CN109621111A - A kind of breath actuated inhaler - Google Patents

Abstract

The present invention relates to a kind of breath actuated inhaler, including shell, lower part of the housing has suction nozzle；Medicine bottle is set in the housing from top to bottom, including the tank body for storing drug, the spring that resets set on the valve rod of tank body oral area and after making valve rod be pressurized；Spray head is set in the housing, and spray head is equipped with the spray orifice towards suction nozzle, and valve rod is inserted in spray head；Actuating assembly is connected with tank body and the opposite shell of tank body can be driven to move down；Energy storage component, the trend for being connected with actuating assembly and making actuating assembly that there is driving tank body to move down；Stop assembly, always with contact activated component to limit the trend that actuating assembly driving tank body moves down, and stop assembly can disengage under the air stream drives caused by the suction at suction nozzle with actuating assembly to release the limitation to actuating assembly.The inhalator is not necessarily to always on one side Sucked medicine, on one side and press some component, and rapid operation facilitates, and driving force is big.

Description

A kind of breath actuated inhaler

Technical field

The invention belongs to technical field of medical instrument, and in particular to a kind of breath actuated inhaler.

Background technique

In recent years, as the exploitation of Sucked medicine lists, the chronic gas such as many bronchial asthmas, Chronic Obstructive Pulmonary Disease Tract disease patient makes the state of an illness obtain effective control by long-term Sucked medicine, in the prior art, usually using inhalator Tool carries out the auxiliary sucking of drug.

As disclosed in the Chinese invention patent of Patent No. ZL201810206621.3 (Publication No. CN108421137A) Shown in " a kind of air-flow triggering INhalation device ", including shell, driving push plate and sliding load-bearing part, the shell are equipped with Gas communication port, the driving push plate setting inside the shell, and are equipped with back positive part between outer casing inner wall, and the sliding is held Holder is connected with driving push plate, and side is provided with medicinal powder and holds module.

The medicinal powder that the synchronous triggering of the air-flow that the suction apparatus is generated using patient breaths quantitatively discharges, medicinal powder are sucked with air-flow Lung only can suck drug by the air-flow that breathing generates without other operations.But the device is not applicable in liquid Drug, because liquid for powder, the driving force that drug needs is larger.

For being in liquid drug, currently used suction apparatus is mostly such as Patent No. ZL200980132507.X Shown in " inhalator and the method for operating it " disclosed in the Chinese invention patent of (Publication No. CN102131540A), inhalation apparatus There is shell, there is the tank for storing drug in shell, upper part of the housing is equipped with button, and button can be by user along downward side To engagement, force button down movement that bias is located in the spring between button and pot bottom, the button is depressed to connect The intracorporal stop element of shell is fixed in conjunction, and trap element, which can enclose, to be rotated about the axis.When user sucks via mouth, formed The air stream of the longest part clockwise movement of trap element is forced, then allows element to transport downwards because of the power that spring applies Dynamic, thus drug is dispensed in mouth and is inhaled by the user.

When in use, user push button need to be such that spring is in by compression shape to the inhalator always while Sucked medicine State sprays so that tank is maintained at the position moved down, and operation is extremely inconvenient, for child and old man； In addition, current inhalator is most as shown in above-mentioned patent, medicine bottle sucks once be packed into shell to disassemble again Device is disposable, is after a single use to be resulted in waste of resources by discarded.

Summary of the invention

The technical problem to be solved by the invention for the present situation of prior art is to provide a kind of gas only generated by breathing Stream can suck drug and the big breath actuated inhaler of driving force.

The technical scheme of the invention to solve the technical problem is: a kind of breath actuated inhaler, including

Shell, the lower part of the housing have suction nozzle；

Medicine bottle is set in the housing from top to bottom, including for storing drug tank body, set on tank body oral area valve rod and The spring resetted after making valve rod be pressurized；

Spray head is set in the housing, and spray head is equipped with the spray orifice towards suction nozzle, and the valve rod is inserted in spray head；

Actuating assembly is connected with tank body and the opposite shell of tank body can be driven to move down；

It is characterized in that, further including

Energy storage component, the trend for being connected with actuating assembly and making actuating assembly that there is driving tank body to move down；

Stop assembly, always with contact activated component to limit the trend that actuating assembly driving tank body moves down, and it is described Stop assembly can disengage under the air stream drives caused by the suction at suction nozzle with actuating assembly to release to actuating assembly Limitation.

Air-flow for ease of generating air-breathing pushes stop assembly, and the lower part of the housing, which is provided with, to be connected with suction nozzle First air inlet, the air-flow in channel between first air inlet and suction nozzle can drive the stop assembly, by setting The first air inlet is set, the air-flow in channel between the first air inlet and suction nozzle becomes larger, so that can inhale without excessive suction Enter drug.

In order to guarantee the user of all ages and classes apply compatible with its age suction can reliable Sucked medicine, it is described Lower part of the housing also sets up at least one second air inlet, is equipped with gear that can be mobile relative to the second air inlet in second air inlet Plate, the baffle can block the second at least local air inlet.So solves child's forced suction and stop group cannot be triggered Part cause drug cannot suck or adult gently air-breathing stop assembly is triggered and the problem of drug not can enter lung.

Preferably, the actuating assembly includes resisting block and the driving wheel that can drive resisting block rotation, the driving wheel There is the trend rotated around own axes under the action of energy storage component, and the tank body passes through drive mechanism with driving wheel It rotates and spray can be moved down；

The stop assembly includes stop-motion seat and the scotch that matches on stop-motion seat and with the resisting block, institute Stop-motion seat is stated by the opposite housing into rotation of the air stream drives energy so that resisting block is disengaged with scotch, while being configured with first Torsional spring, so that the stop-motion seat has the trend for turning to that resisting block and scotch gear are matched always under first torsional spring effect.

For ease of releasing limitation of the stop assembly to actuating assembly, the wall surface for the scotch being in contact with the resisting block For arc surface, arc surface design is advantageous in that the power for applying very little to stop-motion seat can release between resisting block and scotch Gear is matched, and achievees the effect that a kind of " art is good for strength ".

In order to guarantee stop assembly to the functional reliability of brake assemblies, the stop assembly further includes being located at described first The check plate in channel between air inlet and suction nozzle, the shell is interior to be equipped with baffle plate, in the resisting block and scotch phase In the state of supporting, the check plate offsets with baffle plate, so prevents stop-motion seat from rotating excessively and making under the effect of the first torsional spring Check plate is obtained to disengage with baffle plate.

The drug that medicine bottle initially sprays usually is mixed with bubble, and the stop-motion seat is equipped with the shifting block for being pierced by shell, the shell Body is equipped with the limiting slot of limit shifting block shift motion.It artificially forces on shifting block and drives stop-motion seat movement, to release to actuating The limitation of component sprays initial drug so that the tank body of medicine bottle moves down.

Preferably, the energy storage component includes the tightening sleeve being set in the housing and the second torsional spring, the tightening sleeve and actively Wheel coaxial arrangement, the both ends of second torsional spring are separately connected tightening sleeve and driving wheel, and the tightening sleeve can be under external force It can make second torque spring energy store around own axis, and be additionally provided between the tightening sleeve and shell and rotated in tightening sleeve Afterwards relative to shell positioning location structure, the second torque spring energy store and make driving wheel have rotation trend.

In order to enable medicine bottle can be replaced, the fixation being connected between tank body by clamping structure is arranged on the tank body Frame, the tightening sleeve are sheathed on fixed frame and are equipped with therebetween the sleeve that the opposite shell of energy is moved up and down and circumferentially rotated, It is connected between the sleeve and tightening sleeve by the connection structure that can be dismantled, in the state that the sleeve is placed in shell, The clamping structure is locked by sleeve and is pressed on the fixed frame on tank body, removes the intracorporal state of shell in the sleeve Under, the clamping structure is unlocked and keeps the tank body mobile relative to fixed frame, and such medicine bottle can also take out out of shell, make Obtaining inhalator can reuse.

The location structure can have a variety of structures form, it is preferable that the outer wall of the tightening sleeve, which is equipped with, has elasticity The first button foot, the inner wall of the shell is equipped with the catching groove entered for the first button climbers, and the first button foot and catching groove constitute The location structure.

The drive mechanism can have a variety of structures form, it is preferable that and the inner wall of the driving wheel is equipped with the first convex block, The outer wall of the fixed frame, which is equipped with, slides at least two the first circumferentially spaced guide grooves being embedded for the first convex block, Each first guide groove circumferentially spiral extension from top to bottom, linking has convex for first between two neighboring first guide groove Block is moved to the horizontal part of another first guide groove, shifting of first convex block on the horizontal part from first guide groove The dynamic time is adapted with the spray date of medicine bottle, and the first convex block on the driving wheel and the first guide groove on fixed frame constitute The drive mechanism.The drive mechanism structure is simple, and functional reliability is high.

Learn energy storage component to the energy storage state of actuating assembly for the ease of user, in the tightening sleeve circumferentially arranged with In the identification strip of display energy storage component working condition, the shell is equipped with the first window locally exposed for identification strip or institute Stating and corresponding to the position of identification strip on shell is locally at least transparent material.According to the mark on identification strip, user can intuitively know Know the energy storage situation of actuating assembly.

For ease of releasing limitation of the stop assembly to the first final-stage gear, it is preferable that be equipped in the shell for pacifying The bracket of stop-motion seat is filled, the actuating assembly further includes the first final-stage gear on bracket, and the resisting block is set to first On final-stage gear, circumferentially arranged with active teeth portion on the driving wheel, between the active teeth portion and the first final-stage gear directly Engaged transmission or the indirect engaged transmission of the first intermediate gear being set on bracket by least one.Because from the first final-stage gear extremely Driving wheel, can multi-stage speed-reducing make so that limitation of the stop assembly to the first final-stage gear can be released by applying lesser suction First final-stage gear is rotated and is finally transmitted power on driving wheel.

Compared with prior art, advantages of the present invention: 1, the present invention passes through setting energy storage component and stop assembly, energy storage group Part is used for actuating assembly energy storage, and stop assembly works under energy storage component effect for limiting actuating assembly, and such user is logical After energy storage component is crossed to actuating assembly energy storage, then air-breathing releases limitation of the stop assembly to actuating assembly at suction nozzle Sucked medicine, without on one side Sucked medicine, while always and press some component, rapid operation is convenient, and in energy storage component, actuating At component and stop assembly and suction nozzle under the mutual cooperation of air-breathing, so that tank body is obtained and moved down compared with large driving force and such as liquid can be sprayed The drug of body shape；In addition user need to use suitable suction that could release limitation of the stop assembly to actuating assembly, the i.e. sucking Device start user could automatically when sucking suitable air-flow makes drug effectively reach lesions position by spraying, avoids biography The problem for drug waste caused by inhalator maloperation or the dosage deficiency of uniting, is not being had using the user of conventional inhaler such as In the case where so that drug is entered lesions position using enough suction, just trigger medicine bottle spray, so not only cause drug waste and There is no the drugs for sucking sufficient dosage for the lesions position of user, therefore inhalator of the invention guarantees user by drug inspiration lesion The high reliablity at position；2, the present invention is adjustable the second air inlet of intake size by setting, thus make inhalator for All ages and classes, physical condition user can be applicable in, solve that the lesser user of strength is more laborious in Sucked medicine and power The problem of drug cannot be fully entrained lung again by gas biggish user；3, the wall of the scotch of the invention contacted with resisting block Face is arc surface, and so applying lesser power to stop-motion seat can be such that scotch and resisting block disengages, to release stop group Limitation of the part to actuating assembly, so that making user only needs lesser suction that can trigger stop assembly with Sucked medicine；4, tank body It is connected between fixed frame by clamping structure, in the state that sleeve removes in shell, clamping structure is unlocked and makes tank body Can be mobile relative to fixed frame, so that medicine bottle be enable to dismantle the medicine bottle in order to more renew out of shell, i.e. inhalator can weigh It is multiple to use.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the embodiment of the present invention；

