CN216344136U - Medical one-way and two-way combination valve - Google Patents
Medical one-way and two-way combination valve Download PDFInfo
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- CN216344136U CN216344136U CN202122975209.8U CN202122975209U CN216344136U CN 216344136 U CN216344136 U CN 216344136U CN 202122975209 U CN202122975209 U CN 202122975209U CN 216344136 U CN216344136 U CN 216344136U
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Abstract
The utility model relates to the technical field of medical instruments, in particular to a medical one-way and two-way combination valve, wherein one side of a valve shell is communicated with an inlet pipe joint, one side of the valve shell, which is far away from the inlet pipe joint, is communicated with an outlet pipe joint, the inner wall of the upper end of the valve shell is fixedly connected with a two-way valve pipe, a one-way valve pipe is fixedly connected between the inner wall of the lower end of the valve shell and the two-way valve pipe, a first liquid cavity is arranged inside the valve shell and positioned among the inlet pipe joint, the two-way valve pipe and the one-way valve pipe, a second liquid cavity is arranged inside the valve shell and positioned among the outlet pipe joint, the two-way valve pipe and the one-way valve pipe, a valve core mechanism is arranged in the two-way valve pipe, and a check mechanism is arranged in the one-way valve pipe. In the utility model, the valve core mechanism and the non-return mechanism are arranged, so that the device has a one-way and two-way circulation combination function, and has the advantages of ingenious structural design, simple operation, stable liquid circulation control, high sealing property and long service life.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a medical one-way and two-way combination valve.
Background
The application of various drainage tubes is common in the modern medical treatment process, as is well known, in different treatment processes, liquid needs to flow in two directions sometimes, and the limitation is sometimes needed to enable the liquid to flow only in one direction so as to prevent the liquid from flowing backwards and cause infection.
In an improved medical one-way and two-way combination valve (patent number: CN203507313U), the one-way and two-way combination valve in the utility model has reliable operation, does not affect the flow rate of drainage liquid, has irrelevant working state and position, simple mould, convenient assembly and low cost, but has the defects of too simple structure, insufficient sealing performance, easy liquid leakage, insufficient working stability and poor effect of controlling the liquid circulation. Accordingly, one skilled in the art provides a one-way or two-way combination valve for medical treatment to solve the problems set forth in the background art described above.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a medical uni-directional/bi-directional combination valve to solve the above problems.
In order to achieve the purpose, the utility model provides the following technical scheme: a one side of the valve casing is communicated with an inlet pipe joint, one side of the valve casing, which is far away from the inlet pipe joint, is communicated with an outlet pipe joint, the inner wall of the upper end of the valve casing is fixedly connected with a two-way valve pipe, a one-way valve pipe is fixedly connected between the inner wall of the lower end of the valve casing and the two-way valve pipe, a first liquid cavity is arranged inside the valve casing and positioned among the inlet pipe joint, the two-way valve pipe and the one-way valve pipe, a second liquid cavity is arranged inside the valve casing and positioned among the outlet pipe joint, the two-way valve pipe and the one-way valve pipe, a valve core mechanism is arranged in the two-way valve pipe, and a check mechanism is arranged in the one-way valve pipe;
the valve core mechanism is including fixing the housing at the valve casing upside, the front side of housing is inserted and is established and rotate the bull stick that is connected with the violently straight setting, and the one end of bull stick runs through and extends to in the housing and fixedly connected with worm, the upside of valve casing and two-way valve pipe is inserted and is established and the commentaries on classics round pin that the rotation is connected with vertical setting, and the worm wheel that the upper end fixedly connected with and the worm meshing of commentaries on classics round pin are connected, the lower extreme of commentaries on classics round pin extends to in the two-way valve pipe and fixedly connected with ball valve core.
As a still further scheme of the utility model: the check mechanism comprises two elastic fixing ribs which are symmetrically fixed on the inner wall of the check valve pipe respectively, one ends, far away from the inner wall of the check valve pipe, of the elastic fixing ribs are fixedly connected with two diaphragms which are symmetrically arranged in an inclined mode respectively, and the ends, far away from the elastic fixing ribs, of the two diaphragms are arranged in a propping mode.
