Supporting leg assembly, supporting leg telescoping mechanism and carrier

Abstract

The utility model discloses a supporting leg assembly which comprises an indicator which is arranged at an indicating end part and can move between a first position and a second position so as to indicate whether a supporting leg is in contact with a surface or not; the driving part is movably arranged in the contact end part; the traction piece comprises a traction piece first end connected to the indicator and a traction piece second end connected to the contact end part; the retaining sleeve is arranged on the traction piece in a sleeving manner and prevents at least one part of the traction piece from being bent; and when the contact end part is in contact with the surface, the driving piece drives the traction piece to slide relative to the retaining sleeve, and the traction piece further drives the indicator. The utility model further discloses a supporting leg and a carrier.

Description

Technical Field

[0001] The present application relates to a support foot assembly, a support foot telescopic mechanism, an anti-pinch finger rotation mechanism, a support foot with a contact indication mechanism, and a carrier with a support foot. Background Art

[0002] Generally, a child safety seat is provided with a support foot in front of the seat base. One end of the support foot is fixed to the base of the child safety seat, and the other end is supported on the vehicle floor to make the child safety seat more stable during installation. However, if the support foot does not touch the ground, the child safety seat has the risk of tipping over. Therefore, when using the support foot, it is necessary to ensure that the support foot touches the ground.

[0003] Currently, the support legs on the market are retractable and foldable relative to the base, but the support legs cannot indicate to the user whether the support legs are securely placed, which may result in misuse when the support legs are not fully extended and not firmly touching the ground, posing a safety hazard.

[0004] In a support foot, an internal cable is used to transmit the action of the contact end of the support foot contacting the ground to the indicator of the indication end, so that the indicator provides a contact indication. In such a mechanism, as the support foot is retracted or folded, the cable is also wound or folded. One problem is that when the support foot is retracted or folded, due to factors such as the gravity of the cable, the wound portion of the cable may be close to the contact end. In this way, the contact end may directly abut against the wound portion, resulting in abnormal winding of the cable, or even causing the cable to directly abut against the indicator, thereby affecting the normal use of the support foot.

[0005] Therefore, it is necessary to provide a support foot that can assist the normal winding of the cable, and in particular, assist the correct positioning of the winding portion of the cable.

[0006] Child safety seats have become a necessary vehicle for infants or children to travel in various vehicles. At present, there is a child safety seat having a support leg for supporting the ground in the vehicle compartment. The support leg can perform pivoting and telescopic movements. In order to facilitate the opening of the support leg, the child safety seat may be provided with an automatic pop-up structure so that the user can conveniently actuate the support leg to unfold and contact the ground when using it. However, when the support leg is unfolded, due to the automatic pop-up structure, the pivoting and extending force of the support leg may be large, thereby causing noise, which reduces the user experience. At the same time, when the user is displaying or using the child safety seat, if the support leg is improperly pivoted to a specific angle or extended to a specific position, there is a probability of colliding with people around, so there is a certain safety hazard.

[0007] Therefore, there is a need for a child safety seat with a controlled deployment speed of the support legs.

[0008] A child safety seat is a device that is installed on a car seat and restrains the child on it with a seat belt. In the event of emergency braking or a collision, it can effectively prevent the child's body from moving rapidly, avoid secondary collisions, reduce injuries to the child, provide strong protection and restraint for the child, and ensure the child's safety while riding.

[0009] The support legs of some existing child safety seats are not retractable or have a small retractable travel, resulting in a large packaging volume, which reduces the loading quantity of the container and increases the transportation cost. In addition, even if the support legs of some existing child safety seats are retractable, the length of the sliding frame is long, resulting in a high material cost of the sliding frame. Utility Model Content

[0010] A support foot assembly according to the present application is used for a child carrier, comprising: a support foot capable of changing its length and a contact indication mechanism; wherein the support foot has an indication end portion and a contact end portion relative to each other, and the contact indication mechanism comprises: an indicator, which is arranged at the indication end portion and can move between a first position and a second position, so as to indicate whether the support foot contacts a surface; a driving member, which is movably arranged in the contact end portion; a traction member, comprising a first traction member end connected to the indicator, and a second traction member end connected to the contact end portion; a retaining sleeve, which is sleeved on the traction member and prevents at least a portion of the traction member from bending; when the contact end portion contacts the surface, the driving member drives the traction member to slide relative to the retaining sleeve, and the traction member then drives the indicator.

[0011] In one embodiment, the retaining sleeve has a first retaining sleeve end away from the second end of the traction member and a second retaining sleeve end close to the second end of the traction member; the second end of the retaining sleeve is connected to a driving member, and when the contact indication mechanism contacts the surface, the driving member drives the second end of the retaining sleeve away from the contact end, so that the traction member moves toward the contact end relative to the retaining sleeve, thereby driving the indicator.

[0012] In one embodiment, the contact indication mechanism further includes: a traction piece cover, which is sleeved on the outside of the traction piece, and the traction piece cover includes: a first end of the traction piece cover, which is connected to the indication end; and a second end of the traction piece cover, which is connected to the first end of the retaining cover or connected to the driving piece; the traction piece cover can be bent within the contact indication mechanism.

[0013] In one embodiment, the traction piece cover also includes: an extension section extending from the first end of the traction piece cover; a winding section connected to the extension section and wound at an angle; and an adjustment section connected to the winding section and extending in the opposite direction relative to the extension section; when the supporting foot changes length, the lengths of the extension section and the adjustment section change.

[0014] In one embodiment, the diameter D2 of the winding section is smaller than the inner diameter D1 of the supporting foot near the contact end; or, the sum of the diameter D2 of the winding section and the length L2 of the adjustment section is smaller than the length L1 of the retaining sleeve; or, the sum of the diameter D2 of the winding section and the maximum adjustment length range of the supporting foot is smaller than the length L1 of the retaining sleeve.

[0015] In one embodiment, the traction piece cover and the retaining cover are integrally provided, and the flexibility of the traction piece cover is greater than the flexibility of the retaining cover.

[0016] In one embodiment, the driving member can move between an extended position and a retracted position relative to the contact end, wherein when the contact end contacts the surface, the driving member correspondingly moves from the extended position to the retracted position, driving the second end of the retaining sleeve away from the contact end.

[0017] In one embodiment, the retaining sleeve is arranged close to the second end of the pulling member.

[0018] In one embodiment, the driving member is at least partially exposed at the contact end portion, and includes a contact portion extending outward from the contact end portion.

[0019] In one embodiment, a second elastic member is provided between the driving member and the contact end, and the second elastic member biases the driving member toward the extended position.

[0020] In one embodiment, the driving member includes a shoulder extending approximately laterally, and the two contact portions extend vertically from the two lateral ends of the shoulder respectively; the shoulder is provided with a column hole, which can be mounted on a column at the bottom of the contact end, and the second elastic member is mounted on the column, and the second elastic member is arranged between the column and the shoulder to bias the driving member toward the extended position.

[0021] In one embodiment, the driving member further includes a second accommodating portion, which extends vertically inward from the center of the shoulder and is in the form of a groove having a shape corresponding to the second end of the retaining sleeve for fixing the second end of the retaining sleeve.

[0022] In one embodiment, the indicating end portion further comprises a first elastic member abutting against the indicator to bias the indicator toward the first position.

[0023] In one embodiment, the first side of the indicator has a first receiving portion for receiving the first end of the traction member, the second side of the indicator abuts against one end of the first elastic member, and the other end of the first elastic member is fixed to the indicating end, wherein the first side is opposite to the second side.

[0024] In one embodiment, the indicating end is provided with a movable shaft or a slide rail, and the indicator rotates between the first position and the second position via the movable shaft, or slides between the first position and the second position via the slide rail.

[0025] In one embodiment, the indicator includes a first area and a second area. When the contact indication mechanism is not in contact with the surface, the indicator is in the first position, and the first area is exposed in a hollow portion or a transparent window of the contact indication mechanism; when the contact indication mechanism is in contact with the surface, the indicator is in the second position, and the second area is exposed in the hollow portion or the transparent window; the first area and the second area have different visual effects.

[0026] In one embodiment, the traction member is a steel wire.

[0027] A supporting foot according to the present application comprises the above-mentioned contact indication mechanism, and the supporting foot has a variable length.

[0028] In one embodiment, a limiting portion is provided in the contact indication mechanism, and the limiting portion is configured to keep the distance between the limiting portion and the indication end portion approximately unchanged when the supporting foot changes length, and the traction member bypasses the limiting portion.

[0029] In one embodiment, the winding section of the traction member sleeve sleeved outside the traction member bypasses the limiting portion, and when the supporting foot changes length, the distance of the winding section relative to the indicating end portion remains substantially unchanged.

[0030] In one embodiment, the supporting foot also includes: a first tube, close to the indicating end; a second tube, close to the contact end and capable of sliding relative to the first tube to adjust the length of the supporting foot; the limiting portion is arranged inside the first tube and at the end of the first tube away from the indicating end.

[0031] A vehicle according to the present application includes: a base; a seat, which is carried by the base; and support legs according to the present application, which are installed under the base and are used to support the base.

[0032] A carrier according to the present application includes: a base; a supporting leg pivotally connected to the base and capable of pivoting relative to the base; and a first buffer mechanism disposed between the base and the supporting leg and capable of contacting at least one of the base and the supporting leg, wherein the first buffer mechanism is formed to provide resistance to the pivotal movement of the supporting leg relative to the base.

[0033] In one embodiment, the carrier includes a first cover portion and a second cover portion, the first cover portion is arranged on the base, the second cover portion is pivotally connected to the base, and the buffer portion is formed on the second cover portion, wherein when the supporting leg moves from the folded position to the unfolded position, the supporting leg drives the second cover portion to pivot, and the buffer portion abuts against the first cover portion during the pivoting process of the second cover portion.

[0034] In one embodiment, the buffer portion is formed as an elastic convex rib, and at least one of the buffer portion, the first cover portion, and the second cover portion is formed of an elastic material.

[0035] In one embodiment, the second cover portion is formed with deformation grooves on both sides of the buffer portion, and a deformation space is provided between the buffer portion and the supporting legs.

[0036] In one embodiment, the supporting foot includes a cam, and the buffer portion is fixedly connected to the base. When the supporting foot moves from the folded position to the unfolded position, the buffer portion can abut against the cam to hinder the supporting foot from pivoting toward the unfolded position.

[0037] In one embodiment, the buffer portion is formed as a curved structural spring sheet.

[0038] In one embodiment, a protrusion is formed on the buffer portion, and a protrusion is formed on the cam, wherein the protrusion of the cam includes a first protrusion surface and a second protrusion surface, the protrusion of the buffer portion can contact the first protrusion surface to hinder the pivoting of the supporting foot from the folded position to the deployed position, and the protrusion of the buffer portion can contact the second protrusion surface to accelerate the pivoting of the supporting foot from the folded position to the deployed position, and when the supporting foot is in the folded position, the first protrusion surface is closer to the protrusion on the buffer portion than the second protrusion surface.

[0039] In one embodiment, the carrier further comprises an elastic member, wherein the elastic member is connected to the supporting leg and is capable of biasing the supporting leg in a pivoting direction toward the deployed position.

[0040] In one embodiment, the base has a connecting portion pivotally connected to the supporting foot, and a storage space for accommodating the second cover body is formed between the first cover body, the connecting portion and the supporting foot. When the supporting foot is in the expanded position, the supporting foot pushes the second cover body to pivot so that the second cover body is stored in the storage space. The second cover is provided with a step portion, and the end of the supporting foot is provided with a contact strip protruding from the supporting foot. When the supporting foot pivots from the expanded position to the folded position, the contact strip pulls the step portion so that the second cover pivots with the supporting foot to cover the gap between the supporting foot and the connecting portion.

[0041] In one embodiment, the support leg has an intermediate position between the extended position and the folded position, and when the support leg is pivoted from the extended position to the intermediate position, the contact strip does not interfere with the step portion; when the support leg is pivoted from the intermediate position to the folded position, the contact strip interferes with the step portion, so that the second cover portion pivots with the support leg.

[0042] A carrier according to the present application includes a base; a mobile bracket that is slidably connected to the base; a supporting leg that is connected to the mobile bracket; and a second buffer mechanism that is arranged between the base and the mobile bracket and can contact at least one of the base and the mobile bracket; wherein the second buffer mechanism is formed to provide resistance to the sliding of the mobile bracket relative to the base.

[0043] In one embodiment, the carrier further comprises a restoring member, which is connected to the movable bracket and is capable of biasing the movable bracket in a sliding direction away from the base.

[0044] In one embodiment, the mobile bracket is slidable between an extended position and a retracted position, and the second buffer mechanism provides resistance to a portion of a moving distance of the mobile bracket from the retracted position to the extended position.

[0045] In one embodiment, the base includes a fixed bracket, and the second buffer mechanism includes a locking piece, wherein the fixed bracket is fixed in a base shell of the base, the movable bracket is slidably arranged on the fixed bracket, and the locking piece is protrudingly arranged on the movable bracket.

[0046] In one embodiment, the locking member includes a locking seat, a locking pin and a driving member, wherein the locking pin is telescopically arranged inside the locking seat and abuts against the fixed bracket, and the driving member is arranged inside the locking seat to apply a thrust to the locking pin toward the fixed bracket.

[0047] In one embodiment, a groove is formed on the fixed bracket, and when the movable bracket slides relative to the fixed bracket, the locking pin abuts against the groove.

[0048] In one embodiment, a locking hole is formed on the fixing bracket, and the locking hole is spaced apart from the groove. When the supporting foot is in the extended position, the locking pin is located in the locking hole.

[0049] In one embodiment, the second buffer mechanism includes a buffer element, one end of which is fixed to the base housing, and the buffer element can abut against the locking member to provide resistance to a portion of the movement path of the support foot from the retracted position to the extended position.

[0050] In one embodiment, the buffer element is formed as an elastic sheet, and the elastic sheet is formed with a protrusion for abutting against a locking seat.

[0051] In one embodiment, the raised portion includes a first surface and a second surface connected to the first surface, and the angle of the second surface relative to the horizontal direction is greater than the angle of the first surface relative to the horizontal direction; wherein, when the locking member abuts the first surface, the buffer element applies a thrust to the locking member toward the retracted position; when the locking member abuts the second surface, the buffer element applies a thrust to the locking member toward the extended position.

[0052] In one embodiment, the second buffer mechanism comprises a buffer element, one end of which is fixed to the moving bracket, and the other end of which is a free end, the free end partially abutting against the base shell to provide resistance to the movement of the moving bracket from the retracted position to the extended position.

[0053] In one embodiment, when the mobile bracket is located at the extended position, the buffer element does not abut against the base housing.

[0054] In one embodiment, the free end of the cushioning element extends upwardly and in the direction of the extended position.

[0055] In one embodiment, the free end of the buffer element is formed into a curved surface.

[0056] In one embodiment, a blocking recess and a blocking protrusion adjacent to each other are formed on the inner side of the base shell, and during the movement of the movable bracket from the retracted position to the extended position, the free end of the buffer element sequentially abuts against the blocking recess and the blocking protrusion, thereby being subjected to increased resistance.

[0057] In one embodiment, during the movement of the movable bracket from the retracted position to the extended position, after the free end of the buffer element no longer abuts against the blocking protrusion, the free end of the buffer element does not contact the base shell.

[0058] In one embodiment, a receiving portion is formed at the bottom of the base for lockingly receiving the supporting foot.

[0059] In one embodiment, a locking button is provided on the base shell of the base, and the locking button can be actuated to lock the supporting foot in the receiving portion, and in the initial state of the carrier, the locking button does not lock the supporting foot.

[0060] A carrier according to the present application includes: a base, which includes a fixed bracket; a movable bracket, which is slidably connected to the fixed bracket; a supporting leg, which is connected to the movable bracket; a first buffer mechanism, which is arranged between the movable bracket and the supporting leg and can contact at least one of the movable bracket and the supporting leg, a second buffer mechanism, which is arranged between the base and the movable bracket and can contact at least one of the base and the movable bracket; and a return member, which is connected to the movable bracket and can bias the movable bracket in a sliding direction away from the base, wherein the supporting leg can pivot between a folded position and an extended position, the first buffer mechanism includes a buffer portion, and the first buffer portion provides resistance to a portion of the pivoting distance of the supporting leg from the folded position to the extended position; the movable bracket can slide between an extended position and a retracted position, and the second buffer mechanism provides resistance to a portion of the moving distance of the movable bracket from the retracted position to the extended position.

[0061] In one embodiment, the base includes a fixed bracket, and the second buffer mechanism includes a locking piece, wherein the fixed bracket is fixed in a base shell of the base, the movable bracket is slidably arranged on the fixed bracket, and the locking piece is protrudingly arranged on the movable bracket; the second buffer mechanism includes a buffer element, one end of which is fixed to the base shell, and the buffer element can abut against the locking piece to provide resistance to a portion of the movement distance of the supporting foot from the retracted position to the extended position; the buffer element is formed as a spring sheet, and the spring sheet is formed with a protrusion for abutting against the locking piece.

[0062] A support leg retractable mechanism according to the present application is suitable for a carrier, and is characterized by comprising: a support leg; a first sliding frame connected to the body of the carrier; a second sliding frame connected to the support leg; and a connecting member, which is movably connected to the first sliding frame and the second sliding frame, respectively, wherein the first sliding frame and the second sliding frame slide with each other through the connecting member to adjust the spacing length between the support leg and the body. The adjustable spacing length range between the connecting member and the support leg is greater than the length of the first sliding frame or the second sliding frame in the sliding direction.

[0063] In one embodiment, when the first sliding frame and the second sliding frame slide relative to each other, the sliding pin can be located at any position of the overlapping portion of the first sliding frame and the second sliding frame; the adjustable spacing length range between the main body and the supporting foot relative to each other is greater than the length of either the first sliding groove or the second sliding groove in the sliding direction.

[0064] In one embodiment, the connecting member is slidingly connected to the first sliding frame and the second sliding frame respectively; when the supporting leg telescopic mechanism switches from a folded state to an extended state, the sliding direction of the connecting member relative to the first sliding frame is opposite to the sliding direction of the connecting member relative to the second sliding frame.

[0065] In one embodiment, the locking member comprises an elastic element, and the elastic force of the elastic element biases the locking protrusion toward the locking hole.

[0066] In one embodiment, the locking protrusion and the unlocking portion are formed as a single piece.

[0067] In one embodiment, the first end of the body is the release portion, the release portion is formed as a release button, the second end of the body opposite to the first end is formed as the locking protrusion, and the body is pivotally connected to the second sliding frame or the first sliding frame so that when the release portion is pressed, the locking protrusion is released from the engagement with at least one of the first locking hole and the second locking hole.

[0068] In one embodiment, the second sliding frame is sleeved in the first sliding frame and can slide along the first sliding frame.

[0069] An anti-pinch rotation mechanism according to the present application is suitable for a child safety seat, wherein the child safety seat comprises a main body and a supporting leg, wherein the main body comprises a connecting portion pivotally connected to the supporting leg; the supporting leg has an unfolded position away from the main body and a folded position close to the main body; the anti-pinch rotation mechanism is characterized in that it comprises: an anti-pinch cover; pivotally connected to the connecting portion; and a mounting seat, which is fixedly connected to the supporting leg; when the supporting leg is pivoted from an extended state to a folded state, the mounting seat drives the anti-pinch cover to rotate to cover the gap between the supporting leg and the connecting portion.

[0070] In one embodiment, the mounting base is provided with a touch strip, the anti-pinch cover is provided with a step portion, the touch strip protrudes from the supporting foot, and when the supporting foot pivots from the unfolded position to the folded position, the touch strip pulls the step portion of the anti-pinch cover to cause the anti-pinch cover to pivot with the supporting foot.

[0071] In one embodiment, the mounting seat is provided with a limiting hook, and the connecting portion is provided with a locking groove. After the supporting leg is unfolded into place, the limiting hook is engaged with the locking groove to limit the supporting leg in the extended position.

[0072] In one embodiment, the mounting base is movably cooperated with the anti-pinch cover, and there is an intermediate position between the deployed position and the folded position. When the supporting foot is pivoted from the deployed position to the intermediate position, the contact strip does not abut against the step portion; when the supporting foot is pivoted from the intermediate position to the folded position, the contact strip abuts against the step portion.

[0073] In one embodiment, when the support foot is pivoted from the folded position to the unfolded position, the support foot pushes the step portion of the anti-pinch cover to make the anti-pinch cover pivot along with the support foot.

[0074] In one embodiment, a decorative cover is included, which is arranged on the connecting portion and forms a storage space for storing the anti-pinch cover between the connecting portion and the supporting foot. When the supporting foot is in the unfolded position, the anti-pinch cover is stored in the storage space.

[0075] In one embodiment, the anti-pinch cover and the supporting foot are pivotally connected to the same pivot axis; the pivot axis deviates from the extension line of the length direction of the supporting foot; a ground contact indicator is pivotally connected to the mounting seat, and an indicator through hole is provided on the connecting portion, and when the supporting foot is in the unfolded position, the ground contact indicator is aligned with the indicator through hole.

[0076] In one embodiment, the support leg telescopic mechanism comprises: a locking member, which locks the support leg telescopic mechanism in the extended state, and the locking member is provided with a release portion.

[0077] In one embodiment, the locking protrusion and the unlocking portion are formed as a single body, and the single body and the elastic element are mounted to the second sliding frame via the limiting pin.

[0078] In one embodiment, the elastic element is provided with a plurality of latching protrusions, and the top wall of the second sliding frame is provided with a plurality of latching slots, and the latching protrusions cooperate with the latching slots to fix the elastic element to the second sliding frame.

[0079] In one embodiment, the locking member is provided with a release portion, which is located at the lower part of the limit groove, the supporting foot is pivotally connected to the second sliding frame, and the second sliding frame is provided with a storage space, when the supported foot is pivoted toward the direction close to the main body, a part of the supporting foot is stored in the storage space; the one body is installed on the inner wall of the storage space.

[0080] A carrier according to the present application includes a main body and supporting legs, wherein the main body is provided with the supporting leg telescopic mechanism according to the present application, and the pivot point between the supporting legs and the main body is provided with the anti-pinch rotation mechanism according to the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0081] The embodiments of the present application will be described in detail below with reference to the accompanying drawings, in which:

[0082] Figure 1 is a perspective view of a child safety seat according to the present application, wherein the contact portion extends from the support foot;

[0083] Figure 2 is a perspective view of a child safety seat according to the present application, wherein the contact portion is retracted into the support foot;

[0084] Figure 3 is a three-dimensional diagram of a support foot according to the present application;

[0085] Figure 4 is a perspective view of a support foot according to the present application, wherein the decorative cover is removed to show the structure below the decorative cover;

[0086] Figure 5 is an exploded perspective view of a support foot according to the present application;

[0087] Figure 6 is a three-dimensional diagram of a traction member, a traction member sleeve, and a retaining sleeve of a contact indication mechanism according to the present application;

[0088] Figure 7 and Figure 8 are three-dimensional views of the support foot according to the present application at different angles, wherein the decorative cover and the bracket are removed to show the structure of the remaining components;

[0089] Fig. 9A is a longitudinal side sectional view of the upper end of the support foot in a non-ground contact state;

[0090] Fig. 9B is a longitudinal side sectional view of the upper end of the support foot in a state of having touched the ground;

[0091] Fig. 10A is a longitudinal front cross-sectional view of the bottom end of the support foot in a non-ground contact state;

[0092] Fig. 10B is a longitudinal front cross-sectional view of the bottom end of the support foot in a state of having touched the ground;

[0093] Fig.11 is a schematic diagram of a support leg in an extended state according to the first embodiment of the present application;

[0094] Fig.12 Show Fig.11 The traction parts in the

[0095] Fig.13 is a schematic diagram of a support leg in a folded state according to the first embodiment of the present application;

[0096] Fig.14 Show Fig.13 The traction parts in the

[0097] Fig.15 is a schematic diagram of a support leg in an extended state according to the prior art;

[0098] Fig.16 is a schematic diagram of a traction member according to a second embodiment of the present application;

[0099] Fig.17 is a schematic diagram of a support leg in an extended state according to a third embodiment of the present application;

[0100] Fig.18 is a schematic diagram of a support leg in a folded state according to a third embodiment of the present application;

[0101] Fig.19 is a perspective view of the child safety seat of the present application, wherein the support legs are in the deployed position and the extended position;

[0102] Fig. 20 is a partial perspective view of a child safety seat according to an embodiment of the present application, wherein a first cover portion for covering an end portion of a supporting foot is removed to show an internal structure;

[0103] Fig.21 is a three-dimensional view of the child safety seat of the present application, wherein the support legs are in a folded position and a retracted position;

[0104] Fig. 22 is a bottom-up stereoscopic view of the child safety seat of the present application, wherein the support legs are in a folded position and a retracted position;

[0105] Fig.23 is a side perspective view of the child safety seat of the present application, wherein the support legs are in a folded position and a retracted position;

[0106] Fig.24A This is an embodiment of the present application. Fig. 22 A cross-sectional view taken along line AA in FIG.

[0107] Fig. 24B yes Fig.24A A partial enlarged view of

[0108] Fig.25A is with Fig.24A Similar cross-section, but Fig.25A The support legs are in the deployed and extended positions;

[0109] Fig.25B yes Fig.25A A partial enlarged view of

[0110] Fig.26A is with Fig.24A Similar cross-section, but Fig.26A The support legs are in the fully extended and unfurled position;

[0111] Fig.26B yes Fig.26A A partial enlarged view of

[0112] Fig.27A is a perspective view of a child safety seat according to an embodiment of the present application, wherein the support legs are in a deployed and extended position;

[0113] Fig.27B yes Fig.27A A partial enlarged view of

[0114] Fig.28A is a three-dimensional view of the child safety seat of the present application, wherein some parts are removed to show the internal structure;

[0115] Fig.28B yes Fig.28A A partial enlarged view of

[0116] Fig.29A Another embodiment of the present application is along Fig. 22 A cross-sectional view taken along line AA in FIG.

[0117] Fig.29B yes Fig.29A A partial enlarged view of

[0118] Fig. 30A is with Fig.29A Similar cross-section, but Fig. 30A The support legs are in the deployed and extended positions;

[0119] Fig. 30B yes Fig. 30A A partial enlarged view of

[0120] Fig.31A is with Fig.29A Similar cross-section, but Fig.31A The supporting feet are in a further deployed and extended position;

[0121] Fig.31B yes Fig.31A A partial enlarged view of

[0122] Fig.32A is with Fig.29A Similar cross-section, but Fig.31A The support legs are in the fully extended and unfurled position;

[0123] Fig.32B yes Fig.32A A partial enlarged view of

[0124] Fig.33A It is another embodiment of the present application. Fig. 22 A cross-sectional view taken along line BB in FIG.

[0125] Fig.33B yes Fig.33A A partial enlarged view of

[0126] Fig.34A is with Fig.33A Similar cross-section, but Fig.34A The support legs are in the deployed and extended positions;

[0127] Fig.34B yes Fig.34A A partial enlarged view of

[0128] Fig.35A is with Fig.33A Similar cross-section, but Fig.35A The supporting feet are in a further deployed and extended position;

[0129] Fig.35B yes Fig.35A A partial enlarged view of

[0130] Fig.36A is with Fig.33A Similar cross-section, but Fig.36A The support legs are in the fully extended and unfurled position;

[0131] Fig.36B yes Fig.36A A partial enlarged view of

[0132] Fig.37A It is another embodiment of the present application. Fig. 22 A cross-sectional view taken along line BB in FIG.

[0133] Fig.37B yes Fig.37A A partial enlarged view of

[0134] Fig.38A is with Fig.37A Similar cross-section, but Fig.38A The support legs are in the deployed and extended positions;

[0135] Fig.38B yes Fig.38A A partial enlarged view of

[0136] Fig.39A is with Fig.37A Similar cross-section, but Fig.39A The supporting feet are in a further deployed and extended position;

[0137] Fig.39B yes Fig.39A A partial enlarged view of

[0138] Fig.40A is with Fig.37A Similar cross-section, but Fig.40A The support legs are in the fully extended and unfurled position;

[0139] Fig.40B yes Fig.40A A partial enlarged view of .

[0140] Fig.41 is a three-dimensional diagram of a child safety seat according to the utility model, wherein the support legs are in an unfolded and extended state, and the support leg telescopic mechanism is in an extended state;

[0141] Fig.42 is a three-dimensional diagram of a child safety seat according to the utility model, wherein the support legs are in a retracted and folded state, and the support leg telescopic mechanism is in a folded state;

[0142] Fig.43 is a three-dimensional exploded view of the child safety seat;

[0143] Fig.44 It is a three-dimensional diagram of the support leg telescopic mechanism and the support leg according to the utility model, wherein the support leg telescopic mechanism is in an extended state;

[0144] Fig.45It is a three-dimensional diagram of the support leg telescopic mechanism and the support leg according to the utility model, wherein the support leg telescopic mechanism is in a fully retracted state and the support leg has been folded;

[0145] Fig.46A is a three-dimensional diagram of a fixed sliding frame of the child safety seat, Fig.46B is a three-dimensional view of a fixed sliding frame of a child safety seat according to another embodiment;

[0146] Fig.47 is a three-dimensional view of a movable sliding frame of the child safety seat;

[0147] Fig.48 A three-dimensional view of a decorative cover of the child safety seat;

[0148] Fig.49 is a three-dimensional diagram of a locking member of the child safety seat;

[0149] Fig.50 is a three-dimensional diagram of an elastic element of the child safety seat;

[0150] Fig.51 and Fig.52 are three-dimensional images of the mounting base of the child safety seat at different angles;

[0151] FIG. 53A to FIG. 53C Partially enlarged side views of the support leg telescopic mechanism in the extended state, transitional state, and fully retracted state are shown respectively, wherein the decorative cover is removed to clearly show other components;

[0152] FIG. 54A to FIG. 54C Partially enlarged side cross-sectional views of the support leg telescopic mechanism in the extended state, transitional state, and fully retracted state are shown respectively;

[0153] FIG. 55A to FIG. 55C Partially enlarged top views of the support leg telescopic mechanism in the extended state, transitional state, and fully retracted state are shown respectively, wherein the decorative cover is removed to clearly show other components;

[0154] Fig.56 is a partially enlarged top perspective view showing a movable sliding frame and a limit pin;

[0155] Fig.57 is a partially enlarged bottom perspective view showing a locking member and an elastic element;

[0156] Fig.58A and Fig.58B Partially enlarged side cross-sectional views of the locking member in a locked state and a released state are respectively shown;

[0157] Fig.59A , Fig.59B , Fig.59CPartially enlarged side cross-sectional views of the support legs are shown in the deployed position, the intermediate position and the folded position respectively.

