CN218817176U

CN218817176U - Anti-leakage mechanism for centrifugal pump

Info

Publication number: CN218817176U
Application number: CN202222726965.1U
Authority: CN
Inventors: 黄光正; 赵洪德; 周广启; 路明; 宋志雪
Original assignee: Shenyang Rixinyuan Pump Co ltd
Current assignee: Shenyang Rixinyuan Pump Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-04-07
Anticipated expiration: 2032-10-17

Abstract

The utility model is suitable for a centrifugal pump prevents leaking technical field, provides a centrifugal pump prevents leaking mechanism, including the shell and the protective structure that are connected with centrifugal pump shaft cover fixed, set up fixed opening on the shell; the protective structure comprises a protective cover, wherein the protective cover is detachably arranged on one side face of the shell, a plurality of fixing rods are fixedly connected to one side of the shell in the transverse direction, and a plurality of fixing openings matched with the fixing rods are formed in the other side face of the protective cover. This antiseep mechanism for centrifugal pump closes at the junction of shell and protection casing outside through two semicircle integrated circuit boards, and the fixture block inlay card is sealed in the inside of inlay card recess, fixes the protection casing on the side of shell through connecting bolt, contradicts through seal ring and centrifugal pump, and the seal cover seals with the pump shaft contact, and the sealing rubber circle inlay card is sealed in the junction of shell in the protection casing in the inside of annular, carries out the omnidirectional prevention of seepage to the centrifugation originally and passes through the processing.

Description

Anti-leakage mechanism for centrifugal pump

Technical Field

The utility model belongs to the technical field of the centrifugal pump prevention of seepage passes through, especially, relate to a centrifugal pump is with antiseep mechanism.

Background

The centrifugal pump is a machine for conveying liquid or pressurizing liquid, the centrifugal pump works by utilizing the rotation of an impeller to enable water to generate centrifugal motion, before a water pump is started, a pump shell and a water suction pipe are filled with water, then a motor is started, the pump shaft drives the impeller and the water to generate high-speed rotation motion, the water generates centrifugal motion and is thrown to the outer edge of the impeller, and the water flows into a water pressure pipeline of the water pump through a flow channel of a volute-shaped pump shell.

When using the centrifugal pump, in order to prevent the seepage, all need the output installation antiseep mechanism at the centrifugal pump, antiseep mechanism often directly adopts the hasp extrusion fixed, in long-time use, the vibration that the centrifugal pump during operation produced can lead to the hasp not hard up to appear, produces the clearance between centrifugal pump and the antiseep mechanism, leads to the mechanism relatively poor to the sealed effect of centrifugal pump.

SUMMERY OF THE UTILITY MODEL

The utility model provides a antiseep mechanism for centrifugal pump aims at solving the hasp extrusion fixed, and in long-time use, the hasp appears becoming flexible easily, produces the clearance between centrifugal pump and the antiseep mechanism, leads to the relatively poor problem of sealed effect of mechanism to the centrifugal pump.

The utility model discloses a realized like this, a antiseep mechanism for centrifugal pump, including the shell and the protective structure that are connected with centrifugal pump shaft cap fixedly, fixed opening has been seted up on the shell;

the protective structure comprises a protective cover, the protective cover is detachably arranged on one side surface of the shell, a plurality of fixing rods are transversely and fixedly connected to one side of the shell, and a plurality of fixing ports matched with the fixing rods are formed in the other side surface of the protective cover;

the top and the bottom of protection casing surface opposite side with the top and the equal fixedly connected with fixed block in bottom of shell surface one side, the protection casing with the junction detachably of shell is provided with two semicircle arc boards, the internal face of semicircle arc board seted up with the inlay card recess of fixed block looks adaptation, the equal fixedly connected with engaging lug in both ends on semicircle arc board surface, two engaging lugs at the same end pass through connecting bolt and can dismantle the connection, connecting bolt's surperficial threaded connection has coupling nut.

Preferably, the inner wall surface of the protective cover is provided with an accommodating port matched with the fixing port.

Preferably, a sealing sleeve is fixedly connected to the inner wall surface of the accommodating port.

Preferably, the other side surface of the shell is fixedly connected with a sealing gasket matched with the fixed through hole.

Preferably, the surface of the shell is provided with a plurality of fixing holes, and the plurality of fixing holes are uniformly distributed and arranged at intervals along the surface of the shell in an annular manner.

Preferably, the other side of protection casing fixedly connected with sealing rubber circle, a side of shell seted up with sealing rubber encloses the annular of looks adaptation.

