CN110332104B - Metering pump of anti-seizure electric quantity adjusting mechanism - Google Patents
Metering pump of anti-seizure electric quantity adjusting mechanism Download PDFInfo
- Publication number
- CN110332104B CN110332104B CN201910749857.6A CN201910749857A CN110332104B CN 110332104 B CN110332104 B CN 110332104B CN 201910749857 A CN201910749857 A CN 201910749857A CN 110332104 B CN110332104 B CN 110332104B
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- screw rod
- quantity adjusting
- adjusting screw
- metering pump
- shaft
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- 230000007246 mechanism Effects 0.000 title claims abstract description 40
- 230000000573 anti-seizure effect Effects 0.000 title claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 230000000903 blocking effect Effects 0.000 abstract description 7
- 239000004519 grease Substances 0.000 abstract description 7
- 230000001050 lubricating effect Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 230000008878 coupling Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 206010015866 Extravasation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036251 extravasation Effects 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
- 230000008569 process Effects 0.000 description 1
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
- 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
- F04B49/125—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 by changing the eccentricity of the actuation means, e.g. cams or cranks, relative to the driving means, e.g. driving shafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a metering pump of an anti-seizure electric quantity adjusting mechanism, and relates to the technical field of metering pumps. The invention comprises an electric actuator, wherein the coupler is in clearance fit with the quantity adjusting screw rod through a flat wire structure; an oil seal structure is arranged between the connecting cover and the quantity adjusting screw rod, and the connecting cover is in clearance fit with the quantity adjusting screw rod; the oil seal structure comprises an O-shaped sealing ring; the quantity adjusting screw rod is connected with the movable shaft through a movable shaft-screw rod connecting mechanism. According to the invention, through changing the connection mode of the screw rod coupler part and the structural form of the oil seal structure, the traditional flat key connection is canceled, the flat wire structure is made, and the clearance fit is adopted, the lubricating grease is coated, so that the blocking probability of up-and-down sliding in rotation is reduced; and plays a role in guiding one end; at oil blanket structure department to O type circle is main seal structure, adopts clearance fit to reduce the card resistance probability as far as possible, increases the running stability of electronic volume metering pump, and simple structure, convenient maintenance.
Description
Technical Field
The invention belongs to the technical field of metering pumps, and particularly relates to a metering pump of an anti-seizing electric quantity adjusting mechanism.
Background
Flow regulation of metering pumps is limited by the cross-sectional area of the plunger, the distance of travel of the reciprocation, and the number of reciprocation per unit time. After the production and manufacture of one metering pump are finished, the sectional area of the metering pump cannot be changed, and the flow can be changed only in two ways:
1. The frequency is changed through the variable frequency motor, and the rotating speed is indirectly changed, so that the reciprocating times in unit time are changed, and the flow output in unit time is changed;
2. the flow in unit time is changed by changing the distance of single reciprocation.
The mechanism for changing the reciprocating distance utilizes a connecting rod eccentric mechanism to further change the reciprocating distance, and the eccentric distance is manually adjusted from early stage to electric adjustment, but the phenomenon of seizure during electric adjustment often occurs.
The metering pump of the anti-seizure electric quantity adjusting mechanism is provided, and the problems are solved.
Disclosure of Invention
The invention aims to provide a metering pump of an anti-seizure electric quantity adjusting mechanism, which adopts clearance fit by changing the connection mode of a screw rod coupler part and the structural form of an oil seal structure, so that the blocking probability is reduced as much as possible, and the running stability of the electric quantity adjusting metering pump is improved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
The invention relates to a metering pump of an anti-seizure electric quantity adjusting mechanism, which comprises an electric actuator, wherein the electric actuator is connected with a quantity adjusting screw rod through a coupler, and the coupler is in clearance fit with the quantity adjusting screw rod through a flat wire structure; a connecting cover sleeved on the circumference of the quantity adjusting screw rod is fixedly arranged on the electric actuator; the end part of the connecting cover is provided with a quantity adjusting seat; the measuring adjusting seat is connected with a hollow shaft sleeved on the periphery of the movable shaft through a bearing; an oil seal structure is arranged between the connecting cover and the quantity adjusting screw rod, and the connecting cover is in clearance fit with the quantity adjusting screw rod; the oil seal structure comprises an O-shaped sealing ring; the end part of the quantity adjusting screw rod is provided with a movable shaft which is arranged in the hollow shaft in a sliding way; the quantity adjusting screw rod is connected with the movable shaft through a movable shaft-screw rod connecting mechanism; the circumference of the hollow shaft is provided with a turbine, and the turbine is meshed with a worm; a connecting rod-eccentric block mechanism is arranged on the periphery of the hollow shaft; the connecting rod-eccentric block mechanism is connected with a sliding rod through a connecting pin; the movable shaft is provided with a sliding block in a sliding manner, the conventional flat key connection is canceled on a screw rod coupler matching structure of the electric actuator, the flat wire structure is manufactured, and the sliding block probability of sliding up and down during rotation is reduced by adopting clearance fit and lubricating grease coating, and the guiding function of one end is achieved.
Further, a threaded hole is formed in the quantity adjusting seat, and the quantity adjusting seat is matched with the quantity adjusting screw rod through the threaded hole; the volume adjusting screw rod is fixed by matching the surface screw thread with the screw thread of the volume adjusting seat, and when the volume adjusting screw rod rotates, the screw thread drives the whole to move up and down, so that the volume adjusting screw rod moves up and down, the movable shaft is driven to move up and down along the inside of the hollow shaft, and finally the change of the reciprocating stroke is changed.
Further, the oil seal structure comprises a sealing shaft sleeve, and the sealing shaft sleeve is connected with a stepped shaft at the end part of the quantity adjusting screw rod through a positioning pin; the O-shaped sealing ring is sleeved in the sealing groove of the sealing shaft sleeve; and in the oil seal structure, the O-shaped sealing ring is used as a main sealing structure, and the O-shaped sealing ring fixing piece matched with the O-shaped sealing ring is in clearance fit, so that the blocking probability is reduced.
Further, the connecting rod-eccentric block mechanism comprises a connecting rod and an eccentric block, the connecting rod is of a circular ring structure, the inner ring of the connecting rod is connected with the eccentric block through a cylindrical roller bearing, the eccentric block is of a circular plate structure, a rectangular groove is formed in the eccentric block, the eccentric block is matched with the movable shaft through the rectangular groove, the plunger-connecting rod part connected with the sliding block can change in reciprocating stroke during reciprocating motion, the single flow is changed, the unit time is further changed, and when the device is used by a user, the flow required by the user is adjusted according to actual situation.
Further, the movable shaft-screw rod connecting mechanism comprises a fastening screw and two thrust ball bearings; the two thrust ball bearings are arranged on the periphery of the fastening screw and the quantity adjusting screw rod.
Further, the coupling is in clearance fit with the connecting cover, a spline is arranged on the periphery of the coupling, and the connecting cover is fixedly connected with the electric actuator through a bolt.
Further, the volume adjusting seat is sleeved on the periphery of the connecting cover, and the end part of the connecting cover is fixedly connected with the volume adjusting seat through bolts.
Further, the bearing between the volume adjusting seat and the hollow shaft adopts a deep groove ball bearing, so that a sealing effect is achieved, and grease is placed to leak.
