CN202173942U - Non-commensurate continuous sample injector - Google Patents
Non-commensurate continuous sample injector Download PDFInfo
- Publication number
- CN202173942U CN202173942U CN2011202446131U CN201120244613U CN202173942U CN 202173942 U CN202173942 U CN 202173942U CN 2011202446131 U CN2011202446131 U CN 2011202446131U CN 201120244613 U CN201120244613 U CN 201120244613U CN 202173942 U CN202173942 U CN 202173942U
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- Prior art keywords
- bar
- hole
- compression spring
- equivalent
- sample injector
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Abstract
The utility model discloses a non-commensurate continuous sample injector, which comprises a casing, a liquid suction rod, a valve rod and an internally pressing handle. The casing is provided with a hollow cavity and a liquid suction nozzle provided with a liquid suction hole, the inner wall of the hollow cavity is provided with a plurality of clamp teeth, the liquid suction rod is provided with a thin rod and a thick rod, the thin rod penetrates into the liquid suction hole, a sealing ring is formed at the end of the thin rod, a first compression spring is sleeved on the thin rod, a containing chamber is arranged in the thick rod, and the thick rod is further provided with a through hole. The valve rod movably penetrates into the through hole of the liquid suction rod and is matched with the clamp teeth in a clamped manner, the other end of the valve rod is abutted against by a second compression spring, and a clamp hole provided with a first matching surface is formed on the valve rod. The internally pressing handle is provided with a handle body and a clamp block, the clamp block is provided with a second matching surface capable of being matched with the first matching surface, a third compression spring is further sleeved on the clamp block of the internally pressing handle, the lower end of the third compression spring is abutted onto the valve rod, and the upper end of the third compression spring is abutted to the handle body. The non-commensurate continuous sample injector is capable of realizing non-commensurate continuous sample injection and has the advantage of simple structure.
Description
Technical field
The utility model relates to a kind of sample adding device, relates to the continuous sample injector of a kind of non-equivalent in particular, and it can carry out repeatedly non-equivalent application of sample continuously in the blood screening joint detection process.
Background technology
Along with social industrialization deepens continuously, various diseases also attacks to people.In order to find as early as possible and disease preventing and treating that regular health examination has become the part in people's life, wherein blood testing then is a ring important in the health detection.
Street corner blood screening joint-detection often need be carried out the detection of a plurality of projects to same detected person at present; It need carry out identical sampling and application of sample step mostly repeatedly, so cause consumable supplies excess waste, detect that cost is high, pollute easily in the blood transfer process, complex operation, detection efficiency is low and defective such as easy appearances manual work error.Thus, people have developed continuous sample injector, and it can be after primary sample, and continuous several times ejects the blood of equivalent for the different detection needs, thus the operation that is convenient for people to greatly.
But; Running into the situation that needs non-equivalent application of sample; Then can bring great inconvenience to the user; Though Chinese utility model patent ZL9123 1731.0 once disclosed the continuous liquid feeding of micro quantitative determination (appearance) device, its manually-operated in sampling comparatively bothers, and in the use that blood screening detects, has certain limitation.
In view of this, the inventor has this case to produce to the above-mentioned defective further investigation of existing sample injector then.
The utility model content
The purpose of the utility model is to provide a kind of non-equivalent continuous sample injector, to solve the problem that prior art can't realize non-equivalent application of sample and troublesome poeration.
In order to reach above-mentioned purpose, the solution of the utility model is:
The continuous sample injector of a kind of non-equivalent wherein, comprising:
Shell, its underpart is formed with imbibition nozzle, and top is formed with cavity, and this imbibition nozzle inside is formed with the imbibing hole that is connected with cavity, is formed with the long latch that does not wait and be arranged in order along the vertical direction of a plurality of teeth on the inwall of this cavity;
The imbibition bar; Have thin bar and the thick bar that is connected thin bar top; This thin bar is located in the imbibing hole and thin boom end is formed with the sealing ring that seals gap between thin bar and the imbibition nozzle, also is arranged with the first compression spring on this thin bar, and this first compression spring is arranged in cavity and the upper end is resisted against bottom the thick bar; This thick bar is installed with in cavity and in the thick bar and offers accommodating chamber, also is formed with the through hole that connects thick bar from left and right directions on this thick bar;
Valve rod, activity are located in the through hole of imbibition bar, and the one of which end can block mutually with latch and join; The other end is replaced by one second compression spring then; This second compression spring is installed with in cavity and is resisted against on the shell, is formed with hole clipping on this valve rod, and this hole clipping has first mating surface;
Interior pressure handle; Activity is installed with in the accommodating chamber of imbibition bar and the fixture block that has the handle body and be positioned at handle body lower end; Be formed with on this fixture block and can match with hole clipping first mating surface and change between valve rod and the latch second mating surface that card is joined relation; Should also be arranged with the 3rd compression spring on the interior pressure handle fixture block, the 3rd compression spring lower end abutment is on valve rod, and the upper end is resisted against on the handle body.
Further, the continuous sample injector of this non-equivalent also comprises the gland that is fixed on imbibition masthead portion and avoids interior pressure handle to skid off, and this imbibition bar is provided with fluting, is formed with compressing tablet on pressure handle in this, and this compressing tablet sees through fluting and exposes outside shell.
Further, this first mating surface and second mating surface inclined-plane for cooperatively interacting.
Further, the continuous sample injector of this non-equivalent also comprises active shell, and this active shell is set in the shell lower end; This active shell also is formed with limiting plate; Be formed with chute and pin-and-hole on this limiting plate, slidably be provided with fixed axis on this chute, this fixed axis is fixed on the shell; Be equipped with bearing pin on this pin-and-hole, also be connected with extension spring between this bearing pin and the chute.
Further, the continuous sample injector of this non-equivalent also comprises the securing cover plate that is fixed on the shell and limits the active shell activity upper limit.
Further, this valve rod and latch all adopt elastic material to process.
After adopting said structure; The continuous sample injector of a kind of non-equivalent that the utility model relates to when sampling, is pinned interior pressure handle; This interior pressure handle then can drive the imbibition bar and move downward; This moment is because the mating reaction between interior pressure handle and the valve rod makes valve rod and latch be separated, and do not have resistance when promptly the imbibition bar moves down and can accomplish the step that drains inner air smoothly; During pressure handle, under the effect of the 3rd compression spring, this hole clipping first mating surface and fixture block second mating surface are separated in unclamping, and this valve rod then compresses under the effect of spring second and resets, and promptly matches with latch; When application of sample; People only need pin the top of imbibition bar and the imbibition bar is moved downward; Because the matching relationship between valve rod and the latch; So make resistance to occur when the imbibition bar moves down, and between twice continuous resistance, then be the once quantitative single sampling step in the continuous application of sample process of non-equivalent interimly.Thus, the utility model can be realized the continuous application of sample of non-equivalent, and has effect simple in structure.
Description of drawings
The perspective view of Fig. 1 continuous sample injector of a kind of non-equivalent for the utility model relates to;
The three-dimensional exploded view of Fig. 2 continuous sample injector of a kind of non-equivalent for the utility model relates to;
Fig. 3 is the cutaway view of Fig. 1;
Fig. 4 is the cutaway view of another angle of Fig. 1;
The cutaway view of Fig. 5 when the continuous sample injector of a kind of non-equivalent comprises disposable suction nozzle for the utility model relates to.
Among the figure:
The continuous sample injector 100 of non-equivalent
Latch 13 securing cover plates 14
Imbibition bar 2 thin bars 21
Thick bar 22 accommodating chambers 221
Through hole 222 glands 23
Fluting 24
Valve rod 3 second compression springs 31
Fixture block 42 second mating surfaces 421
The 3rd compression spring 422 compressing tablets 43
Pin-and-hole 512 bearing pins 52
The specific embodiment
In order further to explain the technical scheme of the utility model, come the utility model is set forth in detail through specific embodiment below.
