CN211501728U

CN211501728U - Double-shaft flange type ball valve

Info

Publication number: CN211501728U
Application number: CN202020005758.5U
Authority: CN
Inventors: 王雪
Original assignee: Tianjin Dingjin Valve Co ltd
Current assignee: Tianjin Dingjin Valve Co ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-09-15
Anticipated expiration: 2030-01-03

Abstract

The utility model discloses a biax flange formula ball valve, which comprises a valve body, the both ends difference first ring flange of fixedly connected with and the second ring flange of valve body, the valve core ball is installed at the center of valve body, the round hole has been seted up at the center of valve core ball, the rubber seal who corresponds with the valve core ball is all installed to the both sides at valve body center, first valve rod and second valve rod are installed respectively to the center of valve core ball top and bottom, the equal fixedly connected with fixed inserted block of the one end that first valve rod and second valve rod are relative, the equal fixedly connected with in center of valve body top and bottom and the connecting seat that first valve rod and second valve rod are corresponding. The utility model discloses in, this biax flange formula ball valve not only design has sealing mechanism, has still designed the synchronous revolution mechanic of biax, both can realize sealed effect, also can make simultaneously that we are more laborsaving and smooth open and close this valve, and work efficiency improves greatly, is worth wideling popularize.

Description

Double-shaft flange type ball valve

Technical Field

The utility model relates to a ball valve equipment technical field especially relates to a biax flange formula ball valve.

Background

The ball valve is generally defined as a valve with an opening and closing part (ball body) driven by a valve rod and rotating around the axis of the ball valve, and can also be used for regulating and controlling fluid, wherein a V-shaped core of a hard seal V-shaped ball valve has strong shearing force with a metal valve seat of a build-up welding hard alloy, and is particularly suitable for media containing fibers, tiny solid particles and the like, a multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the media on a pipeline, and simultaneously can close any channel to connect the other two channels, the valve of the type is generally horizontally arranged in the pipeline, the ball valves are classified into a pneumatic ball valve, an electric ball valve and a manual ball valve, and the ball valves are widely applied to industries of petroleum refining, long-distance pipelines, paper making, pharmacy, chemical engineering, electric power, municipal administration, steel and the like in China and hold a great position in national economy, the ball valve has 90-degree rotation, the cock body is a sphere, a circular through hole or a channel passes through the axis of the cock body, the ball valve is mainly used for cutting, distributing and changing the flowing direction of a medium in a pipeline, the ball valve can be tightly closed only by 90-degree rotation operation and small rotation torque, and the ball valve is most suitable for being used as a switch and a cut-off valve and is a V-shaped ball valve.

The ball valve is one of valve bodies which are most widely used in daily life and industry, and is widely applied to various industrial fields due to excellent performance of the ball valve, but the existing ball valve in the current market has certain defects and unreasonable structural design, so that labor is wasted in the using process, the ball valve frequently breaks down, and the service life is short.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a double-shaft flange type ball valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a double-shaft flange type ball valve comprises a valve body, wherein a first flange plate and a second flange plate are fixedly connected to two ends of the valve body respectively, a valve core ball is mounted at the center of the valve body, a round hole is formed in the center of the valve core ball, rubber sealing rings corresponding to the valve core ball are mounted on two sides of the center of the valve body respectively, a first valve rod and a second valve rod are mounted at the centers of the top and the bottom of the valve core ball respectively, a fixing insertion block is fixedly connected to one end, opposite to the first valve rod and the second valve rod, of the valve body, O-shaped rings corresponding to the first valve rod and the second valve rod are mounted at the top and the bottom of the center of the valve body respectively, connecting seats corresponding to the first valve rod and the second valve rod are fixedly connected to the centers of the top and the bottom of the valve body respectively, and a first fixing block and a second fixing block are fixedly connected, one side of the outer walls of the first fixing block and the second fixing block is fixedly connected with a first wrench rod and a second wrench rod respectively.

