CN216212937U - High-stability fixed contact for circuit breaker - Google Patents
High-stability fixed contact for circuit breaker Download PDFInfo
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- CN216212937U CN216212937U CN202122471394.7U CN202122471394U CN216212937U CN 216212937 U CN216212937 U CN 216212937U CN 202122471394 U CN202122471394 U CN 202122471394U CN 216212937 U CN216212937 U CN 216212937U
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- circuit breaker
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Abstract
The utility model discloses a high-stability fixed contact for a circuit breaker, which comprises a shell, wherein a plurality of connecting holes are formed in the upper end of the shell, a plurality of fixing threaded holes are formed in the front side of the shell, a rotary threaded block is installed on each fixing threaded hole, a second fixing shell is fixedly connected to the upper end of the shell, a first fixing shell is rotatably connected to the front side of the second fixing shell through a hinge, semicircular grooves are formed in the upper ends of the first fixing shell and the second fixing shell, a clamping block is rotatably connected to the left side of the first fixing shell, a clamping groove is formed in the left side of the second fixing shell, and a fixing plate is arranged on the rear side of the shell. The device is through setting up first set casing and second set casing isotructure, can effectual protection electric wire and the junction of circuit breaker, has improved the life of electric wire to the coupling mechanism isotructure that sets up can realize quick installation and dismantlement, and the later stage staff of being convenient for maintains the operation.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a fixed contact for a circuit breaker with high stability.
Background
The circuit breaker is a switching device which can close, bear and break the current under the condition of a normal loop and can close, bear and break the current under the condition of an abnormal loop within a specified time, the circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the using range of the circuit breaker, the division of the high-voltage and low-voltage boundary lines is fuzzy, and the circuit breaker is generally called a high-voltage electrical appliance with the voltage of more than 3 kV;
when the installation circuit breaker, fix the circuit breaker earlier, install the wire end in the connecting hole of circuit breaker afterwards, but current circuit breaker does not set up the protection machanism to the electric wire, in the routine maintenance operation, causes the damage to the electric wire easily, influences life to current circuit breaker passes through bolt isotructure and fixes, and it is more troublesome to dismantle the installation, influences the maintenance efficiency in staff's later stage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a fixed contact for a circuit breaker with high stability.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a high fixed contact for circuit breaker of stability, includes the casing, the upper end of casing is equipped with a plurality of connecting holes, the front side of casing is equipped with a plurality of fixed screw holes, every all install rotatory thread piece on the fixed screw hole, the upper end fixedly connected with second set casing of casing, the front side of second set casing is rotated through the hinge and is connected with first set casing, the upper end of first set casing and second set casing all is equipped with the half slot, the left side of first set casing is rotated and is connected with the fixture block, the left side of second set casing is equipped with the draw-in groove, the rear side of casing is equipped with the fixed plate, be equipped with a plurality of fixed orificess on the fixed plate, every install the bolt on the fixed orifices, be equipped with coupling mechanism between casing and the fixed plate.
Preferably, the connecting mechanism comprises a connecting block fixedly connected to the front side of the fixing plate, a placing groove is formed in the upper end of the connecting block, a first connecting plate is fixedly connected to the rear side of the shell, a second connecting plate is fixedly connected to the lower end of the first connecting plate, and the second connecting plate is located in the placing groove.
Preferably, the left side of the connecting block is provided with a limiting groove, the left side of the second connecting plate is provided with a sliding groove, a moving block is arranged in the sliding groove, and the left side of the moving block is elastically connected with the inner wall of the right side of the sliding groove through a plurality of springs.
Preferably, the right side of the moving block is provided with a plurality of guide grooves, the inner wall of the right side of the sliding groove is fixedly connected with a plurality of guide rods, and the left end of each guide rod is located in the corresponding guide groove.
Preferably, the front side of each rotary thread block is fixedly connected with an operation block, and the operation block is sleeved with anti-skid rubber.
Preferably, each of the inner walls of the semicircular grooves is provided with a spongy cushion, and the first fixing shell and the second fixing shell are made of plastics.
Compared with the prior art, the device has the advantages that:
1. according to the utility model, through the arrangement of the first fixing shell, the second fixing shell, the semicircular groove, the clamping block, the clamping groove and other structures, the first fixing shell can be fixed at the front side of the second fixing shell through the clamping block and the clamping groove, and the semicircular groove and the sponge pad can effectively protect the electric wire and prolong the service life of the electric wire.
2. According to the shell fixing device, the connecting mechanism, the sliding groove and other structures are arranged, the moving block is pressed and placed in the placing groove, and the moving block can be moved into the limiting groove under the action of the spring, so that the shell is fixed, the shell fixing device is simple and rapid to operate, and the shell fixing device is easy to detach and maintain in the later period.
3. According to the utility model, through the arrangement of the structures such as the operating block, the guide groove and the guide rod, the electric wire is fixed by the rotating thread block which is convenient for workers to rotate through the operating block, and the movable block can be ensured to move left and right stably through the design of the guide rod and the guide groove, so that the installation and disassembly operations of the workers are convenient.
Drawings
Fig. 1 is a schematic structural diagram of a fixed contact for a circuit breaker with high stability according to the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a side view of FIG. 1;
fig. 5 is a plan view of the first stationary case and the second stationary case.
In the figure: the device comprises a shell 1, a fixing plate 2, a bolt 3, a rotary thread block 4, a first fixing shell 5, a clamping block 6, an operation block 7, a first connecting plate 8, a second fixing shell 9, a semicircular groove 10, a connecting block 11, a second connecting plate 12, a placing groove 13, a limiting groove 14, a sliding groove 15, a guide groove 16, a guide rod 17, a spring 18, a moving block 19 and a clamping groove 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a fixed contact for a circuit breaker with high stability comprises a housing 1, wherein the upper end of the housing 1 is provided with a plurality of connecting holes, the connecting holes are internally provided with spring leaves for connecting an electric wire with the circuit breaker, the front side of the housing 1 is provided with a plurality of fixing threaded holes, each fixing threaded hole is provided with a rotary threaded block 4, the connecting holes are communicated with the fixing threaded holes, the electric wire can be fixed in the connecting holes through the rotary threaded blocks 4, the upper end of the housing 1 is fixedly connected with a second fixing shell 9, the front side of the second fixing shell 9 is rotatably connected with a first fixing shell 5 through hinges, the upper ends of the first fixing shell 5 and the second fixing shell 9 are respectively provided with a semicircular groove 10, the left side of the first fixing shell 5 is rotatably connected with a clamping block 6, the left side of the second fixing shell 9 is provided with a clamping groove 20, the clamping block 6 can be clamped in the clamping groove 20, so as to fix the first fixing shell 5, the rear side of casing 1 is equipped with fixed plate 2, is equipped with a plurality of fixed orificess on the fixed plate 2, installs bolt 3 on every fixed orificess, and fixed plate 2 can be fixed on wall or other equipment through bolt 3.
In the utility model, a connecting mechanism is arranged between a shell 1 and a fixed plate 2, the connecting mechanism comprises a connecting block 11 fixedly connected with the front side of the fixed plate 2, the upper end of the connecting block 11 is provided with a placing groove 13, the rear side of the shell 1 is fixedly connected with a first connecting plate 8, the lower end of the first connecting plate 8 is fixedly connected with a second connecting plate 12, the second connecting plate 12 is positioned in the placing groove 13, the left side of the connecting block 11 is provided with a limiting groove 14, the left side of the second connecting plate 12 is provided with a sliding groove 15, a moving block 19 is arranged in the sliding groove 15, the left side of the moving block 19 is elastically connected with the inner wall of the right side of the sliding groove 15 through a plurality of springs 18, when the moving block 19 is leftwards moved in the limiting groove 14, the shell 1 can be prevented from accidentally moving upwards and falling, the fixing effect of the device is improved, the right side of the moving block 19 is provided with a plurality of guide grooves 16, the inner wall of the right side of the sliding groove 15 is fixedly connected with a plurality of guide rods 17, the left end of each guide rod 17 is positioned in the corresponding guide groove 16, so that the movable block 19 can only move;
the equal fixed connection operation piece 7 of the front side of every rotatory screw thread piece 4, all the cover is equipped with anti-skidding rubber on the operation piece 7, the staff's operation of being convenient for, and the foam-rubber cushion is all installed to the inner wall of every half slot 10, can effectual protection electric wire, and the material of first set casing 5 and second set casing 9 is plastics.
