High-sealing-performance pneumatic petroleum valve flashboard

Abstract

The utility model relates to the technical field of valve flashboards, and discloses a pneumatic petroleum valve flashboard with high sealing performance, a baffle is fixedly connected to the top in a frame, an oil injection mechanism is arranged at the top of the frame, a sealing mechanism is arranged on the inner side of the frame, the sealing mechanism comprises an air cylinder, the air cylinder is fixedly connected to the top of the frame, and the air cylinder is fixedly connected to the top of the frame. The bottom of the air cylinder is fixedly connected with a flashboard body, the inside of the flashboard body is fixedly connected with a fixing rod, the periphery of the fixing rod is slidably connected with a sliding plate, the front face of the top of the sliding plate is fixedly connected with an inclined plate, an insertion plate is inserted into the inner side of the inclined plate, and the front face of the insertion plate is fixedly connected with a sealing plate. Through the elastic acting force of the spring, the inclined plate can be inserted into the inserting plate, the sealing plate is replaced, the adverse effect can be relieved, the overall service life of the gate valve is prolonged, and the new sealing plate has better corrosion resistance and abrasion resistance and can better adapt to the severe working environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve gate technical field, concretely is a kind of high sealing property pneumatic petroleum valve gate. BACKGROUND

[0002] High sealing property pneumatic petroleum valve gate is a valve equipment for petroleum industry, its main feature is with higher sealing property and reliability.This valve usually adopts pneumatic drive mode, can realize remote control and automation operation, improve work efficiency and safety.

[0003] The utility model discloses a kind of high sealing property pneumatic petroleum valve gate of CN 210949967 U, pneumatic valve sealing property is good, effectively prevent the phenomenon that liquid leakage leads to valve internal rust, valve stem top adds liquid inlet can add lubricating oil liquid, by internal passage to the root of brush, by brush even brushing is coated in gate movable cavity inner side wall, play lubricating effect.

[0004] The high sealing property pneumatic petroleum valve gate, by internal passage to the root of brush, by brush even brushing is coated in gate movable cavity inner side wall, play lubricating effect, but the device cannot be disassembled and replaced to the sealing plate of gate plate surface, make the sealing performance of valve decline, leakage phenomenon also appears, thus needs improvement. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of high sealing property pneumatic petroleum valve gate to solve the problems presented in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of high sealing property pneumatic petroleum valve gate, including frame, the frame top is fixedly connected with baffle, the frame top is provided with oil injection mechanism, the frame inner side is provided with sealing mechanism;

[0007] The sealing mechanism includes cylinder, the cylinder is fixedly connected on frame top, the cylinder bottom is fixedly connected with gate body, the gate body is fixedly connected with fixed rod in the inside, the fixed rod is slidably connected with sliding plate on the periphery, the sliding plate top front surface is fixedly connected with inclined plate, the inclined plate inner side is inserted with plugboard, the plugboard front surface is fixedly connected with sealing plate, the sealing plate back end left and right sides are fixedly connected with limit stop, the fixed rod periphery is sleeved with spring.

[0008] Preferably, the spring inner side is fixedly connected to the sliding plate outer side, and the spring outer side is fixedly connected to the gate body inner side, by the elastic force of spring, the inclined plate can be inserted into the plugboard inside, replace the sealing plate.

[0009] Preferably, the inside of the gate body is provided with a socket corresponding to the position of the limiting plate, and the limiting plate is inserted into the socket, and the socket is provided to enable the limiting plate to be inserted into the inside of the gate body to limit the sealing plate.

[0010] Preferably, the sealing plate is arranged on the front face of the gate body, the back end of the sealing plate is attached to the front face of the gate body, and the front face of the sealing plate is attached to the inside of the baffle, and the sealing plate is arranged to ensure that the gate valve can form a good seal when closed to prevent leakage of the medium.

[0011] Preferably, the oil injection mechanism comprises a fixed frame fixedly connected to the top of the frame, a motor fixedly connected to the top front of the fixed frame, a worm fixedly connected to the left side of the motor, a worm wheel engaged with the back end of the worm, a support member fixedly connected to the bottom periphery of the worm wheel, a threaded rod threadedly connected to the inside of the worm wheel, a lifting plate fixedly connected to the bottom of the threaded rod, a sliding bar fixedly connected to the top of the lifting plate, a sliding rod fixedly connected to the bottom of the lifting plate, an extrusion plate fixedly connected to the bottom of the sliding rod, an oil storage tank slidingly connected to the periphery of the extrusion plate, and an oil injection pipe fixedly connected to the inside of the frame and fixedly connected to the left and right sides of the oil storage tank.

[0012] Preferably, a circular groove corresponding to the movement trajectory of the support member is formed in the top of the fixed frame, and the support member is slidingly connected to the inside of the circular groove, and the circular groove is provided to enable the support member to rotate inside the fixed frame, and the support member is arranged to support the worm wheel to make the worm wheel more stable during rotation.

[0013] Preferably, the extrusion plate is arranged inside the oil storage tank, and the outside of the extrusion plate is attached to the inside of the oil storage tank, and the extrusion plate is arranged to extrude the lubricating oil inside the oil storage tank when the extrusion plate moves downward, so that the lubricating oil can be transmitted to the inside of the frame through the oil injection pipe to lubricate the gate plate.

[0014] Compared with the prior art, the high-sealing pneumatic petroleum valve gate provided by the utility model has the following beneficial effects:

[0015] 1. The high-sealing pneumatic petroleum valve gate, when the sealing plate on the front face of the petroleum gate body is damaged and needs to be replaced, the sealing mechanism is arranged, the cylinder, the gate body, the sealing plate, the spring, the fixed rod, the sliding plate, the limiting plate, the plug plate and the inclined plate cooperate with petroleum, the elastic force of the spring enables the inclined plate to be inserted into the inside of the plug plate to replace the sealing plate, which can reduce adverse effects, prolong the overall service life of the gate valve, the new sealing plate has better corrosion resistance and wear resistance, and can better adapt to harsh working environments.

[0016] 2. The high-sealing pneumatic petroleum valve gate, through the oil injection mechanism, when the left and right sides of the petroleum gate body need to be injected, the oil injection pipe can drop to the left and right sides of the gate body through the cooperation of the oil injection pipe, the oil storage tank, the sliding rod, the lifting plate, the supporting piece, the worm gear, the sliding bar, the threaded rod, the motor, the worm, the extrusion plate and the fixed frame, so that the friction of the gate body is smaller during lifting, and the gate body can be lubricated and the friction resistance can be reduced through regular oil injection, so that the opening and closing of the gate body is more flexible and smooth. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings:

[0018] Figure 1 It is a front view structural schematic diagram of the present application;

[0019] Figure 2 It is a sealing mechanism structural schematic diagram;

[0020] Figure 3 It is a limiting plate, plug-in plate and inclined plate structural schematic diagram;

[0021] Figure 4 It is an oil injection mechanism structural schematic diagram.

[0022] In the figure: 1, frame; 2, oil injection mechanism; 21, oil injection pipe; 22, oil storage tank; 23, sliding rod; 24, lifting plate; 25, supporting piece; 26, worm gear; 27, sliding bar; 28, threaded rod; 29, motor; 201, worm; 202, extrusion plate; 203, fixed frame; 3, baffle; 4, sealing mechanism; 41, air cylinder; 42, gate body; 43, sealing plate; 44, spring; 45, fixed rod; 46, sliding plate; 47, limiting plate; 48, plug-in plate; 49, inclined plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication of two elements or the interaction of two elements.For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] The utility model provides the following technical scheme:

[0026] Embodiment one

[0027] Please refer to Figures 1-4 The utility model provides a technical scheme: a high sealing pneumatic petroleum valve gate, including frame 1, the top of frame 1 is fixedly connected with baffle 3, frame 1 top is provided with oiling mechanism 2, frame 1 inside is provided with sealing mechanism 4;

[0028] Sealing mechanism 4 includes cylinder 41, cylinder 41 is fixedly connected on the top of frame 1, cylinder 41 bottom is fixedly connected with gate body 42, gate body 42 inside is fixedly connected with fixed rod 45, fixed rod 45 periphery is slidably connected with sliding plate 46, sliding plate 46 top front surface is fixedly connected with inclined plate 49, inclined plate 49 inside is inserted with plugboard 48, plugboard 48 front surface is fixedly connected with sealing plate 43, sealing plate 43 back end left and right sides are fixedly connected with limit plate 47, fixed rod 45 periphery is sleeved with spring 44.

[0029] Further, spring 44 inside is fixedly connected to sliding plate 46 outside, and spring 44 outside is fixedly connected to gate body 42 inside, the elastic force of spring 44 makes that inclined plate 49 can be inserted into plugboard 48 inside, and sealing plate 43 is replaced.

[0030] Further, the inside of gate body 42 is provided with a plug hole corresponding to the position of limit plate 47, and limit plate 47 is inserted into the inside of the plug hole, and the limit plate 47 is inserted into the inside of the gate body 42 through the plug hole, and the sealing plate 43 is limited.

[0031] Further, the sealing plate 43 is arranged on the front surface of the gate body 42, the back end of the sealing plate 43 is attached to the front surface of the gate body 42, and the front surface of the sealing plate 43 is attached to the inside of the baffle 3, and the sealing plate 43 is arranged to ensure that the gate valve can form a good seal when closed to prevent leakage of medium.

[0032] Embodiment two

[0033] Please refer to Figures 1-4And on the basis of embodiment one, further get the oil injection mechanism 2 including fixed frame 203, fixed frame 203 fixedly connected to the top of the frame 1, the top of the fixed frame 203 is fixedly connected with the motor 29, the left side of the motor 29 is fixedly connected with the worm 201, the back end of the worm 201 is engaged with the worm wheel 26, the bottom of the worm wheel 26 is fixedly connected with the support 25, the inside of the worm wheel 26 is threadedly connected with the threaded rod 28, the bottom of the threaded rod 28 is fixedly connected with the lifting plate 24, the top of the lifting plate 24 is fixedly connected with the slide bar 27, the bottom of the lifting plate 24 is fixedly connected with the slide rod 23, the bottom of the slide rod 23 is fixedly connected with the extrusion plate 202, the extrusion plate 202 is slidably connected with the oil storage tank 22, the oil storage tank 22 is fixedly connected with the oil injection pipe 21 on the left and right sides, and the oil injection pipe 21 is fixedly connected to the inner side of the frame 1.

[0034] Further, the top of the fixed frame 203 is provided with a circular groove corresponding to the movement track of the support 25, and the support 25 is slidably connected inside the circular groove. The circular groove enables the support 25 to rotate inside the fixed frame 203, and the support 25 can support the worm wheel 26, making the worm wheel 26 more stable during rotation.

[0035] Further, the extrusion plate 202 is arranged inside the oil storage tank 22, and the outer side of the extrusion plate 202 is in close contact with the inner side of the oil storage tank 22. When the extrusion plate 202 moves downward, it can extrude the lubricating oil inside the oil storage tank 22, so that the lubricating oil can be transmitted to the inner side of the frame 1 through the oil injection pipe 21 to lubricate the gate plate.

[0036] In actual operation, when the device is in use, when the sealing plate 43 on the front of the oil gate plate body 42 is damaged and needs to be replaced, pull the sliding plate 46 to make the sliding plate 46 drive the inclined plate 49 away from the plug plate 48, so that the damaged sealing plate 43 can be disassembled, and the new sealing plate 43 is inserted into the gate plate body 42, so that the plug plate 48 can extrude the inclined plate 49, and the inclined plate 49 can extrude the spring 44 through the sliding plate 46. When the plug plate 48 does not extrude the inclined plate 49, the inclined plate 49 can be inserted into the plug plate 48 through the elastic force of the spring 44, and the sealing plate 43 can be replaced. Replacing the sealing plate 43 can reduce the adverse effects and prolong the overall life of the gate valve. The new sealing plate 43 has better corrosion resistance and wear resistance, and can better adapt to harsh working environments.

[0037] When it is necessary to inject oil to the left and right sides of the gate body 42, the worm 201 is driven to rotate by the motor 29, so that the worm 201 drives the threaded rod 28 to rotate through the worm gear 26, so that the threaded rod 28 can drive the lifting plate 24 to move downward, so that the lifting plate 24 can drive the extrusion plate 202 to move downward through the slide rod 23, so that the extrusion plate 202 can extrude the lubricating oil inside the oil storage tank 22, so that the lubricating oil can be transmitted to the inside of the frame 1 through the oil injection pipe 21, so that the oil injection pipe 21 can drop to the left and right sides of the gate body 42, so that the gate body 42 has smaller friction in the lifting process. Through regular oil injection, the gate body 42 can be lubricated to reduce frictional resistance, so that the gate body 42 is more flexible and smooth in opening and closing.

[0038] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

Claims

1. A high containment pneumatic petrochemical valve gate comprising a frame (1), characterized in that: The frame (1) is internally fixedly connected with a baffle (3), the frame (1) is provided with an oil injection mechanism (2) on the top, and the frame (1) is internally provided with a sealing mechanism (4); The sealing mechanism (4) comprises a gas cylinder (41), the gas cylinder (41) is fixedly connected to the top of the frame (1), the bottom of the gas cylinder (41) is fixedly connected with a shutter body (42), the inside of the shutter body (42) is fixedly connected with a fixed rod (45), the periphery of the fixed rod (45) is slidably connected with a sliding plate (46), the top of the sliding plate (46) is fixedly connected with an inclined plate (49) on the front, the inside of the inclined plate (49) is inserted with an insertion plate (48), the front of the insertion plate (48) is fixedly connected with a sealing plate (43), the back of the sealing plate (43) is fixedly connected with a limiting plate (47) on the left and right sides, and the periphery of the fixed rod (45) is sleeved with a spring (44).

2. A high containment, pneumatically operated, petroleum valve gate as defined in claim 1, wherein: The inside of the spring (44) is fixedly connected to the outside of the sliding plate (46), and the outside of the spring (44) is fixedly connected to the inside of the shutter body (42).

3. The high containment, pneumatically operated, petrochemical valve gate of claim 1, wherein: The inside of the shutter body (42) is provided with a insertion hole corresponding to the position of the limiting plate (47), and the limiting plate (47) is inserted into the inside of the insertion hole.

4. The high containment, pneumatically operated, petrochemical valve gate of claim 1, wherein: The sealing plate (43) is arranged on the front of the shutter body (42), the back of the sealing plate (43) is attached to the front of the shutter body (42), and the front of the sealing plate (43) is attached to the inside of the baffle (3).

5. The high containment, pneumatically operated, petrochemical valve gate of claim 1, wherein: The oil injection mechanism (2) comprises a fixed frame (203), the fixed frame (203) is fixedly connected to the top of the frame (1), the top of the fixed frame (203) is fixedly connected with a motor (29) on the front, the left side of the motor (29) is fixedly connected with a worm (201), the back of the worm (201) is engaged with a worm wheel (26), the bottom of the worm wheel (26) is fixedly connected with a support (25) on the periphery, the inside of the worm wheel (26) is threadedly connected with a threaded rod (28), the bottom of the threaded rod (28) is fixedly connected with a lifting plate (24), the top of the lifting plate (24) is fixedly connected with a sliding bar (27), the bottom of the lifting plate (24) is fixedly connected with a sliding rod (23), the bottom of the sliding rod (23) is fixedly connected with an extrusion plate (202), the periphery of the extrusion plate (202) is slidably connected with an oil storage tank (22), the left and right sides of the oil storage tank (22) are fixedly connected with an oil injection pipe (21), and the oil injection pipe (21) is fixedly connected to the inside of the frame (1).

6. A high containment, pneumatically operated, petroleum valve gate as defined in claim 5, wherein: The top of the fixed frame (203) is internally provided with a circular groove corresponding to the movement track of the support (25), and the support (25) is slidably connected inside the circular groove.

7. A high containment, pneumatically operated, petroleum valve gate as defined in claim 5, wherein: The extrusion plate (202) is arranged on the inside of the oil storage tank (22), and the outside of the extrusion plate (202) is attached to the inside of the oil storage tank (22).

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