CN113685482A - Two-way electromagnetic valve - Google Patents
Two-way electromagnetic valve Download PDFInfo
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- CN113685482A CN113685482A CN202110920051.6A CN202110920051A CN113685482A CN 113685482 A CN113685482 A CN 113685482A CN 202110920051 A CN202110920051 A CN 202110920051A CN 113685482 A CN113685482 A CN 113685482A
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- movable groove
- valve body
- guide
- supporting
- sliding
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
- F16F15/085—Use of both rubber and metal springs
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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
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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
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
Abstract
The invention provides a two-way electromagnetic valve, which comprises a valve body and a fixed seat, wherein a supporting rod is fixedly connected to the position, close to the left side, of the outer surface of the lower end of the valve body, a first movable groove is formed in the outer surface of the upper end of the fixed seat, a second movable groove is formed in the outer surface of the lower end of the first movable groove, the bottom end of the supporting rod penetrates through the movable grooves and extends into the second movable groove, a limiting ring is fixedly connected to the position, close to the bottom end, of the annular outer surface of the supporting rod, a pressure spring is arranged on the outer surface of the lower end of the limiting ring, and a squeezing plate is fixedly connected to the outer surface of the lower end of the supporting rod, so that vibration and shaking generated when the electromagnetic valve works can be buffered, the damage degree of electromagnetic valve internal parts caused by electromagnetic valve vibration can be reduced, and the electromagnetic valve can be further fastened while the electromagnetic valve shakes up and down, the shaking amplitude of the electromagnetic valve is reduced, and the service life of the electromagnetic valve is further prolonged.
Description
Technical Field
The invention relates to the technical field of electromagnetic valves, in particular to a bidirectional electromagnetic valve.
Background
The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, is not limited to hydraulic pressure and pneumatic pressure, is used in an industrial control system for adjusting the direction, flow, speed and other parameters of a medium, can be matched with different circuits to realize expected control, ensures both the control precision and flexibility, has various electromagnetic valves, plays a role in different positions of the control system, and is most commonly a one-way valve, a safety valve, a direction control valve, a speed adjusting valve and the like.
In the process of implementing the invention, the following problems in the prior art are found to be at least not solved: traditional solenoid valve is being connected the back with the water pump, and the water pump can take place the vibration under the condition of work, and the long-time impact of rivers after the water pump pressure boost simultaneously can drive the solenoid valve and produce and rock, and the solenoid valve also can produce the vibration when two-way switching simultaneously, and long-time the use can lead to the fact the harm to the internals of solenoid valve to the life of solenoid valve has been reduced.
To this end, a two-way solenoid valve is proposed.
Disclosure of Invention
The first objective of the present invention is to provide a two-way solenoid valve, which can buffer the vibration and the shaking generated when the solenoid valve works, so as to reduce the damage degree of the internal parts of the solenoid valve caused by the vibration of the solenoid valve, and meanwhile, the solenoid valve can be further fastened while the solenoid valve shakes up and down, so as to reduce the shaking amplitude of the solenoid valve, and further prolong the service life of the solenoid valve, so as to solve the problems in the background art.
The invention provides a two-way electromagnetic valve, which comprises a valve body and a fixed seat, wherein a supporting rod is fixedly connected to the position, close to the left side, of the outer surface of the lower end of the valve body, a first movable groove is formed in the outer surface of the upper end of the fixed seat, a second movable groove is formed in the outer surface of the lower end of the first movable groove, the bottom end of the supporting rod penetrates through the movable groove and extends into the second movable groove, a limiting ring is fixedly connected to the position, close to the bottom end, of the annular outer surface of the supporting rod, a pressure spring is arranged on the outer surface of the lower end of the limiting ring, a squeezing plate is fixedly connected to the outer surface of the lower end of the supporting rod, a first air bag is arranged in the second movable groove, a third movable groove is formed in the center of the outer surface of the upper end of the fixed seat, a second air bag is arranged at the bottom end of the inner surface of the third movable groove, a movable plate is arranged in the third movable groove, and the first air bag is communicated with the second air bag, the outer surface of the upper end of the movable plate is fixedly connected with a supporting seat, the supporting seat is of an arc-shaped structure and is in mutual sliding fit contact with the outer surface of the lower end of the valve body, and a rubber cushion pad is arranged on the outer surface of the upper end of the supporting seat; when the valve body shakes during operation, the valve body drives the supporting rod to move towards the first movable groove on the fixing seat, the limiting ring can be forced to extrude the pressure spring in the process that the supporting rod moves downwards, so that the primary buffering and damping purposes are achieved, the first air bag is further extruded by the extrusion plate on the supporting rod to move towards the second movable groove, at the moment, gas in the first air bag is extruded to enter the second air bag, the valve body can be further buffered in a damping mode through the first air bag, and gas in the first air bag in the second movable groove enters the second air bag in the third movable groove, so that the purpose of inflating the second air bag is achieved, at the moment, the second air bag expands to extrude the movable plate, at the moment, the movable plate drives the supporting seat to move upwards in the third movable groove to be attached to the outer surface of the lower end of the valve body, so that the purpose of supporting the valve body is achieved, and the phenomenon that the valve body descends in a large distance during vibration is prevented, therefore, the phenomenon that the joint of the flange plates connected at two ends is dislocated when the valve body descends is caused, and the connection sealing performance of the valve body and the flange plates is influenced; set up rubber buffer through the upper end surface at the supporting seat, can move up the purpose of playing the buffering until the lower extreme surface contact with the valve body on the supporting seat, reduce the rigid contact between supporting seat and the valve body to the life of extension valve body.
Preferably, the diameter of the second movable groove is smaller than that of the first movable groove, the annular outer surface of the limiting ring is attached to the inner surface of the first movable groove, the annular outer surface of the extrusion plate is attached to the inner surface of the second movable groove, and a rubber pad is arranged on the outer surface of the lower end of the extrusion plate; the during operation drives the stripper plate extrusion activity groove two in-process when the bracing piece moves down and sets up the gasbag temporarily, through setting up the rubber buffer pad at the upper end surface of supporting seat, can move on the supporting seat until the lower extreme surface contact with the valve body when playing the purpose of buffering, reduces the rigid contact between supporting seat and the valve body to the life of extension valve body.
Preferably, a supporting and positioning device is arranged between the side wall of the right end of the supporting rod and the movable plate, and the supporting and positioning device comprises a first rack, a rotating gear, a supporting seat, a second rack and a fixed rod; the first rack is fixedly arranged on the right side wall of the supporting rod, the rotating gear is rotatably meshed on the right side of the first rack through the supporting seat, the bottom end of the supporting seat is fixedly arranged on the upper surface of the fixed base, the second rack is arranged on the side wall of the movable plate through the fixed rod, and the second rack and the rotating gear are in meshed transmission; when the valve body vibrates downwards, the support rod can drive the first rack to synchronously downwards move, the first rack is meshed with the rotating gear, so the downwards movement of the first rack can drive the rotating gear to rotate, the rotation of the rotating gear can drive the second rack to rotate, the second rack is fixedly arranged on the movable plate through the fixed rod, when the first rack downwards moves, the second rack is driven to upwards move through the rotating gear, so the movable plate can be driven to upwards move, therefore, the movable plate can upwards move under the double acting force of the second rack and the expansion of the gas filled in the second airbag, the support stability of the valve body vibrating downwards by the support seat is improved, the phenomenon that the vibration descending distance of the valve body is overlarge due to overlarge instantaneous impact force on the valve body and the undersize supporting force of the gas filled in the second airbag is prevented, thereby affecting the stability and safety of the connection between the valve body and the external flange; it should be noted that, in the present application, when the valve body is in the non-vibration state, the upper surface of the support seat is in a non-contact state with the lower surface of the valve body.
Preferably, a gear locking mechanism is arranged right below the rotating gear; the gear locking mechanism comprises a sliding cylinder, a sliding guide rod, a positioning locking block and a soft catheter; the sliding cylinder is fixedly arranged inside the upper surface of the fixed base, a sliding guide rod is arranged inside the sliding cylinder in a sealing sliding mode, the bottom end of the sliding guide rod is connected to the inside of the bottom end of the sliding cylinder through a pressure spring, a positioning locking block is fixedly arranged at the top end of the sliding guide rod, the top end of the positioning locking block is inserted between every two adjacent teeth of the rotating gear in a sliding mode, a guide groove is formed inside the supporting rod, the top end of the guide groove is communicated with the inside of the valve body, and the bottom end of the guide groove is communicated with the upper portion of the sliding cylinder through a soft guide pipe; when the sliding valve works, when a working medium flows into the valve body, such as water flows, when high-pressure water enters the valve body, the high-pressure water flow can enter the guide groove, then the high-pressure water flow in the guide groove can enter the upper position of the sliding cylinder through the soft guide pipe, the high-pressure water flow can compress and slide the sliding guide rod arranged in the sliding cylinder downwards, so that the positioning locking block arranged at the top end of the sliding guide rod is separated from two adjacent teeth of the rotating gear, the rotating gear can rotate freely, and the pressure spring arranged in the sliding cylinder can be compressed when the sliding guide rod slides downwards; when the two-way electromagnetic valve needs to be detached from the water pump, the water pump stops working at the moment, so that the high-pressure water flow is stopped from being supplied into the valve body, therefore, the pressure of high-pressure water flow is not generated in the sliding cylinder, the sliding guide rod can slide upwards under the rebounding force of the pressure spring, so that the positioning locking block arranged at the top end of the sliding guide rod can be inserted between two adjacent teeth of the rotating gear, thereby, the rotating gear can be locked and positioned, the rotating gear can not rotate, when the valve body is subjected to the pressure or the torsional force when being disassembled from the outside, because the first rack arranged on the side wall of the supporting rod is in a fixed state, the supporting rod can not slide downwards, thereby be convenient for carry out the fast and stable dismantlement to the ring flange at valve body both ends, effectively prevent because the upper and lower vibrations of valve body to influence the quick dismantlement effect of the ring flange at valve body both ends.