As a still further scheme of the utility model: and a hand wheel is fixedly connected to one end of the rotating rod, which is positioned outside the housing, and anti-skid grains are arranged on the outer side wall of the hand wheel.
As a still further scheme of the utility model: the inner wall of the two-way valve pipe is fixedly connected with two sealing gaskets, the two sealing gaskets are respectively positioned on two sides of the ball valve core and symmetrically arranged, and two sides of the ball valve core are respectively abutted to the two sealing gaskets.
As a still further scheme of the utility model: the inner wall of the lower end of the two-way valve pipe is rotatably connected with the lower end of the ball valve core through a rotating piece.
As a still further scheme of the utility model: fixedly connected with valve gap can be dismantled through the bolt to the front side of valve casing.
Compared with the prior art, the utility model has the beneficial effects that: when the through hole of the ball valve core is aligned and communicated with the two-way valve pipe, the two-way valve pipe is ensured to be communicated, the first liquid cavity is communicated with the second liquid cavity, so that the two-way circulation function is realized, secondly, the hand wheel is rotated to drive the rotating rod to rotate, so as to drive the worm to rotate, the worm is meshed with the worm wheel to drive the rotating pin to rotate, so as to drive the ball valve core to rotate, until the through hole of the ball valve core is staggered with the two-way valve pipe, the two-way valve pipe can be closed, at the moment, the liquid can only enter the first liquid cavity through the inlet pipe joint and flow into the one-way valve pipe, at the moment, the diaphragm is impacted by the liquid, so as to drive the elastic fixing rib to swing, the one-way valve pipe is opened, at the moment, the liquid flows into the second liquid cavity through the one-way valve pipe and then is guided out through the outlet pipe joint, when the liquid flows back, the two diaphragms are tightly adhered by the liquid impact force, so as to close the one-way valve pipe, thereby prevent the liquid backward flow, realize one-way circulation function, structural design is ingenious, easy operation, and liquid circulation control is stable, and the leakproofness is high, long service life.
Drawings
FIG. 1 is a perspective view of a combination single and double directional valve for medical treatment;
FIG. 2 is a schematic sectional front view of a medical uni-directional/bi-directional combination valve;
fig. 3 is an enlarged schematic view of a valve assembly of fig. 2 for medical treatment.
In the figure: 1. a valve housing; 2. an introducer tube fitting; 3. a lead-out pipe joint; 4. a two-way valve tube; 5. a check valve tube; 6. a first fluid chamber; 7. a housing; 8. a rotating rod; 9. a worm; 10. rotating the pin; 11. a worm gear; 12. a ball valve core; 13. elastic fixing ribs; 14. a membrane; 15. a hand wheel; 16. a sealing gasket; 17. a valve cover; 18. a second fluid chamber.
Detailed Description
Referring to fig. 1 to 3, in an embodiment of the present invention, a medical uni-directional/bi-directional combination valve includes a valve housing 1, one side of the valve housing 1 is communicated with an inlet pipe joint 2, one side of the valve housing 1 away from the inlet pipe joint 2 is communicated with an outlet pipe joint 3, an upper inner wall of the valve housing 1 is fixedly connected with a bi-directional valve pipe 4, a one-way valve pipe 5 is fixedly connected between a lower inner wall of the valve housing 1 and the bi-directional valve pipe 4, a first liquid chamber 6 is disposed inside the valve housing 1 between the inlet pipe joint 2, the bi-directional valve pipe 4, and the one-way valve pipe 5, a second liquid chamber 18 is disposed inside the valve housing 1 between the outlet pipe joint 3, the bi-directional valve pipe 4, and the one-way valve pipe 5, a valve core mechanism is disposed in the bi-directional valve pipe 4, and a check mechanism is disposed in the one-way valve pipe 5;
the valve core mechanism comprises a housing 7 fixed on the upper side of a valve housing 1, the front side of the housing 7 is inserted and rotatably connected with a rotating rod 8 which is transversely and vertically arranged, one end of the rotating rod 8 penetrates through the housing 7 and is fixedly connected with a worm 9, the upper sides of the valve housing 1 and a two-way valve tube 4 are inserted and rotatably connected with a rotating pin 10 which is vertically arranged, the upper end of the rotating pin 10 is fixedly connected with a worm wheel 11 which is meshed with the worm 9, the lower end of the rotating pin 10 extends into the two-way valve tube 4 and is fixedly connected with a ball valve core 12, when the through hole of the ball valve core 12 is aligned and communicated with the two-way valve tube 4, the two-way valve tube 4 is ensured to be directly communicated, a first liquid cavity 6 is communicated with a second liquid cavity 18, so that the two-way circulation function is realized, secondly, a hand wheel 15 is rotated to drive the rotating rod 8 to rotate, and then the worm 9 is rotated, and the worm 9 is meshed with the worm wheel 11 to further drive the rotating pin 10 to rotate, so as to drive the ball valve core 12 to rotate, until the port of the ball valve core 12 is staggered with the two-way valve pipe 4, the two-way valve pipe 4 can be closed;
in fig. 2: the non-return mechanism comprises two elastic fixing ribs 13 which are symmetrically fixed on the inner wall of the one-way valve pipe 5 respectively, one ends of the two elastic fixing ribs 13 far away from the inner wall of the one-way valve pipe 5 are fixedly connected with two obliquely and symmetrically arranged membranes 14 respectively, one ends of the two membranes 14 far away from the elastic fixing ribs 13 are abutted, liquid enters the first liquid cavity 6 from the inlet pipe connector 2 and flows into the one-way valve pipe 5, the membranes 14 are impacted by the liquid at the moment to drive the elastic fixing ribs 13 to swing, the one-way valve pipe 5 is opened, the liquid flows into the second liquid cavity 18 from the one-way valve pipe 5 at the moment and is then led out from the outlet pipe connector 3, when the liquid flows back, the two membranes 14 are tightly attached by the impact of the liquid to close the one-way valve pipe 5, so that the liquid is prevented from flowing back, and the one-way circulation function is realized;
in fig. 1: one end of the rotating rod 8 positioned outside the housing 7 is fixedly connected with a hand wheel 15, and the outer side wall of the hand wheel 15 is provided with anti-skid grains, so that the rotating rod 8 can be conveniently rotated;
in fig. 2: the inner wall of the two-way valve pipe 4 is fixedly connected with two sealing gaskets 16, the two sealing gaskets 16 are respectively and symmetrically arranged at two sides of the ball valve core 12, and two sides of the ball valve core 12 are respectively abutted against the two sealing gaskets 16, so that the sealing performance is improved, and liquid leakage is prevented;
in fig. 2: the inner wall of the lower end of the two-way valve pipe 4 is rotatably connected with the lower end of the ball valve core 12 through a rotating part, and the two-way valve pipe can play a role in supporting and stabilizing the rotation of the ball valve core 12;
in fig. 1: fixedly connected with valve gap 17, inside easy access valve casing 1 can be dismantled through the bolt to the front side of valve casing 1.
