Pneumatic ball valve

Abstract

The utility model discloses a pneumatic ball valve which comprises a ball valve body and connecting water pipes arranged symmetrically, the two connecting water pipes are fixedly arranged on the front side face and the rear side face of the ball valve body respectively, a spherical valve body is installed in the ball valve body, and a pneumatic driving piece used for driving the spherical valve body to rotate is installed at the upper end of the ball valve body. A T-shaped water inlet pipe for cleaning is arranged on the left side face of the ball valve body, an L-shaped water drainage pipe is arranged on the right side face of the ball valve body, the left end face of the water inlet pipe is in a closed state, the water inlet pipe and the water drainage pipe are both communicated with the ball valve body, a telescopic air cylinder is fixedly arranged on the left end face of the water inlet pipe, and a piston rod of the telescopic air cylinder penetrates through the left end face of the water inlet pipe and is in sliding fit. And a cleaning mechanism for cleaning the spherical valve body is arranged at the outer end of the piston rod of the telescopic cylinder. According to the utility model, the filter screen can be effectively cleaned without dismounting the filter screen.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball valve technical field especially relates to a kind of pneumatic ball valve. BACKGROUND

[0002] Ball valve is a kind of valve, widely used, mainly by valve stem to drive ball rotation to realize opening and closing, can be used for the regulation and control of fluid, pneumatic ball valve is just the ball valve of traditional manual control is equipped with pneumatic actuator, so it can be rotated by gas pressure supply to drive ball rotation to control the opening and closing of valve body. The current pneumatic ball valve, due to the valve body is unable to set the filter assembly for filtering liquid, which leads to impurities to accumulate in the valve body after long time use, affect the flow effect in the valve body, thereby affecting the normal use of pneumatic ball valve.

[0003] After retrieval, the utility model discloses a kind of pneumatic lining fluorine ball valve structure, including ball valve body and pneumatic actuator, the upper surface of pneumatic actuator is hinged with cover plate by hinged rod, the surface of cover plate is provided with handle;The inside of pneumatic actuator is provided with fixed part for fixing cover plate;The inside of ball valve body is provided with filter part for filtering liquid flowing in ball valve body, fixed part includes rectangular notch opened in the inner wall of pneumatic actuator, and the surface of rectangular notch is slidably connected with moving rod.

[0004] The above-mentioned ball valve needs to be disassembled after a period of use, and the filter screen surface needs to be cleaned, otherwise impurities will accumulate on one side of the filter screen, which will still affect the use of the ball valve. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of pneumatic ball valve, solve the problem that pneumatic ball valve is easily dirty during normal use.

[0006] The utility model adopts the following technical solutions:

[0007] A kind of pneumatic ball valve, including ball valve body and the connecting water pipe of symmetrical setting, two connecting water pipes are fixedly set at the front side and rear side of ball valve body respectively, ball valve body is installed in spherical valve body, the upper end of ball valve body is installed with the pneumatic drive piece for driving spherical valve body to rotate, the left side of ball valve body is provided with the T-shaped water inlet pipe for cleaning, and the right side is provided with L-shaped drain pipe, the left end surface of water inlet pipe is closed state, and water inlet pipe and drain pipe are communicated with ball valve body;

[0008] The left end surface of water inlet pipe is fixedly provided with telescopic cylinder, the piston rod of telescopic cylinder penetrates the left end surface of water inlet pipe and is slidably matched, and the outer end of telescopic cylinder piston rod is provided with the cleaning mechanism for cleaning spherical valve body.

[0009] Optionally, the ball valve body comprises symmetrically arranged sealing housings, the two sealing housings are fixedly connected, the spherical valve body is rotationally arranged between the two sealing housings, symmetrically arranged grooves are arranged on the circumferential surfaces of the upper and lower ends of the spherical valve body, a connecting seat one is fixedly arranged in the groove, and an outer end surface of the connecting seat one is fixedly provided with a connecting shaft.

[0010] Optionally, the upper end of the upper sealing housing is fixedly provided with a support, the pneumatic driving element is fixedly arranged on the upper end surface of the support, and the connecting shaft located at the upper end is fixedly connected with a driving shaft of the pneumatic driving element.

[0011] Optionally, the lower end of the lower sealing housing is fixedly provided with a cover plate, and the connecting shaft located at the lower end is rotationally matched with the cover plate.

[0012] Optionally, water inlet through holes in communication with the outside are arranged on the circumferential surfaces of the front and rear sides of the spherical valve body, the diameters of the water inlet through holes are matched with the diameters of the inner cavities of the connecting water pipes.

[0013] Optionally, a fixing ring, a circular filter plate and a compression ring are arranged in the water inlet through hole, the fixing ring is fixedly arranged on the inner wall of the water inlet through hole, the compression ring is fixedly connected with the fixing ring, and the filter plate is arranged between the compression ring and the fixing ring.

[0014] Optionally, the cleaning mechanism comprises a supporting ring one and a supporting ring two, the supporting ring one and the supporting ring two are rotationally arranged in the transversely arranged water pipe of the water inlet pipe, a connecting rod is fixedly connected between the supporting ring one and the supporting ring two, a connecting seat two is fixedly arranged in the supporting ring one, and a connecting seat three is fixedly arranged in the supporting ring two.

[0015] Optionally, the piston rod of the telescopic pneumatic cylinder is fixed with the connecting seat two.

[0016] Optionally, a rotating shaft is rotationally arranged between the connecting seat two and the connecting seat three, a plurality of fan blades are fixedly arranged on the surface of the rotating shaft, the right end of the rotating shaft penetrates through the connecting seat three, and a cleaning rod is fixedly arranged on the right end surface of the rotating shaft.

[0017] Optionally, the outer end of the cleaning rod is provided with a fine brush, and the diameters of the fine hairs on the brush are smaller than the diameters of the filter holes.

[0018] In summary, the utility model has the following beneficial effects:

[0019] The utility model discloses a ball valve body, including the support, the drain pipe, the connecting water pipe, the pneumatic drive piece, the water inlet pipe, the telescopic pneumatic cylinder and the cleaning mechanism, the support is connected with the drain pipe, the connecting water pipe is connected with the drain pipe, the pneumatic drive piece is connected with the connecting water pipe, the water inlet pipe is connected with the pneumatic drive piece, the telescopic pneumatic cylinder is connected with the water inlet pipe, and the cleaning mechanism is connected with the telescopic pneumatic cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the explosion drawing of the ball valve body of the utility model;

[0022] Figure 3 It is the structure schematic diagram of the cleaning mechanism of the utility model;

[0023] Figure 4 It is the structure schematic of the ball valve body of the utility model Figure 1 ;

[0024] Figure 5 It is the structure schematic of the ball valve body of the utility model Figure 2 ;

[0025] Figure 6 It is the section view before the rotation of the ball valve body of the utility model;

[0026] Figure 7 It is the A place detail enlarged view in the utility model Figure 6 ;

[0027] Figure 8 It is the section view after the rotation of the ball valve body 90 of the utility model.

[0028] In the drawing, 1, ball valve body;2, support;3, drain pipe;4, connecting water pipe;5, pneumatic drive piece;6, water inlet pipe;7, telescopic pneumatic cylinder;8, cleaning mechanism;11, sealing shell;13, spherical valve body;131, water inlet through hole;132, fixed ring;133, filter plate;134, compression ring;135, recess;14, connecting seat one;141, connecting shaft;15, cover plate;81, support ring one;811, connecting rod;812, support ring two;813, connecting seat two;82, rotating shaft;821, fan blade;822, connecting seat three;83, cleaning rod. DETAILED DESCRIPTION

[0029] The principles and spirits of the present application will be explained in detail below with reference to several representative embodiments of the present application.

[0030] Please refer to Figures 1-8 , the present application will be described in detail below with reference to the accompanying drawings and embodiments:

[0031] As Figures 1-2 indicated, a kind of pneumatic ball valve, including ball valve body 1 and symmetrically arranged connecting water pipe 4, two connecting water pipes 4 are respectively fixedly arranged in the front side and rear side of ball valve body 1, ball valve body 1 is installed with spherical valve body 13, pneumatic drive member 5 is installed at the upper end of ball valve body 1, spherical valve body 13 is rotated by pneumatic drive member 5 to control the passing of water flow in ball valve body 1, T-shaped water inlet pipe 6 for cleaning is arranged on the left side of ball valve body 1, L-shaped drain pipe 3 is arranged on the right side, the drain pipe 3 is used to discharge the water flow after cleaning, and will not affect the water quality in connecting water pipe 4, the left end surface of water inlet pipe 6 is closed, wherein water inlet pipe 6 and drain pipe 3 are communicated with ball valve body 1;

[0032] telescopic cylinder 7 is fixedly arranged at the left end surface of water inlet pipe 6, the piston rod of telescopic cylinder 7 penetrates the left end surface of water inlet pipe 6 and is slidingly matched, cleaning mechanism 8 is arranged at the outer end of the piston rod of telescopic cylinder 7, and the cleaning mechanism 8 is used to clean spherical valve body 13, the above-mentioned pneumatic drive member 5 is prior art, which will not be described in detail.

[0033] Specifically, the lower end of the vertical pipe of water inlet pipe 6 is connected with water inlet mechanism outside, and the lower end of the vertical pipe of drain pipe 3 is connected with drain mechanism outside, water is sent into water inlet pipe 6 through water inlet mechanism, and cleaning water flowing into drain pipe 3 is collected and treated through drain mechanism, and the above-mentioned water inlet mechanism and drain mechanism are prior art, which will not be described in detail.

[0034] As Figures 2-5 indicated, in the embodiment, ball valve body 1 includes symmetrically arranged sealing shell 11, two sealing shells 11 are fixedly connected by bolts, and are sealed, spherical valve body 13 is rotatably arranged between two sealing shells 11, and sealing shell 11 is fixed with connecting water pipe 4 by bolts.

[0035] Recess 135 is symmetrically arranged on the circumferential surface of the upper and lower ends of spherical valve body 13, connecting seat one 14 is fixedly arranged in recess 135 by bolts, and connecting shaft 141 is fixedly arranged on the outer end surface of connecting seat one 14.

[0036] The bracket 2 is fixedly arranged at the upper end of the upper sealing shell 11, the pneumatic driving member 5 is fixedly arranged at the upper end surface of the bracket 2, the upper connecting shaft 141 is fixedly connected with the driving shaft of the pneumatic driving member 5, the upper connecting shaft 141 is driven to rotate by the pneumatic driving member 5, and the spherical valve body 13 is driven to rotate in turn.

[0037] The cover plate 15 is fixedly arranged at the lower end of the lower sealing shell 11 through bolts, and the lower connecting shaft 141 is rotationally matched with the cover plate 15, so that the stability of the rotation of the spherical valve body 13 is ensured.

[0038] As shown in Figures 4-5 the embodiment, the water inlet through hole 131 is arranged on the circumferential surface of the front and rear sides of the spherical valve body 13 and communicates with the outside, and the diameter of the water inlet through hole 131 is matched with the inner diameter of the connecting water pipe 4.

[0039] Specifically, in the valve starting state, the water inlet through hole 131 of the spherical valve body 13 communicates with the connecting water pipes 4 on the front and rear sides, and the water flow can pass normally, and in the valve closing state, the pneumatic driving member 5 drives the spherical valve body 13 to rotate by 90°, and the water inlet through hole 131 of the spherical valve body 13 communicates with the water inlet pipe 6 and the drain pipe 3 on the left and right sides.

[0040] As shown in Figures 4-5 the embodiment, the water inlet through hole 131 of the spherical valve body 13 is provided with a fixed ring 132, a circular filter plate 133 and a compression ring 134, the fixed ring 132 is fixedly installed on the inner wall of the water inlet through hole 131, the compression ring 134 is fixedly connected with the fixed ring 132 through bolts, and the filter plate 133 is arranged between the compression ring 134 and the fixed ring 132 and is fixed to the outer surface of the fixed ring 132 through the compression ring 134.

[0041] Specifically, the filter plate 133 can effectively filter impurities in the water flow, so as to improve the water quality of the water flow in the connecting water pipe 4.

[0042] As shown in Figures 3-5 the embodiment, the cleaning mechanism 8 includes a support ring one 81 and a support ring two 812, the support ring one 81 and the support ring two 812 are rotationally arranged in the transverse water pipe of the water inlet pipe 6, the connecting rod 811 is fixedly connected between the support ring one 81 and the support ring two 812, the connecting seat two 813 is fixedly arranged in the support ring one 81, the connecting seat three 822 is fixedly arranged in the support ring two 812, and the connecting seat two 813 and the connecting seat three 822 do not hinder the passing of the water flow.

[0043] A rotating shaft 82 is arranged between the connecting seat two 813 and the connecting seat three 822, a fan blade 821 is fixedly arranged on the surface of the rotating shaft 82, the right end of the rotating shaft 82 penetrates the connecting seat three 822, and a cleaning rod 83 is fixedly arranged on the right end surface of the rotating shaft 82, and a fine brush is arranged on the outer end of the cleaning rod 83, which is used for cleaning the filter holes of the filter plate 133, and the diameter of the fine hairs on the brush is smaller than the diameter of the filter holes, facilitating the cleaning of the filter holes.

[0044] As Figure 8 shown, in the embodiment, the piston rod of the telescopic cylinder 7 is fixed with the connecting seat two 813, the connecting seat two 813 can be pushed by the telescopic cylinder 7, and then the cleaning rod 83 is driven to approach the filter plate 133.

[0045] Specifically, when the valve is in the closed state, the cleaning rod 83 is moved to the position of the filter plate 133 by the telescopic cylinder 7, at this time, the outer surface of the filter plate 133 with impurities accumulated is relative to the drain pipe 3, after the cleaning rod 83 is moved, water is introduced into the inlet pipe 6, at this time, the water flow introduced will drive the fan blade 821 to rotate, the rotation of the fan blade 821 will drive the cleaning rod to rotate, the rotation of the cleaning rod can clean the surface of the filter plate 133, and at the same time, the water flow can effectively remove the impurities attached to the surface of the filter plate 133, so that the impurities are washed into the drain pipe 3 and then into the drain mechanism for centralized cleaning, without the need to disassemble the ball valve body 1 to take out the filter plate 133 for cleaning.

