CN219535598U - Waterproof motor electric control device - Google Patents

Abstract

The utility model relates to the technical field of motor electric control, and discloses a waterproof motor electric control device, which comprises a motor, an electric control equipment shell fixedly arranged at the rear end of the motor, a sealing block, a waterproof pipe and an upper sealing cover, wherein the sealing block is a rubber block in interference fit and can be combined into a complete circular ring, the waterproof pipe is a hollow cylindrical shell, a lower sealing cover is fixedly arranged at the bottom end surface of the waterproof pipe, a convex ring is formed by extending the top end of the lower sealing cover towards the middle part, and a waterproof oil injection port is fixedly arranged on the side wall surface of the waterproof pipe. According to the waterproof cable, the upper sealing cover, the sealing block, the waterproof pipe and the sealing block are sequentially arranged in sequence, the upper end and the lower end of the waterproof pipe are sealed by the sealing blocks above and below the waterproof pipe and surround the cable, and waterproof oil is injected from the waterproof oil injection port, so that the cable is completely sealed inside and outside, and a waterproof effect easy to disassemble is achieved.

Description

Waterproof motor electric control device

Technical Field

The utility model relates to the technical field of motor electric control, in particular to a waterproof motor electric control device.

Background

The new energy electric automobile mainly comprises a motor driving system, a battery system and a whole automobile control system. The motor driving system is a heart part of the electric vehicle and is a part for directly converting electric energy into kinetic energy, so that the performance index of the electric vehicle is determined.

The existing motor is electrically controlled, the whole machine works in water, the inner cavity of the motor is not capable of feeding water, otherwise, a motor stator winding can be burnt, and a stator and rotor punching sheet is wetted to cause demagnetization of a magnet, so that the service life of the motor is seriously influenced; the motor shell commonly used in the market is usually provided with a wire inlet, a motor wire is connected with an internal structure of the motor through the wire inlet, and in order to facilitate the motor wire to pass through, the size of the wire inlet is usually larger than that of the motor wire, and a part of the motor is used for preventing external water from entering the motor, and a waterproof setting glue mode is usually adopted or a sealing ring is added, so that the motor shell is in actual use and has the defect.

Adopt waterproof solidification to carry out the waterproof sealing time difficult dismantlement, the cable activity is worn and torn water proof head and line body contact position easily simultaneously, leads to the clearance grow, weakens waterproof effect.

For this purpose, we propose a waterproof motor electric control device.

Disclosure of Invention

The utility model mainly solves the technical problems existing in the prior art and provides a waterproof motor electric control device.

In order to achieve the above purpose, the utility model adopts the following technical scheme that the waterproof motor electric control device comprises a motor, an electric control equipment shell fixedly arranged at the rear end of the motor, a sealing block, a waterproof pipe and an upper sealing cover, wherein the sealing block is a rubber block in interference fit and can be combined into a complete circular ring, the waterproof pipe is a hollow cylindrical shell, a lower sealing cover is fixedly arranged at the bottom end surface of the waterproof pipe, the top end of the lower sealing cover extends to the middle to form a convex ring, and a waterproof oil injection port is fixedly arranged on the side wall surface of the waterproof pipe.

Preferably, the sealing block is an arc-shaped semicircular arc body with a narrow upper part and a wide lower part, and the sealing block is inserted into the upper sealing cover and is extruded by the upper sealing cover to form a sealing ring in an interference fit manner.

Preferably, the top end of the upper sealing cover is bent towards the center to form a convex block.

Preferably, a screw sleeve rod is fixedly arranged near the top end surface data wire slot of the electric control equipment shell, a first fixing ring is fixedly arranged at the position, corresponding to the screw sleeve rod, of the side wall surface of the waterproof pipe, and a second fixing ring is fixedly arranged at the position, corresponding to the screw sleeve rod, of the side wall surface of the upper sealing cover.

Preferably, the top end of the waterproof pipe extends towards the center to form a hollow platform.

Preferably, a plurality of groups of brackets are uniformly and fixedly arranged on the top end surface of the upper sealing cover, a limiting ring is fixedly arranged at one end of the bracket, which is far away from the upper sealing cover, and the inner diameter of the limiting ring is the same as the outer diameter of the cable.

Advantageous effects

The utility model provides a waterproof motor electric control device. The beneficial effects are as follows:

(1) When the waterproof motor electric control device is used, the waterproof motor electric control device is sequentially installed according to the sequence of the upper sealing cover, the sealing blocks, the waterproof pipes and the sealing blocks, the upper ends and the lower ends of the waterproof pipes are sealed by the sealing blocks above and below the waterproof pipes and encircle the periphery of a cable, and then waterproof oil is injected from the waterproof oil injection port, so that the cable is completely sealed inside and outside, and a waterproof effect easy to detach is formed.

(2) This waterproof motor electrically controlled device utilizes the spacing ring to carry out spacing for the first time to the cable to produce wearing and tearing to the sealing block when avoiding the cable to rock, make the sealing block no longer sealed, increase sealed effect.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, proportional changes, or adjustments of size, which do not affect the efficacy of the utility model or the objects achieved, should fall within the scope of the utility model.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an enlarged view of a partial structure of the present utility model;

fig. 3 is a cross-sectional view of a waterproof tube of the present utility model.

