CN211715387U - Sealing ring for pump - Google Patents

Abstract

The utility model discloses a sealing ring for pump, including the rubber circle, the outer wall of rubber circle has cup jointed the plastic casing, the plastic casing is the donut-shaped, the equal fixed lug that is equipped with in inner wall both sides of plastic casing, it has the block rubber to peg graft between lug and the rubber circle, the block rubber is the donut-shaped, the fixed ejector pin that is equipped with in top of block rubber. Through the cooperation of lug and block rubber, promote the block rubber and remove to lug one side, the block rubber is under the extrusion of lug, exert pressure to the rubber circle, the rubber circle can take place elastic deformation because of the elastic property of self after receiving pressure, the laminating pump body simultaneously, strengthen sealed effect, cooperation through ejector pin and fixture block, the ejector pin can conveniently adjust the position of block rubber, the fixture block is at the in-process and the mutual joint of bead that remove, reach spacing effect, can also prolong the life of the pump body when the leakproofness between the reinforcing and the pump body, therefore, the practicality is strong.

Description

Sealing ring for pump

Technical Field

The utility model relates to a sealing ring technical field for the pump, concrete field is a sealing ring for pump.

Background

The water pump sealing ring plays a sealing role. The seal is a part or measure for preventing fluid or solid particles from leaking from adjacent joint surfaces and preventing external impurities such as dust and moisture from invading into the interior of machine equipment, and in the case of a water pump, the seal has the functions of reducing leakage loss between an impeller and a pump body and preventing liquid in the pump from flowing out or preventing air from leaking into the pump (when an inlet is vacuum), and the seal device of the water pump has an outer seal and an inner seal. The inner seal comprises a sealing ring (also called a mouth ring and a clamping ring); the outer seal comprises a packing seal, a mechanical seal, a floating ring seal, a labyrinth seal and a spiral seal, because the centrifugal pump forms vacuum water absorption by an impeller inlet, water must be poured into the pump and the water absorption pipe before starting, or the vacuum pump is used for pumping air to form vacuum, the pump shell and the water absorption pipe must be strictly sealed, air leakage cannot occur, or vacuum cannot be formed, water cannot be absorbed, the sealing ring can age after long-time use, the phenomenon of looseness and easy falling off can occur, the sealing effect is lost, and the practical performance is poor

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealing ring for pump to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealing ring for pump, includes the rubber circle, the outer wall of rubber circle has cup jointed the plastic casing, the plastic casing is the donut-shaped, the equal fixed lug that is equipped with in inner wall both sides of plastic casing, it has the block rubber to peg graft between lug and the rubber circle, the block rubber is the donut-shaped, the fixed ejector pin that is equipped with in top of block rubber, the fixed fixture block that is equipped with in one side that the ejector pin is close to the plastic casing, the inner wall top of plastic casing is equipped with the bead, bead and the mutual joint of fixture block.

Preferably, the inner wall of the lug is provided with a bolt hole, the two sides of the plastic shell are both provided with openings, the openings are communicated with the bolt hole, the inner wall of the bolt hole is in threaded connection with a screw, one side of the screw, which is close to the rubber ring, is fixedly provided with a top block, and the top block is made of rubber.

Preferably, the top end of the ejector rod is fixedly provided with a pressing plate.

Preferably, a support is fixedly assembled at the joint of the fixture block and the ejector rod, and the support is triangular.

Preferably, the side surface of the rubber ring is provided with a groove.

Preferably, the bottom end diameter of the bump is larger than the top end diameter.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a sealing ring for pump, cooperation through rubber circle and plastic casing, the plastic casing plays the effect of protection to the rubber circle, it causes the damage to avoid the rubber circle, cooperation through lug and block rubber, promote the block rubber and remove to lug one side, the block rubber is under the extrusion of lug, exert pressure to the rubber circle, the elastic deformation can take place because the elastic property of self after receiving pressure for the rubber circle, the pump body of laminating simultaneously, the sealed effect of reinforcing, cooperation through ejector pin and fixture block, the ejector pin can conveniently adjust the position of block rubber, the fixture block is at the in-process and the mutual joint of bead that remove, reach spacing effect, can also prolong the life of the pump body when the leakproofness between the reinforcing and the pump body, high practicability.

Drawings

FIG. 1 is a schematic view of the rubber ring structure of the present invention;

FIG. 2 is a schematic structural view of the plastic shell of the present invention;

FIG. 3 is a sectional view of the structure of the present invention;

fig. 4 is a schematic structural diagram of a point a in fig. 3.

In the figure: 1-rubber ring, 2-plastic shell, 3-lug, 4-rubber block, 5-ejector rod, 6-pressing plate, 7-clamping block, 8-support, 9-rib, 10-bolt hole, 11-opening, 12-screw and 13-top block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a sealing ring for pump, including rubber circle 1, plastic casing 2 has been cup jointed to the outer wall of rubber circle 1, plastic casing 2 is the donut shape, the equal fixed mounting in inner wall both sides of plastic casing 2 has lug 3, it has block rubber 4 to peg graft between lug 3 and the rubber circle 1, block rubber 4 is the donut shape, the fixed ejector pin 5 that is equipped with in top of block rubber 4, one side that ejector pin 5 is close to plastic casing 2 is fixed to be equipped with fixture block 7, the inner wall top of plastic casing 2 is equipped with bead 9, bead 9 and the mutual joint of fixture block 7.

