CN213691921U

CN213691921U - Self-locking circuit breaker

Info

Publication number: CN213691921U
Application number: CN202023209246.XU
Authority: CN
Inventors: 高士龙; 赵阔
Original assignee: Wenzhou Nuop Electric Technology Co ltd
Current assignee: Wenzhou Nuop Electric Technology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-07-13
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a from locking-type circuit breaker, including organism, heat dissipation opening, cover, handle and semicircle seat, the cover is installed on the top of organism, and the one end on organism surface is equipped with the heat dissipation opening to all be equipped with the dismouting structure on two lateral walls at organism top, the central point on cover top puts the department and is fixed with the machine plate, and one side on machine plate top is equipped with the semicircle seat to the central point on semicircle seat top puts the department and installs the handle, the machine plate top of semicircle seat one side is equipped with two sets of supports, and installs square snap ring on the outer wall between the adjacent support. The utility model discloses not only reduced the handle and bumped and produce the phenomenon of combined floodgate by the mistake of outside personnel, and then improved the security when circuit breaker uses, still reduced external dust and flowed in to the inside of organism through the heat dissipation opening, and then reduced the phenomenon that the internal component received the dust erosion when the circuit breaker used, improved the convenience when circuit breaker uses moreover.

Description

Self-locking circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field specifically is a from locking-type circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying and opening/closing a current under a normal circuit condition, and closing, carrying and opening/closing a current under an abnormal circuit condition within a prescribed time, and has a main function of distributing electric energy to external equipment.

The circuit breakers in the market are various in types and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows.

(1) The existing circuit breaker is inconvenient for locking the handle, so that the circuit breaker is easy to be switched on by mistake by external personnel, and serious potential safety hazards exist;

(2) the existing circuit breaker is inconvenient for blocking the heat dissipation through hole, so that external dust and other substances easily flow into the interior of the machine body through the heat dissipation through hole, and further the corrosion phenomenon is caused to internal elements of the circuit breaker;

(3) the existing circuit breaker is inconvenient to rapidly disassemble and process, so that the circuit breaker is inconvenient to overhaul and maintain and often troubles people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a from locking-type circuit breaker to it is not convenient for carry out the locking to the handle and handles, is not convenient for carry out the separation to the heat dissipation opening and handles and is not convenient for carry out the problem of quick dismantlement processing to provide the circuit breaker among the solution above-mentioned background.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a from locking-type circuit breaker, includes organism, heat dissipation opening, cover, handle and semicircle seat, the cover is installed on the top of organism, and the one end on organism surface is equipped with the heat dissipation opening to all be equipped with the dismouting structure on two lateral walls at organism top, the central point on cover top puts the department and is fixed with the board, and one side on board top is equipped with the semicircle seat to the central point on semicircle seat top puts the department and installs the handle, the board top of semicircle seat one side is equipped with two sets of supports, and installs square snap ring on the outer wall between the adjacent support.

Preferably, the organism surface mounting of heat dissipation opening below has the loading board, and the organism surface of heat dissipation opening both sides all is equipped with settles the frame to adjacent organism surface mounting who settles between the frame has dustproof otter board, so that carry out the separation to the heat dissipation opening and handle.

Preferably, an upper connecting plate is fixed on the outer wall of one side, close to the square clamping ring, of the handle, and a lower connecting plate is fixed on the outer wall of the handle below the upper connecting plate, so that the locking bolt can be arranged and processed.

Preferably, the inside of dismouting structure is equipped with down locating plate, pinhole, top board, locking bolt and thread groove in proper order, all be fixed with bottom plate on two lateral walls at organism top, and all be fixed with the top board on the cover outer wall of bottom plate top to settle the processing to locking bolt.

Preferably, the both ends at locating plate top all are equipped with the thread groove down, and the last locating plate bottom of thread groove top all is equipped with the pinhole, and the top of pinhole extends to the outside of locating plate to locking bolt is installed on the last locating plate top of pinhole position department, and locking bolt's bottom run through the pinhole and with thread groove threaded connection, so that carry out the dismouting processing to the cover.

Preferably, one side of the top of the upper connecting plate is provided with a threaded hole, the bottom end of the threaded hole extends to the outside of the upper connecting plate, a locking bolt is mounted at the top end of the upper connecting plate at the position of the threaded hole, and the bottom end of the locking bolt penetrates through the threaded hole and extends to the outside of the upper connecting plate so as to lock the handle.

