CN207169776U - Liquid transfer gun head - Google Patents
Liquid transfer gun head Download PDFInfo
- Publication number
- CN207169776U CN207169776U CN201721110055.3U CN201721110055U CN207169776U CN 207169776 U CN207169776 U CN 207169776U CN 201721110055 U CN201721110055 U CN 201721110055U CN 207169776 U CN207169776 U CN 207169776U
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- CN
- China
- Prior art keywords
- pipe portion
- liquid
- connecting portion
- taper pipe
- gun head
- 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.)
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Abstract
The utility model is applied to experiment equipment technical field, a kind of liquid transfer gun head is provided, including pipette tips body and the first connecting tube, the first taper pipe portion that pipette tips body includes being sequentially connected, put liquid pipe portion, imbibition pipe portion and the first connecting portion for be threadedly coupled with the first connecting tube, first connecting portion is to be connected and be provided with externally threaded torus structure with the first taper pipe portion；First connecting tube includes can be with connecting portion tight fit the second taper pipe portion inserted of the first liquid-transfering gun and the second connecting portion being connected with the small end of the second taper pipe portion, second connecting portion is torus structure, and the inner ring of second connecting portion is provided with the internal thread coordinated with external screw thread.Liquid transfer gun head provided by the utility model compared with prior art, by setting a connecting tube being detachably connected with pipette tips body, realizes that liquid-transfering gun is not adapted to pipette tips body with script and can be adapted to installation, so as to strengthen the applicability of liquid transfer gun head using connecting tube.
Description
Technical field
The utility model belongs to experiment equipment technical field, is to be related to liquid transfer gun head more specifically.
Background technology
Liquid transfer gun head is in a kind of very big consumptive material of the field usage amount such as medical treatment, biology, chemistry, coordinates liquid-transfering gun to use,
Play a part of measuring liquid.Pass through the connecting portion and liquid-transfering gun in the tapered hole of liquid transfer gun head between liquid transfer gun head and liquid-transfering gun
Be in similar conical head connecting portion tight fit connection.But at present each manufacturer production liquid-transfering gun connecting portion taper or
Person's outside dimension may differ, and user have purchased liquid-transfering gun from a producer, it is necessary to the liquid-transfering gun being engaged from the purchase of this family
Head, user may have can not be adapted to that B manufacturers produce the from the adaptation that A manufacturers buy with the liquid transfer gun head of the second liquid-transfering gun
The problem of one liquid-transfering gun, this is just to user with usage experience many inconvenient for use and bad.
Utility model content
The purpose of this utility model is to provide a kind of liquid transfer gun head, it is intended to solves in the prior art because different manufacturers produce
Liquid-transfering gun connecting portion size it is different and caused by a kind of liquid transfer gun head can not be adapted to another manufacturer production liquid-transfering gun skill
Art problem.
To achieve the above object, the technical solution adopted in the utility model is：A kind of liquid transfer gun head, including pipette tips sheet are provided
Body and the first connecting tube, what the pipette tips body included being sequentially connected can insert with the connecting portion tight fit of the second liquid-transfering gun the
One taper pipe portion, put liquid pipe portion, imbibition pipe portion and the first connecting portion for being threadedly coupled with first connecting tube, described
One connecting portion is to be connected and be provided with externally threaded torus structure with the first taper pipe portion；First connecting tube includes energy
It is connected with the second taper pipe portion of the connecting portion tight fit inserting of the first liquid-transfering gun and with the small end of the second taper pipe portion
Second connecting portion, the second connecting portion are torus structure, and the inner ring of the second connecting portion is provided with matches somebody with somebody with the external screw thread
The internal thread of conjunction.
Further, the external screw thread and the internal thread are taper pipe thread.
Further, in addition to the first sealing gasket, the periphery of the first taper pipe portion is provided with first flange wall, and described
The periphery of two connecting portions is provided with second flange wall, and first sealing gasket is located in the first flange wall and the second flange
Between wall.
Further, first sealing gasket is fluorubber component.
Further, the inner ring diameter of the first connecting portion and the maximum inner ring diameter phase of the first taper pipe portion
Deng the minimum inner ring diameter of the second taper pipe portion is equal with the inner ring diameter of the second connecting portion.
Further, for the inlet of the imbibition pipe portion to tilt port, the inlet is provided with screen pack.
Liquid transfer gun head provided by the utility model compared with prior art, is detachably connected by setting one with pipette tips body
The connecting tube connect, realize that liquid-transfering gun is not adapted to pipette tips body with script and can be adapted to installation using connecting tube, so as to strengthen liquid relief
The applicability of pipette tips.
Brief description of the drawings
, below will be to embodiment or prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the decomposition texture schematic diagram for the liquid transfer gun head that the utility model embodiment provides；
Fig. 2 is the side view of pipette tips body in Fig. 1；
Wherein, each reference in figure：
1st, pipette tips body；11st, the first taper pipe portion；12nd, liquid pipe portion is put；13rd, imbibition pipe portion；131st, inlet；14th, first
Connecting portion；15th, first flange wall；2nd, the first connecting tube；21st, the second taper pipe portion；22nd, second connecting portion；23rd, second flange
Wall；4th, the first sealing gasket；5th, screen pack.
Embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with
Lower combination drawings and Examples, the utility model is further elaborated.It is it should be appreciated that described herein specific real
Example is applied only to explain the utility model, is not used to limit the utility model.
It should be noted that term " length ", " width ", " height ", " thickness ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " head ", " tail " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.
It should also be noted that, unless otherwise clearly defined and limited, " installation ", " connected ", " connection ", " fixation ",
Terms such as " settings " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be with
It is mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of individual element internal or the interaction relationship of two elements.For the ordinary skill in the art, Ke Yigen
Understand concrete meaning of the above-mentioned term in the utility model according to concrete condition.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In addition, " multiple ", " some " are meant that two or more, unless
It is another to have clearly specific limit.
Fig. 1 and Fig. 2 are referred to, now the embodiment of liquid transfer gun head provided by the utility model is illustrated.Liquid transfer gun head,
Including pipette tips body 1, the first connecting tube 2, pipette tips body 1 include be sequentially connected the first taper pipe portion 11, put liquid pipe portion 12, inhale
Liquid pipe portion 13 and the first connecting portion 14 that can be threadedly coupled respectively with the first connecting tube 2 and the second connecting tube 3.First connecting portion
14 are connected with the first taper pipe portion 11, and first connecting portion 14 is provided with externally threaded torus structure.First connecting tube 2 include with
Second taper pipe portion 21 of the connecting portion tight fit inserting of the first liquid-transfering gun and be connected with the small end of the second taper pipe portion 21 the
Two connecting portions 22, second connecting portion 22 are also torus structure, the inner ring of second connecting portion 22 is provided with coordinate with external screw thread in
Screw thread.In use, first the first connecting tube 2 being adapted with liquid-transfering gun is connected with the first liquid-transfering gun, then again by pipette tips body 1
It is connected in the first connecting tube 2, is so achieved that the original pipette tips body not being adapted with the first liquid-transfering gun may be mounted at
On first liquid-transfering gun.When largely using liquid-transfering gun, pipette tips body 1 can be only changed without dismantling the first connecting tube 2, every time will be new
Pipette tips body 1 be arranged on the first connecting tube 2 on.Alternatively, the first taper pipe portion 11 of pipette tips body 1 be in itself can be with
Second liquid-transfering gun to be installed（The connecting portion size of first liquid-transfering gun and the second liquid-transfering gun is different, i.e. the first taper pipe portion 11
Size is also different from the size of the second taper pipe portion 21）Connecting portion tight fit inserting attachment structure, i.e., pipette tips body 1 can
To be used separately as the liquid transfer gun head of the second liquid-transfering gun, the applicability for the liquid transfer gun head that such the utility model embodiment provides
More extensively, a liquid transfer gun head goes for the liquid-transfering gun of at least two producers product.
The liquid transfer gun head that the utility model embodiment provides compared with prior art, can by setting one and pipette tips body
The connecting tube of dismantling connection, realize that liquid-transfering gun is not adapted to pipette tips body with script and can be adapted to installation using connecting tube, so as to increase
The applicability of strong liquid transfer gun head.
Alternatively, liquid transfer gun head provided by the utility model is also elastic close on the second taper pipe portion inner ring including being laid on
Packing, by setting this elastic sealing gasket to make the first connecting tube 2 and the connecting portion of the liquid-transfering gun of a variety of different size sizes
Carry out sealing to be connected, so as to strengthen the connection scope of application of the first connecting tube 2.
Further, Fig. 1 is referred to, as a kind of embodiment of liquid transfer gun head provided by the utility model, outside
Screw thread and internal thread are taper pipe thread, the good airproof performance of taper pipe thread, it is ensured that the first connecting tube 2 or the second connecting tube
3 be connected with pipette tips body 1 after be not easy to reveal.
Further, Fig. 1 is referred to, the liquid transfer gun head that the utility model embodiment provides also includes the first sealing gasket 4, the
The periphery of one taper pipe portion 11 is provided with first flange wall 15, and the periphery of second connecting portion 22 is provided with second flange wall 23, and first is close
Packing 4 is located between first flange wall 15 and second flange wall 23.Between first connecting tube 2 and the connection of pipette tips body 1 all
Provided with the first sealing gasket 4, make the liquid transfer gun head better tightness after connection.
Further, the first sealing gasket 3 is fluorubber component, and fluorubber elasticity is good and is not easy to occur instead with biochemical preparation
Should.
Further, a kind of embodiment as liquid transfer gun head provided by the utility model, first connecting portion 14
Inner ring diameter it is equal with the maximum inner ring diameter of the first taper pipe portion 11, the minimum inner ring diameter of the second taper pipe portion 21 and
The inner ring diameter of two connecting portions 22 is equal.
Further, Fig. 1 and Fig. 2 are referred to, to tilt port, inlet 131 is provided with the inlet 131 of imbibition pipe portion 13
Screen pack 5.Also suspension is operated sometimes for liquid transfer gun head, is possible to have larger solid granulates during operation
Easily block inlet 131.Currently used way is a series of processing such as to be centrifuged or filtered in advance to suspension, these
Processing can take substantial amounts of manpower, material resources and time, by setting screen pack 5 in inlet 131, make to be more than filtering in suspension
The solid granulates in the aperture of net 5 are blocked in outside, and liquid and the solid granulates less than screen pack aperture can free in and out, and incline
The design of splay end mouth further increases feed liquor area, imbibition pipe portion 13 is unlikely to be blocked in the solid granulates of outside and blocks,
It is achieved thereby that the separation to solid granulates of different sizes in suspension.
Preferably, Fig. 1 and Fig. 2 are referred to, it is in 45 degree of angles to tilt port with the axial direction for putting liquid pipe portion 12.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
All any modification, equivalent and improvement made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (6)
1. liquid transfer gun head, including pipette tips body, the pipette tips body can be with the connecting portion of the second liquid-transfering gun including what is be sequentially connected
First taper pipe portion of tight fit inserting, put liquid pipe portion and imbibition pipe portion, it is characterised in that：Also include the first connecting tube, it is described
Pipette tips body also includes being used for the first connecting portion that be threadedly coupled with first connecting tube, the first connecting portion for it is described
First taper pipe portion is connected and is provided with externally threaded torus structure；First connecting tube includes can be with the company of the first liquid-transfering gun
The the second taper pipe portion and the second connecting portion that is connected with the small end of the second taper pipe portion of socket part tight fit inserting, described the
Two connecting portions are torus structure, and the inner ring of the second connecting portion is provided with the internal thread coordinated with the external screw thread.
2. liquid transfer gun head as claimed in claim 1, it is characterised in that：The external screw thread and the internal thread are Taper Pipe spiral shell
Line.
3. liquid transfer gun head as claimed in claim 1 or 2, it is characterised in that：Also include the first sealing gasket, first conical pipe
The periphery in portion is provided with first flange wall, and the periphery of the second connecting portion is provided with second flange wall, the first sealing gasket sandwiched
Between the first flange wall and the second flange wall.
4. liquid transfer gun head as described in claim 3, it is characterised in that：First sealing gasket is fluorubber component.
5. liquid transfer gun head as claimed in claim 1, it is characterised in that：The inner ring diameter of the first connecting portion and described first
The maximum inner ring diameter of taper pipe portion is equal, and the minimum inner ring diameter of the second taper pipe portion is interior with the second connecting portion
Loop diameter is equal.
6. liquid transfer gun head as claimed in claim 1, it is characterised in that：The inlet of the imbibition pipe portion is to tilt port, institute
State inlet and be provided with screen pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721110055.3U CN207169776U (en) | 2017-08-31 | 2017-08-31 | Liquid transfer gun head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721110055.3U CN207169776U (en) | 2017-08-31 | 2017-08-31 | Liquid transfer gun head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207169776U true CN207169776U (en) | 2018-04-03 |
Family
ID=61742385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721110055.3U Active CN207169776U (en) | 2017-08-31 | 2017-08-31 | Liquid transfer gun head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207169776U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108745431A (en) * | 2018-04-29 | 2018-11-06 | 孝感鑫财智能科技有限公司 | A kind of pipette tips mounting assembly of eight channel-types liquid-transfering gun |
| CN109777727A (en) * | 2019-03-11 | 2019-05-21 | 江西农业大学 | A kind of portable microbial suspension coating pipette tips and its design method |
-
2017
- 2017-08-31 CN CN201721110055.3U patent/CN207169776U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108745431A (en) * | 2018-04-29 | 2018-11-06 | 孝感鑫财智能科技有限公司 | A kind of pipette tips mounting assembly of eight channel-types liquid-transfering gun |
| CN109777727A (en) * | 2019-03-11 | 2019-05-21 | 江西农业大学 | A kind of portable microbial suspension coating pipette tips and its design method |
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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: 050000 No. 375 Yuanshi street, Yuanshi County, Shijiazhuang, Hebei Patentee after: Hebei crown Zhuo testing Polytron Technologies Inc. Address before: 050000 No. 375 Yuanshi street, Yuanshi County, Shijiazhuang, Hebei Patentee before: HEBEI GUANZHUO DETECTION TECHNOLOGY CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221026 Address after: Room 711, 2727, Chuangxin 1st Road, science and technology innovation city, Songbei District, Harbin City, Heilongjiang Province Patentee after: Heilongjiang Guanzhuo Detection Technology Co.,Ltd. Address before: 050000 No. 375 Yuanshi street, Yuanshi County, Shijiazhuang, Hebei Patentee before: Hebei crown Zhuo testing Polytron Technologies Inc. |
|
| TR01 | Transfer of patent right |