CN116928381A - Zero-leakage wear-resistant biological sealing valve - Google Patents
Zero-leakage wear-resistant biological sealing valve Download PDFInfo
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- CN116928381A CN116928381A CN202311199852.3A CN202311199852A CN116928381A CN 116928381 A CN116928381 A CN 116928381A CN 202311199852 A CN202311199852 A CN 202311199852A CN 116928381 A CN116928381 A CN 116928381A
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- valve
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- sliding
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- 238000007789 sealing Methods 0.000 title abstract description 30
- 238000005299 abrasion Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 59
- 238000001514 detection method Methods 0.000 claims description 17
- 230000008713 feedback mechanism Effects 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 8
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 4
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 4
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 4
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 4
- 239000001099 ammonium carbonate Substances 0.000 claims description 4
- 230000006378 damage Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 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
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
-
- 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
- F16K27/0236—Diaphragm cut-off apparatus
-
- 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
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
-
- 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
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- 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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
-
- 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
-
- 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
-
- 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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
Abstract
The application provides a zero-leakage abrasion-resistant biological closed valve applied to the field of biological closed valves, and when the valve is used, an elastic magnetic plate is linked with a movable part of a spindle bag to be concave inwards through the mutual matching between a valve core and a pipe sleeve, and an air channel is formed in a valve chamber, so that the valve core is in an open state; the flow of the air channel can be changed through the magnetic force of the electromagnetic coil, and when the magnetic force of the electromagnetic coil is regulated to the maximum extent, the valve core is in a closed state; compared with the traditional biological closed valve, the application omits the traditional actuating rod and the valve plate, namely, the input end and the output end are removed from the valve body, no additional through holes are formed, unnecessary leakage gaps are avoided, the biological safety is higher, the sealing structure adopts a flexible extrusion mode, compared with the traditional valve plate rotating friction mode, the friction loss of the sealing component is lower, the wear resistance is realized, and the service life of the sealing component is effectively prolonged.
Description
Technical Field
The application relates to the field of biological closed valves, in particular to a zero-leakage wear-resistant biological closed valve.
Background
Biological containment valves are commonly used for bag in and bag out filter sterilization and closure of biological laboratory ventilation plumbing to facilitate room sterilization. Most of the biological airtight valves used in the current market are sealed once, meanwhile, the valve plate is simple in structure and easy to deform during use, meanwhile, the sealing assembly of the valve plate is in sliding friction with the opening and closing of the valve plate, the service life is lower, the valve plate is driven by an actuating rod, the traditional actuating rod penetrates through the valve chamber from the outer wall of the valve body to generate redundant through holes, the rotating part of the actuating rod is required to be sealed by the additional sealing assembly, the structure is complex, the maintenance cost is high, the sealing effect of the valve body is affected, and the practicability is poor.
Moreover, existing bio-sealing valves are difficult to discover in time when the valve plate is deformed or has poor tightness, and cannot be discovered until the valve plate leaks to a certain extent, which is a great risk for some biological studies, especially for some biological studies that are toxic or do not allow leakage. Because people have difficulty in controlling the service life of the valve plate and grasping the service life of the biological valve, the service life of the biological valve is seriously influenced.
To this end we propose a zero leakage abrasion resistant bio-containment valve to solve the above problems.
Disclosure of Invention
The application aims to solve the problems of easy abrasion, low service life, high maintenance cost, no leakage self-plugging function, low biosafety and the like of the traditional biosensing valve sealing component;
an elastic magnetic plate is fixed between two adjacent groups of installation nodes, a movable part matched with the elastic magnetic plate is arranged on the spindle bag, a valve seat corresponding to the movable part is arranged in the valve chamber, an electromagnetic ring corresponding to the elastic magnetic plate is arranged on the inner wall of the valve body, and the electromagnetic ring has magnetic attraction to the elastic magnetic plate under the energizing condition.
Further, the inner side of the pipe sleeve is rotationally connected with a plugging mechanism, two ends of the plugging mechanism are respectively fixedly provided with a rotary pipe, a sliding pipe which is in sliding connection along the axial direction of the rotary pipe and the pipe sleeve is arranged between the rotary pipe and the pipe sleeve, the axial end part of the spindle bag is in sealing connection with the end part of the sliding pipe, a first tensioning spring is clamped between the sliding pipe and the rotary pipe, the outer wall of the rotary pipe is provided with a spiral groove, the inner wall of the sliding pipe is provided with balls matched with the spiral groove, the outer wall of the sliding pipe is provided with four groups of first sliding grooves which are uniformly arranged at equal angles, and the inner wall of the pipe sleeve is provided with first sliding rails corresponding to the first sliding grooves;
the plugging mechanism is also provided with a reset mechanism for driving the rotary pipe to rotate, a locking mechanism for limiting the rotary pipe to rotate and a feedback mechanism for controlling the locking mechanism to be opened and closed.
Further, the reset mechanism comprises a driving motor fixed in the plugging mechanism, a driving gear is fixed at the output end of the driving motor, the whole plugging mechanism is of a cylindrical structure, and a plurality of reset rollers are connected with the circumference of the plugging mechanism in equal-angle equipartition rotation; the reset roller is abutted against the inner wall of the pipe sleeve, and the middle part of the reset roller is provided with a driven tooth slot meshed with the driving gear.
Further, the locking mechanism comprises two groups of ratchet discs which are symmetrical and are connected in a sliding manner along the axial direction of the plugging mechanism, a second tensioning spring is clamped between the ratchet discs and the plugging mechanism, and a pawl disc matched with the ratchet discs is arranged on the inner wall of the pipe sleeve; the pawl disc is of an electromagnet structure, the ratchet disc is of a permanent magnet structure, the ratchet disc is connected to the plugging mechanism in a sliding manner through a second sliding groove, and the pawl disc has magnetic repulsive force on the ratchet disc under the electrifying condition and is larger than the elastic force of a second tensioning spring.
Further, the plugging mechanism is rotationally connected in the pipe sleeve through a conductive slip ring, the conductive slip ring provides power input for the driving motor and the pawl disc, and the conductive slip ring is externally connected with the control unit through a lead.
Further, the feedback mechanism comprises a detection groove arranged in the valve seat, the detection groove is of a groove body structure with a U-shaped section, a feedback bag is arranged in the detection groove and is glued to one side of the groove wall of the detection groove, a pressure sensor is arranged in the feedback bag, standard air pressure is filled in the feedback bag, and the pressure sensor provides feedback signals for the control unit.
Further, the first tensioning spring is of a high-strength anti-fatigue spring structure and has elastic force for driving the sliding tube to be close to the rotating tube.
Further, one ends of the two groups of sliding pipes, which are far away from each other, are detachably connected with a flow guide end cover through a thread structure, two groups of consumption pipes are detachably connected in the flow guide end cover, aluminum sulfate and ammonium bicarbonate are respectively filled in the two groups of consumption pipes, the consumption pipes are of a glass pipe structure, and a destruction cone is fixed on the inner wall of one end of the rotating pipe, which is opposite to the sliding pipe.
Further, the diameters of the two ends of the valve chamber are smaller than the diameter of the middle part, and the two ends of the valve chamber are provided with plugging grooves.
Further, the top of valve body still is equipped with hand dish and actuating lever, and the top of actuating lever passes through the gear train and is connected with the hand dish, and the bottom of actuating lever passes through the gear train and is connected with the electromagnetic ring transmission, and the electromagnetic ring rotates to be connected in the valve body, is equipped with four groups of equiangular equipartitions the electromagnetic part that sets up on the electromagnetic ring, has clamped permanent magnetism portion between adjacent electromagnetic part.
Compared with the prior art, the application has the advantages that:
(1) According to the application, through the mutual matching of the valve core with the fixed part, the movable part and the spindle bag and the pipe sleeve with the elastic magnetic plate, in the actual use process, the elastic magnetic plate keeps concave by utilizing the elasticity of the elastic magnetic plate, the movable part of the linkage spindle bag is concave, an air channel is formed in the valve chamber, and the valve core is in an open state; the flow of the air channel can be changed through the magnetic force of the electromagnetic coil, namely the concave degree of the elastic magnetic plate is changed, when the magnetic force of the electromagnetic coil is regulated to the maximum degree, the elastic magnetic plate is completely protruded outwards, the movable part of the spindle bag is clamped between the elastic magnetic plate and the valve seat, and the movable part and the sealing bulge on the valve seat are used for extrusion to form air tightness, so that the valve core is in a closed state;
(2) Compared with the traditional biological closed valve, the application omits the traditional actuating rod and the valve plate, namely, the input end and the output end are removed from the valve body, no additional through holes are formed, unnecessary leakage gaps are avoided, the biological safety is higher, the sealing structure adopts a flexible extrusion mode, compared with the traditional valve plate rotating friction mode, the friction loss of the sealing component is lower, the wear resistance is realized, and the service life of the sealing component is effectively prolonged.
(3) When the feedback mechanism detects that leakage occurs at the valve seat, the locking mechanism is controlled to be opened, the rotary pipe is enabled to be in a free rotation shape relative to the pipe sleeve, the sliding pipe is enabled to be close to the rotary pipe under the reset tension of the first tensioning spring, and then the two ends of the spindle bag are pulled up.
(4) When an emergency occurs, such as paralysis of a power supply system, when the valve body is not powered in, the hand disk can be manually rotated, the electromagnetic coil is driven to rotate by the driving rod and the gear set, so that the electromagnetic part losing power in deviates from the elastic magnetic plate, the permanent magnetic part is ensured to be opposite to the elastic magnetic plate, the permanent magnetic part is utilized to continuously adsorb the elastic magnetic plate, the tightness and the executable performance of the valve body under the emergency are maintained, and the biological isolation safety is further improved.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a schematic diagram of the front structure of the present application;
FIG. 3 is a schematic view of the internal structure of the valve body according to the present application;
FIG. 4 is a schematic structural view of a valve element according to the present application;
FIG. 5 is a schematic view of the pipe sleeve and its components according to the present application;
FIG. 6 is a schematic view of a transverse cross-sectional structure of the present application;
FIG. 7 is a schematic diagram showing the state of the elastic magnetic plate according to the present application when it is bent and tensioned;
FIG. 8 is a schematic cross-sectional view of a valve cartridge according to the present application;
FIG. 9 is an enlarged schematic view of the portion A in FIG. 8;
FIG. 10 is a schematic view of a flow end cap and a consumable tube according to the present application;
FIG. 11 is a schematic view of a part of the plugging mechanism according to the present application;
FIG. 12 is a schematic view of a ratchet disc according to the present application;
FIG. 13 is a schematic view of a longitudinal cross-sectional structure of the present application;
fig. 14 is a schematic view showing a state in which the movable portion is sealed against the valve seat;
FIG. 15 is a schematic view showing a state in which leakage occurs in the valve seat phase proposed in the present application;
fig. 16 is a schematic view of a hand disk according to the present application.
The reference numerals in the figures illustrate:
the valve body 1, the connection flange 11, the valve housing 12, the fixing groove 121, the valve seat 122, the solenoid 13, the solenoid portion 131, the permanent magnet portion 132, the detection groove 14, the blocking groove 15, the hand disk 3, the drive lever 31, the valve body 4, the spindle bag 41, the fixing portion 411, the movable portion 412, the diversion end cap 42, the consumable pipe 421, the sliding pipe 43, the first slide groove 431, the ball 432, the first tension spring 44, the pipe sleeve 5, the first slide rail 501, the conductive slip ring 502, the click disk 503, the support frame 51, the mounting node 52, the elastic magnetic plate 521, the blocking mechanism 6, the rotation pipe 61, the breaking cone 611, the spiral groove 612, the drive motor 62, the drive gear 621, the reset roller 63, the driven tooth groove 631, the ratchet disk 7, the second slide groove 701, the second tension spring 71, the feedback bag 8, and the pressure sensor 81.
Detailed Description
The embodiments of the present application will be described in detail and fully with reference to the accompanying drawings, and it is intended that all other embodiments of the application, which are apparent to one skilled in the art without the inventive faculty, are included in the scope of the present application.
