CN211929324U - High-stability electrical appliance connecting contact - Google Patents
High-stability electrical appliance connecting contact Download PDFInfo
- Publication number
- CN211929324U CN211929324U CN202020798133.9U CN202020798133U CN211929324U CN 211929324 U CN211929324 U CN 211929324U CN 202020798133 U CN202020798133 U CN 202020798133U CN 211929324 U CN211929324 U CN 211929324U
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- ring piece
- inner ring
- high stability
- electrical connection
- connecting plate
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Abstract
The utility model provides a high stability's electrical apparatus connection contact relates to electrical equipment technical field, including the connecting plate, connecting plate one end is provided with the contact rivet, the one end that the contact rivet was kept away from to the connecting plate is provided with connecting portion, connecting portion include first connecting portion and second connecting portion, first connecting portion include that the annular is detained and is stretched out the post, the second connecting portion include interior ring spare and outer ring spare, interior ring spare inside wall is provided with the internal thread, be provided with the hasp on the interior ring spare lateral wall, the external diameter of outer ring spare is not less than the external diameter that the annular was detained, all be provided with on interior ring spare and the outer ring spare lateral wall and be used for making things convenient for the wire to. The utility model relates to a high stability's electrical apparatus connection contact stable in structure need not the terminal bolt excessively twist alright have good stability with making the terminal bolt to avoid connecting plate bending deformation, and be provided with protecting sheathing, contact point oxidation risk greatly reduced, contact long service life.
Description
Technical Field
The utility model relates to the technical field of electrical equipment,
especially, the utility model particularly relates to an electrical apparatus of high stability connects contact.
Background
The contact element is one of key components of a switching device, and is a leading electric contact material which is widely applied to switching devices such as relays, contactors, load switches, medium and low voltage circuit breakers, household appliances, automobile appliances and the like. Normally, when the switch is fixed, a binding screw is used to fix the wire at the position of the threaded hole of the contact element, so that the wire is communicated with the contact element.
For example, chinese patent utility model patent CN202058675U discloses a static contact, which comprises an electrical connection part for electrically connecting an external power supply, a contact part provided with a static contact, and a connection part for connecting the electrical connection part and the contact part, wherein the electrical connection part is provided with an electrical connection hole and a fixing hole; the contact part comprises a conductive plate positioned at the edge of the contact part, a contact bearing plate used for setting a static contact and a shunt hole; the shunt hole comprises a shunt area positioned between two side ends of the contact supporting plate and the conductive part and a current breaking area positioned between one end of the contact supporting plate close to the power connection part and the connection part; one end of the contact supporting plate far away from the electric connection part is connected with the electric conduction plate.
However, the static contact is not reinforced at the joint of the lead and the connecting plate, so that the lead and the connecting plate are easy to loosen, the lead of the static contact needs to be stably connected, a wiring bolt is required to be screwed excessively, the connecting plate is bent and deformed, the joint of the lead and the connecting plate is not protected, the lead is easy to be in contact with air and water to cause oxidation, and the connection stability is poor.
Therefore, in order to solve the above problems, it is necessary to design a reasonably high-stability electrical connection contact.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stable in structure need not the terminal bolt excessively to twist alright in order to make the terminal bolt have good stability to avoid connecting plate bending deformation, and be provided with protecting sheathing, contact point oxidation risk greatly reduced, contact head long service life's high stability's electrical apparatus connection contact.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high stability electrical connection contact comprising: a connecting plate, one end of the connecting plate is provided with a contact rivet, one end of the connecting plate, which is far away from the contact rivet, is provided with a connecting part used for being connected with a wiring bolt, the connecting part comprises a first connecting part connected with the wiring bolt and a second connecting part connected with the connecting plate, the first connecting part comprises an annular buckle and an extending column which is arranged on the annular buckle and extends towards the second connecting part, the second connecting part comprises an inner ring piece and an outer ring piece arranged on the outer side of the inner ring piece, the inner side wall of the inner ring piece is provided with internal threads, the side wall of the inner ring piece is provided with a lock catch extending towards the axis direction of the inner ring piece, the outer diameter of the outer ring piece is not less than the outer diameter of the annular lock catch, the inner ring piece and the outer ring piece are provided with through holes for facilitating the lead to pass through, and external threads are arranged on the outer side of the wiring bolt.