[0046] As some terms are used in the description and claims to refer to certain components. Those skilled in the art should understand that the same components may be referred to by different names by hardware manufacturers. The description and claims of this specification do not distinguish components by name, but by the functional difference of the components. As mentioned throughout the description and claims, "comprising" is an open term, which should be interpreted as "comprising but not limited to". "Approximately" means within an acceptable error range, and those skilled in the art can solve the technical problems within a certain error range, and basically achieve the technical effects.

[0047] It should be noted that the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the goods or systems including a series of elements not only include those elements, but also include other elements not explicitly listed, or include elements inherent to such goods or systems. Without more limitation, the element defined by the sentence "including a" does not exclude the presence of another identical element in the goods or system including the element.

[0048] The foregoing description illustrates and describes several preferred embodiments of the present application. However, it is to be understood that the application is not limited to the precise forms described, and that changes can be made therein without departing from the scope of the present application. Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. Therefore, the specification and examples are to be considered exemplary only, with a true scope and spirit of the application being indicated by the following claims.

Claims

1. A pneumatic ball valve characterized by: The ball valve body and the symmetrical water connecting pipes are provided, the two water connecting pipes are fixedly arranged on the front side and the back side of the ball valve body respectively, the ball valve body is internally provided with a spherical valve body, the upper end of the ball valve body is provided with a pneumatic driving part for driving the spherical valve body to rotate, the left side of the ball valve body is provided with a T-shaped water inlet pipe for cleaning, the right side is provided with an L-shaped water outlet pipe, the left end face of the water inlet pipe is in a closed state, and the water inlet pipe and the water outlet pipe are communicated with the ball valve body; The left end face of the water inlet pipe is fixedly provided with a telescopic air cylinder, the piston rod of the telescopic air cylinder penetrates through the left end face of the water inlet pipe and is in sliding fit, and the outer end of the piston rod of the telescopic air cylinder is provided with a cleaning mechanism for cleaning the spherical valve body.

2. A pneumatic ball valve according to claim 1, characterized in that: The ball valve body comprises symmetrical sealing shells, the two sealing shells are fixedly connected, the spherical valve body is rotatably arranged between the two sealing shells, recesses are symmetrically arranged on the circumferential faces of the upper and lower ends of the spherical valve body, a connecting seat one is fixedly arranged in the recess, and a connecting shaft is fixedly arranged on the outer end face of the connecting seat one.

3. A pneumatic ball valve according to claim 2, characterized in that: The upper end of the upper sealing shell is fixedly provided with a support, the pneumatic driving part is fixedly arranged on the upper end face of the support, and the connecting shaft located at the upper end is fixedly connected with a driving shaft of the pneumatic driving part.

4. A gas-operated ball valve according to claim 2, characterized in that: The lower end of the lower sealing shell is fixedly provided with a cover plate, and the connecting shaft located at the lower end is in rotary fit with the cover plate.

5. A pneumatic ball valve according to claim 1, characterized in that: Water inlet holes communicated with the outside are arranged on the circumferential faces of the front and back sides of the spherical valve body, the diameters of the water inlet holes are matched with the diameters of the inner cavities of the water connecting pipes.

6. A pneumatic ball valve according to claim 5, characterized in that: A fixing ring, a circular filter plate and a pressing ring are arranged in the water inlet holes, the fixing ring is fixedly arranged on the inner wall of the water inlet hole, the pressing ring is fixedly connected with the fixing ring, and the filter plate is arranged between the pressing ring and the fixing ring.

7. A pneumatic ball valve according to claim 1, characterized in that: The cleaning mechanism comprises support rings one and two, the support rings one and two are rotatably arranged in the transversely arranged water pipe of the water inlet pipe, a connecting rod is fixedly connected between the support rings one and two, a connecting seat two is fixedly arranged in the support ring one, and a connecting seat three is fixedly arranged in the support ring two.

8. A pneumatic ball valve according to claim 7, characterized in that: The piston rod of the telescopic air cylinder is fixed with the connecting seat two.

9. A pneumatic ball valve according to claim 1, characterized in that: A rotating shaft is rotatably arranged between the connecting seat two and the connecting seat three, the surface of the rotating shaft is fixedly provided with a fan blade, the right end of the rotating shaft penetrates through the connecting seat three, and a cleaning rod is fixedly arranged on the right end face of the rotating shaft.

10. A pneumatic ball valve according to claim 9, characterized in that: The outer end of the cleaning rod is provided with a fine brush, and the diameters of the fine hairs on the brush are smaller than the diameters of the filter holes.

Images