Durable pneumatic ball valve with good sealing performance

Abstract

The utility model provides a durable pneumatic ball valve with good sealing performance, which comprises a rotating cylinder, a rotating shaft is arranged on one side of the rotating cylinder, a sealing valve body is arranged on one side of the rotating shaft, a liquid inlet pipe orifice is fixedly connected to one side of the sealing valve body, a fastening hoop is fixedly connected to the surface of the outer side of the sealing valve body, and the fastening hoop is fixedly connected to the surface of the outer side of the sealing valve body. And a liquid outlet pipe opening is fixedly connected to the surface of the other side of the sealing valve body, so that the problems that glue is easily extruded out of the valve body and is difficult to clean due to the fact that glue needs to be coated at the position of a connector during mounting and is used for sealing the interior and the exterior of the valve body, and the valve body is difficult to disassemble and maintain due to adhesion of the glue after mounting are solved.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to the pneumatic ball valve field, concretely relates to a durable and good sealing pneumatic ball valve. BACKGROUND

[0002] The pneumatic ball valve is a ball valve with a pneumatic actuator, the execution speed of the pneumatic actuator is relatively fast, the fastest opening and closing speed is 0.05 seconds / time, so it is also commonly called a pneumatic quick cut-off ball valve, and the pneumatic ball valve is usually configured with various accessories, such as solenoid valves, gas source processing triple joints, limit switches, positioners, control boxes, etc., to realize local control and remote centralized control, and the opening and closing of the valve can be controlled in the control room without the need to go to the site or high altitude and dangerous areas for manual control.

[0003] In the invention patent application No. CN202020325048.0, application publication date 2020.10.23, name for "a durable and good sealing pneumatic ball valve", including the pneumatic ball valve main part, the lower end outer surface of pneumatic ball valve main part is provided with pressure resistance shock absorbing organization, the lower end outer surface of pressure resistance shock absorbing organization is provided with one three-way sealed connection mouth, one side outer surface of one three-way sealed connection mouth is provided with two three-way sealed connection mouth, the other side outer surface of one three-way sealed connection mouth is provided with three three-way sealed connection mouth, the upper end outer surface of pneumatic ball valve main part is provided with pneumatic ball valve top plate, one side outer surface of pneumatic ball valve top plate is provided with connecting screw, one side outer surface of pneumatic ball valve main part is provided with connecting plate, the other side outer surface of pneumatic ball valve main part is provided with buffer connecting block, the device is provided with pressure resistance shock absorbing organization, can reduce the vibration of machine, make the stability of machine enhance, make the loss of machine smaller, prolong the service life of machine, the pressure resistance effect of machine is better through the design of pressure resistance antiskid plate, the friction of machine is reduced through the design of shock absorbing wear-resistant pad, and the damage between parts is reduced.

[0004] But the pneumatic ball valve needs to be glued at the interface position during installation to realize the sealing of the valve body inside and outside, but this can easily cause the glue to be squeezed out of the valve body and difficult to clean, and after installation, the valve body is difficult to disassemble and maintain due to the adhesion of the glue. UTILITY MODEL CONTENTS

[0005] 1. The technical problem to be solved by the utility model is:

[0006] The utility model provides a durable and good sealing pneumatic ball valve to solve the problem that the interface position needs to be glued during installation to realize the sealing of the valve body inside and outside, but this can easily cause the glue to be squeezed out of the valve body and difficult to clean, and after installation, the valve body is difficult to disassemble and maintain due to the adhesion of the glue.

[0007] 2. Technical scheme:

[0008] In order to achieve the above object, the utility model provides technical scheme for: a durable good sealing pneumatic ball valve, including rotating air cylinder, one side of rotating air cylinder is provided with rotating shaft, one side of rotating shaft is provided with sealed valve body, one side fixed connection of sealed valve body has liquid inlet pipe, the outer surface fixed connection of sealed valve body has fastening hoop, the other side surface fixed connection of sealed valve body has liquid outlet pipe.

[0009] Further, the liquid inlet pipe is fixedly connected with the rotating shaft on one side of the sealing valve body to form a transmission structure, and a sealing structure is arranged at the connecting position of the rotating shaft and the sealing valve body.

[0010] Further, the sealing valve body comprises a large valve shell, a small valve shell is arranged on one side of the valve shell, a filling port is arranged on the outer surface of the small valve shell, a glue adding groove is arranged on the contact surface of the small valve shell and the large valve shell, a rotating groove is arranged on the inner wall of the small valve shell and the large valve shell, a spherical valve body is movably connected inside the rotating groove, and a through groove is arranged on the surface of the spherical valve body.

[0011] Further, the small valve shell and the large valve shell are fixedly connected through the fastening hoops on the two side surfaces thereof, the spherical valve body is in transmission connection with the rotating shaft and forms a rotating structure inside the rotating groove, the two sides of the rotating groove are respectively connected with the liquid outlet pipe and the liquid inlet pipe, the filling port is connected with the glue adding groove, and the glue adding grooves are annularly distributed on the surface of the rotating groove.

[0012] Further, the fastening hoop comprises a fixed frame arranged on the outer surface of the small valve shell and the large valve shell, perforations are arranged on the surface of the fixed frame, a fastening screw is movably connected between the fixed frames, a fastening nut is threadedly connected on the surface of the fastening screw, and a dismounting nut is threadedly connected on one side of the fastening nut and on the surface of the fastening screw.

[0013] Further, the fixed frame is provided with two, and is fixed on the outer surface of the small valve shell and the large valve shell, the perforations are arranged at the four corners of the fixed frame, and the two fixed frames are fixedly connected through the fastening screw and the fastening nut, and the fastening nut and the dismounting nut are arranged on the two sides of one side fixed frame, respectively.

[0014] 3. Beneficial effects:

[0015] The utility model discloses a reasonable design, when installing the pneumatic ball valve, the fixed frame on the surface of big valve shell and small valve shell in the sealing valve body is aligned, and four perforations are installed through the fastening screw, big valve shell and small valve shell are installed through the fastening nut, after installing, the inside of glue adding groove is injected through the filling port, and the connection between big valve shell and small valve shell is sealed through the glue, the rotation of spherical valve body in the rotation groove is driven through the rotary cylinder, and the passage of valve body is closed, because big valve shell and small valve shell are pressed tightly through the fixed frame before filling, the condition that the glue is difficult to clean is avoided, and the glue is pressed out of the surface of valve body,

[0016] When needing to be disassembled, first, the fastening nut on the surface of fastening screw is screwed down, and the disassembly nut on one side of fixed frame is rotated, and the other end of fastening screw is fixed, so that the disassembly nut pushes big valve shell to separate from the surface of small valve shell, and the purpose of quick disassembly is achieved. DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of the utility model;

[0018] Figure 2 It is the plane schematic diagram of the utility model sealing valve body;

[0019] Figure 3 It is the schematic diagram of small valve shell of the utility model;

[0020] Figure 4 It is the plane schematic diagram of the utility model fastening hoop.

[0021] Reference signs:

[0022] 1, rotary cylinder;2, rotary shaft;3, sealing valve body;301, big valve shell;302, small valve shell;303, filling port;304, glue adding groove;305, rotation groove;306, spherical valve body;307, through groove;4, liquid inlet pipe;5, fastening hoop;501, fixed frame;502, perforation;503, fastening screw;504, fastening nut;505, disassembly nut;6, liquid outlet pipe. CONCRETE IMPLEMENTING METHOD

[0023] In order to facilitate understanding the utility model, the utility model will be described more fully below with reference to relevant drawings, and several embodiments of the utility model are given in the drawings, but the utility model can be realized in many different forms, and is not limited to the embodiments described in the paper, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0024] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0025] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0026] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing", "provided with" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. Embodiment

[0027] Referring to the drawings Figures 1-4 , including rotating cylinder 1, one side of the rotating cylinder 1 is provided with rotating shaft 2, one side of the rotating shaft 2 is provided with sealing valve body 3, sealing valve body 3 is fixedly connected with liquid inlet pipe 4 on one side, sealing valve body 3 is fixedly connected with fastening hoop 5 on the outer surface, sealing valve body 3 is fixedly connected with liquid outlet pipe 6 on the other side surface, sealing valve body 3 is fixedly connected with liquid inlet pipe 4 and rotating shaft 2 to form transmission structure on one side, and sealing structure is arranged at the connecting position of rotating shaft 2 and sealing valve body 3, the technical scheme realizes quick disassembly through fastening hoop 5, and the purpose of avoiding additional cleaning of glue is achieved through filling port 303 and glue filling groove 304.

[0028] The sealing valve body 3 comprises a large valve shell 301, one side of the valve shell 301 is provided with a small valve shell 302, the outer surface of the small valve shell 302 is provided with a filling port 303, the contact surface of the small valve shell 302 and the large valve shell 301 is provided with a glue groove 304, the inner wall of the small valve shell 302 and the large valve shell 301 is provided with a rotating groove 305, the rotating groove 305 is movably connected with a spherical valve body 306 inside, the surface of the spherical valve body 306 is provided with a through groove 307, the small valve shell 302 and the large valve shell 301 are fixedly connected through the fastening hoops 5 on the two sides of the surface, the spherical valve body 306 is in transmission connection with the rotating shaft 2 and constitutes a rotating structure inside the rotating groove 305, the two sides of the rotating groove 305 are respectively connected with the liquid outlet pipe 6 and the liquid inlet pipe 4, the filling port 303 is connected with the glue groove 304, and the glue groove 304 is annularly distributed on the surface of the rotating groove 305.

[0029] In this embodiment, when the pneumatic ball valve is installed, the fixed frame 501 on the surface of the large valve shell 301 and the small valve shell 302 in the sealing valve body 3 is aligned, four perforations 502 are installed through the fastening screw 503, the large valve shell 301 and the small valve shell 302 are installed through the fastening nut 504, after installation is completed, the glue groove 304 inside is injected with glue through the filling port 303, the connection between the large valve shell 301 and the small valve shell 302 is sealed by the glue, the rotation of the spherical valve body 306 in the rotating groove 305 is driven by the rotary cylinder 1, the passage of the valve body is closed, and because the large valve shell 301 and the small valve shell 302 are pressed through the fixed frame 501 before filling, the glue is prevented from being squeezed out of the surface of the valve body, and the situation that it is difficult to clean is avoided.

[0030] The fastening hoop 5 comprises a fixed frame 501 arranged on the outer surface of the small valve shell 302 and the large valve shell 301, the fixed frame 501 is provided with a perforation 502 around the surface, the fixed frame 501 is movably connected with a fastening screw 503, the surface of the fastening screw 503 is threadedly connected with a fastening nut 504, one side of the fastening nut 504 is threadedly connected with a dismounting nut 505 on the surface of the fastening screw 503, the fixed frame 501 is provided with two, which are respectively fixed on the outer surface of the small valve shell 302 and the large valve shell 301, the perforation 502 is arranged at the four corners of the fixed frame 501, and the two fixed frames 501 are fixedly connected through the fastening screw 503 and the fastening nut 504, the fastening nut 504 and the dismounting nut 505 are respectively arranged on one side of the two fixed frames 501.

[0031] In this embodiment, when disassembly is needed, first, the fastening nut 504 on the surface of the fastening screw 503 is unscrewed, the disassembly nut 505 on one side of the fixed frame 501 is turned, and the other end of the fastening screw 503 is fixed, so that the disassembly nut 505 pushes the large valve shell 301 away from the surface of the small valve shell 302, and the purpose of quick disassembly is achieved.

[0032] The above-described embodiments only express certain embodiments of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A pneumatic ball valve with good durability and tightness, characterized by The utility model provides a sealing valve body (3) one side fixed connection has the liquid inlet pipe (4) with the rotary shaft (2) constitutes transmission structure, and the rotary shaft (2) with sealing valve body (3) connection position is provided with sealing structure.

2. A pneumatic ball valve with good durability and sealing according to claim 1, characterized in that: The sealing valve body (3) includes a large valve shell (301), the valve shell (301) one side is provided with small valve shell (302), the small valve shell (302) outer surface is provided with the filling port (303), the small valve shell (302) and the large valve shell (301) contact surface is provided with the glue adding groove (304), the small valve shell (302) and the large valve shell (301) inner wall is provided with the rotation groove (305), the rotation groove (305) inside movable joint has the spherical valve body (306), the spherical valve body (306) surface is provided with the through groove (307).

3. A pneumatic ball valve with good durability and sealing according to claim 1, characterized in that: The small valve shell (302) and the large valve shell (301) are fixedly connected through the fastening hoops (5) on the two side surfaces thereof, the spherical valve body (306) is in transmission connection with the rotary shaft (2) and constitutes a rotating structure in the rotation groove (305), the two sides of the rotation groove (305) are respectively connected with the liquid outlet pipe (6) and the liquid inlet pipe (4), the filling port (303) is connected with the glue adding groove (304), and the glue adding groove (304) is annularly distributed on the surface of the rotation groove (305).

4. A pneumatic ball valve with good durability and sealing according to claim 3, characterized in that: The fastening hoop (5) includes a fixed frame (501) provided on the outer surfaces of the small valve shell (302) and the large valve shell (301), the fixed frame (501) is provided with a plurality of through holes (502) around the surface thereof, the fixed frame (501) is movably connected with a fastening screw (503) therebetween, the fastening screw (503) is threadedly connected with a fastening nut (504) on the surface thereof, and the fastening nut (504) is threadedly connected with a dismounting nut (505) on one side of the surface of the fastening screw (503).

5. A pneumatic ball valve with good durability and sealing according to claim 4, characterized in that: The fixed frame (501) is provided with two, and is fixed on the outer surfaces of the small valve shell (302) and the large valve shell (301), the through holes (502) are provided at the four corners of the fixed frame (501), and the two fixed frames (501) are fixedly connected through the fastening screw (503) and the fastening nut (504), and the fastening nut (504) and the dismounting nut (505) are respectively provided on the two sides of one of the fixed frames (501).

6. A pneumatic ball valve with good durability and sealing according to claim 5, characterized in that: ​

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