CN217740358U

CN217740358U - Spring contact

Info

Publication number: CN217740358U
Application number: CN202221297112.4U
Authority: CN
Inventors: 张正周
Original assignee: Shaanxi Vico Electric Co ltd
Current assignee: Shaanxi Vico Electric Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-11-04
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses a spring contact, including shell, mounting panel, spring structure, contact structure and installation component, spring structure includes first spring and movable block, and the both ends of first spring and two movable blocks are laminated each other, two the one end outside that the movable block is close to each other all is provided with the stopper, stopper and first spring fixed connection, contact structure includes press head, fly leaf, fixture block and shell, the both sides of press head all with fly leaf fixed connection, the fixture block is installed in one side of press head is kept away from to the fly leaf, produces limiting displacement to the contact through fixture block and fly leaf, at the in-process that the press head reciprocated, through fixture block extrusion fly leaf, the elasticity restriction fixture block of fly leaf makes contact and shell keep a distance, restricts the orbit and the motion of contact, increases the life of contact, and contact and fixed block pass through block structure and screw thread lug installation, increase the stability between contact and the fixed block.

Description

Spring contact

Technical Field

The utility model relates to a spring contact technical field specifically is a spring contact.

Background

The contact is one of key components of the switching electric appliance, the main performance and the service life of the switching electric appliance depend on the quality of contact materials to a great extent, the contact materials are generally required to have good conductivity, lower contact resistance, higher fusion welding resistance, higher arc erosion resistance and material transfer resistance, and in the process of long-term use of the traditional spring contact, the contact surface is unstable, the bounce is easy to cause instability, the abrasion of the contact is increased, and the service life is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spring contact to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the spring structure comprises a first spring and two movable blocks, wherein two ends of the first spring are attached to the two movable blocks, the outer sides of the ends, close to each other, of the two movable blocks are respectively provided with a limiting block, and the limiting blocks are fixedly connected with the first spring;

the contact structure comprises a pressing head, a movable plate, a clamping block and a shell, wherein two sides of the pressing head are fixedly connected with the movable plate, and the clamping block is arranged on one side, far away from the pressing head, of the movable plate;

the mounting assembly comprises a fixing block, a connecting block and a connecting rod, the fixing block is fixedly connected with the connecting rod through the connecting block, grooves are formed in two ends of one side of the fixing block, and clamping structures are arranged in the grooves.

Preferably, the clamping structure comprises a second spring and a positioning block, the positioning block is fixedly connected with one end of the second spring, and the positioning block is connected in the groove in a sliding mode.

Preferably, the inside of shell is located to first spring movable sleeve, two the mounting groove has all been seted up to the one end that the movable block is close to each other, the internally mounted of mounting groove has the lug.

Preferably, the outer side of the fixing block is provided with a spiral groove, the spiral groove is in threaded connection with the protruding block, and the connecting block and the connecting rod are movably sleeved inside two ends of the first spring.

Preferably, the pressing head is installed at one end of each movable block, the ends of the two sides of the shell are both provided with guide holes, and the guide holes and the clamping blocks are the same in size.

Preferably, both sides of the movable block are provided with positioning holes, the insides of the positioning holes are connected with the outer sides of the clamping blocks in a sliding and penetrating manner, and mounting plates are mounted at both ends of the shell.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a fixture block and fly leaf produce limiting displacement to the contact, at the in-process that the press head reciprocated, through fixture block extrusion fly leaf, the elasticity restriction fixture block of fly leaf makes contact and shell keep apart, restricts the orbit and the motion of contact, increases the life of contact, and contact and fixed block pass through block structure and screw thread lug installation, increase the stability between contact and the fixed block.

Drawings

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

FIG. 2 is a sectional view of the internal structure of the housing of the present invention;

FIG. 3 is a sectional view of the internal structure of the movable block of the present invention;

fig. 4 is an enlarged view of a structure in fig. 3 according to the present invention.

In the figure: 1. a housing; 2. mounting a plate; 3. a movable block; 4. a first spring; 5. a pressing head; 6. a clamping block; 7. a movable plate; 8. a fixed block; 9. connecting blocks; 10. a connecting rod; 11. a bump; 12. a second spring; 13. and (5) positioning the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the spring structure comprises a shell 1, a mounting plate 2, a spring structure, a contact structure and a mounting assembly, wherein the spring structure comprises a first spring 4 and two movable blocks 3, two ends of the first spring 4 are mutually attached to the two movable blocks 3, the outer sides of the ends, close to each other, of the two movable blocks 3 are respectively provided with a limiting block, and the limiting blocks are fixedly connected with the first spring 4;

the first spring 4 is movably sleeved inside the shell 1, mounting grooves are formed in the ends, close to each other, of the two movable blocks 3, and convex blocks 11 are mounted inside the mounting grooves;