As the utility model discloses a preferred, annular is detained, interior ring spare and outer ring spare and is coaxial setting.
As the utility model discloses a preferred, it is the rectangle post to stretch out the post, just stretch out post both ends distance the distance at center is detained to the annular is different.
As the utility model discloses a preferred, the internal diameter of outer ring spare is not less than stretch out the post distance the maximum distance in axle center is detained to the annular.
As the utility model discloses a preferred, the external diameter of inner ring spare is not more than stretch out the post distance the minimum distance in axle center is detained to the annular.
In practice, at least a portion of the projecting post is disposed between the inner and outer ring members.
As an optimization of the present invention, the number of the locking device is at least one.
Preferably, the number of the protruding columns is at least one.
As the utility model discloses a preferred, the hasp is close to the one end in inner ring piece axle center is provided with protruding screw thread.
As the utility model discloses a preferred, the binding bolt tip is provided with the nut, the annular is detained the inboard and is provided with and is used for the convenience the recess that the nut passed.
As the utility model discloses a preferred, the annular is detained the top and is provided with and is used for conveniently twisting and move the arch is moved in twisting that the annular was detained.
As the utility model discloses an prefer, it is at least one to twist protruding quantity.
As a preferred aspect of the present invention, the length of the protruding post is not greater than the length of the terminal bolt.
As a preferred aspect of the present invention, the height of the outer ring member is not greater than the length of the terminal bolt.
The utility model relates to a high stability's electrical apparatus connection contact beneficial effect lies in: stable in structure need not the wiring bolt excessively to twist alright in order to make the wiring bolt have good stability to avoid connecting plate bending deformation, and be provided with protecting sheathing, contact point oxidation risk greatly reduced, contact head long service life.
Drawings
Fig. 1 is a schematic view of the overall installation of a high-stability electrical connection contact according to the present invention;
fig. 2 is a schematic bottom view of a first connecting portion of a high-stability electrical connection contact according to the present invention;
fig. 3 is a schematic top view of a second connecting portion of a high stability electrical connection contact according to the present invention;
wherein: 1. a connecting plate; 11. a contact rivet; 2. a connecting portion; 21. a first connection portion; 211. an annular buckle; 212. extending the column; 213. screwing the bulge; 22. a second connecting portion; 221. an inner ring member; 2211. an internal thread; 2212. locking; 2213. raised threads; 222. an outer ring member; 223. passing through the aperture; 3. a wiring bolt; 31. an external thread; 32. and (4) a nut.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the modules and structures set forth in these embodiments does not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and systems known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
The first embodiment is as follows: as shown in fig. 1 to 3, which is only one embodiment of the present invention, a high-stability electrical connection contact includes a connection plate 1, one end of the connection plate 1 is provided with a contact rivet 11, one end of the connection plate 1, which is away from the contact rivet 11, is provided with a connection portion 2 for connecting with a connection bolt 3, the connection portion 2 includes a first connection portion 21 connected with the connection bolt 3 and a second connection portion 22 connected with the connection plate 1, the first connection portion 21 includes an annular buckle 211 and a protruding column 212 disposed on the annular buckle 211 and extending toward the second connection portion 22, the second connection portion 22 includes an inner ring 221 and an outer ring 222 disposed outside the inner ring 221, the inner side wall of the inner ring 221 is provided with an internal thread 2211, the side wall of the inner ring 221 is provided with a 2212 extending toward the axial direction of the inner ring 221, the outer diameter of the outer ring piece 222 is not less than that of the annular buckle 211, the side walls of the inner ring piece 221 and the outer ring piece 222 are both provided with through holes 223 for facilitating the passing of a lead, and the outer side of the wiring bolt 3 is provided with external threads 31.
The utility model discloses in, on the terminal bolt 3 was connected to connecting plate 1 through first connecting portion 21 and second connecting portion 22, pressed the wire simultaneously on connecting plate 1 and switched on between connecting plate 1.
