CN211174811U

CN211174811U - Water-proof structure of water pump with square sealing strip

Info

Publication number: CN211174811U
Application number: CN201922282405.XU
Authority: CN
Inventors: 杨浩
Original assignee: Hunan Weili Auto Parts Co ltd
Current assignee: Hunan Weili Auto Parts Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-08-04
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a square sealing strip water pump waterproof construction, including the water pump body, be equipped with the motor on the water pump body, water pump pivot and rolling bearing are installed to motor one end, the water pump pivot with the rolling bearing joint, be equipped with backup pad and ring piece in the water pump pivot, the backup pad is connected with the ring piece, still includes the sealing strip, the backup pad passes through the ring piece and rotates and be connected with the sealing washer, the transversal square structure of personally submitting of sealing washer one, sealing washer fixed connection is at water pump pivot surface, water pump pivot one end is equipped with the fixed axle, water pump pivot surface connection has the impeller, the impeller passes through fixed axle fixed connection and is in water pump pivot one end, water pump body level one end is equipped with the water inlet, the perpendicular one end of. The design of the device adopts the sealing ring with the square cross section structure to enlarge the compression contact surface of the water pump, improve the waterproof effect and have stronger reliability.

Description

Water-proof structure of water pump with square sealing strip

Technical Field

The utility model relates to water pump technical field especially relates to a square sealing strip water pump waterproof construction.

Background

The water pump is a machine for conveying liquid or pressurizing liquid, and it can transfer the mechanical energy of prime mover or other external energy to the liquid to increase the energy of liquid, and is mainly used for conveying liquid including water, oil, acid-base liquid, emulsion, suspoemulsion, liquid metal, etc., and can also convey liquid, gas mixture and liquid containing suspended solid matter. The basic structure of the water pump mainly comprises a pump shell, a rotor, a shaft seal device, a seal ring, a bearing, a pump seat, an axial thrust balancing device and the like. The technical parameters of the water pump performance include flow, suction lift, shaft power, water power, efficiency and the like, and the water pump can be divided into a volumetric water pump, a vane pump and the like according to different working principles. The displacement pump transfers energy by utilizing the change of the volume of a working chamber; vane pumps transfer energy by the interaction of rotating vanes with water and are available in the types of centrifugal pumps, axial flow pumps, mixed flow pumps, and the like.

Need the motor to drive the operation in the water pump, the motor shaft of motor is connected with the pump shaft of water pump usually, wherein in order to avoid the motor to damage, is provided with the sealing washer on the pump shaft usually, avoids liquid to get into the motor chamber, and the sealing washer is as the key part of water pump, and its quality requirement is higher and higher, and the relatively poor sealing member of quality can lead to the life of water pump to receive serious influence.

Traditional sealing washer adopts O type seal structure, but this kind of O type sealing washer water-proof effects is low, and the reliability is poor, can lead to the life of water pump to receive serious influence.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a square sealing strip water pump waterproof construction has solved and has adopted O type sealing washer structure at present, causes water pump motor waterproof grade low, the poor technical problem of reliability

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a square sealing strip water pump waterproof construction, includes the water pump body, be equipped with the motor on the water pump body, water pump pivot and rolling bearing are installed to motor one end, the water pump pivot with the rolling bearing joint, be equipped with backup pad and ring piece in the water pump pivot, the backup pad is connected with the ring piece, still includes the sealing strip, the backup pad passes through the ring piece and rotates and be connected with the sealing washer, the transversal square structure of personally submitting of sealing washer one, sealing washer fixed connection is at water pump pivot surface, water pump pivot one end is equipped with the fixed axle, water pump pivot surface is connected with the impeller, the impeller passes through fixed axle fixed connection in water pump pivot one end, the horizontal one end of water pump body is equipped with the water inlet.

Preferably, the water pump further comprises a base, anti-skid grains are arranged on the base, and the water pump body is fixedly connected with the base.

Preferably, the sealing ring is a rubber sealing ring.

Preferably, an adjusting bolt is fixedly installed on the outer surface of the rotating bearing.

Preferably, a heat dissipation shell is fixedly installed at one end of the motor.

The utility model provides a square sealing strip water pump waterproof construction possesses following beneficial effect: 1. the design of the device adopts the sealing ring with the square cross section structure to enlarge the compression contact surface of the water pump, improve the waterproof effect and have stronger reliability.

2. The backup pad is connected with the sealing washer through the ring piece rotation for it is sealed, ring piece and sealing washer phase-match, rational in infrastructure, make the water pump sealed effect better. The sealing washer is established between impeller and motor, and the mechanical seal structure of this water pump can increase the sealing performance between impeller and the motor, and then improves mechanical seal's whole result of use and life.

3. The water pump body bottom fixedly connected with base for support water pump has guaranteed the whole integrality of device, and anti-skidding line has avoided water pump work the time because the motor vibrations and removes at will, influences normal work.

4. The sealing ring made of rubber has good waterproof effect. The adjusting bolt is fixedly arranged on the outer surface of the rotating bearing, so that the rotating bearing is convenient to adjust and disassemble, and the flexibility of the equipment is enhanced.

