CN220816373U - Spring convenient to change - Google Patents

Abstract

The utility model relates to the technical field of springs, and discloses a spring convenient to replace, which comprises a spring body, a second mounting head and a third mounting head, wherein an upper connecting plate is fixedly arranged at the upper end of the spring body, a lower connecting plate is fixedly arranged at the lower end of the spring body, a parallel ring is fixedly arranged in the middle of the spring body, a first mounting head is fixedly arranged at the upper end of the upper connecting plate in a threaded manner, and a fixing base is fixedly arranged at the lower end of the lower connecting plate in a threaded manner. According to the device, the upper connecting plate and the lower connecting plate are fixedly arranged at the upper end and the lower end of the spring, the lower end of the lower connecting plate is in threaded connection with the fixed base, the fixed base is welded and fixed with the inside of the circuit breaker, the spring body is in threaded fixation with the lower connecting plate, the upper connecting plate can be used for replacing different middle mounting heads, the threaded connection is convenient for dismounting the spring, the dismounting and mounting time is reduced, and the circuit breakers of different types can be mounted by arranging different mounting heads.

Description

Spring convenient to change

Technical Field

The utility model relates to the technical field of springs, in particular to a spring convenient to replace.

Background

The spring is a part made of alloy steel, can deform under the action of external force when in use, can recover after the external force is removed, and common shapes include spiral shapes, plate shapes and rod shapes, the circuit breaker is a switching device capable of closing, bearing and switching on and off current under normal or abnormal loop conditions, the circuit breaker is an important electric device for protecting and operating a power system, can be used for distributing electric energy, and is used for not frequently starting an asynchronous motor, protecting a power line and the motor, has various structures and different types, but basically consists of a conductive main loop, an insulating support piece, an arc extinguishing chamber and an operating mechanism, and is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range of the circuit breaker, and the circuit breaker is often required to use the spring.

The traditional circuit breaker spring is in use with spring one side fixed mounting in the circuit breaker, and the opposite side is fixed by couple and circuit breaker joint, if the spring damages and need be changed at this moment and just can produce inconvenience, can not change the spring fast, consequently, the skilled artisan provides a spring of being convenient for change to solve the problem that proposes among the above-mentioned background art.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a spring convenient to replace.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the spring convenient to replace comprises a spring body, a second mounting head and a third mounting head, wherein an upper connecting plate is fixedly arranged at the upper end of the spring body, and a lower connecting plate is fixedly arranged at the lower end of the spring body;

the middle part of the spring body is fixedly provided with a parallel ring, the upper end of the upper connecting plate is fixedly provided with a first mounting head through threads, and the lower end of the lower connecting plate is fixedly provided with a fixed base through threads;

Through above-mentioned technical scheme, this device is through fixed upper junction plate and the lower connecting plate of setting up in spring upper end and lower extreme, lower connecting plate lower extreme and unable adjustment base threaded connection, unable adjustment base and the inside welded fastening of circuit breaker, spring body and lower connecting plate threaded fastening, the change of different installation heads can be carried out to the upper junction plate, the installation head is applicable to the inside couple of circuit breaker and is fixed, the installation head is applicable to the inside link of circuit breaker and is fixed, the installation head is applicable to the inside screw hole of circuit breaker and is fixed, through setting up the installation head of difference, be favorable to the circuit breaker of different models to install, strengthen the practicality of this device.

Further, fixing plates are fixedly arranged at two sides of the upper end of the third mounting head, and mounting holes are formed in the middle of the two fixing plates;

Through the technical scheme, the fixing plate is provided with the middle mounting hole, the mounting hole is provided with the fixing nut to penetrate and fix, and the fixing nut is fixed with the threaded hole formed in the circuit breaker.

Further, fixing nuts are fixed at the middle parts of the two mounting holes in a threaded manner;

Through the technical scheme, the fixing nut is arranged to be favorable for penetrating the threaded hole, and is favorable for fixing the spring and the inside of the circuit breaker.

Further, a fixed hook is fixedly arranged at the upper end of the second mounting head;

through the technical scheme, the fixing hook is arranged to be favorable for fixing the hanging ring in the circuit breaker, and is favorable for changing different fixing modes.

Further, a mounting ring is fixedly arranged in the middle of the upper end of the first mounting head;

Through above-mentioned technical scheme, the installation of collar is favorable to fixed with the inside couple of circuit breaker, is favorable to changing the fixed mode of different kinds.

Further, connecting blocks are fixedly arranged on the outer sides of the upper connecting plate and the lower connecting plate;

Through above-mentioned technical scheme, the connecting block be favorable to spring and lower connecting plate threaded connection, be favorable to the change and the installation of different installation heads.

Further, the spring body comprises a base layer, and an extension layer is fixedly arranged on the inner surface of the base layer;

through above-mentioned technical scheme, the setting of extension layer has improved the extension degree of spring greatly.

Further, the outer surface of the base layer is fixedly provided with a rust-proof layer;

Through above-mentioned technical scheme, the setting on rust-resistant layer has stronger rust-resistant anticorrosive function, can effectually protect the spring, can increase the life of spring to a great extent.

The utility model has the following beneficial effects:

1. According to the spring convenient to replace, the upper connecting plate and the lower connecting plate are fixedly arranged at the upper end and the lower end of the spring, the lower end of the lower connecting plate is fixedly connected with the base through threads, the base is fixedly welded inside the circuit breaker, the spring body is fixedly connected with the lower connecting plate through threads, the upper connecting plate can be used for replacing different mounting heads, the first mounting head is suitable for being fixed on a hook inside the circuit breaker, the second mounting head is suitable for being fixed on a hanging ring inside the circuit breaker, the third mounting head is suitable for being fixed on threaded holes inside the circuit breaker, and the mounting of circuit breakers of different types is facilitated by arranging the different mounting heads, so that the practicability of the spring convenient to replace is enhanced.

2. According to the spring convenient to replace, the spring body, the upper connecting plate and the lower connecting plate are arranged, the spring body is in threaded connection with the lower connecting plate, the spring can be replaced in time after a problem occurs, the threaded connection is convenient for disassembling the spring, the time length for disassembling and installing the spring is shortened, the extension layer is arranged in the spring and is made of high-quality high-carbon alloy steel, the extension degree of the spring is greatly improved, the rust-proof layer is also arranged, the spring is composed of salt and organic nitrogen base, the rust-proof and corrosion-proof functions are relatively strong, the spring can be effectively protected, and the service life of the spring clamp is greatly prolonged.

Drawings

FIG. 1 is a schematic illustration of an axial spring of the present utility model for easy replacement;

FIG. 2 is a schematic axial view of a spring retention hook according to the present utility model for easy replacement;

FIG. 3 is a schematic axial view of a spring retainer plate according to the present utility model for easy replacement;

fig. 4 is an enlarged schematic view of a spring according to the present utility model for easy replacement.

Legend description:

1. A spring body; 2. an upper connecting plate; 3. a lower connecting plate; 4. a connecting block; 5. a first mounting head; 6. a mounting ring; 7. a fixed base; 8. and (3) coiling; 9. a second mounting head; 10. a fixed hook; 11. a third mounting head; 12. a fixing plate; 13. a mounting hole; 14. a fixing nut; 101. an extension layer; 102. a base layer; 103. and a rust-proof layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a spring convenient to change, including spring body 1, no. two installation heads 9 and No. three installation heads 11, no. two installation heads 9 are applicable to the inside link of circuit breaker and fix, and No. three installation heads 11 are applicable to the inside screw hole of circuit breaker and fix, through setting up different installation heads, are favorable to the circuit breaker of different models to install, strengthen the practicality of this device, spring body 1 upper end is fixed to be provided with upper connection plate 2, be favorable to with different connector screw thread installation, spring body 1 lower extreme is fixed to be provided with down connection plate 3, be favorable to with unable adjustment base 7 screw thread installation fixed;

The fixed parallel ring 8 that is provided with in the middle part of spring body 1 to circle 8 be favorable to buffering elasticity, reduce the spring impaired, upper end screw thread fixed be provided with installation head 5 No. one, installation head 5 is applicable to the inside couple of circuit breaker and is fixed, and lower connecting plate 3 lower extreme screw thread fixed has unable adjustment base 7, unable adjustment base 7 and the inside welded fastening of circuit breaker, with lower connecting plate 3 screw thread fixed, the change of spring body 1 of being convenient for.

The fixed plate 12 that is provided with in three mounting head 11 upper end both sides position, the seting up of being favorable to mid-mounting hole 13 of fixed plate 12, mounting hole 13 has been seted up at two fixed plate 12 middle parts, the setting of mounting hole 13 is favorable to fixation nut 14 to run through fixedly, be favorable to with the screw hole fixed that the circuit breaker is inside seting up, two mounting hole 13 middle part screw thread fixation has fixation nut 14, fixation nut 14's being favorable to running through the screw hole, be favorable to fixing spring and circuit breaker inside, the fixed fixation hook 10 that is provided with in second mounting head 9 upper end, fixation hook 10's being favorable to being fixed with the link in the circuit breaker, be favorable to changing the fixed mode of different kinds.

The fixed collar 6 that is provided with in middle part position of first installation head 5 upper end, the fixed mode that is favorable to changing different kinds is fixed with the inside couple of circuit breaker to the fixed being favorable to of collar 6, the fixed connecting block 4 that is provided with in relative outer side of upper junction plate 2 and lower junction plate 3, the connecting block 4 be favorable to spring and lower junction plate 3 threaded connection, be favorable to the change and the installation of different installation heads, spring body 1 includes basic unit 102, basic unit 102 internal surface fixed is provided with extension layer 101, the extension degree of spring has been improved greatly in the setting of extension layer 101, basic unit 102 external surface fixed is provided with antirust layer 103, antirust layer 103's setting has stronger antirust and anticorrosive function, can effectual protection spring, can increase the life of spring by a wide margin.

Working principle: during the use, with unable adjustment base 7 welded fastening in the circuit breaker, rethread lower connecting plate 3 is with spring body 1 thread tightening in unable adjustment base 7 upper end, select the installation head thread to install on the upper connecting plate 2 of spring body 1 upper end according to the installation part of spring in the circuit breaker, at last with the installation head fixed with the circuit breaker installation part can, when needing to change the spring, only need with the spring thread dismantle can, the extension degree of spring has been improved greatly in the setting of extension layer 101, the setting of rust-resistant layer 103 has stronger rust-resistant anticorrosive function, can effectually protect the spring, can greatly increase the life of spring.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. The utility model provides a spring convenient to change, includes spring body (1), no. two installation head (9) and No. three installation head (11), its characterized in that: an upper connecting plate (2) is fixedly arranged at the upper end of the spring body (1), and a lower connecting plate (3) is fixedly arranged at the lower end of the spring body (1);

The middle part of the spring body (1) is fixedly provided with a parallel ring (8), the upper end of the upper connecting plate (2) is fixedly provided with a first mounting head (5) through threads, and the lower end of the lower connecting plate (3) is fixedly provided with a fixing base (7) through threads.

2. A spring for facilitating replacement as defined in claim 1 wherein: fixing plates (12) are fixedly arranged at two sides of the upper end of the third mounting head (11), and mounting holes (13) are formed in the middle of the two fixing plates (12).

3. A spring for facilitating replacement as set forth in claim 2 wherein: and fixing nuts (14) are fixed at the middle parts of the two mounting holes (13) in a threaded manner.

4. A spring for facilitating replacement as defined in claim 1 wherein: the upper end of the second mounting head (9) is fixedly provided with a fixed hook (10).

5. A spring for facilitating replacement as defined in claim 1 wherein: the middle part of the upper end of the first mounting head (5) is fixedly provided with a mounting ring (6).

6. A spring for facilitating replacement as defined in claim 1 wherein: the connecting blocks (4) are fixedly arranged on the opposite outer sides of the upper connecting plate (2) and the lower connecting plate (3).

7. A spring for facilitating replacement as defined in claim 1 wherein: the spring body (1) comprises a base layer (102), and an extension layer (101) is fixedly arranged on the inner surface of the base layer (102).

8. A spring for facilitating replacement as defined by claim 7 wherein: the outer surface of the base layer (102) is fixedly provided with a rust-proof layer (103).