CN216213182U - Plastic case leakage circuit breaker - Google Patents
Plastic case leakage circuit breaker Download PDFInfo
- Publication number
- CN216213182U CN216213182U CN202122393104.1U CN202122393104U CN216213182U CN 216213182 U CN216213182 U CN 216213182U CN 202122393104 U CN202122393104 U CN 202122393104U CN 216213182 U CN216213182 U CN 216213182U
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- Prior art keywords
- wall
- circuit breaker
- leakage circuit
- fixedly connected
- breaker body
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- 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
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- 239000004033 plastic Substances 0.000 title abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 45
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 238000002955 isolation Methods 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model discloses a plastic case leakage circuit breaker, which comprises a leakage circuit breaker body, wherein the outer wall of the leakage circuit breaker body is provided with an installation base, one side of the outer wall of the installation base is hinged with a connecting shell, and one side of the outer wall of the connecting shell is fixedly connected with a handle; the mounting base is internally provided with a mounting groove, and an insulating pad is arranged at the central axis inside the mounting groove. According to the leakage circuit breaker body, the screw rod is rotated, so that the fastening plate is driven to clamp and fix the leakage circuit breaker body, the leakage circuit breaker body is prevented from shaking during working, the leakage circuit breaker body cannot be damaged due to shaking, potential safety hazards to the leakage circuit breaker body are prevented, then the connection shell is hinged to the outer wall of the mounting base to play a role in isolation protection for the leakage circuit breaker body, the leakage circuit breaker body is dustproof, the protection effect is also achieved, the structure is simple, the installation is convenient, and safety guarantee can be provided.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a plastic shell leakage circuit breaker.
Background
The leakage plastic shell circuit breaker is composed of a zero sequence current transformer and a leakage tripper with overload and short circuit protection functions, has three protection functions of leakage, short circuit and overload, and is characterized by being free from the influence of voltage fluctuation, strong in anti-interference capability and free from an auxiliary working power supply.
When current electric leakage moulded case circuit breaker installs on some equipment, the normal work of circuit breaker is influenced easily to external vibrations, and the condition of electric leakage appears easily at the in-process that uses, is connecting the in-process together with the device with outside electric wire simultaneously, and the electric wire drops easily.
Therefore, it is necessary to provide a molded case leakage circuit breaker to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a plastic case leakage circuit breaker, which drives a fastening plate to clamp and fix a leakage circuit breaker body by rotating a screw rod, so that the leakage circuit breaker body is prevented from shaking during working, the leakage circuit breaker body can be protected by matching with an insulating pad, a compression spring and a reset spring, and a connecting shell plays a role in isolation protection on the leakage circuit breaker body, so as to solve the defects in the technology.
In order to achieve the above purpose, the utility model provides the following technical scheme: a plastic case leakage circuit breaker comprises a leakage circuit breaker body, wherein an installation base is arranged on the outer wall of the leakage circuit breaker body, a connecting shell is hinged to one side of the outer wall of the installation base, and a handle is fixedly connected to one side of the outer wall of the connecting shell;
the leakage circuit breaker is characterized in that a mounting groove is formed in the mounting base, an insulating pad is arranged in the central axis of the mounting groove, the bottom of the insulating pad is fixedly connected with the mounting base, the insulating pad is located under the leakage circuit breaker body, fastening plates are arranged on two sides of the outer wall of the leakage circuit breaker body, screws are fixedly connected to the outer wall of the fastening plates, the screws penetrate through the mounting base and extend to the outer wall of the mounting base, bearings are arranged at the joints of the screws and the mounting base, compression springs are fixedly connected between the fastening plates and the mounting groove, the number of the compression springs is two, and the number of the compression springs in each group is multiple;
the insulation pad comprises an insulation pad, sliding grooves, a fixing plate and a fixing plate, wherein the two sides of the inner wall of the insulation pad are respectively provided with a sliding groove, the number of the sliding grooves is two, the number of the sliding grooves in each group is two, the two groups of sliding grooves are symmetrically arranged at the position corresponding to the central axis of the insulation pad, the inner wall of each sliding groove is connected with a sliding rod in a sliding mode, the sliding rods penetrate through the sliding grooves and are fixedly connected with the fixing plate, one side, close to the sliding grooves, of the outer wall of each sliding rod is fixedly connected with a reset spring, and the reset springs are located inside the sliding grooves;
the wiring hole has been seted up to electric leakage circuit breaker body inner wall one side, the quantity in wiring hole sets up to a plurality ofly, the logical line hole has all been seted up to installation base inner wall both sides, it is corresponding with the wiring hole to lead to the line hole, spacing screw has been seted up to wiring hole outer wall one side, spacing screw inner wall threaded connection has fixing bolt, fixing bolt outer wall one side is equipped with the fixed plate.
