CN215869185U - Combined small-sized leakage circuit breaker - Google Patents
Combined small-sized leakage circuit breaker Download PDFInfo
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- CN215869185U CN215869185U CN202122103495.9U CN202122103495U CN215869185U CN 215869185 U CN215869185 U CN 215869185U CN 202122103495 U CN202122103495 U CN 202122103495U CN 215869185 U CN215869185 U CN 215869185U
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- side wall
- opening shell
- fixedly connected
- plate
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- 238000003780 insertion Methods 0.000 claims abstract description 26
- 230000037431 insertion Effects 0.000 claims abstract description 26
- 230000005855 radiation Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 17
- 230000000694 effects Effects 0.000 description 9
- 230000017525 heat dissipation Effects 0.000 description 7
- 239000000428 dust Substances 0.000 description 5
- 238000007664 blowing Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 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
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Abstract
The utility model belongs to the technical field of circuit breakers, and particularly relates to a combined small residual current circuit breaker which comprises an opening shell, a circuit breaker body and an installation mechanism, wherein the opening shell is provided with a first opening; the breaker body is arranged inside the opening shell; the mounting mechanism is arranged on the outer side wall of the opening shell; the mounting mechanism comprises a mounting plate, a positioning block, a push plate and an insertion rod; the side wall of the mounting plate is provided with a positioning hole; the inner wall of the positioning hole is provided with an insertion hole; the positioning block is fixedly connected to the outer side wall of the opening shell; the positioning block is in sliding fit with the positioning hole; a cavity is arranged inside the positioning block; the side wall of the opening shell is provided with an L-shaped hole, and the L-shaped hole is communicated with the cavity; the push plate is connected in the cavity in a sliding manner; the inserted link is fixedly connected with the side wall of the push plate; the design is very convenient for the installation of the opening shell with the breaker body, and the structure is convenient to disassemble.
Description
Technical Field
The utility model belongs to the technical field of circuit breakers, and particularly relates to a combined small-sized residual current circuit breaker.
Background
In a house of a family, a small-sized earth leakage breaker is generally arranged, and the earth leakage breaker is a current limiting type breaker with overload and short-circuit protection.
In the prior art, a small residual current circuit breaker is generally fixed on a wall body through screws, and then the small residual current circuit breaker is installed.
However, the installation method needs a specific installation tool, the installation efficiency is low, and the screw thread is easily damaged after the screw is repeatedly disassembled and assembled, so that the small residual current circuit breaker cannot be stably installed on a wall, and the normal use of the small residual current circuit breaker is further influenced; therefore, the utility model provides a combined small-sized residual current circuit breaker.
SUMMERY OF THE UTILITY MODEL
The combined small-sized leakage circuit breaker provided by the utility model aims to make up for the defects of the prior art and solve the problems that the installation efficiency of the existing installation mode is low, and the threads are easily damaged after the screws are repeatedly disassembled and assembled, so that the small-sized leakage circuit breaker cannot be stably installed on a wall body, and the normal use of the small-sized leakage circuit breaker is influenced.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a combined small residual current circuit breaker, which comprises an opening shell, a circuit breaker body and an installation mechanism; the breaker body is arranged inside the opening shell; the mounting mechanism is arranged on the outer side wall of the opening shell; the mounting mechanism comprises a mounting plate, a positioning block, a push plate and an insertion rod; the side wall of the mounting plate is provided with a positioning hole; the inner wall of the positioning hole is provided with an insertion hole; the positioning block is fixedly connected to the outer side wall of the opening shell; the positioning block is in sliding fit with the positioning hole; a cavity is arranged inside the positioning block; the side wall of the opening shell is provided with an L-shaped hole, and the L-shaped hole is communicated with the cavity; the push plate is connected in the cavity in a sliding manner; the inserted link is fixedly connected with the side wall of the push plate; the inserted bar penetrates through one side of the positioning hole; the inserted bar is in sliding fit with the jack; an L-shaped rod is fixedly connected to one side of the push plate; the L-shaped rod is connected in the L-shaped hole in a sliding manner; the opening shell with the breaker body is very convenient to install and convenient to disassemble.
Furthermore, one end of the L-shaped rod, which is positioned outside the L-shaped hole, is provided with a limiting mechanism; the limiting mechanism comprises a sleeve, a strip-shaped plate and a limiting plate; the outer wall of the L-shaped rod at one end outside the L-shaped hole is fixedly connected with an annular bulge; the inner wall of the sleeve is provided with an annular groove; the sleeve is sleeved at the end part of the L-shaped rod, and the annular bulge is connected in the annular groove in a sliding manner; the strip-shaped plate is fixedly connected to the outer wall of the sleeve; the limiting plate is fixedly connected to the outer side wall of the opening shell; one side of the limiting plate, which is close to the L-shaped rod, is provided with a limiting groove; the strip-shaped plate is in sliding fit with the limiting groove; the fixing effect of the opening shell is improved.
Further, the outer wall of the positioning block is fixedly connected with a rubber layer, and the interior of the rubber layer is hollow; an air bag is arranged inside the cavity; the air bag is communicated with the inside of the rubber layer; so that the positioning block is tightly fixed in the positioning hole.
Further, an elastic layer is fixedly connected to the inner wall of the limiting groove; the distance between the elastic layer and the elastic layer is smaller than the thickness of the strip plate; the friction force between the strip-shaped plate and the limiting groove is increased, so that the strip-shaped plate is fixed in the limiting groove.
Further, the outer side wall of the opening shell is fixedly connected with the motor; an output shaft of the motor is fixedly connected with a threaded rod, and the other end of the threaded rod is rotatably connected to the inner side wall of the opening shell through a bearing seat; the inner side wall of the bottom of the opening shell is provided with a sliding chute; a sliding block is connected in the sliding groove in a sliding manner; the threaded rod penetrates through the sliding block and is rotationally connected with the sliding block; the blowing range of the cooling fan is enlarged, and the cooling fan realizes heat dissipation of the circuit breaker body, so that the small-sized leakage circuit breaker can be operated better, and the use safety of a user cannot be influenced.
Furthermore, the threaded rod is connected with the sliding block through a screw rod nut pair; a heat radiation fan is arranged at the top of the sliding block; the mounting plate is fixed on the wall body.
The utility model has the following beneficial effects:
1. according to the combined type small-sized residual current circuit breaker, the installation mechanism is arranged, when the opening shell is installed, the positioning hole is inserted into the positioning hole, the L-shaped rod is pushed, the L-shaped rod drives the push plate and the insertion rod to move, the insertion rod is inserted into the insertion hole, the positioning block is fixed in the positioning hole, when the opening shell with the circuit breaker body is fixed on the installation plate, and the installation plate is fixed on a wall body, so that the opening shell with the circuit breaker body can be quickly installed, the installation effect is good, the installation efficiency is high, the installation is very convenient, and the structure is convenient to disassemble.
2. According to the combined type small residual current circuit breaker, due to the arrangement of the limiting mechanism, when the position of the L-shaped rod needs to be fixed, the sleeve drives the strip-shaped plate to rotate, the strip-shaped plate enters the limiting groove, the position of the L-shaped rod is limited, the inserted rod is always located in the inserted hole, and the fixing effect of the opening shell is improved.
Drawings
The utility model will be further explained with reference to the drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic partial cross-sectional view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 2;
FIG. 5 is a partial enlarged view of FIG. 4 at B;
FIG. 6 is a drawing of the second embodiment;
in the figure: 1. an open housing; 2. a circuit breaker body; 31. mounting a plate; 32. positioning blocks; 33. pushing the plate; 34. inserting a rod; 35. positioning holes; 36. a jack; 37. a cavity; 38. an L-shaped hole; 39. an L-shaped rod; 41. a sleeve; 42. a strip plate; 43. a limiting plate; 44. an annular projection; 45. an annular groove; 46. a limiting groove; 51. a rubber layer; 52. an air bag; 6. an elastic layer; 71. a motor; 72. a threaded rod; 73. a chute; 74. a slider; 75. a heat radiation fan; 8. heat dissipation dust screen.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
Example one
As shown in fig. 1 to 5, the combined small residual current circuit breaker of the present invention comprises an opening housing 1, a circuit breaker body 2 and a mounting mechanism; the breaker body 2 is installed inside the opening shell 1; the mounting mechanism is arranged on the outer side wall of the opening shell 1; the mounting mechanism comprises a mounting plate 31, a positioning block 32, a push plate 33 and an insertion rod 34; a positioning hole 35 is formed in the side wall of the mounting plate 31; the inner wall of the positioning hole 35 is provided with an insertion hole 36; the positioning block 32 is fixedly connected to the outer side wall of the opening shell 1; the positioning block 32 and the positioning hole 35 are in sliding fit; a cavity 37 is arranged inside the positioning block 32; an L-shaped hole 38 is formed in the side wall of the opening shell 1, and the L-shaped hole 38 is communicated with the cavity 37; the push plate 33 is slidably connected in the cavity 37; the inserting rod 34 is fixedly connected with the side wall of the push plate 33; the insertion rod 34 penetrates through one side of the positioning hole 35; the inserting rod 34 and the inserting hole 36 are in sliding fit; an L-shaped rod 39 is fixedly connected to one side of the push plate 33; the L-shaped rod 39 is slidably connected in the L-shaped hole 38; when the opening shell 1 is installed, the positioning hole 35 is firstly inserted into the positioning hole 35, then the L-shaped rod 39 is pushed, so that the L-shaped rod 39 drives the push plate 33 to move, and then the push plate 33 drives the insertion rod 34 to move, and the insertion rod 34 is inserted into the insertion hole 36, so that the positioning block 32 is fixed in the positioning hole 35, and the positioning block 32 is fixed, at this time, the opening housing 1 with the breaker body 2 is fixed on the mounting plate 31, and the mounting plate 31 is fixed on the wall body, the fixation of the opening shell 1 with the breaker body 2 is realized, the opening shell 1 with the breaker body 2 is very convenient to install, has good installation effect, high installation efficiency and very convenient installation, and the structure is convenient to disassemble, when the breaker body 2 is replaced, the opening case 1 is simply detached from the surface of the mounting plate 31, and at this time, a new opening case 1 (with the breaker body 2) is mounted on the mounting plate 31.
One end of the L-shaped rod 39, which is positioned outside the L-shaped hole 38, is provided with a limiting mechanism; the limiting mechanism comprises a sleeve 41, a strip-shaped plate 42 and a limiting plate 43; an annular bulge 44 is fixedly connected to the outer wall of the L-shaped rod 39 at one end outside the L-shaped hole 38; an annular groove 45 is formed in the inner wall of the sleeve 41; the sleeve 41 is sleeved at the end part of the L-shaped rod 39, and the annular bulge 44 is connected in the annular groove 45 in a sliding manner; the strip-shaped plate 42 is fixedly connected to the outer wall of the sleeve 41; the limiting plate 43 is fixedly connected to the outer side wall of the opening shell 1; a limiting groove 46 is formed in one side, close to the L-shaped rod 39, of the limiting plate 43; the strip-shaped plate 42 is in sliding fit with the limiting groove 46; during operation, after the insertion rod 34 is inserted into the insertion hole 36, the position of the L-shaped rod 39 needs to be fixed, at this time, the sleeve 41 is rotated, so that the strip-shaped plate 42 rotates, the strip-shaped plate 42 enters the limiting groove 46, the position of the strip-shaped plate 42 is limited, and further the position of the L-shaped rod 39 is limited, at this time, the insertion rod 34 is always positioned in the insertion hole 36, so that the insertion rod 34 cannot easily leave the insertion hole 36, and the fixing effect on the open-top housing 1 is improved; the cooperation of the annular projection 44 and the annular groove 45 allows the sleeve 41 to rotate at the end of the L-shaped rod 39 without falling out.
The outer wall of the positioning block 32 is fixedly connected with a rubber layer 51, and the interior of the rubber layer 51 is hollow; an air bag 52 is arranged inside the cavity 37; the air bag 52 is communicated with the inside of the rubber layer 51; the inner wall of the limiting groove 46 is fixedly connected with an elastic layer 6; the distance between the elastic layer 6 and the elastic layer 6 is less than the thickness of the strip-shaped plate 42; in operation, after the T-shaped rod drives the push plate 33 to move, the push plate 33 is made to press the air bag 52, so that the gas in the air bag 52 enters the rubber layer 51, the rubber layer 51 is made to expand, and then the positioning block 32 is tightly fixed in the positioning hole 35; after the strip-shaped plate 42 rotates along with the sleeve 41, the strip-shaped plate enters the limiting groove 46 and extrudes the elastic layer 6, so that the friction force between the strip-shaped plate 42 and the limiting groove 46 is increased, and the strip-shaped plate 42 is fixed in the limiting groove 46.
The outer side wall of the open shell 1 is fixedly connected with a motor 71; an output shaft of the motor 71 is fixedly connected with a threaded rod 72, and the other end of the threaded rod 72 is rotatably connected to the inner side wall of the opening shell 1 through a bearing seat; the inner side wall of the bottom of the opening shell 1 is provided with a sliding groove 73; a sliding block 74 is connected in the sliding groove 73 in a sliding manner; the threaded rod 72 penetrates through the sliding block 74 and is in rotary connection with the sliding block 74; the threaded rod 72 is connected with the sliding block 74 through a screw-nut pair; a heat radiation fan 75 is installed on the top of the sliding block 74; the mounting plate 31 is fixed on a wall body; during operation, motor 71 drives threaded rod 72 and rotates, and through screw-nut's principle, will make slider 74 horizontal slip in spout 73, and then slider 74 drives radiator fan 75 and removes, has increased radiator fan 75's the scope of blowing, and radiator fan 75 realizes the heat dissipation to circuit breaker body 2 for operation that small-size earth leakage circuit breaker can be better can not influence user's safety in utilization.
Example two
Referring to fig. 6, in a first comparative example, as another embodiment of the present invention, a heat dissipation dust screen 8 is disposed on the top of the open shell 1; the setting of heat dissipation dust screen 8 for the area of contact increase of circuit breaker body 2 and air improves the radiating effect to circuit breaker body 2, and heat dissipation dust screen 8 can block the dust and fall on the surface of circuit breaker body 2 simultaneously, has better dustproof effect.
The working principle is as follows: when the opening shell 1 is installed, the positioning hole 35 is firstly inserted into the positioning hole 35, then the L-shaped rod 39 is pushed, the L-shaped rod 39 drives the push plate 33 to move, then the push plate 33 drives the insertion rod 34 to move, the insertion rod 34 is inserted into the insertion hole 36, the positioning block 32 is fixed in the positioning hole 35, and the positioning block 32 is fixed, at the moment, the opening shell 1 with the breaker body 2 is fixed on the mounting plate 31, and the mounting plate 31 is fixed on a wall body, so that the opening shell 1 with the breaker body 2 is fixed, the opening shell 1 with the breaker body 2 is very convenient to install, and the structure is convenient to disassemble; after the inserting rod 34 is inserted into the inserting hole 36, the position of the L-shaped rod 39 needs to be fixed, at this time, the sleeve 41 is rotated, so that the strip-shaped plate 42 rotates, the strip-shaped plate 42 enters the limiting groove 46, the elastic layer 6 is extruded, the friction force between the strip-shaped plate 42 and the limiting groove 46 is increased, the strip-shaped plate 42 is fixed in the limiting groove 46, the position of the strip-shaped plate 42 is limited, the position of the L-shaped rod 39 is further limited, at this time, the inserting rod 34 is always located in the inserting hole 36, the inserting rod 34 cannot easily leave the inserting hole 36, and the fixing effect of the open-mouthed shell 1 is improved; when the T-shaped rod drives the push plate 33 to move, the push plate 33 is made to press the air bag 52, so that the gas in the air bag 52 enters the rubber layer 51, the rubber layer 51 is made to expand, and then the positioning block 32 is tightly fixed in the positioning hole 35; when dispelling the heat to circuit breaker body 2, motor 71 drives threaded rod 72 and rotates, and through screw-nut's principle, will make slider 74 horizontal slip in spout 73, and then slider 74 drives radiator fan 75 and removes, has increased radiator fan 75's the scope of blowing, and radiator fan 75 realizes the heat dissipation to circuit breaker body 2 for operation that small-size earth leakage circuit breaker can be better, can not influence user's safety in utilization.
The front, the back, the left, the right, the upper and the lower are all based on the figure 2 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general 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 described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A combined small-sized residual current circuit breaker is characterized in that: comprises an opening shell (1), a breaker body (2) and a mounting mechanism; the breaker body (2) is arranged inside the opening shell (1); the mounting mechanism is arranged on the outer side wall of the opening shell (1); the mounting mechanism comprises a mounting plate (31), a positioning block (32), a push plate (33) and an insertion rod (34); a positioning hole (35) is formed in the side wall of the mounting plate (31); the inner wall of the positioning hole (35) is provided with an insertion hole (36); the positioning block (32) is fixedly connected to the outer side wall of the opening shell (1); the positioning block (32) is in sliding fit with the positioning hole (35); a cavity (37) is arranged in the positioning block (32); the side wall of the opening shell (1) is provided with an L-shaped hole (38), and the L-shaped hole (38) is communicated with the cavity (37); the push plate (33) is connected in the cavity (37) in a sliding manner; the inserted bar (34) is fixedly connected with the side wall of the push plate (33); the insertion rod (34) penetrates through one side of the positioning hole (35); the inserted bar (34) is in sliding fit with the insertion hole (36); an L-shaped rod (39) is fixedly connected to one side of the push plate (33); the L-shaped rod (39) is slidably connected in the L-shaped hole (38).
2. A combined small residual current circuit breaker according to claim 1, characterized in that: one end of the L-shaped rod (39) positioned outside the L-shaped hole (38) is provided with a limiting mechanism; the limiting mechanism comprises a sleeve (41), a strip-shaped plate (42) and a limiting plate (43); an annular bulge (44) is fixedly connected to the outer wall of one end, located outside the L-shaped hole (38), of the L-shaped rod (39); an annular groove (45) is formed in the inner wall of the sleeve (41); the sleeve (41) is sleeved at the end part of the L-shaped rod (39), and the annular bulge (44) is connected in the annular groove (45) in a sliding manner; the strip-shaped plate (42) is fixedly connected to the outer wall of the sleeve (41); the limiting plate (43) is fixedly connected to the outer side wall of the opening shell (1); a limiting groove (46) is formed in one side, close to the L-shaped rod (39), of the limiting plate (43); the strip-shaped plate (42) is in sliding fit with the limiting groove (46).
3. A combined small residual current circuit breaker according to claim 2, characterized in that: the outer wall of the positioning block (32) is fixedly connected with a rubber layer (51), and the interior of the rubber layer (51) is hollow; an air bag (52) is arranged in the cavity (37); the air bag (52) communicates with the inside of the rubber layer (51).
4. A combined small residual current circuit breaker according to claim 3, characterized in that: the inner wall of the limiting groove (46) is fixedly connected with an elastic layer (6); the distance between the elastic layer (6) and the elastic layer (6) is smaller than the thickness of the strip-shaped plate (42).
5. A modular small residual current circuit breaker according to claim 4, characterized in that: the outer side wall of the opening shell (1) is fixedly connected with a motor (71); an output shaft of the motor (71) is fixedly connected with a threaded rod (72), and the other end of the threaded rod (72) is rotatably connected to the inner side wall of the opening shell (1) through a bearing seat; a sliding groove (73) is formed in the inner side wall of the bottom of the opening shell (1); a sliding block (74) is connected in the sliding groove (73) in a sliding manner; the threaded rod (72) penetrates through the sliding block (74) and is connected with the sliding block (74) in a rotating mode.
6. A modular small residual current circuit breaker according to claim 5, characterized in that: the threaded rod (72) is connected with the sliding block (74) through a screw rod nut pair; a heat radiation fan (75) is arranged at the top of the sliding block (74); the mounting plate (31) is fixed on the wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122103495.9U CN215869185U (en) | 2021-09-01 | 2021-09-01 | Combined small-sized leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122103495.9U CN215869185U (en) | 2021-09-01 | 2021-09-01 | Combined small-sized leakage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215869185U true CN215869185U (en) | 2022-02-18 |
Family
ID=80245014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122103495.9U Expired - Fee Related CN215869185U (en) | 2021-09-01 | 2021-09-01 | Combined small-sized leakage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215869185U (en) |
-
2021
- 2021-09-01 CN CN202122103495.9U patent/CN215869185U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |