Explosion-proof motor wiring device

Abstract

The utility model relates to an explosion-proof motor wiring device, which comprises an explosion-proof motor body, a motor wiring device, a motor side surface junction box and fixing bolts, the motor side surface junction box is fixed on the side surface of the explosion-proof motor body, and the motor wiring device is fixed on the motor side surface junction box through the fixing bolts. The motor wiring device is composed of an external cable, a wiring device box body and bolt fixing positions, the external cable is connected to one side of the wiring device box body, the bolt fixing positions are arranged on the side edge of the wiring device box body at equal circumferential angles, and the fixing bolts penetrate through the bolt fixing positions. According to the explosion-proof motor wiring device, the arrangement of the explosion-proof motor wiring device is optimized, the wiring mode and structure of a traditional explosion-proof motor are changed, the wiring mode of the explosion-proof motor is greatly simplified, the structure has a good protection function, and the explosion-proof motor wiring device is suitable for popularization and application.

Description

Technical Field

[0001] The utility model relates to the field of explosion-proof motors, in particular to an explosion-proof motor wiring device. Background Art

[0002] An explosion-proof motor is actually a flameproof motor. It has a structure different from that used in ordinary environments and can prevent flammable gases and dust outside the motor from entering the motor to the greatest extent possible. Even if they do enter, even if a short circuit occurs inside the motor and a fire occurs, the flame will not escape from the casing and ignite the flammable gases and dust in the surrounding environment. The wiring of traditional explosion-proof motors is very complicated in terms of operation and components, which is not conducive to the installation and connection of explosion-proof motors. For this reason, an explosion-proof motor wiring device is designed. Utility Model Content

[0003] The purpose of the utility model is to provide an explosion-proof motor wiring device to solve the above technical problems. To achieve the above purpose, the utility model adopts the following technical solutions:

[0004] An explosion-proof motor wiring device comprises an explosion-proof motor body, a motor wiring device, a motor side wiring box, and fixing bolts. The motor side wiring box is fixed to the side of the explosion-proof motor body, and the motor wiring device is fixed to the motor side wiring box by fixing bolts. The motor wiring device consists of an external cable, a wiring device box body, and a bolt fixing position. The external cable is connected to one side of the wiring device box body. The bolt fixing positions are arranged in multiple groups, and the multiple groups of bolt fixing positions are arranged at equal circular angles on the side of the wiring device box body, and the fixing bolts pass through the bolt fixing positions.

[0005] On the basis of the above technical solution, the motor side terminal box is provided with a terminal groove, a fixing screw hole, a cable embedded groove, and a fixed terminal hole. The terminal groove is arranged at the center of the top surface of the motor side terminal box, the fixing screw holes are arranged at equal circular angles around the terminal groove, the cable embedded groove is arranged on one side of the terminal groove, the fixed terminal hole is arranged on the inner bottom side of the terminal groove, a sealing convex ring is arranged on the edge of the terminal groove, the external cable is embedded in the cable embedded groove, the terminal device box cover is placed on the top side of the terminal groove, and the bottom end of the fixing bolt is threadedly connected to the fixing screw hole.

[0006] On the basis of the above technical solution, a sealed embedded groove is provided on the bottom edge of the wiring device box body, a sealing rubber ring is provided in the sealed embedded groove, a sealing rubber sleeve is provided on the outside of the connection end between the external cable and the wiring device box body, a fixed terminal is provided on the bottom side of the wiring device box body, the sealing convex ring is embedded in the sealed embedded groove, and the sealing rubber ring is provided between the sealing convex ring and the embedded groove, the sealing rubber sleeve is provided between the cable embedded groove and the external cable, and the fixed terminal is correspondingly inserted in the fixed wiring hole.

[0007] Compared with the prior art, the utility model has the following advantages: the utility model optimizes the setting of the explosion-proof motor wiring device, changes the wiring method and structure of the traditional explosion-proof motor, greatly simplifies the wiring method of the explosion-proof motor, and the structure has good protection function, and is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 This is a diagram of the overall appearance of the utility model.

[0009] Figure 2 This is a schematic diagram of the motor wiring device of the utility model.

[0010] Figure 3 This is a detailed schematic diagram of the side terminal box of the motor of the utility model.

[0011] Figure 4 It is a detailed schematic diagram of the bottom and side of the motor wiring device of the utility model.

[0012] In the figure: explosion-proof motor body 1, motor wiring device 2, motor side wiring box 3, fixing bolts 4, external cables 5, wiring device box body 6, bolt fixing position 7, wiring groove 8, fixing screw hole 9, cable embedded groove 10, fixed wiring hole 11, sealing convex ring 12, sealing embedded groove 13, sealing rubber ring 14, sealing rubber sleeve 15, fixed terminal 16. DETAILED DESCRIPTION

[0013] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementations.

[0014] An explosion-proof motor wiring device comprises an explosion-proof motor body 1, a motor wiring device 2, a motor side wiring box 3, and a fixing bolt 4. The motor side wiring box 3 is fixed to the side of the explosion-proof motor body 1, and the motor wiring device 2 is fixed to the motor side wiring box 3 by the fixing bolt 4. The motor wiring device 2 is composed of an external cable 5, a wiring device box body 6, and a bolt fixing position 7. The external cable 5 is connected to one side of the wiring device box body 6. The bolt fixing position 7 is provided with multiple groups, and the multiple groups of bolt fixing positions 7 are arranged at equal circumferential angles on the side of the wiring device box body 6. The fixing bolt 4 passes through the bolt fixing position 7.

[0015] The motor side terminal box 3 is provided with a terminal groove 8, a fixing screw hole 9, a cable embedded groove 10, and a fixed terminal hole 11. The terminal groove 8 is arranged at the center of the top surface of the motor side terminal box 3, and the fixing screw holes 9 are arranged at equal circular angles around the terminal groove 8. The cable embedded groove 10 is arranged on one side of the terminal groove 8, and the fixed terminal hole 11 is arranged on the inner bottom side of the terminal groove 8. A sealing convex ring 12 is arranged on the edge of the terminal groove 8. The external cable 5 is embedded in the cable embedded groove 10, and the terminal device box body 6 is covered on the top side of the terminal groove 8. The bottom end of the fixing bolt 4 is threadedly connected to the fixing screw hole 9.

[0016] A sealed embedded groove 13 is provided on the bottom edge of the wiring device box body 6, and a sealing rubber ring 14 is provided in the sealed embedded groove 13. A sealing rubber sleeve 15 is provided on the outer side of the connection end between the external cable 5 and the wiring device box body 6. A fixed terminal 16 is provided on the bottom side of the wiring device box body 6. The sealing convex ring 12 is embedded in the sealed embedded groove 13, and the sealing rubber ring 14 is provided between the sealing convex ring 12 and the embedded groove. The sealing rubber sleeve 15 is provided between the cable embedded groove 10 and the external cable, and the fixed terminal 16 is correspondingly inserted in the fixed wiring hole 11.

[0017] Working principle of the utility model: the function of the structure is to facilitate installation and connection, and the structure is simple and has a protective function.

[0018] In terms of connection method, the motor wiring device 2 is provided with a fixed terminal 16, which can be directly docked with the motor side terminal box 3 and connected, and the operation is simple.

[0019] In terms of protection function, its structure is provided with a sealing convex ring 12, a sealing embedded groove 13, and a sealing rubber ring 14. The convex and concave design cooperates with the rubber ring to achieve a tight sealing effect, reduce the entry of outside air, dust, and moisture into the wiring connection part, and avoid the occurrence of short circuits. In addition, a sealing rubber sleeve 15 is provided on the external cable 5 to ensure the sealing of the contact position between the external cable 5 and the motor side terminal box 3.

[0020] The above is a preferred embodiment of the present invention. For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and variations made to the implementation methods are still within the scope of protection of the present invention.

Claims

1. An explosion-proof motor wiring device, characterized in that: The invention comprises an explosion-proof motor body (1), a motor wiring device (2), a motor side wiring box (3), and fixing bolts (4), wherein the motor side wiring box (3) is fixed to the side of the explosion-proof motor body (1), the motor wiring device (2) is fixed to the motor side wiring box (3) by means of fixing bolts (4), the motor wiring device (2) comprises an external cable (5), a wiring device box body (6), and a bolt fixing position (7), the external cable (5) is connected to one side of the wiring device box body (6), a plurality of bolt fixing positions (7) are arranged, and the plurality of bolt fixing positions (7) are arranged at equal circumferential angles on the side of the wiring device box body (6), and the fixing bolts (4) pass through the bolt fixing positions (7).

2. An explosion-proof motor wiring device according to claim 1, characterized in that: The motor side terminal box (3) is provided with a terminal slot (8), a fixing screw hole (9), a cable embedded slot (10), and a fixed terminal hole (11); the terminal slot (8) is arranged at the center of the top surface of the motor side terminal box (3); the fixing screw hole (9) is arranged at an equal circumferential angle around the terminal slot (8); the cable embedded slot (10) is arranged on one side of the terminal slot (8); the fixed terminal hole (11) is arranged on the inner bottom side of the terminal slot (8); a sealing convex ring (12) is arranged on the edge of the terminal slot (8); the external cable (5) is embedded in the cable embedded slot (10); the terminal device box body (6) is placed on the top side of the terminal slot (8); and the bottom end of the fixing bolt (4) is threadedly connected to the fixing screw hole (9).

3. An explosion-proof motor wiring device according to claim 2, characterized in that: The bottom edge of the wiring device box body (6) is provided with a sealed inner groove (13), a sealing rubber ring (14) is arranged in the sealed inner groove (13), a sealing rubber sleeve (15) is arranged on the outer side of the connection end between the external cable (5) and the wiring device box body (6), a fixed terminal (16) is arranged on the bottom side of the wiring device box body (6), the sealing convex ring (12) is embedded in the sealed inner groove (13), and the sealing rubber ring (14) is arranged between the sealing convex ring (12) and the inner groove, the sealing rubber sleeve (15) is arranged between the cable inner groove (10) and the external cable, and the fixed terminal (16) is correspondingly inserted into the fixed wiring hole (11).

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