CN202806441U

CN202806441U - Parking lock assembly for cab seat

Info

Publication number: CN202806441U
Application number: CN 201220554605
Authority: CN
Inventors: 李波
Original assignee: NINGBO YINZHOU HONGBO AUTO PARTS CO Ltd
Current assignee: NINGBO YINZHOU HONGBO AUTO PARTS CO Ltd
Priority date: 2012-10-26
Filing date: 2012-10-26
Publication date: 2013-03-20
Anticipated expiration: 2022-10-26

Abstract

The utility model discloses an automobile assembly, particularly discloses a parking lock assembly for a cab seat, and solves the technical problems that the existing parking lock assemblies of seats are complex in structure and locking and opening states are difficult to switch. The parking lock assembly comprises a lock bracket, a cover plate covered on the lock bracket, a pull rod assembly and a spring, wherein a locking plate and a lock catch are hinged between the lock bracket and the cover plate and are in limit fit, the pull rod assembly and the spring drive the locking plate to rotate, the pull rod assembly is hinged with the locking plate, the spring is connected between the lock catch and the position where the pull rod assembly and the locking plate are hinged, both the lock bracket and the cover plate are provided with two corresponding recesses, two stop pins are riveted between the lock bracket and the cover plate, the recesses and the two stop pins are arranged on the rotating track of the lock catch, and the recesses are arranged between the two stop pins. The parking lock assembly is used for locking seats in cabs of transport vehicles such as wagons and trucks.

Description

Cab seat ground lock assembly

Technical field

The utility model relates to a kind of motor vehicle assembly, particularly cab seat ground lock assembly.

Background technology

During the design of the operator's saddle of the transport trolley such as lorry, truck, all can the under-seat in operator's saddle arrange one can seat is locked device, be commonly called as seat ground and lock.

Present seat ground lock construction is comparatively complicated, and the switching of locking and open mode is cumbersome.

The utility model content

The purpose of this utility model is to provide a kind of simple in structure in order to solve above-mentioned the deficiencies in the prior art, and locks and open the cab seat ground lock assembly of easy switching.

To achieve these goals, the cab seat ground lock assembly that the utility model is designed, comprise that lock and lid are connected on the cover plate on the lock, between lock and cover plate, be hinged with jam plate and snap close, and mutual spacing cooperation between the two, it also comprises rod assembly and the extension spring that drives the jam plate rotation, rod assembly and jam plate are hinged, extension spring is connected between the hinged place of snap close and above-mentioned rod assembly and jam plate, be equipped with recess on described lock and the cover plate, and be corresponding shape between two recesses, also riveted joint has two locating dowel pins between lock and cover plate, above-mentioned recess and two locating dowel pins all are positioned on the rotational trajectory of snap close, and recess is between two locating dowel pins.

As preferably, rod assembly described in the utility model comprises guide rod and handle, and guide rod runs through a sidewall of lock, is exposed at the outer guide rod end connecting handle of lock, place the guide rod end in the lock to be provided with projection, jam plate and extension spring one end all snap onto on the above-mentioned projection.Above-mentioned preferred version dismounting is easy to maintenance.

In the said structure, when snap close was locked, the extension spring between snap close and the pull bar was in tension, and is under the booster action of locating dowel pin, mutually spacing between snap close and the jam plate simultaneously; When needs are opened snap close, as long as pull rod assembly by external force, jam plate will the effect of external force under landing from the snap close, then snap close will rapidly rotation under the effect of the elastic deformation power of extension spring, leave the recess position on lock and the cover plate, the whole like this process of unblanking has just been finished; Otherwise when the user need to lock, the user was as long as stir snap close by external force, and above-mentioned snap close, jam plate, extension spring and pull bar will reset.

In order to prevent that snap close and locating dowel pin from directly bumping, the protection snap close prolongs its service life, and the outside face at snap close in the utility model is provided with the encapsulate layer.

The cab seat ground lock assembly that the utility model obtains, its integral structure is simple, the opening and the locking state easy switching of snap close; While the utility model easy accessibility, long service life.

Description of drawings

Fig. 1 is the integral structure scheme drawing of embodiment 1;

Fig. 2 is the lateral plan of Fig. 1;

Fig. 3 is the back view of Fig. 1;

Fig. 4 is the integral structure scheme drawing of embodiment 2.

Among the figure: cover plate 1, lock 2, snap close 3, jam plate 4, rod assembly 5, guide rod 5-1, handle 5-2, extension spring 6, locating dowel pin 7, recess 8, encapsulate layer 9, projection 10.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further specified.

Embodiment 1:

At Fig. 1, cab seat ground lock assembly described in Fig. 2 and Fig. 3, it comprises that lock 2 and lid are connected on the cover plate 1 on the lock 2, between lock 2 and cover plate 1, be hinged with jam plate 4 and snap close 3, and mutual spacing cooperation between the two, it also comprises rod assembly 5 and the extension spring 6 that drives jam plate 4 rotations, rod assembly 5 comprises guide rod 5-1 and handle 5-2, guide rod 5-1 runs through a sidewall of lock 2, be exposed at the guide rod end connecting handle 5-2 outside the lock 2, place the guide rod end in the lock 2 to be provided with projection 10, jam plate 4 and extension spring 6 one ends all snap onto on above-mentioned protruding 10, the other end of extension spring 6 is connected with snap close 3, be equipped with recess 8 on described lock 2 and the cover plate 1, and be corresponding shape between two recesses 8, also riveted joint has two locating dowel pins 7 between lock 2 and cover plate 1, and above-mentioned recess 8 and two locating dowel pins 7 all are positioned on the rotational trajectory of snap close 3, and recess 8 is between two locating dowel pins 7.

In the said structure, when snap close 3 locking, the extension spring 6 between snap close 3 and the guide rod 5-1 is in tension, and is under the booster action of locating dowel pin 7, mutually spacing between snap close 3 and the jam plate 4 simultaneously; When needs are opened snap close 3, as long as pull rod assembly 5 by external force, jam plate 4 will the effect of external force under landing from the snap close 3, then snap close 3 will rapidly rotation under the effect of the elastic deformation power of extension spring 6, leave the recess position on lock 2 and the cover plate 1, the whole like this process of unblanking has just been finished; Otherwise when the user need to lock, the user was as long as stir snap close 3 by external force, and above-mentioned snap close 3, jam plate 4, extension spring 6 and rod assembly 5 will reset.

Embodiment 2:

Cab seat ground lock assembly as shown in Figure 4, its general structure is consistent with embodiment 1, but in order to prevent that snap close 3 and locating dowel pin 7 from directly bumping, protection snap close 3 prolongs its service life, and the outside face at snap close 3 in the present embodiment is provided with encapsulate layer 9.

Claims

1. cab seat ground lock assembly, comprise that lock (2) and lid are connected on the cover plate (1) on the lock (2), it is characterized in that: between lock (2) and cover plate (1), be hinged with jam plate (4) and snap close (3), and mutual spacing cooperation between the two, it also comprises rod assembly (5) and the extension spring (6) that drives jam plate (4) rotation, rod assembly (5) is hinged with jam plate (4), extension spring (6) is connected between the hinged place of snap close (3) and above-mentioned rod assembly (5) and jam plate (4), be equipped with recess (8) on described lock (2) and the cover plate (1), and be corresponding shape between two recesses (8), also riveted joint has two locating dowel pins (7) between lock (2) and cover plate (1), above-mentioned recess (8) and two locating dowel pins (7) all are positioned on the rotational trajectory of snap close (3), and recess (8) is positioned between two locating dowel pins (7).

2. cab seat according to claim 1 ground lock assembly, it is characterized in that: described rod assembly (5) comprises guide rod (5-1) and handle (5-2), guide rod (5-1) runs through a sidewall of lock (2), be exposed at the outer guide rod end connecting handle (5-2) of lock (2), place the guide rod end in the lock (2) to be provided with projection (10), jam plate (4) and extension spring (6) one ends all snap onto on the above-mentioned projection (10).

3. cab seat according to claim 1 and 2 ground lock assembly, it is characterized in that: the outside face at snap close (3) is provided with encapsulate layer (9).