Preferably, the mounting base outer wall both sides equal fixedly connected with mounting panel, the installation screw has all been seted up to mounting panel inner wall both sides, installation screw inner wall threaded connection has the construction bolt.
Preferably, the fastening plate outer wall is close to leakage circuit breaker body one side fixedly connected with insulating layer, the radiating groove has been seted up to the insulating pad inner wall, the quantity of radiating groove sets up to a plurality ofly.
Preferably, the cross-sectional shape of fixed plate sets up to the arc, the fixed plate is located wiring hole inside, fixed plate inner wall fixedly connected with rubber inoxidizing coating.
Preferably, the outer wall of the connecting shell is fixedly connected with an installation block, the outer wall of the installation base is fixedly connected with a connecting block on one side close to the installation block, the inner wall of the installation block is inserted with an insertion rod, and the insertion rod penetrates through the connecting block and is connected with the connecting block in a sliding manner.
Preferably, the movable groove has all been seted up to connecting block inner wall both sides, movable groove inner wall sliding connection has the slider, slider outer wall one side fixedly connected with spacing spring, spacing spring is located the movable inslot portion, the draw-in groove has been seted up to the inserted bar inner wall, draw-in groove and slider phase-match.
In the technical scheme, the utility model provides the following technical effects and advantages:
1. through rotating the screw rod, thereby drive the mounting plate and press from both sides tight fixed to the electric leakage circuit breaker body, prevent that the electric leakage circuit breaker body from rocking at the during operation production, cooperation insulating pad, compression spring and reset spring can cooperate the protection electric leakage circuit breaker body, can not cause the injury to the electric leakage circuit breaker body because of rocking, prevent to cause the potential safety hazard to the electric leakage circuit breaker body, connect the casing and play the effect of isolation protection to the electric leakage circuit breaker body, the utility model not only plays dirt-proof effect to the electric leakage circuit breaker body, still to having played the effect of protection, simple structure, the installation of being convenient for can provide the safety guarantee, protection operating personnel's life safety.
2. Through fixing the inserted bar installation piece with the connecting block, slider and draw-in groove phase-match carry out spacing fixed to the inserted bar to reach the fixed of connecting the casing, screw up limit screw simultaneously, make fixed plate and electric wire offset, support the external electric wire tightly and fix in the wiring hole, make rubber inoxidizing coating inseparable with the laminating of external electric wire, rubber inoxidizing coating has insulating nature simultaneously, but increase of service life when improving insulation reliability.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional top view of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 1 at A according to the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 1 at B.
Description of reference numerals:
1. a leakage breaker body; 2. installing a base; 3. connecting the shell; 4. mounting a plate; 5. mounting a screw hole; 6. installing a bolt; 7. mounting grooves; 8. an insulating pad; 9. a heat sink; 10. a fastening plate; 11. a chute; 12. a slide bar; 13. a return spring; 14. a compression spring; 15. a screw; 16. a wiring hole; 17. a limiting screw hole; 18. fixing the bolt; 19. a fixing plate; 20. a rubber protective layer; 21. a handle; 22. mounting blocks; 23. connecting blocks; 24. inserting a rod; 25. a card slot; 26. a movable groove; 27. a slider; 28. a limiting spring; 29. a through hole.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The utility model provides a plastic case residual current circuit breaker as shown in figures 1-5, which comprises a residual current circuit breaker body 1, wherein the outer wall of the residual current circuit breaker body 1 is provided with an installation base 2, one side of the outer wall of the installation base 2 is hinged with a connecting shell 3, and one side of the outer wall of the connecting shell 3 is fixedly connected with a handle 21;
the installation base 2 is internally provided with an installation groove 7, an insulation pad 8 is arranged in the central axis of the installation groove 7, the bottom of the insulation pad 8 is fixedly connected with the installation base 2, the insulation pad 8 is positioned under the leakage circuit breaker body 1, fastening plates 10 are arranged on two sides of the outer wall of the leakage circuit breaker body 1, a screw rod 15 is fixedly connected to the outer wall of the fastening plate 10, the screw rod 15 penetrates through the installation base 2 and extends to the outer wall of the installation base 2, a bearing is arranged at the joint of the screw rod 15 and the installation base 2, compression springs 14 are fixedly connected between the fastening plates 10 and the installation groove 7, the number of the compression springs 14 is two, and the number of the compression springs 14 in each group is multiple;
the two sides of the inner wall of the insulating pad 8 are respectively provided with a sliding groove 11, the number of the sliding grooves 11 is two, the number of the sliding grooves 11 in each group is two, the two groups of the sliding grooves 11 are symmetrically arranged around the central axis of the insulating pad 8, the inner wall of the sliding groove 11 is connected with a sliding rod 12 in a sliding manner, the sliding rod 12 penetrates through the sliding groove 11 and is fixedly connected with the fastening plate 10, one side, close to the sliding groove 11, of the outer wall of the sliding rod 12 is fixedly connected with a reset spring 13, and the reset spring 13 is located inside the sliding groove 11;
wiring hole 16 has been seted up to 1 inner wall one side of electric leakage circuit breaker body, the quantity of wiring hole 16 sets up to a plurality ofly, 2 inner wall both sides of installation base have all been seted up and have been led to line hole 29, it is corresponding with wiring hole 16 to lead to line hole 29, spacing screw 17 has been seted up to 16 outer wall one sides in wiring hole, 17 inner wall threaded connection of spacing screw has fixing bolt 18, 18 outer wall one side of fixing bolt is equipped with fixed plate 19.
Further, in the above technical scheme, the mounting plate 4 is fixedly connected to two sides of the outer wall of the mounting base 2, the mounting screw holes 5 are formed in two sides of the inner wall of the mounting plate 4, and the inner wall of each mounting screw hole 5 is in threaded connection with the mounting bolt 6.
Further, in the above technical scheme, the outer wall of the fastening plate 10 is close to one side of the residual current circuit breaker body 1 and is fixedly connected with an insulating layer, the inner wall of the insulating pad 8 is provided with a plurality of heat dissipation grooves 9, and the number of the heat dissipation grooves 9 is set to be a plurality.
Further, in the above technical solution, the cross-sectional shape of the fixing plate 19 is an arc, the fixing plate 19 is located inside the wiring hole 16, and a rubber protection layer 20 is fixedly connected to the inner wall of the fixing plate 19.
Further, in the above technical solution, one side of the outer wall of the connecting housing 3 is fixedly connected with an installation block 22, one side of the outer wall of the installation base 2, which is close to the installation block 22, is fixedly connected with a connection block 23, an insertion rod 24 is inserted into the inner wall of the installation block 22, and the insertion rod 24 penetrates through the connection block 23 and is slidably connected with the connection block 23.
Further, in the above technical scheme, movable grooves 26 have all been seted up to connecting block 23 inner wall both sides, movable groove 26 inner wall sliding connection has slider 27, slider 27 outer wall one side fixedly connected with spacing spring 28, spacing spring 28 is located movable groove 26 inside, draw-in groove 25 has been seted up to inserted bar 24 inner wall, draw-in groove 25 and slider 27 phase-match.
This practical theory of operation:
referring to the attached drawings 1-5 of the specification, when the utility model is used, after the installation base 2 is placed at a required place, the installation is convenient by screwing the installation bolt 6 and the installation screw hole 5 on the relevant equipment, meanwhile, the leakage breaker body 1 is placed on the outer wall of the insulating pad 8, then the screw 15 is rotated, thereby driving the fastening plate 10 to clamp and fix the leakage breaker body 1, preventing the leakage breaker body 1 from shaking during operation, being matched with the insulating pad 8, the compression spring 14 and the reset spring 13 to protect the leakage breaker body 1, avoiding the damage to the leakage breaker body 1 caused by shaking and preventing the potential safety hazard to the leakage breaker body 1, thereby prolonging the service life of the leakage breaker body 1, and then playing the role of isolation protection to the leakage breaker body 1 by hinging the connection shell 3 on the outer wall of the installation base 2, the installation base 2 can also protect the electric leakage circuit breaker 1 body from being influenced by other natural environment factors, the utility model not only plays a dustproof role in the electric leakage circuit breaker body 1, but also plays a protective role, has simple structure, is convenient to install, can provide safety guarantee and protects the life safety of operators.
Referring to fig. 1-5 of the drawings, in use, the present invention, by fixing the mounting block 22 to the connecting block 23 by means of the insertion rod 24, then, the slide block 27 is matched with the clamping groove 25 through the mutual matching of the limit spring 28 and the slide block 27, the inserting rod 24 is limited and fixed, so that the connecting shell 3 is fixed, meanwhile, through holes 29 are arranged on the two sides of the inner wall of the mounting base 2, after external electric wires pass through the through holes 29 and the wiring holes 16, then the fixing bolt 18 is screwed down to make the fixing plate 19 abut against the electric wire, the external electric wire is abutted and fixed in the wiring hole 16, the rubber protective layer 20 is tightly attached to the external electric wire, the connection work between the external electric wire and the leakage circuit breaker body 1 is conveniently completed, and the stability of the external electric wire can be improved, meanwhile, the rubber protective layer 20 has insulation, so that the insulation reliability is improved, and the service life is prolonged.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.
