CN206899081U - A kind of good airproof performance and change chip efficiently micro-fluidic sample introduction fixture - Google Patents
A kind of good airproof performance and change chip efficiently micro-fluidic sample introduction fixture Download PDFInfo
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- CN206899081U CN206899081U CN201720340697.6U CN201720340697U CN206899081U CN 206899081 U CN206899081 U CN 206899081U CN 201720340697 U CN201720340697 U CN 201720340697U CN 206899081 U CN206899081 U CN 206899081U
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- rotating shaft
- cover plate
- sample introduction
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Abstract
It the utility model is related to a kind of good airproof performance and change chip efficiently micro-fluidic sample introduction fixture, it includes micro-fluidic joint, base, upper cover plate, set lever and gasket seal；The micro-fluidic joint is on the upper cover plate；The base is provided with first rotating shaft, and the upper cover plate is connected by the first rotating shaft with the base；The upper cover plate is provided with second rotating shaft parallel with the first rotating shaft, and the set lever is connected by second rotating shaft with the upper cover plate；The base is provided with micro-fluidic chip neck, and the gasket seal is at the micro-fluidic chip neck, for being sealed to micro-fluidic chip；The base is provided with self-locking pin, and the set lever is provided with the neck with the self-locking bayonet fittings.Micro-fluidic sample introduction fixture of the present utility model, its apparatus structure is simple, good airproof performance, to change chip quick.
Description
Technical field
The utility model belongs to micro-fluidic chip feed liquor clamp art, and in particular to a kind of good airproof performance and replacing core
Piece efficiently micro-fluidic sample introduction fixture.
Background technology
Micro-fluidic chip feed liquor fixture is clamped using chip fixture apparatus to chip, and the hole site above fixture is set
Meter can ensure the complete alignment and sealing of feed liquor, coordinate top hose, joint sealing pad and Micropump, realize micro-fluidic chip
Rapid liquid inlet.
Existing sample introduction clamp-replacing chip need to first loosen the fishbolt on both sides, again lock fishbolt after changing chip
Tightly；Sample introduction joint needs to lock feed liquor flexible pipe by screw thread twice, and sample introduction joint lock enters depth without demarcation, causes each
The sealing of individual joint and chip is elastic to differ, and easily causes the phenomenon of leakage.
In order to realize the industrialization of micro-fluidic sampling technique, it is fast to explore a kind of simple in construction, good seal performance, replacing chip
Prompt sample introduction fixture is significant.
Utility model content
In order to realize quick, easy, efficient, accurate input mode, the utility model provides a kind of simple in construction, sealing
Property it is good, change chip efficiently micro-fluidic sample introduction fixture.
The technical solution adopted in the utility model is as follows：
A kind of micro-fluidic sample introduction fixture, including micro-fluidic joint, base, upper cover plate, set lever and gasket seal；It is described
Micro-fluidic joint is on the upper cover plate；The base is provided with first rotating shaft, and the upper cover plate passes through the first rotating shaft
It is connected with the base；The upper cover plate is provided with second rotating shaft parallel with the first rotating shaft, and the set lever passes through institute
The second rotating shaft is stated to be connected with the upper cover plate；The base is provided with micro-fluidic chip neck, and the gasket seal is located at described
At micro-fluidic chip neck, for being sealed to micro-fluidic chip；The base is provided with self-locking pin, the set lever
It is provided with the neck with the self-locking bayonet fittings.
Further, the micro-fluidic joint is one or more, and it includes needle tubing, for being oriented to insertion feed liquor flexible pipe extremely
Micro-fluidic joint needle tubing bottom, needle tubing are interference fitted with feed liquor flexible pipe, seal the connection of feed liquor flexible pipe.
Further, the micro-fluidic joint, which includes, locks spacing end face and seal face；All micro-fluidic joints are being locked
Next, its seal face is in same level, to ensure sealing property.
Further, the first rotating shaft is a long rotating shaft.
Further, second rotating shaft includes two short rotating shafts, respectively positioned at two relative sides of the upper cover plate
Face, and be located along the same line.
Further, the self-locking pin is two, respectively positioned at two relative sides of the base, and positioned at same
On one straight line.
Further, the base is provided with the locating dowel for being used for being positioned to the gasket seal, the sealing gasket
Piece is provided with the positioning hole coordinated with the locating dowel.
When fixing micro-fluidic chip using above-mentioned micro-fluidic sample introduction fixture, it is oriented to and inserts along needle tubing first on micro-fluidic joint
Enter feed liquor flexible pipe；Set lever is then pulled up, set lever is rotated up along the second rotating shaft, upper cover plate is upward along first rotating shaft
Rotate；Then by the neck of micro-fluidic chip inserted base；Then load gasket seal on micro-fluidic chip top, will seal
Pad is positioned on base；Set lever is finally pulled down, upper cover plate is compressed gasket seal, and realized certainly by self-locking pin
Lock.
The beneficial effects of the utility model are：
Micro-fluidic its apparatus structure of sample introduction fixture of the present utility model is simply exquisite, can realize fast self-locking；Using flat
Face contacts seal form, good airproof performance；Replacing chip is quick and stability is good.
Brief description of the drawings
Fig. 1 is the overall installation diagram of the fixture opened in embodiment.
Fig. 2 is the schematic diagram of micro-fluidic joint in embodiment.
Fig. 3 is the overall installation diagram that upper cover plate closes in embodiment.
Fig. 4 is the overall installation diagram locked in embodiment.
Embodiment
Below by specific embodiments and the drawings, the utility model is described further.
The present embodiment provides a kind of good airproof performance and changes chip efficiently micro-fluidic sample introduction fixture.Fig. 1 is the folder opened
Has overall installation diagram.As shown in figure 1, the fixture includes micro-fluidic joint 1 (joint quantity is depending on actual use demand),
Set lever 2 (1), upper cover plate 3 (1), gasket seal 4 (1), base 5 (1), short rotating shaft 6 (2), self-locking pin 7
(2), long rotating shaft 8 (1).9 be micro-fluidic chip in figure.
Wherein, micro-fluidic joint 1 includes needle tubing, and insertion feed liquor flexible pipe, extremely micro-fluidic joint needle tubing bottom are oriented to along needle tubing,
Needle tubing is interference fitted with feed liquor flexible pipe, seals the connection of feed liquor flexible pipe.Fig. 2 is the signal of micro-fluidic joint in the present embodiment
Figure, it includes needle tubing 10, spanner neck 11, screw thread 12, seal face 13, locks spacing end face 14.All micro-fluidic joints
It is consistent with seal face size to lock spacing end face, after ensureing micro-fluidic joint installation locking, seal face in same level,
Sealing property is effectively ensured.
Wherein, two short rotating shaft 6 is the rotary shaft that set lever realizes self-locking, relative positioned at two of upper cover plate respectively
Side, and be located along the same line；Set lever 2 rotates along short rotating shaft 6, for being pressed between micro-fluidic joint and micro-fluidic chip
Tightening seal；Set lever 2 is provided with the neck coordinated with self-locking pin 7, self-locking is realized by self-locking pin 7, so as to keep close
Envelope state.
Wherein, long rotating shaft 8 is the rotary shaft that base 5 steadily compresses with upper cover plate 3；Upper cover plate 3 rotates along long rotating shaft 8, on
Portion locks micro-fluidic joint, and effect is the seal distance for maintaining like all micro-fluidic joints.
Wherein, gasket seal 4 uses flexible material, and upper cover plate is compressed when compressing, and is ensured between chip and micro-fluidic joint
Without leakage.
Wherein, base 5 positions for micro-fluidic chip, gasket seal positioning, upper cover plate rotating shaft positioning, and installs self-lock pin
Nail 7.Base 5 is provided with the locating dowel for being used for being positioned to gasket seal, and gasket seal is provided with to be coordinated with the locating dowel
Positioning hole.Self-locking pin 7 is two, respectively positioned at two relative sides of base, and is located along the same line.
When using above-mentioned micro-fluidic sample introduction fixture installation or changing micro-fluidic chip, whole sample introduction process is divided into following step
Suddenly：
First, feed liquor flexible pipe is inserted：On micro-fluidic joint 1, insertion feed liquor flexible pipe is oriented to along needle tubing, to micro-fluidic joint
Needle tubing bottom；
Then, fixture is opened：Set lever 2 is pulled upwardly, set lever 2 is rotated up along rotating shaft 6, while set lever
Neck on 2 departs from self-locking pin 7, and upper cover plate 3 is rotated up opening fixture along rotating shaft 8, and the fixture after opening is as shown in Figure 1；
Then tightening micro-fluidic joint 1 clockwise, (it is in order to avoid micro-fluidic joint damages that micro-fluidic joint is just tightened after opening fixture
Micro-fluidic chip), it can ensure that micro-fluidic joint can be locked into extreme position after opening fixture, keep all micro-fluidic joints high
Degree is consistent；
Then, micro-fluidic chip is inserted：By in the micro-fluidic chip neck of micro-fluidic chip inserted base 5, visually inspect
Chip insertion position to the neck bottom；
Then, gasket seal is installed：Load gasket seal 4 on micro-fluidic chip top, it is necessary to keep on gasket seal
Four positioning holes are nested into the locating dowel of base 5；
Finally, self-locking is fixed：The neck (neck with self-locking bayonet fittings) on set lever 2 is kept to be directed at self-locking pin
7, upper cover plate 3 is covered, as shown in Figure 3；Then rotate backward set lever 2, is compacted to flush position, self-locking pin 7 is positioned at lock
In neck on tight handle 2, so as to realize the self-locking of set lever 2, chip, which is fixed, to be completed, as shown in Figure 4.
