CN218631884U - Moving contact assembly - Google Patents
Moving contact assembly Download PDFInfo
- Publication number
- CN218631884U CN218631884U CN202223218382.4U CN202223218382U CN218631884U CN 218631884 U CN218631884 U CN 218631884U CN 202223218382 U CN202223218382 U CN 202223218382U CN 218631884 U CN218631884 U CN 218631884U
- Authority
- CN
- China
- Prior art keywords
- contact
- spring
- moving
- pivot
- contact frame
- 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
- Contacts (AREA)
Abstract
The utility model relates to a moving contact subassembly, set up the moving contact group on the contact frame respectively including contact frame, multiunit, moving contact group including two moving contacts that the interval set up side by side, set up pivot, the setting support in the pivot of one of two moving contacts, two moving contact one end have perpendicular spacing portion respectively, be provided with the location axle between the perpendicular spacing portion of two moving contacts, and be provided with two pressure springs between the perpendicular spacing portion of two moving contacts and the contact frame, the contact frame in the both ends punishment that corresponds the pivot do not be provided with a U type constant head tank, two U type constant head tank parallel arrangement are in perpendicular spacing portion both sides, the both ends block of pivot in U type constant head tank, and constitute pivot and contact frame's joint cooperation. The utility model has the advantages of simple structure, stable and reliable performance, convenient assembly.
Description
Technical Field
The utility model relates to a circuit breaker technical field, concretely relates to moving contact subassembly for on moulded case circuit breaker.
Background
The plastic case circuit breaker is a commonly used protective electric appliance, has the functions of switching on and off load current and protecting overload and short circuit of the load current, and is widely applied to overload and short circuit protection of various power distribution systems and motors. Moulded case circuit breaker includes casing, operating device, with operating device linkage complex movable contact subassembly, static contact, arc extinguishing system, the structural design of current moulded case circuit breaker's movable contact subassembly is comparatively complicated, the reliability is lower, and just need pack into the contact frame with the moving contact with the help of supplementary mounting tool in, the assembly is comparatively loaded down with trivial details, wastes time and energy, assembly efficiency is lower.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance are reliable, the convenient movable contact subassembly of assembly.
For realizing the above-mentioned purpose, the utility model discloses a moving contact subassembly, set up the moving contact group on the contact frame respectively including contact frame, multiunit, moving contact group including two moving contacts that the interval set up side by side, set up pivot, the support of setting in the pivot of one of two moving contacts, two moving contact one ends perpendicular spacing portion has respectively, be provided with the location axle between the perpendicular spacing portion of two moving contacts, and be provided with two pressure springs between the perpendicular spacing portion of two moving contacts and the contact frame, the contact frame in correspond the both ends punishment of pivot and do not be provided with a U type constant head tank, two U type constant head tank parallel arrangement are in perpendicular spacing portion both sides, the both ends block of pivot in U type constant head tank, and constitute pivot and contact frame's joint cooperation.
The structure has the advantages that the two moving contacts are clamped in the U-shaped positioning grooves of the contact frame through the positioning shaft, so that the modular assembly of the moving contact group and the contact frame can be realized, the two pressure springs are clamped between the contact frame and the vertical limiting parts of the two moving contacts, the two pressure springs are clamped in the contact frame firstly during assembly, the two pressure springs are compressed, the positioning shaft is clamped in the U-shaped positioning grooves, the positioning shaft can be tightly pressed in the U-shaped positioning grooves through the two pressure springs, the assembly of the two moving contacts and the contact frame can be completed, and the assembly is more convenient. Therefore, the movable contact assembly has the advantages of simple structure, stable and reliable performance and convenient and fast assembly.
Particularly, the vertical limiting parts of the two moving contacts are respectively provided with a spring seat, the spring seats are provided with bosses matched with a pressure spring, one end of the pressure spring is clamped on the bosses, the contact frame is internally provided with a positioning groove matched with the pressure spring, and the other end of the pressure spring is clamped in the positioning groove. The pressure spring block is between spring holder and contact frame to the assembly of pressure spring and spring holder, pressure spring is convenient, and the assembly is more convenient.
