CN214367893U

CN214367893U - Ball valve with surrounding type sealing gasket

Info

Publication number: CN214367893U
Application number: CN202023181555.0U
Authority: CN
Inventors: 刘利民
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-10-08
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a ball valve with a surrounding sealing gasket, which comprises a left valve body shell and a right valve body shell, wherein the left valve body shell is fixedly connected with the right valve body shell, one side of the left valve body shell, which is far away from the right valve body shell, is fixedly connected with a left connecting pipe, one side of the right valve body shell, which is far away from the left valve body shell, is fixedly connected with a right connecting pipe, and the inner sides of the left valve body shell and the right valve body shell are provided with a valve core. The sealing effect is improved, and the service life is long.

Description

Ball valve with surrounding type sealing gasket

Technical Field

The utility model relates to the technical field of valves, especially, relate to a ball valve with surrounding type is sealed to fill up.

Background

The ball valve is a valve which is driven by a ball rod and rotates around the axis of the ball rod, and can be used for adjusting and controlling fluid in the prior art, Chinese patent publication No. CN200820076282.3 proposes a plastic ball valve with a valve ball wrapping body, which comprises a valve body, a ball wrapping body, an anti-diarrhea ring and an O-shaped ring contacted with the ball rod, and the sealing performance of the ball valve is better improved because the ball valve is designed with the ball wrapping body.

However, the structure of the ball valve is not reasonable, and if the ball valve is damaged, only the whole ball valve can be replaced when in use, so that the material and time are wasted, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a ball valve with a surrounding type sealing gasket.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the ball valve provided with the surrounding type sealing gasket comprises a left valve body shell and a right valve body shell, wherein the left valve body shell is fixedly connected with the right valve body shell, one side of the left valve body shell, which is far away from the right valve body shell, is fixedly connected with a left connecting pipe, one side of the right valve body shell, which is far away from the left valve body shell, is fixedly connected with a right connecting pipe, the inner sides of the left shell and the right shell of the valve body are provided with valve cores, the inner walls of the valve cores are provided with through holes, the upper wall of the valve core is connected with a ball rod in a threaded manner, the outer wall of the ball rod is rotationally connected with the left shell and the right shell of the valve body, the outer wall of the ball rod is sleeved with an O-shaped ring, the upper side of the ball rod is connected with a rotating sleeve in a sliding way, the outer wall of the rotating sleeve is fixedly connected with a handle, the ball rod is provided with an anti-misoperation device between the ball rod and the rotating sleeve, the outer walls of the left valve body shell and the right valve body shell are provided with a positioning device and a locking device, and the insides of the left valve body shell and the right valve body shell are provided with sealing devices.

As a further description of the above technical solution:

the anti-misoperation device comprises a fixed rod, the fixed rod is fixedly connected to the inner wall of the ball rod, the fixed rod extends out of the outer wall of the ball rod and is in sliding connection with a rotating sleeve, a rotating sleeve limiting screw is connected to the end part, far away from the ball rod, of the fixed rod in a threaded mode, a spring is sleeved on the outer wall of the fixed rod, and the spring is arranged between the rotating sleeve and the ball rod.

As a further description of the above technical solution:

the ball arm upper surface of the positioning device is provided with a first stirring tooth, the lower surface of the rotating sleeve is provided with a second stirring tooth, and the shape of the first stirring tooth is matched with that of the second stirring tooth.

As a further description of the above technical solution:

the positioning device comprises four groups of third fixing seats, four groups of fourth fixing seats and four groups of pin holes, wherein the third fixing seats are fixedly connected to the outer wall of the left valve body shell and the outer wall of the fourth fixing seats are fixedly connected to the outer wall of the right valve body shell and the inner wall of the fourth fixing seats are provided with the pin holes, and the fourth fixing seats are fixedly connected to the outer wall of one side of the left valve body shell and guide pins and four groups of pin holes in a sliding connection mode.

As a further description of the above technical solution:

the locking device comprises eleven groups of first fixing seats and eleven groups of second fixing seats, wherein the first fixing seats are fixedly connected to the outer wall of the left shell of the valve body, the eleven groups of second fixing seats are fixedly connected to the outer wall of the right shell of the valve body, the eleven groups of first fixing seats are provided with first fixing holes, and the eleven groups of second fixing seats are provided with second fixing holes.

As a further description of the above technical solution:

sealing device seals up including the ring of stopping diarrhea, first annular packing, the second annular packing, the ring setting of stopping diarrhea is between the left shell of valve body, the right shell of valve body, the sealed setting of first annular packing is at the left shell inner wall of valve body, the sealed setting of second annular packing is at the right shell inner wall of valve body, the sealed material of first annular packing, the sealed material of second annular packing is the EPDM material.

The utility model discloses following beneficial effect has:

compared with the prior art, this ball valve with surrounding type is sealed to fill up, positioner through setting up, can be quick when the installation fix a position, the locking device of setting, can lock the installation to valve body left side shell and valve body right side shell, the sealing device of setting, can play fine sealed effect, the mistake proofing device of setting, can avoid the mistake to bump the loss that causes in the use, traditional valve body should become the split type that valve body left side shell and valve body right side shell come two parts, conveniently change internals, adopt the surrounding type of natural rubber EPDM for the material to fill up in addition, improve sealed effect, long service life.

Drawings

Fig. 1 is a schematic view of the overall structure of the ball valve provided with the surrounding sealing gasket according to the present invention;

FIG. 2 is a side view of the left valve body shell of the ball valve with the encircling sealing gasket according to the present invention;

fig. 3 is a schematic view of a valve core structure of the ball valve provided with the surrounding type sealing gasket according to the present invention;

fig. 4 is a schematic view of a rotating sleeve structure of a ball valve provided with a surrounding type sealing gasket according to the present invention;

FIG. 5 is a side view of a right housing structure of a ball valve with a surrounding gasket according to the present invention;

FIG. 6 is a front view of a right housing structure of a ball valve with a surrounding gasket according to the present invention;

fig. 7 is a schematic view of an anti-diarrheal ring structure of the ball valve provided with the encircling sealing gasket.

Illustration of the drawings:

1. a valve body left shell; 2. a valve body right shell; 3. a left connecting pipe; 4. a right connecting pipe; 5. a first fixed seat; 6. a second fixed seat; 7. a third fixed seat; 8. a fourth fixed seat; 9. a shaft; 10. fixing the rod; 11. a spring; 12. rotating the sleeve; 13. a handle; 14. a rotating sleeve limit screw; 15. a first fixing hole; 16. a pin hole; 17. antidiarrheal ring; 18. a valve core; 19. a through hole; 20. an O-shaped ring; 21. a first toggle tooth; 22. a second toggle tooth; 23. a second fixing hole; 24. a pilot pin; 25. a first annular seal; 26. a second annular seal.

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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the utility model provides a ball valve with surrounding type is sealed to fill up: comprises a left valve body shell 1 and a right valve body shell 2, the left valve body shell 1 is fixedly connected with the right valve body shell 2, one side of the left valve body shell 1 far away from the right valve body shell 2 is fixedly connected with a left connecting pipe 3, one side of the right valve body shell 2 far away from the left valve body shell 1 is fixedly connected with a right connecting pipe 4, the inner sides of the left valve body shell 1 and the right valve body shell 2 are provided with a valve core 18, the inner wall of the valve core 18 is provided with a through hole 19, the upper wall of the valve core 18 is in threaded connection with a ball rod 9, the outer wall of the ball rod 9 is rotatably connected with the left valve body shell 1 and the right valve body shell 2, the outer wall of the ball rod 9 is sleeved with an O-shaped ring 20, the upper side of the ball rod 9 is slidably connected with a rotating sleeve 12, the outer wall of the rotating sleeve 12 is fixedly connected with a handle 13, an anti-misoperation device is arranged between the ball rod 9 and the rotating sleeve 12, and the left valve body shell 1, the outer wall of the valve body right shell 2 is provided with a positioning device and a locking device, and the insides of the valve body left shell 1 and the valve body right shell 2 are provided with sealing devices.

The anti-misoperation device comprises a fixing rod 10, the fixing rod 10 is fixedly connected to the inner wall of the ball rod 9, the fixing rod 10 extends out of the outer wall of the ball rod 9 and is connected with a rotating sleeve 12 in a sliding mode, the end portion, far away from the ball rod 9, of the fixing rod 10 is connected with a rotating sleeve limiting screw 14 in a threaded mode, a spring 11 is sleeved on the outer wall of the fixing rod 10, the spring 11 is arranged between the rotating sleeve 12 and the ball rod 9, and the anti-misoperation device is arranged so that mistaken collision can be avoided in use, and unnecessary loss is avoided.

When the positioning device is used, the handle 13 is held and pressed down, the first stirring teeth 21 and the second stirring teeth 22 are meshed, and then the positioning device can be opened or closed.

The positioning device comprises four groups of third fixing seats 7 and four groups of fourth fixing seats 8, wherein the four groups of third fixing seats 7 are fixedly connected to the outer wall of the left valve body shell 1, the four groups of fourth fixing seats 8 are fixedly connected to the outer wall of the right valve body shell 2, pin holes 16 are formed in the inner walls of the four groups of third fixing seats 7, the four groups of fourth fixing seats 8 are fixedly connected to the outer wall of one side of the left valve body shell 1 to guide the guide pins 24, the four groups of guide pins 24 are slidably connected with the four groups of pin holes 16, and the positioning device can be assembled more quickly.

Locking device includes eleven first fixing base groups 5, eleven second fixing base groups 6, eleven first fixing base groups 5 equal fixed connection at the valve body left side shell 1 outer wall, eleven second fixing base groups 6 equal fixed connection at the valve body right side shell 2 outer wall, eleven first fixing base groups 5 inner walls all are provided with first fixed orifices 15, eleven second fixing base groups 6 inner walls all are provided with second fixed orifices 23, through eleven locking device groups, can be in the same place the firm locking of valve body left side shell 1 and valve body right side shell 2.

Sealing device is including the ring 17 of checking diarrhea, first annular seal pad 25, second annular seal pad 26, the ring 17 of checking diarrhea sets up at the valve body left side shell 1, between the valve body right side shell 2, first annular seal pad 25 sets up at the valve body left side shell 1 inner wall, second annular seal pad 26 sets up at the valve body right side shell 2 inner walls, first annular seal pad 25, second annular seal pad 26 material is the EPDM material, adopt natural rubber EPDM to be the first annular seal pad 25 of the surrounding type of material, second annular seal pad 26, improve sealed effect, long service life.

The working principle is as follows: installing a ball rod 9 on a valve core 18, sleeving an O-shaped ring 20 on the outer wall of the ball rod 9, fixing a fixing rod 10 on the inner wall of the ball rod 9, sleeving a spring 11 on the outer wall of the fixing rod 10, installing an upper rotating sleeve 12, screwing an upper sleeve limiting screw 14, installing a first annular sealing gasket 25, a second annular sealing gasket 26 and an anti-diarrhea ring 17 on a left valve body shell 1 and a right valve body shell 2 respectively, placing the valve core 18 between the left valve body shell 1 and the right valve body shell 2, clamping the left valve body shell 1 and the right valve body shell 2 together through a positioning device, passing through a first fixing hole 15 and a second fixing hole 23 through a conventionally used screw for locking, inserting into a pipeline through a left connecting pipe 3 and a right connecting pipe 4 for use, and arranging an anti-misoperation device which can avoid mistaken collision in use so as to avoid unnecessary loss, and holding and pressing down a handle 13 during use, the first stirring teeth 21 and the second stirring teeth 22 are meshed to open or close, and the surrounding first annular sealing gasket 25 and the surrounding second annular sealing gasket 26 which are made of natural rubber EPDM (ethylene-propylene-diene monomer) are adopted to improve the sealing effect and prolong the service life.

