CN207621009U - A kind of micro automatic injection pump - Google Patents
A kind of micro automatic injection pump Download PDFInfo
- Publication number
- CN207621009U CN207621009U CN201721628226.1U CN201721628226U CN207621009U CN 207621009 U CN207621009 U CN 207621009U CN 201721628226 U CN201721628226 U CN 201721628226U CN 207621009 U CN207621009 U CN 207621009U
- Authority
- CN
- China
- Prior art keywords
- injection pump
- automatic injection
- actor
- rendering
- piston
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of micro automatic injection pump, is related to injecting pump technical field.The micro automatic injection pump includes spindle motor, the supporting sleeve being connect with spindle motor, the piston cylinder being connect with supporting sleeve, spindle motor is equipped with leading screw, leading screw is connect by the connector inside supporting sleeve with piston coaxial, fluid path an actor's rendering of an operatic tune that piston cylinder is provided with the first inlet and is connected to the first inlet, piston can be slided up and down along fluid path an actor's rendering of an operatic tune.The utility model is by providing a kind of micro automatic injection pump, by spindle motor in such a way that connector is connect with piston, solves the problems, such as that existing injection pump volume is big, of high cost and design is complicated.
Description
Technical field
The utility model is related to inject pump technical field more particularly to a kind of micro automatic injection pump.
Background technology
Increasingly perfect with mechanical automation technology, syringe pump can be used in every field, to realize liquid
Transfer and the control of amount of liquid.Wherein, micro automatic injection pump is the device that medical industry micro-injection accurately controls, and needs to protect
Demonstrate,prove the accuracy and repeatability of liquid.
Currently, in medical instrument field, there are various microinjection apparatus, wherein the syringe pump that can be automatically controlled
Transmission system is excessively huge, and design organization is excessively cumbersome, and installation excessively complexity, low precision, poor repeatability and fragile etc.
Disadvantage；And purely manual microinjection apparatus is although simple in structure, but need circumscribing peripheral equipment.
It would therefore be highly desirable to need a kind of novel micro automatic injection pump to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of micro automatic injection pump, with solve existing injection pump volume it is big, at
The problem of this height and design complexity.
In order to achieve the above object, the utility model uses following technical scheme：
A kind of micro automatic injection pump, including spindle motor, the supporting sleeve being connect with spindle motor are connect with supporting sleeve
Piston cylinder, spindle motor are equipped with leading screw, and leading screw is connect by the connector inside supporting sleeve with piston coaxial, and piston cylinder is set
The fluid path an actor's rendering of an operatic tune for being equipped with the first inlet and being connected to the first inlet, piston can be slided up and down along fluid path an actor's rendering of an operatic tune.
Preferably, further including holder, holder one end is fixedly arranged on supporting sleeve, and the other end is installed with photoelectric sensor, light
Electric transducer can detect the position of connector.
Preferably, syringe pump is electrically connected by the external connection for being arranged in spindle motor with control assembly.
Preferably, supporting sleeve is threadedly coupled by the first mounting hole being disposed thereon with spindle motor.
Preferably, piston cylinder is connect by the second mounting hole being disposed thereon with thread of supporting sleeves.
Preferably, being equipped with movement an actor's rendering of an operatic tune in supporting sleeve, connector can move up and down along an actor's rendering of an operatic tune is moved.
Preferably, connector is connect by feed screw nut with leading screw.
Preferably, piston cylinder is additionally provided with the second inlet, the second inlet passes through fluid path an actor's rendering of an operatic tune and the first inlet
Connection.
Preferably, piston peripheral hardware, there are two the first O-ring and second O-ring, the second O-ring is located at two first
Between O-ring, and it is located on the outside of fluid path an actor's rendering of an operatic tune.
Preferably, the second O-ring is corresponding with the second inlet, and the second O-ring is externally provided with through-hole, the second inlet
It is connected to fluid path an actor's rendering of an operatic tune by through-hole.