Claims (6)
1. The utility model provides a moulded case electric leakage circuit breaker, includes electric leakage circuit breaker body (1), its characterized in that: the outer wall of the residual current circuit breaker body (1) is provided with an installation base (2), one side of the outer wall of the installation base (2) is hinged with a connecting shell (3), and one side of the outer wall of the connecting shell (3) is fixedly connected with a handle (21);
an installation groove (7) is arranged in the installation base (2), an insulation pad (8) is arranged on the central axis in the installation groove (7), the bottom of the insulating pad (8) is fixedly connected with the mounting base (2), the insulating pad (8) is positioned under the leakage circuit breaker body (1), the two sides of the outer wall of the leakage circuit breaker body (1) are respectively provided with a fastening plate (10), the outer wall of the fastening plate (10) is fixedly connected with a screw rod (15), the screw rod (15) penetrates through the mounting base (2) and extends to the outer wall of the mounting base (2), a bearing is arranged at the joint of the screw rod (15) and the mounting base (2), a compression spring (14) is fixedly connected between the fastening plate (10) and the mounting groove (7), the number of the compression springs (14) is two groups, and the number of the compression springs (14) in each group is multiple;
the insulation pad is characterized in that sliding grooves (11) are formed in two sides of the inner wall of the insulation pad (8), the number of the sliding grooves (11) is set to be two, the number of the sliding grooves (11) in each group is set to be two, the two groups of the sliding grooves (11) are symmetrically arranged relative to the central axis of the insulation pad (8), sliding rods (12) are connected to the inner wall of the sliding grooves (11) in a sliding mode, the sliding rods (12) penetrate through the sliding grooves (11) and are fixedly connected with the fastening plate (10), a reset spring (13) is fixedly connected to one side, close to the sliding grooves (11), of the outer wall of each sliding rod (12), and the reset spring (13) is located inside the corresponding sliding groove (11);
wiring hole (16) have been seted up to electric leakage circuit breaker body (1) inner wall one side, the quantity of wiring hole (16) sets up to a plurality ofly, installation base (2) inner wall both sides have all been seted up and have been led to line hole (29), it is corresponding with wiring hole (16) to lead to line hole (29), spacing screw (17) have been seted up to wiring hole (16) outer wall one side, spacing screw (17) inner wall threaded connection has fixing bolt (18), fixing bolt (18) outer wall one side is equipped with fixed plate (19).
2. A molded case leakage circuit breaker according to claim 1, characterized in that: the mounting structure is characterized in that mounting plates (4) are fixedly connected to two sides of the outer wall of the mounting base (2), mounting screw holes (5) are formed in two sides of the inner wall of each mounting plate (4), and mounting bolts (6) are connected to the inner wall of each mounting screw hole (5) in a threaded mode.
3. A molded case leakage circuit breaker according to claim 1, characterized in that: the outer wall of the fastening plate (10) is close to one side of the residual current circuit breaker body (1) and is fixedly connected with an insulating layer, heat dissipation grooves (9) are formed in the inner wall of the insulating pad (8), and the number of the heat dissipation grooves (9) is multiple.
4. A molded case leakage circuit breaker according to claim 1, characterized in that: the cross-sectional shape of fixed plate (19) sets up to the arc, fixed plate (19) are located wiring hole (16) inside, fixed plate (19) inner wall fixedly connected with rubber protection layer (20).
5. A molded case leakage circuit breaker according to claim 1, characterized in that: connect casing (3) outer wall one side fixedly connected with installation piece (22), installation base (2) outer wall is close to installation piece (22) one side fixedly connected with connecting block (23), it has inserted bar (24) to peg graft in installation piece (22) inner wall, inserted bar (24) through-connection piece (23), and with connecting block (23) sliding connection.
6. A molded case leakage circuit breaker according to claim 5, characterized in that: activity groove (26) have all been seted up to connecting block (23) inner wall both sides, activity groove (26) inner wall sliding connection has slider (27), slider (27) outer wall one side fixedly connected with spacing spring (28), spacing spring (28) are located activity groove (26) inside, draw-in groove (25) have been seted up to inserted bar (24) inner wall, draw-in groove (25) and slider (27) phase-match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122393104.1U CN216213182U (en) | 2021-09-30 | 2021-09-30 | Plastic case leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122393104.1U CN216213182U (en) | 2021-09-30 | 2021-09-30 | Plastic case leakage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216213182U true CN216213182U (en) | 2022-04-05 |
Family
ID=80859460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122393104.1U Expired - Fee Related CN216213182U (en) | 2021-09-30 | 2021-09-30 | Plastic case leakage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216213182U (en) |
-
2021
- 2021-09-30 CN CN202122393104.1U patent/CN216213182U/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: 20220405 |