In the utility model, micro-fluidic joint 1 is not limited to needle tubing form, can also feed liquor flexible pipe insertion coupler bore shape
Formula is installed.
In the utility model, the quantity of rotating shaft 6 and rotating shaft 8 can voluntarily adjusted design, the work of smooth rotation can be reached
With the quantity being not limited in above example.
In the utility model, the quantity of self-locking pin 7 can be with flexible design, for example designs integral one, it is therefore an objective to real
Existing self-locking.
In the utility model, independently installed gasket seal 4 is to change the pad damaged, other installation forms for convenience
Also it is affixed to cover plate bottom or in the micro-fluidic bottom mounting O-shaped rings of joint 1, bonding minipad etc..
Above example only to illustrate the technical solution of the utility model rather than be limited, this area it is common
The technical solution of the utility model can be modified by technical staff or equivalent substitution, without departing from essence of the present utility model
God and scope, the scope of protection of the utility model should be to be defined described in claims.
Claims (7)
1. a kind of good airproof performance and change chip efficiently micro-fluidic sample introduction fixture, it is characterised in that including micro-fluidic joint, bottom
Seat, upper cover plate, set lever and gasket seal；The micro-fluidic joint is on the upper cover plate；The base is provided with the
One rotating shaft, the upper cover plate are connected by the first rotating shaft with the base；The upper cover plate is provided with and the first rotating shaft
The second parallel rotating shaft, the set lever are connected by second rotating shaft with the upper cover plate；The base is provided with micro-
Fluidic chip neck, the gasket seal is at the micro-fluidic chip neck, for being sealed to micro-fluidic chip；Institute
State base and be provided with self-locking pin, the set lever is provided with the neck with the self-locking bayonet fittings.
2. good airproof performance as claimed in claim 1 and change chip efficiently micro-fluidic sample introduction fixture, it is characterised in that：It is described
Micro-fluidic joint is one or more, and it includes needle tubing, for being oriented to insertion feed liquor flexible pipe to micro-fluidic joint needle tubing bottom；Institute
State needle tubing to be interference fitted with feed liquor flexible pipe, seal the connection of feed liquor flexible pipe.
3. good airproof performance as claimed in claim 1 and change chip efficiently micro-fluidic sample introduction fixture, it is characterised in that：It is described
Micro-fluidic joint, which includes, locks spacing end face and seal face；The seal face of all micro-fluidic joints after locking is in same water
Plane, to ensure sealing property.
4. good airproof performance as claimed in claim 1 and change chip efficiently micro-fluidic sample introduction fixture, it is characterised in that：It is described
First rotating shaft is a long rotating shaft.
5. good airproof performance as claimed in claim 1 and change chip efficiently micro-fluidic sample introduction fixture, it is characterised in that：It is described
Second rotating shaft includes two short rotating shafts, respectively positioned at two relative sides of the upper cover plate, and is located along the same line.
6. good airproof performance as claimed in claim 1 and change chip efficiently micro-fluidic sample introduction fixture, it is characterised in that：It is described
Self-locking pin is two, respectively positioned at two relative sides of the base, and is located along the same line.
7. good airproof performance as claimed in claim 1 and change chip efficiently micro-fluidic sample introduction fixture, it is characterised in that：It is described
Base is provided with the locating dowel for being used for being positioned to the gasket seal, and the gasket seal is provided with matches somebody with somebody with the locating dowel
The positioning hole of conjunction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720340697.6U CN206899081U (en) | 2017-04-01 | 2017-04-01 | A kind of good airproof performance and change chip efficiently micro-fluidic sample introduction fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720340697.6U CN206899081U (en) | 2017-04-01 | 2017-04-01 | A kind of good airproof performance and change chip efficiently micro-fluidic sample introduction fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206899081U true CN206899081U (en) | 2018-01-19 |
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| CN201720340697.6U Active CN206899081U (en) | 2017-04-01 | 2017-04-01 | A kind of good airproof performance and change chip efficiently micro-fluidic sample introduction fixture |
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| CN (1) | CN206899081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115635439A (en) * | 2022-12-23 | 2023-01-24 | 微纳动力(北京)科技有限责任公司 | Micro-fluidic chip anchor clamps |
-
2017
- 2017-04-01 CN CN201720340697.6U patent/CN206899081U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115635439A (en) * | 2022-12-23 | 2023-01-24 | 微纳动力(北京)科技有限责任公司 | Micro-fluidic chip anchor clamps |
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