CN208921726U - The driving device of syringe - Google Patents
The driving device of syringe Download PDFInfo
- Publication number
- CN208921726U CN208921726U CN201820742199.9U CN201820742199U CN208921726U CN 208921726 U CN208921726 U CN 208921726U CN 201820742199 U CN201820742199 U CN 201820742199U CN 208921726 U CN208921726 U CN 208921726U
- Authority
- CN
- China
- Prior art keywords
- driving device
- sliding block
- pedestal
- syringe according
- guide rod
- 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.)
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Abstract
The utility model discloses a kind of driving devices of syringe, it is related to in-vitro diagnosis medicine technology field, including pedestal, the pedestal includes at least substrate, upper flange and lower wing plate, the pedestal is equipped with driving motor and guide rod, and the driving motor is connect with screw rod, and the guide rod and the screw rod are arranged in parallel between the upper flange and the lower wing plate, the guide rod and the screw rod interval are set in the inside of sliding block, and the pedestal is an integral molding structure.Compared with prior art, the utility model solves the problems, such as low precision, structure is complicated and assembly difficulty.
Description
Technical field
The utility model relates to vitro diagnostic techniques field, more particularly, to blood analyser, Biochemical Analyzer etc. is needed
It will be to the driving device for the syringe that liquid is shifted.
Background technique
The driving device of existing syringe includes pedestal, which is spliced using multiple machined parts, the pedestal
One side connect multiple syringe bodies, another side connects double guide rail guide rods；Motor is installed on the base, for driving silk
Bar band movable slider is moved along guide rod, and the plunger connection of the sliding block and syringe, when needing imbibition, motor driven sliding block is driven
The plunger of syringe is mobile to flow direction, when imbibition, it is mobile to flow direction is left to drive plunger, to realize that liquid turns
It moves.This structure suffers a disadvantage in that 1. since pedestal is that machined part is spliced, and number of parts is numerous, installation
Complex process；2. more as well as part, part error accumulation causes the overall precision of driving device to decline, and is unfavorable for instrument
The raising of device overall precision；3. pair guide rod structure redundancy is higher, causes whole driving device volume not compact, be unfavorable for instrument
The miniaturization of body product；4. a pedestal connects the carrying mode of multiple syringe bodies, although having compressed driving device entirety
Volume, but sacrifice the interchangeability of driving device, and lead to the fluid path structure of the instruments such as blood analyser, Biochemical Analyzer
With the complication of fluid path control program, it is unfavorable for the raising of instrument reliability and the compression of overall cost.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of driving devices of syringe, it can solve existing
Low precision in technology, the problem of structure is complicated and assembly difficulty.
To solve the above-mentioned problems, the technical scheme adopted by the utility model is the driving device of this syringe, packet
Pedestal is included, the pedestal includes at least substrate, upper flange and lower wing plate, and the pedestal is equipped with driving motor and guide rod, described
Driving motor is connect with screw rod, and the guide rod and the screw rod are arranged in parallel between the upper flange and the lower wing plate, institute
It states guide rod and the screw rod interval is set in the inside of sliding block, the pedestal is an integral molding structure.
By the way that pedestal is arranged to integrated formed structure, reduces using and splicing for machine components, simplifies mounting process,
Precision is improved, using the structure of single guide rod, so that the volume-diminished of entire driving device, improves the interchangeability of driving device.
In above-mentioned technical proposal, more specific technical solution may also is that the sliding block is an integral molding structure.
Further: the sliding block and the pedestal are integrated cast aluminium forming structure, integrated injection molding part molding structure respectively
Or integrated machined piece molding structure.
Further: the upper flange is equipped with optocoupler, and the sliding block is equipped with optocoupler baffle corresponding with the optocoupler.
It is further: the elongated slot of penetrability to be offered on the substrate, a part of the sliding block passes through the elongated slot.
Further: the lower wing plate is equipped with flange bearing mounting hole, and the flange bearing mounting hole is equipped with and institute
State the flange bearing of screw rod connection.
Further: the part that the sliding block passes through the elongated slot is equipped with card slot.
Further: the guide rod is set in the inside of sliding block by the linear bearing of one or more combination.
Further: the linear bearing is ball linear bearing or sliding straight bearing.
Further: the upper flange is equipped with the first guide fixing hole, and the lower wing plate is equipped with and leads with described first
The second coaxial guide fixing hole of bar fixation hole, one end of the guide rod are fixed at first guide fixing hole, the other end
It is fixed at second guide fixing hole.
By adopting the above-described technical solution, the utility model has the following beneficial effects: compared with prior art
1. by the way that pedestal and sliding block are arranged to integrated formed structure, reduce using and splicing for machine components, reduce
Part installation and debugging, it is easy to assembly, simplify mounting process；Using single guide rod structure, so that the volume-diminished of entire driving device,
The structure of entire driving device is more compact.
2. sliding block and pedestal are cast aluminium forming structure, there is enough intensity, syringe can be supported in hyperbaric environment
Middle work.
3. the driving device of the syringe can be compatible with a variety of syringes, can be realized by a variety of syringes of carrying various
The liquid of discharge capacity shifts demand, installs, avoids similar on demand for instruments such as blood analyser, the Biochemical Analyzers of various models
Syringe driving device overlapping development.
4. the driving device of the syringe matches a syringe body, this one-to-one structure can be effective
The fluid path structure for simplifying the instruments such as blood analyser, Biochemical Analyzer avoids complicated fluid path control program, can effectively mention
Rise the reliability of instrument.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the schematic diagram of the section structure of the utility model.
Specific embodiment
Below in conjunction with figure embodiment, the utility model is described in further detail:
As depicted in figs. 1 and 2, the driving device of this syringe, including pedestal 1, the pedestal 1 be equipped with driving motor 2,
Syringe body (not shown) and guide rod 3, the driving motor 2 are connect with screw rod 4, and pedestal 1 includes at least substrate 1-1, upper flange
1-2 and lower wing plate 1-3, pedestal 1 are an integral molding structure；Upper flange 1-2 is equipped with the first guide fixing hole (not shown), should
Lower wing plate 1-3 is equipped with second guide fixing hole 5 coaxial with first guide fixing hole；One end of guide rod 3 is fixed on first
Guide rod location hole, the other end are fixed on the second guide rod location hole 5；Screw rod 4 is parallel to guide rod 3 and is arranged in upper flange 1-2 and bottom wing
Between plate 1-3, guide rod 3 is set in the inside of integrally formed sliding block 7 by linear bearing 6, and linear bearing 6 is one or more
Composition, further, linear bearing 6 are ball linear bearing or sliding straight bearing；Screw rod 4 is set in by feed screw nut 8
The inside of sliding block 7.
Pedestal 1 and sliding block 7 are an integral molding structure respectively, reduce using and splicing for machine components, simplify erector
Skill improves precision, and using single-rail structure, so that the volume-diminished of entire driving device, a pedestal 1 configures a syringe
Ontology improves the interchangeability of driving device.
Sliding block 7 is integrated cast aluminium forming structure, integrated injection molding part molding structure or integrated machined piece molding structure；Pedestal
1 is integrated cast aluminium forming structure, integrated injection molding part molding structure or integrated machined piece molding structure.
Upper flange 1-2 is equipped with optocoupler 9, and sliding block 7 is equipped with optocoupler baffle 10 corresponding with the optocoupler；It is opened on substrate 1-1
The top of substrate 1 is arranged in elongated slot (not shown) equipped with penetrability, syringe body, and a part of sliding block 7 is used across elongated slot
It is connect in the plunger of syringe body lower part, the part across elongated slot of sliding block 7 is equipped with card slot 7-1, for plunger to be clamped
Fixed on card slot 7-1, lower wing plate 1-3 is equipped with flange bearing mounting hole 11, and flange bearing mounting hole 11 is equipped with and silk
The flange bearing 12 of bar connection.
When work, screw rod 4 is driven to move up and down with movable slider 7 along guide rod 3 by driving motor 2, since sliding block 7 passes through
The part of elongated slot is connect with plunger, and moving up and down for sliding block 7 drives plunger to move up and down, so that plunger completes imbibition, liquid relief
Operation.
Claims (10)
1. a kind of driving device of syringe, including pedestal, the pedestal includes at least substrate, upper flange and lower wing plate, described
Pedestal is equipped with driving motor and guide rod, and the driving motor is connect with screw rod, and the guide rod and the screw rod are arranged in parallel in
Between the upper flange and the lower wing plate, the guide rod and the screw rod interval are set in the inside of sliding block, it is characterised in that:
The pedestal is an integral molding structure.
2. the driving device of syringe according to claim 1, it is characterised in that: the sliding block is an integral molding structure.
3. the driving device of syringe according to claim 2, it is characterised in that: the sliding block and the pedestal are respectively
Integrated cast aluminium forming structure, integrated injection molding part molding structure or integrated machined piece molding structure.
4. the driving device of syringe according to claim 3, it is characterised in that: the upper flange is equipped with optocoupler, institute
Sliding block is stated equipped with optocoupler baffle corresponding with the optocoupler.
5. the driving device of syringe according to claim 4, it is characterised in that: offer penetrability on the substrate
A part of elongated slot, the sliding block passes through the elongated slot.
6. the driving device of syringe according to claim 1, it is characterised in that: the lower wing plate is equipped with flange bearing
Mounting hole, the flange bearing mounting hole are equipped with the flange bearing connecting with the screw rod.
7. the driving device of syringe according to claim 5, it is characterised in that: the sliding block passes through the portion of the elongated slot
It is arranged with card slot.
8. the driving device of syringe according to claim 1, it is characterised in that: the guide rod passes through one or more groups
The linear bearing of conjunction is set in the inside of sliding block.
9. the driving device of syringe according to claim 8, it is characterised in that: the linear bearing is ball linear axis
It holds or sliding straight bearing.
10. the driving device of syringe according to claim 1, it is characterised in that: the upper flange is equipped with first and leads
Bar fixation hole, the lower wing plate are equipped with second guide fixing hole coaxial with first guide fixing hole, the guide rod
One end is fixed at first guide fixing hole, and the other end is fixed at second guide fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820742199.9U CN208921726U (en) | 2018-05-18 | 2018-05-18 | The driving device of syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820742199.9U CN208921726U (en) | 2018-05-18 | 2018-05-18 | The driving device of syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208921726U true CN208921726U (en) | 2019-05-31 |
Family
ID=66692281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820742199.9U Active CN208921726U (en) | 2018-05-18 | 2018-05-18 | The driving device of syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208921726U (en) |
-
2018
- 2018-05-18 CN CN201820742199.9U patent/CN208921726U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |