CN106754252A - Micromanipulation tube assembly - Google Patents
Micromanipulation tube assembly Download PDFInfo
- Publication number
- CN106754252A CN106754252A CN201710097677.5A CN201710097677A CN106754252A CN 106754252 A CN106754252 A CN 106754252A CN 201710097677 A CN201710097677 A CN 201710097677A CN 106754252 A CN106754252 A CN 106754252A
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- Prior art keywords
- pipe
- micromanipulation
- seal
- seal pipe
- support tube
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 56
- 230000001012 protector Effects 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 230000004224 protection Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 25
- 239000011521 glass Substances 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 9
- 239000005060 rubber Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 230000013011 mating Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000520 microinjection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M35/00—Means for application of stress for stimulating the growth of microorganisms or the generation of fermentation or metabolic products; Means for electroporation or cell fusion
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Biotechnology (AREA)
- Genetics & Genomics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Zoology (AREA)
- Cell Biology (AREA)
- Sustainable Development (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a kind of micromanipulation tube assembly; including pedestal, micromanipulation pipe, fender bracket, seal; micromanipulation pipe includes micromanipulation pipe free-end, micromanipulation pipe tail end; pedestal includes seal pipe and support tube; the tube cavity of support tube has support tube axial direction inner via hole; the tube cavity of seal pipe has seal pipe axial direction inner via hole, and seal pipe is closely placed in the inner via hole of the support tube of support tube axial direction；The micromanipulation pipe tail end of micromanipulation pipe is closely placed in the inner via hole of the seal pipe of seal pipe axial direction；Fender bracket has protector, and fender bracket end has the stopper slot being connected with protector；Seal includes seal pipe and closure, and seal pipe inside has sealing tube chamber, and closure is in mating connection with the mouth of pipe of seal pipe.The present invention is not only convenient for micro- operations, storage and transport, and improves the protection level of micromanipulation pipe so that micromanipulation pipe exempts from destruction or pollutes.
Description
Technical field
It is more particularly to a kind of the present invention relates to micromanipulation Manifold technology field, more particularly to a kind of micromanipulation tube assembly
Suitable for the micromanipulation pipe unit that cell, micro liquid are operated.
Background technology
The extensive use of micromanipulation pipe and biology laboratory, for the operation to cell, micro liquid etc..To micro- behaviour
Make pipe working end and design different structures, it is possible to achieve different functions.
Chinese patent CN202322807U discloses a kind of injection needle and installs module and needle holder component (patent application
Number for 201120458951.5), its open structure is as follows：Including injection needle, needle stand and needle holder；Wherein, it is described aobvious
Microinjection backshank end insertion needle stand pedestal endoporus is assembled into injection needle and installs module；The needle holder has an endoporus bar
Body；Be provided with a conical interface in the needle stand, described needle holder one end is provided with a conical fittings, the conical fittings with
Conical interface forms the connection of complementary type plug-in type.There is following defect in this patent：In the tail end of injection needle 1 insertion needle stand 2
Be assembled into injection needle and module be installed, and define needle stand 2 for transparent or translucent plastics with favorable elasticity or
Quality of rubber materials is made, and needle stand 2 includes an injection needle fixed pedestal 21 and a mounting seat 22, and mounting seat 22 is provided with described
Conical interface 24, needle holder 3 has an endoporus 32 through the body of rod, and its one end is provided with a conical fittings 31, conical fittings 31
Complementary type plug-in type is formed with conical interface 24 to be connected；It can thus be seen that the conical interface 24 of needle stand 2 and needle holder 3
Conical fittings 31 coordinate grafting, because needle stand 2 is inserted for the ease of injection needle 1, thus design needle stand 2 by elastomeric material
Manufacture, such needle stand 2 easily occurs rocking in use, swings, it has impact on micro- associative operation, and needle stand 2 outside
Portion is not stopped by pipe, after more than 1 insertion of injection needle needle stand 2 can be caused to clamp and not live injection needle 1, so as to influence
Micromanipulation quality.Complementary type grafting between conical fittings 31 and conical interface 24 so that needle holder 3 connects with needle stand 2
There is the defect such as unstable, insecure in binding structure and performance.
" needle stand " in above-mentioned patent is the pedestal with similar structures.Found in production practices, using plastics or rubber
Glue material matter has major defect by being molded the pedestal of production during completed knocked down products.First, produced using plastic material
Pedestal, material is hard, and " pedestal endoporus " size is fixed, and morphotropism is small, and the glass micromanipulation pipe of same specification is due to production
, inevitably there is larger tolerance in the limitation of technique.Only when glass micromanipulation pipe external diameter is non-with pedestal endoporus bore
Qualified finished product can be just assembled into when often consistent；The air-tightness when glass micromanipulation pipe external diameter is less than pedestal endoporus bore
Difference；Micromanipulation pipe cannot be smoothly installed into pedestal endoporus when glass micromanipulation pipe external diameter is more than pedestal endoporus bore,
Insertion by force will cause glass micromanipulation pipe to fracture, crush.Pedestal is used as using plastic material, yield rate is less than 40.0%.
Secondly, the pedestal for being produced using elastic materials such as rubber, " pedestal endoporus " or " the pre- glass micromanipulation pipe tail end that draws fixes circle
Hole " size has certain being expanded property, and the glass micromanipulation pipe major part consistent and slightly larger with pedestal endoporus aperture can be with
It is smoothly inserted into pedestal and forms preferable air-tightness connection, and the glass micromanipulation pipe smaller than pedestal endoporus aperture then can not
For assembling, the glass micromanipulation pipe utilization rate of same specification is less than 60.0%.Because the pedestal of the flexible materials such as rubber becomes
Shape is larger, and when in use, when being particularly connected with attachment means such as needle holder or suction nozzle pen, the glass in insertion pedestal shows
Microoperation tube portion is susceptible to fracture, causes injection pin module or suction nozzle normally to use, and fracture rate is up to 15.0%.
Using quality of rubber materials pedestal when, overall yield rate is about 50.0%.Again, thin-walled micromanipulation pipe is being used, it is especially thin
When wall plastics capillary soft tube is used as micromanipulation pipe, the either pedestal of plastics or quality of rubber materials, due to thin-walled plastic capillary
There is bending, deformation during flexible pipe insertion pedestal, packaging efficiency is low, and yield rate is extremely low.And the micro- behaviour of prior art
Make pipe without the fender bracket provided for protecting micromanipulation pipe so that micromanipulation pipe is easily caused carefully in transhipment or storage
Born of the same parents, the pollution of micro liquid, do not coordinate micromanipulation pipe to provide corresponding sealing guard block yet, are unfavorable for cell, micro
The protection of liquid.
The content of the invention
In place of in view of the shortcomings of the prior art, it is an object of the invention to provide a kind of easy to use, dependable performance
Micromanipulation tube assembly, be not only convenient for micro- operations, storage and transport, and improve the protected level of micromanipulation pipe
Not so that micromanipulation pipe exempts from destruction or pollutes.
The purpose of the present invention is achieved through the following technical solutions：
A kind of micromanipulation tube assembly, including pedestal, micromanipulation pipe, fender bracket, seal, the micromanipulation pipe one
End end is micromanipulation pipe free-end, and the micromanipulation pipe other end end is micromanipulation pipe tail end, the pedestal bag
Seal pipe and support tube are included, the tube cavity of the support tube has support tube axial direction inner via hole, the tube cavity tool of the seal pipe
There is seal pipe axial direction inner via hole, the seal pipe is closely placed in the inner via hole of the support tube of support tube axial direction；The micromanipulation
The micromanipulation pipe tail end of pipe is closely placed in the inner via hole of the seal pipe of seal pipe axial direction；The fender bracket has for protecting aobvious
The protector of microoperation pipe, the fender bracket end has the stopper slot that activity clamping is engaged with support tube, the stopper slot
It is connected with protector；The seal includes seal pipe and closure, and the seal pipe inside has sealing tube chamber, described close
One end end-enclosed of tube sealing, the other end end of the seal pipe has a mouth of pipe, the mouth of pipe phase of the closure and seal pipe
It is connected, the closure is used for the mouth of pipe of close encapsulation pipe, the sealing tube chamber of the seal pipe is used to coordinate storage to hold
Pedestal, micromanipulation pipe, fender bracket.
