CN215721022U

CN215721022U - Anti-deformation check valve for vacuum pump

Info

Publication number: CN215721022U
Application number: CN202122201446.9U
Authority: CN
Inventors: 黄烽; 任新民
Original assignee: Nantong Keruite Machinery Manufacturing Co ltd
Current assignee: Nantong Keruite Machinery Manufacturing Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-02-01
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses an anti-deformation check valve for a vacuum pump, which comprises a vacuum pump body and a check valve body, wherein the vacuum pump body is fixedly connected with an output pipeline, the check valve body is provided with a first limiting groove, the check valve body is fixedly connected with a connecting pipeline, the connecting pipeline is positioned in the first limiting groove, the vacuum pump body is provided with a second limiting groove, a sealing ring is arranged between the first limiting groove and the second limiting groove, the sealing ring is sleeved outside the connecting pipeline, and the connecting pipeline is in threaded connection with the output pipeline; through establish the sealing washer cover outside the connecting tube and the joint at first spacing groove and second spacing inslot portion, can accomplish quick installation, promote sealing performance and avoid the problem that the liquid seepage appears in the use.

Description

Anti-deformation check valve for vacuum pump

Technical Field

The utility model relates to the field of check valves, in particular to a check valve for an anti-deformation vacuum pump.

Background

The check valve is a valve with a circular valve clack and acts by self weight and medium pressure to block the medium from flowing backwards. It belongs to the automatic valve category, also called check valve, reflux valve or isolation valve.

But the current shape for vacuum pump check valve of preapring for an unfavorable turn of events leads to the problem that liquid seepage appears in hookup location department in the use because of lacking seal structure, and for this reason, we provide a shape for vacuum pump check valve of preapring for an unfavorable turn of events.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the check valve for the anti-deformation vacuum pump, which can solve the problem that liquid leaks at the connecting position in the use process due to the lack of a sealing structure of the existing check valve for the anti-deformation vacuum pump by arranging the sealing structure.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a shape check valve for vacuum pump of preapring for an unfavorable turn of events, includes vacuum pump body and check valve body, vacuum pump body fixedly connected with output pipeline, first spacing groove has been seted up to the check valve body, check valve body fixedly connected with connecting tube, and connecting tube are located first spacing inslot portion, the second spacing groove has been seted up to the vacuum pump body, first spacing groove with be provided with the sealing washer between the second spacing groove, and the sealing washer cover is established outside the connecting tube, the connecting tube with output pipeline screw links to each other.

As a preferred technical scheme of the utility model, the outer surface of the check valve body is provided with a group of anti-slip patterns.

As a preferable technical scheme of the utility model, the check valve body and the connecting pipeline are both coated with waterproof coatings.

As a preferable technical scheme of the utility model, the output pipeline and the connecting pipeline are in clearance fit.

As a preferable technical scheme of the utility model, the sealing ring and the connecting pipeline are in interference fit.

As a preferred technical solution of the present invention, the sealing ring is in interference fit with the first limiting groove and the second limiting groove.

As a preferable technical scheme of the utility model, the first limiting groove and the second limiting groove are both coated with sealant.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. the sealing ring sleeve is arranged outside the connecting pipeline connected in the first limiting groove until one end of the sealing ring is connected in place with the first limiting groove in a clamped mode, then the connecting pipeline is connected with the output pipeline in a threaded mode fixedly and continuously with the vacuum pump body until the other end of the sealing ring is connected in place with the second limiting groove in a clamped mode, at the moment, the sealing ring sleeve is arranged outside the connecting pipeline in a sleeved mode and is connected in the first limiting groove and the second limiting groove in a clamped mode, quick installation can be achieved, sealing performance is improved, and the problem of liquid leakage in the using process is avoided.

2. The hand slip is convenient for avoid operating personnel to rotate the check valve body when the antiskid decorative pattern of setting up a set of.

Drawings

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

FIG. 2 is a schematic front cross-sectional view of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2 at A according to the present invention;

fig. 4 is a perspective view of the check valve body according to the present invention.

Wherein: 1. a vacuum pump body; 2. an output pipe; 3. a check valve body; 4. anti-skid patterns; 5. a first limit groove; 6. connecting a pipeline; 7. a second limit groove; 8. and (5) sealing rings.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-4, the utility model provides a non-return valve for an anti-deformation vacuum pump, which comprises a vacuum pump body 1 and a non-return valve body 3, wherein the vacuum pump body 1 is fixedly connected with an output pipeline 2, the non-return valve body 3 is provided with a first limiting groove 5, the non-return valve body 3 is fixedly connected with a connecting pipeline 6, the connecting pipeline 6 is positioned inside the first limiting groove 5, the vacuum pump body 1 is provided with a second limiting groove 7, a sealing ring 8 is arranged between the first limiting groove 5 and the second limiting groove 7, the sealing ring 8 is sleeved outside the connecting pipeline 6, and the connecting pipeline 6 is in threaded connection with the output pipeline 2;

an operator sleeves a sealing ring 8 outside a connecting pipeline 6 connected in a first limiting groove 5, until one end of the sealing ring 8 is in place in the clamping connection with the first limiting groove 5, then the connecting pipeline 6 is in threaded connection with an output pipeline 2 fixedly connected with a vacuum pump body 1, until the other end of the sealing ring 8 is in place in the clamping connection with a second limiting groove 7, at the moment, the sealing ring 8 is sleeved outside the connecting pipeline 6 and clamped inside the first limiting groove 5 and the second limiting groove 7, quick installation can be completed, sealing performance is improved, and the problem of liquid leakage in the using process is avoided.

In other embodiments, the outer surface of the check valve body 3 is provided with a group of anti-slip patterns 4;

hand slip when being convenient for avoid operating personnel to rotate check valve body 3 through setting up a set of anti-skidding decorative pattern 4.

In other embodiments, the check valve body 3 and the connecting pipe 6 are both coated with a waterproof coating;

waterproof coatings are coated on the check valve body 3 and the connecting pipeline 6, so that the waterproof performance of the check valve body and the connecting pipeline is improved.

In other embodiments, the output pipeline 2 and the connecting pipeline 6 are in clearance fit;

the clearance fit is set to avoid the blocking condition when the rotary connecting pipeline 6 is in threaded connection with the output pipeline 2.

In other embodiments, the sealing ring 8 and the connecting pipe 6 are in interference fit;

the interference fit is arranged to facilitate the connection between the sealing ring 8 and the connecting pipeline 6 to be tighter.

In other embodiments, the sealing ring 8 is in interference fit with the first limiting groove 5 and the second limiting groove 7;

the sealing ring 8 is convenient to connect with the first limiting groove 5 and the second limiting groove 7 more tightly through interference fit.

In other embodiments, the first limiting groove 5 and the second limiting groove 7 are both coated with sealant;

the sealant has certain cohesiveness, so that the sealing ring 8 is tightly connected with the first limiting groove 5 and the second limiting groove 7, and the sealing performance of the sealing ring 8 is better improved.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a shape check valve for vacuum pump of preapring for an unfavorable turn of events, includes vacuum pump body (1) and check valve body (3), its characterized in that: vacuum pump body (1) fixedly connected with output pipeline (2), first spacing groove (5) have been seted up in check valve body (3), check valve body (3) fixedly connected with connecting tube (6), and connecting tube (6) are located inside first spacing groove (5), second spacing groove (7) have been seted up in vacuum pump body (1), first spacing groove (5) with be provided with sealing washer (8) between second spacing groove (7), and sealing washer (8) cover is established at connecting tube (6) outsidely, connecting tube (6) with output pipeline (2) screw thread links to each other.

2. The check valve for the deformation preventing vacuum pump according to claim 1, wherein: a group of anti-skid patterns (4) are arranged on the outer surface of the check valve body (3).

3. The check valve for the deformation preventing vacuum pump according to claim 1, wherein: and the check valve body (3) and the connecting pipeline (6) are coated with waterproof coatings.

4. The check valve for the deformation preventing vacuum pump according to claim 1, wherein: the output pipeline (2) is in clearance fit with the connecting pipeline (6).

5. The check valve for the deformation preventing vacuum pump according to claim 1, wherein: the sealing ring (8) and the connecting pipeline (6) are in interference fit.

6. The check valve for the deformation preventing vacuum pump according to claim 1, wherein: the sealing ring (8) is in interference fit with the first limiting groove (5) and the second limiting groove (7).

7. The check valve for the deformation preventing vacuum pump according to claim 1, wherein: and sealing glue is brushed inside the first limiting groove (5) and the second limiting groove (7).