Waterproof air circuit breaker

Abstract

The utility model provides a waterproof air circuit breaker, and relates to the technical field of air circuit breakers, the waterproof air circuit breaker comprises a waterproof cover, one side of the inner wall of the waterproof cover is fixedly connected with a circuit breaker body, one side of the circuit breaker body is provided with an operation switch, one side of the waterproof cover is rotatably connected with a door body, and the door body is provided with an opening. A waterproof cover is arranged on the top of the circuit breaker body, a fixing device is arranged between the door body and the waterproof cover, a plurality of wire bodies are uniformly arranged at the top and the bottom of the circuit breaker body, and the wire bodies are inserted into the inner wall of the waterproof cover. The first threaded rod and the second threaded rod can respectively drive one clamping plate to get close to each other until the two clamping plates completely clamp the wire body, so that the pulling force applied to the joint of the metal wire and the circuit breaker body can be reduced when the wire body is pulled, the metal wire can be prevented from being broken, and normal use of the air circuit breaker is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of air circuit breakers, in particular to a waterproof air circuit breaker. Background Art

[0002] An air circuit breaker is a switch that automatically disconnects as long as the current in the circuit exceeds the rated current. It integrates control and multiple protection functions. In addition to completing contact and circuit disconnection, it can also protect circuits or electrical equipment from short circuits, severe overloads, and undervoltages.

[0003] When installing an air circuit breaker, the metal conductor of the wire body needs to be connected to the air circuit breaker with bolts. However, during the subsequent installation of the air circuit breaker, it is easy to pull the wire body, which may cause the metal conductor part of the wire body to break, and then cause poor connection between the wire body and the air circuit breaker, affecting the normal use of the air circuit breaker. Utility Model Content

[0004] The utility model proposes a waterproof air circuit breaker to solve the problem that during the installation of the air circuit breaker, the wire body is easily pulled, which may cause the metal conductor part of the wire body to break, and then cause poor connection between the wire body and the air circuit breaker, affecting the normal use of the air circuit breaker.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a waterproof air circuit breaker, comprising a waterproof cover, one side of the inner wall of the waterproof cover is fixedly connected to the circuit breaker body, one side of the circuit breaker body is provided with an operating switch, one side of the waterproof cover is rotatably connected to the door body, a fixing device is provided between the door body and the waterproof cover, the top and bottom of the circuit breaker body are evenly provided with a plurality of wire bodies, the wire bodies are inserted into the inner wall of the waterproof cover, and the top and bottom of the waterproof cover are provided with auxiliary devices, the auxiliary device includes two auxiliary plates, one side of the two auxiliary plates is symmetrically fixedly connected to one side of the waterproof cover, the inner walls of the two auxiliary plates are respectively provided with a first threaded rod and a second threaded rod, the ends of the first threaded rod and the second threaded rod are fixedly connected, the threads of the first threaded rod and the second threaded rod are the same size and opposite direction, the outer surfaces of the first threaded rod and the second threaded rod are threadedly connected with clamps, and the two clamps are symmetrically arranged on both sides of the plurality of wire bodies.

[0006] The effect achieved by the above components is: by setting two clamping plates, under the action of the first threaded rod and the second threaded rod, the first threaded rod and the second threaded rod will respectively drive one clamping plate closer to each other until the two clamping plates completely clamp the wire body, thereby reducing the tension at the connection between the metal wire and the circuit breaker body when the wire body is pulled, thereby preventing the metal wire from breaking and facilitating the normal use of the air circuit breaker.

[0007] Preferably, the outer surfaces of the first threaded rod and the second threaded rod are both fixedly connected to bearings, and the outer surfaces of the bearings are fixedly connected to the inner wall of the auxiliary plate.

[0008] The effect achieved by the above components is: by setting the bearings, the friction between the first threaded rod and the second threaded rod and the auxiliary plate can be reduced when the first threaded rod and the second threaded rod are rotated, thereby making it more labor-saving when rotating the first threaded rod and the second threaded rod.

[0009] Preferably, the ends of the first threaded rod and the second threaded rod that are away from each other are fixedly connected to an operating block, and the outer surface of the operating block is provided with a protrusion.

[0010] The effect achieved by the above components is: by setting the operating block, rotating the operating block can drive the first threaded rod and the second threaded rod to rotate. At the same time, the outer surface of the operating block is provided with a protrusion, which can effectively increase the friction force of the outer surface of the operating block and have an anti-slip effect when rotating the operating block.

[0011] Preferably, the inner walls of the two clamping plates are slidably connected to a same round rod, and both ends of the round rod are fixedly connected to one side of the two auxiliary plates respectively.

[0012] The effect achieved by the above components is: by setting the round rod, when the two splints move under the action of the first threaded rod and the second threaded rod respectively, the splints will slide synchronously on the outer surface of the round rod, and the splints can play a role of limiting.

[0013] Preferably, the adjacent sides of the two clamping plates are fixedly connected with rubber plates, and grooves are evenly formed on one side of the rubber plates.

[0014] The effect achieved by the above components is: by setting a rubber plate with grooves, it can replace one side of the splint to abut against the outer surface of the wire body, which can increase the friction between the wire body and the splint while providing a certain degree of protection for the wire body.

[0015] Preferably, the fixing device includes a first extension block, one side of which is fixedly connected to one side of the door body, a slot is provided on one side of the first extension block, one side of the waterproof cover is fixedly connected to a second extension block, and one side of the second extension block is fixedly connected to a threaded pin.

[0016] The effect achieved by the above components is: by setting a threaded pin and rotating the door body so that the threaded pin enters the inner wall of the slot, the threaded pin can fix the door body connected to the first extension block, preventing the door body from rotating and causing the circuit breaker body to break away from the shielding and protection of the door body.

[0017] Preferably, a nut is provided on the outer surface of the threaded pin, and the outer surface of the threaded pin is inserted into the inner wall of the nut.

[0018] The effect achieved by the above components is: by setting a nut, sleeve the nut on one end of the threaded pin, and rotate the nut so that one side of the nut squeezes the first extension block until one side of the door body abuts against one side of the waterproof cover, the door body can be fixed to prevent the door body from escaping from the limit of the threaded pin.

[0019] Preferably, a gasket is fixedly connected to one side of the nut, and the outer surface of the threaded pin is inserted into the inner wall of the gasket.

[0020] The effect achieved by the above components is that by providing a gasket, one side of the nut can be replaced to abut against one side of the first extension block, which is helpful to prevent the nut from being loosened easily.

[0021] Compared with the prior art, the advantages and positive effects of the present invention are:

[0022] In the utility model, by providing two clamping plates, under the action of the first threaded rod and the second threaded rod, the first threaded rod and the second threaded rod can respectively drive one clamping plate closer to each other until the two clamping plates completely clamp the wire body. This can reduce the tension at the connection between the metal wire and the circuit breaker body when the wire body is pulled, thereby preventing the metal wire from breaking and facilitating the normal use of the air circuit breaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the utility model;

[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the auxiliary device of the utility model;

[0025] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure at point A;

[0026] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure at point B.

[0027] Legend: 1. Waterproof cover; 2. Circuit breaker body; 3. Operating switch; 4. Door body; 5. Fixing device; 51. First extension block; 52. Slot; 53. Threaded pin; 54. Nut; 55. Gasket; 6. Wire body; 7. Auxiliary device; 71. Auxiliary plate; 72. First threaded rod; 73. Second threaded rod; 74. Clamp; 75. Bearing; 76. Operating block; 77. Round rod; 78. Rubber sheet. DETAILED DESCRIPTION

[0028] Example 1, with reference to Figure 1-Figure 3 As shown, this embodiment discloses a waterproof air circuit breaker, including a waterproof cover 1, one side of the inner wall of the waterproof cover 1 is fixedly connected to the circuit breaker body 2, one side of the circuit breaker body 2 is provided with an operating switch 3, one side of the waterproof cover 1 is rotatably connected to the door body 4, a fixing device 5 is provided between the door body 4 and the waterproof cover 1, the top and bottom of the circuit breaker body 2 are evenly provided with a plurality of wire bodies 6, the wire bodies 6 are inserted into the inner wall of the waterproof cover 1, the top and bottom of the waterproof cover 1 are provided with auxiliary devices 7, the auxiliary device 7 includes two auxiliary plates 71, one side of the two auxiliary plates 71 is symmetrically fixedly connected to one side of the waterproof cover 1, the inner walls of the two auxiliary plates 71 are respectively provided with a first threaded rod 72 and a second threaded rod 73, the first threaded rod 72 and the second threaded rod 73 are close to each other The proximal end is fixedly connected, the threads of the first threaded rod 72 and the second threaded rod 73 are of the same size and in opposite directions, the outer surfaces of the first threaded rod 72 and the second threaded rod 73 are threadedly connected with a clamping plate 74, and the two clamping plates 74 are symmetrically arranged on both sides of the plurality of wire bodies 6. By setting the two clamping plates 74, under the action of the first threaded rod 72 and the second threaded rod 73, the first threaded rod 72 and the second threaded rod 73 are rotated, and the first threaded rod 72 and the second threaded rod 73 will respectively drive a clamping plate 74 to approach each other until the two clamping plates 74 completely clamp the wire body 6, which can reduce the tension at the connection between the metal wire and the circuit breaker body 2 when the wire body 6 is pulled, thereby preventing the metal wire from breaking and facilitating the normal use of the air circuit breaker.

[0029] Reference Figure 2 and Figure 3The first and second threaded rods 72 and 73 are fixedly connected to the outer surfaces of the first threaded rod 72 and the second threaded rod 73, and the outer surfaces of the bearings 75 are fixedly connected to the inner wall of the auxiliary plate 71. By providing the bearings 75, the friction between the first and second threaded rods 72 and 73 and the auxiliary plate 71 can be reduced when the first and second threaded rods 72 and 73 are rotated, thereby making it easier to rotate the first and second threaded rods 72 and 73; the ends of the first and second threaded rods 72 and 73 away from each other are fixedly connected to the operating block 76, and the outer surface of the operating block 76 is provided with a protrusion. By providing the operating block 76, rotating the operating block 76 can drive the first and second threaded rods 72 and 73 to rotate. At the same time, the outer surface of the operating block 76 is provided with a protrusion, which can effectively increase the friction of the outer surface of the operating block 76, thereby having an anti-slip effect when the operating block 76 is rotated.

[0030] Reference Figure 2 and Figure 3 As shown, the inner walls of the two clamping plates 74 are slidably connected to the same round rod 77, and the two ends of the round rod 77 are fixedly connected to one side of the two auxiliary plates 71. By setting the round rod 77, when the two clamping plates 74 move respectively under the action of the first threaded rod 72 and the second threaded rod 73, the clamping plates 74 will slide synchronously on the outer surface of the round rod 77, and the clamping plates 74 can play a role in limiting. The two clamping plates 74 are fixedly connected to the side close to each other with a rubber plate 78, and one side of the rubber plate 78 is evenly provided with grooves. By setting the rubber plate 78 with grooves, one side of the clamping plate 74 can be replaced to abut against the outer surface of the wire body 6, which can increase the friction between the wire body 6 and the clamping plate 74 while providing a certain protection for the wire body 6.

[0031] Reference Figure 2 and Figure 4 As shown, the fixing device 5 includes a first extension block 51, one side of the first extension block 51 is fixedly connected to one side of the door body 4, a slot 52 is provided on one side of the first extension block 51, one side of the waterproof cover 1 is fixedly connected to the second extension block, and one side of the second extension block is fixedly connected to a threaded pin 53. By setting the threaded pin 53, the door body 4 is rotated so that the threaded pin 53 enters the inner wall of the slot 52, and the threaded pin 53 can fix the door body 4 connected to the first extension block 51 to prevent the door body 4 from rotating and causing the circuit breaker body 2 to be separated from the shielding and protection of the door body 4.

[0032] Reference Figure 2 and Figure 4As shown, a nut 54 is provided on the outer surface of the threaded pin 53, and the outer surface of the threaded pin 53 is inserted into the inner wall of the nut 54. By setting the nut 54, the nut 54 is sleeved on one end of the threaded pin 53, and the nut 54 is rotated so that one side of the nut 54 squeezes the first extension block 51 until one side of the door body 4 abuts against one side of the waterproof cover 1, thereby fixing the door body 4 to prevent the door body 4 from escaping from the limit of the threaded pin 53; a gasket 55 is fixedly connected to one side of the nut 54, and the outer surface of the threaded pin 53 is inserted into the inner wall of the gasket 55. By setting the gasket 55, one side of the nut 54 can be replaced to abut against one side of the first extension block 51, which is beneficial to prevent the nut 54 from loosening easily.

[0033] When the locking cam 76 is in the unlock position, the locking cam 76 is in the unlock position, and the locking cam 76 is in the unlock position, so that the locking cam 76 is locked and the locking cam 76 is in the unlock position.

Claims

1. A waterproof air circuit breaker, comprising a waterproof cover (1), characterized in that: A circuit breaker body (2) is fixedly connected to one side of the inner wall of the waterproof cover (1), an operating switch (3) is provided on one side of the circuit breaker body (2), a door body (4) is rotatably connected to one side of the waterproof cover (1), a fixing device (5) is provided between the door body (4) and the waterproof cover (1), a plurality of wire bodies (6) are evenly provided on the top and bottom of the circuit breaker body (2), the wire bodies (6) are inserted into the inner wall of the waterproof cover (1), and an auxiliary device (7) is provided on the top and bottom of the waterproof cover (1), the auxiliary device (7) includes two auxiliary plates (71), the two auxiliary plates (72) and the auxiliary plates (73). One side of each auxiliary plate (71) is symmetrically fixedly connected to one side of the waterproof cover (1); the inner walls of the two auxiliary plates (71) are respectively provided with a first threaded rod (72) and a second threaded rod (73); the first threaded rod (72) and the second threaded rod (73) are fixedly connected at their adjacent ends; the threads of the first threaded rod (72) and the second threaded rod (73) are of the same size and opposite directions; the outer surfaces of the first threaded rod (72) and the second threaded rod (73) are both threadedly connected with a clamping plate (74); the two clamping plates (74) are symmetrically arranged on both sides of the plurality of linear bodies (6).

2. The waterproof air circuit breaker according to claim 1, characterized in that: The outer surfaces of the first threaded rod (72) and the second threaded rod (73) are both fixedly connected to bearings (75), and the outer surfaces of the bearings (75) are fixedly connected to the inner wall of the auxiliary plate (71).

3. The waterproof air circuit breaker according to claim 1, characterized in that: The ends of the first threaded rod (72) and the second threaded rod (73) that are away from each other are both fixedly connected to an operating block (76), and a protrusion is provided on the outer surface of the operating block (76).

4. The waterproof air circuit breaker according to claim 1, characterized in that: The inner walls of the two clamping plates (74) are slidably connected to a same round rod (77), and both ends of the round rod (77) are fixedly connected to one side of the two auxiliary plates (71).

5. The waterproof air circuit breaker according to claim 1, characterized in that: The adjacent sides of the two clamping plates (74) are both fixedly connected with a rubber plate (78), and grooves are evenly formed on one side of the rubber plate (78).

6. The waterproof air circuit breaker according to claim 1, characterized in that: The fixing device (5) comprises a first extension block (51), one side of the first extension block (51) is fixedly connected to one side of the door body (4), a slot (52) is provided on one side of the first extension block (51), one side of the waterproof cover (1) is fixedly connected to a second extension block, and one side of the second extension block is fixedly connected to a threaded pin (53).

7. The waterproof air circuit breaker according to claim 6, characterized in that: The outer surface of the threaded pin (53) is provided with a nut (54), and the outer surface of the threaded pin (53) is inserted into the inner wall of the nut (54).

8. The waterproof air circuit breaker according to claim 7, characterized in that: A washer (55) is fixedly connected to one side of the nut (54), and the outer surface of the threaded pin (53) is inserted into the inner wall of the washer (55).

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