In order to the present invention is better achieved, the seal pipe is manufactured by flexible material, and the seal pipe interference fit is placed in
In the support tube axial direction inner via hole of support tube.Interference fit is provided with filtering in the seal pipe axial direction inner via hole of the seal pipe
Part, filtration members are used to filter out by some special components of micromanipulation pipe, such as bacterium, dust.The micromanipulation pipe
In the seal pipe axial direction inner via hole of tail end interference fit insertion seal pipe.
Currently preferred seal pipe, support tube manufacturing technology scheme are：The seal pipe is by silica gel, rubber or latex material
Material manufacture, the support tube is manufactured by plastics, nylon, metal, glass or carbon fibre material.
Preferably, the fender bracket is in integrally cylindrical shape, the notch of the stopper slot of the fender bracket is in " C " word
Shape, the notch of the stopper slot is engaged clamping with the pipe outer wall of support tube.
Preferably, notch one end of the stopper slot is spacing end A, the notch other end of stopper slot is spacing end
B, is provided with the limit convex grooving of " C " word shape, the limit convex grooving and support tube at the spacing end B of the stopper slot
Pipe outer wall cooperation activity clamping.
Preferably, being connected by connectivity slot between the stopper slot and protector.
Preferably, the pedestal passes through double injection forming method integrated injection molding system by seal pipe and support tube
Make.
Preferably, the hole internal diameter of seal pipe axial direction inner via hole is outer than micromanipulation pipe tail end in its natural state
The small 0.2mm of wall diameter.
Preferably, hole internal diameter big 0.5~1.0mm of the outer diameter of the seal pipe than support tube axial direction inner via hole.
The present invention compared with the prior art, with advantages below and beneficial effect：
(1) pedestal of the invention is made up of seal pipe and support tube, and seal pipe is manufactured from flexible material, and support tube is used
Hard material is manufactured, and seal pipe interference fit is closely connected in support tube, and support tube can be uniform to seal pipe one
Reaction stress so that the seal pipe axial direction inner via hole of the micromanipulation pipe tail end of micromanipulation pipe and seal pipe contacts more
For tight, while support tube selects hard material, it is easy to micro- operations, storage and transport；Seal pipe selects flexible material
Manufacture, after the seal pipe axial direction inner via hole of the micromanipulation pipe tail end insertion seal pipe of micromanipulation pipe, the seal pipe of seal pipe
The inner hole wall of axial inner via hole can tightly fix micromanipulation pipe so that micromanipulation pipe will not be moved or rock
Deng, while seal pipe can effectively protect micromanipulation pipe, to avoid micromanipulation pipe from being destroyed.
(2) the invention provides fender bracket, when fender bracket is for micromanipulation, storage and the transport of micromanipulation pipe
There is provided closely maintaining secrecy, because the micromanipulation pipe free-end for protecting micromanipulation pipe exempts from damaged, pollution etc., while
Micromanipulation pipe normalized operation is facilitated significantly, precision, accuracy rate and the success rate of experimental result is improve.It is of the invention
Stopper slot and limit convex grooving can be easy to the assembly and disassembly between pedestal and fender bracket so that assembling, dismounting are very
It is convenient, greatly facilitate people's operation；Protector of the invention causes that micromanipulation pipe will not be sent out upper and deviate and cause micro- behaviour
Make the side wall of pipe free-end crash protection groove, so as to protect micromanipulation pipe free-end, it is to avoid micromanipulation pipe free-end
Polluted.
