Soft mist generation driving device and soft mist inhalation device

Abstract

The invention discloses a soft fog generation driving device and a soft fog inhalation device.An inner sleeve of the soft fog generation driving device is arranged in an outer sleeve and is in sliding fit with the outer sleeve, a spring and a push rod are both arranged in the inner sleeve, and the spring is used for driving the push rod to translate in the radial direction of the inner sleeve; the push rod penetrates out of the first end of the outer sleeve, and a bottle body connecting part is arranged at the first end of the outer sleeve; a triggering device capable of being triggered and released is arranged between the outer sleeve and the inner sleeve, and a triggering mechanism of the triggering device is arranged on the surface of the outer sleeve; a meshing transmission device is arranged between the inner side wall of the inner sleeve and the outer wall surface of the push rod and used for enabling the inner sleeve and the push rod to move in the opposite directions. When the soft fog generation driving device is matched with a medicine bottle to form a soft fog inhalation device to work, not only can the stability during driving and propelling be improved, but also the quick resetting of the push rod can be realized on the basis, the operation is simple, the use requirement is low, and the requirements of different crowds can be met.

Description

Technical Field

[0001] The present invention relates to the technical field of soft mist inhalation devices, and in particular to a soft mist generation driving device and a soft mist inhalation device. Background Art

[0002] A soft mist inhaler is a new type of inhalation preparation. On the one hand, it uses the mechanical energy generated by a compressed spring as power to provide energy for the drug to release aerosol. On the other hand, through capillary precise quantification and the principle of the collision of two unique liquid medicine jets, it forms a unique "soft mist" by hitting at a specific angle. After the human body inhales the atomized drug, it achieves a therapeutic effect. Compared with oral and intravenous drug administration, it can make the drug act directly on the respiratory mucosa and alveoli, with the advantages of rapid onset, good efficacy, small drug dosage, good safety and convenient use.

[0003] In a soft mist inhaler, a mechanical driving device is usually required to quickly compress the liquid medicine and send the liquid medicine out of the atomization chip at a high speed, so as to achieve the purpose of shearing to form droplets. Specifically, most of them store mechanical energy through a compression spring in the mechanical driving device, and then release the compression spring when needed to push the piston in the cartridge to squeeze the liquid medicine, so that the liquid medicine is quickly sheared and ejected from the atomization chip opening to form atomized droplets, and the compression spring is reset after use. The structures of conventional mechanical driving devices are of two types: rotary type and direct push type, and each of these two structures has its own advantages and disadvantages, among which: The rotary driving structure has high operation stability, low risk of accidental touch and strong durability. However, its structure is complex, the production and manufacturing cost is high, and the operation complexity during resetting and tightening is relatively high, requiring high flexibility of the hand, resulting in it may not be suitable for children, the elderly or patients with limited hand movement; The direct push driving structure has simple and intuitive operation. In the scenarios of first aid or rapid drug administration, the direct push design can reduce the operation steps and improve the use efficiency, and the structure is simple and easy to manufacture. However, the linear compression spring in the direct push driving structure requires a large thrust during the reset operation, which may not be friendly to children, the elderly or patients with weak hand strength. In addition, the difference in the user's thrust may cause the spring compression degree to be inconsistent, affecting the atomization effect, resulting in poor atomization consistency. In addition, due to the structural limitation of the direct push driving structure, its stability is weak when pushing to form droplets, and the push rod is prone to deviate from the axis, affecting the atomization effect and reducing the service life accordingly. Summary of the Invention

[0004] The present invention provides a soft mist generation driving device and a soft mist inhalation device to solve the problems of high operation difficulty, high manufacturing cost and poor working stability of the soft mist generation driving device.

[0005] In a first aspect, to solve the above technical problems, the present invention provides a soft mist generating driving device, including a push rod that applies a direct pushing force, and the push rod is lockable triggered by a triggering device. The working states of the triggering device include an activated triggering state and a locked standby state. Wherein, when the triggering device is in the locked standby state, the push rod is in a retracted state; when the triggering device switches from the locked standby state to the activated triggering state, the push rod pops out to push the plunger in the medicine bottle connected to the soft mist generating driving device.

[0006] In an optional embodiment, the soft mist generating driving device includes an outer sleeve, an inner sleeve, a push rod and a spring; The inner sleeve is disposed inside the outer sleeve and is slidably engaged with the outer sleeve. The spring and the push rod are both disposed in the inner sleeve, and the spring is used to drive the push rod to translate radially along the inner sleeve. The push rod passes through the first end of the outer sleeve, and a bottle body connecting portion is provided at the first end of the outer sleeve. A trigger device that can be triggered and released is provided between the outer sleeve and the inner sleeve; An engagement transmission device is provided between the inner side wall of the inner sleeve and the outer wall surface of the push rod, and the engagement transmission device is used to move the inner sleeve and the push rod in opposite directions.

[0007] In an optional embodiment, the outer sleeve is a cylindrical tube, the outer sleeve has opposite first and second ends, the first and second ends are closed, and a through hole is provided in the first end, and the first end of the push rod passes through the through hole.

[0008] In an optional embodiment, the outer sleeve is a cylindrical tube, the outer sleeve has opposite first and second ends, the first and second ends are closed, and the spring is disposed between the second end of the push rod and the second end of the outer sleeve.

[0009] In an optional embodiment, the engagement transmission device includes a gear fixing frame and a transmission gear. The gear fixing frame is fixed inside the outer sleeve, the transmission gear is rotatably fixed on the gear fixing frame, the surface of the push rod has a first rack, the inner side wall of the inner sleeve has a second rack, the first rack and the second rack are arranged in parallel, the first rack and the second rack are both arranged along the axis direction of the push rod, and the transmission gear is clamped between the first rack and the second rack and engages for transmission.

[0010] In an alternative embodiment, at least two transmission gears are provided on the gear fixing frame. Two first racks are provided on the surface of the push rod. The two first racks are arranged oppositely. Correspondingly, two second racks are provided on the inner wall of the inner sleeve. At least one transmission gear is provided between each group of the first rack and the second rack.

[0011] In an alternative embodiment, the triggering device includes a triggering mechanism, a locking tongue and a locking buckle. The triggering mechanism is arranged on the outer sleeve. One of the locking tongue and the locking buckle is connected to the triggering mechanism, and the other is arranged on the inner sleeve. The triggering mechanism is used to control the release of the fixation of the locking tongue and the locking buckle.

[0012] In an alternative embodiment, a through groove is axially formed on the outer sleeve, and a positioning protrusion is provided on the inner sleeve. The positioning protrusion is clamped in the through groove.

[0013] In an alternative embodiment, a driving cover sleeve is movably arranged at the end of the second end of the outer sleeve. A limiting mechanism is arranged between the bottom of the driving cover sleeve and the top of the second end of the outer sleeve. The second end of the inner sleeve is fixedly connected or abutted against the driving cover sleeve.

[0014] In an alternative embodiment, the bottle connecting portion is a threaded connecting portion or a bayonet connecting portion provided on the outer side or the inner side of the outer sleeve.

[0015] In a second aspect, the present invention provides a soft mist inhalation device, which includes a medicine bottle for storing medicine and the soft mist generating and driving device as described above. The medicine bottle is docked with the soft mist generating and driving device through the bottle connecting portion, and the push rod abuts against the rubber stopper in the medicine bottle.

[0016] Compared with the prior art, the soft mist generating and driving device and the soft mist inhalation device of the present invention have the following beneficial effects: The present invention provides a soft mist generating and driving device, which adopts a double-sleeve cylinder structure, and a meshing transmission device is arranged in the cavity of the inner sleeve. The meshing transmission device can make the inner sleeve and the push rod move in opposite directions during movement, which can not only improve the working stability of the push rod during the pushing movement, but also reduce the operation difficulty of the operator during the reset. Generally speaking, the overall structure of the soft mist generating and driving device of the present application is simple, the manufacturing cost is low, the operation is simple, the use requirements are low, and the needs of different people can be met.

[0017] In addition, the soft mist inhalation device with the soft mist generating and driving device of the present application can be adapted to medicine bottles of different specifications and different components, can better meet the needs of users, can realize the reuse of the soft mist generating and driving device, and save the use cost of users.

[0018] In addition, through the structural design of the triggering device, it is possible to limit the compression position of the spring, achieve a consistent reset setting for the driving force, and control the atomization consistency. Description of the Drawings

[0019] Figure 1 is a schematic structural view of the soft mist generating driving device after assembling the medicine bottle provided by one embodiment of the present invention; Figure 2 is a top view structural schematic diagram of the soft mist generating driving device provided by one embodiment of the present invention, and shows the sectional directions of the subsequent two sectional structural schematic diagrams; Figure 3 is a sectional structural schematic diagram of the soft mist generating driving device provided by one embodiment of the present invention along the A-A direction; Figure 4 is a partial enlarged view of the sectional structural schematic diagram of the soft mist generating driving device provided by the present invention; Figure 5 is a sectional structural schematic diagram of the soft mist generating driving device provided by one embodiment of the present invention along the B-B direction; Figure 6 is a schematic structural view of the soft mist generating driving device after assembling the medicine bottle provided by another embodiment of the present invention; Figure 7 is a top view structural schematic diagram of the soft mist generating driving device provided by another embodiment of the present invention, and shows the sectional directions of the subsequent two sectional structural schematic diagrams; Figure 8 is a sectional structural schematic diagram of the soft mist generating driving device provided by another embodiment of the present invention along the A-A direction; Figure 9 is a partial enlarged view of the sectional structural schematic diagram of the soft mist generating driving device provided by the present invention; Figure 10 is a sectional structural schematic diagram of the soft mist generating driving device provided by another embodiment of the present invention along the B-B direction; Figure 11 is an axonometric structural view of the soft mist generating driving device after removing the outer sleeve provided by another embodiment of the present invention; Figure 12 is a sectional structural schematic diagram of the medicine bottle used in the soft mist inhalation device provided by one embodiment of the present invention.

[0020] The description of the reference numerals is as follows: 1. Cylinder body, 11. Outer sleeve, 111. Bottle body connection part, 112. Through groove on the outer sleeve for clamping and positioning protrusions, 113. Guide groove on the outer sleeve, 12. Inner sleeve, 121. Positioning protrusion, 122. Flange guide rail on the inner sleeve, 123. Second rack, 124. Guide groove on the inner sleeve; 2. Medicine bottle, 21. Atomization chip, 22. Plunger, 221. Clamping part, 23. Filter element, 24. Elastic part, 25. Support part, 26. Buffer cavity, 27. Sealing cover, 28. Internal thread for docking with the bottle body connection part, 29. Bottle body; 3. Push rod, 31. First rack, 32. Flange guide rail on the push rod; 4. Spring; 5. Trigger device, 51. Trigger mechanism, 52. Lock tongue, 53. Lock catch 61. Gear fixing bracket, 62. Driving gear; 7. Driving end sleeve. Specific implementation mode

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without making creative efforts belong to the protection scope of the present invention.

[0022] In this application, in order to better express the working mechanism, the structure after the combination of the soft mist generating driving device and the medicine bottle is shown in the accompanying drawings, that is, the structure diagram of the soft mist inhalation device is provided. Please note.

[0023] The soft mist generating driving device in this embodiment includes a push rod that applies a direct push force, and the push rod is triggerable and lockable through a trigger device. The working states of the trigger device include an activated trigger state and a locked standby state. Among them, when the trigger device is in the locked standby state, the push rod is in a retracted state; when the trigger device switches from the locked standby state to the activated trigger state, the push rod pops out and pushes the plunger in the medicine bottle connected to the soft mist generating driving device.

[0024] Embodiment 1: As Figures 1 to 11 shown, this embodiment describes a soft mist generating driving device, which includes an outer sleeve 11, an inner sleeve 12, a spring 4, a push rod 3 and a spring 4; The inner sleeve 12 is disposed inside the outer sleeve 11 and is in sliding fit with the outer sleeve 11. The inner sleeve 12 and the outer sleeve 11 together form a cylinder 1. The spring 4 and the push rod 3 are both disposed in the inner sleeve 12. The spring 4 is used to drive the push rod 3 to translate radially along the inner sleeve 12; The push rod 3 passes through the first end of the outer sleeve 11, and a bottle connection portion 111 is provided at the first end of the outer sleeve 11. The bottle connection portion 111 is a threaded connection portion or a bayonet connection portion; A trigger device 5 that can be triggered to release is provided between the outer sleeve 11 and the inner sleeve 12. The trigger mechanism 51 of the trigger device 5 is disposed on the outer sleeve 11; An engagement transmission device is provided between the inner side wall of the inner sleeve 12 and the outer wall surface of the push rod 3. The engagement transmission device is used to move the inner sleeve 12 and the push rod 3 in opposite directions.

[0025] In use, the medicine bottle 2 can be connected to the cylinder 1 through the bottle connection portion 111. The end of the push rod 3 passing through the cylinder 1 contacts the plunger 22 of the medicine bottle 2. At this time, the spring 4 is in a compressed state; after the trigger mechanism 51 is activated, the inside of the trigger device 5 is disengaged and switches from the locked state to the free state. The spring 4 quickly changes from the compressed state to the free state. The spring 4 pushes the push rod 3, and the end of the push rod 3 passing through the cylinder 1 then pushes the plunger 22 in the cylinder 1. The plunger 22 further pushes the medicine in the medicine bottle 2 towards the outlet. The atomization chip 21 provided at the outlet of the medicine bottle 2 further atomizes and sends out the medicine. It should be noted that when the soft mist generating driving device in this embodiment is performing driving work, due to the presence of the engagement transmission device, the push rod 3 moves towards the direction of the medicine bottle 2, while the inner sleeve 12 moves in the opposite direction (away from the medicine bottle 2). During the movement, it can play a guiding and decelerating role, which can improve the working stability when the push rod 3 is pushed, so that the mist droplets can be stably ejected from the outlet and are not easily blocked; when the push rod 3 is reset after the soft mist generating driving device in this embodiment is used, as long as the inner sleeve 12 is pushed or pushed towards the direction of the medicine bottle 2, and the push rod 3 moves in the opposite direction (away from the medicine bottle 2), the force can be transmitted to the push rod 3 through the engagement transmission device by the continuous movement of the inner sleeve 12. Compared with the conventional method of directly applying force to the push rod 3 to reset the spring 4, it is more labor-saving, has simple operation, low usage requirements, and can meet the needs of different people.

[0026] The inner sleeve 12 is sleeved inside the outer sleeve 11, and there is a clearance fit between the inner sleeve 12 and the outer sleeve 11, so that the inner sleeve 12 can move freely in the outer sleeve 11. Additionally, a guiding or limiting structure can be provided between the outer sleeve 11 and the inner sleeve 12. For example, a stepped guiding structure can be adopted. A flange guide rail 122 is provided on the outer wall of the inner sleeve 12, and a guiding groove 113 is correspondingly provided on the outer sleeve 11. The flange guide rail 122 is clamped in the guiding groove 113. The guiding groove 113 is preferably arranged along the axial direction of the cylinder 1, so that the inner sleeve 12 can move stably in the outer sleeve 11. It should be noted that if the guiding groove 113 is provided in the form of a through groove, the flange guide rail 122 can also be used as a setting for compressing and resetting the inner sleeve 12.

[0027] In addition, in order to define the moving direction between the push rod 3 and the inner sleeve 12, a flange guide rail 32 and a guiding groove 124 as described above can also be provided between the inner sleeve 12 and the push rod 3. For example, a flange guide rail 32 is provided on the outer wall of the push rod 3, and a guiding groove 124 is correspondingly provided on the inner sleeve 12. The flange guide rail 32 on the push rod 3 is clamped in the guiding groove 124 of the inner sleeve 12. The guiding groove 124 is preferably arranged along the axial direction of the cylinder 1, so that the push rod 3 can move stably in the inner sleeve 12, prevent torsion during movement, and maintain the working stability of the push rod 3.

[0028] Specifically, in an embodiment, the outer sleeve 11 is a cylindrical tube. The outer sleeve 11 has opposite first and second ends, and the first and second ends are closed. A through hole is provided in the first end, and the first end of the push rod 3 passes through the through hole. For the convenience of description, in this embodiment, the end of the outer sleeve 11 connected to the medicine bottle 2 is defined as the first end, that is, the end of the outer sleeve 11 provided with the bottle body connecting portion 111 is the first end, and the other end of the outer sleeve 11 away from the bottle body connecting portion 111 is defined as the second end. Correspondingly, the end where the push rod 3 passes through the through hole is the first end of the push rod 3, and the other end away from it is the second end of the push rod 3. The spring 4 is arranged between the second end of the push rod 3 and the second end of the outer sleeve 11.

[0029] By closing the two ends of the hollow outer sleeve 11 to form a cavity structure, the inner sleeve 12, the push rod 3, the spring 4, etc. are all arranged in this relatively closed cavity. After being enclosed in the cavity, each component is not easily damaged, and the limiting effect from above and below can initially limit the working stroke of the push rod 3, improving the reliability and consistency of its pushing effect.

[0030] In addition, a through hole through which the push rod 3 can pass through is opened at the closed first end, and the diameter of this through hole is slightly larger than the diameter of the push rod 3. When the push rod 3 is in motion, the through hole can play a role in limiting the push rod 3, preventing it from deviating or deviating too much in the axial direction. Such a design can prevent the push rod 3 from shaking, ensuring stable force application when pushing the plunger 22 of the medicine bottle 2. This can not only ensure consistent thrust and stable atomization effect, but also avoid the reduction of the device's service life caused by the shaking of the push rod 3.

[0031] In this embodiment, the trigger device 5 can be used to hold the push rod 3 in the compressed state of the spring 4, so that the push rod 3 can be in a steady state, and the push rod 3 can be quickly released after being triggered. Through the structural design of the trigger device 5, the limit of the compression position of the spring 4 can be realized, the consistent reset setting of the driving force can be achieved, and the control of the atomization consistency can be realized.

[0032] In an embodiment, the trigger device 5 includes a trigger mechanism 51, a locking tongue 52 and a locking buckle 53. The trigger mechanism 51 is arranged on the outer sleeve 11, one of the locking tongue 52 and the locking buckle 53 is connected to the trigger mechanism 51, and the other is arranged on the inner sleeve 12. The trigger mechanism 51 is used to control the release of the fixation between the locking tongue 52 and the locking buckle 53.

[0033] It can be understood that one of the locking tongue 52 and the locking buckle 53 is arranged at the outer sleeve 11, and the other is arranged at the inner sleeve 12. The relative fixation between the outer sleeve 11 and the inner sleeve 12 can be completed by the clamping and locking between the locking tongue 52 and the locking buckle 53. The locking buckle 53 is usually designed as a groove or a hole for accommodating the locking tongue 52 to achieve locking. When the trigger device 5 is in the locked state, the locking tongue 52 extends out and is embedded in the locking buckle 53. In order to make the locking tongue 52 maintain a certain elastic vitality, elastic components such as the spring 4 and the damping member can be used to keep the locking tongue 52 in the locking buckle 53, which can also make the locking tongue 52 return to the place when resetting. The trigger mechanism 51 preferably uses button triggering. When the button is pressed, through mechanical linkage, such as a lever or a connecting rod, the locking tongue 52 can be pulled back or pushed out, so that the locking tongue 52 is separated from the locking buckle 53, allowing the inner sleeve 12 to be separated from the outer sleeve 11, that is, the inner and outer sleeves 11 are switched to the unlocked state. The spring 4 at the second end of the push rod 3 starts to stretch from the compressed state, pushing the push rod 3, and then pushing the plunger 22 in the medicine bottle 2 to form droplets and spray out.

[0034] In this embodiment, the locking tongue 52 on the inner sleeve 12 is made of an elastic material with certain damping characteristics. The trigger mechanism 51 (button type) presses the locking tongue 52 downward to make the locking tongue 52 away from the lock catch 53. After the locking tongue 52 is disengaged from the lock catch 53, the inner sleeve 12 and the push rod 3 can be released. The spring 4 pushes the push rod 3, and finally the plunger 22 in the medicine bottle 2 pushes the liquid medicine towards the bottle mouth to form droplets. When resetting, pulling back the locking tongue 52 can drive the inner sleeve 12 to move towards the second end of the outer sleeve 11. The push rod 3 presses the spring 4 to return to the compressed state. After the locking tongue 52 is reinserted into the lock catch 53, the trigger device 5 resumes locking, and the driving and resetting of the soft mist generating driving device can be completed.

[0035] It can be understood that in different trigger devices 5 (such as different reset methods), the setting positions of the locking tongue 52 and the lock catch 53 will be slightly adjusted to ensure that it does not affect the release of the push rod 3 after release and can stably engage the locking tongue 52 and the lock catch 53 during resetting. This part should be known to those skilled in the art and will not be elaborated and described herein.

[0036] In an embodiment, the meshing transmission device includes a gear fixing frame 61 and a transmission gear 62. The gear fixing frame 61 is fixed inside the outer sleeve 11. The transmission gear 62 is rotatably fixed on the gear fixing frame 61. The surface of the push rod 3 has a first rack 31, and the inner side wall of the inner sleeve 12 has a second rack 123. The first rack 31 and the second rack 123 are arranged in parallel, and both the first rack 31 and the second rack 123 are arranged along the axis direction of the push rod 3. The transmission gear 62 is clamped between the first rack 31 and the second rack 123 and meshes for transmission.

[0037] Through the design of the transmission gear 62, the first rack 31 and the second rack 123, the linkage between the inner sleeve 12 and the push rod 3 is smoother, which can maintain the stability of the movement direction of the push rod 3 during operation, limit its shaking while ensuring its stable movement. In addition, the transmission gear 62 can play a role similar to a "speed reduction wheel", so that the push rod 3 will not advance too fast, because if it is too fast, it may cause the reverse resistance generated by the rapid compression inside the medicine bottle 2 to affect the formation of droplets. Such a design can instead improve the atomization effect.

[0038] The gear fixing frame 61 is fixedly connected to the inner wall of the outer sleeve 11. The gear fixing frame 61 is arranged along the radial direction of the outer sleeve 11. A clearance hole is opened on the inner sleeve 12 corresponding to the setting position of the gear fixing frame 61. That is to say, both sides of the gear fixing frame 61 pass through the clearance hole of the inner sleeve 12 and are fixedly connected to the inner wall of the outer sleeve 11. Such a design can prevent the gear fixing frame 61 from interfering with the inner sleeve 12 during movement.

[0039] In another embodiment, for the arrangement of the transmission gears 62, two or more than two can be arranged. The push rod 3 is clamped between the two transmission gears 62 to improve the guiding effect and the stability of the thrust release. Taking the arrangement of two transmission gears 62 as an example, as shown in the figure, two transmission gears 62 are arranged on the gear fixing frame 61. Two first racks 31 are provided on the surface of the push rod 3. The two first racks 31 are oppositely arranged on both sides of the push rod 3. Correspondingly, two second racks 123 are provided on the inner wall of the inner sleeve 12. That is to say, each first rack 31 and one second rack 123 form a group, and a transmission gear 62 is arranged between each group of the first rack 31 and the second rack 123.

[0040] For the arrangement of the reset structure, two reset schemes are provided in this embodiment. One is to pull back and reset through the protrusion on the outer side wall of the inner sleeve 12 that extends out of the outer sleeve 11. The other is to press the part of the inner sleeve 12 that extends out of the end of the outer sleeve 11 to reset the inner sleeve 12. All other schemes that can realize the relative displacement of the inner sleeve 12 relative to the outer sleeve 11 should be within the protection scope of this application and will not be elaborated here.

[0041] In one embodiment, as Figures 1 to 5 shown, a through groove 112 is axially formed on the outer sleeve 11. The inner sleeve 12 has a positioning protrusion 121, and the positioning protrusion 121 is clamped in the through groove 112. What this design can achieve is to restore the locking after the triggering device 5 is released and unlocked. It can be known that when the locking is released, the spring 4 extends until the inner sleeve 12 or the push rod 3 reaches the limit position, or the spring 4 basically returns to the free state, and the inner and outer sleeves 11 will maintain a relatively stable state. Then, the inner sleeve 12 is pulled back through the positioning protrusion 121, so that the inner sleeve 12 moves relative to the outer sleeve 11. While pulling back the inner sleeve 12, the push rod 3 moves in the reverse direction. The push rod 3 can compress the spring 4 at the second end of the push rod 3 until the lock tongue 52 in the triggering device is engaged with the lock catch 53 again to complete the locking, so that the inner and outer sleeves 11 return to the initial state ready for use. The through groove 112 and the positioning protrusion 121 can also play the guiding role mentioned in the previous embodiment, and the role is similar to that of the stepped guiding structure mentioned above.

[0042] In another embodiment, as Figures 6 to 11As shown in the figure, a driving cover sleeve is movably arranged at the end of the second end of the outer sleeve 11. A limiting mechanism is arranged between the bottom of the driving cover sleeve and the top of the second end of the outer sleeve 11. The second end of the inner sleeve 12 is fixedly connected or abutted against the driving cover sleeve. It can be understood that after the locking of the triggering device 5 is released, the spring 4 extends, and under the action of the spring 4, the push rod 3 is pushed towards the first end of the outer sleeve 11. Under the action of the meshing transmission device, the inner sleeve 12 moves towards the second end of the outer sleeve 11 until the inner sleeve 12 or the push rod 3 reaches the limiting position, or the spring 4 basically returns to the free state, and the inner and outer sleeves 11 will maintain a relatively stable state. When the triggering device 5 locks the inner and outer sleeves 11, the driving cover sleeve is basically retracted into the outer sleeve 11. This design can avoid accidental touch and reduce the impact on the triggering device 5. After the triggering device 5 is unlocked, finally the driving cover sleeve protrudes from the end of the second end of the outer sleeve 11. When restoring the locking of the triggering device 5, only need to press the driving end sleeve 7, so that the inner sleeve 12 moves towards the first end direction of the outer sleeve 11, and under the action of the meshing transmission device, the push rod 3 moves towards the second end of the outer sleeve 11, so that the push rod 3 compresses the spring 4 until the lock tongue 52 in the triggering device 5 enters the lock catch 53 and switches to the locked state, thus completing the restoration of the soft mist generating driving device to the waiting excitation state.

[0043] In addition, only by controlling the lengths of the inner sleeve 12 and the outer sleeve 11 can the driving end cover be ensured to prevent accidental touch. For example, the length from the inner side of the first end of the outer sleeve 11 to the end of the second end of the outer sleeve 11 is L, and the length l of the inner sleeve 12 is basically equal to L. The driving cover sleeve can be fixedly connected to the second end of the inner sleeve 12. By controlling the length of the driving end sleeve 7 or the fixed position with the inner sleeve 12, the length that the driving end sleeve 7 protrudes from the outer sleeve 11 can be controlled, thereby preventing accidental touch.

[0044] Embodiment 2: This embodiment provides a soft mist inhalation device, which includes a medicine bottle 2 for storing medicine and the soft mist generating driving device as described in Embodiment 1. The medicine bottle 2 is docked with the soft mist generating driving device through a bottle body connecting portion 111, and the push rod 3 abuts against the rubber stopper in the medicine bottle 2.

[0045] It can be understood that the medicine bottle 2 generally can include a bottle body. A plunger 22 is arranged inside the bottle body, and the plunger 22 can slide inside the bottle body. A sealing ring is also arranged at the part where the plunger 22 contacts the inner wall of the bottle body. The cavity formed by the plunger 22 and the bottle body is used to contain medicine. A thread or a buckle is arranged at the tail of the bottle body, and the tail of the bottle body can be docked with the bottle body connecting portion 111 of the soft mist generating driving device as described in Embodiment 1. An atomization chip 21 for forming mist drops is arranged at the head of the bottle body, that is, at the bottle mouth.

[0046] Specifically, the medicine bottle 2 used in the soft mist inhalation device, as Figure 12 shown, includes: A bottle body 29, inside which a plunger 22 made of rubber is provided. The plunger 22 divides the inner cavity of the bottle body 29 into a sealed space for storing liquid medicine. The distal tail of the bottle body 29 has a thread or a snap (the internal thread 28 is adopted in this embodiment, and the internal thread 28 is adapted to the connecting part 111 of the bottle body 29 of the soft mist generating driving device); A filter element 23 and an atomization chip 21 are sequentially arranged at the outlet end of the bottle body 29. The filter element 23 is located between the sealed space and the atomization chip 21. The atomization chip 21 is fixedly assembled at the outlet position of the bottle body 29. The atomization chip 21 is a piezoelectric microporous atomization chip 21 or an ultrasonic atomization chip 21, and its spray hole diameter is 1 - 10 μm; An elastic member 24 is arranged outside the atomization chip 21, and a support member 25 is arranged outside the elastic member 24. The support member 25 is fixedly connected to the outlet end of the bottle body 29; When an external force is applied to push the plunger 22, the liquid medicine enters the atomization chip 21 through the filter element 23 and is atomized into mist droplets by the atomization chip 21 and ejected.

[0047] For the medicine bottle 2 of the soft mist inhaler in this embodiment, a standardized interface (such as a card slot, a thread or an interference fit) is adopted with the external force application mechanism to realize the quick disassembly and assembly of the medicine bottle 2 and the soft mist generating driving device. Users can replace the independent medicine bottle 2 pre-filled with liquid medicine according to different treatment requirements (such as the type of liquid medicine, dosage difference), avoiding cross-contamination and reducing the use cost at the same time.

[0048] In one embodiment, the elastic member 24 is a silica gel ring or a spring, and its inner diameter is adapted to the outer peripheral dimension of the atomization chip 21 to provide a radial pre-tightening force. The support member 25 is a ring structure made of metal or plastic, and its inner wall is provided with a card slot or a thread, and is in interference fit or screwed and fixed with the outlet end of the bottle body 29.

[0049] The combined design of the elastic member 24 and the support member 25 is adopted to fix the atomization chip 21 through the radial pre-tightening force, buffer the impact of the liquid medicine pressure fluctuation on the atomization chip 21, and prevent uneven atomization or chip damage caused by sudden pressure change.

[0050] In one embodiment, the aperture of the filter element 23 is 0.1 - 10 microns, which is used to filter particulate impurities in the liquid medicine. The microporous filtration of the filter element 23 can intercept large particulate impurities in the liquid medicine, avoid the blockage of the spray holes of the atomization chip 21, and prolong the service life of the chip.

[0051] In addition, a buffer chamber 26 is formed between the filter element 23 and the atomization chip 21, and the volume of the buffer chamber 26 is 0.1 to 1 mL. The buffer chamber 26 further adjusts the liquid medicine flow rate to ensure the pressure stability during the atomization process.

[0052] In order to further improve the bonding stability of the components at the outlet end, a cap 27 is provided at the outlet end of the bottle body 29. The cap 27 covers the support member 25 and is threadedly fastened to the bottle body 29, and is used to assist in closing the filter element 23, the atomization chip 21 and the support member 25 at the outlet end of the bottle body 29.

[0053] In addition, a groove or projection (in this embodiment, a groove form is adopted) serving as a clamping portion 221 is provided at the distal end of the plunger 22 for fitting and connecting with the push rod 3 of an external force application mechanism.

[0054] Designing the connection and fixation between the medicine bottle 2 and the soft mist generation driving device in the soft mist inhalation device as a detachable connection can bring the following effects: 1. Improve the usability Flexible replacement of medicines: Users can quickly replace different medicines (such as different dosages or formulations) without replacing the entire device, which is especially suitable for patients who need to frequently switch medicines (such as those with alternating treatment of asthma and chronic obstructive pulmonary disease).

[0055] Simplify the operation process: The detachable design facilitates the installation and removal of the medicine bottle, reduces the operation complexity, and is especially more user-friendly for the elderly or those with mobility difficulties.

[0056] 2. Reduce costs and environmental friendliness Reuse the driving device: Only replace the medicine bottle instead of the whole set of equipment, reduce material waste, and lower the long-term use cost (such as purchasing replacement cartridges after the medicine is used up).

[0057] 3. Enhance maintenance and cleaning Possibility of deep cleaning: The separable design facilitates the separate cleaning of the medicine bottle and the driving device, avoids the pollution or blockage of the atomization components caused by the residual medicine, and extends the service life of the equipment.

[0058] Targeted maintenance: If the medicine bottle or the driving part is damaged, it can be replaced or repaired separately, reducing the maintenance cost.

[0059] 4. Adaptability and personalized medicine Compatible with multiple types of medicines: Adapt to medicine bottles from different manufacturers (such as pre-filled or self-filling types) through a standardized interface, improving the versatility of the equipment.

[0060] Customized treatment: Patients can select different medicine combinations according to their needs and flexibly adjust the treatment plan.

[0061] 5. Optimize safety and hygiene Avoid cross - contamination: The medicine bottle is discarded after single - use, and the contact part of the driving device can be disinfected, reducing the risk of infection.

[0062] Sealing guarantee: The detachable connection can be designed as a snap - fit or threaded structure to ensure no leakage during atomization and maintain the accuracy of the drug dosage.

[0063] Therefore, the soft - mist inhaler with a detachable connection component can significantly improve the user experience, economy, and environmental friendliness through modular design. It can be applied to home medical care, facilitating patients to replace the medicine bottle at home and reducing the need for professional maintenance. It can also be adapted to clinical use, quickly switching test drugs, improving efficiency while reducing costs. This is an important trend in the humanization and intelligentization of medical devices.

[0064] In summary, the soft - mist generating driving device provided by this invention application adopts a double - sleeve cylinder structure. A meshing transmission device is arranged in the cavity of the inner sleeve. The meshing transmission device enables the inner sleeve and the push rod 3 to move in opposite directions during movement. This can not only improve the working stability of the push rod 3 during the pushing movement but also reduce the operation difficulty of the operator during reset. Generally speaking, the overall structure of the soft - mist generating driving device of this application is simple, with low manufacturing cost, simple operation, and low usage requirements, which can meet the needs of different people.

[0065] In addition, the soft - mist inhaler with the soft - mist generating driving device of this application can be adapted to medicine bottles 2 of different specifications and different components, better meeting the user's needs. It can realize the reuse of the soft - mist generating driving device, saving the user's usage cost.

[0066] In addition, through the structural design of the trigger device 5, it is possible to limit the compression position of the spring 4, achieve a consistent reset setting of the driving force, and control the atomization consistency.

[0067] It should be noted that the device embodiments described above are only illustrative. The units described as separate components may or may not be physically separated. The components shown as units may or may not be physical units, that is, they can be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. In addition, in the attached drawings of the device embodiments provided by the present invention, the connection relationship between the modules represents that they have a communication connection, which can be specifically implemented as one or more communication buses or signal lines. Those of ordinary skill in the art can understand and implement it without creative work.

[0068] The specific embodiments described above further elaborate on the object, technical solution and beneficial effects of the present invention. It should be understood that the above description is only for the specific embodiments of the present invention and is not used to limit the protection scope of the present invention. In particular, for those skilled in the art, any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A soft mist generating driving device, characterized in that: A push rod for applying force by direct push is triggered by a trigger device in a lockable manner, and the working state of the trigger device includes an activated trigger state and a locked standby state. Among them, when the trigger device is in a locked standby state, the push rod is in a retracted state; when the trigger device switches from a locked standby state to an activated trigger state, the push rod pops out to push the plunger in the medicine bottle connected to the soft mist generating drive device.

2. The soft mist generating driving device according to claim 1, characterized in that: It includes an outer sleeve, an inner sleeve, a push rod and a spring; The inner sleeve is arranged in the outer sleeve and is slidably matched with the outer sleeve. The spring and the push rod are both arranged in the inner sleeve. The spring is used to drive the push rod to translate radially along the inner sleeve. The push rod passes through the first end of the outer sleeve, and a bottle body connecting portion is provided at the first end of the outer sleeve; A trigger device capable of triggering release is arranged between the outer sleeve and the inner sleeve; An engaging transmission device is arranged between the inner side wall of the inner sleeve and the outer wall surface of the push rod, and the engaging transmission device is used to make the inner sleeve and the push rod move in relative directions.

3. The soft mist generating driving device according to claim 1, characterized in that: The outer sleeve is a cylindrical tube, and has a first end and a second end opposite to each other. The first end and the second end are closed, and a through hole is opened on the first end, and the first end of the push rod passes through the through hole.

4. The soft mist generating driving device according to claim 1, characterized in that: The outer sleeve is a cylindrical tube, and has a first end and a second end opposite to each other, the first end and the second end are closed, and the spring is arranged between the second end of the push rod and the second end of the outer sleeve.

5. The soft mist generating driving device according to claim 1, characterized in that: The meshing transmission device includes a gear fixing frame and a transmission gear, the gear fixing frame is fixed in the outer sleeve, the transmission gear is rotatably fixed on the gear fixing frame, the surface of the push rod has a first rack, the inner side wall of the inner sleeve has a second rack, the first rack is arranged in parallel with the second rack, the first rack and the second rack are both arranged along the axial direction of the push rod, and the transmission gear is clamped between the first rack and the second rack for meshing transmission.

6. The soft mist generating driving device according to claim 5, characterized in that: At least two transmission gears are arranged on the gear fixing frame, two first racks are arranged on the surface of the push rod, the two first racks are arranged opposite to each other, and two second racks are arranged on the inner wall of the inner sleeve accordingly, and at least one transmission gear is arranged between each group of first racks and second racks.

7. The soft mist generating driving device according to any one of claims 1 to 6, characterized in that: The trigger device includes a trigger mechanism, a lock tongue and a lock buckle. The trigger mechanism is arranged on the outer sleeve. One of the lock tongue and the lock buckle is connected to the trigger mechanism, and the other is arranged on the inner sleeve. The trigger mechanism is used to control the release of the fixation of the lock tongue and the lock buckle.

8. The soft mist generating driving device according to claim 7, characterized in that: The outer sleeve is provided with a through groove along the axial direction, and the inner sleeve is provided with a positioning protrusion, which is clamped in the through groove.

9. The soft mist generating driving device according to claim 7, characterized in that: A driving cover sleeve is movably provided at the end of the second end of the outer sleeve, a limiting mechanism is provided between the bottom of the driving cover sleeve and the top of the second end of the outer sleeve, and the second end of the inner sleeve is fixedly connected or abutted against the driving cover sleeve.

10. The soft mist generating driving device according to claim 1, characterized in that: The bottle body connection portion is a threaded connection portion or a bayonet connection portion arranged on the outside or inside of the outer sleeve.

11. A soft mist inhalation device, characterized in that: It comprises a medicine bottle for storing medicine and a soft mist generating driving device as described in any one of claims 1 to 10, wherein the medicine bottle is docked with the soft mist generating driving device through a bottle body connecting portion, and the push rod abuts against a rubber stopper in the medicine bottle.

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