Backrest unlocking device with bilateral recliner linkage structure

Abstract

The utility model provides a backrest unlocking device with a bilateral recliner linkage structure, which comprises a deflection bearing component, an unlocking operation component, a clamping limiting component, a matching bracket component, a near-side transmission component and a far-side transmission component, according to the backrest unlocking device, synchronous unlocking of the angle adjusters on the two sides of the backrest is achieved through the near-side transmission component and the far-side transmission component, the convenience and efficiency of seat adjustment are improved, and a user can adjust the inclination angle of the seat backrest more easily; the clamping limiting component and the matched supporting component can ensure the stability and safety of the unlocking device in the using process, the clamping buckle plate can prevent the unlocking handle from slipping off from the bearing mandrel, the matched end and the supporting notch are matched to provide additional supporting and fixing effects, and the unlocking device is suitable for a seat needing linkage of angle adjusters on the two sides, and the unlocking device is convenient to use. And more convenient, comfortable and safe seat adjusting experience is provided for the user.

Description

TECHNICAL FIELD

[0001] The utility model relates to an automobile accessory, especially a backrest unlocking device with double-side angle adjuster linkage structure. BACKGROUND

[0002] Patent document CN112248888B discloses a backrest unlocking device, which comprises a base assembly, an unlocking handle, a zipper installation mechanism, a pull belt and a zipper, the unlocking handle is installed on the base assembly and can rotate between an unfolded position and a folded position, the zipper installation mechanism is rotatably installed on the base assembly, the rotation of the unlocking handle from the unfolded position to the folded position drives the zipper installation mechanism to rotate synchronously, the rotation of the zipper installation mechanism under the unfolded position of the unlocking handle is independent of the unlocking handle, the pull belt is connected with the base assembly and the zipper installation mechanism respectively, the zipper is connected with the zipper installation mechanism, the unlocking handle and the pull belt cooperate with each other to realize unlocking by sharing one zipper, the cost is reduced, the unlocking handle is unfolded by external force, the zipper installation mechanism is driven to rotate in a single direction, the zipper is driven, the backrest is unlocked, the pull belt is pulled by external force, the zipper installation mechanism is driven to pull the zipper, and the backrest is unlocked. However, the unlocking device has a relatively complex structure, is inconvenient to install, and can only unlock a single angle adjuster, so that the backrest unlocking process of the automobile seat is inconvenient. Therefore, it is necessary to optimize the structure of the unlocking device to overcome the above-mentioned defects. SUMMARY

[0003] The utility model aims at providing a backrest unlocking device with double-side angle adjuster linkage structure to improve the convenience of the unlocking operation process.

[0004] The utility model adopts the technical scheme that:

[0005] A backrest unlocking device with double-side angle adjuster linkage structure is installed in a seat, the seat has a base and a backrest, and angle adjusters are arranged on both sides of the backrest and the base, and the backrest unlocking device comprises:

[0006] A deflection bearing member is installed on the base and has a bearing space inside;

[0007] An unlocking operation member is installed on the deflection bearing member through a rotating structure, can be deflected on the deflection bearing member, and is borne by the deflection bearing member;

[0008] A clamping limiting member is installed on the deflection bearing member and cooperates with the unlocking operation member to limit the unlocking operation member;

[0009] An adapter support member is installed on the base of the seat and corresponds to the position of the unlocking operation member, and has a support space inside.

[0010] A proximal transmission member is mounted on the backrest and cooperates with the unlocking operation member and the proximal angle adjuster;

[0011] A distal transmission member is mounted on the backrest and cooperates with the unlocking operation member and the distal angle adjuster.

[0012] Specifically, the deflection bearing member comprises:

[0013] A bearing mandrel is mounted on the side wall of the base and extends outwardly from the base.

[0014] The unlocking operation member comprises:

[0015] An unlocking handle is long strip-shaped, with a deflection shaft hole at one end, through which the bearing mandrel penetrates, so that the unlocking handle can be deflected on the bearing mandrel;

[0016] An operation flange is formed on the outer wall of the unlocking handle and protrudes outwardly from the unlocking handle, so that the deflection angle of the unlocking handle can be adjusted through the operation flange.

[0017] The clamping limiting member comprises:

[0018] A clamping buckle is embedded at the end of the bearing mandrel and abuts against the outer side of the unlocking handle, so that the position of the unlocking handle on the bearing mandrel is limited by the clamping buckle, avoiding its slipping off the bearing mandrel.

[0019] The matching support member comprises:

[0020] A matching end head is located below the unlocking handle and is mounted on the side wall of the base through a connecting piece, with a support slot in the inside thereof.

