CN219875048U

CN219875048U - Waterproof power line structure suitable for underwater motor

Info

Publication number: CN219875048U
Application number: CN202321182026.3U
Authority: CN
Inventors: 龚雪江
Original assignee: Shenzhen Haitong Technology Co ltd
Current assignee: Shenzhen Haitong Technology Co ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-10-20
Anticipated expiration: 2033-05-16

Abstract

The utility model discloses a waterproof power line structure suitable for an underwater motor, which comprises a motor main body, wherein a motor rear barrel is arranged at the tail part of the motor main body, a motor power line connected with the motor main body is arranged in the middle of the motor rear barrel, one end of the motor rear barrel is provided with a sealing groove, a gasket and a sealing ring are arranged in the sealing groove, a countersunk screw for tightly pressing the sealing ring and the motor power line is also arranged in the sealing groove, and an outer screw cap for covering the motor rear barrel is arranged at the outer side of the motor rear barrel. The utility model has simple structure, realizes the enclasping seal between the sealing ring and the motor power line in a countersunk screw compressing mode so as to prevent water from entering, and the sealing ring can be rapidly disassembled and maintained in a mounting mode, thereby improving convenience.

Description

Waterproof power line structure suitable for underwater motor

Technical Field

The utility model relates to the technical field of underwater motors, in particular to a waterproof power line structure suitable for an underwater motor.

Background

An underwater motor is a motor used for underwater equipment, and is generally used for various underwater equipment such as a submersible vehicle, an underwater robot, an underwater propeller, an underwater pump, and the like. The underwater motor has the characteristics of water resistance, corrosion resistance, high efficiency and the like, and can stably operate in an underwater environment. Common types of underwater motors include dc motors, ac motors, brushless motors, and the like. The underwater motor is generally required to have high sealing performance and protection level to protect the electronic components inside the motor from water erosion, and also required to have sufficient mechanical strength and durability.

At present, when the waterproof problem under water is solved to traditional motor under water, the solution of waterproof shutoff is peripheral encapsulating of power cord, and this kind of mode comes unstuck very easily and intakes, and the operation of encapsulating is comparatively troublesome, in case the mistake appears, can appear sealing the condition that the glue is incomplete to influence waterproof effect.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a waterproof power line structure suitable for an underwater motor, and the enclasping seal between a sealing ring and the power line of the motor is realized in a countersunk screw compacting mode so as to prevent water from entering.

The utility model is realized by the following technical scheme: the utility model provides a waterproof power cord structure suitable for motor under water, includes the motor main part, the afterbody of motor main part is installed the motor back bucket, is equipped with the motor power cord of being connected with the motor main part in the middle of the motor back bucket, and the one end of motor back bucket is equipped with the seal groove, is equipped with gasket and sealing washer in the seal groove, still is equipped with the countersunk head screw that compresses tightly sealing washer and motor power cord in the seal groove, and the outside of motor back bucket is equipped with the outer nut that covers the motor back bucket.

As the preferable technical scheme, the center department in the outer side of outer nut is equipped with first wiring hole, and the deepest of seal groove is equipped with the second wiring hole, and motor power cord passes first wiring hole and second wiring hole and motor main part fixed connection.

As the preferable technical scheme, the countersunk head screw is equipped with annular structure's constant head tank towards the one end of motor main part, and a part of gasket inserts in the constant head tank to with constant head tank assorted, the other side of gasket is contradicted with one side of sealing washer.

As the preferable technical scheme, the outer ring surface of the countersunk head screw is provided with a first external thread, the inner ring surface of the sealing groove is provided with a first internal thread, and the countersunk head screw is meshed and connected with the first internal thread in the sealing groove through the first external thread.

As the preferable technical scheme, the inner ring surface of the outer screw cap is provided with a second inner screw thread, the outer ring surface of the motor rear barrel is provided with a second outer screw thread, and the outer screw cap is meshed and connected with the second outer screw thread on the motor rear barrel through the second inner screw thread.

As a preferable technical scheme, the gasket is a stainless steel gasket.

As the preferable technical scheme, the sealing ring is a silica gel ring, and the inner ring surface of the silica gel ring is contacted with the outer wall surface of the motor power line.

The beneficial effects of the utility model are as follows: the utility model has simple structure, realizes the enclasping seal between the sealing ring and the motor power line in a countersunk screw compressing mode so as to prevent water from entering, and the sealing ring can be quickly disassembled and maintained in a mounting mode, thereby improving convenience, being quickly replaced, and ensuring tightness between the sealing ring and the motor power line in a replacing mode.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

fig. 3 is an exploded view of the present utility model.

1, a motor main body; 2. a motor rear tub; 3. a motor wire; 4. countersunk head screws; 5. an outer nut; 6. a gasket; 7. and (3) sealing rings.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.

As shown in fig. 1, 2 and 3, the waterproof power line structure suitable for the underwater motor comprises a motor main body 1, wherein a motor rear barrel 2 is arranged at the tail part of the motor main body 1, a motor power line connected with the motor main body 1 is arranged in the middle of the motor rear barrel 2, one end of the motor rear barrel 2 is provided with a sealing groove, a gasket 6 and a sealing ring 7 are arranged in the sealing groove, a countersunk head screw 4 for tightly pressing the sealing ring 7 with the motor power line is also arranged in the sealing groove, and an outer screw cap 5 for covering the motor rear barrel 2 is arranged at the outer side of the motor rear barrel 2.

In this embodiment, the center department in the outer side of the outer nut 5 is equipped with first wiring hole, and the deepest of seal groove is equipped with the second wiring hole, and motor power cord passes first wiring hole and second wiring hole and motor main part 1 fixed connection, and such design can make motor power cord insert inside the motor from outside and safe fixed connection, avoids water to infiltrate inside the motor from power cord department, guarantees the waterproof performance of motor.

In this embodiment, countersunk head screw 4 is equipped with annular structure's constant head tank towards the one end of motor main part 1, and the part of gasket 6 inserts in the constant head tank to with constant head tank assorted, the other side of gasket 6 is contradicted with one side of sealing washer 7, and such design can make gasket 6 and sealing washer 7 laminate more closely together, reinforcing sealing performance.

In the embodiment, a first external thread is arranged on the outer ring surface of the countersunk head screw 4, a first internal thread is arranged on the inner ring surface of the sealing groove, and the countersunk head screw 4 is meshed and connected with the first internal thread in the sealing groove through the first external thread; the second internal thread is arranged on the inner ring surface of the outer screw cap 5, the second external thread is arranged on the outer ring surface of the motor rear barrel 2, the outer screw cap 5 is meshed and connected with the second external thread on the motor rear barrel 2 through the second internal thread, and the countersunk head screw 4, the gasket 6, the sealing ring 7 and the outer screw cap 5 can be connected more firmly and stably through the design, and meanwhile, the sealing performance can be improved.

In this embodiment, the gasket 6 is a stainless steel gasket, and the tightness between the gasket and the seal ring is increased by the gasket.

In this embodiment, the sealing ring 7 is a silica gel ring, and the inner ring surface of the silica gel ring contacts with the outer wall surface of the motor power line.

After the motor power line passes through the first wiring hole and the second wiring hole to be connected with the motor main body, the countersunk head screw, the disc and the sealing ring are sleeved on the motor power line and enter the sealing groove along the motor power line, the sealing ring can be extruded towards the deep part of the sealing groove after the countersunk head screw is rotated, the sealing ring can be flattened by the continuous rotating countersunk head screw after the sealing ring is abutted against the inner wall surface of the sealing groove, the sealing ring can deform after being flattened, so that the inner diameter of the sealing ring is reduced, and the sealing ring is tightly abutted against the outer wall of the motor power line, so that water is prevented from entering.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims

1. Waterproof power cord structure suitable for motor under water, its characterized in that: including motor main part (1), barrel (2) behind motor is installed to the afterbody of motor main part (1), is equipped with the motor power cord of being connected with motor main part (1) behind the motor in the middle of barrel (2), and the one end of barrel (2) behind the motor is equipped with the seal groove, is equipped with gasket (6) and sealing washer (7) in the seal groove, still is equipped with countersunk head screw (4) that compress tightly sealing washer (7) and motor power cord in the seal groove, and the outside of barrel (2) is equipped with outer nut (5) of covering behind the motor barrel (2).

2. The waterproof power line structure for an underwater motor according to claim 1, wherein: the center department in the outside of outer nut (5) is equipped with first wiring hole, and the deepest of seal groove is equipped with the second wiring hole, and motor power cord passes first wiring hole and second wiring hole and motor main part (1) fixed connection.

3. The waterproof power line structure for an underwater motor according to claim 1, wherein: one end of the countersunk head screw (4) facing the motor main body (1) is provided with a positioning groove with an annular structure, one part of the gasket (6) is inserted into the positioning groove and matched with the positioning groove, and the other side surface of the gasket (6) is abutted against one side surface of the sealing ring (7).

4. The waterproof power line structure for an underwater motor according to claim 1, wherein: the outer ring surface of the countersunk head screw (4) is provided with a first external thread, the inner ring surface of the sealing groove is provided with a first internal thread, and the countersunk head screw (4) is meshed and connected with the first internal thread in the sealing groove through the first external thread.

5. The waterproof power line structure for an underwater motor according to claim 1, wherein: the inner ring surface of the outer screw cap (5) is provided with a second inner screw thread, the outer ring surface of the motor rear barrel (2) is provided with a second outer screw thread, and the outer screw cap (5) is meshed and connected with the second outer screw thread on the motor rear barrel (2) through the second inner screw thread.

6. The waterproof power line structure for an underwater motor according to claim 1, wherein: the gasket (6) is a stainless steel gasket.

7. The waterproof power line structure for an underwater motor according to claim 1, wherein: the sealing ring (7) is a silica gel ring, and the inner ring surface of the silica gel ring is contacted with the outer wall surface of the motor power line.