CN210350143U - Connection structure for meter box wiring - Google Patents
Connection structure for meter box wiring Download PDFInfo
- Publication number
- CN210350143U CN210350143U CN201921240654.6U CN201921240654U CN210350143U CN 210350143 U CN210350143 U CN 210350143U CN 201921240654 U CN201921240654 U CN 201921240654U CN 210350143 U CN210350143 U CN 210350143U
- Authority
- CN
- China
- Prior art keywords
- copper
- connecting hole
- connection structure
- circuit breaker
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910052802 copper Inorganic materials 0.000 claims abstract description 55
- 239000010949 copper Substances 0.000 claims abstract description 55
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 48
- 230000000903 blocking effect Effects 0.000 claims abstract description 42
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 abstract description 15
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 abstract description 9
- 239000004020 conductor Substances 0.000 abstract description 7
- 230000003647 oxidation Effects 0.000 abstract description 7
- 238000007254 oxidation reaction Methods 0.000 abstract description 7
- 230000007704 transition Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a connection structure is used in table case wiring, including metal fixture and stop the piece. The metal fixture comprises a copper plug board and an aluminum mounting column which are fixedly connected, the copper plug board can be inserted into a connecting hole of the circuit breaker and positioned, and a mounting hole is formed in the aluminum mounting column and used for plugging and fixing a wire; the blocking piece comprises two elastic pieces fixedly arranged in the connecting hole of the circuit breaker, blocking pieces are arranged in the middle of the two elastic pieces, a groove is formed in the outer portion of the copper inserting plate, and the blocking pieces can be inserted into the groove to fix the connecting hole and the copper inserting plate. The utility model discloses can improve the area of contact of wire and circuit breaker, switch junction, avoid the conductor contact failure and then burn out the condition of the wire of aluminium core, realized copper aluminium transition treatment through fixed connection's copper plugboard and aluminium erection column, copper aluminium structural connection department can combine closely, avoids the aluminium structure to burn out by the oxidation.
Description
Technical Field
The utility model belongs to the technical field of power equipment, concretely relates to table case connection structure for wiring.
Background
The common trouble of low pressure resident batch meter is that inside wire burns out with circuit breaker, switch junction, seriously influences the resident and is using electricity and cause the loss of property of power supply enterprise frequently. The internal conductor is divided into three parts: the house lead under the inlet table case (mostly 25, 35 square millimeter aluminium heart yearn can bear the electric current more than 110A), draw forth the user's inlet line from the table case (mostly 10, 16 square millimeter aluminium heart yearn can bear the electric current more than 64A), the wire of each circuit breaker of table case internal connection and switch (former 16 square millimeter aluminium heart yearn, the table case of producing now is mostly 10 square millimeter copper conductor).
The inventor believes that the fault cause of the internal lead is that the lower service line and the service line are aluminum core wires, the circuit breaker and the switch screw are copper cores, and aluminum and copper are heated inconsistently during overload, so that the aluminum is easy to oxidize and burn out.
Meanwhile, the switch has an excessively small crimping area and a small contact area, so that the joints of the wires, the circuit breaker and the switch screws are unstable and easy to loosen, and the aluminum core is burnt out due to poor contact of the conductors.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned prior art not enough, provide a connection structure is used in table case wiring, can improve the area of contact of wire and circuit breaker, switch junction, avoid the conductor contact failure and then burn out the condition of the wire of aluminium core, realized copper aluminium transition treatment through fixed connection's copper plugboard and aluminium erection column, copper aluminium structural connection department can combine closely, avoids the aluminium structure to burn out by the oxidation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a connecting structure for meter box wiring comprises a metal clamp and a blocking piece.
The metal fixture comprises a copper plug board and an aluminum mounting column which are fixedly connected, the copper plug board can be inserted into a connecting hole of the circuit breaker and positioned, and a mounting hole is formed in the aluminum mounting column and used for plugging and fixing a wire.
By adopting the mode of fixedly connecting the copper plug board and the aluminum mounting column, the joint of the copper plug board and the aluminum mounting column is tightly attached, the situations of electric corrosion and oxidation can not occur, and the situation of overheating and burning-out of the joint is reduced. Meanwhile, the copper plug board is consistent with the connecting hole of the circuit breaker or the connecting switch, and the aluminum mounting column is consistent with the connecting material of the aluminum core wire, so that the condition of oxidation burning out can not occur.
The blocking piece comprises two elastic pieces fixedly arranged in a connecting hole of the circuit breaker, blocking pieces are arranged in the middle of the two elastic pieces, and the blocking pieces can swing along a set angle under the limiting of the elastic pieces.
The outside of copper plugboard is equipped with the recess, the separation blade can insert in the recess in order to realize connecting hole and copper plugboard's fixed.
The mode that the groove is matched with the blocking piece is adopted, the end part of the copper insertion plate extends into the connecting hole and then contacts with the blocking piece, the blocking piece is extruded to swing, the blocking piece gives pressure to the elastic piece when swinging, and the elastic piece deforms; after the copper insertion plate continues to extend into the connecting hole, the side face of the copper insertion plate is contacted with the tail end of the separation blade until the tail end of the separation blade is inserted into the groove, and the tail end of the separation blade can extrude the end face of the groove by the elastic force provided by the spring; so that the copper plug board is fixed with the connecting hole of the circuit breaker.
The utility model has the advantages that:
1) by adopting the mode of fixedly connecting the copper plug board and the aluminum mounting column, the joint of the copper plug board and the aluminum mounting column is tightly attached, the situations of electric corrosion and oxidation can not occur, and the situation of overheating and burning-out of the joint is reduced. Meanwhile, the copper plug board is consistent with the connecting hole of the circuit breaker or the connecting switch, and the aluminum mounting column is consistent with the connecting material of the aluminum core wire, so that the condition of oxidation burning out can not occur.
2) The mode that the groove is matched with the blocking piece is adopted, the end part of the copper insertion plate extends into the connecting hole and then contacts with the blocking piece, the blocking piece is extruded to swing, the blocking piece gives pressure to the elastic piece when swinging, and the elastic piece deforms; after the copper insertion plate continues to extend into the connecting hole, the side face of the copper insertion plate is contacted with the tail end of the separation blade until the tail end of the separation blade is inserted into the groove, and the tail end of the separation blade can extrude the end face of the groove by the elastic force provided by the spring; so that the copper plug board is fixed with the connecting hole of the circuit breaker.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic structural view of a metal fixture according to an embodiment of the present invention;
fig. 2 is a front view of a blocking member in an embodiment of the present invention;
FIG. 3 is an isometric view of a stop member in an embodiment of the invention;
fig. 4 is a schematic structural diagram of a blocking member disposed in a connecting hole of a circuit breaker according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an embodiment of the present invention, in which the metal fixture is used in cooperation with the circuit breaker.
In the figure: 1. a copper patch panel; 2. a groove; 3. an aluminum mounting post; 4. a screw; 5. mounting holes; 6. a circuit breaker; 7. a first connecting means; 8. a second connecting means; 9. a support sheet; 10. a baffle plate; 11. elastic sheet 12, connecting hole.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
For convenience of description, the words "up, down, left, right" in the present invention, if appearing, are intended to correspond only to the upper, lower, left, right directions of the drawings themselves, not to limit the structure, but merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
In order to solve the problem mentioned in the background art, the utility model provides a connection structure is used in table case wiring, including metal fixture and stop the piece.
The metal fixture comprises a copper plug board and an aluminum mounting column which are fixedly connected, the copper plug board can be inserted into a connecting hole of the circuit breaker and positioned, and a mounting hole is formed in the aluminum mounting column and used for plugging and fixing a wire;
the blocking piece comprises two elastic pieces fixedly arranged in the connecting hole of the circuit breaker, the middle parts of the two elastic pieces are provided with blocking pieces, and the blocking pieces can swing along a set angle under the limit of the elastic pieces;
the outside of copper plugboard is equipped with the recess, the separation blade can insert in the recess in order to realize connecting hole and copper plugboard's fixed.
Further, the side of aluminium erection column is equipped with the retaining member, the retaining member is terminal to be passed and is stretched into in the mounting hole behind the side of aluminium erection column, the end of retaining member can extrude the wire in order to realize the fixed of wire and mounting hole.
Further, the retaining member is a screw, a threaded hole is formed in the side face of the aluminum mounting column, and the threaded hole penetrates through the side wall of the aluminum mounting column.
Furthermore, the copper plugboard is of a cuboid structure, and the groove is arranged around the outer side face of the copper plugboard.
Furthermore, a supporting sheet is fixedly arranged at one end of the elastic sheet, which deviates from the blocking sheet, and a set included angle is formed between the supporting sheet and the blocking sheet.
Further, the side of aluminium erection column includes convex lateral surface and plane, the plane is provided with the retaining member.
Example 1
As shown in fig. 1 to 4, the present embodiment provides a connection structure for meter box wiring, which includes a metal clamp and a stopper.
The metal fixture comprises a copper plug board 1 and an aluminum mounting column 3 which are fixedly connected, the copper plug board 1 can be inserted into a connecting hole of a circuit breaker 6 and positioned, a mounting hole 5 is formed in the aluminum mounting column 3, and the mounting hole 5 is used for plugging and fixing a wire.
Specifically, the contact end faces of the copper plug board 1 and the aluminum mounting column 3 can be integrally formed in a welding mode, so that tight connection is realized. In other embodiments, the two ends of copper and aluminum may be fused directly to form a unitary body.
The blocking piece comprises two elastic pieces 11 fixedly arranged in a connecting hole of the circuit breaker 6, the middle parts of the two elastic pieces 11 are provided with blocking pieces 10, and the blocking pieces 10 can swing along a set angle under the limit of the elastic pieces 11;
specifically, two side surfaces of the blocking piece 10 are fixedly connected with the adjacent elastic pieces 11 respectively. Supporting pieces 9 are arranged at two ends of the elastic piece, a mounting groove is formed in a connecting hole 12 of the circuit breaker, the elastic piece 11 and the supporting pieces 9 in the blocking piece are placed in the mounting groove, and a part of the blocking piece 10 leaks out of the mounting groove.
The outside of copper plugboard 1 is equipped with recess 2, separation blade 10 can insert in recess 2 in order to realize the fixed of connecting hole and copper plugboard 1.
Specifically, the groove 2 is a square groove.
Preferably, the side of aluminium erection column 3 is equipped with the retaining member, the retaining member is terminal to be passed and to stretch into behind the side of aluminium erection column 3 in mounting hole 5, the terminal of retaining member can extrude the wire in order to realize the fixed of wire and mounting hole 5.
Preferably, the retaining member is a screw 4, a threaded hole is formed in the side face of the aluminum mounting column 3, and the threaded hole penetrates through the side wall of the aluminum mounting column 3. In other embodiments, the retaining member may be a fastening bolt. However, no matter what specific structure the retaining member is, the retaining member should be made of aluminum so as to avoid the oxidation and burning of the lead caused by inconsistent heating of the retaining member and the aluminum core lead.
Preferably, the copper plugboard 1 is of a cuboid structure, and the groove 2 is arranged around the outer side face of the copper plugboard 1.
Preferably, a supporting sheet 9 is fixedly arranged at one end of the elastic sheet 11, which is far away from the blocking sheet 10, and a set included angle is formed between the supporting sheet 9 and the blocking sheet 10.
Preferably, the side surface of the aluminum mounting column 3 comprises a circular arc outer side surface and a plane, and the locking piece is arranged on the plane. Set one side of aluminium erection column 3 to the plane, can make things convenient for the installation of retaining member.
Example 2
As shown in fig. 4, this embodiment provides a use mode of a connection device for meter box wiring, a first connection device 7 is installed in a connection hole of an incoming conductor of a circuit breaker 6, a second connection device 8 is installed in a connection hole of an outgoing conductor of the circuit breaker 6, both the first connection device 7 and the second connection device 8 are the connection device for meter box wiring in embodiment 1, and in order to achieve differentiation and facilitate installation, the lengths of aluminum installation columns 3 in the first connection device 7 and the second connection device 8 are different.
A blocking piece is arranged at each of a house outlet lead connecting hole and a house inlet lead connecting hole of the circuit breaker 6, the blocking piece is arranged on the inner wall of the connecting hole, the elastic piece 11 is fixed with the inner wall of the connecting hole, and the blocking piece 10 is arranged perpendicular to the advancing direction of a house inlet lead or a house outlet lead.
When in installation, a lead is inserted into the installation hole 5 and then is locked and fixed by the screw 4; then inserting the copper inserting plate 1 into the connecting hole, wherein the end part of the copper inserting plate 1 is firstly contacted with the blocking piece 10, so that the blocking piece 10 is obliquely deformed; during the process of further advancing, the copper plug board 1 enables the groove 2 to be in contact with the blocking piece 10, and the end part of the blocking piece 10 extends into the groove 2 for positioning. The deformation of the elastic piece 11 enables the blocking piece 10 to extrude the groove 2, so that the copper inserting plate 1 is prevented from withdrawing.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (6)
1. A connection structure for meter box wiring is characterized by comprising a metal clamp and a blocking piece;
the metal fixture comprises a copper plug board and an aluminum mounting column which are fixedly connected, the copper plug board can be inserted into a connecting hole of the circuit breaker and positioned, and a mounting hole is formed in the aluminum mounting column and used for plugging and fixing a wire;
the blocking piece comprises two elastic pieces fixedly arranged in the connecting hole of the circuit breaker, the middle parts of the two elastic pieces are provided with blocking pieces, and the blocking pieces can swing along a set angle under the limit of the elastic pieces;
the outside of copper plugboard is equipped with the recess, the separation blade can insert in the recess in order to realize connecting hole and copper plugboard's fixed.
2. The connection structure for the meter box wiring of claim 1, wherein a locking member is arranged on the side surface of the aluminum mounting column, the tail end of the locking member penetrates through the side surface of the aluminum mounting column and then extends into the mounting hole, and the tail end of the locking member can press the lead to fix the lead and the mounting hole.
3. The connection structure for the meter box wiring according to claim 2, wherein the locking member is a screw, and a threaded hole is formed in a side surface of the aluminum mounting post and penetrates through a side wall of the aluminum mounting post.
4. The connection structure for the meter box wiring according to claim 1, wherein the copper insertion plate has a rectangular parallelepiped structure, and the groove is provided around an outer side surface of the copper insertion plate.
5. The connection structure for the meter box wiring according to claim 1, wherein a support piece is fixedly arranged at one end of the elastic piece, which is far away from the baffle piece, and an included angle is formed between the support piece and the baffle piece.
6. The connection structure for the electric meter box wiring according to claim 2, wherein the side surface of the aluminum mounting column includes a circular arc-shaped outer side surface and a flat surface, and the flat surface is provided with the locking member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921240654.6U CN210350143U (en) | 2019-07-31 | 2019-07-31 | Connection structure for meter box wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921240654.6U CN210350143U (en) | 2019-07-31 | 2019-07-31 | Connection structure for meter box wiring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210350143U true CN210350143U (en) | 2020-04-17 |
Family
ID=70218453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921240654.6U Expired - Fee Related CN210350143U (en) | 2019-07-31 | 2019-07-31 | Connection structure for meter box wiring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210350143U (en) |
-
2019
- 2019-07-31 CN CN201921240654.6U patent/CN210350143U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 Termination date: 20200731 |