CN221008874U - Binding post for circuit breaker - Google Patents
Binding post for circuit breaker Download PDFInfo
- Publication number
- CN221008874U CN221008874U CN202322966848.7U CN202322966848U CN221008874U CN 221008874 U CN221008874 U CN 221008874U CN 202322966848 U CN202322966848 U CN 202322966848U CN 221008874 U CN221008874 U CN 221008874U
- Authority
- CN
- China
- Prior art keywords
- butt joint
- wiring
- fixed contact
- wire frame
- wiring board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 210000001503 joint Anatomy 0.000 claims abstract description 45
- 230000000670 limiting effect Effects 0.000 claims abstract description 16
- 230000003068 static effect Effects 0.000 claims 7
- 230000007246 mechanism Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- Breakers (AREA)
Abstract
The present utility model relates to a connection terminal for a circuit breaker. The utility model aims to provide a wiring terminal for a circuit breaker. The technical scheme includes that the device comprises a fixed contact, a wire frame and a tightening screw assembly, wherein the fixed contact comprises a fixed contact wire connecting part, the fixed contact wire connecting part is vertically bent to form a fixed contact internal connecting part, a fixed contact limiting block is arranged at the front end of the fixed contact wire connecting part, the tightening screw assembly comprises a screw and a butt joint block, the butt joint block is provided with a threaded hole, and the butt joint block comprises a butt joint block mounting part and a butt joint block positioning part; the first butt joint part of the wire frame is arranged above the second butt joint part of the wire frame, and the second side part of the wire frame is provided with a butt joint block limiting opening and a butt joint block butt joint hole. The utility model has the advantages that: the problem that the threaded holes of the wire frame punched with the threaded holes are smooth and blocked is avoided by additionally arranging the butt joint blocks, so that the screwing efficiency of the screws is higher and the screws are more convenient.
Description
Technical Field
The present utility model relates to a connection terminal for a circuit breaker.
Background
The miniature circuit breaker structure comprises an operating mechanism, a tripping mechanism, a contact mechanism, an electromagnetic system and an arc extinguishing device which are arranged in a shell, wherein the contact mechanism is one of the most important components of the circuit breaker, the contact mechanism generally comprises a fixed contact wiring terminal fixedly arranged and a moving contact moving relative to the fixed contact, the current relatively common fixed contact wiring terminal comprises a fixed contact, a wiring frame and a tightening screw, feedback is used by customers, the wiring frame is in a screwing process with the fixed contact, and as the wiring frame is punched and formed, threaded holes are processed, threads between the threaded holes of the processed wiring frame and the tightening screw are easy to slip or blocked, the tightening screw is difficult to screw, so that the contact between the fixed contact and an external cable is not firm and tight enough, and potential safety hazards exist.
Disclosure of utility model
In order to solve the above problems, the technical problem to be solved by the present utility model is to provide a connection terminal for a circuit breaker.
The technical scheme of the wiring terminal for the circuit breaker comprises a fixed contact clamped in a circuit breaker shell, a wiring frame and a tightening screw assembly, wherein the fixed contact comprises a fixed contact wiring part which is vertically bent to form a fixed contact inscription part, and the front end of the fixed contact wiring part is provided with a fixed contact limiting block;
The wire frame comprises a wire frame second butting part, a wire frame first side part, a wire frame wiring part corresponding to the fixed contact wiring part, a wire frame second side part and a wire frame first butting part which are sequentially and vertically bent and formed, wherein the wire frame first butting part is arranged above the wire frame second butting part, and a butting block limiting opening corresponding to the butting block mounting part and a butting block butting hole for positioning the butting block positioning part are formed in the wire frame second side part.
And a wiring part positioning groove corresponding to the butt joint block mounting part is formed in the upper end of the fixed contact wiring part.
The butt joint block installation part, the butt joint block limiting opening and the wiring part positioning groove are square structures.
The lower wiring board comprises a wiring board main body which is contacted with the lower side of the wiring part of the fixed contact, an inner wiring board clamping pin and an outer wiring board clamping pin are arranged below the wiring board main body, a clamping yielding port is arranged on the wiring part of the wiring frame, and the wiring board main body is clamped on the wiring part of the wiring frame.
The wiring board main body is provided with a wiring board butt joint block, and the fixed contact wiring part is provided with a wiring board butt joint port.
And anti-skid lines are arranged below the wiring board main body and the wiring part of the fixed contact.
The wiring board butt joint is arranged on one side of the fixed contact wiring part, which is close to the fixed contact internal joint.
The wiring terminal for the circuit breaker has the advantages that: the arrangement of the butt joint block avoids the problems of sliding wire and clamping of the threaded hole of the wire frame punching threaded hole, so that the screw tightening efficiency is higher, the screw tightening is more convenient, the design of the butt joint block limiting opening and the butt joint block butt joint hole can play a good limiting and anti-rotation role on the butt joint block, and the tightening action is stable and reliable; the lower wiring board is additionally arranged, so that the positioning is accurate, and the upper clamping surface and the lower clamping surface are clamped more firmly after the cable is screwed up.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic view of a structure of a connection terminal for a circuit breaker of the present utility model;
FIG. 2 is an exploded view of the tightening screw assembly of the present utility model;
FIG. 3 is a schematic view of the structure of the wire frame of the present utility model;
FIG. 4 is a schematic view of the structure of the butt joint block of the present utility model;
FIG. 5 is a schematic view of the structure of the stationary contact of the present utility model;
fig. 6 is a schematic view of the structure of the lower wiring board of the present utility model.
Detailed Description
As shown in fig. 1-6, the wiring terminal for the circuit breaker comprises a fixed contact 2 clamped in a circuit breaker shell, a wiring frame 1 and a tightening screw assembly 3, wherein the fixed contact 2 comprises a fixed contact wiring part 21, the fixed contact wiring part 21 is vertically bent to form a fixed contact internal joint part 22, the front end of the fixed contact wiring part 21 is provided with a fixed contact limiting block 23, the tightening screw assembly 3 comprises a screw 5 and a butt joint block 6, the butt joint block 6 is provided with a threaded hole 15 in threaded connection with the screw 5, and the butt joint block 6 comprises a butt joint block mounting part 16 and a butt joint block positioning part 17; the wire frame 1 comprises a wire frame second butting part 9, a wire frame first side part 10, a wire frame wiring part 11 corresponding to the fixed contact wiring part 21, a wire frame second side part 12 and a wire frame first butting part 13 which are sequentially and vertically bent and formed, the wire frame first butting part 13 is arranged above the wire frame second butting part 9, a butting block limiting opening 18 corresponding to the butting block mounting part 16 and a butting block butting hole 19 for positioning the butting block positioning part 17 are formed in the wire frame second side part 12, the butting block 6 is sequentially arranged in the butting block limiting opening 18 and the butting block butting hole 19 from the inner side of the wire frame 1 and then is pre-screwed with the screw 5, when the tightening is needed, the screw 5 is screwed, as the fixed contact 5 is arranged in the circuit breaker shell, the wire frame 1 acts upwards to clamp a cable, the butting block 6 is additionally arranged, the problem of sliding wire and the locking of the threaded hole of the wire frame is avoided, the tightening efficiency of the screw 5 is higher, the butting block limiting opening 18 and the butting block 19 are more convenient, and the butting block 6 can be well designed to have a stable effect of preventing the tightening of the screw 5.
The upper end of the fixed contact wiring part 21 is provided with a wiring part positioning groove 24 corresponding to the butt joint block mounting part 16, so that the limiting effect on the butt joint block 6 is further enhanced, and the tightening process is stable.
The butt joint block installation part 16, the butt joint block limiting opening 18 and the wiring part positioning groove 24 are all square structures, so that shaking is effectively prevented.
Still include lower wiring board 4, lower wiring board 4 include with the wiring board main part 26 that stationary contact wiring portion 21 below contacted, wiring board main part 26 below is equipped with wiring board inside callipers foot 27 and wiring board outside callipers foot 28, be equipped with joint on the terminal frame wiring portion 11 and give way the mouth 30, wiring board main part 26 joint is in on the terminal frame wiring portion 11, lower wiring board 4 simple to operate.
The wiring board main body 26 is provided with a wiring board butt joint block 31, and the fixed contact wiring part 21 is provided with a wiring board butt joint 32, so that the positioning is more accurate, and the clamping of the upper clamping surface and the lower clamping surface after the cable is screwed up is more firm.
The wiring board main body 26 and the fixed contact wiring portion 21 are provided with anti-slip lines 33 at the lower part, so that the contact tightness is further enhanced.
The terminal block interface 32 is disposed on a side of the fixed contact terminal portion 21, which is close to the fixed contact internal connection portion 22, so that the insertion of the cable is facilitated and no interference is generated.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. The utility model provides a binding post for circuit breaker, includes card static contact (2), wire frame (1) and screw tightening subassembly (3) in the circuit breaker casing, static contact (2) are including static contact wiring portion (21), static contact wiring portion (21) are buckled perpendicularly and are formed static contact inscription portion (22), static contact wiring portion (21) front end is equipped with static contact stopper (23), its characterized in that: the screw tightening assembly (3) comprises a screw (5) and a butt joint block (6), the butt joint block (6) is provided with a threaded hole (15) in threaded connection with the screw (5), and the butt joint block (6) comprises a butt joint block mounting part (16) and a butt joint block positioning part (17);
The wire frame (1) comprises a wire frame second butting part (9), a wire frame first side part (10), a wire frame wiring part (11) corresponding to the fixed contact wiring part (21), a wire frame second side part (12) and a wire frame first butting part (13), wherein the wire frame first butting part (13) is arranged above the wire frame second butting part (9), and a butting block limiting opening (18) corresponding to the butting block mounting part (16) and a butting block butting hole (19) for positioning the butting block positioning part (17) are formed in the wire frame second side part (12).
2. The connection terminal for a circuit breaker according to claim 1, wherein: the upper end of the fixed contact wiring part (21) is provided with a wiring part positioning groove (24) corresponding to the butt joint block mounting part (16).
3. The connection terminal for a circuit breaker according to claim 2, wherein: the butt joint block mounting part (16), the butt joint block limiting opening (18) and the wiring part positioning groove (24) are all square structures.
4. The connection terminal for a circuit breaker according to claim 1, wherein: the novel high-voltage power supply circuit is characterized by further comprising a lower wiring board (4), wherein the lower wiring board (4) comprises a wiring board main body (26) which is in contact with the lower side of the fixed contact wiring part (21), an inner wiring board clamping pin (27) and an outer wiring board clamping pin (28) are arranged below the wiring board main body (26), a clamping abdication opening (30) is formed in the wiring frame wiring part (11), and the wiring board main body (26) is clamped on the wiring frame wiring part (11).
5. The connection terminal for a circuit breaker according to claim 4, wherein: the wiring board main body (26) is provided with a wiring board butt joint block (31), and the fixed contact wiring part (21) is provided with a wiring board butt joint opening (32).
6. The connection terminal for a circuit breaker according to claim 4, wherein: and anti-skid lines (33) are arranged below the wiring board main body (26) and the fixed contact wiring part (21).
7. The connection terminal for a circuit breaker according to claim 5, wherein: the wiring board butt joint (32) is arranged on one side of the fixed contact wiring part (21) close to the fixed contact internal joint (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322966848.7U CN221008874U (en) | 2023-11-03 | 2023-11-03 | Binding post for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322966848.7U CN221008874U (en) | 2023-11-03 | 2023-11-03 | Binding post for circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221008874U true CN221008874U (en) | 2024-05-24 |
Family
ID=91127588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322966848.7U Active CN221008874U (en) | 2023-11-03 | 2023-11-03 | Binding post for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221008874U (en) |
-
2023
- 2023-11-03 CN CN202322966848.7U patent/CN221008874U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |