CN208140725U - Wiper mechanism and chemiluminescence detector - Google Patents
Wiper mechanism and chemiluminescence detector Download PDFInfo
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- CN208140725U CN208140725U CN201820127599.9U CN201820127599U CN208140725U CN 208140725 U CN208140725 U CN 208140725U CN 201820127599 U CN201820127599 U CN 201820127599U CN 208140725 U CN208140725 U CN 208140725U
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- needle
- liquid
- cleaning
- wiper mechanism
- driving assembly
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Abstract
The utility model relates to a kind of wiper mechanism and include the chemiluminescence detector of the wiper mechanism.The wiper mechanism includes：Mounting rack, the sliding block being slidably matched with the mounting rack, the first driving assembly for being connect with the mounting rack and the sliding block being driven to reciprocatingly slide, with the shaft of sliding block rotation connection, the fixed block being fixed in the shaft, it is connected with the slide block and is driven the second driving assembly of the shaft rotation, is arranged on the mounting rack and the fixed block and is used to support the pipe clamp of liquid suction pipe, and the cleaning assembly for being mounted on the fixed block and connecting with the liquid suction pipe.Cleaning assembly can carry out pumping liquid waste processing to reaction cup.When the rotation of the second driving assembly drive shaft, drives cleaning assembly relative response cup to rotate a certain angle by shaft, to clean to cleaning assembly, prevent cross contamination.The wiper mechanism structure is simple, easy to operate, improves the drawing liquid effect of wiper mechanism.
Description
Technical field
The utility model relates to the field of medical instrument technology, more particularly to a kind of wiper mechanism and include the cleaning machine
The chemiluminescence detector of structure.
Background technique
Chemiluminescence immunoassay is a kind of vitro detection for being combined antigen-antibody immune response and luminescence-producing reaction
Analytical technology, it is based on Immunology, a variety of to detect by collecting optical signal using luminous marker as tracer signal
Marker has high sensitivity, the advantage that non-specific adsorption is low, accuracy rate is high.With the high speed development of biological medicine equipment,
Realize that the full-automation of chemiluminescence detector has certain condition.
Have become mature medical diagnosis generally, based on the chemiluminescence detector of biochemiluminescence immunoassay
Equipment.However, universal chemiluminescence detector equipment price is expensive, volume is heavy, power hungry, it is difficult to universal and popularization.
And with the high speed development of biological medicine equipment, realize that the full-automation of chemiluminescence detector has certain condition.
Chemiluminescence detector mainly includes reaction cup loading device, sample-adding this and reagent device, incubation reaction device, clear
Cleaning device, shine measuring device, control system and software systems.The cleaning device of general traditional chemical luminometer
In, the wiper mechanism of waste liquid needle is taken out for last root without specially setting, but last root is found according to long-term clinical application
Liquid pumping needle will lead between reaction cup that there are cross contaminations without cleaning, influence test result.
Utility model content
Based on this, it is necessary to it is simple and prevent the wiper mechanism of cross contamination and comprising the wiper mechanism to provide a kind of structure
Chemiluminescence detector.
A kind of wiper mechanism, for carrying out pumping liquid waste processing, including the first driving assembly, the second driving group to reaction cup
Part, cleaning assembly and rinse bath, the rinse bath are used to clean the liquid pumping needle of the cleaning assembly, and the cleaning assembly is for cleaning
Waste liquid in abstraction reaction cup at position, first driving assembly is for driving the cleaning assembly vertical motion, second driving group
Part for drive the cleaning assembly above the top of cleaning positions and rinse bath between rotate.
The cleaning assembly is at the cleaning positions in abstraction reaction cup when waste liquid in one of the embodiments, this first
Driving assembly drives the liquid pumping needle of the cleaning assembly to extend into or out the reaction cup；The drawing liquid part, should when the rinse bath cleans
First driving assembly drives the liquid pumping needle to extend into or out the rinse bath.
First driving assembly drives the liquid pumping needle of the cleaning assembly at the cleaning positions in one of the embodiments,
The reaction cup is protruded into, which extracts the liquid pumping needle that first driving assembly after the waste liquid of the reaction cup drives the cleaning assembly
Stretch out the reaction cup；Second driving assembly drives the cleaning assembly to be turned on the rinse bath above the cleaning positions
Side；First driving assembly drives the liquid pumping needle to protrude into and stretches out the rinse bath to clean the liquid pumping needle.
