CN210771395U

CN210771395U - Grease injection check valve

Info

Publication number: CN210771395U
Application number: CN201921542996.3U
Authority: CN
Inventors: 代永生
Original assignee: Chongqing Zongxing Machinery Co ltd
Current assignee: Chongqing Zongxing Machinery Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-16
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses an annotate fat single current valve, which comprises a valve body, inside intercommunication in proper order of valve body has been provided with notes fat hole, water conservancy diversion chamber and slip chamber, it is provided with the end cap to slide the inside slip of intracavity portion, the end cap is close to the tip in water conservancy diversion chamber is provided with sealed conical head, end cap outside symmetry is provided with two-sided cutting plane, the slip chamber is kept away from the open end in water conservancy diversion chamber is provided with the barrier ring, the barrier ring with be provided with compression spring between the end cap, be used for compressing tightly the end cap makes sealed conical head is right the water conservancy diversion chamber seals. Has the advantages that: through two cutting planes of symmetry cutting in the end cap outside, make the end cap become the platykurtic structure, can increase the space between end cap and the slip chamber, be convenient for the pressure release with annotate the fat, avoid long-time the use simultaneously to cause the jam, excellent in use effect.

Description

Grease injection check valve

Technical Field

The utility model relates to a single current valve technical field, concretely relates to annotate fat single current valve.

Background

A grease injection check valve is a device for injecting lubricating grease, which is applied to equipment such as large-scale machinery, petrochemical equipment, ball valves, flat gate valves, well head devices and the like. However, the plug of the current check valve is of a cylindrical structure, so that the grease injection space is small, grease is not easy to inject, and meanwhile, after the check valve is used for a long time, the check valve is easy to block and even cannot be used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an annotate fat single current valve just in order to solve above-mentioned problem to solve the end cap of present single current valve among the prior art and be the cylinder structure, annotate that the fat space is little, be difficult for annotating the fat, use the back for a long time simultaneously, cause the jam easily, can't use technical problem even. The utility model provides an among a great deal of technical scheme preferred technical scheme makes the end cap become the platykurtic structure through cutting two cutting planes at end cap outside symmetry, can increase the space between end cap and the slip chamber, is convenient for the pressure release and annotates the fat, avoids long-time the use to cause the jam simultaneously, and technological effects such as excellent in use effect see the explanation below for details.

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

the utility model provides a pair of annotate fat single current valve, which comprises a valve body, the valve body outside is provided with the connecting portion that have the external screw thread, is used for realizing being connected of valve body and equipment fixing hole, inside intercommunication in proper order of valve body has been provided with notes fat hole, water conservancy diversion chamber and slip chamber, the inside slip of slip chamber is provided with the end cap, the end cap is close to the tip in water conservancy diversion chamber is provided with sealed conical head, end cap outside symmetry is provided with two-sided cutting plane, the slip chamber is kept away from the open end in water conservancy diversion chamber is provided with the barrier ring, the barrier ring with be provided with compression spring between the end cap, be used for compressing tightly the end cap makes sealed conical head is right the water.

Adopt above-mentioned annotate fat single current valve, during the use, through the connecting portion will the valve body is installed inside the mounting hole of equipment, utilizes compression spring's elasticity promotes the end cap makes sealed conical head is right the water conservancy diversion chamber is sealed, through end cap outside symmetry processing sets up cutting plane makes the end cap is flat square structure, can increase the end cap with space between the slip chamber is convenient for the pressure release and annotates the fat, avoids long-time the use to cause the jam simultaneously, excellent in use effect.

Preferably, the connecting portion has an outer diameter larger than an outer diameter of the valve body.

Preferably, a sealing taper hole is formed in the joint of the diversion cavity and the sliding cavity, the large-diameter end of the sealing taper hole is connected with the sliding cavity, and the taper of the sealing taper hole is the same as that of the sealing taper head.

Preferably, the grease injection hole is an inner hexagonal hole.

Preferably, the end face, far away from the sealing conical head, of the plug is provided with a limiting groove for limiting the compression spring.

Preferably, the blocking ring is formed at the opening end of the sliding cavity in a riveting and pressing mode.

Has the advantages that: through two cutting planes of symmetry cutting in the end cap outside, make the end cap become the platykurtic structure, can increase the space between end cap and the slip chamber, be convenient for the pressure release with annotate the fat, avoid long-time the use simultaneously to cause the jam, excellent in use effect.

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 following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the valve body structure of the present invention;

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

fig. 4 is a right side view of the plug of the present invention.

The reference numerals are explained below:

1. a valve body; 101. a grease injection hole; 102. a flow guide cavity; 103. a connecting portion; 104. a sliding cavity; 105. sealing the taper hole; 2. a plug; 201. sealing the conical head; 202. cutting a plane; 203. a limiting groove; 3. a compression spring; 4. a stop ring.

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.

Referring to fig. 1-4, the utility model provides an annotate fat single current valve, including

valve body

1, 1 outside of valve body is provided with connecting portion 103 that has the external screw thread, be used for realizing being connected of valve body 1 and equipment fixing hole, 1 inside intercommunication of valve body has been provided with notes fat hole 101 in proper order, water conservancy diversion chamber 102 and slip chamber 104, it is provided with end cap 2 to slide the inside slip of chamber 104, the tip that end cap 2 is close to water conservancy diversion chamber 102 is provided with sealed

conical head

201, 2 outside symmetries of end cap are provided with two-sided cutting plane 202, the open end that water conservancy diversion chamber 102 was kept away from to slip chamber 104 is provided with barrier ring 4, be provided with pressure spring 3 between barrier ring 4 and the end cap 2, be used for compressing tightly end cap 2 makes.

As an alternative embodiment, the outer diameter of the connecting portion 103 is larger than the outer diameter of the valve body 1, so that the valve body 1 can be conveniently inserted into the mounting hole of the equipment, and the threaded connection between the valve body 1 and the mounting hole of the equipment can be conveniently realized through the connecting portion 103.

The sealing taper hole 105 is arranged at the joint of the diversion cavity 102 and the sliding cavity 104, the large-diameter end of the sealing taper hole 105 is connected with the sliding cavity 104, the taper of the sealing taper hole 105 is the same as that of the sealing taper head 201, and the sealing taper hole 105 is arranged in such a way, so that the sealing effect of the sealing taper head 201 on the diversion cavity 102 can be improved.

The grease injection hole 101 is an inner hexagonal hole, which is arranged to facilitate screwing the valve body 1 through the grease injection hole 101, thereby facilitating the installation of the valve body 1.

The end face, far away from the sealing conical head 201, of the plug 2 is provided with a limiting groove 203 for limiting the compression spring 3, so that the stability of the compression spring 3 can be guaranteed, and the compression effect of the compression spring 3 on the plug 2 is guaranteed.

The mode shaping that the barrier ring 4 adopted the fourth of the twelve earthly branches to press is at the open end of sliding chamber 104, sets up the fastness that can guarantee barrier ring 4 like this, guarantees the leakproofness between barrier ring 4 and the valve body 1 simultaneously.

Adopt above-mentioned structure, during the use, install inside the mounting hole of equipment valve body 1 through connecting portion 103, utilize pressure spring 3's elasticity to promote end cap 2, make sealed conical head 201 seal water conservancy diversion chamber 102, set up cutting plane 202 through symmetrical processing in the 2 outsides of end cap, make end cap 2 be flat square structure, can increase the space between end cap 2 and the slip chamber 104, be convenient for the pressure release with annotate the fat, avoid long-time use to cause the jam simultaneously, excellent in use effect.

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 annotate fat single current valve which characterized in that: comprises a valve body (1), a connecting part (103) with external threads is arranged on the outer side of the valve body (1), used for realizing the connection between the valve body (1) and the equipment mounting hole, the valve body (1) is internally communicated with a grease injection hole (101), a flow guide cavity (102) and a sliding cavity (104) in sequence, a plug (2) is arranged in the sliding cavity (104) in a sliding manner, a sealing conical head (201) is arranged at the end part of the plug (2) close to the diversion cavity (102), two cutting planes (202) are symmetrically arranged on the outer side of the plug (2), a stop ring (4) is arranged at the opening end of the sliding cavity (104) far away from the diversion cavity (102), a compression spring (3) is arranged between the stop ring (4) and the choke plug (2), the sealing cone head is used for pressing the choke plug (2) to enable the sealing cone head (201) to seal the diversion cavity (102).

2. The grease-injection check valve as claimed in claim 1, wherein: the outer diameter of the connecting part (103) is larger than that of the valve body (1).

3. The grease-injection check valve as claimed in claim 1, wherein: the connecting part of the flow guide cavity (102) and the sliding cavity (104) is provided with a sealing taper hole (105), the large-diameter end of the sealing taper hole (105) is connected with the sliding cavity (104), and the taper of the sealing taper hole (105) is the same as that of the sealing taper head (201).

4. The grease-injection check valve as claimed in claim 1, wherein: the grease injection hole (101) is an inner hexagonal hole.

5. The grease-injection check valve as claimed in claim 1, wherein: the end face, far away from the sealing conical head (201), of the plug (2) is provided with a limiting groove (203) used for limiting the compression spring (3).

6. The grease-injection check valve as claimed in claim 1, wherein: the blocking ring (4) is formed at the opening end of the sliding cavity (104) in a riveting and pressing mode.