To shown in Figure 4, it comprises shell 1, imbibition bar 2, valve rod 3 and interior pressure handle 4 for the continuous sample injector 100 of a kind of non-equivalent that the utility model relates to like Fig. 1, wherein:
This shell 1, its underpart is formed with imbibition nozzle 11, and top is formed with cavity 12; These imbibition nozzle 11 inside are formed with imbibing hole 111; This imbibing hole 111 is connected with cavity 12, is formed with a plurality of latches 13 on the inwall of this cavity 12, and the tooth of these a plurality of latches 13 is long not to be waited and be arranged in order along the vertical direction; Concrete, the tooth Chang'an row of these a plurality of latches 13 comes match settings according to actual application of sample situation, sets through different teeth is long, can adjust the application of sample amount of each application of sample;
This imbibition bar 2 has thin bar 21 and thick bar 22, and is concrete; This thin bar 21 is arranged on the bottom, and 22 on this thick bar links to each other with thin bar 21 and is arranged on the top of thin bar 21, and this thin bar 21 is located in the imbibing hole 111; And carefully bar 21 ends are formed with sealing ring 211, and sealing ring 211 is used to seal the gap between thin bar 21 and the imbibition nozzle 11, thereby make sample injector when sampling; Form air negative pressure at imbibing hole 111 places, guarantee that also blood can not enter into cavity 12 through imbibing hole 111 simultaneously; Also be arranged with the first compression spring 212 on this thin bar 21; This first compression spring 212 is arranged in cavity 12 and the upper end is resisted against thick bar 22 bottoms; This thick bar 22 is installed with in cavity 12; And offer accommodating chamber 221 in this thick bar 22, this accommodating chamber 221 specifically is positioned at the top of thick bar 22, also is formed with the through hole 222 that connects thick bar 22 from left and right directions on this thick bar 22;
This valve rod 3; Activity is located in the through hole 222 of imbibition bar 2; The one of which end can block mutually with latch 13 and join, and the other end is replaced by one second compression spring 31 then, and this second compression spring 31 is installed with in cavity 12 and is resisted against on the shell 1; Be formed with hole clipping 32 on this valve rod 3, this hole clipping 32 has first mating surface 321; Preferably, this valve rod 3 all adopts elastic material to process with latch 13, thereby makes valve rod 3 reverse mobile comparatively smooth and easy with respect to latch 13;
Preferably, the continuous sample injector 100 of this non-equivalent also comprises gland 23, and this gland 23 is fixed on imbibition bar 2 tops; Thereby play the effect that pressure handle 4 skids off in avoiding; This moment, this imbibition bar 2 was provided with fluting 24, and concrete, this fluting 24 is arranged on the sidewall of imbibition bar 2 upper ends; Should then be formed with compressing tablet 43 on the interior pressure handle 4, this compressing tablet 43 sees through fluting 24 and exposes outside shell 1.Thus, people can push compressing tablet 43 easily and make interior pressure handle 4 move downward 24 activity spaces that compressing tablet 43 is provided of this fluting; Certainly, this gland 23 also can be directly substituted by the one-body molded flange that comes out in imbibition bar 2 tops, if play keep out in pressure handle 4 and avoid it to skid off.
Like this, the utility model preferred embodiment relates to the course of work of the continuous sample injector 100 of a kind of non-equivalent and is:
When sampling; The compressing tablet 43 of pressure handle 4 in people only need pin; This interior 4 of pressure handle can drive imbibition bar 2 and move downward; This moment is because the mating reaction between interior pressure handle 4 and the valve rod 3 makes valve rod 3 and latch 13 be separated, and do not have resistance when promptly imbibition bar 2 moves down and can accomplish the step that drains inner air smoothly; Pressure handle 4 back in unclamping (is noted hindering resilience for fear of the effect of valve rod and latch; Can not be totally released this moment, and promptly it need continue to press interior pressure handle, but can not kill; Because the elastic force of the first compression spring 212 is greater than the 3rd compression spring 422; So can under the elastic force effect of the first compression spring 212, the imbibition bar risen resets), then under the effect of the 3rd compression spring 422, these hole clipping 32 first mating surfaces 321 are separated with fixture block 42 second mating surfaces 421; 3 of this valve rods reset under the effect of the second compression spring 31, promptly match with latch 13;
When application of sample; People only need pin the top of imbibition bar 2; And this imbibition bar 2 is moved downward, because the matching relationship between valve rod 3 and the latch 13, so make that resistance appear in meeting when imbibition bar 2 moved down interimly; And between twice continuous resistance, then be the once quantitative single sampling step in the continuous application of sample process of non-equivalent; Certainly, if people do not want to carry out non-equivalent application of sample, pressure handle 4 can be realized in only needing when application of sample, also to press.
More preferably, the continuous sample injector 100 of this non-equivalent also comprises active shell 5, and this active shell 5 is set in shell 1 lower end; This active shell 5 also is formed with limiting plate 51; Be formed with chute 511 and pin-and-hole 512 on this limiting plate 51, slidably be provided with fixed axis 54 on this chute 511, this fixed axis 54 is fixed on the shell 1; Be equipped with bearing pin 52 on this pin-and-hole 512, also be connected with extension spring 53 between this bearing pin 52 and the fixed axis 54.When this moment, if active shell 5 moved down under the effect of external force; Can assist removal to be enclosed within the disposable suction nozzle 200 (as shown in Figure 5) on the suction inlet; And when external force disappeared, because the elastic reaction of extension spring 53, active shell 5 will return to original position.In addition, the continuous sample injector 100 of this non-equivalent also comprises securing cover plate 14, and this securing cover plate 14 is fixed on the shell 1, and plays the effect that limits the active shell 5 activity upper limits.