Preferably, the surface of the connecting bolt is movably sleeved with an anti-skid gasket.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a antiseep mechanism for centrifugal pump, a side through the shell is contradicted with the another side of protection casing and is docked the back, can close the junction outside at shell and protection casing through two semicircle arc boards, the fixed block inlay card is in the inside of inlay card recess, fix the back through connecting bolt to two engaging lugs, can fix the protection casing on a side of shell, it seals with the centrifugal pump conflict through seal ring, the seal cover seals with the pump shaft contact, the sealing rubber circle inlay card seals in the inside of annular is sealed in the junction of protection casing to the shell, originally, carry out the omnidirectional prevention of seepage and permeation to the centrifugation, and replace traditional hasp to connect, it is inseparabler to be connected between shell and the protection casing, it is difficult for appearing becoming flexible, the prevention of seepage and permeation effect is better, and insert in the inside of fixed mouthful through the dead lever, the vibration that produces at the centrifugal pump during operation, can prevent the condition of counterpoint slope from appearing between shell and the protection casing, make the inseparabler that is connected between connecting bolt and the coupling nut, it is difficult not hard up to become flexible, improve the stability that the mechanism used for a long time prevention of seepage and permeation.

Drawings

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

FIG. 2 is a schematic structural view of the middle protective cover and the semicircular arc plate of the present invention;

fig. 3 is the structure diagram of the middle semicircular arc plate and the connecting lug of the utility model.

In the figure: 1. a housing; 2. a protective cover; 3. a sealing gasket; 4. sealing the rubber ring; 5. a ring groove; 6. a fixing hole; 7. a sealing sleeve; 8. fixing the rod; 9. a fixed port; 10. a semicircular arc plate; 11. a fixed block; 12. clamping and embedding the groove; 13. an accommodating port; 14. connecting lugs; 15. a connecting bolt; 16. a connecting nut; 17. an anti-slip gasket; 18. and fixing the through opening.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, the present invention provides a technical solution: an anti-leakage mechanism for a centrifugal pump comprises a shell 1 and a protective structure, wherein the shell 1 and the protective structure are fixedly connected with a shaft cover of the centrifugal pump, and a fixing through hole 18 is formed in the shell 1; protective structure includes protection casing 2, and protection casing 2 detachably sets up in a side of shell 1, and the horizontal fixedly connected with a plurality of dead lever 8 in one side of shell 1, the fixed mouth 9 of a plurality of and the adaptation of dead lever 8 is seted up to the another side of protection casing 2.

The top and the bottom of 2 surface opposite sides of protection casing and the top and the equal fixedly connected with fixed block 11 in bottom of 1 surface one side of shell, the junction detachably of protection casing 2 and shell 1 is provided with two semicircle boards 10.

The two semicircular arc plates 10 can be spliced into a cylinder which is matched with the shell 1 and the protective cover 2.

The inlay card recess 12 with fixed block 11 looks adaptation is seted up to the internal wall face of semicircle board 10, and the equal fixedly connected with engaging lug 14 in both ends on semicircle board 10 surface, and two engaging lugs 14 of same end pass through connecting bolt 15 and can dismantle the connection, and connecting bolt 15's surperficial threaded connection has coupling nut 16.

A side of shell 1 contradicts with the another side of protection casing 2 and docks the back, can be outside at the junction of shell 1 and protection casing 2 through two semicircular arc board 10 blocks, and fixed block 11 inlay card is in the inside of inlay card recess 12, through connecting nut 16 threaded connection in connecting bolt 15 the surface with the bottom of engaging lug 14 support the back, to fixing two engaging lugs 14 after.

After two engaging lugs 14 of homonymy are fixed, can fix semicircle board 10 in the junction of shell 1 and protection casing 2, and then fix on the side of shell 1 protection casing 2, and replace traditional hasp to connect, be connected between shell 1 and the protection casing 2 inseparabler, difficult appearance is not hard up, and the prevention of seepage passes through the effect better.

The dead lever 8 inserts in the inside of fixed mouthful 9, and the vibration that produces at the centrifugal pump during operation can prevent to appear the condition of counterpoint slope between shell 1 and the protection casing 2, makes connecting bolt 15 and connecting nut 16 between be connected inseparabler, and difficult not hard up improves the long-time prevention of seepage of mechanism and passes through the stability of use.

Further, the inner wall surface of the shield 2 is provided with an accommodating port 13 adapted to the fixing port 18.

In this embodiment, the pump shaft of the centrifugal pump can extend to the outside of the mechanism through the inside of the fixing through port 18 and the accommodating through port 13.

Further, a seal cover 7 is fixedly connected to an inner wall surface of the accommodation port 13.

In the present embodiment, the seal sleeve 7 seals after contacting the pump shaft.

Furthermore, a sealing washer 3 matched with the fixing through hole 18 is fixedly connected to the other side face of the shell 1.

In this embodiment, the sealing washer 3 seals against the centrifugal pump.

