CN113266546A - Metering pump with chute transmission type plunger stroke adjusting mechanism - Google Patents
Metering pump with chute transmission type plunger stroke adjusting mechanism Download PDFInfo
- Publication number
- CN113266546A CN113266546A CN202110574431.9A CN202110574431A CN113266546A CN 113266546 A CN113266546 A CN 113266546A CN 202110574431 A CN202110574431 A CN 202110574431A CN 113266546 A CN113266546 A CN 113266546A
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- chute
- main shaft
- metering pump
- groove
- eccentric wheel
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- 230000007246 mechanism Effects 0.000 title claims abstract description 77
- 230000005540 biological transmission Effects 0.000 title claims abstract description 27
- 238000009434 installation Methods 0.000 claims description 10
- 230000005012 migration Effects 0.000 claims description 3
- 238000013508 migration Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- 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
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
-
- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/12—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members
- F04B49/123—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members by changing the eccentricity of one element relative to another element
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention belongs to the field of metering pumps, and particularly relates to a metering pump with a chute transmission type plunger stroke adjusting mechanism, which comprises a pump body, wherein a worm gear driving mechanism, an eccentric slewing mechanism, a plunger reciprocating mechanism, a stroke adjusting mechanism and a diaphragm pump head mechanism are arranged on the pump body in a matching manner, the eccentric slewing mechanism comprises a main shaft, an eccentric wheel, an adjusting mandrel and a transmission pin, a through chute is formed in the adjusting mandrel, a through groove corresponding to the chute is formed in the main shaft, two sides of the eccentric wheel are respectively arranged in mounting holes corresponding to the through groove and the chute, and the transmission pin is inserted in the chute, the through groove and the two mounting holes. The position of the eccentric wheel in the eccentric slewing mechanism is adjusted through the stroke adjusting mechanism so as to realize adjustment of the stroke of the plunger, and the eccentric wheel and the adjusting mandrel are driven by adopting a driving pin and chute structure, so that the structure is simpler, the processing is easier, and the driving is more stable.
Description
Technical Field
The invention belongs to the field of metering pumps, and particularly relates to a metering pump with a chute transmission type plunger stroke adjusting mechanism.
Background
Metering pumps are one type of fluid delivery machine that are characterized by the ability to maintain a constant flow rate independent of discharge pressure. The metering pump can simultaneously complete the functions of conveying, metering and adjusting, thereby simplifying the production process flow. By using a plurality of metering pumps, several media can be input into the process flow according to an accurate proportion for mixing. Due to its own prominence, metering pumps are now widely used in various industrial fields such as petrochemical industry, pharmaceutical industry, food industry, and the like. The metering pump generally comprises a worm and gear driving mechanism, an eccentric slewing mechanism, a plunger reciprocating mechanism, a stroke adjusting mechanism and a diaphragm mechanism, wherein the worm and gear driving mechanism drives the eccentric slewing mechanism to move, an eccentric wheel of the eccentric slewing mechanism drives a plunger in the plunger reciprocating mechanism to reciprocate, the plunger drives a diaphragm of the diaphragm mechanism to deform, and the deformation of the diaphragm can change the volume of a pump cavity, so that the aim of conveying a medium is fulfilled.
The stroke adjusting device commonly adopted in the traditional metering pump has the defects of low accuracy, low overload capacity and the like. Chinese patent publication No. CN203321767U discloses an adjustable metering pump, the metering pump adjusting device includes an adjusting seat 600, an adjusting handwheel 602, an adjuster core 607, an eccentric wheel 603 and an eccentric rod 604, the eccentric rod 604 and the eccentric wheel 603 are connected in a sleeved manner, the eccentric wheel 603 is provided with a limit guide bolt 608, the eccentric rod 604 is provided with a limit guide slot 609, the limit guide bolt 608 and the limit guide slot 609 are connected in a matched manner, one end of the eccentric rod 604 is connected in a matched manner with the adjuster core 607, and the adjuster core 607 is sleeved on the adjusting seat 600. Although the adjusting device can adjust the stroke of the plug and meet the requirements of precision and overload capacity, the adjusting device has the problems of complex structure and difficult screw machining.
Chinese patent publication No. CN208845331U discloses a stroke adjusting mechanism for a vertical metering pump, which includes a threaded bushing fixedly connected to a metering pump, the threaded bushing has a threaded lead screw connected to a main shaft of the metering pump through a threaded connection inside, a cavity is formed at a connection pipe diameter of the threaded lead screw and the threaded bushing, an axial scale is fixedly connected to an outer wall of the threaded bushing, a dial seat and an operating hand wheel are fixedly connected to an end of the threaded lead screw penetrating the threaded bushing through a screw, a circumferential scale cylinder is fixedly connected to an inner side of the dial seat, and an axial scale is fixedly connected to an outer side of the threaded bushing. Although the stroke adjusting mechanism of the vertical metering pump can overcome the defects, the threaded screw rod is directly locked in a jacking mode of the jacking block, the jacking block and the threaded screw rod are abraded in the mode, and the service life of the threaded screw rod can be influenced.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides a metering pump technical scheme with a chute transmission type plunger stroke adjusting mechanism.
The metering pump with the chute transmission type plunger stroke adjusting mechanism comprises a pump body, wherein a worm gear driving mechanism, an eccentric swing mechanism, a plunger reciprocating mechanism, a stroke adjusting mechanism and a diaphragm pump head mechanism are installed on the pump body in a matched mode, the eccentric swing mechanism comprises a main shaft, an eccentric wheel, an adjusting mandrel and a transmission pin, the eccentric wheel is sleeved on the main shaft and can move along the radial direction of the main shaft, the adjusting mandrel is inserted in an inner cavity of the main shaft and can move along the axial direction of the main shaft, a through inclined chute is formed in the adjusting mandrel, a through groove corresponding to the position of the inclined chute is formed in the main shaft, two sides of the eccentric wheel are respectively arranged in mounting holes corresponding to the positions of the through groove and the inclined chute, the transmission pin is inserted in the inclined chute, the through groove and the two mounting holes, and when the stroke adjusting mechanism drives the adjusting mandrel to move axially relative to the main shaft, the inclined chute of the adjusting mandrel can drive the transmission pin and the eccentric wheel to move radially relative to the main shaft, so that the stroke of the plunger is adjusted. The metering pump with the chute transmission type plunger stroke adjusting mechanism is characterized in that first flat grooves communicated with the through grooves are formed in two sides of the main shaft, so that plane blocks with two planar side surfaces are formed at corresponding positions of the main shaft, second flat grooves corresponding to the plane blocks and communicated with the two mounting holes are formed in the eccentric wheel, and the second flat grooves are buckled with the plane blocks and are in sliding connection.
The metering pump with the chute transmission type plunger stroke adjusting mechanism is characterized in that the second flat groove extends from one side of the eccentric wheel to the center of the eccentric wheel.
The metering pump with the chute transmission type plunger stroke adjusting mechanism is characterized in that fourth flat grooves are formed in two sides of the adjusting mandrel respectively and are attached to the second flat grooves, and the inclined sliding grooves penetrate through the fourth flat grooves in the two sides.
The metering pump with the chute transmission type plunger stroke adjusting mechanism is characterized in that third flat grooves are formed in two sides of the transmission pin respectively and are in sliding fit with the inclined chutes of the adjusting mandrel.
The metering pump with the chute-driven plunger stroke adjusting mechanism is characterized in that the stroke adjusting mechanism comprises an installation seat assembly, a threaded lead screw and a first handle, wherein the installation seat assembly is used for being installed in a matched mode with a pump body, the threaded lead screw is matched with the installation seat assembly in a threaded mode and is installed with an adjusting mandrel in a rotating mode, the first handle is installed in a matched mode with the threaded lead screw, the threaded lead screw is used for driving the adjusting mandrel to axially move relative to a main shaft, the locking mechanism comprises a locking nut and a locking rod, the locking nut is matched with the locking nut in the threaded lead screw in a threaded mode, the locking rod is provided with a blind hole, and the locking rod is inserted into the blind hole towards one end of the locking nut and tightly supports the locking nut so that the locking of the threaded lead screw is achieved.
The metering pump with the chute transmission type plunger stroke adjusting mechanism is characterized in that the lower end of the locking rod is sleeved with a shaft clamp, and the shaft clamp is used for being in limit fit with the inner wall of the mounting seat component.
The metering pump with the chute transmission type plunger stroke adjusting mechanism is characterized in that when the locking rod is in a state of tightly pushing a locking nut, the distance between the shaft clamp and the inner wall of the mounting seat component is smaller than the length of the locking rod extending into the blind hole.
The metering pump with the chute transmission type plunger stroke adjusting mechanism is characterized in that a second handle is installed at the upper end of the locking rod in a matched mode.
The metering pump with the chute transmission type plunger stroke adjusting mechanism is characterized in that a first end cover is installed on the installation seat assembly in a matched mode, and the locking rod is matched with the first end cover in a threaded connection mode.
The invention has the advantages that:
1) the position of an eccentric wheel in the eccentric slewing mechanism is adjusted through the stroke adjusting mechanism so as to realize adjustment of the stroke of the plunger, and the eccentric wheel and the adjusting mandrel are driven by adopting a driving pin and chute structure, so that the structure is simpler, the processing is easier, and the driving is more stable;
2) the main shaft, the eccentric wheel, the adjusting mandrel and the transmission pin are all provided with flat groove structures, and the structural design can reduce the volume of the eccentric slewing mechanism, so that the structure is more compact;
3) the locking rod and the locking nut are matched for use, so that the purpose of locking the threaded screw rod is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a second schematic cross-sectional view of the present invention;
FIG. 5 is a schematic view of the eccentric rotary mechanism according to the present invention;
FIG. 6 is a schematic front view of the spindle of the present invention;
FIG. 7 is a schematic sectional view of the spindle of the present invention;
FIG. 8 is a schematic front view of the eccentric wheel according to the present invention;
FIG. 9 is a schematic top view of the eccentric wheel of the present invention;
FIG. 10 is a schematic top view of an adjustment mandrel according to the present invention;
FIG. 11 is a front view of the adjusting spindle of the present invention;
FIG. 12 is a front view of the drive pin of the present invention;
fig. 13 is a schematic top view of the driving pin of the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
The invention will be further explained with reference to the drawings.
As shown in the figure, a metering pump with chute transmission formula plunger stroke adjustment mechanism, including the pump body 1, cooperation installation worm gear actuating mechanism 2, eccentric rotation mechanism 3, plunger reciprocating mechanism 4, stroke adjustment mechanism 5 and diaphragm pump head mechanism on the pump body 1, eccentric rotation mechanism 3 includes main shaft 300, eccentric wheel 301, adjusting mandrel 302 and driving pin 303, eccentric wheel 301 cup joint in on the main shaft 300 and can follow the radial horizontal migration of main shaft 300, adjusting mandrel 302 inserts and joins in marriage in the inner chamber of main shaft 300 and can be along main shaft 300 axial displacement, set up the oblique spout 30200 that link up on the adjusting mandrel 302, set up the logical groove 30000 that corresponds with oblique spout 30200 position on the main shaft 300, eccentric wheel 301 both sides set up respectively in with lead to mounting hole 30100 that the groove 30000 and oblique spout 30200 position correspond, two mounting holes 30100 are the through-hole, the driving pin 303 is inserted into the inclined sliding groove 30200, the through groove 30000, and the two mounting holes 30100, and when the stroke adjusting mechanism 5 drives the adjusting spindle 302 to axially move relative to the main shaft 300, the inclined sliding groove 30200 of the adjusting spindle 302 can drive the driving pin 303 and the eccentric wheel 301 to radially move relative to the main shaft, so as to adjust the stroke of the plunger.
