Child safety seat and seat base

Abstract

To provide a highly safe child safety seat and a seat base which have simple structures and to make it easy to observe a connection state between the seat base and a seat body.SOLUTION: A child seat and a seat base for child seat are provided. The seat base includes a buckle mechanism, a display mechanism, and a link mechanism. The buckle mechanism is configured to be fixed to the seat body with a buckle. The display mechanism includes a display area configured to display the buckle state of the seat base and the seat body. The link mechanism is disposed between the buckle mechanism and the display mechanism. When the buckle mechanism is buckle fixed to the seat body, the link mechanism drives the display area to show a first display state; when the buckle mechanism is buckle released from the seat body, the link mechanism drives the display area to show a second display state.SELECTED DRAWING: Figure 4

Description

[Technical field]

[0001] This application is a joint venture between the parent company and the parent company of "Child Safety Seat and Chai" filed on December 11, 2020. The priority order of the Chinese patent application No. 2020114410863 entitled "Road Safety Seat Base" The present invention claims priority from the US Provisional Patent Application No. 2004 / 0133634, the disclosure of which is incorporated herein by reference in its entirety. The present invention relates to the technical field of child carriers, and in particular to child safety seats and seat bases. [Background technology]

[0002] Child safety seats must be used correctly to protect children. The safety seat mainly includes a seat body and a seat base. When in use, the seat base is The seat body is fastened to the seat base in the forward or reverse direction. Currently, most child safety seats are equipped with a warning system to warn the user of their installation status or use status. When installing a child safety seat for the user, the seat body and the seat belt Whether the seat is completely buckled or not is determined subjectively by the operator. As a result, poor human judgment can easily pose a danger to a seated child. In addition, commercially available child seats are equipped with a display that indicates the connection status of the ISOFIX connector. Some of these devices have local display capabilities, such as a display device that displays the The structure of the device is generally complicated, which increases the difficulty and cost of manufacturing the child safety seat. The number of cases increases. Summary of the Invention [Problem to be solved by the invention]

[0003] Based on this, child safety seats and seat bases must be provided. The safety seat and seat base are simple in structure and consist of a seat base and a seat body. The connection status is easy to observe and is highly safe. [Means for solving the problem]

[0004] The seat base of the child safety seat is buckled to the seat body. The buckling mechanism is configured to fasten the seat base and the seat body. An indication mechanism with an indication area that shows the buckling state of the body and a linkage mechanism disposed between the buckle mechanism and the display mechanism. m), and when the buckle mechanism is buckled to the seat body, the link The mechanism drives the display area to present a first display state, and the buckle mechanism detaches the buckle from the seat body. When unbuckled, the linkage drives the display region to provide a second display state. Show.

[0005] In the seat base of the above-mentioned child safety seat, the buckle mechanism is connected to the seat base and The buckle mechanism is then fastened to the seat body with a buckle. When the seat is unbuckled or released from the seat body, the link mechanism drives the display area. In this way, the user can select the base and system You can easily check the connection status of the device, which is more convenient and safer to use. In addition, the seat base has a simple structure, and is low in both difficulty and cost of manufacture.

[0006] In one embodiment, the seat base further comprises a mounting base, The mechanism includes a rotation element rotatably coupled within a mounting base, and a rotation element a linkage element connected to the display area and a seat base; When the seat is buckled to the seat body, the rotating element rotates to drive the link element, and the display area The seat base is unbuckled from the seat body by driving the seat belt region to present a first indication state. When the rotation element rotates, it drives the link element and drives the display area to provide a second display state. Show.

[0007] In one embodiment, the linkage further comprises a first restoration element. The two ends of the first restoring element are respectively connected to the link element and the mounting base. The first restoring element abuts against the link element so that the link element causes the display area to present a second display state. This allows the robot to always move in the direction of the drive.

[0008] In one embodiment, the link mechanism includes a push button movably disposed on the mounting base. The push button abuts against the buckle mechanism and the rotating element, respectively, and The mechanism can be actuated to slide the push button, and the push button is , pushing the rotating element to rotate.

[0009] In one embodiment, the link mechanism further comprises a second restoring element, The two ends abut against the mounting base and the push button, respectively, forming a second restoration The element moves in the opposite direction to the direction in which the push button is pressed by the buckle mechanism. Always enable movement.

[0010] In one embodiment, the buckle mechanism comprises a slide slidably disposed on the mounting base. When the sliding element slides, The push button moves along a direction that intersects with the sliding direction of the sliding element. When the push button is moved, the link is The rotating element is driven to rotate in order to drive the element to move.

[0011] In one embodiment, the pressing protrusion protrudes along a direction intersecting the sliding direction of the sliding element. A push protrusion is placed on the sliding element, and when the sliding element slides, the push The pressure protrusion presses the push button to move it.

[0012] In one embodiment, the buckle mechanism is pivotally coupled to the mounting base; The locking hook further includes a locking hook having an open position and a closed position. The slide element is configured to be removably fixed to the seat body, and the slide element has a lock hook. It has the ability to be maintained in an open or closed position.

[0013] In one embodiment, the buckle mechanism further comprises a third restoring element. The two ends of the abut against the slide element and the mounting base, respectively, and the third restoration The element is such that the sliding element moves in a direction that maintains the locking hook in the open position. Always possible.

[0014] In one embodiment, the buckle mechanism includes a fastening element attached to the mounting base and a fastening and a fifth restoring element connected to the fastening element, the locking hook being pivotable to the fastening element. and abuts against a fifth restoring element, which causes the locking hook to move toward the open position. This always allows the rotation of the shaft.

[0015] In one embodiment, the buckle mechanism further comprises a stopper and a sixth restoring element. One end of the stopper is pivotally connected to the mounting base, and the other end of the stopper is a lock hook. The sixth restoring element is connected to the stopper and the mounting base, and the sixth restoring element abuts against the stopper and the mounting base, respectively. The spring element always allows the locking hook to pivot towards the open position.

[0016] In one embodiment, the seat base further comprises an unlocking mechanism, the unlocking mechanism comprising: A mounting base is disposed on the mounting base and configured to drive the sliding element to slide. .

[0017] In one embodiment, the unlocking mechanism comprises a drive element and a second drive element that slidably cooperate with each other. and a mandrel having a drive element slidably mounted to the mounting base. The first mandrel is movably disposed and abuts against the slide element and is driven by the drive. When the moving element receives a force and moves, the driving element drives the first mandrel to The first mandrel can be moved along a direction intersecting the sliding direction. The push button element drives the slide element to slide.

[0018] In one embodiment, a drive chute intersecting the sliding direction of the drive element is A first guide rod is provided on the driving element and is disposed on the first mandrel. The first guide rod is inserted into the driving chute and moves along the driving chute. As the element slides, the drive chute acts on the first guide rod to drive the first mandrel. Move.