Fig. 2 is the cross-sectional view of Fig. 1；

Fig. 3 is the decomposition diagram (removing shell) of Fig. 1；

Fig. 4 is the decomposition diagram of the part B structure in Fig. 3；

Fig. 5 is the structural schematic diagram of the driving wheel in Fig. 4；

Fig. 6 is the structural schematic diagram of the lower case in Fig. 1；

Fig. 7 is to remove the bottom view after shell in Fig. 1；

Fig. 8 is the structural schematic diagram for removing shell in Fig. 1；

Fig. 9 is the structural schematic diagram for removing bracket in Fig. 8；

Figure 10 is enlarged drawing at the A of Fig. 2；

Figure 11 is the structural schematic diagram of the dose counting component in Figure 10；

Figure 12 is the partial structural diagram of Figure 11；

Figure 13 is the partial structural diagram of Figure 12；

Figure 14 is the structural schematic diagram of the drive disk in Figure 13；

Figure 15 is the structural schematic diagram of the drive rod in Figure 13；

Figure 16 is the structural schematic diagram of the knob and sleeve in Fig. 2；

Figure 17 is the structural schematic diagram of the primary pinion in Figure 13；

Figure 18 is the test administrated method figure of inhalator of the embodiment of the present invention；

Figure 19 is a drug method figure of inhalator of the embodiment of the present invention；

Figure 20 is the medicine bottle replacing options figure of inhalator of the embodiment of the present invention.

Specific embodiment

The present invention will be described in further detail below with reference to the embodiments of the drawings.

As shown in Fig. 1~20, the inhalator of this preferred embodiment includes shell 1, medicine bottle 2, for showing residue in medicine bottle 2 Dose counting component, energy storage component, actuating assembly and the stop assembly of dosage, wherein medicine bottle 2 is detachably arranged in shell 1 simultaneously The opposite shell 1 of energy moves up and down.As shown in Fig. 2, medicine bottle 2 can be existing frequently-used inhalator jar, inhalator jar tool in the present embodiment There is generally columned tank body 21, there is the concave portion 24 being recessed inwardly on the periphery wall of tank body 21, be located at 21 oral area of tank body Valve rod 22 it is prominent from the oral area of tank body 21, by built-in spring not shown in the figure, making valve rod 22 always has to prominent The overhanging trend in direction and cause 21 oral area of tank body to generally remain in off position；If in a manner of the elastic force for resisting spring The tank body 21 of inverted inhalator jar is depressed, then valve rod 22 is pressed into inhalator jar, and the aerosol containing drug is sprayed out of valve rod 22 Agent, wherein medicine bottle 2 and valve rod 22 use the prior art, and working principle is no longer described in detail.

As shown in Figure 1, 2, wherein shell 1 is formed by connecting by upper housing 1a and lower case 1b, and suction is formed on lower case 1b Mouth 11, detachable cover is equipped with the suction nozzle cover 111 of closing suction nozzle 11 on suction nozzle 11.Medicine bottle 2 is inverted from top to bottom to be set in shell 1, Tank body 21 opposite shell 1 can move down under actuating assembly driving to spray drug, and valve rod 22 is inserted in spray head 12, spray First 12 are inserted on the bracket 17 in lower case 1b, and spray head 12 is equipped with the spray orifice 121 towards suction nozzle 11, so that medicine Drug in bottle 2 sprays from spray orifice 121, and is inhaled by a patient through suction nozzle 11.

But on one side operate actuating assembly, while exist at suction nozzle 11 Sucked medicine inconvenient and more expense for patient Power, therefore this is solved the problems, such as by the way that above-mentioned energy storage component and stop assembly is arranged.

The trend that energy storage component is connected with actuating assembly and makes actuating assembly that there is driving medicine bottle 2 to move down, and stop group Part has contact activated component always to limit the trend that actuating assembly driving medicine bottle 2 moves down, and stop assembly can be in suction nozzle 11 It disengages under air stream drives caused by the suction at place with actuating assembly to release the limitation to actuating assembly.In this way, patient Energy storage component need to only be first passed through to actuating assembly accumulation of energy, the trend for making actuating assembly that there is driving medicine bottle 2 to move down, then in suction nozzle Air-breathing makes the air stream drives stop assembly of flowing at 11, so that stop assembly releases the limitation to actuating assembly, subsequent medicine bottle 2 Injection drug can be moved down under the driving of actuating assembly.The mode of operation is not necessarily to press or operate always some component, It operates more laborsaving.

When user's air-breathing at suction nozzle 11, the air inlet at the gap of the assembling of shell 1 can use to drive stop group Part, but it is preferred that be provided with the air inlet being connected with suction nozzle 11 on the lower case 1b of the present embodiment, the air inlet can be with To be multiple, in order to distinguish, stop assembly can be driven from the air-flow that wherein an air inlet is come in, which is known as the first air inlet 13a。

As shown in figs. 3 to 9, the fixed frame 5 being connected between tank body 21 by clamping structure is arranged on medicine bottle 2, this is solid Determining frame 5 includes the upper holder 54 and lower fixed frame 55 being fixedly linked, and upper holder 54 is encircled on tank body 21, lower fixed frame 55 Positioned at the outside of spray head 12.Energy storage component includes that the tightening sleeve 6 being set in shell 1 and the second torsional spring 61, tightening sleeve 6 are sheathed on Fixed frame 54 is outer and is equipped with sleeve 64 therebetween, and the opposite shell 1 of 64 energy of sleeve is moved up and down and can be circumferentially rotated, on sleeve 64 End forms the knob positioned at 1 top of shell, which is mounting rack 641, and sleeve 64 and tightening sleeve 6 pass through the company that can be dismantled Binding structure is connected.Flexible second button foot 53, the concave portion of the second button foot 53 and medicine bottle 2 are formed on upper holder 54 24 are adapted, and the cooperation of the second button foot 53 and concave portion 24 forms above-mentioned clamping structure, i.e., when medicine bottle 2 is inserted into shell 1 Afterwards, the second button foot 53 on upper holder 54 can be extend into the concave portion 24 of medicine bottle 2, to position to medicine bottle 2.But in order to Prevent under external force medicine bottle 2 above-mentioned sleeve is just utilized in the present embodiment relative to the axially opposing displacement of upper holder 54 64, when sleeve 64 is inserted between tightening sleeve 6 and upper holder 54, clamping structure is locked by sleeve 64, that is, can be to prevent Only the second button foot 53 flicks outward, that is, firmly limits the second button foot 53 in concave portion 24, so that fixed frame 5 It is pressed on tank body 21, keeps fixed frame 5 and tank body 21 relatively fixed in the axial direction.

It includes the L-type on 6 inner wall of tightening sleeve that structure is wherein removedly connected between above-mentioned sleeve 64 and tightening sleeve 6 Slot 65 and the inserted block 642 on 64 outer wall of sleeve, the upper edge of aforementioned L-type slot 65 from tightening sleeve 6 extend downwardly setting, institute Inserted block 642 is stated to be inserted in L-type slot 65.In this way, the vertical section of inserted block 642 from L-type slot 65 slide downward into horizontal segment can Realize the assembly of sleeve 64 and tightening sleeve 6, the horizontal segment of inserted block 642 from L-type slot 65 slips into vertical section and moves up i.e. It is able to achieve the disassembly of sleeve 64 and tightening sleeve 6, after sleeve 64 moves upward out shell 1, clamping structure is unlocked, the second button foot 53 It is no longer pressed in concave portion 24, i.e., the close-fitting between the second button foot 53 and concave portion 24 to the direction pop-up far from medicine bottle 2 It closes and disappears, the medicine bottle 2 that medicine bottle 2 can be removed out of shell 1 more to renew.Certainly, detachable between sleeve 64 and tightening sleeve 6 Connection structure is not limited to shown in the embodiment.

As shown in Figure 8,9, wherein actuating assembly include driving wheel 31, the first intermediate gear 33, the first final-stage gear 32 with And resisting block 321, the first intermediate gear 33 and the first final-stage gear 32 are set on bracket 17, resisting block 321 is set to the first end On grade gear 32, circumferentially arranged with active teeth portion 311 on driving wheel 31, lead between active teeth portion 311 and the first final-stage gear 32 Cross at least one first intermediate gear 33 engaged transmission indirectly, aforementioned first intermediate gear 33 and the first final-stage gear 32 can be with It certainly can also direct engaged transmission between active teeth portion 311 and the first final-stage gear 32 for duplicate gear.

The stop assembly includes being set on bracket 17 and capable of rotating relative to bracket 17 (bracket 17 is fixed on shell 1) In stop-motion seat 4, the scotch 41 on stop-motion seat 4 and the channel between above-mentioned first air inlet 13a and suction nozzle 11 Check plate 44 is additionally provided with baffle plate 171 on bracket 17, in the state that above-mentioned resisting block 321 offsets with scotch 41, check plate 44 offset with baffle plate 171, and the wall surface for the scotch 41 for referring to Fig. 7, and being in contact with resisting block 321 is arc surface.Wherein The air-flow (air-flow as shown in Fig. 7 arrow) or outer power drive that the check plate 44 of stop-motion seat 4 is come at 13a in first air inlet Can the opposite rotation of bracket 17 (be rotated in an anti-clockwise direction in Fig. 7) so that resisting block 321 is disengaged with scotch 41, and it is described Stop-motion seat 4 has the trend for turning to resisting block 321 and scotch 41 and offseting always under the effect of the first torsional spring 42, first torsion 42 one end of spring is connected with stop-motion seat 4, and the other end is connected with bracket 17.Check plate 44 and baffle plate 171 keep off the effect matched and are to prevent Only in the state that the first torsional spring 42 is rotated by resisting block 321 and the gear of scotch 41 and matches, stop-motion seat 4 continues stop-motion seat 4 Rotation instead results in resisting block 321 and disengages again with scotch 41.

Arc surface design is advantageous in that the power for applying very little to stop-motion seat 4 can release scotch 41 to resisting block 321 Gear match, achieve the effect that a kind of " art is good for strength ".

Driving wheel 31 and tightening sleeve 6 are coaxially disposed, and the top of driving wheel 31 is sheathed on the lower part of tightening sleeve 6, this reality It applies in example, in the state that sleeve 64 and tightening sleeve 6 assemble, 180 ° of knob, tightening sleeve 6 is circumferential with respect to shell 1 therewith to be turned It is dynamic, and the location structure positioned after the rotation of tightening sleeve 6 relative to shell is additionally provided between tightening sleeve 6 and shell 1；And second The both ends of torsional spring 61 are separately connected tightening sleeve 6 and driving wheel 31, so that driving wheel 31 also has the trend rotated around own axes, I.e. energy storage component completes the energy storage to actuating assembly.But because the gear between resisting block 321 and scotch 41 is matched, driving wheel 31 It can not rotate, need user's air-breathing at suction nozzle 11 that stop-motion seat 4 is rotated, and then release scotch 41 to resisting block 321 Limitation, then driving wheel 31 could rotate.

As shown in Fig. 3,4,5, the rotation of driving wheel 31 drives medicine bottle 2 to move down by following drive mechanism: driving wheel 31 Lower part be sheathed on outside lower fixed frame 55, the inner wall of driving wheel 31 is equipped with the first convex block 312, on the outer wall of lower fixed frame 55 Equipped with the first guide groove 51 for 312 sliding gomphosis of the first convex block, the first guide groove 51 is along the circumferential spiral shell from top to bottom of driving wheel 31 It revolves shape to extend, the first guide groove 51 has at least two and circumferentially spaced, is connected between two neighboring first guide groove 51 There are the horizontal part 52 for being moved to another first guide groove 51 from first guide groove 51 for the first convex block 312, the first convex block 312 Traveling time on horizontal part 52 is adapted with the spray date of medicine bottle 2.In this way, when driving wheel 31 rotates, the first convex block 312 It hoists side direction rotation along the lower of the first guide groove 51, the first guide groove 51 will be pressed and make lower fixation during this Frame 55 drives tank body 21 to move down, and when the first convex block 312 is moved to horizontal part 52, medicine bottle 2 starts to spray, and spray terminates When, the first convex block 312 is moved to the upper area of another first guide groove, 51 lower, at this time effect of the tank body 21 in built-in spring Under move up reset, so that the first convex block 312 and the lower of another first guide groove 51 is offseted, like this in cycles, on demand It drives medicine bottle 2 to move down to spray.

In order to enable user can learn that energy storage component to the energy storage situation of actuating assembly, is fixed in shell 1 and is arranged In the fixing piece 18 in tightening sleeve 6, tightening sleeve 6 can the rotation of opposed fixed member 18.The inner wall of fixing piece 18 is equipped with catching groove 15, twists Fixed 6 outer wall is equipped with elasticity and can snap into the first button foot 62 in catching groove 15, the first button foot 62 and catching groove 15 Constitute above-mentioned location structure.It is detained when the first button foot 62 is buckled in catching groove 15 because the restoring force of the first button foot 62 will be hit The inner wall of slot 15 and " click " sound heard can be generated.Because 180 ° of operations of disposable rotation are more difficult, the present embodiment In, there are four catching groove 15 is uniformly distributed, there are two the first button foot 62 is symmetrical arranged, by clockwise direction when being overlooked in Fig. 3 by tightening sleeve 6 Half-turn is rotated, can hear two sound click sounds, at this time because driving wheel 31 is not able to rotate, the second torsional spring 61 is in energy storage state.And And in this case, it offsets because of 62 front of the first button foot with catching groove 15, tightening sleeve 6 will not (Fig. 3 overlook direction) rotation counterclockwise The second torsional spring 61 is allowed to release energy.

In addition, being equipped on driving wheel 31 and shell 1 for 63 innings of identification strip circumferentially arranged with identification strip 63 in tightening sleeve 6 The first window 16 that portion exposes can also will correspond to the position at least local setting of identification strip 63 certainly on driving wheel 31 and shell 1 For transparent material.Identification strip 63 may be configured as the band of discoloration, for example actuating assembly is in first window 16 when under energy storage state The identification strip 63 at place is red, and the identification strip 63 after the completion of actuating assembly work at first window 16 is white.Certain identification strip The forms such as 63 or text, number.

As shown in Figure 6,7, in order to enable inhalator can be suitable for the user of different age group, different physical conditions, shell 1 lower part of body is additionally provided with the second air inlet 13b being connected with spray orifice 121, and energy opposite second is equipped at second air inlet 13b Air inlet 13b mobile baffle 131, baffle 131 can block the second at least local air inlet 13b.It is opposite on 1 inner wall of shell to set It sets there are two the conducting bar 132 extended from top to bottom, two conducting bars 132 are located at the two sides of the second air inlet 13b, baffle 131 Activity is inserted in the conducting bar 132 of respective side respectively for opposite two sidewalls, adjusts the second air inlet by moving up and down baffle 131 The intake size of mouth 13b.Such as child, the intake at the second air inlet 13b can be turned down, it is so most of Air-flow enters from the first air inlet 13a, is easy to push the check plate 44 of stop-motion seat 4 to rotate to release the limit to actuating assembly System guarantees that child had both been not necessarily to also ensure that suction is enough that drug is made to enter lung with excessive suction；It, can for adult Intake at second air inlet 13b is tuned up, so from the first air inlet 13a enter air-flow it is smaller, user need using Biggish suction can just make the rotation of stop-motion seat 4 to release the limitation to actuating assembly, cannot if otherwise adult is firmly too small Guarantee that drug enters lung.

Preferably, scale can be identified, at the second air inlet 13b for being adjustable intake size to remind user can Baffle 131 to be moved at suitable scale.Certainly, air inlet quantity is not limited to two.

As shown in Fig. 6~9, because the drug that new medicine bottle 2 ejects when just beginning to use can be mixed with bubble, only Dynamic seat 4 is equipped with the shifting block 43 for extending shell 1, and shell 1, which is equipped with, to be stretched out for shifting block 43 and limit 43 shift motion of shifting block Limiting slot 14.It artificially forces on shifting block 43, rotates in an anti-clockwise direction stop-motion seat 4 by Fig. 7, the rotation of scotch 41 is driven to release Limitation to actuating assembly, to check the drug condition ejected.

As shown in Figure 10~17, in the present embodiment, knob is the mounting rack 641 with accommodating cavity 6412, dosimeter array Part includes counting scale 7, actuator and linkage, and wherein actuator is a driving that can be moved under vertically with medicine bottle 2 Bar 8, medicine bottle 2 is mobile to be worked or be reset to original state (being zeroed) by following form flip-flop number disk 7: drive rod 8 passes through Linkage is connected with counting scale 7, and the linear motion of drive rod 8 is converted to the rotary motion of counting scale 7 and is counted, And in the state that drive rod 8 is detached from medicine bottle 2, drive rod 8 can drive the counting scale 7 mutually to separate with linkage, and make described Counting scale 7 be reset to original state.

In the present embodiment, what drive rod 8 can be up and down is set on mounting rack 641, lower end and the medicine bottle 2 of drive rod 8 Top offsets, top towards mounting rack 641 roof, and drive rod 8 the first elastic component 8a effect under keep down it is mobile Trend, first elastic component 81 are spring, and both ends bear against the roof and drive rod 8 of mounting rack 641.

Counting scale 7 and linkage are set in accommodating cavity 6412, and counting scale 7 is located at 8 radial direction of drive rod Side.Wherein linkage includes primary pinion 91 and the second final-stage gear 91a on the mounting rack 641, drive rod 8 and just Grade gear 91 is connected to drive primary pinion 91 to rotate by driving structure, and counting scale 7 is equipped with and the second final-stage gear 91a The teeth portion 71 being meshed, the second final-stage gear 91a and primary pinion 91 pass through at least one the second engagement indirectly of intermediate gear 93 Transmission, certain teeth portion 71 and primary pinion 91 can also direct engaged transmissions.Partial gear, i.e. teeth portion can also be used in counting scale 7 There is a certain distance between 71 first tooth and the last one tooth, with after preventing inhalator from having used to maximum dose still Continuing to use causes dose counting component locked.

Wherein driving structure includes drive disk 81, drive rod 8, drive disk 81 and the installation of 91 coaxial line of primary pinion and three It sets gradually from inside to outside, i.e., drive disk 81 is between drive rod 8 and primary pinion 91.The inner wall of drive disk 81 is equipped with and leads To item 811, the periphery wall of drive rod 8 is equipped with from top to bottom along the second guiding of (Figure 15 overlook direction) spiral setting clockwise Slot 82, gib block 811 are adapted and are slided with the shape of the second guide groove 82 and be embedded in the second guide groove 82.

When tank body 21 is moved downward to spray, drive rod 8 is moved down under the first elastic component 8a effect until first Position, in the process, gib block 811 is moved along the second guide groove 82 so that drive disk 81 is (overlook direction in Figure 13) counterclockwise Rotation, and the periphery wall of drive disk 81 is equipped with pushing part 812 in the present embodiment, there are two pushing part 812 is symmetrically set, is asked Referring to Figure 14, and it is located on the end of elastic arm 81a circumferentially, 812 front of pushing part is a flat surface, and back side is one the One guiding surface 812a can be drawn close when the pushing part 812 is radially compressed to the center of drive disk 81.And primary pinion 91 is interior Peripheral wall is equipped with multiple circumferentially spaced and keeps off the second convex block 911 matched, second convex block 911 with 812 phase of pushing part On also be provided with the second guiding surface 911a to match with the back side of pushing part 812.When drive disk 81 is to the front of pushing part 812 When side rotates, being offseted by front and one of them second convex block 911 of pushing part 812 can be such that primary pinion 91 turns in succession It is dynamic, therefore (overlook direction in Figure 13) is rotated and is finally transmitted power to primary pinion 91 counterclockwise under the promotion of above-mentioned drive disk 81 Second final-stage gear 91a, and then rotate counting scale 7.

Mounting rack 641 is equipped with the second window 651 or mounting rack 641 locally exposed for the counting item 73 of counting scale 7 The corresponding position for counting item 73 is at least locally transparent material.In addition, counting scale 7 is connected with third torsional spring 72, third torsional spring 72 The other end is connected with mounting rack 641, which is the torsional spring that can be axially compressed, as counting scale 7 is increased by counting Direction rotation when, the gradually accumulation of energy of third torsional spring 72.

When tank body 21 is moved up in reset state, drive rod 8 is move upwardly until under 21 thrusting action of tank body The second position, in the process, gib block 811 is moved along the second guide groove 82 so that (the vertical view side Figure 13 clockwise of drive disk 81 To) rotation, it is disengaged between the front elder generation of pushing part 812 and that second convex block 911 to offset with it, it is next when turning to When a second convex block 911, it is oriented to by the contact of corresponding first guiding surface 812a and the second guiding surface 911a, makes to push away It comes closer after dynamic portion 812 is radially compressed, when next second convex block 911 is crossed in the pushing part 812, is returned in elastic arm 81a Under the action of multiple power, the front of the pushing part 812 is set to offset again with next second convex block 911, drive rod 8 also just moves at this time It moves to the second position.In this way, when tank body 21 moves down again and drive rod 8 is caused to move down again, the pushing part 812 Front just will push next second convex block 911 of above-mentioned meaning, revolve drive portion disk 81 counterclockwise (overlook direction in Figure 13) Turn, similarly can just make 91 consecutive rotations of primary pinion.Like this in cycles, until the drug in tank body 21 is used up, The maximum number of the setting of the display of counting scale 7 at this time.

