CN213531317U - Welding device of moving contact - Google Patents

Abstract

The utility model discloses a welding device of a moving contact, which comprises an insulating box body, wherein the bottom of the insulating box body is provided with a bottom plate, the bottom of the insulating box body is provided with a top plate, two sides of the insulating box body are respectively provided with a moving contact pressing port and a contact pressing port, an electrode seat is arranged in the middle of the upper surface of the bottom plate, a lower electrode is arranged above the electrode seat, adjusting ends are arranged above the moving contact pressing port, the contact pressing port and the lower electrode, the welding can be carried out without being held by hands by the lower electrode and the upper electrode, and the scalding caused by the mistaken touch of workers in overlong welding can be avoided by the insulating box body, through the heat insulating board that sets up and thermal-insulated board of placing, can prevent that insulating box body from conducting heat, through the pressing plate and the regulation end that set up, moving contact and contact can be better centre gripping.

Description

Welding device of moving contact

Technical Field

The utility model relates to a moving contact technical field specifically is a welding set of moving contact.

Background

In international and domestic markets, the moving contact structure of most contactors adopts a flat plate shape or a strip shape, a double-breakpoint and a direct-acting type, and the closing and the opening of a contact are completed through the up-and-down movement of the moving contact; the structure has flexible action, and has strong advantages of high reliability, good arc extinguishing performance, high connection and disconnection capacity and the like under the condition of high operating frequency, thereby being generally applied.

Traditional moving contact welding process adopts the manual electric welding pen of holding to weld more, nevertheless because the contact slides easily in welding process to lead to welded quality to reduce, and the high temperature that produces in the welding process causes staff's scald easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a welding set of moving contact to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a welding device of a moving contact comprises an insulating box body, wherein a bottom plate is arranged at the bottom of the insulating box body, a top plate is arranged at the bottom of the insulating box body, a moving contact pressing port and a contact pressing port are respectively arranged at two sides of the insulating box body, an electrode holder is arranged in the middle of the upper surface of the bottom plate, a lower electrode is arranged above the electrode holder, adjusting ends are respectively arranged above the moving contact pressing port, the contact pressing port and the lower electrode, an upper electrode is arranged above the lower electrode, the upper electrode is fixedly connected with the bottom of the adjusting end, the adjusting end above the upper electrode is in threaded connection with the top plate, pressing plates are respectively arranged above the moving contact pressing port and the contact pressing port, the pressing plates are fixedly connected with the bottom of the adjusting ends, and the adjusting ends above the moving contact pressing port and the contact pressing port penetrate through a fixed box, the bottom that the mouth was pressed to the moving contact is provided with the heat insulating board, the inside that the mouth was pressed to the contact is provided with thermal-insulated board of placing, thermal-insulated one side of placing the board has seted up the contact entry, one side of insulating box body is provided with the viewing aperture.

As a further aspect of the present invention: the adjusting end comprises an adjusting button, a threaded rod and a fixed block, the adjusting button is located at the top of the insulating box body, the moving contact pressing port and the threaded rod at the top of the contact pressing port penetrate through the fixed box and are in threaded connection with the upper end and the lower end of the fixed box, a rotating shaft is arranged at the bottom of the threaded rod, and the rotating shaft is rotatably arranged inside the fixed block.

As a further aspect of the present invention: the length of the pressing plate is equal to that of the moving contact pressing port and the contact pressing port.

As a further aspect of the present invention: the internal structure of the adjusting end is made of insulating materials.

As a further aspect of the present invention: the moving contact presses the inside threaded rod of mouthful and keeps away from the heat insulating board, the contact presses the inside pressing plate of mouthful and keeps away from thermal-insulated board of placing.

As a further aspect of the present invention: the heat insulation placing plate is a U-shaped plate with two sides provided with blocking, and the U-shaped plate is communicated with a contact inlet on one side of the contact pressing opening.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the bottom electrode and the top electrode that set up, can weld under the condition that need not to hand, through the insulating box body that sets up, can avoid welding overlength in the staff mistake touch cause the scald, through the heat insulating board that sets up and thermal-insulated board of placing, can prevent insulating box body heat conduction, through the pressing plate and the regulation end that set up, can better centre gripping moving contact and contact.