Preferably, the outer surface of the lower end of the second movable groove is provided with an air transmission cavity, and the other end of the air transmission cavity is positioned at the bottom end of the third movable groove; the first air bag and the second air bag are communicated with each other through an air transmission cavity, and an air guide sealing mechanism is arranged in the air transmission cavity; when the air bag type air inflation valve works, at the moment, the air in the air bag I is extruded into the air transmission cavity, the purpose of shock absorption and buffering of the valve body can be further achieved by arranging the air bag I, and how the air enters the air bag II of the movable groove III through the air transmission cavity, so that the purpose of inflating the air bag II is achieved; when the valve body does not work, the air guide sealing mechanism can seal the air transmission cavity, so that the phenomenon of air supply cannot occur to air between the first air bag and the second air bag, and further when the flange plates connected to the two ends of the valve body are disassembled, the fixed supporting effect of the supporting rod on the valve body is improved.
Preferably, the air guide sealing mechanism comprises a sealing guide plate and a supporting strip; a sealing groove is vertically formed in the position of the air transmission cavity in a crossed mode, the sealing groove is communicated with the bottom end of the sliding cylinder, a sealing guide plate is arranged in the sealing groove in a sliding mode, a supporting bar is fixedly arranged at the upper end of the sealing guide plate, and the top end of the supporting bar penetrates through the sliding cylinder in a sliding mode to be connected to the bottom end of the sliding guide rod; when the air bag type air bag device works, when high-pressure water flow is filled in the sliding cylinder to drive the sliding guide rod to slide downwards, the sliding guide rod can drive the sealing guide plate with the bottom end connected through the supporting bar to slide into the sealing groove below the air conveying cavity, and the air conveying cavity is in an open state at the moment, so that air in the air bag I and air in the air bag II can be communicated with each other; when stopping getting into high-pressure rivers in the slide cylinder, the sliding guide pole rebound can drive the position that sealed baffle upward movement slided the gas transmission chamber through the support bar to make sealed baffle can play sealed effect to the gas transmission chamber, thereby make gasbag one and gasbag two can the encapsulated situation, thereby further improve the stable safe holding power of bracing piece when dismantling the ring flange to the valve body, prevent that the valve body from producing the phenomenon of rocking when dismantling the ring flange.
Compared with the prior art, the invention has the beneficial effects that:
1. this application is through setting up mutually supporting of bracing piece and fly leaf, bracing piece gliding extrusion gasbag one and compression spring, can play the absorbing effect of buffering to the valve body, the fly leaf shifts up in the movable groove three and drives the supporting seat and shift up and laminate with the lower extreme surface of valve body, and then play the purpose of supporting the valve body, prevent because the distance that the valve body descends when vibrations is too big, thereby the junction that drives the ring flange that the both ends are connected when leading to the valve body to descend produces the phenomenon of dislocation, thereby influence the sealing performance of being connected of valve body and ring flange.
2. According to the invention, through the matching of the supporting and positioning device and the gear locking mechanism, the positioning and locking block arranged at the top end of the sliding guide rod can be inserted between two adjacent teeth of the rotating gear, so that the rotating gear can be locked and positioned, and the rotating gear cannot rotate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a structural view of the present invention;
FIG. 2 is a view of the combination of the fixing base and the supporting base;
FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention.
Description of reference numerals:
1. a valve body; 2. a fixed seat; 21. a sealing groove; 3. a support bar; 31. a guide groove; 4. a first movable groove; 5. a limiting ring; 6. a pressure spring; 7. a second movable groove; 8. a pressing plate; 9. a first air bag; 10. an air delivery cavity; 11. a third movable groove; 12. a second air bag; 13. a movable plate; 14. a supporting seat; 15. supporting and positioning the device; 151. a first rack; 152. a rotating gear; 153. a supporting seat; 154. a second rack; 155. fixing the rod; 16. a gear locking mechanism; 161. sliding the sliding cylinder; 162. a movable guide rod; 163. positioning the locking block; 164. a soft catheter; 17. an air guide sealing mechanism; 171. sealing the guide plate; 172. a support strip.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, the present invention provides a technical solution:
