CN213699937U - Medical liquid extraction cylinder - Google Patents
Medical liquid extraction cylinder Download PDFInfo
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- CN213699937U CN213699937U CN202022432186.1U CN202022432186U CN213699937U CN 213699937 U CN213699937 U CN 213699937U CN 202022432186 U CN202022432186 U CN 202022432186U CN 213699937 U CN213699937 U CN 213699937U
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- cylinder
- fixedly connected
- piston rod
- piston
- medical liquid
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Abstract
The utility model discloses a medical liquid pumping cylinder, which comprises a cylinder barrel, wherein one end of the cylinder barrel is fixedly connected with a liquid pumping seat, the other end of the cylinder barrel is fixedly connected with a positioning cover, the inside of the cylinder barrel is movably connected with a piston rod, one end of the piston rod is fixedly connected with a piston, a reset spring is sleeved on the outer surface of the piston rod and between the positioning cover and one side opposite to the piston, a scale strip is fixedly connected with the outer surface of the cylinder barrel, and a hose connecting part is axially extended on the liquid pumping seat; and the piston rod can be fixed by matching with the compression spring, the plug pin and the pressing block, so that the piston rod is prevented from automatically pushing and pressing the piston under the action of the reset spring.
Description
Technical Field
The utility model relates to the technical field of medical supplies, specifically a medical liquid cylinder of taking out.
Background
Medical staff is when carrying out the chemical examination operation, and the reagent in the reagent box is taken out to special chemical examination instrument earlier usually need, among the prior art, adopts gasbag formula straw to extract reagent usually, and the defect of this kind of mode lies in the reagent dosage that can't the accurate control is extracted, for this reason the utility model provides a medical liquid jar of taking out.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a medical liquid jar of taking out to solve the problem that proposes among the above-mentioned background art.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a medical liquid cylinder of taking out, including the cylinder, the one end fixedly connected with drawing liquid seat of cylinder, the other end fixedly connected with location lid of cylinder, the inside swing joint of cylinder has the piston rod, the one end fixedly connected with piston of piston rod, the surface of piston rod just is located and is equipped with reset spring between location lid and the relative one side of piston, the outer fixed surface of cylinder is connected with the scale strip.
As an optimal technical solution of the utility model: the liquid extraction seat is provided with a hose connecting part in an axial extension way.
As an optimal technical solution of the utility model: and Y-shaped rings are arranged on the upper side and the lower side of the outer surface of the piston.
As an optimal technical solution of the utility model: and the other end of the piston rod is fixedly connected with a liquid pumping nut.
As an optimal technical solution of the utility model: the surface swing joint of location lid has the bolt, the top fixedly connected with of bolt is pressed the briquetting, the surface cover of bolt is equipped with compression spring.
As an optimal technical solution of the utility model: and a balance hole is formed in the left side of the outer surface of the cylinder barrel.
The utility model discloses the beneficial effect who reaches is: the utility model can more accurately control the reagent dosage through the cooperation between the piston rod, the scale strip return spring and the piston, and has convenient operation; and the piston rod can be fixed by matching with the compression spring, the plug pin and the pressing block, so that the piston rod is prevented from automatically pushing and pressing the piston under the action of the reset spring.
Drawings
Fig. 1 is a schematic structural view of a medical liquid-pumping cylinder.
Fig. 2 is a partially enlarged view of a portion a of the medical fluid-pumping cylinder in fig. 1.
In the figure: 1. a cylinder barrel; 2. a liquid pumping seat; 3. a positioning cover; 4. a piston rod; 5. a piston; 6. a return spring; 7. a scale bar; 8. a hose connection portion; 9. a Y-shaped ring; 10. a liquid pumping screw cap; 11. a bolt; 12. a pressing block; 13. a compression spring; 14. and (4) balancing holes.
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.
Example (b): as shown in fig. 1-2, the utility model provides a medical liquid cylinder of taking out, including cylinder 1, the one end fixedly connected with of cylinder 1 takes out liquid seat 2, and the other end fixedly connected with location lid 3 of cylinder 1, the inside swing joint of cylinder 1 have a piston rod 4, and the one end fixedly connected with piston 5 of piston rod 4, the surface of piston rod 4 just is located and is equipped with reset spring 6 between location lid 3 and the relative one side of piston 5, and the fixed surface of cylinder 1 is connected with scale strip 7.
Wherein, the liquid extraction seat 2 is provided with a hose connecting part 8 along the axial extension, which is convenient for the hose to be sleeved.
Y-shaped rings 9 are arranged on the upper side and the lower side of the outer surface of the piston 5, and the sealing performance between the piston 5 and the inner surface of the cylinder barrel 1 can be improved.
Wherein, the other end of the piston rod 4 is fixedly connected with a liquid pumping nut 10.
Wherein, the surface swing joint of location lid 3 has bolt 11, and the top fixedly connected with of bolt 11 presses down piece 12, and the surface cover of bolt 11 is equipped with compression spring 13.
Wherein, the left side of cylinder 1 surface has seted up balancing hole 14, and cooperation balancing hole 14 can guarantee that the left pressure in cylinder 1 inner chamber is in balanced state with the external world.
Specifically, the utility model discloses during the use: the hose is sleeved on the outer surface of the hose connecting portion 8, the liquid pumping screw cap 10 is pulled backwards to drive the piston rod 4 and the piston 5 to move backwards synchronously, a channel inside the hose connecting portion 8 forms negative pressure, so that reagents in the kit are sucked out, the scale strips 7 are observed at the same time to enable the reagents to absorb to corresponding positions, and the piston rod 4 can be limited by matching with the compression spring 13 and the plug pin 11 when the pressing block 12 is pressed.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (6)
1. The utility model provides a medical liquid cylinder of taking out, includes cylinder (1), its characterized in that, the one end fixedly connected with of cylinder (1) takes out liquid seat (2), the other end fixedly connected with location lid (3) of cylinder (1), the inside swing joint of cylinder (1) has piston rod (4), the one end fixedly connected with piston (5) of piston rod (4), the surface of piston rod (4) just is located and is equipped with reset spring (6) between location lid (3) and the relative one side of piston (5), the fixed surface of cylinder (1) is connected with scale strip (7).
2. A medical fluid suction cylinder according to claim 1, characterized in that the fluid suction base (2) extends axially with a hose connection (8).
3. The medical liquid suction cylinder as claimed in claim 1, wherein the upper and lower sides of the outer surface of the piston (5) are provided with Y-shaped rings (9).
4. A medical fluid-pumping cylinder as claimed in claim 1, characterized in that the other end of the piston rod (4) is fixedly connected with a fluid-pumping nut (10).
5. The medical liquid extraction cylinder as claimed in claim 1, wherein a plug (11) is movably connected to the surface of the positioning cover (3), a pressing block (12) is fixedly connected to the top of the plug (11), and a compression spring (13) is sleeved on the outer surface of the plug (11).
6. The medical liquid pumping cylinder as claimed in claim 1, wherein a balancing hole (14) is formed at the left side of the outer surface of the cylinder barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022432186.1U CN213699937U (en) | 2020-10-28 | 2020-10-28 | Medical liquid extraction cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022432186.1U CN213699937U (en) | 2020-10-28 | 2020-10-28 | Medical liquid extraction cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213699937U true CN213699937U (en) | 2021-07-16 |
Family
ID=76800524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022432186.1U Active CN213699937U (en) | 2020-10-28 | 2020-10-28 | Medical liquid extraction cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213699937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115432212A (en) * | 2022-08-15 | 2022-12-06 | 富瑞奥(东莞)实业有限公司 | Automatic extracting device for perfume split charging |
-
2020
- 2020-10-28 CN CN202022432186.1U patent/CN213699937U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115432212A (en) * | 2022-08-15 | 2022-12-06 | 富瑞奥(东莞)实业有限公司 | Automatic extracting device for perfume split charging |
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