[0158] Reference numerals list

[0159] 10 Support feet

[0160] 101 First Pipe Fittings

[0161] 101a Limiting part

[0162] 101b Adjustment device

[0163] 102 Second pipe fitting

[0164] 100 contact indicator

[0165] 110 indicator

[0166] 111 District 1

[0167] 112 District 2

[0168] 113 first accommodation portion

[0169] 114 movable shaft

[0170] 120 mounting parts

[0171] 130 driving parts

[0172] 131 Contact Department

[0173] 132 post hole

[0174] 133 second accommodation portion

[0175] 135 Shoulders

[0176] 140 fixed seat

[0177] 141 columns

[0178] 150 traction parts

[0179] 151 traction member first end

[0180] 152 traction member second end

[0181] 155 traction kit

[0182] 155a traction piece set first end

[0183] 155b traction set second end

[0184] 155c winding section

[0185] 155d adjustment section

[0186] 155e extension

[0187] 156 retaining sleeve

[0188] 156a retaining sleeve first end

[0189] 156b retaining sleeve second end

[0190] 160 Decorative cover

[0191] 166 Hollow part or transparent window

[0192] 170 bracket

[0193] 171 Sliding mechanism

[0194] 181 First Screw

[0195] 182 first elastic member

[0196] 183 second elastic member

[0197] 184 Second Screw

[0198] 200 Vehicles

[0199] 210 base

[0200] 220 seats

[0201] D1 Inner diameter of the second pipe

[0202] D2 Diameter of winding section

[0203] L1 holding sleeve length

[0204] L2 adjusts the length of the segment

[0205] 1S Child Safety Seat

[0206] 10S Base

[0207] 11S First Cover

[0208] 12S Second cover

[0209] 121S Buffer

[0210] 122S Deformation groove

[0211] 123S Deformation Space

[0212] 13S Fixed bracket

[0213] 131S Locking hole

[0214] 132S groove

[0215] 14S Mobile Stand

[0216] 141S Reply

[0217] 15S Locking piece

[0218] 151S Locking Seat

[0219] 152S Locking Pin

[0220] 153S Drive

[0221] 16S Buffer

[0222] 161S convex part

[0223] 17S, 17BS Cam

[0224] 171BS convex part

[0225] 1711BS First raised surface

[0226] 1712BS Second raised surface

[0227] 172S, 172BS Pivot shaft

[0228] 173S Elastic Parts

[0229] 18S base housing

[0230] 181S Accommodation

[0231] 182S Locking Mechanism

[0232] 183S concave part

[0233] 184S Stopping protrusion

[0234] 185S Locking element

[0235] 19S cushioning element

[0236] 191S convex part

[0237] 1911S Side 1

[0238] 1912S Side 2

[0239] 20S Support Feet

[0240] 210S Section 1

[0241] 220S Section 2

[0242] 30S Seat

[0243] 40S Linkage

[0244] 1T carrier

[0245] 100T support feet

[0246] 101T Touchdown Indicator

[0247] 200T support leg telescopic mechanism

[0248] 210T fixed sliding frame

[0249] 211T fixed slide

[0250] 212T limit slot

[0251] 215T first locking hole

[0252] 220T moving slide frame

[0253] 221T moving slide

[0254] 223T snap-in slot

[0255] 224T bayonet

[0256] 225T second locking hole

[0257] 240T locking piece

[0258] 241T release part

[0259] 242T locking cam

[0260] 250T decorative cover

[0261] 251T decorative cover slide

[0262] 252T decorative cover hole

[0263] 253T Window

[0264] 260T auxiliary elastic parts

[0265] 270T pivot shaft

[0266] 291T Sliding Pin

[0267] 292T limit pin

[0268] 293T limit gasket

[0269] 294T elastic element

[0270] 294aT card convex

[0271] 300T body

[0272] 500T anti-pinch finger rotating mechanism

[0273] 510T anti-pinch cover

[0274] 511T step part

[0275] 520T Mount

[0276] 521T contact strip

[0277] 522T limit hook

[0278] D1T folding direction

[0279] D2T indent direction DETAILED DESCRIPTION

[0280] Although the present invention is illustrated and described herein with reference to specific embodiments, the present invention should not be limited to the details shown. Rather, various modifications may be made to the details within the scope of equivalents of the claims and without departing from the present invention.

[0281] The descriptions of directions such as “front”, “rear”, “up” and “down” in this article are only for the convenience of understanding. The present invention is not limited to these directions but can be adjusted according to actual conditions.

[0282] Reference Figure 1 to Figure 2 The vehicle 200 according to the present application is generally described. In the embodiment of the present application, the vehicle 200 is a child safety seat, but it is not limited thereto, and the present application is applicable to any vehicle 200 that requires a support leg 10 .

[0283] As shown in the figure, the carrier 200 includes a base 210 and a seat 220, wherein the base 210 is a part for fixing the carrier 200 to the car seat, and the seat 220 is a part for carrying the occupant (i.e., child). The support foot 10 is installed under the base 210, more specifically, installed at the front side under the base 210, for supporting the base 210 on a surface such as a car floor to prevent the child safety seat from tipping forward when the car bumps.

[0284] In one embodiment, the support leg 10 is provided with a retractable bracket 170 (see Figure 5 ) is connected to the base 210, so that it can move along the longitudinal direction (front-rear direction) equivalent to the base 210, so as to extend from the base 210 or retract under the base 210. It should be understood that the support foot 10 can also be directly connected to the base 210.

[0285] The support foot 10 may be covered with a decorative cover 160 , and a hollow portion or a transparent window 166 may be provided at the front end of the decorative cover 160 so that the user can observe the indicator 110 disposed on the support foot 10 .

[0286] A fixing seat 140 is provided at the bottom end of the support leg 10, and a contact portion 131 that can be telescopically moved is provided in the fixing seat 140. When the support leg 10 is not in contact with a surface such as the ground, the contact portion 131 extends from the fixing seat 140, such as Figure 1 When the support foot 10 contacts a surface such as the ground, the contact portion 131 is pushed against the surface and retracts into the fixing seat 140, and at the same time causes the indicator 110 of the contact indication mechanism 100 to move to provide a contact indication, such as Figure 2 The indicator 110 is used to indicate whether the bottom end of the support foot 10 touches the ground, such as the surface of the car floor. The structure and principle of the contact indication mechanism 100 will be described in detail below.

[0287] The upper end of the support leg 10 (in this embodiment, the upper end of the support leg 10 may be an index end) is connected to the bracket 170. Alternatively, in an embodiment without the bracket 170, the upper end of the support leg 10 is directly connected to the base 210. The bottom end of the support leg 10 (in this embodiment, the bottom end of the support leg 10 may be a contact end) is used to contact the ground.

[0288] Reference Figure 3 to Figure 4 The support leg 10 according to the present application is described as a whole. The bracket 170 for connecting the support leg 10 to the base 210 includes a sliding mechanism 171. The sliding mechanism 171 is a scissor-type link and / or a slide rail, and a spring may be provided on the sliding mechanism 171 to bias the support leg 10 toward the bottom of the base 210.

[0289] Reference Figure 3 It can be clearly seen that the indicator 110 of the contact indication mechanism 100 is exposed to the user's sight through the hollow portion or transparent window 166 on the decorative cover 160 for easy observation by the user.

[0290] Reference Figure 5 The specific structures of the support foot 10 and the contact indication mechanism 100 according to the present application are described.

[0291] The support foot 10 includes a first pipe 101, a second pipe 102, and a contact indication mechanism 100. The contact indication mechanism 100 includes an indicator 110, a driving member 130, a traction member 150, a traction member sleeve 155, a retaining sleeve 156, a fixing seat 140, a first elastic member 182, and a first screw 181 ( Fig. 9A , Fig. 9B ), the second elastic member 183, and the second screw 184.

[0292] The first pipe 101 has an indicating end, and the second pipe 102 has a contact end. The first pipe 101 is connected to the second pipe 102 through an adjustment device 101b (such as a snap-fit ​​member or a latch, which is not limited in this application) to allow the overall length of the support leg 10 to be adjusted. In one embodiment, the first pipe 101 is sleeved on the outside of the second pipe 102.

[0293] The driving member 130 is at least partially disposed in the contact end of the supporting foot 10, that is, disposed at the bottom end of the second pipe member 102. The driving member 130 includes a contact portion 131 extending vertically toward the outside of the contact end. The driving member 130 can be relative to the contact end in an extended position (see Figure 1 ) and the contact portion 131 is retracted to the retracted position in the contact end portion (see Figure 2 )

[0294] More specifically, the driving member 130 may include a shoulder 135 and a column hole 132. The shoulder 135 is located inside the contact end of the support foot 10 and extends approximately laterally, and the two contact portions 131 extend outwardly from the contact end along the vertical direction from the lateral ends of the shoulder 135. The column hole 132 is provided on the shoulder 135, and can be slidably mounted on a column 141 extending inwardly from the bottom of the contact end.

[0295] In one embodiment, a second elastic member 183 is disposed between the driving member 130 and the contact end, and the second elastic member 183 biases the driving member 130 toward the extended position. The second elastic member 183 may be a coil spring, and the second elastic member 183 is sleeved on the column 141, one end of the second elastic member 183 abuts against the inner side of the second screw 184, and the other end abuts against the shoulder 135 to bias the driving member 130 toward the extended position. It should be understood that the arrangement of the second elastic member 183 is not limited to this, as long as the driving member 130 is biased toward the extended position.

[0296] The driving member 130 further includes a retaining sleeve mounting portion (i.e., a second receiving portion 133), which extends vertically inward from the center of the shoulder 135, is in the form of a groove and has a shape corresponding to the second end 156b of the retaining sleeve, and is used to fix the second end 156b of the retaining sleeve. It should be understood that the form of the second receiving portion 133 is not limited thereto, but can be changed accordingly according to the form of the second end 156b of the retaining sleeve.

[0297] The fixing seat 140 is a substantially flat member extending in the transverse and longitudinal directions. In an embodiment in which the fixing seat 140 is provided as a separate member, the bottom end (contact end) of the support leg 10 may be an open end, and the fixing seat 140 is used to close the open end. The column 141 is provided on the inner side of the fixing seat 140. A through hole is provided on the fixing seat 140 so that the contact portion 131 of the driving member 130 extends out of the support leg 10 through the fixing seat 140. As described above, the fixing seat 140 may be integrated into the second pipe member 102 as an integral member.

[0298] The traction member 150 extends substantially vertically between the indicating end and the contact end of the support leg 10 , and can be rolled up as the support leg 10 is extended or retracted, which will be described in detail later.

[0299] The traction piece cover 155 is sleeved on the outer side of the upper part of the traction piece 150 (i.e., sleeved on the outer side of the part of the traction piece 150 close to the indicating end) and the outer side of the lower part of the traction piece 150 (i.e., sleeved on the outer side of the part of the traction piece 150 close to the contact end). In this embodiment, the traction piece cover 115 is sleeved on the outer side of the upper part and the lower part of the traction piece 150 as a whole. It should be understood that in other embodiments, the traction piece cover 115 can also be divided into multiple sections, i.e., including a section sleeved on the upper part of the traction piece 150 and a section on the outer side of the lower part. The traction piece cover 155 includes a traction piece cover first end 155a connected to the indicating end and a traction piece cover second end 155b connected to the driving member 130. The traction piece cover 155 can be made of materials such as rubber or plastic, which has a certain flexibility and can be bent and wound, but its length does not change substantially. Alternatively, in other embodiments, the traction member 155 may also be connected to the retaining sleeve 156 in sequence, that is, the traction member sleeve second end 155 b is connected to the retaining sleeve first end 156 a (not shown) instead of being connected to the driving member 130 .

[0300] The retaining sleeve 156 is sleeved on the outer side of the lower part of the traction member 150, that is, on the outer side of the part close to the contact end of the traction member 150. The retaining sleeve 156 includes a retaining sleeve first end 156a located near the middle of the traction member 150 and a retaining sleeve second end 156b connected to the driving member 130. The retaining sleeve 156 can be made of hard leather or metal material, which is basically inflexible and the length does not change basically.

[0301] The retaining sleeve 156 is sleeved on the outer side of the part near the contact end of the traction member sleeve 155, and the retaining sleeve second end 156b can be sleeved on the outside of the traction member sleeve second end 155b. Alternatively, the traction member sleeve 155 and the retaining sleeve 156 are an integrated structure, which will be described in detail in the second embodiment below.

[0302] In one embodiment, the first end 155a of the traction piece cover and the second end 156b of the retaining sleeve are both in the form of hammers with enlarged diameters at both ends so as to be connected to the indicating end and the driving member 130. It should be understood that the first end 155a of the traction piece cover and the second end 156b of the retaining sleeve can also be in other forms, such as external threads, elastic snap-fitting parts, or directly welded to the indicating end and the driving member 130.

[0303] The traction member 150 includes a traction member first end 151 extending from the traction member cover first end 155a and a traction member second end 152 extending from the retaining cover second end 156b. The traction member first end 151 is connected to the indicator 110 and can drive the indicator 110 to rotate around the movable shaft 114 (refer to Fig. 9A and Fig. 9BThe second end 152 of the traction member is connected to the contact end, more specifically, the second end 152 of the traction member is connected to the fixing seat 140. The traction member 150 is made of, for example, steel wire, nylon wire or carbon fiber, which has a certain flexibility and can be bent, but its length does not change substantially.

[0304] In one embodiment, the first end 151 and the second end 152 of the traction member are both in the form of hammer heads with enlarged diameters at both ends. It should be understood that the first end 151 and the second end 152 of the traction member can also be in other forms, such as external threads, knotted, or directly welded to the indicating end and the contact end.

[0305] Reference Figure 6 The specific structures of the traction member 150, the traction member cover 155, and the retaining cover 156 can be seen more clearly.

[0306] Reference Figures 7 and 8 The mounting member 120 and the indicator 110 of the contact indication mechanism 100 according to the present application will be described in detail.

[0307] A mounting member 120 is provided at the top of the support leg 10. The mounting member 120 is, for example, two sheet-shaped parts arranged transversely, and the movable shaft 114 is transversely arranged on the mounting member 120. The indicator 110 is provided at the indicating end of the support leg 10 through the movable shaft 114, and can rotate around the movable shaft 114 between a first position and a second position (the first position and the second position will be described in detail later).

[0308] Reference FIG. 9A to FIG. 9B The specific structure of the indicated end portion of the supporting foot 10 of the present application is described.

[0309] The first area 111 and the second area 112 are arranged on the cylindrical outer periphery of the indicator 110 along the circumferential direction. When the support leg 10 is in its non-contacting position, the indicator 110 is in the first position, and the first area 111 is exposed from the hollow part or the transparent window 166; when the support leg 10 is in its contacting position, the indicator 110 is in the second position, and the second area 112 is exposed from the hollow part or the transparent window 166. For example, the first area 111 may be red, and the second area 112 may be green, or the second area 111 and the second area 112 may be drawn with different marks (such as dots, oblique lines or other patterns), as long as they can be used to indicate whether the support leg 10 is touching the ground, the embodiment of the present application does not limit the expression of the first area 111 and the second area 112. The shapes of the first area 111 and the second area 112 may correspond to the shapes of the hollow part or the transparent window 166.

[0310] The first side of the indicator 110 has a first receiving portion 113 for connecting the traction member 150. The first end 151 of the traction member is connected to the first receiving portion 113. The second side of the indicator 110 is connected to one end of the first elastic member 182, for example, by connecting one end of the first elastic member 182 to the second side of the indicator 110 through a first screw 181. The other end of the first elastic member 182 abuts against the indicating end. In one embodiment, the first side of the indicator 110 is opposite to the second side.

[0311] exist Fig. 9A and Fig. 10A In the illustrated case, the indicator 110 is in its first position and the drive member 130 is in its extended position. The first area 111 of the indicator 110 faces upward (i.e., where the hollow portion or transparent window 166 on the decorative cover 160 is located) to show that the support foot 10 is not touching the ground. Due to the biasing effect of the first elastic member 182 and the second elastic member 183, the indicator 110 and the drive member 130 tend to remain in the position without the influence of external forces. Fig. 9A and Fig. 10A Position shown.

[0312] In other embodiments, the indicator 110 can be configured to move linearly rather than rotate. For example, the indicator 110 is disposed in the indicating end portion via a slide rail and is capable of sliding between a second position and a first position. In the absence of an external force, the indicator 110 is biased toward the first position. When the contact end portion contacts the surface, the traction member 150 (specifically, the first end 151 of the traction member) drives the indicator 110 to overcome the biasing force and move to the second position. The slide rail can be disposed horizontally, and the vertical movement of the traction member 150 is converted into a horizontal movement by a pulley at the indicating end portion. The slide rail can also be disposed vertically, and the hollow portion or transparent window 166 is opened on the vertical surface of the decorative cover 160.

[0313] Reference FIG. 10A to FIG. 10B The specific structure of the contact end of the supporting foot 10 of the present application is described.

[0314] The driving member 130 can move vertically relative to the fixing seat 140. The traction member second end 152 of the traction member 150 is connected to the contact end (specifically connected to the fixing seat 140), and the retaining sleeve second end 156b of the retaining sleeve 156 is connected to the driving member 130 (specifically connected to the second accommodating portion 133). Therefore, the retaining sleeve second end 156b moves with the driving member 130, while the traction member second end 152 does not move with the driving member 130.

[0315] When the contact end portion is not in contact with the ground, the driving member 130 is biased by the second elastic member 183, so that the contact portion 131 of the driving member extends out of the supporting foot 10 through the fixing seat 140 (see FIG. Fig. 10AWhen the contact end contacts the ground, the contact portion 131 of the driving member 130 is first subjected to the pressure of the ground, thereby overcoming the bias of the second elastic member 183 and moving to its retracted position (see Fig. 10B ). Therefore, the driving member 130 drives the second end 156b of the retaining sleeve to move away from the contact end (i.e., move upward). At the same time, since the second end 152 of the traction member is connected to the contact end, the second end 152 of the traction member will not move away from the contact end, i.e., will not move upward. In this way, the second end 152 of the traction member extends out of the second end 156b of the retaining sleeve by a certain length.

[0316] Also refer to 9A to 10B The operation of the supporting foot 10 according to the present application is described.

[0317] exist Fig. 9A and Fig. 10A In the state shown, the contact end does not contact the ground. The contact portion 131 of the drive member 130 extends from the fixing seat 140. The indicator 110 is not pulled by the pulling member 150 and is therefore in its first position.

[0318] exist Fig. 9B and Fig. 10B In the state shown, the contact portion 131 of the driving member 130 has contacted the ground. The retaining sleeve 156 moves upward with the driving member 130, so the second end 152 of the traction member extends out from the second end 156b of the retaining sleeve. As mentioned above, the lengths of the traction member 150, the traction member sleeve 155, and the retaining sleeve 156 are basically unchanged, that is, the length of the portion of the traction member 150 in the traction member sleeve 155 and the retaining sleeve 156 is basically unchanged. In this way, when the second end 152 of the traction member extends out of the second end 156b of the retaining sleeve by a certain length, the first end 151 of the traction member will be retracted into the first end 155a of the traction member sleeve by a corresponding length. Since the first end 155a of the traction member sleeve is fixed to the indicating end of the supporting foot 10, this makes the traction member 150 slide toward the contact end relative to the traction member sleeve 155, that is, move downward, thereby driving the indicator 110 to rotate from its first position to the second position. Therefore, the traction member 150 can transmit the movement of the driving member 130 to the indicator 110.

[0319] It should be understood that the working principle of the traction member 150, the traction member cover 155, and the retaining cover 156 is mainly related to their respective lengths, and has nothing to do with their respective bending or winding degrees. Even if the length of the support leg 10 changes, and the traction member 150 and the traction member cover 155 are bent or wound accordingly, since the lengths of the traction member 150, the traction member cover 155, and the retaining cover 156 are basically unchanged, the traction member 150 can still transmit the movement of the driving member 130 to the indicator 110.

[0320] Reference Figures 11 to 14The operation of the traction member cover 155 and the retaining cover 156 according to the first embodiment of the present application will be described. It should be understood that for ease of understanding, Figure 5 , Figure 6 The curling or winding of the traction member 150, the traction member cover 155, and the retaining cover 156 are not shown in the figure, but the traction member 150, the traction member cover 155, and the retaining cover 156 can be Figure 5 , Figure 6 The embodiment shown is in a rolled or coiled configuration.

[0321] As shown above, the traction piece cover 155 is made of a flexible material that can be bent or wound. In order to adapt to the change in the length of the support leg 10, the traction piece cover 155 is wound into a ring shape inside the support leg 10. For the convenience of description, the portion of the traction piece cover 155 extending downward from the first end 155a of the traction piece cover is called an extension section 155e. The portion wound from the lower end of the extension section 155e to the ring extending upward is called a winding section 155c. The winding section 155c shown in the figure is wound half a circle, but it can also be wound for example 1.5 circles, 2.5 circles, etc. The portion extending upward from the winding section 155c to the second end 155b of the traction piece cover is called an adjustment section 155d (wherein, the connecting section between the second end 155b of the traction piece cover and the adjustment section 155d is wound from the upper end of the adjustment section 155d approximately half a circle, and then extends downward to the second end 155b of the traction piece cover). It should be understood that the extension section 155e, the winding section 155c, and the adjustment section 155d are just names for different parts of the traction piece set 155. As the length of the support leg 10 changes, the lengths of the extension section 155e, the winding section 155c, and the adjustment section 155d will also change accordingly, especially the lengths of the extension section 155e and the adjustment section 155d will change, so that the longitudinal dimension of the traction piece set 155 in the support leg 10 changes. Specifically, when the length of the support leg 10 decreases, the length of the extension section 155e decreases, and the length of the adjustment section 155d increases. When the length of the support leg 10 increases, the length of the extension section 155e increases, and the length of the adjustment section 155d decreases.

[0322] As mentioned above, the retaining sleeve 156 will not bend or coil. Therefore, when the length of the supporting leg 10 changes, the retaining sleeve 156 basically maintains vertical extension, and the traction member sleeve 155 is coiled to varying degrees to adapt to the change in the length of the supporting leg 10. In this way, it is possible to prevent the winding section 155c or the winding section 155c and the adjustment section 155d from contacting the contact end, for example, to prevent the winding section 155c from contacting the fixing seat 140. More specifically, in this embodiment, the retaining sleeve 156 is sleeved on at least a portion of the outer side of the downwardly extending connecting section of the traction member sleeve second end 155b and the adjustment section 155d.

[0323] More specifically, the diameter D2 of the winding section 155c may be smaller than the inner diameter of the support leg 10 near the contact end, for example, smaller than the inner diameter D1 of the second pipe 102. In this way, the winding section 155c will not substantially contact the inner wall of the second pipe 102, reducing the resistance therebetween.

[0324] The sum of the diameter D2 of the winding section 155c and the length L2 of the adjustment section 155d (i.e., the maximum length of the adjustment section 155d when the support leg 10 is fully retracted) may be smaller than the length L1 of the retaining sleeve 156. In this way, even when the support leg 10 is fully retracted, the adjustment section 155d hanging from the top end of the retaining sleeve 156 and the winding section 155c hanging from the bottom end of the adjustment section 155d will not contact the fixing seat 140.

[0325] In another embodiment, the sum of the diameter D2 of the winding section 155c and the maximum adjustable length range of the support leg 10 may be less than the length L1 of the retaining sleeve 156. The maximum adjustable length range of the support leg 10 may be Fig.11 The total length L of the support foot 10 in the extended state is shown. Fig.13 Thus, even when the support leg 10 is fully retracted, the adjustment section 155d hanging from the top of the retaining sleeve 156 and the winding section 155c hanging from the bottom of the adjustment section 155d will not contact the fixing seat 140.

[0326] Reference Fig.15 The following describes a case in which the retaining sleeve 156 is not provided in the prior art.

[0327] In the absence of the retaining sleeve 156, the two ends of the traction sleeve 155 are respectively connected to the indicating end and the contact end of the support foot 10. Since all parts of the traction sleeve 155 can be wound, the winding section 155c of the traction sleeve 155 may move to the vicinity of the contact end under the action of gravity or external force, such as Fig.13 As shown. In this way, the winding section 155c may directly contact the fixing seat 140. When the supporting foot 10 is retracted, the fixing seat 140 directly abuts against the winding section 155c, so that the winding section 155c cannot be normally wound, and even the winding section 155c directly abuts against the indicator 110 (not shown) at the indicating end, resulting in abnormal operation of the indicator 110.

[0328] In contrast, the present application overcomes the above-mentioned problem by providing a retaining sleeve 156 .

[0329] Reference Fig.16 A traction member cover 155 and a retaining cover 156 according to a second embodiment of the present application will be described.

[0330] In the second embodiment, the traction member cover 155 and the retaining cover 156 are integrally provided, and the flexibility of the traction member cover 155 is greater than the flexibility of the retaining cover 156. In other words, the traction member cover 155 and the retaining cover 156 are an integral structure, that is, the traction member cover 155 and the retaining cover 156 are connected end to end and are sleeved on the outside of the traction member 150. In this case, the traction member cover 155 and the retaining cover 156 are two parts of one component with different hardness.

[0331] Reference Fig.17 and Fig.18 A supporting foot 10 according to a third embodiment of the present application is described.

[0332] In the third embodiment, a limiting portion 101a is provided in the support foot 10. The limiting portion 101a is, for example, a column or a groove provided inside the limiting device 101b.

[0333] The winding section 155c bypasses the limiting portion 101a, and the limiting portion 101a is configured to keep the distance of the winding section 155c relative to the indicating end substantially unchanged when the length of the supporting foot 10 changes. More specifically, since the winding section 155c is wound on the limiting portion 101a, when the first pipe 101 moves relative to the second pipe 102, the winding section 155c moves with the first pipe 101 relative to the second pipe 102. In this way, the winding section 155c is prevented from falling near the contact end. In another embodiment in which the winding section 155c is only wound half a circle, the winding section 155c and the half-circle loop of the second end 155b of the traction piece sleeve connected with the adjustment section 155d bypass the limiting portion 101a together.

[0334] In summary, the present application provides a contact indication mechanism, which can intuitively display whether one end of the support leg is in contact with the ground at the other end of the support leg. Moreover, the contact indication mechanism of the present application allows the length of the support leg to change, and can also achieve its contact indication function. The contact indication mechanism according to the present application can assist in the correct positioning of the winding section of the traction piece cover, and prevent the winding section from directly contacting the contact end.

[0335] It should be understood that although the supporting feet are shown in the embodiments, the supporting feet of the present application can be applied to various components of various shapes.

[0336] The present application provides a carrier. The carrier may be a child safety seat. The carrier may be installed on a seat of a vehicle (including various vehicles with seats) for an infant or child to ride on and ensure the safety of the infant or child. The carrier has a support leg, which can pivot between an extended position and a folded position relative to the carrier, and can slide between an extended position and a retracted position relative to the carrier in a front-to-rear direction.

[0337] Fig.19is a three-dimensional view of the vehicle of the present application, wherein the support legs are in the deployed position and the extended position, Fig. 20 is a partial three-dimensional view of a carrier according to an embodiment of the present application, wherein a first cover portion for covering the end of a supporting foot is removed to show the internal structure, Fig.21 is a three-dimensional view of the carrier of the present application, wherein the support legs are in the folded position and the retracted position, Fig. 22 is a bottom-up stereoscopic view of the vehicle of the present application, wherein the support legs are in the folded and retracted positions, Fig.23 is a side perspective view of the carrier of the present application, wherein the support legs are in a folded position and a retracted position.

[0338] See also Fig.19 , Fig.21 and Fig.23 , the carrier 1S may include a base 10S, support legs 20S and a seat portion 30S. The seat portion 30S may be disposed above the base 10S. The seat portion 30S may be rotated relative to the base 10S so that the seat portion 30S has a position facing different directions. Alternatively, the seat portion 30S may be fixed relative to the base 10S. The seat portion 30S and the base 10S may be integral, or may be formed separately from each other and connected together. When the carrier 1S is mounted on a seat of a vehicle, the support legs 20S may be disposed at the front of the base 10S ( Fig.23 The base 10S may include a base shell 18S. The base shell 18S may have an internal space to accommodate multiple components. An opening may be formed at the front of the base shell 18S. The base 10S may include a first cover portion 11S. The first cover portion 11S may be disposed at the opening so as to cover the opening to avoid exposing the interior of the base shell 18S. The first cover portion 11S is configured to be telescopic relative to the base 10S. Specifically, the first cover portion 11S can be telescopically telescopic by a certain distance in the front-to-rear direction (this will be described in detail below). The supporting foot 20S may include a first section 210S and a second section 220S that can be telescopically telescopic. That is, since the supporting foot 20S includes the first section 210S and the second section 220S, the supporting foot 20S can be extended and shortened.

[0339] See also Fig.19 and Fig.23 , the support leg 20S can be in the folded position ( Fig.23 ) and the expanded position ( Fig.19 ) between the two.

[0340] See also Fig. 22, a receiving portion 181S may be formed at the bottom of the base shell 18S. The receiving portion 181S may be a groove. The shape of the receiving portion 181S may correspond to the shape of the supporting foot 20S after being shortened, so that the shortened supporting foot 20S can be accommodated therein. A locking button 185S may be provided on the base shell 18S. The locking button 185S may be actuated, thereby driving the locking mechanism 182S to partially lock the supporting foot 20S in the receiving portion 181S. The locking button 185S may be maintained in a locked state and a released state, respectively. When the carrier 1S is packaged and waiting to be sold, the locking button 185S is in a released state, that is, the supporting foot 20S is not locked. After the user opens the package of the carrier 1S, the supporting foot 20S will automatically unfold, thereby reminding the user not to forget to use the supporting foot 20S. This avoids the user forgetting to set the supporting foot 20S, prevents the user from misusing the carrier 1S, and ensures the safety and correctness of using the carrier 1S.

[0341] See also Fig. 20 , the base 10S may include a second cover 12S. The second cover 12S is pivotably disposed on the base 10S, and the support foot 20S is pivotably disposed on the base 10S (this will be described in detail below). The second cover 12S and the support foot 20S are linked to each other so as to pivot synchronously. In other words, the support foot 20S and the second cover 12S can pivot together relative to the first cover 11S. The second cover 12S can block the gap between the support foot 20S and the first cover 11S, thereby preventing the interior of the base shell 18S from being exposed when the support foot 20S pivots. The second cover 12S may include a buffer 121S. The buffer 121S may abut against the first cover 11S during the pivoting of the second cover 12S. The buffer 121S may be made of an elastic material. The buffer 121S may be an elastic rib. The elastic material may be rubber or resin, but the present application is not limited thereto. The buffer portion 121S may protrude from the front surface of the second cover portion 12S. The second cover portion 12S may have a plurality of buffer portions 121S. Fig. 20 3 buffer portions 121S are shown in FIG. 1 , but the present application is not limited thereto. Alternatively, the second cover portion 12S may have one, two or four buffer portions 121S.

[0342] The buffer portion 121S may be formed on the support leg 20S, and when the support leg 20S moves from the folded position to the unfolded position, the buffer portion 121S abuts against the base 10S, so that the buffer portion 121S is elastically deformed to hinder the pivoting of the support leg 20S. Optionally, the buffer portion 121S may be formed on the base 10S, and when the support leg 20S moves from the folded position to the unfolded position, the buffer portion 121S abuts against the support leg 20S, so that the buffer portion 121S is elastically deformed to hinder the pivoting of the support leg 20S.

[0343] The second cover 12S may have deformation grooves 122S formed on both sides of the buffer 121S, respectively. The deformation grooves 122S may make it easier for the second cover 12S to deform when the buffer 121S abuts against the base 10S or the support leg 20S.

[0344] Optionally, at least one of the buffer portion 121S, the first cover portion 11S, and the second cover portion 12S may be formed of an elastic material.

[0345] Fig.24A This is an embodiment of the present application. Fig. 22 The cross-sectional view taken along line AA in Fig. 24B yes Fig.24A A partial enlarged view of Fig.25A is with Fig.24A Similar cross-section, but Fig.25A The support legs are in the deployed and extended position. Fig.25B yes Fig.25A A partial enlarged view of Fig.26A is with Fig.24A Similar cross-section, but Fig.26A The support legs are in the fully extended and unfolded position. Fig.26B yes Fig.26A A partial enlarged view of Fig.27A is a three-dimensional view of a vehicle according to an embodiment of the present application, wherein the support legs are in the unfolded and extended positions, Fig.27B yes Fig.27A A partial enlarged view of Fig.28A is a three-dimensional diagram of the carrier of the present application, in which some parts are removed to show the internal structure, Fig.28B yes Fig.28A A partial enlarged view of .

[0346] See also Fig.28A and Fig.28B, the base 10S may include a fixed bracket 13S and a movable bracket 14S. The fixed bracket 13S may be fixed inside the base shell 18S. The movable bracket 14S may be sleeved on the fixed bracket 13S and may slide relative to the fixed bracket 13S in the front-rear direction. Both the fixed bracket 13S and the movable bracket 14S may be formed into a symmetrical frame structure, but the present application is not limited thereto. A return member 141S may be provided between the movable bracket 14S and the base shell 18S. Specifically, two return members 141S may be symmetrically provided between the movable bracket 14S and the base shell 18S, but the present application does not limit the number of return members 141S. The return member 141S may apply a constant pulling force to the movable bracket 14S toward the front of the carrier 1S. Alternatively, the return member 141S may be provided between the fixed bracket 13S and the movable bracket 14S. The return member 141S may be a tension spring, but the present application is not limited thereto. The first cover 11S may be disposed at the front of the mobile bracket 14S, so as to perform telescopic movement along the front-to-back direction together with the mobile bracket 14S. The support leg 20S and the second cover 12S may be pivotally connected to the front of the mobile bracket 14S (see FIG. 24A to FIG. 28B ). That is, when the mobile bracket 14S moves in the front-to-back direction, the support leg 20S, the first cover portion 11S and the second cover portion 12S all move in the front-to-back direction together with the mobile bracket 14S. The carrier 1S may include a conversion structure 40S. The conversion structure 40S may be connected to the support leg 20S, the fixed bracket 13S and the mobile bracket 14S, respectively, so that the movement of the mobile bracket 14S relative to the fixed bracket 13S and the pivoting of the support leg 20S are performed simultaneously. The conversion structure 40S may be formed as a structure that can be extended and shortened, such as a retractable structure in which a plurality of rods are pivotally connected to each other to form a plurality of "X" shaped units. One end of the conversion structure 40S may be connected to the fixed bracket, the other end of the conversion structure 40S may be connected to the mobile bracket 14S, and a portion between one end and the other end of the conversion structure 40S may be connected to the support leg 20S. The conversion structure 40S may be connected to the support leg 20S via, for example, a flexible rope or line (not shown). The present application does not limit the specific structure of the conversion structure 40S, and the conversion structure 40S only needs to have such a function: to synchronize the deployment of the support legs 20S with the forward movement of the mobile bracket 14S. Since the conversion structure 40S is not the focus of the present application, the conversion structure 40S will not be described in detail. The mobile bracket 14S may also be provided with a locking member 15S (which will be described in detail below). The locking member 15S may be protrudingly arranged on the mobile bracket 14S.

[0347] See also FIG. 24A to FIG. 27B, the supporting foot 20S may have a cam 17S. The cam 17S may pivot around a pivot shaft 172S. The supporting foot 20S, the fixed bracket 13S and the movable bracket 14S also pivot around the pivot shaft 172S. An elastic member 173S may be provided on the pivot shaft 172S. The elastic member 173S may act on the movable bracket 14S and the supporting foot 20S respectively, so that the supporting foot 20S tends to pivot toward the deployed position. The elastic member 173S may be a torsion spring. When the supporting foot 20S is locked in the accommodating portion 181S, actuating the locking button 185S may release the supporting foot 20S. Due to the action of the return member 141S, the supporting foot 20S pivots counterclockwise, and at this time the buffer portion 121S contacts the lower edge of the first cover portion 11S. Due to the obstruction of the first cover portion 11S, the buffer portion 121S will be deformed, thereby providing resistance to the pivoting of the supporting foot 20S from the folded position to the deployed position. See FIG. Fig. 24B , a deformation space 123S may be formed inside the second cover 12S. The deformation space 123S may be formed as a cavity to allow deformation of the buffer 121S. When the support foot 20S further pivots, the buffer 121S abuts against the inner side of the first cover 11S and rubs against each other, thereby generating resistance. Such resistance will continue until the support foot 20S is fully extended ( Fig.27A and Fig.27B ). The magnitude of the resistance can be adjusted by adjusting the protrusion distance or number of the buffer portion 121S. For example, the resistance can be adjusted to slowly unfold the support leg 20S, but will not stop the pivoting of the support leg 20S. In other words, the buffer portion 121S can provide a buffer for the pivoting of the support leg 20S.

[0348] On the supporting foot 20S from Fig.24A and FIG. 24B to FIG. 25A and Fig.25B During the process of the support leg 20S being deployed, the buffer portion 121S does not abut against the first cover portion 11S. In this way, the support leg 20S can accelerate from rest to a certain speed without hindrance. In other words, the buffer portion 121S is only used to prevent the support leg 20S from pivoting too quickly, rather than hindering the pivoting of the support leg 20S from beginning to end. Such a structure can shorten the time required for the support leg 20S to be deployed.

[0349] Alternatively, the base 10S may not include the movable bracket 14S. In this case, the support leg 20S, the first cover 11S and the second cover 12S may be disposed on the fixed bracket 13S. That is, the support leg 20S can only pivot relative to the fixed bracket 13S, but cannot slide in the front-rear direction.

[0350] Alternatively, the supporting foot 20S may be fixedly provided on the moving bracket 14S so that the supporting foot 20S can only slide in the front-rear direction but cannot pivot.

[0351] Fig.29A Another embodiment of the present application is along Fig. 22 A cross-sectional view taken along line AA in FIG. Fig.29B yes Fig.29A A partial enlarged view of Fig. 30A is with Fig.29A Similar cross-section, but Fig. 30A The support legs are in the deployed and extended positions; Fig. 30B yes Fig. 30A A partial enlarged view of Fig.31A is with Fig.29A Similar cross-section, but Fig.31A The supporting feet are in a further deployed and extended position; Fig.31B yes Fig.31A A partial enlarged view of Fig.32A is with Fig.29A Similar cross-section, but Fig.31A The support legs are in the fully extended and unfurled position; Fig.32B yes Fig.32A A partial enlarged view of .

[0352] The parts of this embodiment that are the same as those of the previous embodiment will not be described in detail.

[0353] See also FIG. 29A to FIG. 32B , a protrusion 171BS may be formed on the cam 17BS. The two sides of the protrusion 171BS are respectively a first protrusion surface 1711BS and a second protrusion surface 1712BS. The carrier 1S may include a buffer 16S. The buffer 16S may be fixed to the inner wall of the base 10S and located above the cam 17BS. Specifically, the rear end ( Fig.29B ) may be fixed to the inner wall of the base 10S. Alternatively, the front end of the buffer portion 16S may be fixed to the inner wall of the base 10S. A protrusion 161S may be formed on the buffer portion 16S. The protrusion 161S generally protrudes downward to face the cam 17BS. When the supporting foot 20S pivots in the counterclockwise direction, the protrusion 171BS contacts the protrusion 161S to provide resistance. That is, the buffer portion 16S provides resistance to the pivoting of the supporting foot 20S via the cam 17BS. The resistance can be adjusted to slowly unfold the supporting foot 20S, but will not stop the pivoting of the supporting foot 20S. Specifically, when the supporting foot 20S is unfolded, the first raised surface 1711BS contacts the protrusion 161S (such as Fig. 30B When the support foot 20S is further expanded, the second raised surface 1712BS contacts the raised portion 161S (as shown in FIG. Fig.31B As shown), the protrusion 161S promotes the deployment movement of the supporting foot 20S.

[0354] The buffer portion 16S may be a sheet with elasticity, such as a metal sheet, a plastic sheet, etc. The protrusion 161S may be formed by bending the buffer portion 16S, but the present application is not limited thereto. The buffer portion 16S may be formed into a curved structure and be elastic. FIG. 29A to FIG. 32B One buffer portion 16S is shown, and the buffer portion 16S has one protrusion 161S. Alternatively, the carrier 1S may include two or more buffer portions 16S. Alternatively, the buffer portion 16S may include two or more protrusions 161S.

[0355] In this embodiment, the second cover portion 12S may not have the buffer portion 121S.

[0356] Alternatively, the buffer portion 16S of this embodiment and the buffer portion 121S of the previous embodiment may exist on the carrier 1S at the same time.

[0357] Fig.33A It is another embodiment of the present application. Fig. 22 The cross-sectional view taken along line BB in Fig.33B yes Fig.33A A partial enlarged view of Fig.34A is with Fig.33A Similar cross-section, but Fig.34A The support legs are in the deployed and extended position. Fig.34B yes Fig.34A A partial enlarged view of Fig.35A is with Fig.33A Similar cross-section, but Fig.35A The support legs are in the further extended and spread out position. Fig.35B yes Fig.35A A partial enlarged view of Fig.36A is with Fig.33A Similar cross-section, but Fig.36A The support legs are in the fully extended and unfolded position. Fig.36B yes Fig.36A A partial enlarged view of .

[0358] The parts of this embodiment that are the same as those of the previous embodiment will not be described in detail.

[0359] See also FIG. 33A to FIG. 36B , the fixing bracket 13S may have a locking hole 131S and a groove 132S. The locking hole 131S and the groove 132S are both formed on the upper surface of the fixing bracket 13S and may be spaced apart from each other. The groove 132S may be elongated. The carrier 1S may include a buffer element 19S. The buffer element 19S may be fixed to the base shell 18S. For example, the buffer element 19S may be fixed to the inner wall of the base 10S and located above the locking member 15S. Specifically, the front end ( Fig.33BThe right end in FIG. 10A may be fixed to the inner wall of the base 10S. Alternatively, the rear end of the cushioning element 19S may be fixed to the inner wall of the base 10S.

[0360] The locking member 15S may include a locking seat 151S, a locking pin 152S and a driving member 153S. A cavity may be formed inside the locking seat 151S. The locking pin 152S may be telescopically arranged in the cavity formed by the locking seat 151S and abut the fixed bracket 13S. The shape of the cavity corresponds to the shape of the locking pin 152S, so that the locking pin 152S can slide up and down in the cavity. The driving member 153S may be arranged in the locking seat 151S and located above the locking pin 152S. The driving member 153S abuts the locking pin 152S and the locking seat 151S respectively, thereby applying a constant force in the downward direction to the locking pin 152S. When the locking member 15S moves with the mobile bracket 14S relative to the fixed bracket 13S (that is, when the first cover 11S, the second cover 12S and the supporting foot 20S extend to the front of the base 10S), the locking pin 152S is pushed by the driving member 153S and abuts the groove 132S to generate resistance. The resistance reduces the moving speed of the mobile bracket 14S, but does not stop the mobile bracket 14S. The resistance can prevent the first cover 11S from generating excessive impact force, thereby causing damage to the person or object in front of the vehicle 1S. After passing through the groove 132S, the mobile bracket 14S will continue to move forward until the locking pin 152S falls into the locking hole 131S. At this time, the support foot 20S pivots to a state substantially perpendicular to the ground. The driving member 153S can be a spring, but the present application is not limited thereto.

