CN106640612A - Valveless micro pump with manually adjustable strokes - Google Patents
Valveless micro pump with manually adjustable strokes Download PDFInfo
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- CN106640612A CN106640612A CN201611093098.5A CN201611093098A CN106640612A CN 106640612 A CN106640612 A CN 106640612A CN 201611093098 A CN201611093098 A CN 201611093098A CN 106640612 A CN106640612 A CN 106640612A
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- Prior art keywords
- plunger
- manually adjustable
- free pump
- cylinder body
- valve free
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention provides a valveless micro pump with manually adjustable strokes. The pump comprises a shell body, a motor, a cylinder and a trunk piston. The motor is fixedly connected with the top of the shell body. An output shaft of the motor is connected with the trunk piston. The trunk piston protrudes into the cylinder. A convex part is formed on one side of the shell body. The valveless micro pump also comprises a manual regulating mechanism and an angle adjustment linkage mechanism. The manual regulating mechanism passes through the convex part, and can move up-and-down in the convex part. One side of the angle adjustment linkage mechanism is connected with the manual regulating mechanism, and the other side of the angle adjustment linkage mechanism is connected with the bottom edge of the shell body. The shell body is arranged on the angle adjustment linkage mechanism. The angle adjustment linkage mechanism is used for adjusting the angle between the trunk piston and the motor output shaft. The valveless micro pump with manually adjustable strokes can achieve the stroke adjustment by only manual operation without the necessity of using professional tools, and has the advantages of being simple and convenient to operate, simple in structure and low in cost.
Description
Technical field
The present invention relates to have electrically driven liquid pump technical field, a kind of manually adjustable stroke is specifically referred to
Valve free pump.
Background technology
Existing valve free pump technology mainly has two kinds in terms of stroke is adjusted, and one kind is to need professional tool to adjust punching
Journey, inconvenience, the such as valveless pump of FMI when adjusting and changing stroke；Another kind is that have complicated adjustment structure, relatively costly,
Complex operation, while need professional tool to fix, such as the valveless plunger displacement pump of Guangzhou Xue Ba special equipments Co., Ltd, Application No.
CN201520236856。
The content of the invention
It is an object of the invention to solve the above problems and propose a kind of valve free pump of manually adjustable stroke, the valveless
Micropump is manually capable of achieving the regulation of its stroke, it is not necessary to simple to operation by professional tool, additionally, of the invention
It is also equipped with simple structure, the advantage of low cost.
To achieve these goals, the technical scheme that the present invention takes is as follows：
The present invention proposes a kind of valve free pump of manually adjustable stroke, including housing, motor, cylinder body and plunger, the motor
The top of housing is fixedly connected on, the output shaft of the motor is connected to plunger, and the plunger is stretched within cylinder body, the housing
Side be provided with protuberance, the valve free pump also includes：Manual adjustment means, the manual adjustment means run through the protrusion
Portion and arrange and can move up and down within the protuberance；Angular adjustment linkage, the angular adjustment linkage
One end is connected to manual adjustment means, and the other end is connected to the edge of the bottom of housing, and the cylinder body is adjusted located at the angle
On section linkage, the angle that the angular adjustment linkage is used between pilot plunger and the output shaft of the motor.
In one of which embodiment, the angular adjustment bindiny mechanism includes connecting rod and bearing plate, the connecting rod
One end is connected to manual adjustment means, and the other end of the connecting rod is connected to one end of bearing plate, the other end of the bearing plate
It is connected to the edge of the bottom of housing.
In one of which embodiment, the bearing plate include long slab and with the vertically disposed short slab of the long slab, institute
State long slab and be connected to connecting rod, the short slab is connected to the edge of the bottom of housing.
In one of which embodiment, the medium position of the long slab is provided with an opening, and the cylinder body is arranged at long slab
On and at opening, the plunger is through the opening and stretches to cylinder interior.
In one of which embodiment, the manual adjustment means include nut and the screw rod being fixedly connected with nut,
The nut can be moved up and down by rotation within protuberance.
In one of which embodiment, the valve free pump also includes Space Rotating mechanism, the Space Rotating mechanism
It is arranged at the inside of the housing and is connected with the output shaft of the motor, the plunger is arranged within Space Rotating mechanism,
The output shaft drives the plunger rotation by Space Rotating mechanism.
In one of which embodiment, the Space Rotating mechanism includes transmission ring, oscillating bearing, adapting rod and switching
Plate, the transmission ring is fixedly connected on the output shaft, and the oscillating bearing is fixed at the side wall of the transmission ring, described turn
A little inclining for extension bar is inserted within the oscillating bearing, and the other end of the adapting rod is vertically connected at the pinboard, institute
State pinboard and be connected to plunger.
In one of which embodiment, the transmission ring is cylindrical, and one end of the transmission ring is fixedly connected on institute
Output shaft is stated, the other end of the transmission ring is provided with cylinder open, and the side wall of the cylinder open is provided with for installing
The installing hole of oscillating bearing is stated, the oscillating bearing, adapting rod and pinboard are opened within cylinder open and in cylinder
Rotation in mouthful.
In one of which embodiment, one end that the plunger is stretched into the cylinder body is provided with breach.
In one of which embodiment, the size of the liquid inlet and outlet on the size of the breach and the cylinder body and enter,
Circumferential distance between liquid outlet is adapted.
Beneficial effects of the present invention：
1. the present invention builds and adjusts the plunger of cylinder interior and the output shaft of motor by arranging angular adjustment linkage
Between angle carry out stroke of the pilot plunger in cylinder interior, in addition, angular adjustment linkage is connected to manual adjustment means,
The change that manual adjustment structure is capable of achieving above-mentioned angle is manually adjusted, the stroke of pump is changed then, whole process need not
By special work, adjust simple and convenient；
2. the simple structure of the present invention, connects reliable.
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the accompanying drawing of embodiment will be simply situated between below
Continue, it should be apparent that, drawings in the following description merely relate to some embodiments of the present invention, rather than limitation of the present invention.
Description of the drawings
The embodiments of the present invention are read with reference to the drawings, other features and advantages of the present invention will be better understood,
Accompanying drawing described here is intended merely to the purpose schematically illustrated to embodiments of the present invention, and not all possible reality
Apply, and be not intended to limit the scope of the present invention.In the accompanying drawings：
Fig. 1 shows a kind of structural representation of the valve free pump of manually adjustable stroke of the present invention；
Fig. 2 shows a kind of sectional view of the valve free pump of manually adjustable stroke of the present invention.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
1- housings, 2- motors, 3- cylinder bodies, 4- plungers, 5- manual adjustment means, 6- angular adjustment linkages, 7- Space Rotatings
Mechanism, 11- protuberances, 21- output shafts, 41- breach, 51- nuts, 52- screw rods, 61- connecting rods, 62- bearing plates, 71- transmission rings,
72- oscillating bearings, 73- adapting rods, 74- pinboards, 621- long slabs, 622- short slabs, 711- cylinder opens, 712- installing holes,
6211- is open.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
It should be noted that the feature in the embodiment and embodiment in the application can be mutually combined to form the present invention
Other embodiment within protection domain.
As background technology is introduced, traditional valve free pump, on the one hand can be by means of special to carry out the regulation of stroke
Industry instrument, causes inconvenience when adjusting and change stroke, on the other hand can be completed by complicated adjustment structure, and it brings into
This higher, defect of complex operation, for this purpose, being directed to above-mentioned deficiency of the prior art, the present invention proposes one kind and can adjust manually
The valve free pump of section stroke.
As shown in Figure 1-2, embodiments in accordance with the present invention, propose in the present embodiment a kind of manually adjustable stroke
Valve free pump, including housing 1, motor 2, cylinder body 3 and plunger 4, housing 1 plays a part of to support and connect whole valve free pump,
Motor 2 is fixedly connected on the top of housing 1 by screw, and the output shaft 21 of motor 2 stretches out and be connected to plunger from inside housing 1
4, and plunger 4 is then stretched within cylinder body 3, in order to realize the adjustable valve free pump of stroke, the present invention is by arranging angle for the present invention
Adjust linkage 6 and carry out adjustable column to build and adjust the angle between the plunger 4 inside cylinder body 3 and the output shaft 21 of motor 2
4 strokes inside cylinder body 3 of plug, in addition, angular adjustment linkage 6 is connected to manual adjustment means 5, manually adjust hand
Dynamic adjustment structure 5 i.e. be capable of achieving above-mentioned angle change, then change pump stroke, whole process without special work,
Adjust simple and convenient.Above-mentioned technical proposal and advantage is described more detail below.
Fig. 2 is refer to, in the present embodiment, the side of housing 1 is provided with protuberance 11, and valve free pump also includes regulation manually
Mechanism 5 and angular adjustment linkage 6.
Wherein, manual adjustment means 5 through the protuberance 11 arrange and can within the protuberance 11 on move down
It is dynamic；One end of angular adjustment linkage 6 is connected to manual adjustment means 5, and the other end is connected to the edge of the bottom of housing 1
Place, cylinder body 3 then on the angular adjustment linkage 6, angular adjustment linkage 6 be used for pilot plunger 4 with it is described
Angle between the output shaft 21 of motor 2.
So far, the angle between the output shaft 21 between plunger 4 and motor 2 builds and completes, then is adjusted manually by adjusting
Mechanism 5 drives the motion of angular adjustment linkage 6 to be capable of achieving the regulation of above-mentioned corner dimension.In the present embodiment, as general
The angle of above-mentioned angle from it is little be adjusted to big when, then plunger 4 also becomes therewith big in the corresponding stroke in the inside of cylinder body 3, and vice versa.Tool
Body adjusts process as mentioned below.
In a specific embodiment of the present invention, above-mentioned angular adjustment bindiny mechanism 6 includes connecting rod 61 and bearing plate 62,
One end of connecting rod 61 is connected to manual adjustment means 5, and the other end of connecting rod 61 is then connected to one end of bearing plate 62, bearing plate 62
The other end be connected to housing 1 bottom edge, above-mentioned bearing plate 62 is then provided with cylinder body 3.
Thus, the up and down motion of manual adjustment means 5 is transformed to by angular adjustment by the effect of connecting rod 61 and connects machine
The swing of structure 6, so that the plunger 4 inside cylinder body 3 and the angle between the output shaft 21 of motor 2 are adjustable.Specifically, tune is worked as
When section manual adjustment means 5 are down moved within the protuberance 11 of housing 1, the connecting rod being joined directly together with manual adjustment means 5
61 can press down then so that the cylinder body 3 being arranged on bearing plate 62 deflects, most at last plunger 4 and output shaft 21 it
Between angle adjust to required size.
Refer to Fig. 1 or Fig. 2, in one embodiment of the invention, above-mentioned bearing plate 62 include long slab 621 and with it is described
The vertically disposed short slab 622 of long slab 621, the long slab 621 is connected to connecting rod 61, and the short slab 622 is connected to the bottom of housing 1
Edge, bearing plate 62 on the whole be " L " shape, further, the medium position of long slab 621 is provided with an opening 6211, described
Cylinder body 3 is arranged on long slab 621 and at opening 6211, and the plunger 4 is through the opening 6211 and stretches to cylinder body 3
It is internal.
So far understand, one end of the angular adjustment bindiny mechanism 6 of the present invention is connected to the edge of the bottom of housing 1, and its is another
End is then connected to manual adjustment means 5 so that the bearing plate 62 of angular adjustment bindiny mechanism 6 is covered in housing 1 as " cap "
Bottom, by adjust manual adjustment means 5 up and down motion be capable of achieving bearing plate 62 open and close movement, so as to adjust bearing plate
Angle between angle between 62 long slab 621 and housing 1, i.e. plunger 4 and output shaft 21, is finally completed plunger 4 in cylinder body 3
Internal stroke is adjusted, and whole process completes to manually complete, simple to operation.
In a preferred embodiment of the invention, above-mentioned manual adjustment means 5 can be come with nut 51 and screw rod 52
Complete.Specifically, one can be set with female endoporus, nut 51 is screwed in protrusion in the medium position of protuberance 11
Within the endoporus in portion 11, then screw rod 52 is fixedly connected on into the end of nut 51, by rotating nut head nut 51 can be caused
Move up and down in endoporus, then lead-screw 52 is moved up and down, angular adjustment bindiny mechanism 5 is moved,
Reach the effect for adjusting aforementioned angular.
By the way that in sum, the present invention so far possesses the function of " pump ", and the stroke of the pump can be adjusted manually
To complete, the function of " valve " of the invention will be then illustrated below.
Valve free pump " valve " function is the plunger by pump itself realizing, is this it is required that plunger 4 can be produced
Rotation.Understand as aforementioned, due to there is angle between the output shaft 21 of plunger 4 and motor 2, if being directly connected to output shaft 21
Plunger 4, is on the one hand difficult to ensure that the reliability of connection, affects rotates effe, if being on the other hand directly connected to output shaft 21
Plunger 4 cannot complete to realize motion of the plunger 4 in cylinder body 3, it is impossible to complete the function of " pump ".Therefore, in order to have above-mentioned two concurrently
Function is planted, the present invention is provided with Space Rotating mechanism 7, is rotation a range of in space by the point translating rotation of output shaft 21
Turn, simultaneously because the presence of angle, you can realize on the basis of rotation, completing the stretching motion in rigid body of plunger 4, make
Of the invention must have " pump " and " valve " two kinds of functions concurrently.
With further reference to Fig. 2, the valve free pump of the present invention also includes Space Rotating mechanism 7, and Space Rotating mechanism 7 is arranged
It is connected in the inside of the housing 1 and with the output shaft 21 of the motor 2, plunger 4 is arranged within Space Rotating mechanism 7, defeated
Shaft 21 drives plunger 4 to rotate by Space Rotating mechanism 7.In the present embodiment, plunger 4 stretches into the one end in the cylinder body 3
Breach 41 is provided with, the breach 41 realizes the conducting with the liquid inlet and outlet of cylinder body 3 and closure with the rotation of plunger 4, realizes then
The function of " valve " of the invention.
Specifically, above-mentioned Space Rotating mechanism 7 includes transmission ring 71, oscillating bearing 72, adapting rod 73 and pinboard 74, passes
Rotating ring 71 is fixedly connected on the output shaft 21, and output shaft 21 drives transmission ring 71 to rotate, joint shaft 72 hold be fixed at it is above-mentioned
The side wall of transmission ring 71 enables oscillating bearing 72 to rotate with the rotation of transmission ring 71, and one end of adapting rod 73 inclines
Insert within the oscillating bearing 72, the other end of adapting rod 73 is vertically connected at the pinboard 74, and pinboard 74 is fixed again
It is connected to one end that plunger 4 is not extended into cylinder body 3.
With reference to as described before, after the fixed position of manual adjustment means 5 to is adjusted, between plunger 4 and output shaft 21
Angle be fixed, now, after motor 2 is started, the output shaft 21 of motor 2 drives the rotation of transmission ring 71, then band
Movable joint bearing 72 is rotating with transmission ring 71, the rotation of further drive adapting rod 73 and pinboard 74, final band
The rotation of dynamic plunger 4 so that plunger 4 stretch to breach 41 on the one end inside cylinder body 3 can with the rotation of plunger 4 according to
The conducting of the secondary circulative liquid inlet and outlet with cylinder body 3 and closure, it is achieved thereby that the function of " valve " of the invention.
Used as a preferred embodiment of the present invention, above-mentioned transmission ring 71 is cylindrical, and one end of transmission ring 71 is fixedly connected
In the output shaft 21, cylinder open 711 is provided with the other end of transmission ring 71, the cylinder open 711 forms an appearance
Receive space, be it is aforementioned be that a range of rotation provides the foundation in space by a translating rotation, additionally, cylinder open
711 side wall is provided with the installing hole 712 for installing the oscillating bearing 72, above-mentioned oscillating bearing 72, adapting rod 73 and switching
The rotation within cylinder open 711 and in cylinder open 711 of plate 74.
Thus, valve free pump of the invention possess traditional valve free pump institute it is functional, additionally, the present invention possesses biography
The incomparable advantage of system valve free pump：
1. the present invention can also manually adjust stroke, it is not necessary to professional tool, simple to operation；
2. present configuration is simple, and cost is relatively low.
In order to more be apparent from technical scheme, the motion process of the present invention will be made briefly below
It is bright.