2. Through the electrode holder that sets up, can prevent that insulating box body from leading electrically heated, through the threaded rod that sets up, the inside rotation that the pivot of threaded rod bottom was located the fixed block when rotating can make the threaded rod rotate and realize steady lift.

3. The mouth is pressed to the contact through setting up, and the contact that can adapt to different length stretches into the inside of insulating box body and welds, places the board through the thermal-insulated U-shaped board that is equipped with the hindrance for both sides that sets up, can prevent that the contact from sliding.

Drawings

Fig. 1 is a schematic structural view of a welding device of a movable contact;

fig. 2 is a schematic view of a main view of an internal structure of a welding device for a movable contact;

fig. 3 is a schematic structural view of a contact pressing opening of a main view in a welding device of a moving contact;

fig. 4 is a front view of an internal structure of a welding device of a movable contact;

fig. 5 is a schematic structural diagram of a side view of a welding device of a movable contact.

In the figure: 1. an adjustment end; 2. a top plate; 3. a viewing port; 4. a pressing plate; 5. a moving contact pressing port; 6. a contact piece pressing port; 7. a heat insulating placement plate; 8. an insulating case; 9. a lower electrode; 10. a base plate; 11. an electrode holder; 12. a heat insulation plate; 13. a fixed block; 14. a threaded rod; 15. An adjusting knob; 16. a fixing box; 17. and an upper electrode.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only the present invention

Referring to fig. 1-5, in an embodiment of the present invention, a moving contact welding device includes an insulating box 8, which can prevent a worker from being scalded due to accidental touch during welding over-long, a bottom plate 10 is disposed at the bottom of the insulating box 8, a top plate 2 is disposed at the bottom of the insulating box 8, a moving contact pressing port 5 and a contact pressing port 6 are disposed at two sides of the insulating box 8, an electrode holder 11 is disposed at the middle of the upper surface of the bottom plate 10, which can prevent the insulating box 8 from generating heat due to conduction, a lower electrode 9 is disposed above the electrode holder 11, an adjusting terminal 1 is disposed above the moving contact pressing port 5, the contact pressing port 6 and the lower electrode 9, an upper electrode 17 is disposed above the lower electrode 9, which can be welded without being held by hand, the upper electrode 17 is fixedly connected to the bottom of the adjusting terminal 1, the adjusting terminal 1 above the upper electrode 17 is in threaded, the top that mouthful 6 was pressed to mouth 5 and contact were pressed to the moving contact all is provided with pressing panel 4, pressing panel 4 and the bottom fixed connection who adjusts end 1, can centre gripping moving contact and contact better, the moving contact is pressed mouthful 5 and is pressed the regulation end 1 of mouthful 6 top with the contact and run through fixed box 16, the bottom that mouthful 5 was pressed to the moving contact is provided with heat insulating board 12, the contact is pressed the inside of mouthful 6 and is provided with thermal-insulated board 7 of placing, can prevent 8 heat conduction of insulating box body, thermal-insulated one side of placing board 7 has seted up the contact entry, one side of insulating box body 8 is provided with viewing aperture 3.

Preferably, regulation end 1 includes adjusting knob 15, threaded rod 14 and fixed block 13, adjusting knob 15 is located the top of insulating box body 8, the moving contact is pressed mouthful 5 and contact and is pressed the threaded rod 14 at mouth 6 top and run through fixed box 16 and with the upper and lower both ends threaded connection of fixed box 16, the bottom of threaded rod 14 is provided with the pivot, the pivot is rotated and is set up the inside at fixed block 13, the inside rotation that the pivot of threaded rod 14 bottom was located fixed block 13 when rotating can make threaded rod 14 rotate and realize steady lift.

Preferably, the length of the pressing plate 4 is equal to the length of the movable contact pressing port 5 and the contact pressing port 6.

Preferably, the inner structure of the adjusting end 1 is made of insulating materials.

Preferably, the threaded rod 14 inside the movable contact pressing port 5 is far away from the heat insulation plate 12, and the pressing plate 4 inside the contact pressing port 6 is far away from the heat insulation placing plate 7.