When the wire end fixing device is used, the fixing plate 2 is firstly installed at a proper position through the bolt 3, then the moving block 19 on the left side of the second connecting plate 12 on the rear side of the shell 1 is pressed, the moving block 19 is moved to the right, the moving block 19 and the second connecting plate 12 are inserted into the placing groove 13, the moving block 19 is loosened, when the upper end of the moving block 19 moves downwards to the placing groove 13, the moving block 19 moves to the left into the placing groove 13 under the action of the spring 18, so that the shell 1 is fixed, finally, the first fixing shell 5 is opened through the fixture block 6, the stripped wire end is inserted into the connecting hole, the wire end is fixed through the rotating thread block 4, and the first fixing shell 5 is fixed through the fixture block 6;
the device is through setting up first set casing 5 and 9 isotructures of second set casing, and the life of electric wire has been improved to the junction that can effectual protection electric wire and circuit breaker to the coupling mechanism isotructure that sets up can realize quick installation and dismantlement, and the later stage staff of being convenient for maintains the operation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The fixed contact for the circuit breaker with high stability comprises a shell (1) and is characterized in that a plurality of connecting holes are formed in the upper end of the shell (1), a plurality of fixing threaded holes are formed in the front side of the shell (1), a rotary threaded block (4) is installed on each fixing threaded hole, a second fixing shell (9) is fixedly connected to the upper end of the shell (1), a first fixing shell (5) is rotatably connected to the front side of the second fixing shell (9) through a hinge, semicircular grooves (10) are formed in the upper ends of the first fixing shell (5) and the second fixing shell (9), a clamping block (6) is rotatably connected to the left side of the first fixing shell (5), a clamping groove (20) is formed in the left side of the second fixing shell (9), a fixing plate (2) is arranged on the rear side of the shell (1), a plurality of fixing holes are formed in the fixing plate (2), each fixing hole is provided with a bolt (3), and a connecting mechanism is arranged between the shell (1) and the fixing plate (2).
2. The fixed contact for the circuit breaker with high stability according to claim 1, wherein the connecting mechanism comprises a connecting block (11) fixedly connected to the front side of the fixing plate (2), a placing groove (13) is formed at the upper end of the connecting block (11), a first connecting plate (8) is fixedly connected to the rear side of the housing (1), a second connecting plate (12) is fixedly connected to the lower end of the first connecting plate (8), and the second connecting plate (12) is located in the placing groove (13).
3. The fixed contact for the circuit breaker with high stability according to claim 2, wherein a limiting groove (14) is provided on the left side of the connecting block (11), a sliding groove (15) is provided on the left side of the second connecting plate (12), a moving block (19) is provided in the sliding groove (15), and the left side of the moving block (19) is elastically connected with the right inner wall of the sliding groove (15) through a plurality of springs (18).
4. The fixed contact for the circuit breaker with high stability according to claim 3, wherein a plurality of guide grooves (16) are formed on the right side of the moving block (19), a plurality of guide rods (17) are fixedly connected to the inner wall of the right side of the sliding groove (15), and the left end of each guide rod (17) is located in the corresponding guide groove (16).
5. The fixed contact for the circuit breaker with high stability according to claim 1, wherein the front side of each rotating thread block (4) is fixedly connected with an operation block (7), and the operation block (7) is sleeved with anti-skid rubber.
6. The fixed contact for the circuit breaker with high stability according to claim 1, wherein a sponge pad is mounted on the inner wall of each semicircular groove (10), and the first fixed shell (5) and the second fixed shell (9) are made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122471394.7U CN216212937U (en) | 2021-10-14 | 2021-10-14 | High-stability fixed contact for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122471394.7U CN216212937U (en) | 2021-10-14 | 2021-10-14 | High-stability fixed contact for circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216212937U true CN216212937U (en) | 2022-04-05 |
Family
ID=80865809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122471394.7U Active CN216212937U (en) | 2021-10-14 | 2021-10-14 | High-stability fixed contact for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216212937U (en) |
-
2021
- 2021-10-14 CN CN202122471394.7U patent/CN216212937U/en active Active
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