CN217355585U

CN217355585U - Spherical stop valve

Info

Publication number: CN217355585U
Application number: CN202221480081.6U
Authority: CN
Inventors: 李建设; 邹康辉; 刘启伟; 马德福; 田秀龙
Original assignee: Henan Kaivalve Co ltd
Current assignee: Henan Kaivalve Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-09-02
Anticipated expiration: 2032-06-14

Abstract

The utility model discloses a spherical stop valve, which comprises a valve body, the valve body can be dismantled and be connected with the valve gap, valve gap swing joint has the valve rod, the valve rod is kept away from the one end of valve gap and can be dismantled and be connected with the valve clack, valve clack and valve body sliding connection, the valve clack rotates and is connected with the case, the case passes through the disk seat and the valve body cooperation is connected. The utility model discloses a set up the case of rotation connection to the valve clack, not only promote the sealed effect of valve through the mode that increases sealed face, produce simultaneously and corrode, wear and tear under the sealed face of case is washd by the medium, when the sealed effect of case is not enough, rotate out the intact one side of case from rotating the groove through rotating the case, can continue to carry out high-efficient sealing work, improve the life of valve; through the valve clack that the setting has the slider for the valve carries out spacing direction to the valve clack at the during operation, avoids valve clack and valve rod to produce the vibration under the medium impact, reduces the wearing and tearing of valve clack and valve rod.

Description

Spherical stop valve

Technical Field

The utility model belongs to the technical field of the stop valve, especially, relate to a spherical stop valve.

Background

The shut-off valve is also called a shut-off valve, and belongs to a forced sealing type valve, so when the valve is closed, pressure must be applied to the valve clack to force the sealing surface not to leak. However, with the continuous development of valve technology, the sealing requirement of the market for the valve is continuously increased, and the defects of the existing valve in the practical application process are also urgently needed to be perfected.

At present, the valve clack of plane or sea cone face is adopted to the opening and closing member majority of common stop valve on the market, but similar type's valve clack easily in long-term use, receives the washing away of medium to lead to sealed face to receive corruption, wearing and tearing, and then influences the sealed effect of valve, and the valve clack still can produce certain vibration under the medium impact simultaneously, and the wearing and tearing of valve rod and valve clack can aggravate equally, further reduce the life of valve.

To this end, we propose a spherical shut-off valve to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a spherical stop valve, the device can improve the sealed effect of valve through setting up spherical opening and closing piece, and the life of lift valve is promoted to spacing valve rod and the valve clack vibration of avoiding of opening and closing piece simultaneously to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a spherical stop valve, includes the valve body, the valve body can be dismantled and be connected with the valve gap, valve gap swing joint has the valve rod, the valve rod is kept away from the one end of valve gap and can be dismantled and be connected with the valve clack, valve clack and valve body sliding connection, the valve clack rotates and is connected with the case, the case passes through disk seat and valve body cooperation connection.

Furthermore, a water inlet is arranged in the horizontal direction of the valve body, a water outlet is arranged in the vertical direction of the valve body, and the water inlet and the water outlet are communicated through a valve seat.

Further, the valve clack is provided with a limiting groove, the valve rod is connected with the limiting groove in a matched mode through a limiting block, and the valve rod is close to the upper portion of the limiting block and is connected with the limiting groove through an end cover and limiting groove threads.

Further, the valve body is provided with a valve cavity, the valve cavity is provided with a sliding groove, the valve clack is symmetrically provided with sliding blocks, and the sliding blocks are connected with the sliding groove in a sliding mode.

Furthermore, the valve clack is provided with a rotating groove, the valve core is movably connected with the rotating groove, and the maximum diameter size of the valve core is larger than the opening diameter size of the rotating groove.

Furthermore, the valve seat is provided with an arc-shaped valve port, and the valve core is connected with the valve port in a matched mode through a sealing gasket.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the case of rotation connection to the valve clack, not only promote the sealed effect of valve through the mode that increases sealed face, produce simultaneously and corrode, wear and tear under the sealed face of case is washd by the medium, when the sealed effect of case is not enough, rotate out the intact one side of case from rotating the groove through rotating the case, can continue to carry out high-efficient sealing work, improve the life of valve;

2. the utility model discloses a valve clack that the setting has the slider for the valve slides through the spout in slider and the valve pocket at the during operation, valve clack, avoids valve clack and valve rod to produce the vibration under the medium strikes, reduces the wearing and tearing of valve clack and valve rod, and then the extension improves the life of valve.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is the internal structure diagram of the middle valve flap of the present invention.

In the figure: 1. a valve body; 11. a water inlet; 12. a water outlet; 13. a valve cavity; 14. a chute; 2. a valve cover; 3. a valve stem; 31. a limiting block; 32. an end cap; 4. a valve flap; 41. a limiting groove; 42. a slider; 43. a rotating groove; 5. a valve core; 6. a valve seat; 61. a valve port; 7. and a gasket.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, a spherical stop valve comprises a valve body 1, wherein the valve body 1 is detachably connected with a valve cover 2, the valve cover 2 is movably connected with a valve rod 3, it needs to be described that the valve body 1 is detachably connected with the valve cover 2 through bolts, the valve cover 2 is provided with a filler close to the inner side of the valve rod 3, the filler is made of graphite and other materials, the sealing performance between the valve rod 3 and the valve cover 2 is guaranteed, a water inlet 11 is arranged in the horizontal direction of the valve body 1, a water outlet 12 is arranged in the vertical direction of the valve body 1, and the water inlet 11 and the water outlet 12 are communicated through a valve seat 6, so that a medium flows from top to bottom in the valve body 1.

Referring to fig. 3, valve rod 3 keeps away from one end of valve gap 2 and can dismantle valve clack 4 that is connected with, it needs to notice, valve clack 4 is equipped with spacing groove 41, stopper 31 and the cooperation of spacing groove 41 of valve rod 3 through the rectangle are connected, end cover 32 and the 41 threaded connection of spacing groove are passed through to the top that valve rod 3 is close to stopper 31, wherein the one end that valve rod 3 is close to stopper 31 is equipped with the external screw thread, end cover 32 passes through the external screw thread threaded connection of internal thread and valve rod 3, spacing groove 41 is equipped with the internal thread, end cover 32 passes through the internal screw thread threaded connection of external screw thread and spacing groove 41, realize valve rod 3 and valve clack 4's linkage work.

Referring to fig. 2, the valve flap 4 is slidably connected to the valve body 1, and it should be noted that the valve body 1 is provided with a valve cavity 13, the valve flap 4 is of a cylindrical structure, the valve cavity 13 is provided with a sliding chute 14, the valve flap 4 is symmetrically provided with a sliding block 42, and the valve flap 4 is slidably connected to the sliding chute 14 through the sliding block 42 for positioning the valve flap 4, so that the valve flap 4 and the valve rod 3 are prevented from vibrating under medium impact, the abrasion of the valve flap 4 and the valve rod 3 is reduced, and the service life of the lifting device is prolonged.

Referring to fig. 3, the valve flap 4 is rotatably connected with the valve core 5, it should be noted that the valve flap 4 is provided with a rotating groove 43, the valve core 5 is movably connected with the rotating groove 43, the maximum diameter of the valve core 5 is larger than the opening diameter of the rotating groove 43, so that the valve core 5 can rotate in the rotating groove 43, when one side of the valve core 5 is corroded and worn by the medium, and the sealing surface of the valve core 5 is not enough for sealing, the intact side of the valve core 5 is rotated out from the rotating groove 43 by rotating the valve core 5, and then the efficient sealing work can be continuously performed.

Referring to fig. 2, the valve core 5 is connected with the valve body 1 through the valve seat 6 in a matching way, and the specific matching connection mode is as follows: the valve seat 6 is provided with an arc-shaped valve port 61, the valve core 5 is connected with the valve port 61 through the sealing gasket 7 in a matched mode, the sealing gasket 7 is made of common waterproof adhesive materials on the market, and can be matched with the valve core 5 to seal, and meanwhile a certain buffering effect can be generated in the process of opening and closing the valve core 5, so that the valve core 5 is prevented from being in rigid contact with the valve seat 6, and the sealing effect of the valve core 5 is guaranteed.

Now, the operation principle of the present invention is described as follows:

in the utility model, when the valve is opened, the staff drives the valve clack 4 to rise by driving the valve rod 3, at the moment, the valve clack 4 drives the valve core 5 to gradually keep away from the valve seat 6, the valve clack 4 slides through the slide block 42 and the chute 14 in the valve cavity 13, the valve clack 4 and the valve rod 3 are prevented from generating vibration under the medium impact, and the abrasion of the valve clack 4 and the valve rod 3 is reduced; when the valve is closed, the valve rod 3 is driven reversely to drive the valve clack 4 to descend until the valve core 5 is matched with the sealing gasket 7 at the position of the valve port 61, so that the closing work of the valve is realized.

When the sealing surface of the valve core 5 is corroded and abraded under the medium scouring, and the sealing effect of the valve core 5 is insufficient, the valve core 5 is rotated out of the rotating groove 43 from the intact side of the valve core 5 by rotating the valve core 5, so that the efficient sealing work can be continuously carried out, and the service life of the valve is effectively prolonged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a spherical stop valve, includes valve body (1), its characterized in that, valve body (1) can be dismantled and be connected with valve gap (2), valve gap (2) swing joint has valve rod (3), valve rod (3) are kept away from the one end of valve gap (2) and can be dismantled and be connected with valve clack (4), valve clack (4) and valve body (1) sliding connection, valve clack (4) rotate and are connected with case (5), case (5) are connected through disk seat (6) and valve body (1) cooperation.

2. The spherical stop valve according to claim 1, characterized in that a water inlet (11) is arranged in the horizontal direction of the valve body (1), a water outlet (12) is arranged in the vertical direction of the valve body (1), and the water inlet (11) and the water outlet (12) are communicated through a valve seat (6).

3. The spherical stop valve according to claim 1, characterized in that the valve clack (4) is provided with a limiting groove (41), the valve rod (3) is matched and connected with the limiting groove (41) through a limiting block (31), and the upper part of the valve rod (3) close to the limiting block (31) is in threaded connection with the limiting groove (41) through an end cover (32).

4. The spherical stop valve according to claim 1, characterized in that the valve body (1) is provided with a valve cavity (13), the valve cavity (13) is provided with a sliding groove (14), the valve flap (4) is symmetrically provided with a sliding block (42), and the sliding block (42) is slidably connected with the sliding groove (14).

5. Spherical stop valve according to claim 1, characterized in that the flap (4) is provided with a turning groove (43), the spool (5) and the turning groove (43) are movably connected, and the largest diameter dimension of the spool (5) is larger than the opening diameter dimension of the turning groove (43).

6. Spherical stop valve according to claim 1, characterized in that the valve seat (6) is provided with an arc-shaped valve port (61), and the valve core (5) is in fit connection with the valve port (61) through a gasket (7).