CN216354025U - Wiring device and circuit breaker - Google Patents
Wiring device and circuit breaker Download PDFInfo
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- CN216354025U CN216354025U CN202120940621.3U CN202120940621U CN216354025U CN 216354025 U CN216354025 U CN 216354025U CN 202120940621 U CN202120940621 U CN 202120940621U CN 216354025 U CN216354025 U CN 216354025U
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Abstract
The utility model provides a wiring device and a circuit breaker thereof, belonging to the technical field of low-voltage electric appliances. The lower limiting plane and the upper limiting plane are respectively pressed or in limited fit with the bottom and the top of the wiring frame body so as to fix the wiring frame body in the wiring cavity. The circuit breaker wiring device has the advantages that wiring of the circuit breaker can be more convenient, meanwhile, the device is simple and easy to realize, simple and convenient installation of the wiring frame can be realized through the wiring frame, the base and the cover, and the wiring is firmer and more reliable after the wiring is finished. The assembly of the circuit breaker is simplified, and the reliability is improved.
Description
Technical Field
The utility model relates to the technical field of low-voltage electric appliances, in particular to a wiring device and a circuit breaker.
Background
The wiring terminal of the low-voltage electrical appliances such as the existing circuit breaker, contactor and relay mainly has the following two structures: the circuit breaker is integrated, a threaded structure is required to be arranged on a base of the circuit breaker in advance, a screw is arranged in the threaded structure, and a connecting sheet and a static contact for conducting electricity are arranged between a cap portion of the screw and the bottom surface of the wiring cavity. And the static contact penetrates through the wiring frame body and can adjust a gap between the static contact and one side wall of the wiring frame body under the action of the screw.
In the stand-alone terminal using the terminal frame as a requirement, when the terminal frame is assembled in a terminal cavity of a low-voltage electrical apparatus such as a circuit breaker, a base and other parts are generally required to be assembled in a matching manner, and the stand-alone terminal is complex in structure and high in assembly difficulty. The assembly process is time consuming and has low production efficiency.
Based on this, the present application is proposed.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the wiring device which is simple in structure and convenient to assemble, and solves the problems that the wiring terminal in the prior art is complex in installation structure and high in assembly difficulty, so that the assembly process is simplified, and the reliability of the assembly structure is improved.
To achieve the above object, the wiring device of the present invention has the following structure: comprises that
The wiring assembly comprises a wiring frame body and a wiring screw;
the wiring cavity is formed by matching a base, a lower cavity and an upper cavity which are respectively arranged on the low-voltage electrical appliance product, and is configured to have an open structure communicated with the outside on one side facing the outside;
the side walls of the lower cavity are respectively provided with a lower limiting plane; the bottom of the upper cavity is provided with an upper limiting plane; the lower limiting plane and the upper limiting plane are respectively pressed or in limited fit with the bottom and the top of the wiring frame body so as to fix the wiring frame body in the wiring cavity.
Through above-mentioned structure, during the assembly, one side opening outwards of wiring framework and external intercommunication is vertical from top to bottom and is inserted to lower cavity in, until wiring framework and the spacing cooperation of lower limiting plane. After the cover is covered with the circuit breaker base, the upper limiting plane is in limiting fit with the wiring frame body, and therefore the wiring frame body is fixed. The assembling process is short in steps and convenient to operate, and the wiring frame body can be stably assembled in the wiring cavity under the cooperative fit of the upper limiting plane and the lower limiting plane.
The utility model further provides the following: vertical distances are reserved between the lower limiting plane and the bottom of the lower cavity and between the upper limiting bulge and the top of the upper cavity; and/or the lower limiting plane is arranged on the left side wall and the right side wall. The structure enables the wiring assembly to be installed in the middle of the wiring cavity and not to be in contact with the upper portion and the lower portion of the wiring cavity, so that the external lead can be conveniently connected, and the requirement of electrical safety performance is met.
Specifically, the lower limiting plane is located at a position lower than the middle of the wiring cavity; and/or the upper limit plane is positioned at the upper middle part of the wiring cavity.
The utility model further provides the following: the wiring cavity or the wiring cavity is also provided with a limiting structure for limiting the wiring frame to move in the wiring cavity in the inner direction and the outer direction, the limiting structure is used for further improving the matching stability of the wiring assembly and the wiring cavity, and after wiring, the wiring assembly can bear large pulling force to the outer side.
Specifically, the limiting structure is a limiting baffle plate arranged at an opening at the outward side of the wiring cavity; and/or the limiting structure is a bulge or a groove arranged on the inner wall of the wiring cavity.
Or, the side wall of the lower cavity is respectively provided with a lower limiting bulge in a protruding manner, the top surface of the lower limiting bulge forms the lower limiting plane, and the inner side surface and the outer side surface of the lower limiting bulge form limiting structures for limiting the inner and outer movements of the wiring frame;
the wiring frame body is provided with a lower limiting groove which is in clearance fit with the lower limiting bulge.
The utility model further provides the following: the top of the upper cavity extends downwards to form an upper limiting bulge, and the bottom surface of the upper limiting bulge forms an upper limiting plane;
and/or the tops of the left side and the right side of the upper cavity extend downwards to form upper limiting bulges, and the bottom surfaces of the upper limiting bulges form the upper limiting plane;
the top of the wiring frame body is provided with an upper limiting groove which is in clearance fit with the upper limiting bulge.
Through setting up spacing arch and utilizing this spacing arch and wiring framework to form unsmooth clearance fit, realized the upper and lower, inside and outside four directions of the wiring framework to the simple structure and moved the restriction to assembling in the wiring chamber to termination's structural stability has been improved greatly.
The utility model further provides the following: the bottom and the top of the wiring frame body are respectively provided with a lower limiting groove and an upper limiting groove which are respectively matched with the lower limiting bulge and the upper limiting bulge. Locate wiring subassembly's top, bottom with the spacing groove, both can improve the ascending spacing effect in upper and lower direction, also be convenient for the processing of wiring framework.
For the convenience of assembly, the utility model is further provided with the following components: the surfaces of the upper limiting bulge and the lower limiting bulge are provided with round corners. On the one hand, the fillet can play the guide effect, and on the other hand, the fillet can be avoided taking place unnecessary with the recess and scrape the damage of bumping, reducing the wiring framework.
The utility model further provides the following: the lower limiting bulge is arranged between the inner edge and the outer edge of the left side wall and the outer edge of the right side wall of the wiring cavity. And/or the upper limiting bulge is arranged between the inner edge and the outer edge of the left side wall and the outer edge of the right side wall of the wiring cavity. The middle part is provided with the limiting bulge, so that the stability of the structure can be improved.
The utility model further provides the following: the wiring frame body is of a frame-shaped structure formed by bending a strip-shaped object, the top of the wiring frame body is formed by horizontally overlapping two ends of the strip-shaped object, and upper limiting grooves are formed in two sides of one end of the strip-shaped object positioned above the wiring frame body in the folding direction; the end part of one end of the strip-shaped object positioned below is provided with a bulge and penetrates out of the upper limiting groove adjacent to the bulge.
Or further, the upper limiting groove and/or the lower limiting groove are/is arranged at the bent positions of the bottom and the top of the wiring frame body.
The utility model has the following beneficial effects:
firstly, the wiring frame body is fixed in the wiring cavity through the upper limiting structure and the lower limiting structure, and the wiring frame is simple in structure and convenient to use.
The utility model has the advantages that the upper limiting bulge structure and the lower limiting bulge structure are designed, the upper limiting function, the lower limiting bulge structure, the left limiting function and the right limiting function are simultaneously realized, the purposes of convenient assembly and high assembly stability of the wiring frame body are simultaneously achieved, the whole structure is simple and reliable, the realization is easy, and the economic value is higher.
Drawings
Fig. 1 is a schematic view of the overall state of the embodiment of the present invention.
FIG. 2 is a diagram illustrating an overall state of the present invention according to another embodiment.
FIG. 3 is a schematic view of a base according to an embodiment of the utility model.
FIG. 4 is an assembly diagram of an embodiment of the present invention.
FIG. 5 is a schematic view of a cover according to an embodiment of the present invention.
FIG. 6 is a schematic top view of an embodiment of the present invention.
Fig. 7 is a schematic sectional view of fig. 6A.
Fig. 8 is an overall schematic view of a wiring frame according to an embodiment of the utility model.
Reference numerals: 1. a base; 2. a cover; 3. a wiring assembly; 101. the lower limiting bulge is I; 110. a lower cavity; 102. a second lower limiting bulge; 201. the upper limiting bulge I; 202. an upper limiting bulge II; 211. an avoidance groove; 210. an upper cavity; 310. a wiring frame body; 320. a binding screw; 311. a horizontal end portion I; 312. a horizontal end part II; 313. a lower limiting groove; 311a, an upper limiting groove; 312a, a boss; 330. And the wiring pressing plate.
Detailed Description
The utility model provides a wiring device, which comprises a wiring cavity and a wiring assembly 3 arranged in the wiring cavity, wherein the wiring cavity is formed by matching a lower cavity 110 and an upper cavity 210 which are respectively arranged on a base 1 and a cover 2 of a low-voltage electrical appliance product, and the outward side of the wiring cavity is provided with an open structure communicated with the outside. The side wall of the lower cavity 110 is provided with a lower limiting plane, and the bottom of the upper cavity 210 is provided with an upper limiting plane. The wiring frame 310 can be fixed in the wiring cavity by matching the lower limiting plane and the upper limiting plane with the bottom and the top of the wiring frame 310 respectively. The whole structure is simple, and the assembly is convenient.
Furthermore, a limiting structure for limiting the inner and outer movement of the wiring assembly 3 can be arranged in the wiring cavity or near the wiring cavity.
The wiring assembly 3 is one of the conventional structures, and mainly includes a wiring frame 310, a wiring screw 320, and a wiring pressing plate. In some prior art constructions, the wiring assembly 3 may not be provided with a wiring clip. In this embodiment, as shown in fig. 8, the wire frame body 310 is a frame-shaped structure formed by bending a strip made of conductive material with good ductility, such as brass. The top of the wire frame 310 is formed by horizontally overlapping two ends of a strip-shaped object, namely a first horizontal end 311 and a second horizontal end 312. Threaded holes are formed in the middle of the first horizontal end portion 311 and the second horizontal end portion 312, and the wiring screws 320 penetrate through the threaded holes from top to bottom and enter the frame-shaped structure to be fixedly connected with the wiring pressing plate 330. The wire clamp plate 330 is preferably horizontally parallel to the bottom side wall of the wire frame 310 for external wire insertion.
As shown in fig. 3, on the base 1, a first lower limiting protrusion 101 and a second lower limiting protrusion 102 are respectively disposed on the left side wall and the right side wall of the lower cavity 110, and the first lower limiting protrusion 101 and the second lower limiting protrusion 102 are respectively located between the inner edge and the outer edge of the left side wall and the right side wall. The top surfaces of the first lower limiting bulge 101 and the second lower limiting bulge 102 form the lower limiting plane, and the inner side surface and the outer side surface of the first lower limiting bulge 101 and the second lower limiting bulge 102 form a limiting structure for limiting the wiring frame body 310 to move inside and outside in the wiring cavity. In order to improve the convenience of the wiring device and the safety performance thereof, in this embodiment, a certain distance is provided between the lower limiting plane and the bottom of the lower cavity 110, and specifically, the first lower limiting protrusion 101 and the second lower limiting protrusion 102 extend upward to suitable positions from the bottom of the lower cavity 110 and the left side wall or the right side wall attached to the lower cavity 110. In order to better guide the wiring frame body 310 into the wiring cavity and fix the wiring frame body, the included angles between the tops of the first lower limiting protrusion 101 and the second lower limiting protrusion 102 and the side walls thereof are processed into round angles, and meanwhile, the wiring frame body 310 can be effectively prevented from being scratched in the assembling process.
In addition to the above structure, the first lower limiting protrusion 101 and the second lower limiting protrusion 102 are attached to or close to the opposite side of the left side wall or the right side wall to form a plane, which may be a vertical plane as shown in fig. 3 and 5, or an inclined plane forming a certain angle with the horizontal plane.
As shown in fig. 5, on the cover 2, the upper limiting protrusion 201 and the upper limiting protrusion 202 are respectively disposed on the left side and the right side of the bottom of the upper cavity 210, the bottom surface of the upper limiting protrusion forms an upper limiting plane, and the inner side wall and the outer side wall thereof form a limiting structure for limiting the wire connection frame 310 from moving inside and outside the wire connection cavity. In the embodiment, the upper limiting plane has a certain distance from the top of the upper cavity 210, so the first upper limiting protrusion 201 and the second upper limiting protrusion 202 extend downward from the bottom of the upper cavity 210 to suitable positions. Correspondingly, the included angle between the bottom of the upper limiting bulge 201 and the side wall of the upper limiting bulge 202 and the included angle between the bottom of the upper limiting bulge and the side wall of the upper limiting bulge are processed into round angles.
Referring to fig. 4, after the cover 2 is combined with the base 1 and the cover 2, the upper cavity 210 is combined with the lower cavity 110 to form a wiring cavity, and the lower side and the upper side of the wiring cavity are respectively provided with a lower limiting protrusion 101, a lower limiting protrusion 102, an upper limiting protrusion 201, and an upper limiting protrusion 202. The wiring frame 310 is a frame-shaped structure formed by bending a strip-shaped object, and a lower limiting groove 313 is formed at the bending part at the bottom of the wiring frame 310; the upper horizontal end portion 311 is provided with upper limiting grooves 311a at two bending positions in the folding direction. The width and thickness of the wiring cavity are preferably adapted to the width and thickness of the wiring frame body 310.
During the assembly, wiring subassembly 3 is from the vertical downward putting of the upside opening of upper chamber body 210, and the bottom of wiring framework 310 is rather than unsmooth and spacing cooperation under the fillet guide of the protruding first 101 of lower limit, protruding two 102 tops of lower limit, receives the protruding first 101 of lower limit, the protruding two 102 restriction of lower limit, and wiring framework 310 is by being fixed in the wiring chamber in advance, and its left and right sides, the removal of inside and outside four directions is restricted. Then, when the cover 2 is assembled, the first upper limiting protrusion 201 and the second upper limiting protrusion 202 are vertically inserted into the upper limiting groove 311a from above along with the closing action of the cover 2 to be matched with the upper limiting groove, so that the wiring frame body 310 is stably fixed in the wiring cavity.
Example 2 this example differs from example 1 in that: in this embodiment, the end of the lower horizontal end portion 312 is provided with a boss 312a, and the boss 312a penetrates through the upper limiting groove 311a adjacent thereto. The bosses 312a make the bottoms of the upper limiting grooves 311a on both sides of the upper wiring frame 310 be on the same horizontal plane, so that the bottom surfaces of the upper limiting protrusions on both sides of the bottom of the upper cavity 210 are also on the same horizontal plane, which is convenient for the production and processing of the cover 2 and improves the fixing effect of the wiring cavity on the wiring assembly 3.
Embodiment 4 this embodiment differs from the above embodiments in that: in this embodiment, the upper first limiting protrusion 201 and the upper second limiting protrusion 202 located above and the lower first limiting protrusion 101 and the lower second limiting protrusion 102 located below are respectively disposed in an up-and-down symmetrical manner. Or further, the lower limiting projection I101 and the lower limiting projection II 102 which are positioned below are symmetrically arranged in the left and right directions. Or further, the upper limiting projection 201 and the upper limiting projection 202 which are positioned above are symmetrically arranged in the left and right directions.
Embodiment 5 this embodiment differs from the above embodiments in that: in this embodiment, the limiting structure for limiting the movement of the wiring frame 310 in the inner and outer directions is a first vertically arranged strip-shaped protrusion, and the lower limiting plane for limiting the downward movement of the wiring frame 310 is the upper surface of a second horizontally arranged strip-shaped protrusion. The upper end of the first strip-shaped protrusion extends to the edge of the upper opening of the lower cavity 110, and the lower end of the first strip-shaped protrusion extends to the vicinity of the second strip-shaped protrusion. As can be seen from the above structure, in the present embodiment, the limiting structure for limiting the movement of the wire connection housing 310 in the inward and outward directions and the lower limiting plane for limiting the downward movement of the wire connection housing 310 are provided on different limiting structures.
Embodiment 5 this embodiment differs from the above embodiments in that: in this embodiment, the first upper limiting protrusion 201, the second upper limiting protrusion 202 are strip-shaped or first upper limiting protrusion 201, and the second upper limiting protrusion 202 are two semi-circular shapes designed oppositely or are designed as an integral circular protrusion by canceling the split design of the first upper limiting protrusion 201 and the second upper limiting protrusion 202. When the upper limit bulge is semi-annular or annular, the annular diameter of the upper limit bulge is larger than that of the wiring screw 320, the upper limit surface at the bottom of the upper limit bulge is in clearance-free or interference fit with the upper surface of the wiring frame body 310, and downward pressure is applied to the wiring frame body 310 from the upper side and is reduced and fixed in the wiring cavity.
Embodiment 6 this embodiment differs from the above embodiments in that: the limiting structure for limiting the movement of the wiring frame body 310 in the inner and outer directions is a limiting baffle plate arranged on the opening edge of the outward side of the wiring cavity, and the limiting baffle plate can be a convex edge arranged on the left side edge and the right side edge respectively, and can also be a transverse baffle plate arranged on the left side edge and the right side edge in a crossing manner.
Embodiment 7 this embodiment provides a circuit breaker, including a base 1, a cover 2, including a wiring device as in any of embodiments 1-6 above.
In summary, the utility model provides a wiring device and a circuit breaker thereof with simple structure and convenient processing, wherein the top and the bottom of the wiring cavity are provided with protrusions with width smaller than the thickness of the wiring frame body 310, and the top and the bottom of the wiring frame body 310 are provided with corresponding grooves, so that the wiring component 3 is stably and reliably fixed in the wiring cavity by combining the cover 2 and the cover 2 of the base 1 through the limit matching of the protrusions and the grooves in an assembling step of vertically putting the wiring component 3. The device can reduce investment, improve production efficiency and has higher economy.
Claims (10)
1. A wiring device characterized by: comprises that
The wiring assembly comprises a wiring frame body and a wiring screw;
the wiring cavity is formed by matching a base, a lower cavity and an upper cavity which are respectively arranged on the low-voltage electrical appliance product, and is configured to have an open structure communicated with the outside on one side facing the outside;
a lower limiting plane is arranged on the side wall of the lower cavity; the bottom of the upper cavity is provided with an upper limiting plane; the lower limiting plane and the upper limiting plane are respectively in limiting fit or pressing with the bottom and the top of the wiring frame body so as to fix the wiring frame body in the wiring cavity.
2. The wiring lug of claim 1, wherein: vertical distances are reserved between the lower limiting plane and the bottom of the lower cavity and between the upper limiting bulge and the top of the upper cavity; and/or the lower limiting plane is arranged on the left side wall and the right side wall.
3. The wiring lug of claim 1, wherein: the lower limiting plane is positioned at the lower part of the middle part of the wiring cavity; and/or the upper limit plane is positioned at the upper middle part of the wiring cavity.
4. A wiring device as in any of claims 1-3, wherein: and a limiting structure for limiting the wiring frame to move in the wiring cavity in the inner direction and the outer direction is further arranged in the wiring cavity or near the wiring cavity.
5. The wiring lug of claim 4, wherein: the limiting structure is a limiting baffle arranged at an opening at one outward side of the wiring cavity; and/or the limiting structure is a bulge or a groove arranged on the inner wall of the wiring cavity.
6. The wiring lug of claim 4, wherein: the side wall of the lower cavity is respectively provided with a lower limiting bulge in a protruding manner, or the lower limiting bulge is arranged between the inner edge and the outer edge of the left side wall and the outer edge of the right side wall of the wiring cavity;
the top surface of the lower limiting bulge forms the lower limiting plane, and the inner side surface and the outer side surface of the lower limiting bulge form limiting structures for limiting the inner side and the outer side of the wiring frame to move;
the wiring frame body is provided with a lower limiting groove which is in clearance fit with the lower limiting bulge.
7. The wiring lug of claim 4, wherein: the top of the upper cavity extends downwards to form an upper limiting bulge, and the bottom surface of the upper limiting bulge forms an upper limiting plane;
or the tops of the left side and the right side of the upper cavity extend downwards to form upper limiting bulges, and the bottom surfaces of the upper limiting bulges form the upper limiting plane;
the top of the wiring frame body is provided with an upper limiting groove which is in clearance fit with the upper limiting bulge.
8. The wiring lug of claim 6 or 7, wherein: the bottom and the top of the wiring frame body are respectively provided with a lower limiting groove and an upper limiting groove which are respectively matched with the lower limiting bulge and the upper limiting bulge;
and/or the surfaces of the upper limiting bulge and the lower limiting bulge are processed with round corners.
9. The wiring lug of claim 8, wherein: the wiring frame body is of a frame-shaped structure formed by bending a strip-shaped object, the top of the wiring frame body is formed by horizontally overlapping two ends of the strip-shaped object, and upper limiting grooves are formed in two sides of one end of the strip-shaped object positioned above the wiring frame body in the folding direction; a bulge is arranged at the end part of one end of the strip-shaped object positioned below and penetrates out of the upper limiting groove adjacent to the bulge;
and/or the wiring frame body is of a frame-shaped structure formed by bending a strip-shaped object, and the upper limiting groove and/or the lower limiting groove are/is arranged at the bending positions of the bottom and the top of the wiring frame body.
10. A circuit breaker comprises a base and a cover, and is characterized in that: a wiring lug comprising a wiring lug according to any of the preceding claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120940621.3U CN216354025U (en) | 2021-04-30 | 2021-04-30 | Wiring device and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120940621.3U CN216354025U (en) | 2021-04-30 | 2021-04-30 | Wiring device and circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216354025U true CN216354025U (en) | 2022-04-19 |
Family
ID=81128317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120940621.3U Active CN216354025U (en) | 2021-04-30 | 2021-04-30 | Wiring device and circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216354025U (en) |
-
2021
- 2021-04-30 CN CN202120940621.3U patent/CN216354025U/en active Active
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