CN113803485A

CN113803485A - Eccentric full-bore ball valve with asymmetric sealing structure

Info

Publication number: CN113803485A
Application number: CN202110857455.5A
Authority: CN
Inventors: 不公告发明人
Original assignee: Huang Genshui
Current assignee: Huang Genshui
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-12-17

Abstract

The invention discloses an eccentric full-bore ball valve with an asymmetric sealing structure, which comprises a valve body, wherein two ends of the outer wall of the valve body are respectively provided with a sealing mechanism, the outer walls of two second flanges are tightly abutted and jointed with second rubber pads, the two second rubber pads are respectively and fixedly connected to the inner wall of a first flange, one ends of the outer walls of the two second flanges are respectively provided with a pipeline, and the inner walls of the two pipelines are communicated with the inner wall of the valve body. This asymmetric seal structure's full latus rectum ball valve of eccentricity for when first flange and second flange carried out the butt joint, the second flange can support the tight laminating with the inside first rubber pad and the second rubber pad of first flange, and then carry out double seal, can effectually avoid, fluidic leakage, make the twist grip, make the handle drive plectane and ring gear rotate, and slide through second slider and slide rail links to each other, make the pole can drive the montant and rotate, and then make the montant can drive the pivot and carry out stable rotation.

Description

Eccentric full-bore ball valve with asymmetric sealing structure

Technical Field

The invention relates to the technical field of ball valves, in particular to an eccentric full-bore ball valve with an asymmetric sealing structure.

Background

The ball valve, the opening and closing piece (spheroid) is driven by the valve stem, and the valve of making rotary motion around the ball valve axis also can be used to the regulation and the control of fluid, wherein has very strong shearing force between its V type core of hard seal V type ball valve and the metal valve seat of build-up welding carbide, is particularly useful for the medium that contains fibre, little solid particle etc..

Although current ball valve can realize regulation and control to liquid, when having present ball valve to use, with the pipeline butt joint after, through permanent use, the leakproofness can worsen, and then causes the problem of fluid leakage.

Disclosure of Invention

The invention aims to provide an eccentric full-bore ball valve with an asymmetric sealing structure, which aims to solve the problem that the existing ball valve in the background art is in butt joint with a pipeline when in use, the sealing performance is deteriorated after long-term use, and further fluid leakage is caused.

In order to achieve the purpose, the invention provides the following technical scheme: an eccentric full-bore ball valve with an asymmetric sealing structure comprises a valve body, wherein two ends of the outer wall of the valve body are respectively arranged on a sealing mechanism;

the sealing mechanism comprises a first flange, a first rubber pad, a second flange, a pipeline and a second rubber pad;

two first flanges are respectively installed at two ends of the outer wall of the valve body, two first rubber pads are fixedly connected to one end of the inner wall of each first flange, two first rubber pads are abutted to one end of the outer wall of each first flange, two second rubber pads are abutted to one end of the outer wall of each second flange, the outer walls of the second flanges are in clearance fit with the inner walls of the two first flanges respectively, and the outer walls of the second flanges are abutted to be tightly attached with second rubber pads, two second rubber pads are fixedly connected to the inner walls of the first flanges respectively and two pipelines are installed at one end of the outer walls of the second flanges respectively and are communicated with the inner walls of the valve body.

Preferably, the top of the valve body is provided with a rotating shaft.

Preferably, the two ends of the outer wall of the valve body are provided with butt joint mechanisms;

the butt joint mechanism comprises a disc, a gear ring, a gear and a bolt;

two the inner wall of disc respectively with the outer wall both ends clearance fit of valve body, two the inner wall of disc all rotates with the outer wall both ends of valve body through the bearing and links to each other, the equal rigid coupling of outer wall of disc has the ring gear, two the inner wall of ring gear all with the outer wall clearance fit of valve body, the inner wall of ring gear all meshes and links to each other a plurality of gear, it is a plurality of the equal rigid coupling of inner wall of gear has the bolt, and is a plurality of the outer wall of bolt all rotates with first flange through the bearing and links to each other, and is a plurality of the outer wall of bolt all with the inner wall clearance fit of first flange, and is a plurality of the outer wall of bolt links to each other with the screw hole screw thread of second flange.

Preferably, a plurality of handles are fixedly connected to the outer walls of the two gear rings.

Preferably, the top of the valve body is provided with a false touch prevention mechanism;

the false touch prevention mechanism comprises a box body, a through groove, a round rod, a rotary table, a vertical rod, a transverse rod, a threaded sleeve and a screw rod;

the utility model discloses a valve box, including box, box rigid coupling, bearing and box, the inner wall of box and the outer wall clearance fit of pivot, the inner wall one end processing of box has logical groove, the inner wall clearance fit of box has the round bar, the outer wall of round bar passes through the bearing and rotates with the inner wall of box and link to each other, the top of round bar is equipped with the carousel, the bottom of carousel is in the same place with the top rigid coupling of round bar, the outer wall clearance fit of round bar has the montant, the outer wall of montant and the inner wall clearance fit of box, the outer wall of montant and the inner wall clearance fit of pivot, the outer wall one end rigid coupling of montant has the horizontal pole, the outer wall of horizontal pole slides with the inner wall that leads to the groove and links to each other, the outer wall one end rigid coupling of horizontal pole has the thread bush, the inner wall screw thread of thread bush links to each other there is the screw rod, the screw rod passes through the bearing frame and links to each other with the outer wall one end rotation of box.

Preferably, a handle is fixedly connected to the bottom of the screw rod.

Preferably, the outer wall both ends of montant all the rigid coupling have first slider, two the outer wall of first slider all slides and links to each other and has first spout, two first spout is processed respectively at the inner wall both ends of pivot.

Preferably, the front end face of riser has processed the slide rail, the inner wall of slide rail slides and links to each other and has connected the second slider, second slider rigid coupling is in the front end face of the outer wall of round bar.

Compared with the prior art, the invention has the beneficial effects that: this asymmetric seal structure's full latus rectum ball valve of eccentricity through the cooperation between first rubber pad, second rubber pad, first flange and the second flange etc for when first flange and second flange butt joint, the second flange can support the tight laminating with the inside first rubber pad of first flange and second rubber pad, and then carries out double seal, can effectually avoid, fluidic leakage.

Through the handle, the plectane, the cooperation between ring gear and the gear etc, make the twist grip, make the handle drive plectane and ring gear rotate, when the ring gear rotates, can drive a plurality of gears and correspond the bolt and rotate in first flange department, and then when driving the second flange and carry out the butt joint installation with first flange, can drive a plurality of bolts in step and rotate, and then quick, carry out the screw thread with second flange and first flange and correspond, the installation of the second flange and first flange of being convenient for.

Through the screw rod, the round bar, cooperation between carousel and the montant etc, make to rotate the handle, make the handle can drive the screw rod and rotate, when the screw rod rotates, slide through horizontal pole and logical groove links to each other, drive the thread bush, horizontal pole and montant etc, the outer wall at the round bar rises, and then make the montant drive the inner wall separation of first slider and pivot and first spout, the cancellation is connected, make when the carousel accident rotates, the carousel only can drive montant and round bar and carry out the rotation, can't drive the pivot and rotate, can effectually avoid the mistake to touch, and then cause inconvenience.

Through the cooperation between first slider, first spout, second slider and the slide rail etc. for the slip through first slider and first spout links to each other, makes the montant can drive the pivot and carry out stable rotation, and links to each other through the slip of second slider and slide rail, makes the round bar can drive the montant and rotate, and then makes the montant can drive the pivot and carry out stable rotation.

Drawings

FIG. 1 is a schematic diagram of the connection relationship of the present invention;

FIG. 2 is a schematic structural view of the tank and the first flange, etc. of FIG. 1;

FIG. 3 is a schematic structural view of the first rubber pad, the second flange, the pipeline and the like in FIG. 2;

FIG. 4 is a schematic structural view of the valve body and the box body, etc. in FIG. 2;

FIG. 5 is a schematic structural diagram of the first slide block, the first slide groove and the like in FIG. 2;

fig. 6 is a schematic structural view of the thread bush and the handle, etc. of fig. 2.

In the figure: 1. valve body, 2, pivot, 3, handle, 4, first spout, 5, first slider, 6, slide rail, 7, sealing mechanism, 701, first flange, 702, first rubber pad, 703, second flange, 704, pipeline, 705, second rubber pad, 8, docking mechanism, 801, disc, 802, ring gear, 803, gear, 804, bolt, 9, prevent mistake and touch mechanism, 901, box, 902, logical groove, 903, round bar, 904, carousel, 905, montant, 906, horizontal pole, 907, thread bush, 908, screw rod, 10, second slider, 11, handle.

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. 1-6, the present invention provides a technical solution: an eccentric full-bore ball valve with an asymmetric sealing structure comprises a valve body 1, wherein two ends of the outer wall of the valve body 1 are respectively arranged on a sealing mechanism 7, the sealing mechanism 7 comprises a first flange 701, a first rubber pad 702, a second flange 703, a pipeline 704 and a second rubber pad 705, the two first flanges 701 are respectively arranged at two ends of the outer wall of the valve body 1, one end of the inner wall of each first flange 701 is fixedly connected with the first rubber pad 702, one end of the outer wall of each first rubber pad 702 is abutted against one end of the outer wall of each second flange 703, so that the first rubber pads 702 can carry out first resealing on the first flange 701 and the second flange 703, the outer walls of the two second flanges 703 are respectively in clearance fit with the inner walls of the two first flanges 701, the outer walls of the two second flanges 703 are abutted against and attached with the second rubber pads 705, and the second rubber pads 705 are used for carrying out second resealing on the first flange 701 and the second flange 703, the two second rubber pads 705 are respectively and fixedly connected to the inner wall of the first flange 701, one ends of the outer walls of the two second flanges 703 are respectively provided with a pipeline 704, the inner walls of the two pipelines 704 are communicated with the inner wall of the valve body 1, and the top of the valve body 1 is provided with a rotating shaft 2;

through the cooperation between first rubber pad, second rubber pad, first flange and the second flange etc for when first flange docks with the second flange, the second flange can support tightly the laminating with the inside first rubber pad and the second rubber pad of first flange, and then carries out double seal, can effectually avoid, fluidic leakage.

The two ends of the outer wall of the valve body 1 are respectively provided with a butt joint mechanism 8, the butt joint mechanisms 8 comprise a disc 801, a gear ring 802, gears 803 and bolts 804, the inner walls of the two discs 801 are respectively in clearance fit with the two ends of the outer wall of the valve body 1, the inner walls of the two discs 801 are respectively connected with the two ends of the outer wall of the valve body 1 through bearings in a rotating manner, so that the disc 801 can rotate at the valve body 1, the outer wall of the disc 801 is fixedly connected with the gear ring 802, so that the disc 801 can drive the gear ring 802 to rotate, the inner walls of the two gear rings 802 are respectively in clearance fit with the outer wall of the valve body 1, the inner walls of the gear rings 802 are respectively connected with the gears 803 in a meshing manner, so that the gear ring 802 can drive the gears 803 to rotate, the inner walls of the gears 803 are fixedly connected with the bolts 804, so that the gears 803 can drive the screw 804 to rotate, the outer walls of the bolts 804 are respectively connected with the first flange 701 through bearings in a rotating manner, the outer walls of the bolts 804 are in clearance fit with the inner wall of the first flange 701, the outer walls of the bolts 804 are in threaded connection with the threaded holes of the second flange 703, the outer walls of the two gear rings 802 are fixedly connected with a plurality of handles 3, and the handles 3 are used for driving the gear rings 802 to rotate;

The top of the valve body 1 is provided with an anti-false-touch mechanism 9, the anti-false-touch mechanism 9 comprises a box body 901, a through groove 902, a round rod 903, a rotary table 904, a vertical rod 905, a cross rod 906, a threaded sleeve 907 and a screw 908, the box body 901 is fixedly connected to the top of the valve body 1, the inner wall of the box body 901 is in clearance fit with the outer wall of the rotating shaft 2, one end of the inner wall of the box body 901 is provided with the through groove 902, the inner wall of the box body 901 is in clearance fit with the round rod 903, the outer wall of the round rod 903 is rotatably connected with the inner wall of the box body 901 through a bearing, so that the round rod 903 can rotate at the box body 901, the top of the round rod 903 is provided with the rotary table 904, the rotary table 904 is used for driving the round rod 903 to rotate, the bottom of the rotary table 904 is fixedly connected with the top of the round rod 903, the outer wall of the round rod 903 is in clearance fit with the vertical rod 905, so that the vertical rod 905 can lift on the outer wall of the round rod 903, the outer wall of the vertical rod 905 is in clearance fit with the inner wall of the box body 901, the outer wall of the vertical rod 905 is in clearance fit with the inner wall of the rotating shaft 2, a cross bar 906 is fixedly connected to one end of the outer wall of a vertical bar 905, the outer wall of the cross bar 906 is slidably connected to the inner wall of the through groove 902, a threaded sleeve 907 is fixedly connected to one end of the outer wall of the cross bar 906, the threaded sleeve 907 is used for driving the cross bar 906 to perform lifting motion, a screw 908 is connected to the inner wall of the threaded sleeve 907 in a threaded manner, the screw 908 is rotatably connected to one end of the outer wall of the box 901 through a bearing seat, a handle 11 is fixedly connected to the bottom of the screw 908, the handle 11 is identical to the screw 908 in rotation, first sliding blocks 5 are fixedly connected to two ends of the outer wall of the vertical bar 905, first sliding grooves 4 are respectively connected to the outer walls of the two first sliding blocks 5 in a sliding manner, the first sliding blocks 5 are slidably connected to the first sliding grooves 4, the vertical bar 905 can drive the rotating shaft 2 to rotate, the two first sliding grooves 4 are respectively formed at two ends of the inner wall of the rotating shaft 2, and sliding rails 6 are formed on the front end faces of the vertical plates 905, the inner wall of the sliding rail 6 is connected with a second sliding block 10 in a sliding manner, and the second sliding block 10 is fixedly connected to the front end face of the outer wall of the round rod 903, so that the vertical rod 905 can perform stable lifting motion on the outer wall of the round rod 903;

through the cooperation between the screw rod, the round rod, the rotary disc, the vertical rod and the like, the handle is rotated, the handle can drive the screw rod to rotate, when the screw rod rotates, the screw rod is connected with the through groove in a sliding manner through the transverse rod, the threaded sleeve, the transverse rod, the vertical rod and the like are driven, the outer wall of the round rod ascends, the vertical rod further drives the first sliding block to be separated from the inner wall of the rotating shaft and the inner wall of the first sliding groove, the connection is cancelled, when the rotary disc rotates accidentally, the rotary disc can only drive the vertical rod and the round rod to rotate, the rotating shaft cannot be driven to rotate, the accidental touch can be effectively avoided, and further inconvenience is caused;

When the eccentric full-bore ball valve with the asymmetric sealing structure is used, when the first flange 701 is butted with the second flange 703, the second flange 703 can be abutted against and jointed with the first rubber pad 702 and the second rubber pad 705 inside the first flange 701, so that double sealing can be performed, leakage of fluid can be effectively avoided, the handle 3 can be rotated, the handle 3 can drive the circular plate 801 and the gear ring 802 to rotate, when the gear ring 802 rotates, the plurality of gears 803 and the corresponding bolts 804 can be driven to rotate at the first flange 701, so that when the second flange 701 is butted with the first flange 703, the plurality of bolts 804 can be synchronously driven to rotate, so that the second flange 703 is in threaded correspondence with the first flange 701 quickly, the second flange 703 is convenient to be installed with the first flange 701, the handle 11 can be rotated, so that the handle 11 can drive the screw 908 to rotate, screw 908 when rotating, slide through horizontal pole 906 and logical groove 902 links to each other, drive thread bush 907, horizontal pole 906 and montant 905 etc, go up at the outer wall of round bar 903, and then make montant 905 drive the inner wall separation of the inner wall of first slider 5 and pivot 2 and first spout 4, the cancellation is connected, make when carousel 904 unexpected the rotation, carousel 904 only can drive montant 905 and round bar 903 and carry out the rotation, can't drive pivot 2 and rotate, can effectually avoid the mistake to touch, and then cause inconvenience.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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. The utility model provides an asymmetric seal structure's eccentric full latus rectum ball valve, includes valve body (1), its characterized in that: both ends of the outer wall of the valve body (1) are arranged on the sealing mechanism (7);

the sealing mechanism (7) comprises a first flange (701), a first rubber pad (702), a second flange (703), a pipeline (704) and a second rubber pad (705);

two first flanges (701) are respectively installed at two ends of the outer wall of the valve body (1), two first rubber pads (702) are fixedly connected to one end of the inner wall of each first flange (701), two first rubber pads (702) are respectively abutted to one end of the outer wall of each second flange (703), two second rubber pads (705) are respectively and fixedly connected to the inner wall of each first flange (701) in a clearance fit manner, two second rubber pads (705) are respectively abutted to one end of the outer wall of each second flange (703), two second rubber pads (705) are respectively and fixedly connected to the inner wall of each first flange (701), two pipelines (704) are respectively installed at one end of the outer wall of each second flange (703), and two pipelines (704) are respectively communicated with the inner wall of the valve body (1).