Preferably, thermal-insulated board 7 of placing is equipped with the U-shaped board that blocks for both sides, and the U-shaped board is pressed the contact entry intercommunication of 6 one sides in mouth with the contact, and the contact that can adapt to different length stretches into the inside of insulating box body 8 and welds.

The utility model discloses a theory of operation is:

when the contact piece clamping device is used, a contact piece extends into the lower part of the lower electrode 9 from a contact piece inlet on one side of the contact piece pressing port 6, the adjusting end 1 is adjusted to enable the pressing plate 4 to press the contact piece in the contact piece pressing port 6, the U-shaped plates with the two sides being provided with the blocking parts are arranged on the heat insulation placing plate 7, welding errors caused by left-right sliding in the contact piece clamping process can be prevented, the moving contact is extended from the inside of the contact piece pressing port 5 to be contacted with the contact piece below the upper electrode 17, the moving contact and the contact piece which are mutually contacted are clamped by the upper electrode 17 and the lower electrode 9 by adjusting the adjusting end 1, meanwhile, the pressing contact is pressed by the pressing plate 4 to be fixed, the upper electrode 17 and the lower electrode 9 are used for pressing and welding the contact piece by a starting power supply, heat generated in welding is separated by the insulation box body 8, meanwhile, workers are prevented, during the rotation pressing, the fixing box 16 can better keep the stability of the pressing plate 4, the welding state can be observed through the observation port 3 in the welding process, and the whole moving contact after the welding can be pulled out from the moving contact pressing port 5.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a welding set of moving contact, includes insulating box body (8), its characterized in that: a bottom plate (10) is arranged at the bottom of the insulating box body (8), a top plate (2) is arranged at the bottom of the insulating box body (8), a moving contact pressing port (5) and a contact pressing port (6) are respectively arranged on two sides of the insulating box body (8), an electrode seat (11) is arranged in the middle of the upper surface of the bottom plate (10), a lower electrode (9) is arranged above the electrode seat (11), adjusting ends (1) are respectively arranged above the moving contact pressing port (5), the contact pressing port (6) and the lower electrode (9), an upper electrode (17) is arranged above the lower electrode (9), the upper electrode (17) is fixedly connected with the bottom of the adjusting end (1), the adjusting end (1) above the upper electrode (17) is in threaded connection with the top plate (2), and pressing plates (4) are respectively arranged above the moving contact pressing port (5) and the contact pressing port (6), the utility model discloses a contact structure, including pressing plate (4), regulation end (1), moving contact pressing port (5), contact pressing port (6), fixed box (16) are run through to regulation end (1) that the moving contact pressed port (5) and contact pressing port (6) top, the bottom that the moving contact pressed port (5) is provided with heat insulating board (12), the inside that the contact pressed port (6) is provided with thermal-insulated board (7) of placing, thermal-insulated one side of placing board (7) has seted up the contact entry, one side of insulating box body (8) is provided with viewing aperture (3).

2. The device for welding a movable contact according to claim 1, wherein: the adjusting end (1) comprises an adjusting button (15), a threaded rod (14) and a fixing block (13), the adjusting button (15) is located at the top of the insulating box body (8), the moving contact pressing port (5) and the threaded rod (14) at the top of the contact pressing port (6) penetrate through the fixing box (16) and are in threaded connection with the upper end and the lower end of the fixing box (16), a rotating shaft is arranged at the bottom of the threaded rod (14), and the rotating shaft is rotatably arranged inside the fixing block (13).

3. The device for welding a movable contact according to claim 1, wherein: the length of the pressing plate (4) is equal to that of the moving contact pressing port (5) and the contact pressing port (6).

4. The device for welding a movable contact according to claim 1, wherein: the internal structure of the adjusting end (1) is made of insulating materials.

5. The device for welding a movable contact according to claim 1, wherein: the threaded rod (14) in the moving contact pressing port (5) is far away from the heat insulation plate (12), and the pressing plate (4) in the contact pressing port (6) is far away from the heat insulation placing plate (7).

6. The device for welding a movable contact according to claim 1, wherein: the heat insulation placing plate (7) is a U-shaped plate with blocking parts arranged on two sides, and the U-shaped plate is communicated with a contact inlet on one side of the contact pressing opening (6).

Images