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 claims the priority of Chinese Patent Application No. 2020114410863, entitled "Child Safety Seat and Child Safety Seat Base", filed on December 11, 2020, and the entire disclosure thereof is incorporated herein by reference. The present invention relates to the technical field of transportation tools for infants, and particularly to child safety seats and seat bases.

Background Art

[0002] A child safety seat needs to be correctly used to protect children. A child safety seat mainly includes a seat body and a seat base. When in use, the seat base is connected to the seat of an automobile, and the seat body is fastened to the seat base in the forward or reverse direction. Currently, most child safety seats do not have a device for warning the installation state or use state. When installing a child safety seat for a user, whether the seat body and the seat base are completely buckled is judged subjectively by the operator. As a result, due to human error in judgment, it is easy to pose a danger to the sitting child.

Summary of the Invention

Problems to be Solved by the Invention

[0003] ​​​​​​​​​​​​​Based on this, it is necessary to provide a child safety seat and seat base. The ild safety seat and seat base have a simple structure, and the seat base and seat body The connection status is easy to observe, making it highly secure. [Means for solving the problem]

[0004] The seat base of the child safety seat is secured to the seat body with a buckle. A buckling mechanism configured as such, and the seat base and seat body A display mechanism (indication mec) equipped with a display area that shows the body's buckling state. The linkage mechanism is positioned between the buckle mechanism and the display mechanism. The buckle mechanism is buckled to the seat body, and the link The mechanism drives the display area to present the first display state, and the buckle mechanism moves away from the seat body. When unbuckled, the link mechanism drives the display area to provide a second display state. To show.

[0005] In the child safety seat seat base mentioned above, the buckle mechanism is connected to the seat base. The buckle mechanism is secured to the seat body with a buckle. When the seat is opened or released from the seat body, the link mechanism drives the display area. This allows for the presentation of different display states. In this way, the user can see the base and the The connection status of the device can be conveniently viewed. This is more convenient and also enhances safety during use. Furthermore, the seat base has a simple structure, resulting in low manufacturing difficulty and cost.

[0006] In one embodiment, the seat base further comprises a mounting base and a link The mechanism consists of a rotation element rotatably connected within the mounting base and a rotation element It comprises a linkage element connected to the element and the display area, and a sheet base When it is buckled to the seat body, the rotating element rotates and drives the link element, display area The range is driven to present the first display state, and the seat base is buckled away from the seat body. Then, the rotating element rotates, driving the linking element, which in turn drives the display area to produce a second display state. To show.

[0007] In one embodiment, the link mechanism further extends the first restoration element. To prepare for this, the two ends of the first restoring element are, respectively, relative to the link element and the mounting base. The first restoration element contacts the link element so that the display area presents a second display state. It allows movement in the direction of the drive at all times.

[0008] In one embodiment, the link mechanism is a push button movably positioned on a mounting base. Furthermore, the push button contacts the buckle mechanism and the rotating element, respectively, The mechanism can be driven to slide the push button, and the push button is Press the rotating element to rotate it.

[0009] In one embodiment, the link mechanism further comprises a second restoring element, and the second restoring element The two ends abut against the mounting base and the push button, respectively, and the second restore 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 includes a sliding element slidably disposed on a mounting base. When the sliding element slides, a push button can be pushed to move along a direction intersecting the sliding direction of the sliding element. When the push button moves, the push button drives a rotating element to rotate to drive a link element to move. In one embodiment, the buckle mechanism includes a sliding element slidably disposed on a mounting base. When the sliding element slides, a push button can be pushed to move along a direction intersecting the sliding direction of the sliding element. When the push button moves, the push button drives a rotating element to rotate to drive a link element to move. In one embodiment, the buckle mechanism includes a sliding element slidably disposed on a mounting base. When the sliding element slides, a push button can be pushed to move along a direction intersecting the sliding direction of the sliding element. When the push button moves, the push button drives a rotating element to rotate to drive a link element to move. In one embodiment, the buckle mechanism includes a sliding element slidably disposed on a mounting base. When the sliding element slides, a push button can be pushed to move along a direction intersecting the sliding direction of the sliding element. When the push button moves, the push button drives a rotating element to rotate to drive a link element to move. In one embodiment, the buckle mechanism includes a sliding element slidably disposed on a mounting base. When the sliding element slides, a push button can be pushed to move along a direction intersecting the sliding direction of the sliding element. When the push button moves, the push button drives a rotating element to rotate to drive a link element to move.

[0011] In one embodiment, a push protrusion protruding along a direction intersecting the sliding direction of the sliding element is disposed on the sliding element. When the sliding element slides, the push protrusion presses and moves the push button. In one embodiment, a push protrusion protruding along a direction intersecting the sliding direction of the sliding element is disposed on the sliding element. When the sliding element slides, the push protrusion presses and moves the push button. In one embodiment, a push protrusion protruding along a direction intersecting the sliding direction of the sliding element is disposed on the sliding element. When the sliding element slides, the push protrusion presses and moves the push button.

[0012] In one embodiment, the buckle mechanism is further pivotally connected to the mounting base and further includes a locking hook having an open position and a closed position. The locking hook is configured to be removably fixed to the seat body, and the sliding element has a function of maintaining the locking hook in the open position or the closed position. In one embodiment, the buckle mechanism is further pivotally connected to the mounting base and further includes a locking hook having an open position and a closed position. The locking hook is configured to be removably fixed to the seat body, and the sliding element has a function of maintaining the locking hook in the open position or the closed position. In one embodiment, the buckle mechanism is further pivotally connected to the mounting base and further includes a locking hook having an open position and a closed position. The locking hook is configured to be removably fixed to the seat body, and the sliding element has a function of maintaining the locking hook in the open position or the closed position. In one embodiment, the buckle mechanism is further pivotally connected to the mounting base and further includes a locking hook having an open position and a closed position. The locking hook is configured to be removably fixed to the seat body, and the sliding element has a function of maintaining the locking hook in the open position or the closed position.

