CN207025361U - A kind of micropipette mechanism with automatic withdraw of the needle function - Google Patents
A kind of micropipette mechanism with automatic withdraw of the needle function Download PDFInfo
- Publication number
- CN207025361U CN207025361U CN201720567411.8U CN201720567411U CN207025361U CN 207025361 U CN207025361 U CN 207025361U CN 201720567411 U CN201720567411 U CN 201720567411U CN 207025361 U CN207025361 U CN 207025361U
- Authority
- CN
- China
- Prior art keywords
- needle
- cavity
- piston
- withdraw
- micropipette
- 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
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of micropipette mechanism with automatic withdraw of the needle function, including cavity, the cavity is provided with two groups of piston holes, the cavity is built with suction piston mechanism, cavity lower surface is equipped with automatic withdraw of the needle mechanism, the micromotion mechanism of cavity upper surface, the suction piston mechanism is by the U-shaped soft rubber ring in piston hole, mounted in the mobile piston of piston hole, spring A in piston inner hole, formed with the tapered needle seat that piston hole coordinates, the micromotion mechanism is by the upper cover body installed in cavity upper surface, it is opened in two groups of shoulder holes in upper cover body opposing pistons hole, the movable block installed in shoulder hole, formed with the liquid relief transmission mechanism in upper cover body, described automatic withdraw of the needle mechanism is made up of the withdraw of the needle transmission mechanism on the lower cover and lower cover of cavity lower surface.The beneficial effects of the utility model are, simple in construction, practical.
Description
Technical field
Automation pipettor is the utility model is related to, particularly a kind of micropipette mechanism with automatic withdraw of the needle function.
Background technology
During micropipette, liquid relief precision is low, manually operated to testing crew to require higher, and usual liquid relief equipment is main
Applied to a large amount of liquid relief fields, micropipette product is less, simultaneously, it is impossible to the requirement of automatic detection instrument.
Utility model content
The purpose of this utility model is to solve the above problems, and devises a kind of micro shifting with automatic withdraw of the needle function
Liquid mechanism.
Realize that above-mentioned purpose the technical solution of the utility model is, a kind of micropipette machine with automatic withdraw of the needle function
Structure, including cavity, the cavity are provided with two groups of piston holes, and the cavity is equipped with built with suction piston mechanism, cavity lower surface
Automatic withdraw of the needle mechanism, the micromotion mechanism of cavity upper surface, the suction piston mechanism is by the U-shaped soft rubber in piston hole
Circle, the mobile piston mounted in piston hole, the spring A in piston inner hole, the tapered needle seat composition coordinated with piston hole, it is described micro-
Motivation structure in the upper cover body of cavity upper surface, two groups of shoulder holes, shoulder holes being opened in upper cover body opposing pistons hole by pacifying
The movable block of dress and the liquid relief transmission mechanism in upper cover body are formed, and described automatic withdraw of the needle mechanism is by installed in cavity
Withdraw of the needle transmission mechanism on the lower cover and lower cover of lower surface is formed.
Described mobile outer surface of piston is equipped with sealing ring.
The upper cover body fixes U-shaped soft rubber ring with cavity, passes through bullet with mobile piston on the inside of the U-shaped soft rubber ring
Spring A is pressed into contact with, and outside contacts with movable block.
What the liquid relief transmission mechanism was connected by the linear electric motors A in upper cover body, with linear electric motors A mobile terminals
Guide pin bushing on movable plate, movable plate, the guide pillar composition with guide pin bushing cooperation.
The withdraw of the needle transmission mechanism is by the linear electric motors B installed in lower cover, the withdraw of the needle being connected with linear electric motors B mobile terminals
Plate, the screw for guiding and spring B are formed.
Movable steel ball is housed between the movable block and movable plate.
Sealing gasket is housed, the tapered needle seat passes through lower cover and chamber between the tapered needle seat and cavity piston hole
Body is fixed.
The withdraw of the needle plate of described withdraw of the needle mechanism is provided with the circular hole corresponding with tapered needle seat.
The guide pillar of the liquid relief transmission mechanism is arranged on cavity.
The micropipette mechanism with automatic withdraw of the needle function made using the technical solution of the utility model, can be steady
Liquid relief, there is higher sealing effectiveness, there is automatic withdraw of the needle function, meanwhile, it is compact-sized, it can apply to other automation inspections
Measurement equipment.
Brief description of the drawings
Fig. 1 is the structural front view of the micropipette mechanism described in the utility model with automatic withdraw of the needle function；
Fig. 2 is the structure top view of the micropipette mechanism described in the utility model with automatic withdraw of the needle function；
Fig. 3 is the structure left view of the micropipette mechanism described in the utility model with automatic withdraw of the needle function；
Fig. 4 is the structure partial enlarged drawing of the micropipette mechanism described in the utility model with automatic withdraw of the needle function；
In figure, 1, cavity；2nd, piston hole；3rd, U-shaped soft rubber ring；4th, mobile piston；5th, spring A；6th, tapered needle seat；7、
Upper cover body；8th, shoulder hole；9th, movable block；10th, lower cover；11st, sealing ring；12nd, linear electric motors A；13rd, movable plate；14th, guide pin bushing；
15th, guide pillar；16th, linear electric motors B；17th, withdraw of the needle plate；18th, screw；19th, spring B；20th, steel ball；21st, sealing gasket；22nd, circular hole.
Embodiment
The utility model is specifically described below in conjunction with the accompanying drawings, as Figure 1-4, one kind has automatic withdraw of the needle function
Micropipette mechanism, including cavity, the cavity be provided with two groups of piston holes, and the cavity is built with suction piston mechanism, chamber
Body lower surface is equipped with automatic withdraw of the needle mechanism, the micromotion mechanism of cavity upper surface, and the suction piston mechanism is by installed in piston hole
The tapered needle that interior U-shaped soft rubber ring, the mobile piston mounted in piston hole, the spring A in piston inner hole and piston hole coordinates
Seat is formed, the micromotion mechanism by the upper cover body installed in cavity upper surface, be opened in two groups of ladders in upper cover body opposing pistons hole
The movable block installed in hole, shoulder hole and the liquid relief transmission mechanism in upper cover body are formed, described automatic withdraw of the needle mechanism
It is made up of the withdraw of the needle transmission mechanism on the lower cover and lower cover of cavity lower surface；Described mobile outer surface of piston dress
There is sealing ring；The upper cover body fixes U-shaped soft rubber ring with cavity, passes through on the inside of the U types soft rubber ring with mobile piston
Spring A is pressed into contact with, and outside contacts with movable block；The liquid relief transmission mechanism by the linear electric motors A in upper cover body, with
The movable plate of linear electric motors A mobile terminals connection, the guide pin bushing on movable plate, the guide pillar composition coordinated with guide pin bushing；The withdraw of the needle transmission
Mechanism by the linear electric motors B installed in lower cover, the withdraw of the needle plate being connected with linear electric motors B mobile terminals, the screw for guiding and
Spring B is formed；Movable steel ball is housed between the movable block and movable plate；Filled between the tapered needle seat and cavity piston hole
There is sealing gasket, the tapered needle seat is fixed by lower cover and cavity；The withdraw of the needle plate of described withdraw of the needle mechanism is provided with and taper
The corresponding circular hole of needle holder；The guide pillar of the liquid relief transmission mechanism is arranged on cavity.
The characteristics of the present embodiment is that cavity is provided with two groups of piston holes, and cavity is built with suction piston mechanism, cavity following table
Face is equipped with automatic withdraw of the needle mechanism, the micromotion mechanism of cavity upper surface, and suction piston mechanism is by the U-shaped soft rubber in piston hole
Cushion rubber, the mobile piston mounted in piston hole, the spring A in piston inner hole, the tapered needle seat composition coordinated with piston hole, fine motion
Mechanism in the upper cover body of cavity upper surface, two groups of shoulder holes, shoulder holes being opened in upper cover body opposing pistons hole by installing
Movable block and liquid relief transmission mechanism in upper cover body form, automatic withdraw of the needle mechanism by installed in cavity lower surface
Lower cover and lower cover on withdraw of the needle transmission mechanism form, can steady liquid relief, there is higher sealing effectiveness, have automatically
Withdraw of the needle function, meanwhile, it is compact-sized, it can apply to other automatic detection systems.
In the present embodiment, the linear electric motors A installed in upper cover body, drives movable plate rectilinear movement, and module extender board is being led
Stable movement, movable plate push down steel ball so as to pull down movable block in the presence of post guide pin bushing, and movable block realizes micro movement, move
Motion block contacts with U-shaped soft rubber ring, realizes the compression of air, and U-shaped soft rubber ring inner chamber is equipped with the spring A recovered automatically and movement
Piston, mobile piston have sealing effectiveness with the sealing of cavity piston hole, and tapered needle seat is by lower cover fixing seal in cavity
On, withdraw of the needle plate is arranged on linear electric motors B by through hole, and withdraw of the needle plate is provided with screw guiding, realizes the stable withdraw of the needle.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solutions of the utility model, the technology of the art
Personnel embody principle of the present utility model to some variations that some of which part may be made, and belong to the utility model
Protection domain within.
Claims (9)
1. a kind of micropipette mechanism with automatic withdraw of the needle function, including cavity (1), it is characterised in that the cavity (1) is opened
Have two groups of piston holes (2), the cavity (1) built with suction piston mechanism, cavity (1) lower surface equipped with automatic withdraw of the needle mechanism,
The micromotion mechanism of cavity (1) upper surface, the suction piston mechanism by the U-shaped soft rubber ring (3) in piston hole (2),
The spring A (5) in mobile piston (4), piston inner hole mounted in piston hole (2), the tapered needle seat with piston hole (2) cooperation
(6) form, the micromotion mechanism by the upper cover body (7) installed in cavity (1) upper surface, be opened in upper cover body (7) opposing pistons hole
(2) two groups of shoulder holes (8), the movable block (9) of the middle installation of shoulder hole (8) and the liquid relief driver in upper cover body (7)
Structure is formed, and described automatic withdraw of the needle mechanism is by moving back on the lower cover (10) and lower cover (10) of cavity (1) lower surface
Pin transmission mechanism is formed.
2. a kind of micropipette mechanism with automatic withdraw of the needle function according to claim 1, it is characterised in that described
Mobile piston (4) outer surface is equipped with sealing ring (11).
3. a kind of micropipette mechanism with automatic withdraw of the needle function according to claim 1, it is characterised in that on described
Lid (7) is fixed by U-shaped soft rubber ring (3) and cavity (1), passes through on the inside of the U-shaped soft rubber ring (3) with mobile piston (4)
Spring A (5) is pressed into contact with, and outside contacts with movable block (9).
A kind of 4. micropipette mechanism with automatic withdraw of the needle function according to claim 1, it is characterised in that the shifting
Liquid transmission mechanism is by the linear electric motors A (12) in upper cover body (7), the movement being connected with linear electric motors A (12) mobile terminal
Guide pin bushing (14) on plate (13), movable plate (13), guide pillar (15) composition with guide pin bushing (14) cooperation.
5. a kind of micropipette mechanism with automatic withdraw of the needle function according to claim 1, it is characterised in that described to move back
Pin transmission mechanism is by the linear electric motors B (16) installed in lower cover (10), the withdraw of the needle plate being connected with linear electric motors B (16) mobile terminal
(17), the screw (18) and spring B (19) for guiding are formed.
A kind of 6. micropipette mechanism with automatic withdraw of the needle function according to claim 1, it is characterised in that the shifting
Movable steel ball (20) is housed between motion block (9) and movable plate (13).
A kind of 7. micropipette mechanism with automatic withdraw of the needle function according to claim 1, it is characterised in that the cone
Sealing gasket (21) is housed, the tapered needle seat (6) passes through lower cover (10) between shape needle holder (6) and cavity piston hole (2)
It is fixed with cavity (1).
8. a kind of micropipette mechanism with automatic withdraw of the needle function according to claim 1, it is characterised in that described
The withdraw of the needle plate (17) of withdraw of the needle mechanism is provided with the circular hole (22) corresponding with tapered needle seat (6).
A kind of 9. micropipette mechanism with automatic withdraw of the needle function according to claim 1, it is characterised in that the shifting
The guide pillar (15) of liquid transmission mechanism is arranged on cavity (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720567411.8U CN207025361U (en) | 2017-05-17 | 2017-05-17 | A kind of micropipette mechanism with automatic withdraw of the needle function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720567411.8U CN207025361U (en) | 2017-05-17 | 2017-05-17 | A kind of micropipette mechanism with automatic withdraw of the needle function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207025361U true CN207025361U (en) | 2018-02-23 |
Family
ID=61480095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720567411.8U Active CN207025361U (en) | 2017-05-17 | 2017-05-17 | A kind of micropipette mechanism with automatic withdraw of the needle function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207025361U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525866A (en) * | 2018-03-30 | 2018-09-14 | 江苏科华医疗器械科技有限公司 | Liquid device is adopted in a kind of centrifugation based on eccentric wheel |
| CN108940394A (en) * | 2017-05-17 | 2018-12-07 | 天津工业大学 | A kind of micropipette mechanism with automatic withdraw of the needle function |
-
2017
- 2017-05-17 CN CN201720567411.8U patent/CN207025361U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108940394A (en) * | 2017-05-17 | 2018-12-07 | 天津工业大学 | A kind of micropipette mechanism with automatic withdraw of the needle function |
| CN108525866A (en) * | 2018-03-30 | 2018-09-14 | 江苏科华医疗器械科技有限公司 | Liquid device is adopted in a kind of centrifugation based on eccentric wheel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207025361U (en) | A kind of micropipette mechanism with automatic withdraw of the needle function | |
| CN117007760A (en) | Ecological environment and environmental pollution monitoring equipment and method | |
| CN207577830U (en) | A kind of electric motor end cap pressure oil seals refueling device | |
| CN206584988U (en) | Cell apparatus and its electronic cigarette | |
| CN108940394A (en) | A kind of micropipette mechanism with automatic withdraw of the needle function | |
| CN111537276A (en) | A quality of water sampling device for environmental protection detects | |
| CN203981359U (en) | A kind of air-tightness detection device fast | |
| CN205652465U (en) | Sealing machine | |
| CN212652531U (en) | High-speed stamping die with lubricating structure | |
| CN207171656U (en) | A kind of digital display Z axis position indicator | |
| CN210400553U (en) | High viscosity grease liquid level indicating device | |
| CN206961724U (en) | A kind of color gradual changing film switch | |
| CN102019711A (en) | Novel press machine air cushion structure | |
| CN113654729A (en) | Waterproof performance dynamic test equipment applied to rolling bearing manufacturing | |
| CN207516469U (en) | A kind of smartwatch Touch control key conducting performance test device | |
| CN206440709U (en) | A kind of high-accuracy water quality inspection measurement equipment for laboratory | |
| CN215744524U (en) | Oiling mechanism for micro O-shaped sealing ring | |
| CN218002796U (en) | Multi-station detection tool for pressure gauge production | |
| CN220802000U (en) | Six-channel pressurized solvent extraction instrument for gas chromatography pretreatment | |
| CN205809151U (en) | A kind of cylindrical lithium battery voltage test device | |
| CN220818868U (en) | Micro-displacement sensor | |
| CN109702953A (en) | Medicine bag punch | |
| CN202571765U (en) | Starter rear end cover oil bush press-in device | |
| CN204564892U (en) | One accurately leads blanking units | |
| CN210442135U (en) | Drilling depthkeeping water intaking ware for geotechnical engineering reconnaissance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 399 Bingshui Road, Xiqing District, Tianjin, Tianjin Co-patentee after: Tianjin one Rui biological Polytron Technologies Inc Patentee after: Tianjin Polytechnic University Address before: No. 399 Bingshui Road, Xiqing District, Tianjin, Tianjin Co-patentee before: Tianjin Yirui Biological Engineering Co., Ltd. Patentee before: Tianjin Polytechnic University |
|
| CP01 | Change in the name or title of a patent holder |