The beneficial effects of the utility model：
The utility model drives leading screw using spindle motor, by providing a kind of micro automatic injection pump to note
Penetrate pump carry out micro-sampling control, and spindle motor by control component control, solve existing injection pump volume greatly, cost
Problem high and that design is complicated so that sample size can accurately control；Spindle motor itself band leading screw, does not need shaft coupling, ties
Structure is simple, can efficiently control the concentricity issues during piston motion.
Description of the drawings
Now the embodiment of the utility model will be described with reference to appended attached drawing only by way of example, wherein
Fig. 1 is the structural schematic diagram for the micro automatic injection pump that specific embodiment of the present invention provides；
Fig. 2 is the front view using micro automatic injection pump that specific embodiment of the present invention provides；
Fig. 3 be in Fig. 2 A to sectional view；
Fig. 4 is the partial schematic diagram in Fig. 3.
In figure：
1, spindle motor；11, external connection；2, supporting sleeve；21, the first mounting hole；
3, piston cylinder；31, the first inlet；32, the second inlet；33, the second mounting hole；34, fluid path an actor's rendering of an operatic tune；
4, holder；5, photoelectric sensor；
6, connector；61, feed screw nut；
7, piston；71, the first O-ring；72, the second O-ring.
Specific implementation mode
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Figures 1 to 4, present embodiments provide for a kind of micro automatic injection pumps, including spindle motor 1, with silk
The supporting sleeve 2 that thick stick motor 1 connects, the piston cylinder 3 being connect with supporting sleeve 2, spindle motor 1 are equipped with leading screw, and leading screw is by being located at branch
Connector 6 inside support set 2 is connect with piston 7, and piston cylinder 3 is provided with the first inlet 31 and is connected to the first inlet 31
Fluid path an actor's rendering of an operatic tune 34, piston 7 can be slided up and down along fluid path an actor's rendering of an operatic tune 34.Present embodiment drives leading screw using spindle motor 1,
Micro-sampling control is carried out to micro automatic injection pump, and spindle motor 1 is controlled by controlling component, solves existing injection
The problem that pump volume is big, of high cost and design is complicated so that sample size can accurately control.
Specifically, spindle motor 1 is stepper motor, carries leading screw, therefore does not need shaft coupling, simple in structure, can be with
Efficiently control the concentricity issues in 7 motion process of piston.The step angle of spindle motor 1 is 1.8 °, and rotation one week can be with
It is divided into 200 steps, is equivalent to and guide screw lead is divided into 200 parts controls.And the circuit control of control assembly is using 16 subdivisions, phase
When in each step angle is divided into 16 parts, therefore the control accuracy of spindle motor 1 can reach the 1/3200 of guide screw lead, can root
Helical pitch is arbitrarily changed according to demand.
Specifically, which further includes holder 4, and 4 one end of holder is fixedly arranged on supporting sleeve 2, and the other end is solid
Equipped with photoelectric sensor 5, photoelectric sensor 5 can detect the position of connector 6.Syringe pump is by being arranged in spindle motor 1
External connection 11 is electrically connected with control assembly.Preferably, holder 4 is angle bar, and a right-angle surface is threadedly connected on supporting sleeve 2, another
Right-angle surface is threadedly coupled with photoelectric sensor 5, and a convex block is provided on connector 6, is moved up and down when connector 6 is driven by leading screw
When, which can back and forth be reciprocated through in photoelectric sensor 5, and then record the position of connector 6, that is, pass through photoelectric sensor 5
Sample introduction control is carried out to leading screw jointly with spindle motor 1.Spindle motor 1 moves up and down with piston 7 in fluid path an actor's rendering of an operatic tune 34, leads to
The movement for crossing piston 7 changes the size of volume, achievees the purpose that accurately control sample-adding amount.
Specifically, supporting sleeve 2 is threadedly coupled by the first mounting hole 21 being disposed thereon with spindle motor 1.Piston cylinder 3
It is threadedly coupled with supporting sleeve 2 by the second mounting hole 33 being disposed thereon.First mounting hole 21 and the second mounting hole 33 are extremely
It is set as 4 less, to ensure that supporting sleeve 2 is integrally formed structure with spindle motor 1 and piston cylinder 3 respectively, and ensures when in three
It is for convenience detach and cleaning when portion breaks down.