Compared with the prior art, the beneficial effects of the utility model are that: the self-locking circuit breaker not only improves the safety of the circuit breaker when in use, reduces the phenomenon that internal elements of the circuit breaker are eroded by dust when in use, but also improves the convenience of the circuit breaker when in use;

(1) the square clamping ring is arranged above the machine plate on one side of the semicircular seat through the support, when the handle rotates, the top end of the square clamping ring can be positioned in a gap formed by the upper connecting plate and the lower connecting plate, the locking bolt is rotated at the moment and is positioned in the threaded hole to rotate and move downwards, and the bottom end of the locking bolt is buckled on the inner side of the square clamping ring, so that the handle is locked conveniently, the phenomenon that the locking bolt is mistakenly touched by external personnel to generate closing can be reduced, and the safety of the breaker in use is improved;

(2) by arranging the arrangement frame, the bearing plate and the dustproof screen plate, the dustproof screen plate is pulled downwards to be positioned on the inner side of the arrangement frame and slide downwards, when the bottom end of the dustproof screen plate is contacted with the top end of the bearing plate, the dustproof screen plate can be used for blocking the heat dissipation through hole so as to reduce the phenomenon that external dust flows into the machine body through the heat dissipation through hole, and therefore the phenomenon that internal elements of the machine body are corroded by the dust when the circuit breaker is used is reduced;

(3) through being provided with down locating plate, pinhole, top board, locking bolt and thread groove, through rotatory locking bolt, make its inside that is located the pinhole shift up and screw out to the outside of thread groove, the top board is the separation attitude with lower locating plate this moment, upwards stimulates the cover, can detach it in the top of organism to overhaul the maintenance processing to organism internal element, thereby improved the convenience when circuit breaker uses.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

FIG. 3 is a schematic view of the sectional view of the detachable structure of the present invention;

fig. 4 is a schematic view of the overlooking and enlarging structure of the upper positioning plate of the present invention.

In the figure: 1. a body; 2. a mounting frame; 3. a carrier plate; 4. a heat dissipation port; 5. a dustproof screen plate; 6. a machine cover; 7. a machine plate; 8. a support; 9. a square snap ring; 10. a handle; 11. a semicircular seat; 12. a disassembly and assembly structure; 1201. a lower positioning plate; 1202. a pin hole; 1203. an upper positioning plate; 1204. locking the bolt; 1205. a thread groove; 13. a locking bolt; 14. a threaded hole; 15. an upper connecting plate; 16. and a lower connecting plate.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a self-locking circuit breaker comprises a machine body 1, a heat dissipation through hole 4, a machine cover 6, a handle 10 and a semicircular seat 11, wherein the machine cover 6 is installed at the top end of the machine body 1, the heat dissipation through hole 4 is formed in one end of the surface of the machine body 1, a bearing plate 3 is fixed on the surface of the machine body 1 below the heat dissipation through hole 4, installation frames 2 are arranged on the surfaces of the machine body 1 on two sides of the heat dissipation through hole 4, and a dustproof mesh plate 5 is installed on the surface of the machine body 1 between every two adjacent installation frames 2 so as to block the heat;

the two outer side walls of the top of the machine body 1 are respectively provided with a dismounting structure 12, the inside of the dismounting structure 12 is sequentially provided with a lower positioning plate 1201, a pin hole 1202, an upper positioning plate 1203, a locking bolt 1204 and a thread groove 1205, the two outer side walls of the top of the machine body 1 are respectively fixed with the lower positioning plate 1201, the outer wall of the cover 6 above the lower positioning plate 1201 is respectively fixed with the upper positioning plate 1203, the two ends of the top of the lower positioning plate 1201 are respectively provided with the thread groove 1205, the bottom of the upper positioning plate 1203 above the thread groove 1205 is respectively provided with the pin hole 1202, the top end of the pin hole 1202 extends to the outside of the upper positioning plate 1203, the top end of the upper positioning plate 1203 at the position of the pin hole 1202 is provided with the locking bolt 1204;

the locking bolt 1204 is rotated to be located inside the pin hole 1202 to move upwards and screwed out of the threaded groove 1205, at the moment, the upper positioning plate 1203 and the lower positioning plate 1201 are in a separated state, and the cover 6 is pulled upwards to be detached from the top of the machine body 1, so that the internal elements of the machine body 1 can be repaired and maintained, and the convenience of using the breaker is improved;

a machine plate 7 is fixed at the center of the top end of the machine cover 6, a semicircular seat 11 is arranged on one side of the top end of the machine plate 7, a handle 10 is installed at the center of the top end of the semicircular seat 11, an upper connecting plate 15 is fixed on the outer wall of one side, close to the square clamping ring 9, of the handle 10, and a lower connecting plate 16 is fixed on the outer wall of the handle 10 below the upper connecting plate 15, so that the locking bolt 13 can be arranged and processed;

a threaded hole 14 is formed in one side of the top of the upper connecting plate 15, the bottom end of the threaded hole 14 extends to the outside of the upper connecting plate 15, a locking bolt 13 is mounted at the top end of the upper connecting plate 15 at the position of the threaded hole 14, and the bottom end of the locking bolt 13 penetrates through the threaded hole 14 and extends to the outside of the upper connecting plate 15 so as to lock the handle 10;

two groups of supports 8 are arranged at the top end of the machine plate 7 on one side of the semicircular seat 11, and a square snap ring 9 is arranged on the outer wall between the adjacent supports 8.

