CN209824236U - Waterproof structure of motor controller - Google Patents

Abstract

The utility model relates to the field of structural design of motor controllers, in particular to a waterproof structure of a motor controller, which comprises a box body, wherein a take-up head is fixedly arranged inside an end cover, a lug is arranged on the take-up head, and an electric wire via hole is arranged inside the take-up head; the sealing cover covers the right side of the end cover, a clamping groove matched with the buckle is formed in the sealing cover, a counter bore is formed in the sealing cover, an internal thread is formed at one end of the counter bore, the gasket is arranged in the counter bore, and the sealing plug is in threaded connection with the sealing cover; the device is including the connector lug parcel on with motor controller through the end cover of setting for and sealed lid, forms airtight space, and the take-up head of the inside fixed setting of end cover concentrates all electric wires together, then passes each electric wire alone and is provided with the counter sink in the sealed lid, and sealed lid is formed by the elastic material preparation, and in the sealing plug screw in counter sink through having the external screw thread, reach good dustproof and waterproof effect, the inside electronic components of protection motor controller, increase of service life.

Description

Waterproof structure of motor controller

Technical Field

The utility model relates to a machine controller structural design field, concretely relates to machine controller waterproof construction.

Background

The motor controller is internally distributed with various electronic components which are connected through a circuit board, a connector lug is arranged outside the motor controller and is communicated with an internal circuit board, and the outside of the connector lug is communicated with the motor, so that the safety of a controller circuit is guaranteed, and the waterproof measure is very important. The existing controller waterproof structure mainly adopts a sealing washer to realize independent waterproofing for each connector lug, the number of the connector lugs is large, the connector lugs are dispersed, and after long-time vibration is received, bolt connection can be loosened, so that the waterproofness of a shell is damaged.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a machine controller waterproof construction for solve above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a machine controller waterproof construction, includes the box, be provided with machine controller electrical components in the box, the fixed a plurality of connector lugs that are provided with of box right side outer wall, the electric wire with the connector lug is connected, the fixed sealing washer that is provided with in box right side, the end cover fixed set up in the right-hand member of box, the end cover with the sealing washer laminating forms one end open-ended airtight space, the end cover right-hand member is provided with the buckle, receive the line head fixed set up in the inside of end cover, receive be provided with on the line head the lug receive the inside electric wire via hole that is provided with of line.

The sealed lid fits the right side of end cover, sealed lid is formed by the elastic material preparation, be provided with in the sealed lid with the draw-in groove that the buckle matches, be provided with the counter sink in the sealed lid, counter sink one end is provided with the internal thread, the packing ring set up in the counter sink, be provided with on the sealing plug with the external screw thread that the internal thread matches, the sealing plug with sealed lid threaded connection.

Furthermore, four corners of the bottom of the box body are fixedly provided with mounting plates, and mounting holes are formed in the mounting plates.

Furthermore, the sealing cover is made of rubber.

Further, the lug is fixedly connected with the end cover through a screw.

The utility model has the advantages that: the device has simple structure, good sealing performance, effective dust prevention and water prevention: the device is including the connector lug parcel on with motor controller through the end cover of setting for and sealed lid, forms airtight space, and the take-up head of the inside fixed setting of end cover concentrates all electric wires together, then passes each electric wire alone and is provided with the counter sink in the sealed lid, and sealed lid is formed by the elastic material preparation, and in the sealing plug screw in counter sink through having the external screw thread, reach good dustproof and waterproof effect, the inside electronic components of protection motor controller, increase of service life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a sectional view of the sealing cover of the present invention;

fig. 3 is an enlarged view of part a of the present invention.

In the figure, 1-box; 2-mounting plate, 201-mounting hole; 3-end cover, 301-buckle; 4-wire take-up head, 401-lug, 402-wire via hole; 5-sealing cover, 501-clamping groove, 502-counter sink and 503-internal thread; 6-sealing plug; 7-washer, 8-wire; 9-a connector lug; 10-sealing ring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The utility model provides a motor controller waterproof construction as shown in fig. 1-3, the power distribution box comprises a box body 1, be provided with motor controller electrical components in the box 1, the fixed a plurality of connector lugs 9 that are provided with of box 1 right side outer wall, electric wire 8 with connector lug 9 is connected, the fixed sealing washer 10 that is provided with in box 1 right side, end cover 3 fixed set up in box 1's right-hand member, end cover 3 with the laminating of sealing washer 10 forms one end open-ended airtight space, end cover 3 right-hand member is provided with buckle 301, receive the fixed setting in of connector lug 4 in the inside of end cover 3, receive be provided with on the connector lug 4 receive the inside electric wire via hole 402 that is provided with of connector lug 4.

The right side of end cover 3 is covered with sealed lid 5, sealed lid 5 is formed by the elastic material preparation, be provided with in the sealed lid 5 with draw-in groove 501 that buckle 301 matches, be provided with counter sink 502 in the sealed lid 5, counter sink 502 one end is provided with internal thread 503, packing ring 7 set up in the counter sink 502, be provided with on the sealing plug 6 with the external screw thread that internal thread 503 matches, sealing plug 6 with sealed lid 5 threaded connection.

As an optimized mode of the utility model, four fixed mounting panels 2 that are provided with in corner of 1 bottom of box, be provided with mounting hole 201 in the mounting panel.

As a preferred mode of the present invention, the sealing cover 5 is made of rubber.

As a preferred mode of the present invention, the lug 401 is fixedly connected to the end cap 3 by a screw.

The utility model discloses a theory of operation is: the device is including terminal connector 9 parcel on with motor controller through the end cover 3 that sets for and sealed lid 5, form airtight space, the wire take-up head 4 of 3 inside fixed settings of end cover concentrates on all electric wires together, then pass each electric wire alone and be provided with counter sink 502 in the sealed lid 5, sealed lid 5 is formed by the elastic material preparation, in 6 screw in counter sink 502 through the sealing plug that has the external screw thread, reach good dustproof and waterproof effect, protect the inside electronic components of motor controller, and long service life.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (5)

1. A motor controller waterproof structure comprises a box body (1), wherein a motor controller electrical element is arranged in the box body (1), a plurality of connector lugs (9) are fixedly arranged on the outer wall of the right side of the box body (1), an electric wire (8) is connected with the connector lugs (9), the motor controller waterproof structure is characterized in that a sealing ring (10) is fixedly arranged on the right side of the box body (1), an end cover (3) is fixedly arranged at the right end of the box body (1), the end cover (3) is attached to the sealing ring (10) to form a closed space with an opening at one end, a buckle (301) is arranged at the right end of the end cover (3), a wire collecting head (4) is fixedly arranged in the end cover (3), a lug (401) is arranged on the wire collecting head (4), an electric wire through hole (402) is arranged in the wire collecting head (4), and a sealing cover (5) covers the right, the sealing cover (5) is made of elastic materials, a clamping groove (501) matched with the buckle (301) is formed in the sealing cover (5), a counter bore (502) is formed in the sealing cover (5), an internal thread (503) is arranged at one end of the counter bore (502), a gasket (7) is arranged in the counter bore (502), an external thread matched with the internal thread (503) is arranged on a sealing plug (6), and the sealing plug (6) is in threaded connection with the sealing cover (5).

2. The waterproof structure of the motor controller according to claim 1, wherein mounting plates (2) are fixedly arranged at four corners of the bottom of the box body (1).

3. The waterproof structure of a motor controller according to claim 2, wherein a mounting hole (201) is provided in the mounting plate.

4. The waterproof structure of the motor controller according to claim 2, wherein the sealing cover (5) is made of rubber.

5. The waterproof structure of the motor controller according to claim 2, wherein the lug (401) is fixedly connected with the end cover (3) by a screw.