CN207042507U - Preposition suction gun - Google Patents
Preposition suction gun Download PDFInfo
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- CN207042507U CN207042507U CN201720625817.7U CN201720625817U CN207042507U CN 207042507 U CN207042507 U CN 207042507U CN 201720625817 U CN201720625817 U CN 201720625817U CN 207042507 U CN207042507 U CN 207042507U
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- imbibition
- central siphon
- beam barrel
- outer beam
- servo
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Abstract
It the utility model is related to biochemical test technical field, more particularly to a kind of preposition suction gun.Outer beam barrel, the outer beam barrel interior axle are provided with the receiving opening for accommodating the imbibition central siphon to direction；Lift component, lifting component includes being arranged at the pulling part on the outside of the outer beam barrel and the servo-actuated portion being arranged on the imbibition central siphon, outer shaft side wall is provided with the lifting through hole that can pass through the pulling part, and one end that pulling part is arranged in the outer beam barrel is connected with the servo-actuated portion and the servo-actuated portion, imbibition central siphon can be driven to move up；The lower end of the imbibition central siphon can stretch out or retraction described in outer beam barrel.The utility model sets lifting component that imbibition central siphon can be driven to lift upwards, and because imbibition central siphon stretches out the suction nozzle that is arranged of one end of outer barrel axle, and the diameter of suction nozzle is more than the diameter of the receiving opening of outer barrel axle；Imbibition central siphon can be made to be separated with suction nozzle, so can effectively realize experimenter's one hand just can quick-replaceable suction nozzle, improve change efficiency.
Description
Technical field
It the utility model is related to attractor technical field, more particularly to a kind of preposition suction gun.
Background technology
In biochemical test, it is necessary to when the liquid in vessel is all suctioned out, it is common practice that matched somebody with somebody using manual attractor
Disposable tip is closed, the vessel of each sample are attracted, and when attracting next vessel every time, it is necessary to a hand
The end of attractor is held, a suction nozzle pulls out away again a slotting new suction nozzle again in another hand handle, to ensure sample room not
Cross pollution can be carried out.
The sucking head of attractor is in negative pressure state, and such atmospheric pressure will squeeze the material outside sucking head to sucking head
Pressure, central caused pressure differential can complete the effect " attracted ".
But existing most of single channel negative-pressure suction lead devices are required for bimanualness, attractor is held in a hand
Another hand is needed to change suction nozzle, the excessively tediously long efficiency for reducing laboratory staff of overall process simultaneously.
Therefore, a kind of attractor how is proposed, can solve the problem that one hand of experimenter holds attractor in the prior art
Need another hand to change suction nozzle simultaneously, be those skilled in the art's technical issues that need to address.
Utility model content
The purpose of this utility model is to propose a kind of preposition suction gun, can solve the problem that prior art is existing and change suction nozzle
Process time is long, changes the low problem of efficiency.
To use following technical scheme up to this purpose, the utility model：
A kind of preposition suction gun is provided, including：
Imbibition central siphon；
Outer beam barrel, the outer beam barrel axial direction of the outer beam barrel interior edge are provided with the receiving opening for accommodating the imbibition central siphon；
Component is lifted, the lifting component includes being arranged at the pulling part on the outside of the outer beam barrel and is arranged at the suction
Servo-actuated portion on liquid central siphon, the outer shaft side wall are provided with the lifting through hole that can pass through the pulling part, the pulling part
The one end being arranged in the outer beam barrel is connected with the servo-actuated portion and can drive the servo-actuated portion, imbibition central siphon is to moving up
It is dynamic；
The lower end of the imbibition central siphon can stretch out or retraction described in outer beam barrel.
Set lifting component that imbibition central siphon can be driven to lift upwards in the utility model, because imbibition central siphon stretches out outer barrel
One end of axle is arranged suction nozzle, and the diameter of suction nozzle is more than the diameter of the receiving opening of outer barrel axle；Imbibition central siphon can be made with inhaling
Head separation, and then can effectively realize experimenter's one hand just can quick-replaceable suction nozzle, improve change efficiency.