When above-mentioned tank body 21 moves up, drive rod 8 is move upwardly until the second position, according to reason, primary pinion 91 is protected It holds in stationary state；But drive disk 81 is in (overlook direction in Figure 13) rotation clockwise of opposing primary gear 91, therebetween Frictional force can be generated and rotate the generation of primary pinion 91 slightly, generation in order to prevent this phenomenon, therefore in primary pinion 91 It is equipped with the first block 912, mounting rack 641, which is equipped with, keeps off flexible second block 6411 matched with the first block 912, the The resistance of two blocks 6411 is greater than the frictional force between drive disk 81 and primary pinion 91, to prevent the up time of primary pinion 91 Needle (overlook direction in Figure 13) rotation.

When needing replacing new medicine bottle 2 after the drug in above-mentioned tank body 21 is used up, in order to continue to continue to employ dosimeter Array part is additionally provided with the driving lever 84 extended radially to above counting scale 7 on above-mentioned drive rod 8, removes in shell 1 in medicine bottle 2 In the state of, drive rod 8 moves down under the first elastic component 8a effect until the third place, counting scale 7 exists in the process It is moved down under the promotion of driving lever 84 until being disengaged from the second final-stage gear 91a, counting scale 7 is made in third torsional spring 72 at this time Original state is reset to the rotation of lower opposite direction.The stroke that drive rod 8 is moved to the third place is greater than drive rod 8 and is moved to first The stroke of position, and when drive rod 8 is moved to first position, driving lever 84 is located at 7 top of counting scale.

After being packed into medicine bottle 2 newly replaced, drive rod 8 is moved upward to the second position under the pushing tow of medicine bottle 2, counts at this time Number disk 7 is moved upward under the effect of third torsional spring 72 and engages with the second final-stage gear 91a.

From the foregoing, it will be observed that drive rod 8 is moved downward to first position and meter in the state that tank body 21 is moved downward to spray Number disk 7 turns an angle to realize primary count；In the case where tank body 21 is moved upward to reset state, drive rod 8 is moved up To the second position, counting scale 7 remains static in the process；Shell 1 is removed in medicine bottle 2 and is disengaged with drive rod 8 In the state of, drive rod 8 is moved downward to the third place and counting scale 7 is reset to original state under the effect of third torsional spring 72 (i.e. zero-bit).

Inhalator tests spraying state by method shown in Figure 18 in initial use, and first (overlooks clockwise by Fig. 3 Direction) rotation knob, stops rotating after hearing two sound click sounds, is displayed in red at first window 16 shows energy storage component at this time Complete energy storage work；Then suction nozzle cover 111 is pulled out, shifting block 43 is stirred and stop-motion seat 4 is driven to rotate counterclockwise by Fig. 7, scotch 41 Resisting block 321 is left, rotates actuating assembly under the effect of the second torsional spring 61, and medicine bottle 2 is driven to move down, starting is spraying, checks Spraying state；If spraying state is normal, covers back suction nozzle cover 111 and prepare next use, if spraying abnormal state, rotates again Knob repeats the above steps.

In the primary method of actual use medication as pressed the operation of method shown in Figure 19: 1, first by the second air inlet 13b Intake be adjusted to suitable size；2, doses remaining in medicine bottle 2 is first then checked from counting scale 7, if without doses remaining Replace medicine bottle 2；If 3, there is doses remaining, first (by Fig. 3 overlook direction) direction rotates knob clockwise, hears two sound click sounds After stop rotating, be displayed in red at first window 16 at this time show energy storage component be completed energy storage work；4, suction nozzle is then pulled out Lid 111 contains 11 forced suction of suction nozzle, at this point, the air-flow entered at the first air inlet 13a will push check plate 44, and drives Stop-motion seat 4 is rotated counterclockwise by Fig. 7, and scotch 41 leaves resisting block 321, turns actuating assembly under the effect of the second torsional spring 61 It is dynamic, and medicine bottle 2 is driven to move down, it is spraying to start, and counting scale 7 rotates in breathing process；5, after chemical spray, lid It returns suction nozzle cover 111 and prepares next use.

The method for replacing medicine bottle 2 is as shown in figure 20, and (by Fig. 3 overlook direction) direction counterclockwise rotates knob, makes sleeve 64 On inserted block 642 be detached from tightening sleeve 6 L-type slot 65, take out sleeve 64, then extract medicine bottle 2, medicine bottle 2 taking-up after, counting scale 7 turn to reset clean state, are then charged into new medicine bottle 2, put in back sleeve 64, and (press Fig. 3 overlook direction) clockwise and revolve Button is rotated, makes the inserted block 642 on sleeve 64 again positioned at the horizontal segment of the L-type slot 65 of tightening sleeve 6, and is locked at sleeve 64 In tightening sleeve 6.

Claims (13)

1. a kind of breath actuated inhaler, including

Shell (1), shell (1) lower part have suction nozzle (11)；

Medicine bottle (2), from top to bottom be set to shell (1) in, including for storing drug tank body (21), be set to tank body (21) oral area Valve rod (22) and the spring that resets after making valve rod (22) to be pressurized；

Spray head (12) is set in shell (1), and spray head (12) is equipped with the spray orifice (121) towards suction nozzle (11), the valve rod (22) It is inserted in spray head (12)；

Actuating assembly is connected with tank body (21) and tank body (21) can be driven to move down with respect to shell (1)；

It is characterized in that, further including

Energy storage component, the trend for being connected with actuating assembly and making actuating assembly that there is driving tank body (21) to move down；

Stop assembly, always with contact activated component to limit the trend that actuating assembly driving tank body (21) moves down, and it is described Stop assembly can disengage under the air stream drives caused by the suction at suction nozzle (11) with actuating assembly to release to actuating The limitation of component.

2. breath actuated inhaler according to claim 1, it is characterised in that: shell (1) lower part is provided with and inhales The first air inlet (13a) that mouth (11) is connected, the gas in channel between first air inlet (13a) and suction nozzle (11) Stream can drive the stop assembly.

3. breath actuated inhaler according to claim 2, it is characterised in that: shell (1) lower part is also set up at least One the second air inlet (13b) is equipped with baffle that can be mobile relative to the second air inlet (13b) at second air inlet (13b) (131), the baffle (131) can block at least local the second air inlet (13b).

4. breath actuated inhaler according to claim 2 or 3, it is characterised in that: the actuating assembly includes resisting block (321) and driving wheel (31) that resisting block (321) can be driven to rotate, the driving wheel (31) has under the action of energy storage component Have the tendency that rotating around own axes, and the tank body (21) by drive mechanism with driving wheel (31) rotation can downwards Mobile spray；

The stop assembly include stop-motion seat (4) and be set to stop-motion seat (4) on and matched with the resisting block (321) only Motion block (41), the stop-motion seat (4) can be rotated relative to shell (1) so that resisting block (321) and scotch by the air stream drives (41) it disengages, while being configured with the first torsional spring (42), so that the stop-motion seat (4) begins under first torsional spring (42) effect There is the trend that resisting block (321) and scotch (41) fasten that turns to eventually.

5. breath actuated inhaler according to claim 4, it is characterised in that: be in contact with the resisting block (321) The wall surface of scotch (41) is arc surface.

6. breath actuated inhaler according to claim 4, it is characterised in that: the stop assembly further includes positioned at described Check plate (44) in channel between first air inlet (13a) and suction nozzle (11), the shell (1) is interior to be equipped with baffle plate (171), in the state that the resisting block (321) and scotch (41) offset, the check plate (44) and baffle plate (171) phase It supports.

7. breath actuated inhaler according to claim 4, it is characterised in that: the stop-motion seat (4) is equipped with and is pierced by shell The shifting block (43) of body (1), the shell (1) are equipped with the limiting slot (14) of limit shifting block (43) shift motion.

8. breath actuated inhaler according to claim 4, it is characterised in that: the energy storage component includes being set to shell (1) tightening sleeve (6) and the second torsional spring (61) in, the tightening sleeve (6) and driving wheel (31) are coaxially disposed, second torsional spring (61) both ends are separately connected tightening sleeve (6) and driving wheel (31), and the tightening sleeve (6) can under external force can be around itself axis Line rotates and makes the second torsional spring (61) energy storage, and is additionally provided between the tightening sleeve (6) and shell (1) in tightening sleeve (6) Location structure after rotation relative to shell positioning.

9. breath actuated inhaler according to claim 8, it is characterised in that: be arranged on the tank body (21) and tank body (21) between by clamping structure be connected fixed frame (5), the tightening sleeve (6) be sheathed on fixed frame (5) and therebetween Equipped with the sleeve (64) that energy opposite shell (1) is moved up and down and circumferentially rotated, pass through between the sleeve (64) and tightening sleeve (6) Can disassembly connection structure be connected, the sleeve (64) be placed in shell (1) it is interior in the state of, the clamping structure is by sleeve (64) it locks and is pressed on the fixed frame (5) on tank body (21), remove the state in shell (1) in the sleeve (64) Under, the clamping structure is unlocked and keeps the tank body (21) mobile relative to fixed frame (5).

10. breath actuated inhaler according to claim 8, it is characterised in that: the outer wall of the tightening sleeve (6) is equipped with Flexible first button foot (62), the inner wall of the shell (1) are equipped with the catching groove (15) buckled into for first button foot (62), First button foot (62) and catching groove (15) constitute the location structure.

11. breath actuated inhaler according to claim 9, it is characterised in that: set on the inner wall of the driving wheel (31) Have the first convex block (312), the outer wall of the fixed frame (5), which is equipped with, slides at least two edges being embedded for the first convex block (312) The first guide groove (51) of circumferentially-spaced distribution, each first guide groove (51) circumferentially spiral extension from top to bottom, phase There is linking between adjacent two the first guide grooves (51) is moved to another the from first guide groove (51) for the first convex block (312) The horizontal part (52) of one guide groove (51), traveling time and medicine bottle of first convex block (312) on the horizontal part (52) (2) spray date is adapted, the first guide groove on the first convex block (312) and fixed frame (5) on the driving wheel (31) (51) drive mechanism is constituted.

12. breath actuated inhaler according to claim 8, it is characterised in that: on the tightening sleeve (6) circumferentially arranged with For showing the identification strip (63) of energy storage component working condition, the shell (1) is equipped with locally exposes for identification strip (63) The position that identification strip (63) is corresponded on first window (16) or the shell (1) is locally at least transparent material.

13. breath actuated inhaler according to claim 4, it is characterised in that: be equipped in the shell (1) for installing The bracket (17) of stop-motion seat (4), the actuating assembly further include the first final-stage gear (32) on bracket (17), the card Support block (321) is set on the first final-stage gear (32), described circumferentially arranged with active teeth portion (311) on the driving wheel (31) Between active teeth portion (311) and the first final-stage gear (32) directly engaged transmission or by least one be set to bracket (17) on The indirect engaged transmission of first intermediate gear (33).