CN113594952A

CN113594952A - Drawer type switch cabinet

Info

Publication number: CN113594952A
Application number: CN202110931507.9A
Authority: CN
Inventors: 刘响荣; 刘昕栩; 陈环
Original assignee: Golden Triangle Electric Power Technology Co ltd
Current assignee: Golden Triangle Electric Power Technology Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2021-11-02

Abstract

The invention provides a drawer type switch cabinet, which comprises a cabinet body and a drawer arranged in the cabinet body, wherein the drawer comprises: a drawer body; the molded case circuit breaker comprises a circuit breaker body and a plurality of first conductive pieces arranged on one side of a wire inlet end of the circuit breaker body, wherein the length extending direction of the circuit breaker body is the same as the drawing direction of a drawer; a plurality of grafting subassemblies, locate the inlet wire end one side of circuit breaker body, and stretch out outside this body of drawer, grafting subassembly links to each other with first electrically conductive piece, and be suitable for with the female grafting of arranging of inlet wire, because the circuit breaker body is installed in the drawer originally internally according to its length direction and the drawer direction of taking out the same direction, and the inlet wire end stretches out outside this body of drawer, the width of the drawer and the cabinet body has been dwindled greatly like this, the panel beating material who is used for making drawer and the cabinet body has been practiced thrift, the switching copper bar has been reduced, not only the temperature rise in the drawer has been reduced, manufacturing cost has also been reduced, the reduction that also by a wide margin is used for placing the floor area of the distribution room of the cabinet body simultaneously.

Description

Drawer type switch cabinet

Technical Field

The invention relates to the technical field of switch cabinets, in particular to a drawer type switch cabinet.

Background

The drawer type switch cabinet is a closed shell made of steel plates, electrical components of the incoming and outgoing line loop are all installed in the drawer capable of being pulled out, the drawer type switch cabinet is used as a centralized control power distribution center, has high reliability, safety and interchangeability, and is widely applied to industrial and mining enterprises and high-rise buildings with high requirements on power supply reliability.

An existing drawer type switch cabinet, as shown in fig. 27-29, includes a cabinet body, and a drawer that can be drawn out from the cabinet body, the drawer includes a drawer body 100, a first panel 101 and a second panel 102 respectively disposed on the front and rear sides of the drawer body 100, an operating handle 103 is disposed on the first panel 101, an adapter 104 that extends out of the drawer body 100 and is correspondingly connected to a line inlet (outlet) busbar is disposed on the left and right sides of the second panel 102, a molded case circuit breaker 105 is disposed in the middle of an installation cavity of the drawer body 100, during assembly, an operating panel 108 where a circuit breaker handle 106 of the molded case circuit breaker 105 is disposed faces the first panel 101, and a plurality of connection terminals on the left and right sides of the molded case circuit breaker are connected to the corresponding adapter 104 through a copper switching bar 107. The defects of the scheme are as follows: 1) because the length direction of the circuit breaker is the same as the extension direction of the first panel 101, and the positions and creepage distances for connecting the switching copper bars 107 at the two ends of the incoming and outgoing line are reserved, the length and the width of the drawer body 100 are greatly increased, and the production cost of the drawer type switch cabinet is greatly increased; 2) the power distribution room is generally provided with several or even dozens of drawer-type switch cabinets, and the existing drawer-type switch cabinets occupy a large area of the power distribution room, so that the construction cost of the power distribution room is greatly increased; 3) because the binding post of circuit breaker need link to each other with adapter 104 through switching copper bar 107, switching copper bar 107 includes the first link bank 109 that extends along drawer body width direction (X axle direction), extend the second link bank 110 that (Y axle direction) extends along drawer body length direction, extend the third link bank 111 that extends along drawer body height direction (Z axle direction), first link bank 109, second link bank 110 and third link bank 111 are for connecting gradually, switching copper bar 107 length is longer, lead to copper consumptive material volume great, not only increased manufacturing cost, the temperature rise has also been increased, and binding post, first link bank 109, second link bank 110, all through bolt fixed connection between the adjacent two subassemblies of third link bank 111 and adapter 104, so the bolt joint point is more, further the temperature rise in the drawer body.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defects of large occupied area, high temperature rise and high production cost of the drawer type switch cabinet in the prior art, thereby providing the drawer type switch cabinet which is miniaturized, small in occupied area, low in temperature rise and low in production cost.

Therefore, the invention provides a drawer type switch cabinet which comprises a cabinet body and a drawer arranged in the cabinet body, wherein the drawer comprises a drawer body, a molded case circuit breaker and a plug-in assembly, and the drawer body is provided with an installation cavity suitable for installing the molded case circuit breaker; the molded case circuit breaker comprises a circuit breaker body and a plurality of first conductive pieces arranged on one side of a wire inlet end of the circuit breaker body, wherein the length extending direction of the circuit breaker body is the same as the drawing direction of the drawer; the plurality of inserting components are arranged on one side of the wire inlet end of the breaker body and extend out of the drawer body, and the inserting components are connected with the first conductive pieces and suitable for being inserted with the wire inlet busbar.

The wire inlet end of the circuit breaker body can extend out of the drawer body.

A plurality of the first conductive members are distributed at intervals along a width direction of the circuit breaker body, and the first conductive members include: the first connecting plate extends along the height direction of the circuit breaker body and is suitable for being assembled with the plug-in assembly; and the second connecting plate is connected with one end of the first connecting plate and extends along the length direction of the circuit breaker body, and the second connecting plate is suitable for being connected with the contact plate inside the circuit breaker body.

The other end of the first connecting plate, which is far away from the second connecting plate, is provided with a third connecting plate which is connected with the first connecting plate in a bending mode, the third connecting plate extends along the height direction of the breaker body and is assembled with the plug-in assembly through a fastening assembly, and two adjacent third connecting plates of the first conductive pieces are respectively located in two different vertical planes.

The breaker body is provided with a first limiting structure which is suitable for limiting the position of the plug-in assembly when the incoming line busbar is plugged with the plug-in assembly, and/or a second limiting structure which is suitable for limiting the position of the first conductive piece.

Be equipped with the confession on the first panel of one side of circuit breaker body first electrically conductive stretch out in order with the first opening of grafting subassembly assembly, first limit structure includes: at least one lug is arranged on the edge of the inserting component, and the lug is suitable for abutting against the first panel when the incoming line female row is inserted.

First limit structure still includes: the first baffle block is arranged on one side, far away from the convex block, of the first panel and is suitable for abutting against the convex block when the incoming busbar is pulled out.

The first stop block is provided with a second opening which is arranged adjacent to the first stop block and can be used for the lug to be inserted or penetrated out, the inserting component is provided with an assembling position where the lug abuts against the first stop block, and a disassembling position where the lug is separated from the first stop block and can be penetrated out from the second opening.

At least one lug is arranged on each of two sides of the plug-in component, and the first baffle block which is correspondingly abutted against the lug is arranged on the first panel.

The second limit structure comprises: and the second stop block is arranged on the circuit breaker body or the first panel and can be abutted against the first surface of the first conductive piece, which is far away from the plug-in assembly.

The second limit structure further comprises: and the third stop block is arranged on the circuit breaker body or the first panel and can be abutted against the second surface, adjacent to the plug-in assembly, of the first conductive piece.

The plug-in component comprises a plug-in connector and an elastic piece, the plug-in connector is provided with a plug-in main body and two fourth connecting plates connected with the plug-in main body, and the two fourth connecting plates oppositely form a first slot for inserting the incoming busbar; the elastic piece is arranged on the plug connector, and the elastic piece faces the fourth connecting plate to apply elastic acting force which is abutted against the incoming line busbar.

A first partition plate and/or a second partition plate are/is arranged between every two adjacent plug-in components, the first partition plate extends along the height direction of the drawer body, and the second partition plate extends along the length direction of the drawer body.

The elastic part is a split ring with a notch, and two sides of the notch of the split ring are respectively provided with an elastic arm which elastically abuts against the corresponding fourth connecting plate.

The technical scheme of the invention has the following advantages:

1. according to the drawer type switch cabinet provided by the invention, the first conductive piece at the wire inlet end of the breaker body is directly connected with the plug-in assembly, and the plug-in assembly extends out of the drawer body and is plugged with the wire inlet bus bar, so that a copper bar and an adapter in the prior art are omitted, the cost of the copper bar is reduced, the temperature rise in the drawer body is also reduced, and the length of the drawer body is shortened; in addition, because the circuit breaker body is installed in the drawer body according to the direction that the length direction of the circuit breaker body is the same as the drawing direction of the drawer, the width of the drawer and the cabinet body is greatly reduced, the sheet metal material for manufacturing the drawer and the cabinet body is saved, the temperature rise in the drawer is reduced, the production cost is also reduced, and meanwhile, the floor area of a power distribution room for placing the cabinet body is greatly reduced.

2. According to the drawer type switch cabinet provided by the invention, the wire inlet end of the breaker body extends out of the drawer body, so that on one hand, the length of the drawer body can be further shortened, the production cost is reduced, on the other hand, the temperature rise in the breaker body and the drawer is reduced, and the reliability is improved.

3. According to the drawer type switch cabinet provided by the invention, the plurality of first conductive pieces are distributed at intervals along the width direction of the circuit breaker body, and the first conductive pieces are provided with the first connecting plate extending along the height direction of the circuit breaker body and the third connecting plate connected with the plug-in assembly, so that the wiring length of the wiring end of the circuit breaker body and the wiring length of the plug-in assembly are greatly shortened, the using amount of copper bars is reduced, and the production cost is reduced; in addition, because first electrically conductive piece and grafting subassembly are all installed on the curb plate of circuit breaker body width direction for the length extending direction of circuit breaker body can be the same with the direction of taking out of drawer, thereby has dwindled the width of drawer and the cabinet body greatly, has practiced thrift the panel beating material that is used for making drawer and the cabinet body, thereby has reduced manufacturing cost.

4. According to the drawer type switch cabinet provided by the invention, the breaker body is provided with the first limiting structure suitable for limiting the position of the plug-in assembly when the incoming busbar is plugged with the plug-in assembly, and/or the second limiting structure suitable for limiting the position of the first conductive assembly.

5. According to the drawer type switch cabinet provided by the invention, the edge of the plug-in component is provided with the convex block, and the convex block is suitable for abutting against the first panel when the incoming busbar is plugged, so that the situation that the incoming busbar cannot be plugged into the first slot of the plug-in component due to the fact that the plug-in component moves along the incoming busbar in the same direction is avoided; the first baffle block is arranged on one side of the first panel, which is far away from the convex block, and the first baffle block is suitable for abutting against the convex block when the incoming busbar is pulled out, so that the situation that the incoming busbar is difficult to pull out from the first slot due to the fact that the inserting assembly moves along the same direction of the incoming busbar is avoided; the mutually matched convex block and the first stop block have the advantage of simple structure.

6. The drawer type switch cabinet provided by the invention has the advantages that the first stop block is provided with the second opening which is arranged adjacent to the first stop block and can allow the lug to be inserted into or penetrate out of the second opening, the plug-in component is provided with the assembling position where the lug abuts against the first stop block, and the disassembling position where the lug is separated from the first stop block and can penetrate out of the second opening. Through setting up the second opening to be favorable to grafting subassembly and circuit breaker body to realize quick assembly disassembly.

7. According to the drawer type switch cabinet provided by the invention, the second stop block and the third stop block are arranged on the two sides of the first conductive piece, so that the position of the first conductive piece is limited, and the first conductive piece and the plug-in assembly are fixed, namely the position of the plug-in assembly is limited, so that the plugging reliability is further improved.

8. According to the drawer type switch cabinet provided by the invention, the first connecting plate, the second connecting plate, the third connecting plate and the contact plate of the first conductive piece are integrally bent and formed, so that the temperature rise is low, and the structure is simple.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a perspective view of a first embodiment of a molded case circuit breaker of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a perspective view of the cover plate of FIG. 1;

FIG. 4 is a perspective view of a first embodiment of a plurality of first electrically conductive members;

FIG. 5 is a schematic structural diagram of a first conductive member;

FIG. 6 is a perspective view of a second embodiment of a plurality of first electrically conductive members;

fig. 7 is a sectional view of a second embodiment of the molded case circuit breaker of the present invention;

fig. 8 is an assembled cross-sectional view of the molded case circuit breaker and the plug assembly of fig. 7;

fig. 9 is a perspective view of a cover plate in a third embodiment of the molded case circuit breaker according to the present invention;

FIG. 10 is a perspective view of the plug assembly;

FIG. 11 is a front view of the plug assembly;

FIG. 12 is a side view of the plug assembly;

FIG. 13 is a perspective view of the device of the present invention;

FIG. 14 is a schematic diagram of an exploded structure of the device;

FIG. 15 is a side view of FIG. 13;

FIG. 16 is an enlarged view of a portion of FIG. 15;

fig. 17 is a schematic structural view of a 4P molded case circuit breaker.

FIG. 18 is a first perspective view of a first embodiment of a drawer in the drawer switch cabinet of the present invention;

FIG. 19 is a second perspective view of the first embodiment of the drawer in the drawer type switchgear of the present invention;

fig. 20 is an exploded view of the drawer body and the molded case circuit breaker of fig. 19;

FIG. 21 is a front view of FIG. 18;

fig. 22 is an assembly schematic view of a plurality of drawer bodies and the incoming busbar;

fig. 23 is another schematic assembly diagram of a plurality of drawer bodies and a line inlet busbar;

fig. 24 is a schematic structural view of fig. 23 with the incoming busbar removed;

FIG. 25 is a schematic view of the structure of FIG. 24 with the second separator removed;

FIG. 26 is a perspective view of a second embodiment of a drawer in the drawer type switchgear of the present invention;

FIG. 27 is a perspective view of a drawer in a prior art drawer-type switchgear;

FIG. 28 is a schematic view of a prior art drawer;

fig. 29 is a perspective view of the switching copper bar.

Description of reference numerals:

1. a circuit breaker body; 2. a first conductive member; 3. a first connecting plate; 4. a second connecting plate; 5. a third connecting plate; 6. a contact plate; 7. a first slot; 8. a first panel; 9. a first opening; 10. a bump; 11. a first stopper; 12. a second opening; 13. a second stopper; 14. a third stopper; 15. a plug-in unit; 16. a plug-in main body; 17. a fourth connecting plate; 19. an elastic member; 20. a resilient arm; 21. a second slot; 22. a cover plate; 30. a drawer body; 31. a mounting cavity; 32. a second panel; 33. a third panel; 34. a fourth panel; 35. a base plate; 36. a circuit breaker handle; 37. an operation panel; 38. a third opening; 39. a first separator; 40. a second separator; 41. the incoming line busbar;

100. a drawer body; 101. a first panel; 102. a second panel; 103. an operating handle; 104. an adapter; 105. a molded case circuit breaker; 106. a circuit breaker handle; 107. transferring copper bars; 108. an operation panel; 109. a first connecting row; 110. a second connecting row; 111. and a third connecting row.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of 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 present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides a molded case circuit breaker, as shown in fig. 1 to 3, including a circuit breaker body 1, a first conductive member 2, and a cover plate 22.

Three first conductive members 2 are provided, as shown in fig. 1, 4 and 5, and are disposed at a wiring end of the circuit breaker body 1 and distributed at intervals along a width direction (X-axis direction) of the circuit breaker body, the first conductive members 2 are adapted to be fixedly connected with an insertion assembly adapted to be inserted into a bus bar, the first conductive members 2 include a first connecting plate 3, and a second connecting plate 4 and a third connecting plate 5 respectively disposed at two ends of the first connecting plate 3, the first connecting plate 3 extends along a height direction (Z-axis direction) of the circuit breaker body 1, the second connecting plate 4 is adapted to be inserted into the circuit breaker body 1 and is integrally bent and connected with a contact plate 6 inside the circuit breaker body 1, a stationary contact is disposed on the contact plate 6, and the third connecting plate 5 is integrally bent and connected with the first connecting plate 3, and extend along the direction of height of circuit breaker body 1, adjacent two third connecting plates 5 of first electrically conductive piece 2 are located two different vertical planes respectively to the creepage distance between two adjacent third connecting plates 5 and two adjacent grafting subassemblies has been increased. In this embodiment, the fastening member may be a bolt or a rivet. The first connecting plates 3 of the three first conductive pieces 2 are all located in the same first vertical plane, and the third connecting plates 5 are all located in the same second vertical plane. As shown in fig. 1, the breaker body 1 has a width direction extending along the X axis, a length direction extending along the Y axis, and a height direction extending along the Z axis.

In an alternative embodiment, the three third connecting plates 5 have the same height.

As an alternative embodiment, as shown in fig. 6, the first conducting member 2 comprises only a first connecting plate 3 and a second connecting plate 4, the first connecting plate 3 being adapted to be assembled with a plug assembly.

Breaker body 1 is equipped with on it and is suitable for female arranging with during the plug-in components plug, injectd the first limit structure of plug-in components position, one side of breaker body 1 is equipped with apron 22 rather than the lock is connected, and apron 22 encloses with breaker body 1 and closes the holding chamber that forms to be suitable for the first electrically conductive piece 2 of installation, and apron 22 is kept away from and is equipped with the confession on the first panel 8 of breaker body 1 the third connecting plate 5 stretch out with the first opening 9 of plug-in components assembly. As shown in fig. 2, 3 and 16, the first stopper structure includes: the four bumps 10 are respectively arranged on the edges of the two sides of the plug-in component; two first stoppers 11 respectively disposed at two sides of the first opening 9, wherein the first stoppers 11 and the first panel 8 are opposite to each other to form a second slot 21 into which the bump 10 is inserted. The first block 11 has a second opening 12 disposed adjacent thereto for the protrusion 10 to be inserted into or pass through, and the plug assembly has an assembly position where the protrusion 10 abuts against the first block 11, and a disassembly position where the protrusion 10 is separated from the first block 11 and can pass through the second opening 12. The circuit breaker body 1 is provided with three plug-in components which are distributed in an oblique line shape or a triangle shape. It should be noted that the molded case circuit breaker may be a 3P circuit breaker as shown in fig. 13, or may be a 4P circuit breaker as shown in fig. 17.

Example 2

The present embodiment provides a molded case circuit breaker, as shown in fig. 7 and 8, including a circuit breaker body 1, a first conductive member 2, and a cover plate 22.

The circuit breaker body 1 is provided with a second limiting structure suitable for the position of the first conductive piece 2 when the plug-in assembly is plugged, a cover plate 22 connected with the lock is arranged on one side of the circuit breaker body 1, the cover plate 22 and the circuit breaker body 1 are enclosed to form an accommodating cavity suitable for installing the first conductive piece 2, and a first panel 8 of the circuit breaker body 1 far away from the cover plate 22 is provided with a third connecting plate 5 extending out and a first opening 9 assembled with the plug-in assembly. As shown in fig. 7 and 8, the second limiting structure includes two second stoppers 13 and two third stoppers 14, the second stoppers 13 and the third stoppers 14 are respectively disposed on two sides of the third connecting plate, the second stoppers 13 can abut against the first surface of the first conductive member 2 away from the plug-in assembly, and the third stoppers 14 abut against the second surface of the first conductive member 2 adjacent to the plug-in assembly. The circuit breaker body 1 is provided with three plug-in components which are distributed in an oblique line shape or a triangle shape.

Example 3

The present embodiment provides a molded case circuit breaker, as shown in fig. 1 and 9, including a circuit breaker body 1, a first conductive member 2, and a cover plate 22.

Breaker body 1, be equipped with on the breaker body 1 be suitable for female arranging with during the plug-in components plug, inject plug-in components's first limit structure, and inject first electrically conductive second limit structure of 2 positions, one side of breaker body 1 is equipped with apron 22 rather than the lock connection, and apron 22 encloses with breaker body 1 and closes the holding chamber that forms to be suitable for the first electrically conductive 2 of installation, and apron 22 is kept away from and is equipped with the confession on the first panel 8 of breaker body 1 third connecting plate 5 stretches out with the first opening 9 of plug-in components assembly. The circuit breaker body 1 is provided with three plug-in components which are distributed in an oblique line shape or a triangle shape.

As shown in fig. 2, 3 and 16, the first stopper structure includes: the four bumps 10 are respectively arranged on the edges of the two sides of the plug-in component; two first stoppers 11 respectively disposed at two sides of the first opening 9, wherein the first stoppers 11 and the first panel 8 are opposite to each other to form a second slot 21 into which the bump 10 is inserted. The first block 11 has a second opening 12 disposed adjacent thereto for the protrusion 10 to be inserted into or pass through, and the plug assembly has an assembly position where the protrusion 10 abuts against the first block 11, and a disassembly position where the protrusion 10 is separated from the first block 11 and can pass through the second opening 12.

As shown in fig. 7 and 8, the second limiting structure includes two second stoppers 13 and two third stoppers 14, the second stoppers 13 and the third stoppers 14 are respectively disposed on two sides of the third connecting plate, the second stoppers 13 can abut against the first surface of the first conductive member 2 away from the plug-in assembly, and the third stoppers 14 abut against the second surface of the first conductive member 2 adjacent to the plug-in assembly.

Example 4

The present embodiment provides a plug assembly adapted to be assembled with a circuit breaker body 1 of a molded case circuit breaker, as shown in fig. 9 to 11, the plug assembly including a plug 15 and an elastic member 19.

The plug connector 15 is provided with a plug main body 16 and two fourth connecting plates 17 connected with the plug main body 16, a through hole for a bolt to penetrate through is formed in the middle of the plug main body 16, two sides of the plug main body 16 are respectively provided with a convex block 10 extending outwards, a first stop block 11 is arranged on a first panel 8 of a cover plate 22, and a second slot 21 for the convex block 10 to insert is formed between the first stop block 11 and the first panel 8; two the fourth connecting plate 17 relatively forms the first slot 7 that supplies female arranging to insert, and the junction shaping of fourth connecting plate 17 and grafting main part 16 has the perforation that supplies elastic component 19 to wear to establish.

And the elastic piece 19 is arranged on the plug connector 15, and the elastic piece 19 applies elastic acting force which is abutted against the busbar to the fourth connecting plate 17. In this embodiment, the elastic member 19 is an open ring having a notch, and two sides of the notch of the open ring are respectively provided with an elastic arm 20 elastically abutting against the corresponding fourth connecting plate 17. The outer side surface of the fourth connecting plate 17 is formed with a groove into which the end of the elastic arm 20 is inserted and whose moving position is restricted.

Example 5

The present embodiment provides an apparatus, as shown in fig. 13-16, including a molded case circuit breaker, and a plug assembly assembled with the molded case circuit breaker.

A molded case circuit breaker includes a breaker body 1, a first conductive member 2, and a cover plate 22.

Breaker body 1 is equipped with on it and is suitable for female arranging with when the plug component plug, injectd plug component's first limit structure, and injectd the second limit structure of first electrically conductive 2 positions, one side of breaker body 1 is equipped with apron 22 rather than the lock connection, and apron 22 encloses with breaker body 1 and closes the holding chamber that forms to be suitable for the first electrically conductive 2 of installation, and apron 22 is kept away from and is equipped with the confession on the first panel 8 of breaker body 1 the third connecting plate 5 stretch out with the first opening 9 of plug component assembly. The circuit breaker body 1 is provided with three plug-in components which are distributed in an oblique line shape or a triangle shape.

A plug assembly adapted to be assembled with a circuit breaker body 1 of a molded case circuit breaker, as shown in fig. 10 to 12, the plug assembly including a plug 15 and an elastic member 19.

Example 6

The present embodiment provides a drawer type switch cabinet, which includes a cabinet body and a drawer disposed in the cabinet body, as shown in fig. 18 to 21, the drawer includes a drawer body 30, a molded case circuit breaker, and an insertion assembly.

And a drawer body 30 having a mounting cavity 31 adapted to mount the molded case circuit breaker. As shown in fig. 18 and 21, the drawer body 30 has a bottom plate 35, a second panel 32 and a third panel 33 respectively disposed at the front and rear sides of the bottom plate, and two fourth panels 34 respectively disposed at the left and right sides of the bottom plate, the second panel 32, the third panel 33 and the two fourth panels 34 enclose to form the installation cavity 31, and as shown in fig. 19, the third panel 33 is formed with a third opening 38 through which the wire inlet end of the circuit breaker body 1 and the plug-in module can extend. In the present embodiment, the width direction of the drawer body extends along the X axis, and the length direction of the drawer body extends along the Y axis, which is the same as the drawing direction of the drawer body.

A molded case circuit breaker includes a breaker body 1, a first conductive member 2, and a cover plate 22. The length extending direction of the breaker body 1 is the same as the drawing direction of the drawer, and in this embodiment, as shown in fig. 21, the breaker body 1 is fixed on the bottom plate 35 in a side-on manner, and the operation panel 37 on which the breaker handle 36 is located is disposed toward the fourth plate 34.

Breaker body 1 is equipped with on it and is suitable for female 41 of inlet wire with during the plug-in components plug, inject plug-in components's first limit structure, and inject the second limit structure of first electrically conductive 2 positions, one side of breaker body 1 is equipped with apron 22 rather than the lock connection, and apron 22 encloses with breaker body 1 and closes the holding chamber that forms to be suitable for the first electrically conductive 2 of installation, and apron 22 is kept away from and is equipped with the confession on the first panel 8 of breaker body 1 third connecting plate 5 stretches out with the first opening 9 of plug-in components assembly. The circuit breaker body 1 is provided with three plug-in components which are distributed in an oblique line shape or a triangle shape. The outer side surface of the first panel 8 is formed with a partition board suitable for separating two adjacent plug-in modules, and in this embodiment, the incoming line end of the circuit breaker body 1 includes a cover plate 22 and a first conductive member 2.

The plug connector 15 is provided with a plug main body 16 and two fourth connecting plates 17 connected with the plug main body 16, a through hole for a bolt to penetrate through is formed in the middle of the plug main body 16, two sides of the plug main body 16 are respectively provided with a convex block 10 extending outwards, a first stop block 11 is arranged on a first panel 8 of a cover plate 22, and a second slot 21 for the convex block 10 to insert is formed between the first stop block 11 and the first panel 8; two the fourth connecting plate 17 relatively forms the first slot 7 that supplies female 41 of inlet wire to insert, and the junction shaping of fourth connecting plate 17 and grafting main part 16 has the perforation that supplies elastic component 19 to wear to establish.

The elastic piece 19 is arranged on the plug connector 15, and the elastic piece 19 exerts an elastic acting force which is abutted against the incoming line busbar 41 towards the fourth connecting plate 17. In this embodiment, the elastic member 19 is an open ring having a notch, and two sides of the notch of the open ring are respectively provided with an elastic arm 20 elastically abutting against the corresponding fourth connecting plate 17. The outer side surface of the fourth connecting plate 17 is formed with a groove into which the end of the elastic arm 20 is inserted and whose moving position is restricted.

As shown in fig. 22 to 24, a first partition 39 and a second partition 40 are disposed between two adjacent plug assemblies, and the first partition 39 extends along the height direction of the drawer body 30. The second partition 40 extends along the length of the drawer body 30. It should be noted that in this embodiment, only the first partition 39 shown in fig. 25 or only the second partition 40 may be disposed between two adjacent plug assemblies.

Example 7

The embodiment provides a drawer type switch cabinet, which comprises a cabinet body and a drawer arranged in the cabinet body, wherein the drawer comprises a drawer body 30, a plug-in assembly and a molded case circuit breaker as shown in fig. 26.

And a drawer body 30 having a mounting cavity 31 adapted to mount the molded case circuit breaker. The drawer body 30 has a bottom plate 35, a second panel 32 and a third panel 33 respectively arranged at the front side and the rear side of the bottom plate, and two fourth panels 34 respectively arranged at the left side and the right side of the bottom plate, wherein the second panel 32, the third panel 33 and the two fourth panels 34 enclose to form a mounting cavity 31, and the third panel 33 is formed with a third opening for the wire inlet end of the circuit breaker body 1 and the plug-in assembly to extend out of the third opening. In the present embodiment, the width direction of the drawer body extends along the X axis, and the length direction of the drawer body extends along the Y axis, which is the same as the drawing direction of the drawer body.

A molded case circuit breaker includes a breaker body 1, a first conductive member 2, and a cover plate 22. The length extending direction of the circuit breaker body 1 is the same as the drawing direction of the drawer, in this embodiment, as shown in fig. 26, the circuit breaker body 1 is fixed on the bottom plate 35 in a normal position, and the operation panel 37 where the circuit breaker handle 36 is located is disposed toward the top opening of the installation cavity 31.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. The utility model provides a drawer type switch cabinet, includes the cabinet body, and locates the internal drawer of cabinet, its characterized in that, the drawer includes:

a drawer body (30) having a mounting cavity (31) adapted to mount a molded case circuit breaker;

the molded case circuit breaker comprises a circuit breaker body (1) and a plurality of first conductive pieces (2) arranged on one side of a wire inlet end of the circuit breaker body (1), wherein the length extending direction of the circuit breaker body (1) is the same as the drawing direction of the drawer;

the plug-in components are arranged on one side of the wire inlet end of the breaker body (1) and extend out of the drawer body (30), and the plug-in components are connected with the first conductive pieces (2) and suitable for being plugged with a wire inlet busbar (41).

2. The switchgear cabinet according to claim 1, wherein the incoming line end of the circuit breaker body (1) can be extended out of the drawer body (30).

3. The drawer-type switchgear cabinet according to claim 1 or 2, wherein a plurality of the first conductive members (2) are spaced apart along the width direction of the circuit breaker body (1), and the first conductive members (2) comprise:

the first connecting plate (3) extends along the height direction of the circuit breaker body (1) and is suitable for being assembled with the plug-in assembly;

the second connecting plate (4) is connected with one end of the first connecting plate (3) and extends along the length direction of the circuit breaker body (1), and the second connecting plate (4) is suitable for being connected with a contact plate (6) inside the circuit breaker body (1).

4. The drawer-type switch cabinet as claimed in claim 3, characterized in that the other end of the first connecting plate (3) away from the second connecting plate (4) is provided with a third connecting plate (5) connected with the second connecting plate in a bending manner, the third connecting plate (5) extends along the height direction of the circuit breaker body (1) and is assembled with the plug assembly through a fastening assembly, and the two third connecting plates (5) of two adjacent first conductive members (2) are respectively located in two different vertical planes.

5. The drawer-type switch cabinet according to any one of claims 1 to 4, characterized in that the circuit breaker body (1) is provided with a first limiting structure adapted to limit the position of the plug assembly when the incoming busbar (41) is plugged into or unplugged from the plug assembly, and/or a second limiting structure adapted to limit the position of the first conductive member (2).

6. The drawer-type switch cabinet according to claim 5, wherein a first opening (9) for the first conductive member (2) to extend out for assembling with the plug-in assembly is formed on a first panel (8) at one side of the circuit breaker body (1), and the first limiting structure comprises:

at least one lug (10) is arranged on the edge of the inserting assembly, and the lug (10) is suitable for abutting against the first panel (8) when the incoming busbar (41) is inserted.

7. The drawer switch cabinet of claim 5, wherein the first limit stop further comprises:

the first stop block (11) is arranged on one side, far away from the convex block (10), of the first panel (8), and the first stop block (11) is suitable for abutting against the convex block when the incoming busbar (41) is pulled out.

8. A drawer-type switchgear cabinet according to claim 7, characterized in that the first stopper (11) has a second opening (12) provided adjacent thereto for the insertion or extraction of the projection (10), the plug-in assembly has an assembly position in which the projection (10) abuts against the first stopper (11), and a disassembly position in which the projection (10) is separated from the first stopper (11) and can be extracted from the second opening (12).

9. The drawer-type switch cabinet according to claim 8, characterized in that at least one of the protrusions (10) is disposed on each side of the plug-in assembly, and the first stop (11) corresponding to the protrusion (10) is disposed on the first panel (8).

10. The drawer switch cabinet as claimed in any one of claims 5 to 9, wherein the second limit structure comprises:

and the second stop block (13) is arranged on the circuit breaker body (1) or the first panel (8) and can be abutted against the first surface, far away from the plug-in assembly, of the first conductive piece (2).

11. The drawer switch cabinet as claimed in any one of claims 5 to 10, wherein the second limit structure further comprises:

and the third stop block (14) is arranged on the circuit breaker body (1) or the first panel (8) and can be abutted against the second surface, adjacent to the plug-in assembly, of the first conductive piece (2).

12. The drawer-type switch cabinet according to claim 1, characterized in that a first partition (39) and/or a second partition (40) is/are arranged between two adjacent plug-in modules, the first partition (39) extends along the height direction of the drawer body (30), and the second partition (40) extends along the length direction of the drawer body (30).

13. The drawer switch cabinet as claimed in claim 1, wherein the plug assembly comprises:

the plug connector (15) is provided with a plug main body (16) and two fourth connecting plates (17) connected with the plug main body (16), and the two fourth connecting plates (17) are opposite to form a first slot (7) for inserting the incoming busbar (41);

elastic component (19), locate on plug connector (15), elastic component (19) court fourth connecting plate (17) apply with the female elastic force that offsets of (41) is arranged to the inlet wire.

14. A drawer-type switchgear cabinet according to claim 13, characterized in that the elastic member (19) is a split ring having a notch, and the two sides of the notch of the split ring are respectively provided with an elastic arm (20) elastically abutting against the corresponding fourth connecting plate (17).