Preferably, also including recovery component, the recovery component is used to recover the position of imbibition central siphon.
The purpose that recovery component is set be in order that suction nozzle separates with the nozzle of imbibition central siphon after, imbibition central siphon is replied immediately soon
Position, it is not necessary to which the operation of experimenter's hand can be realized as imbibition central siphon and reset work.
Preferably, being connected in the outer shaft side wall to drive the servo-actuated portion of can rotating of the pulling part
Move up.
It is arranged on what pulling part rotated in outer shaft side wall, experimenter's thumb can be facilitated directly to lift imbibition axle
Pipe, the purpose for setting servo-actuated portion are to ensure that pulling part lifts imbibition central siphon.
Preferably, the servo-actuated portion includes beam barrel, the beam barrel is sheathed on the imbibition central siphon and the beam barrel bottom
Portion is connected with the pulling part.
The purpose for setting beam barrel is then to coordinate with pulling part, and then can ensure that imbibition central siphon is lifted upwards.
Preferably, the servo-actuated portion also includes the first spacing ring, first spacing ring is arranged on the top of the beam barrel
Portion, the first holding tank for accommodating first spacing ring is additionally provided with the imbibition central siphon lateral wall.
The purpose for limiting the first spacing ring is then that can prevent beam barrel from coordinating for a long time with pulling part to cause beam barrel in imbibition axle
Relative slip occurs on pipe, prevents pulling part from failing.First spacing ring and the first holding tank coordinate, and prevent that the first spacing ring is relative
Imbibition central siphon slides.
Preferably, the imbibition central siphon includes axis body, suction pipe pullover and nozzle, described axis body one end and the suction pipe
Pullover is connected, and the other end of the axis body is connected with the nozzle.
Its central axis is that integral type is connected with suction pipe pullover, while suction pipe pullover is threadedly coupled with nozzle, this kind of structure energy
Enough it is convenient for changing nozzle.
Preferably, the recovery component includes the second spacing ring and elastic restoring piece, second spacing ring is arranged
Abutted on the imbibition central siphon and with the elastic restoring piece, the receiving opening can accommodate the recovery component so that institute
Stating recovery component drives imbibition central siphon to reset.
Recovery component includes the second spacing ring and elastic restoring piece, the second spacing ring be set on imbibition central siphon and with elasticity
Restoring piece abuts, and can ensure that spacing ring extrudes elastic restoring piece with the movement of imbibition central siphon, recovers the elastic restoring piece later stage.
Preferably, the elastic restoring piece is spring, the second holding tank, institute are additionally provided with the imbibition central siphon side wall
State the second spacing ring to be arranged in second holding tank, and the spring one end abuts with second spacing ring, the other end
Abutted with the receiving opening.
Elastic restoring piece is spring, and then makes structure overall simple, is easy to produce in batches, and the second spacing ring is arranged on second
In holding tank, it can effectively prevent the second spacing ring from being moved relative to imbibition central siphon.
Preferably, the outer beam barrel is pyramidal structure close to one end longitudinal cross-section of suction nozzle.
Outer barrel axle is arranged to pyramidal structure, experimenter visual field in imbibition process can be facilitated not to be blocked, together
When pyramidal structure outer barrel axle can realize quick-replaceable suction nozzle.
Preferably, the axis body includes the split portion no less than three, multiple split portions are sequentially connected.
Axis body is arranged into multiple split portions as needed to lengthen axis body, wherein can pass through screw thread between split portion
Connection or interference fit connection.
Brief description of the drawings
Fig. 1 is the structural representation of preposition suction gun provided by the utility model；
Fig. 2 is the partial enlarged drawing at Fig. 1 A.
