CN118935001B - A soft sealing gate valve - Google Patents
A soft sealing gate valve Download PDFInfo
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- CN118935001B CN118935001B CN202411304064.0A CN202411304064A CN118935001B CN 118935001 B CN118935001 B CN 118935001B CN 202411304064 A CN202411304064 A CN 202411304064A CN 118935001 B CN118935001 B CN 118935001B
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- rotating
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- 238000007789 sealing Methods 0.000 title description 10
- 239000012530 fluid Substances 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0272—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor permitting easy assembly or disassembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
本发明涉及闸阀技术领域，公开了一种软密封闸阀，包括闸阀主体，所述闸阀主体包括阀体、阀盖、阀杆、支架、阀板、手柄，所述阀盖的外壁固定安装有排流机构；所述排流机构包括转动板、连接部件、固定架，所述转动板通过轴承与阀杆转动连接，所述固定架的底部固定安装有安装板，所述安装板通过螺栓与阀盖固定连接，所述固定架的内侧固定安装有气筒，所述气筒的内壁滑动设置有活塞，在需要关阀时，阀杆下移带动阀板和转动板下移，随着阀板下移阀门逐渐关闭，此时转动板下移带动活塞杆下移，进而带动活塞下移，将气筒内的空气挤入到充气管内，然后再挤入到阀杆内，利用气压将阀盖与阀体之间的流体排入到阀体内，实现排流的效果。
The present invention relates to the technical field of gate valves, and discloses a soft-sealed gate valve, comprising a gate valve body, the gate valve body comprising a valve body, a valve cover, a valve stem, a bracket, a valve plate, and a handle, wherein a discharge mechanism is fixedly installed on an outer wall of the valve cover; the discharge mechanism comprises a rotating plate, a connecting component, and a fixing frame, the rotating plate is rotatably connected to the valve stem through a bearing, a mounting plate is fixedly installed on the bottom of the fixing frame, the mounting plate is fixedly connected to the valve cover through bolts, an air cylinder is fixedly installed on the inner side of the fixing frame, a piston is slidably arranged on the inner wall of the air cylinder, when the valve needs to be closed, the valve stem moves downward to drive the valve plate and the rotating plate to move downward, and the valve is gradually closed as the valve plate moves downward, at this time, the rotating plate moves downward to drive the piston rod to move downward, and then drives the piston to move downward, squeezes the air in the air cylinder into the inflation tube, and then squeezes it into the valve stem, and uses air pressure to discharge the fluid between the valve cover and the valve body into the valve body, thereby achieving a discharge effect.
Description
Technical Field
The invention relates to the technical field of gate valves, in particular to a soft sealing gate valve.
Background
The soft sealing gate valve is characterized in that an opening and closing piece of the soft sealing gate valve is a gate plate, the moving direction of the gate plate is perpendicular to the direction of fluid, the gate valve can only be fully opened and fully closed, and cannot be regulated and throttled, however, the existing soft sealing gate valve still has some defects in use, for example, when the valve plate ascends to open the valve, fluid enters a valve cover from a gap between a valve body and the valve plate, when the valve plate descends to close the valve, the fluid still remains in the valve cover, and if the valve is not opened for a long time, the fluid still remains in the gap between the valve cover and the valve body for a long time, and the valve body and the inner part of the valve cover are easily corroded.
Disclosure of Invention
The invention aims to provide a soft sealing gate valve, which solves the problems in the prior art.
The soft sealing gate valve comprises a gate valve main body, wherein the gate valve main body comprises a valve body, a valve cover, a valve rod, a bracket, a valve plate and a handle, and a drainage mechanism is fixedly arranged on the outer wall of the valve cover;
The drainage mechanism comprises a rotating plate, a connecting part and a fixing frame, wherein the rotating plate is rotationally connected with a valve rod through a bearing, a mounting plate is fixedly arranged at the bottom of the fixing frame and fixedly connected with a valve cover through bolts, an air cylinder is fixedly arranged at the inner side of the fixing frame, a piston is slidably arranged on the inner wall of the air cylinder, a piston rod is fixedly arranged at the top of the piston, the piston rod is fixedly connected with the rotating plate through the connecting part, an air charging pipe and an air inlet pipe are arranged at the bottom end of the air cylinder in a communicating manner, one end of the air charging pipe, far away from the air cylinder, is communicated with the inner part of the valve cover, and a one-way valve is arranged at the communicating position of the air charging pipe, the air inlet pipe and the air cylinder.
Furthermore, the connecting parts and the fixing frame are both provided with two parts, and are distributed symmetrically left and right about the center of the rotating plate, and a gap is reserved between the inflator and the valve cover.
Further, the connecting component comprises a clamping groove, an upper nut and a lower nut, the clamping groove is formed in the end portion of the rotating plate, the piston rod penetrates through the clamping groove, the upper nut and the lower nut are sleeved on the piston rod in a threaded mode, the upper nut is arranged above the rotating plate, and the lower nut is arranged below the rotating plate.
Further, elastic gaskets are arranged among the upper nut, the lower nut and the rotating plate, the diameter of each elastic gasket is larger than that of the clamping groove, and the circle center of the circumference radius of the clamping groove coincides with the circle center of the rotating track of the rotating plate.
Further, the end thread bush of intake pipe is equipped with attach fitting, attach fitting's front end intercommunication is provided with the end of admitting air, the port department fixed mounting of end of admitting air has the filter screen.
Further, a hand pulling plate is fixedly arranged at the top end of the piston rod, and anti-skidding patterns are arranged on the outer wall of the hand pulling plate.
Further, the outer wall of valve rod rotates the cover and is equipped with the rotation section of thick bamboo, the inner wall of rotation section of thick bamboo is provided with integrated into one piece's sand grip, the sand grip slides and sets up in the spout on the valve rod outer wall, the outer wall of rotation section of thick bamboo is connected with the fixing base through the bearing rotation, fixing base fixed mounting is on the top of support, the outer wall fixed mounting of rotation section of thick bamboo has gear one, gear one meshing has gear two, the inner wall fixed mounting of gear two has pivot one, the top fixed mounting of pivot one has the motor.
Further, the outer wall fixed mounting of support has the mounting bracket, the top fixed mounting of mounting bracket has the shell, the shell covers gear one, gear two, pivot one, motor, and the top of motor and the top inner wall fixed connection of shell.
Further, the outer wall of the first gear is meshed with a third gear, a second rotating shaft is fixedly arranged on the inner wall of the third gear, and the top end of the second rotating shaft penetrates through the inner wall of the top of the shell through a bearing.
Further, a rotating handle is fixedly arranged at the top end of the second rotating shaft, the third gear and the second gear are symmetrically distributed around the first gear, and the third gear, the second gear and the first gear are identical in specification.
Compared with the prior art, the invention has the beneficial effects that:
1. When the valve is required to be closed, the valve rod moves downwards to drive the valve plate and the rotating plate to move downwards, the valve rod is gradually closed along with the valve plate moving downwards, the rotating plate moves downwards to drive the piston rod to move downwards at the moment, the piston is further driven to move downwards, air in the air cylinder is extruded into the air charging pipe and then into the valve rod, and fluid between the valve cover and the valve body is discharged into the valve body by utilizing air pressure, so that the drainage effect is realized;
2. Because the inner diameter of the air charging pipe is far smaller than the diameter of the piston, the air pressure extruded into the air charging pipe is boosted, so that the fluid between the valve body and the valve cover can be extruded, and a one-way valve is arranged at the communication part of the air charging pipe, the air inlet pipe and the air cylinder, so that the air can only enter the air cylinder from the air inlet pipe and the air in the air cylinder can only enter the air charging pipe;
3. the rotating plate is detachably connected with the piston rod, so that when the gate valve main body and the drainage mechanism are overhauled, the valve body and the valve cover can be normally separated, the fixing frame and other structures are detached, the rotating plate and the piston rod are tightly connected together through the upper nut and the lower nut which are arranged up and down, and when the rotating plate and the piston rod are required to be detached, the upper nut and the lower nut are only required to be unscrewed;
4. The protruding strips in the rotating cylinder are used for limiting the space between the rotating cylinder and the valve rod, so that the rotating cylinder can rotate to drive the valve rod to rotate, meanwhile, the valve rod can also move up and down relative to the rotating cylinder, the motor drives the first rotating shaft to rotate, the second gear is driven to rotate to drive the first gear to rotate, the rotating cylinder is driven to rotate to drive the valve rod to rotate, the valve is opened and closed, and manual rotation is not needed for opening and closing the valve;
5. The gear III is meshed with the gear I, so that the rotating shaft II can rotate to drive the gear III to rotate, and then the gear I is driven to rotate, and the valve can still be normally opened and closed in a manual rotation mode when the power is not on.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the gate valve body of the present invention;
FIG. 3 is a schematic view of the gate valve body of the present invention in a front cross-sectional configuration;
FIG. 4 is a schematic structural view of a left side cross-sectional view of the gate valve body of the present invention;
FIG. 5 is a schematic view of the structure of the drainage mechanism of the present invention;
FIG. 6 is a schematic view of the structure of the rotating plate and the connecting member of the present invention;
FIG. 7 is a schematic view of the front cross-sectional view of the cartridge of the present invention;
FIG. 8 is a schematic diagram of a second embodiment of the present invention;
FIG. 9 is a schematic view of the bottom view of FIG. 8 in accordance with the present invention;
FIG. 10 is a schematic view of the internal structure of the housing of the present invention;
FIG. 11 is a schematic representation of the structure of the rotating cartridge and valve stem of the present invention in an exploded view.
The valve comprises a valve body, 101, a valve body, 102, a valve cover, 103, a valve rod, 104, a bracket, 105, a valve plate, 106, a handle, 2, a drainage mechanism, 201, a rotating plate, 202, an air cylinder, 203, a piston rod, 204, a connecting component, 205, a fixing frame, 206, a mounting plate, 207, a piston, 208, an air charging pipe, 209, an air inlet pipe, 2010, a one-way valve, 2041, a clamping groove, 2042, an upper nut, 2043, a lower nut, 3, a hand pulling plate, 4, a connecting joint, 5, an air inlet end, 6, a filter screen, 7, a mounting frame, 8, a shell, 9, a rotating cylinder, 901, a convex strip, 10, a fixing seat, 11, a gear I, 12, a gear II, 13, a rotating shaft I, 14, a motor, 15, a gear III, 16, a rotating shaft II, 17 and a rotating handle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
Referring to fig. 1-7, the invention provides a soft sealing gate valve, which comprises a gate valve main body 1, wherein the gate valve main body 1 comprises a valve body 101, a valve cover 102, a valve rod 103, a bracket 104, a valve plate 105 and a handle 106, and a drainage mechanism 2 is fixedly arranged on the outer wall of the valve cover 102;
The drainage mechanism 2 comprises a rotating plate 201, a connecting part 204 and a fixing frame 205, wherein the rotating plate 201 is rotationally connected with a valve rod 103 through a bearing, a mounting plate 206 is fixedly arranged at the bottom of the fixing frame 205, the mounting plate 206 is fixedly connected with a valve cover 102 through a bolt, an air cylinder 202 is fixedly arranged at the inner side of the fixing frame 205, a piston 207 is arranged on the inner wall of the air cylinder 202 in a sliding manner, a piston rod 203 is fixedly arranged at the top of the piston 207, the piston rod 203 is fixedly connected with the rotating plate 201 through the connecting part 204, an air charging pipe 208 and an air inlet pipe 209 are arranged at the bottom end of the air cylinder 202 in a communicating manner, one end of the air charging pipe 208, far from the air cylinder 202, is communicated with the inner part of the valve cover 102, one-way valves 2010 are arranged at the communicating positions of the air charging pipe 208, the air inlet pipe 209 and the air cylinder 202, the piston rod 203 and the rotating plate 201 are fixedly connected together through the connecting part 204, because the rotating plate 201 is rotationally connected with the valve rod 103 through a bearing, when the valve rod 103 moves up and down, the rotating plate 201 can be driven to move up and down synchronously, the valve rod 103 can continue to rotate relative to the rotating plate 201, when the valve plate 105 lifts and opens the valve, the valve rod 103 lifts and drives the valve plate 105 to lift, so the rotating plate 201 lifts and drives the piston rod 203 to lift, and then drives the piston 207 to lift, external air is pumped into the air cylinder 202 from the air inlet pipe 209, at the moment, fluid enters the valve rod 103, when the valve is needed to be closed, the valve rod 103 moves down and drives the valve plate 105 and the rotating plate 201 to move down, the valve is gradually closed along with the downward movement of the valve plate 105, at the moment, the downward movement of the rotating plate 201 drives the piston rod 203 to move down, and then drives the piston 207 to move down, air in the air cylinder 202 is extruded into the air charging pipe 208 and then into the valve rod 103, fluid between the valve cover 102 and the valve body 101 is discharged into the valve body 101 by air pressure, so as to realize the effect of discharging, because the inner diameter of the air charging tube 208 is far smaller than the diameter of the piston 207, the air pressure extruded into the air charging tube 208 is boosted, so that the fluid between the valve body 101 and the valve cover 102 can be extruded, a one-way valve 2010 is arranged at the communication position of the air charging tube 208, the air inlet tube 209 and the air cylinder 202, so that the air can only enter the air cylinder 202 from the air inlet tube 209, and the air in the air cylinder 202 can only enter the air charging tube 208;
The two connecting parts 204 and the fixing frame 205 are symmetrically distributed about the center of the rotating plate 201, a gap is reserved between the air cylinder 202 and the valve cover 102, and the two connecting parts 204 and the fixing frame 205 are used for installing two groups of piston rods 203, the air cylinder 202, the pistons 207, the air charging pipes 208 and the air inlet pipes 209, so that enough air is ensured to enter between the valve body 101 and the valve cover 102, and then fluid between the valve body 101 and the valve cover 102 is thoroughly discharged;
The connecting component 204 comprises a clamping groove 2041, an upper nut 2042 and a lower nut 2043, the clamping groove 2041 is formed in the end part of the rotating plate 201, the piston rod 203 passes through the clamping groove 2041, the upper nut 2042 and the lower nut 2043 are sleeved on the piston rod 203 in a threaded manner, the upper nut 2042 is arranged above the rotating plate 201, the lower nut 2043 is arranged below the rotating plate 201, the rotating plate 201 and the piston rod 203 are detachably connected, so that when the gate valve main body 1 and the drainage mechanism 2 are overhauled, the valve body 101 and the valve cover 102 can be normally separated, the fixing frame 205 and other structures are detached, the rotating plate 201 and the piston rod 203 are tightly connected together through the upper nut 2042 and the lower nut 2043 which are arranged up and down, and when the rotating plate 201 and the piston rod 203 are required to be detached, the upper nut 2042 and the lower nut 2043 are only required to be unscrewed;
Elastic gaskets are arranged between the upper nut 2042, the lower nut 2043 and the rotating plate 201, the diameter of each elastic gasket is larger than that of the clamping groove 2041, the elastic gaskets are arranged to ensure that the upper nut 2042 and the lower nut 2043 can be screwed on one hand, and the influence of vibration on the upper nut 2042 and the lower nut 2043 can be reduced on the other hand, and the circle center of the circumferential radius of the clamping groove 2041 coincides with the circle center of the rotating track of the rotating plate 201, so that the piston rod 203 can be just separated from the clamping groove 2041 when the rotating plate 201 rotates;
The end thread bush of the air inlet pipe 209 is provided with a connecting joint 4, the front end of the connecting joint 4 is communicated with an air inlet end 5, a filter screen 6 is fixedly arranged at the port of the air inlet end 5, the connecting joint 4 is used for connecting the air inlet end 5 with the air inlet pipe 209, the filter screen 6 is used for filtering air entering the air inlet end 5, and further particles such as dust are prevented from entering the air inlet pipe 209 and then enter the valve cover 102;
the top fixed mounting of piston rod 203 has hand pulling plate 3, and the outer wall of hand pulling plate 3 is equipped with anti-skidding line, when rotor plate 201 and piston rod 203 separate, still can drive piston rod 203 through pulling hand pulling plate 3 and go up and down, realizes the drainage.
The valve rod 103 is driven to rotate by the rotating handle 106, the valve rod 103 is lifted while rotating, the valve plate 105 is driven to lift when the valve rod 103 is lifted, the valve is opened, the rotating plate 201 is driven to lift along with the lifting of the valve rod 103, the rotating plate 201 is driven to lift, the piston 203 is driven to lift, the piston 207 is driven to lift, external air is pumped into the air cylinder 202 from the air inlet pipe 209, fluid can enter the valve rod 103 at the moment, when the valve is needed to be closed, the valve rod 103 moves downwards to drive the valve plate 105 and the rotating plate 201 to move downwards, the valve plate 105 moves downwards along with the valve plate 105 to gradually close, the rotating plate 201 moves downwards to drive the piston rod 203 to move downwards, the piston 207 is driven to move downwards, the air in the air cylinder 202 is extruded into the air charging pipe 208, then is extruded into the valve rod 103, fluid between the valve body 102 and the valve body 101 is discharged into the valve body 101 by utilizing air pressure, the upper nut 2042 and the lower nut 3 are loosened when overhauling, then the rotating plate 201 is driven to enable the piston 203 to be separated from the clamping groove 2041, namely, the valve rod 103, the valve rod 102, the valve body 102 and the valve body 3 and the valve body 209 are connected to the inner part of the valve body are connected to the valve body 1, and the valve body 209 are connected to the inner part of the valve body and the valve body is required to be cleaned, and the valve body is screwed into the air inlet pipe body 1 when the valve body is connected to the valve body and the valve body is required to be cleaned.
Example two
Referring to fig. 8-11, the invention provides a soft sealing gate valve, which comprises a gate valve main body 1, wherein the gate valve main body 1 comprises a valve body 101, a valve cover 102, a valve rod 103, a bracket 104, a valve plate 105 and a handle 106, and a drainage mechanism 2 is fixedly arranged on the outer wall of the valve cover 102;
The drainage mechanism 2 comprises a rotating plate 201, a connecting part 204 and a fixing frame 205, wherein the rotating plate 201 is rotationally connected with a valve rod 103 through a bearing, a mounting plate 206 is fixedly arranged at the bottom of the fixing frame 205, the mounting plate 206 is fixedly connected with a valve cover 102 through a bolt, an air cylinder 202 is fixedly arranged at the inner side of the fixing frame 205, a piston 207 is arranged on the inner wall of the air cylinder 202 in a sliding manner, a piston rod 203 is fixedly arranged at the top of the piston 207, the piston rod 203 is fixedly connected with the rotating plate 201 through the connecting part 204, an air charging pipe 208 and an air inlet pipe 209 are arranged at the bottom end of the air cylinder 202 in a communicating manner, one end of the air charging pipe 208, far from the air cylinder 202, is communicated with the inner part of the valve cover 102, one-way valves 2010 are arranged at the communicating positions of the air charging pipe 208, the air inlet pipe 209 and the air cylinder 202, the piston rod 203 and the rotating plate 201 are fixedly connected together through the connecting part 204, because the rotating plate 201 is rotationally connected with the valve rod 103 through a bearing, when the valve rod 103 moves up and down, the rotating plate 201 can be driven to move up and down synchronously, the valve rod 103 can continue to rotate relative to the rotating plate 201, when the valve plate 105 lifts and opens the valve, the valve rod 103 lifts and drives the valve plate 105 to lift, so the rotating plate 201 lifts and drives the piston rod 203 to lift, and then drives the piston 207 to lift, external air is pumped into the air cylinder 202 from the air inlet pipe 209, at the moment, fluid enters the valve rod 103, when the valve is needed to be closed, the valve rod 103 moves down and drives the valve plate 105 and the rotating plate 201 to move down, the valve is gradually closed along with the downward movement of the valve plate 105, at the moment, the downward movement of the rotating plate 201 drives the piston rod 203 to move down, and then drives the piston 207 to move down, air in the air cylinder 202 is extruded into the air charging pipe 208 and then into the valve rod 103, fluid between the valve cover 102 and the valve body 101 is discharged into the valve body 101 by air pressure, so as to realize the effect of discharging, because the inner diameter of the air charging tube 208 is far smaller than the diameter of the piston 207, the air pressure extruded into the air charging tube 208 is boosted, so that the fluid between the valve body 101 and the valve cover 102 can be extruded, a one-way valve 2010 is arranged at the communication position of the air charging tube 208, the air inlet tube 209 and the air cylinder 202, so that the air can only enter the air cylinder 202 from the air inlet tube 209, and the air in the air cylinder 202 can only enter the air charging tube 208;
The two connecting parts 204 and the fixing frame 205 are symmetrically distributed about the center of the rotating plate 201, a gap is reserved between the air cylinder 202 and the valve cover 102, and the two connecting parts 204 and the fixing frame 205 are used for installing two groups of piston rods 203, the air cylinder 202, the pistons 207, the air charging pipes 208 and the air inlet pipes 209, so that enough air is ensured to enter between the valve body 101 and the valve cover 102, and then fluid between the valve body 101 and the valve cover 102 is thoroughly discharged;
The connecting component 204 comprises a clamping groove 2041, an upper nut 2042 and a lower nut 2043, the clamping groove 2041 is formed in the end portion of the rotating plate 201, the piston rod 203 passes through the clamping groove 2041, the upper nut 2042 and the lower nut 2043 are sleeved on the piston rod 203 in a threaded manner, the upper nut 2042 is arranged above the rotating plate 201, and the lower nut 2043 is arranged below the rotating plate 201;
Elastic gaskets are arranged between the upper nut 2042, the lower nut 2043 and the rotating plate 201, and the diameter of the elastic gaskets is larger than that of the clamping groove 2041;
The end part of the air inlet pipe 209 is sleeved with a connecting joint 4 in a threaded manner, the front end of the connecting joint 4 is communicated with an air inlet end 5, and a filter screen 6 is fixedly arranged at the port of the air inlet end 5;
the top end of the piston rod 203 is fixedly provided with a hand pulling plate 3, and the outer wall of the hand pulling plate 3 is provided with anti-skid patterns;
The outer wall of the valve rod 103 is rotationally sleeved with a rotating cylinder 9, an integrally formed protruding strip 901 is arranged on the inner wall of the rotating cylinder 9, the protruding strip 901 is slidably arranged in a sliding groove on the outer wall of the valve rod 103, the outer wall of the rotating cylinder 9 is rotationally connected with a fixing seat 10 through a bearing, the fixing seat 10 is fixedly arranged at the top end of a bracket 104, a gear I11 is fixedly arranged on the outer wall of the rotating cylinder 9, the gear I11 is meshed with a gear II 12, a rotating shaft I13 is fixedly arranged on the inner wall of the gear II 12, a motor 14 is fixedly arranged at the top end of the rotating shaft I13, the fixing seat 10 is arranged to limit the rotating cylinder 9, the rotating cylinder 9 can rotate relative to the bracket 104, the protruding strip 901 in the rotating cylinder 9 limits the rotating cylinder 9 and the valve rod 103, the rotating cylinder 9 can drive the valve rod 103 to rotate, meanwhile, the valve rod 103 can also move up and down relative to the rotating cylinder 9, the motor 14 drives the rotating shaft I13 to rotate, the gear II 12 rotates, the gear I11 rotates, the rotating cylinder 9 rotates, the valve II rotates to drive the rotating cylinder 9 to rotate, and the valve rod 103 to rotate, and the valve 103 to open and close the valve;
The outer wall of the bracket 104 is fixedly provided with the mounting bracket 7, the top end of the mounting bracket 7 is fixedly provided with the shell 8, the shell 8 covers the first gear 11, the second gear 12, the first rotating shaft 13 and the motor 14, the top end of the motor 14 is fixedly connected with the inner wall of the top of the shell 8, the mounting bracket 7 is used for connecting the shell 8 with the bracket 104, and the shell 8 is used for covering the exposed first gear 11, the second gear 12, the first rotating shaft 13, the motor 14 and other structures, so that the whole is more attractive, and meanwhile, the shell 8 is also used for fixing the motor 14;
the outer wall of the first gear 11 is meshed with a third gear 15, the inner wall of the third gear 15 is fixedly provided with a second rotating shaft 16, the top end of the second rotating shaft 16 penetrates through the inner wall of the top of the shell 8 through a bearing, and the second rotating shaft 16 can rotate to drive the third gear 15 to rotate through the engagement of the third gear 15, so that the first gear 11 is driven to rotate, a manual rotation mode is provided, and when the valve is not electrified, the valve can still be normally opened and closed;
the top of the second rotating shaft 16 is fixedly provided with the rotating handle 17, the rotating handle 17 is arranged to enable the second rotating shaft 16 to rotate more smoothly, the third gear 15 and the second gear 12 are symmetrically distributed around the first gear 11, and the third gear 15, the second gear 12 and the first gear 11 are identical in specification, so that the third gear 15 does not prevent the second gear 12 from rotating, and the third gear 15 does not contact with the motor 14.
Working principle: when the valve is required to be opened and closed by rotating the valve rod 103, the motor 14 is started to drive the first rotating shaft 13 to rotate, then the gear two 12 is driven to rotate, the gear two 12 is driven to rotate the first gear 11 to drive the rotating cylinder 9 to rotate, the rotating cylinder 9 rotates to drive the valve rod 103 to rotate through the convex strips 901, the valve rod 103 is lifted up and down simultaneously to realize the opening and closing of the valve, the valve plate 105 is driven to lift up when the valve rod 103 is lifted up, the valve is opened, the rotating plate 201 is driven to lift up along with the lifting of the valve rod 103, the rotating plate 201 is driven to lift up to drive the piston rod 203 to lift up, external air is pumped into the air cylinder 202 from the air inlet pipe 209, fluid enters the valve rod 103 at the moment, when the valve is required to be closed, the valve rod 103 moves down to drive the valve plate 105 and the rotating plate 201 to move down, the valve rod 203 is driven to move down along with the descending of the valve plate 105, the air in the 202 is extruded into the air charging pipe 208, and then the valve rod 103 is extruded into the valve rod 103, the fluid between the valve rod 103 and the valve body 102 and 101 is driven to be discharged into the air inlet pipe 101 through the air pressure, and the rotating shaft 11 is driven to rotate the valve body 11, and the first rotating shaft 11 is driven to rotate, the rotating shaft 16 is driven to rotate the valve body 11, and the valve body is driven to rotate, and the second rotating shaft 11 is driven to rotate, and the valve body 11 is driven to rotate, and the second rotating shaft is driven to rotate, if the valve body is driven to rotate and the valve body is driven to rotate, and the valve 11 is driven to rotate and the valve is driven to rotate.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411304064.0A CN118935001B (en) | 2024-09-19 | 2024-09-19 | A soft sealing gate valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411304064.0A CN118935001B (en) | 2024-09-19 | 2024-09-19 | A soft sealing gate valve |
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| CN118935001A CN118935001A (en) | 2024-11-12 |
| CN118935001B true CN118935001B (en) | 2025-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202411304064.0A Active CN118935001B (en) | 2024-09-19 | 2024-09-19 | A soft sealing gate valve |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119878844A (en) * | 2025-03-27 | 2025-04-25 | 浙江华龙巨水科技股份有限公司 | Soft sealing gate valve |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203532818U (en) * | 2013-11-12 | 2014-04-09 | 安徽铜都流体科技股份有限公司 | Compact pneumatic soft seal gate valve |
| CN204985952U (en) * | 2015-08-18 | 2016-01-20 | 宁波埃美柯铜阀门有限公司 | Manual wedge gate valve is taken in pneumatics |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10975970B2 (en) * | 2018-01-14 | 2021-04-13 | Jianchao Shu | Crossover rotary valves and stem seal packing |
| EP4150238A4 (en) * | 2020-05-13 | 2024-06-05 | Reliance Worldwide Corporation (Aust.) Pty. Ltd. | VALVE |
| CN220016147U (en) * | 2023-07-03 | 2023-11-14 | 竹箦阀业有限公司 | Soft sealing gate valve with blind flange rod |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203532818U (en) * | 2013-11-12 | 2014-04-09 | 安徽铜都流体科技股份有限公司 | Compact pneumatic soft seal gate valve |
| CN204985952U (en) * | 2015-08-18 | 2016-01-20 | 宁波埃美柯铜阀门有限公司 | Manual wedge gate valve is taken in pneumatics |
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Effective date of registration: 20250224 Address after: 325105 Dongou Street and Ercun, Yongjia County, Wenzhou City, Zhejiang Province Applicant after: TEJI VALVE GROUP Co.,Ltd. Country or region after: China Address before: 224699 Guanjiang Neighborhood Committee, Economic Development Zone, Xiangshui County, Yancheng City, Jiangsu Province Applicant before: YANCHENG OURUN PETROCHEMICAL EQUIPMENT MANUFACTURING CO.,LTD. Country or region before: China |
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