Compact respiratory training device

Abstract

The utility model discloses a compact type breathing training device which comprises a main shell, a first air inlet, a second air inlet, a third air inlet, a fourth air inlet, a fifth air outlet, a fifth air outlet and a sixth air outlet, and the main shell is provided with a middle cavity, a suction cavity and an exhalation cavity. The suction unit is rotationally assembled in the suction cavity and provided with a suction inlet and a plurality of suction outlets of different sizes, the corresponding outlets are selected to be communicated with the middle air inlet hole during rotation, and a first one-way valve is arranged in the suction unit. The exhalation unit is rotationally assembled in the exhalation cavity and provided with an exhalation outlet and a plurality of exhalation inlets of different sizes, the corresponding inlet is selected to communicate with the middle air outlet during rotation, and a second one-way valve is arranged in the exhalation unit; and the mouthpiece is detachably mounted at the opening of the middle cavity. Inhaling resistance and exhaling resistance are adjusted through rotation, multi-stage accurate control is achieved, the structure is compact, and the size is small; a ball plunger positioning mechanism is adopted to provide touch feedback, so that misoperation is prevented; the mouthpiece is detachable and convenient to clean, the sanitation is improved, and the precise rehabilitation training requirement is met.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to a compact breathing trainer. Background Technology

[0002] As an important auxiliary tool for pulmonary function rehabilitation and exercise training, the accuracy of resistance adjustment and the portability of the breathing trainer directly affect the training effect. The breathing trainer disclosed in Chinese utility model patent CN112891858B uses a threaded stepless adjustment method, changing the airflow passage area to adjust resistance by rotating the valve cover. However, this structure has significant drawbacks: firstly, the threaded adjustment lacks clear level markings, making it difficult to accurately control the resistance level during training, especially for rehabilitation patients, where stepless adjustment can easily lead to uncontrolled training intensity; secondly, the device is bulky, resulting in poor carrying and holding comfort.

[0003] Therefore, there is an urgent need to develop a breathing training device with clear gear positions, a compact structure, and the ability to stably maintain multiple levels of resistance to meet the needs of precise and portable clinical and sports training. Utility Model Content

[0004] In order to overcome the above-mentioned defects of existing breathing trainers, this invention provides a compact breathing trainer.

[0005] The technical solution adopted in this utility model is as follows: A compact breathing trainer includes: a main shell having a middle cavity, an inhalation cavity, and an exhalation cavity, wherein a middle air inlet is provided between the inhalation cavity and the middle cavity, and a middle air outlet is provided between the middle cavity and the exhalation cavity; an inhalation unit rotatably assembled in the inhalation cavity, having an inhalation inlet and several inhalation outlets of different sizes, wherein when the inhalation unit rotates, any one of the inhalation outlets is aligned with and connected to the middle air inlet, and a first one-way valve is provided inside from the inhalation inlet to the inhalation outlet; an exhalation unit rotatably assembled in the exhalation cavity, having an exhalation outlet and several exhalation inlets of different sizes, wherein when the exhalation unit rotates, any one of the exhalation inlets is aligned with and connected to the middle air outlet, and a second one-way valve is provided inside from the exhalation inlet to the exhalation outlet; and a mouthpiece detachably installed at the opening of the middle cavity, having a breathing port communicating with the middle cavity.

[0006] Preferably, the inhalation unit includes: a first adjusting cover, rotatably mounted in the inhalation chamber, with a plurality of inhalation outlets arranged on the inner end plate of the first adjusting cover in a circumferentially uniform arrangement along the rotation center of the first adjusting cover; a first knob, integrally mounted with the first adjusting cover, forming an installation space for the first one-way valve, with the inhalation inlet located at the outer end of the first knob; and an elastic first limiting member, installed inside the first knob, with a plurality of first limiting notches corresponding one-to-one with the inhalation outlets on the inner wall of the inhalation chamber, wherein when the first knob is rotated, the first limiting member engages with any of the first limiting notches. The exhalation unit comprises: a second adjusting cover, rotatably mounted in the exhalation chamber, with a plurality of exhalation inlets arranged on the inner end plate of the second adjusting cover in a circumferentially uniform arrangement along the rotation center of the second adjusting cover; a second knob, integrally mounted with the second adjusting cover, forming an installation space for the second one-way valve inside, with the exhalation outlet located at the outer end of the second knob; and an elastic second limiting member, installed inside the second knob, with a plurality of second limiting notches corresponding one-to-one with the exhalation inlets on the inner wall of the exhalation chamber, wherein when the second knob is rotated, the second limiting member engages with any of the second limiting notches.

[0007] Preferably, the main shell is a two-half-shell assembly structure.

[0008] Preferably, the inhalation chamber and the exhalation chamber are symmetrically arranged with respect to the intermediate chamber, and the inhalation unit and the exhalation unit are symmetrically arranged with respect to the main housing.

[0009] Preferably, the first check valve and the second check valve are diaphragm valves.

[0010] Preferably, the first limiting member and the second limiting member are ball-head plungers, which are respectively assembled in the first knob and the second knob.

[0011] Preferably, both the inhalation outlet and the exhalation inlet have six circular holes, with the diameter increasing sequentially along the circumference.

[0012] Preferably, the first adjusting cover is provided with a first sealing rib in the circumferential direction, and the second adjusting cover is provided with a second sealing rib in the circumferential direction.

[0013] This utility model has the following beneficial effects:

[0014] 1. Precise graded adjustment: Through the diameter gradient through-hole array set in the inhalation unit and the exhalation unit respectively, combined with the positioning mechanism of the ball plunger and the limiting notch, six levels of precise control of inhalation / exhalation resistance can be achieved. The adjustment error rate is small. Compared with the traditional stepless adjustment device, it significantly improves the controllability of training parameters, and is especially suitable for rehabilitation therapy that requires precise incremental increase of training intensity.

[0015] 2. Modular and compact structure: The symmetrically distributed inhalation and exhalation chambers are integrated into the main housing. Dynamic sealing between rotating parts is achieved through the first and second sealing ribs. A diaphragm-type one-way valve is used to reduce the overall thickness. While maintaining airtightness, the overall size of the machine is reduced compared to similar products, making it suitable for one-handed operation.

[0016] 3. Anti-misoperation design: The inhalation unit and exhalation unit adopt independent rotation control, and with the ball plunger positioning mechanism with tactile feedback, each rotation to switch gears produces a clear "click" sound and vibration feedback, avoiding the problem of accidental displacement caused by traditional threaded adjustment devices;

[0017] 4. Hygienic and convenient: The bite piece is detachably connected to the main housing with a snap-fit ​​design, which is suitable for high-temperature sterilization of the bite piece and also makes it convenient to use the bite piece as a consumable. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the external appearance of an embodiment of the present utility model.

[0019] Figure 2 This is a cross-sectional schematic diagram of an embodiment of the present utility model.

[0020] Figure 3 This is a schematic diagram of one half of the main housing in an embodiment of this utility model.

[0021] Figure 4 This is an assembly diagram of the inhalation unit in an embodiment of this utility model.

[0022] Figure 5 This is an assembly diagram of the call-out unit in an embodiment of this utility model.

[0023] Figure 6 This is a schematic diagram illustrating the working principle of the first limiting member in this embodiment of the utility model.

[0024] Figure 7 This is a schematic diagram of the structure of the first adjusting cover in an embodiment of this utility model.

[0025] Main shell 1, intermediate cavity 101, inhalation cavity 102, exhalation cavity 103, intermediate air inlet 104, intermediate air outlet 105, first limiting notch 106, second limiting notch 107;

[0026] Inhalation unit 2, inhalation inlet 201, inhalation outlet 202, first one-way valve 203, first adjusting cover 204, first knob 205, first limiting member 206, first sealing rib 207;

[0027] Call-out unit 3, call-out outlet 301, call-out inlet 302, second one-way valve 303, second adjusting cover 304, second knob 305, second limiting member 306, second sealing rib 307;

[0028] Mouthpiece 4, Breathing port 401. Detailed Implementation

[0029] The present invention will be further described below with reference to the embodiments and accompanying drawings.

[0030] In the embodiments, such as Figure 1 , Figure 2 As shown, a compact breathing trainer includes: a main housing 1 having a central cavity 101, an inhalation cavity 102, and an exhalation cavity 103; a central air inlet 104 is provided between the inhalation cavity 102 and the central cavity 101; and a central air outlet 105 is provided between the central cavity 101 and the exhalation cavity 103; an inhalation unit 2 is rotatably assembled in the inhalation cavity 102, having an inhalation inlet 201 and several inhalation outlets 202 of different sizes; when the inhalation unit 2 rotates, any one of the inhalation outlets 202 aligns with and connects to the central air inlet 104. The device includes a first one-way valve 203 extending from the inhalation inlet 201 to the inhalation outlet 202. An exhalation unit 3 is rotatably mounted in the exhalation chamber 103, having an exhalation outlet 301 and several exhalation inlets 302 of different sizes. When the exhalation unit 3 rotates, any one of the exhalation inlets 302 aligns with and connects to the intermediate air outlet 105. A second one-way valve 303 extending from the exhalation inlet 302 to the exhalation outlet 301 is also included. A mouthpiece 4 is detachably mounted at the opening of the intermediate chamber 101 and has a breathing port 401 communicating with the intermediate chamber 101. This embodiment achieves multi-level precise control of inhalation / exhalation resistance by rotating the inhalation unit 2 and the exhalation unit 3, resulting in a small adjustment error rate. Compared to traditional stepless adjustment devices, it significantly improves the controllability of training parameters, making it particularly suitable for rehabilitation treatments requiring precise incremental increases in training intensity.

[0031] In the embodiments, such as Figure 4 , Figure 6 , Figure 7As shown, the suction unit 2 includes: a first adjusting cover 204 rotatably mounted in the suction chamber 102; six suction outlets 202 with increasing diameters evenly arranged along the circumference of the inner end plate of the first adjusting cover 204; a first knob 205 integrally mounted with the first adjusting cover 204, forming an installation space for the first one-way valve 203; a suction inlet 201 located at the outer end of the first knob 205; and an elastic first limiting member 206 installed inside the first knob 205. The inner wall of the suction chamber 102 has six first limiting notches 106, and when the first knob 205 rotates, the first limiting member 206 engages with any one of the first limiting notches 106. The first adjusting cover 204 and the first knob 205 have a circumferential limiting structure to ensure accurate correspondence between the six suction outlets 202 with increasing diameters and the six first limiting notches 106. The first knob 205 has a recessed mounting groove for fixing the first limiting member 206. This structure allows for switching of one gear every 60° rotation, ensuring precise operation.

[0032] In the embodiments, such as Figure 5 As shown, the exhalation unit 3 includes: a second adjusting cover 304 rotatably mounted in the exhalation chamber 103; six exhalation inlets 302 with increasing diameters evenly arranged along the circumference of the inner end plate of the second adjusting cover 304; a second knob 305 integrally assembled with the second adjusting cover 304, forming an installation space for the second one-way valve 303; and an exhalation outlet 301 located at the outer end of the second knob 305; a flexible second limiting member 306 installed inside the second knob 305; and six second limiting notches 107 provided on the inner wall of the exhalation chamber 103, wherein the second limiting member 306 engages with any one of the second limiting notches 107 when the second knob 305 is rotated. Except that the installation direction of the second one-way valve 303 is opposite to that of the first one-way valve 203, the overall structure of the exhalation unit 3 is basically the same as that of the inhalation unit 2.

[0033] In the embodiments, such as Figure 3 As shown, the main housing 1 is an assembly of two half-shells, injection molded from medical-grade ABS material and connected together by welding or screws. The inhalation chamber 102 and the exhalation chamber 103 are symmetrically arranged with respect to the intermediate chamber 101, and the inhalation unit 2 and the exhalation unit 3 are symmetrically arranged with respect to the main housing 1, so that the airflow path is symmetrically distributed, reducing turbulence and pressure loss.

[0034] In the embodiments, such as Figure 4 , Figure 5 As shown, the first one-way valve 203 and the second one-way valve 303 are silicone diaphragm valves, which effectively prevent airflow backflow and reduce the overall thickness of the valve body. The first adjusting cover 204 is provided with a first sealing rib 207 around its circumference, and the second adjusting cover 304 is provided with a second sealing rib 307 around its circumference, forming a seal with the inner wall of the corresponding cavity to reduce leakage.

[0035] In the embodiments, such as Figure 7As shown, the first limiting member 206 and the second limiting member 306 adopt ball-head plungers, which produce a distinct "click" sound when they cooperate with the limiting notch, providing clear gear sound and tactile feedback to prevent misoperation.

[0036] In the embodiments, such as Figure 4 , Figure 5 As shown, both the inhalation outlet 202 and the exhalation inlet 302 have six round holes, with each level increasing to meet the training needs of all age groups and different physical conditions, from children to adults.

[0037] Obviously, the above embodiments of this utility model are merely examples for illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Other obvious variations or modifications derived from the essential spirit of the present utility model still fall within the protection scope of the present utility model.

Claims

1. A compact breathing trainer, characterized in that, include: The main housing (1) has an intermediate cavity (101), an inhalation cavity (102) and an exhalation cavity (103). An intermediate air inlet (104) is provided between the inhalation cavity (102) and the intermediate cavity (101), and an intermediate air outlet (105) is provided between the intermediate cavity (101) and the exhalation cavity (103). The suction unit (2) is rotatably assembled in the suction chamber (102) and has a suction inlet (201) and several suction outlets (202) of different sizes. When the suction unit (2) rotates, any of the suction outlets (202) is aligned with and connected to the intermediate air inlet (104). A first one-way valve (203) is provided inside the suction inlet (201) to the suction outlet (202). The exhalation unit (3) is rotatably assembled in the exhalation chamber (103) and has an exhalation outlet (301) and several exhalation inlets (302) of different sizes. When the exhalation unit (3) rotates, any of the exhalation inlets (302) is aligned with and connected to the intermediate air outlet (105). A second one-way valve (303) is provided inside from the exhalation inlet (302) to the exhalation outlet (301). The mouthpiece (4) is detachably installed at the opening of the intermediate cavity (101) and has a breathing port (401) communicating with the intermediate cavity (101).

2. The compact breathing trainer according to claim 1, characterized in that, The inhalation unit (2) includes: The first adjustment cover (204) is rotatably assembled in the suction chamber (102), and a plurality of the suction outlets (202) are arranged on the inner end plate of the first adjustment cover (204) in a circumferentially uniform arrangement along the rotation center of the first adjustment cover (204). The first knob (205) is assembled with the first adjustment cover (204) as a whole, and the interior forms the installation space for the first one-way valve (203). The suction inlet (201) is located at the outer end of the first knob (205). An elastic first limiting member (206) is installed inside the first knob (205). The inner wall of the suction chamber (102) is provided with a plurality of first limiting notches (106) corresponding one-to-one with the suction outlet (202). When the first knob (205) is rotated, the first limiting member (206) cooperates with any of the first limiting notches (106). The calling unit (3) includes: The second adjustment cover (304) is rotatably assembled in the exhalation chamber (103), and a plurality of the exhalation inlets (302) are arranged on the inner end plate of the second adjustment cover (304) in a circumferentially uniform arrangement along the rotation center of the second adjustment cover (304). The second knob (305) is assembled with the second adjustment cover (304) as a whole, and forms an installation space for the second one-way valve (303) inside. The exhalation outlet (301) is located at the outer end of the second knob (305). The elastic second limiting member (306) is installed in the second knob (305). The inner wall of the exhalation chamber (103) is provided with a plurality of second limiting notches (107) corresponding one-to-one with the exhalation inlet (302). When the second knob (305) is rotated, the second limiting member (306) cooperates with any of the second limiting notches (107).

3. The compact breathing trainer according to claim 1 or 2, characterized in that, The main shell (1) is a two-half-shell assembly structure.

4. The compact breathing trainer according to claim 1 or 2, characterized in that, The inhalation chamber (102) and the exhalation chamber (103) are symmetrically arranged relative to the intermediate chamber (101), and the inhalation unit (2) and the exhalation unit (3) are symmetrically arranged relative to the main housing (1).

5. The compact breathing trainer according to claim 1 or 2, characterized in that, The first check valve (203) and the second check valve (303) are diaphragm valves.

6. The compact breathing trainer according to claim 2, characterized in that, The first limiting member (206) and the second limiting member (306) are ball-head plungers, respectively assembled in the first knob (205) and the second knob (305).

7. The compact breathing trainer according to claim 2, characterized in that, Both the inhalation outlet (202) and the exhalation inlet (302) have six circular holes, and their diameters increase sequentially along the circumference.

8. The compact breathing trainer according to claim 2, characterized in that, The first adjusting cover (204) is provided with a first sealing rib (207) in the circumferential direction, and the second adjusting cover (304) is provided with a second sealing rib (307) in the circumferential direction.

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