CN220963179U

CN220963179U - Circuit breaker plastic case convenient to detach

Info

Publication number: CN220963179U
Application number: CN202322596800.1U
Authority: CN
Inventors: 尚济铭; 蔡金明; 陈孔丰
Original assignee: Yueqing Jinchi Electric Appliance Co ltd
Current assignee: Yueqing Jinchi Electric Appliance Co ltd
Priority date: 2023-09-23
Filing date: 2023-09-23
Publication date: 2024-05-14
Anticipated expiration: 2033-09-23

Abstract

The application relates to the technical field of plastic shells and discloses a circuit breaker plastic shell convenient to detach, which comprises an upper shell, a middle shell and a lower shell, wherein the middle shell and the lower shell are mutually clamped, a mounting hole is formed in the upper shell, a fixing strip is arranged on the upper shell, a fixing groove for inserting the fixing strip is formed in the middle shell, a limiting strip is connected in a sliding manner in the fixing groove, a fixing hole for allowing the limiting strip to pass through is formed in the side surface of the fixing strip, and an ejecting assembly is arranged on the limiting strip and can drive the limiting strip to be inserted into the fixing hole.

Description

Circuit breaker plastic case convenient to detach

Technical Field

The application relates to the technical field of plastic shells, in particular to a circuit breaker plastic shell convenient to detach.

Background

The molded case of the circuit breaker is to use a plastic insulator as a shell of the circuit breaker to protect the internal parts of the circuit breaker from the external environment and provide insulation, and the circuit breaker realizes control of a circuit by rotating a switch.

The circuit breaker plastic shell in the related art comprises an upper shell, a middle shell and a lower shell, wherein the middle shell and the lower shell can be used for coating internal parts of the circuit breaker, the middle shell and the lower shell are mutually fixed through clamping, a mounting hole is formed in the upper shell, a switch penetrates through the mounting hole, and the upper shell is fixedly connected with the middle shell through bolts.

When the circuit breaker needs to be maintained or checked, a worker can directly detach the middle shell and the lower shell, but the worker needs tools to detach the upper shell and the middle shell, so that the worker is inconvenient to detach the upper shell and the middle shell, and inconvenience is brought to the checking or maintenance of the circuit breaker.

Disclosure of utility model

In order to solve the problem that the upper shell and the middle shell are not easy to detach, the application provides a circuit breaker plastic shell convenient to detach.

The application provides a circuit breaker plastic shell convenient to detach, which adopts the following technical scheme:

The utility model provides a circuit breaker plastic case convenient to detach, includes epitheca, well shell and inferior valve, the mutual joint of well shell and inferior valve, the mounting hole has been seted up on the epitheca, be equipped with the fixed strip on the epitheca, set up on the well shell and supply fixed strip male fixed slot, sliding connection has spacing in the fixed slot, set up the fixed hole that supplies spacing to pass on the side of fixed strip, be equipped with on the spacing and pop out the subassembly, it can drive spacing to insert in the fixed hole to pop out the subassembly.

By adopting the technical scheme, the fixing strip is inserted into the fixing groove, and the limiting strip is inserted into the fixing hole, so that the limiting strip is limited, the ejecting assembly is used for limiting the limiting strip, the possibility that the limiting strip is separated from the fixing hole is reduced, the limiting strip can be stably positioned in the fixing hole, the firmness degree between the limiting strip and the fixing strip is enhanced, and the possibility that the upper shell is separated from the middle shell is reduced; the limiting strip is pushed by a worker, so that the limiting strip can be separated from the fixing hole, the limiting of the limiting strip to the fixing strip is released, and the upper shell can be separated from the middle shell.

Optionally, pop out the subassembly and include popping out the spring, set up on the cell wall of fixed slot and popped out the groove, pop out the spring setting in popping out the inslot, it can drive spacing to pass the fixed orifices to pop out the spring.

Through adopting above-mentioned technical scheme, set up in popping out the inslot through popping out the spring, let the cell wall that pops out the groove restrict popping out the spring, let the space that pops out the spring and buckle less, reduce the degree of buckling that pops out the spring and produce for popping out the spring and being difficult for impaired, extension pops out the life of spring.

Optionally, the end face of the limiting strip is provided with an inclined plane, the inclined plane is inclined towards the opening direction of the fixing groove towards the direction away from the pop-up spring, and when the fixing strip is inserted into the fixing groove, the fixing strip can be abutted against the inclined plane.

Through adopting above-mentioned technical scheme, when the fixed strip inserts in the fixed slot, the fixed strip can be along the incline direction on inclined plane, lets spacing towards popping up the direction removal of spring for spacing does not restrict the fixed strip, lets the fixed strip can insert in the fixed slot completely, thereby makes the staff need not to remove spacing, reduces staff's operation step.

Optionally, the lower shell is provided with a limiting rod, the end face of the limiting rod is provided with a limiting hole for the limiting rod to pass through, and the middle shell is provided with a perforation communicated with the limiting hole.

Through adopting above-mentioned technical scheme, pass through the perforation through the gag lever post and insert spacing downthehole for the gag lever post is fixed with spacing each other, lets spacing can not pop out the inslot and move, when the circuit breaker takes place the vibration, reduces to pop out the spring and produces vibration and drive the possibility that spacing removed, thereby strengthens the stability that spacing is located the fixed orifices, lets spacing can be more stable limit the fixed strip.

Optionally, the limit bar is provided with an operation block, the middle shell is provided with an operation hole communicated with the fixing groove, and the operation block can slide in the operation hole.

Through adopting above-mentioned technical scheme, through the operation piece in the downthehole slip of operation, in addition the operation piece sets up on spacing for the staff can drive spacing through the operation piece, and the staff of being convenient for drives the stopper and slides in the spacing inslot.

Optionally, a deformation band is arranged on the hole wall of the operation hole, and the deformation band can completely block the operation hole.

Through adopting above-mentioned technical scheme, through the complete shutoff operation hole of deformation area for the dust is difficult for getting into from the operation hole, reduces the possibility of ejecting the inside deposition of inslot, makes spacing smooth and easy slip in ejecting the spring, lets spacing can be stable carry out spacingly to the fixed strip.

Optionally, the upper shell is provided with a reinforcing strip, the middle shell is provided with a reinforcing groove, and when the reinforcing strip is inserted into the reinforcing groove, the fixing strip can be inserted into the fixing groove.

Through adopting above-mentioned technical scheme, insert the enhancement inslot through the strengthening strip for joint strength between epitheca and the mesochite obtains increasing, lets be difficult for leading to the fixed strip to take place to break because of external force between epitheca and the mesochite, strengthens the connection stability between epitheca and the mesochite.

Optionally, the draw-in groove has been seted up on the terminal surface of spacing, be equipped with the fixture block on the pore wall of fixed orifices, when the fixture block inserts in the draw-in groove, spacing can insert in the fixed orifices.

Through adopting above-mentioned technical scheme, insert in the draw-in groove through the fixture block for spacing can insert in the fixed orifices, make between spacing and the fixed strip can be stable each other, let spacing and the fixed connection between the strip more firm, reduce spacing and the possibility of fixed strip separation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The fixing strip is inserted into the fixing groove, and the limiting strip is inserted into the fixing hole, so that the limiting strip limits the fixing strip, and the possibility that the limiting strip is separated from the fixing hole is reduced; the limiting strip is pushed by the staff, so that the limiting strip can be separated from the fixing hole, the limit of the limiting strip to the fixing strip is released, the upper shell can be separated from the middle shell, and the maintenance or detection of the circuit breaker by the staff is facilitated.

2. Through the operation piece in the downthehole slip of operation, in addition the operation piece sets up in spacing for the staff can drive spacing through the operation piece, and the staff of being convenient for drives the stopper and slides in the spacing inslot.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present application;

FIG. 2 is an exploded view of a tamper evident stop lever in accordance with an embodiment of the present application;

FIG. 3 is a partial cross-sectional view of an embodiment of the present application showing an ejection slot;

FIG. 4 is an exploded view of a graphics card block according to an embodiment of the present application;

FIG. 5 is an exploded view showing an operation hole in an embodiment of the present application;

FIG. 6 is an exploded view of a salient reinforcing bar in an embodiment of the present application.

Reference numerals: 1. an upper case; 11. a mounting hole; 12. a fixing strip; 121. a fixing hole; 122. a clamping block; 13. reinforcing strips; 2. a middle shell; 21. a clamping structure; 22. a fixing groove; 23. an ejecting slot; 231. a sliding groove; 24. a limit bar; 241. a slide bar; 242. an inclined plane; 243. an operation block; 244. a limiting hole; 245. a clamping groove; 25. a spring is ejected; 26. an operation hole; 261. a deformation belt; 27. a reinforcing groove; 28. perforating; 3. a lower case; 31. and a limit rod.

Detailed Description

The application is described in further detail below with reference to fig. 1-6.

The embodiment discloses a circuit breaker plastic case convenient to detach. Referring to fig. 1, a circuit breaker plastic case convenient to disassemble includes an upper case 1, a middle case 2, and a lower case 3.

Referring to fig. 1 and 2, a mounting hole 11 is formed in the upper case 1, and the mounting hole 11 allows a switch of the circuit breaker to pass therethrough. The middle shell 2 is provided with a clamping structure 21, the middle shell 2 is fixed with the lower shell 3 through the clamping structure 21, and the middle shell 2 and the lower shell 3 cover the parts inside the circuit breaker.

Referring to fig. 3, two fixing bars 12 are fixedly connected to an end surface of the upper case 1, and the two fixing bars 12 are distributed along the mounting hole 11 to face each other. Two fixing grooves 22 are formed in the end face of the middle shell 2, and the fixing strips 12 are inserted into the fixing grooves 22. The slot wall of the fixed slot 22 is provided with an ejecting slot 23, and the ejecting slot 23 extends along the length direction perpendicular to the fixed slot 22. The ejecting groove 23 is provided with a limit bar 24, and the limit bar 24 can slide into the fixing groove 22 from the ejecting groove 23. The end face of the fixing strip 12 is provided with a fixing hole 121, and the fixing hole 121 is used for inserting the fixing strip 12.

Referring to fig. 3 and 4, the stopper 24 is provided with an ejector assembly capable of driving the stopper 24 to be inserted into the fixing hole 121. Two clamping blocks 122 are fixedly connected to the hole wall of the fixing hole 121, and the two clamping blocks 122 are distributed in a right opposite mode. Clamping grooves 245 are formed in the end faces of the two opposite sides of the limiting strip 24, and the clamping grooves 245 are used for inserting the clamping blocks 122. When the limiting bar 24 is inserted into the fixing hole 121, each clamping block 122 can be inserted into the corresponding clamping groove 245.

Referring to fig. 3 and 4, the ejection assembly includes an ejection spring 25, one end of the ejection spring 25 is fixedly connected to an end surface of the stopper 24, and the other end of the ejection spring 25 is fixedly connected to a bottom wall of the ejection slot 23. The end surface of the limit bar 24 facing the pop-up spring 25 is fixedly connected with a sliding rod 241, and the pop-up spring 25 is sleeved on the sliding rod 241. A slide groove 231 is provided in the bottom wall of the ejection groove 23, and the slide lever 241 is slidable in the slide groove 231.

Referring to fig. 3 and 4, the end surface of the stopper 24 remote from the pop-up spring 25 has a slope 242, and the slope 242 is inclined toward the opening direction of the fixing groove 22 in a direction remote from the pop-up spring 25. When the limiting bar 24 abuts against the groove wall of the fixed groove 22, one side of the inclined plane 242 away from the bottom wall of the fixed groove 22 is located in the ejecting groove 23, i.e. the inclined plane 242 is located on the insertion path of the fixed bar 12.

Referring to fig. 3 and 5, an operation block 243 is fixedly connected to an end surface of the limit bar 24, and an operation hole 26 communicating with the ejection slot 23 is formed in an end surface of the middle case 2, and the operation hole 26 extends in a longitudinal direction of the ejection slot 23. The operation block 243 is slidable in the operation hole 26. The end face of the operation block 243 is fixedly connected with a deformation band 261, the end face of the deformation band 261 away from the operation block 243 is fixedly connected with the hole wall of the operation hole 26, and the deformation band 261 has deformation capability. When the limit bar 24 is inserted into the fixed slot 22, the operation block 243 abuts against the operation hole 26 and approaches the hole wall of the fixed slot 22, and the deformation band 261 and the operation block 243 completely block the opening of the operation hole 26.

Referring to fig. 6, a plurality of reinforcing bars 13 are fixedly connected to an end surface of the upper case 1, and the plurality of reinforcing bars 13 are distributed along a rectangular array of the upper case 1. The end face of the middle shell 2 is provided with a plurality of reinforcing grooves 27, the plurality of reinforcing grooves 27 are distributed along the rectangular array of the middle shell 2, and each reinforcing strip 13 can be inserted into the corresponding reinforcing groove 27. When the reinforcing bar 13 is inserted into the reinforcing groove 27, the fixing bar 12 can be inserted into the fixing groove 22.

Referring to fig. 3, the lower case 3 is fixedly connected with a limiting rod 31, a limiting hole 244 through which the limiting rod 31 passes is formed on an end surface of the limiting bar 24, a through hole 28 communicating with the ejection slot 23 is formed on an end surface of the middle case 2, and the limiting rod 31 can pass through the through hole 28 and be inserted into the limiting hole 244. When the limit bar 24 is inserted into the fixing hole 121, the limit hole 244 can be aligned with the through hole 28, so that the limit rod 31 is conveniently inserted into the limit hole 244.

The embodiment of the application provides a circuit breaker plastic case convenient to detach, which is implemented by the following principle: the worker first separates the lower case 3 from the middle case 2, allows the operation block 243 to move in the operation hole 26, and then removes the fixing bar 12 from the fixing groove 22, and separates the upper case 1 from the middle case 2.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," "third," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. The terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. "upper", "lower", "left", "right", etc. are used merely to denote relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes.

The above embodiments are only preferred embodiments of the present application, and are not intended to limit the present application, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present application should be included in the scope of the present application.

Claims

1. The utility model provides a circuit breaker plastic case of convenient dismantlement, includes epitheca (1), well shell (2) and inferior valve (3), the mutual joint of well shell (2) and inferior valve (3), install mounting hole (11), its characterized in that have been seted up on epitheca (1): the fixing device is characterized in that a fixing strip (12) is arranged on the upper shell (1), a fixing groove (22) for the fixing strip (12) to be inserted is formed in the middle shell (2), a limiting strip (24) is connected in the fixing groove (22) in a sliding mode, a fixing hole (121) for the limiting strip (24) to penetrate through is formed in the side face of the fixing strip (12), an ejecting assembly is arranged on the limiting strip (24), and the ejecting assembly can drive the limiting strip (24) to be inserted into the fixing hole (121).

2. The molded case of a circuit breaker convenient to disassemble as recited in claim 1, wherein: the spring assembly comprises a spring (25), the groove wall of the fixed groove (22) is provided with a spring groove (23), the spring (25) is arranged in the spring groove (23), and the spring (25) can drive the limit strip (24) to penetrate through the fixed hole (121).

3. The molded case of a circuit breaker convenient to disassemble as claimed in claim 2, wherein: the end face of the limiting strip (24) is provided with an inclined surface (242), the inclined surface (242) is inclined towards the opening direction of the fixing groove (22) in the direction away from the ejection spring (25), and when the fixing strip (12) is inserted into the fixing groove (22), the fixing strip (12) can be abutted against the inclined surface (242).

4. The molded case of a circuit breaker convenient to disassemble as claimed in claim 2, wherein: the lower shell (3) is provided with a limiting rod (31), the end face of the limiting strip (24) is provided with a limiting hole (244) for the limiting rod (31) to pass through, and the middle shell (2) is provided with a perforation (28) communicated with the limiting hole (244).

5. The molded case of a circuit breaker convenient to disassemble as recited in claim 1, wherein: an operation block (243) is arranged on the limit strip (24), an operation hole (26) communicated with the fixing groove (22) is formed in the middle shell (2), and the operation block (243) can slide in the operation hole (26).

6. The molded case of a circuit breaker convenient to disassemble as recited in claim 5, wherein: the hole wall of the operation hole (26) is provided with a deformation band (261), and the deformation band (261) can completely seal the operation hole (26).

7. The molded case of a circuit breaker convenient to disassemble as recited in claim 1, wherein: the upper shell (1) is provided with a reinforcing strip (13), the middle shell (2) is provided with a reinforcing groove (27), and when the reinforcing strip (13) is inserted into the reinforcing groove (27), the fixing strip (12) can be inserted into the fixing groove (22).

8. The molded case of a circuit breaker convenient to disassemble as recited in claim 1, wherein: the end face of the limiting strip (24) is provided with a clamping groove (245), the hole wall of the fixing hole (121) is provided with a clamping block (122), and when the clamping block (122) is inserted into the clamping groove (245), the limiting strip (24) can be inserted into the fixing hole (121).