CN216792388U - Tripping test mechanism - Google Patents
Tripping test mechanism Download PDFInfo
- Publication number
- CN216792388U CN216792388U CN202123436521.6U CN202123436521U CN216792388U CN 216792388 U CN216792388 U CN 216792388U CN 202123436521 U CN202123436521 U CN 202123436521U CN 216792388 U CN216792388 U CN 216792388U
- Authority
- CN
- China
- Prior art keywords
- tripping
- test
- button
- push rod
- test button
- 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.)
- Active
Links
Images
Landscapes
- Breakers (AREA)
Abstract
The utility model relates to a tripping test mechanism which comprises a tripping test assembly arranged in a circuit breaker cover body, wherein the tripping test assembly comprises a test button movably arranged in a button hole of the circuit breaker cover body, a reset spring arranged on the test button and a tripping push rod movably arranged in the button hole and in linkage fit with the test button, one end of the tripping push rod extends out of the button hole and abuts against a circuit breaker draw bar, the tail part of the test button abuts against a clamping groove on the tripping push rod, and a rubber ring clamped in the clamping groove is arranged on the tail part of the test button to form limit fit of the rubber ring and the tripping push rod. The utility model has the advantages of simple structure, stable and reliable performance, sensitive action and convenient assembly.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a tripping test mechanism for a circuit breaker.
Background
The molded case circuit breaker is widely applied to the departments of industry and agriculture, traffic, mines, civil buildings, national defense and the like, plays a great role in power transmission and distribution and motor protection, and is a product with large use amount and wide use range in low-voltage electric appliances. A molded case circuit breaker is a switching device capable of closing, carrying, and opening a current under a normal circuit condition, and closing, carrying, and opening a current under an abnormal circuit condition (including a short-circuit condition) within a prescribed time. The molded case circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur. The existing tripping test mechanism of the molded case circuit breaker is complex in structural design, and has the defects of unreliable performance, insensitive action and inconvenient assembly.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides the tripping test mechanism which is simple in structure, stable and reliable in performance, sensitive in action and convenient and fast to assemble.
In order to achieve the purpose, the utility model adopts a tripping test mechanism which comprises a tripping test component arranged in a circuit breaker cover body, wherein the tripping test component comprises a test button movably arranged in a button hole of the circuit breaker cover body, a reset spring arranged on the test button and a tripping push rod movably arranged in the button hole and in linkage fit with the test button, one end of the tripping push rod extends out of the button hole and abuts against a circuit breaker draw bar, the tail part of the test button abuts against a clamping groove on the tripping push rod, a rubber ring clamped in the clamping groove is arranged on the tail part of the test button, and the limit fit of the rubber ring and the tripping push rod is formed.
The beneficial effect of above-mentioned structure does: the test button drives the draw bar of the circuit breaker to act through the tripping push rod, so that a tripping test of the circuit breaker is realized, the test button is provided with the rubber ring matched with the tripping push rod, the assembly of the test button and the tripping push rod is facilitated, the transmission of the test button and the tripping push rod is more reliable, and the tripping action sensitivity of the tripping test mechanism is improved. Therefore, the tripping test mechanism has the advantages of simple structure, stable and reliable performance, sensitive action and convenient and fast assembly.
Particularly, one end of the tripping push rod is provided with a limiting block extending in the button hole, a guide limiting groove matched with the limiting block is arranged in the button hole, the limiting block is clamped in the guide limiting groove, and the limiting block moves along with the tripping push rod and can slide in the guide limiting groove in a reciprocating manner. The tripping push rod is clamped in the guide limiting groove of the button hole, so that the assembly of the tripping push rod and the breaker cover body is facilitated, and the assembly is more convenient.
Particularly, the afterbody of test button on be provided with the constant head tank, rubber circle block in the constant head tank, and constitute the joint cooperation of test button and rubber circle. The test button and the rubber ring are assembled in a clamping matching mode, so that the rubber ring and the test button are convenient to assemble, and the assembly is more convenient.
Particularly, the test button on correspond reset spring's one end department and be provided with spacing draw-in groove, reset spring's one end block in spacing draw-in groove, the downthehole other end department that corresponds reset spring of button be provided with spacing step, reset spring's the other end conflict on spacing step. Reset spring block is between test button and spacing step to the assembly of test button and spring of being convenient for, it is more convenient to assemble.
Drawings
Fig. 1 is a cross-sectional view of a circuit breaker according to an embodiment of the present invention.
Fig. 2 is a perspective view of an embodiment of the present invention.
Detailed Description
As shown in fig. 1 and 2, an embodiment of the utility model is a tripping test mechanism, which includes a tripping test assembly 20 disposed in a circuit breaker cover 10, where the tripping test assembly 20 includes a test button 21 movably disposed in a button hole 11 of the circuit breaker cover 10, a reset spring 22 disposed on the test button 21, and a tripping push rod 23 movably disposed in the button hole 11 and in linkage fit with the test button 21, one end of the tripping push rod 23 extends out of the button hole 11 and abuts against a circuit breaker draw bar 12, a tail of the test button 21 abuts against a slot 231 on the tripping push rod 23, and a rubber ring 24 engaged with the slot 231 is disposed on the tail of the test button 21, and the rubber ring 24 and the tripping push rod 23 are in limit fit. One end of the tripping push rod 23 is provided with a limit block 232 extending in the button hole 11, a guide limit groove 111 matched with the limit block 232 is arranged in the button hole 11, the limit block 232 is clamped in the guide limit groove 111, and the limit block 232 moves along with the tripping push rod 23 and can slide in the guide limit groove 111 in a reciprocating manner. The tripping push rod is clamped in the guide limiting groove of the button hole, so that the assembly of the tripping push rod and the breaker cover body is facilitated, and the assembly is more convenient. The afterbody of test button 21 on be provided with constant head tank 211, rubber circle 24 block in constant head tank 211, and constitute test button 21 and rubber circle 24's joint cooperation. The test button and the rubber ring are assembled in a clamping matching mode, so that the rubber ring and the test button are convenient to assemble, and the assembly is more convenient. Test button 21 on correspond reset spring 22 one end department be provided with spacing draw-in groove 212, reset spring 22 one end block in spacing draw-in groove 212, button hole 11 in correspond reset spring 22 the other end department be provided with spacing step 112, reset spring 22 the other end conflict on spacing step 112. Reset spring block is between test button and spacing step to the assembly of test button and spring of being convenient for, it is more convenient to assemble.
The test button drives the draw bar of the circuit breaker to act through the tripping push rod, so that a tripping test of the circuit breaker is realized, the test button is provided with the rubber ring matched with the tripping push rod, the assembly of the test button and the tripping push rod is facilitated, the transmission of the test button and the tripping push rod is more reliable, and the tripping action sensitivity of the tripping test mechanism is improved. Therefore, the tripping test mechanism has the advantages of simple structure, stable and reliable performance, sensitive action and convenient and fast assembly.
Claims (4)
1. A tripping test mechanism comprises a tripping test component arranged in a circuit breaker cover body and is characterized in that the tripping test component comprises a test button movably arranged in a button hole of the circuit breaker cover body, a reset spring arranged on the test button and a tripping push rod movably arranged in the button hole and in linkage fit with the test button, one end of the tripping push rod extends out of the button hole and abuts against a circuit breaker draw bar, the tail of the test button abuts against a clamping groove in the tripping push rod, a rubber ring clamped in the clamping groove is arranged on the tail of the test button, and the limiting fit of the rubber ring and the tripping push rod is formed.
2. The trip testing mechanism of claim 1, wherein: one end of the tripping push rod is provided with a limiting block extending in the button hole, a guide limiting groove matched with the limiting block is arranged in the button hole, the limiting block is clamped in the guide limiting groove, and the limiting block moves along with the tripping push rod and can slide in the guide limiting groove in a reciprocating manner.
3. The trip testing mechanism of claim 1 or 2, wherein: the afterbody of test button on be provided with the constant head tank, rubber circle block in the constant head tank, and constitute the joint cooperation of test button and rubber circle.
4. The trip testing mechanism of claim 1 or 2, wherein: the test button on correspond reset spring's one end department and be provided with spacing draw-in groove, reset spring's one end block in spacing draw-in groove, the downthehole other end department that corresponds reset spring of button be provided with spacing step, reset spring's the other end conflict on spacing step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123436521.6U CN216792388U (en) | 2021-12-30 | 2021-12-30 | Tripping test mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123436521.6U CN216792388U (en) | 2021-12-30 | 2021-12-30 | Tripping test mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216792388U true CN216792388U (en) | 2022-06-21 |
Family
ID=82012016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123436521.6U Active CN216792388U (en) | 2021-12-30 | 2021-12-30 | Tripping test mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216792388U (en) |
-
2021
- 2021-12-30 CN CN202123436521.6U patent/CN216792388U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103617930A (en) | Low voltage circuit breaker | |
| CN201966155U (en) | Circuit breaker with reminding function | |
| CN216792388U (en) | Tripping test mechanism | |
| CN101964512A (en) | Electric leakage protector with overvoltage protective device | |
| CN216751196U (en) | Novel structure surge protection device | |
| CN210182309U (en) | Moulded case circuit breaker voltage sampling structure | |
| CN106249095B (en) | Small circuit breaker leakage alarm non-tripping control circuit | |
| CN103546069A (en) | Novel Y-Deltastarting box | |
| CN209896012U (en) | Guide rail type small molded case circuit breaker | |
| CN200941548Y (en) | Low voltage power capacitor combined appliance having internal temp protection of capacitor | |
| CN202585277U (en) | Breaker under-voltage tripper with state indication function | |
| CN203826319U (en) | Plug-in type miniature circuit breaker | |
| CN214956715U (en) | Leakage protection circuit breaker | |
| CN219892121U (en) | Under-voltage release | |
| CN212161738U (en) | Small-sized leakage circuit breaker with closeable leakage protection | |
| CN219163297U (en) | Leakage indication mechanism of leakage circuit breaker | |
| CN211907370U (en) | High-breaking molded case circuit breaker | |
| CN211858563U (en) | Moulded case circuit breaker with anti-lock function | |
| CN216597450U (en) | Intelligent circuit breaker | |
| CN215578395U (en) | Moulded case circuit breaker with safety protection structure | |
| CN220672486U (en) | Low-voltage circuit breaker with warning and protecting functions | |
| CN220456322U (en) | Leakage circuit breaker | |
| CN218957644U (en) | Brake separating spring assembly fixture for circuit breaker mechanism | |
| CN220420518U (en) | Circuit breaker with protect function | |
| CN212230376U (en) | N utmost point area overload protection's integral type electric leakage circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |