Flange type pneumatic ball valve with lining structure

Abstract

The utility model relates to the technical field of pneumatic ball valves, in particular to a flange type pneumatic ball valve with a lining structure, which comprises a pneumatic ball valve main body and a rubber ring, an electric actuator for opening and closing the pneumatic ball valve main body is arranged at the top of the pneumatic ball valve main body, flanges connected with a pipeline are symmetrically welded outside the pneumatic ball valve main body, and the rubber ring is arranged on the pneumatic ball valve main body. A lining A and a lining B are clamped in the ball valve body, the lining A is located on the left side of the lining B, a groove connected with the lining B is formed in the surface of the lining A, a supporting block entering the groove is integrally formed on one side of the lining B, and a spring is welded in the supporting block. According to the lining structure of the pneumatic ball valve, the lining A, the lining B, the magnet sheet A, the magnet sheet B, the rubber ring, the positioning block, the positioning hole, the spring, the groove and the supporting block are arranged, so that the problem that when an existing lining structure of the pneumatic ball valve is used, the lining A and the lining B are inconvenient to install in a pneumatic ball valve body is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic ball valve technical field, concretely relates to a flange type pneumatic ball valve with lining structure. BACKGROUND

[0002] ‌ ‌Pneumatic ball valve is a kind of ball valve driven by compressed air, and its core component is pneumatic actuator, and pneumatic actuator receives control signal, and the energy of compressed air is converted into mechanical kinetic energy, drives ball to rotate in valve body, to realize the opening or closing of pipeline.

[0003] Patent No. 202223303907.4 discloses a lining structure of pneumatic ball valve, the valve body and the lining body can be quickly assembled, and by setting the lining body in the valve body, the corrosion of corrosive chemical agents to the valve body can be avoided, the service life of the valve body is increased, and the device has high use value.

[0004] However, the lining structure of the existing pneumatic ball valve is used, the valve body of the pneumatic ball valve is divided into three parts, however, when the lining is installed in the pneumatic ball valve, the valve body of the pneumatic ball valve needs to be disassembled first, then the lining in the valve body is spliced, and then the valve body is spliced and installed, the operation steps are complicated, the efficiency of lining installation and the use of pneumatic ball valve are affected, and thus a flange type pneumatic ball valve with lining structure is set. UTILITY MODEL CONTENTS

[0005] (1) The main purpose of the utility model is to provide a flange type pneumatic ball valve with lining structure, the utility model is provided with lining A, lining B, magnet piece A, magnet piece B, rubber ring, positioning block, positioning hole, spring, groove and support block, which solves the problem that the lining structure of the existing pneumatic ball valve is inconvenient to install lining A and lining B in the main body of the pneumatic ball valve during use.

[0006] (2) The utility model discloses a flange type pneumatic ball valve with lining structure, which comprises a pneumatic ball valve body and a rubber ring, the top of the pneumatic ball valve body is provided with an electric actuator for opening and closing the pneumatic ball valve body, flanges connected with pipelines are symmetrically welded on the outside of the pneumatic ball valve body, the inside of the ball valve body is clamped with a lining A and a lining B, the lining A is located on the left side of the lining B, a groove connected with the lining B is formed on the surface of the lining A, a support block integrated into the groove is formed on one side of the lining B, a spring is welded in the support block, a positioning block is welded on one side of the spring, a positioning hole for fixing the positioning block is formed on the inside of the lining A, a magnet piece A is glued on the outside of the lining A, a magnet strip A connected with the magnet piece A is glued on the inside of the pneumatic ball valve body, a magnet piece B is glued on the outside of the lining B, and a magnet strip B connected with the magnet piece B is glued in the inside of the pneumatic ball valve body.

[0007] (3) When the lining A and the lining B are installed in the pneumatic ball valve body, the lining A and the lining B are pressed and then put into the pneumatic ball valve body from both sides, the support block on the lining B is aligned with the groove on the lining A, the positioning block on the support block is pressed, the spring in the support block is compressed, the positioning block enters the inside of the support block, the support block is put into the groove, the spring in the support block drives the positioning block into the positioning hole in the lining A, the magnet piece A on the outside of the lining A is connected with the magnet strip A in the pneumatic ball valve body, the magnet piece B on the outside of the lining B is connected with the magnet strip B in the pneumatic ball valve body, and the rubber rings on the outside of the lining A and the lining B are in contact with the flanges on both sides of the pneumatic ball valve body, so that the lining A and the lining B are fixed in the pneumatic ball valve body.

[0008] (4) The lining A and the lining B are made of polytetrafluoroethylene material, which improves the wear resistance and corrosion resistance of the pneumatic ball valve body.

[0009] (5) Specifically, the surface of the rubber ring is provided with a flange, and the bolt on the flange passes through the fixing hole on the rubber ring.

[0010] (6) The surface of the rubber ring is provided with a fixing hole, the number of the fixing holes is consistent with the number of the threaded holes on the flange and is aligned, so that the rubber ring is fixed on the flange connected with the pipeline, the sealing property of the pneumatic ball valve body and the pipeline is improved, and the lining A and the lining B are fixed.

[0011] (7) Specifically, the inside of the lining A and the lining B is integrally formed with a sealing ring for improving the sealing property.

[0012] (8) By adopting the above technical scheme, the sealing ring is integrally formed on the inner side of the inner liner A and the inner liner B, and the sealing ring is connected with the ball valve when the ball valve in the pneumatic ball valve body rotates, thereby improving the sealing performance between the ball valve and the inner liner A and the inner liner B.

[0013] (9) Specifically, the size of the inner side of the positioning hole is consistent with the size of the outer side of the positioning block.

[0014] (10) By adopting the above technical scheme, when the supporting block enters the recess, the spring in the supporting block drives the positioning block to pop out, the positioning hole in the inner liner A is consistent with the positioning block, the positioning block enters the inner part of the positioning hole, thereby facilitating the fixation of the supporting block.

[0015] (11) Specifically, the size of the inner side of the recess is consistent with the size of the outer side of the supporting block.

[0016] (12) By adopting the above technical scheme, when the inner liner B is connected with the inner liner A, the supporting block on the inner liner B enters the recess on the inner liner A, the inner side of the recess is consistent with the outer part of the supporting block, thereby facilitating the connection of the inner liner A and the inner liner B.

[0017] (13) The beneficial effects of the pneumatic ball valve with flange type and inner liner structure are as follows:

[0018] (14) The pneumatic ball valve with flange type and inner liner structure is characterized in that when the inner liner A and the inner liner B are to be installed in the pneumatic ball valve body, the inner liner A and the inner liner B are pressed respectively, and then the inner liner A and the inner liner B are placed into the pneumatic ball valve body from both sides, then the supporting block on the inner liner B is aligned with the recess on the inner liner A, then the positioning block on the supporting block is pressed, then the spring in the supporting block is compressed, then the positioning block enters the inner part of the supporting block, then the supporting block is placed into the recess, then the spring in the supporting block drives the positioning block to enter the positioning hole in the inner liner A, then the magnet piece A outside the inner liner A is connected with the magnet strip A in the pneumatic ball valve body, the magnet piece B outside the inner liner B is connected with the magnet strip B in the pneumatic ball valve body, and the rubber rings outside the inner liner A and the inner liner B are respectively in contact with the flanges on both sides of the pneumatic ball valve body, thereby facilitating the installation of the inner liner A and the inner liner B in the pneumatic ball valve body.

[0019] (15) The pneumatic ball valve with flange type and inner liner structure is characterized in that the rubber ring is provided with a fixing hole on the surface, the number of the fixing holes is consistent with and aligned with the number of the threaded holes on the flange, thereby facilitating the fixation of the rubber ring on the flange and the pipeline, improving the sealing performance of the pneumatic ball valve body and the pipeline, and fixing the inner liner A and the inner liner B. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model is further described below in combination with the drawings and examples.

[0021] Figure 1The utility model relates to a whole structure schematic diagram of a flange type pneumatic ball valve with lining structure.

[0022] Figure 2 The utility model relates to the lining A and lining B structure schematic diagram of a flange type pneumatic ball valve with lining structure.

[0023] Figure 3 The utility model relates to the lining A and lining B separation structure schematic diagram of a flange type pneumatic ball valve with lining structure.

[0024] Figure 4 The utility model relates to the lining A inside lateral structure schematic diagram of a flange type pneumatic ball valve with lining structure.

[0025] Figure 5 The utility model relates to the support block internal structure schematic diagram of a flange type pneumatic ball valve with lining structure.

[0026] Figure 6 The utility model relates to the ball valve main body inside partial structure schematic diagram of a flange type pneumatic ball valve with lining structure.

[0027] In the drawing: 1, electric actuator;2, pneumatic ball valve main body;3, lining A;4, magnet piece A;5, fixed hole;6, rubber ring;7, lining B;8, magnet piece B;9, flange;10, recess;11, support block;12, sealing ring;13, positioning hole;14, spring;15, positioning block;16, magnet strip A;17, magnet strip B. DETAILED DESCRIPTION

[0028] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0029] In order to fix lining A3 and lining B7 in the pneumatic ball valve main body 2, as an embodiment of the utility model, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6As shown, the present invention discloses a flanged pneumatic ball valve with an inner lining structure, comprising a pneumatic ball valve body 2 and a rubber ring 6. An electric actuator 1 for opening and closing the pneumatic ball valve body 2 is disposed on the top of the pneumatic ball valve body 2. Flanges 9 for connecting to pipelines are symmetrically welded to the outside of the pneumatic ball valve body 2. An inner lining A3 and an inner lining B7 are snapped into the inside of the ball valve body, with the inner lining A3 located to the left of the inner lining B7. A groove 10 for connecting to the inner lining B7 is formed on the surface of the inner lining A3. One side of the inner lining B7... The body has a support block 11 that enters the groove 10. A spring 14 is welded inside the support block 11, and a positioning block 15 is welded to one side of the spring 14. A positioning hole 13 is opened on the inner side of the liner A3 to fix the positioning block 15. A magnet A4 is glued to the outer side of the liner A3. A magnet strip A16 connected to the magnet A4 is glued to the inner side of the pneumatic ball valve body 2. A magnet B8 is glued to the outer side of the liner B7. A magnet strip B17 connected to the magnet B8 is glued to the inside of the pneumatic ball valve body 2.

[0030] In use, when installing liners A3 and B7 inside the pneumatic ball valve body 2, press liners A3 and B7 respectively, then insert liners A3 and B7 into the pneumatic ball valve body 2 from both sides. Next, align the support block 11 on liner B7 with the groove 10 on liner A3, then press the positioning block 15 on support block 11. The spring 14 inside support block 11 will then compress, causing the positioning block 15 to enter the support block 11. Finally, place support block 11 into the groove 10. Inside, the spring 14 inside the support block 11 drives the positioning block 15 into the positioning hole 13 opened inside the liner A3. Then, the magnet A4 outside the liner A3 is connected to the magnet strip A16 inside the pneumatic ball valve body 2, and the magnet B8 outside the liner B7 is connected to the magnet strip B17 inside the pneumatic ball valve body 2. The rubber rings 6 outside the liner A3 and the liner B7 respectively contact the flanges 9 on both sides of the pneumatic ball valve body 2, so as to facilitate fixing the liner A3 and the liner B7 inside the pneumatic ball valve body 2.

[0031] To secure the rubber ring 6 to the flange 9 and connect it to the pipe, for example, as shown... Figure 5 As shown, the present invention also includes a flange 9 on the surface of the rubber ring 6, and bolts on the flange 9 pass through fixing holes 5 on the rubber ring 6.

[0032] During use, the surface of the rubber ring 6 is provided with fixing holes 5. The number of fixing holes 5 is the same as the number of threaded holes on the flange 9 and is aligned with them, so as to facilitate the fixing of the rubber ring 6 to the flange 9 and the connection with the pipeline, improve the sealing performance between the pneumatic ball valve body 2 and the pipeline, and fix the inner lining A3 and inner lining B7.

[0033] To improve the sealing performance between the ball valve and liners A3 and B7, for example, such as Figure 4As shown in the utility model still include, the inside of lining A3 and lining B7 all integrative forming has the sealing ring 12 of improving sealing.

[0034] In use, the inside of lining A3 and lining B7 all integrative forming has the sealing ring 12, the ball valve rotation in pneumatic ball valve main body 2 with sealing ring 12 connects, to improve the sealing between ball valve and lining A3 and lining B7.

[0035] In order to fix support block 11, exemplary, such as Figure 4 And Figure 5 As shown in the utility model still include, the inside size of positioning hole 13 is consistent with the outside size of positioning block 15.

[0036] In use, when support block 11 enters the recess 10 inside, the spring 14 in support block 11 drives positioning block 15 to pop out, and the positioning hole 13 in lining A3 is consistent with positioning block 15, so that positioning block 15 enters the inside of positioning hole 13, thereby facilitating the fixation of support block 11.

[0037] In order to facilitate the connection of lining A3 and lining B7, exemplary, such as Figure 3 As shown in the utility model still include, the inside size of recess 10 is consistent with the outside size of support block 11.

[0038] In use, when lining B7 is connected with lining A3, the support block 11 on lining B7 enters the recess 10 on lining A3, and the inside of recess 10 is consistent with the outside of support block 11, thereby facilitating the connection of lining A3 and lining B7.

[0039] In use, when lining A3 and lining B7 are to be installed in pneumatic ball valve main body 2, lining A3 and lining B7 are pressed respectively, and then lining A3 and lining B7 are placed in pneumatic ball valve main body 2 from both sides, and then the support block 11 on lining B7 is aligned with the recess 10 on lining A3, and then the positioning block 15 on support block 11 is pressed, and then the spring 14 in support block 11 is compressed, and then the positioning block 15 enters the inside of support block 11, and then support block 11 is placed in recess 10, and then the spring 14 in support block 11 drives positioning block 15 to enter the positioning hole 13 in lining A3, and then the magnet piece A4 outside lining A3 is connected with the magnet strip A16 in pneumatic ball valve main body 2, and the magnet piece B8 outside lining B7 is connected with the magnet strip B17 in pneumatic ball valve main body 2, and the rubber ring 6 outside lining A3 and lining B7 is in contact with the flange 9 on both sides of pneumatic ball valve main body 2, thereby facilitating the fixation of lining A3 and lining B7 in pneumatic ball valve main body 2.

[0040] The rubber ring 6 is provided with fixing holes 5 on the surface, the number of the fixing holes 5 is consistent with the number of the threaded holes on the flange 9 and is aligned, so as to facilitate the fixation of the rubber ring 6 on the flange 9 and the pipeline, improve the sealing performance of the pneumatic ball valve body 2 and the pipeline, and fix the inner liner A3 and the inner liner B7;

[0041] The inner liner A3 and the inner liner B7 are integrally provided with sealing rings 12 on the inner sides, the ball valve in the pneumatic ball valve body 2 is connected with the sealing rings 12 when rotating, so as to improve the sealing performance between the ball valve and the inner liner A3 and the inner liner B7;

[0042] When the supporting block 11 enters the groove 10, the spring 14 in the supporting block 11 drives the positioning block 15 to pop out, the positioning hole 13 in the inner liner A3 is matched with the positioning block 15, so that the positioning block 15 enters the inside of the positioning hole 13, thereby facilitating the fixation of the supporting block 11;

[0043] When the inner liner B7 is connected with the inner liner A3, the supporting block 11 on the inner liner B7 enters the groove 10 on the inner liner A3, the inner side of the groove 10 is matched with the outer part of the supporting block 11, thereby facilitating the connection of the inner liner A3 and the inner liner B7.

[0044] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only for the purpose of illustrating the principle of the utility model, and the utility model can have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A flanged pneumatic ball valve with an internal lining structure, characterized in that, Includes a pneumatic ball valve body (2) and a rubber ring (6). The top of the pneumatic ball valve body (2) is provided with an electric actuator (1) for opening and closing the pneumatic ball valve body (2). The pneumatic ball valve body (2) is symmetrically welded with flanges (9) for connecting to pipelines. The ball valve body is fitted with an inner liner A (3) and an inner liner B (7), with the inner liner A (3) located to the left of the inner liner B (7). The surface of the inner liner A (3) is provided with a groove (10) for connecting to the inner liner B (7). One side of the inner liner B (7) is integrally formed with a support block that enters the groove (10). 11), a spring (14) is welded inside the support block (11), and a positioning block (15) is welded on one side of the spring (14). A positioning hole (13) for fixing the positioning block (15) is opened on the inner side of the liner A (3). A magnet piece A (4) is glued to the outer side of the liner A (3). A magnet strip A (16) connected to the magnet piece A (4) is glued to the inner side of the pneumatic ball valve body (2). A magnet piece B (8) is glued to the outer side of the liner B (7). A magnet strip B (17) connected to the magnet piece B (8) is glued to the inside of the pneumatic ball valve body (2).

2. A flanged pneumatic ball valve with an internal lining structure according to claim 1, characterized in that, The surface of the rubber ring (6) is provided with a flange (9), and the bolts on the flange (9) pass through the fixing holes (5) on the rubber ring (6).

3. A flanged pneumatic ball valve with an internal lining structure according to claim 1, characterized in that, Both the inner lining A (3) and the inner lining B (7) have an integrally formed sealing ring (12) to improve sealing performance.

4. A flanged pneumatic ball valve with an internal lining structure according to claim 1, characterized in that, The inner size of the positioning hole (13) matches the outer size of the positioning block (15).

5. A flanged pneumatic ball valve with an internal lining structure according to claim 1, characterized in that, The inner dimensions of the groove (10) match the outer dimensions of the support block (11).

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