CN214673166U - Coupler safe to use - Google Patents
Coupler safe to use Download PDFInfo
- Publication number
- CN214673166U CN214673166U CN202120804274.1U CN202120804274U CN214673166U CN 214673166 U CN214673166 U CN 214673166U CN 202120804274 U CN202120804274 U CN 202120804274U CN 214673166 U CN214673166 U CN 214673166U
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- Prior art keywords
- coupling
- insulating
- wiring terminal
- coupling seat
- terminal piece
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Abstract
The utility model provides a coupler safe in utilization, includes the coupling seat casing of plastics material, install a plurality of wiring terminal pieces on the coupling seat casing, install insulating radiation shield sleeve between the expansion end of wiring terminal piece and the coupling seat casing, the coupler of this structure makes between the position of generating heat of wiring terminal piece and the coupling seat casing through insulating radiation shield sleeve and forms the wall, and isolated or reduction wiring terminal piece is burnt and the condition of melting appear receiving the high temperature influence to the coupling seat casing owing to the heat transfer after the heavy current produces the high temperature, coupling seat casing under preventing.
Description
Technical Field
The utility model relates to a coupler field specifically is a coupler safe in utilization.
Background
The existing coupler comprises an upper coupling seat and a lower coupling seat, wherein electric conductors which are mutually contacted and electrified during coupling are arranged on the upper coupling seat and the lower coupling seat, the electric conductors arranged on the lower coupling seat are wiring terminal sheets with movable contacts, when the coupler is applied to high-power equipment and needs to bear large current of 25A or more, the movable contacts of the lower coupling seat are in point contact with the electric conductors of the upper coupling seat for a long time in the using process, and therefore, the position of the lower coupling seat made of plastic is easily affected by high temperature to cause scorching and melting conditions due to the fact that the current can greatly form high temperature to release a large amount of heat.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve above-mentioned current problem, provide a coupler safe in utilization simple structure, reasonable, its effect is through the insulating radiation shield messenger binding post piece generate heat the position and form insulating the wall between the coupling seat casing.
The coupler safe to use comprises a coupling seat shell made of plastic materials, wherein a plurality of wiring terminal pieces are installed on the coupling seat shell, and an insulating heat insulation sleeve is installed between the movable end of each wiring terminal piece and the coupling seat shell.
The utility model discloses can also adopt following technical measure to solve:
the insulating and heat insulating sleeve includes but is not limited to ceramic materials.
The movable end of the wiring terminal piece is provided with a movable contact, and the insulating heat-insulating sleeve is at least arranged between the movable contact and the coupling seat shell.
The coupling seat shell comprises a plurality of coupling rings, a coupling groove is formed between every two adjacent coupling rings, a mounting concave cavity is formed in each coupling ring, and the insulating heat-insulating sleeve is tightly assembled in the mounting concave cavity and forms one part of each coupling ring.
The insulating heat insulating sleeve comprises a heat insulating main body, a T-shaped groove communicated with one of the coupling grooves is formed in the heat insulating main body, the movable end of the wiring terminal piece extends into the T-shaped groove and elastically displaces between the T-shaped groove and the coupling groove, the two sides of the movable end of the wiring terminal piece are bent outwards to extend to form side wings, and limiting end faces matched with the side wings are arranged in the two side parts of the T-shaped groove.
At least two terminal lugs are respectively connected with the N-pole lead and the L-pole lead, and the movable end of the terminal lug which is at least connected with the N-pole lead and the L-pole lead is provided with an insulating and heat-insulating sleeve.
The bottom of coupling seat casing is provided with the location mount table, the stiff end setting of connection terminal piece is fixed connection on the location mount table.
The fixed end of the wiring terminal piece is provided with a connecting hole, the positioning mounting table is provided with a connecting blind hole corresponding to the connecting hole, and the wiring terminal piece penetrates through the connecting hole and the connecting blind hole through screws to be fixed.
And the fixed end of the wiring terminal plate is provided with a wiring hole.