a two-way electromagnetic valve, as shown in fig. 1 to 3, comprises a valve body 1 and a fixed seat 2, a support rod 3 is fixedly connected to a position, close to the left side, of the outer surface of the lower end of the valve body 1, a first movable groove 4 is formed in the outer surface of the upper end of the fixed seat 2, a second movable groove 7 is formed in the outer surface of the lower end of the first movable groove 4, the bottom end of the support rod 3 penetrates through the first movable groove 4 and extends into the second movable groove 7, a limit ring 5 is fixedly connected to a position, close to the bottom end, of the annular outer surface of the support rod 3, a pressure spring 6 is arranged on the outer surface of the lower end of the limit ring 5, a squeezing plate 8 is fixedly connected to the outer surface of the lower end of the support rod 3, a first air bag 9 is arranged inside the second movable groove 7, a third movable groove 11 is formed in the center position of the outer surface of the upper end of the fixed seat 2, and a second air bag 12 is arranged at the bottom end of the inner surface of the third movable groove 11, a movable plate 13 is arranged inside the third movable groove 11, the first air bag 9 and the second air bag 12 are communicated with each other, a support seat 14 is fixedly connected to the outer surface of the upper end of the movable plate 13, the support seat 14 is of an arc-shaped structure and is in sliding fit contact with the outer surface of the lower end of the valve body 1, and a rubber cushion pad is arranged on the outer surface of the upper end of the support seat 14; when the valve body 1 shakes during operation, the valve body 1 drives the support rod 3 to move towards the first movable groove 4 on the fixed seat 2, the limiting ring 5 can be forced to extrude the pressure spring 6 in the process that the support rod 3 moves downwards, so that the primary buffering and damping purposes are achieved, the extrusion plate 8 on the support rod 3 continues to move towards the second movable groove 7 to extrude the first air bag 9, at the moment, gas in the first air bag 9 is extruded into the second air bag 12, the first air bag 9 can further achieve the damping and damping purposes on the valve body 1 by arranging the first air bag 9, and gas in the first air bag 9 in the second movable groove 7 enters the second air bag 12 in the third movable groove 11, so that the purpose of inflating the second air bag 12 is achieved, at the moment, the second air bag 12 expands to extrude the movable plate 13, at the moment, the movable plate 13 moves upwards in the third movable groove 11 to drive the support seat 14 to move upwards to be attached to the outer surface of the lower end of the valve body 1, the purpose of supporting the valve body 1 is achieved, and the phenomenon that the connection position of the flange plates connected with the two ends is displaced when the valve body 1 descends due to overlarge descending distance of the valve body 1 during vibration is prevented, so that the connection sealing performance of the valve body 1 and the flange plates is influenced; through set up rubber buffer pad at the upper end surface of supporting seat 14, can move up at supporting seat 14 and play the purpose of buffering when contacting with the lower extreme surface of valve body 1, reduce the rigid contact between supporting seat 14 and the valve body 1 to the life of extension valve body 1.
As an embodiment of the present invention, the diameter of the second movable groove 7 is smaller than the diameter of the first movable groove 4, the annular outer surface of the limiting ring 5 is attached to the inner surface of the first movable groove 4, the annular outer surface of the extrusion plate 8 is attached to the inner surface of the second movable groove 7, and a rubber pad is disposed on the outer surface of the lower end of the extrusion plate 8; during operation, when the supporting rod 3 moves down, the extruding plate 8 is driven to extrude the first air bag 9 arranged in the second movable groove 7, the rubber buffer pad is arranged on the outer surface of the upper end of the supporting seat 14, the supporting seat 14 can move up to the outer surface of the lower end of the valve body 1 to achieve the purpose of buffering, the rigid contact between the supporting seat 14 and the valve body 1 is reduced, and therefore the service life of the valve body 1 is prolonged.
As an embodiment of the present invention, a supporting and positioning device 15 is disposed between the right sidewall of the supporting rod 3 and the movable plate 13, and the supporting and positioning device 15 includes a first rack 151, a rotating gear 152, a supporting seat 153, a second rack 154 and a fixing rod 155; the first rack 151 is fixedly arranged at the right side wall of the support rod 3, the rotating gear 152 is rotatably engaged at the right side of the first rack 151 through a support seat 153, the bottom end of the support seat 153 is fixedly arranged on the upper surface of the fixed base 2, the second rack 154 is arranged on the side wall of the movable plate 13 through a fixed rod 155, and the second rack 154 and the rotating gear 152 are in mutual engagement transmission; in operation, when the support rod 3 is vibrated to move downwards by the valve body 1, the support rod 3 drives the first rack 151 to move downwards synchronously, and the first rack 151 is engaged with the rotating gear 152, so that the downward movement of the first rack 151 drives the rotating gear 152 to rotate, so that the rotation of the rotating gear 152 drives the second rack 154 to rotate, and since the second rack 154 is fixedly arranged on the movable plate 13 through the fixing rod 155, when the first rack 151 moves downwards, the rotating gear 152 drives the second rack 154 to move upwards, so that the movable plate 13 is driven to move upwards, so that the movable plate 13 moves upwards under the dual action of the expansion of the gas filled in the second rack 154 and the second airbag 12, thereby increasing the support stability of the support seat 14 to the downward-vibrated valve body 1, and preventing the valve body 1 from being subjected to an excessive impact force instantaneously, the supporting force of the gas filled into the second air bag 12 is too small, so that the phenomenon that the vibration descending distance of the valve body 1 is too large is caused, and the stability and the safety of the connection of the valve body 1 and an external flange plate are further influenced; it should be noted that, in the present application, when the valve body 1 is in the non-vibration state, the upper surface of the supporting seat 14 is in a non-contact state with the lower surface of the valve body 1.
As an embodiment of the present invention, a gear locking mechanism 16 is disposed right below the rotating gear 152; the gear locking mechanism 16 comprises a sliding cylinder 161, a sliding guide rod 162, a positioning locking block 163 and a soft conduit 164; the sliding cylinder 161 is fixedly installed inside the upper surface of the fixed base 2, a sliding guide rod 162 is arranged inside the sliding cylinder 161 in a sealing and sliding manner, the bottom end of the sliding guide rod 162 is connected to the inside of the bottom end of the sliding cylinder 161 through a pressure spring 6, a positioning locking block 163 is fixedly arranged at the top end of the sliding guide rod 162, the top end of the positioning locking block 163 is inserted between two adjacent teeth of the rotating gear 152 in a sliding manner, a guide groove 31 is formed inside the support rod 3, the top end of the guide groove 31 is communicated with the inside of the valve body 1, and the bottom end of the guide groove 31 is communicated with the upper part of the sliding cylinder 161 through a soft guide pipe 164; during operation, when a working medium flows into the valve body 1, for example, when water flows in, when high-pressure water enters the interior of the valve body 1, the high-pressure water flow enters the interior of the guide groove 31, and then the high-pressure water flow inside the guide groove 31 enters the upper position of the sliding cylinder 161 through the soft guide pipe 164, and the high-pressure water flow compresses and slides the sliding guide rod 162 slidably arranged inside the sliding cylinder 161 downwards, so that the positioning locking block 163 arranged at the top end of the sliding guide rod 162 is separated from two adjacent teeth of the rotating gear 152, so that the rotating gear 152 can rotate freely, and when the sliding guide rod 162 slides downwards, the pressure spring 6 arranged in the sliding cylinder 161 is compressed; when the two-way solenoid valve needs to be detached from the water pump, at this time, the water pump stops working, so that the supply of high-pressure water flow into the valve body 1 stops, and therefore, the pressure of the high-pressure water flow does not exist in the sliding cylinder 161, at this time, the sliding guide rod 163 slides upwards under the resilience of the pressure spring 6, so that the positioning locking block 163 arranged at the top end of the sliding guide rod 163 can be inserted between two adjacent teeth of the rotating gear 152, so that the rotating gear 152 can be locked and positioned, and the rotating gear 152 cannot rotate, therefore, when the valve body 1 is subjected to the pressure or the torsional force generated during the external detachment, because the first rack 151 arranged on the side wall of the support rod 3 is in a fixed state, the support rod 3 cannot slide downwards, thereby facilitating the rapid and stable detachment of the flange plates at two ends of the valve body 1, and effectively preventing the up-and down vibration of the valve body 1, thereby affecting the quick disassembly effect of the flange plates at the two ends of the valve body 1.
As an implementation manner of the invention, an air transmission cavity 10 is formed on the outer surface of the lower end of the second movable groove 7, and the other end of the air transmission cavity 10 is located at the bottom end of the third movable groove 11; the first air bag 9 and the second air bag 12 are communicated with each other through an air conveying cavity 10, and an air guide sealing mechanism 17 is arranged in the air conveying cavity 10; when the valve works, the gas in the first air bag 9 is extruded into the air transmission cavity 10, the purpose of shock absorption and buffering of the valve body 1 can be further achieved by arranging the first air bag 9, and how the gas enters the second air bag 12 of the movable groove III 11 through the air transmission cavity 10, so that the purpose of inflating the second air bag 12 is achieved; when the valve body 1 does not work, the air guide sealing mechanism 17 can seal the air transmission cavity 10, so that the air supply phenomenon cannot occur to the air between the first air bag 9 and the second air bag 12, and the fixed supporting effect of the supporting rod 3 on the valve body 1 is further improved when the flange plates connected to the two ends of the valve body 1 are disassembled.
As an embodiment of the present invention, the air guide sealing mechanism 17 includes a sealing guide plate 171 and a supporting bar 172; a sealing groove 21 is vertically formed in the position of the air transmission cavity 10 in a crossed manner, the sealing groove 21 is communicated with the bottom end of the sliding cylinder 161, a sealing guide plate 171 is slidably arranged in the sealing groove 21, a supporting bar 172 is fixedly arranged at the upper end of the sealing guide plate 171, and the top end of the supporting bar 172 is connected to the bottom end of the sliding guide bar 162 through the sliding cylinder 161 in a sliding manner; when the air conveying device works, when the sliding cylinder 161 is filled with high-pressure water flow to drive the sliding guide rod 162 to slide downwards, the sliding guide rod 162 can drive the sealing guide plate 171 connected with the bottom end through the supporting bar 172 to slide into the sealing groove 21 below the air conveying cavity 10, and the air conveying cavity 10 is in an open state at the moment, so that air in the first air bag 9 and air in the second air bag 12 can be communicated with each other; when stopping getting into high-pressure rivers in sliding barrel 161, slide guide 162 rebound can drive the position that sealed baffle 171 upward movement slided to gas transmission chamber 10 through support bar 172, thereby make sealed baffle 171 can play sealed effect to gas transmission chamber 10, thereby make gasbag one 9 and two 12 can the encapsulated situation, thereby further improve the stable safe holding power of bracing piece 3 when dismantling the ring flange to valve body 1, prevent that valve body 1 from producing the phenomenon of rocking when dismantling the ring flange.
The working principle is as follows: when the valve body 1 shakes during operation, the valve body 1 drives the support rod 3 to move towards the first movable groove 4 on the fixed seat 2, the limiting ring 5 can be forced to extrude the pressure spring 6 in the process that the support rod 3 moves downwards, so that the primary buffering and damping purposes are achieved, the extrusion plate 8 on the support rod 3 continues to move towards the second movable groove 7 to extrude the first air bag 9, at the moment, gas in the first air bag 9 is extruded into the second air bag 12, the first air bag 9 can further achieve the purposes of buffering and damping for the valve body 1, and gas in the first air bag 9 in the second movable groove 7 enters the second air bag 12 in the third movable groove 11, so that the purpose of inflating the second air bag 12 is achieved, at the moment, the second air bag 12 expands to extrude the movable plate 13, at the moment, the movable plate 13 moves upwards in the third movable groove 11 to drive the support seat 14 to move upwards to be attached to the outer surface of the lower end of the valve body 1, so that the purpose of supporting the valve body 1 is achieved, the phenomenon that the connection position of the flange plates connected at two ends is driven to generate dislocation when the valve body 1 descends due to overlarge descending distance of the valve body 1 during vibration is prevented, so that the connection sealing performance of the valve body 1 and the flange plates is influenced; through set up rubber buffer pad at the upper end surface of supporting seat 14, can move up at supporting seat 14 and play the purpose of buffering when contacting with the lower extreme surface of valve body 1, reduce the rigid contact between supporting seat 14 and the valve body 1 to the life of extension valve body 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A two-way electromagnetic valve is characterized by comprising a valve body (1) and a fixing seat (2), wherein a supporting rod (3) is fixedly connected to the position, close to the left side, of the outer surface of the lower end of the valve body (1), a first movable groove (4) is formed in the outer surface of the upper end of the fixing seat (2), a second movable groove (7) is formed in the outer surface of the lower end of the first movable groove (4), the bottom end of the supporting rod (3) penetrates through the first movable groove (4) and extends into the second movable groove (7), a limiting ring (5) is fixedly connected to the position, close to the bottom end, of the annular outer surface of the supporting rod (3), a pressure spring (6) is arranged on the outer surface of the lower end of the limiting ring (5), an extrusion plate (8) is fixedly connected to the outer surface of the lower end of the supporting rod (3), a first air bag (9) is arranged inside the second movable groove (7), and a third movable groove (11) is formed in the center position of the outer surface of the upper end of the fixing seat (2), the internal surface bottom of activity groove three (11) is provided with gasbag two (12), the inside of activity groove three (11) is provided with fly leaf (13), gasbag one (9) and gasbag two (12) communicate each other, the upper end surface fixed connection of fly leaf (13) has supporting seat (14), supporting seat (14) are the arc structure and with the mutual sliding fit contact of the lower extreme surface of valve body (1), the upper end surface of supporting seat (14) is provided with rubber buffer.
2. The two-way electromagnetic valve according to claim 1, wherein the diameter of the second movable groove (7) is smaller than that of the first movable groove (4), the annular outer surface of the limiting ring (5) is attached to the inner surface of the first movable groove (4), the annular outer surface of the extrusion plate (8) is attached to the inner surface of the second movable groove (7), and a rubber pad is arranged on the outer surface of the lower end of the extrusion plate (8).
3. The two-way solenoid valve according to claim 2, wherein a supporting and positioning device (15) is arranged between the right end side wall of the supporting rod (3) and the movable plate (13), and the supporting and positioning device (15) comprises a first rack (151), a rotating gear (152), a supporting seat (153), a second rack (154) and a fixed rod (155); the fixed right side wall position that sets up in bracing piece (3) of first rack (151), rotating gear (152) rotate the meshing through supporting seat (153) on the right side of first rack (151), and the bottom mounting of supporting seat (153) sets up the upper surface at unable adjustment base (2), second rack (154) set up on the lateral wall of fly leaf (13) through dead lever (155), and second rack (154) and rotating gear (152) intermeshing transmission.
4. A two-way solenoid valve according to claim 3, characterised in that a gear locking mechanism (16) is provided directly below said rotary gear (152); the gear locking mechanism (16) comprises a sliding cylinder (161), a sliding guide rod (162), a positioning locking block (163) and a soft guide pipe (164); sliding barrel (161) fixed mounting is in the upper surface inside of unable adjustment base (2), and sliding barrel (161) internal seal slip is provided with slide guide (162), and inside the bottom of slide guide (162) was connected to the bottom of sliding barrel (161) through pressure spring (6), the fixed location locking piece (163) that is provided with in top of slide guide (162), and the top of location locking piece (163) slides and pegs graft between two adjacent teeth of rotating gear (152), guide way (31) have been seted up to the inside of bracing piece (3), and the top of guide way (31) and the inside intercommunication of valve body (1), and the bottom of guide way (31) communicates the top of sliding barrel (161) through soft pipe (164).
5. The two-way electromagnetic valve according to claim 4, characterized in that the outer surface of the lower end of the second movable groove (7) is provided with an air transmission cavity (10), and the other end of the air transmission cavity (10) is positioned at the bottom end of the third movable groove (11); the first air bag (9) and the second air bag (12) are communicated with each other through an air conveying cavity (10), and an air guide sealing mechanism (17) is arranged in the air conveying cavity (10).
6. A two-way electromagnetic valve according to claim 5, characterised in that the air guide sealing mechanism (17) comprises a sealing guide plate (171) and a support bar (172); the position department of gas transmission chamber (10) is crossed and is vertically seted up seal groove (21), and seal groove (21) communicates the bottom of sliding tube (161), the inside slip of seal groove (21) is provided with sealed baffle (171), and the upper end of sealed baffle (171) is fixed and is provided with support bar (172), the top of support bar (172) slides and passes sliding tube (161) and be connected to the bottom of sliding guide (162).
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| CN202110920051.6A CN113685482B (en) | 2021-08-11 | 2021-08-11 | Two-way electromagnetic valve |
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| CN202110920051.6A CN113685482B (en) | 2021-08-11 | 2021-08-11 | Two-way electromagnetic valve |
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Citations (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004053346A1 (en) * | 2002-12-06 | 2004-06-24 | Mars-Microgravity Advanced Research And User Support Center S.R.L. | Liquid pocket bumper for bearings |
| US20050016086A1 (en) * | 2003-02-05 | 2005-01-27 | Yoshinori Matsunaga | Attenuation coefficient switching type hydraulic damper |
| US20130025393A1 (en) * | 2011-07-26 | 2013-01-31 | Hyundai Mobis Co., Ltd. | Double rack gear structure for supporting pop-up monitor |
| JP2013057348A (en) * | 2011-09-07 | 2013-03-28 | Isuzu Motors Ltd | Anti-vibration support device, vehicle including the same, and method for reducing vehicle vibration |
| US20150293553A1 (en) * | 2014-04-11 | 2015-10-15 | Nisca Corporation | Operation handle mechanism and load support mechanism |
| US20160059820A1 (en) * | 2013-04-25 | 2016-03-03 | Robert Bosch Gmbh | Valve for a cold gas generator and airbag system |
| CN208169424U (en) * | 2018-05-23 | 2018-11-30 | 庄志坚 | A kind of automobile-used preposition damping device of motor |
| CN109210123A (en) * | 2018-09-14 | 2019-01-15 | 姚森 | A kind of firm support base of textile machine |
| CN110454585A (en) * | 2019-07-22 | 2019-11-15 | 贝斯格实业股份有限公司 | A kind of sealing structure of floating ball valve |
| CN209725083U (en) * | 2018-12-30 | 2019-12-03 | 珠海市广源信科技有限公司 | Regulation silencing shock-reduction device on a kind of solenoid valve |
| JP2020020466A (en) * | 2018-07-23 | 2020-02-06 | 株式会社Ｎｔｔファシリティーズ | Vibration control damper and vibration control device |
| CN210978348U (en) * | 2019-09-04 | 2020-07-10 | 十堰市太和医院 | Novel shock attenuation machinery device |
| CN211779044U (en) * | 2020-02-17 | 2020-10-27 | 天津恒远阀门有限公司 | Regulator for producing common valve |
| CN211875511U (en) * | 2020-03-02 | 2020-11-06 | 江苏宜安建设有限公司 | House ventilation electromechanical device installation device with shock attenuation effect |
| CN111998035A (en) * | 2020-08-27 | 2020-11-27 | 江苏航迅飞信息科技有限公司 | Mounting support for power generation equipment |
| CN212028887U (en) * | 2020-03-13 | 2020-11-27 | 徐州云创物业服务有限公司 | Two-way circulation control solenoid valve |
| CN112113022A (en) * | 2020-09-28 | 2020-12-22 | 秦宇 | Two-way electromagnetic valve |
| CN212371088U (en) * | 2020-05-27 | 2021-01-19 | 新昌县创丰机械有限公司 | Forging device for bearing forging |
| CN212377195U (en) * | 2020-03-25 | 2021-01-19 | 上海流创环保科技有限公司 | Damping device for mechanical equipment transportation |
| CN112268186A (en) * | 2020-11-12 | 2021-01-26 | 株洲精工硬质合金有限公司 | Electromechanical product shock attenuation installation device |
| CN112664605A (en) * | 2020-11-30 | 2021-04-16 | 陕西威斯特高新技术投资有限公司 | Industrial automation equipment mounting frame convenient to maintain and good in stability |
| CN213270850U (en) * | 2020-09-15 | 2021-05-25 | 深圳市康视达电子有限公司 | Damping mechanism of vehicle-mounted liquid crystal display television |
