CN213340119U

CN213340119U - High-performance silver-copper composite contact structure

Info

Publication number: CN213340119U
Application number: CN202021864812.8U
Authority: CN
Inventors: 赵成威
Original assignee: Zhejiang Songfa Composite New Material Co ltd
Current assignee: Zhejiang Songfa Composite New Material Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-06-01
Anticipated expiration: 2030-08-31

Abstract

The utility model belongs to the technical field of electrical components, especially, be a high performance silver-copper composite contact structure, combine piece, spacing dish, threaded rod and lower combination piece on including the copper base, go up to combine the piece to be the hemisphere piece, it is the cylinder piece to combine the piece down, the copper base includes pole base and dish base, first draw-in groove has been seted up to the upper surface of dish base, pole base fixed connection is in the bottom of first draw-in groove, the mounting hole has been seted up to the upper surface of pole base, the through-hole has been seted up to the bottom surface of pole base, the through-hole communicates with the mounting hole each other, the bottom surface fixedly connected with spliced pole of last combination piece. The utility model discloses a set up the middle part with the contact into the copper base, the last piece that combines and the piece that combines down at both ends are silver piece, set up the connecting piece threaded rod into silver alloy pole in addition, and the limiting plate sets up to silver alloy board, has not only reduced the use of silver-colored material by a wide margin, still can not influence the performance of electric switch simultaneously, is worth general application and popularization.

Description

High-performance silver-copper composite contact structure

Technical Field

The utility model relates to an electrical components technical field specifically is a high performance silver-copper composite contact structure.

Background

For electric switches for high current and high voltage applications, it is necessary and well known to use a contact material resistant to welding to prevent the electrical contact from being fused due to an arc when the contact is opened and/or closed, but the existing contact structure, whether from the material or the production process, is difficult to realize in mass production, with a lot of trouble for the electric appliance enterprises using the contact structure.

The existing high performance contact structures suffer from the following problems:

1. the existing contact structure adopts single pure silver or silver alloy as a contact, but the price of silver is high, so that the cost pressure of enterprises using silver contacts is huge, and the mass production is difficult to realize.

2. The existing contact structure is formed by cold press forming and cutting by a cold header, but the equipment price is very high, the operation is complex, and the material utilization rate is low, so the wide popularization is difficult.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a high performance silver-copper composite contact structure has solved the problem that material cost is expensive and material utilization is low among the prior art.

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

the utility model provides a high performance silver-copper composite contact structure, includes the copper base, goes up combination piece, spacing dish, threaded rod and lower combination piece, it is the hemisphere piece to go up combination piece, down the combination piece is the cylinder piece, the copper base includes pole base and dish base, first draw-in groove has been seted up to the upper surface of dish base, pole base fixed connection is in the bottom of first draw-in groove, the mounting hole has been seted up to the upper surface of pole base, the through-hole has been seted up to the bottom surface of pole base, the through-hole communicates with the mounting hole each other, the bottom surface fixedly connected with spliced pole of going up combination piece, threaded hole has been seted up to the inside of spliced pole, the disk body that the spliced pole runs through the spacing dish stretches to the mounting hole, the second draw-in groove has been seted up to the bottom surface of combining the piece down, the threaded rod runs through the inside that the.

As an optimal technical scheme of the utility model, it is silver piece to go up combination piece and lower combination piece, the spliced pole is silver post.

As an optimal technical scheme of the utility model, the side of spacing dish is equipped with anti-skidding line, spacing dish is relative with first draw-in groove position, and the size cooperatees.

As an optimal technical scheme of the utility model, the threaded rod is silver alloy pole, the limiting plate is silver alloy board.

As an optimal technical scheme of the utility model, the limiting plate is relative with second draw-in groove position, and the size cooperatees.

As an optimal technical scheme of the utility model, the threaded rod is relative with the screw hole position, and the size cooperatees.

Compared with the prior art, the utility model provides a high performance silver-copper composite contact structure possesses following beneficial effect:

1. this high performance silver-copper composite contact structure sets up to the copper base through the middle part with the contact, and the last piece that combines and the piece that combines down at both ends are the silver piece, sets up the connecting piece threaded rod into silver alloy pole in addition, and the limiting plate sets up to silver alloy board, has not only reduced the use of silver material by a wide margin, still can not influence the performance of electric switch simultaneously.

2. This high performance silver-copper composite contact structure sets up the spliced pole through the bottom surface that combines the piece at last, and the inside of spliced pole sets up the screw hole, offers mounting hole and through-hole in the inside of copper base, inserts the spliced pole mounting hole, passes the through-hole with the threaded rod and spiral shell mutually, makes on combine piece, copper base and down combine the piece organic combination together, not only connects more stably, compares in cold heading machine pressfitting more energy saving and material moreover, is worth generally using and promoting.

Drawings

FIG. 1 is a schematic view of the exploded bottom structure of the main body of the present invention;

FIG. 2 is a front view of the main body of the present invention;

FIG. 3 is a schematic view of the copper-based structure of the present invention;

fig. 4 is a schematic diagram of the main body synthetic structure of the present invention.

In the figure: 1. copper base; 2. an upper combining block; 3. a limiting disc; 4. a threaded rod; 5. a lower combining block; 6. a rod base; 7. a disc base; 8. a first card slot; 9. mounting holes; 10. a through hole; 11. connecting columns; 12. a threaded hole; 13. a second card slot; 14. and a limiting plate.

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 some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: a high-performance silver-copper composite contact structure comprises a copper base 1 and an upper combining block 2, spacing dish 3, threaded rod 4 and lower combination piece 5, it is the hemisphere piece to go up combination piece 2, lower combination piece 5 is the cylinder piece, copper base 1 includes pole base 6 and dish base 7, first draw-in groove 8 has been seted up to the upper surface of

dish base

7, 6 fixed connection in the bottom of first draw-in groove 8 of pole base, mounting hole 9 has been seted up to the upper surface of pole base 6, through-hole 10 has been seted up to the bottom surface of pole base 6, through-hole 10 and mounting hole 9 communicate each other, go up the bottom surface fixedly connected with spliced pole 11 of combination piece 2, threaded hole 12 has been seted up to the inside of spliced pole 11, spliced pole 11 runs through the disk body of spacing dish 3 and stretches to the inside of mounting hole 9, second draw-in groove 13 has been seted up to the bottom surface of lower combination piece 5, threaded rod 4 runs through second draw-in groove 13 and stretches.

In this embodiment, go up combination piece 2 and be the hemisphere piece, the upper surface of hemisphere piece is smooth, and the switch can be more sensitive when the contact like this, sets up spacing dish 3 and can let and combine piece 2 and combine to be connected between the piece 5 more compactly down, and through-hole 10 communicates with mounting hole 9 each other, and threaded rod 4 just can pass through-hole 10 and screw hole 12 cooperatees like this.

Specifically, the upper combining block 2 and the lower combining block 5 are silver blocks, and the connecting column 11 is a silver column.

In this embodiment, the upper and lower both ends with the contact adopt the silver piece, and the centre adopts pure copper material, and the consumption of reduction silver material that can be great reduces the manufacturing cost of electric switch.

Specifically, the side of spacing dish 3 is equipped with anti-skidding line, and spacing dish 3 is relative with 8 positions of first draw-in groove, and the size cooperatees.

In this embodiment, because spacing dish 3 is relative with first draw-in groove 8 positions, the size cooperatees, consequently can be with spacing dish 3 embedding first draw-in groove 8, make and go up to combine to be connected between piece 2 and the disc base 7 more compactly, improve the structural integrity of copper silver composite contact.

Specifically, the threaded rod 4 is a silver alloy rod, and the limit plate 14 is a silver alloy plate.

In this embodiment, set up threaded rod 4 into silver alloy pole and set up limiting plate 14 into silver alloy board, can reduce the use of silver material by a wide margin, not only can reduce the manufacturing cost of electric switch contact, still can not influence the performance of electric switch.

Specifically, the position of the limiting plate 14 is opposite to that of the second card slot 13, and the size of the limiting plate is matched with that of the second card slot.

In this embodiment, set up limiting plate 14 and can carry on spacingly to threaded rod 4, limiting plate 14 is relative with second draw-in groove 13 position in addition, and the size cooperatees, inlays limiting plate 14 card in second draw-in groove 13, can outwards not form the lug.

Specifically, the threaded rod 4 is opposite to the threaded hole 12 and is matched with the threaded hole in size.

In this embodiment, the threaded rod 4 is screwed into the threaded hole 12, so that the upper bonding block 2, the copper base 1 and the lower bonding block 5 can be organically bonded together, thereby completing the structural combination of the silver-copper composite contact.

The utility model discloses a theory of operation and use flow: this high performance silver-copper composite contact, the bottom surface that combines piece 2 at last sets up spliced pole 11, the inside of spliced pole 11 sets up screw hole 12, set up mounting hole 9 and through-hole 10 in the inside of copper base 1, insert spliced pole 11 mounting hole 9, pass through-hole 10 and spiral shell mutually with threaded rod 4, make and combine piece 2 on, copper base 1 and combine 5 organic combinations of piece under and be in the same place, set up the middle part of contact into copper base 1 of pure copper in addition, the last piece 2 that combines of both ends combines and combine 5 to set up to silver block under with, set up connecting piece threaded rod 4 into silver alloy spare in addition, not only reduced the use of silver material by a wide margin, still can not influence the performance of electric switch simultaneously.

Finally, it should be noted that: 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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high performance silver-copper composite contact structure, includes copper base (1), goes up and combines piece (2), spacing dish (3), threaded rod (4) and lower combination piece (5), its characterized in that: the upper combining block (2) is a hemispherical block, the lower combining block (5) is a cylindrical block, the copper base (1) comprises a rod base (6) and a disc base (7), a first clamping groove (8) is formed in the upper surface of the disc base (7), the rod base (6) is fixedly connected to the bottom of the first clamping groove (8), a mounting hole (9) is formed in the upper surface of the rod base (6), a through hole (10) is formed in the bottom surface of the rod base (6), the through hole (10) is communicated with the mounting hole (9), a connecting column (11) is fixedly connected to the bottom surface of the upper combining block (2), a threaded hole (12) is formed in the connecting column (11), the connecting column (11) penetrates through a disc body of the limiting disc (3) and extends into the mounting hole (9), a second clamping groove (13) is formed in the bottom surface of the lower combining block (5), and the threaded rod (4) penetrates through the second clamping groove (13) and extends into the through hole (10), the bottom end of the threaded rod (4) is fixedly connected with a limiting plate (14).

2. The high performance silver-copper composite contact structure of claim 1, wherein: the upper combining block (2) and the lower combining block (5) are silver blocks, and the connecting column (11) is a silver column.

3. The high performance silver-copper composite contact structure of claim 1, wherein: the side of the limiting disc (3) is provided with anti-skid lines, and the limiting disc (3) is opposite to the first clamping groove (8) in position and is matched in size.

4. The high performance silver-copper composite contact structure of claim 1, wherein: the threaded rod (4) is a silver alloy rod, and the limiting plate (14) is a silver alloy plate.

5. The high performance silver-copper composite contact structure of claim 1, wherein: the limiting plate (14) is opposite to the second clamping groove (13) in position and matched in size.

6. The high performance silver-copper composite contact structure of claim 1, wherein: the threaded rod (4) is opposite to the threaded hole (12) in position and matched in size.