The working principle is as follows: when the breaker is used, firstly, the square snap ring 9 is arranged above the machine plate 7 at one side of the semicircular seat 11 through the support 8, when the handle 10 rotates, the top end of the square snap ring 9 is positioned in a gap formed by the upper connecting plate 15 and the lower connecting plate 16, at the moment, the locking bolt 13 is rotated to be positioned in the threaded hole 14 to rotate and move downwards, so that the bottom end of the locking bolt 13 is buckled at the inner side of the square snap ring 9, the handle 10 is locked, the phenomenon of closing caused by mistaken collision of an external person can be reduced, the safety of the breaker in use is improved, then, the dustproof mesh plate 5 is pulled downwards to be positioned at the inner side of the placement frame 2 to slide downwards, when the bottom end of the dustproof mesh plate 5 is contacted with the top end of the bearing plate 3, the dustproof mesh plate 5 can perform blocking treatment on the heat dissipation through hole 4, so as to reduce external dust from flowing into the machine body 1 through the heat dissipation hole 4, the phenomenon that the internal elements of the machine body 1 are corroded by dust when the breaker is used is reduced, finally, the locking bolt 1204 is rotated to enable the locking bolt to be located inside the pin hole 1202 to move upwards and to be screwed out of the threaded groove 1205, at the moment, the upper positioning plate 1203 and the lower positioning plate 1201 are in a separated state, the cover 6 is pulled upwards, and the cover can be detached from the top of the machine body 1, so that the internal elements of the machine body 1 can be maintained, the convenience of the breaker in use is improved, and the breaker is used.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a from locking-type circuit breaker, includes organism (1), heat dissipation opening (4), cover (6), handle (10) and semicircle seat (11), its characterized in that: cover (6) are installed on the top of organism (1), and the one end on organism (1) surface is equipped with heat dissipation opening (4) to all be equipped with dismouting structure (12) on two lateral walls at organism (1) top, the central point on cover (6) top puts the department and is fixed with aerofoil (7), and one side on aerofoil (7) top is equipped with semicircle seat (11) to the central point on semicircle seat (11) top puts the department and installs handle (10), aerofoil (7) top of semicircle seat (11) one side is equipped with two sets of supports (8), and installs square snap ring (9) on the outer wall between adjacent support (8).

2. The self-locking circuit breaker according to claim 1, characterized in that: organism (1) surface mounting of heat dissipation opening (4) below has loading board (3), and organism (1) surface of heat dissipation opening (4) both sides all is equipped with settles frame (2) to organism (1) surface mounting between adjacent settlement frame (2) has dustproof otter board (5).

3. The self-locking circuit breaker according to claim 1, characterized in that: an upper connecting plate (15) is fixed on the outer wall of one side, close to the square clamping ring (9), of the handle (10), and a lower connecting plate (16) is fixed on the outer wall of the handle (10) below the upper connecting plate (15).

4. The self-locking circuit breaker according to claim 1, characterized in that: the inside of dismouting structure (12) is equipped with down locating plate (1201), pinhole (1202), top locating plate (1203), locking bolt (1204) and thread groove (1205) in proper order, all be fixed with down locating plate (1201) on two lateral walls at organism (1) top, and all be fixed with top locating plate (1203) on cover (6) outer wall of locating plate (1201) top down.

5. The self-locking circuit breaker according to claim 4, characterized in that: both ends at lower locating plate (1201) top all are equipped with thread groove (1205), and last locating plate (1203) bottom above thread groove (1205) all is equipped with pinhole (1202), and the top of pinhole (1202) extends to the outside of supreme locating plate (1203), and last locating plate (1203) top of pinhole (1202) position department installs locking bolt (1204), and the bottom of locking bolt (1204) runs through pinhole (1202) and with thread groove (1205) threaded connection.

6. A self-locking circuit breaker according to claim 3, characterized in that: go up one side at tie plate (15) top and be equipped with screw hole (14), the bottom of screw hole (14) extends to the outside of last tie plate (15), and screw hole (14) position department goes up tie plate (15) top and installs locking bolt (13), and the bottom of locking bolt (13) runs through screw hole (14) and extends to the outside of last tie plate (15).