CN212844189U - Ruhr locking head gas tightness sample injector - Google Patents
Ruhr locking head gas tightness sample injector Download PDFInfo
- Publication number
- CN212844189U CN212844189U CN202022050398.3U CN202022050398U CN212844189U CN 212844189 U CN212844189 U CN 212844189U CN 202022050398 U CN202022050398 U CN 202022050398U CN 212844189 U CN212844189 U CN 212844189U
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- China
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- injector body
- sample injector
- luer lock
- push rod
- head gas
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Abstract
The utility model discloses a luer locking head gas tightness injector, including the injector body, the surface of injector body is provided with the scale mark, the bottom of injector body is provided with luer lock body, the outside joint of luer lock body has the protective housing, the upper end joint of injector body has the installation shell, the inboard intermediate position department movable mounting of installation shell has the push rod. The utility model discloses, through the auxiliary block of injector body outside joint, make when carrying out the long time use, increase the frictional force between the finger and the injector body outside, make then that the injector body is difficult for taking place to slide, the syringe needle is difficult for rocking, reduce patient's discomfort, through the inboard connecting block of injector body, make when using, the rotation push rod makes the fixed block joint on the surface of connecting block, thereby make the inside negative pressure of injector body keep certain, reduce the operation degree of difficulty then, beginner masters easily.
Description
Technical Field
The utility model relates to a sample injector technical field specifically is a luer locking head gas tightness sample injector.
Background
The sample injector is a device which can quantitatively send an analysis sample into a chromatographic column in a chromatographic system, the luer connector is convenient connection equipment used in the medical industry, the management of liquid and gaseous medical fluids is greatly simplified, and the luer connector can be used for switching 4 infusion bags on the premise of not plugging and unplugging infusion needles of patients. Such a fitting also allows multiple fluids that are compatible with each other to be managed using the same tubing, thereby reducing trauma to the patient.
The syringe need be gripped tightly to current luer locking head gas tightness injector when using, and the syringe slides easily when using for a long time to the syringe needle rocks, arouses patient's discomfort then, and when using for a long time, and the inside negative pressure that keeps of syringe, thereby makes the operation degree of difficulty big, and the beginner is difficult for mastering.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a luer locking head gas tightness sample injector to solve the problem of proposing in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a luer locking head gas tightness injector, includes the injector body, the surface of injector body is provided with the scale mark, the bottom of injector body is provided with luer lock body, the outside joint of luer lock body has the protective housing, the upper end joint of injector body has the installation shell, the inboard intermediate position department movable mounting of installation shell has the push rod, the upper end fixed mounting of push rod has the pushing disc, the outside fixed mounting of push rod has the fixed block, the bottom fixed mounting of push rod has the rubber buffer, the bottom of rubber buffer is provided with the hydrops district, the inboard border position department of injector body is provided with the connecting block, the outside joint of injector body has auxiliary block, the upper end of auxiliary block is provided with the snap ring, the inside of snap ring is provided with the draw-in groove.
Preferably, the bottom fixed mounting of sample injector body has the lug, and the protective housing passes through the lug joint in the outside of luer lock body.
Preferably, a through hole matched with the push rod is formed in the middle of the mounting shell.
Preferably, the inside of injector body is provided with the opening with fixed block looks adaptation, and the fixed block joint is in the upper end of connecting block.
Preferably, the outer side of the auxiliary block is provided with a groove matched with a finger.
Preferably, the clamping groove is clamped on the outer side of the mounting shell.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this luer locking head gas tightness injector through the auxiliary block of injector body outside joint for when carrying out the long time use, increase the frictional force between finger and the injector body outside, make then that the injector body is difficult for taking place to slide, the syringe needle is difficult for rocking, reduces patient's discomfort.
2. This luer locking head gas tightness injector through the inboard connecting block of injector body for when using, rotate the push rod and make the fixed block joint on the surface of connecting block, thereby make the inside negative pressure of injector body keep certain, reduce the operation degree of difficulty then, the beginner masters easily.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a front sectional view of the present invention;
fig. 3 is a top view of the push rod of the present invention;
fig. 4 is a schematic diagram of the auxiliary block structure of the present invention.
In the figure: 1. a sample injector body; 2. scale marking; 3. a luer lock body; 4. a protective shell; 5. mounting a shell; 6. a push rod; 7. pushing the disc; 8. a fixed block; 9. a rubber plug; 10. a liquid accumulation area; 11. connecting blocks; 12. an auxiliary block; 13. a snap ring; 14. a clamping groove.
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. 1-4, the present invention provides an embodiment: a luer locking head airtight sample injector comprises a sample injector body 1, wherein a convex block is fixedly installed at the bottom end of the sample injector body 1, a protective shell 4 is clamped on the outer side of a luer lock body 3 through the convex block, an opening matched with a fixed block 8 is formed in the sample injector body 1, the fixed block 8 is clamped at the upper end of a connecting block 11, a scale mark 2 is arranged on the surface of the sample injector body 1, the luer lock body 3 is arranged at the bottom end of the sample injector body 1, the protective shell 4 is clamped on the outer side of the luer lock body 3, an installation shell 5 is clamped at the upper end of the sample injector body 1, a through hole matched with a push rod 6 is formed in the middle position of the installation shell 5, the push rod 6 is movably installed at the middle position of the inner side of the installation shell 5, a push disc 7 is fixedly installed at the upper end of the push rod 6, the fixed block 8 is installed on the outer side, the bottom end of the rubber plug 9 is provided with a liquid accumulation area 10, the edge position of the inner side of the sample injector body 1 is provided with a connecting block 11, when the sample injector is used, the push rod 6 is rotated to enable the fixing block 8 to be clamped on the surface of the connecting block 11, so that the negative pressure inside the sample injector body 1 is kept constant, the operation difficulty is reduced, a beginner can easily master the sample injector, the outer side of the sample injector body 1 is clamped with an auxiliary block 12, the auxiliary block 12 is clamped on the outer side of the sample injector body 1, when the sample injector is used for a long time, the friction between a finger and the outer side of the sample injector body 1 is increased, the sample injector body 1 is not easy to slide, the needle head is not easy to shake, the discomfort of a patient is reduced, the outer side of the auxiliary block 12 is provided with a groove matched with the finger, the upper end of the auxiliary block 12 is provided with, the clamping groove 14 is clamped on the outer side of the mounting shell 5.
The working principle is as follows: when a luer locking head airtight sample injector is used, a mounting shell 5 drives a push rod 6 to be clamped inside a sample injector body 1, a protective shell 4 is separated from the outer side of the luer locking body 3 and is connected with a corresponding infusion bag, when liquid is absorbed, the left hand is tightly held on the surface of an auxiliary block 12, the friction force between fingers and the outer side of the sample injector body 1 is increased through a groove on the surface of the auxiliary block 12, then the sample injector body 1 is not easy to slide, a needle head is not easy to shake, meanwhile, the push rod 6 drives a rubber plug 9 to move upwards by pulling the right hand, so that the inside of the sample injector body 1 is in a negative pressure state, then liquid enters the inside of the sample injector body 1, when liquid is absorbed for a long time, the push rod 6 can be rotated to ensure that a fixed block 8 is clamped on the surface of a connecting block 11, so that the negative pressure inside the sample, thereby reducing the difficulty of operation.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or scope of the present invention. Accordingly, the embodiments of the present invention are exemplary, and not limiting. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a luer locking head gas tightness sample injector, includes sample injector body (1), its characterized in that: the sample injector comprises a sample injector body (1), scale marks (2) are arranged on the surface of the sample injector body (1), a luer lock body (3) is arranged at the bottom of the sample injector body (1), a protective shell (4) is clamped at the outer side of the luer lock body (3), an installation shell (5) is clamped at the upper end of the sample injector body (1), a push rod (6) is movably installed at the middle position of the inner side of the installation shell (5), a push disc (7) is fixedly installed at the upper end of the push rod (6), a fixed block (8) is fixedly installed at the outer side of the push rod (6), a rubber plug (9) is fixedly installed at the bottom end of the rubber plug (9), a liquid accumulating area (10) is arranged at the bottom end of the rubber plug (9), a connecting block (11) is arranged at the edge position of the inner side of the sample injector body (1), and an auxiliary, the upper end of auxiliary block (12) is provided with snap ring (13), the inside of snap ring (13) is provided with draw-in groove (14).
2. The luer lock head gas-tight sample injector of claim 1, wherein: the bottom fixed mounting of injector body (1) has the lug, and protective housing (4) passes through the lug joint in the outside of luer lock body (3).
3. The luer lock head gas-tight sample injector of claim 1, wherein: and a through hole matched with the push rod (6) is formed in the middle of the mounting shell (5).
4. The luer lock head gas-tight sample injector of claim 1, wherein: the inside of injector body (1) is provided with the opening with fixed block (8) looks adaptation, and fixed block (8) joint is in the upper end of connecting block (11).
5. The luer lock head gas-tight sample injector of claim 1, wherein: the outer side of the auxiliary block (12) is provided with a groove matched with a finger.
6. The luer lock head gas-tight sample injector of claim 1, wherein: the clamping groove (14) is clamped at the outer side of the mounting shell (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022050398.3U CN212844189U (en) | 2020-09-17 | 2020-09-17 | Ruhr locking head gas tightness sample injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022050398.3U CN212844189U (en) | 2020-09-17 | 2020-09-17 | Ruhr locking head gas tightness sample injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212844189U true CN212844189U (en) | 2021-03-30 |
Family
ID=75149396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022050398.3U Active CN212844189U (en) | 2020-09-17 | 2020-09-17 | Ruhr locking head gas tightness sample injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212844189U (en) |
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2020
- 2020-09-17 CN CN202022050398.3U patent/CN212844189U/en active Active
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