CN220821435U - Small-sized breaker shell sealing structure - Google Patents

Abstract

The utility model discloses a small-sized breaker shell sealing structure, which comprises a breaker shell, wherein the breaker shell comprises a left shell and a right shell, a sealing mechanism is clamped and embedded between the left shell and the right shell, clamping convex strips are arranged at the edges of openings of corresponding ends of the left shell and the right shell, the sealing mechanism comprises a first sealing strip, a second sealing strip and a third sealing strip, clamping grooves matched with the clamping convex strips are formed in the surfaces of two sides of the first sealing strip, the second sealing strip and the third sealing strip, and the clamping convex strips are clamped and embedded in the clamping grooves. According to the utility model, the overall tightness of the circuit breaker shell is improved through the structure, dust is prevented from entering the circuit breaker from a gap between the left shell and the right shell, the influence on the use of the circuit breaker is avoided, the normal use of the circuit breaker is ensured, and the service life of the circuit breaker is prolonged.

Description

Small-sized breaker shell sealing structure

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a small circuit breaker shell sealing structure.

Background

A circuit breaker (english name: circuit-breaker) refers to a switching device capable of closing, carrying and breaking a current under normal circuit conditions, and capable of closing, carrying and breaking a current under abnormal circuit conditions (including short circuit conditions) for a prescribed period of time. The circuit breaker can be used for distributing electric energy, starting the asynchronous motor infrequently, protecting a power line, the motor and the like, and automatically cutting off the circuit when serious overload or short circuit, undervoltage and other faults occur, and the functions of the circuit breaker are equivalent to the combination of a fuse type switch, an over-under-heating relay and the like. And the parts are not required to be changed after breaking the fault current. Currently, a wide range of applications are available.

The existing miniature circuit breaker shell is formed by combining a left shell and a right shell, a gap is formed between the left shell and the right shell, but a sealing mechanism is not arranged between the left shell and the right shell of the existing circuit breaker, and the circuit breaker shell is made of plastic materials generally, so that the circuit breaker shell can be aged after long-time use or when being used in special occasions, the gap at the joint between the left shell and the right shell is enlarged, dust is easily introduced into the gap, normal use of the circuit breaker is affected, and the service life of the circuit breaker is shortened.

Disclosure of utility model

The utility model aims to provide a small-sized breaker shell sealing structure so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a miniature circuit breaker casing seal structure, includes the circuit breaker casing, the circuit breaker casing includes left casing and right casing, inlay card is equipped with sealing mechanism between left casing and the right casing, the corresponding end opening edge of left casing and right casing all is equipped with inlay card sand grip, sealing mechanism includes first sealing strip, second sealing strip and third sealing strip, first sealing strip, second sealing strip and third sealing strip both sides surface all seted up with inlay card recess that inlay card sand grip cooperation was used, inlay card sand grip card is embedded in the inlay card recess.

Preferably, a first screw hole group is arranged in the left shell, and positioning columns are arranged on the surface of the first screw hole group.

Preferably, a second screw hole group is arranged in the right shell, and positioning hole grooves are formed in the surfaces of the second screw hole group.

Preferably, a guiding screw hole is formed in one side in the left shell, and a clamping groove is formed in one end surface of the guiding screw hole.

Preferably, a guide post is arranged on one side in the right shell, and a buckle is arranged on one end surface of the guide post.

Advantageous effects

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

Through being equipped with sealing mechanism between left casing and right casing for the leakproofness of junction between left casing and the right casing can be guaranteed effectively when the circuit breaker casing is used, avoid long-time use back left casing and right between the casing gap grow, lead to easily getting into the dust from the gap, and then guaranteed the circuit breaker and can long-time normal operating, and improved the life of circuit breaker body, and improved the holistic insulativity of circuit breaker casing again.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 3 is a schematic view of a seal mechanism according to the present utility model;

FIG. 4 is a schematic view of the left housing structure of the present utility model;

FIG. 5 is a schematic view of the right housing structure of the present utility model;

The correspondence between the reference numerals and the component names in the drawings is as follows:

1. A circuit breaker housing; 2. a left housing; 3. a right housing; 4. a sealing mechanism; 5. clamping and embedding convex strips; 6. a first sealing strip; 7. a second sealing strip; 8. a third sealing strip; 9. a clamping groove; 10. a first screw hole group; 11. positioning columns; 12. a second screw hole group; 13. positioning hole slots; 14. a guide screw hole; 15. a clamping groove; 16. a guide post; 17. and (5) a buckle.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are 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.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

1-5, Which are schematic structural views of a sealing structure of a miniature circuit breaker housing according to a preferred embodiment of the present utility model;

In this embodiment, including circuit breaker casing 1, circuit breaker casing 1 includes left casing 2 and right casing 3, inlay card is equipped with sealing mechanism 4 between left casing 2 and the right casing 3, left side casing 2 with right casing 3 will sealing mechanism 4 centre gripping is in the centre to closely laminate, sealing mechanism 4 adopts hard rubber insulation material, left side casing 2 and right casing 3 corresponding end opening edge all are equipped with inlay card sand grip 5, sealing mechanism 4 includes first sealing strip 6, second sealing strip 7 and third sealing strip 8, inlay card recess 9 that inlay card sand grip 5 cooperation was used has all been seted up with the both sides surface of first sealing strip 6, second sealing strip 7 and third sealing strip 8, inlay card sand grip 5 inlay card is in inlay card recess 9, inlay card sand grip 5 with inlay card recess 9 in, inlay card sand grip 5 closely laminate, and then play the sealed effect.

In this embodiment, a first screw hole set 10 is disposed in the left housing 2, and positioning posts 11 are disposed on the surface of the first screw hole set 10. The right shell 3 is internally provided with a second screw hole group 12, the surface of the second screw hole group 12 is provided with a positioning hole groove 13, and the positioning column is matched with the positioning hole groove to play a role in auxiliary positioning. A guiding screw hole 14 is formed in one side in the left shell 2, and a clamping groove 15 is formed in one end surface of the guiding screw hole 14. One side is equipped with guide post 16 in the right casing 3, guide post 16 one end surface is equipped with buckle 17, and buckle 17 card embedding draw-in groove 15 plays spacing effect. Through guide post 16 and direction screw 14, play the guide effect to left casing 2 and right casing 3 when the installation for the installation is simple and convenient more.

The installation mode, the connection mode or the setting mode of the small-sized breaker shell sealing structure are common mechanical modes, and the small-sized breaker shell sealing structure can be implemented as long as the beneficial effects can be achieved.

The technology of the present utility model, which is not described in detail, is well known in the art, and the present utility model can be conveniently implemented by those skilled in the art on the basis of the present specification, and what is shown in the accompanying drawings is a part of the present specification.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims (5)

1. The utility model provides a miniature circuit breaker casing seal structure, includes circuit breaker casing (1), circuit breaker casing (1) include left casing (2) and right casing (3), its characterized in that: the sealing mechanism is characterized in that a sealing mechanism (4) is arranged between the left shell (2) and the right shell (3) in a clamping mode, clamping convex strips (5) are arranged at edges of openings of the corresponding ends of the left shell (2) and the right shell (3), the sealing mechanism (4) comprises a first sealing strip (6), a second sealing strip (7) and a third sealing strip (8), clamping grooves (9) matched with the clamping convex strips (5) are formed in two side surfaces of the first sealing strip (6), the second sealing strip (7) and the third sealing strip (8), and the clamping convex strips (5) are clamped in the clamping grooves (9).

2. The miniature circuit breaker housing seal arrangement of claim 1, wherein: a first screw hole group (10) is arranged in the left shell (2), and positioning columns (11) are arranged on the surface of the first screw hole group (10).

3. The miniature circuit breaker housing seal arrangement of claim 1, wherein: a second screw hole group (12) is arranged in the right shell (3), and positioning hole grooves (13) are formed in the surface of the second screw hole group (12).

4. The miniature circuit breaker housing seal arrangement of claim 1, wherein: one side is equipped with direction screw (14) in left casing (2), draw-in groove (15) have been seted up to direction screw (14) one end surface.

5. The miniature circuit breaker housing seal arrangement of claim 1, wherein: one side is equipped with guide post (16) in right casing (3), guide post (16) one end surface is equipped with buckle (17).