CN110566695B - Check valve control structure for injection pump - Google Patents
Check valve control structure for injection pump Download PDFInfo
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- CN110566695B CN110566695B CN201910830699.7A CN201910830699A CN110566695B CN 110566695 B CN110566695 B CN 110566695B CN 201910830699 A CN201910830699 A CN 201910830699A CN 110566695 B CN110566695 B CN 110566695B
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- fixedly connected
- threaded sleeve
- movably sleeved
- rod
- valve body
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- 238000002347 injection Methods 0.000 title claims abstract description 13
- 239000007924 injection Substances 0.000 title claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 13
- 230000004888 barrier function Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 11
- 238000000926 separation method Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
- B01D29/036—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting ring shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
- B01D29/54—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/48—Control
-
- 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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
- F16K15/026—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open
- F16K15/028—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open the valve member consisting only of a predominantly disc-shaped flat element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Water Supply & Treatment (AREA)
- Filtration Of Liquid (AREA)
- Check Valves (AREA)
Abstract
The invention relates to the technical field of one-way valves and discloses a one-way valve control structure for an injection pump, which comprises a valve body, a filtering device and a linkage rod, wherein a valve core is movably sleeved in an inner cavity of the valve body, the top and the bottom of the inner wall of the valve body are fixedly connected through a sealing annular plate, and an annular barrier rod is fixedly installed on the outer surface of the valve core. This a check valve control structure for jet pump, through drive gear, the trace, driven gear, the gag lever post, the trace, the linkage post, cooperation between first thread bush and the second thread bush, the user rotates horizontal pipe clockwise, then drive the gag lever post and break away from the inside of spacing groove, the restoring force through elastic compression part drives filter equipment and pops out from the transverse groove, thereby can effectively avoid the inside of filter equipment joint at the transverse groove, convenient to use person takes out filter equipment then, thereby reached the user and be convenient for carry out the effect of changing to filter equipment.
Description
Technical Field
The invention relates to the technical field of one-way valves, in particular to a one-way valve control structure for an injection pump.
Background
Self-priming jet pump is the pump body that an automatic absorption and spray, it is the water lift in the well in the low water level area of wide application, domestic water, because of the lift is high, the flow is big, still specially adapted water tower supplies water, the field irrigation, join in marriage overhead tank and pressure switch and can do automatic pump for, it is more convenient to use, to self-priming jet pump, need install the check valve and ensure from the function of inhaling, but before the pump starts, need fill water in the pump head, and the check valve is the hindrance of the in-process of watering, the existence of check valve not only makes the watering difficult, and hardly guarantee to fill, hinder the working effect of pump.
The simple one-way valve manual control structure disclosed in the Chinese patent application publication No. CN105422929A aims at the problem that the one-way valve of the traditional self-priming jet pump hinders the pump head from irrigating, the one-way valve can be opened by arranging a one-way valve button and a one-way valve spring to achieve the effect of smooth pump head irrigation, and the effect of pulling the one-way valve open is achieved by arranging a one-way valve pull rod, however, the simple one-way valve manual control structure has no ejection structure with good installation, a filtering device is arranged in the valve for a long time, when a filter screen is replaced, the filter screen can only be pried out by a tool, and the replacement of the filter screen is inconvenient for a user; this simple and easy check valve manual control structure's filter equipment does not have the good elasticity structure of installation, and the user of not being convenient for shakes off the impurity on the filter equipment, and this simple and easy check valve manual control structure's the structural case of installation good sealing device not, and sealed effect is relatively poor, when preventing the refluence, makes the shortcoming that the interior material of valve flows out easily, for this reason we propose a check valve control structure for jet pump.
Disclosure of Invention
The invention provides a check valve control structure for an injection pump, which has the advantages of facilitating the replacement of a filter device by a user, improving the efficiency of cleaning the filter device by the user and improving the sealing effect between a valve core and a sealing annular plate, and solves the problem that the simple check valve manual control structure has no ejection structure with good installation, the filter device is installed in the valve for a long time, and when a filter screen is replaced, the filter screen can be pried out only by a tool, so that the replacement of the filter screen is inconvenient for the user; this simple and easy check valve manual control structure's filter equipment does not have the good elasticity structure of installation, and the user of not being convenient for shakes off the impurity on the filter equipment, and this simple and easy check valve manual control structure's case does not have the good sealing device of installation, and sealed effect is relatively poor, when preventing the refluence, makes the problem that the interior material of valve flows out easily.
In order to achieve the above purpose, the invention provides the following technical scheme to realize: the utility model provides a check valve control structure for jet pump, includes valve body, filter equipment and trace, the case has been cup jointed in the inner chamber activity of valve body, sealed annular slab fixed connection is passed through to the top and the bottom of valve body inner wall, the surface mounting of case has annular separation pole, the annular separation groove with annular separation pole looks adaptation is seted up in the left side of sealed annular slab, the right side of annular separation pole cup joints with the inside seal in annular separation groove, the left side of valve body inner wall is through the left side fixed connection of elastic expansion part with the case, the transverse groove has been seted up on the right side of valve body, the connecting block has been cup jointed in the inside activity of transverse groove.
The left side of filter equipment runs through the valve body and extends to the inside of transverse groove, filter equipment's left side and the right side looks joint of connecting block, filter equipment is including the connecting plate, the left top fixed mounting of connecting plate has the joint board, the left side of joint board and the right side looks joint of connecting block, the first ring filter of arc pole fixedly connected with is passed through at the left middle part of connecting plate, the inside activity of connecting plate has cup jointed the second annular and has filtered, the right side fixed connection of telescoping device and first ring filter is passed through in the filterable left side of second annular, the spacing groove has been seted up at the top of joint board.
The outer surface of the linkage rod is movably sleeved with the top of the valve body through a fixed column, a first threaded sleeve and a second threaded sleeve are respectively arranged on the outer surface of the linkage rod, the bottoms of the first threaded sleeve and the second threaded sleeve are movably connected with a linkage plate through a linkage column, a limiting rod is fixedly connected to the bottom of the linkage plate, the bottom end of the limiting rod penetrates through the valve body and extends to the inside of the limiting groove, the bottom end of the limiting rod is movably sleeved with the inside of the limiting groove, the outer surface of the limiting rod is movably sleeved with the valve body, the outer surface of the linkage rod is fixedly sleeved with the limiting groove, a transverse rod is fixedly mounted on the right side of the valve body, a transverse pipe is movably sleeved on the right side of the transverse rod, a driving gear is fixedly sleeved on the outer surface of the transverse pipe, and the top of the driving gear.
Preferably, the elastic compression part is movably sleeved inside the transverse groove, the left end of the elastic compression part is fixedly connected with the left side of the inner wall of the transverse groove, and the right end of the elastic compression part is fixedly connected with the left side of the connecting block.
Preferably, the first threaded sleeve and the second threaded sleeve are both located on the left side of the fixed column, the driven gear is located on the right side of the fixed column, and the sum of the distance between the first threaded sleeve and the fixed column and the distance between the second threaded sleeve and the fixed column is twice of the distance between the fixed column and the driven gear.
Preferably, the right side of the outer surface of the linkage rod is provided with a relatively fine external thread, the insides of the first thread bushing and the second thread bushing are respectively in threaded sleeve connection with the outer surface of the linkage rod, and the thread directions of the internal threads formed by the first thread bushing and the second thread bushing are opposite.
Preferably, the linkage plate, the first threaded sleeve and the second threaded sleeve form an isosceles triangle by taking the length between the first threaded sleeve and the second threaded sleeve as a bottom edge, and the bottom angle of the triangle is thirty degrees.
Preferably, the right side of the transverse pipe is fixedly connected with a button cap, and the right side of the filtering device is fixedly connected with a clamping pad.
Preferably, the telescopic device comprises a barrel and a fixed plate, a rubber pad is fixedly mounted on the right side of the barrel, the left side of the barrel is fixedly connected with the first annular filter plate, a telescopic column is movably sleeved inside the barrel, the inside of the rubber pad is movably sleeved with the telescopic column, the right end of the telescopic column penetrates through the barrel and extends to the right side of the barrel, and the right end of the telescopic column is fixedly connected with the left side of the second annular filter.
Preferably, the outer surface of the fixing plate is movably sleeved with the inside of the cylinder, and the right side of the fixing plate is fixedly connected with the left side of the telescopic column.
Preferably, the elastic reset component is movably sleeved inside the barrel, the left end of the elastic reset component is fixedly connected with the left side of the inner wall of the barrel, and the right end of the elastic reset component is fixedly connected with the left side of the fixing plate.
The invention provides a check valve control structure for an injection pump, which has the following beneficial effects:
1. this a check valve control structure for jet pump, through drive gear, the trace, driven gear, the gag lever post, the trace, the linkage post, cooperation between first thread bush and the second thread bush, the user rotates horizontal pipe clockwise, then drive the gag lever post and break away from the inside of spacing groove, the restoring force through elastic compression part drives filter equipment and pops out from the transverse groove, thereby can effectively avoid the inside of filter equipment joint at the transverse groove, convenient to use person takes out filter equipment then, thereby reached the user and be convenient for carry out the effect of changing to filter equipment.
2. This a check valve control structure for jet pump, through the connecting plate, first annular filter, the arc pole, cooperation between telescoping device and the second annular filter, then be convenient for filter the industrial oil of check valve oil inlet department, through the barrel, flexible post, the fixed plate, elasticity reset part and the second annular filter between the cooperation, and elasticity reset part has elasticity, then convenient to use person when clearing up filter equipment, promote the second annular filter, be convenient for filter the last remaining impurity of second annular filter and shake off, then user's clearance filter equipment's efficiency has been improved.
3. This a check valve control structure for jet pump, through the cooperation between case, the sealing ring shaped plate, annular separation groove and the annular separation pole, be located then that the industrial oil that left oil-out goes out when flowing backwards to the oil inlet that lies in the right side, and because the inside seal in convex annular separation pole and annular separation groove cup joints, prevent then the industrial oil refluence, improved the sealed effect between case and the sealing ring shaped plate simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side schematic view of the connection plate of FIG. 1;
FIG. 3 is a side schematic view of the filter apparatus of FIG. 1;
fig. 4 is an enlarged schematic view of the filter device of fig. 1.
In the figure: 1. a valve body; 2. a valve core; 3. sealing the annular plate; 4. an elastic expansion member; 5. a transverse slot; 6. a filtration device; 61. a connecting plate; 62. a first annular filter plate; 63. an arcuate bar; 64. a telescoping device; 641. a barrel; 642. a telescopic column; 643. a fixing plate; 644. an elastic reset component; 645. a rubber pad; 65. second annular filtration; 66. a clamping and connecting plate; 7. connecting blocks; 8. an elastic compression member; 9. a limiting groove; 10. a transverse bar; 11. a transverse tube; 12. a drive gear; 13. fixing a column; 14. a linkage rod; 15. a driven gear; 16. a limiting rod; 17. a linkage plate; 18. a linkage column; 19. a first threaded sleeve; 20. a second threaded sleeve; 21. clamping the pad; 22. a button cap; 23. an annular barrier groove; 24. annular barrier rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-4, a check valve control structure for an injection pump comprises a valve body 1, a filter device 6 and a linkage rod 14, wherein a valve core 2 is movably sleeved in an inner cavity of the valve body 1, the top and the bottom of the inner wall of the valve body 1 are fixedly connected through a sealing ring-shaped plate 3, an annular blocking rod 24 is fixedly installed on the outer surface of the valve core 2, an annular blocking groove 23 matched with the annular blocking rod 24 is formed in the left side of the sealing ring-shaped plate 3, the right side of the annular blocking rod 24 is hermetically sleeved with the inside of the annular blocking groove 23, industrial oil discharged from an oil outlet at the left side flows backwards towards an oil inlet at the right side, the convex annular blocking rod 24 is sleeved with the inside of the annular blocking groove 23, the industrial oil is prevented from flowing backwards, the sealing effect between the valve core 2 and the sealing ring-shaped plate 3 is improved, the left side of the inner wall of the valve body, the right side of the valve body 1 is provided with a transverse groove 5, an elastic compression part 8 is movably sleeved in the transverse groove 5, the left end of the elastic compression part 8 is fixedly connected with the left side of the inner wall of the transverse groove 5, the right end of the elastic compression part 8 is fixedly connected with the left side of a connecting block 7, the filter device 6 is driven to pop out of the transverse groove 5 by the restoring force of the elastic compression part 8, so that the filter device 6 can be effectively prevented from being clamped in the transverse groove 5, and then the filter device 6 is convenient to take out by a user, thereby achieving the effect that the user can conveniently replace the filter device 6, and the connecting block 7 is movably sleeved in the transverse groove 5;
