CN219941366U - Medical gas flow cut-off mechanism - Google Patents

Abstract

The utility model belongs to the field of medical appliances, and particularly discloses a medical gas flow interception mechanism which comprises a flow pipeline, a fixed base, a rubber sleeve, a sealing element, a flow sensor, a pressure gauge and a controller, wherein the fixed base is arranged on the flow pipeline; the fixed base is horizontally arranged, the surface of the fixed base is horizontally provided with a flow pipeline, the surface of the flow pipeline is symmetrically provided with fixing pieces, and the fixing pieces comprise a supporting plate, an arc-shaped rod and an extension plate; the fixed base surface is fixed with the backup pad through fixing bolt, backup pad surface bilateral symmetry is provided with the arc pole, two the arc pole top is vertical to be fixed with the extension board, two through lock bolt interconnect between the extension board, the runner pipe both ends are provided with the ring flange, the inside rubber sleeve that is provided with of runner pipe, rubber sleeve both ends are provided with the sealing member.

Description

Medical gas flow cut-off mechanism

Technical Field

The utility model relates to the field of medical instruments, in particular to a medical gas flow interception mechanism.

Background

The proportional solenoid valve is a solenoid valve for controlling the gas flow, and the output gas flow is in proportional relation with the input current signal, namely, the output gas flow can be regulated steplessly and smoothly by controlling the input current signal, so that the proportional solenoid valve is widely applied to open-loop or closed-loop control systems of gas flows of various medical instrument gas supply equipment, particularly in the control of the medical gas flow in the use process of high-frequency surgical equipment, the medical gas output flow needs to be accurately controlled, the smooth operation is ensured, and the problem that a patient is burnt due to insufficient medical gas flow is avoided.

The proportional solenoid valve realizes the proportional control of input and output through an internal proportional electromagnet. The proportion electromagnet has a special magnetic circuit structure. When a current signal is input into the coil, an electromagnetic acting force is generated on the movable iron core by a magnetic field in the coil, so that the movable iron core moves against the spring force, and the movable iron core stops moving at the balance point of the electromagnetic force and the spring force, so that the movable iron core can move in the magnetic field in proportion and continuously according to the magnitude of an electric signal under the combined action of the electromagnetic force and the spring force, thereby controlling the opening of a valve body flow path, further controlling the output gas flow in proportion continuously, and realizing proportional control. However, when the gas pressure is too high, a certain pressure is generated by the movable iron core in the comparative electromagnetic valve, so that the actual spring force is larger than the electromagnetic force, and the actual flow is larger, and finally the actual flow control precision is influenced.

Particularly, in medical gas flow control, since a gas cylinder is used for gas supply, the gas pressure in the gas cylinder is unstable in the later stage of use, which results in inaccurate detection of the gas flow and influences the gas supply.

Disclosure of Invention

The utility model aims to provide a medical gas flow interception mechanism to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a medical gas flow interception mechanism comprises a flow pipeline, a fixed base, a rubber sleeve, a sealing piece, a flow sensor, a pressure gauge and a controller; the fixed base is horizontally arranged, the surface of the fixed base is horizontally provided with a flow pipeline, the surface of the flow pipeline is symmetrically provided with fixing pieces, and the fixing pieces comprise a supporting plate, an arc-shaped rod and an extension plate; the fixed base surface is fixed with the backup pad through fixing bolt, backup pad surface bilateral symmetry is provided with the arc pole, two the arc pole top is vertical to be fixed with the extension board, two through lock bolt interconnect between the extension board, the runner pipe both ends are provided with the ring flange, the inside rubber sleeve that is provided with of runner pipe, rubber sleeve both ends are provided with the sealing member.

Preferably, the sealing member comprises a sealing ring, a fixing ring and a first clamping ring; sealing rings are arranged at two ends of the rubber sleeve, and a fixing ring is arranged at the position, corresponding to the sealing rings, of the inner wall of the flow pipeline.

Preferably, the fixed ring bottom fixedly connected with first snap ring, sealing ring top fixedly connected with second snap ring, be provided with joint strip between first snap ring and the second snap ring.

Preferably, the surface of the flow pipeline is communicated with an air inlet pipeline, the other end of the air inlet pipeline is fixedly connected with a port of a compressor, and the compressor is electrically connected with the controller.

Preferably, a flow sensor and a pressure gauge are arranged on the inner wall of the end part of the flow pipeline.

Compared with the prior art, the utility model has the beneficial effects that: the utility model separates the control element from the medium conveying pipeline, ensures the purity of the working medium, prevents the medium in the pipeline from impacting the control element, has the advantages of flatness, no shrinkage, no accumulation and no dead angle, is not easy to cause blocking or caking, and reduces the pressure and friction loss.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

fig. 2 is an enlarged schematic view at a in fig. 1.

In the figure: 1. a flow conduit; 2. a fixed base; 3. a support plate; 4. an arc-shaped rod; 5. an extension plate; 6. a locking bolt; 7. a fixing bolt; 8. a flange plate; 9. a rubber sleeve; 10. a seal ring; 11. a fixing ring; 12. a first snap ring; 13. a second snap ring; 14. a sealing rubber strip; 15. an air intake duct; 16. a flow sensor; 17. a pressure gauge.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a medical gas flow cuts mechanism, includes circulation pipeline 1, unable adjustment base 2, rubber sleeve 9, sealing member, flow sensor 16, manometer 17 and controller; the fixed base 2 is horizontally arranged, the surface of the fixed base 2 is horizontally provided with a circulation pipeline 1, the surface of the circulation pipeline 1 is symmetrically provided with fixing pieces, and the fixing pieces comprise a supporting plate 3, an arc-shaped rod 4 and an extension plate 5; the surface of the fixed base 2 is fixed with a supporting plate 3 through a fixed bolt 7, two sides of the surface of the supporting plate 3 are symmetrically provided with arc rods 4, the top ends of the two arc rods 4 are vertically fixed with an extension plate 5, the two extension plates 5 are connected with each other through locking bolts 6, flange plates 8 are arranged at two ends of the circulation pipeline 1, a rubber sleeve 9 is arranged inside the circulation pipeline 1, and sealing elements are arranged at two ends of the rubber sleeve 9.

Further, the sealing member comprises a sealing ring 10, a fixing ring 11 and a first clamping ring 12; sealing rings 10 are arranged at two ends of the rubber sleeve 9, and a fixing ring 11 is arranged at the position of the inner wall of the circulation pipeline 1 corresponding to the sealing rings 10.

Further, a first clamping ring 12 is fixedly connected to the bottom end of the fixing ring 11, a second clamping ring 13 is fixedly connected to the top end of the sealing ring 10, and a sealing rubber strip 14 is arranged between the first clamping ring 12 and the second clamping ring 13.

Further, the surface of the flow pipeline 1 is communicated with an air inlet pipeline 15, the other end of the air inlet pipeline 15 is fixedly connected with a port of a compressor, and the compressor is electrically connected with a controller.

Further, the inner wall of the end part of the flow pipeline 1 is provided with a flow sensor 16 and a pressure gauge 17.

Working principle: when the medical air flow control device works, medical air can circulate through the flow pipeline 1, when the flow is required to be cut off, the controller controls the compressor to start, the compressor compresses air and then enters the flow pipeline 1 through the air inlet pipeline 15, the inside of the flow pipeline 1 is formed by sealing connection of the flow pipeline 1 and the rubber sleeve 9 under the action of a sealing piece, the rubber sleeve 9 has certain elasticity, when compressed air is filled into the air cavity, the rubber sleeve 9 is enabled to shrink inwards under the pressure of the compressed air, the function of closing the flow pipeline 1 is achieved, the cutting-off effect is achieved, and when the air cavity releases the compressed air, the rubber sleeve 9 is deformed in a recovery mode, and the function of opening the flow pipeline 1 is achieved.

Notably, are: the whole device controls the realization of the device through the total control button, and because the equipment matched with the control button is common equipment, the device belongs to the prior common sense technology, and the electrical connection relation and the specific circuit structure of the device are not repeated.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A medical gas flow interception mechanism, which is characterized in that: the device comprises a flow pipeline (1), a fixed base (2), a rubber sleeve (9), a sealing piece, a flow sensor (16), a pressure gauge (17) and a controller; the fixed base (2) is horizontally arranged, the surface of the fixed base (2) is horizontally provided with a circulation pipeline (1), the surface of the circulation pipeline (1) is symmetrically provided with fixing pieces, and the fixing pieces comprise a supporting plate (3), an arc-shaped rod (4) and an extension plate (5); the utility model discloses a fixing base, including unable adjustment base, runner pipe (1), sealing member, fixing bolt (7) are fixed with backup pad (3) on unable adjustment base (2), backup pad (3) surface bilateral symmetry is provided with arc pole (4), two arc pole (4) top is vertical to be fixed with extension board (5), two through locking bolt (6) interconnect between extension board (5), runner pipe (1) both ends are provided with ring flange (8), runner pipe (1) inside is provided with rubber sleeve (9), rubber sleeve (9) both ends are provided with the sealing member.

2. A medical gas flow shut-off mechanism according to claim 1, wherein: the sealing element comprises a sealing ring (10), a fixing ring (11) and a first clamping ring (12); sealing rings (10) are arranged at two ends of the rubber sleeve (9), and a fixing ring (11) is arranged at the position, corresponding to the sealing rings (10), of the inner wall of the flow pipeline (1).

3. A medical gas flow shut-off mechanism according to claim 2, wherein: the sealing device is characterized in that a first clamping ring (12) is fixedly connected to the bottom end of the fixing ring (11), a second clamping ring (13) is fixedly connected to the top end of the sealing ring (10), and a sealing rubber strip (14) is arranged between the first clamping ring (12) and the second clamping ring (13).

4. A medical gas flow shut-off mechanism according to claim 1, wherein: the surface of the flow pipeline (1) is communicated with an air inlet pipeline (15), the other end of the air inlet pipeline (15) is fixedly connected with a port of a compressor, and the compressor is electrically connected with a controller.

5. A medical gas flow shut-off mechanism according to claim 1, wherein: the inner wall of the end part of the flow pipeline (1) is provided with a flow sensor (16) and a pressure gauge (17).