Legend description:

1. a motor; 2. an electronic control device housing; 3. a sealing block; 4. a waterproof pipe; 5. an upper sealing cover; 6. a lower sealing cover; 7. a screw sleeve rod; 8. a first fixing ring; 9. a second fixing ring; 10. a waterproof oil injection port; 11. a bracket; 12. and a limiting ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: the utility model provides a waterproof motor electrically controlled device, as shown in fig. 1-3, including motor 1, fixed mounting at the automatically controlled equipment shell 2 of motor 1 rear end, still include sealing block 3, waterproof tube 4 and upper seal lid 5, sealing block 3 is interference fit's rubber block and can make up into a complete circular ring, waterproof tube 4 is hollow cylindrical casing, sealing cover 6 under the bottom face fixed mounting of waterproof tube 4, the top of sealing cover 6 extends to the middle part down and forms the bulge loop for spacing sealing block 3, avoid sealing block 3 to get into waterproof tube 4 in, waterproof tube 4's lateral wall face fixed mounting has waterproof oil injection port 10, and during the use is installed in proper order according to upper seal lid 5, sealing block 3, waterproof tube 4, sealing block 3 in proper order, and sealing block 3 with waterproof tube 4 top and below to encircle around the cable, then pour into waterproof oil into from waterproof oil injection port 10 to seal completely in the cable, form the waterproof effect of easily dismantling.

The sealing block 3 is an arc semicircular arc body with a narrow upper part and a wide lower part, and the sealing block 3 is inserted into the upper sealing cover 5 and can be in interference fit under the extrusion of the upper sealing cover 5 to form a sealing ring, so that the upper end and the lower end of the waterproof pipe 4 are blocked.

The top end of the upper sealing cover 5 is bent towards the center to form a convex block, and the convex block is used for limiting the sealing block 3 between the upper sealing cover 5 and the waterproof tube 4.

The top end surface of the electric control equipment shell 2 is provided with a groove for leading out a data wire, a screw sleeve rod 7 is fixedly installed near the groove, a first fixing ring 8 is fixedly installed on the side wall surface of the waterproof pipe 4 corresponding to the position of the screw sleeve rod 7, a second fixing ring 9 is fixedly installed on the side wall surface of the upper sealing cover 5 corresponding to the position of the screw sleeve rod 7, a long screw penetrates through the second fixing ring 9 and the first fixing ring 8 and then is in threaded connection with the screw sleeve rod 7, and the upper sealing cover 5 and the lower sealing cover 6 extrude the sealing block 3 along with gradual screwing of the screw.

The top end of the waterproof tube 4 extends toward the center to form a platform, thereby supporting the sealing block 3 between the upper sealing cover 5 and the waterproof tube 4.

The top surface of upper seal lid 5 evenly fixed mounting has multiunit support 11, and the one end fixed mounting that upper seal lid 5 was kept away from to support 11 has spacing ring 12, and the internal diameter of spacing ring 12 is the same with the cable external diameter, utilizes spacing ring 12 to carry out spacing for the first time to the cable to avoid the cable to rock the time to produce wearing and tearing to sealing block 3, make sealing block 3 no longer seal, increase sealed effect.

The working principle of the utility model is as follows: when the waterproof sealing device is used, the waterproof sealing device is sequentially installed according to the sequence of the upper sealing cover 5, the sealing block 3, the waterproof pipe 4 and the sealing block 3, the upper end and the lower end of the waterproof pipe 4 are sealed by the sealing blocks 3 above and below the waterproof pipe 4 and encircle the periphery of a cable, and then waterproof oil is injected from the waterproof oil injection port 10, so that the inside and the outside of the cable are completely sealed, and a waterproof effect easy to detach is formed.

The cable is limited for the first time by the limiting ring 12, so that abrasion to the sealing block 3 is avoided when the cable shakes, the sealing block 3 is not sealed any more, and the sealing effect is improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Claims (6)

1. The utility model provides a waterproof motor electrically controlled device, includes motor (1), fixed mounting at automatically controlled equipment shell (2) of motor (1) rear end, its characterized in that: still include sealing block (3), waterproof pipe (4) and last sealed lid (5), sealing block (3) are interference fit's rubber piece and can make up into a complete circular ring, waterproof pipe (4) are hollow cylindrical casing, the bottom surface fixed mounting of waterproof pipe (4) has sealed lid (6) down, the top of sealed lid (6) down extends to the middle part and forms the bulge loop, the lateral wall face fixed mounting of waterproof pipe (4) has waterproof oil filling port (10).

2. The waterproof motor electric control device according to claim 1, wherein: the sealing block (3) is an arc-shaped semicircular arc body with a narrow upper part and a wide lower part, and the sealing block (3) is inserted into the upper sealing cover (5) and can be in interference fit under the extrusion of the upper sealing cover (5) to form a sealing ring.

3. The waterproof motor electric control device according to claim 1, wherein: the top end of the upper sealing cover (5) is bent towards the center to form a convex block.

4. The waterproof motor electric control device according to claim 1, wherein: screw sleeve rods (7) are fixedly arranged near the top end surface data wire slots of the electric control equipment shell (2), first fixing rings (8) are fixedly arranged at positions, corresponding to the screw sleeve rods (7), of the side wall surfaces of the waterproof pipes (4), and second fixing rings (9) are fixedly arranged at positions, corresponding to the screw sleeve rods (7), of the side wall surfaces of the upper sealing covers (5).

5. The waterproof motor electric control device according to claim 1, wherein: the top end of the waterproof pipe (4) extends towards the center to form a hollow platform.

6. The waterproof motor electric control device according to claim 1, wherein: the top end surface of the upper sealing cover (5) is uniformly and fixedly provided with a plurality of groups of brackets (11), one end, far away from the upper sealing cover (5), of each bracket (11) is fixedly provided with a limiting ring (12), and the inner diameter of each limiting ring (12) is the same as the outer diameter of the cable.