CN116928364A - Flow-regulating pressure regulating valve - Google Patents
Flow-regulating pressure regulating valve Download PDFInfo
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- CN116928364A CN116928364A CN202311201379.8A CN202311201379A CN116928364A CN 116928364 A CN116928364 A CN 116928364A CN 202311201379 A CN202311201379 A CN 202311201379A CN 116928364 A CN116928364 A CN 116928364A
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- rod
- pressing rod
- protective shell
- worm
- pressing
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 54
- 230000001681 protective effect Effects 0.000 claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 241000555745 Sciuridae Species 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000725 suspension Substances 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—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
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted 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
- 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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- 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
- F16K31/60—Handles
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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
- F16K35/00—Means to prevent accidental or unauthorised actuation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The invention provides a flow regulating and pressure regulating valve which is difficult to open and close at will and is convenient for controlling the opening degree of a valve, and the flow regulating and pressure regulating valve comprises a main valve body, a valve seat arranged on the main valve body, a guide cylinder arranged in the main valve body, a piston arranged in the guide cylinder through a sliding device and used for sliding along the axial direction of the guide cylinder so as to be propped against the valve seat for sealing, and a valve shaft rotatably arranged in the main valve body and penetrating through the guide cylinder, wherein a connecting rod mechanism used for driving the guide cylinder to slide back and forth is arranged between the valve shaft and the guide cylinder, a protective shell is arranged on the main valve body, one end of the valve shaft is positioned in the protective shell and is provided with a worm wheel, a worm matched with the worm wheel is rotatably arranged in the protective shell, and an encryption rotating device used for preventing irrelevant personnel from rotating the worm by mistake and enabling the worm to rotate to be more controllable is arranged between the worm and the protective shell.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a flow regulating and pressure regulating valve.
Background
The current regulating and pressure regulating valve is widely applied, the current regulating is mainly realized through the opening of the piston, the current regulating is realized through the throttling sleeve arranged at the front end of the piston, the speed energy disappears due to the mutual collision of water or gas after being sprayed out through the round hole on the throttling sleeve, the current regulating and pressure regulating valve can achieve the effects of current regulating and pressure regulating simultaneously based on the principle, but the current regulating and pressure regulating valve on the market has no encryption function, and once the current regulating and pressure regulating valve is opened and closed at will by other people, the current regulating and pressure regulating valve is opened and closed at improper time or is regulated to improper size, the water conveying pipeline is extremely easy to damage, and great economic loss is brought.
Disclosure of Invention
Therefore, in order to solve the above problems, the present invention provides a flow regulating and pressure regulating valve which is not easy to be opened and closed at will and is convenient for controlling the opening degree of the valve.
In order to achieve the above purpose, the technical scheme of the invention is to provide a flow regulating and pressure regulating valve, which comprises a main valve body, a valve seat arranged on the main valve body, a guide cylinder arranged in the main valve body, a piston arranged in the guide cylinder through a sliding device and used for sliding along the axial direction of the guide cylinder so as to be propped against the valve seat for sealing, and a valve shaft rotatably arranged in the main valve body and penetrating through the guide cylinder, wherein a connecting rod mechanism used for driving the guide cylinder to slide back and forth is arranged between the valve shaft and the guide cylinder, a protective shell is arranged on the main valve body, one end of the valve shaft is positioned in the protective shell and provided with a worm wheel, a worm matched with the worm wheel is rotatably arranged in the protective shell, and an encryption rotating device used for preventing unrelated personnel from rotating the worm by mistake and enabling the worm to rotate to be more controllable is arranged between the worm and the protective shell;
