Safety belt clamp device and child seat for vehicle

Abstract

To provide a safety belt clamp device which prevents misuse and is highly safe. [Solution] The safety belt clamp device according to the present invention includes a clamp member (1) having a connection portion (11) on a side of the clamp member (1), and further includes a locking mechanism (2) attached to another side of the clamp member (1). The locking mechanism (2) includes a drive member (22), a locking member (23), and an elastic member. The locking member (23) is movably provided on the side of the clamp member (1) and has a locked position and an unlocked position. The elastic member is provided on the side of the locking member (23) and is configured so that the locking member (23) always has a tendency to move from the unlocked position to the locked position. The drive member (22) is movably provided on the side of the clamp member (1). The drive member (22) is configured to drive the clamp member (1) so that it can be switched between the locked position and the unlocked position.

Description

[Technical field]

[0001] This application is This is the Japanese national phase of International Application No. PCT / EP2022 / 050775, filed on January 14, 2022. This application claims priority from Chinese Patent Application No. 202120118334.4 (filed on January 15, 2021, entitled "Safety Belt Clamping Device and Vehicle Child Seat"), the entire contents of which are incorporated herein by reference. This application relates to the field of children's equipment, and in particular to a safety belt clamping device and a vehicle child seat. [Background technology]

[0002] The seats of the relevant vehicle are always equipped with safety belt arrangements, which may be configured to protect adult occupants or to secure child safety seats for carrying infants or young children.

[0003] In the case of a child safety seat, the safety seat is usually attached to the vehicle seat by a clamping device that clamps the vehicle safety belt. When the clamping device is released, the safety belt is free to move, facilitating fastening and unfastening of the safety belt. When the clamping device is locked, the safety belt is fixed to the child safety seat, and the connection between the child safety seat and the vehicle seat is realized. The existing clamping device includes an unlocking button and a locking hook, the unlocking button and the locking hook are fixed, and the child safety seat is provided with a locking pin corresponding to the locking hook. By operating the unlocking button, the locking hook engages or disengages with the locking pin, and the clamping device is in a locked or unlocked state. The mode of driving the locking hook with the unlocking button to lock and unlock is easy to operate and convenient for unlocking, but it is easy for a child to accidentally touch it and unlock it, which seriously threatens the safety of the child in the car when using the child safety seat.

[0004] Therefore, there is an urgent need for a safety belt clamping device that solves the above problems. Summary of the Invention [Problem to be solved by the invention]

[0005] It is an object of the present invention to provide a safety belt clamp device which is highly safe and prevents misuse. It is another object of the present invention to provide a child seat for a vehicle which is highly safe. [Means for solving the problem]

[0006] In order to achieve the above object, the present invention provides a safety belt clamping device including a clamping member having a connecting portion on a side of the clamping member. The safety belt clamping device further includes a locking mechanism attached to another side of the clamping member. The locking mechanism includes a drive member, a locking member, and an elastic member. The locking member is movably provided on the side of the clamping member, and has a locked position and an unlocked position. The elastic member is installed on the side of the clamping member, and is configured to maintain a tendency for the locking member to always move from the unlocked position to the locked position. The drive member is movably provided on the side of the clamping member, and the drive member is Locking member to switch between a locked position and an unlocked position.

[0007] In some embodiments according to the present invention, the safety belt clamping device further includes an operating member coupled to the drive member, the drive member being configured to move in response to operation of the operating member and drive the locking member to switch between the locked position and the unlocked position.

[0008] In some embodiments according to the present invention, the drive member is pivotally connected to the clamp member and the locking member is pivotally connected to the clamp member.

[0009] In some embodiments according to the present invention, the drive member extends towards the locking member to form an abutting portion, and the locking member extends to form a push matching portion that corresponds to the abutting portion, and the push matching portion is configured to rotate when pressed by the abutting portion.

[0010] In some embodiments according to the present invention, the abutment portion is a hook and the press-together portion is a protruding structure formed by the locking member extending toward the interior of the hook.

[0011] In some embodiments according to the present invention, the locking member Lock position When the contact portion is in the position, the contact portion is separated from the pressing portion, and the contact portion is Lock position from Unlocked position The lock member is brought close to the pressing portions in order to press the pressing portions together via a lock member which rotates smoothly.

[0012] In some embodiments according to the present invention, the locking member includes a locking member body and a locking hook formed by an outward extension of the locking member body. The press-fit portion is disposed on the outside of the locking member body. The locking hook and the press-fit portion are disposed in a spaced relationship from each other.

[0013] In some embodiments according to the present invention, the operating member has a connection opening, and the drive member extends towards the connection opening to form a connection lug, which is inserted into the connection opening to connect.

[0014] In some embodiments according to the present invention, the operating member includes an operating member body extending outwardly to form a pulling portion, and the connection opening is disposed inside the operating member body.

[0015] In some embodiments according to the present invention, the puller and the connection opening are disposed on two side surfaces of the operating member, and the puller has a plate-like structure.

[0016] In some embodiments according to the present invention, the longitudinal cross-section of the operating member along the length of the clamping member has a similar T shape. One end of the upper part of the operating member is the operating member body, the other end of the upper part of the operating member is the tension part, and the middle and lower parts of the operating member are the support parts, which are approximately perpendicular to the operating member body and the tension part. The connection opening is disposed between the operating member body and the support part of the operating member.

[0017] In order to achieve the above object, the present invention provides a child seat for a vehicle, including the above safety belt clamp device.

[0018] In some embodiments according to the present invention, the child seat for a vehicle further includes a seat body. The connection portion of the clamp member is pivotally connected to the seat body. The clamped part is clamped or released by the pivoting of the clamp member. The seat body is provided with a locking engaging part corresponding to the locking member. When the locking member is in the locking position, the locking member engages with the locking engaging part to lock the pivoting of the clamping member relative to the seat body.

[0019] In some embodiments of the present invention, the seat body includes a clamp groove corresponding to the clamp member, the lock engagement portion is disposed in the clamp groove, and when the lock member engages with the lock engagement portion, the clamp member is disposed in the clamp groove.

[0020] In some embodiments according to the present invention, the safety belt clamping device is arranged in the seating portion of the seat proper.

[0021] Compared with the related art, the safety belt clamping device of the present invention provides a locking mechanism, which includes an operating member, a driving member, a locking member and an elastic member, the locking member is movably disposed on the side of the clamping member, has a locked position and an unlocked position, and is movably switched between the locked position and the unlocked position, and accordingly the clamping member realizes firmly clamping or unlocking the clamped outer piece. The elastic member is attached to the side of the clamping member, which allows the locking member to have a tendency to always move from the unlocked position to the locked position, so that the locking member is held in the locked position and the clamping member firmly clamps the clamped part. The driving member is movably disposed on the side of the clamping member, and the operating member is connected to the driving member, and the driving member moves in response to the operation of the operating member to drive the locking member to switch between the locked position and the unlocked position, thereby driving the locking member to overcome the elastic force of the elastic member to switch from the locked position to the unlocked position, and the clamping member releases the clamped part to realize unlocking. The driving member is provided between the operating member and the locking member, and the driving member functions as a driving structure and forms an extension portion, thereby avoiding the risk of unlocking being triggered by slight contact in the related art, effectively preventing erroneous unlocking due to inadvertent contact by a child, ensuring the safety of children in the vehicle and achieving high safety. [Brief description of the drawings]

[0022] [Figure 1] FIG. 1 is a perspective view showing a schematic structure of a child seat for a vehicle when a seat belt clamping device according to the present invention is firmly clamping an object to be clamped. [Diagram 2] FIG. 2 is a perspective view showing a schematic structure of a child seat for a vehicle when the seat belt clamping device according to the present invention releases an object to be clamped. [Diagram 3] FIG. 3 is a schematic perspective view showing a part of the internal structure of the child seat for a vehicle shown in FIG. [Figure 4]FIG. 4 is a state diagram showing the child vehicle seat of FIG. 3 with the locking member in the locked position. [Diagram 5] FIG. 5 is a state diagram showing the child vehicle seat of FIG. 3 with the locking member in the unlocked position. [Figure 6] FIG. 6 is a schematic perspective view showing the structure of the safety belt clamp device according to the present invention. [Figure 7] FIG. 7 is another schematic perspective view showing the structure of the safety belt clamp device according to the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0023] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In order to explain in detail the technical contents, structural features, objectives and effects achieved by the present invention, the present specification will describe in detail the embodiments with reference to the accompanying drawings.

[0024] 1 to 4, the present invention provides a child seat for a vehicle 100 including a seat body 20 and a safety belt clamping device 10. The safety belt clamping device 10 is configured to clamp or release a clamped part (not shown in the drawings). In this embodiment, the clamping object is a safety belt in a vehicle, and the clamping object is configured to fix the seat body 20 of the child seat for a vehicle 100 to the vehicle. The safety belt clamping device 10 is disposed on a seating portion of the seat body 20. However, the present invention is not limited thereto, and may be configured, for example, as a safety belt. beltThe clamp device may be disposed at the back of the seat body 20 or at other positions. The safety belt clamp device 10 includes a clamp member 1 and a lock mechanism 2. A connection portion 11 that is pivotally connected to the seat body 20 is provided on the side of the clamp member 1, and the clamp object is firmly clamped or released by the pivoting of the clamp member 1. For example, the clamp member 1 pivots about the connection portion 11 toward the seat body 20 in the direction indicated by the arrow A in FIG. 2, and the clamp object is sandwiched between the clamp member 1 and the seat body 20, thereby fixing the seat body 20 to the vehicle. The clamp member 1 pivots about the connection portion 11 in the direction opposite to the direction indicated by the arrow A in FIG. 2, away from the seat body 20, to release the clamp object (not shown) and remove the seat body 20 from the vehicle. The lock mechanism 2 is installed on another side of the clamp member 1, i.e., the connection portion 11 and the lock mechanism 2 are disposed on two opposing side surfaces of the clamp member 1. In this embodiment, the clamp member 1 has a long rod shape, and the connection portion 11 and the lock mechanism 2 are disposed at two opposing ends of the clamp member 1. The lock mechanism 2 includes an operating member 21, a driving member 22, a lock member 23, and an elastic member (not shown). With reference to Figs. 4 and 5, the lock member 23 is movably provided on the side of the clamp member 1, has a locked position shown in Fig. 4 and an unlocked position shown in Fig. 5, and is movably switched between the locked position and the unlocked position. With reference to Figs. 2 to 5, the seat body 20 is provided with a lock engagement portion 201 corresponding to the lock member 23, and when in the locked position, the lock member 23 engages with the lock engagement portion 201 to lock the pivoting of the clamp member 1 relative to the seat body 20, and the external piece clamped by the clamp member 1 is firmly clamped, and when in the unlocked position, the lock member 23 is separated from the lock engagement portion 201, thereby releasing the pivoting of the clamp member 1 relative to the seat body 20, and the clamp member 1 releases the external piece to be clamped. The elastic member is provided on the side of the clamp member 1, enabling the lock member 23 to have a tendency to always move from the unlocked position to the locked position, so that the lock member 23 is held by the lock member and the clamp member 1 firmly clamps the clamped object.In some embodiments, the elastic member is, but is not limited to, a torsion spring. The driving member 22 is movably disposed on the side of the clamp member 1. The driving member 22 is driven by the. Locking member 23 is switched between a locked position and an unlocked position. The operating member 21 is connected to the driving member 22, and in response to the operation of the operating member 21, the driving member 22 moves to drive the locking member 23 to switch between the locked position and the unlocked position, and the locking member 23 overcomes the elastic force of the elastic member and is switched from the locked position to the unlocked position, and accordingly the clamping member 1 releases the clamped object and unlocks it. In addition, the driving member 22 is provided between the operating member 21 and the locking member 23, and the driving member 22 functions as a driving structure forming an extension part, so that the risk of unlocking caused by a slight contact in the related art can be prevented, and erroneous unlocking due to accidental contact by a child can be effectively prevented, and the safety of infants and young children in the vehicle and high safety can be ensured. It should be noted that the driving member 22 may be integrated with the operating member 21 to form an integrated structure, and the driving member 22 and the operating member may be separate structures and further assembled. The driving member 22 and the operating member 21 are two modules named according to their functions, but should not be limited thereto.