As an optimization: two sides of the main shaft 300 are provided with first flat grooves 30001 communicated with the through grooves 30000, so that a plane block 30002 with two plane side surfaces is formed at the corresponding part of the main shaft 300, the eccentric wheel 301 is provided with second flat grooves 30101 corresponding to the plane block 30002 and communicated with the two mounting holes 30100, and the second flat grooves 30101 are buckled with the plane block 30002 and are in sliding connection. Wherein, the second flat slot 30101 extends from one side of the eccentric wheel 301 to the center of the eccentric wheel 301.
Furthermore, a fourth flat groove 30201 is respectively formed on two sides of the adjusting spindle 302, the inclined sliding groove 30200 penetrates through the fourth flat grooves 30201 on the two sides, and the fourth flat groove 30201 is attached to the second flat groove 30101.
As an optimization: a third flat groove 30300 is respectively formed on two sides of the driving pin 303, and the third flat groove 30300 is in sliding fit with the inclined sliding groove 30200 of the adjusting spindle 302. The driving pin 303 is shielded by a crank sleeved outside the eccentric wheel, so that the driving pin 303 is prevented from being separated.
As an optimization: the stroke adjusting mechanism 5 comprises an installation seat assembly which is used for being installed in a matched mode with the pump body 1, a threaded screw rod 504 which is in threaded fit with the installation seat assembly and is installed in a rotating mode with the adjusting spindle 302, and a first handle 505 which is installed in a matched mode with the threaded screw rod 504, the threaded screw rod is used for driving the adjusting spindle 50302 to move axially relative to the spindle 50300, the locking mechanism comprises a locking nut 506 which is in threaded fit with the threaded screw rod 504 and a locking rod 507 which is in threaded fit with the installation seat assembly, a blind hole 600 is formed in the locking nut 506, and one end, facing the locking nut 506, of the locking rod 507 is inserted into the blind hole 50600 and abuts against the locking nut 506, so that locking of the threaded screw rod 504 is achieved.
Further, the mounting seat assembly includes a first mounting seat 502 for fitting with the pump body 1 and a second mounting seat 503 for fitting with the first mounting seat 502. The first handle 505 is installed in a matching manner with the threaded screw 504 through a second end cap 50100, and the second end cap 50100 covers the main body of the second installation seat 503.
In the above structure, the second end cap 50100 can play a role of dust prevention.
Further, a first end cap 509 is fittingly mounted on the mounting seat assembly, and the locking rod 507 is threadedly fitted with the first end cap 509.
Further, the lower end of the locking rod 507 is sleeved with a shaft clamp 508, and the shaft clamp 508 is used for limiting and matching with the inner wall of the first end cover 509. When the locking rod 507 is in a state of tightly pushing the locking nut 506, the distance between the shaft clamp 508 and the inner wall of the first end cap 509 is less than the length of the locking rod 507 extending into the blind hole 50600.
In the above structure, the shaft clamp 508 and the distance between the shaft clamp and the inner wall of the first end cap 509 are set to prevent the locking rod 507 from being removed from the blind hole 50600.
Further, a second handle is fittingly installed on the upper end of the locking lever 507.
In the above structure, the second handle is provided to facilitate the rotation of the locking lever 507.