[0019] In one embodiment, the unlocking mechanism further comprises a second mandrel. The slide element is movably disposed between the first mandrel and the slide element, and the first mandrel As the mandrel moves, the first mandrel pushes the second mandrel to move in the same direction, The mandrel drives the sliding element to slide.

[0020] In one embodiment, the end of the second mandrel is provided with a driving slope. The slide element is provided with a driven slope that cooperates with the driving slope, The driving ramp acts on the driven ramp to slide the sliding element.

[0021] In one embodiment, the unlocking mechanism comprises a handle movably attached to the mounting base. the handle is connected to the drive element, the handle being adapted to move the drive element. Drive.

[0022] In one embodiment, the unlocking mechanism comprises a tension element connected between the handle and the drive element. It further comprises a pulling element.

[0023] In one embodiment, the handle is located at an end of the mounting base adjacent the display mechanism.

[0024] In one embodiment, the unlocking mechanism further comprises a fourth restoring element, , abut against the driving element and the mounting base, respectively, and the fourth restoring element The control circuit is configured to drive the element to restore the element.

[0025] In one embodiment, the unlocking mechanism comprises a first pivot element and a first pushing element; The first pivot element is pivotally connected to the mounting base, and the first pressing element is movably disposed The first pivot is disposed on the first pivot member and is operable to move the slide element. When the element is rotated under the force, the first pivot element moves the first pressing element toward the slide of the sliding element. The first pressing force can be driven to move along a direction intersecting the guide direction. The element drives the sliding element to slide.

[0026] In one embodiment, the mounting base is a drive guide that is transverse to the sliding direction of the sliding element. The second guide rod is disposed on the first pressing element. The second guide rod is connected to the first slide element, and the second guide rod is The first slide element is inserted into the movable guide groove and moves along the movable guide groove, and the second slide element rotates. The driving guide groove acts on the second guide rod to move the first pressing element. Drive.

[0027] In one embodiment, the unlocking mechanism further comprises a second pushing element and a second pivot element. The second pressing element is movably disposed between the first pressing element and the sliding element, and the second pressing element is The pivot element is pivotally connected to the second pressing element and abuts against the slide element and is connected to the first pressing element. When the pressure element moves, the first pressure element pushes the second pressure element to move in the same direction, The two pivot elements are rotated and the slide element is slid at the same time.

[0028] In one embodiment, the unlocking mechanism comprises at least one locking mechanism movably mounted to the mounting base. and a second handle connected to the first pivot element. The at least one handle drives the first pivot element to rotate.

[0029] In one embodiment, the unlocking mechanism comprises at least one handle and a first pivot element. A tension element is further provided connected therebetween.

[0030] In one embodiment, the at least one handle is on the side of the mounting base and is attached to the slide member. The side along the sliding direction of the substrate is arranged.

[0031] In one embodiment, the unlocking mechanism further comprises a seventh restoring element, , abutting against the first pivot element and the mounting base, respectively, and the seventh restoring element is The pivot element is configured to be driven to return the pivot element.

[0032] In one embodiment, the display mechanism further comprises a display window disposed on the mounting base, The area is aligned with the viewing window.

[0033] The child safety seat is made up of the aforementioned seat base and a removable seat belt. The seat body is made up of a sheet.

[0034] In one embodiment, the seat base is provided with a buckling groove, The buckle mechanism is configured to partially protrude into the buckle groove and buckle into the buckle mechanism. The buckle rod is located at the bottom of the seat body.

[0035] In order to more clearly describe the embodiments of the present invention or the technical solutions in the prior art, The following briefly describes the accompanying drawings for illustrating the embodiments or prior art. The accompanying drawings in the following description are merely some embodiments of the present invention. Other drawings can be derived from the attached drawings without any creative effort. [Brief description of the drawings]

[0036] [Figure 1] FIG. 1 is a perspective view of a seat base according to one embodiment of the present disclosure. [Diagram 2] FIG. 2 is an enlarged view of part A in FIG. [Diagram 3] FIG. 3 is a perspective view of a seat body according to one embodiment of the present disclosure. [Figure 4] FIG. 4 is a perspective view showing the internal structure of FIG. [Diagram 5] FIG. 5 is an enlarged view of part B in FIG. [Figure 6] FIG. 6 is a side view showing another internal structure of FIG. [Figure 7] FIG. 7 is an enlarged view of part C in FIG. [Figure 8] FIG. 8 is an enlarged view of the buckle mechanism of the seat base in FIG. [Figure 9] 9 is an exploded perspective view of the lock release mechanism of the seat base in FIG. 6. FIG. [Figure 10] FIG. 10 is a perspective view showing still another internal structure of FIG. [Figure 11] FIG. 11 is an enlarged view of part D in FIG. [Figure 12] FIG. 12 is an enlarged view of a portion E in FIG. [Figure 13] FIG. 13 is an enlarged view of a portion F in FIG. [Figure 14] FIG. 14 is a cross-sectional view of FIG. [Figure 15] FIG. 15 is an enlarged view of a portion G in FIG. [Figure 16]FIG. 16 is a perspective view showing still another internal structure of FIG. [Figure 17] FIG. 17 is an enlarged view of a portion H in FIG. [Figure 18] FIG. 18 is a perspective view of a child safety seat according to another embodiment of the present invention. [Figure 19] FIG. 19 is a perspective view of the seat base of the child safety seat of FIG. [Figure 20] FIG. 20 is a perspective view showing the internal structure of FIG. [Figure 21] FIG. 21 is a perspective view showing a partial structure of FIG. [Figure 22] FIG. 222 is a perspective view of the partial structure of FIG. 20 at a different viewing angle. [Diagram 23] FIG. 23 is a perspective view of another internal structure of FIG. 19, where the locking hook is in an open position. [Figure 24] FIG. 24 is an enlarged view of part I in FIG. [Diagram 25] FIG. 25 is a perspective view of another internal structure of FIG. 19, where the locking hook is in a closed position. [Figure 26] FIG. 26 is an enlarged view of part J in FIG. [Figure 27] FIG. 27 is a side view showing the internal structure of FIG. [Figure 28] FIG. 28 is an enlarged view of a portion K in FIG. [Figure 29] FIG. 29 is a side view showing the internal structure of FIG. [Diagram 30] FIG. 30 is an enlarged view of a portion L in FIG. [Diagram 31] FIG. 31 is a cross-sectional view of FIG. 20 with the sliding element in a locked position. [Diagram 32] FIG. 32 is an enlarged view of a portion P in FIG. [Diagram 33] FIG. 33 is another cross-sectional view of FIG. 20, where the sliding element is in an unlocked position. [Diagram 34] FIG. 34 is an enlarged view of a portion Q in FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0037] Hereinafter, the embodiments of the present invention will be described in more detail with reference to the accompanying drawings. Various embodiments of the present invention may be embodied in many different forms and may be described herein in various different forms. The invention should not be construed as being limited to the described embodiments. Rather, these embodiments are This disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Elements identified with the same or similar reference numbers are the same or similar parts. Refers to similar elements.

[0038] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention. As used herein, the singular forms "a," "an," and " "The" includes the plural unless the context clearly indicates otherwise. As used herein, the terms "comprises" and / or "includes" include, but are not limited to, the following: or "comprising" means any of the stated features, integers, steps, operations, elements, and / or identify the presence of a component, but not one or more other features, integers, steps excludes the presence or addition of any group, operation, element, component, and / or group thereof It will be further understood that this is not the case.

[0039] When an element is described as being "connected" or "coupled" to another element, it refers to the other element. It is understood that the elements may be directly connected or coupled, or intervening elements may be present. In contrast, an element may be "directly connected" or "directly coupled" to another element. Where the term "constitutes" is used, there are no intervening elements.

[0040] In this specification, terms such as first, second, etc. may be used to describe various elements. However, it will be understood that these elements should not be limited by these terms. These terms are only used to distinguish one element from another. Thus, A first element could be termed a second element without departing from the teachings of the present invention.

[0041] Unless otherwise defined, all terms used herein (including technical and scientific terms) are intended to be understood as meaning (including) are the same as commonly understood by a person skilled in the art to which the present invention pertains. Moreover, terms as defined in commonly used dictionaries have meanings that are relevant to the shall be interpreted as having a meaning consistent with the meaning in the context of the relevant art, Unless expressly defined as such in the specification, It will be understood that the provisions of this Agreement are not to be construed in a formal sense.

[0042] Referring to FIGS. 1, 2, and 18, an embodiment of the present disclosure is a child safety seat. The child safety seat includes a seat base 1 and a seat body 2. 2 is detachably fixed to the seat base 1. This child safety seat has a simple structure. This allows the user to easily observe the connection state between the seat base 1 and the seat body 2, and provides high safety. .

[0043] Referring to FIGS. 1 to 3, 6, 10, and 18 to 20, a seat base 1 The buckle mechanism 100, the link mechanism 200, the display mechanism 300, the lock release mechanism 400, The buckle mechanism 100 includes a seat base 1 and a seat body 2. The buckle mechanism 100 is configured to be buckled and locked. When the lock is released, the seat body 2 can be removed from the seat base 1. The mechanism 300 is configured to indicate the buckle state of the seat base 1 and the seat body 2. The link mechanism 200 is between the buckle mechanism 100 and the display mechanism 300. When the seat base 1 is fixed to the seat body 2 by a buckle, the buckle mechanism The mechanism 100 drives and moves the display mechanism 300 to change the display state of the display area to the first display state. When the seat body 2 is removed from the seat base 1, the display state of the display area is changed. Since the display state is changed to the second display state, the user can easily see the seat The fastening state between the main body 2 and the seat base 1 can be easily observed. It is possible to check that the main body 2 and the seat base 1 are completely attached. Lock The release mechanism 400 is configured to actuate the buckle mechanism 100 to unlock it. is.

[0044] Referring to FIG. 1 to FIG. 4, a mounting base 101 is provided with a buckle groove 102. The buckle mechanism 100 is attached to the inside of the mounting base 101. The lock hook 110 (described in detail later) protrudes into the buckle groove 102. A buckle rod 201 for buckling to the lock hook 110 is disposed at the bottom of the 2. The buckle rod 201 is buckled into the buckle groove 102, and the lock hook 11 is 0, and the seat base 1 and the seat body 2 are buckled. When the lock 201 is disengaged from the lock hook 110, the seat body 2 is disengaged from the seat base 1. It's possible.

[0045] In the illustrated embodiment, the mounting base 101 is provided with four buckle grooves 102, and the seat base Two buckle grooves 102 are provided at the front and rear ends of the strap 1, and the two buckle grooves at both ends 102 may be provided at intervals. Correspondingly, four buckle mechanisms 4, each buckle mechanism 100 is provided with a corresponding buckle groove 102. The locking hooks 110 of each buckle mechanism 100 are correspondingly arranged in the buckle grooves 102. The seat body 2 has four or two buckle rods 201 at its bottom. The belt is fastened to the four buckle grooves 102. The number of the buckle rods 201 is not limited to the above, and may be increased as necessary. It should be appreciated that this can be flexibly configured.

[0046] 4, 5, 8, 12 and 13, the structure of the four buckle mechanisms 100 is shown. The two buckle mechanisms 100 at the front end of the seat base 1 are arranged symmetrically. The two buckle mechanisms 100 at the rear end of the seat base 1 are disposed symmetrically. Specifically, the seat base 1 is provided with a fastening plate 103 extending in the vertical direction. Each buckle mechanism 100 is disposed corresponding to a fastening plate 103. The specific structure of the buckle mechanism 100 will be described in detail below using an example of the buckle mechanism 100.

[0047] 4 and 5, the buckle mechanism 100 includes a locking hook 110 and a fastening member. a fifth restoring element 130, a stopper 140, and a sixth restoring element 150; A sliding element 160 and a third restoring element 170 .

[0048] Specifically, referring to FIG. 2 and FIG. 5, the locking hook 110 is connected to a pivot shaft (pi The voting shaft 113 is pivotally connected to the fastening plate 103 and can be moved between an open position and a closed position. The lock hook 110 has a hook portion 111 that protrudes into the buckle groove 102. A locking groove 112 is provided below the hook portion 111. When the locking hook 110 is in the closed position, the buckle rod 201 (see FIG. 3) When the locking hook 110 is in the open position, the back The lock rod 201 can be disengaged from the lock groove 112 .

[0049] Specifically, referring to FIG. 5 and FIG. 13, the fastening element 120 is connected to the pivot shaft 113. via a pivotally connected to the side of the locking hook 110 remote from the fastening plate 103. The fifth restoring element 130 is connected to each of the fastening element 120 and the locking hook 110. The fifth restoring element 130 prevents the locking hook 110 from rotating toward the open position. Always make it possible.

[0050] Specifically, referring to FIG. 2 and FIG. 5, one end of the stopper 140 is connected to the fastening plate 1. 03, and the pivot shaft of the stopper 140 is pivotally connected to the lock hook 1 The other end of the stopper 140 is parallel to the pivot shaft 113 of the fastening element 12. 0 and is pivotally connected to the locking hook 110, and the stopper 140 is fastened. The sixth restoring element 150 may abut against the connecting element 120. The sixth restoring element 150 is attached to the shaft, and both ends of the sixth restoring element 150 are respectively connected to the fastening plate 103 and the shaft. The sixth restoring element 150 abuts against the topper 140 and always holds the locking hook 110 in the open position. More specifically, the stopper 140 can be rotated on the lock hook 110 side. The protruding portion 141 is formed in the buckle groove 1 It protrudes into 02.

[0051] 2, 5 and 8, the buckle rod 201 is moved to the buckle groove 102. During the process of fastening the buckle, the buckle rod 201 pushes the hook portion 111, so that the lock hook 110 The fifth restoring element 130 rotates against the elastic force of the fifth restoring element 130, and the hook portion 111 is thus rotated against the elastic force of the fifth restoring element 130. The buckle rod 201 rotates to be located above the buckle rod 201. During the rolling process, the protrusion 141 of the stopper 140 is further pressed, and the elastic force of the sixth restoring element 150 In this process, the stopper 1 40 drives the end of the lock hook 110 connected to the stopper 140 to move. The locking hook 110 is pivotally driven further to the closed position. Since the buckle rod 201 can be buckled quickly by receiving a double force, The seat head 201 is buckled to the lock hook 110 more quickly and easily, and the seat body 2 is Moreover, when the locking hook 110 is in the closed position, The stopper 140 abuts against the fastening element 120 and keeps the locking hook 110 locked stably. Hold.

[0052] Correspondingly, in the process of pivoting the locking hook 110 to the open position, the stop The stopper 140 is restored under the action of the sixth restoring element 150. In other words, the stopper 1 40 pivots upwards and no longer abuts against the fastening element 120, and the stopper 14 0, and move the end of the lock hook 110 toward the open position. The fifth restoring element 130 and the sixth restoring element 131 generate a force that drives the fifth restoring element 130 to pivot. Under the cooperation of the element 150, the locking hook 110 can be quickly opened, and the buckle The rod 201 is released more easily and quickly, and the seat body 2 is quickly removed.

[0053] Specifically, the slide element 160 is movably disposed on the mounting base 101, and the slide The locking element 160 can abut against the four locking hooks 110, thus, referring to Figs. By reference, the four locking hooks 110 are simultaneously maintained in the open or closed position. I guarantee it.

[0054] 4, 10-13, and 23-26, slide element 160 The blocking portion 161 is substantially rectangular in shape. The four block portions 161 are disposed at the four corners of the lock frame 160, respectively. The slide element 160 is adapted to switch between a locked position and an unlocked position. When the slide element 160 is in the locked position, the four blocks of the slide element 160 The locking portion 161 simultaneously holds the four locking hooks 110 in the closed position. When 60 slides in the direction indicated by arrow F1 to the unlocked position, the four locking The lock 110 pivots to the open position, after which the four block members 161 relock. The locking hook 110 can be abutted against the locking hook 110 to maintain the locking hook 110 in the open position. The slide element 160 simultaneously drives the four lock hooks 110 to lock and unlock. The third restoring element 170 is connected to the sliding element 160 at one end thereof. The other end of the third restoring element 170 is fixed to the mounting base 101. Element 170 always allows sliding element 160 to slide toward the locked position. The elastic force of the third restoring element 170 presses the sliding element 160 against the locking hook 110. The sliding element 160 ensures that the locking hook 11 always has a fastening force. 0 can be kept in the closed or open position.

[0055] 4 and 9, the third restoring element 170 may be a tension spring. In the illustrated embodiment, the spacing is not limited to the above, and other elastic members may be selected. There are two third restoring elements 170 arranged at a distance from each other. The front end of the third restoring element 170 is connected to the sliding element 160, and the rear end of the third restoring element 170 is connected to the mounting base 1 01. The third restoring element 170 is connected to the slide element 160 of the mounting base 101. The third restoring element 170 has a certain force pulling toward the rear end. The slide element 160 moves in the direction opposite to that shown by the arrow F1 in FIGS. 10. The mounting base 101 is always movable along the direction Therefore, the block portions 161 abut against the front side surfaces of the lock hooks 110 . In another embodiment, referring to FIGS. 23-26, the slide element 160 may alternatively include: It should be understood that the lock hook 110 may abut against the rear side of the lock hook 110. In this case, the third restoring element 170 exerts an opposing force on the sliding element 160 .

[0056] Referring to FIGS. 1 to 5, 8, 12 and 13, the buckle rod 201 is The hook portion 111 of the hook 110 is pressed downward to pivot the hook portion 111. After the lock hook 110 is driven in this manner, the hook portion 111 of the lock hook 110 is positioned above the buckle rod 201. That is, the locking hook 110 is pivoted to the closed position. In the process, the locking hook 110 allows deformation of the fifth restoring element 130. When 110 is in the closed position, the sliding element 160 abuts against the lower end of the locking hook 110. Therefore, the locking hook 110 maintains the closed position. When slid along the direction to the unlocked position, the locking hook 110 engages with the sliding element 16 The force from 0 is lost, and the fifth restoring element 130 recovers from the deformation, and the locking hook 110 is moved to the position shown in FIG. 12 and 13 to automatically pivot to an open position along the direction indicated by arrow F3. In this manner, the buckle rod 201 is driven to be locked from the lock hook 110. Since the lock is released, the buckle rod 201 is released from the buckle groove 102 of the lock hook 110. The seat body 2 can be detached from the seat base 1. For the locking hook 110 in the locking position, the sliding element 160 is in contact with the third restoring element 170. When the force is applied, the lock hook 110 abuts against the lower end of the lock hook 110 again, and the lock hook 110 returns to the open position. and cannot be closed.

[0057] In the illustrated embodiment, the slide element 160 moves to drive the linkage 200 to display A mechanism 300 changes the display state.

[0058] Specifically, referring to Figures 6, 7, 10 and 11, the link mechanism 200 includes: A link element 210, a first return element 220, a rotation element 230, a push button 240, and and a second restoring element 250.

[0059] 6, 7 and 11, the link element 210 is movable to the mounting base 101. The link element 210 is attached to the display area, and one end of the link element 210 is connected to the display area. 10 has a first indication position and a second indication position opposite each other. When the first restoration element 220 is in a different display position, the display area is in a different display state. is disposed between the link element 210 and the mounting base 101, see Figs. 10 and 16 Then, the first restoring element 220 moves the link element 210 toward the second designated position. This will always be possible.

[0060] 9, 10, 11 and 17, the rotating element 230 is substantially L-shaped. The intermediate portion of the rotating element 230 is pivotally connected to the mounting base 101. The rotating element 230 has a first connecting end 231 and a second connecting end 232. The connecting end 231 and the second connecting end 232 are angled with respect to the pivot shaft of the rotating element 230. The first connecting end 231 is pivotally connected to the link element 210 and the second connecting end 232 is pivotally connected to the link element 210. End 232 has a vertically extending abutting portion 233, i.e., 233 extends along the axial direction of the pivot shaft of the rotating element 230. The push button 240 is located below the push button 240 and abuts against the push button 240. When the button 240 acts on the abutment 233, the rotating element 230 can be driven to rotate. Furthermore, the slide element 160 has a push protrusion 16 2, and the pressing protrusion 162 slidably cooperates with the upper end of the push button 240. When the slide element 160 slides, the pressing protrusion 162 presses the push button 240. That is, the sliding direction is opposite to the direction indicated by the arrow F2 in FIG. and slide.