[0361] During the movement of the mobile bracket 14S relative to the fixed bracket 13S, the buffer element 19S may abut the locking seat 151S, thereby generating resistance to the movement of the mobile bracket 14S. The resistance reduces the moving speed of the mobile bracket 14S, but does not stop the mobile bracket 14S. Specifically, the buffer element 19S may abut the top of the locking seat 151S. A protrusion 191S may be formed on the buffer element 19S. The protrusion 191S generally protrudes downward to face the locking seat 151S. When the fixed bracket 13S moves, the protrusion 191S will contact the locking seat 151S to provide resistance of varying size. In other words, when the protrusion 191S contacts the locking seat 151S, the mobile bracket 14S will be subjected to the greatest resistance.

[0362] The protrusion 191S may be similar to the cam 17BS of the buffer portion 16S. That is, when one side ( Fig.33B , Fig.34B , Fig.35B and Fig.36B When the left side of the buffer element 19S abuts against the top of the locking seat 151S, the buffer element 19S generates resistance to the top of the locking seat 151S; when the other side of the buffer element 19S ( Fig.33B , Fig.34B , Fig.35B and Fig.36B When the right side in the figure abuts against the top of the locking seat 151S, the buffer element 19S generates a thrust on the top of the locking seat 151S to promote the extension of the movable bracket 14S.

[0363] The buffer element 19S may be a sheet with elasticity (or referred to as a "spring sheet"), for example, a metal sheet, a plastic sheet, etc. The buffer element 19S may be formed with a protrusion 191S for abutting against the locking seat 151S. Fig.35B As shown, the protrusion 191S may include a first surface 1911S and a second surface 1912S connecting the first surface 1911S. The angle of the second surface 1912S relative to the horizontal direction may be greater than the angle of the first surface 1911S relative to the horizontal direction. When the locking member 15S abuts the first surface 1911S, the buffer element 19S may apply a thrust toward the retracted position to the locking member 15S. When the locking member 15S abuts the second surface 1912S, the buffer element 19S may apply a thrust toward the extended position to the locking member 15S. The protrusion 191S may be formed by bending the buffer element 19S, but the present application is not limited thereto. The buffer element 19S may be formed into a curved structure and have elasticity. Although Figures 33 to 36 show one buffer element 19S, and the buffer element 19S has one protrusion 191S. Alternatively, the carrier 1S may include two or more buffer elements 19S. Alternatively, the cushioning element 19S may include two or more protrusions 191S.

[0364] Although in the present embodiment, the moving bracket 14S is resisted by both the buffer element 19S and the fixed bracket 13S, it is understood that the moving bracket 14S may be resisted by only one of the buffer element 19S and the fixed bracket 13S.

[0365] Fig.37A It is another embodiment of the present application. Fig. 22 The cross-sectional view taken along line BB in Fig.37B yes Fig.37A A partial enlarged view of Fig.38A is with Fig.37A Similar cross-section, but Fig.38A The support legs are in the deployed and extended position. Fig.38B yes Fig.38A A partial enlarged view of Fig.39A is with Fig.37A Similar cross-section, but Fig.39A The support legs are in the further extended and spread out position. Fig.39B yes Fig.39A A partial enlarged view of Fig.40A is with Fig.37A Similar cross-section, but Fig.40A The support legs are in the fully extended and unfolded position. Fig.40B yes Fig.40A A partial enlarged view of .

[0366] The parts of this embodiment that are the same as those of the previous embodiment will not be described in detail.

[0367] See also FIG. 37A to FIG. 40B , different from the previous embodiment, one end of the buffer element 19S of this embodiment can be fixed on the top of the locking seat 151S. A blocking recess 183S and a blocking protrusion 184S can be formed on the top surface of the inner side of the base shell 18S. The blocking recess 183S can be arranged on the rear side ( Fig.37B ). The other end (free end) of the buffer element 19S may be formed as an arc surface or a circular ring. When the mobile bracket 14S moves relative to the fixed bracket 13S, the other end of the buffer element 19S may contact the top surface of the inner side of the base shell 18S, thereby generating resistance. When the other end of the buffer element 19S moves to the blocking recess 183S and abuts against the blocking protrusion 184S, the resistance applied to the mobile bracket 14S by the base shell 18S via the buffer element 19S will reach a maximum value. Similarly, the maximum value of the resistance can only reduce the moving speed of the mobile bracket 14S, but cannot stop the mobile bracket 14S. When the mobile bracket 14S continues to move, the buffer element 19S is deformed and eventually leaves the blocking recess 183S and the blocking protrusion 184S. In the process of the mobile bracket 14S moving from the retracted position to the extended position, after the free end of the buffer element 19S no longer abuts against the blocking protrusion 184S, the free end of the buffer element does not contact the base shell.

[0368] Although in the present embodiment, the moving bracket 14S is resisted by both the base housing 18S and the fixed bracket 13S, it is understood that the moving bracket 14S may be resisted by only one of the base housing 18S and the fixed bracket 13S.

[0369] It can be seen that the pivoting of the supporting leg 20S of the carrier 1S of the present application can be buffered, thereby preventing the supporting leg 20S from hitting surrounding people or objects with a large energy when unfolded, and the forward movement of the first cover portion 11S and the supporting leg 20S can be buffered, thereby preventing the first cover portion 11S and the supporting leg 20S from hitting surrounding people or objects with a large energy when moving forward.

[0370] At the same time, the present application can change the resistance curve by setting the structures such as the protrusion 191S and the blocking recess 183S and the blocking protrusion 184S, so as to reasonably set the resistance curve according to the speed change of the movement of the support leg 20S and the first cover 11S, ensure that the movement of the support leg 20S and the first cover 11S meets the expected speed, and improve the operation quality of the vehicle 1S. For example, when the support leg 20S begins to unfold and / or extend, no resistance can be set to allow the support leg 20S to unfold and / or extend quickly, and resistance can be set when the support leg 20S unfolds and / or extends to a certain position or speed, so as to avoid the support leg 20S from being unfolded and / or extended too quickly, causing impact and noise.

[0371] Reference Fig.41 and Fig.42 The vehicle 1T according to the present application is described as a vehicle in the present application, but it should be understood that the vehicle 1T may also be any other suitable form including a support leg 100T. The vehicle 1T includes a body 300T, a support leg 100T, a support leg telescopic mechanism 200T, and an anti-pinch rotation mechanism 500T.

[0372] The body 300T is a portion for a passenger to sit on. For ease of description, longitudinal, lateral, and vertical directions are defined herein based on a common usage of the body 300T. Fig.41 and Fig.42 The body 300T shown in the figure includes a carrier and a base that can be separated from the seat portion. However, it should be understood that the body 300T can be in any suitable form, for example, it can only include a base, a combination of a base and an infant carrier, a base and a sleeping basket, etc.

[0373] The support leg 100T is arranged at the lower front of the body 300T, and is used to support the body 300T on the ground (not shown). One longitudinal end (i.e., the rear end) of the support leg telescopic mechanism 200T is connected to the body 300T, and the other longitudinal end (i.e., the front end) of the support leg telescopic mechanism 200T is connected to the support leg 100T. The support leg telescopic mechanism 200T can change its length in the longitudinal direction, thereby driving the support leg 100T to move in the longitudinal direction, i.e., along the Fig.41 Move in the retraction direction D2T shown in or in the opposite direction.

[0374] The anti-pinch finger rotation mechanism 500T is arranged between the support leg 100T and the support leg telescopic mechanism 200T. The anti-pinch finger rotation mechanism 500T allows the support leg 100T to rotate relative to the support leg telescopic mechanism 200T around the transverse axis, that is, along the Fig.41 The folding direction D1T shown in FIG. 1 is rotated in the opposite direction thereof.

[0375] Through the support leg telescopic mechanism 200T and the anti-pinch finger rotation mechanism 500T, the support leg 100T can Fig.41 The status shown is Fig.42 Since the support foot 100T has two motion modes, longitudinal movement and rotation around the transverse axis, for ease of understanding, Fig.41 The state in which the supporting foot 100T is extended to the front of the body 300T is called the extended state. Fig.41 The state in which the supporting foot 100T is extended vertically is called the extended state; Fig.42 The state in which the support leg 100T is retracted into the body 300T is called the folded state. Fig.42 The state in which the supporting legs 100T extend vertically is referred to as a folded state.

[0376] It can be seen that when the supporting legs 100T are in the folded state, the space occupied by the supporting legs 100T is minimized, thereby facilitating the transportation of the carrier 1T.

[0377] In addition, the support leg 100T itself can be shortened to further reduce the space it occupies, but this is not the focus of this article.

[0378] Reference Fig.43 The components of the carrier 1T of the present application are generally described.

[0379] The supporting leg retractable mechanism 200T includes a fixed sliding frame 210T (also called a first sliding frame), a movable sliding frame 220T (also called a second sliding frame), a locking member 240T, a decorative cover 250T, an auxiliary elastic member 260T, a pivot shaft 270T, a sliding pin 291T (also called a connecting member), a limit pin 292T, a limit gasket 293T, and an elastic element 294T.

[0380] In the application of the present application, the first sliding frame is a fixed sliding frame 210T mounted to the body 300T, and the second sliding frame is a movable sliding frame 220T pivotally connected to the support leg 100T. However, the present application is not limited thereto, and both the first sliding frame and the second sliding frame can be mounted to a moving component or a fixed component. The fixed sliding frame 210T and the movable sliding frame 220T slide with each other through a connecting member (i.e., a sliding pin 291T) to adjust the spacing length between the support leg 100T and the body 300T. The spacing length is the spacing length between the pivot point of the support leg 100T and the movable sliding frame 220T and the body 300T. In the present embodiment, the connecting member can be a single sliding pin 291T that runs through the fixed sliding frame 210T and the movable sliding frame 220T in the transverse direction, or it can be two sliding pins 291T (not shown) that are respectively arranged on both sides of the fixed sliding frame 210T and the movable sliding frame 220T in the transverse direction. It should be understood that in other embodiments, the connecting member may also be configured in other appropriate forms, such as a slide rail, a slider, a retractable connecting rod, etc., as long as it can support the longitudinal movement of the fixed sliding frame 210T and the movable sliding frame 220T. Optionally, the connecting member may also be movably connected to the fixed sliding frame 210T and the movable sliding frame 220T in other ways such as pivot connection, for example, the connecting member is a rod-shaped body extending along the direction of movement, and the fixed sliding frame 210T and the movable sliding frame 220T are respectively pivotally connected to the two ends of the connecting member, and when the connecting member is respectively pivoted 180 degrees relative to the fixed sliding frame 210T and the movable sliding frame 220T, the spacing length between the supporting foot 100T and the main body 300T is adjusted to be equivalent to the length of the connecting member in the sliding direction. Optionally, the connecting member may also be a movable sliding frame respectively sleeved between the first sliding frame and the second sliding frame.

[0381] The fixed sliding frame 210T is installed in the longitudinal front of the body 300T. The movable sliding frame 220T is connected to the fixed sliding frame 210T by the sliding pin 291T in a longitudinally slidable manner. The decorative cover 250T covers the top of the movable sliding frame 220T and can be clamped between the fixed sliding frame 210T and the movable sliding frame 220T to form a sandwich structure. The limit pin 292T is set to the movable sliding frame 220T and can be inserted into the limit groove 212T of the fixed sliding frame 210T in a longitudinally slidable manner. The limit gasket 293T is set at the end of the limit pin 292T and abuts against the top of the limit groove 212T to prevent the limit pin 292T from vertically disengaging from the limit groove 212T.

[0382] The locking member 240T is disposed in the movable slide frame 220T and can be engaged with the fixed slide frame 210T to lock the relative position of the fixed slide frame 210T and the movable slide frame 220T. The elastic member 294T is disposed on the locking member 240T to bias the locking member 240T to engage with the fixed slide frame 210T. The auxiliary elastic member 260T is disposed between the body 100T and the movable slide frame 220T (see also Fig.58A and58B ), and biases the movable sliding frame 220T to the extended state (i.e., located at the front end of the fixed sliding frame 210T). In other embodiments, the locking member 240T may also be disposed in the fixed sliding frame 220T, and may be engaged with the movable sliding frame 210T to lock the relative positions of the fixed sliding frame 210T and the movable sliding frame 220T.

[0383] The support foot 100T is connected to the front end of the movable sliding frame 220T through an anti-pinch rotation mechanism 500T, specifically to a pivot shaft 270T disposed laterally in the movable sliding frame 220T. The anti-pinch rotation mechanism 500T includes an anti-pinch cover 510T and a mounting seat 520T located inside the anti-pinch cover 510T. When the support foot 100T is in the folded position, the anti-pinch cover 510T will cover the gap between the support foot 100T and the support foot telescopic mechanism 200T, which will be described in detail later. The top of the support foot 100T has a ground contact indicator 101T, which can be observed through the decorative cover 250T to show whether the bottom end of the support foot 100T touches the ground. The ground contact indicator 101T is not the focus of discussion in this article, so a detailed description thereof is omitted.

[0384] Reference Fig.44 and Fig.45 The support leg retracting mechanism 200T according to the present application is further described.

[0385] The fixed sliding frame 210T and the movable sliding frame 220T can move relative to each other in the longitudinal direction to convert the supporting leg telescopic mechanism 200T between the extended state and the retracted state. Fig.44 An extended state is shown, in which the movable carriage 220T is located at the front end of the fixed carriage 210T. Fig.45 The folded state is shown, wherein the movable carriage 220T is located at the rear end of the fixed carriage 210T. The travel of the fixed carriage 210T and the movable carriage 220T relative to each other is not less than the longitudinal dimension of the fixed carriage 210T or the longitudinal dimension of the movable carriage 220T.

[0386] The support leg telescopic mechanism 200T switches between a folded state and an extended state as the fixed sliding frame 210T and the movable sliding frame 220T slide relative to each other. Fig.45 In the folded state shown in FIG. 1 , there is a small spacing length between the support leg 100T and the body 300T (not shown); when the support leg telescopic mechanism 200T is in Fig.44In the extended state shown, there is a large spacing length between the support leg 100T and the body 300T (not shown). It should be understood that if a slide groove is provided only on the fixed sliding frame 210T or only on the movable sliding frame 220T, the length of the slide groove is limited by the length of the fixed sliding frame 210T or the movable sliding frame 220T, so the travel of the fixed sliding frame 210T and the movable sliding frame 220T relative to each other will be relatively short. In the present application, the fixed sliding frame 210T includes a fixed slide groove 211T extending in the longitudinal direction, the movable sliding frame 220T includes a movable slide groove 221T extending in the longitudinal direction, the fixed slide groove 211T and the movable slide groove 221T at least partially overlap, and the support leg telescopic mechanism 200T also includes a sliding pin 291T penetrating the fixed slide groove 211T and the movable slide groove 221T. Thanks to the fact that a set slide groove 211T (also called the first slide groove) is opened on the fixed sliding frame 210T, a movable slide groove 221T (also called the second slide groove) is opened on the movable sliding frame 220T, and the fixed slide groove 211T and the fixed slide groove 211T are connected by a sliding pin 291T, the relative movement stroke of the fixed sliding frame 210T and the movable sliding frame 220T is significantly increased.