the encryption rotation device includes: the upper clamping rod and the lower clamping rod are arranged in the protective shell, are respectively positioned at the upper side and the lower side of the worm, are arranged at the upper end and the lower end of the worm and penetrate through the upper clamping rod and the lower clamping rod of the bearing seat, an upper pressing rotating device is arranged between the upper clamping rod and the protective shell, and a lower pressing rotating device is arranged between the lower clamping rod and the protective shell;
the upward pressing rotation device includes: the upper clamping device comprises an upper pressing rod, an upper clamping hole, a first limiting block, a first rotating bearing, a first annular table, a first spring, a first rotating bearing and a pressing handle, wherein the upper pressing rod is arranged on the protective shell and has an upper end part flush with the protective shell, the upper clamping hole is formed in the bottom of the upper pressing rod and is used for being clamped with the upper clamping rod, the first limiting block is arranged on the protective shell in a sliding mode through a first magnetic driving device in a sliding mode, the upper rotating groove is formed in the upper pressing rod and is used for being matched with the first limiting block to drive the upper pressing rod to rotate, the first annular table is arranged on the upper pressing rod and is used for preventing the upper pressing rod from upwards sliding out of the protective shell, the first annular table is sleeved on the upper clamping rod, one end of the bearing seat resists against the first annular table, the first spring is used for enabling a gap to be reserved between the upper pressing rod and the upper clamping rod and can reset after pressing is completed, the first round hole is formed in the upper pressing rod and is located at one end far away from the upper clamping rod, the first rotating bearing is arranged in the first round hole, and the pressing handle is arranged on the rotating bearing is convenient to press the pressing handle.
The further improvement is that: the downward pressing rotation device includes: the lower pressing rod which can slide up and down is arranged on the protective shell, the lower end part of the lower pressing rod is flush with the protective shell, the lower clamping hole which is arranged at the bottom of the lower pressing rod and is used for being clamped with the lower clamping rod, the second limiting block which can slide back and forth is arranged on the protective shell through the second magnetic driving device, the lower rotating groove which is arranged on the lower pressing rod and is used for being matched with the second limiting block to drive the lower pressing rod to rotate and is opposite to the rotating direction of the upper rotating groove, the second annular table which is arranged on the lower pressing rod, the lower clamping rod which is sleeved with the lower clamping rod, one end of the lower limiting block resists against the second annular table at one end of the bearing seat, and be used for making down pressing down the second spring that has the clearance and can reset after pressing down between the clamping pole and the lower, set up on pressing down the pressing pole and lie in the second round hole of keeping away from the one end of clamping pole down, set up the second rolling bearing in the second round hole, set up extension pole on the second rolling bearing, the middle part articulates the pedal on the protective housing, set up the bar hole on the pedal, lock is equipped with the screw that is used for preventing pedal and extension pole separation between bar hole and the extension pole and screw size and bar hole size assorted.
The further improvement is that: the upper rotating groove includes: the spiral ring is around the first chute on the upper pressing rod, vertically open on the upper pressing rod and pass through the first straight slot of the end and the start end of the first chute in turn towards the first annular table, the first slope which is arranged in the first straight slot and is used for forming a step at the juncture of the first straight slot and the first chute along the direction lifting of the end of the first chute to the start end of the first chute, the second slope which is arranged on the first chute and is used for forming a step at the end of the first chute along the direction of the spiral of the first chute are slowly lifted, the first straight slot extends towards the first annular table and is longer than the gap between the upper pressing rod and the upper clamping rod, so that the upper pressing rod rotates after the upper clamping rod penetrates into the upper pressing rod.
The further improvement is that: the first magnetic driving device includes: the magnetic force sensor comprises a first guide sleeve arranged on a protective shell, a first guide post arranged on the protective shell and positioned in the first guide sleeve, a first guide hole formed in a first limiting block, and a first annular magnetic block arranged at the bottom of the first limiting block and used for being adsorbed on the protective shell and pushing the first limiting block to move when encountering repulsive magnetic pieces.
The further improvement is that: and the protective shell is also provided with a guide sleeve which is matched with the upper pressing rod and the lower pressing rod in size and used for enhancing the sliding stability of the upper pressing rod and the lower pressing rod.
The further improvement is that: the link mechanism includes: the valve shaft is fixedly arranged on the valve shaft, the transmission rod is used for rotating along with the valve shaft, the hinge seat is arranged at the center of the piston, and one end of the hinge seat is hinged to the hinge rod of the hinge seat, and the other end of the hinge rod is hinged to the hinge seat.
The further improvement is that: the slip device includes: the sliding grooves are arranged in the guide cylinder, and are formed in the outer side of the piston and matched with the sliding rails.
The further improvement is that: the piston is also provided with a squirrel cage body for enabling medium discharge to be more linear, and the outer side of the valve body is also provided with a rear valve body matched with the squirrel cage body.
The invention has the advantages and beneficial effects that:
simple structure, it is convenient to use, avoids the valve to open and close at will by the irrelevant personnel through being provided with encryption rotating device, and encryption mode is hidden difficult to be perceived for the irrelevant personnel can only carry out simple pressing and can't adjust the valve, has improved valve safety in utilization and life, has avoided endless economic loss, and because the mode of opening and close the valve changes the form of pressing into, presses the fixed to the adjustment volume of valve aperture at every turn, has also further improved the controllability of regulating the flow air-vent valve.
Drawings
FIG. 1 is a schematic top view of a flow regulating and pressure regulating valve according to the present invention;
FIG. 2 is a schematic cross-sectional view of a side-view protective housing of a flow regulating and pressure regulating valve according to the present invention;
FIG. 3 is a schematic diagram of a first magnetic driving device of a flow regulating and pressure regulating valve according to the present invention;
FIG. 4 is a schematic diagram of an upper pressing rod of a flow regulating and pressure regulating valve according to the present invention;
FIG. 5 is an enlarged schematic view of a portion A of a flow regulating and pressure regulating valve according to the present invention;
FIG. 6 is a schematic side cross-sectional view of a flow regulating and pressure regulating valve according to the present invention;
in the figure: 1. a main valve body; 2. a valve seat; 3. a guide cylinder; 4. a piston; 5. a valve shaft; 6. a protective shell; 7. a worm wheel; 8. a worm; 9. a bearing seat; 10. an upper clamping rod; 11. a lower clamping rod; 12. pressing a pressing rod; 13. a first limiting block; 14. a first ring table; 15. a first spring; 16. a first round hole; 17. a first rotating bearing; 18. pressing the handle; 19. pressing down the pressing rod; 20. a second ring table; 21. a second spring; 22. a second round hole; 23. a second rotating bearing; 24. an extension rod; 25. stepping on the pedal; 26. a bar-shaped hole; 27. a screw; 28. a first chute; 29. a first straight groove; 30. a first ramp; 31. a first guide sleeve; 32. a first guide post; 33. a first guide hole; 34. a first annular magnetic block; 35. guide sleeve; 36. a transmission rod; 37. a hinge base; 38. a hinge rod; 39. a slide rail; 40. a squirrel cage body; 41. a rear valve body; 42. a screw seat; 43. a suspension ring screw; 44. and a second ramp.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
As shown in fig. 1-6, a flow regulating and pressure regulating valve comprises a main valve body 1, a valve seat 2 arranged on the main valve body 1, a guide cylinder 3 arranged in the main valve body 1, a piston 4 arranged in the guide cylinder 3 through a sliding device and used for sliding along the axial direction of the guide cylinder 3 so as to be propped against the valve seat 2 for sealing, and a valve shaft 5 rotatably arranged in the main valve body 1 and penetrating through the guide cylinder 3, wherein a connecting rod mechanism used for driving the guide cylinder 3 to slide back and forth is arranged between the valve shaft 5 and the guide cylinder 3, a protective shell 6 is arranged on the main valve body 1, one end of the valve shaft 5 is positioned in the protective shell 6 and provided with a worm wheel 7, a worm 8 matched with the worm wheel 7 is rotatably arranged in the protective shell 6, and an encryption rotating device used for preventing an irrelevant person from rotating the worm 8 by mistake and enabling the worm 8 to rotate is arranged between the worm 8 and the protective shell 6.
In order to prevent irrelevant personnel from opening and closing the valve, the encryption rotating device comprises: the upper clamping rod 10 and the lower clamping rod 11 which are arranged in the protective shell 6, respectively positioned on the upper side and the lower side of the worm 8, are arranged at the upper end and the lower end of the worm 8 and penetrate through the bearing seats 9, an upper pressing rotating device is arranged between the upper clamping rod 10 and the protective shell 6, and a lower pressing rotating device is arranged between the lower clamping rod 11 and the protective shell 6.
In order to convert pressing force into rotational force and to avoid rotation by pressing by an unrelated person, the upper pressing rotation device includes: the upper pressing rod 12 which is arranged on the protective shell 6 in a sliding manner up and down and has the upper end part flush with the protective shell 6, an upper clamping hole (not shown in the figure) which is formed in the bottom of the upper pressing rod 12 and is used for being clamped with the upper clamping rod 10, a first limiting block 13 which is arranged on the protective shell 6 in a sliding manner back and forth through a first magnetic driving device, an upper rotating groove which is formed in the upper pressing rod 12 and is used for being matched with the first limiting block 13 to drive the upper pressing rod 12 to rotate, a first annular table 14 which is arranged on the upper pressing rod 12 and is used for preventing the upper pressing rod 12 from sliding upwards out of the protective shell 6, a first annular table 14 which is sleeved on the upper clamping rod 10, a first spring 15 which is provided with a gap between the upper pressing rod 12 and the upper clamping rod 10 and can reset after the pressing is completed, a first round hole 16 which is formed in the upper pressing rod 12 and is positioned at one end far away from the upper clamping rod 10, a first rotating bearing 17 which is arranged in the first round hole 16, and a pressing handle 18 which is arranged on the rotating bearing and is convenient for pressing the upper pressing rod 12.
In order to convert pressing force into rotational force, avoid pressing by an unrelated person to generate rotation and facilitate pressing, the lower pressing rotating device includes: a lower pressing rod 19 which is arranged on the protective shell 6 in a sliding manner up and down and has the lower end part flush with the protective shell 6, a lower clamping hole (not shown in the figure) which is arranged at the bottom of the lower pressing rod 19 and is used for being clamped with the lower clamping rod 11, a second limiting block (not shown in the figure) which is arranged on the protective shell 6 in a sliding manner back and forth through a second magnetic driving device, a lower rotating groove which is arranged on the lower pressing rod 19 and is used for being matched with the second limiting block to drive the lower pressing rod 19 to rotate and has the opposite rotating direction with the upper rotating groove, a second annular table 20 which is arranged on the lower pressing rod 19, a second annular table 20 which is sleeved on the lower clamping rod 11, one end of the second limiting block is propped against the bearing seat 9, and be used for making to push down the second spring 21 that has the clearance and can reset after the completion of pressing down between pole 19 and the lower block pole 11, set up on pushing down the pole 19 and lie in the second round hole 22 that is away from the one end of lower block pole 11, set up in the second round hole 22 second rolling bearing 23, set up the extension pole 24 on the second rolling bearing 23, the middle part articulates the pedal 25 on protective housing 6, set up the bar hole 26 on pedal 25, lock between bar hole 26 and the extension pole 24 is equipped with the screw 27 that is used for preventing pedal 25 and extension pole 24 separation and screw 27 size and bar hole 26 size phase-match.
In order to drive the worm 8 in a fixed rotation each time it is pressed, the upper rotation groove comprises: the spiral ring bypasses the first chute 28 arranged on the upper pressing rod 12, vertically arranged on the upper pressing rod 12 and sequentially passes through the first straight groove 29 of the end and the start end of the first chute 28 towards the first annular table, the first slope 30 which is arranged in the first straight groove 29 and is used for forming a step at the junction of the first chute 29 and the first chute 28 is lifted up in the direction from the end of the first chute 28 to the start end of the first chute 28, the second slope 44 which is arranged on the first chute 28 and is used for forming a step at the end of the first chute 28 is slowly lifted up in the spiral direction of the first chute, the first straight groove 29 extends towards the first annular table 14 and is larger than the gap between the upper pressing rod 12 and the upper clamping rod 10 in distance, and the first pressing rod 12 rotates after the upper clamping rod 10 penetrates into the upper pressing rod 12, when a user presses the upper pressing rod 12, the first slope 30 stops the first slope 13 to stop the first slope 30, the upper pressing rod 12 slides down directly, the first slope 44 is formed at the end of the first chute 28 along the first chute 28, the first slope 28 rotates along the first slope 28, and the first slope 28 rotates repeatedly, and the first slope 28 is stopped up to the first slope 28 rotates repeatedly, and the first slope 28 rotates along the first slope 28 is stopped when the first slope 28 rotates along the first slope 28;
the lower rotating groove has a substantially identical structure except for a steering direction different from that of the upper rotating groove, and includes: the spiral ring is around setting up on the lower pressing pole 19 and the second chute (not shown in the figure) opposite to the first chute 28 direction, vertically set up on the lower pressing pole 19 and towards the second ring platform pass the second straight flute (not shown in the figure) of the end and the beginning of second chute in proper order, set up in the second straight flute along the direction lifting of second chute end to the beginning of second chute be used for forming the third slope (not shown in the figure) of a step in second straight flute and the juncture of second chute, set up on the second chute (not shown in the figure) along the direction of second chute spiral slowly lifting be used for forming the fourth slope (not shown in the figure) of a step in the end of second chute (not shown in the figure), the second straight flute extends to second ring platform 20 direction and the distance is greater than the clearance between lower pressing pole 19 and the lower block pole 11 and be used for making down block pole 11 penetrate down pressing pole 19 and just rotate down pressing pole 19 after the junction.
In order to make the stopper just block in the rotation groove when appropriate, a magnetic force drive device includes: the magnetic force sensor comprises a first guide sleeve 31 arranged on a protective shell 6, a first guide post 32 arranged on the protective shell 6 and positioned in the first guide sleeve 31, a first guide hole 33 arranged on a first limiting block 13, and a first annular magnetic block 34 arranged at the bottom of the first limiting block 13 and used for being adsorbed on the protective shell 6 and pushing the first limiting block 13 to move when repulsive magnetic pieces are encountered;
the second magnetic force driving device is provided with a position different from that of the first magnetic force driving device, other structures are basically consistent, and the second magnetic force driving device comprises: the second guide sleeve (not shown in the figure) arranged on the protective shell 6, the second guide post (not shown in the figure) arranged on the protective shell 6 and positioned in the second guide sleeve, the second guide hole (not shown in the figure) arranged on the second limiting block (not shown in the figure), and the second annular magnetic block (not shown in the figure) arranged at the bottom of the second limiting block (not shown in the figure) and used for being adsorbed on the protective shell 6 and pushing the second limiting block to move when the repulsive magnetic pieces are encountered.
In order to improve the sliding stability of the upper pressing rod 12 and the lower pressing rod 19, the protective housing 6 is further provided with a guide sleeve 35 which is matched with the sizes of the upper pressing rod 12 and the lower pressing rod 19 and is used for enhancing the sliding stability of the upper pressing rod 12 and the lower pressing rod 19.
To facilitate the movement of the drive piston 4, the linkage comprises: the valve comprises a transmission rod 36 fixedly arranged on the valve shaft 5 and used for rotating along with the valve shaft 5, a hinge seat 37 arranged at the center of the piston 4, and a hinge rod 38, one end of which is hinged to the transmission rod 36 and one end of which is hinged to the hinge seat 37.
In order to prevent the piston 4 from sliding off, the sliding means comprise: the guide cylinder comprises a plurality of sliding rails 39 arranged in the guide cylinder 3 and sliding grooves formed in the outer side of the piston 4 and matched with the sliding rails 39.
In order to enhance the flow and pressure regulating function, the piston 4 is further provided with a squirrel cage 40 for enabling the medium to be discharged more linearly, and the outer side of the valve body is further provided with a rear valve body 41 for matching with the squirrel cage 40.
In order to facilitate the installation of the movable flow regulating and pressure regulating valve, at least four thread seats 42 which are regularly arranged are arranged on the upper side and the lower side of the valve body, and lifting screws 43 are locked in the thread seats 42.
Working principle: when the valve is used, the magnetic part which is magnetically repelled by the first annular magnetic block 34 is pressed at the position on the protective shell 6 matched with the first annular magnetic block 34, the first limiting block 13 can be driven to move upwards to complete the clamping of the rotating groove, then a user pushes the upper pressing rod 12, the upper pressing rod 12 and the upper clamping rod 10 are clamped and then rotated under the action of the first rotating bearing 17 and the upper rotating groove, the worm 8 is driven to rotate for one circle, the worm wheel 7 is driven to rotate, the valve shaft 5 drives the transmission rod 36 to rotate, the hinge rod 38 is pushed to move, and finally the piston 4 is controlled to slide forwards, so that the valve is closed, and the opening degree of the valve can be controlled by a worker to adjust the flow and the pressure because the worm can be controlled to rotate for one circle.
Conversely, when the user wants to open the valve, the user can press the magnetic part which is magnetically repulsed from the second annular magnetic block (not shown in the figure) to the position on the protection shell 6 which is matched with the second annular magnetic block (not shown in the figure), and the user can control the worm 8 to rotate reversely to open the valve by stepping and pressing.
While the basic principles and main features of the present invention and advantages thereof have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described merely by way of illustration of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a flow regulating and pressure regulating valve, includes the main valve body, set up in disk seat on the main valve body, set up in the guide shell in the main valve body, thereby set up through slider in be used for in the guide shell along guide shell axial direction slide with disk seat looks sealed piston, rotatable set up in the valve shaft that just runs through the guide shell in the main valve body, be provided with the link mechanism that is used for driving the guide shell and slides around between valve shaft and the guide shell, be provided with the protective housing on the main valve body, valve shaft one end is located the protective housing and is provided with the worm wheel, rotatable be provided with in the protective housing with worm wheel matched with worm, its characterized in that: an encryption rotating device which is used for preventing irrelevant personnel from rotating the worm by mistake and enabling the rotation of the worm to be controllable is arranged between the worm and the protective shell;
the encryption rotation device includes: the upper clamping rod and the lower clamping rod are arranged in the protective shell, are respectively positioned at the upper side and the lower side of the worm, are arranged at the upper end and the lower end of the worm and penetrate through the upper clamping rod and the lower clamping rod of the bearing seat, an upper pressing rotating device is arranged between the upper clamping rod and the protective shell, and a lower pressing rotating device is arranged between the lower clamping rod and the protective shell;
the upward pressing rotation device includes: the upper clamping device comprises an upper pressing rod, an upper clamping hole, a first limiting block, a first rotating bearing, a first annular table, a first spring, a first rotating bearing and a pressing handle, wherein the upper pressing rod is arranged on the protective shell and has an upper end part flush with the protective shell, the upper clamping hole is formed in the bottom of the upper pressing rod and is used for being clamped with the upper clamping rod, the first limiting block is arranged on the protective shell in a sliding mode through a first magnetic driving device in a sliding mode, the upper rotating groove is formed in the upper pressing rod and is used for being matched with the first limiting block to drive the upper pressing rod to rotate, the first annular table is arranged on the upper pressing rod and is used for preventing the upper pressing rod from upwards sliding out of the protective shell, the first annular table is sleeved on the upper clamping rod, one end of the bearing seat resists against the first annular table, the first spring is used for enabling a gap to be reserved between the upper pressing rod and the upper clamping rod and can reset after pressing is completed, the first round hole is formed in the upper pressing rod and is located at one end far away from the upper clamping rod, the first rotating bearing is arranged in the first round hole, and the pressing handle is arranged on the rotating bearing is convenient to press the pressing handle.
2. The flow regulating valve according to claim 1, wherein: the downward pressing rotation device includes: the device comprises a lower pressing rod, a lower clamping hole, a second limiting block, a second rotating bearing, an extension rod, a pedal plate and a strip-shaped hole, wherein the lower pressing rod is arranged on a protective shell and has a lower end part flush with the protective shell, the lower clamping hole is formed in the bottom of the lower pressing rod and is used for being clamped with the lower clamping rod, the second limiting block is arranged on the protective shell in a sliding mode through a second magnetic driving device, the second limiting block is arranged on the lower pressing rod and is used for being matched with the second limiting block to drive the lower pressing rod to rotate, the strip-shaped hole is opposite to the upper rotating groove in rotation direction, the second annular table is arranged on the lower pressing rod, the lower clamping rod is sleeved on the lower clamping rod, one end of the second spring resists against the second annular table, the second spring is used for enabling a gap between the lower pressing rod and the lower clamping rod and can reset after pressing is completed, the second round hole is formed in the lower pressing rod, the second rotating bearing is arranged in the second round hole, the extension rod is arranged on the second rotating bearing is far away from the lower pressing rod, the middle of the extension rod is hinged on the protective shell, the strip-shaped hole is formed in the pedal plate, and the strip-shaped hole is formed in the extension screw is matched with the size of the extension screw, and used for preventing the extension screw from being separated from the pedal.
3. The flow regulating valve according to claim 2, wherein: the upper rotating groove includes: the spiral ring is around the first chute on the upper pressing rod, vertically open on the upper pressing rod and pass through the first straight slot of the end and the start end of the first chute in turn towards the first annular table, the first slope which is arranged in the first straight slot and is used for forming a step at the juncture of the first straight slot and the first chute along the direction lifting of the end of the first chute to the start end of the first chute, the second slope which is arranged on the first chute and is used for forming a step at the end of the first chute along the direction of the spiral of the first chute are slowly lifted, the first straight slot extends towards the first annular table and is longer than the gap between the upper pressing rod and the upper clamping rod, so that the upper pressing rod rotates after the upper clamping rod penetrates into the upper pressing rod.
4. A flow regulating valve according to claim 3, wherein: the first magnetic driving device includes: the magnetic force sensor comprises a first guide sleeve arranged on a protective shell, a first guide post arranged on the protective shell and positioned in the first guide sleeve, a first guide hole formed in a first limiting block, and a first annular magnetic block arranged at the bottom of the first limiting block and used for being adsorbed on the protective shell and pushing the first limiting block to move when encountering repulsive magnetic pieces.
5. The flow regulating valve according to claim 2, wherein: and the protective shell is also provided with a guide sleeve which is matched with the upper pressing rod and the lower pressing rod in size and used for enhancing the sliding stability of the upper pressing rod and the lower pressing rod.
6. The flow regulating valve according to claim 1, wherein: the link mechanism includes: the valve shaft is fixedly arranged on the valve shaft, the transmission rod is used for rotating along with the valve shaft, the hinge seat is arranged at the center of the piston, and one end of the hinge seat is hinged to the hinge rod of the hinge seat, and the other end of the hinge rod is hinged to the hinge seat.
7. The flow regulating valve according to claim 1, wherein: the slip device includes: the sliding grooves are arranged in the guide cylinder, and are formed in the outer side of the piston and matched with the sliding rails.
8. The flow regulating valve according to claim 1, wherein: the piston is also provided with a squirrel cage body for enabling medium discharge to be more linear, and the outer side of the valve body is also provided with a rear valve body matched with the squirrel cage body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311201379.8A CN116928364B (en) | 2023-09-18 | 2023-09-18 | Flow-regulating pressure regulating valve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311201379.8A CN116928364B (en) | 2023-09-18 | 2023-09-18 | Flow-regulating pressure regulating valve |
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| CN116928364B CN116928364B (en) | 2023-11-28 |
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| Publication number | Publication date |
|---|---|
| CN116928364B (en) | 2023-11-28 |
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