CN217359937U - Sampling needle anti-collision device of biochemical analyzer - Google Patents
Sampling needle anti-collision device of biochemical analyzer Download PDFInfo
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- CN217359937U CN217359937U CN202220263249.1U CN202220263249U CN217359937U CN 217359937 U CN217359937 U CN 217359937U CN 202220263249 U CN202220263249 U CN 202220263249U CN 217359937 U CN217359937 U CN 217359937U
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Abstract
The utility model discloses a biochemical analyzer sample needle buffer stop, including sampling device, sampling device's outer wall fixedly connected with screw thread slider, sampling device's bottom fixed connection and intercommunication have the installation intubate, protect a section of thick bamboo in the bottom fixedly connected with of installation intubate, the inner wall of installation intubate is pegged graft and is had the sample needle, two locking mechanism spacing to the sample needle of the outer wall fixedly connected with of installation intubate. Through the first spring and the outer fender piece that set up, when the device receives the collision of horizontal direction, will be kept off by outer fender check, simultaneously by the deformation of first spring and with the energy buffering of striking, thereby reach the effect that the protection sample needle received the horizontal direction striking, the setting of second spring simultaneously, when the sample needle receives the collision of vertical direction, the second spring shrink gives the space of a buffering of sample needle, thereby reach the effect that the protection sample needle received the striking of vertical direction, thereby make the protective effect of device good.
Description
Technical Field
The utility model belongs to the technical field of biochemical analyzer, concretely relates to biochemical analyzer sample needle buffer stop.
Background
Biochemical analyzers, also commonly referred to as biochemistrists, are instruments for measuring a specific chemical component in body fluid by using a photoelectric colorimetric principle, and are widely used in hospitals, epidemic prevention stations and family planning service stations at all levels due to high measuring speed, high accuracy and small reagent consumption.
Biochemical analyzer when the sample, receives the rupture very easily or crooked when the hard object is run into to the sample needle removal in-process, lacks crashproof structure, causes the damage easily, and when changing a kind needle tubing, if misoperation can cause a kind needle tubing to damage and scrap.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a biochemical analysis appearance sampling needle buffer stop to propose current biochemical analysis appearance sampling needle in solving above-mentioned background art in the use, because the sampling needle removes and receives the rupture very easily or crooked when touchhing hard object in-process, lack crashproof structure, cause the damage easily, and when changing a kind needle tubing, if the misoperation can cause a kind needle tubing to damage and condemned problem.
In order to achieve the above object, the utility model provides a following technical scheme: biochemical analyzer sample needle buffer stop, including sampling device, sampling device's outer wall fixedly connected with screw thread slider, sampling device's bottom fixed connection and intercommunication have the installation intubate, protect a section of thick bamboo in the bottom fixedly connected with of installation intubate, the inner wall of installation intubate is pegged graft and is had the sample needle, two locking mechanism spacing to the sample needle of the outer wall fixedly connected with of installation intubate, the outer wall swing joint of interior section of thick bamboo has a plurality of evenly distributed's outer separation blade, every the outer separation blade is close to a plurality of first springs of the equal fixedly connected with of outer wall of interior section of thick bamboo, the one end that outer separation blade was kept away from to first spring and the outer wall fixed connection of interior protection section of thick bamboo.
It is specific, in the use, the screw rod connecting rod on screw slider and the biochemical analysis appearance, a lifting used for controlling the whole, sampling device is used for producing the negative pressure, make the liquid of waiting to get inhaled by sample needle department, because the setting of first spring and outer baffle, when the device receives the collision of horizontal direction, will be kept off by outer baffle check, simultaneously by the deformation of first spring and the energy buffering with the striking, thereby reach the effect that the protection sample needle received the striking, simultaneously when changing the sample needle, only need press locking mechanism, just can take out the sample needle, it is very convenient to use, also can avoid the sample needle to damage when the installation.
Preferably, the outer wall fixedly connected with outer gum cover at sampling needle top, the inner wall fixedly connected with sealed gum cover of installation intubate, the outer wall of outer gum cover and the inner wall swing joint of sealed gum cover.
Specifically, the outer rubber sleeve and the sealing rubber sleeve are in contact to play a sealing role.
Preferably, the inside of the sealing rubber sleeve is provided with a second spring, the upper end of the second spring is fixedly connected with the bottom of the sampling device, and the lower end of the second spring is movably connected with the upper end of the sampling needle.
Specifically, the setting of second spring, when the sampling probe received the collision of vertical direction, the second spring shrink gave the space of a buffering of sampling probe to reach the effect that the protection sampling probe received vertical direction striking.
Preferably, locking mechanism includes fixed block, connecting rod, dog and third spring, the one end of fixed block and the outer wall fixed connection of installation intubate, the middle part and the fixed block of connecting rod rotate to be connected, the one end and the spliced pole swing joint of connecting rod, the groove of accomodating has been seted up to the inner wall of installation intubate, the one end of third spring and the inner wall fixed connection of accomodating the groove, the other end of third spring and the outer wall fixed connection of dog, the other end that the connecting rod was kept away from to the spliced pole passes the outer wall fixed connection of installation intubate and dog, the outer wall and the installation intubate swing joint of spliced pole, the spliced pole sets up in the inside of third spring.
Specifically, after pressing the one end of connecting rod, the connecting rod rotates around the fixed block for according to lever principle, make the spliced pole taken out, dog compression third spring and shrink the inside of accomodating the groove simultaneously, make the dog no longer centre gripping sample needle, take out the sample needle this moment and can change, it is very convenient to use.
Preferably, a movable groove is formed in one end of the connecting rod, kidney-shaped holes are formed in the inner walls of the two sides of the movable groove, and one end of the connecting column is connected with the inner wall of the kidney-shaped hole in a sliding mode.
Specifically, the movable groove is arranged to facilitate the movement of the connecting column, and meanwhile, the waist-shaped hole is arranged to provide a certain movable space between the connecting column and the connecting rod, so that the connecting column and the connecting rod are connected together, and the linear motion of the connecting column and the arc motion of the connecting rod are not interfered simultaneously.
Preferably, one end of the connecting rod, which is far away from the connecting column, is fixedly connected with a cushion block.
Specifically, the connecting rod is conveniently pressed in the setting of cushion.
Preferably, the stop block is clamped with the bottom of the outer rubber sleeve.
Specifically, the dog not only goes to press from both sides tight sampling needle because the elasticity of third spring, and the dog also can block outer gum cover simultaneously, hinders dropping of sampling needle to reach the more firm effect of centre gripping.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the first spring and the outer baffle that set up, when the device received the collision of horizontal direction, will be kept off by outer baffle check, simultaneously by the deformation of first spring and with the energy buffering of striking, thereby reach the effect that protection sampling needle received the horizontal direction striking, the setting of second spring simultaneously, when sampling needle received the collision of vertical direction, the second spring shrink, give the space of a buffering of sampling needle, thereby reach the effect that protection sampling needle received the striking of vertical direction, thereby make the protective effect of device good.
2. Through the locking mechanism who sets up, press down the one end of connecting rod after, the connecting rod centers on the fixed block and rotates, according to lever principle, make the spliced pole taken out, dog compression third spring and shrink the inside of accomodating the groove simultaneously, make the dog no longer centre gripping sampling needle, take out the sampling needle this moment and can change, it is very convenient to use, the dog is not only because the elasticity of third spring removes to press from both sides tight sampling needle, the dog also can block outer gum cover simultaneously, hinder dropping of sampling needle, in order to reach the convenient effect of change sampling needle, also can avoid the sampling needle to damage when the installation.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic perspective view of the present invention in another direction;
fig. 3 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention;
FIG. 4 is a schematic sectional view of the present invention;
FIG. 5 is a schematic cross-sectional view of the insertion tube;
fig. 6 is an enlarged schematic view of the structure at B in fig. 5 according to the present invention.
In the figure: 1. a sampling device; 2. a threaded slider; 3. installing a cannula; 4. a locking mechanism; 5. an inner protective cylinder; 6. a first spring; 7. an outer baffle plate; 8. a sampling needle; 9. sealing the rubber sleeve; 10. an outer rubber sleeve; 11. a second spring; 12. a fixed block; 13. a connecting rod; 14. a waist-shaped hole; 15. a movable groove; 16. connecting columns; 17. a receiving groove; 18. a third spring; 19. a stopper; 20. and a cushion block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: biochemical analysis appearance sample needle buffer stop, including sampling device 1, sampling device 1's outer wall fixedly connected with screw thread slider 2, sampling device 1's bottom fixed connection and intercommunication have installation intubate 3, protect a section of thick bamboo 5 in the bottom fixedly connected with of installation intubate 3, the inner wall of installation intubate 3 is pegged graft and is had sample needle 8, two outer wall fixedly connected with of installation intubate 3 are to the spacing locking mechanism 4 of sample needle 8, the outer wall swing joint that protects a section of thick bamboo 5 in has a plurality of evenly distributed's outer separation blade 7, the equal fixedly connected with of outer wall of a section of thick bamboo 5 in every outer separation blade 7 is close to, a plurality of first springs 6 of outer separation blade 7's one end and interior protection section of thick bamboo 5's outer wall fixed connection are kept away from to first spring 6.
In this embodiment, during the use, the screw rod connecting rod on threaded sliding block 2 and the biochemical analyzer, be used for controlling holistic lift, sampling device 1 is used for producing the negative pressure, make the liquid of waiting to get sucked by sampling needle 8 departments, because the setting of first spring 6 and outer barrier 7, when the device receives the collision of horizontal direction, will be kept off by outer barrier 7 check, simultaneously by the deformation of first spring 6 and with the energy buffering of striking, thereby reach the effect that protection sampling needle 8 received the striking, simultaneously when changing sampling needle 8, only need press locking mechanism 4, just can take out sampling needle 8, it is very convenient to use, also can avoid sampling needle 8 when the installation to damage.
Wherein, the outer wall fixedly connected with of the 8 tops of sample needle is outer gum cover 10, and the inner wall fixedly connected with of installation intubate 3 seals gum cover 9, the outer wall of outer gum cover 10 and the inner wall swing joint of sealing gum cover 9.
In this embodiment, the contact between the outer rubber sleeve 10 and the sealing rubber sleeve 9 plays a role of sealing.
Wherein, the inside of sealed gum cover 9 is provided with second spring 11, and second spring 11 upper end and sampling device 1's bottom fixed connection, the lower extreme of second spring 11 and the upper end swing joint of sampling needle 8.
In this embodiment, the setting of second spring 11, when sampling needle 8 received the collision of vertical direction, second spring 11 shrink gave sampling needle 8 a space of buffering to reach the effect that protection sampling needle 8 received the vertical direction striking.
Wherein, locking mechanism 4 includes fixed block 12, connecting rod 13, dog 19 and third spring 18, the one end of fixed block 12 and the outer wall fixed connection of installation intubate 3, the middle part and the fixed block 12 of connecting rod 13 rotate to be connected, the one end and the spliced pole 16 swing joint of connecting rod 13, the inner wall of installation intubate 3 has been seted up and has been accomodate groove 17, the one end of third spring 18 and the inner wall fixed connection who accomodates groove 17, the other end of third spring 18 and the outer wall fixed connection of dog 19, the other end that connecting rod 13 was kept away from to spliced pole 16 passes the outer wall fixed connection of installation intubate 3 with dog 19, the outer wall and the installation intubate 3 swing joint of spliced pole 16, spliced pole 16 sets up in the inside of third spring 18.
In this embodiment, after pressing the one end of connecting rod 13, connecting rod 13 rotates around fixed block 12 for connecting post 16 is taken out according to lever principle, and dog 19 compresses third spring 18 and contracts to the inside of accomodating groove 17 simultaneously, makes dog 19 no longer centre gripping sampling needle 8, takes sampling needle 8 out this moment and can change, and it is very convenient to use.
Wherein, the one end of connecting rod 13 has seted up movable groove 15, and the inner wall of movable groove 15 both sides has seted up waist shape hole 14, and the one end of spliced pole 16 and the inner wall sliding connection in waist shape hole 14.
In this embodiment, the movable slot 15 is provided to facilitate the movement of the connecting column 16, and the waist-shaped hole 14 provides a certain movable space between the connecting column 16 and the connecting rod 13, so that the connecting column 16 and the connecting rod 13 are connected together without interfering with the linear motion of the connecting column 16 and the arc motion of the connecting rod 13.
Wherein, a cushion block 20 is fixedly connected to one end of the connecting rod 13 far away from the connecting column 16.
In this embodiment, the setting of cushion 20 conveniently presses connecting rod 13.
Wherein, the stop block 19 is clamped with the bottom of the outer rubber sleeve 10.
In this embodiment, the stopper 19 not only clamps the sampling needle 8 due to the elastic force of the third spring 18, but also blocks the outer rubber sleeve 10 to block the falling of the sampling needle 8, so as to achieve the effect of more stable clamping.