Product form of the foregoing description and graphic and non-limiting the utility model and style, the those of ordinary skill of any affiliated technical field all should be regarded as not breaking away from the patent category of the utility model to its suitable variation or modification of doing.
Claims (6)
1. the continuous sample injector of non-equivalent is characterized in that, comprising:
Shell, its underpart is formed with imbibition nozzle, and top is formed with cavity, and this imbibition nozzle inside is formed with the imbibing hole that is connected with cavity, is formed with the long latch that does not wait and be arranged in order along the vertical direction of a plurality of teeth on the inwall of this cavity;
The imbibition bar; Have thin bar and the thick bar that is connected thin bar top; This thin bar is located in the imbibing hole and thin boom end is formed with the sealing ring that seals gap between thin bar and the imbibition nozzle, also is arranged with the first compression spring on this thin bar, and this first compression spring is arranged in cavity and the upper end is resisted against bottom the thick bar; This thick bar is installed with in cavity and in the thick bar and offers accommodating chamber, also is formed with the through hole that connects thick bar from left and right directions on this thick bar;
Valve rod, activity are located in the through hole of imbibition bar, and the one of which end can block mutually with latch and join; The other end is replaced by one second compression spring then; This second compression spring is installed with in cavity and is resisted against on the shell, is formed with hole clipping on this valve rod, and this hole clipping has first mating surface;
Interior pressure handle; Activity is installed with in the accommodating chamber of imbibition bar and the fixture block that has the handle body and be positioned at handle body lower end; Be formed with on this fixture block and can match with hole clipping first mating surface and change between valve rod and the latch second mating surface that card is joined relation; Should also be arranged with the 3rd compression spring on the interior pressure handle fixture block, the 3rd compression spring lower end abutment is on valve rod, and the upper end is resisted against on the handle body.
2. the continuous sample injector of a kind of non-equivalent as claimed in claim 1; It is characterized in that; The continuous sample injector of this non-equivalent also comprises the gland that is fixed on imbibition masthead portion and avoids interior pressure handle to skid off; This imbibition bar is provided with fluting, is formed with compressing tablet on the pressure handle in this, and this compressing tablet sees through fluting and exposes outside shell.
3. the continuous sample injector of a kind of non-equivalent as claimed in claim 1 is characterized in that, this first mating surface and second mating surface inclined-plane for cooperatively interacting.
4. the continuous sample injector of a kind of non-equivalent as claimed in claim 1 is characterized in that the continuous sample injector of this non-equivalent also comprises active shell; This active shell is set in the shell lower end, and this active shell also is formed with limiting plate, is formed with chute and pin-and-hole on this limiting plate; Slidably be provided with fixed axis on this chute; This fixed axis is fixed on the shell, is equipped with bearing pin on this pin-and-hole, also is connected with extension spring between this bearing pin and the chute.
5. the continuous sample injector of a kind of non-equivalent as claimed in claim 4 is characterized in that the continuous sample injector of this non-equivalent also comprises the securing cover plate that is fixed on the shell and limits the active shell activity upper limit.
6. the continuous sample injector of a kind of non-equivalent as claimed in claim 1 is characterized in that this valve rod and latch all adopt elastic material to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202446131U CN202173942U (en) | 2011-07-12 | 2011-07-12 | Non-commensurate continuous sample injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202446131U CN202173942U (en) | 2011-07-12 | 2011-07-12 | Non-commensurate continuous sample injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202173942U true CN202173942U (en) | 2012-03-28 |
Family
ID=45863852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202446131U Expired - Lifetime CN202173942U (en) | 2011-07-12 | 2011-07-12 | Non-commensurate continuous sample injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202173942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335636A (en) * | 2011-07-12 | 2012-02-01 | 英科新创(厦门)科技有限公司 | Non-equivalent continuous sample injector |
-
2011
- 2011-07-12 CN CN2011202446131U patent/CN202173942U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335636A (en) * | 2011-07-12 | 2012-02-01 | 英科新创(厦门)科技有限公司 | Non-equivalent continuous sample injector |
| CN102335636B (en) * | 2011-07-12 | 2013-07-31 | 英科新创(厦门)科技有限公司 | Non-equivalent continuous sample injector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120328 Effective date of abandoning: 20130731 |
|
| RGAV | Abandon patent right to avoid regrant |