[0061] 9, 11 and 15, the upper end of the push button 240 has a push button. A protrusion block 241 is provided to protrude along the radial direction of the button 240. The second restoring element 250 is sleeved on the push button 240. The second restoring element 250 abuts against the mounting base 101 and the protruding block 241, respectively. When the push button 240 is pressed by the buckle mechanism 100, It always allows you to move in the opposite direction to the direction of your movement.

[0062] 1, 16, and 17, the display area of ​​the display mechanism 300 is a first display. A first display area 310 and a second display area 320, both of which are spaced apart from the rotating element 230. The first display area 310 and the second display area 320 are located at the end of the linked link element 210. can be different colors, patterns, or other warning signs. In this embodiment, the first display area 310 is colored green and the second display area 320 is colored red. The state of the locking hook 110 can be clearly indicated.

[0063] 1 and 4, the display mechanism 300 is attached to the front end of the mounting base 101. The first display area 310 and the second display area 32 further include a display window 330 provided therein. 0 is provided below the display window 330. When the link element 210 moves, the first table The display area 310 and the second display area 320 selectively face the display window 330. The first display area 31 is switched between a first display state and a second display state. 0 corresponds to the first display state and second display area 320 corresponds to the second display state.

[0064] 10, 11, 16 and 17, the seat base 1 is attached to the seat body 2. In the process of being fastened by the fastener, the slide element 160 is moved in the direction indicated by the arrow F1 in FIG. 10 and FIG. The sliding element 160 has a pressing protrusion 162 which moves in the opposite direction to that shown in FIG. Since the push button 240 is pressed downward, the push button 240 moves downward, i.e. , moving along a direction opposite to that shown by arrow F2 in Figs. 11 and 15 During this process, the second restoring element 250 is compressed and deformed. In the process of moving downward, the abutment portion 233 of the rotating element 230 is pressed, so that the rotating element 230 7 and 11, the rotation element 230 is rotated about the pivot shaft of the rotation element 230 in the direction indicated by the arrow F5. Therefore, the first connecting end 231 of the rotating element 230 is pivotally rotated as shown in FIG. 11, the link element 210 is driven to slide along the direction indicated by the arrow F4. During this process, the link element 210 pushes the first restoring element 220, When the seat body 2 is completely buckled and fixed to the seat base 1, the lock hook The lock 110 is rotated to the closed position and the sliding element 160 holds the push button 240 in the lower position. In other words, the link element 210 is in a locked position that holds the link element 210 in place, and the link element 210 slides to the first indicated position. 3, the first display area 310 (the green area) is aligned with the display window 330, i.e. The display area is in the first display state, and the seat body 2 is completely buckled and fixed to the seat base 1. This indicates that the

[0065] When the seat body 2 is removed from the seat base 1, the lock hook 110 is released. When the slide element 160 moves in the direction indicated by the arrow F1 in FIG. The pressing protrusion 162 provided on the push button 240 is released from the push button 240. 11. Then, under the biasing force of the second restoring element 250, the second restoring element 250 moves upward along the direction indicated by the arrow F2 in FIG. At the same time, the first restoring element 220 recovers from the deformation and slides to the link element 210. 10 and 11. When the link element 210 slides to the second display position, , the second display area 320 (red area) is aligned with the display window 330, i.e. The display state is driven to switch to the second display state, and the seat base 1 is driven to switch to the seat main body 2 Indicates that the .

[0066] In an embodiment, referring to Figs. 4, 6 to 11, 14 and 15, the lock The release mechanism 400 includes a drive element 410, a first mandrel 420, and a second mandrel 430. , a fourth restoring element 440 , a handle 450 , and a pulling element 460 .

[0067] 4, 6 to 11, 14 and 15, the drive element 410 is The base 101 may be movably mounted to the first and second positions opposite each other. The first mandrel 420 is movably disposed and is connected to the drive element 410 and the slider 422. The direction of movement of the first mandrel 420 is substantially the same as the direction of movement of the drive element 410. The second mandrel 430 is inserted into the push button 240 and is movably positioned The second mandrel 430 has two ends each connected to the first mandrel 420 and The first mandrel 420 abuts against the slide element 160 and the second mandrel 430 is held in the same The driving element 410 is shown in Figs. 7, 10, 11, 14 and 15. When the first mandrel moves under the force in the direction shown by the arrow F4, The wheel 420 is driven to move along the direction indicated by the arrow F2 to form a second Push mandrel 430 to move along the direction indicated by arrow F2 to slide The lock element 160 is driven to move along the direction indicated by the arrow F1 to The locking hook 110 is no longer in contact with the locking hook 110 until the locking hook 110 is in the open position. It can pivot.

[0068] 7 and 9, the driving elements 410 are arranged in a cross-sectional driving chute 411. and a slide groove 412. The slide groove 412 extends along the sliding direction. A mounting block 104 is disposed on the mounting base 101. The third guide rod 105 is disposed on the mounting block 104, and the third guide rod 105 is The driving element 4 is inserted into the slide groove 412 and slides along the slide groove 412. 10 is slidably coupled to the mounting block 104. The first mandrel 420 is The first guide rod 421 is slidably connected to the attachment block 104. A first guide rod 421 is disposed on the mandrel 420 and inserted into the driving chute 411. The first mandrel 420 is driven by the driven chute 411 and can slide along the driven chute 411. The drive element 410 is slidably coupled to the drive element 410. The drive element 410 is shown in FIGS. 14 and 15, from the first position to the second position along the direction indicated by the arrow F4. When sliding to position 2, the driving chute 411 is driven by the first guide rod 421. 2. Using the arrow F2, move the first mandrel 420 upward along the direction indicated by the arrow F2. The fourth restoring element 440 drives the drive element 410 and the mounting block 104. During the process of the driving element 410 sliding to the second position, the fourth restoring element 440 is compressed so that the fourth restoring element 440 always moves the driving element 410 to the first position. Allows you to move towards

[0069] 9 and 15, the second mandrel 430 is attached to the mounting base via a pin element. The first mandrel of the second mandrel 430 is slidably connected to the first mandrel of the second mandrel 430. At the end remote from 420, a drive slope 431 is provided. The associated follower slope 163 is disposed substantially in the center of the slide element 160. As the mandrel 430 moves upward in the direction indicated by the arrow F2, the drive slope 43 1 acts on the driven slope 163 to move the slide element 160 in the direction indicated by the arrow F1. Move.

[0070] 1, 4, 6 and 7, the handle 450 is adjacent to the display mechanism 300. The seat base 1 is provided at the front end thereof so that the user can easily operate it. The tension element 460 is connected between the handle 450 and the drive element 410. When the handle 450 is operated, the tension element 460 pulls the drive element 410. , sliding from the first position to the second position. The tension element 460 is a steel wire The material may be, but is not limited to, a rope having the desired toughness and strength. Other similar parts are also possible.

