CN203251174U - Stepping motor having waterproof function - Google Patents
Stepping motor having waterproof function Download PDFInfo
- Publication number
- CN203251174U CN203251174U CN 201320128728 CN201320128728U CN203251174U CN 203251174 U CN203251174 U CN 203251174U CN 201320128728 CN201320128728 CN 201320128728 CN 201320128728 U CN201320128728 U CN 201320128728U CN 203251174 U CN203251174 U CN 203251174U
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- CN
- China
- Prior art keywords
- stepping motor
- end cap
- rubber
- compression spring
- rubber ring
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to the technical field of stepping motors, and specifically relates to a stepping motor having a waterproof function. According to the stepping motor, a rubber ring, a friction sealing gasket, a rubber sealing bowl, metal stopper rings, a helical compression spring, a pressure positioning ring and a high friction sealing gasket are arranged between an output shaft and an end cap of the stepping motor; the rubber ring is tightly sleeved on the output shaft; the friction sealing gasket is arranged at the front end of the rubber ring; the helical compression spring is arranged on the circumference of the rubber ring, and the metal stopper rings are arranged at two ends of the helical compression spring; the rubber sealing bowl is arranged inside a mould cavity of the end cap; and the high friction sealing gasket is arranged at the front end of the rubber sealing bowl. As the highly protective mechanical sealing gaskets are arranged at the position of the output shaft and the end cap, the rotary output shaft of the motor can be sealed by the mechanical sealing gaskets. Besides, the joint of the end cap and casing of the stepping motor is designed to be effectively protected, so that the protection level of the stepping motor is improved, and the waterproof function of the stepping motor is achieved, thereby enabling the stepping motor to work in deepwater.
Description
Technical field
The utility model relates to a kind of stepping motor end cap, relates in particular to a kind of stepping motor with water-proof function.
Background technology
Stepping motor is widely used in the industries such as automatic control, light of stage, textile machine, Medical Instruments and machining at present, because the machining accuracy of stepping motor is high, step angle is less, belongs to high-precision motor, and the environment for use conditional request is higher.Development along with the applied science technology, the chemical industry that some environment for use conditions are more abominable, monitoring instrument etc. also needs to use the high accuracy stepping motor under water, because the degree of protection of present stepping motor mechanical structure is not high, as shown in Figure 1, its structure does not have waterproof construction, therefore under adverse circumstances, use present stepping motor, steam often, corrosive gas can be by the shaft of motor, the end cap part enters motor internal, the part of motor internal is corroded, motor rotor magnetic steel is oxidized, cause motor performance to descend, rotor is stuck, the insulating motor coil grade reduces, cause coil inside puncture or short circuit etc. situation, motor very short time will be sustained damage, and therefore equipment damage, and causes very big loss.Particularly both at home and abroad all there is not now the stepping motor of in deep water, working.How to improve the degree of protection of stepping motor, making stepping motor can be a urgent problem in profundal zone work.
In the prior art, the structure that stepping motor shaft both domestic and external is connected with end cap, find that most of water or steam are at stepping motor rotation shaft and end cap and casing junction infiltration motor internal basically, particularly the seepage problem at rotation axis position can not get good solution, and the infiltration in other places can solve with corresponding seepage control measure.Therefore solve the infiltration problem of stepping motor shaft position and end cap and casing junction water and take more corresponding measures, the degree of protection of stepping motor can be improved greatly so, stepping motor is used among the rugged environment, such as chemical industry, the occasion of working under the field operation, deep water etc.
Summary of the invention
The technical problems to be solved in the utility model is: present stepping motor degree of protection is lower, does not possess various specific safeguard procedures, can not work in profundal zone or various liquid, and a kind of stepping motor with water-proof function is provided.
In order to overcome the defective that exists in the background technology, the technical scheme that its technical problem that solves the utility model adopts is: overall structure comprises casing, shaft and end cap, between shaft and end cap, be provided with rubber ring, friction sealed, rubber sealing cup, metal collar, spiral compression spring, pressure centring ring and large friction sealed, described rubber ring closely is sheathed on the shaft, the front end of rubber ring is provided with friction sealed, the cylindrical of rubber ring is provided with spiral compression spring, and the two ends of spiral compression spring are provided with metal collar, be provided with rubber sealing cup in the die cavity of described end cap, the front end of rubber sealing cup is provided with large friction sealed.
