Seat base for a child safety seat
Patent Information
- Authority / Receiving Office
- TW · TW
- Patent Type
- Patents
- Current Assignee / Owner
- BAMBINO PREZIOSO SWITZERLAND AG
- Filing Date
- 2021-12-10
- Publication Date
- 2026-08-01
Smart Images
Figure TWG2TB001903834_001 
Figure TWG2TB001903834_002 
Figure TWG2TB001903834_003
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of infant carriers, and in particular to a child safety seat and a seat base. Prior Art
[0002] Child safety seats need to be used correctly to protect children. Child safety seats mainly include a seat body and a seat base. When in use, the seat base is connected to the car seat, and the seat body can be snapped onto the seat base in the forward or reverse direction. At present, most child safety seats do not have installation and use status warning devices. When users install them, whether the seat body and the seat base are snapped into place mainly depends on the subjective judgment of the operator, which can easily bring risks to the children riding in the seats due to human errors. Other child safety seats on the market have local indication functions, such as indication devices that display the connection status of ISOFIX connectors. However, the structures of these indication devices are generally more complicated, which increases the manufacturing difficulty and cost of child safety seats. Summary of the invention
[0003] Based on this, it is necessary to provide a child safety seat and a seat base, which have a simple structure, are convenient for users to observe the connection status between the seat base and the seat body, and have a high safety factor.
[0004] A seat base for a child safety seat comprises: a mounting seat; a snap-fitting mechanism for snap-fitting with a seat body, the snap-fitting mechanism comprising: a locking hook for snapping with the seat body in a detachable manner; and a sliding member provided on the mounting seat; and a release mechanism comprising: a first pivoting member pivotally connected to the mounting seat; and a first pushing member movably arranged and used to drive the sliding member to move; wherein, when the first pivoting member is rotated under force, the first pushing member can be driven to move in a direction intersecting with the sliding direction of the sliding member, so that the first pushing member drives the sliding member to slide.
[0005] The seat base for the child safety seat is connected to the seat body by a snap mechanism, and when the snap mechanism is connected to or released from the seat body, the linkage mechanism can drive the indication drive to present different indication states. In this way, the user can easily check the connection state between the base and the seat body, which is more convenient and safer to use. At the same time, the structure of the seat base is simple, and the manufacturing difficulty and manufacturing cost are both low.
[0006] In one embodiment, the seat base also includes an indication mechanism, including an indication area, the indication area is used to indicate the engagement state of the seat base and the seat body; and a linkage mechanism is arranged between the engagement mechanism and the indication mechanism, the linkage mechanism includes: a rotating member rotatably connected to the mounting seat; and a linkage member connecting the rotating member and the indication area; wherein, when the sliding member slides, it can drive the rotating member to rotate to drive the linkage member to move, thereby driving the indication area to move.
[0007] In one embodiment, the locking hook is pivotally connected to the mounting seat and has an open position and a closed position, and the sliding member can keep the locking hook in the open position or the closed position.
[0008] In one embodiment, the locking mechanism further includes a third reset member, which abuts against the sliding member and the mounting seat respectively, and the third reset member constantly moves the sliding member in a direction to keep the locking hook in an open position.
[0009] In one embodiment, the locking mechanism also includes a fixing member installed on the mounting seat and a fifth resetting member connected to the fixing member, the locking hook is pivotally connected to the fixing member and abuts against the fifth resetting member, and the fifth resetting member constantly rotates the locking hook toward the open position.
[0010] In one embodiment, the locking mechanism further includes a stopper and a sixth reset member, one end of the stopper is pivotally connected to the mounting seat, the other end of the stopper is connected to the locking hook, and the sixth reset member abuts against the stopper and the mounting seat respectively.
[0011] In one embodiment, a driving guide groove intersecting with the sliding direction of the sliding member is formed on the mounting seat, a second guide column is provided on the first pushing member, the second guide column is connected to the first pivot member, the second guide column is inserted into the driving guide groove and moves along the driving guide groove, and when the first pivot member rotates, it acts on the second guide column through the driving guide groove to drive the first pushing member to move.
[0012] In one embodiment, the release mechanism also includes a second pushing member and a second pivot member, the second pushing member is movably arranged between the first pushing member and the sliding member, the second pivot member is pivotally connected to the second pushing member and abuts against the sliding member, and when the first pushing member moves, it pushes the second pushing member to move in the same direction to drive the second pivot member to rotate and simultaneously push the sliding member to slide.
[0013] In one embodiment, the lock release mechanism further includes at least one handle movably mounted on the mounting seat, the at least one handle being connected to the first pivotal member, and the first pivotal member is driven to rotate by the at least one handle.
[0014] In one embodiment, the lock release mechanism further includes a seventh reset member, the seventh reset member is respectively abutted against the first pivot member and the mounting seat, and the seventh reset member is used to drive the first pivot member to reset.
[0015] A child safety seat comprises the above-mentioned seat base and a seat body detachably clamped thereon.
[0016] In one of the embodiments, a snap-fit groove is provided on the seat base, the snap-fit mechanism partially protrudes into the snap-fit groove, and a snap-fit rod for snapping with the snap-fit mechanism is provided at the bottom of the seat body. Simple diagram description
[0017] FIG. 1 is a schematic structural diagram of a seat base according to an embodiment of the present invention.
[0018] FIG. 2 is an enlarged schematic diagram of part A in FIG. 1 .
[0019] FIG. 3 is a schematic structural diagram of a seat body according to an embodiment of the present invention.
[0020] FIG. 4 is a schematic diagram of the internal structure of FIG. 1 .
[0021] FIG. 5 is an enlarged schematic diagram of portion B in FIG. 4 .
[0022] FIG. 6 is another schematic diagram of the internal structure of FIG. 1 .
[0023] FIG. 7 is an enlarged schematic diagram of portion C in FIG. 6 .
[0024] FIG. 8 is an enlarged schematic diagram of the engaging mechanism in the seat base shown in FIG. 6 .
