CN205460177U - Single tube two -chamber syringe pump - Google Patents
Single tube two -chamber syringe pump Download PDFInfo
- Publication number
- CN205460177U CN205460177U CN201620110981.XU CN201620110981U CN205460177U CN 205460177 U CN205460177 U CN 205460177U CN 201620110981 U CN201620110981 U CN 201620110981U CN 205460177 U CN205460177 U CN 205460177U
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- CN
- China
- Prior art keywords
- axle sleeve
- injection shaft
- housing
- sealing device
- pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a single tube two -chamber syringe pump. The utility model discloses a pump body axle sleeve, injection axle, casing and sealing device, it has medium entrance point and exit end to open on the pump body axle sleeve, the lateral wall of injection axle is opened has two recesses, and the one end of two recesses all seals, and the other end all open and open end flushes with injection axle both ends respectively, injection axle sets up in pump body axle sleeve, and the one end of pump body axle sleeve and sealing device sealing connection, a terminal surface, pump body axle sleeve inside wall and the sealing device of injection axle constitute the lateral cavity body, another terminal surface of injection axle, pump body axle sleeve inside wall and with the casing on the interior bottom surface in cylinder hole constitute another cavity, the excircle of injection axle closely cooperates with the interior circle of pump body axle sleeve, has separated two cavitys. Axial front and back reciprocating motion can be followed to the injection axle in pump body axle sleeve, constantly change the volume of two cavitys to the corresponding relation of exchange recess and exit when turning to, make the syringe pump can last the folk prescription to the output medium.
Description
Technical field
This utility model belongs to field of mechanical technique, is specifically related to a kind of single-tube double-cavity syringe pump.
Background technology
At present, on market, tradition its working method of syringe pump is intermittent.So-called intermittence refers to that syringe pump sucks and is situated between
The when of matter, the ability pumping out medium can be lost；And pumping out medium when, the ability sucking medium can be lost.If needed
To work simultaneously, then to need two common functions realizing continuing pumped (conveying) medium of pump cooperative alternative running.In order to keep syringe pump
High accuracy, the feature such as wide in range output pressure scope, get rid of simultaneously or greatly eliminate the defect of its intermittent work, hereby
Invent this single-tube double-cavity syringe pump.
Summary of the invention
The purpose of this utility model is the deficiency overcoming existing product function and technology, it is provided that a kind of single-tube double-cavity injection
Pump.
This utility model includes having on pump housing axle sleeve, injection shaft, housing and sealing device, and the pump housing axle sleeve axle sleeve medium
Entrance point and axle sleeve media outlet end；The lateral wall of injection shaft has the groove of two strips, and one end of two grooves is equal
Closing, the other end is all open and open end flushes with injection shaft two ends respectively；Injection shaft is arranged in pump housing axle sleeve, pump housing axle sleeve
One end be tightly connected with sealing device so that an end face of injection shaft, pump housing axle sleeve medial wall and sealing device are constituted
Side cavity；Another end face of injection shaft, pump housing axle sleeve medial wall and constitute another with the inner bottom surface of cylindrical hole on housing
Individual cavity, the cylindrical of injection shaft closely cooperates with the inner circle of pump housing axle sleeve, is separated by two cavitys.Injection shaft can be at pump housing axle sleeve
Seesaw the most vertically, thus change the volume of two cavitys.
Described axle sleeve medium entrance end and axle sleeve media outlet end are arranged on the centre position of pump housing side wall of shaft sleeve, and axle
Set medium entrance end and axle sleeve media outlet end are symmetrical arranged.
Two groove location on described injection shaft are as the criterion symmetry with the center of injection shaft axis.
Having through hole in the middle of described injection shaft, screw mandrel is closely coupled with injection shaft through hole medial wall after running through this through hole；
It runs through sealing device beyond one end of injection shaft, and is tightly connected with sealing device.
Described housing is arranged on outside pump housing axle sleeve, housing is provided with and goes out with axle sleeve medium entrance end and axle sleeve medium
The entrance end that mouth end position is corresponding；And the medium entrance end on housing can the variation of travel direction as required, specifically
: medium import and export groove can be set in housing according to direction.The cylindrical hole inwall of housing seals with pump housing axle sleeve outer wall,
On housing, the inner bottom surface of cylindrical hole plays the effect sealing one end face of pump housing axle sleeve.
It is provided with sealing ring, this sealing ring and screw mandrel compact siro spinning technology, and sealing device and housing in described sealing device
By the airtight assembly connection of securing member, play the effect sealing one end face of pump housing axle sleeve.
The medium spout hole of symmetry it is provided with so that the medium of spill and leakage can be by sealing device on described sealing device
Spout hole flow out without directly arriving motor by screw mandrel.