1st, imbibition central siphon；11st, suction pipe pullover；12nd, axis body；121st, the first holding tank；122nd, the second holding tank；13rd, nozzle；
2nd, outer beam barrel；21st, receiving opening；22nd, through hole is lifted；3rd, component is lifted；31st, pulling part；32nd, it is servo-actuated portion；321st, beam barrel；
322nd, the first spacing ring；4th, recovery component；41st, the second spacing ring；42nd, elastic restoring piece.
Embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings and pass through
Embodiment further illustrates the technical solution of the utility model.
A kind of preposition suction gun is present embodiments provided, experimenter's one hand quick-replaceable suction nozzle can be realized, is improved more
The replacing speed of suction nozzle is changed, as shown in Figure 1-2, the preposition suction gun includes：
Imbibition central siphon 1, imbibition central siphon 1 are used to be connected with suction nozzle to be sucked out liquid；
Outer beam barrel 2, the outer axial direction of beam barrel 1 of the outer interior edge of beam barrel 2 are provided with the receiving for accommodating the imbibition central siphon 1
Through hole 21；Wherein receiving opening is non-standard holes, i.e. receiving opening includes the different hole of two kinds of diameters, and two kinds of different-diameters
Hole is coaxially arranged alternately；
Component 3 is lifted, the lifting component 3 includes being arranged at the pulling part 31 in the outside of outer beam barrel 2 and is arranged at
Servo-actuated portion 32 on the imbibition central siphon 1, the outer side wall of beam barrel 2 are provided with the lifting through hole that can pass through the pulling part 31
22, one end that the pulling part 31 is arranged in the outer beam barrel 2 is connected with the servo-actuated portion 32 and can driven described servo-actuated
Portion 32, imbibition central siphon 1 move up；
The lower end of imbibition central siphon 1 can stretch out or retraction described in outer beam barrel 2.Above-mentioned imbibition central siphon 1 axially arranged has along its
Imbibing hole 14 allows the liquid to be sucked out by imbibition central siphon 1, in order to prevent sucking liquid from causing to corrode to imbibition central siphon, this reality
To apply and be provided with imbibition inner tube in example in imbibing hole 14, imbibition inner tube is silicone tube, and the silicone tube external diameter is equal to the diameter of imbibing hole 14,
And then it can ensure that imbibition inner tube lateral wall is bonded with imbibing hole side wall.
Abutted it should be noted that being servo-actuated portion 32 in the present embodiment with pulling part 31, the two need not be by other connectors just
It can realize that pulling part 31 drives servo-actuated portion 32 to move up.Being servo-actuated portion 32 in certain other embodiment can be with pulling part 31
It is welded to connect, or is connected by other connectors.
In order to realize that imbibition central siphon 1 automatically resets after being lifted, in addition to recovery component 4, the recovery component 4 are used
Recover in by the position of imbibition central siphon 1.Wherein, recovery component 4 includes the second spacing ring 41 and elastic restoring piece 42, the appearance
Through hole 21 of receiving can accommodate the recovery component 4 so that the recovery component 4 drives imbibition central siphon 1 to reset.The present embodiment is hit by a bullet
Property restoring piece 42 is spring, the second holding tank 122 is additionally provided with the side wall of imbibition central siphon 1, second spacing ring 41 is set
It is placed in second holding tank 122, and the spring one end abuts with second spacing ring 41, the other end and the appearance
Through hole 21 of receiving abuts.
Wherein receiving opening 21 includes the first receiving opening and the second receiving opening, and the first receiving opening and second accommodate logical
Bore dia is different, wherein the first receiving opening is staggered with the second receiving opening, and recovery component is arranged on what is be relatively large in diameter
In first receiving opening or the second receiving opening, wherein the first receiving opening does not limit in the present embodiment with the second receiving opening
It is fixed.
What above-mentioned pulling part 31 can rotate be connected in the side wall of outer beam barrel 2 to drive the servo-actuated portion 32 to
Upper movement.As shown in Fig. 2 wherein, the servo-actuated portion 32 includes beam barrel 321, the beam barrel 321 is sheathed on the imbibition central siphon 1
The upper and described bottom of beam barrel 321 is connected with the pulling part 31, and the purpose of setting beam barrel 321 is in order that pulling part 31 will be with
Dynamic portion 32 lifts upwards, and this kind simple in construction, can realize the cooperation of pulling part 31 and servo-actuated portion 32.
The servo-actuated portion 32 also includes the first spacing ring 322, and first spacing ring 322 is arranged on the beam barrel 321
Top, the first holding tank 121 for accommodating first spacing ring 322 is additionally provided with the lateral wall of imbibition central siphon 1.First limit
Position ring 322 coordinates with the first holding tank 121, and it is relative can to prevent that the first spacing ring and beam barrel 321 from occurring relative to imbibition central siphon
Slide, prevent pulling part 31 from being failed in slewing area.
Imbibition central siphon described in the present embodiment 1 includes axis body 12, suction pipe pullover 11 and nozzle 13, described one end of axis body 12
It is connected with the suction pipe pullover 11, the other end of the axis body 12 is connected with the nozzle 13.Its central axis 12 and suction pipe pullover
11 be integral type structure, and is then connected through a screw thread between nozzle 13 and axis body 12, facilitates the later stage to change nozzle 13 or axle
Body 12.
The outer beam barrel 2 close to one end longitudinal cross-section of suction nozzle be pyramidal structure expanding the visual field of experimenter, also
Outer beam barrel external diameter can be prevented to be more than the diameter of culture dish, cause nozzle to be stretched into culture dish deeper.
Outer beam barrel 2 includes the split portion no less than three, and multiple split portions are sequentially connected and then can form outer shaft
Cylinder, it should be noted that the through hole being relatively large in diameter in the first receiving opening and the second receiving opening is provided with internal thread, each
First receiving opening and second receiving opening are provided with split portion, one end that split portion is not provided with internal thread is set
External screw thread is equipped with to be used for and adjacent split portion threaded connection.Outer barrel axle 2 can be carried out length tune by this kind of structure as needed
Section.
It is as follows that the preposition suction gun provided in the present embodiment changes suction nozzle process：
Experimenter's one hand holds the outer beam barrel 2 of preposition suction gun, the pulling part 31 of thumb low pressure lifting component and to
Upper push-and-pull, now the first spacing ring 322 drive imbibition central siphon 1 to be moved upwards under the push-and-pull of pulling part 31, it is outer due to suction nozzle
Footpath, internal diameter are all higher than the external diameter of outer beam barrel 2, and then suction nozzle is blocked in the outside of outer beam barrel 2, with the increase of lifting power,
And then suction nozzle can be made to be separated with imbibition central siphon 1, the purpose of experimenter's replaced by one hand suction nozzle is realized, when the new suction nozzle of installation
When, experimenter's one hand pushes the nozzle alignment suction nozzle of imbibition central siphon the connection that suction nozzle and nozzle can be achieved.
Pay attention to, general principle and principal character of the present utility model and of the present utility model excellent has been shown and described above
Point.It should be understood by those skilled in the art that the utility model is not limited to the embodiments described above, above-mentioned embodiment and say
Simply illustrate principle of the present utility model described in bright book, on the premise of the spirit and scope of the utility model is not departed from, this
Utility model also has various changes and modifications, and these changes and improvements are both fallen within claimed the scope of the utility model,
Claimed scope of the present utility model is by appended claims and its equivalent thereof.
Claims (10)
- A kind of 1. preposition suction gun, it is characterised in that including：Imbibition central siphon (1)；Outer beam barrel (2), the outer beam barrel axial direction of the outer beam barrel interior edge are provided with the receiving opening for accommodating the imbibition central siphon (1) (21)；Component (3) is lifted, the lifting component (3) includes being arranged at the pulling part (31) on the outside of the outer beam barrel (2) and setting The servo-actuated portion (32) being placed on the imbibition central siphon (1), outer beam barrel (2) side wall, which is provided with, can pass through the pulling part (31) lifting through hole (22), the pulling part (31) are arranged on one end and the servo-actuated portion (32) in the outer beam barrel (2) Connection, and the pulling part (31) can drive the servo-actuated portion (32), imbibition central siphon (1) to move up；The lower end of the imbibition central siphon (1) can stretch out or retraction described in outer beam barrel (2).
- 2. preposition suction gun according to claim 1, it is characterised in that also including recovery component (4), the recovery component (4) it is used to recover the position of imbibition central siphon (1).
- 3. preposition suction gun according to claim 2, it is characterised in that what the pulling part (31) can rotate is connected to Driving the servo-actuated portion (32) to move up in outer beam barrel (2) side wall.
- 4. preposition suction gun according to claim 3, it is characterised in that the servo-actuated portion (32) includes beam barrel (321), institute State that beam barrel (321) is sheathed on the imbibition central siphon (1) and the beam barrel (321) bottom is connected with the pulling part (31).
- 5. preposition suction gun according to claim 4, it is characterised in that the servo-actuated portion (32) also includes the first spacing ring (322), first spacing ring (322) is arranged on the top of the beam barrel (321), is gone back on imbibition central siphon (1) lateral wall It is provided with the first holding tank (121) for accommodating first spacing ring (322).
- 6. preposition suction gun according to claim 5, it is characterised in that the imbibition central siphon (1) includes axis body (12), inhaled Pipe sleeve head (11) and nozzle (13), described axis body (12) one end are connected with the suction pipe pullover (11), the axis body (12) The other end is connected with the nozzle (13).
- 7. preposition suction gun according to claim 6, it is characterised in that the recovery component (4) includes the second spacing ring (41) and elastic restoring piece (42), second spacing ring (41) be set on the imbibition central siphon (1) and with the elasticity Restoring piece (42) abuts, and the receiving opening (21) can accommodate the recovery component (4) so that the recovery component (4) drives Imbibition central siphon (1) resets.
- 8. preposition suction gun according to claim 7, it is characterised in that the elastic restoring piece (42) is spring, described The second holding tank (122) is additionally provided with imbibition central siphon (1) side wall, second spacing ring (41) is arranged at described second and accommodated In groove (122), and the spring one end abuts with second spacing ring (41), and the other end supports with the receiving opening (21) Connect.
- 9. preposition suction gun according to claim 8, it is characterised in that the outer beam barrel (2) is indulged close to one end of suction nozzle It is pyramidal structure to section.
- 10. preposition suction gun according to claim 9, it is characterised in that the outer beam barrel (2) is included no less than three Split portion, multiple split portions are sequentially connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625817.7U CN207042507U (en) | 2017-06-01 | 2017-06-01 | Preposition suction gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625817.7U CN207042507U (en) | 2017-06-01 | 2017-06-01 | Preposition suction gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207042507U true CN207042507U (en) | 2018-02-27 |
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ID=61490415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720625817.7U Active CN207042507U (en) | 2017-06-01 | 2017-06-01 | Preposition suction gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207042507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107051602A (en) * | 2017-06-01 | 2017-08-18 | 深圳市港科深研生物科技有限公司 | Preposition suction gun |
-
2017
- 2017-06-01 CN CN201720625817.7U patent/CN207042507U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107051602A (en) * | 2017-06-01 | 2017-08-18 | 深圳市港科深研生物科技有限公司 | Preposition suction gun |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Area A, 5th Floor, Building B, TCL Industrial Park, 1055 Nanhai Avenue, Shekou Street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Shen Yan biological science and Technology Co., Ltd. Address before: 518000 Area A, 5th Floor, Building B, TCL Industrial Park, 1055 Nanhai Avenue, Shekou Street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Gangke deep research Biotechnology Co. Ltd. |