CN217898256U

CN217898256U - Sealing assembly for slurry pump

Info

Publication number: CN217898256U
Application number: CN202222426804.0U
Authority: CN
Inventors: 赵伯茹; 尚钢; 赵洁
Original assignee: Chengde Xinpeng Industry And Trade Co ltd
Current assignee: Chengde Xinpeng Industry And Trade Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-11-25
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a seal assembly for sediment stuff pump relates to mechanical technical field. The sealing structure comprises sealing bodies, a first elastic part, a second elastic part and a sealing sleeve, wherein the two sealing bodies are arranged at intervals oppositely, grooves are formed in the circumferential direction of the sealing bodies, through holes are formed in the end faces of the sealing bodies, two ends of each through hole extend outwards, a folding edge is formed in the circumferential direction of the sealing bodies, and a plurality of first internal thread holes are formed in the folding edge; a plurality of first elastic pieces are connected between the two sealing main bodies, and each first elastic piece is arranged along the circumferential direction of the sealing main body; the second elastic piece is fixed in the groove; the two ends of the sealing sleeve are respectively fixedly connected with the sealing main body, the two ends of the sealing sleeve are provided with openings, the through holes are arranged in the area surrounded by the openings, the peripheral side wall of the sealing sleeve is of a corrugated structure, and the corrugated structure is arranged along the height direction of the sealing sleeve; thereby the not good problem of leakproofness of sediment stuff pump seal assembly among the prior art has been solved.

Description

Sealing assembly for slurry pump

Technical Field

The utility model relates to the technical field of machinery, more specifically says, relates to a seal assembly for sediment stuff pump.

Background

The slurry pump belongs to a centrifugal pump in terms of working principle, and conceptually refers to a device which converts electric energy into kinetic energy and potential energy of a medium by a machine which increases the energy of a solid-liquid mixed medium under the action of centrifugal force. The method is mainly suitable for the industries of mines, power plants, dredging, metallurgy, chemical industry, building materials, petroleum and the like.

At present, with the high-speed development of economy, production efficiency of all related enterprises is greatly improved; in order to ensure the stability of the slurry pump in the working process, the requirement of enterprises on the sealing performance of the slurry pump is higher and higher. But current sediment stuff pump seal assembly, the leakproofness still remains to be improved, if take place to leak, in water can permeate into other equipment gradually, can influence equipment normal work, has brought certain adverse effect for the enterprise.

Therefore, how to solve the problem of poor sealing performance of the sealing assembly of the slurry pump in the prior art becomes an important technical problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a not good technical problem of leakproofness of a sealing component for sediment stuff pump in order to solve prior art sediment stuff pump sealing component. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a seal assembly for sediment stuff pump, include:

the sealing device comprises sealing bodies, a rotating shaft and a plurality of bolts, wherein the two sealing bodies are oppositely arranged at intervals, grooves are formed along the circumferential direction of the sealing bodies, through holes for the rotating shaft to penetrate through are formed in the end faces of the sealing bodies, two ends of each through hole extend outwards, folded edges are formed along the circumferential direction of the sealing bodies, and a plurality of first internal thread holes matched with the bolts are uniformly arranged along the circumferential direction of the folded edges at intervals;

a plurality of first elastic pieces are connected between the two sealing main bodies, and each first elastic piece is arranged along the circumferential direction of the sealing main body;

the second elastic piece is fixed in the groove;

the sealing sleeve, the both ends of sealing sleeve respectively with sealing body fixed connection, the sealing sleeve has the opening for both ends, is enclosed construction around, and the through-hole sets up in the region that the opening surrounds, the all around lateral wall of sealing sleeve is the ripple column structure, and the ripple column structure along the direction of height of sealing sleeve sets up.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

And the plastic ring is fixedly attached to the folded edge, and a plurality of second internal thread holes which are in one-to-one correspondence with the first internal thread holes are formed in the plastic ring.

Furthermore, the sealing main body and the sealing sleeve are of an integrated structure.

Furthermore, the sealing main body is made of rubber.

Further, the first elastic member is a compression spring.

Further, the second elastic member is a spring ring.

The technical scheme provided by the application comprises the following beneficial effects:

the utility model provides a technical scheme, a seal assembly for sediment stuff pump, including sealed main part, first elastic component, second elastic component and seal cover, two sealed main parts are set up at relative interval, are provided with the recess along the circumference of sealed main part, and the terminal surface of sealed main part is provided with the through-hole that is used for supplying the pivot to run through to the both ends of through-hole all extend outwards, are provided with the hem along the circumference of sealed main part, and are provided with a plurality of first internal thread holes that are used for cooperating with the bolt along the even interval of circumference of hem; a plurality of first elastic pieces are connected between the two sealing main bodies, and each first elastic piece is arranged along the circumferential direction of the sealing main body; the second elastic piece is fixed in the groove; the both ends of seal cover respectively with sealed main part fixed connection, the seal cover has the opening for both ends, is enclosed construction around to the through-hole sets up in the region that the opening surrounded, and the week lateral wall of seal cover is ripple structure, and the ripple structure sets up along the direction of height of seal cover. So set up, run through two sealed main parts with the pivot through the through-hole in proper order to sealed main part and pivot interference fit. Then enabling the two sealing main bodies to approach each other and attach, sequentially penetrating through the first internal threaded holes in the two sealing main bodies by using bolts, and enabling the two sealing main bodies to be fixedly connected; after the two sealing main bodies are fixedly connected, each first elastic piece is extruded by the two sealing main bodies to deform, the first elastic pieces exert reverse elastic force on the sealing main bodies at the two ends while deforming, and the elastic force is transmitted to the bolt through the sealing main bodies, so that the bolt and the sealing main bodies are always in a stressed state, and the bolt can be effectively prevented from being loosened; after the two sealing bodies are fixed, the peripheral side walls of the sealing sleeves are in corrugated structures, the sealing sleeves can also deform, and the deformed sealing sleeves extrude the outer side wall of the rotating shaft, so that the sealing effect is further improved; the second elastic piece can enhance the integral supporting strength of the sealing main body and can improve the sealing property between the sealing main body and the fixed seat; thereby the not good problem of leakproofness of sediment stuff pump seal assembly among the prior art has been solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is an overall schematic structural diagram of a seal assembly for a slurry pump according to an embodiment of the present invention.

Reference numerals:

1. a sealing body; 2. a groove; 3. a through hole; 4. folding edges; 5. a first internally threaded bore; 6. a first elastic member; 7. a second elastic member; 8. sealing sleeves; 9. a plastic ring; 10. a second internally threaded bore.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is an object of this particular embodiment to provide a seal assembly for a slurry pump; thereby the not good problem of leakproofness of sediment stuff pump seal assembly among the prior art has been solved.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1, the embodiment provides a seal assembly for a slurry pump, which includes a seal main body 1, a first elastic member 6, a second elastic member 7 and a seal sleeve 8, wherein the two seal main bodies 1 are arranged at an interval, a groove 2 is arranged along the circumferential direction of the seal main body 1, a through hole 3 for a rotating shaft to penetrate through is arranged on the end surface of the seal main body 1, two ends of the through hole 3 extend outwards, a folded edge 4 is arranged along the circumferential direction of the seal main body 1, and a plurality of first internal thread holes 5 for being matched with bolts are uniformly arranged at intervals along the circumferential direction of the folded edge 4; a plurality of first elastic members 6 are connected between the two seal bodies 1, and each first elastic member 6 is arranged along the circumferential direction of the seal body 1; the second elastic piece 7 is fixed in the groove 2; the both ends of seal cover 8 respectively with sealed main part 1 fixed connection, seal cover 8 for both ends have the opening, be enclosed construction around to through-hole 3 sets up in the region that the opening surrounds, the peripherial lateral wall of seal cover 8 is the ripple structure, and the ripple structure sets up along the direction of height of seal cover 8.

So set up, pass through two sealed main parts 1 with the pivot in proper order through-hole 3 to sealed main part 1 and pivot interference fit. Then enabling the two sealing main bodies 1 to approach each other and attach, sequentially penetrating the first internal thread holes 5 on the two sealing main bodies 1 through bolts, and enabling the two sealing main bodies 1 to be fixedly connected; after the two sealing main bodies 1 are fixedly connected, each first elastic piece 6 is extruded by the two sealing main bodies 1 to deform, the first elastic pieces 6 deform and apply reverse elastic force to the sealing main bodies 1 at the two ends, and the elastic force is transmitted to the bolt through the sealing main bodies 1, so that the bolt and the sealing main bodies 1 are always in a stressed state, and the bolt can be effectively prevented from being loosened; after the two sealing bodies 1 are fixed, the peripheral side walls of the sealing sleeves 8 are in a corrugated structure, so that the sealing sleeves 8 can also deform, and the deformed sealing sleeves 8 extrude the outer side wall of the rotating shaft, so that the sealing effect is further improved; the second elastic piece 7 can enhance the overall supporting strength of the sealing main body 1 and can improve the sealing property between the sealing main body 1 and the fixed seat; thereby the not good problem of leakproofness of sediment stuff pump seal assembly among the prior art has been solved.

As an alternative embodiment, a plastic ring 9 fixedly attached to the hem 4 is further included, and a plurality of second internal threaded holes 10 for one-to-one correspondence with the respective first internal threaded holes 5 are provided on the plastic ring 9. So set up, the intensity and the hardness of plastic ring 9 are better than in rubber, are difficult to wear and tear when fixing with the bolt, the life of the sealed main part of effectual extension.

More specifically, in the present embodiment, the sealing body 1 and the sealing sleeve 8 are preferably formed in an injection-molded integral structure.

As an alternative embodiment, the material of the sealing body 1 may be set according to a specific use environment, and in the present embodiment, the material of the sealing body 1 is preferably rubber.

As an alternative, the first elastic member 6 is preferably a compression spring in this embodiment.

As an alternative embodiment, the second elastic member 7 is preferably a spring ring in this embodiment.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description of the present invention, and 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, are not to be construed as limiting the present invention.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A seal assembly for a slurry pump, comprising:

the second elastic piece is fixed in the groove;

the sealing sleeve, the both ends of sealing sleeve respectively with sealing body fixed connection, the sealing sleeve has the opening for both ends, is enclosed construction around, and the through-hole sets up in the region that the opening surrounds, the week lateral wall of sealing sleeve is the ripple structure, and the ripple structure along the direction of height of sealing sleeve sets up.

2. The seal assembly for slurry pumps as recited in claim 1, further comprising a plastic ring fixedly attached to the flange, and wherein the plastic ring has a plurality of second internally threaded holes disposed therein for one-to-one correspondence with each of the first internally threaded holes.

3. The seal assembly for a slurry pump according to claim 1, wherein the seal body and the sealing boot are of a unitary construction.

4. The seal assembly for slurry pumps of claim 1 wherein the seal body is rubber.

5. The seal assembly for slurry pumps of claim 1 wherein the first resilient member is a compression spring.

6. The seal assembly for slurry pumps of claim 1 wherein the secondary resilient member is a spring ring.