[0021] The proximal transmission member comprises:

[0022] A proximal tube sleeve is made of a metal tube and is embedded at one end in the support slot of the matching end head and at the other end in the side wall of the backrest.

[0023] A proximal core wire is made of a metal wire bundle and penetrates through the proximal tube sleeve, which can be extended and retracted in the proximal tube sleeve, with one end engaging the unlocking handle and the other end engaging the proximal angle adjuster, so that the proximal angle adjuster can be actuated through the proximal core wire when the unlocking handle is deflected.

[0024] The distal transmission member comprises:

[0025] A distal tube sleeve is made of a metal tube and is embedded at one end in the support slot of the matching end head and at the other end in the side wall of the backrest.

[0026] A distal core wire is made of a metal wire bundle and penetrates through the distal sleeve, is telescopic in the distal sleeve, and is connected with the unlocking handle at one end and the distal angle adjuster at the other end, so that the distal angle adjuster is driven to move when the unlocking handle is deflected.

[0027] The backrest unlocking device has the advantages that:

[0028] The backrest unlocking device realizes the synchronous unlocking of the two side angle adjusters of the backrest through the proximal transmission member and the distal transmission member, improves the convenience and efficiency of seat adjustment, enables the user to more easily adjust the inclination angle of the seat backrest, and the clamping limiting member and the matching support member can ensure the stability and safety of the unlocking device during use, the clamping buckle can prevent the unlocking handle from slipping off the bearing core shaft, and the matching of the matching end and the support slot provides additional support and fixing effect, is suitable for seats requiring double-side angle adjuster linkage, and provides the user with a more convenient, comfortable and safe seat adjustment experience. BRIEF DESCRIPTION OF DRAWINGS

[0029] Fig. 1 is a front structure schematic view of the backrest unlocking device with double-side angle adjuster linkage structure provided by the utility model;

[0030] Fig. 2 is a back structure schematic view of the backrest unlocking device;

[0031] Fig. 3 is one of installation state schematic views of the backrest unlocking device;

[0032] Fig. 4 is the other installation state schematic view of the backrest unlocking device. DETAILED DESCRIPTION

[0033] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] As Figs. 1-4As shown, the backrest unlocking device with double-side angle adjuster linkage structure is installed in a seat, the seat has a base and a backrest, and angle adjusters are arranged on both sides of the backrest and the base, and the backrest unlocking device comprises a deflection bearing member, an unlocking operation member, a clamping limiting member, a matching support member, a proximal transmission member and a distal transmission member, the deflection bearing member is installed on the base and has a bearing space inside, the unlocking operation member is installed on the deflection bearing member through a rotating structure and can be deflected on the deflection bearing member, the deflection bearing member bears the unlocking operation member, the clamping limiting member is installed on the deflection bearing member and cooperates with the unlocking operation member, the clamping limiting member limits the unlocking operation member, the matching support member is installed on the base of the seat and corresponds to the position of the unlocking operation member, and has a support space inside, the proximal transmission member is installed on the backrest, cooperates with the unlocking operation member and cooperates with the angle adjuster located on the proximal side, and the distal transmission member is installed on the backrest, cooperates with the unlocking operation member and cooperates with the angle adjuster located on the distal side.

[0035] In the embodiment, the deflection bearing member comprises a bearing core shaft 100, and the bearing core shaft is installed on the side wall of the base and extends to the outside of the base.

[0036] The unlocking operation member comprises an unlocking handle 210 and an operation flange 220, the unlocking handle is in a strip shape, one end of the unlocking handle is provided with a deflection shaft hole, the bearing core shaft penetrates through the deflection shaft hole, so that the unlocking handle can be deflected on the bearing core shaft, and the operation flange is formed on the outer wall of the unlocking handle and protrudes outward, and the deflection angle of the unlocking handle can be adjusted through the operation flange.

[0037] The clamping limiting member comprises a clamping buckle plate 300, the clamping buckle plate is embedded at the end of the bearing core shaft and abuts against the outer side of the unlocking handle, the position of the unlocking handle on the bearing core shaft is limited by the clamping buckle plate, and the unlocking handle is prevented from slipping off the bearing core shaft.

[0038] The matching support member comprises a matching end head 400, the matching end head is located below the unlocking handle and is installed on the side wall of the base through a connecting piece, and a support slot is formed in the inside of the matching end head.