2. The eccentric full-bore ball valve with the asymmetric sealing structure according to claim 1, wherein: and a rotating shaft (2) is installed at the top of the valve body (1).

3. The eccentric full-bore ball valve with the asymmetric sealing structure according to claim 1, wherein: the two ends of the outer wall of the valve body (1) are provided with butt joint mechanisms (8);

the butt joint mechanism (8) comprises a disc (801), a gear ring (802), a gear (803) and a bolt (804);

two the inner wall of disc (801) is respectively with the outer wall both ends clearance fit of valve body (1), two the inner wall of disc (801) all rotates through the outer wall both ends of bearing and valve body (1) and links to each other, the equal rigid coupling of outer wall of disc (801) has ring gear (802), two the inner wall of ring gear (802) all with the outer wall clearance fit of valve body (1), the inner wall of ring gear (802) all meshes and links to each other has a plurality of gears (803), and is a plurality of the equal rigid coupling of inner wall of gear (803) has bolt (804), and is a plurality of the outer wall of bolt (804) all rotates through bearing and first flange (701) and links to each other, and is a plurality of the outer wall of bolt (804) all with the inner wall clearance fit of first flange (701), and is a plurality of the outer wall of bolt (804) links to each other with the screw hole screw thread of second flange (703).

4. The eccentric full-bore ball valve with the asymmetric sealing structure according to claim 3, wherein: the outer wall of the two gear rings (802) is fixedly connected with a plurality of handles (3).

5. The eccentric full-bore ball valve with the asymmetric sealing structure according to claim 1, wherein: the top of the valve body (1) is provided with a false touch prevention mechanism (9);

the false touch prevention mechanism (9) comprises a box body (901), a through groove (902), a round rod (903), a rotary disc (904), a vertical rod (905), a cross rod (906), a threaded sleeve (907) and a screw rod (908);

the box body (901) is fixedly connected to the top of the valve body (1), the inner wall of the box body (901) is in clearance fit with the outer wall of the rotating shaft (2), a through groove (902) is processed at one end of the inner wall of the box body (901), a round rod (903) is in clearance fit with the inner wall of the box body (901), the outer wall of the round rod (903) is rotatably connected with the inner wall of the box body (901) through a bearing, a rotating disc (904) is arranged at the top of the round rod (903), the bottom of the rotating disc (904) is fixedly connected with the top of the round rod (903), a vertical rod (905) is in clearance fit with the outer wall of the round rod (903), the outer wall of the vertical rod (905) is in clearance fit with the inner wall of the box body (901), the outer wall of the vertical rod (905) is in clearance fit with the inner wall of the rotating shaft (2), a cross rod (906) is fixedly connected to one end of the outer wall of the vertical rod (905), and the outer wall of the cross rod (906) is slidably connected with the inner wall of the through groove (902), one end of the outer wall of the cross rod (906) is fixedly connected with a threaded sleeve (907), the inner wall of the threaded sleeve (907) is connected with a screw rod (908) in a threaded manner, and the screw rod (908) is rotatably connected with one end of the outer wall of the box body (901) through a bearing seat.

6. The eccentric full-bore ball valve with the asymmetric sealing structure according to claim 5, wherein: the bottom of the screw rod (908) is fixedly connected with a handle (11).

7. The eccentric full-bore ball valve with the asymmetric sealing structure according to claim 5, wherein: the outer wall both ends of montant (905) all the rigid coupling have first slider (5), two the outer wall of first slider (5) all slides and links to each other has first spout (4), two first spout (4) are processed respectively at the inner wall both ends of pivot (2).

8. The eccentric full-bore ball valve with the asymmetric sealing structure according to claim 5, wherein: slide rail (6) have been processed to the preceding terminal surface of riser (905), the inner wall of slide rail (6) slides and links to each other has second slider (10), terminal surface before the outer wall of second slider (10) rigid coupling in round bar (903).