Handheld breathing guiding device

Abstract

The utility model discloses a handheld breathing guiding device which comprises an air bag and an inflation and deflation assembly. The inflating and deflating assembly is used for periodically inflating and deflating the air bag through the inflating passage and the deflating passage, so that the air bag is periodically deformed to guide a user to adjust breathing; the inflation and deflation assembly is provided with an adjustable gas saving assembly in an exhaust passage, and the adjustable gas saving assembly is used for adjusting the exhaust time of an air bag so as to accurately simulate different use scenes or specific expiration rhythms of different individual users. The gas saving assembly is of a piston structure and comprises a valve sleeve and a valve element, and a throttling channel is formed between the valve sleeve and the valve element. When the valve sleeve and the valve element move from a first relative position to a second relative position through separation movement, the overflowing area of the throttling channel is gradually increased, and the exhaust time of the air bag is shortened; when the valve sleeve and the valve element move from the second relative position to the first relative position through opposite movement, the overflowing area of the throttling channel is gradually reduced, and the exhaust time of the air bag is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a breathing auxiliary equipment field especially relates to a hand -held breathing guider. BACKGROUND

[0002] At present, the instrument for breathing guidance on the market mainly takes breathing auxiliary device as the main, and this kind of product is bulky, heavy, and inconvenient to carry. At the same time, there are also some hand -held breathing guidance instruments, which bring the user's auditory, visual or tactile perception through sound, light signal or structural deformation to guide the user to adjust breathing. But in the noisy environment, the sound signal is easy to be disturbed, and when the user closes his eyes and rests, the light signal is not perceived, and the traditional mechanical structure is hard, the motor is blocked, the noise is large, and the shell telescopic mode is single, so the use is inconvenient.

[0003] Chinese patent CN118142062A discloses a breathing guidance device, which wears the gas charging and discharging assembly and the air bag on the user's hand through the glove, and brings the user's tactile change through the certain working air volume and frequency to the air bag, so as to guide the user to adjust breathing. The technical scheme solves the above-mentioned problems to some extent, but the breathing guidance device lacks the exhaust adjusting function, so that the exhaust time of the air bag and the exhale time in the breathing guidance are not matched. UTILITY MODEL CONTENTS

[0004] The main technical problem to be solved by the utility model is to provide a hand -held breathing guider, which delays the exhaust time of the air bag on the basis of using the gas charging and discharging air bag to guide the user to breathe, so as to accurately simulate the user's exhale rhythm.

[0005] In order to solve the above technical problems, the utility model provides a hand -held breathing guider, which comprises an air bag and a gas charging and discharging assembly.

[0006] The gas charging and discharging assembly is provided with an adjustable throttle component in the exhaust passage, and the throttle component is used to prolong the exhaust time of the air bag.

[0007] In a preferred embodiment: the throttle component is a throttle valve, which comprises a valve sleeve and a valve core, and a throttling channel is constructed between the valve sleeve and the valve core.

[0008] The valve sleeve and the valve core can move relatively, when the valve sleeve and the valve core move from the first relative position to the second relative position, the flow area of the throttling channel gradually increases, and vice versa, when the valve sleeve and the valve core move from the second relative position to the first relative position, the flow area of the throttling channel gradually decreases.

[0009] In a preferred embodiment, the throttle valve is a piston structure.

[0010] The valve sleeve comprises a side wall and a first end face, and is configured as a cup structure through the side wall and the first end face; one side of the valve core is sealingly connected to the inner surface of the side wall of the valve sleeve, and moves relative to the valve sleeve or remains relatively static along the axial direction.

[0011] In a preferred embodiment, when the valve sleeve and the valve core move from the first relative position to the second relative position, the first end face and the valve core move away from each other; when the valve sleeve and the valve core move from the second relative position to the first relative position, the first end face and the valve core move towards each other.

[0012] In a preferred embodiment, the valve core is provided with a clearance passage along the axial direction; the clearance passage is configured with a first gas port at one end of the valve core and a second gas port at the other end of the valve core; the second gas port is closer to the first end face than the first gas port.

[0013] The valve sleeve is provided with at least one clearance through hole; the communication area between the first gas port and the clearance through hole is the throttling passage.

[0014] In a preferred embodiment, the clearance through hole is located on the first end face, and is misaligned with the projection of the second gas port on the first end face.

[0015] In a preferred embodiment, when the valve sleeve and the valve core are in the first relative position, the valve core abuts against the first end face.

[0016] The first end face is provided with at least one groove on the side facing the valve core, one end of the groove communicates with the clearance passage, and the other end communicates with the clearance through hole.

[0017] In a preferred embodiment, the first end face is provided with a counterbore corresponding to the position of the second gas port, and the edge of the counterbore communicates with the groove.

[0018] In a preferred embodiment, the side wall of the valve sleeve is threadedly connected with the valve core.

[0019] In a preferred embodiment, the throttle assembly is a throttle valve, comprising a valve sleeve and a valve core, the valve core is provided with a throttle flow passage on the side facing the valve sleeve, the end of the valve core away from the valve sleeve is an air inlet, and the valve sleeve is provided with an air outlet.

[0020] In a preferred embodiment, the throttle flow passage is an annular flow passage communicating with the air inlet.

[0021] In a preferred embodiment, the valve core and the valve sleeve are fastened and matched by a sealing ring.

[0022] In a preferred embodiment, the air intake assembly comprises an air intake plug and an air intake base, the air intake plug is internally provided with an air intake channel, the air intake base is provided with an opening for inserting the air intake plug, and an air outlet communicating with the opening.

[0023] In a preferred embodiment, the air outlet is in the shape of a horn, and the side with a larger opening faces the air intake base.

[0024] In a preferred embodiment, the air charging and discharging assembly further comprises an air pump and a solenoid valve.

[0025] The solenoid valve is provided with an open air inlet, an air outlet and a normally open air outlet; inside the solenoid valve, the air inlet and the normally open air outlet communicate to form an air charging channel, and the air outlet and the normally open air outlet communicate to form an air discharging channel; the air intake assembly opens at most one of the air charging channel or the air discharging channel at the same time.

[0026] The air pump is connected with the air inlet, the air intake assembly is connected with the air outlet, and the air bag is connected with the normally open air outlet.

[0027] In a preferred embodiment, at least one layer of sponge is wrapped on the side of the air bag facing the user.

[0028] In a preferred embodiment, the breathing guide is wrapped with an elastic cover on the outermost side, and the surface of the elastic cover is provided with a decorative waistline, which is positioned opposite to the fingers or the thenar eminence and the like, so as to provide auxiliary positioning when the user holds the breathing guide.

[0029] Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

[0030] The hand-held breathing guide provided by the utility model is provided with an air intake assembly on the air discharging passage, the air discharging time of the air bag is prolonged through the throttling channel in the air intake assembly, so that the rhythm of the air bag during air discharging and the real exhaling rhythm can be more consistent.

[0031] The hand-held breathing guide provided by the utility model is provided with a sponge and an elastic cover outside the air bag, which not only provides a soft and comfortable holding surface for the user, but also absorbs the noise generated when the air charging and discharging assembly works to a certain extent.

[0032] The hand-held breathing guide provided by the utility model is provided with a decorative waistline conforming to ergonomics on the surface of the elastic cover, which provides auxiliary positioning when the user holds the hand-held breathing guide.

[0033] The handheld breathing guider provided by the utility model is provided with counterbores, grooves and other structures in the air regulating assembly, effectively slows down the gas flow rate, thereby reducing the noise of the handheld breathing guider in the minimum overcurrent state.

[0034] The handheld breathing guider provided by the utility model has simple component structure and is convenient to install. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 It is an exploded view of the handheld breathing guider in the preferred embodiment 1 of the utility model;

[0036] Figure 2 It is a connection schematic view of the gas charging and discharging assembly in the preferred embodiment 1 of the utility model;

[0037] Figure 3 It is a three-dimensional schematic view of the air regulating assembly in the preferred embodiment 1 of the utility model;

[0038] Figure 4 It is a plane schematic view of the adjusting nut in the preferred embodiment 1 of the utility model, wherein Figure 4 -A is a front view, Figure 4 -B is a side sectional view;

[0039] Figure 5 It is a plane schematic view of the adjusting stud in the preferred embodiment 1 of the utility model, wherein Figure 5 -A is a front view, Figure 5 -B is a side sectional view;

[0040] Figure 6 It is a side sectional view of the air regulating assembly in the preferred embodiment 1 of the utility model, wherein Figure 6 -A is a side sectional view of the air regulating assembly in the first relative position, Figure 6 -B is a side sectional view of the air regulating assembly in the second relative position

[0041] Figure 7 It is a schematic view of the air regulating assembly in the preferred embodiment 2 of the utility model;

[0042] Figure 8 It is a schematic view of the air regulating assembly in the preferred embodiment 3 of the utility model. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model; obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0044] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model 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 utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0045] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed", "equipped with", "sleeved / connected", "connected", etc., should be interpreted broadly. For example, "connection" can be a wall-mounted connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0046] like Figures 1-6 As shown, this embodiment provides a handheld breathing guide, including a protective assembly, an airbag 6, a circuit assembly, and an inflation / deflation assembly. The protective assembly includes a plastic upper shell 1, a plastic lower shell 2, a plastic bottom cover 33, a sponge 4, and a silicone outer shell 5; the circuit assembly includes a button circuit board 7, a control circuit board 8, a lithium battery 9, and a charging circuit board 10; the inflation / deflation assembly includes a miniature air pump 11, a solenoid valve 12, a throttling assembly 13, and an air tube 14. It is understood that in this embodiment, the elastic outer shell is the silicone outer shell 5, and the air pump is the miniature air pump 11.

[0047] As shown in the figure, the plastic upper shell 1, the plastic lower shell 2 and the plastic bottom cover 33 enclose a closed accommodation cavity for installing the air charging and discharging assembly and the circuit assembly. For the convenience of the following description, the side of the plastic upper shell 1, the plastic lower shell 2 and the plastic bottom cover 33 facing the accommodation cavity is defined as the inner side, and the side away from the accommodation cavity is defined as the outer side. Specifically, the key circuit board 7 and the control circuit board 8 are both fixed to the inner side of the plastic upper shell 1. The inner side of the plastic lower shell 2 is provided with a first mounting groove 21 for installing the micro air pump 11 and the electromagnetic valve 12, and a first mounting groove 22 for installing the lithium battery 9. The outer side of the plastic lower shell 2 is provided with a third mounting groove recessed downward, which is buckled with the first mounting member 61 provided on the surface of the air bag 6 to fix the air bag 6 on the outer side of the plastic lower shell 2. The charging circuit board 10 is installed on the inner side of the plastic bottom cover 33. The charging circuit board 10 is provided with a charging connector, and the plastic bottom cover 33 is provided with an accommodation opening at the position corresponding to the charging connector to enable the charging wire to be connected with the charging connector. As shown in the figure, the plastic upper shell 1 and the plastic lower shell 2 are connected and closed by screws, and the plastic bottom cover 33 and the plastic upper shell 1 are connected and closed by screws. The connection mode is a conventional device part connection mode in the technical field, which will not be described herein.

[0048] The air bag 6 is installed on the outer side of the plastic lower shell 2, and at least one layer of the sponge 4 is wrapped on the side of the air bag 6 away from the plastic lower shell 2. The silica gel cover 5 is sleeved on the surface of the plastic upper shell 1 and the sponge 4 to provide a protective effect for the plastic upper shell 1 and the air bag 6. The silica gel cover 5 cooperates with the sponge 4 to not only provide a soft and comfortable holding surface for the user, but also absorb the noise generated when the air charging and discharging assembly works to a certain extent. Figure 1 As shown in the figure, the silica gel cover 5 is provided with a first opening 51 to expose the charging connector of the charging circuit board 10. At the same time, the silica gel cover 5 can be conveniently installed or removed on the surface of the breathing director by the first opening 51 by using the flexibility and elasticity of the material itself.

[0049] The above is the spatial connection relationship of the breathing director. The following describes the circuit connection and air path connection of the breathing director.

[0050] The key circuit board 7 is provided with a pressure feedback device 71 and an indicator light 72. The plastic upper shell 1 is provided with a self-recovery operation surface 1-1 at a position corresponding to the pressure feedback device 71 for user interaction. The plastic upper shell 1 is also provided with a through hole 1-2 at a position corresponding to the indicator light 72 to feedback the current working mode of the breathing guide and the power information to the user. Correspondingly, the silica gel cover 5 is provided with a circular second opening 54 at a corresponding position to expose the operation surface 1-1 and the through hole 1-2. The key circuit board 7 is connected with the control circuit board 8, and the control circuit board 8 is connected with the micro air pump 11 and the electromagnetic valve 12. The key circuit board 7 converts the pressing operation from the user into a first electric signal and transmits it to the control circuit board 8. The control circuit board 8 switches between multiple programs built-in after receiving the first electric signal. Then the control circuit board 8 transmits a specific second electric signal to the micro air pump 11 and a specific third electric signal to the electromagnetic valve 12 according to the program selected by the user, controls the micro air pump 11 and the electromagnetic valve 12 to inflate and deflate the air bag 6 with specific power and period to adapt to the different needs of the user for the breathing guide frequency and depth in different use scenarios such as sleep, exercise, and recovery after exercise, or the different needs of different users in the same use scenario.

[0051] In the inflation and deflation assembly, the micro air pump 11 and the electromagnetic valve 12 are electric devices, and therefore are connected with the lithium battery 9. As shown in the figure, the air bag 6 is provided with a terminal air port 62 on the first mounting member 61 to communicate the internal and external space of the air bag 6; the micro air pump 11 is provided with a gas inlet port 111; the electromagnetic valve 12 is provided with an air inlet port 121, an air outlet port 122 and a normally open air port 123. Outside the electromagnetic valve 12, the air inlet port 121 is connected with the gas inlet port 111 through a first air pipe 141, and the normally open air port 123 is connected with the terminal air port 62 through a second air pipe 142. Inside the electromagnetic valve 12, the air inlet port 121 and the normally open air port 123 are provided with an inflation passage, and the air outlet port 122 and the normally open air port 123 are provided with a deflation passage.

[0052] The micro air pump 11 is periodically opened or closed under the control of the second electric signal. Meanwhile, the electromagnetic valve 12 is periodically opened to the gas inlet channel or the gas outlet channel under the control of the third electric signal. When the micro air pump 11 is opened, the gas inlet channel is opened and the gas outlet channel is closed, the micro air pump 11, the first air pipe 141, the electromagnetic valve 12 and the second air pipe 142 combine to form a gas inlet channel, the gas driven by the micro air pump 11 passes through the gas inlet port 111, the gas inlet port 121, the normally open gas port 123 and the terminal gas port 62 respectively, and reaches the inside of the air bag 6. When the micro air pump 11 is closed, the gas outlet channel is opened and the gas inlet channel is closed at the same time, the second air pipe 142 and the electromagnetic valve 12 combine to form a gas outlet channel, the elastic restoring force accumulated by the air bag 6 due to inflation drives the gas inside the air bag 6 to pass through the terminal gas port 62, the normally open gas port 123 and the gas outlet port 122 respectively, and the air bag 6 is automatically deflated. Then the micro air pump 11 and the gas inlet channel are opened again, the gas charging and discharging assembly enters the next gas charging and discharging cycle, and the cycle is repeated. The micro air pump 11 and the electromagnetic valve 12 cooperate to periodically charge and discharge the air bag 6, so that the air bag 6 deforms periodically, thereby changing the touch of the user and guiding the user to adjust the breathing.

[0053] From the perspective of human perception, the periodic elastic deformation of the air bag 6 simulates the expansion and contraction of the human lung during breathing. When the air bag 6 is inflated, it guides the user to subconsciously inhale; when the air bag 6 is deflated, it guides the user to exhale.

[0054] As mentioned above, the breathing frequency and depth simulated by the breathing guide should be different for different use scenarios or different users. Without the installation of the adjusting device, if the deformation amount of the airbag 6 is fixed, the automatic exhaust time is also fixed. This means that the breathing guide has a fixed frequency of guiding the user to exhale, regardless of the inflation rate, as long as the inflation amount is unchanged. From another perspective, when the human body takes a deep breath, the inhalation and exhalation cycle is longer, and the breathing depth is deeper. For the breathing guide without the installation of the exhaust adjusting device, the characteristics of long inhalation time and deep breathing depth of the human body during deep breathing can be simulated by maintaining a certain power and prolonging the inflation time. However, the more obvious the inflation of the airbag 6, the greater the squeezing force of the gas. Without intervention, the automatic exhaust time has a non-linear growth relationship with the inflation amount of the airbag 6. Therefore, although the inflation is slow, the exhaust is still fast, which does not match the breathing rhythm of the human body during deep breathing. Therefore, the breathing guide is provided with an adjustable throttle component 13 in the exhaust passage to adjust the exhaust time according to different use scenarios or individual users, so as to accurately simulate the breathing rhythm.

[0055] As shown in the figure, the throttle component 13 is arranged in the downstream direction of the exhaust port 122 and connected with the exhaust port 122 through a third air pipe 143. As shown in the figure, the throttle component 13 is a threaded piston structure, including an adjusting nut 131 and an adjusting stud 132, that is, in this embodiment, the valve sleeve is specifically the adjusting nut 131, and the valve core is specifically the adjusting stud 132. The adjusting nut 131 includes a side wall 1311 and a first end face 1312, and the side wall 1311 and the first end face 1312 jointly constitute a cup-shaped structure. The inner surface of the side wall 1311 is provided with a thread. Correspondingly, the adjusting stud 132 is also provided with a thread on the surface, and the outer diameter of the adjusting stud 132 is equal to the inner diameter of the adjusting nut 131. In this way, the adjusting nut 131 and the adjusting stud 132 are connected in airtight connection through thread cooperation, and can move relatively along the axis direction or remain in a stable static state. In order to facilitate the user to operate the throttle component 13, at least one of the outer periphery of the adjusting nut 131 or the adjusting stud 132 is polygonal. In this embodiment, since the adjusting stud 132 is connected with the third air pipe 143, the outer periphery of the adjusting nut 131 is selected to be polygonal.

[0056] For those skilled in the art, there are many ways to achieve the sealing and movable connection between the valve sleeve and the valve core. As an equivalent alternative of the embodiment, in other embodiments, the valve sleeve and the valve core can be sealingly and movably connected by a rubber piston or a buckle assembly, which can also achieve the relative movement or stable static state between the valve sleeve and the valve core in the axial direction.

[0057] The adjusting screw 132 is provided with a clearance passage 1323 in the axial direction for gas to pass through. The clearance passage 1323 is configured with a first gas port 1321 at one end of the valve core and a second gas port 1322 at the other end, and the second gas port 1322 is closer to the first end surface 1312 of the adjusting nut 131 than the first gas port 1321. For the convenience of description, the cavity between the end where the second gas port 1322 is located and the first end surface 1312 is defined as the first gas chamber 133. The adjusting nut 131 is provided with a clearance hole 1313 on the first end surface 1312, and the clearance hole 1313 is misaligned with the projection of the second gas port 1322 on the first end surface 1312. The communication area between the first gas port 1321 and the clearance hole 1313 is the passage of the gas in the throttle assembly 13, i.e. the throttling passage. As can be seen from the figure, the throttling passage includes the clearance passage 1323, the first gas chamber 133 and the clearance hole 1313. In the embodiment, the throttle assembly 13 is arranged in the downstream direction of the exhaust port 122, and the first gas port 1321 is connected with the exhaust port 122 through the third gas pipe 143. When the gas comes out of the exhaust port 122 and flows through the third gas pipe 143, it successively passes through the first gas port 1321, the clearance passage 1323, the second gas port 1322, the first gas chamber 133 and the clearance hole 1313, and is finally discharged.

[0058] As shown in the figure, when the adjusting nut 131 and the adjusting stud 132 are in the first relative position, the end face where the second gas port 1322 is located is in abutment with the first end face 1312. In order to enable the air flow to be discharged at the set rate in this state, a counterbore 1314 and a slot 1315 are arranged on the side of the first end face 1312 facing the adjusting stud 132. The counterbore 1314 is arranged at the position corresponding to the second gas port 1322, and can slow down the gas coming from the clearance passage 1323. The slot 1315 is arranged in an arc shape to throttle the gas passing through, and the cross-sectional area of the slot 1315 is arranged to be a value suitable for the set rate. One end of the slot 1315 is in communication with the edge of the counterbore 1314, and the other end is in communication with the clearance through hole 1313. Therefore, when the adjusting nut 131 and the adjusting stud 132 are in the first relative position, the gas coming from the clearance passage 1323 is slowed down after colliding with the counterbore 1314, and then is divided into the slot 1315 to be discharged at the set rate from the clearance through hole 1313. In this state, the exhaust time of the exhaust passage is the longest. The counterbore 1314 and the slot 1315 slow down the gas flowing through the air flow guide assembly 13 multiple times, effectively reducing the noise of the air flow guide in the minimum flow state.

[0059] As a simple alternative of the embodiment, the threaded section on the side wall 1311 of the adjusting nut 131 does not extend to the edge of the first end face 1312, i.e. a certain distance is reserved between the threaded section and the first end face 1312. When the adjusting nut 131 and the adjusting stud 132 are in the first relative position, the adjusting nut 131 and the stud are not in abutment, but cannot continue to move towards each other through threaded connection. At this time, there is a minimum distance between the end face where the second gas port 1322 is located and the first end face 1312, i.e. the first gas chamber 133 has a minimum thickness in the axial direction. The first end face 1312 is not provided with the counterbore 1314 and the slot 1315. After the gas passes through the clearance passage 1323, it is throttled in the first gas chamber 133, and flows out from the clearance through hole 1313 at the set flow rate.

[0060] When the adjusting nut 131 is rotated to move away from the adjusting stud 132 from the first relative position, the flow area of the throttling passage in the throttle assembly 13 gradually increases, and the exhaust time of the exhaust passage gradually shortens. Specifically, during the movement, the distance between the second air port 1322 and the first end surface 1312 gradually increases, so that the area of a vertical surface between the profile line of the second air port 1322 and the first end surface 1312 gradually increases, which determines that the flow area of the throttling passage gradually increases. When the adjusting nut 131 is continuously moved away from the adjusting stud 132 until the second relative position is reached, the area of the vertical surface is equal to the smaller one of the area of the second air port 1322 or the total area of the accommodation through hole 1313, at which time the flow area of the throttling passage reaches the maximum, and the exhaust time of the exhaust passage is the shortest. If the adjusting nut 131 is continuously rotated to move away from the adjusting stud 132, the flow area of the throttling passage remains unchanged, and accordingly the exhaust time of the exhaust passage also remains unchanged. Similarly, during the movement of the adjusting nut 131 and the adjusting stud 132 from the second relative position to the first position by moving towards each other, the distance between the second air port 1322 and the first end surface 1312 gradually decreases, so that the flow area of the throttling passage gradually decreases, and the exhaust time of the exhaust passage gradually lengthens.