According to another embodiment of the invention, further comprise and be provided with at least 1 rubber seal between described casing and the end cap.
According to another embodiment of the invention, further comprise between described casing and the end cap and be provided with sealant layer.
The beneficial effects of the utility model are: the utility model has been taked the mechanically-sealing apparatus that has high water resistance in the design of the end caps of stepping motor, and the sealing device between end cap and the casing, the existing stepping motor rotation of this structural change shaft place does not have the conventional structure of high protection, end cap shaft place arranges the special stepping motor end cap with high protection mechanical seal ring, the mechanical protection sealing ring seals motor rotation shaft, in addition effective protection Design has been carried out in end cap and the junction between the casing of stepping motor, thereby reach the degree of protection that improves stepping motor, realize the water-proof function of stepping motor, reached the deep water work functions of stepping motor.Project organization of the present utility model is advanced, exclusion seal scientific structure and rationally reliable, and the advantages such as good manufacturability are a kind of novel stepper motor safeguard structures, can be applied to multiple stepping motor structure, have wide range of applications.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of existing stepping motor;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the schematic diagram of hermetically-sealed construction among Fig. 2;
Fig. 4 is the schematic diagram of another hermetically-sealed construction among Fig. 2;
Fig. 5 is the schematic diagram of another hermetically-sealed construction among Fig. 2
Fig. 6 is the schematic diagram of another hermetically-sealed construction among Fig. 2
Wherein: 1, shaft, 2, rubber ring, 3, end cap, 4, friction sealed, 5, rubber sealing cup, 6, metal collar, 7, spiral compression spring, 8, antiseepage face, 9, friction antiseepage face, 10, the pressure centring ring, 11, wipe diaphragm seal, 12, sealant layer, 13, casing, 14, rubber seal.
Embodiment
As shown in Figures 2 and 3, this stepping motor with water-proof function comprises casing 13, casing 13 1 ends are provided with end cap 3, end cap 3 interior connection shafts 1, be provided with rubber ring 2, friction sealed 4, rubber sealing cup 5, metal collar 6, spiral compression spring 7, pressure centring ring 10 and large friction sealed 11 between shaft 1 and end cap 3, these parts form seal ring assemblies.
The front end of rubber ring 2 is provided with friction sealed 4, the two ends that the cylindrical of rubber ring 2 is provided with spiral compression spring 7 and spiral compression spring 7 are provided with metal collar 6, be provided with rubber sealing cup 5 in the die cavity of end cap 3, the front end of rubber sealing cup 5 is provided with large friction sealed 11.Rubber sealing cup 5 is relative static with end cap 3, and the contact-making surface between rubber sealing cup 5 and the end cap 3 is interference antiseepage mating surface, has played waterproof action.
Friction sealed 4 end face with large friction sealed 11 is in contact with one another, form the friction antiseepage face 9 between friction sealed 4 and large friction sealed 11, pressure centring ring 10 can make 7 pairs of frictions of spiral compression spring mounting 4 produce pressure, can produce an appropriate pressure to large friction sealed 11, friction antiseepage face 9 between friction sealed 4 and large friction sealed 11 is tightly fitted, when rotating, shaft 1 follows rotation for friction sealed 4, be failure to actuate for large friction sealed 11, relatively rotate between friction sealed 4 and large friction sealed 11, but friction antiseepage face 9 is owing to the reason that is under pressure, water can not enter motor internal from friction antiseepage face 9, play waterproof action, so just formed the rotary machine sealing.This structure is so that water and liquid are to enter motor internal from outside motor, and particularly water and liquid are to enter motor internal from outside motor when shaft 1 rotates, thereby motor has been produced the sealing protection effect.Pressure centring ring 10 can be adjusted the pressure of spiral compression spring 7, can control friction antiseepage face 9 and not seep water in the deep water operating state, thereby reach the antiseepage of stepping motor, and waterproof can be in the effect of deep water work.
As shown in Figure 4 and Figure 5, be provided with at least 1 rubber seal 14 between casing 13 and the end cap 3, rubber seal 14 is so that casing 13 and end cap 3 reach the antiseep effect.
As shown in Figure 6, also can between casing 13 and end cap 3, sealant layer 12 be set, so that casing 13 and end cap 3 reach the antiseep effect.
The utility model has been taked the mechanically-sealing apparatus that has high water resistance in the design of the end caps of stepping motor, and the sealing device between end cap and the casing, the existing stepping motor rotation of this structural change shaft place does not have the conventional structure of high protection, end cap shaft place arranges the special stepping motor end cap with high protection mechanical seal ring, the mechanical protection sealing ring seals motor rotation shaft, in addition effective protection Design has been carried out in end cap and the junction between the casing of stepping motor, thereby reach the degree of protection that improves stepping motor, realize the water-proof function of stepping motor, reached the deep water work functions of stepping motor.Project organization of the present utility model is advanced, exclusion seal scientific structure and rationally reliable, and the advantages such as good manufacturability are a kind of novel stepper motor safeguard structures, it has wide range of applications.
Claims (3)
1. stepping motor with water-proof function, comprise casing (13), casing (13) one ends are provided with end cap (3), connect shaft (1) in the end cap (3), it is characterized in that: between shaft (1) and end cap (3), be provided with rubber ring (2), friction sealed (4), rubber sealing cup (5), metal collar (6), spiral compression spring (7), pressure centring ring (10) and large friction sealed (11), described rubber ring (2) closely is sheathed on the shaft (1), the front end of rubber ring (2) is provided with friction sealed (4), the cylindrical of rubber ring (2) is provided with spiral compression spring (7), and the two ends of spiral compression spring (7) are provided with metal collar (6), be provided with rubber sealing cup (5) in the die cavity of described end cap (3), the front end of rubber sealing cup (5) is provided with large friction sealed (11).
2. the stepping motor with water-proof function as claimed in claim 1 is characterized in that: be provided with 1 rubber seal (14) between described casing (13) and the end cap (3) at least.
3. the stepping motor with water-proof function as claimed in claim 1 is characterized in that: be provided with sealant layer (12) between described casing (13) and the end cap (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320128728 CN203251174U (en) | 2013-03-21 | 2013-03-21 | Stepping motor having waterproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320128728 CN203251174U (en) | 2013-03-21 | 2013-03-21 | Stepping motor having waterproof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203251174U true CN203251174U (en) | 2013-10-23 |
Family
ID=49377590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320128728 Expired - Fee Related CN203251174U (en) | 2013-03-21 | 2013-03-21 | Stepping motor having waterproof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203251174U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103814645A (en) * | 2014-03-24 | 2014-05-28 | 盐城瑞升齿轮有限公司 | Seal installation structure of engine of high-speed rice transplanter |
| CN105958703A (en) * | 2016-06-14 | 2016-09-21 | 溧水县得瑞微型电机厂 | Waterproof rotary motor |
| CN110190698A (en) * | 2019-06-27 | 2019-08-30 | 无锡明诚汽车部件有限公司 | A kind of starter protected against the effects of immersion structure |
| CN112398262A (en) * | 2020-12-04 | 2021-02-23 | 江苏苏美达五金工具有限公司 | Industrial rare earth permanent magnet motor |
-
2013
- 2013-03-21 CN CN 201320128728 patent/CN203251174U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103814645A (en) * | 2014-03-24 | 2014-05-28 | 盐城瑞升齿轮有限公司 | Seal installation structure of engine of high-speed rice transplanter |
| CN105958703A (en) * | 2016-06-14 | 2016-09-21 | 溧水县得瑞微型电机厂 | Waterproof rotary motor |
| CN110190698A (en) * | 2019-06-27 | 2019-08-30 | 无锡明诚汽车部件有限公司 | A kind of starter protected against the effects of immersion structure |
| CN112398262A (en) * | 2020-12-04 | 2021-02-23 | 江苏苏美达五金工具有限公司 | Industrial rare earth permanent magnet motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 Termination date: 20160321 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |