Auxiliary guiding device for lung function detection

By designing an auxiliary guidance device for pulmonary function testing, the position of the seat and mouthpiece can be adjusted using a moving and adjusting mechanism, and combined with visual and audio prompts, the problem of low patient comprehension is solved, and standardized breathing operation and testing safety are improved.

CN121570160AInactive Publication Date: 2026-02-27THE FIRST AFFILIATED HOSPITAL OF NAVAL MEDICAL UNIVERSITY OF CHINESE PEOPLES LIBERATION ARMY
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Patent Information

Application Number
CN202512000732.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-29
Publication Date
2026-02-27
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In current lung function testing, patients often have a low level of understanding of doctors' instructions, leading to incorrect actions that may cause symptoms or injury. An auxiliary guidance device is needed to standardize patients' breathing procedures.

Method used

A lung function testing auxiliary guidance device was designed, which includes a moving mechanism and an adjusting mechanism. The position of the seat and the mouthpiece is adjusted by a motor-driven threaded rod. Combined with the display screen and audio prompts, it guides the patient to perform the correct exhalation and inhalation operations.

Benefits of technology

This approach effectively guides patients, reduces errors, improves the accuracy and safety of testing, and lowers the incidence of patient discomfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a lung function detection auxiliary guiding device, and relates to the technical field of lung function detection.The lung function detection auxiliary guiding device comprises a base, a lung function tester is arranged above the base, the top end of the lung function tester is fixedly connected with a display screen and a sound box, and one side of the lung function tester is fixedly connected with a connecting pipe, a grip, an air blowing opening and a supporting base; a seat plate, a moving mechanism and an adjusting mechanism. By arranging the adjusting mechanism, in the moving process of the movable frame, the upper arm of a patient enters the C-shaped frame, at the moment, a first motor can be started, and the first motor operates to drive the C-shaped frame to move upwards or downwards; the C-shaped frame moves upwards by a small distance to push the hand of the patient to lift up to remind the patient to inhale; the C-shaped frame moves downwards by a small distance, the hand of the patient is pushed to be put down, the patient is reminded to exhale, and meanwhile through cooperation with image prompt of the display screen and voice prompt of the sound box, the patient can be conveniently and synchronously reminded and guided to conduct exhaling and inhaling operation in multiple modes.
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Description

Technical Field

[0001] This invention relates to the field of pulmonary function testing technology, specifically to an auxiliary guidance device for pulmonary function testing. Background Technology

[0002] Pulmonary function testing is an essential examination for respiratory diseases. It is primarily used to assess airway patency and lung capacity. It has significant clinical value in early detection of lung and airway lesions, assessing disease severity and prognosis, evaluating the effectiveness of drugs or other treatments, identifying the cause of dyspnea, diagnosing lesion location, evaluating lung function tolerance to surgery or exertion, and monitoring critically ill patients. Common pulmonary function tests include forced vital capacity (FVC), slow vital capacity (SVC), maximum voluntary ventilation (VT), diffusion capacity (DCF), and diastolic function test. The procedures and requirements for each test are slightly different: Forced Vital Capacity (FVC): Two quiet breaths → maximum inhalation → maximum exhalation → one quiet breath → end; Slow Vital Capacity (SVC): Approximately ten quiet breaths → maximum inhalation → maximum exhalation → end; Maximum Voluntary Ventilation (VT): Breathe at maximum speed and amplitude for 15 seconds → end; Diffusion Capacity (DCF): Several quiet breaths → slow breathing → rapid inhalation to the TCL (transient collimator) position (specific position) → hold breath for 10 seconds → rapid exhalation → end.

[0003] The operation of the equipment for lung function testing is relatively complicated. Patients need to sit upright in a chair with their legs bent at a 90-degree angle and follow the doctor's instructions to inhale and exhale through the mouthpiece. However, patients do not have a high level of understanding of the doctor's instructions and the correct testing method. Incorrect actions by patients can lead to symptoms or damage such as cerebral hypoxia, cough, and chest tightness. In order to provide assistance and guidance to patients, a lung function testing auxiliary guidance device is provided. Summary of the Invention

[0004] The purpose of this invention is to provide a lung function testing auxiliary guidance device in order to assist patients in their testing.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a lung function testing auxiliary guidance device, comprising a base, a lung function tester disposed on the top of the base, a display screen and a speaker fixedly connected to the top of the lung function tester, a connecting tube fixedly connected to one side of the lung function tester, a handle fixedly connected to one end of the connecting tube, an air inlet fixedly connected to one end of the handle, a support base fixedly connected to the top of the base, a movable seat plate provided on the outer wall of the support base, the position of the air inlet being adjusted by a moving mechanism, the position of the seat plate being adjusted by an adjusting mechanism, the moving mechanism including a guide plate, the guide plate being slidably connected to the top of the base and located at the bottom of the support base, a moving frame fixedly connected to one side of the outer wall of the guide plate, a fixing groove being provided at the top of the base at the bottom of the moving frame, a displacement seat being slidably connected to the outer wall of the moving frame, a displacement plate being fixedly connected to one side of the displacement seat, the handle being fixedly connected to the displacement plate, and a displacement groove being provided at the top of the displacement seat for the moving frame to slide.

[0006] As a further embodiment of the present invention: the moving mechanism further includes a toothed plate, which is slidably connected to the interior of the moving frame and extends to the outer wall of the moving frame. A fixed rod is slidably connected to the interior of the moving frame at the bottom end of the toothed plate. A first spring is connected between the fixed rod and the moving frame. A movable groove is formed on the outer wall of the displacement seat. A movable frame is slidably connected to the inner wall of the movable groove. A toothed block is slidably connected to the interior of the displacement seat. One end of the toothed block extends to the inner wall of the displacement groove, and the other end of the toothed block extends to the inner cavity of the movable groove. A locking block extending out of the movable frame is slidably connected to the interior of the movable frame. A second spring is connected between the locking block and the movable frame. A first motor is installed at the top of the movable frame. A first threaded rod is connected to the output end of the first motor. A C-shaped frame is slidably connected to the outer wall of the movable frame, and the first threaded rod passes through the C-shaped frame.

[0007] As a further embodiment of the present invention: the adjustment mechanism includes a sliding groove, which is formed on the inner wall of the guide plate; the outer wall of the support base has an adjustment groove for the seat plate to slide; the inner wall of the adjustment groove has a positioning groove; a second motor is installed at the top of the support base; the output end of the second motor is connected to a second threaded rod; the second threaded rod passes through the seat plate; a first spur gear is rotatably connected to one end of the seat plate; a support rod is fixedly connected to the outer wall of the first spur gear; a sliding rod is fixedly connected to the bottom end of the support rod; and the sliding rod is slidably connected to the inner wall of the sliding groove.

[0008] As a further embodiment of the present invention: the adjustment mechanism further includes a positioning plate, the positioning plate extending to the other end of the seat plate is slidably connected inside the seat plate, a second spur gear is rotatably connected inside the seat plate to the outer wall of the positioning plate, a Y-shaped frame is slidably connected inside the seat plate to the outer wall of the second spur gear, a third spring is connected between the Y-shaped frame and the seat plate, a slanted groove is formed on one side of the Y-shaped frame, a slot is formed on the inner wall of the slanted groove, a plug rod is slidably connected inside the seat plate to one side of the slanted groove, a rotating column is slidably connected to one side of the seat plate, a third threaded rod is fixedly connected to the outer wall of the rotating column, and the third threaded rod extends into the interior of the plug rod.

[0009] As a further embodiment of the present invention: the bottom end of the support base is provided with a square groove for the guide plate to slide, and the outer wall of the movable frame is in contact with the inner wall of the displacement groove.

[0010] As a further embodiment of the present invention: the outer wall of the movable frame is in contact with the inner wall of the movable groove, the inner wall of the movable groove is provided with ratchet teeth, and one end of the locking block is engaged with the ratchet teeth.

[0011] As a further embodiment of the present invention: the outer wall of the toothed plate is provided with a locking tooth, one end of the toothed block is engaged with the locking tooth, the top end of the fixing rod is provided with a first inclined surface, the bottom end of the toothed plate is in contact with the first inclined surface, and the outer wall of the bottom end of the fixing rod is in contact with the inner wall of the fixing groove.

[0012] As a further embodiment of the present invention: the top of the C-shaped frame is provided with a first threaded hole, which matches the first threaded rod.

[0013] As a further embodiment of the present invention: the inner wall of the adjusting groove is in contact with the outer wall of the seat plate, the outer wall of the seat plate is provided with a second threaded hole, the second threaded hole is matched with the second threaded rod, and the outer wall of the sliding rod is in contact with the inner wall of the sliding groove.

[0014] As a further embodiment of the present invention: one end of the Y-shaped frame engages with the first spur gear; both the positioning plate and the outer wall of the Y-shaped frame are provided with toothed grooves; the toothed grooves engage with the second spur gear; the outer wall of the insertion rod is provided with a third threaded hole; the third threaded hole matches the third threaded rod; the outer wall of the insertion rod fits against the inner wall of the slot; and the inner wall of the positioning groove fits against the outer wall of the positioning plate.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. By setting up a moving mechanism and an adjusting mechanism, the second motor drives the second threaded rod to rotate, and the rotation of the second threaded rod causes the seat plate to move. The seat plate slides in the adjusting groove. The patient sits upright on the seat plate, and the patient's hands hold the handle. The handle is moved so that the air inlet is inserted into the patient's mouth. After completion, the movable frame is pushed to move, so that the patient's upper arm enters the C-shaped frame. During this process, the position of the air inlet is automatically fixed to facilitate the adjustment of the seat plate height, so that the seat plate can adapt to patients of different heights, allowing the patient to sit on the seat plate with their knees bent at 90 degrees; at the same time, the position of the air inlet is adjusted. 2. By setting an adjustment mechanism, during the movement of the movable frame, the patient's upper arm enters the C-shaped frame. At this time, the first motor can be activated, and the first motor drives the C-shaped frame to move upward or downward. When the C-shaped frame moves upward a short distance, it pushes the patient's hand up, reminding the patient to inhale; when the C-shaped frame moves downward a short distance, it pushes the patient's hand down, reminding the patient to exhale. At the same time, the display screen provides visual prompts, and the audio provides voice prompts, so as to guide the patient to perform inhalation and exhalation operations through multiple synchronous reminders. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the installation of the guide plate of the present invention; Figure 3 This is a schematic diagram of the installation of the displacement seat of the present invention; Figure 4 This is a cross-sectional view of the movable frame of the present invention; Figure 5 This is a cross-sectional view of the displacement seat of the present invention; Figure 6 This is a schematic diagram of the installation of the card block of the present invention; Figure 7 This is a cross-sectional view of the support base of the present invention; Figure 8 This is a schematic diagram of the structure of the guide plate of the present invention; Figure 9 This is a cross-sectional view of the seat plate of the present invention; Figure 10 This is a schematic diagram of the Y-shaped frame of the present invention.

[0017] In the diagram: 1. Base; 2. Lung function testing instrument; 3. Display screen; 4. Speaker; 5. Connecting tube; 6. Handle; 7. Breathing port; 8. Moving mechanism; 801. Guide plate; 802. Moving frame; 803. Fixing groove; 804. Displacement seat; 805. Displacement plate; 806. Displacement groove; 807. Toothed plate; 808. Fixing rod; 809. First spring; 810. Movable groove; 811. Movable frame; 812. Toothed block; 813. Locking block; 814. Second spring; 815. First motor; 816. 9. First threaded rod; 9. C-shaped frame; 9. Adjustment mechanism; 901. Slide groove; 902. Adjustment groove; 903. Positioning groove; 904. Second motor; 905. Second threaded rod; 906. First spur gear; 907. Support rod; 908. Slide rod; 909. Positioning plate; 910. Second spur gear; 911. Y-shaped frame; 912. Third spring; 913. Inclined groove; 914. Slot; 915. Insert rod; 916. Third threaded rod; 917. Rotating column; 10. Support base; 11. Seat plate. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of this invention, it should be noted that unless otherwise explicitly specified and limited, the terms "installed," "connected," "linked," and "set up" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. The following describes embodiments of the invention based on its overall structure.

[0020] Please see Figures 1 to 10In this embodiment of the invention, a lung function testing auxiliary guidance device includes a base 1, a lung function tester 2 is disposed above the base 1, a display screen 3 and a speaker 4 are fixedly connected to the top of the lung function tester 2, a connecting tube 5 is fixedly connected to one side of the lung function tester 2, a handle 6 is fixedly connected to one end of the connecting tube 5, an air inlet 7 is fixedly connected to one end of the handle 6, a support base 10 is fixedly connected to the top of the base 1, and a movable seat 11 is disposed on the outer wall of the support base 10. The position of the air inlet 7 is adjusted by a moving mechanism 8. The position of 1 is adjusted by the adjustment mechanism 9. The moving mechanism 8 includes a guide plate 801, which is slidably connected to the top of the base 1 and located at the bottom of the support base 10. A moving frame 802 is fixedly connected to one outer wall of the guide plate 801. A fixing groove 803 is provided at the bottom of the moving frame 802 at the top of the base 1. A displacement seat 804 is slidably connected to the outer wall of the moving frame 802. A displacement plate 805 is fixedly connected to one side of the displacement seat 804. The handle 6 is fixedly connected to the displacement plate 805. A movement port is provided at the top of the displacement seat 804. The moving frame 802 has a sliding displacement groove 806. The moving mechanism 8 also includes a toothed plate 807, which is slidably connected to the inside of the moving frame 802 and extends to the outer wall of the moving frame 802. A fixed rod 808 is slidably connected to the bottom end of the toothed plate 807 inside the moving frame 802. A first spring 809 is connected between the fixed rod 808 and the moving frame 802. The outer wall of the displacement seat 804 has a movable groove 810. A movable frame 811 is slidably connected to the inner wall of the movable groove 810. A toothed block 812 is slidably connected inside the displacement seat 804. One end of the toothed block 812 extends to the inner wall of the displacement groove 806, and the other end of the toothed block 812 extends to the inner cavity of the movable groove 810. The movable frame 811 is slidably connected to a locking block 813 extending out of the movable frame 811. A second spring 814 is connected between the locking block 813 and the movable frame 811. A first motor 815 is installed at the top of the movable frame 811. A first threaded rod 816 is connected to the output end of the first motor 815. A C-shaped frame 817 is slidably connected to the outer wall of the movable frame 811. The first threaded rod 816 passes through the C-shaped frame 817.

[0021] In this embodiment: After adjusting the height of the seat 11 by adjusting the parts inside the adjusting mechanism 9, the patient sits upright on the seat 11, holding the handle 6 with their hand. Moving the handle 6 allows the air inlet 7 to enter the patient's mouth. During this process, the displacement seat 804 slides vertically on the outer wall of the movable frame 802, while the guide plate 801 and the movable frame 802 slide back and forth on the top of the base 1. After the movement is complete, the movable frame 811 is pushed to slide within the movable groove 810 until it reaches the other end of the groove. At this point, the locking block 813 engages with the inner wall of the movable groove 810 under the elastic force of the second spring 814, thus positioning the movable frame 811. During this process, the movable frame 81... 1. When the toothed block 812 comes into contact with the toothed block 812, it pushes the toothed block 812 to move. The toothed block 812 moves and comes into contact with the toothed plate 807, pushing the toothed plate 807 to move within the movable frame 802 until there is no more space to move. The toothed plate 807 and the toothed block 812 then engage, thereby fixing the displacement seat 804 to the outer wall of the movable frame 802 and fixing the height of the air inlet 7. At the same time, the displacement of the toothed plate 807 pushes the fixing rod 808 to move, compressing the first spring 809. The fixing rod 808 moves and inserts into the fixing groove 803, fixing the position of the movable frame 802 and thus fixing the position of the air inlet 7. This allows for adjustment of the position of the air inlet 7 according to the height of different patients. During the movement of the movable frame 811, the patient's upper arm enters the C-shaped frame 817. At this time, the first motor 815 can be activated. The operation of the first motor 815 drives the first threaded rod 816 to rotate. The rotation of the first threaded rod 816 causes the C-shaped frame 817 to move upward or downward. When the C-shaped frame 817 moves upward a short distance, it pushes the patient's hand up, reminding the patient to inhale. When the C-shaped frame 817 moves downward a short distance, it pushes the patient's hand down, reminding the patient to exhale. At the same time, the image prompts on the display screen 3 and the voice prompts on the sound system 4 provide simultaneous reminders through multiple methods to guide the patient in the breathing operation.

[0022] Please refer to this carefully. Figures 7 to 10The adjustment mechanism 9 includes a slide groove 901, which is formed on the inner wall of the guide plate 801. The outer wall of the support base 10 has an adjustment groove 902 for the seat plate 11 to slide. The inner wall of the adjustment groove 902 has a positioning groove 903. A second motor 904 is mounted on the top of the support base 10. The output end of the second motor 904 is connected to a second threaded rod 905, which passes through the seat plate 11. One end of the seat plate 11 is rotatably connected to a first spur gear 906. A support rod 907 is fixedly connected to the outer wall of the first spur gear 906. A slide rod 908 is fixedly connected to the bottom end of the support rod 907 and slidably connected to the inner wall of the slide groove 901. The adjustment mechanism 9 also includes a positioning plate 909. A positioning plate 909 extending to the other end of the seat plate 11 is slidably connected inside the seat plate 11. A second spur gear 910 is rotatably connected to the outer wall of the positioning plate 909 inside the seat plate 11. A Y-shaped frame 911 is slidably connected to the outer wall of the second spur gear 910 inside the seat plate 11. A third spring 912 is connected between the Y-shaped frame 911 and the seat plate 11. A groove 913 is provided on one side of the Y-shaped frame 911. A slot 914 is provided on the inner wall of the groove 913. A plug rod 915 is slidably connected to the side of the groove 913 inside the seat plate 11. A rotating column 917 is slidably connected to one side of the seat plate 11. A third threaded rod 916 is fixedly connected to the outer wall of the rotating column 917. The third threaded rod 916 extends into the interior of the plug rod 915.

[0023] In this embodiment: when adjusting the height of the seat plate 11, the second motor 904 is started. The second motor 904 drives the second threaded rod 905 to rotate, which in turn causes the seat plate 11 to move. The seat plate 11 slides within the adjustment groove 902. At this time, the first spur gear 906 and the support rod 907 rotate relative to the seat plate 11, and the slide rod 908 slides on the inner wall of the slide groove 901. After adjustment, the rotating column 917 is rotated, which drives the third threaded rod 916 to rotate. The third threaded rod 916 rotates, which causes the insertion rod 915 to move. The insertion rod 915 moves and contacts the inclined groove 913, pushing the Y-shaped frame 911 to move. The movement of the Y-shaped frame 911 pushes the third spring 912, causing compression. One end is connected to the first spur gear 906, which fixes the first spur gear 906 and the support rod 907. At the same time, the Y-shaped frame 911 moves, causing the second spur gear 910 to rotate. The rotation of the second spur gear 910 causes the positioning plate 909 to move. The positioning plate 909 moves and inserts into the positioning groove 903, fixing the seat plate 11 in the adjustment groove 902. Then, the insertion rod 915 continues to move and inserts into the slot 914, fixing the Y-shaped frame 911. At this time, the positioning plate 909 and the support rod 907 support the two ends of the seat plate 11 respectively, so that the patient can sit on the seat plate 11 stably and the height of the seat plate 11 can be adjusted so that the seat plate 11 can adapt to patients of different heights and keep the patient's knees bent at 90 degrees.

[0024] Please refer to this carefully. Figures 2 to 6 The bottom end of the support base 10 is provided with a square groove for the guide plate 801 to slide, and the outer wall of the movable frame 802 is in contact with the inner wall of the displacement groove 806.

[0025] In this embodiment: the handle 6 is moved so that the air inlet 7 is inserted into the patient's mouth. During this process, the displacement seat 804 slides vertically on the outer wall of the moving frame 802, while the guide plate 801 and the moving frame 802 slide back and forth on the top of the base 1.

[0026] Please refer to this carefully. Figures 2 to 6 The outer wall of the movable frame 811 fits against the inner wall of the movable groove 810. The inner wall of the movable groove 810 is provided with ratchet teeth, and one end of the locking block 813 engages with the ratchet teeth.

[0027] In this embodiment: the movable frame 811 is pushed to slide in the movable groove 810 until the movable frame 811 slides to the other end of the movable groove 810. At this time, the locking block 813 is engaged with the inner wall of the movable groove 810 by the elastic force of the second spring 814, thereby positioning the movable frame 811.

[0028] Please refer to this carefully. Figures 2 to 6The outer wall of the toothed plate 807 is provided with a locking tooth, one end of the toothed block 812 engages with the locking tooth, the top of the fixing rod 808 is provided with a first inclined surface, the bottom end of the toothed plate 807 contacts the first inclined surface, and the outer wall of the bottom end of the fixing rod 808 fits against the inner wall of the fixing groove 803.

[0029] In this embodiment: the movable frame 811 contacts the toothed block 812, pushing the toothed block 812 to move. The toothed block 812 then contacts the toothed plate 807, pushing the toothed plate 807 to move within the movable frame 802 until there is no more space to move. The toothed plate 807 then engages with the toothed block 812, thereby fixing the displacement seat 804 to the outer wall of the movable frame 802 and fixing the height of the air outlet 7. At the same time, the displacement of the toothed plate 807 pushes the fixing rod 808 to move, compressing the first spring 809. The fixing rod 808 then inserts into the fixing groove 803, fixing the position of the movable frame 802 and thus fixing the position of the air outlet 7.

[0030] Please refer to this carefully. Figures 2 to 6 The top of the C-shaped frame 817 is provided with a first threaded hole, which matches the first threaded rod 816.

[0031] In this embodiment: the first motor 815 drives the first threaded rod 816 to rotate, and the rotation of the first threaded rod 816 drives the C-shaped frame 817 to move upward or downward.

[0032] Please refer to this carefully. Figures 7 to 10 The inner wall of the adjusting groove 902 is in contact with the outer wall of the seat plate 11. The outer wall of the seat plate 11 is provided with a second threaded hole, which matches the second threaded rod 905. The outer wall of the slide rod 908 is in contact with the inner wall of the slide groove 901.

[0033] In this embodiment: the second motor 904 drives the second threaded rod 905 to rotate, the rotation of the second threaded rod 905 drives the seat plate 11 to move, the seat plate 11 slides in the adjustment groove 902, at this time the first spur gear 906 and the support rod 907 rotate relative to the seat plate 11, and the slide rod 908 slides on the inner wall of the slide groove 901.

[0034] Please refer to this carefully. Figures 7 to 10 One end of the Y-shaped frame 911 engages with the first spur gear 906. The outer walls of both the positioning plate 909 and the Y-shaped frame 911 are provided with toothed grooves, which engage with the second spur gear 910. The outer wall of the insertion rod 915 is provided with a third threaded hole, which matches the third threaded rod 916. The outer wall of the insertion rod 915 fits against the inner wall of the slot 914, and the inner wall of the positioning groove 903 fits against the outer wall of the positioning plate 909.

[0035] In this embodiment: the rotating column 917 rotates, causing the third threaded rod 916 to rotate. The rotation of the third threaded rod 916 causes the insertion rod 915 to move. The insertion rod 915 moves and contacts the inclined groove 913, pushing the Y-shaped frame 911 to move. The movement of the Y-shaped frame 911 pushes the third spring 912 to compress it. One end of the Y-shaped frame 911 is connected to the first spur gear 906, fixing the first spur gear 906 and the support rod 907. At the same time, the movement of the Y-shaped frame 911 causes the second spur gear 910 to rotate. The rotation of the second spur gear 910 causes the positioning plate 909 to move. The positioning plate 909 moves and inserts into the positioning groove 903, fixing the seat plate 11 in the adjustment groove 902. Then the insertion rod 915 continues to move and inserts into the slot 914, fixing the Y-shaped frame 911.

[0036] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A lung function testing auxiliary guidance device, comprising a base (1), characterized in that, A pulmonary function testing instrument (2) is mounted on top of the base (1). A display screen (3) and an audio speaker (4) are fixedly connected to the top of the pulmonary function testing instrument (2). A connecting tube (5) is fixedly connected to one side of the pulmonary function testing instrument (2). A handle (6) is fixedly connected to one end of the connecting tube (5). An air inlet (7) is fixedly connected to one end of the handle (6). A support base (10) is fixedly connected to the top of the base (1). A movable seat (11) is provided on the outer wall of the support base (10). The position of the air inlet (7) is adjusted by a moving mechanism (8), and the position of the seat (11) is adjusted by an adjusting mechanism (9). The moving mechanism (8) includes... A guide plate (801) is slidably connected to the top of the base (1) and located at the bottom of the support base (10). A movable frame (802) is fixedly connected to one side of the outer wall of the guide plate (801). A fixed groove (803) is opened at the top of the base (1) at the bottom of the movable frame (802). A displacement seat (804) is slidably connected to the outer wall of the movable frame (802). A displacement plate (805) is fixedly connected to one side of the displacement seat (804). The handle (6) is fixedly connected to the displacement plate (805). A displacement groove (806) is opened at the top of the displacement seat (804) for the movable frame (802) to slide.

2. The pulmonary function testing auxiliary guidance device according to claim 1, characterized in that, The moving mechanism (8) further includes a toothed plate (807), which is slidably connected to the interior of the moving frame (802) and extends to the outer wall of the moving frame (802). A fixed rod (808) is slidably connected to the interior of the moving frame (802) at the bottom end of the toothed plate (807). A first spring (809) is connected between the fixed rod (808) and the moving frame (802). A movable groove (810) is provided on the outer wall of the displacement seat (804). A movable frame (811) is slidably connected to the inner wall of the movable groove (810). A toothed block (812) is slidably connected to the interior of the displacement seat (804). One end extends to the inner wall of the displacement groove (806), and the other end of the toothed block (812) extends to the inner cavity of the movable groove (810). The movable frame (811) is slidably connected to a locking block (813) extending out of the movable frame (811). A second spring (814) is connected between the locking block (813) and the movable frame (811). A first motor (815) is installed at the top of the movable frame (811). A first threaded rod (816) is connected to the output end of the first motor (815). A C-shaped frame (817) is slidably connected to the outer wall of the movable frame (811). The first threaded rod (816) passes through the C-shaped frame (817).

3. The pulmonary function testing auxiliary guidance device according to claim 2, characterized in that, The adjustment mechanism (9) includes a slide groove (901), which is opened on the inner wall of the guide plate (801). The outer wall of the support base (10) is provided with an adjustment groove (902) for the seat plate (11) to slide. The inner wall of the adjustment groove (902) is provided with a positioning groove (903). A second motor (904) is installed at the top of the support base (10). The output end of the second motor (904) is connected to a second threaded rod (905). The second threaded rod (905) passes through the seat plate (11). One end of the seat plate (11) is rotatably connected to a first spur gear (906). A support rod (907) is fixedly connected to the outer wall of the first spur gear (906). A slide rod (908) is fixedly connected to the bottom end of the support rod (907). The slide rod (908) is slidably connected to the inner wall of the slide groove (901).

4. The pulmonary function testing auxiliary guidance device according to claim 3, characterized in that, The adjustment mechanism (9) further includes a positioning plate (909). The positioning plate (909) extending to the other end of the seat plate (11) is slidably connected inside the seat plate (11). A second spur gear (910) is rotatably connected inside the seat plate (11) to the outer wall of the positioning plate (909). A Y-shaped frame (911) is slidably connected inside the seat plate (11) to the outer wall of the second spur gear (910). A third spring is connected between the Y-shaped frame (911) and the seat plate (11). Spring (912), a slanted groove (913) is provided on one side of the Y-shaped frame (911), a slot (914) is provided on the inner wall of the slanted groove (913), a plug rod (915) is slidably connected to the inside of the seat plate (11) on one side of the slanted groove (913), a rotating column (917) is slidably connected to one side of the seat plate (11), a third threaded rod (916) is fixedly connected to the outer wall of the rotating column (917), and the third threaded rod (916) extends into the inside of the plug rod (915).

5. A lung function testing auxiliary guidance device according to claim 2, characterized in that, The bottom end of the support base (10) is provided with a square groove for the guide plate (801) to slide, and the outer wall of the movable frame (802) is in contact with the inner wall of the displacement groove (806).

6. The pulmonary function testing auxiliary guidance device according to claim 2, characterized in that, The outer wall of the movable frame (811) is in contact with the inner wall of the movable groove (810), and the inner wall of the movable groove (810) is provided with ratchet teeth, and one end of the locking block (813) is engaged with the ratchet teeth.

7. A lung function testing auxiliary guidance device according to claim 2, characterized in that, The outer wall of the toothed plate (807) is provided with a locking tooth, one end of the toothed block (812) is engaged with the locking tooth, the top end of the fixing rod (808) is provided with a first inclined surface, the bottom end of the toothed plate (807) is in contact with the first inclined surface, and the outer wall of the bottom end of the fixing rod (808) is in contact with the inner wall of the fixing groove (803).

8. A lung function testing auxiliary guidance device according to claim 2, characterized in that, The top of the C-shaped frame (817) is provided with a first threaded hole, which matches the first threaded rod (816).

9. A lung function testing auxiliary guidance device according to claim 4, characterized in that, The inner wall of the adjusting groove (902) is in contact with the outer wall of the seat plate (11). The outer wall of the seat plate (11) is provided with a second threaded hole, which is matched with the second threaded rod (905). The outer wall of the slide rod (908) is in contact with the inner wall of the slide groove (901).

10. A lung function testing auxiliary guidance device according to claim 4, characterized in that, One end of the Y-shaped bracket (911) engages with the first spur gear (906). The outer walls of the positioning plate (909) and the Y-shaped bracket (911) are provided with toothed grooves. The toothed grooves engage with the second spur gear (910). The outer wall of the insert rod (915) is provided with a third threaded hole. The third threaded hole matches the third threaded rod (916). The outer wall of the insert rod (915) is in contact with the inner wall of the slot (914). The inner wall of the positioning groove (903) is in contact with the outer wall of the positioning plate (909).