When the stroke of the metering pump is adjusted, the locking rod 507 is unscrewed to prevent the locking rod 507 from jacking the locking nut 506, so that the threaded screw rod 504 can move smoothly, the first handle 505 is rotated, the first handle 505 drives the threaded screw rod 504 to rotate, the threaded screw rod 505 moves axially, and the threaded screw rod 505 drives the adjusting mandrel 302 to move axially relative to the main shaft 300, because the adjusting mandrel 302 can only move axially, the eccentric wheel 301 and the transmission pin 303 can only move radially by taking the main shaft 300 as a reference, the inclined chute 30200 of the adjusting mandrel 302 can drive the transmission pin 303 and the eccentric wheel 301 to move radially relative to the main shaft, and therefore the adjustment of the plunger stroke is realized. During movement of the threaded screw 504, the lock nut 506 remains stationary as the threaded screw 504 moves, since the lock nut 506 is in a positive fit with the lock bar 507 through the blind hole 50600. When the threaded screw 504 needs to be locked, the locking rod 507 is screwed down, the locking rod 507 pushes the locking nut 506 tightly, and the threaded screw 504 is pressed through the locking nut 506, so that the threaded screw 504 is locked.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a metering pump with chute transmission formula plunger stroke adjustment mechanism, includes the pump body (1), cooperation installation worm gear actuating mechanism (2), eccentric rotation mechanism (3), plunger reciprocating mechanism (4), stroke adjustment mechanism (5) and diaphragm pump head mechanism on the pump body (1), its characterized in that eccentric rotation mechanism (3) are including main shaft (300), eccentric wheel (301), regulation dabber (302) and driving pin (303), eccentric wheel (301) cup joint in on main shaft (300) and can follow main shaft (300) radial horizontal migration, regulation dabber (302) are inserted and are joined in marriage in the inner chamber of main shaft (300) and can follow main shaft (300) axial migration, set up logical groove (30200) that link up on regulation dabber (302), set up logical groove (30000) that correspond with oblique spout (30200) position on main shaft (300), two sides of the eccentric wheel (301) are respectively arranged in mounting holes (30100) corresponding to the through groove (30000) and the inclined sliding groove (30200), the transmission pin (303) is inserted in the inclined sliding groove (30200), the through groove (30000) and the two mounting holes (30100), and when the stroke adjusting mechanism (5) drives the adjusting mandrel (302) to axially move relative to the main shaft (300), the inclined sliding groove (30200) of the adjusting mandrel (302) can drive the transmission pin (303) and the eccentric wheel (301) to radially move relative to the main shaft, so that the plunger stroke can be adjusted.
2. The metering pump with the chute-driven plunger stroke adjusting mechanism as claimed in claim 1, wherein the two sides of the main shaft (300) are provided with first flat grooves (30001) communicated with the through grooves (30000), so that the corresponding part of the main shaft (300) forms a plane block (30002) with two plane sides, the eccentric wheel (301) is provided with second flat grooves (30101) corresponding to the plane block (30002) and communicated with the two mounting holes (30100), and the second flat grooves (30101) are buckled with the plane block (30002) and are in sliding connection.
3. A metering pump with a chute-driven plunger stroke adjustment mechanism according to claim 2, characterized in that the second flat groove (30101) extends from the eccentric wheel (301) side to the eccentric wheel (301) center.
4. The metering pump with the chute-driven plunger stroke adjusting mechanism as claimed in claim 2, characterized in that a fourth flat groove (30201) is respectively formed on both sides of the adjusting spindle (302), the fourth flat groove (30201) is attached to the second flat groove (30101), and the chute (30200) penetrates through the fourth flat grooves (30201) on both sides.
5. A metering pump with a chute-driven plunger stroke adjusting mechanism according to claim 1, characterized in that a third flat groove (30300) is respectively opened at both sides of the driving pin (303), and the third flat groove (30300) is in sliding fit with the inclined chute (30200) of the adjusting spindle (302).
6. A metering pump with a chute-driven plunger stroke adjusting mechanism according to any one of claims 1 to 5, characterized in that the stroke adjusting mechanism (5) comprises a mounting seat assembly for fitting with the pump body (1), a threaded lead screw (504) screw-fitted to the mounting seat assembly and rotatably mounted with the adjusting spindle (302), and a first handle (505) fitted to the threaded lead screw (504) for driving the adjusting spindle (50302) to axially move relative to the spindle (50300), the locking mechanism comprises a lock nut (506) screw-fitted to the threaded lead screw (504) and a locking rod (507) screw-fitted to the mounting seat assembly, the lock nut (506) is provided with a blind hole (600), the locking rod (507) is inserted into the blind hole (50600) towards one end of the lock nut (506) and is pressed against the lock nut (506), so as to realize the locking of the threaded screw rod (504).
7. The metering pump with the chute-driven plunger stroke adjusting mechanism as claimed in claim 6, wherein the lower end of the locking rod (507) is sleeved with a shaft clamp (508), and the shaft clamp (508) is used for being in limit fit with the inner wall of the mounting seat assembly.
8. The metering pump with the chute-driven plunger stroke adjusting mechanism as claimed in claim 7, wherein when the locking rod (507) is in a state of tightly pushing the locking nut (506), the distance between the shaft clamp (508) and the inner wall of the mounting seat assembly is less than the length of the locking rod (507) extending into the blind hole (50600).
9. Metering pump with chute-driven plunger stroke adjustment mechanism according to claim 6, characterized in that the upper end of the locking lever (507) is fitted with a second handle.
10. A metering pump with a chute-driven plunger stroke adjustment mechanism according to claim 6, characterized in that a first end cap (509) is fitted on the mounting seat assembly, and the locking rod (507) is threadedly fitted with the first end cap (509).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110574431.9A CN113266546A (en) | 2021-05-25 | 2021-05-25 | Metering pump with chute transmission type plunger stroke adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110574431.9A CN113266546A (en) | 2021-05-25 | 2021-05-25 | Metering pump with chute transmission type plunger stroke adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113266546A true CN113266546A (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110574431.9A Pending CN113266546A (en) | 2021-05-25 | 2021-05-25 | Metering pump with chute transmission type plunger stroke adjusting mechanism |
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| Country | Link |
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| CN (1) | CN113266546A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3974714A (en) * | 1974-10-01 | 1976-08-17 | Lewa Herbert Ott Kommanditgesellschaft | Pump driving mechanism with adjustable stroke |
| CN2637766Y (en) * | 2003-08-02 | 2004-09-01 | 王华跃 | Flow quantity regulatable hydraulic diaphragm metering pump |
| CN2775344Y (en) * | 2005-02-05 | 2006-04-26 | 罗献尧 | Quantity regulating mechanism for metering pump |
| CN1796786A (en) * | 2004-12-28 | 2006-07-05 | 浙江工业大学 | Stroke control mechanism of metering pump |
| CN201531385U (en) * | 2009-09-17 | 2010-07-21 | 德帕姆(杭州)泵业科技有限公司 | Measuring pump for sleeve type regulating mechanism |
| CN103362769A (en) * | 2012-03-26 | 2013-10-23 | 德帕姆(杭州)泵业科技有限公司 | Metering pump with entire solid eccentric wheel travel adjustment mechanism |
| CN103758741A (en) * | 2014-02-12 | 2014-04-30 | 浙江力高泵业科技有限公司 | Metering pump crankshaft mechanism capable of allowing stroke to be freely adjusted |
| CN106930933A (en) * | 2017-05-22 | 2017-07-07 | 德帕姆(杭州)泵业科技有限公司 | The tune amount retaining mechanism of measuring pump |
-
2021
- 2021-05-25 CN CN202110574431.9A patent/CN113266546A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3974714A (en) * | 1974-10-01 | 1976-08-17 | Lewa Herbert Ott Kommanditgesellschaft | Pump driving mechanism with adjustable stroke |
| CN2637766Y (en) * | 2003-08-02 | 2004-09-01 | 王华跃 | Flow quantity regulatable hydraulic diaphragm metering pump |
| CN1796786A (en) * | 2004-12-28 | 2006-07-05 | 浙江工业大学 | Stroke control mechanism of metering pump |
| CN2775344Y (en) * | 2005-02-05 | 2006-04-26 | 罗献尧 | Quantity regulating mechanism for metering pump |
| CN201531385U (en) * | 2009-09-17 | 2010-07-21 | 德帕姆(杭州)泵业科技有限公司 | Measuring pump for sleeve type regulating mechanism |
| CN103362769A (en) * | 2012-03-26 | 2013-10-23 | 德帕姆(杭州)泵业科技有限公司 | Metering pump with entire solid eccentric wheel travel adjustment mechanism |
| CN103758741A (en) * | 2014-02-12 | 2014-04-30 | 浙江力高泵业科技有限公司 | Metering pump crankshaft mechanism capable of allowing stroke to be freely adjusted |
| CN106930933A (en) * | 2017-05-22 | 2017-07-07 | 德帕姆(杭州)泵业科技有限公司 | The tune amount retaining mechanism of measuring pump |
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Application publication date: 20210817 |