First, a first connection part 21, the first connection part 21 including a ring button 211, and the terminal bolt 3 passing through the middle of the ring button 211.
Then, a second connecting part 22 is provided, the second connecting part 22 includes an inner ring 221, the inner side wall of the inner ring 221 is provided with an internal thread 2211, the terminal bolt 3 passing through the middle of the ring-shaped buckle 211 continues to extend into the inner ring 221, and the external thread 31 of the terminal bolt 3 is in threaded connection with the internal thread 2211 of the inner ring 221 until passing through the inner ring 221 and contacting with the plate body surface of the connecting plate 1.
The annular buckle 211 is provided with a protruding column 212 extending towards the second connecting portion 22, and the side wall of the inner ring 221 is provided with a buckle 2212 extending towards the axial direction of the inner ring 221. Here, the protruding post 212 is a rectangular post, and the two ends of the protruding post 212 are spaced from the center of the ring-shaped buckle 211 differently, that is, an included angle is formed between the horizontal extending direction of the protruding post 212 and the extending direction of the chord passing through the center of the ring-shaped buckle 211, when the ring-shaped buckle 211 is rotated, the protruding post 212 rotates and presses the lock 2212 on the side wall of the inner ring member 221, so that the lock 2212 protrudes to the inner side of the inner ring member 221, and the terminal bolt 3 extending to the inner side of the inner ring member 221 is locked.
And finally, the outer ring piece 222 of the second connecting part 22 is arranged outside the inner ring piece 221, the outer diameter of the outer ring piece 222 is not smaller than the outer diameter of the annular buckle 211, that is, the outer ring piece 222, the annular buckle 211 and the connecting plate 1 form an enclosing space to enclose the inner ring piece 221 and the wiring bolt 3, so that the contact part between the lead and the wiring bolt 3 and the connecting plate 1 is prevented from being oxidized due to the fact that a large amount of water and humid air enter from the outside.
In order to facilitate the stable connection of the terminal bolt 3, the ring-shaped buckle 211, the inner ring member 221 and the outer ring member 222 are coaxially disposed.
Moreover, the inner diameter of the outer ring member 222 is not less than the maximum distance from the protruding column 212 to the axial center of the annular buckle 211, and the outer diameter of the inner ring member 221 is not more than the minimum distance from the protruding column 212 to the axial center of the annular buckle 211. In practice, at least a portion of the projecting post 212 is disposed between the inner ring member 221 and the outer ring member 222.
Of course, the top end of the ring-shaped fastener 211 is provided with a screwing projection 213 for facilitating screwing of the ring-shaped fastener 211.
In a word, the utility model discloses a use as follows:
firstly, the second connecting part 22 is fixedly arranged on the connecting plate 1; then, a wire is inserted into the through hole 223; then, the connecting bolt 3 passes through the annular buckle 211 of the first connecting part 21 and is inserted into the inner ring piece 222 of the second connecting part 22, and the connecting bolt 3 is screwed to be in threaded connection with the inner ring piece 222; finally, the first connecting portion 21, i.e., the ring-shaped fastener 211, is screwed, so that the protruding post 212 pushes the locking buckle 2212 to lock the terminal bolt 3.
The utility model relates to a high stability's electrical apparatus connection contact stable in structure need not the terminal bolt excessively twist alright have good stability with making the terminal bolt to avoid connecting plate bending deformation, and be provided with protecting sheathing, contact point oxidation risk greatly reduced, contact long service life.
Example two: referring to fig. 1 to 3, which are only one embodiment of the present invention, in this embodiment, compared to the above-mentioned embodiment, the number of the protruding columns 212 is at least one, so that the locking device 2212 is pushed to lock the terminal bolt 3 more effectively, and correspondingly, the number of the locking devices 2212 is at least one.
Of course, the end of the lock 2212 close to the axis of the inner ring 221 is provided with a convex thread 2213, and the convex thread 2213 is locked with the external thread 31 of the terminal bolt 3 to prevent the terminal bolt 3 from being screwed.
