CN114719077B - Lightweight pneumatic cut-off valve - Google Patents
Lightweight pneumatic cut-off valve Download PDFInfo
- Publication number
- CN114719077B CN114719077B CN202210368546.7A CN202210368546A CN114719077B CN 114719077 B CN114719077 B CN 114719077B CN 202210368546 A CN202210368546 A CN 202210368546A CN 114719077 B CN114719077 B CN 114719077B
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- Prior art keywords
- gear
- valve body
- rotating shaft
- sleeve
- fixedly connected
- Prior art date
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- 239000007788 liquid Substances 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000005507 spraying Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 11
- 244000309464 bull Species 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 13
- 239000003795 chemical substances by application Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 239000007921 spray Substances 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 17
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 239000012535 impurity Substances 0.000 description 8
- 239000003599 detergent Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/0095—Flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Mechanically-Actuated Valves (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a lightweight pneumatic cut-off valve, which relates to the technical field of pneumatic cut-off valves and comprises a valve body, a rotating shaft II and a sleeve I, wherein a blow-off hole is formed in the valve body, a filter screen is arranged in the valve body, a liquid spraying device is arranged on the valve body, the rotating shaft I is fixedly connected to the surface of the valve body in a rotating way, a gear I is fixedly connected to the surface of the rotating shaft I, a convex strip is arranged on the surface of the rotating shaft I, an incomplete gear and a circular ring are respectively fixedly connected to the surface of the sleeve I, a fixing plate is arranged on the surface of the valve body, a transmission part for driving the sleeve I to reciprocate is arranged on the fixing plate, and the pneumatic cut-off valve is provided with a function of driving the sleeve I to reciprocate through a piston rod to spray a descaling agent into the valve body, and continuously touches the gear I through the surface of the circular ring incomplete gear arc surface, so that the rotating shaft II and the filter screen are driven to shake, the scale on the surface of the valve body can be better removed through matching with the descaling agent, the cleaning quality is enhanced, the filter screen is not required to be detached, and the effect of working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of pneumatic shut-off valves, in particular to a lightweight pneumatic shut-off valve.
Background
The pneumatic cut-off valve has the function of quick cut-off, and has the characteristics of simple structure, sensitive response, reliable action and the like. The pneumatic shut-off valve can be widely applied to industrial production departments such as petroleum, chemical industry, metallurgy and the like, compared with the prior art, the lightweight pneumatic shut-off valve is made of lightweight materials, the weight and the thickness of the valve body are smaller than those of the common pneumatic shut-off valve, and when the pneumatic shut-off valve is used, in order to prevent impurities possibly existing in external water, the pneumatic shut-off valve is blocked, a filter screen is usually arranged in the pneumatic shut-off valve, but after the filter screen is used for a long time, a large amount of dirt is generated on the surface, the circulation of water is influenced, regular disassembly and cleaning are needed, the pneumatic shut-off valve is troublesome, and the working efficiency is reduced.
Disclosure of Invention
The invention aims to provide a lightweight pneumatic cut-off valve, which is provided with the effects that a piston rod reciprocates to spray a descaling agent into a valve body, and the arc surface of a circular incomplete gear continuously touches a first gear, so that a second rotating shaft and a filter screen are driven to shake, dirt on the surface of the valve body can be better removed by matching with the descaling agent, the cleaning quality is enhanced, the filter screen is not required to be detached in the cleaning process, the working efficiency is improved, and the problems in the prior art are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a pneumatic trip valve of lightweight, includes the valve body, still includes pivot two and sleeve pipe one, both sides are provided with water inlet and delivery port respectively in the valve body, the blowdown hole has been seted up in the valve body, be provided with the filter screen in the valve body, be provided with liquid jet equipment on the valve body, the surface dead axle rotation of valve body is connected with pivot one, the surface of valve body has been seted up and is used for pivot two pass and dead axle rotation connection's through-hole with it, the fixed surface of pivot two is connected with gear one, filter screen fixed connection is in pivot two surfaces, the surface of pivot one is provided with the sand grip, sleeve pipe one set is established the surface of pivot one and the pipe wall has been seted up and is used for the perforation that the sand grip passed, the surface of sleeve pipe one is fixedly connected with incomplete gear and ring respectively, gear one with the intermittent type meshing of incomplete gear, the valve body surface is provided with the fixed plate, be provided with on the fixed plate and be used for driving sleeve pipe one reciprocating motion's transmission part.
