CN215496422U

CN215496422U - Travel switch torsional spring

Info

Publication number: CN215496422U
Application number: CN202122433359.6U
Authority: CN
Inventors: 孙小君; 谢红青
Original assignee: Shenzhen Kaixin Spring Manufacturing Co ltd
Current assignee: Shenzhen Kaixin Spring Manufacturing Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-01-11
Anticipated expiration: 2031-10-08

Abstract

The utility model belongs to the technical field of springs, and discloses a travel switch torsion spring which comprises a switch body and a switch upper cavity, wherein the switch upper cavity is positioned at the top of the switch body, a torsion spring limiting groove is formed in the switch upper cavity, a torsion spring is arranged in the torsion spring limiting groove, a convex rod is arranged at one end of the torsion spring, a sliding groove is formed above the inner part of the torsion spring limiting groove, the convex rod extends to the inner part of the sliding groove, a sleeve shell is sleeved on the outer surface of the torsion spring, a rotating groove is formed in the sleeve shell, and a fixing block is arranged on one side, close to the torsion spring limiting groove, of the sleeve shell. The service life of the torsion spring is prolonged.

Description

Travel switch torsional spring

Technical Field

The utility model belongs to the technical field of springs, and particularly relates to a travel switch torsion spring.

Background

The travel switch is a position switch, is a common small-current master electrical appliance, realizes the connection or disconnection of a control circuit by utilizing the collision of a mechanical motion part to ensure that a contact of the mechanical motion part acts, achieves a certain control aim, is internally connected with a torsion spring, and can return to the original position after completing one-time circuit control through the torsion spring.

In the prior art, the travel switch torsion spring is easy to over-steer when rotating, so that the torsion spring is easy to break, and the stability of the travel switch torsion spring is not high when rotating, so that the torsion spring is derailed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a travel switch torsion spring to solve the problems that the service life of the existing travel switch torsion spring is short and the stability of the torsion spring is low in use.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a travel switch torsional spring, includes switch body and switch epicoele, the switch epicoele is located the top of switch body, the torsional spring spacing groove has been seted up to the inside of switch epicoele, the inside of torsional spring spacing groove is provided with the torsional spring, the one end of torsional spring is provided with the nose bar, the spout has been seted up to the inside top of torsional spring spacing groove, the nose bar extends to the inside of spout.

Preferably, the outer surface cover of torsional spring has the cover shell, the rotating groove has been seted up to the inside of cover shell, the one side that is close to the torsional spring spacing groove of cover shell is provided with the fixed block.

Preferably, the torsion spring is fixed at the inner lower part of the torsion spring limiting groove opposite to one end of the convex rod, and the sliding groove is in clearance fit with the convex rod.

Preferably, the mounting block is installed on one side of the casing close to the torsion spring limiting groove, and a fixing bolt is arranged inside the mounting block.

Preferably, a thread groove is formed in one side of the adjacent torsion spring limiting groove in the upper switch cavity and is matched with the fixing bolt.

Preferably, a spring is arranged between the mounting block and the inner wall of the switch upper cavity, one end of the spring is fixed to the mounting block, and the fixing block and one end, back to the convex rod, of the torsion spring are located on the same horizontal plane.

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

(1) the utility model is provided with the convex rod and the sliding groove, and the convex rod fixed on the moving end of the torsion spring is inserted into the sliding groove when the torsion spring is installed, so that the rotating stability of the torsion spring can be improved by the convex rod when the external rotating rod rotates through the torsion spring, thereby effectively preventing the torsion spring from over-rotating and prolonging the service life of the torsion spring.

(2) The shell, the spring and the fixing block are arranged, the shell is sleeved on the outer surface of the torsion spring, the shell is fixed inside the switch upper cavity through the fixing bolt and is pressed tightly by the spring, and the shell drives the fixing block to effectively press one end of the torsion spring, so that the torsion spring can be effectively wrapped and the stability of the torsion spring inside the torsion spring limiting groove is improved.

Drawings

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

FIG. 2 is a side view of the torsion spring of the present invention;

FIG. 3 is a side view of the case of the present invention;

in the figure: 1. a switch body; 2. an upper cavity is switched on and off; 3. a torsion spring limiting groove; 4. a torsion spring; 5. a thread groove; 6. a chute; 7. a nose bar; 8. a housing; 9. mounting blocks; 10. fixing the bolt; 11. a spring; 12. rotating the groove; 13. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a travel switch torsional spring, including switch body 1 and switch epicoele 2, switch epicoele 2 is located switch body 1's top, torsional spring spacing groove 3 has been seted up to switch epicoele 2's inside, torsional spring spacing groove 3 can make torsional spring 4 by stable installation, the inside of torsional spring spacing groove 3 is provided with torsional spring 4, the one end of torsional spring 4 is provided with nose bar 7, the stable removal in spout 6 that torsional spring 4 can be stable can be guaranteed to nose bar 7, spout 6 has been seted up to the inside top of torsional spring spacing groove 3, nose bar 7 extends to the inside of spout 6, can effectually prevent that torsional spring 4 from excessively turning to.

Further, the outer surface cover of torsional spring 4 has sleeve 8, and rotating groove 12 has been seted up to sleeve 8's inside, and rotating groove 12 can make things convenient for travel switch to change the handle and rotate, and one side that is close to torsional spring spacing groove 3 of sleeve 8 is provided with fixed block 13, and fixed block 13 can be effectual fixed with torsional spring 4.

Furthermore, the torsion spring 4 is fixed below the inner part of the torsion spring limiting groove 3 opposite to one end of the convex rod 7, and the sliding groove 6 is in clearance fit with the convex rod 7, so that the convex rod 7 can be conveniently and stably moved in the sliding groove 6.

Specifically, the mounting block 9 is installed on one side of the sleeve 8 close to the torsion spring limiting groove 3, the fixing bolt 10 is arranged inside the mounting block 9, and the sleeve 8 can be stably fixed through the fixing bolt 10.

It is worth to say that, a thread groove 5 is formed in one side of the switch upper cavity 2 adjacent to the torsion spring limiting groove 3, and the thread groove 5 is matched with the fixing bolt 10, so that a worker can conveniently install the casing 8.

Further, be provided with spring 11 between the inner wall of installation piece 9 and switch epicoele 2, can provide a certain amount of buffering space for cover 8, spring 11's one end is fixed with installation piece 9, and fixed block 13 and torsional spring 4 are located same horizontal plane in the one end of protruding pole 7 back to on the contrary, can guarantee that fixed block 13 is stable fixed with the one end of torsional spring 4.

The working principle and the using process of the utility model are as follows: when the device is used, the torsion spring 4 is placed in the torsion spring limiting groove 3 in the switch upper cavity 2, one end of the torsion spring 4 can be effectively fixed, the other end of the torsion spring 4 is inserted into the sliding groove 6 in the torsion spring limiting groove 3 through the connected convex rod 7, so that the rotating stability of the rotating rod through the torsion spring 4 is effectively improved, the sleeve 8 is sleeved on the outer surface of the torsion spring 4, the mounting block 9 on one side of the sleeve 8 is aligned to the thread groove 5, the fixing bolt 10 is screwed, so that the sleeve 8 is effectively connected with the inner wall of the switch upper cavity 2, the spring 11 is compressed by the mounting block 9, and the fixing block 13 compresses the torsion spring 4, so that the mounting stability of the torsion spring 4 is effectively improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a travel switch torsional spring, includes switch body (1) and switch epicoele (2), switch epicoele (2) are located the top of switch body (1), its characterized in that: torsional spring spacing groove (3) have been seted up to the inside of switch epicoele (2), the inside of torsional spring spacing groove (3) is provided with torsional spring (4), the one end of torsional spring (4) is provided with nose bar (7), spout (6) have been seted up to the inside top of torsional spring spacing groove (3), nose bar (7) extend to the inside of spout (6).

2. A travel switch torsion spring according to claim 1, wherein: the outer surface cover of torsional spring (4) has cover shell (8), rotary slot (12) have been seted up to the inside of cover shell (8), one side that is close to torsional spring spacing groove (3) of cover shell (8) is provided with fixed block (13).

3. A travel switch torsion spring according to claim 1, wherein: the torsion spring (4) is fixed below the inner part of the torsion spring limiting groove (3) at the end back to the convex rod (7), and the sliding groove (6) is in clearance fit with the convex rod (7).

4. A travel switch torsion spring according to claim 2, wherein: the mounting block (9) is installed on one side, close to the torsion spring limiting groove (3), of the casing (8), and a fixing bolt (10) is arranged inside the mounting block (9).

5. A travel switch torsion spring according to claim 4, wherein: thread groove (5) have been seted up to one side of the adjacent torsional spring spacing groove (3) in switch epicoele (2), thread groove (5) and fixing bolt (10) are mutually supported.

6. A travel switch torsion spring according to claim 5, wherein: be provided with spring (11) between the inner wall of installation piece (9) and switch epicoele (2), the one end and the installation piece (9) of spring (11) are fixed, fixed block (13) and torsional spring (4) are located same horizontal plane in the one end of protruding pole (7) mutually.