CN108799136B

CN108799136B - Water pump with self-adaptive adjusting sealing structure

Info

Publication number: CN108799136B
Application number: CN201810550949.7A
Authority: CN
Inventors: 汪六一; 宋从发
Original assignee: Anhui Longquan Valve Manufacturing Co ltd
Current assignee: ANHUI LONGQUAN VALVE MANUFACTURING Co.,Ltd.
Priority date: 2018-05-31
Filing date: 2018-05-31
Publication date: 2020-07-24
Anticipated expiration: 2038-05-31
Also published as: CN108799136A

Abstract

The invention discloses a water pump with a self-adaptive adjusting sealing structure, which comprises a motor, wherein the lower end of the motor is fixedly connected with a base, the middle part of the left side of the motor is rotatably connected with a rotating shaft, the left side of the motor is fixedly connected with a conveying wall, a baffle is fixedly connected inside the conveying wall, two sides of the baffle are both fixedly connected with ring sheets, the baffle is rotatably connected with a sealing ring through the ring sheets, the sealing ring is fixedly connected to the side surface of the rotating shaft, the left side of the rotating shaft is fixedly connected with a fixed shaft, the side surface of the fixed shaft is provided with a key groove, the fixed shaft is fixedly connected with an impeller through the key. The invention can effectively perform laminating shock absorption and reduce the abrasion between mechanical sealing elements, thereby making up the problem of machining precision, ensuring better sealing effect, effectively ensuring the tightness of the sealing ring and the rotating shaft and ensuring more stable operation of the device.

Description

Water pump with self-adaptive adjusting sealing structure

Technical Field

The invention relates to the technical field of sealing, in particular to a water pump with a self-adaptive adjusting sealing structure.

Background

Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal. In the prior art, the water pump mostly adopts a mechanical sealing mode and comprises a movable ring body and a static ring body, wherein the static ring body is fixed on a pump seat, and the movable ring body is a rotating body which is concentric with a water pump shaft and rotates at a high speed along with the water pump shaft. The sealing performance of the water pump is difficult to guarantee by using a single mechanical sealing structure, and the existing water pump is easy to cause abrasion between mechanical sealing parts due to insufficient machining precision, large vibration or large axial channeling of a pump shaft in the working process, so that the sealing effect is influenced.

Disclosure of Invention

The invention aims to provide a water pump with a self-adaptive adjusting sealing structure, which aims to solve the problems that the mechanical sealing parts are easily abraded due to insufficient machining precision, large vibration or large axial displacement of a pump shaft in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a self-adaptation regulation seal structure's water pump, includes the motor, motor left side middle part rotates and is connected with the axis of rotation, motor left side fixedly connected with carries the wall, carry the inside fixedly connected with baffle of wall, the equal fixedly connected with ring piece in baffle both sides, the baffle rotates through the ring piece and is connected with the sealing ring, just sealing ring fixed connection is in the axis of rotation side, axis of rotation left side fixedly connected with fixed axle, the fixed axle is connected with the impeller, carry the wall left end and seted up the water inlet, carry the wall upper end and seted up the delivery port, the sealed intra-annular of baffle both sides all be equipped with the ring, the ring opposite face of both sides all is equipped with the.

The side surface of the fixed shaft is provided with a key groove, and the fixed shaft is fixedly connected with an impeller through the key groove.

The sealing ring is of a hollow structure, the circular ring and the magnetic ring are formed in a co-agent mode during preparation of the sealing ring, an O-shaped sealing ring is arranged between the magnetic ring and the magnetic ring, the thickness of the magnetic ring is the same as that of the ring piece, and the thickness of the O-shaped sealing ring is the same as that of the ring surface of the sealing ring.

The lower end of the motor is fixedly connected with a base.

And a fixing screw hole is formed in the left side of the sealing ring.

And a heat dissipation shell is fixedly arranged at the right end of the motor.

The ring plate is matched with the sealing ring.

Compared with the prior art, the invention has the beneficial effects that:

1. this water pump seal structure through ring piece and sealing ring sliding connection, can effectually laminate the shock attenuation, reduces the wearing and tearing between the mechanical seal to compensate the problem of machining precision, made it sealed effect better.

2. After the ring pieces continuously abrade the inner walls of the sealing rings, abrasion gaps are easy to occur, the sealing effect is reduced, the magnetic rings attract each other, the circular rings on two sides are pulled to be close to each other, the sealing rings are always contacted with the ring pieces, and the good sealing effect is ensured;

3. the O-shaped sealing ring is arranged, so that on one hand, the contact between the magnetic ring and the magnetic ring is avoided, the inner part of the O-shaped sealing ring cannot be adjusted after the O-shaped sealing ring leaves a factory, and the adjustment effect is lost after the magnetic ring is contacted with the magnetic ring;

4. this water pump seal structure has seted up fixed screw through the sealing ring right side and has fixed, effectively guarantees the fastening nature of sealing ring and axis of rotation, makes the device operation more stable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

in the figure: the heat dissipation device comprises a motor 1, a heat dissipation shell 11, a rotating shaft 2, a conveying wall 3, a baffle 31, a ring 32, a sealing ring 4, a fixing screw hole 41, a ring 42, a magnetic ring 43, a sealing ring 44O-shaped, a fixing shaft 5, a key groove 51, an impeller 6, a water inlet 7, a water outlet 8 and a base 9.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: a water pump with a self-adaptive adjusting sealing structure comprises a motor 1, wherein a heat dissipation shell 11 is fixedly installed at the right end of the motor 1, heat dissipation is facilitated, a base 9 is fixedly connected to the lower end of the motor 1, the structure is reasonable, the whole body is complete, a rotating shaft 2 is rotatably connected to the middle of the left side of the motor 1, a conveying wall 3 is fixedly connected to the left side of the motor 1, a baffle 31 is fixedly connected to the inner portion of the conveying wall 3, ring pieces 32 are fixedly connected to the two sides of the baffle 31, sealing effect is better, the baffle 31 is rotatably connected with a sealing ring 4 through the ring pieces 32 for sealing, the ring pieces 32 are matched with the sealing ring 4, the structure is reasonable, sealing performance is better, a fixing screw hole 41 is formed in the left side of the sealing ring 4, the device is guaranteed to run more stably, the sealing, the keyway 51 has been seted up to 5 sides of fixed axle, is convenient for install impeller 6, fixed axle 5 passes through keyway 51 fixedly connected with impeller 6, carry 3 left ends of wall to have seted up water inlet 7, carry 3 upper ends of wall to have seted up delivery port 8. The sealing rings 4 on both sides of the baffle 31 are internally provided with circular rings 42, the opposite surfaces of the circular rings 42 on both sides are provided with magnetic rings 43, and the different surfaces of the magnetic rings 43 on both sides are opposite. The side surface of the fixed shaft 5 is provided with a key slot 51, and the fixed shaft 5 is fixedly connected with an impeller 6 through the key slot 51. The sealing ring 4 is of a hollow structure, the ring 42 and the magnetic ring 43 are formed by mixing during preparation of the sealing ring 4, an O-shaped sealing ring 44 is arranged between the magnetic ring 43 and the magnetic ring 43, the thickness of the magnetic ring 43 is the same as that of the ring piece 32, and the thickness of the O-shaped sealing ring 44 is the same as that of the ring surface of the sealing ring 4.

The working principle is as follows: when using, motor 1 drives axis of rotation 2 and fixed axle 5 and rotates, then fixed axle 5 drives impeller 6 through keyway 51 and rotates and extract liquid, intakes from water inlet 7 and carries liquid to delivery port 8 through impeller 6, then through axis of rotation 2's outside fixed connection sealing ring 4, and at baffle 31 both sides fixed connection ring piece 32, utilize sealing ring 4 and ring piece 32 sliding seal, make it sealed better effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a water pump of self-adaptation regulation seal structure, includes motor (1), its characterized in that: the middle part of the left side of the motor (1) is rotatably connected with a rotating shaft (2), the left side of the motor (1) is fixedly connected with a conveying wall (3), a baffle (31) is fixedly connected inside the conveying wall (3), ring pieces (32) are fixedly connected on the two sides of the baffle (31), the baffle (31) is rotatably connected with a sealing ring (4) through the ring pieces (32), the sealing ring (4) is fixedly connected on the side surface of the rotating shaft (2), a fixed shaft (5) is fixedly connected on the left side of the rotating shaft (2), the fixed shaft (5) is connected with an impeller (6), a water inlet (7) is arranged at the left end of the conveying wall (3), a water outlet (8) is arranged at the upper end of the conveying wall (3), rings (42) are arranged in the sealing rings (4) on the two sides of the baffle (31), and magnetic rings (43, the different surfaces of the magnetic rings (43) at the two sides are opposite; the sealing ring (4) is of a hollow structure, the circular ring (42) and the magnetic ring (43) are formed in a co-agent mode during preparation of the sealing ring (4), an O-shaped sealing ring (44) is arranged between the magnetic ring (43) and the magnetic ring (43), the thickness of the magnetic ring (43) is the same as that of the ring piece (32), and the thickness of the O-shaped sealing ring (44) is the same as that of the ring surface of the sealing ring (4).

2. The water pump of claim 1, wherein the self-adaptive adjustment sealing structure comprises: the side surface of the fixed shaft (5) is provided with a key groove (51), and the fixed shaft (5) is fixedly connected with an impeller (6) through the key groove (51).

3. The water pump of claim 1, wherein the self-adaptive adjustment sealing structure comprises: the lower end of the motor (1) is fixedly connected with a base (9).

4. The water pump of claim 1, wherein the self-adaptive adjustment sealing structure comprises: and a fixing screw hole (41) is formed in the left side of the sealing ring (4).

5. The water pump of claim 1, wherein the self-adaptive adjustment sealing structure comprises: the right end of the motor (1) is fixedly provided with a heat dissipation shell (11).

6. The water pump of claim 1, wherein the self-adaptive adjustment sealing structure comprises: the ring sheet (32) is matched with the sealing ring (4).