[0387] In addition, the fixed sliding frame 210T is provided with a limit groove 212T extending in the longitudinal direction, and the movable sliding frame 220T is provided with a limit pin 292T, and the limit pin 292T can be inserted into the limit groove 212T in a slidable manner in the longitudinal direction. Through the cooperation between the limit groove 212T and the limit pin 292T, the fixed sliding frame 210T and the movable sliding frame 220T can stably slide relative to each other, thereby avoiding relative rotation or tilting between the two.

[0388] More specifically, the fixed slide groove 211T and the movable slide groove 221T are respectively arranged on the lateral sides of the fixed sliding frame 210T and the lateral sides of the movable sliding frame 220T, and the sliding pin 291T passes through each fixed slide groove 211T and each movable slide groove 221T in the lateral direction. That is, two fixed slide grooves 211T and two fixed slide grooves 211T are respectively provided; the two fixed slide grooves 211T and the fixed sliding frame 210T are arranged opposite to each other; and the two movable slide grooves 221T are arranged opposite to each other on the two lateral side walls of the movable sliding frame 220T. In this embodiment, one sliding pin 291T passes through two fixed slide grooves 211T and two fixed slide grooves 211T, thereby improving the synchronization of the sliding between the left and right sides and improving the mechanical strength of the connection. In other embodiments, two sliding pins may also be provided, wherein one sliding pin passes through a fixed slide groove 211T and a fixed slide groove 211T on the left side in the horizontal direction; and the other sliding pin passes through a fixed slide groove 211T and a fixed slide groove 211T on the right side in the horizontal direction. The limit groove 212T and the limit pin 292T are respectively located on the top wall of the fixed sliding frame 210T and the movable sliding frame 220T. However, this is not necessary. In other embodiments, the fixed slide groove 211T and the movable slide groove 221T may be respectively arranged on the vertical sides of the fixed sliding frame 210T and the vertical sides of the movable sliding frame 220T, and the sliding pin 291T extends vertically accordingly. The limit groove 212T may be arranged on the horizontal sides of the fixed sliding frame 210T, and the limit pin 292T extends horizontally accordingly. The fixed slide groove 211T and the movable slide groove 221T may be four, six, etc., respectively.

[0389] Reference Fig.46A An embodiment of a fixed sliding frame 210T according to the present application will be described in detail.

[0390] The fixed sliding frame 210T of this embodiment is roughly in the shape of a shell surrounded on three sides extending in the longitudinal direction. More specifically, the fixed sliding frame 210T has a top wall and two side walls connected to the top wall on both lateral sides. Two fixed sliding grooves 211T are symmetrically provided on the two side walls of the fixed sliding frame 210T and extend in the longitudinal direction respectively. The limiting groove 212T is provided on the top wall of the fixed sliding frame 210T and extends in the longitudinal direction. In this embodiment, both longitudinal ends of the limiting groove 212T do not exceed the range of the top wall, that is, the limiting groove 212T is a shape that is closed at both ends. At least one first locking hole 215T is provided on the top wall of the fixed sliding frame 210T. In this embodiment, the two first locking holes 215T are arranged at the front end (that is, Fig.46A The first locking hole 215T is located near the right side of the limiting groove 212T and is distributed on both sides of the limiting groove 212T. The first locking hole 215T is in a long shape extending in the transverse direction, but this is not necessary. The first locking hole 215T can also be square or circular.

[0391] As previously mentioned Fig.44 , Fig.45As described above, the fixed slide groove 211T and the limiting groove 212T respectively engage the sliding pin 291T and the limiting pin 292T. The positions of the fixed slide groove 211T and the limiting groove 212T can also be interchanged, for example, the fixed slide groove 211T can be arranged on the top wall, and the limiting groove 212T can be arranged on the side wall.

[0392] Reference Fig.46B Another embodiment of a fixed sliding frame 210T according to the present application will be described in detail.

[0393] The fixed sliding frame 210T of this embodiment is substantially the same as the fixed sliding frame 210T of the previous embodiment. The difference between the two is that the limit groove 212T of this embodiment is at the rear end (i.e. Fig.46B The left side of the fixed sliding frame 210T extends to the outside of the fixed sliding frame 210T, that is, the limiting groove 212T of this embodiment is a shape with a closed front end and an open rear end. In the folded state, the limiting pin 292T can slide out from the rear end of the limiting groove 212T, so that the total length of the fixed sliding groove 211T and the movable sliding groove 221T can be greater than the length of the limiting groove 212T. In the extended state, the wall surface overlaps less between the fixed sliding frame 210T and the movable sliding frame 220T, and the sliding frames are prone to lateral shaking or longitudinal rolling. The cooperation between the limiting pin 292T and the limiting groove 212T can reduce the lateral shaking or longitudinal rolling between the sliding frames; in the folded state, most of the wall surfaces of the fixed sliding frame 210T and the movable sliding frame 220T overlap, even if the limiting pin 292T slides out from the rear end of the limiting groove 212T and no longer plays a limiting role, the fixed sliding frame 210T and the movable sliding frame 220T are not prone to lateral shaking or longitudinal rolling. In this embodiment, a plurality of groups of first locking holes 215T are provided along the longitudinal direction of the fixed sliding frame 210T. The figure shows a group of first locking holes 215T located near the front end of the fixed sliding frame 210T and a group of first locking holes 215T located near the rear end of the fixed sliding frame 210T. However, it should be understood that more groups of first locking holes 215T can be arranged along the longitudinal direction.

[0394] The first locking hole 215T is used to fit into the locking member 240T (see Fig.43 ), so as to lock the longitudinal relative positions of the fixed sliding frame 210T and the movable sliding frame 220T. When the plurality of first locking holes 215T are arranged in the longitudinal direction, the movable sliding frame 220T is allowed to be locked in a plurality of longitudinal positions relative to the fixed sliding frame 210T, including but not limited to an extended state and a retracted state.

[0395] It should be understood that the fixed sliding frame 210T in the above embodiment may also be provided with a plurality of groups of first locking holes 215T along the longitudinal direction.

[0396] Reference Fig.47 The movable sliding frame 220T according to the present application will be described in detail.

[0397] The movable sliding frame 220T is roughly in the shape of a shell that is surrounded on three sides and extends in the longitudinal direction. More specifically, the movable sliding frame 220T has a top wall and two side walls connected to the top wall on both sides in the lateral direction. The lateral dimension of the movable sliding frame 220T can be slightly smaller than the lateral dimension of the fixed sliding frame 210T so that it can be enclosed inside the fixed sliding frame 210T. Two movable sliding grooves 221T are symmetrically opened on the two side walls of the movable sliding frame 220T and extend in the longitudinal direction respectively. In this embodiment, the movable sliding groove 221T is located at the longitudinal rear end of the movable sliding frame 220T (i.e. Fig.47 However, it should be understood that the movable slide groove 221T can also be set at other longitudinal positions of the movable sliding frame 220T, for example, near the longitudinal front end. In addition, the movable slide groove 221T can also be set on the top wall of the movable sliding frame 220T, and the fixed slide groove 211T is correspondingly set on the top wall of the fixed sliding frame 210T.

[0398] The second locking hole 225T is formed on the top wall of the movable sliding frame 220T. In this embodiment, two second locking holes 225T are arranged near the rear end of the movable sliding frame 220T and are distributed laterally. The shape of the second locking hole 225T corresponds to the shape of the first locking hole 215T, that is, it can be a long shape extending laterally, or it can be a square or a circle.

[0399] The bayonet 224T is disposed on the top wall of the movable sliding frame 220T, for example, in front of the second locking hole 225T in the longitudinal direction. The elastic element 294T is mounted to the movable sliding frame 220T via the bayonet 224T, which will be described in detail later.

[0400] A snap-fitting groove 223T is also provided at the front end of the top wall of the movable sliding frame 220T. The snap-fitting groove 223T is arranged to be vertically concave downward. The snap-fitting groove 223T is used to snap-fit ​​the mounting seat 520T when the supporting foot 100T is in the unfolded position, which will be described in detail below.

[0401] The pivot shaft 270T is disposed transversely between the two side walls of the movable sliding frame 220T and is used to pivotally connect the support foot 100T to the movable sliding frame 220T. Fig.43 .

[0402] Reference Fig.48 The decorative cover 250T according to the present application will be described in detail.

[0403] The decorative cover 250T is generally a three-sided enclosed structure extending in the longitudinal direction and is closed at the front end. More specifically, the decorative cover 250T has a top wall, two side walls connected to the lateral sides of the top wall, and a front wall connected to the front ends of the top wall and the side walls. The decorative cover 250T covers the outer side of the movable sliding frame 220T and can be located between the fixed sliding frame 210T and the movable sliding frame 220T (see FIG. 54A to FIG. 54C).

[0404] The decorative cover hole 252T is formed on the top wall of the decorative cover 250T. In this embodiment, two decorative cover holes 252T are arranged near the rear end of the movable sliding frame 220T and are distributed laterally. The shape of the decorative cover hole 252T corresponds to the shape of the first locking hole 215T and the second locking hole 225T, that is, it can be a long shape extending laterally, or it can be a square or a circle.

[0405] A window 253T is provided at the front end of the top wall of the decorative cover 250T to allow the user to observe the ground contact indicator 101T through the window 253T. The ground contact indicator 101T is not the focus of this article, so a detailed description thereof is omitted.

[0406] The side wall of the decorative cover 250T may be provided with a decorative cover slide groove 251T so that the sliding pin 291T passes through the decorative cover 250T.

[0407] It should be understood that the decorative cover 250T is not necessary to achieve the main function of the supporting leg retractable mechanism 200T. In some embodiments, the decorative cover 250T can be omitted.

[0408] Reference Fig.49 The locking member 240T according to the present application will be described in detail.

[0409] The locking member 240T is generally in the shape of a sheet extending in the longitudinal direction and the transverse direction. One longitudinal end (i.e., the front end) of the locking member 240T is a release portion 241T. The other longitudinal end (i.e., the rear end) of the locking member 240T is provided with at least one locking protrusion 242T. The locking protrusion 242T extends upward in the longitudinal direction. In this embodiment, two locking protrusions 242T are arranged in the transverse direction. In other embodiments, one locking protrusion 242T or more than two locking protrusions 242T may be provided.

[0410] In this embodiment, the locking protrusion 242T and the unlocking portion 241T are an integral part. However, it should be understood that in other embodiments, the locking protrusion 242T and the unlocking portion 241T may also be provided as multiple parts. For example, the unlocking portion 241T may be provided as a slider that moves according to the pulling of a traction member (not shown).

[0411] Reference Fig.50 The elastic element 294T according to the present application is described in detail.

[0412] The elastic element 294T is generally in the shape of a sheet extending in the longitudinal direction. A locking protrusion 294aT is provided in the longitudinal middle of the elastic element 294T so as to connect the elastic element 294T to the movable sliding frame 220T, which will be described in detail later.

[0413] Reference Fig.51 and Fig.52The mounting base 520T according to the present application is described in detail.

[0414] The mounting seat 520T is roughly rectangular, and a limit hook 522T and at least one contact strip 521T are provided at the top of one longitudinal end (i.e., the front end). In this embodiment, the two contact strips 521T are arranged on both lateral sides of the mounting seat 520T, and extend forward from the top of the mounting seat 520T respectively, thereby forming a protrusion shape extending outward in the longitudinal direction. The limit hook 522T is arranged in the lateral middle of the mounting seat 520T, and is bent toward the longitudinal rear, thereby forming a hook shape extending inward in the longitudinal direction.

[0415] The mounting seat 520T is also provided with a structure for engaging the ground contact indicator 101T. Since the ground contact indicator 101T is not the focus of this article, the detailed description of the structure is omitted in this article.

[0416] Reference FIG. 53A to FIG. 53C The operation of the supporting leg retracting mechanism 200T according to the present application is described.

[0417] like Fig.53A As shown, the support leg telescopic mechanism 200T is in an extended state. The movable sliding frame 220T is moved from the longitudinal front (i.e. Fig.53A The support leg 100T is extended to the right side of the fixed slide 211T, so that the support leg 100T is located at the frontmost position. At this time, the front end of the fixed slide groove 211T overlaps with the rear end of the movable slide groove 221T. The sliding pin 291T is located at the front end of the fixed slide groove 211T, that is, at the rear end of the movable slide groove 221T. Since the movable slide frame 220T is located on the inner side of the fixed slide frame 210T, Fig.53A The dotted line in the figure indicates the approximate position of the movable slide groove 221T. Fig.53A It can also be seen that the limit pin 292T is located at the front end of the fixed sliding frame 210T.

[0418] like Fig.53B As shown, the support leg telescopic mechanism 200T is in a transition state between the extended state and the retracted state. At this time, the movable sliding frame 220T is partially retracted between the fixed sliding frame 210T in the longitudinal direction, and the movable sliding groove 221T and the fixed sliding groove 211T at least partially overlap in the longitudinal direction. The sliding pin 291T can be located at any position of the overlapping part of the fixed sliding groove 211T and the movable sliding groove 221T. Fig.53B The dotted circle in represents the possible positions of the slide pin 291T.

[0419] from Fig.53B It can also be seen that the limit pin 292T is located in the middle of the fixed sliding frame 210T.

[0420] like Fig.53C As shown, the support leg telescopic mechanism 200T is in the folded state. The movable sliding frame 220T is retracted to the longitudinal rear of the fixed sliding frame 210T (i.e. Fig.53C The support leg 100T is located at the rearmost position. At this time, the rear end of the fixed slide groove 211T overlaps the front end of the movable slide groove 221T. The sliding pin 291T is located at the rear end of the fixed slide groove 211T, that is, at the front end of the movable slide groove 221T. Since the movable slide frame 220T is located on the inner side of the fixed slide frame 210T, Fig.53C The dotted line in the figure indicates the approximate position of the movable slide groove 221T. Fig.53C It can also be seen that the limit pin 292T is located at the rear end of the fixed sliding frame 210T.

[0421] pass FIG. 53A to FIG. 53C It can be seen that the stroke between the extended state and the retracted state of the supporting leg telescopic mechanism 200T is roughly equal to the sum of the lengths of the fixed slide groove 211T and the movable slide groove 221T. Therefore, the stroke can be greater than the length of the fixed sliding frame 210T or the length of the movable sliding frame 220T, thereby increasing the possible telescopic amount of the supporting leg 100T. The sliding pin 291T (i.e., the connecting member) is slidingly connected to the fixed sliding frame 210T and the movable sliding frame 220T respectively; when the supporting leg telescopic mechanism 200T switches from the retracted state to the extended state, the sliding direction of the sliding pin 291T relative to the fixed sliding frame 210T is opposite to the sliding direction of the sliding pin 291T relative to the movable sliding frame 220T.

