CN216143216U

CN216143216U - Plug valve with pressure stabilizing function

Info

Publication number: CN216143216U
Application number: CN202122071366.6U
Authority: CN
Inventors: 柏广才
Original assignee: Jiangsu Pufite Intelligent Technology Co ltd
Current assignee: Jiangsu Pufite Intelligent Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-29
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a plug valve with a pressure stabilizing function, which comprises a valve body, wherein a first joint is arranged on one side of the valve body, and a second joint is arranged on the other side of the valve body. When fluid in the pipeline normally enters the valve body, a certain channel is reserved between two groups of semicircular turning plates which are normally opened in a convex groove in the second joint, so that the fluid normally circulates.

Description

Plug valve with pressure stabilizing function

Technical Field

The utility model relates to the technical field of plug valves, in particular to a plug valve with a pressure stabilizing function.

Background

The plug valve is the rotary valve of a plunger shape, make inside channel mouth and valve body internal channel form the intercommunication or the disconnection through rotatory inside valve plug, a type of commonly used valve of switching is realized, it has simple structure, a great deal of advantage such as small and sealing performance, some plug valves that nevertheless have now still exist some not enough at the in-process that uses, for example, be not convenient for carry out the steady voltage to inside when the plug valve uses, be not convenient for carry out solitary change to the connector of damage simultaneously, and also do not have a measure of being convenient for clear up inside the plug valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a plug valve with a pressure stabilizing function, and aims to solve the problem that the internal pressure stabilization is inconvenient to use in the plug valve in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a plug valve with steady voltage function, includes the valve body, one side of valve body is provided with the first joint, the opposite side of valve body is provided with the second and connects, the outside of one side that first joint and second connect is fixed with fixation nut respectively, the top of valve body is fixed with the gland, the inside of valve body transversely runs through and is provided with the inner chamber, the inside intermediate position department of valve body is provided with the toper inner chamber, the inside of toper inner chamber is provided with the toper valve plug, the inside of valve body bottom both sides is provided with the preformed hole respectively, the inside that the second connects is provided with the convex groove.

Preferably, the top end and the bottom end inside the convex groove are respectively and movably connected with a rotating shaft, a semicircular turning plate is fixed outside the rotating shaft, compression springs are respectively fixed at the top end and the bottom end of one side inside the convex groove, and one side of each compression spring is fixedly connected with one side of the semicircular turning plate.

Preferably, the semicircular turning plates are symmetrically arranged about the horizontal center line of the convex groove, and the convex groove is communicated with the inside of the inner cavity.

Preferably, one side of first joint and second joint is fixed with the screw rod, the inside of valve body both sides is provided with the screw respectively, one side of the screw rod outside is provided with sealed the pad, the outside of screw rod is provided with the external screw thread, the inside of screw hole is provided with the internal thread with external screw thread matched with, the screw rod is linked together with the inside of screw, the screw is linked together with the inside of inner cavity.

Preferably, the inside of preformed hole is provided with the check lock, the vertical through-hole that is provided with in inside of valve body bottom one side, the outside of check lock is provided with the external screw thread.

Preferably, the top end of the preformed hole is communicated with the inside of the through hole, and the top end of the through hole is communicated with the inside of the inner cavity.

Compared with the prior art, the utility model has the beneficial effects that: the plug valve with the pressure stabilizing function not only realizes that the internal pressure of the plug valve is stabilized when the plug valve is used, and the damaged connecting port is conveniently and independently replaced, but also realizes that the internal part of the plug valve is conveniently cleaned;

(1) when fluid inside the pipeline normally enters the valve body, a certain channel is reserved between two groups of semicircular turning plates which are normally opened inside the convex groove inside the second connector, so that the fluid normally circulates;

(2) by arranging the fixing nut, the screw rod, the screw hole and the sealing gasket, if the valve body or the second joint is damaged in the using process of the valve body, the fixing nut can be rotated by a wrench tool to screw out the first joint or the second joint from the inside of the screw hole arranged at one side of the valve body by utilizing the screw rod and take the first joint or the second joint out for independent replacement, and after the replaced first joint or the replaced second joint is screwed into the inside of the screw hole by utilizing the screw rod and fastened, the sealing gasket can seal the connecting part to prevent leakage;

(3) through being provided with the preformed hole, the through-hole, and the check lock lever, the in-process that the plug valve was using, can be through the check lock lever with valve body bottom both sides respectively follow the inside back of unscrewing of preformed hole, open the toper valve plug again and make toper valve plug and interior cavity inside communicate, wash by water from the inside of preformed hole through utilizing outside high-pressure squirt, rivers wash through the inside that gets into interior cavity and toper valve plug and toper inner chamber in the through-hole, discharge in the preformed hole of bottom opposite side again, be convenient for clear up the plug valve is inside.

Drawings

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

FIG. 2 is an enlarged side view of a part of a cross section of the semi-circular turning plate according to the present invention;

FIG. 3 is an enlarged front view of a partial cross-section of a screw hole according to the present invention;

FIG. 4 is an enlarged front view of a partial cross-section of a through hole according to the present invention.

In the figure: 1. a valve body; 2. an inner cavity; 3. a first joint; 4. fixing a nut; 5. a gland; 6. a tapered valve plug; 7. a compression spring; 8. a second joint; 9. a conical lumen; 10. reserving a hole; 11. a semicircular turning plate; 12. a convex groove; 13. a rotating shaft; 14. a screw; 15. a screw hole; 16. a gasket; 17. a through hole; 18. a locking lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-4, a plug valve with a pressure stabilizing function comprises a valve body 1, wherein a first joint 3 is arranged on one side of the valve body 1, a second joint 8 is arranged on the other side of the valve body 1, fixing nuts 4 are respectively fixed on the outer portions of one sides of the first joint 3 and the second joint 8, a gland 5 is fixed on the top end of the valve body 1, an inner cavity 2 is transversely arranged in the valve body 1 in a penetrating manner, a conical inner cavity 9 is arranged at the middle position in the valve body 1, a conical valve plug 6 is arranged in the conical inner cavity 9, a preformed hole 10 is respectively arranged in each of the two sides of the bottom end of the valve body 1, and a convex groove 12 is arranged in the second joint 8;

the top end and the bottom end inside the convex groove 12 are respectively movably connected with a rotating shaft 13, a semicircular turning plate 11 is fixed outside the rotating shaft 13, a compression spring 7 is respectively fixed at the top end and the bottom end of one side inside the convex groove 12, one side of the compression spring 7 is fixedly connected with one side of the semicircular turning plate 11, the semicircular turning plates 11 are symmetrically arranged about the horizontal center line of the convex groove 12, and the convex groove 12 is communicated with the inside of the inner cavity 2;

specifically, as shown in fig. 1 and fig. 2, when the plug valve is connected to a pipeline for use by using a first connector 3 and a second connector 8, when fluid inside the pipeline normally enters the inside of the valve body 1, a certain channel is reserved between two sets of semicircular turning plates 11 which are normally opened inside a convex groove 12 inside the second connector 8, so that the fluid normally circulates, when the pressure of the fluid inside the pipeline is increased, the fluid automatically pushes one side of each semicircular turning plate 11, each semicircular turning plate 11 is turned by using a rotating shaft 13, the channel between the semicircular turning plates 11 is increased, so as to relieve the pressure inside the valve body 1, when the pressure is reduced, the compression spring 7 automatically pulls the semicircular turning plates 11 back to an initial position, and the internal pressure stabilization is performed when the plug valve is used.

Example 2: a screw 14 is fixed on one side of the first joint 3 and one side of the second joint 8, screw holes 15 are respectively arranged inside two sides of the valve body 1, a sealing gasket 16 is arranged on one side outside the screw 14, external threads are arranged outside the screw 14, internal threads matched with the external threads are arranged inside the screw holes 15, the screw 14 is communicated with the inside of the screw hole 15, and the screw hole 15 is communicated with the inside of the inner cavity 2;

specifically, as shown in fig. 1 and 3, if the valve body 1 or the second joint 8 is damaged during the use of the valve body 1, the fixing nut 4 can be screwed by a wrench tool to screw out the first joint 3 or the second joint 8 from the inside of the screw hole 15 formed in one side of the valve body 1 by the screw 14 for independent replacement, and after the replaced first joint 3 or the replaced second joint 8 is screwed into the inside of the screw hole 15 by the screw 14 for fastening, the sealing gasket 16 can seal the joint to prevent leakage.

Example 3: a locking rod 18 is arranged inside the preformed hole 10, a through hole 17 is vertically arranged inside one side of the bottom end of the valve body 1, external threads are arranged outside the locking rod 18, the top end of the preformed hole 10 is communicated with the inside of the through hole 17, and the top end of the through hole 17 is communicated with the inside of the inner cavity 2;

specifically, as shown in fig. 1 and 4, the plug valve is in the in-process of using, can be through the internal back of unscrewing from preformed hole 10 respectively with the check lock lever 18 of 1 bottom both sides of valve body, open toper valve plug 6 again and make toper valve plug 6 communicate with 2 insides of inner chamber, wash by water from the inside of preformed hole 10 through utilizing outside high-pressure squirt, rivers wash through the inside that gets into inner chamber 2 and toper valve plug 6 and toper inner chamber 9 in the through-hole 17, discharge in the preformed hole 10 of bottom opposite side again, be convenient for clear up the inside of plug valve.

The working principle is as follows: when the plug valve is used, when a plug valve is connected with a first connector 3 and a second connector 8 to enter a pipeline for use, when fluid in the pipeline normally enters a valve body 1, a certain channel is reserved between two groups of semicircular turning plates 11 which are normally opened in a convex groove 12 in the second connector 8, so that the fluid normally circulates, when the pressure of the fluid in the pipeline is increased, the fluid automatically pushes one side of each semicircular turning plate 11, each semicircular turning plate 11 is turned over by using a rotating shaft 13, the channel between the semicircular turning plates 11 is increased, so that the pressure in the valve body 1 is relieved, when the pressure is reduced, a compression spring 7 automatically pulls each semicircular turning plate 11 back to an initial position, so that the internal pressure is stabilized when the plug valve is used, if the valve body 1 or the second connector 8 is damaged in the use process of the valve body 1, the first connector 3 or the second connector 8 can be rotated by using a wrench tool to fix a screw 4 from the valve body 14 1 the inside of the screw 15 that one side set up is unscrewed and is taken off and change alone, the first joint 3 that will replace or the second connects 8 utilizes screw rod 14 screw in to the inside fastening of screw 15 after, sealed the pad 16 can seal up the junction and prevent the seepage, the in-process that the plug valve was using simultaneously, can be through the locking lever 18 with 1 bottom both sides of valve body respectively from the inside back of unscrewing of preformed hole 10, open toper valve plug 6 again and make toper valve plug 6 communicate with 2 insides of inner chamber, wash by water from the inside of preformed hole 10 through utilizing outside high-pressure squirt, rivers wash through the inside that gets into inner chamber 2 and toper valve plug 6 and toper inner chamber 9 in the through-hole 17, discharge in the preformed hole 10 of bottom opposite side again, be convenient for clear up the inside of plug valve.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a plug valve with steady voltage function, includes valve body (1), its characterized in that: one side of valve body (1) is provided with first joint (3), the opposite side of valve body (1) is provided with second joint (8), the outside of one side of first joint (3) and second joint (8) is fixed with fixation nut (4) respectively, the top of valve body (1) is fixed with gland (5), the inside of valve body (1) transversely runs through and is provided with interior cavity (2), the inside intermediate position department of valve body (1) is provided with toper inner chamber (9), the inside of toper inner chamber (9) is provided with toper valve plug (6), the inside of valve body (1) bottom both sides is provided with preformed hole (10) respectively, the inside of second joint (8) is provided with convex groove (12).

2. The plug valve with the pressure stabilizing function according to claim 1, characterized in that: the novel anti-theft device is characterized in that a rotating shaft (13) is movably connected to the top end and the bottom end inside the convex groove (12) respectively, a semicircular turning plate (11) is fixed to the outer portion of the rotating shaft (13), compression springs (7) are fixed to the top end and the bottom end of one side inside the convex groove (12) respectively, and one side of each compression spring (7) is fixedly connected with one side of the semicircular turning plate (11).

3. The plug valve with the pressure stabilizing function according to claim 2, characterized in that: the semicircular turning plates (11) are symmetrically arranged about the horizontal center line of the convex groove (12), and the convex groove (12) is communicated with the inside of the inner cavity (2).

4. The plug valve with the pressure stabilizing function according to claim 1, characterized in that: one side that first joint (3) and second connect (8) is fixed with screw rod (14), the inside of valve body (1) both sides is provided with screw (15) respectively, one side of screw rod (14) outside is provided with sealed pad (16), the outside of screw rod (14) is provided with the external screw thread, the inside of screw hole (15) is provided with the internal thread with external screw thread matched with, screw rod (14) is linked together with the inside of screw hole (15), screw hole (15) are linked together with the inside of inner cavity (2).

5. The plug valve with the pressure stabilizing function according to claim 1, characterized in that: the inside of preformed hole (10) is provided with check lock (18), the inside of valve body (1) bottom one side is vertical to be provided with through-hole (17), the outside of check lock (18) is provided with the external screw thread.

6. The plug valve with the pressure stabilizing function according to claim 1, characterized in that: the top end of the preformed hole (10) is communicated with the inside of the through hole (17), and the top end of the through hole (17) is communicated with the inside of the inner cavity (2).