[0071] 4, 6 to 11, 14 and 15, the driving element 410 is in a first position. 7, 11 and 15, the first mandrel 420 is In this case, the slide is retracted into the substrate 410 and the fourth restoring element 440 is in its natural state. The hand element 160 is in the locked position and the locking hook 110 is maintained in the closed position. When the handle 450 is pulled, the handle 450 moves in a direction perpendicular to the axis of the pull element 460 as shown in FIGS. 11, slide along the direction indicated by the arrow F4 shown in FIG. 14 and FIG. 15. In the process, the driving element 410 pulls the fourth restoring element 44. During the process of the driving element 410 sliding, the driving chute 411 drives the first mandrel 420 to slide upward along the direction indicated by the arrow F2. Then, the first mandrel 420 moves up the second mandrel 430 in the direction indicated by the arrow F2. The drive ramp 431 on the second mandrel 430 is pushed in the direction of the slide. The slide element 160 is moved to the unlocked position as indicated by arrow F1. The actuation slope 163 acts to move the slide element 160 along the direction. During the riding process, the third restoring element 170 is further stretched. When the locking hook 110 is moved to the unlocked position, the locking hook 110 is subjected to the action of the fifth restoring element 130. This allows it to automatically pivot open.

[0072] After the handle 450 is released, the driving element 410, under the action of the fourth restoring element 440, The first mandrel 420 is then moved downward in the direction opposite to that shown by the arrow F2. The second mandrel 430 also slides downward along this direction. As the slide element 160 loses the force of the second mandrel 430, the third The locking hook 110 is restored by the action of the restoring element 170, thereby pressing the locking hook 110 again. The lock hook 110 is maintained in the open position.

[0073] In another embodiment, referring to FIGS. 22 to 34, the unlocking mechanism 400 includes a first Pivot element 410a, first pressing element 420a, second pressing element 430a, second pivot element 440a, a seventh restoring element 450a, a handle 450, and a pulling element 460.

[0074] Specifically, the first pivot element 410a is a substantially triangular sheet. The positions of the three vertices of the element 410a are respectively set at the first pivot point with reference to FIG. 28 and FIG. 30. The first pivot end 411a has a drive end 412a, and a free end 413a. , pivotally connected to the mounting base 101 and connected to one end of the tension element 460; The first pivot element 410a is rotated around the first pivot end 411a in a third position or a fourth position. The mounting base 101 is provided with a mounting cylinder 106. The mounting cylinder 106 has a drive guide along the direction F2 in FIG. 28 and FIG. 30. The first pressing element 420a is substantially cylindrical and has a mounting cylinder. The second guide rod 421a is slidably disposed in the holder 106. 34, the second guide rod is disposed on the first pressing element 420a. 421a is inserted into the drive guide groove 107 and moves along the drive guide groove 107. Thus, the first pressing element 420a is slidably connected to the mounting cylinder 106. The guide rod 421a extends from the drive guide groove 107 into the mounting cylinder 106. The first pivot element 410a is connected to the movable end 412a in FIG. When the first pivot element is rotated in the direction indicated by the arrow F8 from the third position to the fourth position, The driving end 412a of the element 410a is aligned with the driving guide groove 107 in the direction indicated by the arrow F2. At the same time, the drive guide groove 107 acts on the second guide rod 421a. Then, the first pressing element 420a is moved in the direction indicated by the arrow F2 with reference to FIGS. The actuator is driven to move upward along the axis.

[0075] 32 and 34, the second pressing element 430a is a first pressing element 420. a and the slide element 160. The second pressing element 430a is 1, the second pivot element 440a is rotatably disposed within the mounting groove 431a. The outer side of the bottom wall of the mounting groove 431a abuts against the first pressing element 420a. The pivot element 440a is a substantially triangular seat structure. Each of the two vertex positions has a second pivot end 441a and an abutment end 442a. The pivot end 441a is pivotally connected to the side wall of the mounting groove 431a, and the abutment end 442a is The abutment protrusion block 1 is configured to abut against the ride element 160. 64 may be disposed around the middle position of the slide element 160, and the abutment end 442a may be disposed around the middle position of the slide element 160. The first pivot element 410a is configured to abut against the contact block 164. When it rotates in the direction shown by the arrow F8 in Figures 27 and 29, The first pressing element 420a is driven to move in the direction indicated by the arrow F2, 32 and 34, the pressing element 430a is pressed to move the second pivot element 440a to the In this way, the abutment end 442a can be rotated in the direction indicated by the arrow F9. pushes the abutment protrusion block 164 to move the slide element 160 as shown by the arrow F1. 110. Then, the lock hook 110 is moved in the opposite direction to the lock hook 110 so that it no longer abuts against the lock hook 110. 23 to 26, the locking hook 110 can be pivotally rotated to an open position. Make sure that.

[0076] 32 and 34, the seventh restoring element 450a is a first pivoting element. The first pivot element 410a abuts against the mounting base 101. In the process of rotating along the direction shown by the arrow F8 in FIG. 7 and FIG. 29, the seventh restoration element The seventh restoring element 450a is compressed. Thus, the seventh restoring element 450a is compressed relative to the first pivot element 41. 0a along the direction opposite to the direction indicated by the arrow F8 shown in FIG. 27 and FIG. 29. This allows the rotation to always have a tendency to be restored.

[0077] 19 and 20, there are two handles 450. The mounting base 101 and the mounting base 101 are disposed on both sides of the mounting base 101 and exposed on the side surfaces of the mounting base 101. In the above embodiment, the handle 450 is designed to facilitate user operation. The handle 450 is disposed at the front end of the mounting base 101, whereas the handle 450 is disposed at the front end of the mounting base. By disposing the switch 101 on the side of the switch 101, the operation can be made easier. In general, the front end of the mounting base 101 is blocked by the seat body 2 or the front car seat and cannot be reached. Although it is difficult to reach, the side of the mounting base 101 faces the operator directly and is therefore easy to operate. This is the case.

[0078] 20, 27, and 29, there are two corresponding tension elements 460: Each tension element 460 includes a handle 450 on the side of the tension element 460 and a first pivot element 410a. When the handle 450 is operated, the tension element 460 is pulled, The first pivot element 410a is rotated from the third position to the fourth position. By operating the handle 450 upward, the first pivot is pulled using the pulling element 460. In another embodiment, the handle 450 can be The tension element 460 may be a steel wire rope or may be operated by other means. The material may be, but is not limited to, other similar parts having the desired toughness and strength. Specifically, the mounting base 101 is provided with a guide element 108, An arc-shaped guide portion is provided on the base 108. One end of the tension element 460 is connected to the tension element 46 The other end of the tension element 460 connected to the handle 450 on either side of the arrow F6 (i.e., the horizontal width of the mounting base 101) , and is guided by the guide element 108 around the guide portion in the direction indicated by the arrow F7 (i.e. , the length direction of the mounting base 101) is coupled to a first pivot element 410a.

[0079] 21 to 34, when the first pivot element 410a is in the third position, The first pressing element 420a is located at a relatively low position within the mounting cylinder 106, see FIG. Then, the seventh restoring element 450a is in its natural state. In this case, the sliding element 160 is in its natural state. 30, the lock hook 110 is in the closed position. 50 is urged via a tension element 460 to rotate along the direction indicated by the arrow F8 shown in FIG. 410a is pulled to pull the first pivot element 410a. The first pivot element 410a acts on the seventh restoring element 450a, causing it to deform. In the rotation process of a, the drive guide groove 107 rotates the first pressing element 420a as shown by the arrow F2. Next, the first pressing element 420a is driven to slide upward in the direction of the second pressing element 420b. The pressing element 430a is pushed so as to slide upward along the direction indicated by the arrow F2, and the second pressing element 430b is pushed so as to slide upward along the direction indicated by the arrow F2. The side or bottom wall of the mounting groove 431a of the pressure element 430a supports the second pivot element 440a as shown in FIG. The rotation is made in the direction indicated by the arrow F9. As a result, referring to FIG. The sliding element 160 moves in the direction of the arrow F1 until the sliding element 160 moves to the unlocked position. 3, thereby driving the sliding element 160 to move along a direction opposite to that shown. In this manner, the abutment end 442a4 abuts against the abutment protrusion block 164. During the sliding process, the third restoring element 170 is further stretched. When the locking hook 60 is moved to the unlocked position, the locking hook 110 is acted upon by the fifth restoring element 130. This allows it to automatically pivot open.

[0080] After the handle 450 is released, the first pivot element 410a is rotated by the seventh return element 450a. 4, the first pressing element 420a is restored to the third position by the action of the arrow F2. 32, the second The pushing element 430a also slides downward in this direction. The element 440a rotates in the direction opposite to the direction indicated by the arrow F9, and the abutment protrusion block 1 64. The sliding element 160 loses the force of the second pivot element 440a. Therefore, under the action of the third restoring element 170, the lock is restored, as shown in FIG. The locking hook 110 is pressed again to maintain the locking hook 110 in the open position.

[0081] Referring to Figs. 1 to 34, the operation principle of a seat base 1 for a child safety seat will be described. This will be explained in further detail.

[0082] When the seat body 2 is not buckled to the seat base 1, the fifth restoring element 13 Under the elastic force of 0, the locking hook 110 is in the open position shown in Figures 5 and 6. 6, the slide element 160 is in the unlocked position of FIG. 6, and the link element 210 is in the second position. i.e., the second display area 320 (red area) is aligned with the display window 330. do.

[0083] The buckle rod 201 of the seat body 2 is buckled into the buckle groove 102 of the seat base 1. When this is done, the buckle rod 201 pushes the hook portion 111 of the lock hook 110 downward. The hook portion 111 is driven so as to pivot about the pivot shaft 113. The locking hook 110 is driven to overcome the elastic force of the fifth restoring element 130, and the hook The buckle portion 111 rotates to a position above the buckle rod 201 and moves into the buckle groove 102. The buckle rod 201 is locked by the lock hook 110. After pivoting to the center, the stopper 140 abuts against the fastening element 120 and the locking hook 11 0 to maintain a stable lock. The lock hook 110 rotates and engages with the buckle rod 201. After being buckled, the sliding element 160 is subjected to the elastic force of the third restoring element 170, as shown in FIG. 4, the direction opposite to that shown by the arrow F1 in Figs. 6, 10, 11 and 14. 110. The lock hook 110 is then slid along the direction of the arrow A and abuts against the lock hook 110 again, and the lock hook 110 is placed in the closed position. Maintain position.

[0084] During the sliding process, the sliding element 160 is pressed against the downward pressing protrusion of the sliding element 160. 11, 14, and 15. The actuator 162 is driven to move downward along the direction indicated by the arrow F2 in FIG. Push button 240 is pressed to move the 11, acts on the contact portion 233 of the rotating element 230, and the rotating element 230 moves in the direction of the arrow F5 shown in FIG. 2. The rotating element 230 pivots about the pivot shaft along the direction indicated by the arrows. The first connecting end 231 of the rotating element 230 is shown by the arrow F4 in FIGS. The link element 210 is swung to slide along the direction of the first surface. The display area 310 (green area) is aligned with the display window 330, and the seat body 2 is attached to the seat base 1. In addition, the push button 240 moves downwards to indicate that the buckle is secured. In the process, the second restoring element 250 is pressed and deformed, and the link element 210 slides past the restoring element 250. During this process, the first restoring element 220 is pressed and deformed.

[0085] When the seat body 2 needs to be removed from the seat base 1, in the embodiment, the user The handle 450 is pulled, and the handle 450 drives the driving element 410, as shown in FIG. Slide along the direction shown by arrow F4 in Figures 11, 14 and 15 to the second position. In this process, the driving element 410 drives the first mandrel 420 in the direction indicated by the arrow F2. The first mandrel 420 is then driven to move upward along the Push mandrel 430 to continue moving in this direction until the drive slot of the second mandrel 430 The slope 431 acts on the follower slope 163 of the slide element 160 to move the slide element 16 0 is driven to move along the direction indicated by the arrow F1, and the four The block portion 161 no longer abuts against the locking hook 110. In this case, the locking hook 110 is automatically pivoted to the open position by the action of the fifth restoring element 130, and the hook portion 111 rotates away from the buckle groove 102. In this case, the seat The seat body 2 can be removed by lifting it up.

[0086] In the process of the sliding element 160 moving in the direction indicated by the arrow F1, The pressing protrusion 162 of the element 160 gradually moves away from the push button 240. Therefore, the push button 240 no longer exerts a downward force on the second return. Under the action of the original element 250, the push button 240 moves upward and returns to its original position, i.e., 11, 14, and 15, the arrow F2 moves upward along the direction shown. , after which it no longer exerts a force on the abutment 233 of the rotating element 230. The element 210 is restored by the action of the first restoring element 220, i.e., as shown by the arrow F4. The second display area 320 (red area) is displayed again. 330, and that the seat body 2 is not buckled to the seat base 1. show.

[0087] In another embodiment, the user manipulates a handle 450, which is shown in FIG. and rotated along the direction indicated by arrow F8 in FIG. 29 to a fourth position. In this process, the first pivot element 410a is driven. , so as to move the first pressing element 420a upward along the direction indicated by the arrow F2. The first pressing element 420a then presses the second pressing element 430a, and in this way As the second pressing element 430a continues to move in the direction of the second pivot element 440a, the second pressing element 430a pushes the second pivot element 440a. The pivot element 440a rotates in the direction indicated by the arrow F9 in FIGS. The abutment end 442a of the second pivot element 440a is in contact with the abutment protrusion blank of the sliding element 160. 16, which acts on the lock 164 and moves the sliding element 160 in the direction opposite to that shown by the arrow F1. 3, so that the four block portions 161 on the slide element 160 engage with the locking hook 110. In this case, the locking hook 110 is no longer in contact with the fifth restoring element 13. 0, the hook portion 111 is automatically pivoted to the open position and disengaged from the buckle groove 102. In this case, lift the seat body 2 from the seat base 1 and rotate the seat The main body 2 can be removed.

[0088] In the process of the sliding element 160 moving in the direction opposite to the direction indicated by the arrow F1, The pressing protrusion 162 of the slide element 160 gradually moves away from the push button 240. The push button 240 no longer exerts a downward force. 240 moves upward and returns to its original position under the action of the second return element 250, i.e., the push The button 240 is moved up and down along the direction indicated by the arrow F2 in FIG. 230 and then no longer exerts a force on the abutment 233 of the rotating element 230. , the link element 210 is restored by the action of the first restoring element 220, i.e., the arrow F 4, and slides along the opposite direction to the direction indicated by 4 to the second display area 320 (red area ) is again aligned with the display window 330, and the seat body 2 is buckled and fixed to the seat base 1. Indicates that there is no

[0089] In conclusion, according to the seat base 1 of the present disclosure, the link mechanism 200 is a buckle mechanism 1 The buckle mechanism 100 is disposed between the seat base 1 and the display mechanism 300. The buckle mechanism 100 is attached to the seat body 2. When the seat is buckled into or unbuckled from the seat 2, the link function The structure 200 can drive the display area to present different display states. Therefore, the user can easily see the connection state between the seat base 1 and the seat body 2. The seat base 1 is more convenient and safer to use. The manufacturing difficulty and cost are low.

[0090] The technical features of the above-described embodiments can be combined in any manner. Therefore, all possible combinations of the various technical features in the above embodiments are described. However, as long as the combination of these technical features does not cause a contradiction, Combinations are intended to be included within the scope of this disclosure.

[0091] The above embodiments are merely enumerated and are not described in detail. However, it should not be understood as limiting the scope of the present invention. For example, several further improvements and modifications can be made without departing from the spirit of the present invention. It should be noted that these improvements and modifications are also within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the appended claims.

Claims

1. A seat base for a child safety seat, comprising: A mounting base; A buckle mechanism configured to be buckled and fixed to the seat body, The buckle mechanism includes: A lock hook configured to be removably fixed to the seat main body; A slide element disposed on the mounting base; and a lock release mechanism, The lock release mechanism includes: a first pivot element pivotally connected to the mounting base; a first pressing element movably arranged and actuatable to move the sliding element, When the first pivot element rotates, the first pivot element drives the first pressing element to move along a direction intersecting the sliding direction of the sliding element, and the first pressing element slides the sliding element. Seat base.

2. The seat base according to claim 1, wherein the first pressing element is provided with a guide rod connected to a drive end of the first pivot element, and when the first pivot element rotates, the drive end moves along a direction intersecting the sliding direction of the slide element.

3. 2. The seat base according to claim 1, wherein the mounting base is provided with a drive guide groove extending in a direction intersecting the sliding direction of the slide element, and the first pressing element is provided with a guide rod, the guide rod is connected to the first pivot element, the guide rod is inserted into the drive guide groove, and moves along the drive guide groove.

4. 2. The seat base according to claim 1, wherein the unlocking mechanism further comprises a second pressing element movably arranged between the first pressing element and the slide element, and when the first pressing element moves, the first pressing element pushes the second pressing element to move in the same direction.

5. 2. The seat base according to claim 1, wherein the unlocking mechanism further comprises a second pressing element and a second pivot element, the second pressing element being movably disposed between the first pressing element and the sliding element, the second pivot element being pivotally connected to the second pressing element and abutting against the sliding element, and when the first pressing element moves, the first pressing element pushes the second pressing element to move in the same direction, and rotates the second pivot element to push the sliding element to slide.

6. 2. The seat base according to claim 1, wherein the unlocking mechanism further comprises a restoring element, the restoring element abutting against the first pivot element and the mounting base, respectively, and the restoring element configured to drive the first pivot element to restore it.

7. The lock release mechanism further includes: at least one handle movably mounted to the mounting base and coupled to the first pivot element; a tension element coupled between the at least one handle and the first pivot element; The seat base of claim 1 , wherein the at least one handle is operable to rotate the first pivot element via the tension element.

8. 8. The seat base of claim 7, wherein a guide element is provided on the mounting base, one end of the tension element is connected to the at least one handle, the other end of the tension element enters the mounting base along a first direction of the mounting base, and the other end of the tension element is guided by the guide element to be connected to the first pivot element along a direction intersecting the first direction.

9. The seat base according to claim 7, wherein two of the handles are disposed on either side of the mounting base, and two of the tension elements are provided, each of the tension elements being connected between the handle and the first pivot element.

10. 2. The seat base of claim 1, wherein the locking hook has an open position and a closed position, the sliding element has a locked position and an unlocked position, and when the sliding element is in the locked position, the locking hook is in the closed position, and when the sliding element is in the unlocked position, the locking hook is in the open position.

11. The seat base according to claim 1 , wherein the locking hook has an open position and a closed position, and the sliding element is configured to maintain the locking hook in the open position or the closed position.

12. Further comprising a display area and a link mechanism; The link mechanism includes: a rotational element rotatably coupled within the mounting base; a link element connected to the rotation element and the display area, 2. The seat base of claim 1, wherein when the buckle mechanism is buckled to the seat body, the rotating element rotates to drive the link element and drive the display area to present a first display state, and when the buckle mechanism is unbuckled from the seat body, the rotating element rotates to drive the link element and drive the display area to present a second display state.

13. The link mechanism further includes a push button movably disposed on the mounting base, the push button abutting against the buckle mechanism and the rotating element, respectively, the buckle mechanism being operable to slide the push button, and the push button pushing the rotating element to rotate it.

13. A seat base according to claim 12.

14. The seat base according to claim 11, wherein the buckle mechanism further comprises a restoring element, the restoring element abutting against the sliding element and the mounting base, respectively, and the restoring element always allows the sliding element to move in a direction that maintains the locking hook in the open position.

15. 12. The seat base of claim 11, wherein the buckle mechanism further comprises a fastening element attached to the mounting base and a restoring element connected to the fastening element, the locking hook being pivotally connected to the fastening element and abutting against the restoring element, the restoring element always allowing the locking hook to rotate toward the open position.

16. 12. The seat base of claim 11, wherein the buckle mechanism further comprises a stopper and a restoring element, one end of the stopper is pivotally connected to the mounting base and the other end of the stopper is connected to the locking hook, the restoring element abuts against the stopper and the mounting base, respectively, and the restoring element always allows the locking hook to rotate toward the open position.

Images