The wiper mechanism includes mounting rack in one of the embodiments, the sliding block being slidably matched with the mounting rack, with
The first driving assembly that the mounting rack connects and the sliding block is driven to reciprocatingly slide, the shaft with sliding block rotation connection,
The fixed block being fixed in the shaft is connected with the slide block and drives the second driving assembly of the shaft rotation, setting
On the mounting rack and the fixed block and be used to support the pipe clamp of liquid suction pipe, and be mounted on the fixed block and with it is described
The cleaning assembly of liquid suction pipe connection.
The cleaning assembly includes drawing liquid body in one of the embodiments, and the drawing liquid body includes and the fixed block
The needle guard of connection, the needle stand being set in the needle guard, and the drawing liquid for being threaded through in the needle stand and being connect with the liquid suction pipe
Needle.
In one of the embodiments, the drawing liquid body further include be set on the needle stand and both ends respectively with it is described solid
Determine the compressed spring that block and the needle stand abut.
The pilot hole with needle stand cooperation, the pilot hole are provided on the needle guard in one of the embodiments,
Inner wall on along its it is circumferential radially be arranged at intervals with several limiting slots, the limiting slot prolongs along the axial direction of the pilot hole
It stretches；The limited post being slidably matched with the limiting slot is installed on the outer wall of the needle stand；
Wherein, when the limited post cooperates from the different limiting slots, the needle stand is rotated relative to the needle guard to be set
Angle.
The pipe clamp includes deck and one end and the deck with several accommodation grooves in one of the embodiments,
The pressing plate that rotation connection and the other end can be snapped connection with the deck, locating liquid suction pipe and the accommodation groove cooperate.
It in one of the embodiments, further include at least one in following：
Extension spring, for preventing the sliding block from falling, one end of the extension spring is fixed on the mounting rack, institute
The other end for stating extension spring is connected with the slide block；
Locating part, for limiting the sliding stroke of the sliding block, the locating part be mounted on the mounting rack and with institute
The end for stating sliding block is corresponding；
Optocoupler and baffle, the optocoupler are fixed on the mounting rack and corresponding with the initial position of the sliding block, institute
It is on the slide block and corresponding with the optocoupler to state baffle fixation.
A kind of chemiluminescence detector, including any of the above-described wiper mechanism.
Wiper mechanism provided by the utility model and chemiluminescence detector comprising the wiper mechanism, when the first driving group
When part drives sliding block to slide close to reaction cup, cleaning assembly can be made to carry out pumping liquid waste processing to reaction cup.When the second driving group
When part drive shaft rotates, cleaning assembly relative response cup is driven to rotate a certain angle by shaft, so as to cleaning assembly
It is cleaned, prevents cross contamination.The wiper mechanism structure is simple, easy to operate, improves the drawing liquid effect of wiper mechanism.
Detailed description of the invention
Fig. 1 is the wiper mechanism structural schematic diagram corresponding with reaction cup that an embodiment provides；
The schematic perspective view of drawing liquid body in the wiper mechanism that Fig. 2 provides for an embodiment；
The schematic cross-sectional view that Fig. 3 is 2；
Fig. 4 is the structural schematic diagram for the wiper mechanism that an embodiment provides；
The schematic perspective view of pipe clamp in the wiper mechanism that Fig. 5 provides for an embodiment；
Fig. 6 is the planar structure schematic diagram of Fig. 5.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making practical new to this
The disclosure of type understands more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein "inner", "outside", "left", "right" and
Similar statement for illustrative purposes only, is not meant to be the only embodiment.
Simultaneously refering to fig. 1 and Fig. 4, a kind of wiper mechanism 10, for carrying out pumping liquid waste processing to reaction cup 20.The cleaning machine
Structure 10 include mounting rack 200, sliding block 300, the first driving assembly 400, shaft 500, fixed block 510, the second driving assembly 600,
Pipe clamp 740 and cleaning assembly 100.Mounting rack 200 is fixed, and sliding block 300 is slidably matched with mounting rack 200, and sliding block 300 can be with
Opposite mounting rack 200 up and down reciprocatingly slides, and the first driving assembly 400 is connect with mounting rack 200, and the first driving assembly 400 can
Driving sliding block 300 up and down reciprocatingly slides.Shaft 500 and sliding block 300 are rotatablely connected, and the second driving assembly 600 connects with sliding block 300
Connect, the second driving assembly 600 can drive shaft 500 rotate a certain angle.Fixed block 510 is fixedly connected with shaft 500, Gu
Determining block 510 can follow shaft 500 to rotate together, and cleaning assembly 100 is mounted on fixed block 510 and connect with liquid suction pipe 30,
When shaft 500 rotates, cleaning assembly 100 and fixed block 510 rotate simultaneously.Pipe clamp 740 is arranged in mounting rack 200 and fixed block
On 510, for 30 holding of liquid suction pipe in pipe clamp 740, pipe clamp 740 forms supporting role to liquid suction pipe 30.
Simultaneously refering to fig. 1 to Fig. 3, in some embodiments, cleaning assembly 100 includes drawing liquid body 110.Drawing liquid body 110 wraps
Include needle guard 111, needle stand 112 and liquid pumping needle 113.Liquid pumping needle 113 is for the waste liquid in abstraction reaction cup 20, needle guard 111 and fixation
Block 510 connects, and changes the link position of needle guard 111 and fixed block 510, adjustable 113 relative response cup of liquid pumping needle, 20 center
The position of axis.Needle stand 112 is set in needle guard 111, and certainly, needle stand 112 can be rotated relative to needle guard 111, meanwhile, needle stand
112 can also slide up and down with respect to needle guard 111.Specifically, the pilot hole 121 cooperated with needle stand 112 is provided on needle guard 111,
Limiting slot 123 is provided on the inner wall of pilot hole 121, limiting slot 123 is arranged at interval radially, 123 edge of limiting slot
Pilot hole 121 it is axially extending, limited post 122 is installed, limited post 122 is matched with the sliding of limiting slot 123 on the outer wall of needle stand 112
It closes, when limited post 122 cooperates from different limiting slots 123, realizes needle stand 112 relative to the angle of the rotation setting of needle guard 111.It takes out
Liquid needle 113 is threaded through in needle stand 112, and liquid pumping needle 113 will follow needle stand 112 to rotate or slide relative to needle guard 111 simultaneously.Liquid pumping needle
113 upper end is connect with liquid suction pipe 30, and the lower end of liquid pumping needle 113 can protrude into progress waste liquid extraction in reaction cup 20.Work as drawing liquid
After needle 113 extracts waste liquid, liquid pumping needle 113 is cleaned with cleaning solution, to prevent cross contamination.
Simultaneously refering to fig. 1 and Fig. 2, in some embodiments, cleaning assembly 100 further includes rinse bath 120, rinse bath 120
In be loaded with cleaning solution, when liquid pumping needle 113 is inserted into the cleaning solution in rinse bath 120, cleaning solution will be to being adhered to liquid pumping needle 113
Remaining waste liquid is cleaned in outside wall surface, prevents 113 cross contamination of liquid pumping needle.
Simultaneously refering to Fig. 2 and Fig. 3, certainly, drawing liquid body 110 further includes compressed spring 114, be can be set on needle stand 112 convex
Platform, compressed spring 114 are set on needle stand 112, and the lower end of compressed spring 114 is abutted with boss, the upper end of compressed spring 114 with
Fixed block 510 abuts.Compressed spring 114 can play buffering and reset response, when liquid pumping needle 113 and the bottom wall of reaction cup 20 connect
When touching, the relatively fixed block 510 of needle stand 112 is moved upwards, and compressed spring 114 can play buffer function appropriate, avoid drawing liquid
Needle 113 damages.
Refering to Fig. 4, the first driving assembly 400 includes first motor 410, driving gear 420 and rack gear 430.First motor
410 are fixed on mounting rack 200, and driving gear 420 is mounted on the output shaft of first motor 410, and rack gear 430 is fixed on vertically
On sliding block 300, driving gear 420 and rack gear 430 are intermeshed.When first motor 410 forward or reverse when, pass through driving gear
420 with the engagement of rack gear 430, sliding block 300 can be driven to reciprocatingly slide downwards, so that liquid pumping needle 113 be driven to protrude into or take out
Out in reaction cup 20.When needing to take out waste liquid, first motor 410 is moved downward with movable slider 300, and liquid pumping needle 113 protrudes into reaction
Waste liquid is extracted in cup 20；After waste liquid extracts, first motor 410 is moved upwards with movable slider 300, and then drives liquid pumping needle
113 exit reaction cup 20.
Refering to Fig. 4, the second driving assembly 600 includes the second motor 610, driving gear 620 and driven gear 630.Second
Motor 610 is fixed on sliding block 300, and driving gear 620 is mounted on the output shaft of the second motor 610, and driven gear 630 is installed
In the lower end of shaft 500, driving gear 620 and driven gear 630 are intermeshed.Pass through driving gear 620 and driven gear 630
Engagement, when the second motor 610 forward or reverse when, can be rotated counterclockwise or clockwise with drive shaft 500.Work as drawing liquid
When the extraction waste liquid of needle 113 finishes simultaneously extraction cup 20,610 drive shaft 500 of the second motor drives drawing liquid body 110 close to cleaning
Slot 120 rotates, so that liquid pumping needle 113 be made to be located at the surface of rinse bath 120, then, first motor 410 with movable slider 300 to
Lower movement, protrudes into liquid pumping needle 113 in the cleaning solution of rinse bath 120, and cleaning solution will clean liquid pumping needle 113.Work as drawing liquid
After needle 113 cleans, first motor 410 is moved upwards with movable slider 300, and liquid pumping needle 113 is made to exit rinse bath 120, then,
Second motor, 610 drive shaft 500 drives drawing liquid body 110 to rotate close to reaction cup 20, and liquid pumping needle 113 is made to be located at reaction cup 20
Surface, so as to the waste liquid in 113 abstraction reaction cup 20 of liquid pumping needle.
Simultaneously refering to fig. 4 to fig. 6, in some embodiments, encoder is also equipped in shaft 500, encoder can be remembered
Record the rotational travel of shaft 500.Pipe clamp 740 includes deck 741 and pressing plate 742.One end of pressing plate 742 and the rotation of deck 741 connect
It connects, the other end and the deck 741 of pressing plate 742 snap connection.Several accommodation grooves 743 are set on deck 741, and liquid suction pipe 30 is installed
It, can be sandwiched by liquid suction pipe 30 when pressing plate 742, which covers, to be closed accommodation groove 743 and snap connection with deck 741 in accommodation groove 743
In deck 741, to form supporting role to liquid suction pipe 30.It will be appreciated, of course, that pipe clamp 740 can also be fixed block 510
On the folder hole etc. that opens up.
Refering to Fig. 4, wiper mechanism 10 can also include extension spring 710, locating part 750, optocoupler 730 and baffle 720 etc..
One end of extension spring 710 is fixed on mounting rack 200, and the other end of extension spring 710 is connect with the bottom end of sliding block 300, by
When the extraneous factors such as catastrophic failure cause cleaning assembly 100 that sliding block 300 is followed to glide, the pulling force that extension spring 710 generates will
Decelerating effect is played to the downslide of sliding block 300, the bottom surface of liquid pumping needle 113 and reaction cup 20 is avoided to generate collision.
Locating part 750 can be mounted on the bottom end of mounting rack 200 for stop screw 751 etc., stop screw 751, limit spiral shell
Nail 751 can be abutted against with the bottom end of sliding block 300.When sliding block 300 slides into extreme lower position with respect to mounting rack 200, stop screw
751 will abut with sliding block 300, and anti-limited slip block 300 continues to glide, to play the downward maximum sliding stroke of limitation sliding block 300
Effect.
Optocoupler 730 is fixed on mounting rack 200, and optocoupler 730 is corresponding with the initial position of sliding block 300, and baffle 720 is fixed
On sliding block 300, when baffle 720 moves at optocoupler 730, optocoupler 730 will be excited generationPulseSignal, to play inspection
Survey and determine the effect of 10 initial position of wiper mechanism.
The utility model also provides a kind of chemiluminescence detector, which includes above-mentioned wiper mechanism
10。
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of wiper mechanism, for carrying out pumping liquid waste processing to reaction cup, which is characterized in that including the first driving assembly,
Two driving assemblies, cleaning assembly and rinse bath, the rinse bath are used to clean the liquid pumping needle of the cleaning assembly, the cleaning group
Part is used at cleaning positions waste liquid in abstraction reaction cup, and first driving assembly is for driving the cleaning assembly to transport vertically
It is dynamic, second driving assembly for drive the cleaning assembly above the top of cleaning positions and rinse bath between rotate.
2. wiper mechanism according to claim 1, which is characterized in that the cleaning assembly extracts at the cleaning positions
In reaction cup when waste liquid, first driving assembly drives the liquid pumping needle of the cleaning assembly to extend into or out the reaction cup；
For the drawing liquid part when the rinse bath cleans, first driving assembly drives the liquid pumping needle to extend into or out the cleaning
Slot.
3. wiper mechanism according to claim 1, which is characterized in that first driving assembly is at the cleaning positions
The liquid pumping needle of the cleaning assembly is driven to protrude into the reaction cup, the liquid pumping needle extracts described after the waste liquid of the reaction cup
One driving assembly drives the liquid pumping needle of the cleaning assembly to stretch out the reaction cup；Second driving assembly drives the cleaning
Component is turned to above the cleaning positions above the rinse bath；First driving assembly drives the liquid pumping needle to stretch
Enter and stretches out the rinse bath to clean the liquid pumping needle.
4. wiper mechanism according to claim 1, which is characterized in that the wiper mechanism includes mounting rack, with the peace
The sliding block being slidably matched is shelved, the first driving assembly for connecting with the mounting rack and the sliding block being driven to reciprocatingly slide, with institute
The shaft of sliding block rotation connection is stated, the fixed block being fixed in the shaft is connected with the slide block and the shaft is driven to turn
The second dynamic driving assembly is arranged on the mounting rack and the fixed block and is used to support the pipe clamp of liquid suction pipe, and installation
The cleaning assembly being connect on the fixed block and with the liquid suction pipe.
5. wiper mechanism according to claim 4, which is characterized in that the cleaning assembly includes drawing liquid body, the drawing liquid
Body includes the needle guard connecting with the fixed block, the needle stand being set in the needle guard, and be threaded through in the needle stand and with institute
State the liquid pumping needle of liquid suction pipe connection.
6. wiper mechanism according to claim 5, which is characterized in that the drawing liquid body further includes being set on the needle stand
And the compressed spring that both ends are abutted with the fixed block and the needle stand respectively.
7. wiper mechanism according to claim 5, which is characterized in that be provided on the needle guard and needle stand cooperation
Pilot hole, on the inner wall of the pilot hole along its it is circumferential radially be arranged at intervals with several limiting slots, the limiting slot edge
The pilot hole it is axially extending；The limited post being slidably matched with the limiting slot is installed on the outer wall of the needle stand；
Wherein, when the limited post cooperates from the different limiting slots, the needle stand rotates set angle relative to the needle guard.
8. wiper mechanism according to claim 4, which is characterized in that the pipe clamp includes the card with several accommodation grooves
Seat and one end and the pressing plate that the deck is rotatablely connected and the other end can be snapped connection with the deck, locating liquid suction pipe and institute
State accommodation groove cooperation.
9. wiper mechanism according to claim 4, which is characterized in that further include at least one in following：
Extension spring, for preventing the sliding block from falling, one end of the extension spring is fixed on the mounting rack, the drawing
The other end for stretching spring is connected with the slide block；
Locating part, for limiting the sliding stroke of the sliding block, the locating part be mounted on the mounting rack and with the cunning
The end of block is corresponding；
Optocoupler and baffle, the optocoupler are fixed on the mounting rack and corresponding with the initial position of the sliding block, the gear
Piece fixation is on the slide block and corresponding with the optocoupler.
10. a kind of chemiluminescence detector, which is characterized in that including cleaning machine as claimed in any one of claims 1-9 wherein
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820127599.9U CN208140725U (en) | 2018-01-25 | 2018-01-25 | Wiper mechanism and chemiluminescence detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820127599.9U CN208140725U (en) | 2018-01-25 | 2018-01-25 | Wiper mechanism and chemiluminescence detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208140725U true CN208140725U (en) | 2018-11-23 |
Family
ID=64285043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820127599.9U Active CN208140725U (en) | 2018-01-25 | 2018-01-25 | Wiper mechanism and chemiluminescence detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208140725U (en) |
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2018
- 2018-01-25 CN CN201820127599.9U patent/CN208140725U/en active Active
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