the contact structure comprises a pressing head 5, a movable plate 7, a clamping block 6 and a shell 1, wherein two sides of the pressing head 5 are fixedly connected with the movable plate 7, the clamping block 6 is installed on one side, away from the pressing head 5, of the movable plate 7, the movable plate 7 can deform, and the outer side of the clamping block 6 is arc-shaped, so that friction can be reduced;

positioning holes are formed in the two sides of the movable block 3, the inner portions of the positioning holes are connected with the outer sides of the clamping blocks 6 in a sliding and penetrating mode, and the mounting plates 2 are mounted at the two ends of the shell 1;

according to the press head 5 install in the one end that two movable blocks 3 kept away from each other, the guiding hole has all been seted up at the both ends of 1 both sides of shell, and the size correspondence of guiding hole and fixture block 6 is the same.

Referring to fig. 3 and 4, the mounting assembly includes a fixing block 8, a connecting block 9 and a connecting rod 10, the fixing block 8 is fixedly connected with the connecting rod 10 through the connecting block 9, both ends of one side of the fixing block 8 are provided with grooves, and a clamping structure is arranged inside the grooves;

the clamping structure comprises a second spring 12 and a positioning block 13, the positioning block 13 is fixedly connected with one end of the second spring 12, the positioning block 13 is connected in the groove in a sliding mode, and the other end of the second spring 12 is fixedly connected with the fixing block 8;

the spiral groove is formed in the outer side of the fixing block 8 and is in threaded connection with the protruding block 11, and the connecting block 9 and the connecting rod 10 are movably sleeved inside the two ends of the first spring 4.

During installation, the two fixed blocks 8 are sleeved at two ends of the first spring 4, the connecting block 9 and the connecting rod 10 are located inside the first spring 4, the movable block 3 is sleeved outside the fixed block 8, when the fixed block 8 is attached to the lug 11, the movable block 3 is rotated, the lug 11 is in threaded connection with the fixed block 8, meanwhile, the positioning block 13 is extruded and slides to drive the second spring 12 to extrude, the positioning block 13 slides inside the movable block 3, when the positioning block 13 moves into the positioning hole, the self resilience of the second spring 12 drives the positioning block 13 to move, the positioning block 13 is clamped inside the positioning hole, fixing between the movable block 3 and the fixed block 8 is realized through the positioning block 13, the limiting blocks are fixed with two ends of the first spring 4, the first spring 4 with contacts assembled at two ends is placed inside the shell 1, the clamping block 6 is extruded when entering the shell 1, the clamping block 6 drives the movable plate 7 to deform, when the clamping block 6 moves inside the guide hole, the movable plate 7 is unfolded, and the clamping block 6 is limited by sliding inside the guide hole.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a spring contact, includes shell (1), mounting panel (2), spring structure, contact structure and installation component, its characterized in that: the spring structure comprises a first spring (4) and movable blocks (3), two ends of the first spring (4) are attached to the two movable blocks (3), the outer sides of the ends, close to each other, of the two movable blocks (3) are respectively provided with a limiting block, and the limiting blocks are fixedly connected with the first spring (4);

the contact structure comprises a pressing head (5), a movable plate (7), a clamping block (6) and a shell (1), wherein two sides of the pressing head (5) are fixedly connected with the movable plate (7), and the clamping block (6) is installed on one side, far away from the pressing head (5), of the movable plate (7);

the mounting assembly comprises a fixing block (8), a connecting block (9) and a connecting rod (10), the fixing block (8) is fixedly connected with the connecting rod (10) through the connecting block (9), grooves are formed in the two ends of one side of the fixing block (8), and clamping structures are arranged inside the grooves.

2. A spring contact according to claim 1, wherein: the clamping structure comprises a second spring (12) and a positioning block (13), the positioning block (13) is fixedly connected with one end of the second spring (12), and the positioning block (13) is connected to the inner portion of the groove in a sliding mode.

3. A spring contact according to claim 1, wherein: the inside of shell (1), two is located to first spring (4) movable sleeve the one end that movable block (3) are close to each other has all seted up the mounting groove, the internally mounted of mounting groove has lug (11).

4. A spring contact according to claim 1, wherein: the spiral groove has been seted up in the outside of fixed block (8), spiral groove and lug (11) threaded connection, the inside at first spring (4) both ends is located to connecting block (9) and connecting rod (10) movable sleeve.

5. A spring contact according to claim 1, wherein: the pressing head (5) is arranged at one end, far away from each other, of each movable block (3), guide holes are formed in two ends of two sides of the shell (1), and the guide holes and the clamping blocks (6) are the same in size correspondence.

6. A spring contact according to claim 1, wherein: locating holes are formed in the two sides of the movable block (3), the inside of each locating hole is connected with the outer side of the corresponding clamping block (6) in a sliding and penetrating mode, and the mounting plates (2) are mounted at the two ends of the shell (1).