CN114870103A - An adaptive positive and negative pressure adjustable ventilation device - Google Patents

Abstract

The invention relates to the technical field of medical devices, in particular to an adaptive positive and negative pressure adjustable ventilation device, comprising a circular shell and a rotating shaft, the inner cavity of the circular shell is eccentrically connected with a rotating shaft, and the side wall of the rotating shaft is fixedly connected There are round plates. The device of the present invention is provided with a hose, a round block, a motor and a movable mechanism, and can realize the control operation of the positive and negative pressure of the device by adjusting the rotation direction of the motor and using the action of the movable mechanism during use, and can adjust the rotation speed of the motor by adjusting the rotation direction of the motor and using the action of the movable mechanism. The control of the number of turns and the number of rotations realizes the control of the gas flow and size, adapts to different situations, and has a good use effect; by setting a fixed mechanism, after the pipe is sleeved on the outer side wall of the standpipe, the movable plate can be rotated by rotating the movable shell. The outer side wall of the pipe is pressed against the vertical pipe, so as to realize the firm fixation of the pipe, avoid falling off during use, and facilitate use. The present invention has the advantages of good adaptability and firm fixation.

Description

An adaptive positive and negative pressure adjustable ventilation device

technical field

The invention relates to a ventilation device, in particular to an adaptive positive and negative pressure adjustable ventilation device.

Background technique

In the process of treating a patient, it is necessary to use the ventilation device to assist the gas supply to the patient or use the ventilation device to generate negative pressure to suck out some substances inside the patient. The ventilation devices in the prior art are mostly used by medical staff. The operation is completed by manually pressing the breathing balloon. This operation method is a quantitative control operation for the adjustment of the positive and negative pressure of the gas and the determination of the amount of ventilation, so it cannot play a good role in assisting the quality. A major shortcoming of the prior art, and the prior art ventilation device is relatively inconvenient for the connection of its pipes when in use, and the pipes are easy to fall off under the action of a large external force or air pressure, which is inconvenient to use, which is another deficiency of the prior art. . Based on the above reasons, the present invention proposes an adaptive positive and negative pressure adjustable ventilation device to solve the deficiencies of the prior art.

SUMMARY OF THE INVENTION

Aiming at the deficiencies of the prior art, the present invention provides an adaptive positive and negative pressure adjustable ventilation device, which overcomes the deficiencies of the prior art.

In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:

An adaptive positive and negative pressure adjustable ventilation device, comprising a circular shell, the inner cavity of the circular shell is eccentrically connected with a rotating shaft, the side wall of the rotating shaft is fixedly connected with a circular plate, and the front side wall of the circular plate is A number of round blocks are evenly distributed and fixedly connected on the upper surface, the side walls of the round blocks extend out of the side wall of the circular plate, and a first bevel gear is fixedly connected to the side wall of the rotating shaft on the rear side of the circular plate. The lower side of the gear is meshed with a second bevel gear, the center of the bottom surface of the second bevel gear has a movable shaft at a fixed distance, the other end of the movable shaft is fixedly connected with a motor, and the motor is fixedly connected with the rear side wall of the inner cavity of the circular shell , a hose is fixedly connected to the upper side wall of the inner cavity of the round shell, the hose and the round block are located on the same plane, and both ends of the hose are fixedly connected with a vertical pipe, and the vertical pipe is away from one end of the hose A fixing mechanism is arranged through the side wall of the round shell, the vertical pipe is fixedly connected with the round shell, and a horizontal pipe is fixedly connected to the side wall of the vertical pipe on the left side, and one end of the horizontal pipe away from the vertical pipe penetrates the round shell A movable mechanism is also provided, the horizontal tube and the round shell are fixedly connected, the inner cavity of the vertical tube on the left side is provided with another movable mechanism, and the control host and the battery pack are fixedly connected to the bottom surface of the inner cavity of the round shell, so A display screen and buttons are fixedly connected to the front side wall of the round shell.

As a preferred technical solution of the present invention, the fixing mechanism includes a movable shell, the section of the movable shell is set in an inverted concave shape, the movable shell and the outer side wall of the standpipe are threadedly connected, and the bottom surface of the movable shell is A circular ring plate is movably connected, a plurality of movable plates are evenly distributed and movably connected on the inner side wall of the circular ring plate, and the side wall of the movable plate is movably connected with the vertical pipe.

As a preferred technical solution of the present invention, the movable mechanism includes an annular plate, a bracket is fixedly connected to the inner side wall of the annular plate, and a movable rod is movably connected to the center of the side wall of the bracket, and the inner cavity of the vertical pipe is movable. One end of the rod away from the inner cavity of the circular shell is fixedly connected with a side plate, one end of the movable rod in the inner cavity of the horizontal tube is fixedly connected with another side plate, and the other end of the movable rod is fixedly connected with a flat plate, and the flat plate is fixedly connected to the other end of the movable rod. An apron is fixedly connected to one side close to the annular plate, a spring is sleeved on the movable rod, one end of the spring is fixedly connected to the side plate, and the other end of the spring is fixedly connected to the bracket.

As a preferred technical solution of the present invention, an arc-shaped groove is formed on the upper side wall of the inner cavity of the circular shell, and the hose is arranged in the inner cavity of the arc-shaped groove.

As a preferred technical solution of the present invention, three circular arrays of circular blocks are distributed and arranged.

As a preferred technical solution of the present invention, sealing rings are fixedly connected to the outer side walls of the two vertical pipes near the bottom ends.

As a preferred technical solution of the present invention, the side wall of the movable plate away from the vertical pipe is provided with a chute, and the inner side wall of the circular ring plate is evenly distributed and movably connected with a number of sliders. Active connection between the slider and the chute.

As a preferred technical solution of the present invention, the thickness of the bottom surface of the movable plate is set to be greater than the thickness of the top surface thereof.

As a preferred technical solution of the present invention, the flat plate is arranged in a circular shape, and the diameter of the flat plate is larger than the inner diameter of the annular plate.

As a preferred technical solution of the present invention, the bracket is arranged in a Y shape.

The embodiment of the present invention provides an adaptive positive and negative pressure adjustable ventilation device, which has the following beneficial effects:

1. The device of the present invention is provided with a hose, a round block, a motor and a movable mechanism. When in use, the control operation of the positive and negative pressure of the device can be realized by adjusting the rotation direction of the motor and using the action of the movable mechanism. The control of the motor speed and the number of rotations realizes the control of the gas flow and size, adapts to different situations and has a good use effect;

2. By setting the fixing mechanism, after the pipe is sleeved on the outer side wall of the standpipe, the movable plate can press the outer side wall of the pipe on the stand pipe by rotating the movable shell, so as to realize the firm fixation of the pipe and avoid the use of It comes off in the middle for easy use.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is the internal structure schematic diagram of the present invention;

Fig. 3 is the A-A surface and mechanism schematic diagram of Fig. 2 of the present invention;

Fig. 4 is the enlarged view of the A place of Fig. 2 of the present invention;

Fig. 5 is the enlarged view of the B place of Fig. 2 of the present invention;

FIG. 6 is a schematic diagram of the structure of the stent of the present invention.

In the figure: 1, round shell; 2, shaft; 3, circular plate; 4, round block; 5, first bevel gear; 6, second bevel gear; 7, movable shaft; 8, motor; 9, hose; 10. Vertical pipe; 11. Fixed mechanism; 12. Horizontal pipe; 13. Active mechanism; 14. Control host; 15. Battery pack; 16. Display screen; 17. Button; 18. Active shell; 19. Ring plate; 20, movable plate; 21, annular plate; 22, bracket; 23, movable rod; 24, side plate; 25, flat plate; 26, apron; 27, spring; 28, arc groove; 29, sealing ring; 30, Chute; 31. Slider.

Detailed ways

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.

Embodiment: As shown in Figures 1-6, an adaptive positive and negative pressure adjustable ventilation device includes a circular shell 1, the inner cavity of the circular shell 1 is eccentrically connected with a rotating shaft 2, and the side wall of the rotating shaft 2 is fixedly connected with a rotating shaft 2. Circular plate 3, a number of circular blocks 4 are evenly distributed and fixedly connected on the front side wall of circular plate 3, three circular blocks 4 are arranged in an annular array, and the side wall of circular block 4 extends out of the side wall of circular plate 3, and the rotating shaft 2 A first bevel gear 5 is fixedly connected to the side wall on the rear side of the circular plate 3, a second bevel gear 6 is engaged with the lower side of the first bevel gear 5, and a movable shaft 7 is located at a fixed distance from the center of the bottom surface of the second bevel gear 6, The other end of the movable shaft 7 is fixedly connected with a motor 8, the motor 8 is fixedly connected with the rear side wall of the inner cavity of the round shell 1, and a hose 9 is fixedly connected to the upper side wall of the inner cavity of the round shell 1, and the hose 9 and the round block 4 are located in the same Plane, an arc-shaped groove 28 is opened on the upper side wall of the inner cavity of the circular shell 1, the hose 9 is arranged in the inner cavity of the arc-shaped groove 28, and the two ends of the hose 9 are fixedly connected with a vertical pipe 10, so as to realize the automatic air inlet and outlet operation;

Wherein, sealing rings 29 are fixedly connected to the outer side walls of the two vertical pipes 10 near the bottom ends, so as to improve the sealing performance;

One end of the standpipe 10 away from the hose 9 penetrates the side wall of the round shell 1 and is provided with a fixing mechanism 11. The fixing mechanism 11 includes a movable shell 18, and the cross-section of the movable shell 18 is provided in an inverted concave shape. Threaded connection, a circular ring plate 19 is movably connected on the bottom surface of the movable shell 18, a number of movable plates 20 are evenly distributed and movably connected on the inner side wall of the circular ring plate 19, and the upper side wall of the movable plate 20 is movably connected with the vertical pipe 10. , which can realize the firm fixation of the pipeline and is easy to use;

Among them, the side wall of the movable plate 20 away from the vertical pipe 10 is provided with a chute 30, and the inner side wall of the annular plate 19 is evenly distributed and movably connected with a number of sliders 31, between the slider 31 and the chute 30 The movable connection is convenient for the movement of the movable plate 20;

Wherein, the thickness of the bottom surface of the movable plate 20 is greater than the thickness of the top surface, so that the fixing is firm;

The vertical pipe 10 and the round shell 1 are fixedly connected, and the lateral pipe 12 is fixedly connected to the side wall of the left vertical pipe 10. It is fixedly connected with the round shell 1. Another movable mechanism 13 is arranged in the inner cavity of the left standpipe 10. The movable mechanism 13 includes an annular plate 21. A bracket 22 is fixedly connected to the inner side wall of the annular plate 21, and the bracket 22 is arranged in a Y shape. , the center of the side wall of the bracket 22 is movably connected with a movable rod 23, the movable rod 23 of the inner cavity of the vertical pipe 10 is fixedly connected with a side plate 24 at one end away from the inner cavity of the circular shell 1, and the movable rod 23 of the inner cavity of the horizontal pipe 12 is close to the circular shell 1. One end of the inner cavity is fixedly connected with another side plate 24, the other end of the movable rod 23 is fixedly connected with a flat plate 25, and the side of the flat plate 25 close to the annular plate 21 is fixedly connected with an apron 26, the movable rod 23 is sleeved with a spring 27, the spring One end of 27 is fixedly connected with the side plate 24, and the other end of the spring 27 is fixedly connected with the bracket 22, which can realize the control operation of the airflow direction, which is convenient for use in positive and negative pressure conditions, and has a good use effect;

Wherein, the flat plate 25 is arranged in a circular shape, and the diameter of the flat plate 25 is larger than the inner diameter of the annular plate 21 to facilitate sealing;

A control host 14 and a battery pack 15 are fixedly connected to the bottom surface of the inner cavity of the round shell 1, and a display screen 16 and a button 17 are fixedly connected to the front side wall of the round shell 1, which can realize the control and adjustment of the device.

Working principle: when the device of the present invention is in use, firstly, the air intake pipe is sleeved on the outer side wall of the left standpipe 10, and the air outlet pipe is sleeved on the outer side wall of the right standpipe 10, and then the movable shell 18 is rotated to make The movable shell 18 moves to the side of the movable plate 20, and the movable shell 18 drives the slider 31 on the annular plate 19 to move in the chute 30 on the movable plate 20, so that the movable plate 20 fixes the pipeline on the outer side wall of the standpipe 10. It can effectively prevent the pipeline from falling off due to external force or internal atmospheric pressure, improve the installation reliability of the pipeline, and facilitate the use. During use, if the gas transmission operation is required, the rotation of the motor 8 is realized through the button 17, and the motor 8 drives the The second bevel gear 6 on the movable shaft 7 rotates, the second bevel gear 6 meshes with the first bevel gear 5 and rotates, and the first bevel gear 5 drives the circular plate 3 on the rotating shaft 2 to rotate clockwise, through the circular block on the circular plate 3 4. Continuously press the hose 9 to realize the automatic delivery of the external gas to the patient. By controlling the rotational speed and the number of turns of the motor 8, the gas delivery speed and gas delivery volume can be controlled, which is convenient for the patient. Use, if the negative pressure suction operation is required, input commands through the button 17 and control the motor 8 through the control host 14, so that the circular plate 3 drives the circular block 4 to rotate counterclockwise. The right vertical pipe 10 can be evacuated by pressing on the right side, so that the air pressure in the left horizontal pipe 12 increases. Negative pressure is formed in the tube 10, which can conveniently carry out the object adsorption operation, and realize the control of the suction force through the control of the motor 8, which is convenient for use and operation and has a good use effect.

Finally, it should be noted that: in the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the orientations shown in the accompanying drawings Or the positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arranged", "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still understand the foregoing embodiments. The technical solutions described are modified, or some technical features thereof are equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. An adaptive positive and negative pressure adjustable ventilation device, comprising a circular shell (1), characterized in that an inner cavity of the circular shell (1) is eccentrically connected with a rotating shaft (2), and the rotating shaft (2) A circular plate (3) is fixedly connected to the side wall of the circular plate (3), a number of circular blocks (4) are evenly distributed and fixedly connected on the front side wall of the circular plate (3), and the side wall of the circular block (4) extends out of a circle The side wall of the plate (3) is arranged, and a first bevel gear (5) is fixedly connected to the side wall of the rotating shaft (2) on the rear side of the circular plate (3), and the lower side of the first bevel gear (5) is engaged with There is a second bevel gear (6), a movable shaft (7) is fixed at a fixed distance from the center of the bottom surface of the second bevel gear (6), and a motor (8) is fixedly connected to the other end of the movable shaft (7). (8) It is fixedly connected to the rear side wall of the inner cavity of the round shell (1), and a hose (9) is fixedly connected to the upper side wall of the inner cavity of the round shell (1). 4) Located on the same plane, both ends of the hose (9) are fixedly connected with a standpipe (10), and one end of the standpipe (10) away from the hose (9) penetrates the side wall of the round shell (1) and is provided There is a fixing mechanism (11), the vertical pipe (10) and the round shell (1) are fixedly connected, and a horizontal pipe (12) is fixedly connected to the side wall of the vertical pipe (10) on the left side, the horizontal One end of the pipe (12) away from the vertical pipe (10) penetrates the circular shell (1) and is provided with a movable mechanism (13). The horizontal pipe (12) is fixedly connected with the circular shell (1). (10) The inner cavity is provided with another movable mechanism (13), and the control host (14) and the battery pack (15) are fixedly connected to the bottom surface of the inner cavity of the circular shell (1). A display screen (16) and a button (17) are fixedly connected to the side wall. 2 . An adaptive positive and negative pressure adjustable ventilation device according to claim 1 , wherein the fixing mechanism ( 11 ) comprises a movable shell ( 18 ), and the section of the movable shell ( 18 ) is undercut The movable shell (18) is threadedly connected with the outer side wall of the standpipe (10), the bottom surface of the movable shell (18) is movably connected with a circular ring plate (19), the circular ring plate (19) A plurality of movable plates (20) are evenly distributed and movably connected on the inner side wall of the movable plate (20), and the upper side wall of the movable plate (20) is movably connected with the vertical pipe (10). 3. An adaptive positive and negative pressure adjustable ventilation device according to claim 1, characterized in that, the movable mechanism (13) comprises an annular plate (21), and the inner side wall of the annular plate (21) is fixed on the inner wall A bracket (22) is connected, the center of the side wall of the bracket (22) is movably connected with a movable rod (23), and the movable rod (23) of the inner cavity of the vertical pipe (10) is away from one end of the inner cavity of the round shell (1). A side plate (24) is fixedly connected, and another side plate (24) is fixedly connected to one end of the movable rod (23) of the inner cavity of the transverse tube (12) close to the inner cavity of the round shell (1). ) are fixedly connected with a flat plate (25) at the other end, an apron (26) is fixedly connected to one side of the flat plate (25) close to the annular plate (21), and a spring (27) is sleeved on the movable rod (23). One end of the spring (27) is fixedly connected to the side plate (24), and the other end of the spring (27) is fixedly connected to the bracket (22). 4. An adaptive positive and negative pressure adjustable ventilation device according to claim 1, characterized in that, an arc-shaped groove (28) is formed on the upper side wall of the inner cavity of the circular shell (1), and the soft The tube (9) is arranged in the inner cavity of the arc-shaped groove (28). 5 . The self-adaptive positive and negative pressure adjustable ventilation device according to claim 1 , wherein there are three circular arrays of the circular blocks ( 4 ). 6 . 6 . The self-adaptive positive and negative pressure adjustable ventilation device according to claim 1 , wherein a sealing ring ( 29 ) is fixedly connected to the outer side walls of the two vertical pipes ( 10 ) near the bottom ends. 7 . 7. The self-adaptive positive and negative pressure adjustable ventilation device according to claim 2, characterized in that, a chute ( 30), several sliders (31) are evenly distributed and movably connected on the inner side wall of the annular plate (19), and the sliders (31) are movably connected with the chute (30). 8 . The self-adaptive positive and negative pressure adjustable ventilation device according to claim 2 , wherein the bottom surface of the movable plate ( 20 ) has a thickness greater than that of its top surface. 9 . 9 . The self-adapting positive and negative pressure adjustable ventilation device according to claim 3 , wherein the flat plate ( 25 ) is arranged in a circle, and the diameter of the flat plate ( 25 ) is larger than that of the annular plate ( 21 ). 10 . Inner diameter setting. 10. The self-adaptive positive and negative pressure adjustable ventilation device according to claim 3, wherein the bracket (22) is arranged in a Y shape.

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