Particularly, the spring seat is U-shaped, U-shaped clamping grooves matched with the positioning shaft are respectively formed in two ends of the spring seat, and the U-shaped clamping grooves are clamped on the positioning shaft and form clamping matching of the spring seat and the positioning shaft. Be provided with the epaxial U type draw-in groove of block location on the spring holder to the assembly of spring holder and location axle of being convenient for, the assembly is more convenient.
Particularly, a supporting sheet matched with the pressure spring is vertically arranged on the spring seat, and the supporting sheet is attached to one side of the pressure spring. The supporting sheet can limit the pressure spring, assembly of the spring and the spring seat can be guaranteed, assembly of the spring and the spring seat is facilitated, and assembly is more convenient.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is an exploded view of an embodiment of the present invention.
Fig. 3 is a cross-sectional view of an embodiment of the present invention.
Fig. 4 is a perspective view of the moving contact according to the embodiment of the present invention.
Fig. 5 is a perspective view of a spring seat according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1-5, an embodiment of the present invention is a movable contact assembly, including a contact frame 10, a plurality of movable contact sets 20 respectively disposed on the contact frame 10, the movable contact set 20 includes two movable contacts 21 disposed at an interval side by side, a rotating shaft 22 disposed on one end of the two movable contacts 21, and a bracket 23 disposed on the rotating shaft 22, one end of the two movable contacts 21 has a vertical limiting portion 211, a positioning shaft 24 is disposed between the vertical limiting portions 211 of the two movable contacts 21, and two pressure springs 25 are disposed between the vertical limiting portions 211 of the two movable contacts 21 and the contact frame 10, the two ends of the corresponding rotating shaft 22 in the contact frame 10 are respectively provided with a U-shaped positioning groove 101, the two U-shaped positioning grooves 101 are disposed in parallel on two sides of the vertical limiting portion 211, and the two ends of the rotating shaft 22 are engaged in the U-shaped positioning grooves 101, and form a joint between the rotating shaft 22 and the contact frame 10.
As shown in fig. 2, 3 and 5, the vertical limiting portions 211 of the two movable contacts 21 are respectively provided with a spring seat 26, the spring seat 26 is provided with a boss 261 matched with the compression spring 25, one end of the compression spring 25 is clamped on the boss 261, the contact holder 10 is provided with a positioning groove 102 matched with the compression spring 25, and the other end of the compression spring 25 is clamped in the positioning groove 102. The pressure spring block is between spring holder and contact frame to the assembly of pressure spring and spring holder, pressure spring is convenient, and the assembly is more convenient. Spring holder 26 be the U type, be provided with respectively on the both ends of spring holder 26 with location axle 24 matched with U type draw-in groove 262, U type draw-in groove 262 the block on location axle 24, and constitute spring holder 26 and location axle 24's joint cooperation. Be provided with the epaxial U type draw-in groove of block location on the spring holder to the assembly of spring holder and location axle of being convenient for, the assembly is more convenient. A supporting piece 263 matched with the pressure spring 25 is vertically arranged on the spring seat 26, and the supporting piece 263 is attached to one side of the pressure spring 25. The supporting sheet can limit the pressure spring, assembly of the spring and the spring seat can be guaranteed, assembly of the spring and the spring seat is facilitated, and assembly is more convenient.
Two moving contacts pass through in the U type constant head tank of location axle block contact holder to can realize the movable contact group with the modular assembly of contact holder, two pressure spring blocks are between the perpendicular spacing portion of contact holder and two moving contacts, when the assembly, earlier in two pressure spring block contact holders, compress two pressure springs, will fix a position the axle block again in U type constant head tank, thereby two pressure springs can compress tightly the location axle in U type constant head tank, can accomplish the assembly of two moving contacts and contact holder, it is more convenient to assemble. Therefore, the movable contact assembly has the advantages of simple structure, stable and reliable performance and convenient and fast assembly.
Claims (4)
1. The utility model provides a moving contact subassembly, includes that contact frame, multiunit set up the moving contact group on the contact frame respectively, its characterized in that: the movable contact group include two moving contacts that the interval set up side by side, set up pivot, the setting in two moving contacts one end and serve at the epaxial support of commentaries on classics, two moving contact one end perpendicular spacing portions have respectively, be provided with the location axle between the perpendicular spacing portion of two moving contacts, and be provided with two pressure springs between the perpendicular spacing portion of two moving contacts and the contact frame, the contact frame in correspond the both ends punishment of pivot and do not be provided with a U type constant head tank, two U type constant head tank parallel arrangement are in perpendicular spacing portion both sides, the both ends block of pivot in U type constant head tank, and constitute pivot and contact frame's joint cooperation.
2. A movable contact assembly as claimed in claim 1, wherein: the vertical limiting parts of the two moving contacts are respectively provided with a spring seat, the spring seats are provided with bosses matched with a pressure spring, one end of the pressure spring is clamped on the bosses, the contact carrier is internally provided with a positioning groove matched with the pressure spring, and the other end of the pressure spring is clamped in the positioning groove.
3. The movable contact assembly of claim 2, wherein: the spring holder be the U type, be provided with respectively on the both ends of spring holder with location axle matched with U type draw-in groove, U type draw-in groove block on the location is epaxial, and constitute the joint cooperation of spring holder and location axle.
4. The movable contact assembly of claim 3 wherein: the spring seat is vertically provided with a supporting sheet matched with the pressure spring, and the supporting sheet is attached to one side of the pressure spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223218382.4U CN218631884U (en) | 2022-12-02 | 2022-12-02 | Moving contact assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223218382.4U CN218631884U (en) | 2022-12-02 | 2022-12-02 | Moving contact assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218631884U true CN218631884U (en) | 2023-03-14 |
Family
ID=85451620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223218382.4U Active CN218631884U (en) | 2022-12-02 | 2022-12-02 | Moving contact assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218631884U (en) |
-
2022
- 2022-12-02 CN CN202223218382.4U patent/CN218631884U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218631884U (en) | Moving contact assembly | |
| CN209880470U (en) | Boost station isolating switch with switch blade in place | |
| CN115498369B (en) | Conductive connecting device | |
| CN101783269A (en) | Repulsive clamping static contact structure of low-voltage circuit breaker | |
| CN114335832A (en) | High-rate lithium battery pack | |
| CN110676643B (en) | Electric power connecting plug | |
| CN210350225U (en) | Three-phase tolerance quick-insertion product | |
| CN211045279U (en) | Movable contact group module applied to electric tool switch | |
| CN215496538U (en) | Insulating support assembly of vacuum load switch | |
| CN220672414U (en) | Embedded high-power switch | |
| CN218677455U (en) | Battery base with support frame and stable structure | |
| CN215183702U (en) | Locking device of vacuum circuit breaker | |
| CN212411914U (en) | Five-way switch | |
| CN212209272U (en) | Switch device and electric tool | |
| CN219626520U (en) | DC seesaw switch | |
| CN221899965U (en) | Novel high-voltage fuse base | |
| CN219534924U (en) | Copper bar fixing device, BDU and battery pack | |
| CN216488939U (en) | Carbon brush assembly convenient to assemble | |
| CN216793545U (en) | Contact system of isolating switch | |
| CN218169394U (en) | Be applied to battery tab and cut and shaping all-in-one of buckling | |
| CN220585518U (en) | Sawtooth type protective pressing plate | |
| CN217387057U (en) | Circuit breaker contact system | |
| CN216793584U (en) | Tripping mechanism of molded case circuit breaker | |
| CN218730461U (en) | Pressure spring type switch cabinet contact assembly | |
| CN214012860U (en) | Contact system and moulded case circuit breaker with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |