CN104061141A - Uniform motion pipeline pump - Google Patents
Uniform motion pipeline pump Download PDFInfo
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- CN104061141A CN104061141A CN201410243605.3A CN201410243605A CN104061141A CN 104061141 A CN104061141 A CN 104061141A CN 201410243605 A CN201410243605 A CN 201410243605A CN 104061141 A CN104061141 A CN 104061141A
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Abstract
The invention discloses a uniform motion pipeline pump. The uniform motion pipeline pump comprises a pump casing; a cylindrical inner cavity is formed in the pump casing; a plurality of convex curved surfaces are arranged on the inner wall of the cylindrical inner cavity; a central shaft is arranged in the inner cavity of the pump casing; two eccentric wheels are arranged on the central shaft; a bearing is fixed outside each eccentric wheel; a pressing wheel is fixed on each bearing; two gaps are formed between the two pressing wheels and the inner cavity wall of the pump casing; liquid passing pipes which can be deformed elastically are arranged in the two gaps; a filtering joint is arranged on the pump casing, and is provided with a liquid inlet hole and a liquid outlet hole. The liquid passing pipes are compressed completely by pressing wheels at the minimum gaps, and the liquid cannot pass; when the central shaft is driven by the motor to rotate, the pressing wheels press the liquid in the pipes through the liquid passing pipes; pressure difference is formed on the two sides of the minimum gaps; the liquid is inhaled on the low pressure side; the liquid is exhausted on the high pressure side; pulsating flow rates output by the two liquid passing pipes is combined into a flow rate with a relatively uniform pulsating range at the liquid inlet hole and the liquid outlet hole of the filtering joint.
Description
[technical field]
The present invention relates to liquor pump, particularly relate to and a kind of the pulsation of flow and pressure is reduced, to realize the even moving pipeline mounted pump of approximate constant current.
[background technique]
Pump is a kind of machinery of carrying liquid or making liquid supercharging.It sends the mechanical energy of prime mover or other external energies to liquid, and liquid energy is increased.Pump is widely used in carrying the liquid such as water, oil, acid & alkali liquid, emulsified liquid, suspended emulsion and liquid metal, also can conveying liquid, gas mixture and containing the liquid of suspended solids.Traditional pump comprises centrifugal pump, diaphragm pump, reciprocating pump, peristaltic pump etc.In fields such as chemical industry, food, pharmacy, bioengineering, flow pulsation and flow accuracy are had higher requirements, and conventional pump cannot meet the demands completely, in use, cannot guarantee quality of product.Therefore, provide a kind of flow only relevant with rotating speed within the specific limits, and and pressure independent, and flow pulsation is little or pulseless liquor pump just becomes a kind of objective demand.
[summary of the invention]
The present invention is intended to address the above problem, and provides a kind of pressure pulsation little, and flow accuracy is high, and sterilization is convenient, long service life, and cost is low, and reliable operation and working procedure are easy to the even moving pipeline mounted pump of controlling.
For achieving the above object, the invention provides a kind of even moving pipeline mounted pump, this even moving pipeline mounted pump comprises pump case, in pump case, there is cylindric inner chamber, on the inwall of this cylindric inner chamber along the circle spacing be provided with a plurality of smooth inwardly protruded protruding curved surfaces, on pump case, between two adjacent protruding curved surfaces, be provided with four breach with pump case intracavity inter-connection, in pump case inner chamber, be provided with the central shaft with inner chamber concentric, this central shaft is connected with motor, central shaft is provided with two eccentric wheels that are the anti-phase setting of 180 degree, two eccentric wheel outsides are respectively fixed with a bearing, on two bearing outer rings, be respectively fixed with a pinch roller, between two pinch rollers and the internal chamber wall of pump case, form two gaps that along the circumferential direction change, in two gaps, be respectively equipped with the fluid-through tube of elastically deformable, two feed liquor ports of two fluid-through tubes and two fluid ports are stretched out by four breach of pump case, on pump case, be positioned at four breach outsides and be provided with filtering joint, four ports of two fluid-through tubes are connected with four sealing joints of filtering joint, described filtering joint is provided with an inlet opening and a liquid outlet opening, described inlet opening and liquid outlet opening are connected with two feed liquor ports and two fluid ports respectively, the minimum clearance place of the protruding curved surface of the internal chamber wall of described two pinch rollers and pump case is compressed fluid-through tube completely by pinch roller, liquid can not be passed through, when driven by motor central shaft rotates, described minimum clearance along the circumferential direction moves, described pinch roller is exerted pressure to liquid in pipe through fluid-through tube, both sides mineralization pressure at described minimum clearance place is poor, in low pressure one side, liquid is sucked, high pressure one side is discharged liquid, make two fluid-through tubes export pulsating flow separately and merge into ripple amplitude flow relatively uniformly at the liquid outlet opening of filtering joint.
Pump case consists of pump case main body, the first end cap, the second end cap, and wherein, the first end cap is fixed on one end of pump case main body, and the second end cap is fixed on the other end of pump case main body.
One end of central shaft is supported by the clutch shaft bearing being fixed in the first end cap, and the other end of central shaft is supported by the second bearing being fixed in the second end cap.
Described eccentric wheel is the circular wheel-shaped body that its axle center and eccentricity of central axis arrange.
Described fluid-through tube is made by elastic material.
One end of filtering joint is provided with cavity, at cavity bottom, be provided with four interfaces, four interface outsides are provided with an inlet opening and a liquid outlet opening, wherein two interfaces are connected with inlet opening, two other interface is connected with liquid outlet opening, the outlet port of described inlet opening and liquid outlet opening is respectively equipped with pipe joint, the side away from cavity at filtering joint is fixed with filtering connector cover, lower end at liquid outlet opening is provided with cross through hole, this cross through hole is by liquid outlet opening and described filtering connector cover intracavity inter-connection, the partially liq of liquid outlet opening enters in filtering connector cover inner chamber through this cross through hole.
The connection that can be superimposed with each other of a plurality of even moving pipeline mounted pumps, and parallel combination becomes coaxial pipeline mounted pump, and the pipeline mounted pump after combination shares same inlet opening and the liquid outlet opening of filtering joint.
The eccentric wheel of a plurality of even moving pipeline mounted pumps is by the phase place setting of phase place=360 ° ÷ fluid-through tube radical.
Contribution of the present invention is, it efficiently solves conventional pump cannot meet the problems such as flow pulsation and flow accuracy requirement.Even moving pipeline mounted pump of the present invention is by arranging protruding curved surface on the internal chamber wall circumference at pump case, and fluid-through tube is compressed completely by pinch roller at each protruding curved surface place, thereby both sides mineralization pressure is poor at minimum clearance place, low pressure one side sucks liquid, high pressure one side is discharged liquid, makes pressure pulsation less, and flow accuracy is higher, the working efficiency of pump is higher, and longer service life.Although the flow that two fluid-through tubes are exported separately fluctuates, but because the flow of the anti-phase setting of eccentric wheel and the output of two fluid-through tubes is by same liquid outlet opening fluid, thereby the flow that two fluid-through tubes are exported separately merges at common liquid outlet opening the flow that ripple amplitude is little, realized the relatively even of ripple amplitude.In addition, the flow of even moving pipeline mounted pump of the present invention is only relevant with rotating speed within the specific limits, and and pressure independent, be therefore easy to control and use safety.The features such as in addition, valveless on even moving pipeline mounted pump of the present invention, is therefore difficult for stopping up, and works more reliable, and the present invention also has simple in structure, easy to implement, and using scope is wide.
[accompanying drawing explanation]
Fig. 1 is profile schematic diagram of the present invention.
Fig. 2 is structure sectional view of the present invention.
Fig. 3 is that the A of Fig. 2 is to view.
Fig. 4 is pump shell structure schematic diagram of the present invention.
Fig. 5 is filtering joints schematic diagram of the present invention.
Fig. 6 is the rear view of Fig. 5.
Fig. 7 is that the B of Fig. 6 is to view.
Fig. 8 is that the C of Fig. 6 is to view.
Fig. 9 is filtering connector cover structural representation.
Figure 10 is the first end cap structural representation.
Figure 11 is the second end cover structure schematic diagram.
Figure 12 is the even moving pipeline pump structure schematic diagram of combined type of the present invention.
[embodiment]
The following example is further explanation of the present invention, and the present invention is not constituted any limitation.
Consult Fig. 1～Fig. 3, even moving pipeline mounted pump 100 of the present invention comprises pump case 10, central shaft 20, eccentric wheel 31,32, pinch roller 51,52, fluid-through tube 61,62 and filtering joint 70.
