CN207215683U - A kind of micro-sampling lowering or hoisting gear - Google Patents
A kind of micro-sampling lowering or hoisting gear Download PDFInfo
- Publication number
- CN207215683U CN207215683U CN201720980442.6U CN201720980442U CN207215683U CN 207215683 U CN207215683 U CN 207215683U CN 201720980442 U CN201720980442 U CN 201720980442U CN 207215683 U CN207215683 U CN 207215683U
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- micro
- sampling
- rack
- lowering
- base
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Abstract
The utility model discloses a kind of micro-sampling lowering or hoisting gear, including base and be arranged on base transmission device, drive device and slide fixing device；Transmission device includes meshed gears and rack；Drive device is fixed on base, for driving the pinion rotation；Rack is fixedly connected by the slip fixing device being enclosed on rack with base, and the end of the rack is fixedly connected with micro-sampling pin end.It can be seen that micro-sampling lowering or hoisting gear provided by the utility model is enclosed on outside the rack of the transmission device by the slip fixing device, limiting the micro-sampling pin can only move up and down in centerline direction, avoid occurring shaking and the inaccurate phenomenon that walks in motion.It can be seen that lowering or hoisting gear of the present utility model is stable, actual displacement, and it is simple and compact for structure, so as to greatly improve the operating efficiency of two-dimensional deviT.
Description
Technical field
Lowering or hoisting gear technical field is the utility model is related to, particularly relates to a kind of micro-sampling lowering or hoisting gear.
Background technology
At present in the inspection of medical science specific clinical, it is necessary to which operating personnel utilize pipettor when adding reagent into cuvette
Measure as requested and reagent is drawn from reagent bottle, be then injected into corresponding cuvette.Because the amount of reagent for needing to add is accurate
Degree is higher, therefore the gimmick of different operating personnel is different, causes certain sample-adding amount error be present, poor repeatability, simultaneously because
Multiple manual operation is needed, labor intensity is high and efficiency is low.Therefore there is automatic pipetting device.
But there is problems with the lifting structure of automatic pipetting device：The lead screw device and tumbler moved up and down is not
Coaxially, the problem of causing in stress so that easily occur shaking and walking inaccurately in motion.
Utility model content
In view of this, the purpose of this utility model is to propose a kind of stable and actual displacement micro-sampling lifting
Device.
Based on above-mentioned purpose micro-sampling lowering or hoisting gear provided by the utility model, including base and it is arranged at base
On transmission device, drive device and slide fixing device；
The transmission device includes meshed gears and rack；
The drive device is fixed on base, for driving the pinion rotation；
The rack is fixedly connected by the slip fixing device being enclosed on rack with base, and the end of the rack
It is fixedly connected with micro-sampling pin end.
Further, the rack and pinion drive also includes：Power transmission shaft, the power transmission shaft pass through the center of gear,
And it is fixedly connected with gear；
Described power transmission shaft one end is connected by shaft coupling with the drive device.
Further, the transmission device also includes：Rolling bearing, the rolling bearing are set along the gear centre line
Put, and compressed with the gear upper and lower ends；
The gear is connected by rolling bearing with the base rotation.
Further, the transmission device also includes：Back-up ring, the rolling bearing are connected by back-up ring with base.
Preferably, the slip fixing device is linear bearing, and the linear bearing is pressed into the mounting hole of the base,
And fixed with the base；
The rack through linear bearing inside with the base by being slidably connected.
Further, in addition to mounting seat, the end of the rack are consolidated by mounting seat and the micro-sampling pin end
Fixed connection.
Preferably, the mounting seat is connected through a screw thread with the micro-sampling pin end.
Preferably, the mounting seat is fixedly connected with the end of the rack by screw.
From the above it can be seen that micro-sampling lowering or hoisting gear provided by the utility model passes by using rack-and-pinion
Dynamic device drives the micro-sampling pin to move up and down, and is enclosed on by the slip fixing device outside the rack of the transmission device
Portion, limiting the micro-sampling pin can only move up and down in centerline direction, and uniform force, avoid motion in occur shaking and
Walk inaccurate phenomenon.It can be seen that lowering or hoisting gear of the present utility model is stable, actual displacement, and it is simple and compact for structure,
So as to greatly improve the operating efficiency of two-dimensional deviT.
Brief description of the drawings
Fig. 1 is the embodiment front view of micro-sampling lowering or hoisting gear provided by the utility model；
Fig. 2 is the embodiment top view of micro-sampling lowering or hoisting gear provided by the utility model.
1- bases
A- mounting holes
2- transmission devices
201- gears
202- racks
203- power transmission shafts
204- rolling bearings
205- back-up rings
206- baffle plates
3- slides fixing device
4- micro-sampling pins
5- mounting seats
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to the drawings, the utility model is further described.
As shown in figure 1, be the embodiment front view of micro-sampling lowering or hoisting gear provided by the utility model, this micro-sampling
Lowering or hoisting gear, including base 1 and be arranged on base 1 transmission device 2, slide fixing device 3 and drive device and (do not exist
Indicated in figure).
Transmission device 2 includes meshed gears 201 and rack 202；The drive device is fixed on base 1, for driving
Gear 201 rotates, and the drive device can be motor；Rack 201 by the slip fixing device 3 that is enclosed on rack 201 with
Base 1 is fixedly connected, and the end of rack 202 is fixedly connected with the end of micro-sampling pin 4.
It can be seen that micro-sampling lowering or hoisting gear provided by the utility model is micro by using rack and pinion drive driving
Sample introduction needle 4 moves up and down, and is enclosed on by sliding fixing device 3 outside the rack of transmission device 2, and limitation micro-sampling pin 4 can only
Moved up and down in centerline direction, play uniform force, avoid occurring shaking and the inaccurate phenomenon that walks in motion.
In more detail, transmission device 2 also includes：Power transmission shaft 203, power transmission shaft 203 pass through the center of gear 201, and and tooth
Wheel 201 is fixedly connected；The one end of power transmission shaft 3 is connected by shaft coupling with clicking on.
Further, as shown in Fig. 2 embodiment top view for micro-sampling lowering or hoisting gear provided by the utility model,
Transmission device 2 also includes：Two rolling bearings 204, rolling bearing 204 along the center line of gear 201 set, and with gear 201
Lower both ends compress；Gear 201 is rotatablely connected by rolling bearing 204 and base 1.
By setting power transmission shaft 203 and two rolling bearings 204, enable on the basis of gear freely rotates, its other party
To being fixed, transmission mechanism traveling comfort is further ensured, realization is accurately moved.
Preferably, in order to which further fixed conveyor device, transmission device 2 also include：Back-up ring 205 and baffle plate 206；Rotate
Bearing 204 is connected by back-up ring 205 with base 1；Baffle plate 206 is arranged at the side that back-up ring 205 contacts with base 1.
Preferably, it be two linear bearings to slide fixing device 3, linear bearing press-in base two mounting hole a about 1
It is interior, and fixed with the base 1, rack 201 through the inside of linear bearing and base 1 by being slidably connected.
Further, in addition to mounting seat 5, the end of rack 202 are fixed by mounting seat 5 and the end of micro-sampling pin 4
Connection.
Preferably, mounting seat 5 is connected through a screw thread with the end of micro-sampling pin 4.
Preferably, mounting seat 5 is fixedly connected with the end of rack 201 by screw.
By setting mounting seat to be connected with micro-sampling pin, installation micro-sampling pin is convenient for changing.
Rotated by motor-driven gear 201, the pinion rack 202 of gear 201 moves up and down with carry-over bar, and then drives micro-
Amount sample introduction needle 4 moves up and down.The fixed plastic pipe in end of micro-sampling pin 4, plastic pipe pass through the mesopore of rack 202, with
The pump connection of equipment rear end, pump are controlled by system, sample needle accurately can be added or discharge liquid, while can realize and add automatically
Add or exclude liquid.
It can be seen that micro-sampling lowering or hoisting gear provided by the utility model is micro by using rack and pinion drive driving
Sample introduction needle 4 moves up and down；By setting power transmission shaft 203 and two rolling bearings 204, enable what gear freely rotated, but its
He is fixed in direction, is enclosed on by linear bearing outside the rack 202 of transmission device, and limitation micro-sampling pin 4 can only be in
Heart line direction moves up and down, and the meshing point of rack-and-pinion is further ensured that drive device at the center of two linear bearings
Uniform force, avoid occurring shaking and the inaccurate phenomenon that walks in motion.It can be seen that it is of the present utility model simple and compact for structure, add
Work is convenient, and positioning precision is high, and the error in motion is small, greatly improves the operating efficiency of two-dimensional deviT.
Those of ordinary skills in the art should understand that：The discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under thinking of the present utility model, the above is real
Applying can also be combined between the technical characteristic in example or different embodiments, and exist as described above of the present utility model
Many other changes of different aspect, for simplicity, they are not provided in details.Therefore, it is all in spirit of the present utility model
Within principle, any omission for being made, modification, equivalent substitution, improvement etc., the scope of protection of the utility model should be included in
Within.
Claims (8)
1. a kind of micro-sampling lowering or hoisting gear, it is characterised in that including base and the transmission device being arranged on base, drive
Dynamic device and slip fixing device；
The transmission device includes meshed gears and rack；
The drive device is fixed on base, for driving the pinion rotation；
The rack is fixedly connected by the slip fixing device being enclosed on rack with base, and the end of the rack with it is micro-
Amount sample introduction needle end is fixedly connected.
2. micro-sampling lowering or hoisting gear according to claim 1, it is characterised in that the rack and pinion drive also wraps
Include：Power transmission shaft, the power transmission shaft pass through the center of gear, and are fixedly connected with gear；
Described power transmission shaft one end is connected by shaft coupling with the drive device.
3. micro-sampling lowering or hoisting gear according to claim 2, it is characterised in that the transmission device also includes：Rotate
Bearing, the rolling bearing are set along the gear centre line, and are compressed with the gear upper and lower ends；
The gear is connected by rolling bearing with the base rotation.
4. micro-sampling lowering or hoisting gear according to claim 3, it is characterised in that the transmission device also includes：Back-up ring,
The rolling bearing is connected by back-up ring with base.
5. micro-sampling lowering or hoisting gear according to claim 1, it is characterised in that the slip fixing device is linear axis
Hold, the linear bearing is pressed into the mounting hole of the base, and is fixed with the base；
The rack through linear bearing inside with the base by being slidably connected.
6. micro-sampling lowering or hoisting gear according to claim 1, it is characterised in that also including mounting seat, the rack
End is fixedly connected by mounting seat with the micro-sampling pin end.
7. micro-sampling lowering or hoisting gear according to claim 6, it is characterised in that the mounting seat and the micro-sampling
Pin end is connected through a screw thread.
8. micro-sampling lowering or hoisting gear according to claim 7, it is characterised in that the mounting seat and the end of the rack
End is fixedly connected by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720980442.6U CN207215683U (en) | 2017-08-08 | 2017-08-08 | A kind of micro-sampling lowering or hoisting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720980442.6U CN207215683U (en) | 2017-08-08 | 2017-08-08 | A kind of micro-sampling lowering or hoisting gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207215683U true CN207215683U (en) | 2018-04-10 |
Family
ID=61818086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720980442.6U Active CN207215683U (en) | 2017-08-08 | 2017-08-08 | A kind of micro-sampling lowering or hoisting gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207215683U (en) |
-
2017
- 2017-08-08 CN CN201720980442.6U patent/CN207215683U/en active Active
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