Double-breakpoint multi-piece anti-reset breaker moving contact

Abstract

The utility model relates to the technical field of circuit breakers, and discloses a double-breakpoint multi-piece anti-reset circuit breaker moving contact, which comprises a circuit breaker body, a touch rod and an installation adjusting component. When the moving contact of the circuit breaker works, the connecting plate is placed at a proper position, the fixing piece is screwed into the mounting hole of the mounting plate in a penetrating manner to fix the connecting plate, the hand-screwed screw is matched with the threaded sleeve to be unscrewed, the circuit breaker body can be pulled to be matched with the adjusting block to be slidably adjusted on the limiting sleeve, and after the moving contact is adjusted to a proper position, the fixing piece is screwed into the mounting hole to fix the connecting plate. According to the utility model, the position of the circuit breaker body can be accurately adjusted according to the actual condition of a cable or a bus through the characteristic that the circuit breaker body can be finely adjusted up and down, so that the circuit breaker body can be perfectly matched with the cable or the bus, and the service life of the circuit breaker body is prolonged. The precise adaptation can effectively avoid the problems of arc discharge, overheating and the like caused by untight connection, and ensures the stability and the safety of power transmission.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker technical field, concretely is a kind of double-breakpoint multi-piece type anti-resetting circuit breaker moving contact. BACKGROUND

[0002] Circuit breaker is a kind of switch device for distributing electric energy, protecting power supply circuit and motor, it can be closed, carried and interrupted, and can be carried and interrupted under abnormal circuit for a certain time, and circuit breaker moving contact is the execution element of circuit breaker, the closure and separation of moving contact and static contact are used to realize the connection and disconnection of circuit, main contact is usually made of metal material, with good conductivity, for carrying and breaking main circuit current;Auxiliary contact is used to cooperate with main contact to perform additional control function, such as signal output, control relay, etc.

[0003] The applicant believes that:

[0004] When circuit breaker moving contact is running, most of them are directly installed and fixed, and the installed circuit breaker moving contact is not adjustable up and down, which may not be accurately connected with cable or busbar, and such poor adaptation may cause gap at connection part, thereby increasing contact resistance, causing local overheating, reducing the reliability of connection, affecting the stability of power transmission, and thus improvement is needed. UTILITY MODEL CONTENT

[0005] (I) technical problem solved

[0006] In view of the shortcomings of prior art, the utility model provides a kind of double-breakpoint multi-piece type anti-resetting circuit breaker moving contact, with the function of installing and adjusting circuit breaker moving contact, solves the problem that installed circuit breaker moving contact is not adjustable up and down, which may not be accurately connected with cable or busbar, and such poor adaptation may cause gap at connection part, thereby increasing contact resistance, causing local overheating, reducing the reliability of connection, affecting the stability of power transmission.

[0007] (II) technical scheme

[0008] To achieve the above purpose, the utility model provides the following technical scheme: a kind of double-breakpoint multi-piece type anti-resetting circuit breaker moving contact, including circuit breaker body, touch rod and installation adjusting component, the front inside of circuit breaker body is equipped with touch rod cooperation and installation, the back of circuit breaker body is provided with installation adjusting component, the installation adjusting component includes adjusting block, limit block, limit sleeve, connecting plate, mounting plate, mounting hole, threaded sleeve and hand screw rod.

[0009] The adjusting block is welded on both sides of the adjusting block, a limiting sleeve is sleeved outside the adjusting block, a connecting plate is welded on the back of the limiting sleeve, mounting plates are welded on both sides of the connecting plate, mounting holes are formed in the mounting plates, threaded sleeves are connected on both sides of the limiting sleeve, and hand screw rods are screwed in the threaded sleeves.

[0010] Further, the front surface of the adjusting block is welded to the back surface of the circuit breaker body.

[0011] Further, the adjusting block constitutes a sliding structure on the limiting sleeve through the limiting block.

[0012] Further, the upper and lower sides of the circuit breaker body are provided with splicing components, the splicing components include splicing blocks, threaded holes, splicing grooves, threaded splicing barrels and threaded fixing rods.

[0013] Further, splicing blocks are welded on the upper and lower ends of one side of the circuit breaker body, and threaded holes are formed in the splicing blocks.

[0014] Further, splicing grooves are formed in the upper and lower ends of the other side of the circuit breaker body, and threaded splicing barrels are connected through the surface of the circuit breaker body above the splicing grooves.

[0015] Further, threaded fixing rods are screwed in the threaded splicing barrels.

[0016] Compared with the prior art, the double-break multi-piece anti-reset circuit breaker moving contact has the following beneficial effects:

[0017] 1. When the circuit breaker moving contact works, the connecting plate is placed in a suitable position, then the fixing member is screwed into the mounting hole of the mounting plate to fix the connecting plate, and the hand screw rod is loosened by cooperating with the threaded sleeve, so that the circuit breaker body and the adjusting block are pulled to slide on the limiting sleeve for adjustment, after adjustment to a suitable position, the hand screw rod is tightened to fix the circuit breaker body, thereby providing the circuit breaker body with installation and adjustment functions, through the up-down fine adjustment feature, the position of the circuit breaker body can be accurately adjusted according to the actual situation of the cable or busbar, perfect adaptation with the cable or busbar is realized, such precise adaptation can effectively avoid problems such as arc discharge and overheating caused by loose connection, and ensures the stability and safety of power transmission.

[0018] 2、The movable contact of the circuit breaker works, the splicing block on one side of the circuit breaker body is clamped into the splicing groove of another circuit breaker body, and then the threaded fixing rod above the splicing groove is screwed into the threaded hole in the threaded splicing cylinder for fixing, thereby providing the function of splicing and fixing between the circuit breaker bodies, and the splicable circuit breaker bodies allow users to flexibly select circuit breaker bodies of different specifications for splicing combination according to the size and characteristics of actual loads. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a three-dimensional structure schematic diagram of a double-break multi-piece type anti-reset circuit breaker movable contact provided by the embodiment of the present application;

[0020] Figure 2 is an installation and adjustment component structure schematic diagram of the double-break multi-piece type anti-reset circuit breaker movable contact provided by the embodiment of the present application;

[0021] Figure 3 is an enlarged structure schematic diagram of position A in the embodiment of the present application; Figure 1

[0022] Figure 4 is a splicing component structure schematic diagram of the double-break multi-piece type anti-reset circuit breaker movable contact provided by the embodiment of the present application.

[0023] 1, circuit breaker body; 2, touch lever; 3, splicing component; 301, splicing block; 302, threaded hole; 303, splicing groove; 304, threaded splicing cylinder; 305, threaded fixing rod; 4, installation and adjustment component; 401, adjustment block; 402, limiting block; 403, limiting sleeve; 404, connecting plate; 405, mounting plate; 406, mounting hole; 407, threaded sleeve; 408, hand screw rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0025] Please refer to Figures 1 to 4 The present application provides a technical solution: a double-break multi-piece type anti-reset circuit breaker movable contact, comprising a circuit breaker body 1, a touch lever 2 and an installation and adjustment component 4, the front surface of the circuit breaker body 1 is internally and cooperatively provided with the touch lever 2, the back surface of the circuit breaker body 1 is provided with the installation and adjustment component 4, and the upper and lower sides of the circuit breaker body 1 are provided with splicing components 3.

[0026] ​Wherein: when the circuit breaker moving contact works, first, according to the actual load size of the user, the circuit breaker body 1 is spliced through the splicing part 3, and after splicing to a proper number, the circuit breaker body 1 is installed and adjusted to a proper position through the installation and adjustment part 4.

[0027] Please refer to Figure 1 , Figure 2 and Figure 3 , the installation and adjustment part 4 of the double-break multi-piece anti-reset circuit breaker moving contact includes an adjustment block 401, a limiting block 402, a limiting sleeve 403, a connecting plate 404, an installation plate 405, an installation hole 406, a threaded sleeve 407 and a hand screw 408, the two sides of the adjustment block 401 are welded to be connected with the adjustment block 401, the outer side of the adjustment block 401 is sleeved with the limiting sleeve 403, the back of the limiting sleeve 403 is welded to be connected with the connecting plate 404, the two sides of the connecting plate 404 are welded to be connected with the installation plate 405, the inside of the installation plate 405 is provided with the installation hole 406, the two sides of the limiting sleeve 403 are penetrated to be connected with the threaded sleeve 407, the inside of the threaded sleeve 407 is screwed to be connected with the hand screw 408, the front of the adjustment block 401 is welded with the back of the circuit breaker body 1, and the adjustment block 401 forms a sliding structure on the limiting sleeve 403 through the limiting block 402.

[0028] Wherein: when the installation and adjustment part 4 installs and adjusts the circuit breaker body 1, first, the connecting plate 404 is placed in a proper position, second, the fixing part is penetrated and screwed into the installation hole 406 of the installation plate 405 to fix the connecting plate 404, and by unscrewing the hand screw 408 matched with the threaded sleeve 407, the circuit breaker body 1 can be pulled to slide and adjust on the limiting sleeve 403 in cooperation with the adjustment block 401, and after adjusting to a proper position, the hand screw 408 is tightened to fix the circuit breaker body 1, thereby providing the installation and adjustment function for the circuit breaker body 1, and through the up and down fine adjustment characteristics, the position of the circuit breaker body 1 can be accurately adjusted according to the actual situation of the cable or busbar, so as to realize perfect adaptation with the cable or busbar. This precise adaptation can effectively avoid problems such as arc discharge and overheating caused by loose connection, and ensure the stability and safety of power transmission.

[0029] Please refer to Figure 1 and Figure 4 , the splicing part 3 of the double-break multi-piece anti-reset circuit breaker moving contact includes a splicing block 301, a threaded hole 302, a splicing groove 303, a threaded splicing barrel 304 and a threaded fixing rod 305, the upper and lower ends of one side of the circuit breaker body 1 are welded to be connected with the splicing block 301, the inside of the splicing block 301 is provided with the threaded hole 302, the upper and lower ends of the other side of the circuit breaker body 1 are provided with the splicing groove 303, the threaded splicing barrel 304 is penetrated and connected above the surface of the circuit breaker body 1, and the inside of the threaded splicing barrel 304 is screwed to be connected with the threaded fixing rod 305.

[0030] Wherein: in the splicing part 3 to the circuit breaker body 1 splicing work, first the splicing block 301 of the circuit breaker body 1 side is inserted into the splicing slot 303 of the other circuit breaker body 1, then the threaded fixing rod 305 above the splicing slot 303 is screwed into the threaded hole 302 to fix the threaded splicing cylinder 304, thereby providing the function of splicing and fixing between the circuit breaker body 1, the circuit breaker body 1 can be spliced allows users to select different specifications of the circuit breaker body 1 according to the actual load size and characteristics, flexible selection of splicing combination.

[0031] The working principle of the utility model is: when the circuit breaker moving contact works, first according to the actual load size of the user to the splicing block 301 of the circuit breaker body 1 side is inserted into the splicing slot 303 of the other circuit breaker body 1, then the threaded fixing rod 305 above the splicing slot 303 is screwed into the threaded hole 302 to fix the threaded splicing cylinder 304, for the splicing and fixing between the circuit breaker body 1, splice to the appropriate number, then the connecting plate 404 is placed in the appropriate position, the fixing member is penetrated and screwed into the mounting hole 406 of the mounting plate 405 to fix the connecting plate 404, and by loosening the hand screw rod 408 with the threaded sleeve 407, the circuit breaker body 1 can be adjusted by pulling the adjusting block 401 on the limiting sleeve 403, and after adjusting to the appropriate position, the hand screw rod 408 is tightened to fix the circuit breaker body 1, thereby installing and adjusting the circuit breaker body 1, thus completing the working principle and working process of the double-break multi-piece type anti-reset circuit breaker moving contact, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A moving contact of a double-break multi-plate anti-reset circuit breaker, characterized in that, The application relates to a circuit breaker, which comprises a circuit breaker body (1), a touch lever (2) and a mounting adjusting part (4), the touch lever (2) is mounted on the front inner part of the circuit breaker body (1), the mounting adjusting part (4) is arranged on the back of the circuit breaker body (1), the mounting adjusting part (4) comprises an adjusting block (401), a limiting block (402), a limiting sleeve (403), a connecting plate (404), a mounting plate (405), a mounting hole (406), a threaded sleeve (407) and a hand screw rod (408). The adjusting block (401) is welded on the two sides of the adjusting block (401), the limiting sleeve (403) is arranged on the outer side of the adjusting block (401), the connecting plate (404) is welded on the back of the limiting sleeve (403), the mounting plate (405) is welded on the two sides of the connecting plate (404), the mounting hole (406) is arranged in the inner part of the mounting plate (405), the threaded sleeve (407) is connected on the two sides of the limiting sleeve (403), and the hand screw rod (408) is screwed in the inner part of the threaded sleeve (407).

2. A dual-break multi-piece anti-reset circuit breaker moving contact according to claim 1, wherein: The front of the adjusting block (401) is welded with the back of the circuit breaker body (1).

3. A dual-break multi-piece anti-flick double break circuit breaker moving contact according to claim 2, wherein: The adjusting block (401) is slidably arranged on the limiting sleeve (403) through the limiting block (402).

4. The dual-break multi-piece anti-reset circuit breaker moving contact of claim 1, wherein: The circuit breaker body (1) is provided with a splicing part (3) on the upper and lower sides, the splicing part (3) comprises a splicing block (301), a threaded hole (302), a splicing groove (303), a threaded splicing cylinder (304) and a threaded fixing rod (305).

5. A dual-break multi-piece anti-flick circuit breaker moving contact according to claim 4, wherein: The splicing block (301) is welded on the upper and lower ends of one side of the circuit breaker body (1), and the threaded hole (302) is arranged in the inner part of the splicing block (301).

6. A dual-break multi-piece anti-flick circuit breaker moving contact according to claim 5, wherein: The splicing groove (303) is arranged on the upper and lower ends of the other side of the circuit breaker body (1), and the threaded splicing cylinder (304) is connected on the surface of the circuit breaker body (1) above the splicing groove (303).

7. A dual-break multi-piece anti-flick double break circuit breaker moving contact according to claim 6, wherein: The threaded fixing rod (305) is screwed in the inner part of the threaded splicing cylinder (304). The threaded fixing rod (305) is screwed in the inner part of the threaded splicing cylinder (304).

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