The invention has the following beneficial effects:
According to the invention, through changing the connection mode of the screw rod coupler part and the structural form of the oil seal structure, the conventional flat key connection is canceled on the screw rod coupler matching structure of the electric actuator, the flat wire structure is made, and the gap fit is adopted to coat lubricating grease, so that the blocking probability of up-and-down sliding in rotation is reduced. And plays a role in guiding one end; at oil blanket structure department, regard as major seal structure with O type circle, the O type circle mounting that cooperates with it adopts clearance fit, reduces the card probability as far as possible, increases the running stability of electronic volume metering pump of transferring, and simple structure, convenient maintenance.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the metering structure of an anti-seize electric quantity adjusting mechanism of the present invention;
FIG. 2 is a front view of the structure of FIG. 1;
FIG. 3 is a schematic diagram of the internal structure of the metering of the anti-seize electric metering mechanism of the present invention;
FIG. 4 is a schematic structural view of a connecting cover and an oil seal structure in the present invention;
FIG. 5 is a schematic view of a movable shaft-screw connection mechanism according to the present invention;
FIG. 6 is a schematic view of a movable shaft according to the present invention;
FIG. 7 is a schematic view of the structure of the movable shaft according to the present invention;
FIG. 8 is a schematic view of the structure of the movable shaft and the slider according to the present invention;
FIG. 9 is a schematic view of the hollow mandrel of the present invention;
FIG. 10 is a schematic view of a coupling according to the present invention;
FIG. 11 is a schematic view of the structure of the coupling and flat wire of the present invention;
FIG. 12 is a schematic view of a seal sleeve according to the present invention;
fig. 13 is a schematic structural view of an eccentric mass in the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
The device comprises a 1-electric actuator, a 2-connecting cover, a 3-volume adjusting seat, a 4-worm, a 5-connecting rod-eccentric block mechanism, a 6-hollow shaft, a 7-sliding rod, an 8-turbine, a 9-oil seal structure, a 10-moving shaft-screw rod connecting mechanism, a 11-moving shaft, a 12-sliding block, a 13-bearing, a 14-volume adjusting screw rod, a 15-coupling, a 16-flat wire structure, a 17-sealing shaft sleeve and an 18-eccentric block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "gap," "top," "middle," "sleeve," "inner," "peripheral," "side," "end," "bottom," and the like indicate an orientation or positional relationship, merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the components or elements being referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-13, the invention discloses a metering pump of an anti-seizing electric quantity adjusting mechanism, which comprises an electric actuator, wherein the electric actuator 1 is connected with a quantity adjusting screw rod 14 through a coupler 15, and the coupler 15 is in clearance fit with the quantity adjusting screw rod 14 through a flat wire structure 16; a connecting cover 2 sleeved on the circumference side of the quantity adjusting screw rod 14 is fixedly arranged on the electric actuator 1; the end part of the connecting cover 2 is provided with a quantity adjusting seat 3; the volume adjusting seat 3 is connected with a hollow shaft 6 sleeved on the periphery of the movable shaft 11 through a bearing 13; an oil seal structure 9 is arranged between the connecting cover 2 and the quantity adjusting screw rod 14, and the connecting cover 2 is in clearance fit with the quantity adjusting screw rod 14; the oil seal structure 9 comprises an O-shaped sealing ring; the end part of the quantity adjusting screw rod 14 is provided with a movable shaft 11 which is arranged in the hollow shaft 6 in a sliding way; the quantity adjusting screw rod 14 is connected with the movable shaft 11 through a movable shaft-screw rod connecting mechanism 10; a turbine 8 is arranged on the periphery of the hollow shaft 6, and a worm 4 is meshed with the turbine 8; a connecting rod-eccentric block mechanism 5 is arranged on the periphery of the hollow shaft 6; the connecting rod-eccentric block mechanism 5 is connected with a sliding rod 7 through a connecting pin; the movable shaft 11 is provided with a sliding block 12 in a sliding manner, and on a structure matched with a screw rod coupler 15 of the electric actuator 1, the conventional flat key connection is canceled, a flat wire structure is formed, and the sliding block probability of sliding up and down during rotation is reduced by adopting clearance fit and lubricating grease coating, and the guiding function of one end is achieved.
