CN210218201U

CN210218201U - Water pump capable of eliminating axial channeling

Info

Publication number: CN210218201U
Application number: CN201921289438.0U
Authority: CN
Inventors: Shengyu Shao; 邵声誉; Qiwei Shao; 邵琦玮
Original assignee: Ruian Ouchao Auto Parts Co Ltd
Current assignee: Ruian Ouchao Auto Parts Co Ltd
Priority date: 2019-08-10
Filing date: 2019-08-10
Publication date: 2020-03-31
Anticipated expiration: 2029-08-10

Abstract

The utility model relates to a technical field of water pump discloses a can eliminate water pump that axle was scurried, including the pump case that has the pump chamber, the axle is the bearing even, synchronizing wheel and impeller, the axle is even the bearing includes middle bearing section and locates first linkage segment and the second linkage segment at bearing section both ends, the bearing section is worn to locate in the pump case, first linkage segment and second linkage segment all extend to the pump case and connect synchronizing wheel and impeller outward respectively, the bearing section is equipped with the bearing of matcing, the bearing section is connected with the pump case, can be used to support the rotation of pump case, reduce the coefficient of friction among the pump case rotation process, eliminate the axle and scurried, guarantee seal structure's sealing performance.

Description

Water pump capable of eliminating axial channeling

Technical Field

The utility model relates to a technical field of water pump especially relates to a water pump that can eliminate axle scurries.

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.

The pivot of current water pump is lug connection on the synchronizing wheel, and pump case and impeller are worn to establish respectively in the pivot, and it is rotatory and then drive the impeller high-speed rotation to drive the pivot through the rotatory synchronizing wheel of actuating mechanism drive, because the pivot is fixed and takes place the axle easily and scurry on the synchronizing wheel, and then influences seal structure's sealing performance.

Disclosure of Invention

The utility model aims at providing a water pump can effectively eliminate the axle and scurry, guarantees seal structure's performance.

In order to solve the problems, the utility model provides a water pump capable of eliminating axial channeling, which comprises a pump shell with a pump chamber, an axial bearing, a synchronizing wheel and an impeller, wherein the axial bearing comprises a middle bearing section, a first connecting section and a second connecting section, the first connecting section and the second connecting section are arranged at two ends of the bearing section, the bearing section is arranged in the pump shell in a penetrating way, and the first connecting section and the second connecting section extend to the outside of the pump shell and are respectively connected with the synchronizing wheel and the impeller;

the lower extreme downwardly extending of pump case is formed with the installation section, be equipped with the installation cavity on the installation section, be equipped with in the installation cavity be used for with the bearing is connected to the axle and will the pump chamber with sealed seal structure between the bearing is connected to the axle.

Furthermore, a connecting bearing is arranged on the second connecting section, the connecting bearing is arranged between the pump chamber and the impeller, a crimping cavity is arranged at the lower end of the connecting bearing, and the sealing structure is arranged in the crimping cavity and connected with the connecting bearing.

Further, seal structure establishes including the cover rotating ring, stationary ring, spring holder on the connection bearing and locating spring on the spring holder, the rotating ring is located the turn-up intracavity, the stationary ring butt is in the rotating ring top, be equipped with the flange on the stationary ring, the spring holder is located on the flange.

Further, be equipped with first sealing washer in the hem chamber, first sealing washer is located the rotating ring with between the hem chamber diapire.

Furthermore, a corrugated pipe seat and a corrugated pipe matched with the corrugated pipe seat are further arranged between the pump chamber and the spring seat.

Furthermore, a convex shoulder is arranged on the peripheral wall of the pump shell, a sealing groove is arranged at the bottom end of the convex shoulder, and a second sealing ring is arranged in the sealing groove.

The utility model provides a can eliminate water pump that axle was scurried, including the pump case that has the pump chamber, the axle is the bearing even, synchronizing wheel and impeller, the axle is even the bearing includes middle bearing section and locates first linkage segment and the second linkage segment at bearing section both ends, the bearing section is worn to locate in the pump case, first linkage segment and second linkage segment all extend to the pump case and connect synchronizing wheel and impeller outward respectively, the bearing section is equipped with the bearing that matches, the bearing section is connected with the pump case, can be used to support the rotation of pump case, reduce the coefficient of friction among the pump case rotation process, eliminate the axle and scurried, guarantee seal structure's sealing performance.

Drawings

Fig. 1 is a schematic top view of a water pump capable of eliminating axial channeling according to an embodiment of the present invention.

Fig. 2 is a schematic bottom view of a water pump capable of eliminating axial play in an embodiment of the present invention.

Fig. 3 is an exploded schematic view of a water pump capable of eliminating axial play in an embodiment of the present invention.

Fig. 4 is a schematic sectional structural view of a water pump capable of eliminating axial channeling in an embodiment of the present invention.

In the figure, 1, a synchronizing wheel; 2. a pump housing; 3. a shaft coupling bearing; 4. a bellows seat; 5. a bellows; 6. a spring; 7. a spring seat; 8. a stationary ring; 9. a moving ring; 10. a first seal ring; 11. connecting a bearing; 12. an impeller; 13. a second seal ring; 14. and a crimping cavity.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Referring to fig. 1 to 4, a water pump capable of eliminating axial channeling according to an embodiment of the present invention is schematically shown, including a pump housing 2 having a pump chamber, an axial bearing 3, a synchronizing wheel 1 and an impeller 12, the pump housing 2 is integrally formed by aluminum alloy material and is shaped like a special ring, the axial bearing 3 includes a middle bearing section and a first connecting section and a second connecting section disposed at two ends of the bearing section, the bearing section is inserted into the pump housing 2, the first connecting section and the second connecting section both extend out of the pump housing 2 and are connected to the synchronizing wheel 1 and the impeller 12, the bearing section is provided with a matched bearing, the bearing section is connected to the pump housing 2, the sealing structure can be used for supporting the rotation of the pump shell 2, reducing the friction coefficient of the pump shell 2 in the rotation process, eliminating axial movement and ensuring the sealing performance of the sealing structure; the lower extreme of pump case 2 extends down and is formed with the installation section, is equipped with the installation cavity on the installation section, is equipped with in the installation cavity to be used for being connected with the bearing 3 of shaft and with the sealed seal structure between pump chamber and the bearing 3 of shaft, installs seal structure can guarantee compact structure in the installation cavity, and its wholeness is higher.

Specifically, the second connecting section is provided with a connecting bearing 11, the connecting bearing 11 is arranged between the pump chamber and the impeller 12, the lower end of the connecting bearing 11 is provided with a crimping cavity, and the sealing structure is arranged in the crimping cavity and connected with the connecting bearing 11 so as to be supported on the sealing structure and the second connecting section, and the friction coefficient of the second connecting section in the rotating process is reduced so as to further eliminate shaft channeling.

Further, seal structure establishes including the cover and establishes rotating ring 9, stationary ring 8, spring holder 7 on connecting bearing 11 and locate spring 6 on the spring holder 7, and in the hem chamber 14 was located to rotating ring 9, stationary ring 8 butt was equipped with the flange on the stationary ring 8 in the top of rotating ring 9, and on the flange was located to the spring 6 seat, realized mechanical seal through rotating ring 9, stationary ring 8 and spring 6.

Further, a first sealing ring 10 is arranged in the crimping cavity 14, and the first sealing ring 10 is located between the movable ring 9 and the bottom wall of the crimping cavity 14, so that sealing between the movable ring 9 and the crimping cavity 14 connected with the bearing 11 is achieved, dust and dirt are prevented from invading into the pump shell 2, and the service life of the pump shell 2 is influenced. A corrugated pipe seat 4 and a corrugated pipe 5 matched with the corrugated pipe seat 4 are also arranged between the pump chamber and the spring 6 seat, the corrugated pipe 5 seat 4 is matched with the corrugated pipe 5 to realize axial connection and positioning, and simultaneously, the sealing of the pump shell 2 is also performed to a certain extent.

In order to further ensure the sealing between the pump shell 2 and the mechanical equipment connected with the pump shell, a convex shoulder is arranged on the circumferential wall of the pump shell 2, the bottom end of the convex shoulder is provided with a sealing groove, and a second sealing ring 13 is arranged in the sealing groove.

To sum up, the utility model provides a can eliminate water pump that axle was scurried, including pump case 2 that has the pump chamber, axle connecting bearing 3, synchronizing wheel 1 and impeller 12, axle connecting bearing 3 includes the bearing section in the middle of and locates the first linkage segment and the second linkage segment at bearing section both ends, the bearing section is worn to locate in pump case 2, synchronizing wheel 1 and impeller 12 are connected respectively to first linkage segment and second linkage segment all extending to 2 outer difference of pump case, the bearing section is equipped with the bearing of matching, the bearing section is connected with pump case 2, can be used to support the rotation of pump case 2, reduce the coefficient of friction among 2 rotatory processes of pump case, eliminate the axle and scurrie, guarantee seal structure's sealing performance.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A water pump capable of eliminating axial channeling is characterized by comprising a pump shell with a pump chamber, an axial bearing, a synchronizing wheel and an impeller, wherein the axial bearing comprises a middle bearing section, a first connecting section and a second connecting section, the first connecting section and the second connecting section are arranged at two ends of the bearing section, the bearing section is arranged in the pump shell in a penetrating mode, and the first connecting section and the second connecting section extend out of the pump shell and are respectively connected with the synchronizing wheel and the impeller;

2. The water pump capable of eliminating axial channeling according to claim 1, wherein a connection bearing is provided on the second connection section, the connection bearing is disposed between the pump chamber and the impeller, a crimping cavity is provided at a lower end of the connection bearing, and the sealing structure is disposed in the crimping cavity and connected to the connection bearing.

3. The water pump capable of eliminating axial channeling as claimed in claim 2, wherein the sealing structure comprises a movable ring, a stationary ring, a spring seat and a spring, the movable ring, the stationary ring and the spring seat are sleeved on the connecting bearing, the movable ring is arranged in the curling cavity, the stationary ring abuts against the upper side of the movable ring, a flange is arranged on the stationary ring, and the spring seat is arranged on the flange.

4. The water pump capable of eliminating axial channeling according to claim 3, wherein a first sealing ring is disposed in the crimping cavity and located between the movable ring and the bottom wall of the crimping cavity.

5. The water pump capable of eliminating axial channeling according to claim 3, wherein a bellows seat and a bellows fitted to the bellows seat are further provided between the pump chamber and the spring seat.

6. The water pump capable of eliminating axial channeling according to claim 3, wherein a shoulder is provided on a peripheral wall of the pump housing, a seal groove is provided at a bottom end of the shoulder, and a second seal ring is provided in the seal groove.