CN202623978U

CN202623978U - Backrest locking device in military vehicle seat

Info

Publication number: CN202623978U
Application number: CN 201220214451
Authority: CN
Inventors: 沈巍; 祝德宏
Original assignee: ZHANGJIAGANG LONGJING AUTO PARTS CO Ltd
Current assignee: ZHANGJIAGANG LONGJING AUTO PARTS CO Ltd
Priority date: 2012-05-14
Filing date: 2012-05-14
Publication date: 2012-12-26
Anticipated expiration: 2022-05-14

Abstract

The utility model discloses a backrest locking device in a military vehicle seat. The backrest locking device comprises a backrest bracket, a seat bracket, backrest side panels positioned on the two sides of the backrest bracket, and seat side panels positioned on the two sides of the seat bracket, wherein the backrest bracket is movably supported on the seat bracket; an 'L'-shaped clamping seat is arranged on the seat side panel on one side, so that the front end of one backrest side panel leans against a side plate of the 'L'-shaped clamping seat when the backrest bracket is erected; and a backrest locking mechanism is arranged between another backrest side panel and the seat side panel on the same side, and is formed in a way that a limiting block is arranged on the outer side of the backrest side panel, a spanner shaft is arranged on the inner side of the seat side panel, a spanner is movably arranged on the spanner shaft, a torsion spring is sleeved on the spanner shaft, the two ends of the torsion spring lean against the seat side panel and the spanner respectively, a limiting bayonet is arranged at the other end of the spanner, and the limiting block is just positioned in the limiting bayonet when the backrest bracket is erected. The backrest locking device has the advantages that the backrest bracket is stably connected onto the seat bracket and does not shake.

Description

Backrest latching device in army's vehicle seats

Technical field

The utility model relates to automotive seat, the backrest latching device in the army's of relating in particular to vehicle seats.

Background technology

In this special vehicle of military vehicle; Army's vehicle seats comprises back bracket and seat bracket; The method that tradition is fixed on the seat bracket back bracket realizes through bumping pearl, promptly in the both sides of back bracket bottom a backrest side panel is installed respectively, and a bottom shrinkage pool is set in the bottom of each backrest side panel; Be separately installed with a seat support side panel in the both sides of seat bracket; Be fixed with " L " type deck respectively in the inboard of each seat support side panel, be stuck in the bottom shrinkage pool of backrest side panel after bumping the bottom surface that pearl passes " L " type deck, back bracket is fixed on the seat bracket; But above-mentioned two bumping in the pearl connection structure; Be not transferred to the appropriate location if bump pearl, back bracket shaken in the driving process of automobile, and then send sound; Greatly influenced driver's driving environment, also buried hidden danger for people's safety trip.

The utility model content

The purpose of the utility model provides and a kind ofly can make back bracket stably be connected on the seat bracket and can not produce the backrest latching device in army's vehicle seats of rocking.

For realizing above-mentioned purpose; The utility model has adopted following technical scheme: the backrest latching device in the described army vehicle seats; Comprise: back bracket, seat bracket is respectively arranged with a backrest side panel in the both sides of back bracket bottom; Be respectively arranged with a seat support side panel in the both sides of seat bracket, back bracket is passed through the adapter shaft freely-movable bearing between two seat support side panels on the seat bracket; Inboard at the seat support side panel of a side is fixed with " L " type deck, and after back bracket was holded up, the front end that is positioned at the backrest side panel of homonymy with this seat support side panel was resisted against on the side plate of " L " type deck; Wherein: between the backrest side panel of another homonymy and seat support side panel, be provided with and make back bracket be fastened on the backrest catch gear on the seat bracket; The structure of said backrest catch gear is: the arranged outside at the backrest side panel has limiting stopper, is provided with wrench shaft in the inboard of seat support side panel, is movably set with spanner on the wrench shaft; On wrench shaft, be set with torsion spring; One end of said torsion spring is resisted against on the seat support side panel, and the other end of torsion spring is resisted against on the spanner, and the other end of said spanner is provided with spacing bayonet socket; And after back bracket is holded up; Limiting stopper just in time is arranged in spacing bayonet socket, and under the effect of torsion spring, spacing bayonet socket is fixing with the limiting stopper chucking.

Further, the backrest latching device in the aforesaid army vehicle seats, wherein: the base plate of said " L " type deck is provided with and bumps pearl, after back bracket is holded up, saidly bumps pearl and is stuck in the bottom shrinkage pool with the backrest side panel of its homonymy.

Through the enforcement of technique scheme, the utlity model has and back bracket stably is connected on the seat bracket and not can produce the advantage of rocking.

Description of drawings

Fig. 1 is the structural representation of backrest latching device in the described army of the utility model vehicle seats.

Fig. 2 is the structural representation of the backrest catch gear shown in the left apparent direction among Fig. 1.

Fig. 3 is the structural representation of the back bracket that the backrest side panel is installed shown in Fig. 1.

Fig. 4 is the structural principle scheme drawing that pearl connects back bracket and seat bracket that bumps shown in the right apparent direction among Fig. 1.

The specific embodiment

Below in conjunction with accompanying drawing and specific embodiment the utility model is described further.

Like Fig. 1, Fig. 2, Fig. 3, shown in Figure 4; Backrest latching device in the described army vehicle seats: comprising: back bracket 1; Seat bracket 2; Being respectively arranged with a backrest side panel in the both sides of back bracket 1 bottom is backrest Left-Hand Panel 3 and backrest right panel 31, and being respectively arranged with a seat support side panel in the both sides of seat bracket 2 is seat support Left-Hand Panel 4 and seat support right panel 41, and adapter shaft 5 is bearing on the seat support Left-Hand Panel 4 after passing backrest Left-Hand Panel 3; Adapter shaft 51 is bearing on the seat support right panel 41 after passing backrest right panel 31, through

adapter shaft

5 and 51 with back bracket 1 freely-movable bearing on seat bracket 2; Be installed with " L " type deck 11 in the inboard of seat support Left-Hand Panel 4, after back bracket 1 is holded up, the front end that is positioned at the backrest Left-Hand Panel 3 of homonymy with seat support Left-Hand Panel 4 will be resisted against on the side plate of " L " type deck 11; Between backrest right panel 31 and seat support right panel 41, be provided with can make back bracket 1 stable be fixed on the backrest catch gear on the seat bracket 2, the structure of described backrest catch gear is: be installed with limiting stopper 8 in the outside of backrest right panel 31, be installed with wrench shaft 9 in the inboard of seat support right panel 41; Be movably set with spanner 6 on the wrench shaft 9, on wrench shaft 9, be set with torsion spring 7, an end and the seat support right panel 41 of torsion spring 7 fix; The other end of torsion spring 7 and spanner 6 fix; The other end of spanner 6 is provided with spacing bayonet socket 10, after back bracket 1 is holded up, makes limiting stopper 8 just in time be stuck in the spacing bayonet socket 10; At this moment; Under the effect of torsion spring 7, spacing bayonet socket 10 is fixing with limiting stopper 8 chuckings, thereby realizes back bracket 1 spacing fixing purpose; In the present embodiment; In order can more stably to link together with seat bracket 2 after back bracket 1 is holded up; Be provided with a bottom shrinkage pool 13 in the bottom of backrest Left-Hand Panel 3; On the base plate of inboard " L " type decks 11 that are provided with of seat support Left-Hand Panel 4, installed and bumped pearl 12, after back bracket 1 is holded up, bumped in the bottom shrinkage pool 13 that pearl 12 will be stuck in backrest Left-Hand Panel 3.The utlity model has and back bracket stably is connected on the seat bracket and not can produce the advantage of rocking.

Claims

1. the backrest latching device in army's vehicle seats; Comprise: back bracket; Seat bracket; Be respectively arranged with a backrest side panel in the both sides of back bracket bottom, be respectively arranged with a seat support side panel in the both sides of seat bracket, back bracket is passed through the adapter shaft freely-movable bearing between two seat support side panels on the seat bracket; Inboard at the seat support side panel of a side is fixed with " L " type deck, and after back bracket was holded up, the front end that is positioned at the backrest side panel of homonymy with this seat support side panel was resisted against on the side plate of " L " type deck; It is characterized in that: between the backrest side panel of another homonymy and seat support side panel, be provided with and make back bracket be fastened on the backrest catch gear on the seat bracket; The structure of said backrest catch gear is: the arranged outside at the backrest side panel has limiting stopper, is provided with wrench shaft in the inboard of seat support side panel, is movably set with spanner on the wrench shaft; On wrench shaft, be set with torsion spring; One end of said torsion spring is resisted against on the seat support side panel, and the other end of torsion spring is resisted against on the spanner, and the other end of said spanner is provided with spacing bayonet socket; And after back bracket is holded up; Limiting stopper just in time is arranged in spacing bayonet socket, and under the effect of torsion spring, spacing bayonet socket is fixing with the limiting stopper chucking.

2. the backrest latching device in the army according to claim 1 vehicle seats is characterized in that: the base plate of said " L " type deck is provided with and bumps pearl, after back bracket is holded up, saidly bumps pearl and is stuck in the bottom shrinkage pool with the backrest side panel of its homonymy.