Optionally, the drive unit includes sleeve pipe two and bull stick, the fixed surface of fixed plate is connected with the supporting shoe, the pivot one passes the supporting shoe and with its dead axle rotation is connected, the surface of supporting shoe is seted up and is used for the bull stick stretches into and is connected with its dead axle rotation, the tip dead axle rotation of bull stick is connected with the cylinder, the cylinder is connected with gear two through restriction part, the fixed surface of pivot one is connected with gear three, gear two with gear three the same and mesh mutually, sleeve pipe two cup joints the surface of bull stick, the inner wall of sleeve pipe two is provided with the slider, the surface of bull stick is seted up and is used for the slider stretches into and with its sliding connection's spout, the spout is the wave and centers on the bull stick sets up, the tip fixedly connected with backup pad of sleeve pipe two, the surface of backup pad is seted up and is used for the sleeve pipe one is passed and is rotated with its dead axle and is connected with the trompil, be provided with on the cylinder and be used for driving the intermittent type pivoted holds power part.
Optionally, the force storage component comprises a clamping assembly and a tension spring; the clamping assembly comprises a clamping block and a spring, a groove for the clamping block to extend into is formed in the inner wall of the through hole, a clamping groove for the clamping block to extend into is formed in the end face of the rotating rod, the height of the clamping block is larger than that of the clamping groove, and two ends of the spring are fixedly connected with the surface of the clamping block and the inner wall of the groove respectively; the surface of cylinder fixedly connected with butt piece, the butt piece with the terminal surface of bull stick all is provided with the dead lever, the both ends of extension spring set up respectively at two the surface of dead lever.
Optionally, the liquid spraying device includes the piston rod, the surface of valve body is provided with the piston tube, be provided with the scale remover in the piston tube, the surface of piston tube is offered and is used for the piston rod passes and with its sliding connection's wearing mouth, the piston rod pass through the connecting rod with backup pad fixed connection, the tip fixedly connected with piston of piston rod, filling tube and discharging pipe have been offered to the surface of piston tube, the filling tube with the discharging pipe surface all is provided with the check valve, the filling tube communicates with outside stock solution device, the discharging pipe stretches into in the valve body.
Optionally, the limiting component comprises a ratchet wheel, the ratchet wheel is fixedly arranged in the gear II, and a pawl matched with the ratchet wheel is arranged on the surface of the cylinder, so that the cylinder can only rotate in one direction.
Optionally, a motor is installed on the surface of the fixing plate through a fixing rod, and an output end of the motor is fixedly connected with an end part of the first rotating shaft.
Optionally, the surface of incomplete gear and the ring all is provided with a plurality of protruding grains that are annular array and distribute, protruding grain is made for elastic material.
Optionally, the number of the clamping assemblies is four, and the clamping assemblies are distributed in an annular array.
Optionally, the incomplete gear tooth length is one quarter of a circumference of the gear, such that the incomplete gear can only rotate the gear by 90 degrees at a time.
Compared with the prior art, the invention has the following beneficial effects:
1. when the arc surface part of the circular ring or the incomplete gear moves to the position right below the first gear, the tooth on the first surface of the gear is contacted with the arc surface part of the circular ring or the incomplete gear, so that the rotation of the first gear is limited, the first gear is enabled to shake through the convex particles arranged on the arc surface part of the incomplete gear of the circular ring, the second rotating shaft is driven to shake with the filter screen through the shaking of the first gear, dirt on the surface of the second gear can be removed better through shaking of the filter screen and matching of the detergent, the cleaning quality is improved, the filter screen is not required to be detached in the cleaning process, and the working efficiency is improved.
2. According to the invention, the piston rod is driven to intermittently reciprocate, the scale remover in the piston cylinder is sprayed in the valve body through the discharge pipe and mixed with water in the valve body, so that dirt at the bottom of the filter screen and the valve body is removed, impurities are dissolved, and the working efficiency of the valve body is improved.
3. According to the invention, the sliding block slides from one turn to the other turn of the wavy sliding groove through every 90 degrees of rotation of the rotating rod, so that the first sleeve pipe, the incomplete gear on the surface of the first sleeve pipe and the circular ring are driven to move once along the first surface of the rotating shaft, and the incomplete gear teeth only can drive the first gear to rotate for 90 degrees, so that the rotation of the rotating rod does not lead the tooth part of the incomplete gear to be separated when being meshed with the first gear, and therefore, the incomplete gear and the circular ring reciprocate once every 180 degrees of rotation, the incomplete gear is always misplaced with the first gear in the reciprocation process, and the stability of the valve body in use is improved.
4. The invention controls the motor to rotate reversely after cleaning, the motor output end can continue to rotate forward and rotate reversely before the motor is switched from forward rotation to reverse rotation, and the specific rotation cycle is preset, so that the incomplete gear is positioned below the gear during reverse rotation, at the moment, the first rotating shaft and the third rotating shaft are driven to rotate reversely through the reverse rotation of the motor output end, and under the action of a ratchet wheel and a pawl, when the second rotating shaft rotates reversely, the cylinder does not rotate, and then the first rotating shaft rotates reversely to drive the incomplete gear to rotate reversely, so that the first rotating shaft and the second rotating shaft are driven to rotate reversely, and the filter screen is reset, thereby facilitating the subsequent use.