Before starting motor, it is assumed that plunger 4 stretches into the breach 41 of that one end of the inside of cylinder body 3 just to the feed liquor of cylinder body 3
Mouthful, and the state with liquid outlet in being not turned on, after starting motor 2, the one side of plunger 4 rotates along certain direction, it is assumed that along inverse
Hour hands rotate, now above-mentioned breach 41 slowly drift out inlet, at the same time, plunger 4 open cylinder body 3 cause the He of plunger 4
Volume between cylinder body 3 slowly increases, and when rotation is to 90 degree, plunger 4 is in the first limiting condition, and the performance of the state is,
Volume between plunger 4 and cylinder body 3 is maximum, and at most, and above-mentioned breach 41 is in will be with feed liquor for the liquid of the inside of cylinder body 4 suction
Mouth closing and the critical condition turned on liquid outlet；Next, plunger 4 continues to rotate, now, above-mentioned breach 41 is with inlet not
Conducting, with liquid outlet conducting, at the same time, the volume between plunger 4 and cylinder body 3 is slowly reduced, when rotation is to 180 degree, post
Plug 4 is in the second limiting condition, and the performance of the state is, the breach 41 of plunger 4 just to liquid outlet, and between plunger 4 and cylinder body 3
Volume it is minimum；Plunger 4 continues to rotate, and the breach 41 of plunger 4 slowly drifts out liquid outlet, when rotation is to 270 degree, plunger 4
In the 3rd limiting condition, the performance of the state is, breach 41 with inlet conducting and with liquid outlet closing in will face
Volume between boundary's state, and plunger 4 and cylinder body 3 is minimum, and the liquid of the inside of cylinder body 3 suction is all extruded；Plunger 4 continues to revolve
Turn, the breach 41 of plunger 4 again slowly with inlet conducting, and with liquid outlet closing, when rotation is to 360 degree, plunger 4
In original position." pump " and " valve " dual-use function of the present invention is realized in and so on circulation.
Be to the description of each embodiment of the invention above for a better understanding of the present invention, what it was merely exemplary,
And be not intended to limit the invention.It should be noted that in the above description, describe for a kind of embodiment and/or illustrate
Feature can be in same or similar mode used in one or more other embodiments, in other embodiment
Feature is combined, or substitutes the feature in other embodiment.It will be understood by those skilled in the art that without departing from the present invention's
In the case of inventive concept, for the variations and modifications that embodiment described above is carried out, belong to the present invention's
In the range of.
Mention in above example " on ", D score, " top ", the description such as " bottom " be to define according to common meaning
, such as, the definition of the direction of reference to gravitational, the direction of gravity is lower section, and contrary direction is top, similarly up be
Top or top, in lower section is bottom or bottom；Alleged " top ", the " " top in bottom and accompanying drawing in above example
Portion ", " direction of bottom is consistent, is also only and is easy to narration to understand, and is not used to limit enforceable scope of the invention, and its is relative
Relation is altered or modified, under without essence change technology contents, also when being considered as enforceable category of the invention.
Claims (10)
1. a kind of valve free pump of manually adjustable stroke, including housing（1）, motor（2）, cylinder body（3）And plunger（4）, it is described
Motor（2）It is fixedly connected on housing（1）Top, the motor（2）Output shaft（21）It is connected to plunger（4）, the plunger
（4）Stretch into cylinder body（3）Within, it is characterised in that the housing（1）Side be provided with protuberance（11）, the valve free pump is also
Including：
Manual adjustment means（5）, the manual adjustment means（5）Through the protuberance（11）And arrange and can be in the protrusion
Portion（11）Within move up and down；
Angular adjustment linkage（6）, the angular adjustment linkage（6）One end be connected to manual adjustment means（5）, separately
One end is connected to housing（1）Bottom edge, the cylinder body（3）Located at the angular adjustment linkage（6）On, institute
State angular adjustment linkage（6）For pilot plunger（4）With the motor（2）Output shaft（21）Between angle.
2. a kind of valve free pump of manually adjustable stroke according to claim 1, it is characterised in that the angular adjustment
Bindiny mechanism（6）Including connecting rod（61）And bearing plate（62）, the connecting rod（61）One end be connected to manual adjustment means（5）,
The connecting rod（61）The other end be connected to bearing plate（62）One end, the bearing plate（62）The other end be connected to housing
（1）Bottom edge.
3. a kind of valve free pump of manually adjustable stroke according to claim 2, it is characterised in that the bearing plate
（62）Including long slab（621）And with the long slab（621）Vertically disposed short slab（622）, the long slab（621）It is connected to connecting rod
（61）, the short slab（622）It is connected to housing（1）Bottom edge.
4. a kind of valve free pump of manually adjustable stroke according to claim 3, it is characterised in that the long slab
（621）Medium position be provided with an opening（6211）, the cylinder body（3）It is arranged at long slab（621）On and positioned at opening
（6211）Place, the plunger（4）Through the opening（6211）And stretch to cylinder body（3）It is internal.
5. a kind of valve free pump of manually adjustable stroke according to claim 1, it is characterised in that the manual regulation
Mechanism（5）Including nut（51）And and nut（51）The screw rod being fixedly connected（52）, the nut（51）Can by rotation
Protuberance（11）Within move up and down.
6. a kind of valve free pump of manually adjustable stroke according to claim 1, it is characterised in that the valve free pump
Also include Space Rotating mechanism（7）, the Space Rotating mechanism（7）It is arranged at the housing（1）Inside and with the motor
（2）Output shaft（21）Connection, the plunger（4）It is arranged at Space Rotating mechanism（7）Within, the output shaft（21）By sky
Between rotating mechanism（7）Drive the plunger（4）Rotation.
7. a kind of valve free pump of manually adjustable stroke according to claim 6, it is characterised in that the Space Rotating
Mechanism（7）Including transmission ring（71）, oscillating bearing（72）, adapting rod（73）And pinboard（74）, the transmission ring（71）It is fixed
It is connected to the output shaft（21）, the oscillating bearing（72）It is fixed at the transmission ring（71）Side wall, the adapting rod
（73）One end incline the insertion oscillating bearing（72）Within, the adapting rod（73）The other end be vertically connected at described turning
Fishplate bar（74）, the pinboard（74）It is connected to plunger（4）.
8. a kind of valve free pump of manually adjustable stroke according to claim 7, it is characterised in that the transmission ring
（71）It is cylindrical, the transmission ring（71）One end be fixedly connected on the output shaft（21）, the transmission ring（71）It is another
One end is provided with cylinder open（711）, the cylinder open（711）Side wall be provided with peace for installing the oscillating bearing
Dress hole（712）, the oscillating bearing（72）, adapting rod（73）And pinboard（74）In cylinder open（711）Within and
Cylinder open（711）Interior rotation.
9. the valve free pump of a kind of manually adjustable stroke according to any one of claim 1-8, it is characterised in that described
Plunger（4）Stretch into the cylinder body（3）Interior one end is provided with breach（41）.
10. a kind of valve free pump of manually adjustable stroke according to claim 9, it is characterised in that the breach
（41）Size and the cylinder body（4）On liquid inlet and outlet size and liquid inlet and outlet between circumferential distance be adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093098.5A CN106640612B (en) | 2016-12-02 | 2016-12-02 | A kind of valve free pump of manually adjustable stroke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093098.5A CN106640612B (en) | 2016-12-02 | 2016-12-02 | A kind of valve free pump of manually adjustable stroke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640612A true CN106640612A (en) | 2017-05-10 |
| CN106640612B CN106640612B (en) | 2019-05-07 |
Family
ID=58814092
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611093098.5A Active CN106640612B (en) | 2016-12-02 | 2016-12-02 | A kind of valve free pump of manually adjustable stroke |
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| CN109555661A (en) * | 2019-01-16 | 2019-04-02 | 深圳市利华美科技有限公司 | A kind of flow adjustment precision topping-up pump |
| CN110701016A (en) * | 2019-11-14 | 2020-01-17 | 天津鸿河科技有限公司 | High-precision micro-control metering pump |
| CN115178156A (en) * | 2022-07-06 | 2022-10-14 | 深圳市慧流体生物科技有限公司 | Blending device |
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| CN110651121A (en) * | 2017-05-26 | 2020-01-03 | 冠翔（香港）工业有限公司 | Foldable hand-held pump |
| CN109555661A (en) * | 2019-01-16 | 2019-04-02 | 深圳市利华美科技有限公司 | A kind of flow adjustment precision topping-up pump |
| CN110701016A (en) * | 2019-11-14 | 2020-01-17 | 天津鸿河科技有限公司 | High-precision micro-control metering pump |
| CN115178156A (en) * | 2022-07-06 | 2022-10-14 | 深圳市慧流体生物科技有限公司 | Blending device |
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| CN106640612B (en) | 2019-05-07 |
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Address after: 1401-1, building 1, Baiwang R & D building, 5158 xilishahe West Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen hengyongda Technology Co.,Ltd. Address before: 518000 floor 14, block a, building 1, Baiwang R & D building, No. 5158, Shahe West Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN FOREACH TECHNOLOGY Co.,Ltd. |