Medical diaphragm pressure valve and connector thereof

Abstract

A medical diaphragm pressure valve and a connector thereof. The connector (2, 3) comprises a body, wherein a liquid pipe is provided in the body, a movable disc (22, 32) is provided at one end of the body, the disc (22, 32) is configured to open and close an inlet / outlet port of the medical diaphragm pressure valve, and an overflow groove (321) is provided at one end of the disc (32) facing the connector (2, 3). The connector (2, 3) is arranged at an inlet / outlet port of a piston chamber (11) of the medical diaphragm pressure valve. In this structure, the movable disc (22, 32) is used to replace steel balls and other components to control the opening and closing of the piston chamber (11), so that the connector has reduced weight, and is also firmly fixed, is less prone to experiencing eccentricity, and is stable during operation, thereby ensuring the working efficiency of the medical diaphragm pressure valve.

Description

Medical diaphragm pressure valve and its connector TECHNICAL FIELD

[0001] The present application relates to the technical field of medical water jet device, in particular to a medical diaphragm pressure valve and its connector. BACKGROUND

[0002] In the prior art, some surgical instruments for forming liquid jet impact the surgical site at high speed to clean and cut the tissue, and these liquid jet surgical instruments usually include a device for pressurizing liquid and a pressure pipeline, and a pipeline for recovering liquid. At present, the existing medical pressurizing device has a reversing cycle due to the movement of the piston, and the pressure formed by the output flow also forms periodic fluctuations. At the same time, the output efficiency of the pressurizing device determines the upper limit of the pressure. The gap between the core structural components of the existing pressurizing reversing valve and the positioning device is large, which is easy to produce eccentricity under the action of gravity, and the stress is unbalanced, which has a great influence on the efficiency of the pressurizing device. Another one uses a steel ball as the valve core, which has the problem of too large mass, resulting in low efficiency of the pressurizing device.

[0003] SUMMARY

[0004] The purpose of the present application is to provide a medical diaphragm pressure valve and its connector, which is firmly fixed, and the components thereon are stable and reliable, and are not easy to produce eccentricity, and the work is stable, which ensures the production efficiency of the whole pressurizing device.

[0005] In order to achieve the above purpose, the present application provides a connector of a medical diaphragm pressure valve, which comprises:

[0006] A body is provided with a liquid pipeline in the body, and one end of the body is provided with a movable disc, which is used to open and close the inlet and outlet of the medical diaphragm pressure valve, and the disc is provided with an overflow groove towards one end of the connector.

[0007] Compared with the prior art, the connector of the medical diaphragm pressure valve of the embodiment of the present application has the beneficial effects that the connector is arranged at the inlet and outlet of the piston chamber of the medical diaphragm pressure valve, and the movable disc is used to replace the steel ball and other components to control the opening and closing of the piston chamber, which not only reduces the weight of the disc, but also is firmly fixed and not easy to produce eccentricity, and the work is stable, which ensures the working efficiency of the medical diaphragm pressure valve.

[0008] The joint of the medical diaphragm pressure valve of the embodiment of the application further comprises a liquid inlet joint arranged in the liquid inlet chamber of the medical diaphragm pressure valve and a liquid outlet joint arranged in the liquid outlet chamber of the medical diaphragm pressure valve, the liquid inlet joint is internally provided with a liquid inlet pipeline, one side of the liquid inlet joint is provided with a movable liquid inlet disc, the liquid outlet joint is internally provided with a liquid outlet pipeline, one side of the liquid outlet joint is provided with a movable liquid outlet disc, the liquid inlet disc is provided with a first overflow groove at one end of the outlet of the liquid inlet chamber, and the liquid outlet disc is provided with a second overflow groove at one end of the liquid outlet joint.

[0009] The application provides a medical diaphragm pressure valve, which comprises:

[0010] a housing, a piston chamber, a liquid inlet chamber and a liquid outlet chamber are formed in the housing, the piston chamber is respectively communicated with the liquid outlet chamber and the liquid inlet chamber;

[0011] the liquid outlet joint is arranged in the liquid outlet chamber, the liquid outlet joint seals one end of the liquid outlet chamber away from the piston chamber, the liquid inlet joint is arranged in the liquid inlet chamber, the liquid inlet joint seals one end of the liquid inlet chamber away from the piston chamber, and the piston in the piston chamber moves and drives the liquid inlet disc and the liquid outlet disc to move.

[0012] Compared with the prior art, the medical diaphragm pressure valve of the embodiment of the application has the beneficial effects that the housing is formed with a piston chamber, a piston is arranged in the piston chamber to reciprocate, the piston chamber is communicated with a liquid outlet chamber, and the reciprocation of the piston can discharge liquid in the piston chamber from the liquid outlet chamber; the liquid outlet joint is arranged in the liquid outlet chamber, the liquid outlet joint is internally provided with a liquid outlet pipeline, one end of the liquid outlet joint towards the piston chamber is provided with a liquid outlet disc, and a second overflow groove is arranged between the liquid outlet joint and the liquid outlet disc; when liquid is discharged, the piston moves towards the liquid outlet chamber, an outward thrust is formed in the piston chamber, the liquid outlet disc is driven to slide away from the inner wall, at this time, the second overflow groove on the liquid outlet chamber can be used for liquid to pass through, so that the liquid can enter the liquid outlet pipeline from the liquid outlet chamber, and the discharge of the liquid is completed. The medical diaphragm pressure valve of the application is closed and arranged, is fixed firmly, the liquid outlet disc which is slidably fixed in the liquid outlet joint is also stable and reliable, is not easy to be eccentric during work, and the production efficiency of the whole pressurizing device is ensured.

[0013] The medical diaphragm pressure valve of the embodiment of the application, one end of the liquid inlet joint towards the piston chamber is arranged as a stepped first end face and a second end face, the liquid inlet disc comprises a main body and a first abutting portion extending towards the first end face of the liquid inlet joint, and the main body abuts against the second end face to seal the liquid inlet channel when liquid is discharged.

[0014] The medical diaphragm pressure valve of the embodiment of the present application, the first support part is arranged on one side end face of the liquid inlet disc towards the piston chamber, the first overflow groove is arranged on the first support part, the first support part is abutted on the inner wall of the liquid inlet chamber close to the piston chamber when liquid is inlet, and the liquid flows into the piston chamber through the first overflow groove.

[0015] The medical diaphragm pressure valve of the embodiment of the present application, one end of the liquid outlet connector towards the piston chamber is arranged as a stepped third end face and a fourth end face, the liquid outlet disc comprises a second main body and a second abutment part extending towards the fourth end face, the length of the second abutment part is greater than the distance between the third end face and the fourth end face in the length direction of the liquid outlet connector, and the second abutment part and the fourth end face form the second overflow groove when liquid is outlet.

[0016] The medical diaphragm pressure valve of the embodiment of the present application, the second annular sealing ring is arranged on one side end face of the liquid outlet disc towards the piston chamber, the second annular sealing ring is abutted on the inner wall of the liquid outlet chamber close to the piston chamber to close the liquid outlet chamber when liquid is inlet.

[0017] The medical diaphragm pressure valve of the embodiment of the present application, the edges of the liquid outlet disc and the liquid inlet disc are arranged to be inclined, and the included angle between the edges of the liquid outlet disc and the liquid inlet disc and the wall surface abutted thereon is in the range of 0-90°.

[0018] The medical diaphragm pressure valve of the embodiment of the present application, a plurality of first overflow grooves are arranged, and the sum of the cross-sectional areas through which the liquid flows in the plurality of first overflow grooves is greater than or equal to the axial cross-sectional area of the liquid inlet pipeline.

[0019] The medical diaphragm pressure valve of the embodiment of the present application, a plurality of second overflow grooves are arranged, and the sum of the cross-sectional areas through which the liquid flows in the plurality of second overflow grooves is greater than or equal to the axial cross-sectional area of the liquid outlet pipeline.

[0020] Additional aspects and advantages of the present application will be made apparent from the following description. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 is a structural schematic view of the medical diaphragm pressure valve of the embodiment of the present application when liquid is inlet;

[0022] Fig. 2 is a schematic view of A in Fig. 1;

[0023] Fig. 3 is a structural schematic view of the medical diaphragm pressure valve of the embodiment of the present application when liquid is outlet;

[0024] Fig. 4 is a schematic view of B in Fig. 2;

[0025] FIG. 5 is a structural diagram of an inlet disc of a medical diaphragm pressure valve according to an embodiment of the present application;

[0026] FIG. 6 is a structural diagram of an outlet disc of a medical diaphragm pressure valve according to an embodiment of the present application;

[0027] In the drawings: 1, housing; 11, piston chamber; 12, inlet chamber; 13, outlet chamber; 2, inlet connector; 21, inlet pipeline; 22, inlet disc; 221, first overflow groove; 222, first main body; 223, first abutting portion; 224, first supporting portion; 23, first end face; 24, second end face; 3, outlet connector; 31, outlet pipeline; 32, outlet disc; 321, second overflow groove; 322, second main body; 323, second abutting portion; 324, second annular sealing ring; 33, third end face; 34, fourth end face. DETAILED DESCRIPTION

[0028] Embodiments of the present application are described in detail below with reference to the attached drawings, which show by way of example, embodiments in which like numerals indicate like elements or elements having the same or similar function throughout the several views. The embodiments described below are exemplary only, and are not to be construed as limiting the present application.

[0029] In the description of the present application, if the orientation description, such as up, down, front, back, left, right, etc. is involved, the orientation or position relationship shown in the drawings is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0030] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, and above, below, etc. are understood as including the number. If it is described as first, second, etc., it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of technical features indicated.

[0031] In the description of the present application, unless otherwise explicitly limited, the words such as setting, mounting, connecting, etc. should be broadly understood, and those skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0032] As shown in FIG. 5 and FIG. 6, a joint of a medical diaphragm pressure valve according to the preferred embodiment of the present application comprises a body, a liquid conduit is arranged in the body, a movable disc is arranged at one end of the body, the disc is used to open and close the inlet and outlet of the medical diaphragm pressure valve, and an overflow groove is arranged at the end of the joint facing the disc. The joint is arranged at the inlet and outlet of the piston chamber of the medical diaphragm pressure valve, and the movable disc is used to replace the steel ball and other components to control the opening and closing of the piston chamber, thereby reducing the weight of the joint, firmly fixing the joint, preventing the joint from being eccentric, stabilizing the operation of the joint, and ensuring the working efficiency of the medical diaphragm pressure valve.

[0033] It can be understood that the overflow groove can be arranged in the shape of a window to facilitate mold production and processing, or in the shape of a long slot to facilitate the flow of liquid, and the specific form is not limited herein.

[0034] In some embodiments of the present application, a liquid inlet joint arranged at the liquid inlet chamber of the medical diaphragm pressure valve and a liquid outlet joint arranged at the liquid outlet chamber of the medical diaphragm pressure valve are further included, a liquid inlet conduit is arranged in the liquid inlet joint, a movable liquid inlet disc is arranged at one side of the liquid inlet joint, a liquid outlet conduit is arranged in the liquid outlet joint, and a movable liquid outlet disc is arranged at one side of the liquid outlet joint, a first overflow groove is arranged at the end of the liquid inlet disc facing the outlet of the liquid inlet chamber, and a second overflow groove is arranged at the end of the liquid outlet disc facing the liquid outlet joint.

[0035] As shown in FIG. 1 and FIG. 3, a medical diaphragm pressure valve according to the preferred embodiment of the present application comprises a shell 1, a liquid inlet joint 2, and a liquid outlet joint 3, three chambers are formed in the shell 1, which are a piston chamber 11, a liquid inlet chamber 12, and a liquid outlet chamber 13, the piston chamber 11 is connected to the liquid inlet chamber 12 and the liquid outlet chamber 13, the piston chamber 11 is used to accommodate a piston and allow the piston to move back and forth in the piston chamber 11, the liquid inlet chamber 12 is used to accommodate the liquid inlet joint 2, and the liquid outlet chamber 13 is used to accommodate the liquid outlet joint 3, during operation, the liquid enters the piston chamber 11 from the liquid inlet chamber 12 during the reciprocating movement of the piston, and then enters the liquid outlet chamber 13 from the piston chamber 11.

[0036] As shown in FIG. 1 and FIG. 2, the liquid inlet joint 2 is arranged in the liquid inlet chamber 12 and closes the end of the liquid inlet chamber 12 away from the piston chamber 11, the liquid inlet joint 2 is provided with a liquid inlet pipe 21, both ends of the liquid inlet pipe 21 are connected to the liquid inlet chamber 12 and the external liquid supply mechanism respectively, so that the liquid that needs to be pressurized can only enter the liquid inlet chamber 12 through the liquid inlet pipe 21; the end of the liquid inlet joint 2 facing the piston chamber 11 is slidingly provided with a liquid inlet disc 22, the liquid inlet disc 22 can move along the length direction of the liquid inlet joint 2 with the movement of the piston in the piston chamber 11, the end of the liquid inlet disc 22 facing the piston chamber 11 is provided with a first overflow groove 221, when the piston moves away from the liquid inlet chamber 12, the liquid inlet disc 22 will abut against the inner wall of the side of the liquid inlet chamber 12 close to the piston chamber 11, at this time, the first overflow groove 221 makes the liquid inlet disc 22 unable to close the passage between the liquid inlet chamber 12 and the piston chamber 11, and the liquid can enter the piston chamber 11 through the first overflow groove 221.

[0037] As shown in FIG. 3 and FIG. 4, the liquid outlet joint 3 is arranged in the liquid outlet chamber 13 and closes the end of the liquid outlet chamber 13 away from the piston chamber 11, the liquid outlet joint 3 is provided with a liquid outlet pipe 31, both ends of the liquid outlet pipe 31 are connected to the liquid outlet chamber 13 and the external mechanism that needs to be supplied with liquid respectively, the liquid entering the liquid outlet chamber 13 can only be supplied to the outside through the liquid outlet pipe 31, the end of the liquid outlet joint 3 facing the piston chamber 11 is slidingly provided with a liquid outlet disc 32, the end of the liquid outlet disc 32 facing the liquid outlet joint 3 is provided with a second overflow groove 321, when the piston moves in the piston chamber 11 towards the liquid outlet chamber 13, the liquid outlet disc 32 will be pressed towards the inlet of the liquid outlet pipe 31, but the existence of the second overflow groove 321 makes the inlet of the liquid outlet pipe 31 not completely closed by the liquid outlet disc 32, and the liquid pressed into the liquid outlet chamber 13 can enter the liquid outlet pipe 31 through the second overflow groove 321.

[0038] As shown in FIG. 1-4, in operation, when the piston moves away from the liquid inlet chamber 12 and the liquid outlet chamber 13, a negative pressure is formed in the piston chamber 11, which drives the liquid outlet disc 32 and the liquid inlet disc 22 to slide against the inner wall of the liquid inlet chamber 12 and the liquid outlet chamber 13 near the piston chamber 11, the liquid outlet disc 32 closes the liquid outlet chamber 13, the first overflow groove 221 on the liquid inlet chamber 12 allows the liquid to pass through, so that the liquid enters the piston chamber 11 from the liquid inlet chamber 12; when the piston moves towards the liquid inlet chamber 12 and the liquid outlet chamber 13, an outward thrust is formed in the piston chamber 11, which drives the liquid outlet disc 32 and the liquid inlet disc 22 to slide away from the inner wall, the liquid inlet disc 22 closes the liquid inlet channel 21 at this time, the second overflow groove 321 on the liquid outlet chamber 13 allows the liquid to pass through, so that the liquid enters the liquid outlet channel 31 from the liquid outlet chamber 13, and the liquid is discharged. The medical diaphragm type pressure valve of the present application is closed and arranged in the liquid inlet connector 2 and the liquid outlet connector 3, which is fixed firmly, and the liquid inlet disc 22 and the liquid outlet disc 32 which are slidably fixed in the liquid inlet connector 2 and the liquid outlet connector 3 are also stable and reliable, and are not easy to deviate during operation, which ensures the production efficiency of the whole pressurizing device.

[0039] As shown in FIG. 3 and FIG. 5, in some embodiments of the present application, the end of the liquid inlet connector 2 towards the piston chamber 11 is arranged as a stepped first end face 23 and a second end face 24, the second end face 24 is closer to the piston chamber 11 than the first end face 23, the liquid inlet disc 22 comprises a first main body 222 and a first abutting part 223 extending towards the first end face 23 of the liquid inlet connector 2, the length of the first abutting part 223 is equal to the distance between the first end face 23 and the second end face 24 in the length direction of the liquid inlet connector 2, when the piston chamber 11 discharges liquid, the piston pushes the liquid to press the liquid inlet disc 22 towards the liquid inlet connector 2, at this time, the first main body 222 abuts against the second end face 24 to close the liquid inlet channel, at this time, the liquid inlet disc 22 completely closes the opening of the liquid inlet channel, so that the liquid cannot flow back, which ensures the correct and reliable flow direction of the liquid.

[0040] As shown in FIG. 3 and FIG. 5, in some embodiments of the present application, the side end face of the liquid inlet disc 22 towards the piston chamber 11 is provided with a first supporting part 224, the first supporting part 224 protrudes from the end face, and the first overflow groove 221 is arranged on the first supporting part 224, specifically in the form of a notch of the first supporting part 224. When the piston moves away from the liquid inlet chamber 12, a negative pressure is formed in the piston chamber 11, which sucks the liquid inlet disc 22 to abut against the inner wall of the liquid inlet chamber 12 near the piston chamber 11, at this time, the first supporting part 224 abuts against the inner wall of the liquid inlet chamber 12 near the piston chamber 11, but since there is the first overflow groove 221 as a notch, the liquid can flow into the piston chamber 11 through the first overflow groove 221, and the liquid inlet process of the piston chamber 11 is completed. Further, the first overflow groove 221 can be provided with a plurality of first overflow grooves, which jointly inlet liquid to ensure the smoothness of the liquid inlet channel.

[0041] As shown in FIG. 4 and FIG. 6, in some embodiments of the present application, the liquid outlet joint 3 is provided with a stepped third end surface 33 and a fourth end surface 34 towards one end of the piston chamber 11, the fourth end surface 34 is closer to the piston chamber 11 than the third end surface 33, the liquid outlet disc 32 comprises a second body 322 and a second abutting portion 323 extending towards the fourth end surface 34, the length of the second abutting portion 323 is greater than the distance between the third end surface 33 and the fourth end surface 34 in the length direction of the liquid outlet joint 3, and a long groove is further provided in the length direction of the second abutting portion 323, during liquid outlet, the piston pushes the liquid into the liquid outlet chamber 13, and the liquid outlet disc 32 is pressed towards the liquid inlet joint 2, at this time, the second body 322 abuts against the fourth end surface 34, but since the length of the second abutting portion 323 is greater than the distance between the third end surface 33 and the fourth end surface 34 in the length direction of the liquid outlet joint 3, when the end of the second abutting portion 323 abuts against the fourth end surface 324, the bottom end surface of the second body 322 has not yet abutted against the third end surface 33, thus the long groove on the second abutting portion 323 and the third end surface 33 and the bottom end surface of the second body 322 form a second overflow groove 321, and the liquid enters the liquid outlet pipeline 31 inside the liquid outlet joint 3 from the second overflow groove 321, completing the liquid outlet of the piston chamber 11.

[0042] As shown in FIG. 4 and FIG. 6, in some embodiments of the present application, the liquid outlet disc 32 is provided with a second annular sealing ring 324 on the side end surface towards the piston chamber 11, during liquid inlet, the second annular sealing ring 324 abuts against the inner wall of the liquid outlet chamber 13 close to the piston chamber 11 to close the liquid outlet chamber 13. During liquid inlet, the piston moves away from the liquid outlet chamber 13, a negative pressure is generated in the piston chamber 11, and the liquid outlet disc 32 is sucked to abut against the inner wall of the liquid outlet chamber 13 close to the piston chamber 11, at this time, the second annular sealing ring 324 completely closes the liquid outlet chamber 13, preventing the liquid in the liquid outlet pipeline 31 and the liquid outlet chamber 13 from being sucked into the piston chamber 11.

[0043] As shown in FIG. 3, in some embodiments of the present application, the thickness of the liquid outlet disc 32 is L1, and the thickness of the liquid inlet disc 22 is L2, the range of L1 and L2 is 0.01-100mm, and the thickness range of the liquid outlet disc 32 and the liquid inlet disc 22 is suitable for medical pressure valves of various sizes, and can supply liquid to water jets of various sizes. Preferably, the values of L1 and L2 can be 0.1mm, 0.5mm, 1mm, 5mm, 8mm, etc., which can be measured by a vernier caliper or an electronic distance meter, etc.

[0044] As shown in FIG. 3, in some embodiments of the present application, the edges of the liquid inlet disc 22 and the liquid outlet disc 32 are chamfered, and the edges of the liquid outlet disc 32 and the liquid inlet disc 22 are inclined towards the side of the liquid outlet joint 3 and the liquid inlet joint 2, so as to improve the strength of the liquid outlet disc 32 and the liquid inlet disc 22. The included angle between the edges of the liquid outlet disc 32 and the liquid inlet disc 22 and the wall surface abutting therewith is set to a and b, and the value ranges of a and b are both 0-90°. Preferably, the value of a and b can be 30°, 45°, 60°, etc.

[0045] As shown in FIG. 5, in some embodiments of the present application, the first overflow groove 221 is provided with a plurality of first overflow grooves 221, and the sum of the cross-sectional areas of the liquid flowing through the plurality of first overflow grooves 221 is greater than or equal to the axial cross-sectional area of the liquid inlet pipeline 21. At this time, the liquid can stably flow into the piston chamber 11 through the first overflow groove 221. If the cross-sectional area of the liquid flowing through the first overflow groove 221 is less than the axial cross-sectional area of the liquid inlet pipeline 21, the water flow will be too fast, the water pressure will be too large, and the stability of the liquid input will be affected.

[0046] As shown in FIG. 6, in some embodiments of the present application, the second overflow groove 321 is provided with a plurality of second overflow grooves 321, and the sum of the cross-sectional areas of the liquid flowing through the plurality of second overflow grooves 321 is greater than or equal to the axial cross-sectional area of the liquid outlet pipeline 31. At this time, the liquid can stably flow into the liquid outlet pipeline 31 through the second overflow groove 321. If the cross-sectional area of the liquid flowing through the second overflow groove 321 is less than the axial cross-sectional area of the liquid outlet pipeline 31, the water flow into the liquid outlet pipeline 31 will be slow, the water pressure will be lost, which is not conducive to the subsequent water jet pressurization process, and the pressurization efficiency will be reduced.

[0047] In some embodiments of the present application, the maximum slidable distance ranges of the liquid inlet disc 22 and the liquid outlet disc 32 are set to S1 and S2, respectively, and the value ranges of S1 and S2 are both 0.01-100 mm.

[0048] The working process of the present application is as follows: a piston chamber 11 is formed in the shell 1, a piston is arranged in the piston chamber 11 for reciprocating movement, the piston chamber 11 is communicated with a liquid inlet chamber 12 and a liquid outlet chamber 13, and the piston can suck liquid from the liquid inlet chamber 12 and discharge liquid from the liquid outlet chamber 13 during reciprocating movement; the liquid inlet chamber 12 is provided with a liquid inlet connector 2, the liquid inlet connector 2 is internally provided with a liquid inlet pipeline 21, the liquid inlet connector 2 is provided with a liquid inlet disc 22 at one end facing the piston chamber 11, the liquid inlet disc 22 is provided with a first overflow groove 221, the liquid outlet chamber 13 is provided with a liquid outlet connector 3, the liquid outlet connector 3 is internally provided with a liquid outlet pipeline 31, the liquid outlet connector 3 is provided with a liquid outlet disc 32 at one end facing the piston chamber 11, and a second overflow groove 321 is arranged between the liquid outlet connector 3 and the liquid outlet disc 32; when liquid is being inletted, the piston moves away from the liquid inlet chamber 12 and the liquid outlet chamber 13, a negative pressure is formed in the piston chamber 11, the liquid outlet disc 32 and the liquid inlet disc 22 are driven to slide to abut against the inner wall of the liquid outlet chamber 13 and the liquid inlet chamber 12 on the side close to the piston chamber 11, the liquid outlet disc 32 closes the liquid outlet chamber 13, the first overflow groove 221 on the liquid inlet chamber 12 allows liquid to pass through, so that liquid enters the piston chamber 11 from the liquid inlet chamber 12; when liquid is being outletted, the piston moves towards the liquid inlet chamber 12 and the liquid outlet chamber 13, an outward thrust is formed in the piston chamber 11, the liquid outlet disc 32 and the liquid inlet disc 22 are driven to slide away from the inner wall, the liquid inlet disc 22 closes the liquid inlet pipeline 21 at this time, the second overflow groove 321 on the liquid outlet chamber 13 allows liquid to pass through, so that liquid enters the liquid outlet pipeline 31 from the liquid outlet chamber 13, and the discharge of liquid is completed.

[0049] In summary, the medical diaphragm type pressure valve provided by the embodiment of the present application has the liquid inlet connector 2 and the liquid outlet connector 3 closed and arranged fixedly, and the liquid inlet disc 22 and the liquid outlet disc 32 slidingly fixed in the liquid inlet connector 2 and the liquid outlet connector 3 are also stable and reliable, and are not prone to eccentricity during working process, so that the production efficiency of the whole pressurizing device is ensured.

[0050] The above is only the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and replacements can be made without departing from the technical principles of the present application, and these improvements and replacements should also be regarded as the protection scope of the present application.

Claims

1. A connector for a medical diaphragm pressure valve, characterized in that, The utility model discloses a medical diaphragm pressure valve, comprising: The utility model discloses a medical diaphragm pressure valve, further comprising a liquid inlet joint and a liquid outlet joint, wherein the liquid inlet joint is provided with a liquid inlet pipe, and the liquid inlet joint is provided with a movable liquid inlet disc on one side; the liquid outlet joint is provided with a liquid outlet pipe, and the liquid outlet joint is provided with a movable liquid outlet disc on one side; the liquid inlet disc is provided with a first overflow groove at one end of the liquid inlet chamber; and the liquid outlet disc is provided with a second overflow groove at one end of the liquid outlet joint.

2. The medical diaphragm pressure valve adapter of claim 1, wherein: The utility model discloses a medical diaphragm pressure valve, comprising:

3. A medical diaphragm pressure valve characterized by, The utility model discloses a medical diaphragm pressure valve, comprising: The utility model discloses a medical diaphragm pressure valve, further comprising a liquid inlet joint and a liquid outlet joint, wherein the liquid inlet joint is provided with a liquid inlet pipe, and the liquid inlet joint is provided with a movable liquid inlet disc on one side; the liquid outlet joint is provided with a liquid outlet pipe, and the liquid outlet joint is provided with a movable liquid outlet disc on one side; the liquid inlet disc is provided with a first overflow groove at one end of the liquid inlet chamber; and the liquid outlet disc is provided with a second overflow groove at one end of the liquid outlet joint. The utility model discloses a medical diaphragm pressure valve, comprising:

4. The medical diaphragm pressure valve of claim 3, wherein: The utility model discloses a medical diaphragm pressure valve, further comprising a liquid inlet joint and a liquid outlet joint, wherein the liquid inlet joint is provided with a liquid inlet pipe, and the liquid inlet joint is provided with a movable liquid inlet disc on one side; the liquid outlet joint is provided with a liquid outlet pipe, and the liquid outlet joint is provided with a movable liquid outlet disc on one side; the liquid inlet disc is provided with a first overflow groove at one end of the liquid inlet chamber; and the liquid outlet disc is provided with a second overflow groove at one end of the liquid outlet joint.

5. The medical diaphragm pressure valve of claim 3, wherein: The utility model discloses a medical diaphragm pressure valve, comprising:

6. The medical diaphragm pressure valve of claim 4, wherein: The utility model discloses a medical diaphragm pressure valve, further comprising a liquid inlet joint and a liquid outlet joint, wherein the liquid inlet joint is provided with a liquid inlet pipe, and the liquid inlet joint is provided with a movable liquid inlet disc on one side; the liquid outlet joint is provided with a liquid outlet pipe, and the liquid outlet joint is provided with a movable liquid outlet disc on one side; the liquid inlet disc is provided with a first overflow groove at one end of the liquid inlet chamber; and the liquid outlet disc is provided with a second overflow groove at one end of the liquid outlet joint.

7. The medical diaphragm pressure valve of claim 3, wherein: The utility model discloses a medical diaphragm pressure valve, comprising:

8. The medical diaphragm pressure valve of claim 3, wherein: The utility model discloses a medical diaphragm pressure valve, further comprising a liquid inlet joint and a liquid outlet joint, wherein the liquid inlet joint is provided with a liquid inlet pipe, and the liquid inlet joint is provided with a movable liquid inlet disc on one side; the liquid outlet joint is provided with a liquid outlet pipe, and the liquid outlet joint is provided with a movable liquid outlet disc on one side; the liquid inlet disc is provided with a first overflow groove at one end of the liquid inlet chamber; and the liquid outlet disc is provided with a second overflow groove at one end of the liquid outlet joint.