[0025] 9 is an exploded view of the release mechanism in the seat base shown in FIG. 6 .
[0026] FIG. 10 is another schematic diagram of the internal structure of FIG. 1 .
[0027] FIG. 11 is an enlarged schematic diagram of portion D in FIG. 10 .
[0028] FIG. 12 is an enlarged schematic diagram of portion E in FIG. 10 .
[0029] FIG. 13 is an enlarged schematic diagram of portion F in FIG. 10 .
[0030] FIG. 14 is a cross-sectional view of FIG. 1 .
[0031] FIG. 15 is an enlarged schematic diagram of portion G in FIG. 14 .
[0032] FIG. 16 is another schematic diagram of the internal structure of FIG. 1 .
[0033] FIG. 17 is an enlarged schematic diagram of portion H in FIG. 16 .
[0034] FIG. 18 is a schematic structural diagram of a child safety seat according to another embodiment of the present invention.
[0035] FIG. 19 is a schematic structural diagram of the seat base in the child safety seat shown in FIG. 18 .
[0036] FIG. 20 is a schematic diagram of the internal structure of FIG. 19 .
[0037] FIG. 21 is a partial structural schematic diagram of FIG. 20 .
[0038] FIG. 22 is a schematic diagram of the partial structure of FIG. 20 from another viewing angle.
[0039] FIG. 23 is another schematic diagram of the internal structure of FIG. 19 , in which the locking hook is in an open position.
[0040] FIG. 24 is an enlarged schematic diagram of portion I of FIG. 23 .
[0041] FIG. 25 is another schematic diagram of the internal structure of FIG. 19 , in which the locking hook is in a closed position.
[0042] FIG. 26 is an enlarged schematic diagram of portion J of FIG. 25 .
[0043] FIG. 27 is a schematic diagram of the internal structure of FIG. 23 .
[0044] FIG. 28 is an enlarged schematic diagram of portion K of FIG. 27 .
[0045] FIG. 29 is a schematic diagram of the internal structure of FIG. 25 .
[0046] FIG30 is an enlarged schematic diagram of the L portion of FIG29 .
[0047] Figure 31 is a cross-sectional view of Figure 20, when the sliding member is in a locked position.
[0048] FIG32 is an enlarged schematic diagram of portion P of FIG31 .
[0049] FIG33 is another cross-sectional view of FIG20 , in which the sliding member is in the unlocking position.
[0050] FIG. 34 is an enlarged schematic diagram of portion Q of FIG. 33 . Implementation
[0051] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementation methods described herein are only used to explain the present invention and do not limit the scope of protection of the present invention.
[0052] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. When an element is considered to be "abutting" another element, it may be directly abutting the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.
[0053] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention belongs. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0054] As shown in Fig. 1, Fig. 2 and Fig. 18, an embodiment of the present invention provides a child safety seat, which includes a seat base 1 and a seat body 2, and the seat body 2 is detachably connected to the seat base 1. The child safety seat has a simple structure, is convenient for users to observe the connection status between the seat base 1 and the seat body 2, and has a high safety factor.
[0055] As shown in FIGS. 1-3, 6, 10, and 18-20, the seat base 1 includes a snap-fit mechanism 100, a linkage mechanism 200, an indication mechanism 300, a release mechanism 400, and a mounting seat 101. The snap-fit mechanism 100 is used to snap-fit and lock the seat base 1 and the seat body 2. When the snap-fit mechanism 100 is released, the seat body 2 can be moved away from the seat base 1. The indication mechanism 300 includes an indication area, which is used to indicate the snap-fit state of the seat base 1 and the seat body 2. The linkage mechanism 200 is arranged between the snap-fit mechanism 100 and the indication mechanism 300. When the seat base 1 and the seat body 2 are snap-fitted, the snap-fit mechanism 100 drives the indication mechanism 300 to operate to change the indication state of the indication area to the first indication state. When the seat body 2 is moved away from the seat base 1, the indication state of the indication area is converted into the second indication state, so that the user can check the snap-fit state between the seat body 2 and the seat base 1 during installation or use to ensure that both are installed in place. The unlocking mechanism 400 is used to drive the locking mechanism 100 to unlock.
[0056] As shown in Fig. 1-4, the mounting seat 101 is provided with a snap-fitting groove 102, the snap-fitting mechanism 100 is installed inside the mounting seat 101, and the locking hook 110 (described later) of the snap-fitting mechanism 100 protrudes into the snap-fitting groove 102. The bottom of the seat body 2 is provided with a snap-fitting rod 201 for snapping with the locking hook 110, and the snap-fitting locking of the seat base 1 and the seat body 2 is achieved by snapping the snap-fitting rod 201 into the snap-fitting groove 102 and locking with the locking hook 110; when the snap-fitting rod 201 is disengaged from the locking hook 110, the seat body 2 can be detached from the seat base 1.
[0057] In the present invention, four engaging grooves 102 can be provided on the mounting seat 101, and two engaging grooves 102 are provided at the front and rear ends of the seat base 1, and the two engaging grooves 102 at each end are arranged at intervals. Correspondingly, four engaging mechanisms 100 are provided (see FIG. 4), each engaging mechanism 100 is provided corresponding to a engaging groove 102, and the locking hook 110 of each engaging mechanism 100 protrudes into a engaging groove 102. Four or two engaging rods 201 are provided at the bottom of the seat body 2 to respectively engage in the four engaging grooves 102. It can be understood that the number of engaging grooves 102 and engaging rods 201 is not limited to this, and can be flexibly set according to needs.
[0058] As shown in Fig. 4-5, Fig. 8, and Fig. 12-13, in the present invention, the structures of the four engaging mechanisms 100 are the same, and the two engaging mechanisms 100 arranged at the front end of the seat base 1 are symmetrically arranged, and the two engaging mechanisms 100 arranged at the rear end of the seat base 1 are symmetrically arranged. More specifically, a vertically extending fixing plate 103 is provided on the seat base 1, and each engaging mechanism 100 is correspondingly arranged on the fixing plate 103. The specific structure of one of the engaging mechanisms 100 is described in detail below by taking one of the engaging mechanisms 100 as an example.