[0422] In addition, although Fig.53A The support leg 100T is shown in the extended state. Fig.53B and Fig.53C The support leg 100T is shown in a folded state, but it should be understood that the support leg 100T can be FIG. 53A to FIG. 53C Any position shown is in an extended state or a retracted state.

[0423] Reference FIG. 54A to FIG. 54C The operation of the supporting leg retracting and extending mechanism 200T according to the present application will be described below.

[0424] pass FIG. 54A to FIG. 54C The cross-sectional view shown in FIG. 2 can more clearly show that the positional relationship between the fixed slide groove 211T, the movable slide groove 221T, and the sliding pin 291T changes with the movement of the movable sliding frame 220T. For specific changes, please refer to the above-mentioned method based on Figures 53A to 53C The decorative cover 250T covers the movable sliding frame 220T and moves with the movable sliding frame 220T. The locking member 240T moves along the longitudinal direction with the movable sliding frame 220T, so as to correspond to multiple longitudinal positions of the fixed sliding frame 210T. A plurality of first locking holes 215T are provided along the longitudinal direction of the fixed sliding frame 210T (see Fig.46B ), the locking member 240T can lock the movable sliding frame 220T in multiple longitudinal positions, including but not limited to an extended state and a fully locked state.

[0425] Reference FIG. 55A to FIG. 55C The operation of the supporting leg retracting and extending mechanism 200T according to the present application will be described below.

[0426] pass FIG. 55A to FIG. 55C In the top view shown in FIG. 1 , it can be clearly seen that the stop pin 292T slides along the stop slot 212T as the movable slide slot 221T moves, and moves to the rear end of the stop slot 212T in the folded state. Fig.46B ), when the support leg telescopic mechanism 200T is in the folded state, the limit pin 292T can be separated from the limit slot 212T from the rear end thereof. Therefore, the support leg telescopic mechanism 200T can be allowed to have a larger telescopic stroke when the fixed sliding frame 210T has the same length, or the length of the fixed sliding frame 210T can be shortened when the support leg telescopic mechanism 200T has the same telescopic stroke, so that the support leg telescopic mechanism 200T can save materials and reduce weight.

[0427] Reference Fig.56 and Fig.57 The arrangement of the locking member 240T and the elastic element 294T is described.

[0428] like Fig.56 In the top view shown, the top of the movable slide frame 220T is provided with a limit pin 292T, and the bayonet 224T of the movable slide frame 220T is arranged at both sides of the limit pin 292T. The bayonet 294aT of the elastic element 294T passes through the top surface of the movable slide frame 220T from below and engages with the bayonet 224T.

[0429] like Fig.57 In the bottom view shown, the locking member 240T is arranged on the lower surface of the top wall of the movable sliding frame 220T, the elastic element 294T is arranged below the locking member 240T, and the stop pin 292T passes through the elastic element 294T, the locking member 240T and the top wall of the movable sliding frame 220T in sequence from bottom to top. Therefore, the stop pin 292T assists in mounting the locking member 240T and the elastic element 294T to the movable sliding frame 220T. The locking protrusion 242T of the locking member 240T can pass through the second locking hole 225T on the top wall of the movable sliding frame 220T. In this embodiment, the locking member 240T and the elastic element 294T are arranged on the movable sliding frame 220T, and the locking member 240T can be engaged with the fixed sliding frame 210T to lock the relative position of the fixed sliding frame 210T and the movable sliding frame 220T.

[0430] Reference Fig.58A and Fig.58B The operation of the locking member 240T is described below. The longitudinal middle of the locking member 240T abuts against the top wall of the movable sliding frame 220T to form a fulcrum of the lever. Fig.58A In the locked state shown, the locking projection 242T is inserted into the first locking hole 215T of the fixed sliding frame 210T, and the movable sliding frame 220T is locked to the fixed sliding frame 210T. The user can push the release portion 241T of the locking member 240T upward to pry the locking member 240T so that the locking projection 242T is disengaged from the first locking hole 215T, so that the locking member 240T is switched to Fig.58B The unlocked state shown in FIG. 2 allows the movable slide frame 220T to move relative to the fixed slide frame 210T. The elastic member 294T is configured to bias the locking protrusion 242T toward the second locking hole 225T.

[0431] In the embodiment where the locking member 240T is mounted on the fixed sliding frame 210T, the locking projection 242T is inserted into the second locking hole 225T of the movable sliding frame 220T. The locking projection can be disengaged from the second locking hole 225T through the operation of the user.

[0432] Reference Figures 59A to 59C The anti-pinch rotation mechanism 500T according to the present application is described in detail.

[0433] The anti-pinch hand rotation mechanism 500T includes an anti-pinch cover 510T and a mounting seat 520T. The anti-pinch cover 510T includes an arc-shaped surface extending around a transverse axis (see also Fig.43 The anti-pinch cover 510T is configured to rotate about a transverse axis, for example, about a transversely extending pivot shaft 270T. The lower end of the anti-pinch cover 510T has a step portion 511T extending toward the inner side (ie, longitudinally rearward) of the anti-pinch cover 510T.

[0434] Mounting seat 520T structure reference Fig.51 and Fig.52 Related description.

[0435] The mounting seat 520T is configured to rotate along with the supporting foot 100T around the pivot shaft 270T, and the decorative cover 250T can be driven to rotate by the supporting foot 100T or the mounting seat 520T.

[0436] When the support foot 100T is located Fig.59A In the extended position shown, the anti-pinch cover 510T is located inside the decorative cover 250T, specifically, near the inner side of the front wall of the decorative cover 250T. That is, the decorative cover 250T is arranged on the support leg telescopic mechanism 200T and a storage space for storing the anti-pinch cover 510T is formed between the decorative cover 250T and the support leg telescopic mechanism 200T. The mounting seat 520T is located near the top wall of the decorative cover 250T, and the limit hook 522T of the mounting seat 520T abuts against the engaging groove 223T of the movable sliding frame 220T to prevent the mounting seat 520T from continuing to move upward (i.e. Fig.59AThe limit hook 522T can also be engaged with the engagement groove 223T to limit the support foot 100T in the extended position. The contact strip 521T of the mounting seat 520T is close to the top wall of the decorative cover 250T, and is therefore near the top of the anti-pinch cover 510T.

[0437] from Fig.59A When the user rotates the support leg 100T toward the folded position, the mounting base 520T moves downward along with the support leg 100T (ie, Fig.59A Clockwise rotation in the .

[0438] When the support foot 100T is Fig.59A After the unfolded position shown is rotated to the first angle, the support leg 100T is in Fig.59B During the rotation from the extended position to the intermediate position, the contact strip 521T does not abut against the step 511T of the anti-pinch cover 510T, so the mounting seat 520T does not drive the anti-pinch cover 510T. When the support foot 100T rotates to the intermediate position, the contact strip 521T of the mounting seat 520T rotates to the bottom end of the anti-pinch cover 510T, and the contact strip 521T abuts against the step 511T of the anti-pinch cover 510T.

[0439] from Fig.59B Starting from the middle position shown, the support foot 100T and the mounting seat 520T continue downward (i.e. Fig.59B The clockwise direction in the Fig.59C shown in the stowed position. FIG. 59B to FIG. 59C During the process, the touch strip 521T abuts against the step portion 511T of the anti-pinch cover 510T, so that the anti-pinch cover 510T rotates downward together with the mounting base 520T. The step portion 511T and the touch strip 521T may be shape-matched. The rotation angle from the unfolded position to the middle position may be referred to as the first angle, and the rotation angle from the unfolded position to the folded position may be referred to as the second angle. The second angle is greater than the first angle, for example, the first angle may be 30-60 degrees and the second angle may be 90 degrees, so the rotation process of the first angle of the support foot 100T does not drive the anti-pinch cover 510T to have an idle stroke, thereby saving the storage space in the decorative cover 250T.

[0440] Reference Fig.59B When the support leg 100T rotates to the folded position, the mounting seat 520T is located below the decorative cover 250T, and the anti-pinch cover 510T rotates to between the mounting seat 520T and the decorative cover 250T, thereby covering the gap between the mounting seat 520T and the decorative cover 250T. In this way, when the user moves the support leg 100T from the folded position to the extended position, the user's hand will not be pinched in the gap between the mounting seat 520T and the decorative cover 250T.

[0441] When the user moves the support foot 100T from the folded position to the extended position, the support foot 100T moves along the Fig.59B The anti-pinch cover 510T rotates counterclockwise and abuts against the bottom end of the anti-pinch cover 510T, so as to drive the anti-pinch cover 510T to rotate counterclockwise and return to the Fig.59A Shown in extended position.

[0442] It should be understood that, although the present application describes the anti-pinch finger rotation mechanism 500T connected to the support leg telescopic mechanism 200T, the anti-pinch finger rotation mechanism 500T can be installed to any appropriate connection between the support leg 100T and the body 300T. The anti-pinch cover 510T and the support leg 100T are pivotally connected to the same pivot axis 270T; the pivot axis 270T deviates from the extension line of the length direction of the support leg 100T, so that the support leg 100T and the sliding frame can be more compactly matched.

[0443] Although preferred embodiments are shown and described herein, it should be understood that these embodiments are given as examples only. Those skilled in the art will appreciate that many modifications, changes and substitutions will not deviate from the spirit of the present invention. Therefore, the appended claims are intended to cover all such modifications that fall within the spirit and scope of the present invention.

Claims

1. A support foot assembly for a child carrier, characterized in that: include: A support leg (10) capable of changing its length and a contact indication mechanism (100); Wherein, the support foot has an indicating end and a contact end opposite to each other, and the contact indicating mechanism comprises: an indicator disposed at the indicating end portion and movable between a first position and a second position to indicate whether the supporting foot is in contact with a surface; a driving member movably disposed in the contact end portion; a traction member, comprising a traction member first end connected to the indicator, and a traction member second end connected to the contact end; A retaining sleeve, which is sleeved on the first end of the traction member and prevents a portion of the traction member from bending; When the contact end contacts the surface, the driving member drives the traction member to slide relative to the retaining sleeve, and the traction member further drives the indicator.

2. The support leg assembly according to claim 1, characterized in that: The supporting foot (10) further comprises: A first pipe member (101), close to the indicating end; a second pipe member (102), close to the contact end and capable of sliding relative to the first pipe member (101) to adjust the length of the supporting leg (10); The contact indicating mechanism (100) is provided with a limiting portion (101a), and the traction member (150) bypasses the limiting portion (101a). The limiting portion (101a) is arranged inside the first pipe (101) and at an end of the first pipe (101) away from the indicating end, and the limiting portion (101a) is arranged so that when the supporting foot (10) changes length, the distance of the limiting portion (101a) relative to the indicating end remains unchanged.

3. A carrier, characterized in that: The vehicle includes: Base; A support leg pivotally connected to the base and capable of pivoting relative to the base; and a first buffer mechanism, which is disposed between the base and the support leg and is capable of contacting at least one of the base and the support leg, wherein: The first buffer mechanism is configured to provide resistance to pivotal movement of the support foot relative to the base. The support leg can pivot between a folded position and an unfolded position, and the first buffer mechanism includes a buffer portion, which provides resistance to a portion of the pivoting distance of the support leg from the folded position to the unfolded position.

4. The carrier according to claim 3, characterized in that: The buffer portion is formed on the support leg, and in the process of the support leg moving from the folded position to the unfolded position, the buffer portion abuts against the base, so that the buffer portion generates elastic deformation to hinder the pivoting of the support leg; or The buffer portion is formed on the base, and when the supporting leg moves from the folded position to the unfolded position, the buffer portion abuts against the supporting leg, so that the buffer portion generates elastic deformation to hinder the pivoting of the supporting leg.

5. A support leg retractable mechanism, suitable for a vehicle, characterized in that: The support leg telescopic mechanism comprises: Support feet; A first sliding frame connected to the body of the carrier; A second sliding frame connected to the supporting foot; and a connecting member, which is movably connected to the first sliding frame and the second sliding frame respectively, The first sliding frame and the second sliding frame are slidably matched with each other through the connecting member to adjust the distance between the supporting foot and the body to a length greater than the length of the first sliding frame or the second sliding frame in the sliding direction.

6. The support leg retractable mechanism according to claim 5, characterized in that: The support leg telescopic mechanism switches between a folded state and an extended state as the first sliding frame and the second sliding frame slide relative to each other, the first sliding frame has a first sliding groove extending along the sliding direction, the second sliding frame includes a second sliding groove extending along the sliding direction, and the first sliding groove and the second sliding groove always at least partially overlap. The connecting member is a sliding pin, which passes through the first sliding groove and the second sliding groove and can slide freely along the first sliding groove and the second sliding groove respectively.

7. The support leg retractable mechanism according to claim 6, characterized in that: The first sliding frame has two first sliding grooves, wherein the two first sliding grooves are respectively formed on two opposite sides of the first sliding frame; the second sliding frame has two second sliding grooves, wherein the two first sliding grooves are respectively formed on two opposite sides of the second sliding frame; the sliding pin passes through each of the first sliding grooves and each of the second sliding grooves, The support leg telescopic mechanism switches between a folded state and an extended state as the first sliding frame and the second sliding frame slide relative to each other. When the support leg telescopic mechanism is in the folded state, there is a first spacing length between the support leg and the main body; when the support leg telescopic mechanism is in the extended state, there is a second spacing length between the support leg and the main body, and the second spacing length is greater than the first spacing length.

8. The support leg retractable mechanism according to claim 7, characterized in that: The first sliding frame has a first sliding groove extending along the sliding direction, the second sliding frame includes a second sliding groove extending along the sliding direction, the first sliding groove and the second sliding groove always at least partially overlap; the connecting member is respectively inserted into the first sliding groove and the second sliding groove; When the supporting leg telescopic mechanism is in the extended state, the connecting member abuts against the front end of the first slide groove and the rear end of the second slide groove; when the supporting leg telescopic mechanism is in the folded state, the connecting member abuts against the rear end of the first slide groove and the front end of the second slide groove.

9. The support leg retractable mechanism according to claim 6 or 7, characterized in that: The support leg telescopic mechanism also includes: a locking member, which locks the support leg telescopic mechanism in the extended state and the retracted state, The locking member is arranged on the second sliding frame or the first sliding frame, The locking member is provided with a locking protrusion, the first sliding frame is provided with a plurality of groups of first locking holes, the second sliding frame is provided with a second locking hole, the locking protrusion is matched with a group of first locking holes and the second locking hole in the plurality of groups of first locking holes to achieve locking in the extended state or the retracted state, The support leg telescopic mechanism also includes: An auxiliary elastic member is respectively connected to the main body and the second sliding frame, and the elastic force of the auxiliary elastic member biases the supporting foot toward a direction away from the main body.

10. The support leg retractable mechanism according to claim 9, characterized in that: The first sliding frame is provided with a limiting groove extending along the sliding direction, and the second sliding frame is provided with a limiting pin. The limiting pin is slidably matched with the limiting groove in the sliding direction, and the rear end of the limiting groove is closed or open.

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