Described pump housing axle sleeve and the material of injection shaft are pottery.
Described housing and sealing device are metal material, preferably metallic aluminium and steel.
This utility model uses process specific as follows:
First the medium entrance end on housing and media outlet end all exports dress with external medium input equipment and medium
Put and be tightly connected；Two grooves of injection shaft are respectively just to axle sleeve medium entrance end and axle sleeve media outlet end；Pushed away by screw mandrel
Dynamic injection shaft so that the dielectric cavity volume connected through side groove with axle sleeve media outlet end diminishes, and chamber in-vivo medium is (initial
Time have the mixture of air or air and medium) pump out through groove；Meanwhile, with axle sleeve medium entrance end through opposite side groove
The dielectric cavity volume of connection becomes big, and the groove that medium is through this side is inhaled into cavity；When screw mandrel promotes injection shaft to walk end face
Time, by rotary screw, injection shaft is rotated 180 ° so that its grooves on two sides location swap, the most just to axle sleeve medium entrance end
Side groove become just to axle sleeve media outlet end, be filled with in the dielectric cavity now communicated with this groove medium and and axle sleeve
Media outlet end connects；The most just opposite side groove to axle sleeve media outlet end becomes just to axle sleeve medium entrance end, with this
The dielectric cavity that groove communicates has emptied medium and has connected with axle sleeve medium entrance end；Reversely pull screw mandrel and injection shaft, change two
The volume of side chamber body, while making side cavity continue to pump out medium, opposite side cavity sucks medium.So move in circles, remove
Having outside of short duration stopping when convertible injection axle groove location, this invention device is sustainable constantly pumps out medium.
The beneficial effects of the utility model:
This utility model simple in construction, and two slot openings on injection shaft are respectively at two different ends of injection shaft
Face, pulls the injection shaft direction of motion different in conjunction with screw mandrel so that dielectric cavity while port of export injectable media, another
Individual dielectric cavity sucks medium from entrance point.Move back and forth and exchange turning to when the corresponding relation of groove and import and export, make
Obtain this syringe pump and possess the ability of lasting one direction output medium.
This utility model passes through screw rod transmission, is controlled by high-precision feeding, it is achieved high-precision measure control ability.
The material of pump housing axle sleeve of the present utility model and injection shaft is preferred with pottery, in particular for full-bodied medium,
Can coordinate with high accuracy and play sealing function isolate two dielectric cavity, and have effect wear-resisting, that rotation resistance to sliding is little.
Pump housing axle sleeve of the present utility model and injection shaft can also use other materials and encapsulating method, concrete: metal
Material and rubber seal technology, with for media that mobility is strong, viscosity is low such as water, edible vegetable oil and gases.
Accompanying drawing explanation
Fig. 1 is overall structure figure of the present utility model；
Fig. 2 (a) and (b) are this utility model pump housing axle sleeve structure figure；
Fig. 3 (a), (b) and (c) are this utility model injection shaft structure chart；
Fig. 4 is this utility model shell structure figure.
In figure, housing 1, pump housing axle sleeve 2, injection shaft 3, sealing catch 4, sealing ring 5, sealing device 6, screw mandrel 7, axle sleeve are situated between
Matter entrance point 1-1, axle sleeve media outlet end 1-2, injection shaft groove 3-1, injection shaft groove 3-2, through hole 3-3.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Shown in as shown in Figure 1, Figure 2 with 3, this utility model includes pump housing axle sleeve 2, injection shaft 3, housing 1 and sealing device 6, and
Axle sleeve medium entrance end 1-1 and axle sleeve media outlet end 1-2 is had on pump housing axle sleeve 2；The lateral wall of injection shaft 3 have two long
The groove of bar shaped: injection shaft groove 3-1 and injection shaft groove 3-2；And one end of two grooves all closes, the other end all open and
Open end flushes with injection shaft 3 two ends respectively；Referring to Fig. 2 (a) and (b), Fig. 3 (a), (b) and (c)；Injection shaft 3 is arranged on the pump housing
In axle sleeve 2, one end of pump housing axle sleeve 2 is tightly connected with sealing device 6 so that in an end face of injection shaft 3, pump housing axle sleeve 2
Sidewall and sealing device 6 constitute side cavity, another end face of injection shaft 3, pump housing axle sleeve 2 medial wall and with housing 1
The inner bottom surface of upper cylindrical hole constitutes another cavity, and the cylindrical of injection shaft 3 closely cooperates with the inner circle of pump housing axle sleeve 2, is separated by
Two cavitys.Injection shaft 3 can seesaw in pump housing axle sleeve 2 vertically, thus changes the volume of two cavitys.