[0059] As shown in FIG. 4 and FIG. 5 , the engaging mechanism 100 includes a locking hook 110 , a fixing member 120 , a fifth restoring member 130 , a stopper 140 , a sixth restoring member 150 , a sliding member 160 and a third restoring member 170 .
[0060] Specifically, as shown in FIG. 2 and FIG. 5 , the locking hook 110 is pivotally connected to the fixing plate 103 via a pivot shaft 113 and has an open position and a closed position. The locking hook 110 has a hook portion 111, which protrudes into the locking groove 102, and a locking groove 112 is formed below the hook portion 111. When the locking hook 110 is in the closed position, the locking rod 201 (as shown in FIG. 3 ) can be restricted in the locking groove 112, and when the locking hook 110 is in the open position, the locking rod 201 can be disengaged from the locking groove 112.
[0061] 5 and 13, the fixing member 120 is pivotally connected to the side of the locking hook 110 facing away from the fixing plate 103 via the pivot shaft 113, and the fifth reset member 130 abuts against the fixing member 120 and the locking hook 110, respectively, and the fifth reset member 130 constantly rotates the locking hook 110 to the open position.
[0062] Specifically, as shown in FIG. 2 and FIG. 5 , one end of the stopper 140 is pivotally connected to the fixed plate 103, and the pivot axis of the stopper 140 is parallel to the pivot axis 113 of the locking hook 110. The other end of the stopper 140 protrudes toward the fixing member 120 and is pivotally connected to the locking hook 110. The stopper 140 can abut against the fixing member 120. The sixth reset member 150 is mounted on the pivot axis of the stopper 140, and its two ends abut against the fixing plate 103 and the stopper 140 respectively. The sixth reset member 150 constantly rotates the locking hook 110 toward the open position. More specifically, the stopper 140 has a protruding portion 141 protruding toward the locking hook 110, and the protruding portion 141 protrudes into the engaging groove 102.
[0063] As shown in FIG. 2 , FIG. 5 , and FIG. 8 , during the process of the clamping rod 201 moving into the clamping groove 102 , the clamping rod 201 pushes the hook portion 111 to make the locking hook 110 rotate to overcome the elastic force of the fifth reset member 130 , and then the hook portion 111 rotates above the clamping rod 201 . At the same time, during the clamping process, the clamping rod 201 also pushes the protruding portion 141 of the stopper 140 to overcome the elastic force of the sixth reset member 150 and pivot toward the fixing member 120 . During this process, the stopper 140 drives the end of the locking hook 110 connected thereto to move, and further drives the locking hook 110 to pivot toward its closed position. Under the dual action, the locking hook 110 can be quickly clamped on the clamping rod 201 , making the clamping of the clamping rod 201 into the locking hook 110 faster and more labor-saving, thereby realizing the rapid installation and locking of the seat body 2 . Moreover, when the locking hook 110 is in the closed position, the stopper 140 pushes against the fixing member 120 to keep the locking of the locking hook 110 stable.
[0064] Correspondingly, during the process of the locking hook 110 pivoting to the open position, the stopper 140 is reset under the action of the sixth reset member 150, that is, the stopper 140 is pivoted upward, disengaged from the abutment against the fixing member 120 and at the same time drives the end of the locking hook 110 connected thereto to move, thereby generating a force on the locking hook 110 to pivot to the open position. With the joint action of the fifth reset member 130 and the sixth reset member 150, the locking hook 110 can be quickly opened, making the detachment of the locking rod 201 more labor-saving and quick, thereby realizing the rapid removal of the seat body 2.
[0065] Specifically, the sliding member 160 is movably disposed in the mounting seat 101, and the sliding member 160 can abut against the four locking hooks 110 to simultaneously maintain the four locking hooks 110 in the open position or the closed position, as shown in FIGS. 4-5 .
[0066] As shown in Fig. 4, Fig. 10-13, and Fig. 23-26, the sliding member 160 is roughly rectangular, and the four corners of the sliding member 160 are respectively provided with blocking parts 161, and the four blocking parts 161 are respectively in contact with each locking hook 110. The sliding member 160 has a locking position and a release position. When the sliding member 160 is in the locking position, its four blocking parts 161 simultaneously keep the four locking hooks 110 in the closed position. When the sliding member 160 slides to the release position along the direction indicated by the arrow F1, the four locking hooks 110 can be pivoted to their open positions, and then the four blocking parts 161 can again contact the locking hooks 110 to keep them in the open position. The four locking hooks 110 are driven by one sliding member 160 to achieve locking and release synchronously, so that the structure is simplified. One end of the third reset member 170 is fixed to the sliding member 160, and the other end thereof is fixed to the mounting seat 101. The third reset member 170 constantly causes the sliding member 160 to slide toward its locking position. Through the elastic force of the third reset member 170, the sliding member 160 constantly has a force abutting against the locking hook 110, so that the sliding member 160 can keep the locking hook 110 in the closed position or the open position.
[0067] As shown in FIG. 4 and FIG. 9 , the third reset member 170 can be a tension spring, but it is not limited thereto, and other elastic components can be selected. In the present invention, there are two third reset members 170, which are arranged at intervals. The front end of each third reset member 170 is connected to the sliding member 160, and the rear end thereof is connected to the mounting seat 101. The third reset member 170 always has the force to pull the sliding member 160 toward the rear end of the mounting seat 101, that is, always makes the sliding member 160 move toward the rear end of the mounting seat 101, that is, the direction opposite to the direction indicated by the arrow F1 in FIG. 4 and FIG. 10 . Therefore, the blocking portion 161 respectively presses against the front side of the locking hook 110. Of course, in another embodiment, as shown in FIG. 23-26 , the sliding member 160 can also press against the rear side of the locking hook 110, and at this time, the force of the third reset member 170 on the sliding member 160 is set in the opposite direction.
[0068] As shown in FIGS. 1-5, 8, and 12-13, when the clamping rod 201 pushes the hook portion 111 of the locking hook 110 downward to make it pivot, the hook portion 111 of the locking hook 110 pivots to the top of the clamping rod 201, that is, the locking hook 110 rotates to the closed position. During this process, the locking hook 110 deforms the fifth restoring member 130. When the locking hook 110 is in the closed position, the sliding member 160 resists the lower end of the locking hook 110 to keep it in the closed position. When the sliding member 160 slides to the unlocking position along the direction indicated by the arrow F1, the locking hook 110 loses the force of the sliding member 160, and the fifth restoring member 130 recovers its deformation and drives the locking hook 110 to automatically pivot to the open position along the direction indicated by the arrow F3 in Figures 12-13, so that the locking hook 110 is disengaged from the locking of the locking rod 201, allowing the locking rod 201 to move out of the locking groove 102 of the locking hook 110, allowing the seat body 2 to be moved away from the seat base 1. For the locking hook 110 in the open position, the sliding member 160 will again abut against the lower end of the locking hook 110 under the force of the third restoring member 170 to keep it in the open position, so that the locking hook 110 cannot be closed.
[0069] In the present invention, the movement of the sliding member 160 drives the linkage mechanism 200 to move, thereby causing the indicating mechanism 300 to change the indicating state.
[0070] Specifically, as shown in FIGS. 6 , 7 , and 10 - 11 , the linkage mechanism 200 includes a linkage member 210 , a first restoring member 220 , a rotating member 230 , a push button 240 , and a second restoring member 250 .
[0071] As shown in FIGS. 6, 7 and 11, the linkage 210 is movably disposed in the mounting seat 101 and one end of the linkage 210 is connected to the indication area. The linkage 210 has a first indication position and a second indication position relative to each other. When the linkage 210 is in different indication positions, the indication area is in different indication states. The first reset member 220 is disposed between the linkage 210 and the mounting seat 101. The first reset member 220 constantly moves the linkage 210 to its second indication position, as shown in FIGS. 10 and 16.
[0072] As shown in Figures 9-11 and 17, the rotating member 230 is roughly an L-shaped sheet structure, and the roughly middle part of the rotating member is pivoted to the mounting seat 101. The rotating member 230 has a first connecting end 231 and a second connecting end 232. The first connecting end 231 and the second connecting end 232 are arranged at an angle relative to the pivot axis of the rotating member 230. The first connecting end 231 is pivoted to the linkage 210, and the second connecting end 232 has a vertically extending abutment portion 233, that is, the abutment portion 233 extends axially along the pivot axis of the rotating member 230. The abutment portion 233 is located below the push button 240 and abuts therewith. When the push button 240 acts on the abutment portion 233, it can drive the rotating member 230 to rotate. In addition, the sliding member 160 has a downwardly protruding push protrusion 162, which is slidably matched with the upper end of the push button 240. When the sliding member 160 slides, the push protrusion 162 pushes the push button 240 to slide downward, that is, slides in the opposite direction indicated by the arrow F2 in Figure 11.
[0073] As shown in Figures 9, 11, and 15, the upper end of the push button 240 has a protrusion 241 protruding along its radial direction. The second reset member 250 is sleeved outside the push button 240 and abuts against the mounting seat 101 and the protrusion 241 respectively. The second reset member 250 constantly moves the push button 240 in the opposite direction of being pushed by the locking mechanism 100.
[0074] As shown in FIGS. 1, 16-17, the indication area of the indication mechanism 300 is specifically divided into a first indication area 310 and a second indication area 320, both of which are arranged at one end of the linkage member 210 away from the rotating member 230. The first indication area 310 and the second indication area 320 can be set to different colors, patterns or other warning signs. For example, in this embodiment, the first indication area 310 is set to green and the second indication area 320 is set to red, so as to clearly indicate the state of the locking hook 110.
[0075] In addition, referring to Figures 1 and 4, the indicating mechanism 300 also includes an indicating window 330 disposed at the front end of the mounting seat 101, and the first indicating area 310 and the second indicating area 320 are disposed below the indicating window 330. When the linkage 210 moves, the first indicating area 310 and the second indicating area 320 are selectively opposite to the indicating window 330, that is, the indicating area is switched between the first indicating state and the second indicating state, wherein the first indicating area 310 corresponds to the first indicating state, and the second indicating area 320 corresponds to the second indicating state.
[0076] In combination with FIGS. 10-11 and 16-17, during the engagement of the seat base 1 with the seat body 2, the sliding member 160 moves in the opposite direction as indicated by the arrow F1 in FIGS. 10 and 14, and the push protrusion 162 on the sliding member 160 presses the push button 240 downward, and the push button 240 moves downward, that is, moves in the opposite direction as indicated by the arrow F2 in FIGS. 11 and 15. During this process, the second reset member 250 is compressed and deformed. During the downward movement of the push button 240, the abutment portion 233 of the rotating member 230 is pushed, so that the rotating member 230 pivots around its pivot axis in the direction indicated by the arrow F5 in FIGS. 7 and 11, thereby causing the first connecting end 231 to swing and drive the linkage member 210 to slide in the direction indicated by the arrow F4 in FIGS. 10-11. During this process, the linkage member 210 pushes the first reset member 220 to deform it. When the seat body 2 is fully engaged with the seat base 1, the locking hook 110 pivots to the closed position, the sliding member 160 is in the locked position and the push button 240 is kept in a lower position, and the linkage 210 slides to the first indication position, that is, the first indication area 310 (green area) is opposite to the indication window 330, that is, the indication area is in the first indication state, indicating that the seat body 2 is fully engaged with the seat base 1.
[0077] When the seat body 2 and the seat base 1 are unfastened, the locking hook 110 is released. When the sliding member 160 moves in the direction indicated by the arrow F1 in FIG. 10 , the push protrusion 162 on the sliding member 160 is disengaged from the push button 240, and the push button 240 slides upward in the direction indicated by the arrow F2 in FIG. 11 under the action of the second reset member 250. At the same time, the first reset member 220 restores its deformation and acts on the linkage member 210 to make it slide in the opposite direction indicated by the arrow F4 in FIG. 10-11. When the linkage member 210 slides to the second indication position, the second indication area 320 (red area) is opposite to the indication window 330, that is, the indication state of the driving indication area is converted into the second indication state, indicating that the seat base 1 and the seat body 2 are not connected.
[0078] In one embodiment, as shown in FIGS. 4 , 6 to 11 , and 14 to 15 , the release mechanism 400 includes a driving member 410 , a first push rod 420 , a second push rod 430 , a fourth reset member 440 , a pull handle 450 , and a traction member 460 .
[0079] As shown in Figures 4, 6-11, and 14-15, the driving member 410 is movably installed on the mounting base 101 and has a relative first position and a second position. The first push rod 420 is movably arranged and slidingly cooperates with the driving member 410. The moving direction of the first push rod 420 is staggered with the moving direction of the driving member 410. The second push rod 430 is inserted into the push button 240 and is movably arranged. The two ends of the second push rod 430 respectively abut the first push rod 420 and the sliding member 160. The first push rod 420 drives the second push rod 430 to move in the same direction. When the driving member 410 is forced to move in the direction indicated by the arrow F4 in Figures 7, 10-11, and 14-15, the first push rod 420 can be driven to move in the direction indicated by the arrow F2 to push the second push rod 430, so that the second push rod 430 moves in the direction indicated by the arrow F2 to drive the sliding member 160 to move in the direction indicated by the arrow F1 and break away from the resistance to the locking hook 110, so that the locking hook 110 can pivot to the open position.
[0080] As shown in Fig. 7 and Fig. 9, the driving member 410 is provided with staggered driving inclined grooves 411 and sliding grooves 412. The sliding grooves 412 extend along the sliding direction thereof, and the mounting seat 101 is provided with a mounting block 104, and the mounting block 104 is provided with a third guide post 105, which can be inserted into the sliding groove 412 and can slide along the sliding groove 412, thereby realizing the sliding connection between the driving member 410 and the mounting block 104. The first push rod 420 is slidably connected in the mounting block 104, and the first push rod 420 is provided with a first guide post 421, which is inserted into the driving inclined groove 411 and can slide along the driving inclined groove 411, thereby realizing the sliding connection between the first push rod 420 and the driving member 410. When the driving member 410 slides from the first position to the second position along the direction indicated by the arrow F4 in Figures 7, 10-11, and 14-15, the driving inclined groove 411 acts on the first guide column 421 to drive the first push rod 420 to move upward along the direction indicated by the arrow F2. The fourth reset member 440 is arranged between the driving member 410 and the mounting block 104. During the sliding process of the driving member 410 to the second position, the fourth reset member 440 is compressed, so the fourth reset member 440 always moves the driving member 410 to its first position.
[0081] As shown in Figures 9 and 15, the second push rod 430 is slidably connected to the mounting base 101 through a pin. The end of the second push rod 430 away from the first push rod 420 is provided with a driving inclined surface 431, and the approximately middle part of the sliding member 160 is provided with a driven inclined surface 163 that matches the driving inclined surface 431. When the second push rod 430 moves upward in the direction indicated by the arrow F2, the driving inclined surface 431 acts on the driven inclined surface 163 to drive the sliding member 160 to move in the direction indicated by the arrow F1.
[0082] As shown in Fig. 1, Fig. 4, Fig. 6-7, the pull handle 450 is disposed at the front end of the seat base 1 and exposed on the upper surface of the seat base 1 for user operation. The traction member 460 is connected between the pull handle 450 and the driving member 410. When the pull handle 450 is operated, the driving member 410 is pulled by the traction member 460 to slide from the first position to the second position. The traction member 460 may be a steel wire rope, but is not limited thereto, and may also be other similar components with toughness and strength.
[0083] As shown in the following in conjunction with FIG. 4, FIG. 6-11, and FIG. 14-15, when the driving member 410 is in the first position, the first push rod 420 is retracted into the driving member 410, as shown in FIG. 7, FIG. 11, and FIG. 15, and the fourth reset member 440 is in a natural state. At this time, the sliding member 160 is in a locked position and keeps the locking hook 110 in its closed position. Pulling the handle 450 causes the driving member 410 to slide along the direction indicated by the arrow F4 in FIG. 7, FIG. 10-11, and FIG. 14-15 through the traction member 460. During this process, the driving member 410 acts on the fourth reset member 440 to cause it to deform. During the sliding process of the driving member 410, the first push rod 420 is driven to slide upward along the direction indicated by the arrow F2 through the driving inclined groove 411, and the first push rod 420 pushes the second push rod 430 to slide upward along the direction indicated by the arrow F2, and the driving inclined surface 431 on the second push rod 430 acts on the driven inclined surface 163 to drive the sliding member 160 to move along the direction indicated by the arrow F1 until the sliding member 160 moves to the unlocking position. During the sliding process of the sliding member 160, the third reset member 170 is further stretched. When the sliding member 160 moves to the unlocking position, the locking hook 110 can automatically pivot and open under the action of the fifth reset member 130.
[0084] After releasing the pull handle 450, the driving member 410 is reset to the first position under the action of the fourth reset member 440, thereby driving the first push rod 420 to slide downward in the opposite direction of the direction indicated by the arrow F2, and then causing the second push rod 430 to slide downward in this direction. The sliding member 160 loses the force of the second push rod 430, and is therefore reset under the action of the third reset member 170, thereby abutting against the locking hook 110 again to keep it in the open position.
[0085] In another embodiment, as shown in FIGS. 22-34 , the release mechanism 400 includes a first pivot member 410 a , a first pushing member 420 a , a second pushing member 430 a , a second pivot member 440 a , a seventh restoring member 450 a , a handle 450 and a pulling member 460 .
[0086] Specifically, the first pivot member 410a is roughly in a triangular sheet structure, and the first pivot member 410a has a first pivot end 411a, a driving end 412a and a free end 413a at the positions of roughly three vertices, as shown in Figures 28 and 30. The first pivot end 411a is pivoted to the mounting seat 101 and connected to one end of the traction member 460. The first pivot member 410a can rotate to the third position or the fourth position with the first pivot end 411a as the center. The mounting seat 101 is provided with a mounting cylinder 106, and the mounting cylinder 106 is provided with a driving guide groove 107 arranged along the F2 direction in Figures 28 and 30. The first push member 420a is generally in a columnar structure and is slidably disposed in the mounting tube 106. The first push member 420a is provided with a second guide column 421a, as shown in FIGS. 32 and 34. The second guide column 421a is inserted into the driving guide groove 107 and moves along the driving guide groove 107, thereby realizing the sliding connection between the first push member 420a and the mounting tube 106. The second guide column 421a passes through the driving guide groove 107 and passes through the mounting tube 106 to connect with the driving end 412a. When the first pivot member 410a rotates from the third position to the fourth position along the direction indicated by the arrow F8 in FIGS. 27 and 29, the driving end 412a of the first pivot member 410a moves upward along the driving guide groove 107 along the direction indicated by the arrow F2, and at the same time, the driving guide groove 107 acts on the second guide column 421a to drive the first push member 420a to move upward along the direction indicated by the arrow F2, as shown in FIGS. 32 and 34.
[0087] As shown in FIGS. 32 and 34 , the second push member 430a is movably disposed between the first push member 420a and the sliding member 160. The second push member 430a has a mounting groove 431a, and the second pivot member 440a is rotatably disposed in the mounting groove 431a. The outer side of the bottom wall of the mounting groove 431a abuts against the first push member 420a. The second pivot member 440a is roughly in a triangular sheet structure. The second pivot member 440a has a second pivot end 441a and abutting end 442a at approximately two vertices, respectively. The second pivot end 441a is pivotally connected to the side wall of the mounting groove 431a, and the abutting end 442a is used to abut against the sliding member 160. Specifically, an abutting protrusion 164 can be provided at a position approximately in the middle of the sliding member 160, and the abutting end 442a is used to abut against the abutting protrusion 164. When the first pivot member 410a is forced to rotate in the direction indicated by the arrow F8 in Figures 27 and 29, the first pushing member 420a can be driven to move in the direction indicated by the arrow F2 to push the second pushing member 430a, so that the second pushing member 430a pushes the second pivot member 440a to rotate in the direction indicated by the arrow F9 in Figures 32 and 34, so that the abutting end 442a pushes the abutting protrusion 164, so as to drive the sliding member 160 to move in the opposite direction of the direction indicated by the arrow F1 and disengage from the abutment with the locking hook 110, so that the locking hook 110 can pivot to the open position, as shown in Figures 23-26.
[0088] As shown in Figures 32 and 34, the seventh reset member 450a is respectively in contact with the first pivot member 410a and the mounting seat 101. When the first pivot member 410a rotates in the direction indicated by the arrow F8 in Figures 27 and 29, the seventh reset member 450a is compressed. Therefore, the seventh reset member 450a always causes the first pivot member 410a to rotate in the opposite direction of the direction indicated by the arrow F8 in Figures 27 and 29 to achieve a tendency to reset.
[0089] As shown in FIGS. 19 and 20 , there are two handles 450, which are respectively disposed on both sides of the mounting seat 101 and exposed on the side surface of the mounting seat 101, so as to facilitate user operation. The design of the handle 450 being located on the side of the mounting seat 101 is more convenient to operate than the design of the handle 450 being located on the front end of the mounting seat 101 in the aforementioned embodiment, because the front end of the mounting seat 101 is often difficult to reach due to the obstruction of the seat body 2 and the front car seat, while the side of the mounting seat 101 is directly opposite to the operator, so it is easier to operate.
[0090] In FIGS. 20, 27 and 29, there are two traction members 460, and each traction member 460 is connected between the pull handle 450 and the first pivot member 410a on one side. When the pull handle 450 is operated, the first pivot member 410a is pulled and driven by the traction member 460 to rotate from the third position to the fourth position. In this embodiment, the first pivot member 410a can be pulled and driven by the traction member 460 by operating the pull handle 450 upward. Of course, in other embodiments, the pull handle 450 can also be operated in other ways. Among them, the traction member 460 can be a steel wire rope, but it is not limited to this, and can also be other similar components with toughness and strength. Specifically, a guide member 108 is provided on the mounting seat 101, and the guide member 108 has an arc-shaped guide portion. One end of the pulling member 460 is connected to the pull handle 450 on either side, and the other end of the pulling member 460 enters the mounting seat 101 along the direction indicated by the arrow F6 (i.e., the horizontal width direction of the mounting seat 101), and under the guidance of the guide member 108, bypasses the guide part and connects to the first pivot member 410a along the direction indicated by the arrow F7 (i.e., the length direction of the mounting seat 101).
[0091] As shown in Figures 21-34, when the first pivot member 410a is in the third position, the first push member 420a is in a relatively lower position in the installation tube 106, as shown in Figure 32, and the seventh reset member 450a is in a natural state. At this time, the sliding member 160 is in the locking position and keeps the locking hook 110 in its closed position, as shown in Figure 30. Pulling the pull handle 450 causes the first pivot member 410a to rotate in the direction indicated by the arrow F8 in Figure 29 through the traction member 460. During this process, the first pivot member 410a acts on the seventh reset member 450a to deform it. During the rotation of the first pivot member 410a, the first push member 420a is driven to slide upward in the direction indicated by the arrow F2 through the driving guide groove 107. The first pushing member 420a pushes the second pushing member 430a to slide upward in the direction indicated by the arrow F2, and the side wall or bottom wall of the mounting groove 431a of the second pushing member 430a pushes the second pivoting member 440a to rotate in the direction indicated by the arrow F9 in FIG. 32, so that the abutting end 442a pushes the abutting protrusion 164 to drive the sliding member 160 to move in the opposite direction indicated by the arrow F1, until the sliding member 160 moves to the unlocking position, as shown in FIG. 34. During the sliding process of the sliding member 160, the third restoring member 170 is further stretched. When the sliding member 160 moves to the unlocking position, the locking hook 110 can automatically pivot and open under the action of the fifth restoring member 130.
[0092] After the handle 450 is released, the first pivot member 410a is reset to the third position under the action of the seventh reset member 450a, thereby driving the first push member 420a to slide downward in the direction opposite to the direction indicated by the arrow F2, and then causing the second push member 430a to slide downward in the direction, as shown in FIG32. The second pivot member 440a rotates in the direction opposite to the direction indicated by the arrow F9 and no longer pushes against the abutting protrusion 164, as shown in FIG32. The sliding member 160 loses the force of the second pivot member 440a, and is reset under the action of the third reset member 170, thereby abutting against the locking hook 110 again to keep it in the open position, as shown in FIG28.
[0093] 1-34, the working principle of the seat base 1 of the child safety seat of the present invention is explained.
[0094] When the seat body 2 is not connected to the seat base 1, under the elastic force of the fifth reset member 130, the locking hook 110 is located in the open position shown in Figures 5-6. At the same time, the sliding member 160 is located in the unlocking position shown in Figure 6, and the linkage member 210 is located in the second indication position, that is, the second indication area 320 (red area) is opposite to the indication window 330.
[0095] When the locking rod 201 of the seat body 2 is inserted into the locking groove 102 on the seat base 1, the locking rod 201 will push the hook portion 111 of the locking hook 110 downward to make it pivot around the pivot axis 113, thereby driving the locking hook 110 to overcome the elastic force of the fifth reset member 130 and make the hook portion 111 rotate to the top of the locking rod 201, so as to achieve the locking of the locking rod 201 moved into the locking groove 102. After the locking hook 110 pivots around its pivot axis 113, the stopper 140 abuts against the fixing member 120 to keep the locking of the locking hook 110 stable. After the locking hook 110 is rotated and engaged with the locking rod 201, the sliding member 160 will slide in the reverse direction indicated by the arrow F1 in Figures 4, 6, 10-11, and 14 under the elastic force of the third reset member 170, and then abut against the locking hook 110 again to keep it in the closed position.
[0096] During the sliding process, the push protrusion 162 below the sliding member 160 will push the push button 240 downward in the opposite direction of the direction indicated by the arrow F2 in Figures 11 and 14-15. During the movement of the push button 240, it acts on the abutment portion 233 of the rotating member 230, causing the rotating member 230 to pivot around its pivot axis in the direction indicated by the arrow F5 in Figure 11, thereby causing the first connecting end 231 of the rotating member 230 to swing and drive the linking member 210 to slide in the direction indicated by the arrow F4 in Figures 10-11 and 16, so that the first indication area 310 (green area) is directly opposite to the indication window 330, that is, indicating that the seat body 2 is engaged with the seat base 1. In addition, during the downward movement of the push button 240, the second reset member 250 is squeezed to deform, and during the sliding process of the linking member 210, the first reset member 220 is squeezed to deform.
[0097] When the seat body 2 needs to be removed from the seat base 1, in one embodiment, the operator pulls the handle 450, and the handle 450 drives the driving member 410 to slide toward the second position in the direction indicated by the arrow F4 in Figures 7, 10-11, and 14-15. During this process, the driving member 410 drives the first push rod 420 to move upward in the direction indicated by the arrow F2, and the first push rod 420 then pushes the second push rod 430 to continue moving in this direction. The driving inclined surface 431 of the second push rod 430 acts on the driven inclined surface 163 of the sliding member 160, driving the sliding member 160 to move in the direction indicated by the arrow F1, so that the four blocking parts 161 thereon are separated from the interference with the locking hook 110. At this time, the locking hook 110 automatically pivots to its open position under the action of the fifth reset member 130, so that the hook part 111 rotates away from the engaging groove 102. At this time, the seat body 2 can be lifted from the seat base 1 to achieve disassembly.
[0098] During the movement of the sliding member 160 in the direction indicated by the arrow F1, the push protrusion 162 of the sliding member 160 gradually separates from the push button 240 and loses the downward force on it, so the push button 240 is reset upward under the action of the second reset member 250, that is, the push button 240 moves upward in the direction indicated by the arrow F2 in Figures 11 and 14-15, and then loses the force on the abutment portion 233 of the rotating member 230. At this time, the linkage member 210 can be reset under the action of the first reset member 220, that is, it slides in the opposite direction of the direction indicated by the arrow F4, so that its second indication area 320 (red area) is opposite to the indication window 330 again, indicating that the seat body 2 is not engaged with the seat base 1.
[0099] In another embodiment, the operator operates the pull handle 450, and the pull handle 450 drives the first pivot member 410a to rotate toward the fourth position along the direction indicated by the arrow F8 in Figures 27 and 29. During this process, the first pivot member 410a drives the first push member 420a to move upward along the direction indicated by the arrow F2, and the first push member 420a pushes the second push member 430a to continue moving in the direction, and the second push member 430a pushes the second pivot member 440a, so that the second pivot member 440a moves along the direction indicated by the arrow F2 in Figures 32 and 33. 4, the abutting end 442a of the second pivoting member 440a acts on the abutting protrusion 164 of the sliding member 160, driving the sliding member 160 to move in the opposite direction as indicated by the arrow F1, so that the four blocking portions 161 thereon are disengaged from the abutment with the locking hook 110. At this time, the locking hook 110 is automatically pivoted to its open position under the action of the fifth restoring member 130, so that the hook portion 111 is rotated away from the engaging groove 102. At this time, the seat body 2 can be lifted from the seat base 1 to achieve disassembly.