As Fig. 1～Fig. 3, this even moving pipeline mounted pump 100 comprises a steel pump case 10, and in the present embodiment, described pump case 10 is by pump case main body 12, the first end cap 13, the second end cap 14 structures.Described the first end cap 13 structures as shown in figure 10, its center has bearing hole 131, in bearing hole 131, be fixed with for supporting the bearing 132 of central shaft 20, on the end face of its side relative to pump case main body 12, be provided with U-groove bevel 133, O-ring seals is housed in it, as Fig. 2, this first end cap 13 is screwed in the upper end of pump case main body 12.As shown in figure 11, its center has bearing hole 141 to described the second end cap 14 structures, and in the present embodiment, this bearing hole 141 is blind hole, and in other embodiments, in situation about being used in combination as a plurality of even moving pipeline mounted pumps, this bearing hole 141 can be also through hole.In bearing hole 41, be fixed with for supporting the bearing 142 of central shaft 20, on the end face of its side relative to pump case main body 12, be provided with U-groove bevel 143, O-ring seals is housed in it.As Fig. 2, this second end cap 14 is screwed in the lower end of pump case main body 12.As Fig. 3, Fig. 4, in pump case 10, there is cylindric inner chamber 11, on the inwall of this cylindric inner chamber 11, be provided with a plurality of inwardly protruded protruding curved surfaces 111, a plurality of protruding curved surfaces 111 arranged along the circle spacing of interior cavity wall, in the present embodiment, the plurality of protruding curved surface 111 is smooth cambered surface, and it is for coordinating with pinch roller 51,52, forms between the internal chamber wall with pump case 10 the along the circumferential direction minimum clearance of variation.On pump case 10, be provided with four breach 121, these four breach 121 between two adjacent protruding curved surfaces 111, and with pump case intracavity inter-connection, for inserting and draw fluid-through tube 61,62.
As shown in Figure 2 and Figure 3, in pump case inner chamber 11, be provided with central shaft 20, this central shaft 20 and inner chamber concentric, and this central shaft 20 stretches out by the first end cap 13 upper ends, and be connected with motor (not shown), by motor, drive central shaft 20 rotations.In the present embodiment, be fixed with two eccentric wheels 31,32 that are the anti-phase setting of 180 degree on central shaft 20, this eccentric wheel 31,32 is circular wheel-shaped body, and its axle center and central shaft 20, not on same axis, are therefore eccentric setting.In two eccentric wheels, 31,32 outsides, by conventional method, be respectively fixed with a bearing 41,42, on two bearings, 41,42 outer rings, by conventional method, be respectively fixed with a pinch roller 51,52, this pinch roller 51,52 is annular wheel-shaped body, in embodiment shown in Fig. 2, the outer peripheral surface of this pinch roller 51,52 is recessed cambered surface.As Fig. 2, Fig. 3, between two pinch rollers 51,52 and the internal chamber wall of pump case 10, form two gap 10A, 10B, during even moving pipeline mounted pump work, the size of these two gap 10A, 10B is along the circumferential direction with the rotation of two eccentric wheels 31,32 variation that progressively expands or dwindle.In two gap 10A, 10B, be respectively equipped with the fluid-through tube 61,62 of elastically deformable, this fluid-through tube 61,62 is by high strength elastic material that can antifatigue, as the materials such as compounded rubber, high strength plastic, high-strength composit glue are made, preferred high strength compound silica gel.Two fluid-through tubes 61,62 respectively have a feed liquor port 621,622, and respectively have a fluid port 623,624, and feed liquor port 621,622 and fluid port 623,624 are stretched out by four breach 12 of pump case respectively.As Fig. 3, on pump case 10, be positioned at four breach outsides and be provided with filtering joint 70, its structure is as shown in Fig. 5～Fig. 9, this filtering joint 70 is blocks, its one end is provided with cavity 70A, at cavity bottom, be provided with four for connecting fluid-through tube 61, 62 interface 71, 72, 73, 74, in four interface outsides, be provided with an inlet opening 75 and a liquid outlet opening 76, wherein, two interfaces 71, 72 respectively with the feed liquor port 621 of two fluid-through tubes, 622 and inlet opening 75 be connected, two other interface 73, 74 respectively with the fluid port 623 of two fluid-through tubes, 624 and liquid outlet opening 76 be connected, the outlet port of described inlet opening and liquid outlet opening is respectively equipped with pipe joint 77, 78, be used for connecting liquid inlet pipe and drain pipe (not shown).The side away from cavity 70A at filtering joint 70 is fixed with filtering connector cover 79.In the lower end of liquid outlet opening 76, be provided with cross through hole 761, this cross through hole is by liquid outlet opening 76 and described filtering connector cover 79 intracavity inter-connections, the partially liq of liquid outlet opening 76 enters in filtering connector cover 79 inner chambers through this cross through hole 761, make to have liquid and pressurized air in filtering connector cover 79 inner chambers, this pressurized air is decayed the flow of even moving pipeline mounted pump output and the fluctuating range of pressure.As shown in Fig. 3, Fig. 5, the liquid entering from inlet opening 75 is entered in two fluid-through tubes 61,62 by feed liquor port 621,622 respectively, after work, by fluid port 623,624, enters liquid outlet opening 76, merges into ripple amplitude flow relatively uniformly.
Working principle of the present invention is as Fig. 2, shown in Fig. 3, described two pinch rollers 51, 52 with the minimum clearance place of the protruding curved surface 111 of the internal chamber wall of pump case by pinch roller 51, 52 by fluid-through tube 61, 62 compress completely, liquid can not be passed through, when driven by motor central shaft 20 rotates, described minimum clearance along the circumferential direction moves, described pinch roller 51, 52 through fluid-through tube 61, 62 pairs of liquid in pipe are exerted pressure, both sides mineralization pressure at described minimum clearance place is poor, in low pressure one side, liquid is sucked, high pressure one side is discharged liquid, make two fluid-through tubes 61, 62 pulsating flows separately of exporting are merged into the relative flow uniformly of ripple amplitude at the inlet opening 75 of filtering joint 70 with liquid outlet opening 76.
More specifically, as Fig. 2, Fig. 3, when two eccentric wheels 31,32 turn to, two pinch rollers 51,52 of its outside form the minimum clearance with the internal chamber wall of pump case at the protruding curved surface of each of pump case 10 111 places, two pinch rollers 51,52 are minimum clearance apart from the corresponding position of each protruding curved surface 111 of the farthest in central shaft 20 centers of circle and the inner chamber of pump case.In the present embodiment, this minimum clearance should be less than the twice of fluid-through tube 61,62 wall thickness.When driven by motor central shaft 20 rotates, described phase difference is that the minimum clearance of 180 degree along the circumferential direction moves, described pinch roller 51, 52 pairs of fluid-through tubes 61, liquid in 62 is exerted pressure, at described minimum clearance place, pinch roller 51, 52 by described fluid-through tube 61, 62 compress completely, liquid can not be passed through, both sides mineralization pressure at described minimum clearance place is poor, in low pressure one side, liquid is sucked, high pressure one side is discharged liquid, although the flow that two fluid-through tubes are exported separately fluctuates, but because the flow of the anti-phase setting of eccentric wheel and the output of two fluid-through tubes is by same liquid outlet opening 76 fluids, thereby the flow that two fluid-through tubes are exported is separately merged into the little or pulseless flow of ripple amplitude at common liquid outlet opening 76.
As shown in figure 12, in other embodiments, the above-mentioned even moving pipeline mounted pump of the present invention even moving pipeline mounted pump of combined type that also one-tenth capable of being combined contains described a plurality of even moving pipeline mounted pump 100, specifically as shown in figure 11, described even moving pipeline mounted pump 100 is superimposed with each other vertically and is connected, its common center axle 20, filtering joint 70 and same inlet opening 75 and liquid outlet opening 76.In this embodiment, the eccentric phase place of a plurality of even moving pipeline mounted pumps 100 is pressed formula: phase place=360 ° ÷ fluid-through tube radical calculates, and while being 4 as fluid-through tube, the phase place between four eccentric wheels is 90 °.
Although the present invention is disclosed by above embodiment, protection scope of the present invention is not limited to this, is not departing under the condition of the present invention's design, and the distortion that above each member is done, replacement etc. all will fall within the scope of claim of the present invention.
Claims (8)
1. an even moving pipeline mounted pump, it is characterized in that, this even moving pipeline mounted pump (100) comprises pump case (10), in pump case (10), there is cylindric inner chamber (11), on the inwall of this cylindric inner chamber (11) along the circle spacing be provided with a plurality of smooth inwardly protruded protruding curved surfaces (111), between upper two the adjacent protruding curved surfaces (111) of pump case (10), be provided with four breach (121) with pump case intracavity inter-connection, in pump case inner chamber (11), be provided with the central shaft (20) with inner chamber concentric, this central shaft (20) is connected with motor, central shaft (20) is provided with two eccentric wheels (31 that are the anti-phase setting of 180 degree, 32), two eccentric wheels (31, 32) outside is respectively fixed with a bearing (41, 42), at two bearings (41, 42) on outer ring, be respectively fixed with a pinch roller (51, 52), two pinch rollers (51, 52) form two gap (10A that along the circumferential direction change and between the internal chamber wall of pump case (10), 10B), at two gap (10A, 10B), be respectively equipped with the fluid-through tube (61 of elastically deformable, 62), two fluid-through tubes (61, 62) two feed liquor ports (621, 622) and two fluid ports (623, 624) four breach (12) by pump case stretch out, and be positioned at four breach outsides and be provided with filtering joint (70), four ports (621 of two fluid-through tubes on pump case (10), 622, 623, 624) with four interfaces (71 of filtering joint (70), 72, 73, 74) be tightly connected, described filtering joint (70) is provided with an inlet opening (75) and a liquid outlet opening (76), described inlet opening (75) and liquid outlet opening (76) respectively with two feed liquor ports (621, 622) and two fluid ports (623, 624) be connected, described two pinch rollers (51, 52) with the minimum clearance place of the protruding curved surface (111) of the internal chamber wall of pump case by pinch roller (51, 52) by fluid-through tube (61, 62) compress completely, liquid can not be passed through, when driven by motor central shaft (20) rotates, described minimum clearance along the circumferential direction moves, described pinch roller (51, 52) through fluid-through tube (61, 62) liquid in pipe is exerted pressure, poor at the both sides mineralization pressure at described minimum clearance place, in low pressure one side, liquid is sucked, high pressure one side is discharged liquid, makes two fluid-through tubes (61, 62) export pulsating flow separately and merge into ripple amplitude flow relatively uniformly at the liquid outlet opening (76) of filtering joint (70).
2. even moving pipeline mounted pump as claimed in claim 1, it is characterized in that, described pump case (10) consists of pump case main body (12), the first end cap (13), the second end cap (14), wherein, the first end cap (13) is fixed on one end of pump case main body (12), and the second end cap (14) is fixed on the other end of pump case main body (12).
3. even moving pipeline mounted pump as claimed in claim 2, it is characterized in that, one end of described central shaft (20) is by clutch shaft bearing (21) supporting being fixed in the first end cap (13), and the other end of central shaft is by the second bearing (22) supporting of being fixed in the second end cap (14).
4. even moving pipeline mounted pump as claimed in claim 1, is characterized in that, described eccentric wheel (31,32) is the circular wheel-shaped body of its axle center and central shaft (20) eccentric setting.
5. even moving pipeline mounted pump as claimed in claim 1, is characterized in that, described fluid-through tube (61,62) is made by elastic material.
6. even moving pipeline mounted pump as claimed in claim 1, it is characterized in that, one end of described filtering joint (70) is provided with cavity (70A), at cavity bottom, be provided with four interfaces (71, 72, 73, 74), four interface outsides are provided with an inlet opening (75) and a liquid outlet opening (76), two interfaces (71 wherein, 72) be connected with inlet opening (75), two other interface (73, 74) be connected with liquid outlet opening (76), the outlet port of described inlet opening and liquid outlet opening is respectively equipped with pipe joint (77, 78), the side away from cavity (70A) at filtering joint is fixed with filtering connector cover (79), in the lower end of liquid outlet opening (76), be provided with cross through hole (761), this cross through hole is by liquid outlet opening (76) and described filtering connector cover (79) intracavity inter-connection, the partially liq of liquid outlet opening (76) enters in filtering connector cover (79) inner chamber through this cross through hole (761).
7. even moving pipeline mounted pump as claimed in claim 1, it is characterized in that, a plurality of even moving pipeline mounted pumps (100) connection that can be superimposed with each other, and parallel combination becomes coaxial pipeline mounted pump (200), the pipeline mounted pump after combination (200) shares same inlet opening (75) and the liquid outlet opening (76) of filtering joint (70).
