Pluggable miniature circuit breaker

Abstract

The utility model provides a plug-in type miniature circuit breaker. Comprising a miniature circuit breaker, a limiting assembly is arranged on the right side of the miniature circuit breaker, and a plugging assembly is arranged on the right side of the miniature circuit breaker and located on the inner side of the limiting assembly; positioning rods are fixedly mounted on the right side of the miniature circuit breaker and located at the four corners of the mounting block, and positioning holes matched with the positioning rods are formed in the inner side of the mounting block. According to the plug-in type miniature circuit breaker provided by the utility model, all parts of the device are matched with each other, the plug-in rod is extruded by the reaction of the second elastic piece to be plugged into the inner side of the plug-in hole, the miniature circuit breaker is installed on the surface of the installation base, and the miniature circuit breaker can automatically bounce upwards when being inserted into the installation base; and in cooperation with the effect of the limiting assembly, the connecting block is clamped on the inner side of the connecting groove, so that the small-sized circuit breaker cannot be loosened, and the situation that the small-sized circuit breaker is separated from the base cannot occur.

Description

TECHNICAL FIELD

[0001] The utility model relates to small circuit breaker processing technical field especially, it relates to a plug -in small circuit breaker. BACKGROUND

[0002] The circuit breaker is the switch device that can close, carry and open the current under the normal circuit condition and can close, carry and open the current under the abnormal circuit condition for a prescribed time, the circuit breaker can be used to distribute electric energy, do not frequently start, carry out protection to power line and motor etc., when they occur serious overload or short circuit and under voltage fault, can automatically cut off the circuit.

[0003] In the related art, small circuit breaker is by fixed contact and movable contact device composition, through mechanical method separates small circuit breaker's movable contact and fixed contact, has realized the disconnection of circuit, however, the existing part small circuit breaker needs to replace or maintain when the circuit fails, it is more troublesome to operate, small circuit breaker is easy to come off or shift due to gravity, greatly reduced the practicability of device.

[0004] Therefore, it is necessary to provide a plug-in small circuit breaker to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model provides a plug-in small circuit breaker, solved the existing part small circuit breaker needs to replace or maintain when the circuit fails, it is more troublesome to operate, small circuit breaker is easy to come off or shift due to gravity, greatly reduced the practicability of device's problem.

[0006] To solve the above technical problems, the utility model provides a plug-in small circuit breaker, which comprises: a small circuit breaker, a limiting assembly is arranged on the right side of the small circuit breaker, and a plug-in assembly is arranged on the right side of the small circuit breaker and inside the limiting assembly.

[0007] The limiting assembly comprises a mounting base arranged on the right side of the small circuit breaker, drive blocks are arranged on the inner side of the mounting base near the top and the bottom, sliding holes are formed in the inner side of the mounting base for the left and right sliding of the drive blocks, drive rods are fixedly installed on the left side of the drive blocks, the left ends of the drive rods penetrate the inner side of the mounting base and are provided with limiting pieces, the right side of the limiting piece is provided with an adapter, and two adapter blocks are fixedly installed on the inner bottom side of the adapter.

[0008] The plug-in assembly comprises a mounting block arranged on the right side of the small circuit breaker and inside the limiting assembly, a plug-in rod is arranged through the front side of the mounting block, a groove is formed in the inner side of the mounting block for the forward and backward sliding of the plug-in rod, and a second elastic piece is arranged in the inner side of the groove to drive the sliding of the plug-in rod.

[0009] Preferably, a first elastic member for driving the driving block to slide rightward is provided inside the sliding hole and at the outer edge of the driving rod, and the surface of the limiting member is rotatably connected to the left end of the driving rod.

[0010] Preferably, a slot adapted to the mounting block is provided on the left side of the mounting base near the center, and a plug hole adapted to the plug rod is provided on the inner side of the mounting base and in front of the slot.

[0011] Preferably, the front end of the plug rod is semicircular, and the left side of the mounting block near the top and the bottom is provided with mounting openings adapted to the surface of the miniature circuit breaker.

[0012] Preferably, a connection seat adapted to the connection port is fixedly mounted on the surface of the miniature circuit breaker near the bottom and on the bottom, and a connection groove adapted to the connection block is provided on adjacent sides of the two connection seats.

[0013] Preferably, positioning rods are fixedly installed on the right side of the miniature circuit breaker and at the four corners of the mounting block, and positioning holes adapted to the positioning rods are opened on the inner side of the mounting block.

[0014] Compared with the related art, the pluggable miniature circuit breaker provided by the utility model has the following beneficial effects:

[0015] The utility model provides a pluggable miniature circuit breaker. By cooperating with each other in various components of the device, the plug-in rod is inserted into the inner side of the plug-in hole by the reaction of the second elastic member to install the miniature circuit breaker on the surface of the mounting base. The operation is simple and convenient. When the miniature circuit breaker is inserted into the mounting base, it will automatically spring up to complete the buckle, which greatly improves the practicality of the circuit breaker. With the function of the limit assembly, the connecting block is clamped into the inner side of the connecting groove, so that the miniature circuit breaker will not be loosened, thereby preventing the miniature circuit breaker from being separated from the base. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A structural diagram of a preferred embodiment of a pluggable miniature circuit breaker provided by the utility model;

[0017] Figure 2 for Figure 1 A schematic structural diagram of a side sectional view of the mounting base shown;

[0018] Figure 3 for Figure 1 The schematic diagram of the structure of the miniature circuit breaker shown in the side view;

[0019] Figure 4 for Figure 1 A schematic structural diagram of a side sectional view of the mounting block is shown.

[0020] Numbers in the figure: 10, small circuit breaker; 20, limit assembly; 21, mounting base; 22, drive block; 23, drive rod; 24, limit member; 25, connecting port; 26, connecting block; 27, first elastic member; 28, slot; 30, plug-in assembly; 31, mounting block; 32, plug-in rod; 33, groove; 34, second elastic member; 40, connecting seat; 50, connecting slot; 60, positioning rod. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0022] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 ,in, Figure 1 A structural diagram of a preferred embodiment of a pluggable miniature circuit breaker provided by the utility model; Figure 2 for Figure 1 A schematic structural diagram of a side sectional view of the mounting base shown; Figure 3 for Figure 1 The schematic diagram of the structure of the miniature circuit breaker shown in the side view; Figure 4 for Figure 1 A plug-in miniature circuit breaker includes: a miniature circuit breaker 10, a limit assembly 20 disposed on the right side of the miniature circuit breaker 10, and a plug assembly 30 disposed on the right side of the miniature circuit breaker 10 and inside the limit assembly 20;

[0023] The limiting assembly 20 includes a mounting base 21 disposed on the right side of the miniature circuit breaker 10. A driving block 22 is disposed on the inner side of the mounting base 21 near the top and bottom. A sliding hole is provided on the inner side of the mounting base 21 for the driving block 22 to slide left and right. A driving rod 23 is fixedly mounted on the left side of the driving block 22. The left end of the driving rod 23 passes through the inner side of the mounting base 21 and is provided with a limiting member 24. A connecting opening 25 is provided on the right side of the limiting member 24. Two connecting blocks 26 are fixedly mounted on the bottom inner side of the connecting opening 25.

[0024] Pull the limiter 24, the limiter 24 drives the driving rod 23 to move to the left, the driving rod 23 drives the driving block 22 to move, and squeezes the first elastic member 27, causing it to deform and shrink. When the limiter 24 moves to the far left, the limiter 24 is manually rotated to 180°, and the reaction force of the first elastic member 27 drives the limiter 24 to move to the right, so that the connecting port 25 is sleeved on the surface of the connecting seat 40, and the connecting block 26 is clamped on the inner side of the connecting groove 50, so that the miniature circuit breaker 10 will not loosen, and the miniature circuit breaker 10 will not be separated from the base.

[0025] The plug-in assembly 30 comprises a mounting block 31 arranged on the right side of the miniature circuit breaker 10 and inside the limiting assembly 20, a plug-in rod 32 is arranged through the front side of the mounting block 31, a groove 33, in which the plug-in rod 32 can slide forward and backward, is arranged in the inside of the mounting block 31, and a second elastic member 34, which drives the plug-in rod 32 to slide, is arranged in the inside of the groove 33.

[0026] During use, the miniature circuit breaker 10 is installed on the surface of the mounting base 21, the positioning rod 60 and the mounting block 31 are respectively plugged into the positioning hole and the clamping groove 28, and before installation, the plug-in rod 32 is manually pressed to slide backward in the inside of the groove 33 and to press the second elastic member 34 to contract, after installation, the plug-in rod 32 is plugged into the plug-in hole in the inside of the groove 33 through the counter-acting pressure of the second elastic member 34, the miniature circuit breaker 10 is installed on the surface of the mounting base 21, the operation is simple and convenient, the miniature circuit breaker 10 is automatically popped up when being inserted into the mounting base 21, the buckle is completed, and the practicability of the circuit breaker is greatly improved.

[0027] The first elastic member 27, which drives the driving block 22 to slide rightward, is arranged in the inside of the sliding hole and at the outer side edge of the driving rod 23, and the limiting member 24 is rotationally connected with the left end of the driving rod 23.

[0028] The clamping groove 28, which is matched with the mounting block 31, is arranged at the left side of the mounting base 21 and close to the center, and the plug-in hole, which is matched with the plug-in rod 32, is arranged in the inside of the mounting base 21 and at the front side of the clamping groove 28.

[0029] The front end of the plug-in rod 32 is semi-circular, and the mounting block 31 is arranged with the mounting hole, which is matched with the surface of the miniature circuit breaker 10, at the left side and close to the top and the bottom.

[0030] The engaging seat 40, which is matched with the engaging hole 25, is arranged at the left side of the miniature circuit breaker 10 and close to the top and the bottom, and the engaging groove 50, which is matched with the engaging block 26, is arranged at the adjacent side of the two engaging seats 40.

[0031] The positioning rod 60 is arranged at the right side of the miniature circuit breaker 10 and at the four corners of the mounting block 31, and the mounting block 31 is arranged with the positioning hole, which is matched with the positioning rod 60, in the inside.

[0032] The working principle of the plug-in miniature circuit breaker is as follows:

[0033] First step: during the use of the device, the miniature circuit breaker 10 is installed on the surface of the mounting base 21, the positioning rod 60 and the mounting block 31 are respectively inserted into the positioning hole and the clamping groove 28, and before installation, the insertion rod 32 is manually pressed to slide backward in the recess 33 and extrude the second elastic member 34 to shrink, after installation, the insertion rod 32 is inserted into the insertion hole through the counteraction of the second elastic member 34, the miniature circuit breaker 10 is installed on the surface of the mounting base 21, and the operation is simple and convenient; when the miniature circuit breaker 10 is inserted into the mounting base 21, it will automatically pop up to complete the buckle, and the practicability of the circuit breaker is greatly improved.

[0034] Second step: the limiting member 24 is pulled to drive the driving rod 23 to move to the left side, the driving rod 23 drives the driving block 22 to move and extrude the first elastic member 27 to deform and shrink, when the limiting member 24 moves to the leftmost side, the limiting member 24 is manually rotated to 180°, and then the limiting member 24 is driven to move to the right side through the counteraction of the first elastic member 27, the adapter port 25 is sleeved on the surface of the adapter seat 40, and the adapter block 26 is clamped in the adapter groove 50, so that the miniature circuit breaker 10 will not be loose, and the separation of the miniature circuit breaker 10 and the base will not occur.

[0035] Compared with the related art, the plug-in miniature circuit breaker has the following beneficial effects:

[0036] Through the cooperation of the various components of the device, the insertion rod 32 is inserted into the insertion hole through the counteraction of the second elastic member 34, the miniature circuit breaker 10 is installed on the surface of the mounting base 21, the operation is simple and convenient, when the miniature circuit breaker 10 is inserted into the mounting base 21, it will automatically pop up to complete the buckle, the practicability of the circuit breaker is greatly improved, the adapter block 26 is clamped in the adapter groove 50 through the action of the limiting assembly 20, the miniature circuit breaker 10 will not be loose, and the separation of the miniature circuit breaker 10 and the base will not occur.

[0037] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A pluggable miniature circuit breaker, characterized in that: include: A miniature circuit breaker (10), wherein a limit assembly (20) is provided on the right side of the miniature circuit breaker (10), and a plug-in assembly (30) is provided on the right side of the miniature circuit breaker (10) and located inside the limit assembly (20); The limiting assembly (20) includes a mounting base (21) arranged on the right side of the small circuit breaker (10), a driving block (22) is arranged near the top and bottom of the inner side of the mounting base (21), a sliding hole is opened on the inner side of the mounting base (21) for the driving block (22) to slide left and right, a driving rod (23) is fixedly installed on the left side of the driving block (22), the left end of the driving rod (23) passes through the inner side of the mounting base (21), and a limiting member (24) is provided, a connecting opening (25) is opened on the right side of the limiting member (24), and two connecting blocks (26) are fixedly installed on the bottom of the inner side of the connecting opening (25); The plug-in assembly (30) includes a mounting block (31) arranged on the right side of the small circuit breaker (10) and located inside the limit assembly (20); a plug-in rod (32) is provided through the front side of the mounting block (31); a groove (33) for the plug-in rod (32) to slide forward and backward is provided inside the mounting block (31); and a second elastic member (34) for driving the plug-in rod (32) to slide is provided inside the groove (33).

2. The pluggable miniature circuit breaker according to claim 1, characterized in that: A first elastic member (27) for driving the driving block (22) to slide rightward is provided inside the sliding hole and at the outer edge of the driving rod (23), and the surface of the limiting member (24) is rotatably connected to the left end of the driving rod (23).

3. The pluggable miniature circuit breaker according to claim 1, characterized in that: A slot (28) adapted to the mounting block (31) is provided on the left side of the mounting base (21) near the center, and a plug hole adapted to the plug rod (32) is provided on the inner side of the mounting base (21) and in front of the slot (28).

4. The pluggable miniature circuit breaker according to claim 1, characterized in that: The front end of the plug rod (32) is semicircular, and the left side of the mounting block (31) near the top and bottom is provided with mounting openings adapted to the surface of the miniature circuit breaker (10).

5. The pluggable miniature circuit breaker according to claim 1, characterized in that: The surface of the miniature circuit breaker (10) is fixedly mounted with a connection seat (40) adapted to the connection opening (25) near the bottom and at the bottom, and adjacent sides of the two connection seats (40) are each provided with a connection groove (50) adapted to the connection block (26).

6. The pluggable miniature circuit breaker according to claim 1, characterized in that: Positioning rods (60) are fixedly installed on the right side of the miniature circuit breaker (10) and at the four corners of the mounting block (31), and positioning holes adapted to the positioning rods (60) are provided on the inner side of the mounting block (31).

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