[0013] In one embodiment, the buckle mechanism further includes a third restoring element. Two ends of the third restoring element respectively abut against the sliding element and the mounting base, and the third restoring element always enables the sliding element to move in a direction to maintain the locking hook in the open position. In one embodiment, the buckle mechanism further includes a third restoring element. Two ends of the third restoring element respectively abut against the sliding element and the mounting base, and the third restoring element always enables the sliding element to move in a direction to maintain the locking hook in the open position. In one embodiment, the buckle mechanism further includes a third restoring element. Two ends of the third restoring element respectively abut against the sliding element and the mounting base, and the third restoring element always enables the sliding element to move in a direction to maintain the locking hook in the open position. In one embodiment, the buckle mechanism further includes a third restoring element. Two ends of the third restoring element respectively abut against the sliding element and the mounting base, and the third restoring element always enables the sliding element to move in a direction to maintain the locking hook in the open position.

[0014] In one embodiment, the buckle mechanism includes a fastening element attached to the mounting base and a fastening... The lock hook further comprises a fifth restoring element connected to the element, and the lock hook is pivotable to the fastening element. It is connected to and in contact with the fifth restoring element, and the fifth restoring element is directed so that the lock hook is in the open position. This allows for constant rotation.

[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 locking hook. The sixth restoring element is connected to the stopper and the mounting base, respectively, and the sixth restoring The original element ensures that the lock hook can always rotate toward the open position.

[0016] In one embodiment, the seat base further includes a release mechanism, and the release mechanism is It is positioned on a mounting base and configured to drive the sliding element to slide. .

[0017] In one embodiment, the unlocking mechanism includes drive elements that cooperate with each other in a slidable manner and It comprises a mandrel and the drive element is slidably mounted on the mounting base. The first mandrel is positioned to be movable, contacts the sliding element, and drives When the moving element is subjected to a force and moves, the drive element drives the first mandrel, and the drive element It can be moved along a direction intersecting the sliding direction, and the first mandrel slides Press the do element to drive the slide element into a sliding motion.

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

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

[0020] In one embodiment, a driving slope is provided at the end of the second mandrel. Furthermore, the sliding element is provided with a driven slope that works in cooperation with the driven slope. The driving slope acts on the driven slope, causing the sliding element to slide.

[0021] In one embodiment, the unlocking mechanism is a handle movably mounted on a mounting base. It further includes a handle connected to a drive element, and the handle moves the drive element. It drives.

[0022] In one embodiment, the unlocking mechanism is a tension element connected between the handle and the drive element. It also includes a (pulling element).

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

[0024] In one embodiment, the unlocking mechanism further comprises a fourth restoring element, the fourth restoring element is The fourth restoring element is in contact with the drive element and the mounting base, respectively, and the drive It is configured to drive the restoration of the elements.

[0025] In one embodiment, the unlocking mechanism comprises a first pivot element and a first pressing element, The first pivot element is pivotably connected to the mounting base, and the first pressing element is movably arranged It is possible to position and drive the sliding element to move, and the first pivot When the element is subjected to force and rotates, the first pivot element moves the first pressing element against the sliding element. It is possible to drive it to move along a direction intersecting the id direction, and the first pressing The element drives the slide element to slide.

[0026] In one embodiment, the mounting base is a drive guide intersecting the sliding direction of the sliding element. Equipped with a drive guide groove, the second guide rod is positioned on the first pressing element. The second guide rod is connected to the first sliding element, and the second guide rod drives It is inserted into the moving guide groove and moves along the drive guide groove, causing the first sliding element to rotate. The drive guide groove acts on the second guide rod to move the first pressing element. It drives.

[0027] In one embodiment, the unlocking mechanism further comprises a second pressing element and a second pivoting element. The second pressing element is movably positioned between the first pressing element and the sliding element, and the second The pivot element is pivotably connected to the second pressing element, abuts against the sliding element, and presses against the first pressing element. When the pressure element moves, the first pressure element pushes the second pressure element, causing it to move in the same direction. The two pivot elements are rotated while the sliding element is simultaneously slid.

[0028] In one embodiment, the unlocking mechanism is movably mounted on the mounting base and It further has one handle, and at least one handle is connected to the first pivot element. And 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. It further includes a tension element connected in between.

[0030] In one embodiment, at least one handle is located on the side of the mounting base and is a sliding handle. It is positioned on the side aligned with the natural sliding direction.

[0031] In one embodiment, the unlocking mechanism further comprises a seventh restoring element, the seventh restoring element is The seventh restoring element abuts against the first pivot element and the mounting base, respectively, and the first It is configured to drive to restore the pivot element.

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

[0033] The child safety seat consists of the aforementioned seat base and is detachably fixed to the seat base. It consists of a sheet body and other components.

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

[0035] To more clearly explain embodiments of the present invention or prior art technical solutions, Below, the accompanying drawings illustrating embodiments or prior art are briefly described. The accompanying drawings in the following description represent only some embodiments of the present invention, and those skilled in the art will understand that It is possible to derive other drawings from the attached drawings without any creative effort. [Brief explanation of the drawing]

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

[0037] Embodiments of the present invention will be described in more detail below with reference to the attached drawings. However, Various embodiments of the present invention can be embodied in many different forms, and are described herein. These embodiments should not be construed as being limited to the embodiments described. Rather, these embodiments are, This disclosure is thorough and complete, and can adequately convey the scope of the invention to those skilled in the art. Provided to do so. Elements identified using the same or similar reference codes are the same or It refers to similar elements.

[0038] The terms used herein are for the sole purpose of describing specific embodiments and the present invention. This does not limit the scope of the singular "a, an" and " This "the" includes plural nouns unless the context clearly indicates otherwise. This is intended. Where used herein, the terms “comprises” and “ma” are used to mean “including.” "Comprising" refers to the listed features, integers, steps, operations, elements, Identifies the presence of and / or components, but one or more other features, integers, steps Anything that excludes the existence or addition of a p, operation, element, component, and / or group thereof. It will become even clearer that this is not the case.

[0039] When an element is described as being "connected" or "joined" to another element, it means that the other element is connected to it. It is understood that elements may be directly connected or joined, or intermediary elements may be present. In contrast, one element is "directly connected" or "directly bound" to another element. When it is written as "is," there are no intervening elements.

[0040] In this specification, terms such as "first," "second," etc., may be used to describe various elements. However, it should be understood that these elements should not be limited by these terms. These terms are used solely to distinguish one element from another. Therefore, Without departing from the teachings of the present invention, the first element may also be referred to as the second element.

[0041] Unless otherwise defined, all terms used herein (technical and scientific terms) (including) are the same as those generally understood by those skilled in the art in the field to which this invention belongs. It has meaning. Furthermore, terms as defined in commonly used dictionaries are related It should be interpreted as having a meaning consistent with its meaning in the context of linked technology, and this Unless explicitly defined so in the specification, it is an idealized or excessive meaning. It should be understood that this is not meant to be interpreted in a formal sense.

[0042] Referring to Figures 1, 2, and 18, embodiments of the present disclosure are child safety seats. The child safety seat includes a seat base 1 and a seat body 2, and the seat body 2 is detachably fixed to seat base 1. This child safety seat has a simple structure. This design makes it easy for the user to observe the connection between the seat base 1 and the seat body 2, resulting in high safety. .

[0043] Refer to Figures 1 through 3, Figure 6, Figure 10 and Figures 18 through 20, Sheet Base 1 The buckle mechanism 100, link mechanism 200, display mechanism 300, and lock release mechanism 400 Includes mounting base 101. The buckle mechanism 100 connects the seat base 1 and the seat body 2. It is configured to be buckled and locked. Buckle mechanism 100 Once the lock is released, the seat body 2 can be removed from the seat base 1. The mechanism 300 is configured to display the buckle status of the seat base 1 and the seat body 2. The display area is included. The link mechanism 200 is between the buckle mechanism 100 and the display mechanism 300. It is positioned as follows: When the seat base 1 is buckled to the seat body 2, the buckle mechanism Structure 100 drives the display mechanism 300 to move and change the display state of the display area to the first display state. Change. When the seat body 2 is removed from the seat base 1, the display state of the display area changes. Because the display state changes to the second state, the user, during the installation or use process, The fastening state between the main body 2 and the seat base 1 can be easily observed, and therefore, the seat You can confirm that the main unit 2 and the seat base 1 are fully attached. Lock The release mechanism 400 is configured to drive the buckle mechanism 100 to unlock it. It is.

[0044] Referring to Figures 1 to 4, the mounting base 101 is provided with a buckle groove 102. The buckle mechanism 100 is mounted inside the mounting base 101. The lock hook 110 (details below) protrudes into the buckle groove 102. Seat body At the bottom of 2, a buckle rod 201 is positioned for buckling onto the lock hook 110. The buckle rod 201 is buckled into the buckle groove 102, and the lock hook 11 When locked to position 0, the seat base 1 and seat body 2 are buckled together. When part 201 detaches from the lock hook 110, the seat body 2 detaches from the seat base 1. It's possible.

[0045] In the illustrated embodiment, four buckle grooves 102 are provided on the mounting base 101, and the seat base Two buckle grooves 102 are provided at both the front and rear ends of the S1, and the two buckle grooves at both ends 102 may be provided at intervals. Corresponding to this, four buckle mechanisms A 100 is provided (see Figure 4), and each buckle mechanism 100 is paired with a buckle groove 102 in a one-to-one relationship. The lock hooks 110 of each buckle mechanism 100 are positioned accordingly and located within the buckle grooves 102. It protrudes. Four or two buckle rods 201 are located at the bottom of the seat body 2. The buckle is then fastened in accordance with the four buckle grooves 102. The number of buckle rods 201 is not limited to these, and may be adjusted as needed. Please understand that it can be configured flexibly.

[0046] Referring to Figures 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 the same, and are arranged symmetrically. The two buckle mechanisms 100 at the rear end of the seat base 1 are arranged symmetrically. Specifically, the seat base 1 is provided with a fastening plate 103 that extends in the vertical direction. Each buckle mechanism 100 is positioned corresponding to the fastening plate 103. The specific structure of the buckle mechanism 100 will be explained in detail using an example.

[0047] Referring to Figures 4 and 5, the buckle mechanism 100 includes a lock hook 110 and a fastening element Element 120, the fifth restoration element 130, the stopper 140, the sixth restoration element 150, It includes a slide element 160 and a third restoration element 170.

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

[0049] Specifically, referring to Figures 5 and 13, the fastening element 120 is connected to the pivot shaft 113 It is pivotably connected to the side of the lock hook 110, away from the fastening plate 103, via the same means. The fifth restoration element 130 is connected to the fastening element 120 and the lock hook 110 respectively. They are in contact. The fifth restoring element 130 rotates the lock hook 110 toward the open position. It always makes this possible.

[0050] Specifically, referring to Figures 2 and 5, one end of the stopper 140 is attached to the fastening plate 1 It is pivotally connected to 03, and the pivot shaft of stopper 140 is connected to lock hook 1 It is parallel to the 10 pivot shafts 113. The other end of the stopper 140 is fastened to the fastening element 12 It protrudes toward 0 and is pivotably connected to the lock hook 110, and the stopper 140 tightens It may come into contact with the connecting element 120. The sixth restoring element 150 rotates the stopper 140. Attached to the shaft, both ends of the sixth restoring element 150 are fastened to the fastening plate 103 and the s The sixth restoring element 150 contacts the topper 140 and always moves the lock hook 110 to the open position. It can be rotated. More specifically, the stopper 140 is on the side of the lock hook 110. It has a protruding portion 141 that protrudes into the buckle groove 1 It protrudes within 02.

[0051] Referring to Figures 2, 5, and 8, the buckle rod 201 is moved to the buckle groove 102. During the process, the buckle rod 201 presses against the hook portion 111, so the lock hook 110 The fifth restoring element 130 rotates over the elastic force, and therefore the hook portion 111 becomes a buckle. It rotates so that it is positioned above the rod 201. Meanwhile, the buckle rod 201 moves back During the process, the protruding portion 141 of the stopper 140 is further pushed, and the elastic force of the sixth restoring element 150 It overcomes the obstacle and rotates toward the fastening element 120. In this process, stopper 1 40 moves the end of the lock hook 110 connected to the stopper 140. Move, further driving the lock hook 110 so that it can pivot to the closed position. Lock hook 110 Therefore, the buckle rod 201 can be quickly buckled by receiving a double force, The 201 buckles more quickly and easily to the lock hook 110, and the seat body 2 is It can be quickly attached and locked. Moreover, when the lock hook 110 is in the closed position, The stopper 140 contacts the fastening element 120, ensuring stable locking of the lock hook 110. To hold.

