CN211325078U - Disposable automatic blood taking needle with positioning function - Google Patents
Disposable automatic blood taking needle with positioning function Download PDFInfo
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- CN211325078U CN211325078U CN201922261652.1U CN201922261652U CN211325078U CN 211325078 U CN211325078 U CN 211325078U CN 201922261652 U CN201922261652 U CN 201922261652U CN 211325078 U CN211325078 U CN 211325078U
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Abstract
The utility model discloses a disposable automatic blood taking needle that has locate function, including shell and guide block, the mounting groove has been seted up to the inside of shell, the bottom threaded connection of shell has the installation head, the middle part of installation head runs through there is the needle groove, wherein, the top of shell is run through there is the depression bar groove, the inside of mounting groove is provided with the installation pole, the top threaded connection of installation pole has the installation piece, the installation piece passes through the thread groove and constitutes threaded connection with the top of installation pole, one side that the installation piece is close to the depression bar groove is fixed with the depression bar, the shell has seted up the guide way near the both sides of installation pole, the guide block is fixed in one side that the installation pole is close to the guide way, the spread. This disposable automatic blood taking needle that has locate function, when the installation felting needle, removes the clamp plate, and the clamp plate drives the inside that the connecting block got into the spread groove, adsorbs the connecting block through magnet, and the installation pole of being convenient for is installed the felting needle.
Description
Technical Field
The utility model relates to a blood taking needle technical field specifically is a disposable automatic blood taking needle that has locate function.
Background
In the medical treatment process, need take a blood sample to the patient, current blood sampling device mostly takes a blood sample through the blood sampling pen, and the blood sampling pen is the hemostix of a type, uses with disposable aseptic blood sampling needle cooperation, and the supplementary blood sampling device of manual formula of launching of gathering human tip blood sample has adjustable puncture degree of depth gear device, and the area is unloaded the needle and is not unloaded needle device and several kinds of styles of transparent and opaque of nib.
Although the existing automatic blood taking needles with the positioning function have a large number of types and quantities, the existing automatic blood taking needles with the positioning function still have certain problems, and certain inconvenience is brought to the use of the automatic blood taking needles with the positioning function.
The automatic blood taking needle with the positioning function is inconvenient to install when being used, and the blood taking needle is mostly directly exposed outside during installation and is easily polluted, and after the blood taking needle is used and finished, workers are easily stabbed when the blood taking needle is recovered, so that the automatic blood taking needle is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a disposable automatic blood taking needle that has locate function to solve the present automatic blood taking needle that has locate function that the above-mentioned background art provided, inconvenient to the blood taking needle install, and the blood taking needle when the installation mostly directly exposes in the external world, receives the pollution easily, and after the blood taking needle uses the completion, stab the staff easily when retrieving the blood taking needle, the problem of inconvenient use.
In order to achieve the above object, the utility model provides a following technical scheme: a disposable automatic blood taking needle with positioning function comprises a shell and a guide block, wherein the shell is internally provided with a mounting groove, the bottom of the shell is in threaded connection with a mounting head, the middle part of the mounting head penetrates through a needle groove, wherein,
the top of the shell is penetrated with a pressure bar groove, an installation rod is arranged in the installation groove, the top of the installation rod is in threaded connection with an installation block, the installation block is in threaded connection with the top of the installation rod through a threaded groove, a pressure bar is fixed on one side, close to the pressure bar groove, of the installation block, guide grooves are formed in two sides, close to the installation rod, of the shell, the guide blocks are fixed on one side, close to the guide grooves, of the installation rod, a connecting groove is formed in the bottom of the installation rod, and a magnet is fixed on the top, close;
the internal connection of spread groove has the connecting block, and the bottom of connecting block is fixed with the clamp plate, and one side that the clamp plate is close to the needle groove is fixed with the felting needle, and the cover has the spring on the felting needle between clamp plate and the spread groove, and the outside cover that the clamp plate is close to the felting needle has the needle cover, and the needle cover groove has been seted up to one side that the clamp plate is close to the needle cover, and the clamp plate has been close to the both sides in needle cover.
Preferably, the cross section of the needle groove is isosceles trapezoid, the maximum inner diameter of the needle groove is larger than the outer diameter of the spring, the minimum inner diameter of the needle groove is smaller than the outer diameter of the spring, the inner diameter of the spring is smaller than the outer diameter of the pressure plate, and the minimum inner diameter of the needle groove is larger than the outer diameter of the needle sleeve.
Preferably, the guide block has a rectangular cross section, and the width of the guide block is matched with the width of the guide groove.
Preferably, the connecting block is made of iron, the cross section of the connecting block is rectangular, and the outer dimension of the connecting block is matched with the inner dimension of the connecting groove.
Preferably, the length of the needle sleeve is greater than the vertical distance between the pressure plate and the bottom of the needle groove.
Preferably, the clamping groove is L-shaped, the inner size of the clamping groove is matched with the outer size of the clamping block, and the clamping groove and the clamping block form a clamping structure.
Compared with the prior art, the beneficial effects of the utility model are that:
the disposable automatic blood taking needle with the positioning function has the beneficial effects that when the pricking needle is installed, the pressing plate is moved, the pressing plate drives the connecting block to enter the connecting groove, the connecting block is adsorbed by the magnet, and the pricking needle is conveniently installed by the installing rod.
The disposable automatic blood taking needle with the positioning function has the advantages that the pricking needle is installed through the installation rod, the installation head is moved to enable the pricking needle and the needle sleeve to penetrate through the spring and the needle groove, the installation head is connected with the shell in a threaded mode, the needle sleeve can completely penetrate through the needle groove, the pressing plate is abutted against the spring, then the needle sleeve is rotated to enable the needle sleeve to drive the clamping block to move out of the transverse groove of the clamping groove, the needle sleeve is detached, when the pricking needle is installed, the needle sleeve is used for protecting, and therefore the pricking needle is prevented from being polluted.
The disposable automatic blood taking needle with the positioning function has the beneficial effects that after the puncture needle is used, the needle sleeve is moved, the needle sleeve is sleeved on the puncture needle and then enters the needle sleeve groove, meanwhile, the needle sleeve drives the clamping block to enter the vertical groove of the clamping groove, then, the needle sleeve is rotated, the needle sleeve drives the clamping block to enter the transverse groove of the clamping groove, and the needle sleeve is conveniently fixed on the pressing plate through the clamping structure formed by the clamping groove and the clamping block to protect the puncture needle, so that the harm to workers is avoided when the puncture needle is recovered.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;
fig. 3 is the bottom structure diagram of the installation block of the present invention.
In the figure: 1. a housing; 2. mounting grooves; 3. a mounting head; 4. a needle groove; 5. a pressure bar groove; 6. mounting a rod; 7. mounting blocks; 8. a thread groove; 9. a pressure lever; 10. a guide groove; 11. a guide block; 12. connecting grooves; 13. a magnet; 14. connecting blocks; 15. pressing a plate; 16. a needle; 17. a spring; 18. a needle sleeve; 19. a needle sleeve groove; 20. a card slot; 21. and (7) clamping blocks.
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. 1-3, the present invention provides a technical solution: a disposable automatic blood taking needle with a positioning function comprises a shell 1, a mounting groove 2, a mounting head 3, a needle groove 4, a pressure bar groove 5, a mounting bar 6, a mounting block 7, a thread groove 8, a pressure bar 9, a guide groove 10, a guide block 11, a connecting groove 12, a magnet 13, a connecting block 14, a pressure plate 15, a puncture needle 16, a spring 17, a needle sleeve 18, a needle sleeve groove 19, a clamping groove 20 and a clamping block 21.
The mounting groove 2 is formed in the housing 1, the mounting head 3 is connected to the bottom of the housing 1 in a threaded manner, the needle groove 4 penetrates through the middle of the mounting head 3, the cross section of the needle groove 4 is isosceles trapezoid, the maximum inner diameter of the needle groove 4 is larger than the outer diameter of the spring 17, the minimum inner diameter of the needle groove 4 is smaller than the outer diameter of the spring 17, the inner diameter of the spring 17 is smaller than the outer diameter of the pressing plate 15, the minimum inner diameter of the needle groove 4 is larger than the outer diameter of the needle sleeve 18, the pressing plate 15 is elastically connected with the mounting head 3 through the spring 17, when skin needs to be punctured, the mounting rod 6 is driven to move downwards through the pressing rod 9, the mounting rod 6 drives the pressing plate 15 and the puncturing needle 16 to puncture a fingertip, the pressing plate 15 compresses the spring 17, then the puncturing needle 9 is loosened, and the spring.
The top of the shell 1 is penetrated with a pressure bar groove 5, an installation rod 6 is arranged in the installation groove 2, the top of the installation rod 6 is in threaded connection with an installation block 7, the installation block 7 is in threaded connection with the top of the installation rod 6 through a threaded groove 8, one side, close to the pressure bar groove 5, of the installation block 7 is fixed with a pressure bar 9, two sides, close to the installation rod 6, of the shell 1 are provided with guide grooves 10, guide blocks 11 are fixed on one side, close to the guide grooves 10, of the installation rod 6, the cross section of each guide block 11 is rectangular, the width of each guide block 11 is identical to that of each guide groove 10, when the installation rod 6 moves in the installation groove 2, the installation rod 6 drives the guide blocks 11 to move in the guide grooves 10, the installation rod 6 is guided by the guide blocks 11 to move, the installation rod 6 is prevented from moving to generate deviation, meanwhile, through the guide blocks 11, the installation rod 6 is prevented, the bottom of the mounting rod 6 is provided with a connecting groove 12, and a magnet 13 is fixed on the top of the mounting rod 6 close to the connecting groove 12.
The connecting groove 12 is internally connected with a connecting block 14, the connecting block 14 is made of iron material, the section of the connecting block 14 is rectangular, the external dimension of the connecting block 14 is matched with the internal dimension of the connecting groove 12, when the puncture needle 16 is installed, a pressing plate 15 is moved, the pressing plate 15 drives the connecting block 14 to enter the connecting groove 12, the connecting block 14 is attracted through a magnet 13, the installation rod 6 is convenient for installing the puncture needle 16, the pressing plate 15 is fixed at the bottom of the connecting block 14, the puncture needle 16 is fixed at one side of the pressing plate 15, which is close to the needle groove 4, a spring 17 is sleeved on the puncture needle 16 between the pressing plate 15 and the connecting groove 12, a needle sleeve 18 is sleeved at the outer side of the pressing plate 15, which is close to the puncture needle 16, the length of the needle sleeve 18 is larger than the vertical distance between the pressing plate 15 and the bottom of the, the puncture needle 16 and the needle sleeve 18 penetrate through the spring 17 and the needle groove 4, then the mounting head 3 is in threaded connection with the housing 1, the needle sleeve 18 can completely penetrate through the needle groove 4, the needle sleeve 18 is convenient to detach from the outer side of the mounting head 3, one side of the pressing plate 15, which is close to the needle sleeve 18, is provided with a needle sleeve groove 19, two sides of the pressing plate 15, which are close to the needle sleeve groove 19, are provided with clamping grooves 20, the clamping grooves 20 are L-shaped, the inner dimension of the clamping grooves 20 is matched with the outer dimension of the clamping blocks 21, and the clamping grooves 20 and the clamping blocks 21 form a clamping structure, after the puncture needle 16 is used, the needle sleeve 18 is moved, the needle sleeve 18 is sleeved on the puncture needle 16 and then enters the needle sleeve groove 19, meanwhile, the clamping blocks 21 are driven by the needle sleeve 18 to enter the vertical grooves of the clamping grooves 20, then the needle sleeve 18 is rotated, the needle sleeve 18 is conveniently fixed on the pressure plate 15 to shield the puncture needle 16 and avoid harm to workers when the puncture needle 16 is recycled, and a clamping block 21 is fixed on one side of the needle sleeve 18 close to the clamping groove 20.
The working principle is as follows: when the disposable automatic blood taking needle with the positioning function is used, firstly, the mounting head 3 is disassembled, then the pressing plate 15 is moved, the pressing plate 15 drives the connecting block 14 to enter the connecting groove 12, the connecting block 14 is adsorbed by the magnet 13, the puncture needle 16 is mounted by the mounting rod 6, then the mounting head 3 is moved, the puncture needle 16 and the needle sleeve 18 penetrate through the spring 17 and the needle groove 4, then the mounting head 3 and the shell 1 form a threaded connection, the needle sleeve 18 can completely penetrate through the inside of the needle groove 4, simultaneously the pressing plate 15 supports against the spring 17, then the needle sleeve 18 is rotated, the needle sleeve 18 drives the fixture block 21 to move out of the transverse groove of the clamping groove 20, the needle sleeve 18 is disassembled, then the pressure rod 9 is rotated, the pressure rod 9 and the mounting rod 6 generate relative movement through the mounting block 7, the mounting block 7 and the mounting rod 6 generate relative movement, the mounting block 7 supports against the top of the, the mounting block 7 drives the mounting rod 6 to move downwards, the mounting rod 6 drives the puncture needle 16 to move downwards, the initial position of the puncture needle 16 is adjusted, the puncture needle 16 is positioned, then the mounting rod 6 is driven to move downwards through the pressure lever 9, the mounting rod 6 drives the pressure plate 15 and the puncture needle 16 to puncture a fingertip, the pressure plate 15 compresses the spring 17, then the pressure lever 9 is loosened, the spring 17 drives the puncture needle 16 to retract into the needle groove 4, after the puncture needle 16 is used, the needle sleeve 18 is moved, the needle sleeve 18 is sleeved on the puncture needle 16 and then enters the needle sleeve groove 19, meanwhile, the needle sleeve 18 drives the fixture block 21 to enter the vertical groove of the fixture groove 20, then the needle sleeve 18 is rotated, the fixture block 21 is driven by the needle sleeve 18 to enter the transverse groove of the fixture groove 20, the clamping structure formed by the fixture groove 20 and the fixture block 21 is convenient for fixing the needle sleeve 18 on the pressure plate 15 to protect the puncture needle 16, those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A disposable automatic blood taking needle with a positioning function comprises a shell (1) and a guide block (11), and is characterized in that: the interior of the shell (1) is provided with a mounting groove (2), the bottom of the shell (1) is connected with a mounting head (3) in a threaded manner, the middle part of the mounting head (3) is penetrated with a needle groove (4), wherein,
a pressure bar groove (5) penetrates through the top of the shell (1), an installation rod (6) is arranged inside the installation groove (2), an installation block (7) is in threaded connection with the top of the installation rod (6) through a threaded groove (8), a pressure bar (9) is fixed on one side, close to the pressure bar groove (5), of the installation block (7), guide grooves (10) are formed in two sides, close to the installation rod (6), of the shell (1), the guide blocks (11) are fixed on one side, close to the guide grooves (10), of the installation rod (6), a connection groove (12) is formed in the bottom of the installation rod (6), and a magnet (13) is fixed on the top, close to the connection groove (12), of the installation rod (6);
the utility model discloses a needle sleeve, including connecting groove (12), spring (17), clamp plate (15), needle cover (18) have been seted up to one side that clamp plate (15) are close to needle groove (4), the cover has spring (17) on felting needle (16) between clamp plate (15) and connecting groove (12), the outside cover that clamp plate (15) are close to felting needle (16) has needle cover (18), needle cover groove (19) have been seted up to one side that clamp plate (15) are close to needle cover (18), draw-in groove (20) have been seted up to one side that clamp plate (15) are close to needle cover groove (19), one side that needle cover (18) are close to draw-in groove (20) is fixed with fixture block (21).
2. A disposable automatic blood collection needle with positioning function according to claim 1, characterized in that: the cross section of the needle groove (4) is isosceles trapezoid, the maximum inner diameter of the needle groove (4) is larger than the outer diameter of the spring (17), the minimum inner diameter of the needle groove (4) is smaller than the outer diameter of the spring (17), the inner diameter of the spring (17) is smaller than the outer diameter of the pressing plate (15), and the minimum inner diameter of the needle groove (4) is larger than the outer diameter of the needle sleeve (18).
3. A disposable automatic blood collection needle with positioning function according to claim 1, characterized in that: the section of the guide block (11) is rectangular, and the width of the guide block (11) is matched with that of the guide groove (10).
4. A disposable automatic blood collection needle with positioning function according to claim 1, characterized in that: the connecting block (14) is made of iron materials, the section of the connecting block (14) is rectangular, and the external dimension of the connecting block (14) is matched with the internal dimension of the connecting groove (12).
5. A disposable automatic blood collection needle with positioning function according to claim 1, characterized in that: the length of the needle sleeve (18) is larger than the vertical distance between the pressure plate (15) and the bottom of the needle groove (4).
6. A disposable automatic blood collection needle with positioning function according to claim 1, characterized in that: the clamping groove (20) is L-shaped, the inner size of the clamping groove (20) is matched with the outer size of the clamping block (21), and the clamping groove (20) and the clamping block (21) form a clamping structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922261652.1U CN211325078U (en) | 2019-12-13 | 2019-12-13 | Disposable automatic blood taking needle with positioning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922261652.1U CN211325078U (en) | 2019-12-13 | 2019-12-13 | Disposable automatic blood taking needle with positioning function |
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| Publication Number | Publication Date |
|---|---|
| CN211325078U true CN211325078U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922261652.1U Active CN211325078U (en) | 2019-12-13 | 2019-12-13 | Disposable automatic blood taking needle with positioning function |
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| CN (1) | CN211325078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112336421A (en) * | 2020-09-27 | 2021-02-09 | 李拓 | Ultrasonic biopsy puncture device |
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2019
- 2019-12-13 CN CN201922261652.1U patent/CN211325078U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112336421A (en) * | 2020-09-27 | 2021-02-09 | 李拓 | Ultrasonic biopsy puncture device |
| CN112336421B (en) * | 2020-09-27 | 2022-08-30 | 李拓 | Ultrasonic biopsy puncture device |
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