CN217451834U

CN217451834U - Integrated arc striking piece, frame type circuit breaker and stamping die

Info

Publication number: CN217451834U
Application number: CN202221177182.6U
Authority: CN
Inventors: 马伟; 郑国根
Original assignee: Yueqing Haoyi Electric Appliance Co ltd
Current assignee: Yueqing Haoyi Electric Appliance Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-09-20
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses an integral type striking spare, frame-type circuit breaker and stamping die, the technical scheme of adoption includes: integral type striking spare is applied to frame-type circuit breaker, including integrated into one piece's striking spare main part, striking spare main part include the bottom plate, respectively through bend the shaping in the first curb plate and the second curb plate of bottom plate both sides, interval arrangement's first screw hole, second screw hole about being equipped with at least on the first curb plate, be equipped with first hole, the second hole of stepping down on the second curb plate, the extension has the striking tongue piece on the second curb plate, be equipped with a third screw hole on the bottom plate at least. The advantages are that: the integral type striking piece adopts U-shaped buckle mode and frame-type circuit breaker's arc-extinguishing wall joint, and the support of deuterogamy double-screw bolt and the connection of screw rod can be very firm install on frame-type circuit breaker's arc-extinguishing wall, and install convenience very.

Description

Integrated arc striking piece, frame type circuit breaker and stamping die

Technical Field

The utility model relates to an arc striking spare, frame-type circuit breaker and stamping die.

Background

The frame-type circuit breaker is also called universal circuit breaker, and is a mechanical switch electric appliance which can connect, bear and break the current under the normal circuit condition, and can also connect, bear and break the current for a certain time under the specified abnormal circuit condition. Conventional circuit breakers are used to distribute electrical energy and to protect lines and power equipment from overloads, undervoltages, short circuits, etc. Such circuit breakers typically have a steel frame with all the components mounted within the frame. One of the core components of the frame-type circuit breaker of the arc extinguishing system mainly comprises an arc extinguishing chamber and an arc striking piece. The traditional arc striking piece has the following structure: the chinese utility model patent that patent number is "201911255658.6", the name is "a frame-type circuit breaker striking arc extinguishing device" or patent number is "201520722486. X", the name is "contact system of frame-type circuit breaker" is shown, it is simple sheet structure, and its self can not the snap-on the arc extinguishing wall of frame-type circuit breaker, still need cooperate some other fixed subassemblies for realizing the installation, has the shortcoming of installation poor stability, installation trouble.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an install more convenient, stable integral type striking spare, still provide a frame-type circuit breaker and stamping die simultaneously according to this kind of integral type striking spare.

In order to solve the above problem, the utility model discloses a technical scheme include:

integral type striking spare is applied to frame-type circuit breaker, its characterized in that: including integrated fashioned striking spare main part, striking spare main part include the bottom plate, respectively through bend the shaping in the first curb plate and the second curb plate of bottom plate both sides, interval arrangement's first screw hole, second screw hole about being equipped with at least on the first curb plate, be equipped with first hole, the second hole of stepping down on the second curb plate, the extension has the striking tongue piece on the second curb plate, be equipped with a third screw hole on the bottom plate at least.

The integrated arc striking piece is characterized in that: and a positioning step is formed between the second side plate and the bottom plate through bending.

The integrated arc striking piece is characterized in that: the second side plate is arranged obliquely inwards.

The integrated arc striking piece is characterized in that: and one side of the bottom plate corresponding to the third screw hole is provided with a positioning hole.

The integrated arc striking piece is characterized in that: and the bottom plate is provided with two third screw holes which are arranged at intervals.

A frame-type circuit breaker, includes the arc-extinguishing wall, its characterized in that: install above-mentioned arbitrary one on the arc extinguishing wall integral type arc striking spare, just be equipped with first double-screw bolt, second double-screw bolt on the arc extinguishing wall set up first screw rod in the first double-screw bolt with the first screw jogged joint of arc striking spare main part set up the second screw rod in the second double-screw bolt with the second screw jogged joint of arc striking spare main part set up the third screw rod in the third screw hole of bottom plate and arrange row and be connected.

A stamping die for stamping the integrated arc striking piece of any one of the above items, comprising an upper stamping die and a lower stamping die, characterized in that: an upper positioning step punching core and a lower positioning step punching core are arranged between the upper punching die and the lower punching die, a first inclined plane, a first round angle and a second round angle are arranged on the upper positioning step punching core, and a second inclined plane, a third round angle and a fourth round angle are arranged on the lower positioning step punching core.

The utility model discloses an integral type striking spare, frame-type circuit breaker advantage: the integral type striking piece adopts U-shaped buckle mode and frame-type circuit breaker's arc-extinguishing wall joint, and the support of deuterogamy double-screw bolt and the connection of screw rod can be very firm install on frame-type circuit breaker's arc-extinguishing wall, and install convenience very.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural view of an integrated arc striking member of the present invention;

figure 2 is a schematic view of the installation between the integrated arc striking member and the arc extinguishing wall of the frame type circuit breaker of the present invention;

fig. 3 is a schematic structural view of the stamping die of the present invention;

FIG. 4 is a schematic structural view of the upper positioning step punching core and the lower positioning step punching core of the present invention.

Detailed Description

Example 1:

as shown in fig. 1, the utility model discloses an integral type striking spare is applied to frame-type circuit breaker, include the striking spare main part 1 by the integrated stamping forming of iron sheet. The arc striking piece main body 1 comprises a bottom plate 2, and a first side plate 3 and a second side plate 4 are formed on two sides of the bottom plate 2 through bending. First screw hole 5, the second screw hole 6 of interval arrangement about being equipped with on first curb plate 3 to ensure its stability after the installation. A third screw hole may also be provided as desired. And a first abdicating hole 7 and a second abdicating hole 8 are formed in the second side plate 4 so as to facilitate the penetration operation of a screwdriver. The upper end of the second side plate 4 extends to form an arc striking tongue piece 9, and the arc striking tongue piece 9 extends into an arc extinguishing chamber of the frame type circuit breaker to achieve the purpose of arc striking. At least, be equipped with a third screw hole 10 on the bottom plate 2, through it is connected with female arranging to pack into the screw rod in the third screw hole 10, for the stability of guaranteeing female arranging after connecting, the ideal is in set up two interval arrangement's third screw hole 10 on the bottom plate 2.

Preferably, a positioning step 11 is formed between the second side plate 4 and the bottom plate 2 through bending, and the positioning step 11 is matched with a step on an arc extinguishing wall of the frame type circuit breaker in a positioning manner, so that the stability of the arc striking piece main body 1 after installation is further improved.

Preferably, the second side plate 4 is arranged in an inward inclined manner, so that after the arc piece main body 1 is installed on the arc extinguishing wall of the frame type circuit breaker, the second side plate 4 arranged in an inclined manner can be clamped on the side wall of the arc extinguishing wall of the frame type circuit breaker, and the stability of the arc striking piece main body 1 after installation is further improved.

Preferably, a positioning hole 12 is formed on the side of the bottom plate 2 corresponding to the third screw hole 10. And then set up the positioning salient point of locating fit with locating hole 12 on the arc-extinguishing wall of the frame-type circuit breaker, in order to further improve the stability after installing of the main part 1 of the striking.

Example 2:

as shown in fig. 2, the utility model discloses a frame-type circuit breaker, including arc extinguishing wall 14, arc extinguishing wall 14 is last to install any one of embodiment 1 integral type striking an a, just be equipped with first double-screw bolt 15, second double-screw bolt 16 on the arc extinguishing wall 14, through set up first screw rod 17 in the first double-screw bolt 15 with the first screw hole 5 of striking an main part 1 is connected, through set up second screw rod 18 in the second double-screw bolt 16 with the second screw hole 6 of striking an main part 1 is connected set up third screw rod 19 in the third screw hole 10 of bottom plate 2 and female arranging 20 and be connected.

Example 3:

as shown in fig. 3 to 4, the present invention relates to a stamping die for stamping the integrated arc striking member according to any one of embodiment 1, which comprises an upper stamping die 21 and a lower stamping die 22. An upper positioning step punching core 23 and a lower positioning step punching core 24 which are oppositely arranged are embedded between the upper punching die 21 and the lower punching die 22. The upper positioning step punching core 23 is provided with a first inclined plane 25, a first fillet 26 and a second fillet 27 which are in smooth transition, the first fillet 26 is a convex fillet, and the second fillet 27 is a concave fillet. And a second inclined plane 28, a third fillet 29 and a fourth fillet 30 which are in smooth transition are arranged on the lower positioning step punching core 24, the third fillet 29 is a concave fillet, and the fourth fillet 30 is a convex fillet. Through the cooperation of above-mentioned structure, can one-step stamping forming the inclined plane and the location step of striking an arc spare main part 1. In addition, other 90-degree bending structures of the arc striking piece main body 1 are completed by other stations of the stamping die, and are conventional means and are not described herein again.

The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention are all included within the protection scope of the present invention.

Claims

1. The utility model provides an integral type striking spare, is applied to frame-type circuit breaker, its characterized in that: including integrated fashioned striking spare main part (1), striking spare main part (1) include bottom plate (2), respectively through bend the shaping in first curb plate (3) and second curb plate (4) of bottom plate (2) both sides, interval arrangement's first screw hole (5), second screw hole (6) about being equipped with at least on first curb plate (3), be equipped with first hole (7), the second hole (8) of stepping down on second curb plate (4), second curb plate (4) upper end is extended there is striking tongue piece (9), be equipped with a third screw hole (10) on bottom plate (2) at least.

2. The integrated arc ignition piece of claim 1, wherein: and a positioning step (11) is formed between the second side plate (4) and the bottom plate (2) through bending.

3. The integrated arc ignition piece of claim 1, wherein: the second side plate (4) is arranged in an inward inclined mode.

4. The integrated arc ignition piece of claim 1, wherein: one side of the bottom plate (2) corresponding to the third screw hole (10) is provided with a positioning hole (12).

5. The one-piece ignition element of claim 1, wherein: and the bottom plate (2) is provided with two third screw holes (10) which are arranged at intervals.

6. A frame type circuit breaker comprising an arc extinguishing wall (14), characterized in that: install integral type striking (a) of any one of claims 1-5 on arc-extinguishing wall (14), just be equipped with first double-screw bolt (15), second double-screw bolt (16) on arc-extinguishing wall (14) set up first screw rod (17) in first double-screw bolt (15) with first screw hole (5) of striking main part (1) are connected set up second screw rod (18) in second double-screw bolt (16) with second screw hole (6) of striking main part (1) are connected set up third screw rod (19) in third screw hole (10) of bottom plate (2) and are connected with female arranging (20).

7. A stamping die for stamping the one-piece ignition element according to any one of claims 1 to 5, comprising an upper stamp (21), a lower stamp (22), characterized in that: an upper positioning step punching core (23) and a lower positioning step punching core (24) are arranged between the upper punching die (21) and the lower punching die (22), a first inclined plane (25), a first round angle (26) and a second round angle (27) are arranged on the upper positioning step punching core (23), and a second inclined plane (28), a third round angle (29) and a fourth round angle (30) are arranged on the lower positioning step punching core (24).