CN219345176U

CN219345176U - Automatic spring bolt device of annular spring

Info

Publication number: CN219345176U
Application number: CN202223241274.9U
Authority: CN
Inventors: 王林炜; 许超; 李占峰; 刘潮军; 梁军
Original assignee: Langfang Chengdi Machinery Equipment Co ltd
Current assignee: Langfang Chengdi Machinery Equipment Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-07-14
Anticipated expiration: 2032-12-05

Abstract

The utility model provides an automatic ring spring bolt device, comprising: the device comprises a sleeve base body and an axial rod, wherein an opening at one end of the sleeve base body is connected with the axial rod; the surface opening part of the sleeve base body is connected with a lock tongue, a surface notch part of the lock tongue is connected with an annular spring, the side wall of the lock tongue is provided with a guide groove, and the surface of the lock tongue is connected with a guide pin shaft in a penetrating way. According to the utility model, the axial rod moves towards the opening of the sleeve body, at the moment, the annular spring is an integral tension spring subjected to closed-loop treatment and has a certain pre-tightening tension, so that the inclined surface of the lock tongue is outwards opened under the action of axial external force, the annular spring is simultaneously ensured to be in a stretching state until the limit position of the guide pin shaft is reached, once the axial external force disappears, the four lock tongues are simultaneously and rapidly inserted into radial directions under the action of the annular spring storage force, and the lock tongues are embedded with the corresponding notches on the surface of the axial rod, so that the aim of safe locking is achieved.

Description

Automatic spring bolt device of annular spring

Technical Field

The utility model belongs to the field of spring bolt devices, and particularly relates to an annular spring automatic bolt device.

Background

The spring shrinkage is generally adopted to design the lock tongue at the radial position of the sleeve to achieve the aim of locking, and the assembly connection between the sleeve and the butt joint barrel is completed by utilizing the expansion and the contraction of the spring to complete the locking, so that the sleeve can be conveniently used for prolonging the service life;

the existing sleeve is narrow in position space of the spring used by spring locking, a conventional tension spring or a conventional compression spring is not easy to use, and meanwhile, the existing sleeve drives a lock tongue through the spring locking by using an independent spring, so that the number of the springs is large, the locking of the sleeve is not easy to complete, and the adjustment is inconvenient.

In summary, the present utility model provides an automatic ring spring locking device to solve the above-mentioned problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an automatic ring spring bolt device, which aims to solve the problems that the prior sleeve is narrow in position space of a spring used by locking the spring, a conventional tension spring or a compression spring is not easy to use, and the prior sleeve drives a bolt by using an independent spring through locking the spring, so that the number of the springs is large, the locking of the sleeve is not easy to complete, the adjustment is inconvenient, and the like.

An automatic annular spring deadbolt assembly comprising: the device comprises a sleeve base body and an axial rod, wherein an opening at one end of the sleeve base body is connected with the axial rod;

the surface opening part of the sleeve base body is connected with a lock tongue, a surface notch part of the lock tongue is connected with an annular spring, the side wall of the lock tongue is provided with a guide groove, and the surface of the lock tongue is connected with a guide pin shaft in a penetrating way.

Preferably, the inclined surface at the bottom end of the lock tongue is provided with four lock tongues, and the four lock tongues are uniformly distributed on the surface of the sleeve base body relative to the center of the cross section of the sleeve base body.

Preferably, two annular springs are arranged, and an elastic telescopic structure is formed between the annular springs and the lock tongue.

Preferably, the guide pin shaft is made of stainless steel, and the guide pin shaft penetrates through a guide groove on the surface of the lock tongue to be connected with the sleeve base body.

Preferably, the sleeve base body is provided with a positioning groove close to the inner wall of the notch of the guide pin shaft, the inner wall of the positioning groove is connected with a thimble, and the arc-shaped end of the thimble is connected with the guide pin shaft.

Preferably, the inner wall of the positioning groove is also connected with two elastic plates, the elastic plates are made of flexible metal materials, one end of each elastic plate is connected with a buckle, and the buckle and the elastic plates form an elastic linkage structure.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the axial rod moves towards the opening of the sleeve base body, so that the inclined surface of the lock tongue is outwards opened under the action of axial external force, the annular spring is simultaneously in a stretched state, and four annular springs are simultaneously and rapidly inserted towards the radial direction under the action of the storage force of the annular spring after the axial external force disappears once the limit position of the guide pin shaft is reached, so that the aim of safe locking is fulfilled.

2. According to the utility model, the guide pin shaft is rotated, so that the buckle at one end of the elastic plate is separated from the connection with the guide pin shaft, and meanwhile, the guide pin shaft is taken out from the surfaces of the sleeve base body and the lock tongue through the use of the ejector pin and the elastic plate, so that the lock tongue is taken out from the surface of the sleeve base body, the lock tongues of different types are convenient to replace, and the sleeve base body is convenient to match with the lock tongues of various types.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic side cross-sectional view of the present utility model;

fig. 3 is a schematic view of the snap connection structure of the present utility model.

In the figure:

1. a sleeve base; 2. an axial rod; 3. a bolt; 4. an annular spring; 5. a guide groove; 6. a guide pin shaft; 7. a positioning groove; 8. a thimble; 9. an elastic plate; 10. and (5) a buckle.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1-3, the present utility model provides an automatic ring spring deadbolt assembly comprising: the axial rod 2 is connected to the opening at one end of the sleeve base body 1;

the surface opening part of the sleeve base body 1 is connected with a lock tongue 3, a surface notch part of the lock tongue 3 is connected with an annular spring 4, the side wall of the lock tongue 3 is provided with a guide groove 5, and the surface of the lock tongue 3 is connected with a guide pin shaft 6 in a penetrating way.

Referring to fig. 1, the bottom inclined surfaces of the locking bolts 3 are provided with four locking bolts 3, and the four locking bolts 3 are uniformly distributed on the surface of the sleeve base 1 with respect to the center of the cross section of the sleeve base 1.

Referring to fig. 1, two annular springs 4 are provided, and an elastic telescopic structure is formed between the annular springs 4 and the lock tongue 3.

Referring to fig. 1 and 2, the guide pin 6 is made of stainless steel, and the guide pin 6 passes through a guide groove 5 on the surface of the lock tongue 3 to be connected with the sleeve body 1.

Referring to fig. 1 and 3, a positioning groove 7 is formed in the inner wall of the sleeve base body 1, which is close to the notch of the guide pin shaft 6, a thimble 8 is connected to the inner wall of the positioning groove 7, and the arc-shaped end of the thimble 8 is connected with the guide pin shaft 6.

Referring to fig. 3, two elastic plates 9 are further connected to the inner wall of the positioning slot 7, the elastic plates 9 are made of flexible metal, the elastic plates 9 are made of flexible stainless steel, one end of each elastic plate 9 is connected with a buckle 10, and the buckle 10 and the elastic plates 9 form an elastic linkage structure.

The specific working principle is as follows: as shown in fig. 1-3, when the annular spring automatic spring bolt device is used, firstly, the axial rod 2 moves towards the opening of the sleeve base body 1, at this time, the annular spring 4 is a whole closed-loop treated tension spring with a certain pretightening tension force, so that the inclined plane of the spring bolt 3 is outwards opened under the action of an axial external force, the annular spring 4 is simultaneously ensured to be in a stretching state, and the inclined plane is expanded to the limit position of the guide pin shaft 6, once the axial external force disappears, under the action of the power accumulation of the annular spring 4, the four spring bolts 3 are simultaneously and rapidly inserted into the radial direction, so that the spring bolts 3 are embedded with corresponding notches on the surface of the axial rod 2, and the aim of safe locking is achieved; then through rotatory direction round pin axle 6 for buckle 10 of elastic plate 9 one end breaks away from with the connection of direction round pin axle 6, buckle 10 extrudees elastic plate 9 simultaneously, make elastic plate 9 take place deformation, make direction round pin axle 6 break away from fixed connection mode, direction round pin axle 6 keep away from thimble 8 simultaneously, take out direction round pin axle 6 at the surface of sleeve base member 1 and spring bolt 3, make spring bolt 3 take out at the surface of sleeve base member 1, conveniently cooperate the spring bolt 3 of multiple model, realize the locking of sleeve base member 1 pluralism, this is the characteristics of this automatic spring bolt device of annular spring.

The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. An automatic annular spring deadbolt assembly comprising: sleeve base member (1) and axial pole (2), its characterized in that: an axial rod (2) is connected to the opening at one end of the sleeve base body (1);

the novel lock comprises a sleeve body (1), wherein a lock tongue (3) is connected to the surface opening of the sleeve body, an annular spring (4) is connected to the surface notch of the lock tongue (3), a guide groove (5) is formed in the side wall of the lock tongue (3), and a guide pin shaft (6) penetrates through the surface of the lock tongue (3).

2. The annular spring automatic deadbolt assembly of claim 1, wherein: the bottom inclined plane of spring bolt (3), spring bolt (3) are provided with four, four spring bolt (3) are about the cross-section centre of a circle of sleeve base member (1) evenly distributed on the surface of sleeve base member (1).

3. The annular spring automatic deadbolt assembly of claim 1, wherein: the annular springs (4) are arranged in two, and an elastic telescopic structure is formed between the annular springs (4) and the lock tongue (3).

4. The annular spring automatic deadbolt assembly of claim 1, wherein: the guide pin shaft (6) is made of stainless steel, and the guide pin shaft (6) penetrates through the guide groove (5) on the surface of the lock tongue (3) to be connected with the sleeve base body (1).

5. The annular spring automatic deadbolt assembly of claim 1, wherein: the sleeve base body (1) is close to the notch inner wall of the guide pin shaft (6) and is provided with a positioning groove (7), the inner wall of the positioning groove (7) is connected with a thimble (8), and the arc-shaped end of the thimble (8) is connected with the guide pin shaft (6).

6. The annular spring automatic locking bolt assembly of claim 5, wherein: the inner wall of the positioning groove (7) is also connected with two elastic plates (9), and the elastic plates (9) are made of flexible metal materials.

7. The annular spring automatic locking bolt assembly of claim 6, wherein: one end of the elastic plate (9) is connected with a buckle (10), and the buckle (10) and the elastic plate (9) form an elastic linkage structure.