The utility model has the advantages as follows:
the utility model relates to a coupler safe in utilization, its simple structure, assembly are convenient, low in production cost, and the coupler of this structure makes the position of generating heat of terminal piece and forms between the coupling seat casing through insulating radiation shield and cuts off, and isolated or reduction terminal piece is because the heat transfer after the heavy current produces the high temperature to the coupling seat casing, prevents that the coupling seat casing from receiving the high temperature influence down and appearing scorching and melting the condition.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the exploded structure of the present invention.
Fig. 3 is a schematic view of the connection terminal plate and the insulating sleeve of the present invention.
Fig. 4 is a schematic diagram of the coupling ring structure of the present invention.
Fig. 5 is a schematic view of the exploded structure of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1 to 5, a coupler safe in use comprises a coupling seat shell 1 made of plastic, wherein a plurality of wiring terminal pieces 2 are installed on the coupling seat shell 1, and an insulating and heat-insulating sleeve 3 is installed between a movable end 21 of each wiring terminal piece 2 and the coupling seat shell 1; the coupler of this structure makes the position of generating heat of connection terminal piece 2 and forms the wall between coupling seat casing 1 through insulating radiation shield 3, and isolated or reduction connection terminal piece 2 is because the heat transfer after the heavy current produces the high temperature to coupling seat casing 1, prevents that the condition of scorching and melting appears in coupling seat casing 1 receiving the high temperature influence down.
Further, the insulating and heat-insulating sleeve 3 includes, but is not limited to, ceramic materials; the ceramic material has the double characteristics of heat insulation and insulation, and has mature production technology and low use cost.
Further, the movable end 21 of the connection terminal piece 2 is provided with a movable contact 201, and the insulating and heat insulating sleeve 3 is at least arranged between the movable contact 201 and the coupling seat housing 1, and under a large-current environment, the current at the position of the movable contact 201 is the largest, and the generated temperature is higher, so that the insulating and heat insulating sleeve 3 needs to be correspondingly sleeved at the movable contact 201.
Further, the coupling seat shell 1 comprises a plurality of coupling rings 11, a coupling groove 12 is formed between every two adjacent coupling rings 11, the coupling rings 11 are provided with mounting cavities 111, and the insulating heat-insulating sleeve 3 is tightly assembled in the mounting cavities 111 and forms one part of the coupling rings 11, so that the insulating heat-insulating sleeve 3 can be better integrated with the coupling seat shell 1, the integrity is better, and the original structure of the coupler is not affected.
Further, the insulating and heat insulating sleeve 3 includes a heat insulating main body 301, a T-shaped groove 302 communicated with one of the coupling grooves 12 is formed in the heat insulating main body 301, the movable end 21 of the connection terminal piece 2 extends into the T-shaped groove 302 and elastically displaces between the T-shaped groove 302 and the coupling groove 12, two sides of the movable end 21 of the connection terminal piece 2 are bent outwards to extend a side wing 202, a limiting end surface 303 matched with the side wing 202 is formed in two side portions of the T-shaped groove 302, and the side wing 202 is abutted against the limiting end surface 303, so that the range of the position of the movable end 21 of the connection terminal piece 2 to the coupling groove 12 is controlled.
In this embodiment, a part of the mounting cavity 111 is communicated with the coupling grooves 12 at both sides, a part of the mounting cavity 111 is communicated with only one side of the coupling groove 12, and the connection terminal piece 2 mainly comprises the movable contact 201 extending out of the coupling groove 12, so that the insulating and heat insulating sleeve 3 of this structure can simultaneously separate and protect three surfaces of the movable end 21 of the connection terminal piece 2.
Further, at least two terminal pieces 2 are respectively connected with an N-pole lead and an L-pole lead, and an insulating and heat-insulating sleeve 3 is installed at the movable end 21 of the terminal piece 2 at least connected with the N-pole lead and the L-pole lead, because the coupler of the structure mainly heats the movable end 21 of the terminal piece 2 connected with the N-pole lead and the L-pole lead, only the terminal piece 2 can be protected and the insulating and heat-insulating sleeve 3 is installed in the actual production process, thereby reducing the production cost and the assembly process.
Further, a positioning installation table 13 is arranged at the bottom of the coupling seat shell 1, and the fixed end of the wiring terminal piece 2 is fixedly connected to the positioning installation table 13 and used for positioning and assembling the wiring terminal piece 2, so that the assembling efficiency is improved.
Further, the fixed end of the connection terminal piece 2 is provided with a connecting hole 203, the positioning mounting table 13 is provided with a connecting blind hole 131 corresponding to the connecting hole 203, and the connection terminal piece 2 passes through the connecting hole 203 and the connecting blind hole 131 through screws to realize fixation, so that the structure is simple, and the installation is convenient and fast.
Further, the fixed end of the terminal plate 2 is provided with a wiring hole 204, and the wiring hole 204 is used for connecting a wire.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but rather that various changes and modifications may be made without departing from the spirit and scope of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (9)
1. The utility model provides a coupler safe in utilization, includes the coupling seat casing of plastics material, install a plurality of wiring terminal pieces on the coupling seat casing, its characterized in that: and an insulating and heat-insulating sleeve is arranged between the movable end of the wiring terminal piece and the coupling seat shell.
2. A coupler according to claim 1, characterised in that: the insulating and heat insulating sleeve includes but is not limited to ceramic materials.
3. A coupler according to claim 1, characterised in that: the movable end of the wiring terminal piece is provided with a movable contact, and the insulating heat-insulating sleeve is at least arranged between the movable contact and the coupling seat shell.
4. A coupler according to claim 1, characterised in that: the coupling seat shell comprises a plurality of coupling rings, a coupling groove is formed between every two adjacent coupling rings, a mounting concave cavity is formed in each coupling ring, and the insulating heat-insulating sleeve is tightly assembled in the mounting concave cavity and forms one part of each coupling ring.
5. A coupler according to claim 4, characterised in that: the insulating heat insulating sleeve comprises a heat insulating main body, a T-shaped groove communicated with one of the coupling grooves is formed in the heat insulating main body, the movable end of the wiring terminal piece extends into the T-shaped groove and elastically displaces between the T-shaped groove and the coupling groove, the two sides of the movable end of the wiring terminal piece are bent outwards to extend to form side wings, and limiting end faces matched with the side wings are arranged in the two side parts of the T-shaped groove.
6. A coupler according to claim 1, characterised in that: at least two terminal lugs are respectively connected with the N-pole lead and the L-pole lead, and the movable end of the terminal lug which is at least connected with the N-pole lead and the L-pole lead is provided with an insulating and heat-insulating sleeve.
7. A coupler according to claim 1, characterised in that: the bottom of coupling seat casing is provided with the location mount table, the stiff end setting of connection terminal piece is fixed connection on the location mount table.
8. A coupler according to claim 7, wherein: the fixed end of the wiring terminal piece is provided with a connecting hole, the positioning mounting table is provided with a connecting blind hole corresponding to the connecting hole, and the wiring terminal piece penetrates through the connecting hole and the connecting blind hole through screws to be fixed.
9. A coupler according to claim 1, characterised in that: and the fixed end of the wiring terminal plate is provided with a wiring hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120804274.1U CN214673166U (en) | 2021-04-19 | 2021-04-19 | Coupler safe to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120804274.1U CN214673166U (en) | 2021-04-19 | 2021-04-19 | Coupler safe to use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214673166U true CN214673166U (en) | 2021-11-09 |
Family
ID=78464678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120804274.1U Active CN214673166U (en) | 2021-04-19 | 2021-04-19 | Coupler safe to use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214673166U (en) |
-
2021
- 2021-04-19 CN CN202120804274.1U patent/CN214673166U/en active Active
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| GR01 | Patent grant |