[0052] In response to this, during the process in which the lock hook 110 pivots to the open position, the stop Par 140 is restored under the action of the sixth restoring element 150. In other words, stopper 1 40 pivots upward and no longer contacts the fastening element 120, and the stopper 14 Move the end of the lock hook 110 connected to 0, and move the lock hook 110 toward the open position. It generates a force that drives it to rotate on its own axis. The fifth restoration element 130 and the sixth restoration In cooperation with element 150, the lock hook 110 can be quickly opened, and the buckle The rod 201 can be detached more easily and quickly, and the seat body 2 can be removed quickly.

[0053] Specifically, the sliding element 160 is movably positioned on the mounting base 101, and slide The dove element 160 can contact the four lock hooks 110, thus as shown in Figures 4 and 5. Referencing this, the four lock hooks 110 are held in either the open or closed position simultaneously. I guarantee it.

[0054] Referring to Figures 4, 10 to 13, and 23 to 26, slide element 160 It is essentially rectangular in shape. The blocking portion 161 is a sliding element Each of the four block sections 161 is positioned at the four corners of 160, and each of the four block sections 161 is a rock face It contacts the lock 110. The slide element 160 has a locked position and an unlocked position. It has. When the slide element 160 is in the locked position, the four blocks of the slide element 160 The locking section 161 simultaneously maintains the four locking hooks 110 in the closed position. Slide element 1 When 60 is slid to the unlocked position along the direction indicated by arrow F1, the four locking parts The lock 110 pivots and rotates to the open position, and then the four block sections 161 lock again. It can contact the hook 110 and maintain the lock hook 110 in the open position. The sliding element 160 simultaneously drives four locking hooks 110, locking and unlocking. The process is carried out synchronously and the structure is simplified. One end of the third restoration element 170 is the sliding element 160. The third restoring element 170 is fixed to the mounting base 101, and the other end of the third restoring element 170 is fixed to the mounting base 101. Element 170 always allows the sliding element 160 to slide toward the locked position. Furthermore, the elastic force of the third restoring element 170 causes the sliding element 160 to press against the lock hook 110. The sliding element 160 ensures that it always has the ability to hold the locking hook 11 The value 0 can be maintained in either the closed or open position.

[0055] Referring to Figures 4 and 9, the third restoring element 170 may be a tension spring, however In the illustrated embodiment, the interval may be smaller than the one shown, and other elastic members may be selected. There are two third restoration elements 170 positioned at each of the third restoration elements 17 The front end of 0 is connected to the sliding element 160, and the rear end of the third restoring element 170 is connected to the mounting base 1 It connects to 01. The third restoring element 170 connects the sliding element 160 to the mounting base 101. It has a constant force pulling toward the rear end, that is, the third restoring element 170, The sliding element 160 moves in the opposite direction to the direction indicated by arrow F1 in Figures 4 and 10. This allows it to always move toward the rear end of the mounting base 101 along that direction. Therefore, each block portion 161 abuts against the front surface of the lock hook 110. In another embodiment, referring to Figures 23 to 26, the sliding element 160 is alternatively, It should be understood that the lock hook 110 may come into contact with the rear side surface. In this case, the third restoring element 170 exerts an opposite force on the sliding element 160.

[0056] Referring to Figures 1 through 5, Figure 8, Figure 12 and Figure 13, the buckle rod 201 is Pushing the hook portion 111 of the hook hook 110 downwards will cause the hook portion 111 to pivotally rotate. After the drive is completed, the hook portion 111 of the lock hook 110 is above the buckle rod 201. It pivots to the position, that is, the lock hook 110 rotates to the closed position. During the process, the lock hook 110 allows the 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 lock hook 110. Therefore, the lock hook 110 maintains the closed position. The sliding element 160 moves in the direction indicated by arrow F1. When slid along the direction to the unlocked position, the lock hook 110 moves to the sliding element 16 Having lost the force from zero, the fifth restoring element 130 recovers from deformation, and the lock hook 110, Figure In Figures 12 and 13, it automatically pivots and rotates to the open position along the direction indicated by arrow F3. It drives in this way. In this way, the lock hook 110 of the buckle rod 201 The lock is released, so the buckle rod 201 is in the buckle groove 102 of the lock hook 110. It can be detached, and the seat body 2 can be separated from the seat base 1. Regarding the lock hook 110 located in place, the sliding element 160 is the third restoring element 170 Because it receives force and contacts the lower end of the lock hook 110 again, the lock hook 110 is in the open position. It cannot be maintained and closed.

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

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

[0059] Referring to Figures 6, 7, and 11, the link element 210 is movable on the mounting base 101. It is attached to the display, and one end of the link element 210 is connected to the display area. Link element 2 10 has a first display position and a second display position that are opposite to each other. Link element 210 When they are in different display positions, the display areas are in different display states. First restoration element 220 It is positioned between the link element 210 and the mounting base 101, see Figures 10 and 16. Then, the first restoration element 220 moves the link element 210 toward the second indicated position. It always makes it possible to do so.

[0060] Referring to Figures 9, 10, 11, and 17, the rotating element 230 is substantially L-shaped. It is a seat, and 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, and the first connecting The connecting end 231 and the second connecting end 232 are at an angle to the pivot shaft of the rotating element 230. The first connecting end 231 is pivotably connected to the link element 210, and the second connecting The end 232 has a vertically extending abutting portion 233, that is, the abutting portion 233 extends along the axial direction of the pivot shaft of the rotating element 230. The contact portion 233 is It is located below the push button 240 and contacts the push button 240. When button 240 acts on contact portion 233, the rotating element 230 may be driven to rotate. Furthermore, the sliding element 160 has a downwardly protruding push protrusion 16 The pressing projection 162 has two parts, and the pressing projection 162 slidably cooperates with the upper end of the push button 240. When the sliding element 160 slides, the pressing projection 162 presses against the push button 240. It slides downward, that is, along the opposite direction to the direction indicated by arrow F2 in Figure 11. Slide it.

[0061] Referring to Figures 9, 11, and 15, the upper end of the push button 240 is A protrusion block 241 is provided that protrudes along the radial direction of the button 240. The second restoration element 250 is provided in a sleeve-like manner on the push button 240. The second restoring element 250 is in contact with the mounting base 101 and the projection block 241, respectively. The push button 240 is pressed by the buckle mechanism 100. It always allows movement in the opposite direction to the intended direction.

[0062] Referring to Figures 1, 16, and 17, the display area of ​​the display mechanism 300 is the first display It includes region 310 and a second display region 320, both of which are separated from the rotating element 230. Located at the end of the linked element 210. First display area 310 and second display area 320 This can be a different color, pattern, or other warning sign. For example, this implementation In this configuration, the first display area 310 is colored green, and the second display area 320 is colored red. The state of the lock hook 110 can be clearly shown.

[0063] Furthermore, referring to Figures 1 and 4, the display mechanism 300 is located at the front end of the mounting base 101. The display window 330 is further included, along with a first display area 310 and a second display area 32 0 is located below the display window 330. When the link element 210 moves, the first table The display area 310 and the second display area 320 are selectively positioned to face the display window 330, that is, The display area is switched between a first display state and a second display state. First display area 31 0 corresponds to the first display state, and the second display area 320 corresponds to the second display state.

[0064] Referring to Figures 10, 11, 16, and 17, the seat base 1 is attached to the seat body 2. During the process of buckling, the sliding element 160 moves as indicated by arrow F1 in Figures 10 and 14. It moves in the opposite direction to the indicated direction. The pressing projection 162 provided on the slide element 160, Since the push button 240 is pressed downwards, the push button 240 moves downwards, that is Movement along the opposite direction from the direction indicated by arrow F2 in Figures 11 and 15. During this process, the second restoration element 250 is compressed and deformed. Push button 240 As it moves downward, it presses against the contact portion 233 of the rotating element 230, so the rotating element 230 The pivot shaft of the rotating element 230 is centered along the direction indicated by arrow F5 in Figures 7 and 11. It pivots and rotates. Therefore, the first connecting end 231 of the rotating element 230 is located in Figures 10 and 10. In 11, the link element 210 is driven to slide along the direction indicated by arrow F4. It rotates in motion. During this process, the link element 210 pushes the first restoring element 220, Transform. Once the seat body 2 is completely buckled and secured to the seat base 1, the lock hook The 110 rotates to the closed position, and the slide element 160 maintains the push button 240 in a lower position. In its locked position, the link element 210 slides to the first display position. In other words, Then, the first display area 310 (green area) is aligned with the display window 330, that is The display area is in the first display state, and the seat body 2 is fully buckled to the seat base 1. This indicates that it is established.

[0065] When the seat body 2 is removed from the seat base 1, the lock on the lock hook 110 is released. When slide element 160 moves in the direction indicated by arrow F1 in Figure 10, slide element 160 The pressing projection 162 provided therein detaches from the push button 240, and the push button 240 , receiving the biasing force of the second restoring element 250, upward along the direction indicated by arrow F2 in Figure 11 It slides. At the same time, the first restoration element 220 is restored from deformation and made into the link element 210. The link element 210 is used and is aligned in the opposite direction to the direction indicated by arrow F4 in Figures 10 and 11. It is driven to slide. 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, that is, the display area The display state is driven to switch to the second display state, and the seat base 1 moves to the seat body 2. This indicates that it is not linked.

[0066] In the embodiment, referring to Figures 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. It includes a fourth restoring element 440, a handle 450, and a tensioning element 460.

[0067] Referring to Figures 4, 6 through 11, 14, and 15, the drive element 410 is mounted on a -101 may be movably mounted, with a first position and a second position facing each other The first mandrel 420 is movably positioned and has a drive element 410 and a slide They cooperate in a way that enables them to move. The direction of movement of the first mandrel 420 is the same as the direction of movement of the drive element 410. They intersect. The second mandrel 430 is inserted into the push button 240 and is movably positioned. The ends of the second mandrel 430 are each connected to the first mandrel 420 and The first mandrel 420 contacts the sliding element 160, and the second mandrel 430 is in the same position as the first mandrel 420. Move in the direction. The drive element 410 is shown in Figures 7, 10, 11, 14 and 15. When the first mandrel is subjected to a force and moves along the direction indicated by the arrow F4, Lu 420 is driven to move along the direction indicated by arrow F2, the second Push the mandrel 430 so that it moves along the direction indicated by arrow F2, and slide Drive the id element 160 to move along the direction indicated by arrow F1, The lock hook 110 is no longer in contact with the hook 110, and the lock hook 110 is in the open position. It can rotate on a pivot.

[0068] Referring to Figures 7 and 9, the drive element 410 is connected to the drive chutes 411 which intersect each other. and a slide groove 412 is provided. The slide groove 412 extends along its sliding direction. The mounting base 101 has a mounting block 104 positioned on it. The drod 105 is positioned on the mounting block 104, and the third guide rod 105 slides The drive element 4 is inserted into the groove 412 and slides along the slide groove 412. 10 is slidably connected to the mounting block 104. The first mandrel 420 is It is slidably connected to the attached block 104. The first guide rod 421 is the first The first guide rod 421 is positioned on the mandrel 420 and inserted into the drive chute 411. The first mandrel 420 is driven as it is inserted and can slide along the drive chute 411. It is slidably connected to the moving element 410. The drive element 410 is shown in Figures 7, 10, and 11. From the first position along the direction indicated by arrow F4 shown in Figures 14 and 15 When sliding to position 2, the drive chute 411 makes a motion on the first guide rod 421. Using this, move the first mandrel 420 upward along the direction indicated by arrow F2. The fourth restoring element 440 is connected to the drive element 410 and the mounting block 104. It is positioned in between. During the process in which the drive element 410 slides to the second position, the fourth restoring element Since 440 is compressed, the fourth restoration element 440 is always driven element 410 to the first position. It enables movement toward a target.

[0069] Referring to Figures 9 and 15, the second mandrel 430 is mounted via a pin element. The first mandrel of the second mandrel 430 is slidably connected to the second mandrel 101. A drive ramp 431 is provided at the end away from 420. The cooperating driven slope 163 is positioned substantially in the center of the sliding element 160. When the mandrel 430 moves upward along the direction indicated by arrow F2, the drive slope 43 1 acts on the driven slope 163, moving the sliding element 160 along the direction indicated by arrow F1 Move it.

[0070] Referring to Figures 1, 4, 6, and 7, the handle 450 is adjacent to the display mechanism 300. It is positioned at the front end of the seat base 1, and the seat base 1 is designed to be easy for the user to operate. It is exposed on the upper surface. 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. , slide from the first position to the second position. The tension element 460 is a steel wire It may be a rope, but is not limited to it, and has desirable toughness and strength. Other similar parts are also fine.

[0071] Referring to Figures 4, 6 through 11, 14, and 15, the drive element 410 is in the first position When in position, referring to Figures 7, 11, and 15, the first mandrel 420 is a drive unit It is recessed within element 410, and the fourth restoration element 440 is in its natural state. In this case, Sla The id element 160 is in the locked position, and the lock hook 110 is maintained in the closed position. When the handle 450 is pulled, the handle 450 is pulled via the tension element 460, as shown in Figures 7 and 10. 11. Slide along the direction indicated by arrow F4 shown in Figures 14 and 15. The drive element 410 is pulled in this manner. During this process, the drive element 410 moves the fourth restoring element 44 It acts on 0 and deforms it. During the sliding process of the drive element 410, the drive chute 411 This drives the first mandrel 420 to slide upward along the direction indicated by arrow F2. The first mandrel 420 moves upward along the direction indicated by arrow F2 towards the second mandrel 430. Push to slide in that direction. The drive slope 431 on the second mandrel 430 slide The slide element 160 is indicated by arrow F1 until the id element 160 moves to the unlocked position. The drive slope 163 acts to move along the direction. During the ride, the third restorative element 170 is further stretched. Slide element 16 When 0 moves to the unlocked position, the lock hook 110 is activated by the action of the fifth restoring element 130. It can open automatically by pivoting and rotating.

[0072] After the handle 450 is released, the drive element 410 is under the action of the fourth restoring element 440. Restore to the first position, and move the first mandrel 420 downward in the opposite direction to the direction indicated by arrow F2. Driven to slide, the second mandrel 430 also slides downward along this direction. To make it so, slide element 160 loses the force of the second mandrel 430, so the third The restoring element 170 restores the lock, thereby pressing the lock hook 110 again. Maintain the lock hook 110 in the open position.

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

[0074] Specifically, the first pivot element 410a is substantially a triangular sheet, and the first pivot element The positions of the three vertices of element 410a are, respectively, shown in Figures 28 and 30, the first pivot. It has a pivot end 411a, a drive end 412a, and a free end 413a. The first pivot end 411a is It is pivotably connected to the mounting base 101 and connected to one end of the tension element 460, The pivot element 410a is in a third or fourth position with respect to the first pivot end 411a. It can rotate in place. A mounting cylinder 106 is positioned on the mounting base 101. Furthermore, the mounting cylinder 106 has a drive guide along direction F2 in Figures 28 and 30. A groove 107 is provided. The first pressing element 420a is substantially cylindrical, and the mounting cylinder The second guide rod 421a is slidably positioned within the 106. See also Figure 34, the second guide rod is positioned on the first pressing element 420a. 421a is inserted into the drive guide groove 107 and moves along the drive guide groove 107. 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, It is connected to the moving end 412a. The first pivot element 410a is shown in Figures 27 and 29. When rotated from the third position to the fourth position along the direction indicated by arrow F8, the first pivot point The drive end 412a of component 410a follows the drive guide groove 107 in the direction indicated by arrow F2. It moves upward. 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 arrow F2, referring to Figures 32 and 34. It is driven to move upward along the line.

[0075] Referring to Figures 32 and 34, the second pressing element 430a is the first pressing element 420 The second pressing element 430a is movably positioned between a and the sliding element 160. The mounting groove 431a is provided, and the second pivot element 440a is rotatably disposed within the mounting groove 431a. It is placed. The outer side of the bottom wall of the mounting groove 431a abuts against the first pressing element 420a. The second The pivot element 440a is essentially a triangular sheet structure. The positions of the two vertices each have a second pivot end 441a and a contact end 442a, and the second The pivot end 441a is pivotably connected to the side wall of the mounting groove 431a, and the abutment end 442a is It is configured to contact the ride element 160. Specifically, the contact projection block 1 64 may be positioned around the intermediate position of the slide element 160, and the contact end 442a is It is configured to contact the contact projection block 164. First pivot element 410a However, when it is subjected to a force in the direction indicated by arrow F8 shown in Figures 27 and 29 and rotates, The first pressing element 420a is driven to move in the direction indicated by arrow F2, and the second The pressing element 430a is pressed, and the second pivot element 440a is moved as shown in Figures 32 and 34. It can be rotated in the direction indicated by the arrow F9. In this way, the contact end 442a Pressing the contact projection block 164 moves the sliding element 160, as indicated by arrow F1. Move it in the opposite direction and drive it so that it no longer contacts the lock hook 110. Referring to Figures 23 to 26, the lock hook 110 can pivotally rotate to the open position. Make it so.

[0076] Referring to Figures 32 and 34, the seventh restoring element 450a is, respectively, the first pivot The element 410a and the mounting base 101 are in contact. The first pivot element 410a is shown in Figure 2. In the process of rotating along the direction indicated by arrow F8 in Figure 7 and Figure 29, the seventh restorative element Element 450a is compressed. Therefore, the seventh restoration element 450a is the first pivot element 41 0a is aligned in the opposite direction to the direction indicated by arrow F8 shown in Figures 27 and 29. This allows it to always have a tendency to rotate in a way that restores it to its original state.

[0077] Referring to Figures 19 and 20, there are two handles 450, and the two handles 450 are They are positioned on both sides of the mounting base 101 and are exposed on the sides of the mounting base 101. It is designed to facilitate user operation. In the above embodiment, handle 450 In contrast to the mounting base 101, the handle 450 is located on the front end of the mounting base By being located on the side of S101, operation can be made easier. The front end of the mounting base 101 is usually obstructed by the seat body 2 or the front car seat, making it difficult to reach. Although it is difficult to reach, the side of the mounting base 101 faces the operator directly, making it easy to operate. It is.

[0078] Referring to Figures 20, 27, and 29, there are two corresponding tensile elements 460. Each tension element 460 has a handle 450 on the side of the tension element 460 and a first pivot element 410a It is connected between them. 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. In the illustrated embodiment... By operating the handle 450 upward, the tension element 460 is used to move the first pivot The moving element 410a can be pulled and driven. In another embodiment, the handle 450 It can be operated by other means. The tensile element 460 is a steel wire rope. However, this is not the only option, and other similar parts with desirable toughness and strength may also be used. It may be present. Specifically, a guide element 108 is provided on the mounting base 101, and the guide function An arc-shaped guide portion is provided on element 108. One end of the tension element 460 is connected to the tension element 46 The other end of the tension element 460, which is connected to the handle 450 on either side of 0, is indicated by arrow F6. Along the direction indicated (i.e., the horizontal width of the mounting base 101) inside the mounting base 101 Enter the area, be guided by guide element 108, and go around the guide section in the direction indicated by arrow F7 (i.e.) It is connected to the first pivot element 410a along the length of the mounting base 101.

[0079] Referring to Figures 21 to 34, when the first pivot element 410a is in the third position, The first pressing element 420a is located in a relatively low position within the mounting cylinder 106; see Figure 32. Then, the seventh restoration element 450a is in its natural state. In this case, the slide element 160 is The handle 4 is in the locked position, and the lock hook 110 is maintained in the closed position as shown in Figure 30. 50 rotates along the direction indicated by arrow F8 in Figure 29 via the tension element 460. Then, it is pulled to pull the first pivot element 410a. In this process, the first pivot element 410a acts on the seventh restoring element 450a, causing it to deform. First pivot element 410 During the rotation process of a, the drive guide groove 107 is indicated by arrow F2 for the first pressing element 420a. Next, the first pressing element 420a is driven to slide upward in the direction of the second Press the pressing element 430a so that it slides upward along the direction indicated by arrow F2, and the second pressing The side wall or bottom wall of the mounting groove 431a of the pressure element 430a is connected to the second pivot element 440a in Figure 32. Press so that it rotates in the direction indicated by the arrow F9. This will result in, referring to Figure 34, Slide element 160 moves to the unlocked position, then slide element 160 moves to arrow F1. Therefore, the sliding element 160 is driven to move in the opposite direction to the indicated direction. As shown, the contact end 442a4 contacts the contact projection block 164. During the sliding process, the third restoration element 170 is further stretched. Slide element 1 When 60 moves to the unlocked position, the lock hook 110 is activated by the action of the fifth restoring element 130. This allows it to open automatically by pivoting.

[0080] After the handle 450 is released, the first pivot element 410a moves to the seventh restoring element 450a Under its influence, it returns to the third position, thereby causing the first pressing element 420a to move at arrow F2. It is driven to slide downward in the opposite direction to the direction shown, and referring to Figure 32, the second The pressing element 430a also slides downward in this direction. Referring to Figure 32, the second pivot element Element 440a rotates in the opposite direction to the direction indicated by arrow F9, and no longer contacts the projection block 1 It does not come into contact with 64. The sliding element 160 loses the force of the second pivot element 440a. Therefore, it is restored under the action of the third restoration element 170, and referring to Figure 28, thereby lock To maintain the hook 110 in the open position, it is pressed again against the lock hook 110.

[0081] Refer to Figures 1 through 34 to understand the operating principle of the seat base 1 for the child safety seat. I will explain in more detail.

[0082] When the seat body 2 is not buckled to the seat base 1, the fifth restoring element 13 Under an elastic force of 0, the lock hook 110 is in the open position shown in Figures 5 and 6. In Figure 6, the slide element 160 is in the unlocked position, and the link element 210 is in the second table. It is positioned as shown, that is, the second display area 320 (red area) is aligned with the display window 330. ru.

[0083] The buckle rod 201 of the seat body 2 is connected to the buckle groove 102 of the seat base 1. When this happens, the buckle rod 201 pushes the hook portion 111 of the lock hook 110 downwards. Therefore, the hook portion 111 is driven to pivotally rotate around the pivot shaft 113. The lock hook 110 is driven to overcome the elastic force of the fifth restoring element 130, The buckle portion 111 rotates to a position above the buckle rod 201 and moves into the buckle groove 102. The moved buckle rod 201 is locked. The lock hook 110 engages the pivot shaft 113. After pivoting around the center, the stopper 140 comes into contact with the fastening element 120, and the lock hook 11 Maintain a stable lock of 0. The lock hook 110 rotates onto the buckle rod 201. After being buckled, the sliding element 160 receives the elastic force of the third restoring element 170, as shown in the figure. 4. The opposite direction to the direction indicated by arrow F1 in Figures 6, 10, 11, and 14. It slides along the direction and contacts the lock hook 110 again, closing the lock hook 110. Maintain it in place.

[0084] During the sliding process, the sliding element 160 is pressed against the downward pressure projection of the sliding element 160. Drive the starter 162 downwards along the direction indicated by arrow F2 in Figures 11, 14, and 15. Press push button 240 to move in that direction. In this case, the contact portion 233 of the rotating element 230 is acted upon, and the rotating element 230 is moved by arrow F5 shown in Figure 11. The rotating element 230 pivots and rotates around its pivot shaft in the direction indicated by the arrow. Therefore, The first connecting end 231 of the rotating element 230 is indicated by arrow F4 in Figures 10, 11, and 16. The link element 210 is driven to swing so that it slides along the direction, and the first table The display area 310 (green area) is aligned with the display window 330, and the sheet body 2 is on the sheet base 1. This indicates that the buckle is secured. Furthermore, the push button 240 moves downward. In the process, the second restoring element 250 is pressed and deformed, and the link element 210 slides over The first restoration element 220 is then pressed and deformed.

[0085] If it is necessary to remove the seat body 2 from the seat base 1, in this embodiment, the user The handle 450 is pulled, and the handle 450 drives the drive element 410, as shown in Figures 7 and 10. Slide to the second position along the direction indicated by arrow F4 in Figures 11, 14, and 15. In this process, the drive element 410 moves the first mandrel 420 as indicated by arrow F2. Driven to move upward along the direction, the first mandrel 420 then moves to the second Push mandrel 430 and continue moving in this direction, driving the second mandrel 430 The slope 431 acts on the driven slope 163 of the slide element 160, and the slide element 16 Drive 0 to move along the direction indicated by arrow F1, and four on slide element 160 The block portion 161 no longer contacts the lock hook 110. In this case, the lock hook 110 automatically pivots and rotates to the open position by the action of the fifth restoring element 130, and the hook part 111 rotates away from the buckle groove 102. In this case, the seat base 1 The seat body 2 can be lifted and removed.

[0086] As slide element 160 moves along the direction indicated by arrow F1, slide element The pressing projection 162 of element 160 gradually separates from the push button 240, and the push button The downward force is no longer applied to 240. Therefore, the push button 240 is the second Under the action of the original element 250, it moves upward and returns to its original position, that is, the push button 240, as shown in the figure. 11. Move upward along the direction indicated by arrow F2 shown in Figures 14 and 15. Subsequently, no force is applied to the contact portion 233 of the rotating element 230. In this case, the link is required. Element 210 is restored by the action of the first restoration element 220, i.e., indicated by arrow F4. Slide along the opposite direction, and the second display area 320 (red area) will reappear. Aligned with the display window 330, the seat body 2 is not buckled to the seat base 1. show.

[0087] In another embodiment, the user operates the handle 450, which is shown in Figure 27. Rotate to the fourth position along the direction indicated by arrow F8 in Figure 29. The first pivot element 410a is driven. In this process, the first pivot element 410a The first pressing element 420a is moved upward along the direction indicated by arrow F2. Driven in this direction, the first pressing element 420a then presses the second pressing element 430a in this direction. As it continues to move in the direction, the second pressing element 430a pushes the second pivot element 440a, so the second The pivot element 440a rotates in the direction indicated by arrow F9 in Figures 32 and 34. The contact end 442a of the second pivot element 440a contacts the contact projection of the slide element 160. This acts on lock 164, moving slide element 160 in the opposite direction to the direction indicated by arrow F1. Driven in such a way, the four block sections 161 on the sliding element 160 are locked by the lock hook 110 To prevent contact with the fifth restoration element 13. The action of 0 automatically pivots to the open position, and the hook portion 111 moves out of the buckle groove 102. It rotates away from the seat. In this case, the seat body 2 is lifted from the seat base 1, and the seat The main body 2 can be removed.

[0088] During the process in which slide element 160 moves along the direction opposite to the direction indicated by arrow F1, The pressing projection 162 of the sliding element 160 gradually separates from the push button 240, and No downward force is applied to the push button 240. Therefore, the push button 240 moves upward and is restored under the action of the second restoring element 250, i.e., push Button 240 is located upward along the direction indicated by arrow F2 in Figures 28 and 30. It moves in that direction, and then no longer applies force to the contact portion 233 of the rotating element 230. The link element 210 is restored by the action of the first restoration element 220, that is, arrow F Slide along the direction opposite to the direction shown in 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. To indicate that something is not there.

[0089] In conclusion, according to the seat base 1 of this disclosure, the link mechanism 200 is the buckle mechanism 1 It is positioned between 00 and the display mechanism 300. The buckle mechanism 100 is connected to the seat base 1. A buckle is provided between the seat body 2 and the buckle mechanism 100. When the buckle is fastened to or released from seat 2, the link mechanism Structure 200 can drive the display area to present different display states. This allows the user to conveniently view the connection status between the seat base 1 and the seat body 2. It is more convenient and safer to use. Also, the seat base 1 has a simple structure and is easy to manufacture. It is easy to manufacture and has low production costs.

[0090] The technical features of the embodiments described above can be combined in any way. (To keep the explanation brief) Therefore, we will describe all possible combinations of the various technical features in the above embodiments. That is not the case. However, as long as the combination of these technical features does not create a contradiction, The combinations are included within the scope of disclosure of this specification.

[0091] The embodiments described above merely enumerate some embodiments of the present invention and will not be described in detail. However, this should not be understood as limiting the scope of the patent for this invention. If, without departing from the spirit of the present invention, several further improvements and enhancements may be made. It should be noted that these improvements and enhancements also fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be limited to the appended claims.

Claims

1. This is a seat base for a child safety seat. Mounting base and It comprises a buckle mechanism configured to be fixed to the seat body with a buckle, The aforementioned buckle mechanism is A locking hook configured to be detachably fixed to the seat body, A sliding element positioned on the aforementioned mounting base, Equipped with a lock release mechanism, The aforementioned unlocking mechanism is A first pivot element is pivotably connected to the aforementioned mounting base, A first pressing element is provided which is movably positioned and can be driven 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 slide element, causing the first pressing element to slide the slide element. Seat base.

2. The seat base according to claim 1, wherein the first pressing element is provided with a guide rod connected to the 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. 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, 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. The seat base according to claim 1, wherein the unlocking mechanism further comprises a second pressing element movably disposed between the first pressing element and the sliding element, and when the first pressing element moves, the first pressing element pushes the second pressing element and moves in the same direction.

5. The unlocking mechanism further comprises a second pressing element and a second pivoting element, wherein the second pressing element is movably disposed between the first pressing element and the slide element, the second pivoting element is pivotally connected to the second pressing element and contacts the slide element, and when the first pressing element moves, the first pressing element pushes the second pressing element and moves it in the same direction, rotating the second pivoting element to push the slide element and slide it, the seat base according to claim 1.

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

7. The aforementioned unlocking mechanism further, A handle movably mounted on the mounting base and connected to the first pivot element, The system comprises at least one handle and a tension element connected between the first pivot element, The seat base according to claim 1, wherein at least one handle is operable to rotate the first pivot element via the tension element.

8. The seat base according to 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 and connected to the first pivot element along a direction intersecting the first direction.

9. The seat base according to claim 7, wherein two handles are arranged on both sides of the mounting base, two tension elements are provided, and the tension elements are connected between the handles and the first pivot element, respectively.

10. The seat base according to 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 equipped with a display area and link mechanism, The aforementioned link mechanism is A rotating element rotatably connected within the mounting base, The rotating element and the link element connected to the display area are provided, The seat base according to claim 1, wherein when the buckle mechanism is buckled and fixed to the seat body, the rotating element rotates to drive the link element, which drives the display area to present a first display state, and when the buckle mechanism is buckled and released from the seat body, the rotating element rotates to drive the link element, which drives the display area to present a second display state.

13. The link mechanism further comprises a push button movably disposed on the mounting base, the push button contacting the buckle mechanism and the rotating element, respectively, the buckle mechanism being driveable to slide the push button, and the push button pushing the rotating element to rotate. The 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 abuts against the slide element and the mounting base, respectively, and the restoring element constantly allows the slide element to move in a direction that maintains the lock hook in the open position.

15. The seat base according to 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 lock hook is pivotably connected to the fastening element and abuts against the restoring element, and the restoring element constantly allows the lock hook to rotate toward the open position.

16. The seat base according to claim 11, wherein the buckle mechanism further comprises a stopper and a restoring element, one end of the stopper being pivotably connected to the mounting base, the other end of the stopper being connected to the lock hook, the restoring element abutting against the stopper and the mounting base, respectively, and the restoring element constantly allows the lock hook to rotate toward the open position.

Images