[0100] During the reverse movement of the sliding member 160 in the direction indicated by the arrow F1, the push protrusion 162 of the sliding member 160 gradually separates from the push button 240 and loses the downward force on it, so the push button 240 is reset upward under the action of the second reset member 250, that is, the push button 240 moves upward in the direction indicated by the arrow F2 in Figures 28 and 30, and then loses the force on the abutment portion 233 of the rotating member 230. At this time, the linkage member 210 can be reset under the action of the first reset member 220, that is, it slides in the reverse direction indicated by the arrow F4, so that its second indication area 320 (red area) is opposite to the indication window 330 again, indicating that the seat body 2 is not engaged with the seat base 1.
[0101] In summary, the seat base 1 of the present invention is provided with a linkage mechanism 200 between the snap mechanism 100 and the indicating mechanism 300, and the snap connection between the seat base 1 and the seat body 2 is realized through the snap mechanism 100, and when the snap mechanism 100 is snap-connected or snap-disconnected with the seat body 2, the linkage mechanism 200 can drive the indicating mechanism to present different indicating states. In this way, the user can conveniently check the connection state between the seat base 1 and the seat body 2, which is more convenient and safer to use. At the same time, the seat base 1 has a simple structure, and the manufacturing difficulty and manufacturing cost are both low.
[0102] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0103] The above-mentioned embodiments only express several implementation methods of the present invention, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the invention patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which are all within the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.
[0104] 1: Seat base 2: Seat body 100: snap-fit mechanism 200: Linkage mechanism 300: Instruction Agency 400: Release mechanism 101: Mounting seat 102: snap-fit slot 110: Locking hook 201:Card rod 103:Fixed plate 120:Fixer 130: Fifth reset member 140: Stopper 150: Sixth reset member 160: Sliding part 170: Third reset member 113: Pivot shaft 111:Hook 112: Locking groove 141: Raised part 161: blocking part 210: Linking parts 220: First reset member 230: Rotating parts 240: Push Button 250: Second reset member 231: first connection end 232: Second connection terminal 233:Butt part 162: Push convex 241: Bump 310: First indication area 320: Second indication area 330: Indicator window 410: driving member 420: First ejector 430: Second ejector 440: Fourth reset member 450:Handle 460: Traction parts 411: Driving chute 412: Sliding slot 104: Installation Block 105: Third guide post 421: First guide post 431: Driving ramp 163: Driven ramp 410a: first pivot member 420a: first push member 430a: second push member 440a: second pivot member 450a: seventh reset member 411a: first pivot end 412a: driving end 413a: Free end 106: Install the cylinder 107: Driving guide groove 421a: Second guide post 431a: Installation slot 441a: second pivot end 442a: abutment end 108: Guide F1-F9: Direction
Claims
1. A seat base for a child safety seat, comprising: Mounting base; A locking mechanism is provided for engaging with the seat body. The locking mechanism includes: a locking hook for detachably engaging with the seat body; a sliding member disposed on the mounting base; and a release mechanism, including: a first pivot member pivotally connected to the mounting base; and a first pusher member movably disposed and used to drive the sliding member to move. When the first pivot member is rotated under force, it can drive the first pusher member to move in a direction intersecting the sliding direction of the sliding member, thereby causing the first pusher member to drive the sliding member to slide.
2. The seat base as described in claim 1, wherein, The locking hook is pivotally connected to the mounting base and has an open position and a closed position. The sliding member can hold the locking hook in the open position or the closed position.
3. The seat base as described in claim 2, wherein, The locking mechanism further includes a third reset member, which abuts against the slider and the mounting base respectively, and the third reset member constantly causes the slider to move in the direction of keeping the locking hook in the open position.
4. The seat base as described in claim 2, wherein, The locking mechanism further includes a fixing member mounted on the mounting base and a fifth reset member connected to the fixing member. The locking hook is pivotally connected to the fixing member and abuts against the fifth reset member. The fifth reset member constantly rotates the locking hook toward the open position.
5. The seat base as described in claim 4, wherein, The engaging mechanism further includes a stop block and a sixth reset member. One end of the stop block is pivotally connected to the mounting base, and the other end of the stop block is connected to the locking hook. The sixth reset member abuts against the stop block and the mounting base respectively.
6. The seat base as claimed in claim 1, wherein, The mounting base has a drive guide groove that is intersected with the sliding direction of the sliding member. The first push member has a second guide post. The second guide post is connected to the first pivot member. The second guide post is inserted into the drive guide groove and moves along the drive guide groove. When the first pivot member rotates, it acts on the second guide post through the drive guide groove to drive the first push member to move.
7. The seat base as claimed in claim 1, wherein, The unlocking mechanism further includes a second pushing member and a second pivot member. The second pushing member is movably disposed between the first pushing member and the sliding member. The second pivot member is pivotally connected to the second pushing member and abuts against the sliding member. When the first pushing member moves, it pushes the second pushing member to move in the same direction, thereby driving the second pivot member to rotate and simultaneously pushing the sliding member to slide.
8. The seat base as claimed in claim 1, wherein, The unlocking mechanism further includes at least one handle movably mounted on the mounting base, the at least one handle being connected to the first pivot member, and the first pivot member being driven to rotate by the at least one handle.
9. The seat base as claimed in claim 1, wherein, The unlocking mechanism further includes a seventh reset member, which abuts against the first pivot member and the mounting base respectively, and is used to drive the first pivot member to reset.
10. The seat base as claimed in claim 1, further comprising: The indicating mechanism includes an indicating area for indicating the engagement state of the seat base and the seat body; A linkage mechanism is provided between the engaging mechanism and the indicating mechanism. The linkage mechanism includes: a rotating member rotatably connected to the mounting base; and a linkage connecting the rotating member and the indicating area. Wherein, when the sliding member slides, it can drive the rotating member to rotate, thereby moving the linkage and thus moving the indicating area.