CN208208669U - A kind of A.C. contactor - Google Patents
A kind of A.C. contactor Download PDFInfo
- Publication number
- CN208208669U CN208208669U CN201820871523.7U CN201820871523U CN208208669U CN 208208669 U CN208208669 U CN 208208669U CN 201820871523 U CN201820871523 U CN 201820871523U CN 208208669 U CN208208669 U CN 208208669U
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- contact
- moving contact
- auxiliary moving
- auxiliary
- clamping
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Abstract
The utility model relates to a kind of A.C. contactors, including pedestal, electromagnetic system and contact system, contact system includes contact rack, with the active contact of contact rack linkage setting, the main static contact matched with active contact, with the auxiliary moving contact of contact rack linkage setting, the auxiliary static contact matched with auxiliary moving contact, clamping chamber is provided at corresponding auxiliary moving contact on contact rack, assist moving contact setting intracavitary in clamping, and touch spring is provided between auxiliary moving contact and clamping chamber, guide pin there are two being respectively set on the two sides of auxiliary moving contact, clamping groove is formed between two guide pins, it is clamped on the inner wall of chamber and is respectively arranged with the fixture block being fastened in clamping groove, and the guiding surface matched with each guide pin is respectively arranged on the two sides of fixture block, guide pin can slide along guiding surface and constitute auxiliary moving contact and card The cooperation that is slidably connected of block.The utility model has the advantages that structure is simple, stable and reliable for performance, long service life.
Description
Technical field
The utility model relates to contactor technical fields, and in particular to a kind of A.C. contactor.
Background technique
Currently, A.C. contactor be widely used as electric power cut-off and control circuit.It is opened and closed circuit using main contact,
Control instruction is executed with auxiliary contact.Main contact generally only have normal opened contact, and auxiliary contact often have two pairs have it is normally opened and
The contact of normally closed function, small-sized contactor frequently as intermediate relay cooperation main circuit also through using.Existing ac contactor
The unreasonable structural design of the auxiliary contact of device is easy to appear between auxiliary moving contact and auxiliary static contact and contacts insecure feelings
Condition, so that the A.C. contactor haves the defects that performance is unstable, structure is complicated, service life is short.
Summary of the invention
The purpose of the utility model is to overcome the defect of the prior art, provide a kind of structure it is simple, it is stable and reliable for performance,
A.C. contactor with long service life.
To achieve the above object, the utility model uses a kind of A.C. contactor, including pedestal, the electricity being arranged in pedestal
Magnetic system and contact system, the contact system include the contact rack and contact with the linkage setting of the dynamic iron core of electromagnetic system
The auxiliary moving contact of active contact, the main static contact matched with active contact and contact rack linkage setting that frame linkage is arranged,
With the auxiliary static contact that matches of auxiliary moving contact, clamping chamber, institute are provided at corresponding auxiliary moving contact on the contact rack
The auxiliary moving contact setting stated is intracavitary in clamping, and assists being provided with touch spring between moving contact and clamping chamber, and described is auxiliary
It is respectively set on the two sides of power-assist contact there are two guide pin, is formed with clamping groove, the clamping chamber between two guide pins
Inner wall on be respectively arranged with the fixture block being fastened in clamping groove, and be respectively arranged on the two sides of fixture block and each guide pin match
The guiding surface of conjunction, the guide pin, which can be slided and be constituted along guiding surface, assists moving contact and being slidably connected for fixture block to match
It closes.
The beneficial effect of above structure is: the auxiliary moving contact and contact rack of the ac contactor use the cooperation that is slidably connected,
Close a floodgate when, assist moving contact on guide pin can slide along the guiding surface of fixture block, thus realize assist moving contact with it is auxiliary
The mutual CONTACT WITH FRICTION of static contact is helped, the movable contact on moving contact is assisted the dust on the stationary contact assisted on static contact can to rub
It wipes, to improve auxiliary moving contact and assist the reliability of the electrical contact of static contact.To which the A.C. contactor has knot
The advantages of structure is simple, stable and reliable for performance, long service life.
Particularly, connecting terminal, the pedestal are respectively arranged on one end of the auxiliary static contact, main static contact
On be installed with the terminal cover board being pressed on connecting terminal, and be arranged at the screw on terminal cover board in corresponding wiring terminal logical
Hole.Connecting terminal can be pressed in pedestal by terminal cover board, and connecting terminal is not easy to loosen, and terminal cover board and pedestal are using removable
Formula connection is unloaded, consequently facilitating the assembly of connecting terminal and pedestal.
Particularly, it is provided with hook on the side of the terminal cover board, is provided on the pedestal and matches with hook
The card hole of conjunction, hook are fastened on the clamping engagement in card hole and constituting pedestal and terminal cover board.Terminal cover board and pedestal are using card
The mode for connecing cooperation connects, consequently facilitating the assembly of terminal cover board and pedestal, improves the assembly efficiency of the A.C. contactor.
Particularly, the upper surface of the auxiliary moving contact is provided with boss, and the lower end of the touch spring is fastened on
On boss, the clamping is intracavitary to be provided with locating slot, and the upper end of the touch spring contradicts in locating slot.Touch spring
Both ends be installed on respectively auxiliary moving contact and be clamped chamber locating slot between, convenient for the assembly of touch spring, ensure that auxiliary
The connection of contact and contact rack is more reliable.
Detailed description of the invention
Fig. 1 is the utility model embodiment perspective view.
Fig. 2 is the utility model embodiment cross-sectional view.
Fig. 3 is the utility model embodiment internal structure chart.
Fig. 4 is the perspective view of the utility model embodiment contact rack.
Fig. 5 is the perspective view that the utility model embodiment assists moving contact.
Specific embodiment
As shown in Fig. 1~5, the utility model embodiment is a kind of A.C. contactor, including pedestal 10, setting in pedestal 10
Interior electromagnetic system 20 and contact system 30, the contact system 30 include and the linkage setting of the dynamic iron core of electromagnetic system 20
Contact rack 31, link the active contact 32 being arranged, the main static contact 33 and contact that match with active contact 32 with contact rack 31
The auxiliary moving contact 34 of the linkage setting of frame 31, the auxiliary static contact 35 matched with auxiliary moving contact 34, the contact rack 31
Clamping chamber 311 is provided at upper corresponding auxiliary moving contact 34, the setting of auxiliary moving contact 34 is being clamped in chamber 311, and auxiliary
It is provided with touch spring 36 between power-assist contact 34 and clamping chamber 311, is respectively set on the two sides of the auxiliary moving contact 34
There are two guide pin 341, it is formed with clamping groove 342 between two guide pins 341, distinguishes on the inner wall of the clamping chamber 311
It is provided with the fixture block 312 being fastened in clamping groove 342, and is respectively arranged on the two sides of fixture block 312 and matches with each guide pin 341
The guiding surface 313 of conjunction, the guide pin 341 can slide along guiding surface 313 and constitute auxiliary moving contact 34 and fixture block
312 cooperation that is slidably connected.The upper surface of the auxiliary moving contact 34 is provided with boss 343, the touch spring 36
Lower end is fastened on boss 343, and locating slot 314 is provided in the clamping chamber 311, and the upper end of the touch spring 36 is supported
Touching is in locating slot 314.The both ends of touch spring are installed on auxiliary moving contact respectively and are clamped between the locating slot of chamber, convenient for touching
The assembly of head spring, ensure that the connection of auxiliary contact and contact rack is more reliable.
As shown in Figure 1, 2, 3, connecting terminal is respectively arranged on one end of the auxiliary static contact 35, main static contact 33
37, the terminal cover board 11 being pressed on connecting terminal 37 is installed on the pedestal 10, and corresponds to wiring on terminal cover board 11
Through-hole 111 is set at the screw 371 on terminal 37.Connecting terminal can be pressed in pedestal by terminal cover board, and connecting terminal is not easy
It loosens, and terminal cover board and pedestal use detachable connection, consequently facilitating the assembly of connecting terminal and pedestal.The terminal
It is provided with hook 112 on the side of cover board 11, the card hole 101 matched with hook 112, hook are provided on the pedestal 10
112 are fastened in card hole 101 and constitute the clamping engagement of pedestal 10 and terminal cover board 11.Terminal cover board is matched with pedestal using clamping
The mode of conjunction connects, consequently facilitating the assembly of terminal cover board and pedestal, improves the assembly efficiency of the A.C. contactor.
The auxiliary moving contact and contact rack of the ac contactor are using the cooperation that is slidably connected, and when closing a floodgate, assist on moving contact
Guide pin can be slided along the guiding surface of fixture block, thus realize auxiliary moving contact with auxiliary static contact phase mutual friction connect
Touching assists the movable contact on moving contact that can rub off the dust on the stationary contact assisted on static contact, to improve auxiliary
The reliability of the electrical contact of moving contact and auxiliary static contact.To the A.C. contactor have structure it is simple, it is stable and reliable for performance,
The advantages of long service life.
Claims (4)
1. a kind of A.C. contactor, including pedestal, the electromagnetic system and contact system that are arranged in pedestal, it is characterised in that: institute
The contact system stated includes touching with the contact rack of the dynamic iron core of electromagnetic system linkage setting, with the active of contact rack linkage setting
Head, the main static contact matched with active contact are matched with the auxiliary moving contact of contact rack linkage setting, with auxiliary moving contact
Auxiliary static contact, clamping chamber, the auxiliary moving contact setting are provided on the contact rack at corresponding auxiliary moving contact
It is intracavitary being clamped, and assist being provided with touch spring between moving contact and clamping chamber, divide on the two sides of the auxiliary moving contact
It She Zhi not be formed with clamping groove between two guide pins, be respectively arranged on the inner wall of the clamping chamber there are two guide pin
The fixture block being fastened in clamping groove, and the guiding surface matched with each guide pin is respectively arranged on the two sides of fixture block, it is described
Guide pin can along guiding surface slide and constitute auxiliary moving contact and fixture block the cooperation that is slidably connected.
2. A.C. contactor according to claim 1, it is characterised in that: the one of the auxiliary static contact, main static contact
It is respectively arranged with connecting terminal on end, the terminal cover board being pressed on connecting terminal, and terminal cover are installed on the pedestal
Through-hole is set at the screw on plate in corresponding wiring terminal.
3. A.C. contactor according to claim 2, it is characterised in that: be provided with card on the side of the terminal cover board
It hooks, the card hole matched with hook is provided on the pedestal, hook is fastened in card hole and constitutes pedestal and terminal cover board
Clamping engagement.
4. A.C. contactor according to claim 1 or 2, it is characterised in that: the upper surface of the auxiliary moving contact is set
It is equipped with boss, the lower end of the touch spring is fastened on boss, and the clamping is intracavitary to be provided with locating slot, the touching
The upper end of head spring contradicts in locating slot.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820871523.7U CN208208669U (en) | 2018-06-06 | 2018-06-06 | A kind of A.C. contactor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820871523.7U CN208208669U (en) | 2018-06-06 | 2018-06-06 | A kind of A.C. contactor |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208208669U true CN208208669U (en) | 2018-12-07 |
Family
ID=64495936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820871523.7U Active CN208208669U (en) | 2018-06-06 | 2018-06-06 | A kind of A.C. contactor |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208208669U (en) |
-
2018
- 2018-06-06 CN CN201820871523.7U patent/CN208208669U/en active Active
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