CN208032603U - A kind of double end liquid-transfering gun adjustable in pitch - Google Patents
A kind of double end liquid-transfering gun adjustable in pitch Download PDFInfo
- Publication number
- CN208032603U CN208032603U CN201721871146.9U CN201721871146U CN208032603U CN 208032603 U CN208032603 U CN 208032603U CN 201721871146 U CN201721871146 U CN 201721871146U CN 208032603 U CN208032603 U CN 208032603U
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- Prior art keywords
- liquid
- interior bar
- transfering
- transfering gun
- assembly
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Abstract
The utility model is related to the laboratory apparatus of mechanics and biochemical crossing domain, more particularly to a kind of double end liquid-transfering guns.A kind of double end liquid-transfering gun adjustable in pitch, including：Casing assembly, interior bar assembly, gear unit assembly and two groups of liquid-transfering guns；When use：First by rotating the spacing in the double liquid-transfering gun components of gear unit assembly adjusting between two liquid-transfering guns；Then the interior bar in interior bar assembly is pressed into bottom, pipette tips are inserted by liquid relief body on two liquid-transfering guns；After being released stress to interior bar, liquid is by liquid-transfering gun inspiration pipette tips；The present apparatus is finally moved to material surface, presses interior bar, the same volume and certain liquid of spacing is oozed；Bevel gear leading screw in gear unit assembly in the utility model can accurately adjust the spacing between two liquid-transfering guns, realize while pipetting the liquid of same volume, and can control and pipette spacing so that more special requirement of experiment is more easily satisfied in the utility model.
Description
Technical field
The utility model is related to the laboratory apparatus of mechanics and biochemical crossing domain, more particularly to a kind of double end liquid-transfering guns.
Background technology
Liquid-transfering gun is one kind of pipettor, be usually used in it is a small amount of or micro liquid pipette, be that mechanics is biochemical and its intersect neck
An essential high precision instrument in the experiment of domain.The shape and size of different manufacturers production are slightly different, but operation principle
And operating method is almost the same.
In some cases, experiment needs under controllable spacing, while pipetting the liquid of same volume, such as function surface correlation
Contrast experiment, drop dynamic fusion experiment, the evaporation contrast experiment of drop and molecule diffusion experiment etc..Although existing liquid relief
Rifle can carry multiple pipette tips, can pipette the liquid of multiple same volumes simultaneously, but its pipette tips spacing is fixed, and reality can not be met
Test demand in border.And be manually operated one by one, and very big error will be brought to experiment.
Utility model content
The purpose of this utility model is：The deficiency of existing liquid-transfering gun is made up, a kind of double end liquid-transfering gun adjustable in pitch is designed.
The technical solution of the utility model is：A kind of double end liquid-transfering gun adjustable in pitch, including：Casing assembly and it is located at
Interior bar assembly, gear unit assembly and bottom inside casing assembly are pierced by two groups of liquid-transfering guns of the casing assembly；
The interior bar assembly includes：Interior bar and the inverted U-shaped geosynclinal block for being fixed in interior bar one end；It is stretched out at the top of the interior bar outer
Shell component is set with spring, top and the ring on interior bar excircle of the spring outside the interior bar inside casing assembly
Shape limiting slot contradicts, and bottom is contradicted with the lower position block on casing assembly inner wall；The interior bar assembly can be in the shell group
Along the axial movement of the interior bar in part；
The gear unit assembly includes：One end is connected with the swing arm of bevel gear and two one end are connected with the silk of bevel gear
Thick stick；One end that two leading screws are connected with bevel gear is coaxially opposite, and the other end is respectively by bearing support in the inverted U-channel
On block two side, the bevel gear of the swing arm end engages with the bevel gear of two leading screw ends respectively, and the other end passes through bearing
It is supported on casing assembly；Two leading screw rotations are driven by rotating the swing arm；
Two liquid-transfering guns are socketed in by lead screw hole on two leading screws respectively by bar, that is, liquid relief bar, when the leading screw
When rotation, drive the liquid-transfering gun along the axial movement of the leading screw by the liquid relief bar, to adjust two liquid-transfering guns
Between spacing.
Application method is：Knob in gear unit assembly is rotated, spacing between two liquid-transfering guns is adjusted in double liquid-transfering gun components；
Interior bar in interior bar assembly is pressed into bottom, pipette tips are inserted by liquid relief body on two liquid-transfering guns；Interior bar is released stress, at this time liquid
It is sucked into pipette tips；The present apparatus is moved on into material surface, presses interior bar, the same volume and certain liquid of spacing is oozed.
Advantageous effect：
(1) it is placed on the hack lever in the casing assembly of the utility model there are two liquid-transfering gun, the cone tooth in gear unit assembly
Wheel leading screw can accurately adjust the spacing between two liquid-transfering guns, realize while pipetting the liquid of same volume, and can control shifting
Take spacing so that more special requirement of experiment is more easily satisfied in the utility model.
(2) displacement of the bevel gear leading screw in the bearing limiting gear group component in interior bar assembly, upper limit position groove and lower limit
Position slot limits the position of spring, and after interior bar releases stress, spring makes it be restored to initial position；Hollow stem in casing assembly
The displacement of the upright bar in interior bar is directly limited, indirectly the entire interior bar assembly displacement of limitation.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of casing assembly in the utility model；
Fig. 3 is the structural schematic diagram of interior bar assembly in the utility model；
Fig. 4 is the structural schematic diagram of the utility model middle gear group component；
Fig. 5 is the structural schematic diagram of double liquid-transfering gun components in the utility model.
Specific implementation mode
With reference to the accompanying drawings and examples, the utility model is described in detail.
Referring to attached drawing 1, the present embodiment provides a kind of double end micropipette rifles adjustable in pitch, including：Casing assembly, interior bar
Component, gear unit assembly and double liquid-transfering gun components；
Referring to attached drawing 2, casing assembly includes：Cylindrical shell 18 and the Rectangular shell for being connected to the axial one end of cylindrical shell 18
Body 36；The lower position block 6 of arc is equipped on the hole wall of interior rod aperture 16, spring 4 is located in interior rod aperture 16, and bottom is by lower position block
6 limits；The top of 18 excircle of cylindrical shell is equipped with handle 17, is machined with opening on periphery in an axial direction, and opening passes through solid
The arm lid 2 being connected on cylindrical shell 18 is closed.
In rectangular housing 36, the through-hole communicated with interior rod aperture 16, rectangular housing 36 are equipped with the junction of cylindrical shell 18
Side side wall on be machined with opening, opening is closed by the flat plate cover 15 being fixed in rectangular housing 36.Flat plate cover 15
Bearing A10 is equipped at center；36 bottom plate 14 of rectangular housing is equipped with four vertical hollow stems 12 and two horizontal hack levers
13。
Referring to attached drawing 3, interior bar assembly includes：Interior bar 20 and inverted U-shaped geosynclinal block 22；20 top of interior bar is fixed with head cover 19；
The excircle of interior bar 20 is equipped with upper annular spacing groove 21；One group of bearing B23 is respectively provided in the two side walls of inverted U-shaped geosynclinal block 22, U
The bottom of shape geosynclinal block 22 is equipped with upright bar 25.Interior bar 20 is located in the interior rod aperture 16 of cylindrical shell 18, passes through in cylindrical shell 18
The top of spring 4, spring 4 is connected in the upper limit position groove 21 of interior bar 20.Inverted U-shaped geosynclinal block 22 is located in rectangular housing 36, interior bar
20 lower section is fixedly connected after passing through the through-hole in rectangular housing 36 with the top of inverted U-shaped geosynclinal block 22,22 bottom of inverted U-shaped geosynclinal block
Upright bar 25 is plugged in the hollow stem 12 on 36 bottom plate 14 of rectangular housing, so that inverted U-shaped geosynclinal block 22 is moved up and down, hollow stem 12
25 displacement of bar assembly neutrality bar in directly limiting, to limit the displacement of bar assembly in entire indirectly.
Referring to attached drawing 4, gear unit assembly includes：Two one end are connected with the leading screw 26, knob 30 and swing arm of bevel gear
27；One end that two leading screws 26 are connected with bevel gear is coaxially opposite, and the other end is respectively supported at the axis of 22 two side of inverted U-shaped geosynclinal block
It holds on B23,27 one end of swing arm is connected with bevel gear, and the other end is supported on the bearing A10 on flat plate cover 15, and 27 end of swing arm
Bevel gear engaged respectively with the bevel gear of two 26 ends of leading screw；Square plug 29 and swing arm 27 bottom of the knob 30 by end face
Square hole 28 coordinate, to pass through turn knob 30 control leading screw 26 rotate.
Referring to attached drawing 5, double liquid-transfering gun components include：Two groups of liquid-transfering guns 34, liquid-transfering gun 34 is micropipette in the present embodiment
Rifle, liquid-transfering gun 34 are equipped with the lead screw hole 32 coordinated with leading screw 26,32 axis of lead screw hole and liquid relief by bar, that is, 31 upper end of liquid relief bar
The axis of bar 31 is vertical；Lower end is fixedly mounted in the liquid relief rod aperture 33 of liquid-transfering gun 34；The two of the excircle of liquid-transfering gun 34 are opposite
Side is equipped with stand 35.Two liquid relief bars 31 are vertically socketed in the both ends of leading screw 26, two groups of shiftings by respective lead screw hole 32 respectively
Liquid rifle 34 is placed on the hack lever 13 of bottom plate 14 of rectangular housing 36 respectively by stand 35, and liquid-transfering gun 34 is made to be vertically positioned at two
Between hack lever 13, hack lever 13 is used to limit the movement locus of liquid-transfering gun 34.
Further, to prevent material deformation from causing experimental error, bottom plate 14 is using stainless steel material.
The application method of the present apparatus is：
Knob 30 in gear unit assembly is rotated, drives two leading screws 26 to rotate by intermeshing bevel gear, and then make
Liquid relief bar 31 drives liquid-transfering gun 34 to be moved along the axis of leading screw 26, to adjust the spacing between two liquid-transfering guns 34；It then will be outer
Handle 17 in shell component is placed on index finger, holds cylindrical shell 18, and the interior bar 20 in interior bar assembly is pressed into bottom, makes two
Pipette tips are inserted by liquid relief body on a liquid-transfering gun 34；After discharging interior bar 20, spring 4 makes it be restored to initial position, and liquid is by liquid relief
34 inspiration pipette tips of rifle；The present apparatus is moved to material surface, presses interior bar 20, it can be by same volume and the certain liquid of spacing
It oozes.
To sum up, the above is only the preferred embodiments of the present utility model only, is not intended to limit the protection of the utility model
Range.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should be included in
Within the scope of protection of the utility model.
Claims (5)
1. a kind of double end liquid-transfering gun adjustable in pitch, it is characterised in that：Including：Casing assembly and inside casing assembly
Interior bar assembly, gear unit assembly and bottom are pierced by two groups of liquid-transfering guns (34) of the casing assembly；
The interior bar assembly includes：Interior bar (20) and the inverted U-shaped geosynclinal block (22) for being fixed in interior bar (20) one end；The interior bar
(20) casing assembly is stretched out at top, and spring (4), the spring (4) are set with outside the interior bar (20) inside casing assembly
Top and interior bar (20) excircle on annular spacing groove (21) contradict, bottom and the lower position block on casing assembly inner wall
(6) it contradicts；The interior bar assembly can be in the casing assembly along the axial movement of the interior bar (20)；
The gear unit assembly includes：One end is connected with the swing arm (27) of bevel gear and two one end are connected with the silk of bevel gear
Thick stick (26)；One end that two leading screws (26) are connected with bevel gear is coaxially opposite, and the other end is respectively by bearing support in institute
It states on inverted U-shaped geosynclinal block (22) two side, the bevel gear of swing arm (27) end cone tooth with two leading screw (26) ends respectively
Wheel engagement, the other end is by bearing support on casing assembly；Two leading screws (26) are driven to turn by rotating the swing arm (27)
It is dynamic；
Two liquid-transfering guns (34) are socketed in two leading screws (26) by lead screw hole (32) respectively by bar, that is, liquid relief bar (31)
On, when the leading screw (26) rotate, drive the liquid-transfering gun (34) along the leading screw (26) by the liquid relief bar (31)
Axial movement, to adjust the spacing between two liquid-transfering guns (34).
2. double end liquid-transfering gun adjustable in pitch as described in claim 1, it is characterised in that：The casing assembly includes：Cylindricality
Shell (18) and the rectangular housing (36) for being connected to the axial one end of cylindrical shell (18)；The cylindrical shell (18) is internally provided with
Axially through interior rod aperture (16), on the hole wall of the interior rod aperture (16) be equipped with for being limited to the spring (4)
Lower position block (6)；The inverted U-shaped geosynclinal block (22) is located in rectangular housing (36), the rectangular housing (36) and the cylindricality
The junction of shell (18) is equipped with the through-hole that is communicated with the interior rod aperture (16), the interior bar (20) pass through after the through-hole with it is described
Inverted U-shaped geosynclinal block (22) is affixed；
The bottom plate (14) of the rectangular housing (36) is equipped with four or more vertical hollow stems (12)；The inverted U-shaped geosynclinal block (22)
It is slidably matched by the upright bar (25) and the hollow stem (12) of its bottom, makes inverted U-shaped geosynclinal block (22) can be along the upright bar
(25) axial movement.
3. a kind of double end liquid-transfering gun adjustable in pitch as claimed in claim 2, it is characterised in that：Outside the liquid-transfering gun (34)
Wall is equipped with and moves the stand (35) playing the guiding role to it；On the stand (35) and the rectangular housing (36) bottom plate (14)
It is slidably matched with the axial consistent hack lever (13) of the leading screw (26).
4. a kind of double end liquid-transfering gun adjustable in pitch as claimed in claim 2, it is characterised in that：On the cylindrical shell (18)
Side is equipped with handle (17).
5. double end liquid-transfering gun adjustable in pitch as claimed in claim 2, it is characterised in that：The bottom plate (14) uses stainless steel
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721871146.9U CN208032603U (en) | 2017-12-28 | 2017-12-28 | A kind of double end liquid-transfering gun adjustable in pitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721871146.9U CN208032603U (en) | 2017-12-28 | 2017-12-28 | A kind of double end liquid-transfering gun adjustable in pitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208032603U true CN208032603U (en) | 2018-11-02 |
Family
ID=63955403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721871146.9U Expired - Fee Related CN208032603U (en) | 2017-12-28 | 2017-12-28 | A kind of double end liquid-transfering gun adjustable in pitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208032603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080048A (en) * | 2017-12-28 | 2018-05-29 | 北京理工大学 | A kind of double end liquid-transfering gun adjustable in pitch |
-
2017
- 2017-12-28 CN CN201721871146.9U patent/CN208032603U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080048A (en) * | 2017-12-28 | 2018-05-29 | 北京理工大学 | A kind of double end liquid-transfering gun adjustable in pitch |
| CN108080048B (en) * | 2017-12-28 | 2024-01-02 | 北京理工大学 | Double-end liquid-transfering gun of interval adjustable |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20191228 |