(3) present invention also offers seal, seal can completely cut off above-mentioned assembling parts and be contacted with the external world；When not using
During micromanipulation pipe, micromanipulation pipe can be placed in fender bracket and protected, and fender bracket is collectively disposed at micromanipulation pipe
Closed environment protection is carried out in the sealing tube chamber of seal, the protection level of micromanipulation pipe is improve, be effectively prevent micro-
Operation, storage and the damage phenomenon when transporting, while also prevent micromanipulation pipe free-end exempts from damaged, pollution
Deng.
(4) present invention interference fit in the seal pipe axial direction inner via hole of seal pipe is provided with filtration members, and the filtration members can
To filter out by some special components of micromanipulation pipe, the accuracy rate and success rate of experimental result are improve.
Brief description of the drawings
Fig. 1 is the overall exploded perspective view after present invention dismounting；
Fig. 2 is the overall schematic after present invention storage；
Fig. 3 is the assembly structure diagram of micromanipulation pipe and pedestal；
Fig. 4 is the structural representation after seal pipe interference fit loads support tube；
Fig. 5 is the structural representation after micromanipulation pipe, seal pipe, support tube three tight fit installation；
Fig. 6 is the dimensional structure diagram of support tube in Fig. 5；
Fig. 7 is the structural representation of the first fender bracket；
Fig. 8 is second structural representation of fender bracket；
Fig. 9 is the structural representation of the third fender bracket；
Figure 10 is that pedestal assembles and disassemble two kinds of schematic diagrames of use state with fender bracket.
Wherein, it is entitled corresponding to the reference in accompanying drawing：
1- pedestals, 11- seal pipes, 111- seal pipes axial direction inner via hole, 12- support tubes, 121- support tube axles are inside
Through hole, 2- micromanipulation pipes, 21- micromanipulation pipe tail ends, 22- micromanipulation pipe free-ends, 3- filtration members, 4- protections
Frame, 41- stopper slots, the spacing end A of 411-, 412- limit convex groovings, 42- protectors, 43- connectivity slots, 5- seals,
51- closures, 52- seal pipes, 521- sealing tube chambers.
Specific embodiment
The present invention is described in further detail with reference to embodiment：
Embodiment
As shown in Fig. 1~Figure 10, a kind of micromanipulation tube assembly, including pedestal 1, micromanipulation pipe 2, fender bracket 4, sealing
Part 5, one end end of micromanipulation pipe 2 is micromanipulation pipe free-end 22, and the other end end of micromanipulation pipe 2 is micromanipulation pipe
Tail end 21, pedestal 1 includes seal pipe 11 and support tube 12, and the tube cavity of support tube 12 has support tube axial direction inner via hole 121, close
The tube cavity of tube sealing 11 has seal pipe axial direction inner via hole 111, and the support tube axle that seal pipe 11 is closely placed in support tube 12 is inside
In through hole 121；The micromanipulation pipe tail end 21 of micromanipulation pipe 2 is closely placed in the seal pipe axial direction inner via hole 111 of seal pipe 11
In；Fender bracket 4 has for protecting the protector 42 of micromanipulation pipe 2, and the end of fender bracket 4 has and is engaged work with support tube 12
The stopper slot 41 of dynamic clamping；When in the stopper slot 41 of the insertion fender bracket 4 of pedestal 1, the part of micromanipulation pipe free-end 22 is just placed in
In the protector 42 of fender bracket 4, protector 42 can (protector 42 be micro- particularly for protecting with closed protective micromanipulation pipe 2
Operation pipe free-end 22).Stopper slot 41 is connected with protector 42；Seal 5 includes seal pipe 52 and closure 51, seal pipe
52 inside have sealing tube chamber 521, and one end end-enclosed of seal pipe 52, the other end end of seal pipe 52 has the mouth of pipe, close
Capping is 51 in mating connection with the mouth of pipe of seal pipe 52, closure 51 for close encapsulation pipe 52 the mouth of pipe, seal pipe 52 it is close
Tube sealing chamber 521 is used to coordinate storage to hold pedestal 1, micromanipulation pipe 2, fender bracket 4.
The protector 42 of fender bracket of the present invention 4 can use following three kinds of structure type：
The first structure is：As shown in fig. 7, protector 42 can be local through slot, i.e., protector 42 is sealed including bottom
Closing part point and bottom groove part two parts, the bottom closure of protector 42 are divided to including two side walls and are connected to two sides
The base plate of wall bottom, the bottom lock part cross section of the protector 42 of this structure is in "U" shaped shape；The bottom of protector 42
Portion groove part only includes two side walls, and bottom is through slot between two side walls, and its cross section is in " ‖ " shape.Protector 42
Near the one end of stopper slot 41, the bottom groove of protector 42 is partially away from the one end of stopper slot 41 for bottom lock part.
Second structure be：As shown in figure 8, protector 42 can be logical section through slot, i.e. protector 42 includes two sides
Wall, bottom is through slot between two side walls, and its cross section is in " ‖ " shape.
The third structure is：As shown in figure 9, protector 42 can be unidirectional blocking groove, i.e., protector 42 includes two sides
Wall and two base plates of sidewall bottom are connected to, the bottom of whole protector 42 is closed by base plate, the cross section of protector 42
In "U" shaped shape.
Seal pipe 11 is manufactured by flexible material, i.e., seal pipe 11 is manufactured by can extrude the big flexible material of morphotropism.Sealing
The interference fit of pipe 11 is placed in the inner via hole 121 of the support tube of support tube 12 axial direction；As shown in Figure 1, shown in Figure 5, the sealing of seal pipe 11
Interference fit is provided with filtration members 3 in the inner via hole 111 of pipe axial direction, and filtration members 3 are used to filtering out some by micromanipulation pipe
Special component, such as bacterium, dust.The seal pipe axial direction inner via hole of the interference fit of micromanipulation pipe tail end 21 insertion seal pipe 11
In 111, and the end face of micromanipulation pipe tail end 21 is in close contact with the end face of filtration members 3.
Seal pipe 11 is manufactured by silica gel, rubber or latex material；The hard material small by can extrude morphotropism of support tube 12
It is made；The preferred support tube 12 of the present embodiment is manufactured by plastics, nylon, metal, glass or carbon fibre material.
Such as Fig. 7~Figure 10, it is in cylindrical shape that fender bracket 4 is overall, as shown in fig. 7, the notch of the stopper slot 41 of fender bracket 4
In " C " font, the notch of stopper slot 41 is engaged clamping with the pipe outer wall of support tube 12.The notch two of stopper slot of the invention 41
Madial wall has appropriateness elasticity, i.e., under external force can be slight open, and is soon restored to the original state once after external force releasing, when
The support tube 12 of pedestal 1 is connected in the notch of stopper slot 41 under external force；After clamping is finished, due to the groove of stopper slot 41
Mouth has restorable internal stress so that the support tube 12 of the tight clamp base 1 of stopper slot 41.Stopper slot of the invention 41
Notch cross section is C-shaped or analogous shape, the gap width d at notch partially or fully less than the Breadth Maximum D inside groove, than
Such as difference 0.2mm；Breadth Maximum D inside groove is equal to the pedestal 1 and inserts the local external diameter in portion, or is slightly less than the pedestal 1
Insert the local external diameter in portion (the Breadth Maximum D inside such as groove inserts the local external diameter 0.1mm in portion less than pedestal 1).
As shown in fig. 7, notch one end of stopper slot 41 is spacing end A411, the notch other end of stopper slot 41 is spacing
End B, is provided with the limit convex grooving 412 of " C " word shape, limit convex grooving 412 and branch at the spacing end B of stopper slot 41
The pipe outer wall cooperation activity clamping of stay tube 12.Such as use state B of Figure 10, the said structure feature of stopper slot 41 causes pedestal 1
Insert portion to be embedded in the limit convex grooving 412 of stopper slot 41 through at the notch of stopper slot 41, the support tube 12 and stopper slot of pedestal 1
41 keep being relatively fixed, and support tube 12 is unlikely to be come off from the limit convex grooving 412 of stopper slot 41 again.Such as the use state of Figure 10
A, under the effect of lighter external force, pedestal 1 can easily be prized from the notch of spacing end A411 again；The notch one of stopper slot 41
It is spacing end A411 to hold, and the notch other end of stopper slot 41 is spacing end B, is provided with the spacing end B of stopper slot 41
In the limit convex grooving 412 of " C " word shape, the design causes the pedestal 1 being placed in stopper slot 41 by pointing to spacing end B
During the active force in direction, the support tube 12 of pedestal 1 can depart from from the spacing end B of stopper slot 41.
As shown in fig. 7, being connected by connectivity slot 43 between stopper slot 41 and protector 42.
Pedestal of the invention 1 can be made up of the following two kinds mode：
First way is：Pedestal 1 is socketed penetrated by seal pipe 11 and assemble in support tube 12, seal pipe 11 and branch
Stay tube 12 passes through frictional resistance so that support tube 12 keeps being relatively fixed to the radially-inwardly squeezing action of seal pipe 11.
The second way is：Pedestal 1 by seal pipe 11 and support tube 12 by double injection forming method integrated injection molding into
Type is manufactured, and its seal pipe 11 and support tube 12 can keep being relatively fixed by cementation.
Because the seal pipe axial direction interference fit of inner via hole 111 of micromanipulation pipe tail end 21 of the invention and seal pipe 11 connects
Connect, therefore the internal diameter of seal pipe axial direction inner via hole 111 is in its natural state less than the external diameter of micromanipulation pipe tail end 21；The present embodiment
Seal pipe axial direction inner via hole 111 hole internal diameter in its natural state than the small 0.2mm of outer diameter of micromanipulation pipe tail end 21.
Hole internal diameter big 0.2~1.5mm of the outer diameter of seal pipe of the invention 11 than support tube axial direction inner via hole 121；
Hole internal diameter big 0.5~1.0mm of the outer diameter of the preferred seal pipe 11 of the present embodiment than support tube axial direction inner via hole 121.
When using, after pedestal 1, micromanipulation pipe 2, filtration members 3 are assembled, then when being assembled with fender bracket 4, by pedestal 1
Stick into stopper slot 41.The limit convex grooving 412 of stopper slot 41 causes that micromanipulation pipe 2 will not be sent out upper and deviate and cause micromanipulation
The side wall of the crash protection groove 42 of pipe free-end 22.When needing to dismantle fender bracket 4, with micromanipulation pipe tail end 21 towards limit
The posture force that the position breach of groove 41 is upturned, the structure design of stopper slot 41 causes that the direction for prizing is limited to stopper slot 41 and lacks
The homonymy in mouth direction, will not send out upper and deviate and cause the side wall of the crash protection groove 42 of micromanipulation pipe free-end 22.It is of the invention
Seal 5 can completely cut off above-mentioned assembling parts and be contacted with the external world.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of micromanipulation tube assembly, it is characterised in that：Including pedestal (1), micromanipulation pipe (2), fender bracket (4), sealing
Part (5), micromanipulation pipe (2) one end end is micromanipulation pipe free-end (22), micromanipulation pipe (2) other end
End is micromanipulation pipe tail end (21), and the pedestal (1) includes seal pipe (11) and support tube (12), the support tube (12)
Tube cavity there is support tube axial direction inner via hole (121), the tube cavity of the seal pipe (11) has seal pipe axial direction inner via hole
(111), the seal pipe (11) is closely placed in the support tube of support tube (12) axial direction inner via hole (121)；The micromanipulation
Micromanipulation pipe tail end (21) for managing (2) is closely placed in the seal pipe of seal pipe (11) axial direction inner via hole (111)；The protection
Frame (4) has and support tube (12) with the protector (42) for protecting micromanipulation pipe (2), fender bracket (4) end
The stopper slot (41) of activity clamping is engaged, the stopper slot (41) is connected with protector (42)；The seal (5) is used for
Storage holds pedestal (1), micromanipulation pipe (2), fender bracket (4).
2. according to the micromanipulation tube assembly described in claim 1, it is characterised in that：The seal (5) is including seal pipe
(52) and closure (51), there is sealing tube chamber (521), one end end of the seal pipe (52) inside the seal pipe (52)
Closing, the other end end of the seal pipe (52) has the mouth of pipe, and the closure (51) matches with the mouth of pipe of seal pipe (52)
Close connection, the closure (51) for the mouth of pipe of close encapsulation pipe (52), use by the sealing tube chamber (521) of the seal pipe (52)
Pedestal (1), micromanipulation pipe (2), fender bracket (4) are held in storage is coordinated.
3. according to the micromanipulation tube assembly described in claim 1 or 2, it is characterised in that：The seal pipe (11) is by flexible material
Material manufacture, seal pipe (11) interference fit is placed in the support tube of support tube (12) axial direction inner via hole (121)；The sealing
Interference fit is provided with filtration members (3), the micromanipulation pipe tail end (21) in managing seal pipe axial direction inner via hole (111) of (11)
In seal pipe axial direction inner via hole (111) of interference fit insertion seal pipe (11).
4. according to the micromanipulation tube assembly described in claim 3, it is characterised in that：The seal pipe (11) is by silica gel, rubber
Or latex material manufacture, the support tube (12) is by the manufacture of plastics, nylon, metal, glass or carbon fibre material.
5. according to the micromanipulation tube assembly described in claim 1 or 2, it is characterised in that：The stopper slot of the fender bracket (4)
(41) notch is in " C " font, and the notch of the stopper slot (41) is engaged clamping with the pipe outer wall of support tube (12).
6. according to the micromanipulation tube assembly described in claim 5, it is characterised in that：Notch one end of the stopper slot (41) is
Spacing end A (411), the notch other end of stopper slot (41) is spacing end B, at the spacing end B of the stopper slot (41)
It is provided with the limit convex grooving (412) of " C " word shape, the limit convex grooving (412) is matched somebody with somebody with the pipe outer wall of support tube (12)
Conjunction activity clamping.
7. according to the micromanipulation tube assembly described in claim 6, it is characterised in that：The stopper slot (41) and protector (42)
Between be connected by connectivity slot (43).
8. according to the micromanipulation tube assembly described in claim 4, it is characterised in that：The pedestal (1) by seal pipe (11) with
Support tube (12) is manufactured by double injection forming method integrated injection molding.
9. according to the micromanipulation tube assembly described in claim 4, it is characterised in that：Seal pipe axial direction inner via hole (111)
Hole internal diameter in its natural state than the small 0.2mm of outer diameter of micromanipulation pipe tail end (21).
10. according to the micromanipulation tube assembly described in claim 9, it is characterised in that：The outer diameter of the seal pipe (11)
Than the big 0.5~1.0mm of hole internal diameter of support tube axial direction inner via hole (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710097677.5A CN106754252A (en) | 2017-02-22 | 2017-02-22 | Micromanipulation tube assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710097677.5A CN106754252A (en) | 2017-02-22 | 2017-02-22 | Micromanipulation tube assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106754252A true CN106754252A (en) | 2017-05-31 |
Family
ID=58957839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710097677.5A Pending CN106754252A (en) | 2017-02-22 | 2017-02-22 | Micromanipulation tube assembly |
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| Country | Link |
|---|---|
| CN (1) | CN106754252A (en) |
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| CN206553506U (en) * | 2017-02-22 | 2017-10-13 | 长沙傲图生物科技有限公司 | Micromanipulation tube assembly |
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2017
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| FR1474882A (en) * | 1966-02-04 | 1967-03-31 | Becton Dickinson Co | Improvement in the packaging of hypodermic needles |
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Application publication date: 20170531 |