CN222229584U - A valve connection device for preventing leakage - Google Patents

Abstract

The utility model discloses a valve connecting device for preventing leakage, which comprises a main pipeline, wherein a connecting ring is arranged at the end part of the main pipeline, the connecting ring is clamped in a sleeve, the sleeve is installed in an installation groove of a connecting cover, a sealing ring is arranged on the outer side of the connecting cover, a reducer pipe is arranged on one side, close to the connecting cover, of the sealing ring, and the reducer pipe is correspondingly clamped in the connecting groove. The valve connecting pipeline is connected with the connecting ring through the sleeve, and the double sealing mechanism is formed under the cooperation of the sleeve and the connecting cover, so that the leakage-proof performance of the connecting part of the valve connecting pipeline is effectively improved.

Description

Valve connecting device capable of preventing leakage

Technical Field

The utility model relates to the technical field of valve connecting equipment, in particular to a valve connecting device capable of preventing leakage.

Background

The valve is a device for controlling the direction, pressure and flow of fluid in a fluid system, is a control component in a pipeline fluid conveying system, is used for changing the section of a passage and the flow direction of a medium, and has the functions of diversion, cut-off, throttling, non-return, diversion or overflow pressure relief and the like. With the development of society, the development of science and technology, various power plants emerge, and valves are needed at some installation positions to change the section of a passage and the flow direction of a medium, and the valves and pipelines are matched to form a circulation mechanism, but in the valve connection mechanism of the present stage, a sealing element at the valve connection mechanism can age with the passage of time, so that the sealing effect is poor, and when serious, the leakage risk is caused. To this end we propose a valve connection device that prevents leakage.

Disclosure of utility model

The present utility model is directed to a valve connecting device for preventing leakage, so as to solve the above-mentioned problems in the prior art.

In order to achieve the purpose, the valve connecting device for preventing leakage comprises a main pipeline, wherein the end part of the main pipeline is provided with a connecting ring, the connecting ring is clamped in a sleeve, the sleeve is installed in an installation groove of a connecting cover, the outer side of the connecting cover is provided with a sealing ring, one side of the sealing ring, which is close to the connecting cover, is provided with a reducer pipe, and the reducer pipe is correspondingly clamped in the connecting groove.

In the scheme, the end part of the main pipeline is connected with the connecting pipe through the flange.

In the above scheme, the go-between joint is in the cylinder hole in the sleeve, overflow groove has been seted up to telescopic lateral wall.

In the above scheme, the main pipe outside is provided with the fixture block, the fixture block corresponds the joint in the draw-in groove of connecting cover inboard seting up.

In the above scheme, the sleeve outside is provided with the elastic block, the elastic block corresponds the joint in the spacing hole of connecting cover inboard and seting up.

In the scheme, the connecting cover is semicircular, the end part of the connecting cover is provided with the ear seat, and the adjacent ear seats are connected through bolts.

In the scheme, the sealing ring is in threaded fit with the main pipeline through the threaded part arranged on the inner side.

Compared with the prior art, the leakage-preventing valve connecting device has the beneficial effects that the structure design is simple and reasonable, the practicability is high, the connecting ring is arranged at the connecting end of the main pipeline, the valve connecting pipeline can be stably connected through the cooperation of the sleeve, the double sealing mechanism is formed under the cooperation of the sleeve and the connecting cover, the leakage-preventing performance of the connecting part of the valve connecting pipeline is effectively improved, the sealing ring is arranged on the outer side of the connecting cover, the connection between the sealing ring and the connecting cover is tighter under the cooperation of the reducer pipe and the connecting groove, and the sealing performance of the interface part is improved again.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

FIG. 2 is a schematic view of the internal structure of the connecting cover of the present utility model.

Fig. 3 is a schematic view of a connection structure of the connection cover of the present utility model.

In the figure, a main pipeline 1, a connecting ring 11, a flange 12, a connecting pipe 13, a sleeve 14, a water overflow groove 15, a clamping block 16, a clamping groove 17, a connecting cover 18, a mounting groove 19, an elastic block 2, a limiting hole 21, a sealing ring 22, a reducing pipe 23, a connecting groove 24, a threaded part 25, a lug seat 26 and a bolt 27 are arranged.

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.

Referring to fig. 1-3, the utility model provides a valve connecting device for preventing leakage, which comprises a main pipe 1, wherein a connecting ring 11 is arranged at the end part of the main pipe 1, the connecting ring 11 is clamped in a sleeve 14, the sleeve 14 is installed in an installation groove 19 of a connecting cover 18, a sealing ring 22 is arranged at the outer side of the connecting cover 18, a reducer pipe 23 is arranged at one side of the sealing ring 22 close to the connecting cover 18, and the reducer pipe 23 is correspondingly clamped in the connecting groove 24.

Through setting up go-between 11 at the link of trunk line 1 to can be with valve connecting tube stable connection through the cooperation of sleeve 14, and form dual seal mechanism under the cooperation of sleeve 14 and junction housing 18, effectively promoted the leak protection performance of valve connecting tube junction.

In the above scheme, the end part of the main pipeline 1 is connected with the connecting pipe 13 through the flange 12. Adjacent flanges 12 are sealed by gaskets and are engaged by screw connections.

In the above scheme, the connecting ring 11 is clamped in a cylindrical hole in the sleeve 14, and the side wall of the sleeve 14 is provided with the overflow groove 15. Under the action of the internal sealing element, if water leakage occurs at the joint, water reaches and fills the overflow groove 15 under the action of pressure, and the outer wall of the sleeve 14 can be tightly attached to the inner wall of the connecting cover 18 under the action of water flow pressure by utilizing the special structure of the sleeve 14.

In the above scheme, the outer side of the main pipe 1 is provided with the clamping block 16, and the clamping block 16 is correspondingly clamped in the clamping groove 17 formed in the inner side of the connecting cover 18. The mounting stability of the connection cover 18 is improved by the cooperation of the clamping block 16 and the clamping groove 17.

In the above scheme, the outer side of the sleeve 14 is provided with the elastic block 2, and the elastic block 2 is correspondingly clamped in the limiting hole 21 formed in the inner side of the connecting cover 18. Specifically, the corners of the elastic block 2 are rounded in arc shape, the elastic block 2 may be made of soft materials such as silicone rubber, and when the connecting cover 18 is clamped with the sleeve 14, the elastic block 2 is gradually clamped into the limiting hole 21 under pressure.

In the above-mentioned solution, the connection cover 18 is semicircular, and the end of the connection cover 18 is provided with the ear mount 26, and the adjacent ear mounts 26 are connected by bolts 27. By adopting a detachable connection mode, the connection cover 28 can be conveniently matched with the main pipeline 1 for use.

In the above scheme, the sealing ring 22 forms a screw connection fit with the main pipe 1 through a screw part 25 arranged on the inner side. Correspondingly, the outer part of the main pipe 1 is provided with external threads matched with the main pipe, the threaded part 25 is in threaded fit with the external threads by gradually rotating the sealing ring 22, and in the process, the reducer pipe 23 gradually enters the inside of the connecting groove 24 to be clamped, so that the sealing connectivity of the equipment is ensured.

By arranging the sealing ring 22 on the outer side of the connecting cover 18, the connection between the sealing ring 22 and the connecting cover 18 is tighter under the cooperation of the reducer pipe 23 and the connecting groove 24, and the sealing performance of the joint is improved again.

Working principle:

This kind of prevent valve connecting device who leaks sets up go-between 11 through the link at trunk line 1 to can be with valve connecting tube stable connection through the cooperation of sleeve 14, and form dual seal mechanism under the cooperation of sleeve 14 and junction housing 18, effectively promoted the anti-leakage performance of valve connecting tube junction, overflow tank 15 has been seted up to the lateral wall of sleeve 14. Under the effect of the internal sealing member, if the water leakage phenomenon occurs at the joint, water reaches and fills the overflow groove 15 under the action of pressure, the special structure of the sleeve 14 is utilized, so that the outer wall of the sleeve 14 can be clung to the inner wall of the connecting cover 18 under the action of water flow pressure, the threaded part 25 is in threaded engagement with the external threads by gradually rotating the sealing ring 22, in the process, the reducer pipe 23 gradually enters the connecting groove 24 to be clamped, so that the sealing connectivity of equipment is ensured, and the sealing ring 22 is arranged on the outer side of the connecting cover 18, so that the sealing ring 22 is more tightly connected with the connecting cover 18 under the engagement of the reducer pipe 23 and the connecting groove 24.

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 a prevent valve connecting device of revealing, includes trunk line (1), its characterized in that the tip of trunk line (1) is provided with go-between (11), go-between (11) joint is in sleeve (14), sleeve (14) are installed in mounting groove (19) of junction housing (18), the outside of junction housing (18) is provided with sealing ring (22), one side that sealing ring (22) are close to junction housing (18) is provided with reducing pipe (23), and reducing pipe (23) correspond the joint in spread groove (24).

2. A leakage preventing valve connection according to claim 1, characterized in that the end of the main pipe (1) is connected to a connection pipe (13) via a flange (12).

3. The valve connecting device for preventing leakage according to claim 1, wherein the connecting ring (11) is clamped in a cylindrical hole in the sleeve (14), and an overflow groove (15) is formed in the side wall of the sleeve (14).

4. The valve connecting device for preventing leakage according to claim 1, wherein a clamping block (16) is arranged on the outer side of the main pipeline (1), and the clamping block (16) is correspondingly clamped in a clamping groove (17) formed on the inner side of the connecting cover (18).

5. The valve connecting device for preventing leakage according to claim 1, wherein an elastic block (2) is arranged on the outer side of the sleeve (14), and the elastic block (2) is correspondingly clamped in a limiting hole (21) formed on the inner side of the connecting cover (18).

6. A valve connecting device for preventing leakage according to claim 1, wherein the connecting cover (18) is semicircular, and the end of the connecting cover (18) is provided with an ear seat (26), and adjacent ear seats (26) are connected by bolts (27).

7. A leakage preventing valve connection according to claim 1, characterized in that the sealing ring (22) is in threaded engagement with the main pipe (1) via an internally arranged threaded portion (25).