CN219606105U - Explosion-proof type sanitary-grade valve assembly - Google Patents

Abstract

The utility model discloses an explosion-proof sanitary valve assembly, which relates to the technical field of valves, and comprises an explosion-proof valve body, a valve rod and an O-shaped ball core arranged below the valve rod, wherein a clamping block is arranged at the end part of the valve rod, which is inserted into the explosion-proof valve body, a pressing sleeve is connected to the end part of the clamping block, which is far away from the explosion-proof valve body, through threads, a sealing gasket is arranged between the pressing sleeve and the clamping block, a clamping groove for the clamping block to be inserted is formed in the O-shaped ball core, the O-shaped ball core is contacted with the explosion-proof valve body through a wear-resistant assembly, the wear-resistant assembly comprises a contact sleeve and an air duct arranged on the contact sleeve, an air cavity is formed in the contact sleeve, and the air cavity is communicated with the air duct. The utility model can improve the contact tightness of the O-shaped ball core and the explosion-proof valve body through the elasticity of the contact sleeve, thereby guaranteeing the use effect of the sanitary valve; the air cavity can be inflated, the continuous use effect of the pneumatic explosion-proof ball valve is further guaranteed, and the use safety of the sanitary valve is not affected.

Description

Explosion-proof type sanitary-grade valve assembly

Technical Field

The utility model relates to the technical field of valves, in particular to an explosion-proof sanitary valve assembly.

Background

The sanitary valve is a valve pipe fitting used in places with high requirements on sanitary level in the industries of pharmacy, food and the like. Generally, a pharmaceutical factory or a food factory is purchased for maintenance and configuration of related equipment, and a purchaser is basically a pharmaceutical, a food equipment system integrator, a wholesale purchase, and the like. Pneumatic ball valves, also known as sanitary valves. Because the ball body is used as a baffle to control the circulation in the pipeline, the surface of the ball body is smooth, gaps are often formed between the ball body and the pipeline during use, so that water sources in the pipeline leak, accidents such as explosion and the like can be caused during industrial use, and the safety and the practicability of the pneumatic valve are reduced; moreover, the existing ball valve often causes the rusting of the ball body in the pipeline, and the ball body can generate the rusting phenomenon after long-term use in the pipeline due to the fact that the ball body cannot contact with air in the pipeline and is in a perennial wet state in the pipeline, so that the ball body rusts to influence the use, and the ball valve is blocked during the use, so that the use feeling of the ball valve is reduced.

According to the explosion-proof sanitary-grade pneumatic threaded three-way valve ball valve disclosed in the patent publication No. CN202121239851.3, lubricating oil is injected into the oil hole at the upper end of the rotating shaft through the arrangement of the oil hole in the ball body, and flows out of the ball body, so that the ball body has a lubricating effect during rotation, the ball body rotates more flexibly, the ball body is prevented from rusting, and the maintenance problem of the ball body is enhanced. However, the technical scheme still has the defects, and the technical scheme is as follows: the ball body is lubricated by adopting an oil filling hole for filling oil, so that on one hand, the safety of the liquid flowing through the valve body is easily influenced; on the other hand, the oil can not be poured in time, and the lubrication effect of the ball body is difficult to guarantee. To this end, we propose an explosion-proof sanitary valve assembly to solve the above mentioned problems.

Disclosure of Invention

The utility model aims to provide an explosion-proof sanitary valve assembly, which solves the problems that in the prior art, the ball of a ball valve is lubricated in an oil filling hole, so that the ball is lubricated, and on one hand, the safety of liquid flowing through a valve body is easily influenced; on the other hand, the oil can not be poured in time, and the lubrication effect of the ball is difficult to guarantee.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an explosion-proof sanitary-grade valve subassembly, includes explosion-proof valve body, valve rod and locates the O shape ball core of valve rod below, the tip that the valve rod inserted the explosion-proof valve body is equipped with the joint piece, the spliced eye has been seted up to joint piece upper end be the annular, the tip that the explosion-proof valve body was kept away from to the joint piece has the pressure cover through threaded connection, be equipped with sealed the pad between pressure cover and the joint piece, set up the joint groove that is used for the joint piece grafting on the O shape ball core, contact through wear-resisting subassembly between O shape ball core and the explosion-proof valve body, wear-resisting subassembly includes the contact cover and locates the air duct on the contact cover, the air cavity has been seted up to the contact cover inside, air cavity and the inside intercommunication of air duct.

Preferably, the contact sleeves are symmetrically arranged left and right, and the contact sleeves are symmetrically glued on the O-shaped ball core.

Preferably, the contact sleeve is in contact with the O-shaped ball core and the contact sleeve is glued to the O-shaped ball core.

Preferably, the air duct passes through the inserting holes on the clamping blocks, and the inserting holes correspond to the upper and lower positions of the air duct.

Preferably, the air duct is arranged on the sealing pad, and the air duct is in contact with the sealing pad.

Preferably, the upper end of the clamping block is provided with a groove for clamping the pressing sleeve, and the clamping block is collinear with the center of the pressing sleeve.

Preferably, the upper end part of the air duct is connected with a plug in a threaded manner.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the explosion type sanitary valve assembly, the contact sleeve is symmetrically arranged on the outer side of the O-shaped ball core in a gluing mode, on one hand, in the use process of the pneumatic sanitary ball valve, the contact tightness of the O-shaped ball core and the explosion-proof valve body can be improved through the elasticity of the contact sleeve, and the use effect of the sanitary valve is guaranteed; on the other hand, through the setting of contact cover, in the contact cover use, produce wearing and tearing after, can aerify its inside through the air duct for the contact cover can contact with the explosion-proof valve body again, has further ensured pneumatic explosion-proof ball valve's continuous result of use, is worth using widely, and this kind of wear-resisting subassembly, can not lead to the fact the influence to the safety in utilization of sanitary-grade valve.

Drawings

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

FIG. 2 is an exploded view of the clamping block, gasket and pressure jacket of the present utility model;

FIG. 3 is an exploded view of the snap-on block and O-shaped core of the present utility model;

fig. 4 is a cross-sectional view of the wear assembly of the present utility model.

In the figure: 1. an explosion-proof valve body; 11. a valve stem; 12. an O-shaped ball core; 13. a clamping block; 14. a plug hole; 15. a clamping groove; 16. pressing the sleeve; 17. a sealing gasket; 2. a wear assembly; 21. a contact sleeve; 22. an air cavity; 23. and an air duct.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-4, the present utility model provides a technical solution: the utility model relates to an explosion-proof sanitary valve assembly, which mainly aims at the existing ball lubrication of a ball valve, adopts an oil filling hole oil filling mode to lubricate the ball, and on one hand, the safety of liquid flowing through a valve body is easily influenced; on the other hand, the oil can not be poured in time, and the problem that the lubricating effect of the ball is difficult to guarantee is improved. The specific scheme is as follows: the anti-explosion valve comprises an anti-explosion valve body 1, a valve rod 11 and an O-shaped ball core 12 arranged below the valve rod 11, wherein the anti-explosion valve body 1 is a pneumatic anti-explosion valve body. The valve seat adopts a sealing ring made of polytetrafluoroethylene and other materials, and is easy to seal, so that an excellent explosion-proof effect can be achieved.

Referring to fig. 1-2, a clamping block 13 is arranged at the end of the valve rod 11 inserted into the explosion-proof valve body 1, and the upper end of the clamping block 13 is provided with 2 plugging holes 14 in a ring shape. The end of the clamping block 13 far away from the explosion-proof valve body 1 is connected with a pressing sleeve 16 through threads, wherein the pressing sleeve 16 and the valve rod 11 are fixedly installed. A sealing gasket 17 is arranged between the pressing sleeve 16 and the clamping block 13, and the sealing gasket 17 can increase the contact tightness of the clamping block 13 of the pressing sleeve 16. The O-shaped ball core 12 is provided with a clamping groove 15 for the insertion of the clamping block 13, the upper end part of the clamping block 13 is provided with a groove for the clamping of the pressing sleeve 16, and the clamping block 13 is collinear with the center of the pressing sleeve 16. Through setting up O shape ball core 12 joint on joint piece 13, when valve rod 11 drove joint piece 13 and rotated, can make O shape ball core 12 follow it and produce same rotation to can realize the regulation and the control of the fluid in the pipeline.

Referring to fig. 3 and 4, the contact between the O-shaped ball core 12 and the explosion-proof valve body 1 is performed through the wear-resistant component 2, the wear-resistant component 2 comprises a contact sleeve 21 and an air duct 23 arranged on the contact sleeve 21, the contact sleeve 21 is symmetrically arranged left and right, and the symmetrical contact sleeves 21 are glued on the O-shaped ball core 12. The contact sleeve 21 is in contact with the O-shaped core 12, and the contact sleeve 21 is glued to the O-shaped core 12. The contact sleeve 21 is internally provided with an air cavity 22, and the air cavity 22 is communicated with the inside of the air duct 23. The air duct 23 passes through the inserting hole 14 on the clamping block 13, and the inserting hole 14 corresponds to the upper and lower positions of the air duct 23. The air duct 23 is provided in the gasket 17, and the air duct 23 is in contact with the gasket 17. The upper end of the air duct 23 is connected with a plug through screw threads. In the initial state, the sealing gasket 17 and the blockage can be separated from compressing and sealing the air duct 23 by separating the pressing sleeve 16 and the clamping block 13, and then air is introduced into the air cavity 22 through the air duct 23, after the contact sleeve 21 is worn in the use process, the air can be inflated through the air duct 23, so that the contact sleeve 21 can be contacted with the explosion-proof valve body 1 again, and the use effect of the pneumatic explosion-proof ball valve is ensured; the contact sleeve 21 is made of flexible rubber, and in the use process, the rebound effect can further improve the use tightness of the ball valve.

The explosion type sanitary valve assembly is characterized in that when in operation: the valve rod 11 is driven by an air source, the O-shaped ball core 12 can be controlled to be turned 0-90 degrees to open and close by small turning moment, and a valve positioner can be assembled according to working condition requirements, so that the opening of the ball valve core is controlled to regulate the medium flow; the O-shaped ball 12 rotates about the centerline of the valve stem 11 to achieve opening. When the ball center rotates to 90 degrees, the valve is in a closed state, and when the actuator works, the valve can be tightly closed only by a small rotation moment, so that the effect of rapidly cutting off the circulation of liquid can be achieved; the contact sleeve 21 is arranged at the outer side of the O-shaped ball core 12 in a gluing way, and the contact tightness between the O-shaped ball core 12 and the explosion-proof valve body 1 can be improved through the elasticity of the contact sleeve during the rotation of the O-shaped ball core 12; and in the use of contact sleeve 21, after wearing and tearing, can aerify its inside through air duct 23 for contact sleeve 21 can contact with explosion-proof valve body 1 again, has ensured the result of use of pneumatic explosion-proof ball valve.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an explosion-proof sanitary-grade valve subassembly, includes explosion-proof valve body (1), valve rod (11) and locates O shape ball core (12) of valve rod (11) below, its characterized in that: the end part of the valve rod (11) inserted into the explosion-proof valve body (1) is provided with a clamping block (13), the upper end part of the clamping block (13) is provided with an annular inserting hole (14), the end part of the clamping block (13) far away from the explosion-proof valve body (1) is provided with a pressing sleeve (16) through threaded connection, a sealing gasket (17) is arranged between the pressing sleeve (16) and the clamping block (13), the O-shaped ball core (12) is provided with a clamping groove (15) for inserting the clamping block (13), the O-shaped ball core (12) is contacted with the explosion-proof valve body (1) through a wear-resisting component (2), the wear-resisting component (2) comprises a contact sleeve (21) and an air duct (23) arranged on the contact sleeve (21), and an air cavity (22) is formed in the contact sleeve (21), and the air cavity (22) is communicated with the air duct (23).

2. An explosion proof sanitary valve assembly as set forth in claim 1, wherein: the contact sleeves (21) are symmetrically arranged left and right, and the contact sleeves (21) are symmetrically glued on the O-shaped ball core (12).

3. An explosion proof sanitary valve assembly as set forth in claim 1, wherein: the contact sleeve (21) is in contact with the O-shaped ball core (12), and the contact sleeve (21) is glued with the O-shaped ball core (12).

4. An explosion proof sanitary valve assembly as set forth in claim 1, wherein: the air duct (23) passes through the inserting holes (14) on the clamping block (13), and the inserting holes (14) correspond to the upper and lower positions of the air duct (23).

5. An explosion proof sanitary valve assembly as set forth in claim 1, wherein: the air duct (23) is arranged on the sealing pad (17), and the air duct (23) is contacted with the sealing pad (17).

6. An explosion proof sanitary valve assembly as set forth in claim 1, wherein: the upper end of the clamping block (13) is provided with a groove for clamping the pressing sleeve (16), and the clamping block (13) is collinear with the center of the pressing sleeve (16).

7. An explosion proof sanitary valve assembly as set forth in claim 1, wherein: the upper end part of the air duct (23) is connected with a plug in a threaded manner.