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. Ball valve with surrounding type is sealed to fill up, including valve body left side shell (1), valve body right side shell (2), valve body left side shell (1) and valve body right side shell (2) fixed connection, its characterized in that: one side fixedly connected with left connecting pipe (3) of valve body left side shell (1) keeping away from valve body right side shell (2), one side fixedly connected with right connecting pipe (4) of valve body left side shell (1) are kept away from to valve body right side shell (2), valve body left side shell (1), valve body right side shell (2) inboard are provided with case (18), through-hole (19) have been seted up to case (18) inner wall, case (18) upper wall threaded connection has club (9), club (9) outer wall rotates with valve body left side shell (1), valve body right side shell (2) to be connected, club (9) outer wall cover is equipped with O type circle (20), club (9) upside sliding connection has and rotates cover (12), it has handle (13) to rotate cover (12) outer wall fixedly connected with, be provided with mistake proofing device between club (9) and the rotation cover (12), valve body left side shell (1), The outer wall of the valve body right shell (2) is provided with a positioning device and a locking device, and sealing devices are arranged inside the valve body left shell (1) and the valve body right shell (2).

2. The ball valve provided with the surrounding type sealing gasket according to claim 1, wherein: the anti-misoperation device comprises a fixing rod (10), the fixing rod (10) is fixedly connected to the inner wall of the ball rod (9), the fixing rod (10) stretches out of the outer wall of the ball rod (9) and is in sliding connection with a rotating sleeve (12), the end part of the fixing rod (10), far away from the ball rod (9), is in threaded connection with a rotating sleeve limiting screw (14), a spring (11) is sleeved on the outer wall of the fixing rod (10), and the spring (11) is arranged between the rotating sleeve (12) and the ball rod (9).

3. The ball valve provided with the surrounding type sealing gasket according to claim 2, wherein: the positioning device is characterized in that a first poking tooth (21) is arranged on the upper surface of the ball rod (9), a second poking tooth (22) is arranged on the lower surface of the rotating sleeve (12), and the shape of the first poking tooth (21) is matched with that of the second poking tooth (22).

4. The ball valve provided with the surrounding type sealing gasket according to claim 1, wherein: positioner includes four groups of third fixing base (7), four groups of fourth fixing base (8), four the equal fixed connection of third fixing base (7) is at valve body left side shell (1) outer wall, and is four groups the equal fixed connection of fourth fixing base (8) is at valve body right side shell (2) outer wall, and is four groups third fixing base (7) inner wall all is provided with pinhole (16), four groups round pin (24), four groups are led to fourth fixing base (8) towards the equal fixedly connected with of one side outer wall of valve body left side shell (1) round pin (24), four groups lead round pin (24) and four group pinhole (16) sliding connection.

5. The ball valve provided with the surrounding type sealing gasket according to claim 1, wherein: locking device includes ten a set of first fixing base (5), ten a set of second fixing base (6), eleven groups equal fixed connection of first fixing base (5) is at valve body left side shell (1) outer wall, eleven groups equal fixed connection of second fixing base (6) is at valve body right side shell (2) outer wall, eleven groups first fixing base (5) inner wall all is provided with first fixed orifices (15), eleven groups second fixing base (6) inner wall all is provided with second fixed orifices (23).

6. The ball valve provided with the surrounding type sealing gasket according to claim 1, wherein: sealing device is including stopping diarrhea ring (17), first annular seal pad (25), the sealed pad of second annular (26), it sets up between valve body left side shell (1), the right shell of valve body (2) to stop diarrhea ring (17), first annular seal pad (25) set up at valve body left side shell (1) inner wall, the sealed pad of second annular (26) sets up at valve body right side shell (2) inner wall, first annular seal pad (25), the sealed pad of second annular (26) material are the EPDM material.