CN207779760U - A kind of sample needle anticollision mechanism for in-vitro diagnosis equipment - Google Patents
A kind of sample needle anticollision mechanism for in-vitro diagnosis equipment Download PDFInfo
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- CN207779760U CN207779760U CN201820140573.8U CN201820140573U CN207779760U CN 207779760 U CN207779760 U CN 207779760U CN 201820140573 U CN201820140573 U CN 201820140573U CN 207779760 U CN207779760 U CN 207779760U
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- needle
- fixed seat
- sample needle
- needle tubing
- limited block
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Abstract
The utility model is related to a kind of sample needle anticollision mechanism for in-vitro diagnosis equipment, including needle tubing fixed seat, sample needle, guidance set, limited block, elastic component, item pipe and travel switch, sample needle passes through needle tubing fixed seat, and is stretched out from needle tubing fixed seat bottom end；Guidance set is arranged in needle tubing fixed seat, and with the sliding rail arranged vertically；Limited block is fixedly connected with sample needle, and limited block is arranged on the sliding rail, and can be moved along sliding rail；It is extend into item pipe at the top of sample needle, item pipe is fixedly connected with sliding rail；Elastic component is arranged between needle tubing fixed seat and limited block；Travel switch is fixed on limited block, described piece with needle tubing fixed seat close to when, travel switch can be triggered.Relative motion is apart from excessive between solving the problems, such as the whole device of technology anticollision device, collision-prevention device in the prior art.
Description
Technical field
The utility model is related to a kind of sample needle anticollision mechanisms for in-vitro diagnosis equipment, belong to medical device technology neck
Domain.
Background technology
The most commonly used diagnostic method of preceding medical domain is in-vitro diagnosis, refers to the body fluid, blood, row for acquiring human body
The analysis that object and secretion etc. carry out chemical composition or chemical reaction is let out, to obtain clinical diagnosis information, and then judges disease
The products ＆ services of disease or body function.Main to have chemiluminometry and Molecular diagnostics, these diagnostic methods use
Automatically or semi-automatically instrument is loaded, is analyzed, and finally provides diagnosis report.The sample adding device of this quasi-instrument needs to match
The sample injector that standby disposable sample needle is either reused, however disposable sample needle overall cost is higher, can increase single
The cost of inspection project, it is extremely uneconomical for lower-cost inspection project；Reusable sample needle single-piece at
This is again higher, replaces program complexity, and there are the risks of biochemical pollution.And in the case where there is exception in instrument, sample needle
In the presence of the risk for hitting other positions of instrument, causes to shut down or damage, even generate biochemical pollution, influence entire testing number
According to.
So in the instrument diagnosed in vitro, need to consider protection sample needle in the case of instrument exception, from damaging,
It avoids losing, reduces the risk of biochemical pollution.The patent of the Patent No. 201510137298.5 of our company's application in 2015, it is public
A kind of sample needle anticollision device, collision-prevention device of in-vitro diagnosis equipment has been opened, liquid level can have been caused to visit when the device encounters the other parts of instrument
It surveys device seat to move all the way up, compresses compressed spring, level sensor seat is pushed to rack pipe by spring again after instrument restores
Bottom, if this results in spring, the deformation quantity when level sensor moves upwards is excessive, in the deformation that spring passes through itself
When power makes liquid level sensor set back, being easy to cause liquid level sensor moment obtains larger kinetic energy, is easy to cause entire dress
The damage set.
Utility model content
The technical problems to be solved in the utility model is：To solve the whole device of technology anticollision device, collision-prevention device in the prior art
Between relative motion apart from excessive problem, a kind of sample needle anticollision mechanism for in-vitro diagnosis equipment is provided.
Technical solution adopted by the utility model to solve its technical problems is：A kind of sample-adding for in-vitro diagnosis equipment
Needle anticollision mechanism, including：
Needle tubing fixed seat；
Sample needle, the sample needle are fixed on across the needle tubing fixed seat in needle tubing fixed seat, and solid from the needle tubing
Reservation bottom end is stretched out；
Guidance set, the guidance set are arranged in needle tubing fixed seat, and with the sliding rail arranged vertically；
Limited block is fixedly connected with the sample needle, and the limited block is arranged on the sliding rail, and can be along the cunning
Rail moves；
Item pipe, the sample needle top are extend into item pipe, and the item pipe is fixedly connected with sliding rail；
Elastic component is arranged between needle tubing fixed seat and limited block；
Travel switch, the travel switch are fixed on the limited block, and the limited block is leaned on needle tubing fixed seat
When close, the travel switch can be triggered.
Preferably, the sample needle anticollision mechanism for in-vitro diagnosis equipment of the utility model, the elastic component are cylindricality
Spring.
Preferably, the sample needle anticollision mechanism for in-vitro diagnosis equipment of the utility model, the limited block includes L-shaped
Mounting base, and at the mounting base L-shaped ladder with the sliding rail cooperation sliding block.
Preferably, the sample needle anticollision mechanism for in-vitro diagnosis equipment of the utility model, in the needle tubing fixed seat
It is provided with liquid level sensor, the liquid level sensor is used to detect the liquid level in sample needle.
Preferably, the sample needle anticollision mechanism for in-vitro diagnosis equipment of the utility model, the item pipe are rack pipe.
Preferably, the sample needle anticollision mechanism for in-vitro diagnosis equipment of the utility model, needle tubing fixed seat top
Portion is provided with trigger shrapnel, and the trigger shrapnel can be in contact with the key spring plate on travel switch and triggering stroke is made to open
It closes.
The utility model has the beneficial effects that：A kind of sample needle anticollision mechanism and liquid level for in-vitro diagnosis equipment is visited
It surveys and buffer protection is integrated, using the break-make characteristic of travel switch, when a crash occurs, power supply is controlled by travel switch
Connection or disconnection prevent the damage of sample needle to achieve the purpose that entire mechanism is stopped.The sample needle anticollision mechanism
Simple in structure, after hitting, which can recoil to travel switch working condition using elastic component by needle tubing fixed seat, protect
Sample needle is protected, loss and instrument cost are reduced, reduces biochemical pollution.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structure of sample needle anticollision mechanism for in-vitro diagnosis equipment in the utility model embodiment 1
Schematic diagram；
Reference numeral in figure is：1- needle tubing fixed seats；11- trigger shrapnels；2- elastic components；3- limited blocks；31- is installed
Seat；32- sliding blocks；4- sliding rails；5- sample needles；6- item pipes；7- travel switches；71- key spring plates.
Specific implementation mode
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
Embodiment
The present embodiment provides a kind of sample needle anticollision mechanisms for in-vitro diagnosis equipment, as shown in Figure 1, solid including needle tubing
Reservation 1, elastic component 2, limited block 3, guidance set, sample needle 5, item pipe 6 and travel switch 7.
The through-hole of 1 upper and lower ends of needle tubing fixed seat is provided through in needle tubing fixed seat 1, sample needle 5 is fixed by needle tubing
Through-hole on seat 1, which passes through, needle tubing fixed seat 1 and to be fixed in needle tubing fixed seat 1, and one end of sample needle 5 is from needle tubing fixed seat 1
Bottom end is stretched out, and the other end is extend into item pipe 6, this pipe 6 is preferably rack pipe.Liquid level biography is additionally provided in needle tubing fixed seat 1
Sensor, liquid level sensor are used to detect the liquid level in sample needle 5.Guidance set, guiding group are provided in needle tubing fixed seat 1
Part includes the sliding rail 4 arranged vertically；Limited block 3 includes L-shaped mounting base 31 and sliding block 32, and sliding block 32 is located at mounting base 31L shapes
At ladder, and it can coordinate with sliding rail 4, sample needle 5 is fixedly connected with the L-shaped lateral wall mounted on 31 on limited block 3.In needle
Elastic component 2 is provided between pipe fixed seat 1 and limited block 3, which is preferably cylindrical spring, does not hit instrument in sample needle 5
When other positions of device, which is used to reduce the influence that the shake of device when moving is loaded sample needle.
1 top of needle tubing fixed seat is provided with trigger shrapnel 11, and trigger shrapnel 11 can be with the key spring plate on travel switch 7
71 are in contact and make triggering travel switch 7.
Trigger shrapnel 11 has elastic deformation ability, prevents from causing to damage to travel switch 7 when triggering travel switch 7.
Travel switch 7 is in normally open, after hitting, sample needle 5 stops with needle tubing fixing piece 1 when non-impact
It only moves, since motor still operates, item pipe 6 and sliding block 32 are along 4 slide downward of sliding rail, and limited block 3 is close to needle tubing fixing piece 1
And compression elastic piece 2, the trigger shrapnel 11 on needle tubing fixing piece 1 is in contact with key spring plate 71 triggers travel switch 7, makes
Motor stops, and prevents item pipe 6 and limited block 3 from continuing to move downward.When hitting releasing, restore under the effect of cylindrical spring elastic force
Original state, limited block 3 are gradually distance from needle tubing fixing piece 1, to make trigger shrapnel 11 be disengaged with key spring plate 71, to make row
Cheng Kaiguan restores open state.
A kind of sample needle anticollision mechanism and detecting liquid level and buffer protection for in-vitro diagnosis equipment is integrated, and is utilized
The break-make characteristic of travel switch 7 controls the connection or disconnection of power supply by travel switch 7, to reach when a crash occurs
The purpose that entire mechanism is stopped, prevents the damage of sample needle 5.The sample needle anticollision mechanism is simple in structure, when hitting
Afterwards, which can utilize elastic component 2 that needle tubing fixed seat 1 is returned to the working condition of travel switch 7, protect sample needle 5, reduce
Loss and instrument cost reduce biochemical pollution.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to which its technology is determined according to right
Property range.
Claims (6)
1. a kind of sample needle anticollision mechanism for in-vitro diagnosis equipment, which is characterized in that including：
Needle tubing fixed seat (1)；
Sample needle (5), the sample needle (5) are fixed on across the needle tubing fixed seat (1) in needle tubing fixed seat (1), and from institute
State the stretching of needle tubing fixed seat (1) bottom end；
Guidance set, the guidance set are arranged in needle tubing fixed seat (1), and with the sliding rail (4) arranged vertically；
Limited block (3) is fixedly connected with the sample needle (5), and the limited block (3) is arranged on the sliding rail (4), and can
It is mobile along the sliding rail (4)；
Item pipe (6), sample needle (5) top are extend into item pipe (6), and the item pipe (6) is fixedly connected with sliding rail (4)；
Elastic component (2) is arranged between needle tubing fixed seat (1) and limited block (3)；
Travel switch (7), the travel switch (7) are fixed on the limited block (3), the limited block (3) and needle tubing
When fixed seat (1) is close, the travel switch (7) can be triggered.
2. the sample needle anticollision mechanism according to claim 1 for in-vitro diagnosis equipment, which is characterized in that the elasticity
Part (2) is cylindrical spring.
3. the sample needle anticollision mechanism according to claim 1 for in-vitro diagnosis equipment, which is characterized in that the limit
Block (3) includes L-shaped mounting base (31), and the cunning with the sliding rail (4) cooperation at the mounting base (31) L-shaped ladder
Block (32).
4. the sample needle anticollision mechanism according to claim 1 for in-vitro diagnosis equipment, which is characterized in that the needle tubing
Liquid level sensor is provided in fixed seat (1), the liquid level sensor is used to detect the liquid level in sample needle (5).
5. the sample needle anticollision mechanism according to claim 1 for in-vitro diagnosis equipment, which is characterized in that the item pipe
(6) it is rack pipe.
6. being used for the sample needle anticollision mechanism of in-vitro diagnosis equipment according to claim 1-5 any one of them, which is characterized in that
Be provided with trigger shrapnel (11) at the top of the needle tubing fixed seat (1), the trigger shrapnel (11) can on travel switch (7)
Key spring plate (71) is in contact and makes triggering travel switch (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820140573.8U CN207779760U (en) | 2018-01-26 | 2018-01-26 | A kind of sample needle anticollision mechanism for in-vitro diagnosis equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820140573.8U CN207779760U (en) | 2018-01-26 | 2018-01-26 | A kind of sample needle anticollision mechanism for in-vitro diagnosis equipment |
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| Publication Number | Publication Date |
|---|---|
| CN207779760U true CN207779760U (en) | 2018-08-28 |
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ID=63210856
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820140573.8U Active CN207779760U (en) | 2018-01-26 | 2018-01-26 | A kind of sample needle anticollision mechanism for in-vitro diagnosis equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058034A (en) * | 2019-03-19 | 2019-07-26 | 上海太阳生物技术有限公司 | A kind of analyzer and its analyzer sample adding system anticollision device, collision-prevention device |
-
2018
- 2018-01-26 CN CN201820140573.8U patent/CN207779760U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058034A (en) * | 2019-03-19 | 2019-07-26 | 上海太阳生物技术有限公司 | A kind of analyzer and its analyzer sample adding system anticollision device, collision-prevention device |
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