CN212676069U - Residual current transformer binding post with anti-slip structure - Google Patents
Residual current transformer binding post with anti-slip structure Download PDFInfo
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- CN212676069U CN212676069U CN202021848931.4U CN202021848931U CN212676069U CN 212676069 U CN212676069 U CN 212676069U CN 202021848931 U CN202021848931 U CN 202021848931U CN 212676069 U CN212676069 U CN 212676069U
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- fixed guide
- connecting piece
- guide connecting
- assembly
- fastening bolt
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Abstract
The utility model provides a residual current transformer binding post with anti-slipping structure, which comprises an assembly substrate, the assembly substrate is arranged in a transformer shell by adopting a matching structure, a guide connection component is arranged in the assembly substrate and is connected with the line end of the transformer, the guide connection component comprises a fixed guide connection piece, a movable guide connection piece and a fastening bolt, the fixed guide connection piece is arranged on the top surface of an assembly base, the edge of the fixed guide connection piece is provided with an anti-slipping strip bar, the anti-slipping strip bar is bent towards the lower part of the fixed guide connection piece and penetrates to the lower part of the assembly substrate, the tail end of the anti-slipping strip bar is bent inwards and is attached to the bottom surface of the assembly base, so that the fixed guide connection piece is kept fixed on the assembly base, the movable guide connection piece is positioned above the fixed guide connection piece, a wiring space is formed between the fixed guide connection piece and the movable guide connection piece, the guide connecting sheet, the fixed guide connecting sheet and the assembling substrate are connected and positioned by a fastening bolt.
Description
Technical Field
The utility model relates to a circuit device especially relates to a residual current transformer binding post with anti-skidding structure of taking off.
Background
In the low voltage distribution circuit, if the sum of phase current vectors of each phase is not zero, the situation that residual current exists in the circuit is shown, and the residual current transformer is used for detecting the residual current in the circuit in time and avoiding danger caused by electric leakage. The binding post of residual current transformer generally adopts components such as holding bolt, fixed guide connection piece, activity guide connection piece and assembly base to constitute, and the binding post of commonly using directly taps in fixed guide connection piece and activity guide connection piece and forms the internal thread with holding bolt complex, and the phenomenon of smooth silk, pine take place easily during the use to the location of fixed guide connection piece on the assembly base is firm inadequately, causes adverse effect to binding post wholeness ability. Therefore, there is a need for a terminal block of this type which is structurally optimized to overcome the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a residual current transformer binding post with anti-skidding structure to promote binding post's structural stability.
The utility model discloses a solve the technical scheme that its technical problem adopted and be:
the utility model provides a residual current transformer binding post with anti-skidding structure of taking off, includes assembly substrate, and this assembly substrate adopts to join in marriage the structure and installs in the mutual-inductor casing, and the assembly substrate is equipped with in the equipment and leads and connect the subassembly, should lead and connect the circuit end connection of subassembly and mutual-inductor, wherein, leads and connects the subassembly and include:
the fixed guide connecting piece is arranged on the top surface of the assembly base, the edge of the fixed guide connecting piece is provided with an anti-falling lath, the anti-falling lath bends towards the lower part of the fixed guide connecting piece and penetrates through the lower part of the assembly base plate, the tail end of the anti-falling lath bends towards the inner side and is attached to the bottom surface of the assembly base, so that the fixed guide connecting piece is kept fixed on the assembly base;
a movable guide contact piece located above the fixed guide contact piece, a wiring space being formed between the fixed guide contact piece and the movable guide contact piece;
the fastening bolt penetrates through the movable guide connecting piece, the fixed guide connecting piece and the assembling substrate, and the guide connecting piece, the fixed guide connecting piece and the assembling substrate are connected and positioned by the fastening bolt.
Furthermore, the anti-falling lath is provided with a group and is arranged in sequence along the circumferential direction of the fixed guide connecting piece.
In an embodiment of the present invention, a positioning hole is formed in the mounting substrate, the positioning hole penetrating through both sides of the mounting substrate and being adapted to the shape of the anti-dropping strip, and the anti-dropping strip extends below the mounting substrate through the positioning hole.
Furthermore, the fixed guide connecting piece and the movable guide connecting piece are respectively provided with a connecting hole matched with the fastening bolt, and the fastening bolt penetrates through the connecting holes and then is fixedly connected with the assembly base.
In addition, a positioning caulking groove is formed in the top surface of the assembling substrate, a fastening nut matched with the fastening bolt is embedded in the positioning caulking groove, the fixed guide connecting piece covers the top surface of the fastening nut, a avoiding hole is formed in the bottom wall of the positioning caulking groove and penetrates through the two sides of the assembling substrate, the fastening bolt penetrates through the connecting hole and then is screwed into the fastening nut, and the tail end of the fastening bolt extends to the lower portion of the assembling substrate through the avoiding hole, so that the movable guide connecting piece and the fixed guide connecting piece press and fix the circuit end head of the mutual inductor.
The utility model has the advantages that:
the anti-falling lath is arranged on the fixed guide connecting piece of the wiring terminal, the anti-falling lath is bent towards the lower part of the fixed guide connecting piece and penetrates through the lower part of the assembly substrate, the tail end of the anti-falling lath is bent towards the inner side and is attached to the bottom surface of the assembly substrate, so that the fixed guide connecting piece is fixed on the assembly substrate, the joint of the fixed guide connecting piece and the assembly substrate is more stable, a fastening nut is embedded into the assembly substrate, the phenomenon that a fastening bolt slides and loosens in the fixed guide connecting piece and the movable guide connecting piece is avoided, the performance of the wiring terminal is improved, and the service life is.
Drawings
Fig. 1 is a schematic top view of a terminal according to the present invention;
fig. 2 is a schematic view of the bottom structure of the connection terminal;
fig. 3 is one of the exploded views of the terminal;
fig. 4 is a second exploded view of the terminal.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the drawings and the specific embodiments.
As shown in fig. 1-4, the utility model provides a residual current transformer binding post with anti-slipping structure includes assembly substrate 100, this assembly substrate adopts to connect the structure to install in the mutual-inductor casing, assembly substrate is equipped with in the dress and leads and connect subassembly 200, should lead and connect the circuit end connection of subassembly and mutual-inductor, it includes fixed guide contact piece 201, activity guide contact piece 202 and holding bolt 203 to lead to connect the subassembly, fixed guide contact piece arranges the top surface of assembly base in, its edge is equipped with anticreep lath 204, the anticreep lath is buckled to fixed guide contact piece below, and run through to assembly substrate below, its terminal is inside to buckle, and attach in the bottom surface of assembly base, make fixed guide contact piece keep fixed on the assembly base, activity guide contact piece is located fixed guide contact piece top, form the wiring space between fixed guide contact piece and activity guide contact piece, the holding bolt runs through activity guide contact piece, The fixed guide connecting piece and the assembly substrate are connected and positioned by the fastening bolt.
In this embodiment, the fixed guide connecting piece is rectangular, and the anti-dropping lath is provided with four, is located the four corners of fixed guide connecting piece respectively.
In this embodiment, the mounting substrate is provided with positioning holes 101, which penetrate through two sides of the mounting substrate and are adapted to the shape of the anti-dropping strip, and the anti-dropping strip extends to the lower side of the mounting substrate through the positioning holes.
In this embodiment, the fixed guide connecting piece and the movable guide connecting piece are respectively provided with a connecting hole adapted to the fastening bolt, and the fastening bolt penetrates through the connecting hole and then is fixedly connected with the assembly base.
In addition, the top surface of the assembly substrate is provided with a positioning caulking groove 102, a fastening nut 205 matched with the fastening bolt is embedded in the positioning caulking groove, the fixed guide connecting piece covers the top surface of the fastening nut, the bottom wall of the positioning caulking groove is provided with a avoiding hole 103, the avoiding hole penetrates through the two sides of the assembly substrate, the fastening bolt penetrates through the connecting hole and then is screwed into the fastening nut, and the tail end of the fastening bolt extends to the lower part of the assembly substrate through the avoiding hole, so that the movable guide connecting piece and the fixed guide connecting piece press and fix the circuit end head of the mutual inductor.
The anti-falling lath is arranged on the fixed guide connecting piece of the wiring terminal, the anti-falling lath is bent towards the lower part of the fixed guide connecting piece and penetrates through the lower part of the assembly substrate, the tail end of the anti-falling lath is bent towards the inner side and is attached to the bottom surface of the assembly substrate, so that the fixed guide connecting piece is fixed on the assembly substrate, the joint of the fixed guide connecting piece and the assembly substrate is more stable, a fastening nut is embedded into the assembly substrate, the phenomenon that a fastening bolt slides and loosens in the fixed guide connecting piece and the movable guide connecting piece is avoided, the performance of the wiring terminal is improved, and the service life is.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to let the technical personnel in the field understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (5)
1. The utility model provides a residual current transformer binding post with anti-skidding structure of taking off, includes assembly substrate, and this assembly substrate adopts to join in marriage the structure and installs in the mutual-inductor casing, and the assembly substrate is equipped with in the equipment and leads and connect the subassembly, should lead and connect the circuit end connection of subassembly and mutual-inductor, and its characterized in that leads and connects the subassembly and include:
the fixed guide connecting piece is arranged on the top surface of the assembly base, the edge of the fixed guide connecting piece is provided with an anti-falling lath, the anti-falling lath bends towards the lower part of the fixed guide connecting piece and penetrates through the lower part of the assembly base plate, the tail end of the anti-falling lath bends towards the inner side and is attached to the bottom surface of the assembly base, so that the fixed guide connecting piece is kept fixed on the assembly base;
a movable guide contact piece located above the fixed guide contact piece, a wiring space being formed between the fixed guide contact piece and the movable guide contact piece;
the fastening bolt penetrates through the movable guide connecting piece, the fixed guide connecting piece and the assembling substrate, and the guide connecting piece, the fixed guide connecting piece and the assembling substrate are connected and positioned by the fastening bolt.
2. The residual current transformer wiring terminal with the anti-slip structure according to claim 1, characterized in that:
the anti-falling laths are provided with a group and are sequentially arranged along the circumferential direction of the fixed guide connecting pieces.
3. The residual current transformer wiring terminal with the anti-slip structure according to claim 1 or 2, characterized in that:
a positioning hole is formed in the assembly substrate, penetrates through two sides of the assembly substrate and is matched with the anti-falling lath in shape, and the anti-falling lath extends to the lower portion of the assembly substrate through the positioning hole.
4. The residual current transformer wiring terminal with the anti-slip structure according to claim 1, characterized in that:
and the fixed guide connecting piece and the movable guide connecting piece are respectively provided with a connecting hole matched with the fastening bolt, and the fastening bolt penetrates through the connecting holes and then is fixedly connected with the assembly base.
5. The residual current transformer wiring terminal with the anti-slip structure according to claim 4, characterized in that:
the top surface of the assembly substrate is provided with a positioning caulking groove, a fastening nut matched with the fastening bolt is embedded in the positioning caulking groove, the fixed guide connecting piece covers the top surface of the fastening nut, the bottom wall of the positioning caulking groove is provided with a avoiding hole, the avoiding hole penetrates through the two sides of the assembly substrate, the fastening bolt penetrates through the connecting hole and then is screwed into the fastening nut, and the tail end of the fastening bolt extends to the lower part of the assembly substrate through the avoiding hole, so that the movable guide connecting piece and the fixed guide connecting piece press and fasten the line end head of the mutual inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021848931.4U CN212676069U (en) | 2020-08-28 | 2020-08-28 | Residual current transformer binding post with anti-slip structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021848931.4U CN212676069U (en) | 2020-08-28 | 2020-08-28 | Residual current transformer binding post with anti-slip structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212676069U true CN212676069U (en) | 2021-03-09 |
Family
ID=74823768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021848931.4U Active CN212676069U (en) | 2020-08-28 | 2020-08-28 | Residual current transformer binding post with anti-slip structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212676069U (en) |
-
2020
- 2020-08-28 CN CN202021848931.4U patent/CN212676069U/en active Active
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