After fixing rubber ring 1 on the pump body, install the pump body with 2 intercommunication rubber rings 1 of plastic casing together, insert block rubber 4 in plastic casing 2, promote ejector pin 5, ejector pin 5 promotes the inseparable laminating of block rubber 4 and lug 3, under the inclined plane effect of lug 3, block rubber 4 laminates on block rubber 1, fixture block 7 joint on the ejector pin 5 is to adjacent bead 9, fixture block 7 is spacing by bead 9, the bottom of bead 9 is protruding than the top, avoid fixture block 7 and bead 9 to separate, reach fixed effect, ejector pin 5 is fixed the back, block rubber 4 extrudees rubber ring 1, reach the purpose of exerting pressure to rubber ring 1, thereby sealed effect has been increased.

Specifically, bolt hole 10 has been seted up to the inner wall of lug 3, and opening 11 has all been seted up to the both sides of plastic casing 2, and opening 11 and bolt hole 10 are linked together, and the inner wall spiro union of bolt hole 10 has screw 12, and one side that screw 12 is close to rubber circle 1 is fixed to be equipped with kicking block 13, and kicking block 13 is the rubber material.

In order to strengthen clamping and limiting the rubber ring 1, a screwdriver is used for stretching into the opening 11, the screw 12 is rotated on the inner wall of the bolt hole 10, the screw 12 drives the ejector block 13 to rotate, the ejector block 13 which is rotated to be made of rubber is tightly attached to the rubber ring 1, and the effect of strengthening and fixing is achieved.

Specifically, the top end of the jack 5 is fixedly attached with a push plate 6.

The pressing plate 6 can increase the contact area when contacting with the push rod 5, thereby facilitating the pressing of the push rod 5.

Specifically, a support 8 is fixedly assembled at the joint of the fixture block 7 and the mandril 5, and the support 8 is triangular.

The support 8 can increase the connection area between the fixture block 7 and the ejector rod 5, thereby increasing the fixing effect and avoiding the fracture of the connection part of the fixture block 7 and the ejector rod 5.

Specifically, the side surface of the rubber ring 1 is provided with a groove.

The groove formed in the outer wall of the rubber ring 1 can be added with an outer wall rubber block 4.

Specifically, the bottom end diameter of the bump 3 is larger than the top end diameter.

The rubber block 4 moves along the inclined surface of the lug 3 in the moving process, so that the lug 3 pushes the rubber block 4 to be attached to the rubber ring 1.

The working principle is as follows: after fixing rubber ring 1 on the pump body, install the pump body together with 2 intercommunication rubber rings 1 of plastic casing, insert block rubber 4 in plastic casing 2, promote ejector pin 5, ejector pin 5 promotes block rubber 4 and 3 inseparable laminating of lug, under the inclined plane effect of lug 3, block rubber 4 laminates on block rubber 1, fixture block 7 joint on the ejector pin 5 is to adjacent bead 9, fixture block 7 is spacing by bead 9, reach fixed effect, ejector pin 5 is fixed the back, block rubber 4 extrudees rubber ring 1, reach the purpose of applying pressure to rubber ring 1, thereby sealed effect has been increased.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and setting are equipped with and all adopt prior art, and conventional model is including circuit connection adopts conventional connection mode among the prior art, and the detail is not repeated here.

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 (6)

1. The utility model provides a sealing ring for pump, includes rubber circle (1), its characterized in that: the outer wall of rubber ring (1) has cup jointed plastic housing (2), plastic housing (2) are the donut shape, the equal fixed assembly in inner wall both sides of plastic housing (2) has lug (3), it has block rubber (4) to peg graft between lug (3) and rubber ring (1), block rubber (4) are the donut shape, the fixed ejector pin (5) that is equipped with in top of block rubber (4), one side fixed assembly that ejector pin (5) are close to plastic housing (2) has fixture block (7), the inner wall top of plastic housing (2) is equipped with bead (9), bead (9) and fixture block (7) joint each other.

2. A seal ring for a pump according to claim 1, wherein: bolt hole (10) have been seted up to the inner wall of lug (3), opening (11) have all been seted up to the both sides of plastic casing (2), opening (11) and bolt hole (10) are linked together, the inner wall spiro union of bolt hole (10) has screw (12), one side fixed assembly that screw (12) are close to rubber circle (1) has kicking block (13), kicking block (13) are the rubber material.

3. A seal ring for a pump according to claim 1, wherein: the top end of the ejector rod (5) is fixedly provided with a pressing plate (6).

4. A seal ring for a pump according to claim 1, wherein: the connecting part of the clamping block (7) and the ejector rod (5) is fixedly provided with a support (8), and the support (8) is triangular.

5. A seal ring for a pump according to claim 1, wherein: the side surface of the rubber ring (1) is provided with a groove.

6. A seal ring for a pump according to claim 1, wherein: the bottom end diameter of the bump (3) is larger than the top end diameter.

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