CN216467457U

CN216467457U - Omnibearing limiting seat locking mechanism

Info

Publication number: CN216467457U
Application number: CN202123182228.1U
Authority: CN
Inventors: 游双全
Original assignee: Chongqing Shuangying Automobile Seat Co ltd
Current assignee: Chongqing Shuangying Automobile Seat Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-10
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses an omnibearing spacing seat locking mechanism, which comprises a backrest framework, a vehicle body, a backrest lower rotating shaft, a rotating shaft buffer part and a vehicle body sheet metal part, wherein the end of the backrest lower rotating shaft is provided with an anti-falling boss for front and back spacing, one side of the anti-falling boss is provided with a spacing arc surface, the vehicle body sheet metal part is provided with a chute for the backrest lower rotating shaft to slide in from the top to the bottom and finally be blocked, the rotating shaft buffer part is nested at the edge of the chute to keep the backrest lower rotating shaft and the vehicle body sheet metal part in a mutually isolated state, an arc groove for the spacing arc surface to be jointed is arranged in the vehicle body sheet metal part, when the spacing arc surface is upward, the backrest lower rotating shaft can slide in the chute along the track to be blocked at the end so as to be up and down spacing, the anti-falling boss can rotate the spacing arc surface to be jointed with the vehicle body sheet metal part arc groove by clockwise rotation so as to realize left and right spacing, the backrest frame locking device has the characteristics of convenience in installation, good backrest frame installation locking effect, strong stability and strong practicability.

Description

Omnibearing limiting seat locking mechanism

Technical Field

The utility model relates to a car seat locking technical field, concretely relates to all-round spacing seat locking mechanism.

Background

In the prior art, when a rotating shaft of a backrest framework is installed on a sheet metal part of a vehicle body, the rotating shaft of the backrest framework is only inserted into a chute of the sheet metal part of the vehicle body for preliminary limiting, the rotating shaft of the backrest framework cannot be completely locked, and the rotating shaft is easy to move in the bumping process of the vehicle body, so that a seat and the vehicle body shake relatively, and passenger experience is seriously influenced; also easy because the collision friction takes place the abnormal sound under the back when pivot and automobile body sheet metal component spout direct contact, still leads to the part impaired because of the friction, and pivot size is gradually unable and the spout matches each other under the back to unable chucking, the pivot more takes place to shake under the back more easily, influences passenger's experience, reduces part life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an all-round spacing seat locking mechanism, it is firm, simple to operate, thereby it leads to the unstable problem of seat to solve the rotation axis totally spacingly.

Therefore, the technical scheme adopted by the utility model is that the omnibearing spacing seat locking mechanism comprises a backrest framework, a vehicle body, a lower backrest rotating shaft, a rotating shaft buffer piece and a vehicle body sheet metal part, wherein the tail end of the lower backrest rotating shaft is provided with an anti-falling boss for front and back spacing, one side of the anti-falling boss is provided with a spacing arc-shaped surface, the vehicle body sheet metal part is provided with a chute for the lower backrest rotating shaft to slide into and finally block from top to bottom, the rotating shaft buffer piece is nested at the edge of the chute to keep the lower backrest rotating shaft and the vehicle body sheet metal part in a mutually isolated state, an arc-shaped groove for the lamination of the spacing arc-shaped surface is arranged in the vehicle body sheet metal part, when the spacing arc-shaped surface is upward, the lower backrest rotating shaft can slide into the chute along a track to block at the end so as to achieve the up and down spacing, the anti-falling boss can rotate the spacing arc-shaped surface to be laminated with the vehicle body sheet metal part arc-shaped groove through clockwise rotation, thereby limiting the position of the left and the right.

As the optimization of above-mentioned scheme, the pivot bolster adopts plastics material and its left and right and below periphery all is equipped with and supplies spout border male opening, makes the pivot bolster nestification on the automobile body sheet metal component, and is with low costs, and buffering effect is good, and it is convenient to change, and simple to operate is swift firm.

Further preferably, the spout is the arc, guarantees when down installing from the top smoothly unobstructed, and the back is rotary shaft installation axle diameter down and the groove width size matching of pivot bolster, effectively avoids the rotation axis can not take place because of the unable spacing condition of axle diameter undersize.

Further preferably, the outer end face of the anti-falling boss does not protrude out of the arc-shaped groove, so that interference collision between the anti-falling boss and other parts of the automobile body is avoided, and the installation effect is influenced.

Preferably, the axle diameter of the part of the backrest lower rotating shaft, which is arranged on the sliding groove, is smaller than the axle diameter of the part of the backrest lower rotating shaft, which is not arranged on the sliding groove, and the backrest lower rotating shaft is limited forwards and backwards by combining the anti-falling boss, so that the backrest lower rotating shaft is stably and firmly arranged on the sliding groove.

The utility model has the advantages that:

(1) the automobile body sheet metal part is provided with a chute for the rotating shaft under the backrest to slide into and finally block from top to bottom, the installation is simple and rapid, and the limitation of the vertical direction of the rotating shaft is effectively ensured.

(2) The pivot bolster nestification is on the automobile body sheet metal component, makes pivot and automobile body sheet metal component keep mutual isolation state under the back, guarantees that the pivot bolster plays the cushioning effect under the back between pivot and the automobile body sheet metal component, and pivot and automobile body sheet metal component mutually collide and take place abnormal sound and wearing and tearing under the back when effectively avoiding the automobile body vibration to avoid influencing life and passenger to take experience because of the part wearing and tearing.

(3) The terminal spacing anticreep boss in front and back that is equipped with of pivot under the back, the anticreep boss can make spacing arcwall face rotatory to laminating completely with the automobile body sheet metal component arc wall through clockwise rotation, and simple to operate effectively guarantees that the all-round left and right sides direction of pivot is spacing, and it is firm effectively to improve the firm after the pivot installation of pivot under the back through all-round spacing about from top to bottom.

To sum up, have simple to operate, back skeleton installation locking is effectual, the steadiness is strong, the characteristics that the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram (in use) of the present invention.

Fig. 2 is a front view (in use) of fig. 1.

Fig. 3 is a front view of the anti-drop boss and the vehicle body sheet metal part in a use state.

Fig. 4 is a front view of the anti-drop boss and the vehicle body sheet metal part in an installation state.

Fig. 5 is a schematic structural diagram of a vehicle body sheet metal part.

Fig. 6 is a schematic structural view of the shaft buffer.

Fig. 7 is a schematic view of a lower rotating shaft of a backrest equipped with a retaining boss.

Detailed Description

The invention will be further described by way of examples with reference to the accompanying drawings:

referring to fig. 1 to 7, an omnidirectional limiting seat locking mechanism is composed of a backrest framework 1, a vehicle body 2, a backrest lower rotating shaft 3, a rotating shaft buffer 4 and a vehicle body sheet metal part 5.

The upper end of the backrest frame 1 is fixedly installed on the vehicle body 2.

The end of the backrest lower rotating shaft 3 is provided with a retaining boss 31 for limiting the front and the back.

The automobile body sheet metal part 5 is provided with a sliding groove 51 for the backrest lower rotating shaft 3 to slide into from top to bottom and finally clamp, the sliding groove 51 is arc-shaped, and the installation shaft diameter of the backrest lower rotating shaft 3 is matched with the groove width of the rotating shaft buffer part 4.

The rotary shaft buffer part 4 is nested at the edge of the sliding groove 51, so that the lower backrest rotary shaft 3 and the vehicle body sheet metal part 5 are kept in a mutually isolated state.

The rotating shaft buffer part 4 is made of plastic materials, and openings for inserting the edges of the sliding grooves 51 are formed in the peripheries of the left side, the right side and the lower side of the rotating shaft buffer part, so that the rotating shaft buffer part 4 is embedded on the sheet metal part 5 of the automobile body.

One side of anticreep boss 31 is equipped with spacing arcwall face 311, is equipped with the arc wall 52 that supplies the laminating of spacing arcwall face 311 in the automobile body sheet metal component 5.

The outer end face of the anti-falling boss 31 cannot protrude out of the arc-shaped groove 52, that is, the thickness of the anti-falling boss 31 is smaller than that of the arc-shaped groove 52 of the vehicle body sheet metal part 5.

When the limiting arc-shaped surface 311 faces upwards, the lower rotating shaft 3 of the backrest can slide into the sliding groove 51 along the track to be clamped, so that the upper and lower limiting are realized.

The anti-falling boss 31 can make the limiting arc surface 311 rotate to be attached to the arc groove 52 of the vehicle body sheet metal part 5 through clockwise rotation, so that the left and right limitation is realized.

The axle diameter of the part of the backrest lower rotating shaft 3, which is arranged on the sliding groove 51, is smaller than the axle diameter of the part of the backrest lower rotating shaft 3, which is not arranged on the sliding groove 51, so that the backrest lower rotating shaft 3 can not move back and forth on the sliding groove 51 by being conveniently combined with the anti-falling boss 31, and the front and back limiting is carried out. .

When being in back skeleton mounted state, spacing arcwall face 311 of anticreep boss 31 is rotatory to position up, then slides the axle body of rotation axis 3 under the back from last down level to spout 51 end along spout 51 and blocks to it is spacing from top to bottom to carry out.

Ran clockwise rotation anticreep boss 31 makes spacing arcwall face 311 rotate to laminating completely with the arc wall 52 of automobile body sheet metal component 5, makes under the back rotation axis 3 can't remove about in spout 51 to it is spacing to control.

Claims

1. The utility model provides an all-round spacing seat locking mechanism, includes that rotation axis (3) under back skeleton (1), automobile body (2) and the back, its characterized in that: the backrest fixing device is characterized by further comprising a rotating shaft buffer part (4) and an automobile body sheet metal part (5), wherein the tail end of the rotating shaft (3) under the backrest is provided with an anti-falling boss (31) used for limiting the front and the back, one side of the anti-falling boss (31) is provided with a limiting arc-shaped surface (311), the automobile body sheet metal part (5) is provided with a sliding groove (51) for the rotating shaft (3) under the backrest to slide into and finally clamp the backrest from top to bottom, the rotating shaft buffer part (4) is embedded at the edge of the sliding groove (51) to enable the rotating shaft (3) under the backrest and the automobile body sheet metal part (5) to be kept in a mutually isolated state, an arc-shaped groove (52) used for the limiting arc-shaped surface (311) to be attached is arranged in the automobile body sheet metal part (5), when the limiting arc-shaped surface (311) is upward, the rotating shaft (3) under the backrest can slide into the sliding groove (51) along the track to clamp the end to be limited upper and lower limited position, the anti-falling boss (31) can enable the limiting arc-shaped surface (311) to be rotated to be attached to the arc-shaped groove (52) through clockwise rotation, thereby limiting the position of the left and the right.

2. The omni-directional limiting seat locking mechanism according to claim 1, wherein: the rotating shaft buffer part (4) is made of plastic materials, and openings for inserting the edges of the sliding grooves (51) are formed in the peripheries of the left side, the right side and the lower side of the rotating shaft buffer part, so that the rotating shaft buffer part (4) is embedded on the sheet metal part (5) of the automobile body.

3. The omni-directional limiting seat locking mechanism according to claim 1, wherein: the sliding groove (51) is arc-shaped, and the installation shaft diameter of the lower rotating shaft (3) of the backrest is matched with the groove width of the rotating shaft buffer piece (4).

4. The omni-directional limiting seat locking mechanism according to claim 1, wherein: the outer end face of the anti-falling boss (31) cannot protrude out of the arc-shaped groove (52).

5. The omni-directional limiting seat locking mechanism according to claim 1, wherein: the part of the backrest lower rotating shaft (3) installed on the sliding groove (51) is smaller than the part of the backrest lower rotating shaft not installed on the sliding groove (51), and the backrest lower rotating shaft is combined with the anti-falling boss (31) to carry out front and back limiting.