Furthermore, a plurality of fixing holes 6 are formed in the surface of the shell 1, and the fixing holes 6 are distributed and arranged at equal intervals along the surface of the shell 1 in an annular mode.

The fixing holes 6 facilitate the fixed connection between the casing 1 and the centrifugal pump in this embodiment.

Furthermore, another side fixedly connected with sealing rubber circle 4 of protection casing 2, the annular 5 with sealing rubber circle 4 looks adaptation is seted up to one side of shell 1.

In this embodiment, seal ring 3 is contradicted with the centrifugal pump and is sealed, and seal cover 7 is sealed with the pump shaft contact, and sealing rubber circle 4 inlay card is sealed in the inside of annular 5 in the junction of protection casing 2 to shell 1, carries out the all-round prevention of seepage to the centrifugation originally and passes through the processing.

Further, the surface of the connecting bolt 15 is movably sleeved with an anti-skid gasket 17.

In the present embodiment, the anti-slip washer 17 improves the loosening performance of the coupling nut 16, and improves the stability of the coupling between the housing 1 and the shield 2.

The utility model discloses a theory of operation and use flow: the utility model discloses installed well the back, a side of shell 1 is contradicted with the another side of protection casing 2 and is docked the back, can be outside at the junction of shell 1 with protection casing 2 through two semicircular arc board 10 blocks, fixed block 11 inlay card is in the inside of inlay card recess 12, fix the back with two engaging lugs 14 through connecting bolt 15, can fix on a side of shell 1 protection casing 2, it seals with the centrifugal pump conflict through seal ring 3, seal cover 7 seals with the pump shaft contact, seal rubber circle 4 inlay card is sealed in the inside of annular 5 to shell 1 in the junction of protection casing 2, originally carry out omnidirectional prevention of seepage and permeation to the centrifugation, and replace traditional hasp connection, it is inseparabler to be connected between shell 1 and the protection casing 2, difficult appearance is not hard up, the prevention of seepage and permeation effect is better, and insert in the inside of fixed mouthful 9 through dead lever 8, the vibration that produces in the centrifugal pump during operation, can prevent the condition of counterpoint slope from appearing between shell 1 and the protection casing 2, make the inseparabler that is connected between connecting bolt 15 and the coupling nut 16.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a antiseep mechanism for centrifugal pump which characterized in that: the centrifugal pump shaft cover protection structure comprises a shell (1) and a protection structure, wherein the shell (1) is fixedly connected with a centrifugal pump shaft cover, and a fixing through hole (18) is formed in the shell (1);

the protective structure comprises a protective cover (2), the protective cover (2) is detachably arranged on one side surface of the shell (1), one side of the shell (1) is transversely and fixedly connected with a plurality of fixing rods (8), and the other side surface of the protective cover (2) is provided with a plurality of fixing ports (9) matched with the fixing rods (8);

the top and the bottom of protection casing (2) surface opposite side with the top and the equal fixedly connected with fixed block in bottom (11) of shell (1) surface one side, protection casing (2) with the junction detachably of shell (1) is provided with two semicircular arc boards (10), the internal face of semicircular arc board (10) seted up with inlay card recess (12) of fixed block (11) looks adaptation, the equal fixedly connected with engaging lug in both ends (14) on semicircular arc board (10) surface, two engaging lugs (14) of homonymy can dismantle the connection through connecting bolt (15), the surperficial threaded connection of connecting bolt (15) has coupling nut (16).

2. An anti-leakage mechanism for a centrifugal pump as defined in claim 1, wherein: the inner wall surface of the protective cover (2) is provided with an accommodating through hole (13) matched with the fixed through hole (18).

3. The anti-leakage mechanism for the centrifugal pump according to claim 2, wherein: the inner wall surface of the accommodating port (13) is fixedly connected with a sealing sleeve (7).

4. The anti-leakage mechanism for the centrifugal pump as claimed in claim 1, wherein: and the other side surface of the shell (1) is fixedly connected with a sealing gasket (3) matched with the fixed through hole (18).

5. The anti-leakage mechanism for the centrifugal pump as claimed in claim 1, wherein: the surface of the shell (1) is provided with a plurality of fixing holes (6), and the fixing holes (6) are uniformly distributed and arranged along the surface of the shell (1) at intervals in an annular shape.

6. An anti-leakage mechanism for a centrifugal pump as defined in claim 1, wherein: the other side fixedly connected with sealing rubber circle (4) of protection casing (2), annular (5) with sealing rubber circle (4) looks adaptation are seted up to one side of shell (1).

7. The anti-leakage mechanism for the centrifugal pump as claimed in claim 1, wherein: the surface of the connecting bolt (15) is movably sleeved with an anti-skid gasket (17).