CN210265973U - Two-way sealing V-shaped ball valve - Google Patents

Two-way sealing V-shaped ball valve Download PDF

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Publication number
CN210265973U
CN210265973U CN201921044999.4U CN201921044999U CN210265973U CN 210265973 U CN210265973 U CN 210265973U CN 201921044999 U CN201921044999 U CN 201921044999U CN 210265973 U CN210265973 U CN 210265973U
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China
Prior art keywords
valve
valve body
shaped ball
shaped
sealing
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CN201921044999.4U
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Chinese (zh)
Inventor
郑忠兴
祁欢
余孙杰
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Zhejiang Xinou Automatic Control Instrument Co ltd
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Zhejiang Xinou Automatic Control Instrument Co ltd
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Abstract

The utility model discloses a two-way seal V type ball valve, concretely relates to V type ball valve field, including valve body, V type spheroid, disk seat and pressure cover, the inside of valve body is provided with mobile cavity, one side of valve body is provided with presses the cover, press the inboard of cover to install the disk seat, the sealed face and the spheroidal sphere cooperation of V type of disk seat one side, be provided with the piston in the recess between disk seat and the pressure cover, both ends all are provided with the spring hole about the piston, the downthehole spring that is provided with of spring, two the one end of spring sets up respectively on disk seat and pressure cover, the outside of piston encircles and is provided with U type groove, U type inslot is provided with first O type sealing washer. The utility model discloses a be provided with piston, spring hole, spring, U type groove and first O type sealing washer between pressure cover and disk seat, can avoid the medium to reveal from the disk seat, first O type sealing washer is provided with two moreover, and double sealing makes sealed effect better.

Description

Two-way sealing V-shaped ball valve
Technical Field
The utility model relates to a V type ball valve technical field, more specifically say, the utility model relates to a two-way seal V type ball valve.
Background
The V-shaped ball valve is a valve in which an opening and closing part (a V-shaped ball body) is driven by a valve rod and rotates around the axis of the ball valve, and the V-shaped adjusting ball valve increases the opening degree of an adjusting flow passage on the basis of the ball valve to realize the function of flow change, so that the function of the V-shaped ball valve can be diversified. The V-shaped ball valve is suitable for frequent operation, is rapid and light to open and close, has small fluid resistance, simple structure, relatively small volume, light weight, convenient maintenance, good sealing performance, no limitation of installation direction, random flow direction of a medium, no vibration and small noise.
When the V-shaped ball valve is used, blocking impurities are blocked at the sealing position of the V-shaped ball body and the valve seat, so that the blocking of the opening and closing of the valve is caused, and a sealing surface can be damaged.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a two-way seal V type ball valve through being provided with piston, spring hole, spring, U type groove and first O type sealing washer between pressure cover and disk seat, can avoid the medium to reveal from the disk seat, and first O type sealing washer is provided with two moreover, and double sealing makes sealed effect better.
In order to achieve the above object, the utility model provides a following technical scheme: a two-way sealing V-shaped ball valve comprises a valve body, a V-shaped ball body, a valve seat and a pressing sleeve, wherein a flow cavity is arranged inside the valve body, the V-shaped ball body is arranged in the flow cavity inside the valve body, the upper end of the V-shaped ball body is fixedly connected with an upper valve rod, the lower end of the V-shaped ball body is fixedly connected with a lower valve rod, the upper valve rod and the lower valve rod are both arranged in the valve body, one side of the valve body is provided with the pressing sleeve, the valve seat is arranged on the inner side of the pressing sleeve, a sealing surface on one side of the valve seat is matched with the spherical surface of the V-shaped ball body, a piston is arranged in a groove between the valve seat and the pressing sleeve, spring holes are respectively arranged at the left end and the right end of the piston, springs are respectively arranged on the valve seat and the pressing sleeve, a U-shaped groove, the upper end of the valve body is provided with a filler, the outer side of the filler is provided with a filler box, the upper end of the filler box is provided with a filler gland, one ends of the filler box and the filler gland are fixed to the upper end of the valve body through hexagon nuts, the other end of the filler box is fixedly connected with the valve body through hexagon socket head cap screws, the inner side of the bottom end of the filler box is provided with a second O-shaped sealing ring, the outer side of the upper end of the filler box is provided with a third O-shaped sealing ring, and the lower end of the valve body is provided.
In a preferred embodiment, the top end of the valve body is fixedly connected with a bracket through a hexagonal nut.
In a preferred embodiment, the top end of the valve body is provided with a coupling sleeve.
In a preferred embodiment, the pressing sleeve is fixedly arranged on the valve body through a socket head cap screw.
In a preferred embodiment, the bottom cover is fixedly arranged at the bottom end of the valve body through a socket head cap screw.
In a preferred embodiment, a sealing ring is arranged at the joint of the bottom cover and the valve body.
In a preferred embodiment, the V-shaped sphere has a horizontally disposed through hole in its center.
In a preferred embodiment, the upper and lower valve stems are provided with self-lubricating bearings where they contact the flow chamber inside the valve body.
The utility model discloses a technological effect and advantage:
1. the utility model has the advantages that the piston, the spring hole, the spring, the U-shaped groove and the first O-shaped sealing ring are arranged between the pressing sleeve and the valve seat, so that the leakage of the medium from the valve seat can be avoided, and the first O-shaped sealing ring is provided with two, so that the sealing effect is better due to double sealing;
2. the utility model discloses a be provided with gland, second O type sealing washer and third O type sealing washer, gland and gland adopt hexagon nut fixed, are suitable for all-weather operating mode, even if use under the sand blown by the wind environment, can not get into the inside or sealed position of valve body yet.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.
Fig. 3 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.
Fig. 4 is an enlarged schematic view of the structure at C in fig. 1 according to the present invention.
The reference signs are: the sealing device comprises a socket head cap screw 1, a bottom cap 2, a sealing ring 3, a lower valve rod 4, a valve body 5, a third O-shaped sealing ring 6, a pressing sleeve 7, a spring 8, a piston 9, a first O-shaped sealing ring 10, a V-shaped ball 11, a valve seat 12, an upper valve rod 13, a second O-shaped sealing ring 14, packing 15, a packing box 16, a packing pressing cover 17, a hexagon nut 18, a support 19 and a connecting shaft sleeve 20.
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.
According to the fig. 1-4, a two-way sealing V-shaped ball valve comprises a valve body 5, a V-shaped ball 11, a valve seat 12 and a pressing sleeve 7, wherein a flow cavity is arranged inside the valve body 5, the V-shaped ball 11 is arranged inside the flow cavity inside the valve body 5, an upper valve rod 13 is fixedly connected to the upper end of the V-shaped ball 11, a lower valve rod 4 is fixedly connected to the lower end of the V-shaped ball 11, the upper valve rod 13 and the lower valve rod 4 are both arranged inside the valve body 5, the pressing sleeve 7 is arranged on one side of the valve body 5, the valve seat 12 is arranged on the inner side of the pressing sleeve 7, a sealing surface on one side of the valve seat 12 is matched with a spherical surface of the V-shaped ball 11, a piston 9 is arranged in a groove between the valve seat 12 and the pressing sleeve 7, spring holes are arranged on both the left end and the right end of the piston 9, springs 8 are arranged, the outer side of the piston 9 is provided with a U-shaped groove in a surrounding manner, a first O-shaped sealing ring 10 is arranged in the U-shaped groove, a packing 15 is arranged at the upper end of the valve body 5, a packing box 16 is arranged on the outer side of the packing 15, a packing gland 17 is arranged at the upper end of the packing box 16, one end of the packing box 16 and one end of the packing gland 17 are fixed with the upper end of the valve body 5 through a hexagon nut 18, the other end of the packing box 16 is fixedly connected with the valve body 5 through a hexagon socket head cap screw 1, a second O-shaped sealing ring 14 is arranged on the inner side of the bottom end of the packing box 16, a third O-shaped sealing ring 6 is arranged on the outer side of the upper.
Further, the top end of the valve body 5 is fixedly connected with a bracket 19 through a hexagonal nut 18.
Further, a coupling sleeve 20 is arranged at the top end of the valve body 5.
Further, the pressing sleeve 7 is fixedly arranged on the valve body 5 through the socket head cap screw 1.
Further, the bottom cover 2 is fixedly arranged at the bottom end of the valve body 5 through a socket head cap screw 1.
Further, a sealing ring 3 is arranged at the joint of the bottom cover 2 and the valve body 5.
Further, a through hole is horizontally arranged in the center of the V-shaped sphere 11.
Furthermore, the contact part of the upper valve rod 13 and the lower valve rod 4 with the flowing cavity inside the valve body 5 is provided with a self-lubricating bearing, the self-lubricating bearing is additionally arranged, the opening and closing performance is stable and reliable, the abrasion is small, the friction is small, the torque is light, and the inconvenience caused by the lubrication with the bearing is reduced.
The utility model discloses the theory of operation: through be provided with piston 9 between pressure cover 7 and disk seat 12, the spring hole, spring 8, U type groove and first O type sealing washer 10, can avoid the medium to reveal from disk seat 12, and first O type sealing washer 10 is provided with two, double sealing makes sealed effect better, through being provided with stuffing box 16, gland 17, second O type sealing washer 14 and third O type sealing washer 6, stuffing box 16 and gland 17 adopt hexagon nut 18 to fix, be suitable for all-weather operating mode, even if use under the sand wind environment, can not get into the inside or the sealed position of valve body 5 yet, it is effectual to seal the upper end of valve body 5, the bottom of valve body 5 is provided with bottom 2, the junction of bottom 2 and valve body 5 is provided with sealing washer 3, it is effectual to seal the bottom of valve body 5.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a two-way seal V type ball valve, includes valve body (5), V type spheroid (11), disk seat (12) and pressure cover (7), its characterized in that: the valve is characterized in that a flow cavity is arranged in the valve body (5), the V-shaped ball body (11) is arranged in the flow cavity in the valve body (5), the upper end of the V-shaped ball body (11) is fixedly connected with an upper valve rod (13), the lower end of the V-shaped ball body (11) is fixedly connected with a lower valve rod (4), the upper valve rod (13) and the lower valve rod (4) are both arranged in the valve body (5), a pressing sleeve (7) is arranged on one side of the valve body (5), a valve seat (12) is arranged on the inner side of the pressing sleeve (7), a sealing surface on one side of the valve seat (12) is matched with the spherical surface of the V-shaped ball body (11), a piston (9) is arranged in a groove between the valve seat (12) and the pressing sleeve (7), spring holes are respectively formed in the left end and the right end of the piston (9), springs (8) are arranged in the spring holes, one end of each spring (8), the outer side of the piston (9) is provided with a U-shaped groove in a surrounding mode, a first O-shaped sealing ring (10) is arranged in the U-shaped groove, a packing (15) is arranged at the upper end of the valve body (5), a packing box (16) is arranged on the outer side of the packing (15), a packing gland (17) is arranged at the upper end of the packing box (16), one ends of the packing box (16) and the packing gland (17) are fixed to the upper end of the valve body (5) through a hexagon nut (18), the other end of the packing box (16) is fixedly connected with the valve body (5) through an inner hexagon screw (1), a second O-shaped sealing ring (14) is arranged on the inner side of the bottom end of the packing box (16), a third O-shaped sealing ring (6) is arranged on the outer side of the upper end of the packing box (16), and a.
2. A bi-directional sealing V-shaped ball valve according to claim 1, wherein: the top end of the valve body (5) is fixedly connected with a support (19) through a hexagonal nut (18).
3. A bi-directional sealing V-shaped ball valve according to claim 1, wherein: the top end of the valve body (5) is provided with a coupling sleeve (20).
4. A bi-directional sealing V-shaped ball valve according to claim 1, wherein: the pressing sleeve (7) is fixedly arranged on the valve body (5) through an inner hexagon screw (1).
5. A bi-directional sealing V-shaped ball valve according to claim 1, wherein: the bottom cover (2) is fixedly arranged at the bottom end of the valve body (5) through an inner hexagon screw (1).
6. A bi-directional sealing V-shaped ball valve according to claim 1, wherein: and a sealing ring (3) is arranged at the joint of the bottom cover (2) and the valve body (5).
7. A bi-directional sealing V-shaped ball valve according to claim 1, wherein: the center of the V-shaped ball body (11) is provided with a through hole which is horizontally arranged.
8. A bi-directional sealing V-shaped ball valve according to claim 1, wherein: and self-lubricating bearings are arranged at the contact positions of the upper valve rod (13) and the lower valve rod (4) and the flow cavity inside the valve body (5).
CN201921044999.4U 2019-07-05 2019-07-05 Two-way sealing V-shaped ball valve Active CN210265973U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921044999.4U CN210265973U (en) 2019-07-05 2019-07-05 Two-way sealing V-shaped ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921044999.4U CN210265973U (en) 2019-07-05 2019-07-05 Two-way sealing V-shaped ball valve

Publications (1)

Publication Number Publication Date
CN210265973U true CN210265973U (en) 2020-04-07

Family

ID=70047406

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921044999.4U Active CN210265973U (en) 2019-07-05 2019-07-05 Two-way sealing V-shaped ball valve

Country Status (1)

Country Link
CN (1) CN210265973U (en)

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