| CN213394325U (en) * | 2020-10-21 | 2021-06-08 | 长安大学 | Supporting base for mechanical equipment |
| CN213381458U (en) * | 2020-10-19 | 2021-06-08 | 山西环冠重工集团有限公司 | Flange forging placer with damping function |
| CN213576389U (en) * | 2020-10-16 | 2021-06-29 | 浙江明一化工机械有限公司 | Tower top condenser shock attenuation fixed bolster |
| CN213808634U (en) * | 2020-11-27 | 2021-07-27 | 陕西航天长缨量子科技有限公司 | Shockproof instrument and meter device |
-
2021
- 2021-08-11 CN CN202110920051.6A patent/CN113685482B/en active Active
Patent Citations (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004053346A1 (en) * | 2002-12-06 | 2004-06-24 | Mars-Microgravity Advanced Research And User Support Center S.R.L. | Liquid pocket bumper for bearings |
| US20050016086A1 (en) * | 2003-02-05 | 2005-01-27 | Yoshinori Matsunaga | Attenuation coefficient switching type hydraulic damper |
| US20130025393A1 (en) * | 2011-07-26 | 2013-01-31 | Hyundai Mobis Co., Ltd. | Double rack gear structure for supporting pop-up monitor |
| JP2013057348A (en) * | 2011-09-07 | 2013-03-28 | Isuzu Motors Ltd | Anti-vibration support device, vehicle including the same, and method for reducing vehicle vibration |
| US20160059820A1 (en) * | 2013-04-25 | 2016-03-03 | Robert Bosch Gmbh | Valve for a cold gas generator and airbag system |
| US20150293553A1 (en) * | 2014-04-11 | 2015-10-15 | Nisca Corporation | Operation handle mechanism and load support mechanism |
| CN208169424U (en) * | 2018-05-23 | 2018-11-30 | 庄志坚 | A kind of automobile-used preposition damping device of motor |
| JP2020020466A (en) * | 2018-07-23 | 2020-02-06 | 株式会社Ｎｔｔファシリティーズ | Vibration control damper and vibration control device |
| CN109210123A (en) * | 2018-09-14 | 2019-01-15 | 姚森 | A kind of firm support base of textile machine |
| CN209725083U (en) * | 2018-12-30 | 2019-12-03 | 珠海市广源信科技有限公司 | Regulation silencing shock-reduction device on a kind of solenoid valve |
| CN110454585A (en) * | 2019-07-22 | 2019-11-15 | 贝斯格实业股份有限公司 | A kind of sealing structure of floating ball valve |
| CN210978348U (en) * | 2019-09-04 | 2020-07-10 | 十堰市太和医院 | Novel shock attenuation machinery device |
| CN211779044U (en) * | 2020-02-17 | 2020-10-27 | 天津恒远阀门有限公司 | Regulator for producing common valve |
| CN211875511U (en) * | 2020-03-02 | 2020-11-06 | 江苏宜安建设有限公司 | House ventilation electromechanical device installation device with shock attenuation effect |
| CN212028887U (en) * | 2020-03-13 | 2020-11-27 | 徐州云创物业服务有限公司 | Two-way circulation control solenoid valve |
| CN212377195U (en) * | 2020-03-25 | 2021-01-19 | 上海流创环保科技有限公司 | Damping device for mechanical equipment transportation |
| CN212371088U (en) * | 2020-05-27 | 2021-01-19 | 新昌县创丰机械有限公司 | Forging device for bearing forging |
| CN111998035A (en) * | 2020-08-27 | 2020-11-27 | 江苏航迅飞信息科技有限公司 | Mounting support for power generation equipment |
| CN213270850U (en) * | 2020-09-15 | 2021-05-25 | 深圳市康视达电子有限公司 | Damping mechanism of vehicle-mounted liquid crystal display television |
| CN112113022A (en) * | 2020-09-28 | 2020-12-22 | 秦宇 | Two-way electromagnetic valve |
| CN213576389U (en) * | 2020-10-16 | 2021-06-29 | 浙江明一化工机械有限公司 | Tower top condenser shock attenuation fixed bolster |
| CN213381458U (en) * | 2020-10-19 | 2021-06-08 | 山西环冠重工集团有限公司 | Flange forging placer with damping function |
| CN213394325U (en) * | 2020-10-21 | 2021-06-08 | 长安大学 | Supporting base for mechanical equipment |
| CN112268186A (en) * | 2020-11-12 | 2021-01-26 | 株洲精工硬质合金有限公司 | Electromechanical product shock attenuation installation device |
| CN213808634U (en) * | 2020-11-27 | 2021-07-27 | 陕西航天长缨量子科技有限公司 | Shockproof instrument and meter device |
| CN112664605A (en) * | 2020-11-30 | 2021-04-16 | 陕西威斯特高新技术投资有限公司 | Industrial automation equipment mounting frame convenient to maintain and good in stability |
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| CN113685482B (en) | 2022-11-25 |
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Effective date of registration: 20221108 Address after: 315500 No.1 Xingjia Road, Xikou Town, Fenghua District, Ningbo City, Zhejiang Province Applicant after: NINGBO JIAERLING PNEUMATIC MACHINERY Co.,Ltd. Address before: 242300 Room 102, building 4, Huatai community, No. 28, Zhongxi North Road, Ningguo City, Xuancheng City, Anhui Province Applicant before: Dong Tongyi |
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