the left side of the filtering device 6 penetrates through the valve body 1 and extends to the inside of the transverse groove 5, the left side of the filtering device 6 is connected with the right side of the connecting block 7 in a clamping manner, the filtering device 6 comprises a connecting plate 61, a clamping plate 66 is fixedly installed at the top of the left side of the connecting plate 61, the left side of the clamping plate 66 is connected with the right side of the connecting block 7 in a clamping manner, a first annular filter plate 62 is fixedly connected to the middle of the left side of the connecting plate 61 through an arc-shaped rod 63, a second annular filter 65 is movably sleeved inside the connecting plate 61, the left side of the second annular filter 65 is fixedly connected with the right side of the first annular filter plate 62 through a telescopic device 64, a limiting groove 9 is formed in the top of the clamping plate 66, industrial oil at an oil inlet of the check valve can be conveniently filtered, the elastic resetting component 644 has elasticity through the matching among the cylinder body, therefore, when a user cleans the filtering device 6, the user can push the second annular filter 65 to shake off impurities remained on the second annular filter 65, and further the efficiency of cleaning the filtering device 6 is improved, the telescopic device 64 comprises a cylinder 641 and a fixing plate 643, a rubber pad 645 is fixedly arranged on the right side of the cylinder 641, the left side of the cylinder 641 is fixedly connected with the first annular filter plate 62, the outer surface of the fixing plate 643 is movably sleeved with the inside of the cylinder 641, the right side of the fixing plate 643 is fixedly connected with the left side of the telescopic column 642, the telescopic column 642 is movably sleeved inside the cylinder 641, an elastic reset part 644 is movably sleeved inside the cylinder 641, the left end of the elastic reset part 644 is fixedly connected with the left side of the inner wall of the cylinder 641, the right end of the elastic reset part 644 is fixedly connected with the left side of the fixing plate 643, and the inside of the rubber pad 645 is movably sleeved with the, then the liquid in the valve is prevented from flowing into the interior of the telescopic device 64, and then the movement of the telescopic column 642 is obstructed, the right end of the telescopic column 642 penetrates through the cylinder 641 and extends to the right side of the cylinder 641, and the right end of the telescopic column 642 is fixedly connected with the left side of the second annular filter 65;
the outer surface of the linkage rod 14 is movably sleeved with the top of the valve body 1 through the fixed column 13, the right side of the outer surface of the linkage rod 14 is provided with a relatively fine external thread, the interiors of the first threaded sleeve 19 and the second threaded sleeve 20 are respectively in threaded sleeve connection with the outer surface of the linkage rod 14, the thread directions of the internal threads formed on the first threaded sleeve 19 and the second threaded sleeve 20 are opposite, the outer surface of the linkage rod 14 is respectively provided with the first threaded sleeve 19 and the second threaded sleeve 20, the first threaded sleeve 19 and the second threaded sleeve 20 are both positioned on the left side of the fixed column 13, the driven gear 15 is positioned on the right side of the fixed column 13, the sum of the distance between the first threaded sleeve 19 and the fixed column 13 and the distance between the second threaded sleeve 20 and the fixed column 13 is twice of the distance between the fixed column 13 and the driven gear 15, the bottoms of the first threaded sleeve 19 and the second threaded sleeve 20 are movably connected with the linkage plate 17 through, The length between the first threaded sleeve 19 and the second threaded sleeve 20 is taken as a bottom edge to form an isosceles triangle, the bottom angle of the triangle is thirty degrees, the bottom of the linkage plate 17 is fixedly connected with a limiting rod 16, the bottom end of the limiting rod 16 penetrates through the valve body 1 and extends to the inside of the limiting groove 9, the bottom end of the limiting rod 16 is movably sleeved with the inside of the limiting groove 9, the outer surface of the limiting rod 16 is movably sleeved with the valve body 1, the outer surface of the linkage rod 14 is fixedly sleeved with the limiting groove 9, the right side of the valve body 1 is fixedly provided with a transverse rod 10, the right side of the transverse rod 10 is movably sleeved with a transverse pipe 11, the right side of the transverse pipe 11 is fixedly connected with a button cap 22, the right side of the filtering device 6 is fixedly connected with a clamping pad 21, a user rotates the transverse pipe 11 clockwise to drive the limiting rod 16 to be separated from the inside of the limiting groove 9, the outer surface of the transverse pipe 11, the top of the driving gear 12 is in threaded socket connection with the bottom of the driven gear 15.