Example 1:
the application relates to a zero-leakage abrasion-resistant biological closed valve which is mainly applied to the technical problems of large abrasion loss of the sealing structure of the existing biological closed valve, complex execution mechanism and additional maintenance cost and leakage risk, and is shown in fig. 1-7, wherein fig. 1 is a structural schematic diagram of the application, and comprises a valve body 1 and connecting flanges 11 fixed at two ends of the valve body 1, a through valve chamber 12 is arranged in the valve body 1, a valve core 4 is arranged in the valve chamber 12, the valve core 4 comprises a pipe sleeve 5 and a spindle bag 41 sleeved outside the pipe sleeve 5, a closed space is arranged between the spindle bag 41 and the pipe sleeve 5, four groups of support frames 51 are uniformly distributed and fixed at equal angles in the middle part of the pipe sleeve 5, a fixing part 411 matched with the support frames 51 is arranged in the middle part of the spindle bag 41, four groups of fixing grooves 121 are uniformly distributed and uniformly arranged in the valve chamber 12, the top ends of the support frames 51 are fixedly provided with mounting nodes 52, the fixing parts 411 of the spindle bag 41 are hermetically assembled at the fixing grooves 121 through the mounting nodes 52, and the pipe sleeve 5 is coaxially and fixedly arranged with the valve body 1 through the support frames 51;
in fig. 2-5, an elastic magnetic plate 521 is fixed between two adjacent groups of mounting nodes 52, a movable portion 412 matching with the elastic magnetic plate 521 is provided on the spindle bag 41, a valve seat 122 corresponding to the movable portion 412 is provided in the valve chamber 12, the movable portion 412 is fixedly bonded with the elastic magnetic plate 521, in order to improve the service life of the spindle bag 41, the movable portion 412 of the spindle bag 41 is thickened, in order to improve the air tightness when the movable portion 412 is aligned with the valve seat 122, a plurality of sealing protrusions are provided on opposite sides of the movable portion 412 and the valve seat 122, an electromagnetic ring 13 corresponding to the elastic magnetic plate 521 is provided on the inner wall of the valve body 1, and the electromagnetic ring 13 has magnetic attraction to the elastic magnetic plate 521 under the energizing condition.
According to the application, through the mutual matching between the valve core 4 with the fixed part 411, the movable part 412 and the spindle bag 41 and the pipe sleeve 5 with the elastic magnetic plate 521, in the actual use process, the elastic magnetic plate 521 keeps concave by utilizing the elasticity of the elastic magnetic plate 521, the movable part 412 of the linkage spindle bag 41 is concave, an air channel is formed in the valve chamber 12, and the valve core 4 is in an open state;
the flow of the air channel can be changed by the magnetic force of the electromagnetic coil 13, namely, the concave degree of the elastic magnetic plate 521 is changed to change the flow of the air channel, when the magnetic force of the electromagnetic coil 13 is adjusted to the maximum degree, the elastic magnetic plate 521 is completely protruded outwards, the movable part 412 of the spindle bag 41 is clamped between the elastic magnetic plate 521 and the valve seat 122, and the sealing bulges on the movable part 412 and the valve seat 122 are utilized to squeeze to form air tightness, so that the valve core 4 is in a closed state;
compared with the traditional biological closed valve, the application omits the traditional actuating rod and the valve plate, namely, the input end and the output end are removed from the valve body 1, no additional through holes are formed, unnecessary leakage gaps are avoided, the biological safety is higher, wherein the sealing structure adopts a flexible extrusion mode, compared with the traditional valve plate rotating friction mode, the friction loss of the sealing component is lower, the abrasion resistance is realized, and the service life of the sealing component is effectively prolonged.
Example 2:
the present application provides a zero leakage abrasion-resistant bio-sealing valve, please refer to fig. 1-15, wherein the same or corresponding components as in embodiment 1 are designated with the same reference numerals as in embodiment 1, and only the differences from embodiment 1 are described below for the sake of brevity:
referring to fig. 8-11, in this embodiment, a plugging mechanism 6 is rotatably connected to the inner side of the pipe sleeve 5, the plugging mechanism 6 is used for secondarily plugging the valve body 1 when the spindle bag 41 leaks, so as to avoid the continuous occurrence of leakage hazard, both ends of the plugging mechanism 6 are fixed with a rotating pipe 61, a sliding pipe 43 slidingly connected along the axial direction of the rotating pipe 61 and the pipe sleeve 5 is arranged between the rotating pipe 61 and the rotating pipe 61, the axial end of the spindle bag 41 is hermetically connected with the end of the sliding pipe 43, a first tensioning spring 44 is clamped between the sliding pipe 43 and the rotating pipe 61, the first tensioning spring 44 is a high-strength anti-fatigue spring for prolonging the service life of the first tensioning spring 44, the first tensioning spring 44 has an elastic force for driving the sliding pipe 43 to approach the rotating pipe 61, the outer wall of the rotating pipe 61 is provided with a spiral groove 612, the inner wall of the sliding pipe 43 is provided with balls 432 matched with the spiral groove 612, the outer wall of the sliding pipe 43 is provided with four groups of first sliding grooves 431 equally arranged, and the inner wall of the pipe 5 is provided with first sliding rails corresponding to the first sliding grooves 431; the plugging mechanism 6 is also provided with a reset mechanism for driving the rotary pipe 61 to rotate, a locking mechanism for limiting the rotary pipe 61 to rotate and a feedback mechanism for controlling the locking mechanism to be opened and closed.
When the feedback mechanism detects that leakage occurs at the valve seat 122, the locking mechanism is controlled to be opened, the rotary tube 61 is further enabled to be in a free rotation shape relative to the tube sleeve 5, the sliding tube 43 is enabled to be close to the rotary tube 61 under the reset tension of the first tensioning spring 44, two ends of the spindle bag 41 are pulled to be close, the length of the spindle bag 41 in the axial direction is reduced, internal gas is extruded to expand, the expansion part of the spindle bag 41 can be used for extrusion with the valve chamber 12 to form secondary sealing, the diameters of two ends of the valve chamber 12 are smaller than the diameters of the middle part, and the two ends of the valve chamber 12 are provided with plugging grooves 15.
Referring to fig. 8-9, the reset mechanism includes a driving motor 62 fixed in the plugging mechanism 6, a driving gear 621 is fixed at an output end of the driving motor 62, the plugging mechanism 6 is in a cylindrical structure, and a plurality of reset rollers 63 are connected to the outer side of the circumference of the plugging mechanism 6 in equal-angle equally dividing rotation; the reset roller 63 is abutted against the inner wall of the pipe sleeve 5, and driven tooth grooves 631 meshed with the driving gear 621 are formed in the middle of the reset roller 63.
When the leakage fault at the valve seat 122 is eliminated, the driving motor 62 is started, the driving gear 621 is meshed with the driven tooth groove 631 to drive the reset roller 63 to rotate, so as to drive the plugging mechanism 6 and the rotating tube 61 to rotate synchronously, and in the rotating process of the rotating tube 61, the spiral groove 612 at the outer side of the sealing mechanism is matched with the ball 432 at the outer side of the sliding tube 43, so that the sliding tube 43 overcomes the tension of the first tension spring 44 to perform the translation motion away from the rotating tube 61, and when the sliding tube 43 is displaced in place, the locking mechanism limits the rotation of the rotating tube 61, so that the displacement position of the sliding tube 43 is maintained, and the reset motion is completed.
Referring to fig. 9-12, further, the locking mechanism includes two sets of symmetrical ratchet discs 7 slidably connected along the axial direction of the plugging mechanism 6, a second tensioning spring 71 is clamped between the ratchet discs 7 and the plugging mechanism 6, and a pawl disc 503 matched with the ratchet discs 7 is arranged on the inner wall of the pipe sleeve 5; the pawl disc 503 is of an electromagnet structure, the ratchet disc 7 is of a permanent magnet structure, the pawl disc 7 is slidably connected to the plugging mechanism 6 through the second chute 701, the pawl disc 503 has magnetic repulsion force on the ratchet disc 7 under the energizing condition, the magnetic repulsion force is larger than the elastic force of the second tensioning spring 71, the plugging mechanism 6 is rotationally connected in the pipe sleeve 5 through the conductive slip ring 502, the conductive slip ring 502 provides power input for the driving motor 62 and the pawl disc 503, and the conductive slip ring 502 is externally connected with a control unit through a wire.
The locking mechanism is matched with the pawl disc 503 through the ratchet disc 7 with the second tensioning spring 71, when the second tensioning spring 71 is in a free state, the ratchet disc 7 is driven to translate by utilizing self elasticity and is close to the pawl disc 503, so that the plugging mechanism 6 has unidirectional rotation, namely, the plugging mechanism 6 can freely rotate when the sliding tube 43 is driven to reset and move in a rotating mode, the reverse rotation is blocked, the automatic locking action is completed, when the locking state of the locking mechanism needs to be released, the pawl disc 503 is electrified, magnetic repulsion force is generated on the ratchet disc 7, at the moment, the ratchet disc 7 overcomes the elasticity of the second tensioning spring 71 to displace, at the moment, the plugging mechanism 6 and the rotating tube 61 are in a free rotation state, and under the tension of the first tensioning spring 44, the sliding tube 43 can be driven to rapidly displace to carry out secondary plugging reaction.
Referring to fig. 13, the feedback mechanism includes a detection groove 14 disposed in a valve seat 122, the detection groove 14 has a groove body structure with a U-shaped cross section, a feedback bag 8 is disposed in the detection groove 14, the feedback bag 8 is glued on one side of a groove wall of the detection groove 14, a pressure sensor 81 is disposed in the feedback bag 8, standard air pressure is filled in the feedback bag 8, and the pressure sensor 81 provides a feedback signal for the control unit.
In this embodiment, the detection principle of the feedback mechanism is that when the movable portion 412 of the spindle bag 41 leaks from the pressing side of the valve seat 122, the pressure difference occurs at the position of the leakage in the detection groove 14, and the pressure sensor 81 detects the changed pressure value because the pressure difference causes the gas to enter the detection groove 14 from the leakage position (positive pressure leakage) or the gas in the detection groove 14 to be discharged from the leakage position (negative pressure leakage), so that the leakage information can be fed back to the control unit in time.
Referring to fig. 8 and 10, it should be noted that, in this embodiment, when the leakage occurs to perform the secondary plugging, in order to increase the expansion degree of the spindle bag 41, that is, the sealing pressure, the ends of the two sets of sliding tubes 43 far away from each other are detachably connected with the flow guiding end cover 42 through the screw structure, the flow guiding end cover 42 is detachably connected with two sets of consumable tubes 421, the two sets of consumable tubes 421 are respectively filled with aluminum sulfate and ammonium bicarbonate, the consumable tubes 421 are of glass tube structure, and the inner wall of the end of the rotating tube 61 opposite to the sliding tube 43 is fixed with a breaking cone 611.
When the sliding tube 43 approaches to the damage cone 611 by using the tension of the first tensioning spring 44, the consumption tube 421 is damaged by the extrusion of the damage cone 611, and a large amount of carbon dioxide gas is generated by the mixed reaction of aluminum sulfate and ammonium bicarbonate in the consumption tube 421, so that the spindle bag 41 is rapidly expanded, good sealing pressure is maintained, and the sealing tube is extruded with the sealing groove 15 to form an effective secondary sealing, so that the sealing property is improved, the used consumption tube 421 can be replaced in time by rotating the diversion end cover 42, and the maintenance convenience is effectively improved.
Example 3:
the present application provides a zero leakage abrasion-resistant bio-seal valve, please refer to fig. 1-16, wherein the same or corresponding components as in embodiment 1 are designated with the same reference numerals as in embodiment 1, and only the differences from embodiment 1 are described below for the sake of brevity:
referring to fig. 16, in the embodiment, a hand disk 3 and a driving rod 31 are further disposed at the top of the valve body 1, the top end of the driving rod 31 is connected with the hand disk 3 through a gear set, the bottom end of the driving rod 31 is connected with an electromagnetic coil 13 through a gear set in a transmission manner, the electromagnetic coil 13 is rotatably connected in the valve body 1, four groups of electromagnetic parts 131 equally-angularly and equally-distributed are disposed on the electromagnetic coil 13, and permanent magnetic parts 132 are clamped between adjacent electromagnetic parts 131.
In this embodiment, when an emergency situation occurs, such as a power supply system is disabled, and the valve body 1 is not powered on, the hand disk 3 can be manually turned, the driving rod 31 and the gear set are used to drive the electromagnetic coil 13 to rotate, so that the electromagnetic portion 131 losing power input deviates from the elastic magnetic plate 521, the permanent magnetic portion 132 faces the elastic magnetic plate 521, and the magnetic force of the permanent magnetic portion 132 is used to continuously adsorb the elastic magnetic plate 521, so as to maintain tightness and executable performance of the valve body 1 in the emergency situation, and further improve bioseparation safety.
The foregoing is merely illustrative of the best modes of carrying out the application in connection with the actual requirements, and the scope of the application is not limited thereto.
Claims (10)
1. The utility model provides a zero leakage stand wear and tear biological airtight valve, includes valve body (1) and fixed flange (11) at valve body (1) both ends, be equipped with valve chamber (12) that runs through in valve body (1), be equipped with case (4) in valve chamber (12), characterized in that, case (4) include pipe box (5) and cup joint spindle bag (41) in the pipe box (5) outside, be equipped with airtight space between spindle bag (41) and pipe box (5), equal angle equipartition is fixed with four sets of support frames (51) in pipe box (5) middle part, spindle bag (41) middle part is equipped with support frame (51) assorted fixed part (411), equal angle equipartition is equipped with four sets of fixed slots (121) in valve chamber (12), the top of support frame (51) all is fixed with mounting node (52), spindle bag (41) fixed part (411) are sealed through mounting node (52) and are assembled in fixed slot (121), pipe box (5) are fixed with valve body (1) coaxial through support frame (51);
an elastic magnetic plate (521) is fixed between two adjacent groups of mounting nodes (52), a movable part (412) matched with the elastic magnetic plate (521) is arranged on the spindle bag (41), a valve seat (122) corresponding to the movable part (412) is arranged in the valve chamber (12), and an electromagnetic coil (13) corresponding to the elastic magnetic plate (521) is arranged on the inner wall of the valve body (1).
2. The zero-leakage abrasion-resistant biological airtight valve according to claim 1, wherein the inner side of the pipe sleeve (5) is rotationally connected with a blocking mechanism (6), two ends of the blocking mechanism (6) are respectively fixed with a rotary pipe (61), a sliding pipe (43) which is slidingly connected along the axial direction of the rotary pipe (61) and the pipe sleeve (5) is arranged between the rotary pipe (61) and the pipe sleeve (5), the axial end part of the spindle bag (41) is in sealed connection with the end part of the sliding pipe (43), a first tensioning spring (44) is clamped between the sliding pipe (43) and the rotary pipe (61), a spiral groove (612) is arranged on the outer wall of the rotary pipe (61), balls (432) matched with the spiral groove (612) are arranged on the inner wall of the sliding pipe (43), four groups of first sliding grooves (431) which are equally distributed at equal angles are arranged on the outer wall of the sliding pipe (43), and a first sliding rail (501) corresponding to the first sliding grooves (431) is arranged on the inner wall of the pipe sleeve (5);
the plugging mechanism (6) is also provided with a reset mechanism for driving the rotary pipe (61) to rotate, a locking mechanism for limiting the rotary pipe (61) to rotate and a feedback mechanism for controlling the locking mechanism to be opened and closed.
3. The zero-leakage abrasion-resistant biological airtight valve according to claim 2, wherein the reset mechanism comprises a driving motor (62) fixed in a blocking mechanism (6), a driving gear (621) is fixed at the output end of the driving motor (62), the blocking mechanism (6) is of a cylindrical structure as a whole, and a plurality of reset rollers (63) are connected with equal-angle equally divided rotation on the outer side of the circumference of the blocking mechanism (6);
the reset roller (63) is in contact with the inner wall of the pipe sleeve (5), and driven tooth grooves (631) meshed with the driving gear (621) are formed in the middle of the reset roller (63).
4. A zero-leakage abrasion-resistant biological airtight valve according to claim 3, wherein the locking mechanism comprises two groups of symmetrical ratchet discs (7) which are connected in a sliding manner along the axial direction of the plugging mechanism (6), a second tensioning spring (71) is clamped between the ratchet discs (7) and the plugging mechanism (6), and a pawl disc (503) matched with the ratchet discs (7) is arranged on the inner wall of the pipe sleeve (5);
the pawl disc (503) is of an electromagnet structure, the ratchet disc (7) is of a permanent magnet structure, the ratchet disc (7) is slidably connected to the plugging mechanism (6) through a second chute (701), and the pawl disc (503) has magnetic repulsion force on the ratchet disc (7) under the electrifying condition and the magnetic repulsion force is larger than the elastic force of a second tensioning spring (71).
5. The zero-leakage abrasion-resistant biological airtight valve according to claim 4, wherein the blocking mechanism (6) is rotatably connected in the pipe sleeve (5) through a conductive slip ring (502), the conductive slip ring (502) provides power input for the driving motor (62) and the pawl disc (503), and the conductive slip ring (502) is externally connected with the control unit through a lead.
6. The zero-leakage abrasion-resistant biological airtight valve according to claim 5, wherein the feedback mechanism comprises a detection groove (14) arranged in a valve seat (122), the detection groove (14) is of a groove body structure with a U-shaped section, a feedback bag (8) is arranged in the detection groove (14), the feedback bag (8) is adhered to one side of a groove wall of the detection groove (14), a pressure sensor (81) is arranged in the feedback bag (8), standard air pressure is filled in the feedback bag (8), and the pressure sensor (81) provides a feedback signal for a control unit.
7. A zero leakage abrasion resistant bio-valve according to claim 2 wherein said first tension spring (44) has a spring force urging the sliding tube (43) closer to the rotating tube (61).
8. The zero-leakage abrasion-resistant biological airtight valve according to claim 7, wherein two groups of sliding pipes (43) are detachably connected with a diversion end cover (42) through a threaded structure at the end far away from each other, two groups of consumable pipes (421) are detachably connected in the diversion end cover (42), aluminum sulfate and ammonium bicarbonate are respectively filled in the two groups of consumable pipes (421), the consumable pipes (421) are of a glass pipe structure, and a destruction cone (611) is fixed on the inner wall of one end of the rotating pipe (61) opposite to the sliding pipe (43).
9. The zero-leakage abrasion-resistant biological closed valve according to claim 1, wherein the diameters of the two ends of the valve chamber (12) are smaller than the diameter of the middle part, and the two ends of the valve chamber (12) are provided with plugging grooves (15).
10. The zero-leakage wear-resistant biological airtight valve according to claim 1, wherein a hand disc (3) and a driving rod (31) are further arranged at the top of the valve body (1), the top end of the driving rod (31) is connected with the hand disc (3) through a gear set, the bottom end of the driving rod (31) is in transmission connection with an electromagnetic coil (13) through the gear set, the electromagnetic coil (13) is rotationally connected in the valve body (1), four groups of electromagnetic parts (131) which are uniformly distributed at equal angles are arranged on the electromagnetic coil (13), and permanent magnet parts (132) are clamped between the adjacent electromagnetic parts (131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311199852.3A CN116928381A (en) | 2023-09-18 | 2023-09-18 | Zero-leakage wear-resistant biological sealing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311199852.3A CN116928381A (en) | 2023-09-18 | 2023-09-18 | Zero-leakage wear-resistant biological sealing valve |
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| CN116928381A true CN116928381A (en) | 2023-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311199852.3A Pending CN116928381A (en) | 2023-09-18 | 2023-09-18 | Zero-leakage wear-resistant biological sealing valve |
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| CN113531177A (en) * | 2021-09-13 | 2021-10-22 | 南通众扬管业科技有限公司 | Valve structure without valve rod and resisting water hammer effect |
| CN214838566U (en) * | 2021-05-27 | 2021-11-23 | 惠州市正海机电自动化设备有限公司 | Air bag mounting assembly and rubber soft joint with built-in air bag |
| CN115451153A (en) * | 2022-10-08 | 2022-12-09 | 中国船舶科学研究中心 | Marine low-noise flexible composite material throttle valve and application system |
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2023
- 2023-09-18 CN CN202311199852.3A patent/CN116928381A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2118222U (en) * | 1992-03-14 | 1992-10-07 | 周其强 | Magnetic energy direct connection electromagnetic valve |
| JPH08312810A (en) * | 1995-05-18 | 1996-11-26 | Kubota Corp | Flow regulating valve |
| CN107202174A (en) * | 2017-07-13 | 2017-09-26 | 江苏艮德电力设备有限公司 | A kind of new double containment form dome valve |
| CN109340381A (en) * | 2018-11-07 | 2019-02-15 | 天津大学 | Multi-face sealing biological sealed valve |
| CN111853319A (en) * | 2020-07-03 | 2020-10-30 | 邱强生 | Capsule pipeline valve |
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| CN115451153A (en) * | 2022-10-08 | 2022-12-09 | 中国船舶科学研究中心 | Marine low-noise flexible composite material throttle valve and application system |
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