[0039] The proximal transmission member comprises a proximal sleeve 510 and a proximal core wire 520, the proximal sleeve is made of a metal pipe and is embedded in the support slot of the matching end head at one end and is embedded in the side wall of the backrest at the other end, the proximal core wire is made of a metal wire bundle and penetrates through the proximal sleeve, can be stretched and contracted in the proximal sleeve, is connected with the unlocking handle at one end and is connected with the angle adjuster A located on the proximal side at the other end, and the unlocking handle can drive the angle adjuster located on the proximal side to move through the proximal core wire when the unlocking handle is deflected.

[0040] The distal transmission member comprises a distal sleeve 610 and a distal core wire 620, the distal sleeve is made of a metal pipe and is embedded in a supporting slot of the adapter end head at one end and in the backrest side wall at the other end, the distal core wire is made of a metal wire bundle and penetrates through the distal sleeve, is telescopic in the distal sleeve, is engaged with the unlocking handle at one end and with the remote angle adjuster B at the other end, and the remote angle adjuster is driven to act by the distal core wire when the unlocking handle is deflected.

[0041] In the description of the utility model, it needs to explain, when the terms of indicating the orientation or position relationship such as "up", "down", "inner", "outer", "left", "right" appear, should be understood as the orientation or position relationship based on the orientation or position relationship shown in the drawing, or the orientation or position relationship of the utility model product when using commonly, or the orientation or position relationship that the person skilled in the art commonly understands, only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or suggesting that the equipment or element indicated must have a particular orientation, a particular orientation configuration and operation, therefore cannot be understood as the restriction of the utility model. In addition, when the terms such as "first", "second" appear, only for distinguishing the description, and cannot be understood as indicating or suggesting relative importance. In the description of the utility model, it also needs to explain, unless otherwise explicitly specified and limited, the terms such as "mounting", "setting", "connection" should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be direct connection, can also be indirect connection through intermediate medium, can be the communication of the interior of two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. A backrest unlocking device having a double-sided angle adjuster linkage structure, which is installed in a seat having a base and a backrest, and angle adjusters are provided on both sides of the backrest and the base, respectively, characterized in that, The unlocking device comprises: a deflection bearing member mounted on the base and having a bearing space inside; an unlocking operation member mounted on the deflection bearing member by a rotating structure, deflectable on the deflection bearing member, and bearing by the deflection bearing member; a clamping limiting member mounted on the deflection bearing member and cooperating with the unlocking operation member to limit the unlocking operation member; an adapter support member mounted on the base of the seat and corresponding in position to the unlocking operation member, and having a support space inside; a proximal transmission member mounted on the backrest and cooperating with the unlocking operation member and the angle adjuster located proximally; a distal transmission member mounted on the backrest and cooperating with the unlocking operation member and the angle adjuster located distally.

2. The backrest unlocking device with double-sided recliner linkage structure according to claim 1, characterized in that, The deflection bearing member comprises: a bearing core shaft mounted on the base side wall and extending to the outside of the base.

3. The backrest unlocking device with double-sided recliner linkage structure according to claim 2, characterized in that, The unlocking operation member comprises: an unlocking handle in the shape of a long strip, one end of which is provided with a deflection shaft hole through which the bearing core shaft penetrates; an operation flange formed on the outer wall of the unlocking handle and protruding to the outside of the unlocking handle.

4. The backrest unlocking device with double-sided recliner linkage structure according to claim 3, characterized in that, The clamping limiting member comprises: a clamping buckle embedded at the end of the bearing core shaft and abutting against the outside of the unlocking handle to limit the position of the unlocking handle on the bearing core shaft and prevent it from slipping off the bearing core shaft.

5. The backrest unlocking device with double-sided recliner linkage structure according to claim 3, characterized in that, The adapter support member comprises: an adapter end head located below the unlocking handle and mounted on the base side wall by a connecting piece, and having a support slot inside.

6. The backrest unlocking device with double-sided recliner linkage structure according to claim 5, characterized in that, The proximal transmission member comprises: a proximal tube sleeve made of a metal tube, one end of which is embedded in the support slot of the adapter end head and the other end of which is embedded in the backrest side wall; a proximal core wire made of a metal wire bundle and penetrating through the proximal tube sleeve, one end of which is connected to the unlocking handle and the other end of which is connected to the angle adjuster located proximally.

7. The backrest unlocking device with double-sided recliner linkage structure according to claim 5, characterized in that, The distal transmission member comprises: a distal tube sleeve made of a metal tube, one end of which is embedded in the support slot of the adapter end head and the other end of which is embedded in the backrest side wall; a distal core wire made of a metal wire bundle and penetrating through the distal tube sleeve, one end of which is connected to the unlocking handle and the other end of which is connected to the angle adjuster located distally.

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