CN113503373A

CN113503373A - Quick-connection ball valve

Info

Publication number: CN113503373A
Application number: CN202110797041.8A
Authority: CN
Inventors: 吴承滨; 吴承艺; 吴景温
Original assignee: YONGXIU VALVE CO LTD
Current assignee: YONGXIU VALVE CO LTD
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-10-15
Anticipated expiration: 2041-07-14
Also published as: CN113503373B

Abstract

The invention relates to the technical field of valves and discloses a quick connection ball valve which comprises a valve body, wherein a water outlet and a water inlet are respectively welded on two sides of the valve body, a limiting ring is welded on the inner wall of the water inlet, a movable pipe is slidably connected on the inner wall of the limiting ring, an extrusion ring is fixedly sleeved on the surface of the movable pipe, a connecting pipe is arranged at one end, away from the valve body, of the water inlet, and a valve core is arranged inside the valve body. This quick-connect ball valve, through setting up the movable tube, utilize the spring to press and move the extrusion ring, then through the position of extrusion ring control movable tube, make the side overlap joint of solid fixed ring of movable tube promotion and case, the rethread sets up sealed the pad, make sealed the pad can cut the rivers in the pipeline after the case is rotatory ninety degrees, and the case is at rotatory in-process, its side can promote solid fixed ring, thereby will seal the pad and push away from the surface of case, greatly reduced the case when rotatory to sealed wearing and tearing that cause.

Description

Quick-connection ball valve

Technical Field

The invention relates to the technical field of valves, in particular to a quick-connection ball valve.

Background

The ball valve is one of valves, and its case is spherical, utilizes the valve rod to drive and encloses the axis rotation during the use, and along with the development of science, the ball valve has become a main valve to because of its wear-resisting and light characteristics of switch, the rate of utilization of ball valve also rises year by year.

The ball valve just can close and cut off pipeline rivers because of its operation that only needs to rotate ninety degrees and very little moment, so mostly all be used for the rivers pipeline department that needs frequently to cut off, make things convenient for pipeline rivers to use at any time, but the ball valve is along with frequent use, its inside sealed pad can rotate the turn round and receive serious wear because of the case, so that sealed effect worsens gradually, and rivers in the water pipe are when passing through the case, if the case closes, the intraoral rivers pressure of ball valve intaking can increase gradually, and the case is spherical again, can produce torsion to the case under the impact of rivers, lead to case and valve rod to produce the skew easily, thereby leakproofness when influence valve rod is closed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a quick-connection ball valve which has the advantages of reducing the abrasion of a valve core to a sealing gasket and increasing the stability between the valve core and a valve rod, and solves the problems that the sealing gasket is seriously abraded due to frequent rotation of the valve core and the valve core is easy to deviate under the water flow impact.

The invention provides the following technical scheme: the utility model provides a quick-connect ball valve, includes the valve body, delivery port and water inlet have been welded respectively to the both sides of valve body, the inner wall welding of water inlet has the spacing ring, the inner wall sliding connection of spacing ring has the movable tube, the fixed cover in surface of movable tube has connect the extrusion ring, the one end that the valve body was kept away from to the water inlet is provided with the connecting pipe, the inside of valve body is provided with the case, the top fixed mounting of case has the valve rod, valve body and fixed mounting have the adjustment disk are run through on the top of valve rod, the bottom welding of valve body has spacing shell.

Preferably, the side of the limiting ring is provided with a rubber pad, and the side of the extrusion ring is lapped with the side of the limiting ring through the rubber pad.

Preferably, one end of the movable pipe is provided with a fixing ring, the side surface of the fixing ring is fixedly provided with a sealing gasket, and the fixing ring and the sealing gasket are in lap joint with the surface of the valve core.

Preferably, flexible groove has been seted up to the inside of water inlet, the inside one end overlap joint of flexible inslot has the spring, the spring is kept away from the one end in flexible groove and is overlapped with the side of extrusion ring, and the movable tube keeps away from the one end of solid fixed ring and is located the inside in flexible groove.

Preferably, one end of the water inlet, which is far away from the valve body, is provided with a notch, the inner wall of the notch is connected with a guide block in a sliding manner, and the guide block is welded on the surface of the connecting pipe.

Preferably, a tooth mouth is arranged on the surface of the water inlet, and the water inlet is connected with a connecting ring through a tooth mouth thread.

Preferably, the bottom of the valve core is provided with a connecting column, and one end of the connecting column, which is far away from the valve core, penetrates through the valve body and the limiting shell respectively and is fixedly provided with a rotating disc.

Preferably, a cavity is formed in the rotating disc, a pressure spring is arranged in the cavity, two ends of the pressure spring are respectively connected with a limiting disc in a lap joint mode, a clamping block is arranged on one side, away from the pressure spring, of the limiting disc, and one end, away from the limiting disc, of the clamping block penetrates through the rotating disc.

Preferably, the inner wall of the limiting shell is provided with four arc-shaped grooves, and the shapes of the arc-shaped grooves are matched with those of the clamping blocks.

Preferably, the surface of the valve core is cut with six planes, the positions of the six planes correspond to each other, and the position of the cut surface on the side surface of the valve core corresponds to the position of the arc-shaped groove.

Preferably, a packing box is arranged above the valve body and is rotatably sleeved on the surface of the valve rod, a fixed shell wraps the surface of the packing box, and the fixed shell is welded above the valve body.

Preferably, the side surface of the valve core is provided with a water passing groove, and the water passing groove penetrates through two ends of the valve core.

Compared with the prior art, the invention has the following beneficial effects:

1. this quick-connect ball valve, through setting up the movable tube, utilize the spring to press and move the extrusion ring, then through the position of extrusion ring control movable tube, make the side overlap joint of solid fixed ring of movable tube promotion and case, the rethread sets up sealed the pad, make sealed the pad can cut the rivers in the pipeline after the case is rotatory ninety degrees, and the case is at rotatory in-process, its side can promote solid fixed ring, thereby will seal the pad and push away from the surface of case, greatly reduced the case when rotatory to sealed wearing and tearing that cause.

2. This quick-connect ball valve through setting up the rolling disc, utilizes the spliced pole with rolling disc and case fixed connection, and the rethread sets up the spacing dish of pressure spring promotion and fixture block, makes the inner wall joint of fixture block and arc recess to the rotation to the rolling disc is restricted, and then increases the stability of case, avoids the case to produce the skew under water impact.

3. This quick-connect ball valve, through setting up the guide block, when the installation ball valve, can be after connecting pipe and water service pipe hot melt are connected, peg graft the other end and the water inlet of connecting pipe again, then the threaded connection through go-between and inlet tube promotes the guide block and removes, thereby quick and stable with ball valve and water service pipe installation, the adjustment disk position that can conveniently control the ball valve is installed in the promotion that utilizes the go-between simultaneously, the condition of position that appears at difficult operation along with the installation to the adjustment disk when avoiding appearing fixed mounting ball valve.

Drawings

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

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 2 at C according to the present invention;

FIG. 6 is a schematic view of a cross-sectional structure of the rotating disk of the present invention viewed from above;

fig. 7 is a schematic structural view of the valve body of the present invention.

In the figure: 1. a valve body; 2. a limiting shell; 3. a water outlet; 4. a water inlet; 5. a stationary case; 6. an adjusting disk; 7. a connecting pipe; 8. opening the gap; 9. a connecting ring; 10. a valve core; 11. a water trough; 12. a valve stem; 13. a stuffing box; 14. a limiting ring; 15. a rubber pad; 16. an extrusion ring; 17. a movable tube; 18. a telescopic groove; 19. a spring; 20. a fixing ring; 21. a gasket; 22. a guide block; 23. an arc-shaped groove; 24. connecting columns; 25. rotating the disc; 26. a cavity; 27. a pressure spring; 28. a limiting disc; 29. and (7) clamping blocks.

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.

Referring to fig. 1-7, a quick-connect ball valve comprises a valve body 1, a packing box 13 is disposed above the valve body 1, the packing box 13 is rotatably sleeved on the surface of a valve rod 12, a fixed shell 5 is wrapped on the surface of the packing box 13, the fixed shell 5 is welded above the valve body 1, the joint between the valve rod 12 and the valve body 1 is sealed by disposing the packing box 13 to prevent water in the valve body 1 from seeping out, a water outlet 3 and a water inlet 4 are respectively welded on both sides of the valve body 1, a telescopic groove 18 is disposed inside the water inlet 4, a spring 19 is lapped on one end inside the telescopic groove 18, one end of the spring 19 far away from the telescopic groove 18 is lapped on the side of an extrusion ring 16, and one end of a movable tube 17 far away from a fixed ring 20 is disposed inside the telescopic groove 18, and the spring 19 and the movable tube 17 are disposed by using the telescopic groove 18 to make the movable tube 17 have a certain activity space, an opening 8 is formed in one end, far away from a valve body 1, of a water inlet 4, a guide block 22 is connected to the inner wall of the opening 8 in a sliding mode, the guide block 22 is welded to the surface of a connecting pipe 7, the installation direction of a ball valve is limited by the aid of the guide block 22, the adjusting disc 6 is prevented from moving to a position which is not easy to operate along with installation of the ball valve, a tooth opening is formed in the surface of the water inlet 4, the water inlet 4 is connected with a connecting ring 9 through tooth opening threads, the connecting ring 9 is arranged, when the ball valve is installed, the ball valve can be installed rapidly by screwing the connecting ring 9, the guide block 22 is pushed by the connecting ring 9, installation of the ball valve can be more stable, a limiting ring 14 is welded to the inner wall of the water inlet 4, a rubber cushion 15 is arranged on the side face of the limiting ring 14, the side face of an extrusion ring 16 is in lap joint with the side face of the limiting ring 14 through the rubber cushion 15, when one end of a spring 19, which pushes the movable pipe 17, is close to a valve core 10, the outer ring of the movable pipe 17 can be sealed by arranging the rubber gasket 15, so that water cannot seep out when the ball valve is closed, the inner wall of the limiting ring 14 is connected with the movable pipe 17 in a sliding manner, one end of the movable pipe 17 is provided with a fixing ring 20, the side surface of the fixing ring 20 is fixedly provided with a sealing gasket 21, the fixing ring 20 and the sealing gasket 21 are both in lap joint with the surface of the valve core 10, the side edge angle of the valve core 10 can push the sealing gasket 21 away from the surface of the valve core 10 along with the rotation of the fixing ring 20 when the valve core 10 rotates, so that the abrasion of the sealing gasket 21 when the valve core 10 rotates is reduced, the surface of the movable pipe 17 is fixedly sleeved with a squeezing ring 16, one end of the water inlet 4, far away from the valve body 1, is provided with a connecting pipe 7, the valve core 10 is arranged inside the valve body 1, the bottom of the valve core 10 is provided with a connecting column 24, one end of the connecting column 24, far away from the valve core 10, respectively penetrates through the valve body 1 and the limiting shell 2 and is fixedly provided with a rotating disc 25, the valve core 10 is fixed by arranging the connecting column 24 and the rotating disc 25, so that the valve core 10 rotates more stably, the cavity 26 is formed in the rotating disc 25, the pressure spring 27 is arranged in the cavity 26, the two ends of the pressure spring 27 are respectively overlapped with the limiting discs 28, one side of each limiting disc 28, which is far away from the pressure spring 27, is provided with the fixture block 29, one end of each fixture block 29, which is far away from the limiting disc 28, penetrates through the rotating disc 25, the pressure spring 27 is utilized to extrude the limiting discs 28 and the fixture blocks 29, so that the fixture blocks 29 can rub against the inner wall of the limiting shell 2, the stability of the valve core 10 is improved, the valve core 10 is prevented from being impacted and swung by water flow, the top of the valve core 10 is fixedly provided with the valve rod 12, six planes are cut on the surface of the valve core 10, the positions of the six planes correspond to each other, the position of the cutting surface of the valve core 10 corresponds to the position of the arc-shaped groove 23, and the cutting plane on the surface of the valve core 10 enables the valve core 10 to have edge angles, make things convenient for the rotatory automatic sealed pad 21 that will seal of case 10 to push away from its surface, water trough 11 has been seted up to the side of case 10, and water trough 11 link up the both ends of case 10, through seting up water trough 11, when case 10 is rotatory to be opened, water trough 11's both ends just correspond with water inlet 4 and delivery port 3 respectively, make things convenient for rivers to pass through, valve body 1 and fixed mounting have adjusting disk 6 are run through on the top of valve rod 12, the bottom welding of valve body 1 has spacing shell 2, the inner wall of spacing shell 2 is provided with arc recess 23, and the quantity of arc recess 23 has four, the shape of arc recess 23 and the shape looks adaptation of fixture block 29, open or close the messenger when case 10, fixture block 29 just with the inner wall joint of arc recess 23, the stability of case 10 has been increased.

The working principle is that when the ball valve is installed, firstly, the connecting pipe 7 and the water pipe are fixedly installed, then, one end of the water inlet 4 is lapped with one end of the connecting pipe 7, the guide block 22 is in sliding connection with the inner wall of the opening 8, then, the connecting ring 9 is screwed, the guide block 22 is pushed through the connecting ring 9, so that the ball valve is stably and quickly installed on the water pipe, when the ball valve is closed, the adjusting disc 6 is rotated, the valve rod 12 drives the valve core 10 to rotate along with the rotation of the adjusting disc 6, when the valve core 10 rotates, the edge angle of the valve core can push the fixing ring 20 in the rotating process, then, the fixing ring 20 drives the movable pipe 17 and the extrusion ring 16 to extrude the spring 19, then, the movable pipe 17 can shrink into the telescopic groove 18, the sealing gasket 21 is far away from the surface of the valve core 10 along with the movement of the movable pipe 17 and the fixing ring 20, so as to reduce the abrasion of the sealing gasket 21, after the valve core 10 rotates ninety degrees, the spring 19 can push the movable pipe 17 and the fixing ring 20 to tightly attach to the valve core 10, thereby utilize sealed pad 21 to seal the side of case 10, simultaneously, when case 10 is rotatory, spliced pole 24 drives the rolling disc 25 rotatory along with the rotation of case 10, then the rolling disc 25 increases the rotatory resistance of case 10 through the friction of fixture block 29 with spacing shell 2 inner walls, avoids water impact to cause the influence to case 10, treats that case 10 closes or opens the back, fixture block 29 just with the inner wall joint of arc recess 23, has further increased the stability of case 10.

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

Claims

1. A quick-connect ball valve, includes valve body (1), its characterized in that: delivery port (3) and water inlet (4) have been welded respectively to the both sides of valve body (1), the inner wall welding of water inlet (4) has spacing ring (14), the inner wall sliding connection of spacing ring (14) has movable pipe (17), the fixed surface cover of movable pipe (17) has connect extrusion ring (16), the one end that valve body (1) was kept away from in water inlet (4) is provided with connecting pipe (7), the inside of valve body (1) is provided with case (10), the top fixed mounting of case (10) has valve rod (12), the top of valve rod (12) runs through valve body (1) and fixed mounting has adjusting disk (6), the bottom welding of valve body (1) has spacing shell (2).

2. A quick connect ball valve as claimed in claim 1 wherein: the side of the limiting ring (14) is provided with a rubber pad (15), and the side of the extrusion ring (16) is in lap joint with the side of the limiting ring (14) through the rubber pad (15).

3. A quick connect ball valve as claimed in claim 1 wherein: one end of the movable pipe (17) is provided with a fixing ring (20), the side face of the fixing ring (20) is fixedly provided with a sealing gasket (21), and the fixing ring (20) and the sealing gasket (21) are in lap joint with the surface of the valve core (10).

4. A quick connect ball valve as claimed in claim 1 wherein: flexible groove (18) have been seted up to the inside of water inlet (4), the inside one end overlap joint in flexible groove (18) has spring (19), the one end that flexible groove (18) were kept away from in spring (19) and the side overlap joint of extrusion ring (16), and the one end that solid fixed ring (20) were kept away from in activity pipe (17) is located the inside in flexible groove (18).

5. A quick connect ball valve as claimed in claim 1 wherein: an opening (8) is formed in one end, far away from the valve body (1), of the water inlet (4), a guide block (22) is connected to the inner wall of the opening (8) in a sliding mode, and the guide block (22) is welded to the surface of the connecting pipe (7).

6. A quick connect ball valve as claimed in claim 1 wherein: the surface of the water inlet (4) is provided with a tooth opening, and the water inlet (4) is connected with a connecting ring (9) through a tooth opening thread.

7. A quick connect ball valve as claimed in claim 1 wherein: the bottom of the valve core (10) is provided with a connecting column (24), and one end of the connecting column (24) far away from the valve core (10) penetrates through the valve body (1) and the limiting shell (2) respectively and is fixedly provided with a rotating disc (25).

8. A quick connect ball valve as claimed in claim 7 wherein: cavity (26) have been seted up to the inside of rolling disc (25), the inside of cavity (26) is provided with pressure spring (27), spacing dish (28) have all been lapped at the both ends of pressure spring (27), one side that pressure spring (27) were kept away from in spacing dish (28) is provided with fixture block (29), rolling disc (25) is run through to the one end that spacing dish (28) were kept away from in fixture block (29).

9. A quick connect ball valve as claimed in claim 1 wherein: the inner wall of spacing shell (2) is provided with arc recess (23), and the quantity of arc recess (23) has four, the shape of arc recess (23) and the shape looks adaptation of fixture block (29).

10. A quick connect ball valve as claimed in claim 1 wherein: six planes are cut on the surface of the valve core (10), the positions of the six planes correspond to each other, and the position of the cut surface on the side surface of the valve core (10) corresponds to the position of the arc-shaped groove.