CN112377403A - Pressurization anti-reflux type water pump - Google Patents
Pressurization anti-reflux type water pump Download PDFInfo
- Publication number
- CN112377403A CN112377403A CN202011192105.3A CN202011192105A CN112377403A CN 112377403 A CN112377403 A CN 112377403A CN 202011192105 A CN202011192105 A CN 202011192105A CN 112377403 A CN112377403 A CN 112377403A
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- threaded
- hole
- valve body
- block
- water pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
The invention relates to the field of water pumps, in particular to a pressurized anti-backflow water pump which comprises a valve body mechanism, wherein a pushing mechanism is arranged inside the valve body mechanism, a sealing mechanism is arranged on the pushing mechanism, a transmission mechanism is arranged on the position of the valve body mechanism corresponding to the pushing mechanism, when the pressurized anti-backflow water pump is used, backflow water can push a rotating blade to rotate when flowing, the rotating blade drives a first threaded rod to rotate, the mounting block and a threaded sleeve cannot rotate under the matching of a positioning hole and a positioning rod, the mounting block and the threaded sleeve can be driven to move by the matching of the first threaded rod and the threaded sleeve when rotating, so that the sealing block enters a connecting hole to seal a pipeline, meanwhile, the backflow water can push the mounting block and the sealing block to tightly abut against a connecting cavity and the connecting hole, and then can carry out the inseparable seal to the pipeline to avoided water to run off from the pipeline.
Description
Technical Field
The invention relates to the field of water pumps, in particular to a pressurized anti-backflow water pump.
Background
In recent years, with the adjustment of agricultural structures, farmers fully utilize the resources of low mountains, gentle slopes and barren beaches to develop high-efficiency agriculture in large areas, but the plots are difficult to irrigate by gravity flow, so that water needs to be supplied by adopting a water pump, wherein the water pump is one of agricultural machines and is a machine for conveying liquid or pressurizing liquid.
And the inside pressure boost function of current water pump after the stall also can synchronous stall to make the inside water of pipeline can produce the refluence, thereby need be from newly to pipeline inside input water and pressure boost when irrigating next time, and this process can waste a large amount of time, need provide a pressurization anti-reflux type water pump to this necessarily.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a pressurized anti-backflow water pump.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a pressurization is prevented type water pump against current, includes a valve body mechanism, the inside of valve body mechanism is provided with a pushing mechanism, the last sealing mechanism that is provided with of pushing mechanism, be provided with a drive mechanism on the valve body mechanism corresponds pushing mechanism's the position, be provided with a fixture in the valve body mechanism's the position that corresponds drive mechanism.
Specifically, valve body mechanism includes a valve body, a connecting chamber has been seted up to the inside of valve body, be the symmetry form on the relative chamber wall in connecting chamber and run through and seted up two connecting holes, two the connecting hole all is linked together with the valve body outside, corresponds two fixedly connected with connecting pipes on the valve body lateral wall of connecting hole position.
Specifically, pushing mechanism includes two mounting brackets, two mounting bracket difference fixed mounting is on the inside pipe wall of two connecting pipes, two rotate through the bearing between the mounting bracket and be connected with a first threaded rod, be located two first threaded rod between the mounting bracket is through connection chamber and two connecting hole settings, is located two carousel of the equal fixedly connected with in first threaded rod both ends outside the mounting bracket, two all be on the carousel and encircle four rotating blade of form fixedly connected with.
Specifically, sealing mechanism includes a threaded sleeve that is both ends opening setting, threaded sleeve threaded connection is on the pole wall that first threaded rod is located the connecting cavity, the fixed cover has connect an installation piece on the telescopic urceolus wall of threaded sleeve, the installation piece is close to the sealed piece of fixedly connected with on the lateral wall of one of them connecting hole position, the sealed piece is kept away from the one end of installation piece and is run through the drill way of connecting hole and run through and extend to in the connecting hole, a ring channel has been seted up on the pole wall that sealed piece is located the connecting hole, the fixed cover of ring channel has been connected a sealing washer, the sealing washer runs through the notch of ring channel and outwards extends to in the connecting hole, the lateral wall that the sealing washer is located the connecting hole offsets with the pore wall of connecting.
Specifically, drive mechanism includes two dwang, two the dwang rotates respectively through the bearing and connects between the relative chamber wall in connection chamber, two first bevel gear of the equal fixedly connected with of one end that the dwang is in the same direction corresponds two a second bevel gear has all been cup jointed fixedly on the first threaded rod pole wall of first bevel gear position, two first bevel gear meshes with a second bevel gear simultaneously, two a driving gear has all been cup jointed fixedly on the pole wall of dwang.
Specifically, the clamping mechanism comprises two mounting rods, the two mounting rods are respectively rotatably connected to opposite cavity walls of the connecting cavity through bearings, opposite ends of the two mounting rods penetrate through and extend into the connecting cavity, one end of each mounting rod, which is located in the connecting cavity, is fixedly sleeved with a driven gear, the two driven gears are respectively meshed with the two driving gears, a threaded cavity is respectively formed in each mounting rod, a through hole is respectively formed in the cavity wall of each threaded cavity, a threaded block is respectively in threaded connection with each cavity wall of each threaded cavity, a fixing rod is respectively and fixedly connected to one end, which is close to the through hole, of each threaded block, one end, which is far away from the threaded block, of each fixing rod penetrates through the corresponding through hole and extends into the connecting cavity, and a fixing block is respectively and fixedly connected to one end, which is located in the connecting cavity, of each fixing rod, two a centre gripping groove has all been seted up to fixed block one end in opposite directions, and two the centre gripping groove all matches with the outside edge of installation piece.
Specifically, run through on the installation piece and seted up two locating holes, two the equal sliding connection of locating hole has two locating levers, two the both ends of locating lever run through the both ends drill way of two locating holes respectively and outwards extend to the connection intracavity, two the locating lever is located the equal fixed connection of wherein one end of connecting the intracavity and is on the chamber wall of one of them side of connecting the chamber, and two locating hole and two locating levers all are the parallel form setting.
Specifically, the through holes and the two fixing rods are both arranged in a rectangular shape.
The invention has the beneficial effects that:
(1) the invention relates to a pressurized anti-backflow water pump, which is provided with a connecting cavity, a connecting hole, a connecting pipe, a pushing mechanism, an installation frame, a first threaded rod, a rotary disc, a rotating blade, a sealing mechanism, a threaded sleeve, an installation block, a sealing block, a positioning hole, a positioning rod, an annular groove and a sealing ring, when in use, backflow water can push the rotating blade to rotate when flowing, the rotating blade drives the first threaded rod to rotate, the installation block and the threaded sleeve cannot rotate under the matching of the positioning hole and the positioning rod, the first threaded rod can drive the installation block and the sealing block to move through the matching with the threaded sleeve when rotating, so that the sealing block enters the connecting hole to seal a pipeline, and meanwhile, the backflow water can push the installation block and the sealing block to tightly abut against the connecting cavity and the connecting hole, and then can carry out the inseparable seal to the pipeline to avoided water to run off from the pipeline.
(2) According to the pressurization anti-reflux water pump, the rotating rod, the first bevel gear, the second bevel gear, the driving gear, the mounting rod, the driven gear, the threaded cavity, the through hole, the threaded block, the fixing rod, the fixing block and the clamping groove are arranged, when the pressurization anti-reflux water pump is used, the first threaded rod can drive the rotating rod to rotate through the meshing of the first bevel gear and the second bevel gear, the rotating rod drives the mounting rod to rotate through the meshing of the driving gear and the driven gear, the mounting rod can drive the fixing rod to move through the threaded connection of the threaded cavity and the threaded block, the fixing block and the clamping groove are driven to synchronously move when the fixing rod moves, and therefore the mounting block can be clamped and fixed or released through the clamping groove, and the influence on the sealing of the mounting block or the flowing of water in.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of a sealing structure of a pressurized anti-backflow water pump according to the present invention;
FIG. 2 is a sectional view of a flowing water state mounting block of a pressurized anti-backflow water pump according to the present invention;
FIG. 3 is a cross-sectional view of a clamping mechanism of a pressurized anti-backflow water pump according to the present invention;
FIG. 4 is a schematic structural diagram of a sealing mechanism in a pressurized anti-backflow water pump according to the present invention;
FIG. 5 is a schematic diagram of a side view of a sealing mechanism in a pressurized anti-backflow water pump according to the present invention;
FIG. 6 is an enlarged schematic view of a portion A of the pressurized anti-backflow water pump shown in FIG. 1 according to the present invention;
fig. 7 is an enlarged schematic structural view of a portion B in fig. 2 of the pressurized anti-backflow type water pump provided by the present invention.
In the figure: 1. a valve body mechanism; 11. a valve body; 12. a connecting cavity; 13. connecting holes; 14. a connecting pipe; 2. a pushing mechanism; 21. a mounting frame; 22. a first threaded rod; 23. a turntable; 24. a rotor blade; 3. a sealing mechanism; 31. a threaded sleeve; 32. mounting blocks; 33. a sealing block; 34. an annular groove; 35. a seal ring; 4. a transmission mechanism; 41. rotating the rod; 42. a first bevel gear; 43. a second bevel gear; 44. a driving gear; 5. a clamping mechanism; 51. mounting a rod; 52. a driven gear; 53. a threaded cavity; 54. a through hole; 55. a thread block; 56. fixing the rod; 57. a fixed block; 58. a clamping groove; 6. positioning holes; 7. and (5) positioning the rod.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-7, the pressurized anti-backflow water pump of the present invention includes a valve body mechanism 1, a pushing mechanism 2 is disposed inside the valve body mechanism 1, a sealing mechanism 3 is disposed on the pushing mechanism 2, a transmission mechanism 4 is disposed at a position of the valve body mechanism 1 corresponding to the pushing mechanism 2, and a clamping mechanism 5 is disposed at a position of the valve body mechanism 1 corresponding to the transmission mechanism 4, so that the pushing mechanism 2 is pushed when water generates a backflow, and the pushing mechanism 2 drives the clamping mechanism 5 to operate through the transmission mechanism 4, thereby releasing the fixing of the clamping mechanism 5 to the sealing mechanism 3, so that the pushing mechanism 2 can push the sealing mechanism 2 to seal the valve body mechanism 1.
Specifically, the valve body mechanism 1 comprises a valve body 11, a connecting cavity 12 is arranged inside the valve body 11, two connecting holes 13 are symmetrically arranged on opposite cavity walls of the connecting cavity 12 in a penetrating manner, both the two connecting holes 13 are communicated with the outside of the valve body 1, two connecting pipes 14 are fixedly connected to the outer side wall of the valve body 11 corresponding to the positions of the two connecting holes 13, the pushing mechanism 2 comprises two mounting frames 21, the two mounting frames 21 are respectively and fixedly mounted on the inner pipe walls of the two connecting pipes 14, a first threaded rod 22 is rotatably connected between the two mounting frames 21 through a bearing, the first threaded rod 22 between the two mounting frames 21 is arranged in the penetrating connecting cavity 12 and the two connecting holes 13, two turntables 23 are fixedly connected to both ends of the first threaded rod 22 outside the two mounting frames 21, and four rotating blades 24 are fixedly connected to the two turntables 23 in a, the sealing mechanism 3 comprises a threaded sleeve 31 with two openings at two ends, the threaded sleeve 31 is in threaded connection with the rod wall of the first threaded rod 22 in the connecting cavity 12, an installation block 32 is fixedly sleeved on the outer cylinder wall of the threaded sleeve 31, a sealing block 33 is fixedly connected on the side wall of the installation block 32 close to one connecting hole 13, one end of the sealing block 33 far away from the installation block 32 penetrates through the orifice of the connecting hole 13 and extends into the connecting hole 13, an annular groove 34 is formed in the rod wall of the sealing block 33 in the connecting hole 13, a sealing ring 35 is fixedly sleeved in the annular groove 34, the sealing ring 35 penetrates through the notch of the annular groove 34 and extends outwards into the connecting hole 13, the outer side wall of the sealing ring 35 in the connecting hole 13 abuts against the hole wall of the connecting hole 13, two positioning holes 6 are formed in the installation block 32 in a penetrating manner, and the two positioning rods 7 are slidably, the two ends of the two positioning rods 7 respectively penetrate through the two end orifices of the two positioning holes 6 and extend outwards into the connecting cavity 12, one end of each of the two positioning rods 7, which is positioned in the connecting cavity 12, is fixedly connected to the cavity wall on one side of the connecting cavity 12, the two positioning holes 6 and the two positioning rods 7 are arranged in parallel, when water generates reverse flow in the pipeline, the rotating blades 24 are pushed to rotate, the rotating blades 24 drive the rotating disc 23 to rotate, the rotating disc 23 drive the first threaded rod 22 to rotate, the first threaded rod 22 can drive the mounting block 32 to move through matching with the threaded sleeve 31, the mounting block 32 drives the sealing block 33 to move synchronously, so that the mounting block 32 moves to abut against the cavity wall of the connecting cavity 12, meanwhile, the sealing block 33 enters the connecting hole 13, and the sealing ring 35 abuts against the hole wall of the connecting hole 13, so as to seal the pipeline, and the water pushes the mounting block 32 to be tightly abutted against the connecting cavity 12 when the water flows reversely, so that the reverse flow generated when the water pump stops running is avoided.
Specifically, the transmission mechanism 4 includes two rotation rods 41, the two rotation rods 41 are respectively rotatably connected between the opposite cavity walls of the connection cavity 12 through bearings, one opposite ends of the two rotation rods 41 are fixedly connected with a first bevel gear 42, a second bevel gear 43 is fixedly sleeved on the rod wall of the first threaded rod 22 corresponding to the positions of the two first bevel gears 42, the two first bevel gears 42 are simultaneously engaged with the second bevel gear 43, a driving gear 44 is fixedly sleeved on the rod wall of the two rotation rods 41, the first threaded rod 22 drives the two rotation rods 41 to rotate through the engagement of the first bevel gear 42 and the second bevel gear 43 when rotating, the two rotation rods 41 drive the two installation rods 51 to rotate through the engagement of the driving gear 44 and the driven gear 52, the installation rod 51 drives the threaded cavity 53 to rotate when rotating, the threaded cavity 53 can drive the threaded block 55 to ascend through the threaded connection with the threaded block 55, when the screw block 55 is lifted, the fixing block 57 is driven by the fixing rod 56 to synchronously lift, so that the clamping groove 58 releases the fixing of the mounting block 32.
Specifically, the clamping mechanism 5 includes two mounting rods 51, the two mounting rods 51 are rotatably connected to opposite cavity walls of the connecting cavity 12 through bearings, opposite ends of the two mounting rods 51 extend into the connecting cavity 12, one end of each mounting rod 51 located in the connecting cavity 12 is fixedly sleeved with a driven gear 52, the two driven gears 52 are respectively engaged with the two driving gears 44, a threaded cavity 53 is formed in each mounting rod 51, a through hole 54 is formed in each cavity wall of each threaded cavity 53, a threaded block 55 is in threaded connection with each cavity wall of each threaded cavity 53, one end of each threaded block 55 close to the through hole 54 is fixedly connected with a fixing rod 56, one end of each fixing rod 56 far away from the threaded block 55 extends into the connecting cavity 12 through the corresponding through hole 54, and one end of each fixing rod 56 located in the connecting cavity 12 is fixedly connected with a fixing block 57, a centre gripping groove 58 has all been seted up to two fixed block 57 one end in opposite directions, two through-holes 54 all are the rectangle setting with two dead levers 56, and two centre gripping grooves 58 all with the outside edge phase-match of installation piece 32, fix installation piece 32 through centre gripping groove 58 on fixed block 57, thereby can fix installation piece 31 in the normal position, can avoid influencing installation piece 32 and remove at will in connecting chamber 12, and then avoid installation piece 32 can influence the flow of inside rivers when using.
When the water pump is used, the mounting block 32 is fixed through the clamping groove 58 on the fixing block 57, so that the mounting block 31 can be fixed in place, the mounting block 32 can be prevented from being influenced to move freely in the connecting cavity 12, the mounting block 32 can be prevented from influencing the flow of internal water flow in use, when the water pump stops running, water can push the rotating blades 24 to rotate when a reverse flow is generated inside the pipeline, the rotating blades 24 can drive the rotating disc 23 to rotate, the rotating disc 23 can drive the first threaded rod 22 to rotate, the first threaded rod 22 drives the two rotating rods 41 to rotate through the meshing of the first bevel gear 42 and the second bevel gear 43 when rotating, the two rotating rods 41 drive the two mounting rods 51 to rotate through the meshing of the driving gear 44 and the driven gear 52, the mounting rod 51 can drive the threaded cavity 53 to rotate when rotating, the threaded cavity 53 can drive the threaded block 55 to ascend through the threaded connection with the threaded block 55, and the thread block 55 can drive the fixed block 57 to synchronously rise through the fixed rod 56 when rising, and then the clamping groove 58 removes the fixation of the installation block 32, at this moment, the first threaded rod 22 can drive the installation block 32 to move through the cooperation with the threaded sleeve 31, and the installation block 32 drives the sealing block 33 to synchronously move, so that the installation block 32 moves to abut against the cavity wall of the connection cavity 12, meanwhile, the sealing block 33 enters the connection hole 13 and the sealing ring 35 abuts against the hole wall of the connection hole 13, so as to seal the pipeline, and water can push the installation block 32 to closely abut against the connection cavity 12 when flowing against the counter, thereby avoiding the counter flow generated when the water pump stops running.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a pressurization is prevented type water pump against current, includes a valve body mechanism (1), its characterized in that, the inside of valve body mechanism (1) is provided with a pushing mechanism (2), be provided with a sealing mechanism (3) on pushing mechanism (2), be provided with a drive mechanism (4) on the position that valve body mechanism (1) corresponds pushing mechanism (2), be provided with a fixture (5) on the position that valve body mechanism (1) corresponds drive mechanism (4).
2. A pressurized reverse-flow preventing type water pump according to claim 1, characterized in that: valve body mechanism (1) includes a valve body (11), a connection chamber (12) has been seted up to the inside of valve body (11), be the symmetry form on the relative chamber wall of connection chamber (12) and run through and seted up two connecting holes (13), two connecting hole (13) all are linked together with valve body (1) outside, correspond two fixedly connected with two connecting pipes (14) on valve body (11) the lateral wall of connecting hole (13) position.
3. A pressurized reverse-flow preventing type water pump according to claim 1, characterized in that: pushing mechanism (2) are including two mounting bracket (21), two mounting bracket (21) is fixed mounting respectively on the inside pipe wall of two connecting pipes (14), two rotate through the bearing between mounting bracket (21) and be connected with a first threaded rod (22), are located two first threaded rod (22) between mounting bracket (21) are through connection chamber (12) and two connecting hole (13) settings, are located two carousel (23) of the equal fixedly connected with in first threaded rod (22) both ends outside mounting bracket (21), two all be on carousel (23) and encircle form fixedly connected with four rotating blade (24).
4. A pressurized reverse-flow preventing type water pump according to claim 1, characterized in that: the sealing mechanism (3) comprises a threaded sleeve (31) with two openings at two ends, the threaded sleeve (31) is in threaded connection with a rod wall of the first threaded rod (22) in the connecting cavity (12), an installation block (32) is fixedly sleeved on the outer cylinder wall of the threaded sleeve (31), a sealing block (33) is fixedly connected on the side wall of the installation block (32) close to one connecting hole (13), one end of the sealing block (33) far away from the installation block (32) penetrates through a hole opening of the connecting hole (13) and extends into the connecting hole (13), an annular groove (34) is formed in the rod wall of the sealing block (33) in the connecting hole (13), a sealing ring (35) is fixedly sleeved in the annular groove (34), and the sealing ring (35) penetrates through a groove opening of the annular groove (34) and extends outwards into the connecting hole (13), the outer side wall of the sealing ring (35) positioned in the connecting hole (13) is abutted against the hole wall of the connecting hole (13).
5. A pressurized reverse-flow preventing type water pump according to claim 1, characterized in that: drive mechanism (4) include two dwang (41), two dwang (41) rotate respectively through the bearing and connect between the relative chamber wall of connecting chamber (12), two dwang (41) first bevel gear (42) of the equal fixedly connected with of one end in opposite directions, correspond two a second bevel gear (43), two have all been cup jointed fixedly on the first threaded rod (22) pole wall of first bevel gear (42) position first bevel gear (42) mesh with a second bevel gear (43) simultaneously, two a driving gear (44) has all been cup jointed fixedly on the pole wall of dwang (41).
6. A pressurized reverse-flow preventing type water pump according to claim 1, characterized in that: the clamping mechanism (5) comprises two mounting rods (51), the two mounting rods (51) are respectively rotatably connected to opposite cavity walls of the connecting cavity (12) through bearings, opposite ends of the two mounting rods (51) penetrate through the connecting cavity (12) and extend into the connecting cavity, one ends of the two mounting rods (51) in the connecting cavity (12) are fixedly sleeved with driven gears (52), the two driven gears (52) are respectively meshed with the two driving gears (44), a threaded cavity (53) is formed in each of the two mounting rods (51), a through hole (54) is formed in each of the cavity walls of the two threaded cavities (53), a threaded block (55) is in threaded connection with each of the cavity walls of the two threaded cavities (53), and a fixing rod (56) is fixedly connected to one end, close to the through hole (54), of each of the two threaded blocks (55), two the one end that screw block (55) was kept away from in dead lever (56) runs through corresponding through-hole (54) respectively and extends to connecting chamber (12), two dead lever (56) are located the equal fixedly connected with fixed block (57) of one end of connecting chamber (12), two a centre gripping groove (58) has all been seted up to fixed block (57) one end in opposite directions, and two centre gripping groove (58) all with the outside edge phase-match of installation piece (32).
7. The pressurized reverse-flow preventing type water pump according to claim 4, wherein: run through on installation piece (32) and seted up two locating hole (6), two equal sliding connection of locating hole (6) has two locating levers (7), two the both ends of locating lever (7) run through the both ends drill way of two locating holes (6) respectively and outwards extend to in connecting chamber (12), two wherein the equal fixed connection of one end in locating lever (7) are located connecting chamber (12) is on the chamber wall of one side wherein of connecting chamber (12), and two locating hole (6) and two locating levers (7) all are the form setting of running in parallel.
8. A pressurized reverse-flow preventing type water pump according to claim 6, characterized in that: the two through holes (54) and the two fixing rods (56) are arranged in a rectangular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011192105.3A CN112377403A (en) | 2020-10-30 | 2020-10-30 | Pressurization anti-reflux type water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011192105.3A CN112377403A (en) | 2020-10-30 | 2020-10-30 | Pressurization anti-reflux type water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112377403A true CN112377403A (en) | 2021-02-19 |
Family
ID=74576872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011192105.3A Pending CN112377403A (en) | 2020-10-30 | 2020-10-30 | Pressurization anti-reflux type water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112377403A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113881979A (en) * | 2021-11-05 | 2022-01-04 | 广东嘉元科技股份有限公司 | Sealing device for electrolytic copper foil |
| CN114458607A (en) * | 2022-01-13 | 2022-05-10 | 冯德旭 | Pressurization anti-reflux water pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5176171A (en) * | 1991-10-17 | 1993-01-05 | Flomatic Corporation | Check valve |
| CN202327246U (en) * | 2011-11-15 | 2012-07-11 | 刘春� | Straight-through check valve |
| CN103470822A (en) * | 2013-10-09 | 2013-12-25 | 吉首大学 | Check valve of ore pulp pump |
| CN108953695A (en) * | 2018-08-13 | 2018-12-07 | 李琼 | A kind of check-valves |
| CN208416298U (en) * | 2018-06-05 | 2019-01-22 | 吴江市林森净化设备有限公司 | Press from both sides door frame of section bar |
| CN209304384U (en) * | 2018-07-19 | 2019-08-27 | 江门市长实实业有限公司 | Clamping device is used in a kind of production of Hardware fitting |
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2020
- 2020-10-30 CN CN202011192105.3A patent/CN112377403A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5176171A (en) * | 1991-10-17 | 1993-01-05 | Flomatic Corporation | Check valve |
| CN202327246U (en) * | 2011-11-15 | 2012-07-11 | 刘春� | Straight-through check valve |
| CN103470822A (en) * | 2013-10-09 | 2013-12-25 | 吉首大学 | Check valve of ore pulp pump |
| CN208416298U (en) * | 2018-06-05 | 2019-01-22 | 吴江市林森净化设备有限公司 | Press from both sides door frame of section bar |
| CN209304384U (en) * | 2018-07-19 | 2019-08-27 | 江门市长实实业有限公司 | Clamping device is used in a kind of production of Hardware fitting |
| CN108953695A (en) * | 2018-08-13 | 2018-12-07 | 李琼 | A kind of check-valves |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113881979A (en) * | 2021-11-05 | 2022-01-04 | 广东嘉元科技股份有限公司 | Sealing device for electrolytic copper foil |
| CN113881979B (en) * | 2021-11-05 | 2022-05-10 | 广东嘉元科技股份有限公司 | Sealing device for electrolytic copper foil |
| CN114458607A (en) * | 2022-01-13 | 2022-05-10 | 冯德旭 | Pressurization anti-reflux water pump |
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