In summary, in the check valve control structure for an injection pump, when in use, a user rotates the button cap 22 clockwise, and then drives the driving gear 12 on the outer surface of the transverse pipe 11 fixedly connected with the button cap 22 to rotate, since the driving gear 12 is engaged with the driven gear 15, and then drives the linkage rod 14 inside the driven gear 15 to rotate clockwise, and then since the linkage rod 14 is movably sleeved with the valve body 1 through the fixed column 13, the driving gear drives the first threaded sleeve 19 and the second threaded sleeve 20 to move towards one side far away from the linkage plate 17, so as to drive the two linkage columns 18 at the bottoms of the first threaded sleeve 19 and the second threaded sleeve 20 to move in opposite directions, and the lengths of the two linkage columns 18 are fixed and are both connected to the top of the linkage plate 17, and then the bottom ends of the two linkage columns 18 drive the linkage plate 17 to move upwards, so as to continuously rotate the button cap 22 clockwise, then the bottom end of the limiting rod 16 is driven to be separated from the inside of the limiting groove 9, at the moment, due to the restoring force of the elastic compression part 8, the filtering device 6 is separated from the inside of the transverse groove 5 by pushing the connecting block 7, then the filtering device 6 is convenient to take out by a user, due to the elastic force of the elastic reset part 644, then the filtering device moves to the right side by pushing the second annular filter 65, and then the user can clean impurities on the second annular filter 65 conveniently.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 check valve control structure for jet pump, includes valve body (1), filter equipment (6) and trace (14), its characterized in that: the inner cavity of the valve body (1) is movably sleeved with a valve core (2), the top and the bottom of the inner wall of the valve body (1) are fixedly connected through a sealing annular plate (3), an annular blocking rod (24) is fixedly installed on the outer surface of the valve core (2), an annular blocking groove (23) matched with the annular blocking rod (24) is formed in the left side of the sealing annular plate (3), the right side of the annular blocking rod (24) is hermetically sleeved with the inside of the annular blocking groove (23), the left side of the inner wall of the valve body (1) is fixedly connected with the left side of the valve core (2) through an elastic telescopic part (4), a transverse groove (5) is formed in the right side of the valve body (1), and a connecting block (7) is movably sleeved in the transverse groove (5);
the left side of the filtering device (6) penetrates through the valve body (1) and extends to the inside of the transverse groove (5), the left side of the filtering device (6) is clamped with the right side of the connecting block (7), the filtering device (6) comprises a connecting plate (61), the top of the left side of the connecting plate (61) is fixedly provided with a clamping and connecting plate (66), the left side of the clamping and connecting plate (66) is clamped and connected with the right side of the connecting block (7), the middle part of the left side of the connecting plate (61) is fixedly connected with a first annular filter plate (62) through an arc-shaped rod (63), a second annular filter screen (65) is movably sleeved in the connecting plate (61), the left side of the second annular filter screen (65) is fixedly connected with the right side of the first annular filter screen (62) through a telescopic device (64), and the top of the clamping plate (66) is provided with a limit groove (9);
the outer surface of the linkage rod (14) is movably sleeved with the top of the valve body (1) through a fixed column (13), the outer surface of the linkage rod (14) is respectively provided with a first threaded sleeve (19) and a second threaded sleeve (20), the bottoms of the first threaded sleeve (19) and the second threaded sleeve (20) are movably connected with a linkage plate (17) through a linkage column (18), the bottom of the linkage plate (17) is fixedly connected with a limiting rod (16), the bottom end of the limiting rod (16) penetrates through the valve body (1) and extends to the inside of the limiting groove (9), the bottom end of the limiting rod (16) is movably sleeved with the inside of the limiting groove (9), the outer surface of the limiting rod (16) is movably sleeved with the valve body (1), the outer surface of the linkage rod (14) is fixedly sleeved with the limiting groove (9), and the transverse rod (10) is fixedly installed on the right side of the valve body (1), a transverse pipe (11) is movably sleeved on the right side of the transverse rod (10), a driving gear (12) is fixedly sleeved on the outer surface of the transverse pipe (11), and the top of the driving gear (12) is in threaded sleeve connection with the bottom of a driven gear (15);
the telescopic device (64) comprises a cylinder body (641) and a fixing plate (643), a rubber gasket (645) is fixedly installed on the right side of the cylinder body (641), the left side of the cylinder body (641) is fixedly connected with the first annular filter plate (62), a telescopic column (642) is movably sleeved inside the cylinder body (641), the inside of the rubber gasket (645) is movably sleeved with the telescopic column (642), the right end of the telescopic column (642) penetrates through the cylinder body (641) and extends to the right side of the cylinder body (641), and the right end of the telescopic column (642) is fixedly connected with the left side of the second annular filter screen (65);
the outer surface of the fixing plate (643) is movably sleeved with the interior of the cylinder body (641), and the right side of the fixing plate (643) is fixedly connected with the left side of the telescopic column (642);
an elastic resetting part (644) is movably sleeved in the cylinder body (641), the left end of the elastic resetting part (644) is fixedly connected with the left side of the inner wall of the cylinder body (641), and the right end of the elastic resetting part (644) is fixedly connected with the left side of the fixing plate (643).
2. A check valve control structure for an injection pump according to claim 1, characterized in that: elastic compression parts (8) are movably sleeved inside the transverse groove (5), the left end of each elastic compression part (8) is fixedly connected with the left side of the inner wall of the transverse groove (5), and the right end of each elastic compression part (8) is fixedly connected with the left side of the connecting block (7).
3. A check valve control structure for an injection pump according to claim 1, characterized in that: the first threaded sleeve (19) and the second threaded sleeve (20) are located on the left side of the fixed column (13), the driven gear (15) is located on the right side of the fixed column (13), and the sum of the distance between the first threaded sleeve (19) and the fixed column (13) and the distance between the second threaded sleeve (20) and the fixed column (13) is twice the distance between the fixed column (13) and the driven gear (15).
4. A check valve control structure for an injection pump according to claim 1, characterized in that: the right side of the outer surface of the linkage rod (14) is provided with a relatively fine external thread, the insides of the first thread sleeve (19) and the second thread sleeve (20) are respectively in threaded sleeve connection with the outer surface of the linkage rod (14), and the thread directions of the internal threads formed on the first thread sleeve (19) and the second thread sleeve (20) are opposite.
5. A check valve control structure for an injection pump according to claim 1, characterized in that: the linkage plate (17), the first threaded sleeve (19) and the second threaded sleeve (20) form an isosceles triangle by taking the length between the first threaded sleeve (19) and the second threaded sleeve (20) as a bottom edge, and the bottom angle of the triangle is thirty degrees.
6. A check valve control structure for an injection pump according to claim 1, characterized in that: the right side fixedly connected with button cap (22) of horizontal pipe (11), the right side fixedly connected with joint pad (21) of filter equipment (6).
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| CN201910830699.7A CN110566695B (en) | 2019-09-04 | 2019-09-04 | Check valve control structure for injection pump |
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| CN109357051A (en) * | 2018-12-06 | 2019-02-19 | 安徽荣达阀门有限公司 | A kind of linkage lift filter mechanism for check-valves |
| CN211435261U (en) * | 2019-09-04 | 2020-09-08 | 刘州豪 | Check valve control structure for injection pump |
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| US6321777B1 (en) * | 2000-05-04 | 2001-11-27 | Faucet Wu | Wall-type shower faucet influent load control fixture |
| US7055798B2 (en) * | 2004-02-06 | 2006-06-06 | Kojima Instruments Inc. | Proportional solenoid control valve |
| CN105422929A (en) * | 2015-12-17 | 2016-03-23 | 苏州美达斯机电有限公司 | Simple manual control structure for one-way valve |
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| CN211435261U (en) * | 2019-09-04 | 2020-09-08 | 刘州豪 | Check valve control structure for injection pump |
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Effective date of registration: 20230407 Address after: No.153 Jingui Avenue, Enshi City, Enshi Tujia and Miao Autonomous Prefecture, Hubei Province Patentee after: HUBEI CHUANGSINUO ELECTRICAL TECHNOLOGY Corp. Address before: 313306 No. 121, Xiaodou natural village, Banqiao Village, Meixi Town, Anji County, Huzhou City, Zhejiang Province Patentee before: Liu Zhouhao |