5. One end of the motor is fixedly provided with a heat dissipation shell. The motor heat dissipation device is used for heat dissipation of the motor, and the phenomenon that the working efficiency of the device is affected due to the fact that the motor cannot dissipate heat is avoided.

Drawings

FIG. 1 is a schematic diagram of a waterproof structure of a water pump with a square sealing strip;

FIG. 2 is a schematic structural view of a sealing ring from another perspective;

FIG. 3 is a schematic structural view of a seal ring;

wherein, the water pump comprises a water pump body 1, a water inlet 11, a water outlet 12, a motor 2, a heat dissipation shell 21, a water pump rotating shaft 3, a rotating bearing 31, an adjusting bolt 311, a fixed shaft 32, a support plate 4, a ring plate 5, a seal ring 6, an impeller 7 and a base 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following embodiments are merely illustrative, and are not intended to limit the manner in which features may be combined, and any features may be combined as appropriate across the embodiments.

As shown in fig. 1-2, the utility model provides a technical solution: the utility model provides a square sealing strip water pump waterproof construction, including water pump body 1, be equipped with motor 2 on the water pump body 1, water pump pivot 3 and rolling bearing 31 are installed to 2 one end of motor, water pump pivot 3 and rolling bearing 31 joint, be equipped with backup pad 4 and ring piece 5 on the water pump pivot 3, backup pad 4 is connected with ring piece 5, still include sealing washer 6, backup pad 4 rotates through ring piece 5 and is connected with sealing washer 6, the transversal square structure that personally submits of sealing washer 6, sealing washer 6 fixed connection is at 3 surfaces of water pump pivot, 3 one end of water pump pivot are equipped with fixed axle 32, 3 surface connection of water pump pivot have impeller 7, impeller 7 passes through fixed axle 32 fixed connection in 3 one end of water pump pivot, 1 horizontal one end of water pump body is equipped with water inlet 11, 1.

The two sides of the supporting plate 4 are fixedly connected with ring pieces 5, the supporting plate 4 is rotatably connected with a sealing ring 6 through the ring pieces 5 for sealing, the ring pieces 5 are matched with the sealing ring 6, the structure is reasonable, the sealing effect of the water pump is better, one cross section of the sealing ring 6 is of a square structure, the traditional sealing ring 6 adopts a structure with an O-shaped cross section, but the sealing ring 6 has low waterproof effect and poor reliability, the sealing ring 6 with the square structure is adopted after improvement, the sealing ring 6 with the structure enables the compression contact surface of the water pump to be enlarged, the waterproof effect is improved, the reliability is stronger, before the water pump is started, water is filled into the water inlet 11, after the water pump is operated, under the action of centrifugal force generated by high-speed rotation of the impeller 7, the water in the water pump body 1 is lifted to a high position, the sealing ring 6 is fixedly connected to the outer, this mechanical seal structure of water pump can increase the sealing performance between impeller 7 and motor 2, and then improves mechanical seal's whole result of use and life.

In this embodiment, still include base 8, be equipped with anti-skidding line on the base 8, water pump body 1 and base 8 fixed connection. The water pump body 1 bottom fixedly connected with base 8 for support the water pump, guaranteed the whole integrality of device, anti-skidding line has avoided water pump work the time because the motor vibrations and removes at will, influences normal work.

In this embodiment, the seal ring 6 is a rubber seal ring. The sealing ring 6 made of rubber has good waterproof effect.

In this embodiment, an adjusting bolt 311 is fixedly mounted on the outer surface of the rotary bearing 31. The rotating bearing 31 is adjusted, so that the equipment is convenient to disassemble, and the flexibility of the equipment is enhanced.

In this embodiment, a heat dissipation casing 21 is fixedly installed at one end of the motor 2. Be used for the heat dissipation of motor 2, avoid the unable heat dissipation of motor to influence device work efficiency.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a square sealing strip water pump waterproof construction, includes the water pump body, its characterized in that: the improved water pump is characterized in that a motor is arranged on the water pump body, a water pump rotating shaft and a rotating bearing are installed at one end of the motor, the water pump rotating shaft is connected with the rotating bearing in a clamped mode, a supporting plate and a ring piece are arranged on the water pump rotating shaft and connected with the ring piece, the supporting plate further comprises a sealing strip, the supporting plate is connected with a sealing ring through the ring piece in a rotating mode, the cross section of the sealing ring is of a square structure, the sealing ring is fixedly connected to the outer surface of the water pump rotating shaft, a fixed shaft is arranged at one end of the water pump rotating shaft, an impeller is connected to the outer surface of the water pump rotating shaft and fixedly connected.

2. The waterproof structure of a water pump with a square sealing strip according to claim 1, characterized in that: still include the base, be equipped with anti-skidding line on the base, water pump body and base fixed connection.

3. The waterproof structure of a water pump with a square sealing strip according to claim 1, characterized in that: the sealing ring is a rubber sealing ring.

4. The waterproof structure of a water pump with a square sealing strip according to claim 1, characterized in that: and an adjusting bolt is fixedly arranged on the outer surface of the rotating bearing.

5. The waterproof structure of a water pump with a square sealing strip according to claim 1, characterized in that: and a heat dissipation shell is fixedly arranged at one end of the motor.