CN210372220U

CN210372220U - Static sealing structure between valve and pipeline

Info

Publication number: CN210372220U
Application number: CN201921141566.0U
Authority: CN
Inventors: 任浩洁
Original assignee: Xuzhou Jinggong Seal Science & Technology Co ltd
Current assignee: Xuzhou Jinggong Seal Science & Technology Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-04-21
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a static seal structure between valve and pipeline relates to valve technical field, which comprises a valve body, the middle part fixed mounting of valve body has the valve installed part, threaded connection has the valve rod in the middle of the top of valve installed part, fixedly connected with hand wheel in the middle of the top of valve rod, set up flutedly in the middle of the top of valve body, be provided with the valve gap on the valve rod, the spacing boss of both sides top fixedly connected with of valve gap, be provided with the screw on the spacing boss, the right-hand member of valve body is provided with a threaded connection mouth. The utility model discloses a threaded connection screwed joint in one side of valve body sets up two-layer rubber seal structure among the screwed joint, and the effectual valve gear kneck of having avoided leaks, and one side threaded connection of valve body has the valve cap, and the inlet outlet of secondary seal valve body has improved the sealed quality of device, reaches good sealed effect.

Description

Static sealing structure between valve and pipeline

Technical Field

The utility model relates to the technical field of valves, in particular to static seal structure between valve and pipeline.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

The common connecting equipment of pipeline and valve simple structure, sealing performance is poor, appears the water clock easily, draws and takes off the phenomenon, and the valve is under the closed condition, still can appear the phenomenon of leaking, and it is troublesome to have led to the fact a lot of unnecessary, and a heavy seal of adoption does not reach good sealed effect, and there is shorter defect in the life-span of device yet, and the rotary switch at valve top does not set up seal structure, probably causes the valve top to leak.

Therefore, it is necessary to develop a static sealing structure between the valve and the pipeline to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a static seal structure between valve and the pipeline to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a static sealing structure between a valve and a pipeline comprises a valve body, wherein a valve mounting part is fixedly mounted in the middle of the valve body, a valve rod is connected with the middle of the top of the valve mounting part through threads, a hand wheel is fixedly connected with the middle of the top of the valve rod, a groove is formed in the middle of the top of the valve body, a valve cover is arranged on the valve rod, limiting bosses are fixedly connected with the tops of the two sides of the valve cover, screws are arranged on the limiting bosses, screw threads are arranged at the top and the bottom of the right side of the valve body, a first threaded connecting hole is formed in the right end of the valve body, a baffle is arranged at the left end of the first threaded connecting hole, a threaded connector is arranged on the right side of the valve body, a sealing ring is movably connected to the right side of the threaded connector, a convex ring is fixedly, a second threaded connection opening is formed in the left side of the valve cap, and a connecting flange is fixedly mounted at the right end of the valve cap.

Optionally, the valve rod penetrates through the top of the valve body, and the valve cover is fixedly mounted on the top of the valve body through screws.

Optionally, the valve cover is embedded in the groove, and the baffle is fixedly installed inside the valve body.

Optionally, a through hole is formed in the middle of the baffle, and the sealing ring is made of a rubber material.

Optionally, a rubber pad is fixedly mounted at the left end of the threaded joint, and the threaded joint is connected to the right end of the valve body through a first threaded connection port in a threaded manner.

Optionally, the valve cap passes through second threaded connection mouth and thread fixed mounting on the valve body, the external diameter value of plastic joint equals the internal diameter value on valve cap right side.

Optionally, the width of the valve cover is equal to the width of the groove, and the outer diameter value of the convex ring is larger than the inner diameter value of the first threaded connection port.

The utility model discloses a technological effect and advantage:

the utility model discloses a threaded connection screwed joint in one side of valve body sets up two-layer rubber seal structure among the screwed joint, and the effectual valve gear kneck of having avoided leaks, and one side threaded connection of valve body has the valve cap, and the inlet outlet of secondary seal valve body has improved the sealed quality of device, reaches good sealed effect.

The utility model discloses valve body top fixed mounting valve gap, valve gap embedding are installed in the device, and the effectual valve body of having avoided leaks at the valve body top in the operation.

Drawings

Fig. 1 is a schematic view of the device of the present invention in a partial sectional structure.

Fig. 2 is a schematic view of the front view structure of the present invention.

Fig. 3 is a schematic diagram of the side view structure of the valve body of the present invention.

Fig. 4 is a schematic view of the middle joint structure of the present invention.

In the figure: 1. a valve body; 2. a valve mount; 3. a valve stem; 4. a hand wheel; 5. a groove; 6. a valve cover; 7. a limiting boss; 8. a screw; 9. screw teeth; 10. a first threaded connection port; 11. a baffle plate; 12. a through hole; 13. a plastic joint; 14. a threaded joint; 15. a rubber pad; 16. a seal ring; 17. a convex ring; 18. a bonnet; 19. a second threaded connection port; 20. and connecting the flanges.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, 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 therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a static sealing structure between a valve and a pipeline as shown in figures 1-4, which comprises a valve body 1, a valve mounting part 2 is fixedly arranged at the middle part of the valve body 1, a valve rod 3 is connected with the middle part of the top part of the valve mounting part 2 through screw threads, the valve rod 3 runs through the top part of the valve body 1, a hand wheel 4 is fixedly connected with the middle part of the top part of the valve rod 3, a groove 5 is arranged at the middle part of the top part of the valve body 1, a valve cover 6 is embedded in the groove 5, a valve cover 6 is arranged on the valve rod 3, the width of the valve cover 6 is equal to the width of the groove 5, limiting bosses 7 are fixedly connected with the top parts of the two sides of the valve cover 6, screws 8 are arranged on the limiting bosses 7, the valve cover 6 is fixedly arranged at the top part of the, the top and the bottom of the right side of the valve body 1 are respectively provided with a screw thread 9, the right end of the valve body 1 is provided with a first threaded connector 10, the left end of the first threaded connector 10 is provided with a baffle plate 11, the baffle plate 11 is fixedly arranged inside the valve body 1, the middle part of the baffle plate 11 is provided with a through hole 12, the right side of the valve body 1 is provided with a threaded joint 14, the left end of the threaded joint 14 is fixedly provided with a rubber pad 15, the right side of the threaded joint 14 is movably connected with a sealing ring 16 which can be conveniently and conveniently replaced by the sealing ring 16, the sealing ring 16 is made of rubber materials, the sealing performance of the rubber materials is good, the elasticity is strong, the right end of the threaded joint 14 is fixedly connected with a convex ring 17, the outer diameter value of the convex ring 17 is larger than the inner diameter value of the first threaded connector 10, connect through one side threaded connection at valve body 1, set up two-layer rubber seal structure in the joint, the effectual valve gear kneck that has avoided leaks water, the right side that the plastics connects 13 is provided with valve cap 18, the external diameter value of plastics joint 13 equals the internal diameter value on valve cap 18 right side, second threaded connection mouth 19 has been seted up in valve cap 18's left side, valve cap 18 passes through second threaded connection mouth 19 and thread 9 fixed mounting on valve body 1, valve cap 18's right-hand member fixed mounting has flange 20, one side threaded connection of valve body 1 has valve cap 18, the inlet outlet of secondary seal valve body 1, the sealing quality of device has been improved, reach good sealed effect.

The utility model discloses the theory of operation:

when in use, the plastic joint 13 is fixedly connected inside the right side of the valve body 1 by utilizing the thread of the threaded joint 14, the threaded joint 14 is internally provided with two layers of rubber sealing structures, the water leakage at the interface of the valve device is effectively avoided, the valve cap 18 is arranged on the valve body 1 through the matching thread of the second threaded connecting port 19 and the thread 9, one side of the valve body 1 is in threaded connection with the valve cap 18, the water inlet and the water outlet of the valve body 1 are sealed secondarily, the sealing quality of the device is improved, the good sealing effect is achieved, the sealing ring 16 is movably connected and can be conveniently replaced with the sealing ring 16, the sealing ring 16 is made of rubber materials, the sealing performance of the rubber materials is good, the elasticity is strong, the left end and the right end of the valve body 1 are both devices with the structure, the valve cover 6 is fixedly arranged at the top of the valve, a water pipeline is connected to a connecting flange 20 of a left valve cap 18 and a right valve cap 18 of the device, and a hand wheel 4 is rotated to drive a valve rod 3 to ascend and descend and pass through a valve mounting piece 2, so that the valve can be controlled.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a static seal structure between valve and pipeline, includes valve body (1), its characterized in that: the middle of the valve body (1) is fixedly provided with a valve mounting piece (2), the middle of the top of the valve mounting piece (2) is in threaded connection with a valve rod (3), the middle of the top of the valve rod (3) is fixedly connected with a hand wheel (4), the middle of the top of the valve body (1) is provided with a groove (5), the valve rod (3) is provided with a valve cover (6), the tops of the two sides of the valve cover (6) are fixedly connected with a limiting boss (7), the limiting boss (7) is provided with a screw (8), the top and the bottom of the right side of the valve body (1) are both provided with screw threads (9), the right end of the valve body (1) is provided with a first threaded connector (10), the left end of the first threaded connector (10) is provided with a baffle (11), the right side of the valve body (1) is provided with a threaded connector (14, the right-hand member fixedly connected with bulge loop (17) of screwed joint (14), the right-hand member fixed mounting of bulge loop (17) has plastic joint (13), the right side of plastic joint (13) is provided with valve cap (18), second threaded connection mouth (19) have been seted up in the left side of valve cap (18), the right-hand member fixed mounting of valve cap (18) has flange (20).

2. A static seal between a valve and a pipe according to claim 1, wherein:

the valve rod (3) penetrates through the top of the valve body (1), and the valve cover (6) is fixedly installed at the top of the valve body (1) through a screw (8).

3. A static seal between a valve and a pipe according to claim 1, wherein:

the valve cover (6) is embedded in the groove (5), and the baffle plate (11) is fixedly installed inside the valve body (1).

4. A static seal between a valve and a pipe according to claim 1, wherein:

the middle part of the baffle (11) is provided with a through hole (12), and the sealing ring (16) is made of rubber materials.

5. A static seal between a valve and a pipe according to claim 1, wherein:

the left end fixed mounting of screwed joint (14) has rubber pad (15), screwed joint (14) are through the right-hand member of first threaded connection mouth (10) threaded connection at valve body (1).

6. A static seal between a valve and a pipe according to claim 1, wherein:

valve cap (18) are through second threaded connection mouth (19) and thread (9) fixed mounting on valve body (1), the external diameter value of plastic joint (13) equals valve cap (18) right side internal diameter value.

7. A static seal between a valve and a pipe according to claim 1, wherein:

the width of the valve cover (6) is equal to that of the groove (5), and the outer diameter value of the convex ring (17) is larger than the inner diameter value of the first threaded connecting port (10).