[0061] As a simple alternative of the present embodiment, in other embodiments, an accommodation through groove can be provided on the side wall 1311 of the adjusting nut 131 in the axial direction to connect the first air chamber 133 with the external space, and the accommodation through hole 1313, the counterbore 1314 and the groove 1315 are not provided on the first end surface 1312. The flow area of the throttling passage is controlled by the communication area between the accommodation through groove and the first air chamber 133. When the adjusting nut 131 and the adjusting stud 132 are in the first relative position, the communication area between the first air chamber 133 and the accommodation through groove is the smallest, and the exhaust time of the exhaust passage is the longest. As the adjusting nut 131 and the adjusting stud 132 move away from each other from the first relative position to the second relative position, the communication area between the first air chamber 133 and the accommodation through groove gradually increases, and the flow area of the throttling passage gradually increases. When the communication area between the first air chamber 133 and the accommodation through groove is equal to the area of the second air port 1322, the adjusting nut 131 and the adjusting stud 132 reach the second relative position, at which time the flow area of the throttling passage is the largest, and the exhaust time of the exhaust passage is the shortest.

[0062] Embodiment 2

[0063] The difference between the embodiment and the embodiment 1 is that the air throttle assembly of the embodiment 1 can adjust the exhaust time, while the air throttle assembly 13 of the embodiment 2 can only prolong the exhaust time of the air bag 6. The effect is that the air bag 6 is more gentle in the deflation process, and can better simulate the rhythm of the exhalation state in normal breathing. The effect of simulating breathing is better.

[0064] Reference Figure 7 In the embodiment, the air throttle assembly 13 is an air throttle valve, which comprises a valve sleeve 134 and a valve core 135. The valve core 135 is provided with an air throttle flow channel 1351 on the side facing the valve sleeve 134. The end of the valve core 135 away from the valve sleeve 134 is an air inlet. The valve sleeve 134 is provided with an air outlet 1341.

[0065] In the embodiment, the air throttle flow channel 1351 is an annular flow channel in communication with the air inlet. The air inlet is arranged at the center of the air throttle flow channel 1351 and is in communication with the annular flow channel through a radial flow channel. The air outlet 1341 can only communicate with the annular flow channel. Therefore, the airflow flowing from the air inlet will not directly enter the air outlet 1341, but will slow down in the annular flow channel before flowing out from the air outlet 1341, which greatly increases the exhaust time. In order to prevent air leakage, the valve core 135 and the valve sleeve 134 in the embodiment are tightly matched by a sealing ring 136.

[0066] Embodiment 3

[0067] The difference between the embodiment and the embodiment 1 is that the air throttle assembly of the embodiment 1 can adjust the exhaust time, while the air throttle assembly 13 of the embodiment 2 can only prolong the exhaust time of the air bag 6. The effect is that the air bag 6 is more gentle in the deflation process, and can better simulate the rhythm of the exhalation state in normal breathing. The effect of simulating breathing is better.

[0068] Reference Figure 8 In the embodiment, the air throttle assembly comprises an air throttle plug 137 and an air throttle female seat 138. The air throttle plug 137 is provided with an air throttle flow channel. The air throttle female seat 138 is provided with an opening for inserting the air throttle plug 137 and an air outlet in communication with the opening. In order to prolong the exhaust time, the air outlet is in the shape of a horn, and the side with a larger opening faces the air throttle female seat 138.

[0069] The above is only the preferred specific embodiment of the present application, and is not limited to the patent range of the present application. Any equivalent transformation made by using the content of the present application is within the protection scope of the present application.

Claims

1. A hand-held breath inducer, characterized by: The airbag and the inflation and deflation assembly; the inflation and deflation assembly periodically inflates and deflates the airbag through the inflation passage and the exhaust passage; The inflation and deflation assembly is provided with an adjustable throttle assembly in the exhaust passage, and the throttle assembly is used to prolong the exhaust time of the airbag.

2. A hand-held breath inducer according to claim 1, wherein: The throttle assembly is a throttle valve, which includes a valve sleeve and a valve core, and a throttling passage is formed between the valve sleeve and the valve core; The valve sleeve and the valve core can move relative to each other; when the valve sleeve and the valve core move from a first relative position to a second relative position, the flow area of the throttling passage gradually increases; on the contrary, when the valve sleeve and the valve core move from the second relative position to the first relative position, the flow area of the throttling passage gradually decreases.

3. A hand-held breath inducer according to claim 2, wherein: The throttle valve is a piston structure; The valve sleeve includes a side wall and a first end face, and the valve sleeve is configured in a cup-shaped structure through the side wall and the first end face; one side of the valve core is tightly connected to the inner surface of the side wall of the valve sleeve, and moves relative to the valve sleeve or remains relatively static along the axial direction.

4. A hand-held breath inducer according to claim 3, wherein: When the valve sleeve and the valve core move from the first relative position to the second relative position, the first end face and the valve core are away from each other; when the valve sleeve and the valve core move from the second relative position to the first relative position, the first end face and the valve core move towards each other.

5. A hand-held breath inducer according to claim 4, wherein: The valve core is provided with a clearance passage along the axial direction; the clearance passage and one end of the valve core form a first gas port, and the other end of the valve core forms a second gas port; the second gas port is closer to the first end face than the first gas port; The valve sleeve is provided with at least one clearance through hole; the communication area between the first gas port and the clearance through hole is the throttling passage.

6. A hand-held breath inducer according to claim 5, wherein: The clearance through hole is located on the first end face, and is misaligned with the projection of the second gas port on the first end face.

7. A hand-held breath inducer according to claim 6, wherein: When the valve sleeve and the valve core are in the first relative position, the valve core abuts against the first end face; The first end face is provided with at least one groove on the side facing the valve core, one end of the groove communicates with the clearance passage, and the other end communicates with the clearance through hole.

8. A hand-held breath inducer according to claim 7, wherein: A counterbore is provided on the first end face corresponding to the position of the second gas port, and the edge of the counterbore communicates with the groove.

9. The hand-held breath inducer according to any one of claims 3 to 8, wherein: The side wall of the valve sleeve is threadedly connected with the valve core.

10. The hand-held breath inducer of claim 1, wherein: The throttle assembly is a throttle valve, which includes a valve sleeve and a valve core, the valve core is provided with a throttle flow passage on the side facing the valve sleeve, the end of the valve core away from the valve sleeve is an air inlet, and the valve sleeve is provided with an air outlet.

11. The hand-held breath inducer of claim 10, wherein: The throttle flow passage is an annular flow passage communicating with the air inlet.

12. The hand-held breath inducer of claim 10, wherein: The valve core and the valve sleeve are tightly matched through a sealing ring.

13. The hand-held breath inducer of claim 1, wherein: The throttle assembly includes a throttle plug and a throttle base, the throttle plug is provided with a throttle flow passage, the throttle base is provided with an opening for inserting the throttle plug, and an air outlet communicating with the opening.

14. The hand-held breath inducer of claim 13, wherein: The air outlet is in the shape of a horn, and the side with a larger opening faces the throttle base.

15. The hand-held breath inducer of claim 1, wherein: The inflation and deflation assembly further includes an air pump and a solenoid valve; The electromagnetic valve is provided with an open air inlet, an air outlet and a normally open air port; inside the electromagnetic valve, the air inlet and the normally open air port are communicated to form a charging passage, and the air outlet and the normally open air port are connected to form an exhaust passage; the throttle assembly opens at most one of the charging passage or the exhaust passage at the same time; The air pump is connected with the air inlet; the throttle assembly is connected with the air outlet; and the air bag is connected with the normally open air port.

16. A hand-held breath inducer according to claim 1, characterized in that: On the side of the air bag facing the user, at least one layer of sponge is wrapped.

17. A hand-held breath inducer according to claim 1, wherein: The breathing guide is wrapped with an elastic outer cover on the outermost side; a decorative waistline is arranged on the surface of the elastic outer cover, which is matched with the finger or the thenar eminence and the like, so as to provide auxiliary positioning when the user holds it.

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