CN219081893U

CN219081893U - Water injection sealing cover of centrifugal pump

Info

Publication number: CN219081893U
Application number: CN202223252892.3U
Authority: CN
Inventors: 林燕; 祖国华; 麻曰升
Original assignee: Qingdao Ruishun Taihe Pump Co ltd
Current assignee: Qingdao Ruishun Taihe Pump Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-05-26
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a water injection sealing cover of a centrifugal pump, which comprises a cylinder body, a cover body and a through hole, wherein the through hole is formed in the cylinder body, fixed seats are arranged on two sides of the cylinder body, the screw hole is formed in the fixed seat, a bolt is connected with the screw hole in a threaded manner, the fixed hole is formed in the cover body, and a guide hole is formed in the bottom end of the fixed hole. The cover body is conveniently mounted on the centrifugal pump through the fixing structure, the cover body is required to be mounted when the centrifugal pump is used, the guide hole is aligned to the position of the fixing seat, the fixing seat and the centrifugal pump are integrated in a welding mode, the guide hole is sleeved outside the fixing seat, the bolt penetrates through the fixing hole, the bolt is screwed into the screw hole, the cover body and the fixing seat can be fixed, the cover body can be mounted on the centrifugal pump, and the cover body is conveniently mounted on the centrifugal pump.

Description

Water injection sealing cover of centrifugal pump

Technical Field

The utility model relates to the technical field of centrifugal pumps, in particular to a water injection sealing cover of a centrifugal pump.

Background

The centrifugal pump is a pump for conveying liquid by the centrifugal force generated when the impeller rotates, and the water injection sealing cover can be used when the centrifugal pump is used and can seal a rotating shaft opening of the centrifugal pump, so that leakage is prevented in the using process, and the centrifugal pump is prevented from being damaged.

Chinese patent grant publication No. CN 102478013A, publication day 2012, 05 and 30, discloses a centrifugal pump packing gland, which is provided with a packing gland, the packing gland is composed of an upper semi-annular gland and a lower semi-annular gland, the left and right sides of the upper semi-annular gland and the lower semi-annular gland are respectively provided with a connecting seat, the connecting seats are provided with fastening screws, the fastening screws fasten the upper semi-annular gland and the lower semi-annular gland into a whole, and the connecting seats are provided with compacting holes. The packing gland can be divided into an upper semi-annular gland and a lower semi-annular gland, and is convenient to operate, time-saving and labor-saving, and has a wide market prospect no matter when the pump is assembled or the packing is replaced on the working site.

The prior art solutions described above have the following drawbacks: when the centrifugal pump is used, the sealing cover is required to be installed on the centrifugal pump, but the installation is troublesome, alignment is required during installation, the installation hole site is complex to operate.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide a water injection sealing cover of a centrifugal pump, which is used for solving the defects that the existing water injection sealing cover of the centrifugal pump needs to be installed on the centrifugal pump when in use, but the installation is troublesome, the alignment is needed when in installation, the installation hole positions are needed, and the operation is complex.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a centrifugal pump water injection gland, includes barrel, lid and through-hole, the inside of barrel is provided with the through-hole, the both sides of barrel all are provided with the fixing base, the top of barrel is fixed with the lid, the top of lid is provided with rust-resistant structure, the inside of lid is provided with fixed knot constructs, fixed knot constructs including bolt, fixed orifices, guiding hole and screw, the screw sets up in the inside of fixing base, the inside threaded connection of screw has the bolt, the fixed orifices sets up in the inside of lid, the bottom of fixed orifices is provided with the guiding hole.

Preferably, two fixing holes are formed, and the fixing holes are symmetrically distributed in the cover body.

Preferably, two bolts are arranged, and the bolts are symmetrically distributed on two sides of the cover body.

Preferably, two fixing seats are arranged, and the fixing seats are symmetrically distributed in the cylinder body.

Preferably, the rust-proof structure comprises a coating film, a rust-proof coating layer and a primer, wherein the primer is arranged at the top end of the cover body, the rust-proof coating layer is arranged at the top end of the primer, and the coating film is arranged at the top end of the rust-proof coating layer.

Preferably, the thickness of the coating is less than the thickness of the rust-preventing coating, which is greater than the thickness of the primer.

Preferably, the thickness of the coating is greater than the thickness of the primer, and the thickness of the primer is less than the thickness of the cover.

(III) beneficial effects

The water injection sealing cover of the centrifugal pump has the advantages that: the cover body can be conveniently mounted on the centrifugal pump through the fixing structure, the cover body is required to be mounted when the centrifugal pump is used, the guide hole is aligned to the position of the fixing seat, the fixing seat and the centrifugal pump are integrated in a welding mode, the guide hole is sleeved outside the fixing seat, then a bolt penetrates through the inside of the fixing hole, the bolt is screwed into the screw hole, the cover body and the fixing seat can be fixed, the cover body can be mounted on the centrifugal pump, and the cover body can be conveniently mounted on the centrifugal pump;

can rust-resistant to the lid through being provided with rust-resistant structure, the lid can expose in the air at the use, and moisture and oxygen in the air can cause the corrosion of lid, and the primer is fixed the rust-resistant coating on the surface of lid this moment, and rust-resistant coating can keep apart between lid and the air, prevents that the lid from appearing the condition of corrosion, and rust-resistant coating outside tectorial membrane can slow down rust-resistant coating's loss, has realized rust-resistant to the lid.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic three-dimensional structure of the present utility model;

FIG. 3 is a schematic cross-sectional elevation view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is a schematic view of a three-dimensional partial structure of the rust inhibitive structure of the present utility model.

Reference numerals in the drawings illustrate:

1. a cylinder; 2. a fixing seat; 3. a cover body; 4. a fixed structure; 401. a bolt; 402. a fixing hole; 403. a guide hole; 404. a screw hole; 5. an anti-rust structure; 501. coating a film; 502. an anti-rust coating; 503. a primer; 6. and a through hole.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a centrifugal pump water injection gland, includes barrel 1, lid 3 and through-hole 6, and the inside of barrel 1 is provided with through-hole 6, and the both sides of barrel 1 all are provided with fixing base 2, and the top of barrel 1 is fixed with lid 3, and the top of lid 3 is provided with rust-resistant structure 5, and the inside of lid 3 is provided with fixed knot constructs 4, and fixing base 2 is provided with two, and fixing base 2 is the symmetric distribution at barrel 1, when using with gland install on the centrifugal pump can.

Embodiment one:

when the structure is used, firstly, the fixing structure 4 comprises bolts 401, fixing holes 402, guide holes 403 and screw holes 404, the screw holes 404 are formed in the fixing base 2, the bolts 401 are connected to the screw holes 404 in a threaded mode, the fixing holes 402 are formed in the cover body 3, the guide holes 403 are formed in the bottom ends of the fixing holes 402, two fixing holes 402 are formed in the cover body 3, the bolts 401 are formed in two, the bolts 401 are symmetrically distributed on two sides of the cover body 3, the cover body 3 is required to be installed in use, at the moment, the guide holes 403 are aligned with the positions of the fixing base 2, the fixing base 2 and the centrifugal pump are integrated in a welding mode, then the guide holes 403 are sleeved outside the fixing base 2, then the bolts 401 penetrate through the fixing holes 402, then the bolts 401 are screwed into the screw holes 404, the cover body 3 and the fixing base 2 can be fixed, and the cover body 3 can be installed on the centrifugal pump.

Embodiment two:

when the structure is used, firstly, the rust-proof structure 5 comprises a coating film 501, a rust-proof coating 502 and a primer 503, wherein the primer 503 is arranged at the top end of the cover body 3, the rust-proof coating 502 is arranged at the top end of the primer 503, the coating film 501 is smaller than the rust-proof coating 502, the rust-proof coating 502 is thicker than the primer 503, the coating film 501 is thicker than the primer 503, the primer 503 is thicker than the cover body 3, moisture and oxygen in air can possibly cause rust of the cover body 3, the primer 503 fixes the rust-proof coating 502 on the surface of the cover body 3, the rust-proof coating 502 can isolate the cover body 3 from the air, the rust of the cover body 3 is prevented, and the coating film 501 outside the rust-proof coating 502 can slow down the loss of the rust-proof coating 502.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a centrifugal pump water injection gland, includes barrel (1), lid (3) and through-hole (6), its characterized in that: the novel plastic bottle is characterized in that a through hole (6) is formed in the barrel (1), fixing seats (2) are formed in two sides of the barrel (1), and a cover body (3) is fixed at the top end of the barrel (1);

the anti-rust structure (5) is arranged at the top end of the cover body (3), the fixing structure (4) is arranged inside the cover body (3), the fixing structure (4) comprises a bolt (401), a fixing hole (402), a guide hole (403) and a screw hole (404), the screw hole (404) is arranged inside the fixing seat (2), the screw hole (404) is internally connected with the bolt (401) in a threaded manner, the fixing hole (402) is arranged inside the cover body (3), and the guide hole (403) is arranged at the bottom end of the fixing hole (402).

2. The centrifugal pump water injection seal cover according to claim 1, wherein: the two fixing holes (402) are formed, and the fixing holes (402) are symmetrically distributed in the cover body (3).

3. The centrifugal pump water injection seal cover according to claim 1, wherein: the two bolts (401) are arranged, and the bolts (401) are symmetrically distributed on two sides of the cover body (3).

4. The centrifugal pump water injection seal cover according to claim 1, wherein: the two fixing seats (2) are arranged, and the fixing seats (2) are symmetrically distributed on the cylinder body (1).

5. The centrifugal pump water injection seal cover according to claim 1, wherein: the rust-proof structure (5) comprises a coating film (501), a rust-proof coating layer (502) and a primer (503), wherein the primer (503) is arranged at the top end of the cover body (3), the rust-proof coating layer (502) is arranged at the top end of the primer (503), and the coating film (501) is arranged at the top end of the rust-proof coating layer (502).

6. The centrifugal pump water injection seal cover according to claim 5, wherein: the thickness of the coating film (501) is smaller than that of the rust-proof coating (502), and the thickness of the rust-proof coating (502) is larger than that of the primer (503).

7. The centrifugal pump water injection seal cover according to claim 5, wherein: the thickness of the coating film (501) is larger than that of the primer (503), and the thickness of the primer (503) is smaller than that of the cover body (3).

8. The centrifugal pump water injection seal cover according to claim 1, wherein: the cover body (3) and the cylinder body (1) are welded integrally.