CN210608763U

CN210608763U - Waterproof motor structure

Info

Publication number: CN210608763U
Application number: CN201921991283.5U
Authority: CN
Inventors: 许鸣飞; 吴光东
Original assignee: Jiangsu Huayang Intelligent Equipment Co Ltd
Current assignee: Jiangsu Huayang Intelligent Equipment Co Ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-05-22
Anticipated expiration: 2029-11-18

Abstract

The utility model relates to a waterproof motor structure, including motor body, waterproof casing and waterproof end cover, motor body has the output shaft, is equipped with the sealing washer on the output shaft, motor body arranges in waterproof casing, and waterproof end cover fixes at waterproof casing terminal surface, be equipped with annular holding tank on the terminal surface of waterproof end cover, and the groove outer wall of annular holding tank is equipped with the chute, and the interior border and the outer border of the tip of waterproof casing all are equipped with chamfer R, and the tip of waterproof casing stretches into in the annular holding tank; the waterproof end cover is provided with a sealing groove, the sealing ring is located in the sealing groove, at least one radial first groove is formed in the periphery of the sealing ring, at least two radial first annular protrusions are formed, and a second groove matched with the first annular protrusions is formed in the inner wall of the sealing groove. The utility model discloses water-proof effects is good, long service life.

Description

Waterproof motor structure

Technical Field

The utility model relates to a motor, especially a waterproof motor structure.

Background

The stepping motor is classified into a waterproof stepping motor which is mainly used for normally running under water or in a humid environment. Of course the performance of this type of motor is mainly reflected in water protection. The traditional waterproof motor adopts a shell and an end cover to place the motor in the shell for waterproofing, but the waterproof effect is not ideal due to errors of a part production process and assembly, and the service life of a product can be influenced.

Disclosure of Invention

The utility model relates to a waterproof motor structure, water-proof effects is good, long service life.

In order to achieve the above purpose, the technical scheme of the utility model is that: a waterproof motor structure comprises a motor body, a waterproof shell and a waterproof end cover, wherein the motor body is provided with an output shaft, a sealing ring is sleeved on the output shaft, the motor body is arranged in the waterproof shell, the waterproof end cover is fixed on the end face of the waterproof shell, an annular accommodating groove is formed in the end face of the waterproof end cover, the outer wall of the annular accommodating groove is provided with a chute, the inner edge and the outer edge of the end part of the waterproof shell are both provided with chamfers R, and the end part of the waterproof shell extends into the annular accommodating groove; the waterproof end cover is provided with a sealing groove, the sealing ring is located in the sealing groove, at least one radial first groove is formed in the periphery of the sealing ring, at least two radial first annular protrusions are formed, and a second groove matched with the first annular protrusions is formed in the inner wall of the sealing groove.

Preferably, the periphery of sealing washer is equipped with two first recesses to constitute three annular bulge, the seal groove inner wall is equipped with three second recess, and the hole of sealing washer is equipped with the third recess, and constitutes two second annular bulges.

Preferably, still include the rubber block, be equipped with on the waterproof casing with rubber block complex open slot, the motor body has overhanging many external lead wires, and is equipped with the pin hole that supplies external lead wire to pass on the rubber block.

Preferably, the output shaft is provided with a sealing step, and the end face of the sealing ring abuts against the sealing step.

After the structure of the oil tank is adopted, the utility model discloses owing to be equipped with the annular holding tank on waterproof end cover's terminal surface, the interior border and the outer border of the tip of waterproof casing all are equipped with chamfer R. Therefore, the annular accommodating groove between the waterproof end cover and the waterproof shell is internally fastened and sealed through ultrasonic welding, and the annular accommodating groove is sealed for the first time. Then be equipped with the chute at the groove outer wall of annular holding tank, can paste waterproof glue in the chute and seal, this is that the second is sealed. The whole body adopts double sealing, and the sealing effect is improved. And the sealing ring at the output shaft is also a sealing ring with a special structure, and the sealing ring can enable the first annular bulge to extend into the second groove in the pressing process, so that the sealing effect at the output shaft is improved.

Drawings

Fig. 1 is an exploded view of the present invention;

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

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an enlarged view of a portion B of fig. 2.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments, which are illustrated in the accompanying drawings.

Referring to fig. 1, 2, 3 and 4, a waterproof motor structure comprises a motor body 1, a waterproof casing 2 and a waterproof end cover 3, wherein the motor body 1 is provided with an output shaft 6, a sealing ring 4 is sleeved on the output shaft 6, the motor body 1 is arranged in the waterproof casing 2, the waterproof end cover 3 is fixed on the end surface of the waterproof casing 2, an annular accommodating groove 31 is arranged on the end surface of the waterproof end cover 3, the outer wall of the annular accommodating groove 31 is provided with a chute 32, the inner edge and the outer edge of the end part of the waterproof casing 2 are both provided with chamfers R, and the end part of the waterproof casing 2 extends into the annular accommodating groove 31; be equipped with seal groove 33 on waterproof end cover 3, sealing washer 4 is located seal groove 33, the periphery of sealing washer 4 is equipped with two first recesses 41 to constitute three annular bulge 42, the seal groove 33 inner wall is equipped with three second recess 331, and the hole of sealing washer 4 is equipped with third recess 43, and constitutes two second annular bulge 44.

Referring to fig. 1, the motor further comprises a rubber block 5, a notch 2 matched with the rubber block 5 is formed in the waterproof shell 2, the motor body 1 is provided with a plurality of external leads 11 extending outwards, and a lead hole 51 for the external leads 11 to pass through is formed in the rubber block 5. Motor body 1 need stretch out many external lead wires 11 and connect other equipment, and consequently external lead wire 11 stretches out the waterproof also more important at position, the utility model discloses a block rubber 5 assembles on waterproof casing 2 to many external lead wires 11 pass the pin hole 51 of block rubber 5, and the waterproof glue of rethread is sealed, and is sealed effectual.

Referring to fig. 2, a sealing step 61 is arranged on the output shaft 6, and an end surface of the sealing ring 4 abuts against the sealing step 61. The end sealing effect of the sealing ring 4 is ensured.

The utility model discloses a waterproof motor mainly seals at the sealed department of following several departments and strengthens: the first part is between the waterproof shell 2 and the waterproof end cover 3, chamfers R are arranged on the inner edge and the outer edge of the end part of the waterproof shell 2, the end part of the waterproof shell 2 extends into the annular accommodating groove 31 of the waterproof end cover 3, and ultrasonic welding is carried out on the part for fastening to form first sealing; be equipped with chute 32 at the groove outer wall of annular holding tank 31, adopt waterproof glue to bond here, form the second sealed, reach the double seal effect, guarantee the sealed effect between waterproof casing 2 and the waterproof end cover 3. The second place is in output shaft 6 department, suit sealing washer 4 on the output shaft 6, the periphery of sealing washer 4 is equipped with two first recesses 41 to constitute three annular bulge 42, the inner wall of seal groove 33 is equipped with three second recess 331. When the motor is assembled, the sealing ring 4 is pressed, so that the annular protrusion 42 extends into the second groove 331 to form a seal, and the seal of the output shaft 6 is ensured. The third place is in external lead 11 department, and external lead 11 passes through the pin hole 51 of block rubber 5, and the rethread waterproof glue is sealed, guarantees external lead 11's sealed effect.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.

Claims

1. The utility model provides a waterproof motor structure, includes motor body (1), waterproof casing (2) and waterproof end cover (3), and motor body (1) has output shaft (6), and the cover is equipped with sealing washer (4) on output shaft (6), motor body (1) is arranged in waterproof casing (2), and waterproof end cover (3) are fixed at waterproof casing (2) terminal surface, its characterized in that: an annular accommodating groove (31) is formed in the end face of the waterproof end cover (3), an inclined groove (32) is formed in the outer wall of the annular accommodating groove (31), chamfers R are arranged on the inner edge and the outer edge of the end portion of the waterproof shell (2), and the end portion of the waterproof shell (2) extends into the annular accommodating groove (31);

be equipped with seal groove (33) on waterproof end cover (3), sealing washer (4) are located seal groove (33), and the periphery of sealing washer (4) is equipped with at least one radial first recess (41) to constitute two at least radial first annular archs (42), the inner wall of seal groove (33) be equipped with first annular archs (42) complex second recess (331).

2. The waterproof motor structure according to claim 1, characterized in that: the periphery of sealing washer (4) is equipped with two first recess (41) to constitute three annular bulge (42), seal groove (33) inner wall is equipped with three second recess (331), and the hole of sealing washer (4) is equipped with third recess (43), and constitutes two second annular bulge (44).

3. The waterproof motor structure according to claim 1, characterized in that: still include rubber block (5), be equipped with on waterproof casing (2) with rubber block (5) complex open slot (21), motor body (1) has overhanging many external lead (11), and is equipped with on rubber block (5) and supplies lead hole (51) that external lead (11) passed.

4. The waterproof motor structure according to claim 1, characterized in that: and a sealing step (61) is arranged on the output shaft (6), and the end surface of the sealing ring (4) is abutted against the sealing step (61).