In addition, 3 tip of binding bolt are provided with nut 32, the annular is detained 211 inboard and is provided with and be used for the convenience the recess that nut 32 passed, in fact the recess has at least partly for the arc, and the recess size just allows nut 32 to put into for the upside is detained to the annular is stopped up to nut 32, and 3 leakproofness of binding bolt are better like this.
And, the number of the screwing projections 213 is at least one.
Finally, the length of the protruding post 212 is not greater than the length of the terminal bolt 3, and the height of the outer ring member 222 is not greater than the length of the terminal bolt 3.
The utility model relates to a high stability's electrical apparatus connection contact stable in structure need not the terminal bolt excessively twist alright have good stability with making the terminal bolt to avoid connecting plate bending deformation, and be provided with protecting sheathing, contact point oxidation risk greatly reduced, contact long service life.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (10)
1. An electrical connection contact of high stability, comprising: the connecting plate comprises a connecting plate (1), one end of the connecting plate (1) is provided with a contact rivet (11), one end, far away from the contact rivet (11), of the connecting plate (1) is provided with a connecting part (2) used for being connected with a wiring bolt (3), the connecting part (2) comprises a first connecting part (21) connected with the wiring bolt (3) and a second connecting part (22) connected with the connecting plate (1), the first connecting part (21) comprises an annular buckle (211) and a protruding column (212) arranged on the annular buckle (211) and extending towards the direction of the second connecting part (22), the second connecting part (22) comprises an inner ring piece (221) and an outer ring piece (222) arranged on the outer side of the inner ring piece (221), the inner side wall of the inner ring piece (221) is provided with an internal thread (2211), the side wall of the inner ring piece (221) is provided with a lock catch (2212) extending towards the axis direction of the inner ring piece (221), the outer diameter of the outer ring piece (222) is not smaller than that of the annular buckle (211), through holes (223) for facilitating a lead to pass through are formed in the side walls of the inner ring piece (221) and the outer ring piece (222), and external threads (31) are arranged on the outer side of the wiring bolt (3).
2. A high stability electrical connection contact according to claim 1, wherein: the annular buckle (211), the inner ring piece (221) and the outer ring piece (222) are all coaxially arranged.
3. A high stability electrical connection contact according to claim 1, wherein: the extension column (212) is a rectangular column, and the distance between the two ends of the extension column (212) and the center of the annular buckle (211) is different.
4. A high stability electrical connection contact according to claim 3, wherein: the inner diameter of the outer ring piece (222) is not smaller than the maximum distance between the extending column (212) and the axis of the annular buckle (211).
5. A high stability electrical connection contact according to claim 3, wherein: the outer diameter of the inner ring piece (221) is not larger than the minimum distance between the extending column (212) and the axis of the annular buckle (211).
6. A high stability electrical connection contact according to claim 1, wherein: the number of the lock catches (2212) is at least one.
7. A high stability electrical connection contact according to claim 1, wherein: the number of the protruding columns (212) is at least one.
8. A high stability electrical connection contact according to claim 1, wherein: one end of the lock catch (2212) close to the axis of the inner ring piece (221) is provided with a convex thread (2213).
9. A high stability electrical connection contact according to claim 1, wherein: terminal bolt (3) tip is provided with nut (32), annular is detained (211) inboard and is provided with and is used for the convenience nut (32) pass the recess.
10. A high stability electrical connection contact according to claim 1, wherein: the top end of the annular buckle (211) is provided with a screwing lug (213) which is used for conveniently screwing the annular buckle (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020798133.9U CN211929324U (en) | 2020-05-14 | 2020-05-14 | High-stability electrical appliance connecting contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020798133.9U CN211929324U (en) | 2020-05-14 | 2020-05-14 | High-stability electrical appliance connecting contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211929324U true CN211929324U (en) | 2020-11-13 |
Family
ID=73319858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020798133.9U Active CN211929324U (en) | 2020-05-14 | 2020-05-14 | High-stability electrical appliance connecting contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211929324U (en) |
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2020
- 2020-05-14 CN CN202020798133.9U patent/CN211929324U/en active Active
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