9. The medical diaphragm pressure valve of claim 3, wherein: The utility model discloses a medical diaphragm pressure valve, comprising: The utility model discloses a medical diaphragm pressure valve, further comprising a liquid inlet joint and a liquid outlet joint, wherein the liquid inlet joint is provided with a liquid inlet pipe, and the liquid inlet joint is provided with a movable liquid inlet disc on one side; the liquid outlet joint is provided with a liquid outlet pipe, and the liquid outlet joint is provided with a movable liquid outlet disc on one side; the liquid inlet disc is provided with a first overflow groove at one end of the liquid inlet chamber; and the liquid outlet disc is provided with a second overflow groove at one end of the liquid outlet joint. The utility model discloses a medical diaphragm pressure valve, comprising: The utility model discloses a medical diaphragm pressure valve, further comprising a liquid inlet joint and a liquid outlet joint, wherein the liquid inlet joint is provided with a liquid inlet pipe, and the liquid inlet joint is provided with a movable liquid inlet disc on one side; the liquid outlet joint is provided with a liquid outlet pipe, and the liquid outlet joint is provided with a movable liquid outlet disc on one side; the liquid inlet disc is provided with a first overflow groove at one end of the liquid inlet chamber; and the liquid outlet disc is provided with a second overflow groove at one end of the liquid outlet joint. The utility model discloses a medical diaphragm pressure valve, comprising: The utility model discloses a medical diaphragm pressure valve, further comprising a liquid inlet joint and a liquid outlet joint, wherein the liquid inlet joint is provided with a liquid inlet pipe, and the liquid inlet joint is provided with a movable liquid inlet disc on one side; the liquid outlet joint is provided with a liquid outlet pipe, and the liquid outlet joint is provided with a movable liquid outlet disc on one side; the liquid inlet disc is provided with a first overflow groove at one end of the liquid inlet chamber; and the liquid outlet disc is provided with a second overflow groove at one end of the liquid outlet joint. The utility model discloses a medical diaphragm pressure valve, comprising: The utility model discloses a medical diaphragm pressure valve, further comprising a liquid inlet joint and a liquid outlet joint, wherein the liquid inlet joint is provided with a liquid inlet pipe, and the liquid inlet joint is provided with a movable liquid inlet disc on one side; the liquid outlet joint is provided with a liquid outlet pipe, and the liquid outlet joint is provided with a movable liquid outlet disc on one side; the liquid inlet disc is provided with a first overflow groove at one end of the liquid inlet chamber; and the liquid outlet disc is provided with a second overflow groove at one end of the liquid outlet joint. The utility model discloses a medical diaphragm pressure valve, comprising: The utility model discloses a medical diaphragm pressure valve, further comprising a liquid inlet joint and a liquid outlet joint, wherein the liquid inlet joint is provided with a liquid inlet pipe, and the liquid inlet joint is provided with a movable liquid inlet disc on one side; the liquid outlet joint is provided with a liquid outlet pipe, and the liquid outlet joint is provided with a movable liquid outlet disc on one side; the liquid inlet disc is provided with a first overflow groove at one end of the liquid inlet chamber; and the liquid outlet disc is provided with a second overflow groove at one end of the liquid outlet joint. The utility model discloses a medical diaphragm pressure valve, comprising: The utility model discloses a medical diaphragm pressure valve, further comprising a liquid inlet joint and a liquid outlet joint, wherein the liquid inlet joint is provided with a liquid inlet pipe, and the liquid inlet joint is provided with a movable liquid inlet disc on one side; the liquid outlet joint is provided with a liquid outlet pipe, and the liquid outlet joint is provided with a movable liquid outlet disc on one side; the liquid inlet disc is provided with a first overflow groove at one end of the liquid inlet chamber; and the liquid outlet disc is provided with a second overflow groove at one end of the liquid outlet joint. The utility model discloses a medical diaphragm pressure valve, comprising: The utility model discloses a medical diaphragm pressure valve, further comprising a liquid inlet joint and a liquid outlet joint, wherein the liquid inlet joint is provided with a liquid inlet pipe, and the liquid inlet joint is provided with a movable liquid inlet disc on one side; the liquid outlet joint is provided with a liquid outlet pipe, and the liquid outlet joint is provided with a movable liquid outlet disc on one side; the liquid inlet disc is provided with a first overflow groove at one end of the liquid inlet chamber; and the liquid outlet disc is provided with a second overflow groove at one end of the liquid outlet joint. The utility model discloses a medical diaphragm pressure valve, comprising: The utility model discloses a medical diaphragm pressure valve, further comprising a liquid inlet joint and a liquid outlet joint, wherein the liquid inlet joint is provided with a liquid inlet pipe, and the liquid inlet joint is provided with a movable liquid inlet disc on one side; the liquid outlet joint is provided with a liquid outlet pipe, and the liquid outlet joint is provided with a movable liquid outlet disc on one side; the liquid inlet disc is provided with a first overflow groove at one end of the liquid inlet chamber; and the liquid outlet disc is provided with a second overflow groove at one end of the liquid outlet joint. The utility model discloses a medical diaphragm pressure valve, comprising: The utility model discloses a medical diaphragm pressure valve, further comprising a liquid inlet joint and a liquid outlet joint, wherein the liquid inlet joint is provided with a liquid inlet pipe, and the liquid inlet joint is provided with a movable liquid inlet disc on one side; the liquid outlet joint is provided with a liquid outlet pipe, and the liquid outlet joint is provided with a movable liquid outlet disc on one side; the liquid inlet disc is provided with a first overflow groove at one end of the liquid inlet chamber; and the liquid outlet disc is provided with a second overflow groove at one end of the liquid outlet joint. The utility model discloses a medical diaphragm pressure valve, comprising: The utility model discloses a medical diaphragm pressure valve, further comprising a liquid inlet joint and a liquid outlet joint, wherein the liquid inlet joint is provided with a liquid inlet pipe, and the liquid inlet joint is provided with a movable liquid inlet disc on one side; the liquid outlet 10. The medical diaphragm pressure valve of claim 3, wherein: The second overflow tanks are provided in plurality, and the sum of cross-sectional areas through which liquid flows in the plurality of second overflow tanks is greater than or equal to the axial cross-sectional area of the liquid outlet pipe.

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