Drawings
FIG. 1 is an isometric view of a construction of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1A in accordance with the present invention;
FIG. 3 is a schematic view of the interior of the valve body of the present invention;
FIG. 4 is a schematic view of a power storage component of the present invention;
FIG. 5 is a cross-sectional view of a second embodiment of the sleeve of the present invention;
FIG. 6 is a cross-sectional view of a ratchet mechanism of the present invention;
fig. 7 is a cross-sectional view of the piston cylinder structure of the present invention.
In the figure: 1. a valve body; 101. a water inlet; 102. a water outlet; 4. a first rotating shaft; 5. a second rotating shaft; 51. a filter screen; 6. a fixing plate; 7. a support block; 71. a groove; 72. a clamping block; 73. a spring; 74. a through hole; 8. a motor; 9. a convex strip; 10. a first sleeve; 11. a circular ring; 12. an incomplete gear; 13. protruding particles; 14. a first gear; 15. a cylinder; 151. an abutment block; 152. a tension spring; 153. a fixed rod; 16. a ratchet wheel; 161. a pawl; 17. a second gear; 18. a rotating rod; 181. a clamping groove; 182. a chute; 19. a second sleeve; 191. a slide block; 20. a support plate; 21. a connecting rod; 22. a piston rod; 23. a piston cylinder; 24. a piston; 25. a discharge pipe; 27. a blow-down hole; 28. and a third gear.
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. 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.
Referring to fig. 1 to 7, in this embodiment, a lightweight pneumatic shut-off valve is provided, which comprises a valve body 1, and further comprises a second rotating shaft 5 and a first sleeve 10, wherein a water inlet 101 and a water outlet 102 are respectively provided at two sides in the valve body 1, a sewage draining hole 27 is provided in the valve body 1, a filter screen 51 is provided in the valve body 1, a liquid spraying device is provided on the valve body 1, a first rotating shaft 4 is rotatably connected to the surface of the valve body 1 in a fixed shaft manner, a through hole for the second rotating shaft 5 to pass through and rotatably connected with the first rotating shaft in a fixed shaft manner is provided on the surface of the valve body 1, a first gear 14 is fixedly connected to the surface of the second rotating shaft 5, the filter screen 51 is fixedly connected to the surface of the second rotating shaft 5, a raised strip 9 is provided on the surface of the first rotating shaft 4, a first sleeve 10 is sleeved on the surface of the first rotating shaft 4, perforations for the raised strip 9 to pass through are provided on the wall of the first sleeve 10, an incomplete gear 12 and a circular ring 11 are fixedly connected to the surface of the first sleeve 10, the first gear 14 is intermittently meshed with the incomplete gear 12, a fixing plate 6 is provided on the surface of the valve body 1, and a transmission part for driving the first sleeve 10 to reciprocate is provided on the fixing plate 6.
More specifically, in this embodiment, when the filter screen is to be cleaned, the pneumatic shut-off valve is controlled to block the water flow, after the water flow is blocked, the first rotating shaft 4 is rotated, under the action of the convex strip 9, the first sleeve 10 is driven to rotate, the incomplete gear 12 and the circular ring 11 are driven to rotate, the filter screen 51 is driven to rotate through the rotation of the incomplete gear 12, the filter screen 51 is attached to the surface of the drain hole 27, the detergent is sprayed inside the valve body 1 through the liquid spraying device, the detergent is mixed with the water inside the valve body 1, the dirt at the bottom of the filter screen 51 and the valve body 1 is removed, the impurity is dissolved, the first rotating shaft 4 is rotated, the first sleeve 10 is driven to reciprocate through the action of the transmission component, the first sleeve 10 reciprocates, the incomplete gear 12 and the circular ring 11 are driven to intermittently reciprocate along the surface of the first rotating shaft 4, when the circular ring 11 or the cambered surface part of the incomplete gear 12 moves to the position right below the first gear 14, teeth on the surface of the first gear 14 are contacted with the surface of the cambered surface part of the circular ring 11 or the incomplete gear 12, so that the rotation of the first gear 14 is limited, the surface of the cambered surface part of the incomplete gear 12 continuously touches the first gear 14 through the circular ring 11, the first gear 14 is vibrated, the second rotating shaft 5 is driven to vibrate with the filter screen 51 through the vibration of the first gear 14, dirt on the surface of the valve body 1 can be better removed through the vibration of the filter screen 51 and the cooperation of a detergent, the cleaning quality is improved, the filter screen 51 is not required to be detached in the cleaning process, the time is saved, the working efficiency is improved, the sealing device of the opening of the drain hole 27 is opened after the continuous descaling is carried out for a period of time, the internal water flow of the valve body 1 is communicated with the outside, the dirt and dissolved impurities in the valve body 1 are discharged through the filter screen 51 and the sewage drain hole 27, and the surface of the filter screen 51 can be washed by water flow when the water flow passes through the filter screen 51, so that the dirt on the filter screen 51 is further reduced.
Further, in the present embodiment: the transmission part comprises a sleeve II 19 and a rotating rod 18, a supporting block 7 is fixedly connected to the surface of the fixed plate 6, a rotating shaft I4 penetrates through the supporting block 7 and is rotationally connected with the rotating shaft I, a through hole 74 used for the rotating rod 18 to extend into and rotationally connected with the rotating shaft I, a cylinder 15 is rotationally connected with the end portion of the rotating rod 18 through a limiting part, a gear II 17 is connected with the surface of the rotating shaft I4, a gear III 28 is fixedly connected with the surface of the rotating shaft I4, the gear II 17 and the gear III 28 are the same in size and meshed, a sleeve II 19 is sleeved on the surface of the rotating rod 18, a sliding block 191 is arranged on the inner wall of the sleeve II 19, a sliding groove 182 used for the sliding block 191 to extend into and be in sliding connection with the sliding groove 182 is arranged around the rotating rod 18, a supporting plate 20 is fixedly connected with the end portion of the sleeve II 19, an opening used for the sleeve II 10 to penetrate through and rotationally connected with the rotating shaft I, and a power storage part used for driving the rotating rod 18 to intermittently rotate is arranged on the cylinder 15.
More specifically, in this embodiment, the first rotating shaft 4 rotates to drive the third gear 28 to rotate, the third gear 28 rotates to drive the second gear 17 to rotate anticlockwise in the direction shown in fig. 6, the second gear 17 rotates anticlockwise in the direction shown in fig. 6, the cylinder 15 rotates anticlockwise in the direction shown in fig. 6 under the action of the limiting component, the rotating rod 18 rotates intermittently under the action of the force storage component, the rotating rod 18 rotates intermittently to drive the sliding groove 182 formed on the surface of the rotating rod 18 to rotate, the sliding groove 182 slides along the sliding groove 182 during rotation, and the sliding groove 182 is wavy and is arranged around the rotating rod 18, so that the second sleeve 19 is driven to reciprocate intermittently under the action of the sliding groove 191, the second sleeve 19 is driven to reciprocate intermittently through the second sleeve 19, the first sleeve 10 is driven to reciprocate intermittently along the surface of the first rotating shaft 4 with the incomplete gear 12 and the ring 11 on the surface of the first sleeve 20, and the incomplete gear 12 and the first ring 11 are driven to contact intermittently and reciprocally along the surface of the first rotating shaft 4.
Further, in the present embodiment: the force accumulating part comprises a clamping assembly and a tension spring 152; the clamping assembly comprises a clamping block 72 and a spring 73, a groove 71 for the clamping block 72 to extend into is formed in the inner wall of the through hole 74, a clamping groove 181 for the clamping block 72 to extend into is formed in the end face of the rotating rod 18, the height of the clamping block 72 is larger than that of the clamping groove 181, and two ends of the spring 73 are fixedly connected with the surface of the clamping block 72 and the inner wall of the groove 71 respectively; the fixed surface of cylinder 15 is connected with butt piece 151, and butt piece 151 all is provided with dead lever 153 with the terminal surface of bull stick 18, and the both ends of extension spring 152 set up respectively at the surface of two dead levers 153.
More specifically, in this embodiment, the cylinder 15 rotates to drive the abutting block 151 to rotate anticlockwise in the direction shown in fig. 4, when the abutting block 151 rotates, tension is generated on the tension spring 152, because the clamping block 72 is clamped with the clamping groove 181 at this time, the rotating rod 18 cannot rotate, when the abutting block 151 rotates to abut against the clamping block 72, the abutting block 151 presses the clamping block 72 to move away from the clamping groove 181, when the clamping block 72 is separated from the clamping groove 181, the rotating rod 18 is not limited any more, so that the rotating rod 18 is pulled to rotate rapidly under the action of elastic restoring force of the tension spring 152, and because the abutting block 151 continuously rotates at this time, the rotating rod 18 is driven to rotate in the rotating direction of the abutting block 151, when the rotating rod 18 rotates, pressure is caused on the clamping block 72, the compression spring 73 contracts, so that the clamping block 72 contacts with the surface of the rotating rod 18, when the clamping groove 181 contacts with the other clamping block 72, the spring 73 is no longer under the action of the elastic restoring force of the spring 73, the rotating rod 72 stretches into the clamping groove 181, the rotating rod 18 cannot rotate, and when the rotating rod 18 rotates rapidly under the action of the tension spring 152, the rotating rod 18 rotates at a speed greater than the rotating speed of the clamping block 151 and the other clamping block 72, and the rotating speed of the rotating rod 18 is ensured between the clamping block and the rotating rod 18 and the clamping block 181 when the rotating speed is ensured.
Further, in the present embodiment: the liquid spraying device comprises a piston rod 22, a piston cylinder 23 is arranged on the surface of the valve body 1, a scale remover is arranged in the piston cylinder 23, a penetrating opening which is used for the piston rod 22 to penetrate through and be in sliding connection with the piston cylinder 23 is formed in the surface of the piston cylinder 23, the piston rod 22 is fixedly connected with a supporting plate 20 through a connecting rod 21, a piston 24 is fixedly connected with the end part of the piston rod 22, a feeding pipe and a discharging pipe 25 are formed in the surface of the piston cylinder 23, one-way valves are arranged on the surfaces of the feeding pipe and the discharging pipe 25, the feeding pipe is communicated with an external liquid storage device, and the discharging pipe 25 extends into the valve body 1.
More specifically, in this embodiment, the support plate 20 intermittently reciprocates, and under the action of the connecting rod 21, the piston rod 22 is driven to intermittently reciprocate, and the piston 24 is driven to intermittently reciprocate by the intermittent reciprocating of the piston rod 22, so that the descaling agent in the piston cylinder 23 is sprayed into the valve body 1 through the discharging pipe 25, and the descaling agent is mixed with water in the valve body 1, so that the dirt on the surface of the filter screen 51 and in the valve body 1 is removed, the occurrence of blockage is avoided, and the use quality of the valve body 1 is improved.
Further, in the present embodiment: the limiting part comprises a ratchet wheel 16, the ratchet wheel 16 is fixedly arranged in the gear II 17, and a pawl 161 matched with the ratchet wheel 16 is arranged on the surface of the cylinder 15, so that the cylinder 15 can only rotate in one direction.
More specifically, in this embodiment, when the motor 8 is controlled to rotate reversely after cleaning, the motor output end continues to rotate forward for a predetermined number of rotations before the motor 8 is switched from forward rotation to reverse rotation, so that the incomplete gear 12 is positioned below the first gear 14 during reverse rotation, at this time, the first rotation shaft 4 and the third gear 28 are driven to rotate reversely by the output end of the motor 8, the second gear 17 is driven to rotate reversely by the third gear 28, and under the action of the ratchet 16 and the pawl 161, when the second gear 17 rotates reversely, the cylinder 15 does not rotate, and then the incomplete gear 12 is driven to rotate reversely by the first rotation shaft 4, the first gear 14 and the second rotation shaft 5 are driven to rotate reversely by the incomplete gear 12, so that the filter screen 51 is reset, and when the incomplete gear 12 rotates reversely to the position shown in fig. 2, namely, the initial position is stopped, so that the subsequent use is facilitated.
Further, in the present embodiment: the motor 8 is installed through the dead lever on the surface of fixed plate 6, and the output of motor 8 and the tip fixed connection of pivot one 4 are through motor 8 control pivot one 4 rotation when using, need not the manpower, labour saving and time saving for clean speed.
Further, in the present embodiment: the incomplete gear 12 and the surface of the circular ring 11 are provided with a plurality of protruding grains 13 distributed in an annular array, the protruding grains 13 are made of elastic materials, and when the device is used, the shaking effect of the gear I14 can be improved by arranging a plurality of elastic protruding grains, so that the descaling quality is improved.
Further, in the present embodiment: the tooth length of the incomplete gear 12 is one fourth of the 14 circumference of the gear one, and the incomplete gear 12 can only drive the gear one 14 to rotate 90 degrees at a time
Further, in the present embodiment: the number of the clamping components is four, and the clamping components are distributed in an annular array, when the device is used, the position shown in fig. 2 is the initial position of the incomplete gear 12, at this time, the incomplete gear 12 is meshed with the first gear 14, by arranging the clamping blocks 72 to be four in number, therefore, the clamping grooves 181 on the surface of the rotating rod 18 are contacted with the clamping blocks 72 every 90 degrees, and the rotating speed of the rotating shaft I4 is consistent with that of the cylinder 15 because the two gears 17 and the three gears 28 are the same in size, when the incomplete gear 12 is rotated by 90 degrees, the cylinder 15 and the abutting block 151 are also rotated by 90 degrees, when the abutting block 151 is rotated by 90 degrees, the clamping blocks 72 are pressed out of the clamping grooves 181, and then the rotating rod 18 is rotated by 90 degrees again, and every 90 degrees of rotation of the rotating rod 18, the sliding block 191 slides from one turn to the other turn of the wavy sliding groove 182, so that the incomplete gear 12 and the circular ring 11 are driven to move along the surface of the first rotating shaft 4 for one section, and the teeth of the incomplete gear 12 can only drive the first gear 14 to rotate for 90 degrees, so that the rotation of the rotating rod 18 can not lead the incomplete gear 12 to be separated when being meshed with the first gear 14, the normal switching of the filter screen 51 is ensured, and the incomplete gear 12 and the circular ring 11 can be reciprocated once when rotating for 180 degrees, so that the incomplete gear 12 is always misplaced with the first gear 14 in the reciprocation process, and the stability of the valve body 1 in use is improved.
Working principle: this pneumatic stop valve of lightweight is when using, as shown in fig. 2 and 3, this moment, the inside rivers circulation of valve body 1, through setting up filter screen 51 and filter the impurity in the rivers, avoid causing the inside jam of pneumatic stop valve, after the filter screen 51 uses for a long time, the screen surface can produce the dirt, lead to blockking up, when need wash the filter screen, carry out the separation to rivers through controlling pneumatic stop valve, after rivers are separated, start motor 8, drive pivot one 4 and rotate, through pivot one 4, and under the effect of sand grip 9, drive sleeve one 10 and rotate, through sleeve one 10 rotation, drive incomplete gear 12 and ring 11 rotation, rotate through incomplete gear 12, drive gear one 14 rotation, and because incomplete gear 12 tooth length is one fourth of gear one 14 circumference, make incomplete gear 12 can only drive gear one 14 rotation 90 degrees, thereby through gear one 14 rotation, drive filter screen 51 rotation 90 degrees, make filter screen 51 laminating at the blowdown hole 27 surface.
The rotation of the first rotating shaft 4 drives the third gear 28 to rotate, the rotation of the third gear 28 drives the second gear 17 to rotate anticlockwise in the direction shown in fig. 6, the anticlockwise rotation of the second gear 17 in the direction shown in fig. 6 drives the cylinder 15 to rotate anticlockwise in the direction shown in fig. 6 under the action of the ratchet 16 and the pawl 161, the rotation of the cylinder 15 drives the abutting block 151 to rotate anticlockwise in the direction shown in fig. 4, the tension of the tension spring 152 is generated when the abutting block 151 rotates, the clamping block 72 is positioned in the clamping groove 181, the rotation of the rotating rod 18 does not occur, the tension of the tension spring 152 is gradually increased by the continuous rotation of the abutting block 151 until the abutting block 151 abuts against the clamping block 72, the abutting block 72 is pressed to move away from the clamping groove 181, when the clamping block 72 is separated from the clamping groove 181, the rotating rod 18 is not limited any more, the pull force generated by deformation of the tension spring 152 pulls the rotating rod 18 to rotate rapidly, and because the abutting block 151 rotates continuously at this time, the rotating rod 18 is driven to rotate in the rotating direction of the abutting block 151, when the rotating rod 18 rotates, pressure is caused to the clamping block 72, the pressing spring 73 contracts, the clamping block 72 abuts against the surface of the rotating rod 18, when the rotating rod 18 rotates until the clamping groove 181 contacts with the other clamping block 72, the spring 73 is not pressed any more, the clamping block 72 is pushed to extend into the clamping groove 181 by the elastic restoring force of the spring 73, at this time, the rotating rod 18 cannot rotate, and because the rotating rod 18 rotates rapidly under the action of the tension spring 152, the rotating speed of the rotating rod 18 is larger than the rotating speed of the abutting block 151, when the clamping groove 181 contacts with the other clamping block 72, the abutting block 151 is positioned between the other clamping block 72 and the previous clamping block 72, therefore, through continuous rotation of the abutting block 151, the rotating rod 18 is driven to rotate intermittently, the sliding groove 182 arranged on the surface of the rotating rod 18 is driven to rotate, pressure is generated on the sliding block 191 in the rotating process of the sliding groove 182, the sliding block 191 slides along the sliding groove 182 and slides along the sliding groove 182 through the sliding block 191, the sliding groove 182 is wavy and is arranged around the rotating rod 18, so that the second sleeve 19 is driven to intermittently reciprocate under the action of the sliding block 191, the second sleeve 19 is driven to intermittently reciprocate, the supporting plate 20 is driven to intermittently reciprocate, the piston rod 22 is driven to intermittently reciprocate under the action of the connecting rod 21, the piston 24 is driven to intermittently reciprocate, the descaling agent in the piston cylinder 23 is sprayed in the valve body 1 through the discharging pipe 25 and is mixed with water in the valve body 1, dirt at the bottom of the filter screen 51 and the valve body 1 is removed, impurities are dissolved, and the use quality of the valve body 1 is improved.
The support plate 20 intermittently reciprocates to drive the sleeve 10 and the incomplete gear 12 and the circular ring 11 on the surface of the sleeve to intermittently reciprocate along the surface of the rotating shaft 4, when the circular ring 11 or the cambered surface part of the incomplete gear 12 moves to the position right below the gear 14, teeth on the surface of the gear 14 are contacted with the surface of the circular ring 11 or the cambered surface part of the incomplete gear 12, so that the rotation of the gear 14 is limited, the convex particles 13 arranged on the surface of the cambered surface part of the incomplete gear 12 of the circular ring 11 continuously touch the gear 14, the gear 14 shakes, the rotating shaft 5 and the filter screen 51 are driven to shake through the gear 14, the filter screen 51 shakes and is matched with a descaling agent to remove the dirt on the surface of the valve body better, the cleaning quality is improved, the filter screen 51 is not required to be removed in the cleaning process, the time is saved, the working efficiency is improved, after the descaling is continued for a period, the sealing device of the hole 27 is opened, the water flow inside the valve body 1 is communicated with the outside, thus impurities removed from the valve body 1 are discharged through the filter screen 51 and the dissolved impurities through the filter screen 27, and the filter screen 51 can be washed out through the filter screen 51 when the water flow passes through the filter screen 51, and the filter screen 51 on the surface of the filter screen can be further reduced.
When the cleaning is finished, the motor 8 is controlled to rotate reversely, before the motor 8 is switched from forward rotation to reverse rotation, the output end of the motor 8 continuously rotates for a certain number of rotation cycles, the incomplete gear 12 is positioned below the first gear 14 during reverse rotation, at the moment, the first rotating shaft 4 and the third gear 28 are driven to rotate reversely through the output end of the motor 8, the second gear 17 is driven to rotate reversely through the third gear 28, under the action of the ratchet wheel 16 and the pawl 161, when the second gear 17 rotates reversely, the cylinder 15 does not rotate, and then the first rotating shaft 4 rotates reversely, the incomplete gear 12 is driven to rotate reversely, the first gear 14 and the second rotating shaft 5 rotate reversely through the incomplete gear 12, so that the filter screen 51 is reset, and the incomplete gear 12 stops when rotating reversely to the position shown in fig. 2, namely, the initial position, so that the subsequent use is convenient.
The initial position of the incomplete gear 12 is shown in fig. 2, at this time, the incomplete gear 12 is meshed with the first gear 14, because the number of the clamping blocks 72 is four, the clamping grooves 181 on the surface of the first sleeve 10 and the surface of the first ring 11 are respectively contacted with one clamping block 72, and the two gears 17 and the three gears 28 are the same in size, so that the rotation speed of the first rotating shaft 4 is consistent with that of the first cylinder 15, when the incomplete gear 12 rotates 90 degrees, the cylinder 15 and the abutting block 151 also rotate 90 degrees, after the clamping blocks 72 are pressed out of the clamping grooves 181 after the abutting block 151 rotates 90 degrees, the rotating rod 18 rotates 90 degrees again, and each time the rotating rod 18 rotates 90 degrees, the sliding block 191 slides from one turn to the other turn of the wavy sliding groove 182, so that the first sleeve 10 and the first ring 11 on the surface of the first rotating shaft 4 are driven to move one section, and the teeth of the first incomplete gear 12 only drive the first gear 14 to rotate 90 degrees, and the rotation of the first ring 11 is not caused by the rotation of the teeth of the first rotating rod 18, the teeth of the incomplete gear 12 are separated when the first ring 11 is meshed with the first gear 14, normal switching of the filtering net 51 is guaranteed, and therefore, the complete gear 12 and the reciprocating motion of the first gear 12 and the first filter net 14 always moves 180 degrees when the complete gear 1 is in a reciprocating process is guaranteed, and the valve body is always displaced when the valve body is in a reciprocating process, and stable.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a pneumatic trip valve of lightweight, includes valve body (1), its characterized in that: the water-saving valve further comprises a second rotating shaft (5) and a first sleeve (10), wherein a water inlet (101) and a water outlet (102) are respectively formed in two sides of the valve body (1), a sewage draining hole (27) is formed in the valve body (1), a filter screen (51) is arranged in the valve body (1), a liquid spraying device is arranged on the valve body (1), a fixing plate (6) is arranged on the surface of the valve body (1), and a transmission part for driving the first sleeve (10) to reciprocate is arranged on the fixing plate (6);
the surface of the valve body (1) is fixedly connected with a first rotating shaft (4) in a rotating way, a through hole which is used for the second rotating shaft (5) to pass through and is fixedly connected with the first rotating shaft in a rotating way is formed in the surface of the valve body (1), a first gear (14) is fixedly connected with the surface of the second rotating shaft (5), a filter screen (51) is fixedly connected with the surface of the second rotating shaft (5), a raised strip (9) is arranged on the surface of the first rotating shaft (4), a first sleeve (10) is sleeved on the surface of the first rotating shaft (4) and a through hole which is used for the raised strip (9) to pass through is formed in the pipe wall of the first sleeve (10), an incomplete gear (12) and a circular ring (11) are fixedly connected to the surface of the first sleeve (10), and the first gear (14) is meshed with the incomplete gear (12) intermittently;
the transmission part comprises a sleeve II (19) and a rotating rod (18), the surface of the fixed plate (6) is fixedly connected with a supporting block (7), the rotating shaft I (4) passes through the supporting block (7) and is rotationally connected with the fixed shaft, a through hole (74) used for the rotating rod (18) to extend into and be rotationally connected with the fixed shaft is formed in the surface of the supporting block (7), a cylinder (15) is rotationally connected with the fixed shaft at the end part of the rotating rod (18), the cylinder (15) is connected with a gear II (17) through a limiting part, the surface of the rotating shaft I (4) is fixedly connected with a gear III (28), the gear II (17) is meshed with the gear III (28) in the same size, the sleeve II (19) is sleeved on the surface of the rotating rod (18), a sliding block (191) is arranged on the inner wall of the sleeve II (19), a sliding groove (182) used for the sliding block (191) to extend into and be slidingly connected with the sliding block is formed in the surface of the rotating rod (18), the sliding groove (182) is in a wave shape, the sliding groove (182) is fixedly connected with the sleeve II (19) around the fixed shaft (18) and passes through the sleeve II (20) and is fixedly connected with the sleeve II (20), the cylinder (15) is provided with a force storage component for driving the rotating rod (18) to intermittently rotate;
the force storage component comprises a clamping assembly and a tension spring (152);
the clamping assembly comprises a clamping block (72) and a spring (73), a groove (71) used for the clamping block (72) to extend into is formed in the inner wall of the through hole (74), a clamping groove (181) used for the clamping block (72) to extend into is formed in the end face of the rotating rod (18), the height of the clamping block (72) is larger than that of the clamping groove (181), and two ends of the spring (73) are fixedly connected with the surface of the clamping block (72) and the inner wall of the groove (71) respectively;
the surface fixing of cylinder (15) is connected with butt piece (151), butt piece (151) with the terminal surface of bull stick (18) all is provided with dead lever (153), the both ends of extension spring (152) set up respectively at two the surface of dead lever (153).
2. The lightweight pneumatic shut-off valve of claim 1, wherein: the liquid spraying device comprises a piston rod (22), a piston cylinder (23) is arranged on the surface of the valve body (1), a scale remover is arranged in the piston cylinder (23), a through hole used for the piston rod (22) to penetrate through and be in sliding connection with the piston rod (22) is formed in the surface of the piston cylinder (23), the piston rod (22) is fixedly connected with a supporting plate (20) through a connecting rod (21), a piston (24) is fixedly connected with the end part of the piston rod (22), a feeding pipe and a discharging pipe (25) are formed in the surface of the piston cylinder (23), one-way valves are arranged on the surfaces of the feeding pipe and the discharging pipe (25), the feeding pipe is communicated with an external liquid storage device, and the discharging pipe (25) stretches into the valve body (1).
3. The lightweight pneumatic shut-off valve of claim 1, wherein: the limiting component comprises a ratchet wheel (16), the ratchet wheel (16) is fixedly arranged in the gear II (17), and a pawl (161) matched with the ratchet wheel (16) is arranged on the surface of the cylinder (15) so that the cylinder (15) can only rotate in one direction.
4. The lightweight pneumatic shut-off valve of claim 1, wherein: the surface of the fixed plate (6) is provided with a motor (8) through a fixed rod, and the output end of the motor (8) is fixedly connected with the end part of the rotating shaft I (4).
5. The lightweight pneumatic shut-off valve of claim 1, wherein: the surface of the incomplete gear (12) and the surface of the circular ring (11) are provided with a plurality of convex particles (13) distributed in an annular array, and the convex particles (13) are made of elastic materials.
6. The lightweight pneumatic shut-off valve of claim 1, wherein: the number of the clamping assemblies is four, and the clamping assemblies are distributed in an annular array.
7. The lightweight pneumatic shut-off valve of claim 1, wherein: the tooth length of the incomplete gear (12) is one quarter of the circumference of the first gear (14), and the incomplete gear (12) can only drive the first gear (14) to rotate 90 degrees at a time.
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| CN202210368546.7A CN114719077B (en) | 2022-04-09 | 2022-04-09 | Lightweight pneumatic cut-off valve |
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| CN202210368546.7A CN114719077B (en) | 2022-04-09 | 2022-04-09 | Lightweight pneumatic cut-off valve |
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| CN114719077A CN114719077A (en) | 2022-07-08 |
| CN114719077B true CN114719077B (en) | 2023-08-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115138249B (en) * | 2022-07-26 | 2024-04-16 | 江西金光高科有限公司 | Electrolyte processing is with additive dispersion equipment |
| CN115142323B (en) * | 2022-09-05 | 2022-12-20 | 天津市交通运输基础设施养护集团有限公司 | Wet-type dust removal filtering equipment of asphalt highway pavement maintenance truck |
| CN115305762B (en) * | 2022-09-20 | 2023-12-08 | 山东顺兴隆建设工程有限公司 | Highway subgrade compacting device and compacting process |
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| CN114719077A (en) | 2022-07-08 |
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