The utility model discloses a theory of operation and use flow: when the sampling device is used, the threaded slide block 2 and the screw rod connecting rod on the biochemical analyzer are used for controlling the whole lifting, the sampling device 1 is used for generating negative pressure, so that liquid to be taken is sucked from the sampling needle 8, due to the arrangement of the first spring 6 and the outer baffle 7, when the device is collided in the horizontal direction, the outer baffle 7 is used for blocking, and meanwhile, the energy of collision is buffered by the deformation of the first spring 6, so that the effect of protecting the sampling needle 8 from collision is achieved, meanwhile, when the sampling needle 8 is replaced, only one end of the connecting rod 13 needs to be pressed, the connecting rod 13 rotates around the fixed block 12, according to the lever principle, the connecting rod 16 is pulled out, meanwhile, the baffle 19 compresses the third spring 18 and contracts into the accommodating groove 17, so that the baffle 19 does not clamp the sampling needle 8 any more, the sampling needle 8 can be replaced by pulling out at the moment, and the use is very convenient, the stop block 19 not only clamps the sampling needle 8 due to the elastic force of the third spring 18, but also blocks the outer rubber sleeve 10 due to the stop block 19, so that the sampling needle 8 is prevented from dropping, the use is very convenient, and the damage of the sampling needle 8 during the installation can be avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Biochemical analysis appearance sample needle buffer stop, including sampling device (1), its characterized in that: the outer wall fixedly connected with screw slider (2) of sampling device (1), the bottom fixed connection and the intercommunication of sampling device (1) have installation intubate (3), protect a section of thick bamboo (5) in the bottom fixedly connected with of installation intubate (3), the inner wall of installation intubate (3) is pegged graft and is had sample needle (8), two outer wall fixedly connected with of installation intubate (3) are to spacing locking mechanism (4) of sample needle (8), the outer wall swing joint of interior fender section of thick bamboo (5) has a plurality of evenly distributed's outer separation blade (7), every outer separation blade (7) are close to the equal fixedly connected with a plurality of first springs (6) of outer wall of interior fender section of thick bamboo (5), the one end that outer separation blade (7) were kept away from in first spring (6) and the outer wall fixed connection of interior fender section of thick bamboo (5).
2. The anti-collision device for the sampling needle of the biochemical analyzer according to claim 1, wherein: the outer wall fixedly connected with outer gum cover (10) at sample needle (8) top, the inner wall fixedly connected with sealing gum cover (9) of installation intubate (3), the outer wall of outer gum cover (10) and the inner wall swing joint of sealing gum cover (9).
3. The anti-collision device for the sampling needle of the biochemical analyzer according to claim 2, wherein: the inside of sealed gum cover (9) is provided with second spring (11), the bottom fixed connection of second spring (11) upper end and sampling device (1), the lower extreme of second spring (11) and the upper end swing joint of sample needle (8).
4. The anti-collision device for the sampling needle of the biochemical analyzer according to claim 2, wherein: the locking mechanism (4) comprises a fixed block (12), a connecting rod (13), a stop block (19) and a third spring (18), one end of the fixing block (12) is fixedly connected with the outer wall of the installation cannula (3), the middle part of the connecting rod (13) is rotatably connected with the fixed block (12), one end of the connecting rod (13) is movably connected with the connecting column (16), the inner wall of the installation inserting pipe (3) is provided with a containing groove (17), one end of the third spring (18) is fixedly connected with the inner wall of the containing groove (17), the other end of the third spring (18) is fixedly connected with the outer wall of the stop block (19), the other end of the connecting column (16) far away from the connecting rod (13) passes through the mounting insertion tube (3) and is fixedly connected with the outer wall of the stop block (19), the outer wall of the connecting column (16) is movably connected with the installation insertion tube (3), and the connecting column (16) is arranged inside the third spring (18).
5. The anti-collision device for the sampling needle of the biochemical analyzer according to claim 4, wherein: movable groove (15) have been seted up to the one end of connecting rod (13), waist shape hole (14) have been seted up to the inner wall of movable groove (15) both sides, the one end of spliced pole (16) and the inner wall sliding connection in waist shape hole (14).
6. The anti-collision device for the sampling needle of the biochemical analyzer according to claim 4, wherein: and one end of the connecting rod (13) far away from the connecting column (16) is fixedly connected with a cushion block (20).
7. The anti-collision device for the sampling needle of the biochemical analyzer according to claim 4, wherein: the stop block (19) is clamped with the bottom of the outer rubber sleeve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220263249.1U CN217359937U (en) | 2022-02-09 | 2022-02-09 | Sampling needle anti-collision device of biochemical analyzer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220263249.1U CN217359937U (en) | 2022-02-09 | 2022-02-09 | Sampling needle anti-collision device of biochemical analyzer |
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| CN217359937U true CN217359937U (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220263249.1U Active CN217359937U (en) | 2022-02-09 | 2022-02-09 | Sampling needle anti-collision device of biochemical analyzer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115436106A (en) * | 2022-09-19 | 2022-12-06 | 南京颐兰贝生物科技有限责任公司 | Sampling needle anti-collision device for biochemical analyzer and anti-collision method thereof |
-
2022
- 2022-02-09 CN CN202220263249.1U patent/CN217359937U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115436106A (en) * | 2022-09-19 | 2022-12-06 | 南京颐兰贝生物科技有限责任公司 | Sampling needle anti-collision device for biochemical analyzer and anti-collision method thereof |
| CN115436106B (en) * | 2022-09-19 | 2023-11-14 | 南京颐兰贝生物科技有限责任公司 | Sampling needle anti-collision device for biochemical analyzer and anti-collision method thereof |
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