Specifically, movement an actor's rendering of an operatic tune is equipped in supporting sleeve 2, connector 6 can move up and down along an actor's rendering of an operatic tune is moved.Connector 6 passes through
Feed screw nut 61 is connect with leading screw.Feed screw nut 61 is connect by its external screw thread with connector 6, is connected by its internal thread and leading screw
It connects, connector 6 is threadedly coupled with piston 7, and ensures leading screw with piston 7 to be coaxial docking, and overall structure is become, to side
Just piston 7 is driven to move up and down by the positive counter-movement of spindle motor 1.
Specifically, piston cylinder 3 is additionally provided with the second inlet 32, and the second inlet 32 passes through fluid path an actor's rendering of an operatic tune 34 and first
Inlet 31 is connected to.There are two the first O-ring 71 and second O-ring 72, the second O-rings 72 to be located at two for 7 peripheral hardware of piston
Between first O-ring 71, and it is located on the outside of fluid path an actor's rendering of an operatic tune.Second O-ring 72 is corresponding with the second inlet 32, and the
Two O-rings 72 are externally provided with through-hole, and the second inlet 32 is connected to by through-hole with fluid path an actor's rendering of an operatic tune 34.
In the present embodiment, the first inlet 31 is used to drawing and injecting required liquid or reagent (being set as sample one), and
Second inlet 32 is for drawing cleaning solution (being set as sample two), to complete the cleaning to entire fluid path an actor's rendering of an operatic tune 34.Example
Such as, when blood coagulation is tested, 51ul samples one (needing piston 7 to rise, the volume of fluid path an actor's rendering of an operatic tune 34 is made to increase 51ul) is inhaled, are then spued
5ul (needs piston 7 to decline, the volume of fluid path an actor's rendering of an operatic tune 34 is made to reduce 5ul).It is clear to avoid cross contamination from needing before inhaling sample two
It washes, piston 7 is moved to the top of the 2nd O types circle 72, continues to rise so that cleaning solution (generally use clear water) is from the second feed liquor
Mouth 32 enters in fluid path an actor's rendering of an operatic tune 34, is then discharged from the first inlet 31, realizes cleaning function.
Specifically, since the second O-ring 72 is corresponding with the second inlet 32, and the second O-ring 72 is externally provided with through-hole,
Second inlet 32 is connected to by through-hole with fluid path an actor's rendering of an operatic tune 34.When piston 7 is in the 2nd type 72 lower sections of circle O, piston 7 it is upper
Lower movement (being always ensured that the bottom of piston 7 is no more than the second O-ring 72) can increase or reduce the volume of fluid path an actor's rendering of an operatic tune 34,
To being drawn and being discharged sample one.When piston 7 is in the second 72 top of O-ring, by moving upwards for piston 7,
Sample two is drawn, draw to it is a certain amount of when, spindle motor 1 control piston 7 move downward so that sample two from first into
Liquid mouth 31 is discharged.
Obviously, above-described embodiment of the utility model is used for the purpose of clearly illustrating the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made within the spirit and principle of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (10)
1. a kind of micro automatic injection pump, which is characterized in that including spindle motor (1), the branch being connect with the spindle motor (1)
Support set (2), the piston cylinder (3) being connect with the supporting sleeve (2), the spindle motor (1) are equipped with leading screw, and the leading screw passes through position
Coaxially connected in the internal connector (6) of the supporting sleeve (2) and piston (7), the piston cylinder (3) is provided with the first inlet
(31) and with first inlet (31) the fluid path an actor's rendering of an operatic tune (34) being connected to, the piston (7) can be along the fluid path an actor's rendering of an operatic tune (34)
It slides up and down.
2. micro automatic injection pump according to claim 1, which is characterized in that further include holder (4), the holder (4)
One end is fixedly arranged on the supporting sleeve (2), and the other end is installed with photoelectric sensor (5), and the photoelectric sensor (5) can be detected
The position of the connector (6).
3. micro automatic injection pump according to claim 2, which is characterized in that the micro automatic injection pump passes through setting
External connection (11) in the spindle motor (1) is electrically connected with control assembly.
4. micro automatic injection pump according to claim 1, which is characterized in that the supporting sleeve (2) is by being arranged at it
On the first mounting hole (21) be threadedly coupled with the spindle motor (1).
5. micro automatic injection pump according to claim 4, which is characterized in that the piston cylinder (3) is by being arranged at it
On the second mounting hole (33) be threadedly coupled with the supporting sleeve (2).
6. micro automatic injection pump according to claim 1, which is characterized in that be equipped with movement row in the supporting sleeve (2)
Chamber, the connector (6) can move up and down along the described an actor's rendering of an operatic tune that moves.
7. micro automatic injection pump according to claim 6, which is characterized in that the connector (6) passes through feed screw nut
(61) it is connect with the leading screw.
8. micro automatic injection pump according to any one of claims 1 to 7, which is characterized in that the piston cylinder (3) is also
It is provided with the second inlet (32), second inlet (32) passes through the fluid path an actor's rendering of an operatic tune (34) and first inlet
(31) it is connected to.
9. micro automatic injection pump according to claim 8, which is characterized in that there are two the first O for piston (7) peripheral hardware
Type circle (71) and second O-ring (72), second O-ring (72) are located between two first O-rings (71), and
It is located on the outside of the fluid path an actor's rendering of an operatic tune (34).
10. micro automatic injection pump according to claim 9, which is characterized in that second O-ring (72) and described the
Two inlets (32) are corresponding, and second O-ring (72) is externally provided with through-hole, and second inlet (32) passes through described logical
Hole is connected to the fluid path an actor's rendering of an operatic tune (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721628226.1U CN207621009U (en) | 2017-11-29 | 2017-11-29 | A kind of micro automatic injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721628226.1U CN207621009U (en) | 2017-11-29 | 2017-11-29 | A kind of micro automatic injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207621009U true CN207621009U (en) | 2018-07-17 |
Family
ID=62824717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721628226.1U Active CN207621009U (en) | 2017-11-29 | 2017-11-29 | A kind of micro automatic injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207621009U (en) |
-
2017
- 2017-11-29 CN CN201721628226.1U patent/CN207621009U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103163310A (en) | Multi-channel micro-volume sampling device | |
| CN208976440U (en) | A kind of laboratory bottle washing machine | |
| CN203483661U (en) | Liquor suction device | |
| CN103551215A (en) | Pipetting device and pipetting method | |
| CN207621009U (en) | A kind of micro automatic injection pump | |
| CN104062457B (en) | A kind of automatic sampling apparatus detected for water chemical oxygen demand | |
| CN203385745U (en) | Sampling mechanical arm for full-automatic detection analyzer | |
| CN107795474A (en) | A kind of micro automatic injection pump | |
| CN207798514U (en) | The pretreating device of mycotoxin Physico-chemical tests in a kind of grain | |
| CN203881789U (en) | Precise injection pump | |
| CN208512919U (en) | It is a kind of to change the liquid crystal display automatic dropping glue equipment for spitting glue width | |
| CN108722510A (en) | A kind of syringe pump | |
| CN208932951U (en) | A kind of automation loading system | |
| CN217568831U (en) | Auxiliary device for stereotactic microinjection | |
| CN110068671A (en) | A kind of liquid feeding oscillation integrated apparatus for textile inspection | |
| CN108398568A (en) | A kind of spot sample device | |
| CN203870184U (en) | Fingerprint glass substrate function testing mechanism | |
| CN208345371U (en) | Diaphragm feeding machanism | |
| CN209878403U (en) | Sampling needle position adjustable device for full-automatic dilution liquid distributor | |
| CN207866567U (en) | A kind of waste collecting device of automatic sample adding instrument | |
| CN209005765U (en) | A kind of anti-pollution liquid-transfering gun of wastewater recycle | |
| CN208060216U (en) | A kind of medical test sampler | |
| CN102062703A (en) | Liquid sampling device | |
| CN109876880A (en) | Pipette rack | |
| CN204281286U (en) | A kind of device of accurate liquid extracting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |