CN203916690U - Pipettor gun head rapid installation device - Google Patents
Pipettor gun head rapid installation device Download PDFInfo
- Publication number
- CN203916690U CN203916690U CN201420344198.0U CN201420344198U CN203916690U CN 203916690 U CN203916690 U CN 203916690U CN 201420344198 U CN201420344198 U CN 201420344198U CN 203916690 U CN203916690 U CN 203916690U
- Authority
- CN
- China
- Prior art keywords
- rifle head
- slide unit
- pipettor
- storehouse
- rotating shaft
- 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.)
- Expired - Fee Related
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Abstract
A pipettor gun head rapid installation device, comprises base, slide unit and rifle head storehouse.Pipettor gun head rapid installation device is by being fixed to pipettor in the locating slot of bottom platen and pressing down, make slide unit that rifle head is sent to pipettor, and both are connected, overall structure is simple, and processing ease, because stroke and the traversing stroke of rifle head that pipettor declines are fixed, contiguity when both are connected is fixed, guarantee the tightness degree of two connections all the time, avoided connecting pine or tension, thereby make the liquid capacity of absorption accurate.The length at slide unit rear portion is identical with the length of discharging opening, and when making to be contained in rifle head in the anterior mounting groove of slide unit and being connected with pipettor, slide unit rear portion can be blocked rifle head bin discharge port external completely, and the rifle head in placement rifle head storehouse drops out.
Description
Technical field
The utility model relates to a kind of servicing unit of biological medicine experimental facilities, specifically, is a kind of device that can read soon to install rifle head to pipettor.
Background technology
Pipettor is a kind of laboratory equipment, is used for specially measuring liquid volume, and is drawn to splash into other containers, is often used in biological experiment or chemical experiment.In use, pipettor need to be installed rifle head to pipettor, first by liquid extraction in the rifle head of pipettor, then the liquid in rifle head is delivered in other containers that need to splash into.In experimentation, in order to prevent polluting between liquid, need often to change rifle head, and pack new rifle head into, and need manual operation, pipettor is pressed and is inserted the rifle head being placed in rifle head box downwards, just can make rifle head be fixed on pipettor, comparatively effort.Because pipettor is to control by the volume of rifle head the volume of transferring liquid, and manual operation error is larger, firmly too small when if rifle head is installed, the defective tightness that is connected of rifle head and pipettor, junction has gap between the two, cause gas leakage, make to drive liquid to enter the insufficient pressure of rifle head, cause the liquid capacity entering in rifle head inaccurate; Firmly excessive when if rifle head is installed, although can make rifle head tightr with being connected of pipettor, but the part that pipettor front end enters in rifle head can be too much, occupied the space in rifle head, still can make the liquid capacity that enters in rifle head inaccurate, also can pollute pipettor front end, thereby pollute the liquid in other rifle heads and rifle head, cause the failure of an experiment.
Utility model content
The utility model is to be manually installed on pipettor for current rifle head, and operate miss is large, comparatively effort, easily cause the liquid volume of absorption inaccurate, even pollute, cause the defects such as the failure of an experiment, designed a kind of pipettor gun head rapid installation device.
Pipettor gun head rapid installation device of the present utility model, comprise base, slide unit and rifle head storehouse, parallel on base two line slideways are installed, slide unit is arranged on two line slideways, the anterior cylinder of installing of base, bottom platen is installed on the piston rod top of cylinder, locating slot is set on bottom platen, between two line slideways, level is installed rotatable rotating shaft, rotating shaft is vertical with line slideway, in rotating shaft, be fixed with gear, piston rod sidewall mounting teeth bar, rack and pinion engagement, rifle head storehouse is arranged on the support of base setting, the cross section of rifle head storehouse inner chamber is funnel-form wide at the top and narrow at the bottom, the rifle head of the in-built pipettor in rifle head storehouse, rifle Tou Cang top and bottom arrange respectively charging aperture and discharging opening, discharging opening is all identical with outer contour shape and the size of rifle head, slide unit is positioned at below, rifle head storehouse, slide unit is stepped, the front portion that slide unit rolls off the production line is provided with the mounting groove of fixing and holding rifle head, elastic tension band is installed between rotating shaft and slide unit, elastic tension band one end is connected with slide unit, the other end is wrapped in rotating shaft.
Preferably, the length at slide unit rear portion is identical with the length of discharging opening.
Preferably, on the rear side inwall of rifle head storehouse inner chamber, be provided with a plurality of projections.
The beneficial effects of the utility model are: pipettor gun head rapid installation device is by being fixed to pipettor in the locating slot of bottom platen and pressing down, make slide unit that rifle head is sent to pipettor, and both are connected, overall structure is simple, and processing ease, because stroke and the traversing stroke of rifle head that pipettor declines are fixed, contiguity when both are connected is fixed, guarantee the tightness degree of two connections all the time, avoided connecting pine or tension, thereby make the liquid capacity of absorption accurate.The length at slide unit rear portion is identical with the length of discharging opening, and when making to be contained in rifle head in the anterior mounting groove of slide unit and being connected with pipettor, slide unit rear portion can be blocked rifle head bin discharge port external completely, and the rifle head in placement rifle head storehouse drops out.On the rear side sidewall of rifle head storehouse inner chamber, a plurality of projections are set, when rifle head is fallen gradually in rifle head storehouse, projection can support one end that diameter is less, avoids rifle head tilted and push in rifle head storehouse, guarantee the rifle head normal descend in rifle head storehouse, whole erecting device is normally worked.
Accompanying drawing explanation
Accompanying drawing 1 is the structure chart of pipettor gun head rapid installation device.
The specific embodiment
Pipettor gun head rapid installation device of the present utility model, as shown in Figure 1, comprises base 1, slide unit 2 and rifle head storehouse 3,
Parallel on base 1 two line slideways 4 are installed, slide unit 2 is arranged on two line slideways 4.
The anterior cylinder 5 of installing of base 1, bottom platen 7 is installed on piston rod 6 tops of cylinder 5, and locating slot 8 is set on bottom platen 7.
Between two line slideways 4, level is installed rotatable rotating shaft 9, and rotating shaft 9 is vertical with line slideway 4, is fixed with gear 10 in rotating shaft 9, and piston rod 6 sidewalls are installed tooth bar 11, tooth bar 11 and gear 10 engagements.
Rifle head storehouse 3 is arranged on the support 12 of base 1 setting, the cross section of rifle head storehouse 3 inner chambers is funnel-form wide at the top and narrow at the bottom, the rifle head of rifle head storehouse 3 in-built pipettors, 3 tops, rifle head storehouse and bottom arrange respectively charging aperture 13 and discharging opening 14, and discharging opening 14 is all identical with outer contour shape and the size of rifle head.
Slide unit 2 is positioned at 3 belows, rifle head storehouse, slide unit 2 is stepped, the sagging front portion of slide unit 2 is provided with the mounting groove 15 of fixing and holding rifle head, from discharging opening 14 rifle head out, can fall in mounting groove 15, 3 bottoms, rifle head storehouse are close at slide unit 2 rear portions, and and discharging opening between leave a less gap, the length at slide unit 2 rear portions is identical with the length of discharging opening 14, while making slide unit rear motion to below, rifle head storehouse, discharging opening can be blocked completely, prevent that rifle head from dropping out, and between mounting groove 15 and discharging opening 14, also can only hold a rifle head, when slide unit front portion is below rifle head storehouse, rifle head in mounting groove 15 can drop out its another rifle head of top from discharging opening 14.
Between rotating shaft 9 and slide unit 2, elastic tension band 16 is installed, elastic tension band 16 one end are connected with slide unit 2, and the other end is wrapped in rotating shaft 9.
During use, pipettor is put into the locating slot 8 of bottom platen 7, and firmly press down, bottom platen 7 is declined, tooth bar 11 also moves down thereupon, driven wheel 10, rotating shaft 9 rotations, are rolled onto elastic tension band 16 one end in rotating shaft 9, and the other end of elastic tension band 16 pulls slide unit 2 near the bottom platen 7 declining, slide unit 2 is pushed the rifle head being fixed in its mounting groove 15 to pipettor on bottom platen 7, makes rifle head be connected with pipettor and fix.
In completing the process that rifle head is connected with pipettor, due to the stroke that bottom platen 7 declines, make the distance of slide unit 2 translations also fixing, thereby the degree that rifle head is installed on pipettor fix, can guarantee that both connection tightness are moderate.
Cylinder 5 is interior has sealed a certain amount of air, after bottom platen 7 declines, can push playback by the pressure of air in cylinder.In the process of bottom platen 7 playback, also make rotating shaft 9 reversions, because elastic tension band 16 not only can be crooked, when linear state, there is certain rigidity, rotating shaft 9 reversions make elastic tension band 16 leave gradually rotating shaft 9, the elastic tension band 16 that leaves rotating shaft stretches naturally, and promoting slide unit 2 playback, 3 belows, rifle head storehouse are left at slide unit 2 rear portions, and 3 belows, rifle head storehouse are got back in slide unit 2 front portions, rifle head in rifle head storehouse 3 falls into mounting groove 15, prepares to carry out the installation of next rifle head.
Claims (3)
1. a pipettor gun head rapid installation device, it is characterized in that, comprise base (1), slide unit (2) and rifle head storehouse (3), upper parallel two line slideways (4) that are provided with of base (1), slide unit (2) is arranged on two line slideways (4), the anterior cylinder (5) of installing of base (1), bottom platen (7) is installed on piston rod (6) top of cylinder (5), locating slot (8) is set on bottom platen (7), between two line slideways (4), level is installed rotatable rotating shaft (9), rotating shaft (9) is vertical with line slideway (4), in rotating shaft (9), be fixed with gear (10), piston rod (6) sidewall is installed tooth bar (11), tooth bar (11) and gear (10) engagement, rifle head storehouse (3) is arranged on the support (12) of base (1) setting, the cross section of rifle head storehouse (3) inner chamber is funnel-form wide at the top and narrow at the bottom, the rifle head of the in-built pipettor in rifle head storehouse (3), (3) top, rifle head storehouse and bottom arrange respectively charging aperture (13) and discharging opening (14), discharging opening (14) is all identical with outer contour shape and the size of rifle head, slide unit (2) is positioned at below, rifle head storehouse (3), slide unit (2) is stepped, the sagging front portion of slide unit (2) is provided with the mounting groove (15) of fixing and holding rifle head, between rotating shaft (9) and slide unit (2), elastic tension band (16) is installed, elastic tension band (16) one end is connected with slide unit (2), the other end is wrapped in rotating shaft (9).
2. pipettor gun head rapid installation device according to claim 1, is characterized in that, the length at slide unit (2) rear portion is identical with the length of discharging opening (14).
3. pipettor gun head rapid installation device according to claim 1, is characterized in that, on the rear side inwall of rifle head storehouse (3) inner chamber, is provided with a plurality of projections (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344198.0U CN203916690U (en) | 2014-06-24 | 2014-06-24 | Pipettor gun head rapid installation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344198.0U CN203916690U (en) | 2014-06-24 | 2014-06-24 | Pipettor gun head rapid installation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203916690U true CN203916690U (en) | 2014-11-05 |
Family
ID=51812571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420344198.0U Expired - Fee Related CN203916690U (en) | 2014-06-24 | 2014-06-24 | Pipettor gun head rapid installation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203916690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413407A (en) * | 2017-02-20 | 2017-12-01 | 张�杰 | Pipettor gun head filler device |
-
2014
- 2014-06-24 CN CN201420344198.0U patent/CN203916690U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413407A (en) * | 2017-02-20 | 2017-12-01 | 张�杰 | Pipettor gun head filler device |
| CN107413407B (en) * | 2017-02-20 | 2019-05-17 | 中国人民解放军第四军医大学 | Pipettor gun head filler device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20200624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |