CN112914551B - Multifunctional measuring device for respiratory system - Google Patents

Abstract

The invention discloses a multifunctional measuring device of a respiratory system, and relates to the field of measuring devices; in order to solve the problem that the prior device cannot perform multi-mode measurement; the device specifically comprises a substrate, wherein a measuring box is fixedly connected to the outer wall of the top of the substrate, and a switching mechanism is fixedly connected to the outer wall of the top of the measuring box. According to the invention, the cover plate, the rotating cavity, the clamping frame and the center pillar are arranged, when the mask switching work is executed, the pull rod is pulled, the spring is compressed, and the plug pillar is separated from the inner wall of the jack, so that the device can realize the respiratory system measurement work in various modes, namely, the lung capacity detection and the normal breath detection.

Description

A multifunctional measuring device for respiratory system

technical field

The invention relates to the field of measuring devices, in particular to a multifunctional measuring device for the respiratory system.

Background technique

Due to the inevitable existence of air pollution, people need to measure their respiratory system in time to avoid high-frequency medical treatment and reduce the waste of public medical resources.

After retrieval, the Chinese patent application number is the patent of CN109157774A, discloses a kind of backpack of multifunctional breathing system, comprises air-conditioning box system, control system and electric intake system, and described air-conditioning box system is composed of air-conditioning box, Air intake electronic valve, oxygen sensor module, electric intake electronic valve, output electronic valve and oxygen input electronic valve. The air conditioning box is connected to an oxygen cylinder through an oxygen delivery pipe. There is an oxygen input electronic valve between them, a quick disconnect connector is provided between the oxygen delivery pipe and the oxygen cylinder, and a passive breathing mask is connected to the air conditioning box through the air delivery pipe. The above-mentioned patents have the following disadvantages: when measuring the respiratory system, it is necessary to collect data for different breathing patterns, but the above-mentioned device cannot meet this function.

Contents of the invention

The purpose of the present invention is to solve the shortcomings in the prior art, and propose a multifunctional measuring device for the respiratory system.

In order to achieve the above object, the present invention adopts the following technical solutions:

A multi-functional measuring device for the respiratory system, comprising a base plate, a measurement box is fixedly connected to the top outer wall of the base plate, a switching mechanism is fixedly connected to the top outer wall of the measurement box, a closing component and a joint component are arranged inside the switching mechanism, and the switching mechanism includes a bracket And the cover plate, the outer wall at the bottom of the bracket is fixedly connected to the outer wall at the top of the measuring box, the outer wall on one side of the cover plate is welded to the outer wall on one side of the bracket, the shape of the bracket is L-shaped, the outer wall of the cover plate is rotatably connected with a rotary cavity, and the outer walls at both ends of the rotary cavity are welded with Straight tube, the outer wall of one end of the straight tube is sleeved with a mask, the middle inner wall of the cover plate is fixedly connected with a middle tube, the middle tube is an L-shaped tube, the outer wall of the top of the middle tube is fixedly connected with a sticking tube 2, and the outer wall of the other end of the straight tube is fixedly connected with a constrictor The number of connecting components is two, the outer wall of one side of the connecting component is fixedly connected to the outer wall of one end of the converging tube, the gas flow analyzer and the measuring module are arranged inside the measuring box, the outer wall of one end of the middle tube is fixedly connected with the connecting tube, and one end of the connecting tube The outer wall is fixedly connected to the outer wall of the top of the measurement box and communicated with the gas flow analyzer. The inner walls of both sides of the rotating chamber and the cover are provided with sockets, the outer wall of one side of the cover is welded with a card frame, and the inner wall of the card frame is slidingly connected with a central column. A pull rod is fixedly connected to the outer wall of the top of the center column, and the outer wall of the pull rod is provided with an anti-slip protrusion.

Preferably: the outer wall of the bottom end of the central column is welded with a circular plate, the outer wall of the bottom of the circular plate is welded with a post, the post is slidably connected to the inner wall of the socket, the outer wall of the central post is slidably connected to a spring, and the outer wall of the top of the spring is fixedly connected to the card holder, The outer wall at the bottom of the spring is fixedly connected to the outer wall at the top of the circular plate.

Further: the connecting component includes an inner frame and an air plate, the top outer wall of the inner frame is fixedly connected to the outer wall at one end of the converging tube, the inner wall of the inner frame is slidably connected with a sliding column, and the outer wall at one end of the sliding column is fixedly connected with an air plate, and the air plate is semi-circular Structure, the inner wall on one side of the wind plate is provided with more than three air expansion ports.

Further preferably: the outer diameter of the air plate is consistent with the inner strength of the inner wall of the inner frame, a wedge is welded to the outer wall of one side of the sliding column, the outer wall of the wedge is slanted and connected to a slanted column, and the outer wall of the slanted column is slidably connected to the inner wall of the bottom of the inner frame, The outer wall of the bottom end of the inclined column is fixedly connected with the first sticking tube, and the outer walls of the first sticking tube and the second sticking tube are provided with arc milling.

As a preferred aspect of the present invention: the closure assembly includes an inner cylinder and an expansion ring, the outer wall of the inner cylinder is fixedly connected to the inner wall of the straight pipe, the outer wall of the inner cylinder is provided with a card slot, the outer wall of the expansion ring is clamped on the inner wall of the card groove, and the center of the inner tube The inner wall is provided with air guide holes, and the outer wall of one side of the inner cylinder is welded with a seat frame.

As a further preferred embodiment of the present invention: the inner wall on both sides of the seat frame is connected with the pinch plate through the shaft rotation, the top inner wall of the pinch plate is connected with the connecting plate through the shaft rotation, the inner wall of the inner cylinder is provided with a long groove, and the outer wall on both sides of the other end of the connecting plate passes through The shaft is rotatably connected with pressing blocks, and the outer walls on both sides of the pressing blocks are slidably connected to the inner wall of the long groove.

As a further solution of the present invention: the outer wall on one side of the pressing block is fixedly connected with a telescopic column, the outer wall on one side of the telescopic column is fixedly connected to the inner wall on one side of the long groove, the inner wall on one side of the straight pipe is provided with a guide groove, and the outer walls on both sides of the pressing block It is slidingly connected to the inner wall of the guide groove, and a backing ring is arranged on the outer wall of one side of the pinch plate.

On the basis of the foregoing scheme: a cleaning box is fixedly connected to the outer wall of the top of the substrate, a cleaning chamber is arranged inside the cleaning box, a bottom cover is fixedly connected to the outer walls on both sides of the cleaning box, and baffles are fixedly connected to the inner walls on both sides of the bottom cover. The inner wall of the plate is rotatably connected with a brush roller.

On the basis of the foregoing solution, preferably: the outer wall of the bottom of the base plate is fixedly connected with a direction guide and a beam frame, and the direction guide and the outer walls on both sides of the beam frame are connected with wheels through shaft rotation.

Further: the top outer wall of the measurement box is fixedly connected with an electric control cabinet, and the top outer wall of the electric control cabinet is provided with a display panel.

The beneficial effects of the present invention are:

1. A multi-functional measuring device for the respiratory system. By setting the cover plate, the rotating cavity, the card frame and the center column, when the mask is switched, the pull rod is pulled, the spring is compressed, and the post is separated from the inner wall of the socket, so that the device can Realize multiple modes of respiratory system measurement work, namely spirometry detection and normal breathing detection. When normal breathing detection is required, the user breathes through the nose through one of the masks, and the gas generated by breathing enters the inside of the measurement box, and then measures the gas Analysis, when a spirometry test is required, the user breathes through the mouth, and the measurement box measures and analyzes this part of the gas.

2. A multi-functional measuring device for the respiratory system. By setting the connecting components, the first sticking tube and the second sticking tube are in contact after switching, and then there is a gas flow on the inner wall of the straight tube when measuring, and after the gas flow, the first sticking tube and the sticking tube Negative pressure belt is generated on the second inner wall, and at the same time, it drives the wind plate on the inner wall of the inner frame to move to the center, drives the sliding column to slide on the inner wall of the inner frame, and at the same time drives the wedge to press the inclined column downward, so that the second sticking tube and the first sticking tube are combined in the middle Tighter to avoid gas leakage from the inner wall of the middle tube.

3. A multifunctional measuring device for the respiratory system. By setting the air plate and the air expansion port, the shape of the air plate is semi-circular, which increases the contact area between its surface and the air flow, and better drives the sliding column to move. At the same time, the air expansion port is set It can further increase the surface area of the outer wall on one side of the air plate, and at the same time reduce the mass of the air plate itself, so that the air plate can move more smoothly.

4. A multi-functional measuring device for the respiratory system. By setting a closed component, pressing the block will drive the telescopic column to compress, and then drive the connecting plate to move, so that the buckle plate rotates around the seat frame, and the backing ring is separated from the outer wall on one side of the inner cylinder. , the inner cylinder is opened, the breathing gas of the personnel can flow out from the inner wall of the inner cylinder, and when the subsequent cleaning or the device is idle, the sealing of the inner cylinder is ensured, thereby ensuring the isolation of the rotating cavity and the middle tube from the outside.

5. A multifunctional measuring device for the respiratory system. By setting a cleaning box, when one of the masks is being measured, the other mask is in the cleaning box, and the cleaning chamber can perform deep cleaning of the mask for disinfection and sterilization, while avoiding direct contact of the mask. It is exposed to dust and germs in the air. At the same time, during use, a round of switching can be performed to ensure the cleanliness of the mask. At the same time, the setting of the brush roller can dry the mask and straight tube to avoid overflow of clean water.

Description of drawings

Fig. 1 is the overall structure schematic diagram of a kind of respiratory system multifunctional measuring device that the present invention proposes;

Fig. 2 is a schematic structural diagram of a switching mechanism of a respiratory system multifunctional measuring device proposed by the present invention;

Fig. 3 is the cross-sectional view of the switching mechanism structure of a kind of respiratory system multifunctional measuring device proposed by the present invention;

Fig. 4 is a cross-sectional view of the rotating chamber structure of a multifunctional measuring device for the respiratory system proposed by the present invention;

Fig. 5 is a structural schematic diagram of a connecting component of a respiratory system multifunctional measuring device proposed by the present invention;

Fig. 6 is the partial structure schematic diagram of a kind of respiratory system multi-function measuring device proposed by the present invention;

Fig. 7 is a schematic structural diagram of a closed assembly of a respiratory system multifunctional measuring device proposed by the present invention;

Fig. 8 is a schematic structural diagram of a cleaning box of a multi-function measuring device for the respiratory system proposed by the present invention.

In the figure: 1 substrate, 2 measuring box, 3 electric control cabinet, 4 display panel, 5 switching mechanism, 6 cleaning box, 7 direction device, 8 wheel, 9 connecting pipe, 10 beam frame, 11 bracket, 12 mask, 13 straight Tube, 14 rotary cavity, 15 cover plate, 16 card frame, 17 closed assembly, 18 middle tube, 19 converging tube, 20 sticking tube 1, 21 sticking tube 2, 22 pull rod, 23 spring, 24 inserting column, 25 inner frame , 26 air plate, 27 wedge, 28 sliding column, 29 air expansion port, 30 inclined column, 31 expansion ring, 32 inner cylinder, 33 backing ring, 34 gusset plate, 35 seat frame, 36 connecting plate, 37 press block, 38 Telescopic column, 39 bottom covers, 40 baffle plates, 41 brush rollers.

Detailed ways

The technical solution of this patent will be described in further detail below in conjunction with specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are only used for explaining the patent, and should not be construed as limiting the patent.

In the description of this patent, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying References to devices or elements must have a particular orientation, be constructed, and operate in a particular orientation and therefore should not be construed as limiting on the patent.

In the description of this patent, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", "connection", and "setting" should be understood in a broad sense, for example, it can be fixed connection, setting , can also be detachably connected and set, or integrally connected and set. Those of ordinary skill in the art can understand the specific meanings of the above terms in this patent according to specific situations.

A multifunctional measuring device for the respiratory system, as shown in Figures 1-8, includes a base plate 1, a measurement box 2 is fixedly connected to the top outer wall of the base plate 1, a switching mechanism 5 is fixedly connected to the top outer wall of the measurement box 2, and the inside of the switching mechanism 5 A closure assembly 17 and a connecting assembly are provided; the switching mechanism 5 includes a bracket 11 and a cover plate 15, the bottom outer wall of the bracket 11 is fixedly connected to the top outer wall of the measurement box 2, and the outer wall on one side of the cover plate 15 is welded to the outer wall on one side of the bracket 11. The shape of 11 is L-shaped, the outer wall of cover plate 15 is rotatably connected with rotary chamber 14, the outer wall of two ends of rotary cavity 14 is welded with straight pipe 13, the outer wall of one end of straight pipe 13 is sleeved with mask 12, and the middle inner wall of cover plate 15 is fixedly connected with middle The pipe 18 and the middle pipe 18 are L-shaped pipes. The outer wall of the top of the middle pipe 18 is fixedly connected with the tube 2 21, and the outer wall of the other end of the straight pipe 13 is fixedly connected with the converging pipe 19. The number of connecting components is two, and one side of the connecting component The outer wall is fixedly connected to the outer wall of one end of the converging tube 19, the gas flow analyzer and the measurement module are arranged inside the measuring box 2, the outer wall of one end of the middle tube 18 is fixedly connected to the connecting pipe 9, and the outer wall of one end of the connecting pipe 9 is fixedly connected to the outer wall of the top of the measuring box 2 , and communicated with the gas flow analyzer, the inner walls of both sides of the rotating chamber 14 and the cover plate 15 are provided with sockets, the outer wall of the cover plate 15 is welded with a card holder 16, and the inner wall of the card holder 16 is slidingly connected with a center column, and the top of the center column The outer wall is fixedly connected with a pull rod 22, and the outer wall of the pull rod 22 is provided with an anti-slip protrusion; the outer wall of the bottom end of the center column is welded with a circular plate, and the outer wall of the bottom of the circular plate is welded with a post 24, which is slidably connected to the inner wall of the socket, and the center post The outer wall is slidingly connected with a spring 23, the outer wall of the top of the spring 23 is fixedly connected to the card frame 16, and the outer wall of the bottom of the spring 23 is fixedly connected to the outer wall of the top of the circular plate; when in use, this kind of measuring device can realize various modes of respiratory system measurement work, namely vital capacity Detection and normal breathing detection, when normal breathing detection is required, the user breathes through the nose through one of the masks 12, and the gas generated by breathing enters the inside of the measurement box 2, and then the gas is measured and analyzed, and when vital capacity detection is required, switch Another mask 12 needs to pull the pull rod 22 first, the spring 23 is compressed, the insert 24 is separated from the inner wall of the socket, and then the rotating cavity 14 is in a state of being able to rotate. After switching the mask 12, the user breathes through the mouth, and the measurement box 2 This part of the gas is measured and analyzed; by setting the cover plate 15, the rotating cavity 14, the card frame 16 and the center column, when the mask 12 is switched, the pull rod 22 is pulled, the spring 23 is compressed, and the insertion post 24 is separated from the inner wall of the socket, so that This kind of device can realize multiple modes of respiratory system measurement work, that is, lung capacity detection and normal breathing detection. When normal breathing detection is required, the user breathes through the nose through one of the masks 12, and the gas generated by breathing enters the inside of the measurement box 2 , and then measure and analyze the gas. When the lung capacity test is required, the user breathes through the mouth, and the measurement box 2 measures and analyzes this part of the gas.

In order to keep the pipeline connected in the switching state; as shown in Figures 3, 5, and 6, the connecting assembly includes an inner frame 25 and an air plate 26, the top outer wall of the inner frame 25 is fixedly connected to the outer wall of one end of the converging tube 19, and the inner wall of the inner frame 25 is slidingly connected Sliding column 28 is arranged, and the outer wall of one end of sliding column 28 is fixedly connected with wind board 26, and wind board 26 is semi-circular structure, and wind board 26 side inner wall is provided with more than three air expansion ports 29; Said wind board 26 outer diameter and inner frame The internal strength of the inner wall of 25 is consistent, the outer wall of one side of the sliding column 28 is welded with a wedge 27, the outer wall of the hypotenuse of the wedge 27 is slidably connected with a slanted column 30, the outer wall of the slanted column 30 is slidably connected with the inner wall of the bottom of the inner frame 25, and the outer wall of the bottom of the slanted column 30 There is fixedly attached pipe 1 20, and the outer walls of both attached pipe 1 20 and attached pipe 2 21 are provided with arc milling; when in use, after switching, attached pipe 1 20 and attached pipe 2 21 are in contact, and then the inner wall of straight pipe 13 is When measuring, there is a gas flow. After the gas flow, a negative pressure zone is generated at the inner wall of the first sticking tube 20 and the second sticking tube 21. At the same time, it drives the wind plate 26 on the inner wall of the inner frame 25 to move to the center, and drives the sliding column 28 in the inner frame 25. The inner wall slides, and at the same time drives the wedge 27 to press the inclined column 30 downward, so that the middle of the second tube 21 and the first tube 20 are combined more closely, and the gas is prevented from leaking from the inner wall of the middle tube 18; 20 is in contact with pipe two 21, and then the inner wall of the straight pipe 13 is measuring, there is a gas flow, and after the gas flow, a negative pressure zone is generated at the inner wall of the first pipe 20 and the second 21 of the pipe, and the wind on the inner wall of the inner frame 25 is driven simultaneously. The plate 26 moves to the center, drives the sliding column 28 to slide on the inner wall of the inner frame 25, and at the same time drives the wedge 27 to press the inclined column 30 downward, so that the joint between the second tube 21 and the first tube 20 is more tightly combined, and the gas is prevented from flowing through the middle tube. 18 inner walls leak; by setting wind plate 26 and air expansion port 29, the shape of wind plate 26 is a semi-circular ring, which increases the contact area between its surface and air flow, and better drives the sliding column 28 to move, and the setting of air expansion port 29 can further Increase the surface area of the outer wall on one side of the air plate 26, while reducing the mass of the air plate 26 itself, so that the movement of the air plate 26 is smoother, and the contact surfaces of the second tube 21 and the first tube 20 are arc edges, making the switching smoother .

In order to ensure the cleanliness inside the system; as shown in Figures 3 and 7, the closure assembly 17 includes an inner cylinder 32 and an expansion ring 31, the outer wall of the inner cylinder 32 is fixedly connected to the inner wall of the straight pipe 13, and the outer wall of the inner cylinder 32 is provided with a card slot, The outer wall of the expansion ring 31 is clamped on the inner wall of the slot, the inner wall of the center of the inner cylinder 32 is provided with an air guide hole, and the outer wall of one side of the inner cylinder 32 is welded with a seat frame 35; the inner walls of both sides of the seat frame 35 are connected with a buckle plate 34 through the rotation of the shaft. The inner wall of the top of the pinch plate 34 is connected with a connecting plate 36 through the rotation of the shaft, and the inner wall of the inner tube 32 is provided with a long groove, and the outer wall of the other end of the connecting plate 36 is connected with a pressing block 37 through the rotating shaft, and the outer walls of the both sides of the pressing block 37 are slidably connected to the long groove. The inner wall of the groove; the outer wall on one side of the block 37 is fixedly connected with a telescopic column 38, the outer wall on one side of the telescopic column 38 is fixedly connected to the inner wall on one side of the long groove, the inner wall on one side of the straight pipe 13 is provided with a guide groove, and the outer wall on both sides of the block 37 Slidingly connected to the inner wall of the guide groove, the outer wall of one side of the pinch plate 34 is provided with a backing ring 33; when in use, the personnel presses the button 37 to open the pinch plate 34 and keep the inner wall of one of the straight tubes 13 unblocked for breathing gas measurement; By arranging the closure assembly 17, wherein the press block 37 is pressed, the telescopic column 38 is driven to compress, and then the connecting plate 36 is driven to move, so that the buckle plate 34 rotates around the seat frame 35, the backing ring 33 is separated from the outer wall of the inner cylinder 32, and the inner cylinder 32 is opened, the breathing gas of the personnel can flow out from the inner wall of the inner cylinder 32, and when the subsequent cleaning or the device is idle, the sealing of the inner cylinder 32 is ensured, thereby ensuring that the rotating chamber 14 and the middle pipe 18 are isolated from the outside.

In order to be able to clean the switching elements; as shown in Figures 1 and 8, a cleaning box 6 is fixedly connected to the outer wall of the top of the substrate 1, a cleaning chamber is arranged inside the cleaning box 6, and a bottom cover is fixedly connected to the outer walls on both sides of the cleaning box 6. 39. The inner walls on both sides of the bottom cover 39 are fixedly connected with baffles 40, and the inner walls of the baffles 40 are rotatably connected with brush rollers 41; The outer walls on both sides are connected with wheels 8 through shaft rotation, the outer wall of the top of the measurement box 2 is fixedly connected with the electric control cabinet 3, and the outer wall of the top of the electric control cabinet 3 is provided with a display panel 4; by setting the cleaning box 6, when one of the masks 12 is performing During measurement, another mask 12 is in the middle of the cleaning box 6, and the cleaning chamber can carry out deep cleaning of the mask 12 for disinfection and sterilization, while preventing the mask 12 from being directly exposed to dust and germs in the air. One round of switching ensures the cleanliness of the mask 12, and at the same time, the setting of the brush roller 41 can dry the mask 12 and the straight pipe 13 to avoid overflow of clean water.

When this embodiment is in use, this measuring device can realize multiple modes of respiratory system measurement work, namely lung capacity detection and normal breathing detection. The generated gas enters the inside of the measurement box 2, and then the gas is measured and analyzed. When it is necessary to perform lung capacity detection, to switch another mask 12, it is necessary to first pull the pull rod 22, the spring 23 is compressed, and the post 24 is separated from the inner wall of the socket, and then The rotary cavity 14 is in a state of being able to rotate. After switching the mask 12, the user breathes through the mouth, and the measurement box 2 measures and analyzes this part of the gas. When measuring, there is a gas flow. After the gas flow, a negative pressure zone is generated at the inner wall of the first sticking tube 20 and the second sticking tube 21. At the same time, it drives the wind plate 26 on the inner wall of the inner frame 25 to move to the center, and drives the sliding column 28 in the inner frame. The inner wall of 25 slides, and at the same time, the wedge 27 is driven to press the inclined column 30 downward, so that the middle of the second sticking tube 21 and the first sticking tube 20 are combined more tightly, so as to prevent gas from leaking from the inner wall of the middle tube 18. The pinch plate 34 is opened to keep the inner wall of one of the straight pipes 13 unimpeded for measuring the breathing gas.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (8)

1. The utility model provides a multifunctional measuring device for respiratory system, includes base plate (1), base plate (1) top outer wall fixedly connected with measurement box (2), measurement box (2) top outer wall fixedly connected with switching mechanism (5), inside sealed subassembly (17) and the linking subassembly of being provided with of switching mechanism (5), characterized in that, switching mechanism (5) are including support (11) and apron (15), support (11) bottom outer wall fixedly connected with measurement box (2) top outer wall, apron (15) one side outer wall welding is in support (11) one side outer wall, the shape of support (11) is L shape, apron (15) outer wall rotation is connected with changes chamber (14), change chamber (14) both ends outer wall welding has straight tube (13), straight tube (13) one end outer wall cup joints face guard (12), inner wall fixedly connected with well pipe (18) in the middle of apron (15), well pipe (18) are L-shaped, well pipe (18) top outer wall fixedly connected with paste tub two (21), straight tube (13) other end outer wall fixedly connected with bundle pipe (19), linking subassembly quantity is two, linking subassembly one side outer wall fixedly connected with bundle of gas meter (9) and one end of measuring end of collecting tube (9) are connected with inside the measuring device, end of collecting tube (9) is fixedly connected with a measuring device inner wall analysis module, the outer wall of one end of the connecting pipe (9) is fixedly connected to the outer wall of the top of the measuring box (2) and is communicated with the gas flow analyzer, jacks are formed in the inner walls of the two sides of the rotating cavity (14) and the cover plate (15), a clamping frame (16) is welded on the outer wall of one side of the cover plate (15), a center column is slidably connected to the inner wall of the clamping frame (16), a pull rod (22) is fixedly connected to the outer wall of the top end of the center column, and anti-slip protrusions are arranged on the outer wall of the pull rod (22);

the connecting assembly comprises an inner frame (25) and an air plate (26), wherein the top outer wall of the inner frame (25) is fixedly connected with the outer wall of one end of a beam collecting pipe (19), the inner wall of the inner frame (25) is fixedly connected with a sliding column (28), one end of the sliding column (28) is fixedly connected with the air plate (26), the air plate (26) is of a semi-annular structure, more than three air outlets (29) are formed in one side of the inner wall of the air plate (26), the outer diameter of the air plate (26) is consistent with the inner diameter of the inner frame (25), a wedge block (27) is welded on one side of the outer wall of the sliding column (28), an inclined column (30) is connected with the outer wall of the inclined column in the bottom of the inner frame (25), the outer wall of the bottom end of the inclined column (30) is fixedly connected with a first pipe pasting (20), and circular arc milling edges are formed in the outer wall of one side of the first pipe pasting (20) and the second pipe pasting (21).

2. The multifunctional measuring device for the respiratory system according to claim 1, wherein a circular plate is welded on the outer wall of the bottom end of the middle column, a plug column (24) is welded on the outer wall of the bottom of the circular plate, the plug column (24) is slidably connected to the inner wall of the jack, a spring (23) is slidably connected to the outer wall of the middle column, the outer wall of the top of the spring (23) is fixedly connected to the clamping frame (16), and the outer wall of the bottom of the spring (23) is fixedly connected to the outer wall of the top of the circular plate.

3. The multifunctional measuring device for the respiratory system according to claim 1, wherein the sealing assembly (17) comprises an inner cylinder (32) and an expansion ring (31), the outer wall of the inner cylinder (32) is fixedly connected to the inner wall of the straight pipe (13), a clamping groove is formed in the outer wall of the inner cylinder (32), the outer wall of the expansion ring (31) is clamped to the inner wall of the clamping groove, an air guide hole is formed in the central inner wall of the inner cylinder (32), and a seat frame (35) is welded to the outer wall of one side of the inner cylinder (32).

4. A multifunctional measuring device for respiratory system according to claim 3, wherein the inner walls at two sides of the seat frame (35) are connected with a buckle plate (34) through shaft rotation, the inner wall at the top of the buckle plate (34) is connected with a connecting plate (36) through shaft rotation, the inner wall of the inner cylinder (32) is provided with a long groove, the outer walls at two sides of the other end of the connecting plate (36) are connected with a pressing block (37) through shaft rotation, and the outer walls at two sides of the pressing block (37) are slidably connected with the inner wall of the long groove.

5. The multifunctional measuring device for the respiratory system according to claim 4, wherein the outer wall of one side of the pressing block (37) is fixedly connected with a telescopic column (38), the outer wall of one side of the telescopic column (38) is fixedly connected with the inner wall of one side of the long groove, the inner wall of one side of the straight pipe (13) is provided with a guide groove, the outer walls of two sides of the pressing block (37) are slidably connected with the inner wall of the guide groove, and the outer wall of one side of the buckle plate (34) is provided with a backing ring (33).

6. The multifunctional measuring device for the respiratory system according to claim 1, wherein the cleaning box (6) is fixedly connected to the outer wall of the top of the base plate (1), a cleaning bin is arranged inside the cleaning box (6), the bottom covers (39) are fixedly connected to the outer walls of the two sides of the cleaning box (6), the baffle plates (40) are fixedly connected to the inner walls of the two sides of the bottom covers (39), and the brush rolls (41) are rotatably connected to the inner walls of the baffle plates (40).

7. The multifunctional measuring device for the respiratory system according to claim 6, wherein the outer wall of the bottom of the base plate (1) is fixedly connected with a direction device (7) and a beam frame (10), and wheels (8) are connected to the outer walls of the two sides of the direction device (7) and the beam frame (10) through shaft rotation.

8. The multifunctional measuring device for the respiratory system according to claim 1, wherein the outer wall of the top of the measuring box (2) is fixedly connected with an electric control cabinet (3), and the outer wall of the top of the electric control cabinet (3) is provided with a display panel (4).

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