CN212839432U - Regulating valve with gravity compensation mechanism - Google Patents
Regulating valve with gravity compensation mechanism Download PDFInfo
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- CN212839432U CN212839432U CN202020574758.7U CN202020574758U CN212839432U CN 212839432 U CN212839432 U CN 212839432U CN 202020574758 U CN202020574758 U CN 202020574758U CN 212839432 U CN212839432 U CN 212839432U
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Abstract
The utility model discloses a governing valve with gravity compensation mechanism, including the valve body, the inside of valve body is equipped with the valve plate, fixedly connected with sealing washer around the valve plate, the middle part fixedly connected with valve rod of valve plate, the valve rod runs through middle part and the valve plate fixed connection who advances the valve plate, the upper and lower both ends of valve body have all been opened and have been changeed the hole, and the hole that changes at both ends about the upper and lower both ends of valve rod and the valve body rotates and is connected, and the upper and lower both ends of valve rod run through out the upper and lower both ends of valve body, the top fixedly connected with. The utility model contacts the movable block inside the sealing cavity through the connecting rod at the bottom of the valve rod; the piston of bottom and the piston cylinder swing joint of its bottom fill compressed air through the inside of admitting air interface to the piston cylinder to can drive the piston and have an ascending thrust, thereby offset the gravity of valve rod and valve plate simultaneously, thereby can not lead to the deformation because of the long-time use of valve plate.
Description
Technical Field
The utility model relates to the technical field of valves, specifically be a governing valve with gravity compensation mechanism.
Background
The regulating valve is also called a control valve, and in the field of industrial automation process control, the final control element for changing the process parameters of medium flow, pressure, temperature, liquid level and the like by power operation through receiving the control signal output by a regulating control unit. Generally consisting of an actuator and a valve. If according to the stroke characteristic, the regulating valve can be divided into a straight stroke and an angular stroke; the pneumatic regulating valve, the electric regulating valve and the hydraulic regulating valve can be divided into three types according to the power used by the matched executing mechanism; the method is divided into three types, namely a linear characteristic, an equal percentage characteristic and a parabolic characteristic according to functions and characteristics of the method. The regulating valve is suitable for air, water, steam, various corrosive media, slurry, oil and other media. The name of English: control valve, position number usually begins with FV. The common classification of regulating valves: pneumatic regulating valve, electric regulating valve, hydraulic regulating valve and self-operated regulating valve.
When the existing regulating valve is used, the valve plate is deformed due to the gravity action of the valve plate after long-time use, so that the regulating valve with the gravity compensation mechanism is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a governing valve with gravity compensation mechanism to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a regulating valve with a gravity compensation mechanism comprises a valve body, wherein a valve plate is arranged in the valve body, a sealing ring is fixedly connected to the periphery of the valve plate, a valve rod is fixedly connected to the middle of the valve plate and penetrates through the middle of the valve plate to be fixedly connected with the valve plate, rotary holes are formed in the upper end and the lower end of the valve body, the upper end and the lower end of the valve rod are rotatably connected with the rotary holes in the upper end and the lower end of the valve body, the upper end and the lower end of the valve rod penetrate through the upper end and the lower end of the valve body, a top plate is fixedly connected to the top of the valve body, a bearing is fixedly connected to the top of the top plate, the top of the valve rod is movably connected with the bearing, a bottom plate is fixedly connected to the bottom of the valve body, a bottom shell is arranged at the bottom of, the improved air-suction type air-suction device is characterized in that a movable block is arranged in the sealed cavity below the connecting rod, springs are fixedly connected to two sides of the bottom of the movable block, a piston is fixedly connected to the bottom of the movable block, a piston cylinder is fixedly connected to the bottom of the inner wall of the sealed cavity, the outer wall of the piston is in sliding connection with the inner wall of the piston cylinder, an air inlet hole is formed in the bottom of the piston cylinder, a check valve is fixedly connected to the bottom of the air inlet hole in the bottom of the sealed cavity, and an air inlet connector is fixedly.
Preferably, the valve plate is convex in the middle and thin in the periphery, the section of the sealing ring around the valve plate is semicircular, and the sealing ring is in close contact with the inner wall of the valve body.
Preferably, the bottom of the bottom shell is arc-shaped, four corners of the bottom shell are fixedly connected with four corners of the bottom plate through bolts and nuts, and rubber rings are fixedly connected to the periphery of the top of the bottom shell.
Preferably, the top shape of the movable block is arc-shaped, the top of the movable block is in close contact with the bottom of the connecting rod, and lubricating oil is coated between the movable block and the connecting rod.
Preferably, the two springs are fixedly connected with the bottom of the inner wall of the sealing cavity, and the included angle between the two springs and the horizontal plane of the sealing cavity is 45 degrees.
Preferably, the top of the valve rod is fixedly connected with a hand wheel.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model contacts the movable block inside the sealing cavity through the connecting rod at the bottom of the valve rod; the piston of bottom and the piston cylinder swing joint of its bottom fill compressed air through the inside of admitting air interface to the piston cylinder to can drive the piston and have an ascending thrust, thereby offset the gravity of valve rod and valve plate simultaneously, thereby can not lead to the deformation because of the long-time use of valve plate.
(2) The utility model discloses a through the spring of movable block both sides, make the movable block can fix in relative position, can not lead to the movable block off tracking because of the ascending thrust of piston cylinder.
Drawings
Fig. 1 is a cross-sectional view of a front view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
fig. 3 is a cross-sectional view of the top view of the valve plate of the present invention.
In the figure: the valve comprises a valve body 1, a valve plate 2, a valve rod 3, a bearing 4, a sealing ring 5, a bottom plate 6, a bottom shell 7, a bolt 8, a rubber ring 9, a nut 10, a sealing cavity 11, a connecting rod 12, a movable block 13, a spring 14, a piston 15, a piston cylinder 16, a check valve 17, an air inlet port 18 and a hand wheel 19.
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.
Referring to fig. 1-3, the present invention provides a technical solution: a regulating valve with a gravity compensation mechanism comprises a valve body 1, a valve plate 2 is arranged inside the valve body 1, a sealing ring 5 is fixedly connected to the periphery of the valve plate 2, the valve plate 2 is in a middle convex shape and is thin in the periphery, the section shape of the sealing ring 5 on the periphery of the valve plate 2 is semicircular, the sealing ring 5 is in close contact with the inner wall of the valve body 1, a valve rod 3 is fixedly connected to the middle of the valve plate 2, the valve rod 3 penetrates through the middle of the valve plate 2 and is fixedly connected with the valve plate 2, rotary holes are formed in the upper end and the lower end of the valve body 1, the upper end and the lower end of the valve rod 3 are rotatably connected with the rotary holes in the upper end and the lower end of the valve body 1, the upper end and the lower end of the valve rod 3 penetrate through the upper end and the lower end of the valve body 1, a top plate is fixedly connected with the top, the bottom of the bottom plate 6 is provided with a bottom shell 7, the bottom of the bottom shell 7 is arc-shaped, the four corners of the bottom shell 7 are fixedly connected with the four corners of the bottom plate 6 through bolts 8 and nuts 10, a rubber ring 9 is fixedly connected around the top of the bottom shell 7, a sealing cavity 11 is fixedly connected with the inner wall of the bottom shell 7, a connecting rod 12 is fixedly connected with the bottom of the valve rod 3, the connecting rod 12 penetrates through the inner wall of the sealing cavity 11, a movable block 13 is arranged in the sealing cavity 11 below the connecting rod 12, the top of the movable block 13 is arc-shaped, the top of the movable block 13 is in close contact with the bottom of the connecting rod 12, lubricating oil is coated between the movable block 13 and the connecting rod 12, springs 14 are fixedly connected to the two sides of the bottom of the movable block 13, the movable block 13 can be fixed at a relative position through the springs 14 on the two sides of, the two springs 14 are fixedly connected with the bottom of the inner wall of the sealing cavity 11, the included angle between the two springs 14 and the horizontal plane of the sealing cavity 11 is 45 degrees, the bottom of the movable block 13 is fixedly connected with a piston 15, the bottom of the inner wall of the sealing cavity 11 is fixedly connected with a piston cylinder 16, the outer wall of the piston 15 is in sliding connection with the inner wall of the piston cylinder 16, the bottom of the piston cylinder 16 is provided with an air inlet hole, the bottom of the air inlet hole is fixedly connected with a check valve 17 at the bottom of the sealing cavity 11, the bottom of the check valve 17 is fixedly connected with an air inlet interface 18, and the movable block 13 is in contact with the movable block 13; piston 15 at the bottom and piston cylinder 16 swing joint at its bottom fill compressed air through admitting air interface 18 to the inside of piston cylinder 16 to can drive piston 15 and have an ascending thrust, thereby offset the gravity of valve rod 3 and valve plate 2 simultaneously, thereby can not lead to the deformation because of long-time the use of valve plate 2.
The working principle is as follows: when the utility model is used, the connecting rod at the bottom of the valve rod is contacted with the movable block inside the sealing cavity, and the movable block is arranged on the valve rod; the piston of bottom and the piston cylinder swing joint of its bottom fill compressed air through the inside of admitting air interface toward the piston cylinder to can drive the piston and have an ascending thrust, thereby offset the gravity of valve rod and valve plate simultaneously, thereby can not lead to warping because of the long-time use of valve plate, the spring of movable block both sides makes the movable block can fix in relative position, can not lead to the movable block off tracking because of the ascending thrust of piston cylinder.
In summary, the connecting rod 12 at the bottom of the valve rod 3 is contacted with the movable block 13 in the sealing cavity 11, and the movable block 13; piston 15 of bottom and the 16 swing joint of piston cylinder of its bottom fill compressed air through admitting air interface 18 to 16 inside of piston cylinder to can drive piston 15 and have an ascending thrust, thereby offset the gravity of valve rod 3 and valve plate 2 simultaneously, thereby can not lead to the deformation because of long-time use of valve plate 2, through the spring 14 of movable block 13 both sides, make movable block 13 can fix in relative position, can not lead to the movable block 13 off tracking because of the ascending thrust of piston cylinder 16.
Claims (6)
1. A governing valve with gravity compensation mechanism, includes valve body (1), its characterized in that: the improved valve is characterized in that a valve plate (2) is arranged in the valve body (1), a sealing ring (5) is fixedly connected to the periphery of the valve plate (2), a valve rod (3) is fixedly connected to the middle of the valve plate (2), the valve rod (3) penetrates through the middle of the valve plate (2) and is fixedly connected with the valve plate (2), rotary holes are formed in the upper end and the lower end of the valve body (1), the upper end and the lower end of the valve rod (3) are rotatably connected with the rotary holes in the upper end and the lower end of the valve body (1), the upper end and the lower end of the valve rod (3) penetrate through the upper end and the lower end of the valve body (1), a top plate is fixedly connected to the top of the valve body (1), a bearing (4) is fixedly connected to the top of the top plate, the top of the valve rod (3) is movably connected with the bearing (4), a bottom plate (, a sealing cavity (11) is fixedly connected with the inner wall of the bottom shell (7), a connecting rod (12) is fixedly connected with the bottom of the valve rod (3), the connecting rod (12) penetrates through the inner wall of the sealing cavity (11), a movable block (13) is arranged in the sealing cavity (11) and below the connecting rod (12), two sides of the bottom of the movable block (13) are fixedly connected with springs (14), the bottom of the movable block (13) is fixedly connected with a piston (15), the bottom of the inner wall of the sealing cavity (11) is fixedly connected with a piston cylinder (16), the outer wall of the piston (15) is connected with the inner wall of the piston cylinder (16) in a sliding way, the bottom of the piston cylinder (16) is provided with an air inlet, the bottom of the air inlet is fixedly connected with a check valve (17) at the bottom of the sealing cavity (11), the bottom of the one-way valve (17) is fixedly connected with an air inlet interface (18).
2. The regulator valve with gravity compensation mechanism according to claim 1, wherein: the valve plate (2) is convex in the middle and thin in the periphery, the section of the sealing ring (5) on the periphery of the valve plate (2) is semicircular, and the sealing ring (5) is in close contact with the inner wall of the valve body (1).
3. The regulator valve with gravity compensation mechanism according to claim 1, wherein: the bottom of the bottom shell (7) is arc-shaped, four corners of the bottom shell (7) are fixedly connected with four corners of the bottom plate (6) through bolts (8) and nuts (10), and rubber rings (9) are fixedly connected to the periphery of the top of the bottom shell (7).
4. The regulator valve with gravity compensation mechanism according to claim 1, wherein: the top shape of movable block (13) is arc, the top of movable block (13) and the bottom in close contact with of connecting rod (12), and scribble lubricating oil between movable block (13) and connecting rod (12).
5. The regulator valve with gravity compensation mechanism according to claim 1, wherein: two spring (14) and the inner wall bottom fixed connection of sealed chamber (11), two the contained angle of spring (14) and sealed chamber (11) horizontal plane is 45 degrees.
6. The regulator valve with gravity compensation mechanism according to claim 1, wherein: the top of the valve rod (3) is fixedly connected with a hand wheel (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020574758.7U CN212839432U (en) | 2020-04-17 | 2020-04-17 | Regulating valve with gravity compensation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020574758.7U CN212839432U (en) | 2020-04-17 | 2020-04-17 | Regulating valve with gravity compensation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212839432U true CN212839432U (en) | 2021-03-30 |
Family
ID=75151933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020574758.7U Active CN212839432U (en) | 2020-04-17 | 2020-04-17 | Regulating valve with gravity compensation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212839432U (en) |
-
2020
- 2020-04-17 CN CN202020574758.7U patent/CN212839432U/en active Active
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