As a further description of the above technical solution:

the first flange plate, the second flange plate and the valve body are cast into an integrally formed structure.

As a further description of the above technical solution:

and water inlets corresponding to the round holes are formed in the two ends of the center of the valve body.

As a further description of the above technical solution:

the valve core ball top and the center of bottom all seted up with the corresponding constant head tank of fixed inserted block, and two fixed inserted block all alternates the constant head tank and extends to its center.

As a further description of the above technical solution:

the fixed insert block and the positioning groove are arranged in a cross structure.

As a further description of the above technical solution:

the outer walls of the first wrench rod and the second wrench rod far away from the first fixing block and the second fixing block are respectively sleeved with an anti-slip sleeve.

The utility model discloses following beneficial effect has: 1. the utility model provides a biax flange formula ball valve compares with traditional device, the device simple structure, convenient and practical under the condition that does not change current ball valve global design structure, through designing biax structure, can make the start-up that we are more smooth or close the case, greatly reduced the fault rate, also prolonged the life of valve body simultaneously.

2. Compared with the traditional device, the device has great innovation and improvement in structure and design, the double-shaft flange type ball valve is not only designed with a sealing mechanism, but also designed with a double-shaft synchronous rotating structure, sealing effect can be achieved, meanwhile, the valve can be opened and closed more easily and smoothly, working efficiency is greatly improved, and the device is worth popularizing.

Drawings

Fig. 1 is a front view structural diagram of a double-shaft flange type ball valve provided by the utility model;

fig. 2 is a schematic view of an internal structure of a double-shaft flange-type ball valve provided by the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. a valve body; 2. a first flange plate; 3. a second flange plate; 4. a valve core ball; 5. a circular hole; 6. a rubber seal ring; 7. a water inlet; 8. a first valve stem; 9. a second valve stem; 10. fixing the insert block; 11. positioning a groove; 12. an O-shaped ring; 13. a connecting seat; 14. a first fixed block; 15. a second fixed block; 16. a first wrench rod; 17. a second wrench rod; 18. an anti-slip sleeve.

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. 1-3, the present invention provides an embodiment: a double-shaft flange type ball valve comprises a valve body 1, wherein two ends of the valve body 1 are fixedly connected with a first flange 2 and a second flange 3 respectively, a valve core ball 4 is arranged at the center of the valve body 1, a round hole 5 is formed in the center of the valve core ball 4, rubber sealing rings 6 corresponding to the valve core ball 4 are arranged on two sides of the center of the valve body 1 respectively, a first valve rod 8 and a second valve rod 9 are arranged at the centers of the top and the bottom of the valve core ball 4 respectively, one ends, opposite to the first valve rod 8 and the second valve rod 9, of the first valve rod 8 are fixedly connected with a fixed inserting block 10, O-shaped rings 12 corresponding to the first valve rod 8 and the second valve rod 9 are arranged at the top and the bottom of the center of the valve body 1 respectively, connecting seats 13 corresponding to the first valve rod 8 and the second valve rod 9 are fixedly connected with the centers of the top and the bottom of the valve body 1 respectively, one ends, far away, one side of the outer wall of the first fixing block 14 and one side of the outer wall of the second fixing block 15 are fixedly connected with a first wrench rod 16 and a second wrench rod 17 respectively.

First ring flange 2 and second ring flange 3 form for the casting of integrated into one piece structure with valve body 1, and its structure of first ring flange 2 and second ring flange 3 and valve body 1 that the casting of integrated into one piece structure formed is more firm, can not take place easily to damage.

And water inlets 7 corresponding to the round holes 5 are arranged at the two ends of the center of the valve body 1.

The constant head tank 11 corresponding with fixed inserted block 10 has all been seted up at the center of 4 tops of valve core ball and bottom, and two fixed inserted blocks 10 all alternate constant head tank 11 and extend to its center, all alternate constant head tank 11 and extend to its center through two fixed inserted blocks 10 to realize two fixed inserted blocks 10 and the mutual block of constant head tank 11, thereby realize fixing with it.

The fixed insert 10 and the positioning groove 11 are both arranged in a cross structure, and the fixed insert 10 and the positioning groove 11 which are arranged in the cross structure can play a role in fixing and can also play a role in transverse limiting, so that the valve core ball 4 can be driven to rotate by rotating the two fixed inserts 10.

The outer walls of the first wrench rod 16 and the second wrench rod 17 far away from the first fixing block 14 and the second fixing block 15 are sleeved with anti-skidding sleeves 18.

The working principle is as follows: the utility model provides a biax flange formula ball valve has great improvement innovation with traditional device, when using this biax flange formula ball valve, we can be connected with the pipeline through first ring flange 2 and second ring flange 3 at its both ends with valve body 1, when needing to close or open this valve, we only need to grasp first wrench rod 16 and second wrench rod 17 simultaneously with two hands, then pull simultaneously can, when pulling, first wrench rod 16 and second wrench rod 17 can drive first fixed block 14 and second fixed block 15 and first valve rod 8 and second valve rod 9 simultaneously and rotate, and the relative one end of first valve rod 8 and second valve rod 9 all fixedly connected with fixed inserted block 10, and fixed inserted block 10 all is the cross structure setting with constant head tank 11, fixed inserted block 10 and constant head tank 11 that the cross structure set up both can play the fixed action, meanwhile, the valve also has a transverse limiting effect, so that the valve core ball 4 can be driven to synchronously rotate by rotating the two fixed inserting blocks 10, and the valve can be closed or opened.

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. The utility model provides a biax flange formula ball valve, includes valve body (1), its characterized in that: the two ends of the valve body (1) are fixedly connected with a first flange plate (2) and a second flange plate (3) respectively, a valve core ball (4) is installed at the center of the valve body (1), a round hole (5) is formed in the center of the valve core ball (4), rubber sealing rings (6) corresponding to the valve core ball (4) are installed on the two sides of the center of the valve body (1), a first valve rod (8) and a second valve rod (9) are installed at the centers of the top and the bottom of the valve core ball (4) respectively, a fixed insert block (10) is fixedly connected at one end, opposite to the first valve rod (8) and the second valve rod (9), O-shaped rings (12) corresponding to the first valve rod (8) and the second valve rod (9) are installed at the top and the bottom of the center of the valve body (1), connecting seats (13) corresponding to the first valve rod (8) and the second valve rod (9) are fixedly connected at the centers of the top and the bottom of the, one end of the valve body (1) is kept away from to first valve rod (8) and second valve rod (9) is fixedly connected with first fixed block (14) and second fixed block (15) respectively, one side of first fixed block (14) and second fixed block (15) outer wall is fixedly connected with first spanner rod (16) and second spanner rod (17) respectively.

2. A dual-axis flange-type ball valve according to claim 1, wherein: the first flange plate (2), the second flange plate (3) and the valve body (1) are cast into an integral structure.

3. A dual-axis flange-type ball valve according to claim 1, wherein: and water inlets (7) corresponding to the round holes (5) are formed at two ends of the center of the valve body (1).

4. A dual-axis flange-type ball valve according to claim 1, wherein: the valve core ball (4) top and the center of bottom all seted up with fixed inserted block (10) corresponding constant head tank (11), and two fixed inserted block (10) all alternate constant head tank (11) and extend to its center.

5. A dual-axis flange-type ball valve according to claim 1, wherein: the fixed insert block (10) and the positioning groove (11) are both arranged in a cross structure.

6. A dual-axis flange-type ball valve according to claim 1, wherein: the outer walls of the first wrench rod (16) and the second wrench rod (17) far away from the first fixing block (14) and the second fixing block (15) are sleeved with anti-skidding sleeves (18).