[0025] 4 to 7, more specifically, the driving member 22 is pivotally connected to the clamp member 1, and the locking member 23 is pivotally connected to the clamp member 1. The driving member 22 rotates in response to the operation of the operating member 21, and rotates the locking member 23 to rotatably switch between the locked position and the unlocked position. In addition, since the operating member 21, the driving member 22, and the locking member 23 are all rotatable, a smoother interlocking operation between the operating member 21, the driving member 22, and the locking member 23 is realized. Note that, in another embodiment, the driving member 22 may be slidably arranged relative to the clamp member 1, the locking member 23 may be slidably arranged on the side of the clamping member 1, and the locking member 23 may be driven and moved by the movement of the driving member 22, thereby realizing the switching between the locked position and the unlocked position of the locking member 23. Specifically, the driving member 22 extends toward the locking member 23 to form an abutment portion 221, and the locking member 23 extends to form a pressing portion 231 corresponding to the abutment portion 221. The pressing portion 231 rotates by being pressed by the abutting portion 221. Preferably, the abutting portion 221 is a hook, and the pressing portion 231 is a protruding structure that extends toward the inside of the hook formed by the locking member 23. Lock position When the lock member 23 is in the position, the contact portion 221 is separated from the pressing portion 231, i.e., there is a distance between the contact portion 221 and the pressing portion 231. The contact portion 221 approaches the pressing portion 231 due to the rotation of the drive member 22, and then presses the pressing portion 231. Lock position , since the contact portion 221 is separated from the pressing portion 231, that is, there is a certain distance between the pressing portion 231 and the contact portion 221, the driving member 22 is rotated before the contact portion 221 comes into contact with the pressing portion 231. Lock positionSince the lock member 23 is forcibly moved a certain distance from the lock engaging portion 201, it is possible to effectively prevent erroneous unlocking caused by a child accidentally touching the lock engaging portion 201, and it is possible to ensure the safety of infants and young children in the vehicle, thereby achieving high safety. In another embodiment, the driving member 22 can be provided with a reset torsion spring. The reset torsion spring is configured to provide an elastic force that acts so that the abutting portion 221 of the driving member 22 has a tendency to release the abutment against the pressing portion 231 of the lock member 23. It should be noted that the present invention is not limited to the above embodiment, and for example, it is also possible to select not to provide a reset torsion spring. The lock member 23 engages with or disengages from the lock engaging portion 201, thereby stably connecting the lock member 23 and the lock engaging portion 201. Or separation Specifically, the locking member 23 includes a locking member body 232 and a locking hook 233 formed by the locking member body 232 and extending outward. The pressing portion 231 is disposed on the outer periphery of the locking member body 232, and the locking hook 233 is disposed to be spaced apart from the pressing portion 231, and the locking hook 233 is disposed adjacent to the pressing portion 231. Referring to FIG. 3, the locking engagement portion 201 is a locking pin, and the locking hook 233 is engaged with or disengaged from the locking pin to realize locking or unlocking. Of course, the present invention is not limited to the above embodiment, and for example, the manufacturer can adjust the above locking structure to another locking structure as needed.

[0026] 4 and 5, the operating member 21 is provided with a connection opening 211, and the driving member 22 extends toward the connection opening 211 to form a connection lug 222. The connection lug 222 is inserted into the connection opening 211 to connect, whereby the operating member 21 is fixed to the driving member 22, and the operating member 21 can rotate and drive the driving member 22, improving the stability of the movement of the driving member 22. Note that the present invention is not limited to the above embodiment, and for example, in order to realize a stable connection between the operating member 21 and the driving member 22, the manufacturer can select another connection method. Specifically, the operating member 21 includes an operating member body 212, and the operating member body 212 extends outward to form a pulling portion 213. The connection opening 211 is disposed inside the operating member body 212 of the operating member 21. The pulling portion 213 and the connection opening 211 are disposed on both side surfaces of the operating member 21, the pulling portion 213 has a plate-like structure, and the pulling portion 213 is provided with an anti-slip treatment. However, the present invention is not limited to the above-described embodiment.

[0027] In some embodiments of the present invention, as shown in Fig. 4, the vertical cross section of the operating member 21 along the length direction of the clamp member 1 has a similar T-shape. One end of the upper part of the operating member 21 having the similar T-shape is an operating member body 212, and the other end is a pulling part 213. The middle and lower parts of the operating member 21 form a support part 214. The support part 214 is approximately perpendicular to the operating member body 212 and the pulling part 213. The connection opening 211 is disposed between the operating member body 212 and the support part 214 of the operating member 21.

[0028] 1 and 2, the seat body 20 is provided with a clamp groove 202 corresponding to the clamp member 1, and a lock engagement portion 201 is disposed in the clamp groove 202. When the lock member 23 engages with the lock engagement portion 201, the clamp member 1 is disposed in the clamp groove 202. The arrangement of the clamp groove 202 can effectively prevent the clamp member 1 from protruding from the seat body 20, and can effectively avoid discomfort to the baby.

[0029] The steps of installing the child vehicle seat 100 will be described in detail below in conjunction with FIGS.

[0030] When the seat body 20 is to be mounted on the vehicle, the operating member 21 is pulled, and the driving member 22 is rotated in the direction indicated by the arrow B in FIG. 5 by the operation of the operating member 21. Driven by the rotation of the driving member 22, the abutting portion 221 approaches the pressing portion 231 and presses the pressing portion 231. Then, the locking member 23 rotates from the locked position to the unlocked position by the urging force of the abutting portion 221, and the locking member 23 overcomes the elastic force of the elastic member and disengages from the lock engagement portion 201. At this time, the clamping member 1 pivots about the connecting portion 11 as a fulcrum and rotates in a pivoting direction opposite to the direction indicated by the arrow A in FIG. 2 in a direction away from the seat body 20, so that the clamping object is disposed between the clamping groove 202 and the clamping member 1. The clamping member 1 pivots on the connecting portion 11 and rotates close to the seat body 20 in the pivoting direction indicated by the arrow A in FIG. 2, and the clamping object is clamped between the clamping member 1 and the seat body 20. The locking member 23 rotates from the unlocked position to the locked position due to the action of the elastic restoring force of the elastic member, and the driving member 22 and the operating member 21 are reset, whereby the clamping object is firmly clamped and the seat main body 20 is fixed to the vehicle. When it is desired to remove the seat main body 20 from the vehicle, the above steps are repeated in reverse order to remove the safety belt.

[0031] A locking mechanism 2 is provided, which includes an operating member 21, a driving member 22, a locking member 23, and an elastic member, the locking member 23 is movably disposed on the side of the clamping member 1, has a locked position and an unlocked position, and is movably switched between the locked position and the unlocked position, so that the clamping member 1 can firmly clamp or unlock the clamped outer piece. The elastic member is attached to the side of the clamping member 1, which enables the locking member 23 to have a tendency to always move from the unlocked position to the locked position, so that the locking member 23 is held in the locked position and the clamping member 1 firmly clamps the clamped part. The driving member 22 is movably disposed to the side of the clamping member 1, the operating member 21 is connected to the driving member 22, and the driving member 22 moves in response to the operation of the operating member 21 to drive the locking member 23 to switch between the locked position and the unlocked position, thereby driving the locking member 23 to overcome the elastic force of the elastic member and switch from the locked position to the unlocked position, and the clamping member 1 releases the clamped object to achieve unlocking. The driving member 22 is provided between the operating member 21 and the locking member 23, and the driving member 22 functions as a drive structure and forms an extension part, thereby avoiding the risk of unlocking being triggered by slight contact in the related art, and effectively avoiding unlocking due to erroneous operation caused by an unexpected contact by a child, ensuring the safety of children in the vehicle and achieving high safety.

[0032] What is disclosed above is only the preferred embodiment of the present invention, and should not be used to limit the protection scope of the present invention. Therefore, the equivalent modifications made based on the embodiments of the present application are within the scope covered by the present application.

Claims

1. A safety belt clamping device comprising a clamping member having a connection portion on one side of the clamping member, the safety belt clamping device further comprising a locking mechanism attached to the other side of the clamping member, The lock mechanism includes a drive member, a lock member, and an elastic member. the locking member is movably provided on the other side of the clamping member and has a locked position and an unlocked position; the elastic member is disposed on the other side of the clamp member, and an elastic force of the elastic member always tends to move the lock member from the unlocked position to the locked position; the drive member is provided movably on the other side of the clamp member, the drive member is configured to drive the lock member to switch between the locked position and the unlocked position; the driving member extends toward the locking member to form a contact portion, the locking member extends to form a pressing portion corresponding to the contact portion, and the pressing portion is configured to rotate by being pressed by the contact portion, The locking member further includes a locking member body and a locking hook formed by extending from the locking member body. The pressing portion is disposed on the outer circumferential side of the locking member body, The lock hook and the pressing portion are disposed so as to be spaced apart from each other, the abutting portion is a hook, and the pressing portion is a protruding structure formed such that the locking member extends toward the inside of the hook, The extension direction of the hook is substantially opposite to the extension direction of the locking hook. Safety belt clamping device.

2. 2. The safety belt clamp device according to claim 1, further comprising an operating member connected to the drive member, the operating member being configured to move in response to operation of the operating member and drive the locking member to switch between the locked position and the unlocked position.

3. 2. The safety belt clamping apparatus of claim 1, wherein the drive member is pivotally connected to the clamping member and the locking member is pivotally connected to the clamping member.

4. When the locking member is in the locked position, the abutting portion is spaced from the pressing portion, The abutment portion is forcibly brought close to the pressing portion in order to press the pressing portion via the locking member which rotates from the lock position to the unlocked position.

2. The safety belt clamping device of claim 1.

5. The operating member is provided with a connection opening, the drive member extends towards the connection opening to form a connection lug; The connection lug is inserted into the connection opening and connected.

3. A safety belt clamping device according to claim 2.

6. 6. The safety belt clamp device according to claim 5, wherein the operating member comprises an operating member body extending outwardly to form a tensioning portion, and the connection opening is disposed on the inside of the operating member body.

7. The safety belt clamping device according to claim 6, wherein the tensioning portion and the connection opening are disposed on both sides of the operating member, and the tensioning portion has a plate-like structure.

8. A longitudinal section of the operating member along a longitudinal direction of the clamp member has a similar T-shape, One end of the upper portion of the operating member is an operating member main body, the other end of the upper portion of the operating member is a pull portion; The middle and lower parts of the operating member are support parts, and the support parts are substantially perpendicular to the operating member body and the pulling part; The connection opening is disposed between the operating member body and the support portion of the operating member.

6. A safety belt clamping device according to claim 5.

9. A child seat for a vehicle, comprising a safety belt clamp device according to any one of claims 1 to 3.

10. Further comprising a seat body, The connection portion of the clamp member is pivotally connected to the seat main body, The part to be clamped is clamped or released by pivoting of said clamping member; The seat body includes a lock engagement portion that corresponds to the lock member, When the locking member is in a locked position, the locking member engages with the locking engagement portion to lock the clamping member against pivoting relative to the seat body.

10. A child seat for a vehicle according to claim 9.

11. The seat body includes a clamp groove corresponding to the clamp member, The lock engagement portion is disposed in the clamp groove, When the locking member engages with the locking engagement portion, the clamping member is disposed within the clamping groove.

11. A child seat for a vehicle according to claim 10.

12. 11. The child seat for a vehicle according to claim 10, wherein the safety belt clamp device is disposed in a seating portion of the seat main body.

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