Safe and reliable explosion-proof motor

Abstract

The utility model is applicable to the technical field of explosion-proof motors, and provides a safe and reliable explosion-proof motor, which comprises a motor main body and a plurality of wiring anti-drop mechanisms, the upper surface of the motor main body is communicated with a wiring frame with an open top end, the interior of the wiring frame is transversely and fixedly connected with a transverse plate, and the upper surface of the transverse plate is vertically provided with a plurality of mounting holes in a penetrating manner. And binding posts are vertically and fixedly connected to the interiors of the plurality of mounting holes. According to the safe and reliable explosion-proof motor, through the arrangement of the wiring anti-falling mechanism, the device compresses a wire through the wiring anti-falling mechanism during wiring, when a rotating ring of the wiring anti-falling mechanism is rotated, the rotating ring moves downwards under the action of a threaded column until the connected wire is compressed, and after the rotating ring is compressed, the wiring anti-falling mechanism moves downwards to prevent the wiring anti-falling mechanism from falling off. And the plurality of positioning pins are pressed on the outer surface of the electric wire, and the connection stability of the device to the electric wire is improved through the plurality of positioning pins, so that the connected electric wire is prevented from being separated and broken, and the safety performance of the device is further improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of explosion -proof motor especially relates to a safe and reliable explosion -proof motor. BACKGROUND

[0002] Explosion -proof motor is a kind of motor that can be used in flammable and explosive places, does not generate electric spark when operating, and is mainly used in coal mine, oil and gas, petrochemical and chemical industry. As the main power equipment, it is usually used to drive pump, fan, compressor and other transmission machinery.

[0003] Explosion -proof motor uses explosion -proof enclosure to separate electrical parts that may generate sparks, arcs and dangerous temperature from surrounding explosive gas mixture, but the motor may also cause accidents due to wiring falling off during use. The wiring structure of the current explosion -proof motor is relatively simple, and cannot effectively and safely fix the connected wires. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of safe and reliable explosion -proof motor, to solve the wiring structure of the current explosion -proof motor is relatively simple, cannot effectively and safely fix the connected wires.

[0005] The utility model is realized as follows: a kind of safe and reliable explosion -proof motor, including motor main body and multiple wiring anti -falling mechanisms, the upper surface of the motor main body is communicated with the wiring frame of top open, the inside of the wiring frame is fixedly connected with the transverse plate in transverse direction, the upper surface of the transverse plate is vertically through and is equipped with multiple mounting holes, the inside of multiple mounting holes is vertically fixedly connected with wiring post, the top of multiple wiring posts is vertically fixedly connected with threaded column, multiple wiring anti -falling mechanisms are respectively arranged on the outer surface of multiple threaded columns;

[0006] The structure of multiple wiring anti -falling mechanisms is identical, one of the wiring anti -falling mechanisms includes rotating ring that is threadedly connected to the outer surface of threaded column, the top of rotating ring is vertically equipped with multiple spring pressing holes, the bottom of multiple spring pressing holes is vertically equipped with needle hole that is through to the bottom of rotating ring, the bottom of multiple spring pressing holes is vertically fixedly connected with spring, the top of multiple springs is fixedly connected with connecting piece in transverse direction, the bottom of multiple connecting pieces is vertically fixedly connected with positioning needle, the bottom of multiple positioning needles is respectively extended to the lower part of rotating ring through multiple needle holes.

[0007] Preferably, the outer surface of multiple rotating rings is fixedly connected with torsion piece.

[0008] Preferably, multiple spring pressing holes are evenly spaced along the circumferential direction of rotating ring.

[0009] Preferably, the bottom end of the outer surface of the plurality of threaded columns is fixedly connected with a gasket.

[0010] Preferably, the top end of the wiring frame is detachably mounted with a top cover, and the outer surface of the top cover is provided with a wire slot.

[0011] Preferably, the lower surface of the motor body is fixedly connected with a mounting seat at both ends.

[0012] Advantages

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] By setting the wiring anti-dropping mechanism, the device can press the wire when wiring, and when rotating the rotating ring of the wiring anti-dropping mechanism, it will move downward under the action of the threaded column until the wire connected is pressed tightly, and after being pressed tightly, the plurality of positioning needles will also be pressed on the outer surface of the wire, thereby increasing the connection stability of the device to the wire, preventing the connected wire from being disconnected, and further improving the safety performance of the device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is an overall external view structure schematic diagram of the utility model;

[0016] Fig. 2 It is a structure schematic diagram of the wiring part of the utility model;

[0017] Fig. 3 It is a structure schematic diagram of the wiring anti-dropping mechanism in the utility model.

[0018] In the drawing: 1-motor body, 2-wiring frame, 3-cross plate, 4-wiring column, 5-threaded column, 6-gasket, 7-wiring anti-dropping mechanism, 71-rotating ring, 72-spring hole, 73-needle hole, 74-spring, 75-connection piece, 76-positioning needle, 77-torsion piece, 8-top cover, 9-wire slot, 10-mounting seat. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0020] Please refer to Figs. 1-3The utility model provides a technical scheme: a safe and reliable explosion -proof motor, including motor main body 1 and a plurality of wiring anti -drop mechanism 7, the upper surface of motor main body 1 is connected with the wiring frame 2 of top open -ended, the inside transverse fixed connection of wiring frame 2 has the horizontal plate 3, the upper surface vertical through of horizontal plate 3 is equipped with a plurality of mounting holes, the inside of a plurality of mounting holes is vertically fixedly connected with wiring post 4, the top of a plurality of wiring post 4 is vertically fixedly connected with threaded column 5, a plurality of wiring anti -drop mechanism 7 are set up respectively in the outer surface of a plurality of threaded column 5.

[0021] A plurality of wiring anti -drop mechanism 7's structure is all same, wherein one wiring anti -drop mechanism 7 includes the rotating ring 71 threaded connection in the outer surface of threaded column 5, the top vertical of rotating ring 71 is equipped with a plurality of compression spring hole 72, the bottom of a plurality of compression spring hole 72 inside is vertically equipped with the needle hole 73 through to the bottom of rotating ring 71, the bottom of a plurality of compression spring hole 72 inside is vertically fixedly connected with compression spring 74, the top of a plurality of compression spring 74 is transversely fixedly connected with the connecting piece 75, the bottom of a plurality of connecting piece 75 is vertically fixedly connected with the locating needle 76, and the bottom of a plurality of locating needles 76 respectively extends to the lower part of rotating ring 71 through a plurality of needle holes 73.

[0022] In this embodiment, when wiring, the end of the wire is wound into a ring and then fitted on the outer surface of the threaded column 5, and then the wiring anti-drop mechanism 7 is rotated. During this process, the rotating ring 71 moves along the length direction of the threaded column 6 under the action of the threaded column 6. After the wire is pressed down, the connection of the wire is completed. At this time, the plurality of compression springs 74 continuously apply downward pressure to the plurality of locating needles 76, and the plurality of locating needles 76 always maintain close contact with the wire. The plurality of locating needles 76 increase the fixing effect of the device on the wire, thereby preventing the wire from detaching from the device and improving the safety performance of the device.

[0023] Further, the outer surface of the plurality of rotating rings 71 is fixedly connected with a torsion piece 77.

[0024] In this embodiment, the torsion piece 77 facilitates manual rotation of the rotating ring 71.

[0025] The rotating ring 71 and the torsion piece 77 are integrally formed and are made of ceramic material.

[0026] Further, the plurality of compression spring holes 72 are uniformly and evenly arranged along the circumferential direction of the rotating ring 71.

[0027] In this embodiment, the uniformly arranged compression spring holes 72 enable the plurality of locating needles 76 to be uniformly arranged, so that when the plurality of locating needles 76 of the device are pressed against the outer surface of the wire, the wire can be uniformly pressed, and the stability of the device in fixing the wire is improved.

[0028] Further, the bottom end of the outer surface of the plurality of threaded columns 5 is fixedly connected with a gasket 6.

[0029] In the embodiment, the gasket 6 is used to support and fix the electric wire at the lower part.

[0030] Further, the top end of the wiring frame 2 is detachably installed with a top cover 8, and the outer surface of the top cover 8 is throughly provided with a wire slot 9.

[0031] In the embodiment, the top cover 8 is used to protect the wiring frame 2, preventing dust and other objects from entering the inside, and the wire slot 9 facilitates the access of the electric wire.

[0032] Further, the lower surface of the motor body 1 is fixedly connected with a mounting seat 10 at both ends.

[0033] In the embodiment, the upper surface of the mounting seat 10 is vertically throughly provided with a plurality of connecting holes, which is used to install the device.

[0034] The working principle and use process of the utility model are as follows: after the installation of the utility model, when wiring, the end of the electric wire is wound into a ring and then is sleeved on the outer surface of the threaded column 5, and then the wiring anti-disengagement mechanism 7 is rotated, in the process, the rotating ring 71 moves along the length direction of the threaded column 6 under the action of the threaded column 6, and after the electric wire is pressed tightly, the connection of the electric wire is completed, at this time, the plurality of compression springs 74 continuously exert downward pressure on the plurality of positioning needles 76, and the plurality of positioning needles 76 always keep in close contact with the electric wire, the fixing effect of the device on the electric wire is increased through the plurality of positioning needles 76, so that the electric wire is prevented from being separated from the device, and the safety performance of the device is improved.

[0035] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A safe and reliable explosion-proof motor, characterized in that: The utility model relates to a motor main body (1) and a plurality of wiring anti -drop mechanisms (7) are included, the upper surface of motor main body (1) is connected with the wiring frame (2) of top open, the inside of wiring frame (2) is fixedly connected with the transverse plate (3) of lateral direction, the upper surface of transverse plate (3) is vertically through and is equipped with a plurality of mounting holes, the inside of a plurality of mounting holes is vertically fixedly connected with wiring post (4), the top of a plurality of wiring post (4) is vertically fixedly connected with threaded column (5), a plurality of wiring anti -drop mechanisms (7) are arranged on the outer surface of a plurality of threaded column (5) respectively, A plurality of wiring anti -drop mechanisms (7) are same, and one wiring anti -drop mechanism (7) includes the rotating ring (71) of threaded connection on the outer surface of threaded column (5), the top of rotating ring (71) is vertically equipped with a plurality of compression spring holes (72), the bottom of a plurality of compression spring holes (72) is vertically equipped with the pinhole (73) of through to the bottom of rotating ring (71) inside, the bottom of a plurality of compression spring holes (72) is vertically fixedly connected with compression spring (74) inside, the top of a plurality of compression spring (74) is laterally fixedly connected with connecting piece (75), the bottom of a plurality of connecting piece (75) is vertically fixedly connected with positioning needle (76), and the bottom of a plurality of positioning needle (76) extends to the lower part of rotating ring (71) through a plurality of pinholes (73) respectively.

2. A safe and reliable explosion-proof motor as claimed in claim 1, wherein: The outer surface of a plurality of rotating ring (71) is fixedly connected with torsion piece (77).

3. A safe and reliable explosion-proof motor as claimed in claim 1, wherein: A plurality of compression spring holes (72) are evenly spaced along the circumferential direction of rotating ring (71).

4. A safe and reliable explosion-proof motor as claimed in claim 1, wherein: The bottom of a plurality of threaded column (5) outer surfaces is fixedly connected with gasket (6).

5. A safe and reliable explosion-proof motor as claimed in claim 1, wherein: The top of wiring frame (2) is detachably installed with top cover (8), and the outer surface of top cover (8) is through and is equipped with wire slot (9).

6. A safe and reliable explosion-proof motor as claimed in claim 1, wherein: The lower surface both ends of motor main body (1) both sides are fixedly connected with mounting seat (10).

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