The working principle of the utility model is as follows: when the device is used for controlling drainage, firstly, when the through hole of the ball valve core 12 is aligned and communicated with the two-way valve pipe 4, the through of the two-way valve pipe 4 is ensured, the first liquid cavity 6 is communicated with the second liquid cavity 18, so that the two-way circulation function is realized, secondly, when one-way circulation is needed, the hand wheel 15 is rotated to drive the rotating rod 8 to rotate, so that the worm 9 is driven to rotate, the worm 9 is meshed with the worm wheel 11, so that the rotating pin 10 is driven to rotate, so that the ball valve core 12 is driven to rotate until the through hole of the ball valve core 12 is staggered with the two-way valve pipe 4, so that the two-way valve pipe 4 can be closed, at the moment, liquid can only enter the first liquid cavity 6 through the introduction pipe joint 2 and flow into the one-way valve pipe 5, at the moment, the diaphragm 14 is impacted by the liquid to drive the elastic fixing rib 13 to swing, the one-way valve pipe 5 is opened, at the moment, the liquid flows into the second liquid cavity 18 through the one-way valve pipe 5, and then the liquid is led out from the delivery pipe joint 3, when the liquid flows back, the two diaphragms 14 are tightly attached by the impact force of the liquid to close the check valve pipe 5, so that the liquid is prevented from flowing back, the one-way circulation function is realized, the structural design is ingenious, the operation is simple, the liquid circulation control is stable, the sealing performance is high, and the service life is long.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (6)
1. A one-way and two-way combination valve for medical treatment comprises a valve casing (1) and is characterized in that one side of the valve casing (1) is communicated with a leading-in pipe joint (2), one side of the valve casing (1) far away from the leading-in pipe joint (2) is communicated with a leading-out pipe joint (3), the upper end inner wall of the valve casing (1) is fixedly connected with a two-way valve pipe (4), a one-way valve pipe (5) is fixedly connected between the lower end inner wall of the valve casing (1) and the two-way valve pipe (4), a first liquid cavity (6) is arranged in the valve casing (1) and positioned between the leading-in pipe joint (2), the two-way valve pipe (4) and the one-way valve pipe (5), a second liquid cavity (18) is arranged in the valve casing (1), and a valve core mechanism is arranged in the two-way valve pipe (4), a check mechanism is arranged in the one-way valve pipe (5);
valve element mechanism is including fixing housing (7) at valve casing (1) upside, the front side of housing (7) is inserted and is established and rotate and be connected with bull stick (8) that violently directly set up, and the one end of bull stick (8) runs through and extend to housing (7) in and fixedly connected with worm (9), the upside of valve casing (1) and two-way valve pipe (4) is inserted and is established and rotate round pin (10) that are connected with vertical setting, and the worm wheel (11) that the upper end fixedly connected with and worm (9) meshing of round pin (10) are connected, the lower extreme of round pin (10) extends to in the two-way valve pipe (4) and fixedly connected with ball case (12).
2. The medical unidirectional/bidirectional combination valve according to claim 1, wherein the non-return mechanism comprises two elastic fixing ribs (13) symmetrically fixed on the inner wall of the one-way valve tube (5), two obliquely and symmetrically arranged diaphragms (14) are fixedly connected to one ends of the two elastic fixing ribs (13) far away from the inner wall of the one-way valve tube (5), and the ends of the two diaphragms (14) far away from the elastic fixing ribs (13) are arranged in an abutting manner.
3. The medical unidirectional/bidirectional combination valve as claimed in claim 1, wherein a hand wheel (15) is fixedly connected to one end of the rotating rod (8) on the outer side of the housing (7), and anti-slip threads are arranged on the outer side wall of the hand wheel (15).
4. The medical uni-directional and bi-directional combination valve as claimed in claim 1, wherein two sealing washers (16) are fixedly connected to the inner wall of the bi-directional valve tube (4), and the two sealing washers (16) are symmetrically arranged on two sides of the ball valve core (12), respectively, and two sides of the ball valve core (12) are arranged against the two sealing washers (16), respectively.
5. The combination valve of claim 1, wherein the inner wall of the lower end of the two-way valve tube (4) is rotatably connected with the lower end of the ball valve core (12) through a rotating piece.
6. A mono-bi directional combination valve for medical treatment according to claim 1, wherein a valve cover (17) is detachably and fixedly connected to the front side of the valve housing (1) by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122975209.8U CN216344136U (en) | 2021-11-30 | 2021-11-30 | Medical one-way and two-way combination valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122975209.8U CN216344136U (en) | 2021-11-30 | 2021-11-30 | Medical one-way and two-way combination valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216344136U true CN216344136U (en) | 2022-04-19 |
Family
ID=81155151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122975209.8U Active CN216344136U (en) | 2021-11-30 | 2021-11-30 | Medical one-way and two-way combination valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216344136U (en) |
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2021
- 2021-11-30 CN CN202122975209.8U patent/CN216344136U/en active Active
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