CN218416013U - Waterproof sealing motor - Google Patents

Waterproof sealing motor Download PDF

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Publication number
CN218416013U
CN218416013U CN202222411993.4U CN202222411993U CN218416013U CN 218416013 U CN218416013 U CN 218416013U CN 202222411993 U CN202222411993 U CN 202222411993U CN 218416013 U CN218416013 U CN 218416013U
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China
Prior art keywords
motor
sealing
end cover
motor body
ring
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Active
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CN202222411993.4U
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Chinese (zh)
Inventor
丛伟滋
丛建臣
丛雅琳
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Weihai Zhenghua Electric Co ltd
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Weihai Zhenghua Electric Co ltd
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Priority to CN202222411993.4U priority Critical patent/CN218416013U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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Abstract

The utility model discloses a waterproof sealing motor, which comprises a motor body; the cylindrical surface of an end cover of the motor body is provided with a friction pair cooling water injection hole, a rear end cover shaft outlet hole is closed, the joint parts of the front end cover and the rear end cover and the two end surfaces of a base of the motor body are provided with O-shaped rubber sealing rings for sealing, and a base wire outlet hole is provided with a rubber ring and 90-degree wire pressing device for sealing; the shaft extension end of the motor body is provided with a mechanical sealing device. The utility model has the advantages that: the structural design of the motor is improved, the characteristic that a large amount of cooling water is sprayed on the surface of the motor to take away a large amount of heat in the actual work of the motor is utilized, a cooling fan is omitted, the mechanical loss is reduced, the efficiency of the motor is improved, the rear end cover shaft outlet hole can be changed into a closed form, a rear shaft hole waterproof device is omitted, and the production cost is reduced; the waterproof seal of the shaft extension end adopts a mechanical seal device, and the specially designed water inlet cooling device thoroughly solves the problems of short service life and sealing failure caused by high temperature of a mechanical seal friction pair.

Description

Waterproof sealing motor
Technical Field
The utility model relates to a motor field specifically is a waterproof sealing motor.
Background
The motor is the most widely used power source in various fields. The motor commonly used generally adopts simple effectual forced air cooling radiating mode, and this kind of mode has two big drawbacks: firstly, the heat dissipation fan consumes mechanical power, which causes the efficiency of the motor to be reduced; secondly, the running noise is high, and along with the rapid promotion of energy conservation and emission reduction steps, the popularization and the use of the high-efficiency and low-noise motor are imperative.
Conventional motor is in having a large amount of splash water operational environment, and the skeleton oil blanket of fixing on the motor end cover of universal adoption avoids inside water gets into the motor, because the skeleton oil blanket is static, its lip department and axle excircle in close contact with and play the sealed effect, the high-speed rotation of motor shaft, skeleton oil blanket lip department produces frictional force and generates heat and constantly wearing and tearing, just can lose efficacy for a long time and can not reach sealed effect, water gets into inside electric leakage just can appear in the motor, burn out etc..
The device is characterized in that a water throwing ring, a water throwing sleeve and the like are fixed at a position close to the shaft hole of the end cover from the root of the output shaft of the motor, centrifugal force is generated on the device when the motor runs to throw water out of the shaft hole to prevent the water from entering the motor, and after the motor stops, residual water on a motor base can enter the motor from the shaft hole through gaps among the water throwing ring, the water throwing sleeve and the end cover, so that the sealing effect is not completely achieved.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the utility model provides a waterproof sealing motor. The utility model discloses a following technical scheme realizes.
A waterproof sealed motor includes a motor body;
the cylindrical surface of an end cover of the motor body is provided with a friction pair cooling water injection hole, a rear end cover shaft outlet hole is closed, the joint parts of the front end cover and the rear end cover of the motor body and two end surfaces of a base of the motor body are provided with O-shaped rubber sealing rings for sealing, and a base wire outlet is provided with a rubber ring and 90-degree wire pressing device for sealing;
the mechanical sealing device is composed of a static ring, a static sealing rubber sleeve on the outer circle of the static ring, a dynamic ring, a sealing rubber sleeve on the inner wall of the dynamic ring and a pressure spring, the static ring is fixed in an end cover hole of the motor body, the rubber sleeve on the inner wall of the dynamic ring is tightly attached to an output shaft of the motor body, and the pressure spring is arranged on the output shaft of the motor body.
Furthermore, the friction pair cooling water injection hole is connected to a main cooling water pipeline system through a water pipe, so that synchronous operation of the motor and the main cooling system is guaranteed when the motor works, and the mechanical seal friction pair is guaranteed to be sufficiently cooled.
Furthermore, the static ring of the friction pair of the mechanical sealing device is made of silicon carbide, and the moving ring is made of graphite.
Furthermore, three water flowing holes are formed in the friction pair of the mechanical sealing device in the vertical direction, and a water collecting tank is formed in the horizontal direction of the water flowing holes.
Further, the motor body can be designed into a B3, V5 or B8 mounting form.
The utility model has the advantages that: the structural design of the motor is improved, the characteristic that a large amount of cooling water is sprayed on the surface of the motor to take away a large amount of heat in the actual work of the motor is utilized, a cooling fan is omitted, the mechanical loss is reduced, the efficiency of the motor is improved, the rear end cover shaft outlet hole can be changed into a closed form, a rear shaft hole waterproof device is omitted, and the production cost is reduced; the waterproof seal of the shaft extension end adopts a mechanical seal device, and the specially designed water inlet cooling device thoroughly solves the problems of short service life and sealing failure caused by high temperature of a mechanical seal friction pair.
Drawings
Fig. 1 is a structural diagram (a) (B8 installation form) of a waterproof sealing motor of the present invention;
FIG. 2 is a structural diagram (B8 installation form) of a waterproof sealing motor of the present invention
Fig. 3 is a structural view of a water flow hole and a water tank in the vertical direction of a mechanical sealing friction pair of a motor.
Wherein, 1, end cover; 2. cooling water of the friction pair is injected into the hole; 3. the static ring and the excircle static sealing rubber sleeve thereof; 4. the movable ring and the inner wall of the movable ring are sealed by a rubber sleeve; 5. a pressure spring; 6. a bearing; 7. an output shaft; 8. a water flowing hole; 9. a water collection tank.
Detailed Description
The technical solution of the present invention will be described in more detail and fully with reference to the accompanying drawings.
In specific embodiment 1, a waterproof sealed motor includes a motor body;
a friction pair cooling water injection hole 2 is formed in the cylindrical surface of an end cover 1 of the motor body, and the friction pair cooling water injection hole 2 is connected into a main cooling water pipeline system through a water pipe, so that the synchronous operation of the motor and a main cooling system is ensured when the motor works, and the sufficient cooling of a mechanical seal friction pair is ensured;
the water splashed on the motor base is utilized to take away the heat generated by the motor, a fan for heat dissipation is removed, the shaft hole of the rear end cover is changed into a closed state from a through hole, the water is prevented from entering the motor from the shaft hole of the rear end cover, the joint parts of the front end cover, the rear end cover and the two end surfaces of the motor base are provided with O-shaped rubber sealing rings for sealing, the water is prevented from entering the motor from the joint surface, and the wire outlet hole of the motor base is sealed by a rubber ring and 90-degree wire pressing device;
the mechanical sealing device is composed of a static ring and an excircle static sealing rubber sleeve 3, a moving ring and a moving ring inner wall sealing rubber sleeve 4 and a pressure spring 5, the static ring is fixed in an end cover hole of the motor body, the moving ring inner wall rubber sleeve is tightly attached to an output shaft 7 of the motor body, the pressure spring 5 is arranged on the output shaft 7 of the motor body, and under the action of the pressure spring 5, a moving ring plane is tightly contacted with a static ring plane to achieve a sealing effect; the static ring of the friction pair of the mechanical sealing device is made of silicon carbide, the moving ring is made of graphite, the mechanical sealing device is high-temperature resistant and wear resistant, the heat dissipation performance is greatly enhanced through the specially arranged water inlet, and the service life is prolonged.
If a large amount of water is enough to ensure the lubrication and cooling of the mechanical seal friction pair at the shaft extension end, a separately designed water spraying pipeline can be removed, three water flowing holes 8 are designed in the vertical direction of the mechanical seal friction pair instead, and a water collecting tank 9 is arranged in the horizontal direction of the water flowing holes.
The motor can be designed into mounting forms of B3, V5 and B8, the mounting forms are different, the separately designed heat dissipation water inlets are also different, and the mounting form of the embodiment 1 is B8.
The utility model relates to a design and installation mechanical sealing device at the motor shaft extension end and effective cooling measure, which thoroughly solves the problem of sealing failure, and simultaneously utilizes the characteristic that a large amount of cooling water is splashed to the surface of the motor in the actual work of the motor to take away a large amount of heat, and the motor cancels a cooling fan, thereby reducing the mechanical loss and the operation noise of the motor and improving the efficiency; a mechanical seal cooling water inlet hole is formed in the proper position of the cylindrical surface of the end cover of the motor, the water inlet hole is connected to a main cooling water pipeline system through a water pipe, synchronous work of the motor and the main cooling system is guaranteed when the motor works, and the sealing device is guaranteed to be fully cooled.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may include, for example, fixed connections, detachable connections, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (5)

1. The utility model provides a waterproof sealing motor, includes motor body, its characterized in that:
the cylindrical surface of an end cover of the motor body is provided with a friction pair cooling water injection hole, a rear end cover shaft outlet hole is closed, the joint parts of the front end cover and the rear end cover of the motor body and two end surfaces of a base of the motor body are provided with O-shaped rubber sealing rings for sealing, and a base wire outlet is provided with a rubber ring and 90-degree wire pressing device for sealing;
the mechanical sealing device is composed of a static ring, a static sealing rubber sleeve on the outer circle of the static ring, a dynamic ring, a sealing rubber sleeve on the inner wall of the dynamic ring and a pressure spring, the static ring is fixed in an end cover hole of the motor body, the rubber sleeve on the inner wall of the dynamic ring is tightly attached to an output shaft of the motor body, and the pressure spring is arranged on the output shaft of the motor body.
2. A waterproof sealed motor according to claim 1, wherein: and the friction pair cooling water injection hole is connected to a main cooling water pipeline system through a water pipe, so that the synchronous operation of the motor and the main cooling system is ensured when the motor works, and the sufficient cooling of the mechanical seal friction pair is ensured.
3. A waterproof sealed motor according to claim 1, wherein: the static ring of the friction pair of the mechanical sealing device is made of silicon carbide, and the moving ring is made of graphite.
4. A waterproof sealed motor according to claim 1, wherein: three water flowing holes are formed in the friction pair of the mechanical sealing device in the vertical direction, and a water collecting tank is formed in the water flowing holes in the horizontal direction.
5. A waterproof sealed motor according to claim 1, wherein: the motor body can be designed into a B3, V5 or B8 mounting form.
CN202222411993.4U 2022-09-13 2022-09-13 Waterproof sealing motor Active CN218416013U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222411993.4U CN218416013U (en) 2022-09-13 2022-09-13 Waterproof sealing motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222411993.4U CN218416013U (en) 2022-09-13 2022-09-13 Waterproof sealing motor

Publications (1)

Publication Number Publication Date
CN218416013U true CN218416013U (en) 2023-01-31

Family

ID=85032700

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222411993.4U Active CN218416013U (en) 2022-09-13 2022-09-13 Waterproof sealing motor

Country Status (1)

Country Link
CN (1) CN218416013U (en)

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