As shown in fig. 3, a threaded hole is formed in the quantity adjusting seat 3, and the quantity adjusting seat 3 is matched with the quantity adjusting screw rod 14 through the threaded hole; the volume adjusting screw rod 14 is fixed by matching the surface screw thread with the screw thread of the volume adjusting seat 3, and when the volume adjusting screw rod rotates, the screw thread drives the whole to move up and down, so that the volume adjusting screw rod 14 moves up and down, thereby driving the movable shaft 11 to move up and down along the inside of the hollow shaft 6, and finally changing the change of the reciprocating stroke.
As shown in fig. 3-4, the oil seal structure 9 comprises a sealing shaft sleeve 17, and the sealing shaft sleeve 17 is connected with a stepped shaft at the end part of the quantity adjusting screw rod 14 through a locating pin; the O-shaped sealing ring is sleeved in a sealing groove of the sealing shaft sleeve 17; and in the oil seal structure 9, the O-shaped sealing ring is used as a main sealing structure, and the O-shaped sealing ring fixing piece matched with the O-shaped sealing ring is in clearance fit, so that the blocking probability is reduced.
As shown in fig. 1-3 and 6-8, the connecting rod-eccentric block mechanism 5 comprises a connecting rod and an eccentric block 18, the connecting rod is in a circular ring structure, an inner ring of the connecting rod is connected with the eccentric block 18 through a cylindrical roller bearing 13, the eccentric block 18 is in a circular plate structure, a rectangular groove is formed in the eccentric block 18, the eccentric block 18 is matched with the movable shaft 11 through the rectangular groove, one end of the sliding block 12 is flat, a chute matched with the sliding block 12 on the movable shaft 11 is arranged obliquely, a plunger-connecting rod part connected with the sliding block 12 can change in reciprocating stroke during reciprocating motion, the single flow rate is changed, the unit time is further changed, and when the device is used by a user, the flow rate required by the user is adjusted according to actual situation.
Wherein, as shown in fig. 5, the movable shaft-screw rod connecting mechanism 10 comprises a fastening screw and two thrust ball bearings 13; two thrust ball bearings 13 are provided on the peripheral side of the tightening screw and the metering screw rod 14.
As shown in fig. 1-3 and 10-11, the coupling 15 is in clearance fit with the connection cover 2, splines are arranged on the periphery of the coupling 15, and the connection cover 2 is fixedly connected with the electric actuator 1 through bolts.
As shown in fig. 3, the volume adjusting seat 3 is sleeved on the peripheral side of the connecting cover 2, the end part of the connecting cover 2 is fixedly connected with the volume adjusting seat 3 through a bolt, a deep groove ball bearing is adopted as a bearing 13 between the volume adjusting seat 3 and the hollow shaft 6, the sealing effect is achieved, and grease is placed to leak.
One specific application of this embodiment is:
A metering pump of an anti-seizing electric quantity adjusting mechanism is characterized in that a screw rod coupler 15 matched with an electric actuator 1 is connected with a quantity adjusting screw rod in a part which is connected with a flat key in the past and is adjusted to be in clearance fit with a flat wire structure 16. And guarantee that the measuring pump can be installed vertically, horizontal, prevent the extravasation of quick-witted incasement oil, increased oil blanket mechanism 9, and with electronic volume adjustment connecting cover 9 clearance fit, rely on O shape sealing washer to seal. The quantity adjusting screw rod 14 is fixedly connected with the movable shaft 11 through a movable shaft-screw rod connecting mechanism; and the screw thread on the quantity adjusting screw rod 14 is matched with the screw thread on the quantity adjusting seat 3; when the electric actuator 1 receives a signal, the internal structure rotates, the flat wire structure 16 of the coupler 15 drives the quantity adjusting screw rod 14 to rotate together, and at the moment, the quantity adjusting screw rod 14 and the threaded matching surface of the quantity adjusting seat 3 enable the quantity adjusting screw rod 14 to move up and down, so that the movable shaft 11 is driven to move up and down along the inside of the hollow shaft 6, and under the up and down movement of the movable shaft 11, the sliding block 12 moves left and right relatively along the track of the movable shaft 11, and the eccentric distance between the sliding block and the hollow shaft 6 is increased; when the plunger-connecting rod part connected with the slide block 12 reciprocates, the reciprocating stroke changes, the single flow rate is changed, and the unit time is changed; when the user uses the device, the flow required by the user is adjusted according to the actual situation.
The structure point which is easy to cause the seizure occurs in the adjusting process of the adjusting screw 14, and because the adjusting screw 14 is too long, more parts are matched with the adjusting screw, and sealing treatment is needed. The design starting point is to make the mating surface as rich as possible, and the important point is to prevent excessive mating. The structure matched with the screw rod coupler 15 of the electric actuator 1 cancels the prior flat key connection, is made into a flat wire structure, adopts clearance fit and is coated with lubricating grease, thereby reducing the blocking probability of sliding up and down during rotation and playing a role in guiding one end; at the oil seal structure 9, an O-shaped sealing ring is used as a main sealing structure, and an O-shaped sealing ring fixing piece matched with the O-shaped sealing ring is in clearance fit, so that the blocking probability is reduced; the other end of the volume adjusting screw rod 14 is matched and fixed with the screw thread of the volume adjusting seat 3 by virtue of the surface screw thread, and the screw thread drives the whole to move up and down by virtue of rotation; eventually changing the change in the reciprocating stroke.
This electronic volume structure of adjusting mainly changes the connected mode of lead screw shaft coupling part, and the structural style of oil blanket structure, all adopts clearance fit, reduces the card probability as far as possible, increases the running stability of electronic volume metering pump of adjusting, and simple structure, convenient maintenance.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. The utility model provides a prevent dead electronic volume of transfer mechanism's of bite metering pump, includes electric actuator, its characterized in that:
The electric actuator (1) is connected with a quantity adjusting screw rod (14) through a coupler (15), and the coupler (15) is in clearance fit with the quantity adjusting screw rod (14) through a flat wire structure (16);
a connecting cover (2) sleeved on the circumference of the quantity adjusting screw rod (14) is fixedly arranged on the electric actuator (1);
the end part of the connecting cover (2) is provided with a quantity adjusting seat (3);
the volume adjusting seat (3) is connected with a hollow shaft (6) sleeved on the periphery of the movable shaft (11) through a bearing (13);
An oil seal structure (9) is arranged between the connecting cover (2) and the quantity adjusting screw rod (14), and the connecting cover (2) is in clearance fit with the quantity adjusting screw rod (14);
the oil seal structure (9) comprises an O-shaped sealing ring;
the end part of the quantity adjusting screw rod (14) is provided with a movable shaft (11) which is arranged in the hollow shaft (6) in a sliding way;
Wherein the quantity adjusting screw rod (14) is connected with the movable shaft (11) through a movable shaft-screw rod connecting mechanism (10);
A turbine (8) is arranged on the periphery of the hollow shaft (6), and a worm (4) is meshed with the turbine (8);
a connecting rod-eccentric block mechanism (5) is arranged on the periphery of the hollow shaft (6);
the connecting rod-eccentric block mechanism (5) is connected with a sliding rod (7) through a connecting pin;
wherein a sliding block (12) is arranged on the movable shaft (11) in a sliding way;
the inside of the volume adjusting seat (3) is provided with a threaded hole, and the volume adjusting seat (3) is matched with the volume adjusting screw rod (14) through the threaded hole;
The oil seal structure (9) comprises a sealing shaft sleeve (17), and the sealing shaft sleeve (17) is connected with a stepped shaft at the end part of the quantity adjusting screw rod (14) through a locating pin;
The O-shaped sealing ring is sleeved in a sealing groove of the sealing shaft sleeve (17);
the connecting rod-eccentric block mechanism (5) comprises a connecting rod and an eccentric block (18).
2. The metering pump of an anti-seizing electric quantity adjusting mechanism according to claim 1, characterized in that the connecting rod is of a circular ring structure, and the inner ring of the connecting rod is connected with the eccentric block (18) through a cylindrical roller bearing (13).
3. The metering pump of an anti-seizing electric quantity adjusting mechanism according to claim 1, characterized in that the eccentric block (18) is of a circular plate type structure, a rectangular groove is formed in the eccentric block (18), and the eccentric block (18) is matched with the movable shaft (11) through the rectangular groove.
4. Metering pump of an anti-seize electric quantity-regulating mechanism according to claim 1, characterized in that the mobile shaft-screw rod connection (10) comprises a fastening screw, two thrust ball bearings (13); the two thrust ball bearings (13) are arranged on the periphery sides of the fastening screw and the quantity adjusting screw rod (14).
5. The metering pump of the anti-seizure electric quantity adjusting mechanism according to claim 1, characterized in that the coupler (15) is in clearance fit with the connecting cover (2), a spline is arranged on the periphery of the coupler (15), and the connecting cover (2) is fixedly connected with the electric actuator (1) through a bolt.
6. The metering pump of the anti-seizure electric quantity adjusting mechanism according to claim 1, characterized in that the quantity adjusting seat (3) is sleeved on the periphery of the connecting cover (2), and the end part of the connecting cover (2) is fixedly connected with the quantity adjusting seat (3) through bolts.
7. Metering pump of an anti-seize electric metering mechanism according to claim 1, characterized in that the bearing (13) between the metering seat (3) and the hollow shaft (6) is a deep groove ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910749857.6A CN110332104B (en) | 2019-08-14 | 2019-08-14 | Metering pump of anti-seizure electric quantity adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910749857.6A CN110332104B (en) | 2019-08-14 | 2019-08-14 | Metering pump of anti-seizure electric quantity adjusting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110332104A CN110332104A (en) | 2019-10-15 |
| CN110332104B true CN110332104B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910749857.6A Active CN110332104B (en) | 2019-08-14 | 2019-08-14 | Metering pump of anti-seizure electric quantity adjusting mechanism |
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| Country | Link |
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| CN (1) | CN110332104B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4629402A (en) * | 1984-11-19 | 1986-12-16 | Lift Technology, Inc. | Valve assembly |
| SU1312243A1 (en) * | 1985-02-14 | 1987-05-23 | Институт Химии Башкирского Филиала Ан Ссср | Pump |
| CN1748083A (en) * | 2003-02-11 | 2006-03-15 | 甘瑟-许德罗玛格股份公司 | High pressure pump |
| CN201358898Y (en) * | 2009-01-22 | 2009-12-09 | 罗献尧 | Mechanical digital displaying metering pump |
| 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 |
| CN103946546A (en) * | 2012-10-23 | 2014-07-23 | 松下电器产业株式会社 | Rotary compressor |
| CN210343667U (en) * | 2019-08-14 | 2020-04-17 | 德帕姆(杭州)泵业科技有限公司 | Metering pump of anti-seize electric metering mechanism |
-
2019
- 2019-08-14 CN CN201910749857.6A patent/CN110332104B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4629402A (en) * | 1984-11-19 | 1986-12-16 | Lift Technology, Inc. | Valve assembly |
| SU1312243A1 (en) * | 1985-02-14 | 1987-05-23 | Институт Химии Башкирского Филиала Ан Ссср | Pump |
| CN1748083A (en) * | 2003-02-11 | 2006-03-15 | 甘瑟-许德罗玛格股份公司 | High pressure pump |
| CN201358898Y (en) * | 2009-01-22 | 2009-12-09 | 罗献尧 | Mechanical digital displaying metering pump |
| 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 |
| CN103946546A (en) * | 2012-10-23 | 2014-07-23 | 松下电器产业株式会社 | Rotary compressor |
| 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 |
| CN210343667U (en) * | 2019-08-14 | 2020-04-17 | 德帕姆(杭州)泵业科技有限公司 | Metering pump of anti-seize electric metering mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110332104A (en) | 2019-10-15 |
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