8. even moving pipeline mounted pump as claimed in claim 7, is characterized in that, the eccentric wheel of a plurality of even moving pipeline mounted pumps (100) is by the phase place setting of phase place=360 ° ÷ fluid-through tube radical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410243605.3A CN104061141B (en) | 2014-06-04 | 2014-06-04 | Even dynamic pipeline pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410243605.3A CN104061141B (en) | 2014-06-04 | 2014-06-04 | Even dynamic pipeline pump |
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| Publication Number | Publication Date |
|---|---|
| CN104061141A true CN104061141A (en) | 2014-09-24 |
| CN104061141B CN104061141B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410243605.3A Active CN104061141B (en) | 2014-06-04 | 2014-06-04 | Even dynamic pipeline pump |
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| Country | Link |
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| CN (1) | CN104061141B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567822A (en) * | 2016-11-04 | 2017-04-19 | 肖立峰 | Pipeline membrane pump |
| WO2018082066A1 (en) * | 2016-11-04 | 2018-05-11 | 肖立峰 | Pipeline diaphragm pump |
| CN113027736A (en) * | 2021-05-19 | 2021-06-25 | 楚天源创生物技术(长沙)有限公司 | Infusion pump |
| CN113560050A (en) * | 2020-04-29 | 2021-10-29 | 路达(厦门)工业有限公司 | Water outlet device, shower head, spray gun and faucet |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09177677A (en) * | 1995-12-25 | 1997-07-11 | Nagao Tamagawa | Tube pump |
| KR20030063981A (en) * | 2002-01-25 | 2003-07-31 | 박종국 | Hose pump |
| CN1789712A (en) * | 2004-12-16 | 2006-06-21 | 李辉 | Double eccentric wheel type hose pump |
| JP2007198149A (en) * | 2006-01-24 | 2007-08-09 | Aquatech:Kk | Tube pump |
| CN200946560Y (en) * | 2006-07-25 | 2007-09-12 | 河南省耿力机电发展有限公司 | Double-link extrusion type grouting pump |
| CN101078398A (en) * | 2007-07-03 | 2007-11-28 | 周天清 | Rolling extrusion soft variable-volume fluid mechanical device |
-
2014
- 2014-06-04 CN CN201410243605.3A patent/CN104061141B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09177677A (en) * | 1995-12-25 | 1997-07-11 | Nagao Tamagawa | Tube pump |
| KR20030063981A (en) * | 2002-01-25 | 2003-07-31 | 박종국 | Hose pump |
| CN1789712A (en) * | 2004-12-16 | 2006-06-21 | 李辉 | Double eccentric wheel type hose pump |
| JP2007198149A (en) * | 2006-01-24 | 2007-08-09 | Aquatech:Kk | Tube pump |
| CN200946560Y (en) * | 2006-07-25 | 2007-09-12 | 河南省耿力机电发展有限公司 | Double-link extrusion type grouting pump |
| CN101078398A (en) * | 2007-07-03 | 2007-11-28 | 周天清 | Rolling extrusion soft variable-volume fluid mechanical device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567822A (en) * | 2016-11-04 | 2017-04-19 | 肖立峰 | Pipeline membrane pump |
| WO2018082066A1 (en) * | 2016-11-04 | 2018-05-11 | 肖立峰 | Pipeline diaphragm pump |
| CN113560050A (en) * | 2020-04-29 | 2021-10-29 | 路达(厦门)工业有限公司 | Water outlet device, shower head, spray gun and faucet |
| CN113560050B (en) * | 2020-04-29 | 2023-08-15 | 路达(厦门)工业有限公司 | Water outlet device, shower head, spray gun and faucet |
| CN113027736A (en) * | 2021-05-19 | 2021-06-25 | 楚天源创生物技术(长沙)有限公司 | Infusion pump |
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|---|---|
| CN104061141B (en) | 2016-08-24 |
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Effective date of registration: 20220713 Address after: 410600 no.197, section 4, Jinzhou Avenue, Ningxiang Economic and Technological Development Zone, Changsha City, Hunan Province Patentee after: Chutianyuanchuang Biotechnology (Changsha) Co.,Ltd. Address before: 518000 11 5A, Yujing East, Nanshan District, Shenzhen, Guangdong Patentee before: Xiao Lifeng |
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