Described axle sleeve medium entrance end 1-1 and axle sleeve media outlet end 1-2 is arranged on the interposition of pump housing axle sleeve 2 sidewall
Put, and axle sleeve medium entrance end 1-1 and axle sleeve media outlet end 1-2 is symmetrical arranged.
Two groove location on described injection shaft 3 are as the criterion symmetry with the center of injection shaft 3 axis.
Having through hole 3-3 in the middle of described injection shaft 3, screw mandrel 7 is tight with injection shaft 3 through hole medial wall after running through this through hole
It is connected；It runs through sealing device 6 beyond one end of injection shaft 3, and is tightly connected with sealing device 6.
As shown in Figure 4, it is outside that described housing 1 is arranged on pump housing axle sleeve 2, housing 1 is provided with and axle sleeve medium entrance
The entrance end that end 1-1 and axle sleeve media outlet end 1-2 position is corresponding；And the medium entrance end on housing 1 can be according to need
Want the variation of travel direction, concrete: medium import and export groove can be set in housing 1 according to direction.The cylindrical hole of housing 1
Inwall seals with pump housing axle sleeve 2 outer wall, and on housing 1, the inner bottom surface of cylindrical hole plays the effect sealing 2 one end faces of pump housing axle sleeve.
Sealing catch 4 and sealing ring 5 it is provided with in described sealing device 6, this sealing ring 5 and screw mandrel 7 compact siro spinning technology, and
Sealing device 6 and housing 1, by sealing the airtight assembly connection of catch 4, play the effect sealing 2 one end faces of pump housing axle sleeve.
The medium spout hole of symmetry it is provided with so that the medium of spill and leakage can pass through sealing device 6 on described sealing device 6
On spout hole flow out without directly arriving motor by screw mandrel 7.
Described pump housing axle sleeve 2 and the material of injection shaft 3 are pottery.
Described housing 1 and sealing device 6 are metal material, preferably metallic aluminium and steel.
This utility model uses process specific as follows:
First the medium entrance end on housing 1 and media outlet end all exports dress with external medium input equipment and medium
Put and be tightly connected；Two grooves of injection shaft 3 are respectively just to axle sleeve medium entrance end 1-1 and axle sleeve media outlet end 1-2；Pass through
Screw mandrel 7 promotes injection shaft 3 so that the dielectric cavity volume connected through side groove with axle sleeve media outlet end 1-2 diminishes, in cavity
Medium (having the mixture of air or air and medium when of initial) pumps out through groove；Meanwhile, with axle sleeve medium entrance end
1-1 becomes big through the dielectric cavity volume that opposite side groove connects, and the groove that medium is through this side is inhaled into cavity；When screw mandrel 7 promotes
When injection shaft 3 walking is to end face, by rotary screw 7, injection shaft 3 is rotated 180 ° so that its grooves on two sides location swap, former
Carry out just side groove to axle sleeve medium entrance end 1-1 to become just to axle sleeve media outlet end 1-2, now communicate with this groove
It is filled with medium in dielectric cavity and connects with axle sleeve media outlet end 1-2；The most just opposite side to axle sleeve media outlet end 1-2
Groove becomes just to axle sleeve medium entrance end 1-1, the dielectric cavity communicated with this groove emptied medium and with axle sleeve medium entrance
End 1-1 connection；Reversely pull screw mandrel 7 and injection shaft 3, change the volume of both sides cavity, make side cavity continue to pump out medium
Meanwhile, opposite side cavity sucks medium.So move in circles, in addition to having of short duration stopping when in convertible injection axle 3 groove location,
This invention device is sustainable constantly pumps out medium.
Claims (9)
1. a single-tube double-cavity syringe pump, it is characterised in that include pump housing axle sleeve, injection shaft, housing and sealing device, and the pump housing
Axle sleeve medium entrance end and axle sleeve media outlet end is had on axle sleeve；The lateral wall of injection shaft has the groove of two strips,
And one end of two grooves all closes, the other end is all open and open end flushes with injection shaft two ends respectively；Injection shaft is arranged on
In pump housing axle sleeve, one end of pump housing axle sleeve is tightly connected with sealing device so that inside an end face of injection shaft, pump housing axle sleeve
Wall and sealing device constitute side cavity, another end face of injection shaft, pump housing axle sleeve medial wall and with cylinder on housing
The inner bottom surface in hole constitutes another cavity, and the cylindrical of injection shaft closely cooperates with the inner circle of pump housing axle sleeve, is separated by two cavitys；
Injection shaft can seesaw in pump housing axle sleeve vertically, thus changes the volume of two cavitys.
2. a kind of single-tube double-cavity syringe pump as claimed in claim 1, it is characterised in that described axle sleeve medium entrance end and axle
Set media outlet end is arranged on the centre position of pump housing side wall of shaft sleeve, and axle sleeve medium entrance end and axle sleeve media outlet end symmetrical
Arrange.
3. a kind of single-tube double-cavity syringe pump as claimed in claim 1, it is characterised in that two groove positions on described injection shaft
Put and be as the criterion symmetry with the center of injection shaft axis.
4. a kind of single-tube double-cavity syringe pump as described in claim 1,2 or 3, it is characterised in that have through hole in the middle of injection shaft,
Screw mandrel is closely coupled with injection shaft through hole medial wall after running through this through hole；It runs through sealing device beyond one end of injection shaft, and
It is tightly connected with sealing device.
5. a kind of single-tube double-cavity syringe pump as claimed in claim 4, it is characterised in that described housing is arranged on pump housing axle sleeve
Outside, housing is provided with the entrance end corresponding with axle sleeve medium entrance end and axle sleeve media outlet end position；And on housing
Medium entrance end can the variation of travel direction as required, medium import and export can be set in housing according to direction and lead to
Groove；The cylindrical hole inwall of housing seals with pump housing axle sleeve outer wall, and on housing, the inner bottom surface of cylindrical hole plays sealing pump housing axle sleeve one
The effect of individual end face.
6. a kind of single-tube double-cavity syringe pump as claimed in claim 5, it is characterised in that be provided with close in described sealing device
Seal, this sealing ring and screw mandrel compact siro spinning technology, and sealing device and housing are by the airtight assembly connection of securing member, play canned pump
The effect of one end face of body axle sleeve.
7. a kind of single-tube double-cavity syringe pump as claimed in claim 6, it is characterised in that it is right to be provided with on described sealing device
The medium spout hole claimed so that the medium of spill and leakage can be flowed out without directly being arrived by screw mandrel by the spout hole on sealing device
Reach motor.
8. single-tube double-cavity syringe pump as claimed in claim 1 a kind of, it is characterised in that described pump housing axle sleeve and injection shaft
Material is pottery.
9. a kind of single-tube double-cavity syringe pump as claimed in claim 6, it is characterised in that described housing and sealing device are
Metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620110981.XU CN205460177U (en) | 2016-02-03 | 2016-02-03 | Single tube two -chamber syringe pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620110981.XU CN205460177U (en) | 2016-02-03 | 2016-02-03 | Single tube two -chamber syringe pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205460177U true CN205460177U (en) | 2016-08-17 |
Family
ID=56674646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620110981.XU Withdrawn - After Issue CN205460177U (en) | 2016-02-03 | 2016-02-03 | Single tube two -chamber syringe pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205460177U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477738A (en) * | 2016-02-03 | 2016-04-13 | 龙木信息科技（杭州）有限公司 | Single-tube double-cavity injection pump and use method thereof |
| WO2017133507A1 (en) * | 2016-02-03 | 2017-08-10 | 龙木信息科技（杭州）有限公司 | Single-barrel dual-cavity injection pump, injection pump mechanism, and operating method |
| CN107696704A (en) * | 2017-10-20 | 2018-02-16 | 杭州科雷智能印刷科技有限责任公司 | A kind of pump and its circulation cleaning system |
-
2016
- 2016-02-03 CN CN201620110981.XU patent/CN205460177U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477738A (en) * | 2016-02-03 | 2016-04-13 | 龙木信息科技（杭州）有限公司 | Single-tube double-cavity injection pump and use method thereof |
| WO2017133507A1 (en) * | 2016-02-03 | 2017-08-10 | 龙木信息科技（杭州）有限公司 | Single-barrel dual-cavity injection pump, injection pump mechanism, and operating method |
| CN105477738B (en) * | 2016-02-03 | 2019-04-09 | 杭州科雷智能印刷科技有限责任公司 | A kind of single-tube double-cavity syringe pump and its application method |
| CN107696704A (en) * | 2017-10-20 | 2018-02-16 | 杭州科雷智能印刷科技有限责任公司 | A kind of pump and its circulation cleaning system |
| CN107696704B (en) * | 2017-10-20 | 2022-12-23 | 杭州科雷智能印刷科技有限责任公司 | Ink pump and circulation cleaning system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170912 Address after: Jin Xiaoshan economic and Technological Development Zone Road Xiaoshan District of Hangzhou City, Zhejiang province 310000 No. 875 Patentee after: Hangzhou smart Printing Technology Co., Ltd. Address before: 310000, Hangzhou, Zhejiang province Binjiang District Road, No. 1509, wing Heng building, room 2301 Patentee before: Dragon Wood Information Technology (Hangzhou) Co., Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160817 Effective date of abandoning: 20190409 |