Breaker plastic shell convenient to disassemble

Abstract

The utility model discloses a breaker plastic housing convenient to disassemble. The breaker plastic housing comprises a first housing, a second housing and a front housing. A shell connecting assembly is arranged between the first shell and the second shell, and a front shell mounting assembly is arranged on the first shell; the utility model relates to the technical field of circuit breakers, and has the following beneficial effects: the circuit breaker is divided into three parts and is quickly disassembled and assembled through the shell connecting assembly and the front shell mounting assembly, a certain part is independently disassembled by the jaw according to different conditions, and meanwhile, the circuit breaker is assembled without being fixed by a bolt; and the service life of the plastic circuit breaker shell can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of operation monitoring of pneumatic valve position transmitters, in particular to a circuit breaker plastic shell which is convenient to disassemble. Background Art

[0002] A circuit breaker is a switching device that can close, carry and disconnect current under normal circuit conditions and can close, carry and disconnect current under abnormal circuit conditions within a specified time; its casing is usually made of plastic. The casing of a traditional circuit breaker has a simple structure and can only be divided into two parts, which are assembled by bolts. However, after a circuit breaker fails, the casing needs to be disassembled and assembled. However, the plastic casing will cause the threaded holes to loosen after multiple disassembly and assembly using bolts. Utility Model Content

[0003] To achieve the above objectives, the utility model is implemented through the following technical solutions: a circuit breaker plastic housing that is easy to disassemble, comprising a first housing, a second housing and a front housing; a housing connection assembly is provided between the first housing and the second housing, and a front housing mounting assembly is provided on the first housing;

[0004] The shell connection assembly includes: a side buckle frame, a buckle frame, a clamping plate, an adjustment slot, a return spring and a slider;

[0005] The side buckle frames are installed on both sides of the second shell, the buckle frames are installed on the side buckle frames, the slider is installed on the buckle frames, the adjustment slot is opened in the card plate, the card plate is installed on the slider through the adjustment slot, the return spring is installed in the adjustment slot and rests on the slider, and the first shell and the second shell can be assembled through this component.

[0006] Preferably, the front housing mounting assembly comprises: a connecting plate, a first buckle slot, a connecting buckle, a plug hole, a second buckle slot, a locking buckle, a spring and a pull ring;

[0007] The connecting plate is installed on the upper and lower sides of the front shell body, the first buckle groove is installed in the connecting plate, the connecting buckle is installed in the first buckle groove, the insertion hole is opened on the second shell body, the second buckle groove is opened on the second shell body and is connected with the insertion hole, the locking buckle is installed in the second buckle groove and extends into the insertion hole and the other end extends out of the second shell body, the spring is installed in the second buckle groove and is sleeved on the locking buckle, the pull ring is connected to the locking buckle, and the front shell body can be assembled through this component.

[0008] Preferably, wiring holes are provided on upper and lower sides of the first shell and the second shell.

[0009] Preferably, docking limit plates are provided on the upper and lower sides of the second shell.

[0010] Preferably, a rubber pad is provided on the card plate.

[0011] Preferably, a mounting frame is provided at the rear of the first shell.

[0012] Beneficial Effects

[0013] The circuit breaker plastic housing which is easy to disassemble has the following beneficial effects:

[0014] In this case, the circuit breaker is divided into three parts and quickly disassembled and assembled through the shell connecting assembly and the front shell mounting assembly. A certain part can be disassembled separately according to different situations, and the assembly is not performed by bolt fixing, which can extend the service life of the plastic circuit breaker casing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the three-dimensional appearance structure of a circuit breaker plastic housing that is easy to disassemble.

[0016] Figure 2 The utility model is a schematic diagram of a three-dimensional split structure of a circuit breaker plastic housing that is easy to disassemble.

[0017] Figure 3 The utility model is a schematic diagram of a top view of a circuit breaker plastic housing that is easy to disassemble.

[0018] Figure 4 The utility model is a schematic diagram of a split structure of a circuit breaker plastic housing that is easy to disassemble as viewed from above.

[0019] Figure 5 The utility model is a three-dimensional rear view structural schematic diagram of a circuit breaker plastic housing that is easy to disassemble.

[0020] Figure 6 It is a partially enlarged schematic diagram of a shell connection assembly of a circuit breaker plastic housing that is easily disassembled according to the utility model.

[0021] Figure 7-8 It is a partially enlarged structural schematic diagram of a front housing mounting assembly of a circuit breaker plastic housing that is easily disassembled according to the utility model.

[0022] In the figure: 1, first housing; 2, second housing; 3, front housing; 4, side buckle frame; 5, buckle frame; 6, clamping plate; 7, adjustment slot; 8, return spring; 9, slider; 10, connecting plate; 11, first buckle slot; 12, connecting buckle; 13, jack; 14, second buckle slot; 15, locking buckle; 16, spring; 17, pull ring; DETAILED DESCRIPTION

[0023] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0024] See also Figure 1-8 , the utility model provides a technical solution.

[0025] A circuit breaker plastic housing that is easy to disassemble, comprising a first housing 1, a second housing 2 and a front housing 3; a housing connection assembly is provided between the first housing 1 and the second housing 2, and a front housing 3 mounting assembly is provided on the first housing 1;

[0026] The shell connecting assembly includes: a side buckle frame 4, a buckle frame 5, a clamping plate 6, an adjustment slot 7, a return spring 8 and a slider 9;

[0027] The side buckle frame 4 is installed on both sides of the second shell 2, the buckle frame 5 is installed on the side buckle frame 4, the slider 9 is installed on the buckle frame 5, the adjustment slot 7 is opened in the card plate 6, the card plate 6 is installed on the slider 9 through the adjustment slot 7, and the return spring 8 is installed in the adjustment slot 7 and against the slider 9.

[0028] It should be noted that when assembling the first shell 1 and the second shell 2, the second shell 2 is docked against the rear of the first shell 1 to complete the assembly and fixation, so that the snap frame 5 is snapped on from both sides of the first shell 1, and then the card plate 6 is clamped by the return spring 8. When the first shell 1 and the second shell 2 need to be disassembled, the card plate 6 can be pushed to move outward in the adjustment groove 7 through the slider 9, so that the card plate 6 and the rear of the first shell 1 are released, and then the second shell 2 can be disassembled.

[0029] Preferably, further, the front housing 3 mounting assembly includes: a connecting plate 10, a first buckle slot 11, a connecting buckle 12, a plug hole 13, a second buckle slot 14, a locking buckle 15, a spring 16 and a pull ring 17;

[0030] The connecting plate 10 is installed on the upper and lower sides of the front shell body 3, the first buckle groove 11 is installed in the connecting plate 10, the connecting buckle 12 is installed in the first buckle groove 11, the insertion hole 13 is opened on the second shell body 2, the second buckle groove 14 is opened on the second shell body 2 and communicates with the insertion hole 13, the locking buckle 15 is installed in the second buckle groove 14 and extends into the insertion hole 13, and the other end extends out of the second shell body 2, the spring 16 is installed in the second buckle groove 14 and is sleeved on the locking buckle 15, and the pull ring 17 is connected to the locking buckle 15.

[0031] It should be noted that when assembling the front shell 3 and the second shell 2, the connecting buckle 12 is inserted into the socket 13, and then the connecting buckle 12 is pressed to push the connecting buckle 12 outward from the first buckle groove 11, and then the connecting buckle 12 can be engaged with the locking buckle 15 to complete the installation of the front shell 3. When the front shell 3 needs to be disassembled, the pull ring 17 can be pulled to pull the front end of the locking buckle 15 from the socket 13 back to the second buckle groove 14 to release the engagement between the connecting buckle 12 and the locking buckle 15, and then the connecting buckle 12 can be pulled out of the socket 13 to complete the disassembly of the front shell 3.

[0032] Preferably, further, the first shell 1 and the second shell 2 are provided with wiring holes on the upper and lower sides.

[0033] It should be noted that the wiring holes are used to connect wires when the circuit breaker is assembled and used.

[0034] Preferably, further, the second shell 2 is provided with docking limit plates on the upper and lower sides.

[0035] It should be noted that the docking limit plate is used for accurate positioning when the second housing 2 is installed.

[0036] Preferably, a rubber pad is provided on the clamping plate 6 .

[0037] It should be noted that the rubber pad is used to push the card plate 6 more conveniently.

[0038] Preferably, a mounting frame is provided at the rear of the first shell 1 .

[0039] It should be noted that the mounting frame is used to assist in mounting the first housing 1 on the wall.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circuit breaker plastic housing that is easy to disassemble, comprising a first housing, a second housing and a front housing; characterized in that: A shell connecting component is provided between the first shell and the second shell, and a front shell mounting component is provided on the first shell; The shell connection assembly includes: a side buckle frame, a buckle frame, a clamping plate, an adjustment slot, a return spring and a slider; The side buckle frames are installed on both sides of the second shell, the buckle frames are installed on the side buckle frames, the slider is installed on the buckle frames, the adjustment slot is opened in the card plate, the card plate is installed on the slider through the adjustment slot, and the return spring is installed in the adjustment slot and against the slider.

2. The easily disassembled circuit breaker plastic housing according to claim 1, characterized in that: The front housing mounting assembly comprises: a connecting plate, a first buckle slot, a connecting buckle, a plug hole, a second buckle slot, a locking buckle, a spring and a pull ring; The connecting plate is installed on the upper and lower sides of the front shell body, the first buckle groove is installed in the connecting plate, the connecting buckle is installed in the first buckle groove, the plug hole is opened on the second shell body, the second buckle groove is opened on the second shell body and is connected with the plug hole, the locking buckle is installed in the second buckle groove and extends into the plug hole and the other end extends out of the second shell body, the spring is installed in the second buckle groove and is sleeved on the locking buckle, and the pull ring is connected to the locking buckle.

3. The easily disassembled circuit breaker plastic housing according to claim 1, characterized in that: The first shell and the second shell are provided with wiring holes on the upper and lower sides.

4. The easily disassembled plastic housing of a circuit breaker according to claim 1, characterized in that: The second shell is provided with docking limit plates on the upper and lower sides.

5. The easily disassembled circuit breaker plastic housing according to claim 1, characterized in that: The card plate is provided with a rubber pad.

6. The easily disassembled circuit breaker plastic housing according to claim 1, characterized in that: A mounting frame is provided at the rear of the first shell.

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