CN112389336A

CN112389336A - Locking device

Info

Publication number: CN112389336A
Application number: CN202011315445.0A
Authority: CN
Inventors: 陶涛; 盘庆学
Original assignee: Guangzhou Jindasen Auto Parts Co ltd
Current assignee: Guangzhou Jindasen Auto Parts Co ltd
Priority date: 2020-11-21
Filing date: 2020-11-21
Publication date: 2021-02-23
Anticipated expiration: 2040-11-21
Also published as: CN112389336B

Abstract

The utility model provides a locking device, includes the support frame, swing handle, a pair of sliding pin, the spring coil of setting on the support frame, its characterized in that support frame's both sides all are provided with guide structure, and a pair of sliding pin slides respectively and sets up on the guide structure on the both sides of support frame, is provided with the chute on the sliding pin, is provided with crooked actuating lever on the handle of corresponding chute, and a spring coil setting is between a pair of sliding pin, and the both sides of support frame are provided with the handle connecting seat, and the handle rotates to be connected on the handle connecting seat. Compared with the prior art, the invention has the advantages of high reliability, simple structure, low manufacturing cost and easy disassembly and assembly.

Description

Locking device

Technical Field

The invention relates to a locking technology, in particular to a locking technology used for an axially supported rotatable storage box on a vehicle instrument panel.

Background

As disclosed in patent application CN2003101034736, the locking technology of the prior art for the axially supported and rotatable storage box on the dashboard of a vehicle is to provide swing power through an operating handle to move a cam part relative to a cam groove 18 on a sliding pin and drive the sliding pin to move left and right, and this structure is characterized in that the cam part is in line contact with the cam groove on the sliding pin, the contact area is small, the acting force is large, and the sliding pin is easily worn, so that the shape of the cam groove is changed to cause the sliding pin to be unable to extend and retract normally, thereby affecting the use reliability of the sliding pin.

Disclosure of Invention

The invention aims to provide a locking device which has high reliability, simple structure, low manufacturing cost and easy assembly and disassembly.

The invention is realized in such a way, and comprises a support frame, a handle arranged on the support frame in a swinging way, a pair of sliding pins and a spring ring, and is characterized in that guide structures are arranged on two sides of the support frame, the pair of sliding pins are respectively arranged on the guide structures on the two sides of the support frame in a sliding way, inclined grooves are arranged on the sliding pins, a bent driving rod is arranged on the handle corresponding to the inclined grooves, and the spring ring is arranged between the pair of sliding pins.

When the support frame is used, the support frame is fixed on the storage box, when the storage box is closed, the inclined plane on the free end of the sliding pin enables the sliding pin to stretch and retract and finally extend into a lock tongue hole in the wall of the storage box accommodating cavity of the instrument panel of the vehicle, the storage box is locked in the wall of the storage box accommodating cavity, at the moment, under the action of the spring ring, the sliding pin fully extends outwards and is under the action of the bent driving rod of the handle (at the moment, the root of the bent driving rod is positioned in the chute arranged on the sliding pin, and the distance between the roots of the two bent driving rods is the largest), and the sliding pin synchronously extends outwards; when the storage box needs to be opened, the handle is turned outwards, the bent driving rod on the handle is pulled out from the chute, the distance between the two bent driving rods in the chute is shortened along with the pulling of the bent driving rod from the chute, so that the sliding pin is driven to move relatively, the sliding pin is moved out from the bolt hole in the wall of the storage box cavity, and the storage box can be opened by turning out the storage box from the storage box cavity after the limitation of the bolt hole is lost.

The driving rod is in surface contact with the inclined groove on the sliding pin, so that the acting force is small, the sliding pin is not easy to wear, and a guide structure is not required to be designed on the sliding pin, so that the structure is simple, and the manufacturing and the dismounting are easy.

Here, the handle is plate-shaped, the back of the plate-shaped handle faces the guide structure of the support frame, and the two curved drive levers are arranged on the back of the plate-shaped handle.

The end of the sliding pin in the guide structure is provided with a columnar bulge, and the spring ring is sleeved on the columnar bulge and positioned by the columnar bulge so as to prevent the spring ring from displacing.

The guide structure on the support frame is open square guide groove including setting up the upper end at the support frame middle part, is located the square guide hole at square guide groove both ends, and the sectional shape that is located the slide pin part in the guide structure is square, and like this, the slide pin can only the back-and-forth movement and can not rotate under guide structure's effect, when guaranteeing that the inclined plane of the free end of slide pin runs into the storage tank and holds the chamber wall, the slide pin can move toward the support frame direction under the effect on inclined plane.

In order to facilitate manufacturing and dismounting, the sliding pin comprises a driving part and a bolt part fixedly connected with the driving part.

Compared with the prior art, the invention has the advantages of high reliability, simple structure, low manufacturing cost and easy disassembly and assembly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a side view of the handle.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings and examples:

as shown in fig. 1, the present invention comprises a support frame 1, a handle 2 swing-arranged on the support frame 1, a pair of sliding pins 3, and a spring ring 4, and is characterized in that both sides of the support frame 1 are provided with guide structures 101, the pair of sliding pins 3 are respectively slidably arranged on the guide structures 101 on both sides of the support frame 1, the sliding pins 3 are provided with a hole-shaped chute 301, the chute 301 is inclined from top to bottom toward the middle of the support frame 1, the handle 2 corresponding to the chute 301 is provided with a curved driving rod 201, the free end of the driving rod 201 is curved toward the middle of the handle 2, and the spring ring 4 is arranged between the pair of sliding pins 3.

The two sides of the support frame 1 are provided with handle connecting seats 5, and the shaft holes 202 on the two sides of the upper edge of the handle 2 are rotatably connected on the rotating shaft 501 on the inner side of the handle connecting seats 5. The handle connecting seat 5 is adopted to ensure that a certain distance is reserved between the driving rod 201 and the rotating axis of the handle 2, so that the stroke of the driving rod 201 rotating along with the handle 2 is converted into the stroke of driving the sliding pin 3 to move.

The handle 2 is plate-shaped, the back of the plate-shaped handle 2 faces the guide structure 101 of the support frame 1, and two curved driving rods 201 are arranged on the back of the plate-shaped handle 2.

The end of the sliding pin 3 located in the guide structure 101 is provided with a cylindrical protrusion 302, and the spring ring 4 is sleeved on the cylindrical protrusion 302 and positioned by the cylindrical protrusion 302 to prevent the spring ring 4 from being displaced.

The guide structure 101 on the support frame 1 comprises a square guide groove 1012 which is arranged at the middle part of the support frame 1 and has an open 1011 upper end, and a square guide hole 1013 at two ends of the square guide groove 1012, and the cross section of the part of the sliding pin 3 in the guide structure 101 is square, so that the sliding pin 3 can only move back and forth but cannot rotate under the action of the guide structure 101, and when the inclined plane of the free end of the sliding pin 3 is contacted with the wall of the storage box cavity, the sliding pin can move towards the support frame under the action of the inclined plane.

The width of the opening 1011 is larger than the width of the chute 301 and smaller than the width of the part of the slide pin 3 located inside the guide structure 101, so that the entire guide structure 101 becomes a guide hole, thereby further ensuring that the slide pin 3 can only move left and right inside the guide structure 101.

The sliding pin 3 includes a driving portion 303, and a locking tongue portion 304 fixedly connected to the driving portion 303.

The cross-sectional shape of drive part 303 is square, the outside end of drive part 303 is provided with square hole 305 of inlaying, be provided with location perforation 306 on the square hole 305 of inlaying upper and lower lateral wall, be provided with two on the spring bolt part 304 that corresponds square hole 305 of inlaying and inlay shell fragment 307, it is provided with reference column 308 to correspond location perforation 306 department on the shell fragment 307 of inlaying to inlay two on the spring bolt part 304, after two pieces of shell fragments 307 of inlaying on the spring bolt part 304 are inlayed into square hole 305, reference column 308 above it is worn and is fixed spring bolt part 304 on drive part 303 on location perforation 306.

A stop surface 309 is provided on bolt portion 304 adjacent to inlaid spring 307. When the handle 2 drives the sliding pin 3 to move towards the middle through the curved driving rod 201, the stop surface 309 abuts against the side wall of the square guide hole 1013, so that the sliding pin 3 can not move towards the middle any more, and the curved driving rod 201 is prevented from being separated from the inclined groove 301 due to the overlarge overturning angle of the handle 2.

The root of the two inlaid spring plates 307 is provided with a root stop surface 310, so that when the two inlaid spring plates 307 are inlaid into the square inlaid hole 305, the positioning columns 308 on the inlaid spring plates accurately penetrate through the positioning through holes 306, and meanwhile, under the action of the root stop surfaces 310, the bolt part 304 and the driving part 303 are connected more firmly and cannot shake.

As shown in fig. 3, the projection of the curved driving lever 201 on the plane perpendicular to the rotation axis of the handle 2 is arc-shaped with the center of the arc being the rotation axis of the handle 2, as shown in fig. 1, the projection of the curved driving lever 201 on the front is oblique, so that as the handle 2 is turned over within the Φ angle range, the force exerted on the chute 301 of the slide pin 3 by the curved driving lever 201 is at the same position and does not change, and the direction of the driving force is ensured to be in the front-rear direction.

Claims

1. The utility model provides a locking device, includes the support frame, swing handle, a pair of sliding pin, the spring coil of setting on the support frame, its characterized in that support frame's both sides all are provided with guide structure, and a pair of sliding pin slides respectively and sets up on the guide structure on the both sides of support frame, is provided with the chute on the sliding pin, is provided with crooked actuating lever on the handle of corresponding chute, and a spring coil setting is between a pair of sliding pin, and the both sides of support frame are provided with the handle connecting seat, and the handle rotates to be connected on the handle connecting seat.

2. The locking device of claim 1, wherein the guide structure of the support frame comprises a square guide groove opened at the upper end of the middle part of the support frame, a square guide hole at both ends of the square guide groove, and the cross-sectional shape of the sliding pin part in the guide structure is square.

3. The locking device of claim 2 wherein the width of the opening is greater than the width of the angled slot and less than the width of the portion of the slide pin located within the guide structure.

4. A locking arrangement as claimed in claim 1, 2 or 3, characterised in that the sliding pin is provided with a stop surface.

5. A locking arrangement as claimed in claim 1, 2 or 3, wherein the sliding pin comprises a drive portion, a bolt portion fixedly connected to the drive portion.

6. The locking device of claim 5, wherein the cross-sectional shape of the driving portion is square, the outer side of the driving portion is provided with a square embedding hole, the upper and lower side walls of the square embedding hole are provided with positioning holes, the bolt portion corresponding to the square embedding hole is provided with two embedded spring pieces, the two embedded spring pieces are provided with positioning posts corresponding to the positioning holes, after the two embedded spring pieces on the bolt portion are embedded into the square embedding hole, the positioning posts on the bolt portion are penetrated on the positioning holes to fix the bolt portion on the driving portion.

7. The locking device of claim 6, wherein the locking bolt portion is provided with a stop surface adjacent the inlaid spring plate.

8. The locking device of claim 6, wherein the root of the two inlaid spring pieces is provided with a root stop surface.

9. The locking device of claim 1 or 2 or 3 or 6 or 7 or 8, wherein the projection of the curved driving rod on a plane perpendicular to the rotation axis of the handle is in a circular arc shape with the center of the circle being the rotation axis of the handle, and the projection of the curved driving rod on the front surface is in an inclined shape.

10. The locking device of claim 4, wherein the curved driving rod is projected on a plane perpendicular to the rotational axis of the handle in a circular arc shape whose center is the rotational axis of the handle, and the projection of the curved driving rod on the front surface is inclined.