CN207640761U - A kind of powder medicine inhalator - Google Patents

Abstract

This application discloses a kind of powder medicine inhalators, including：Loading plate, thereon perforation open up through hole；Suction nozzle is connected to the top of the loading plate and at the through hole；Capsule chamber is connected to the lower section of the loading plate and at the through hole；Lower casing, upper part are uncovered structure, and the loading plate is connected at the open topped of the lower casing, and the lower casing accommodates the capsule chamber in the inner；A gap that the lower casing bottom is extended to from the lower shell upper portion opening side, the rotation window for the transparent material that the opening position arrangement is pivotally connected there are one upper end with the loading plate are offered on the shell wall of lower casing.This powder medicine inhalator of the application is more convenient user and observes capsule chamber situation, while convenient for users to being cleaned to lower casing and capsule chamber.

Description

A kind of powder medicine inhalator

Technical field

This application involves a kind of powder medicine inhalators, for conveying powder-type medicament, are exhaled in particular for conveying treatment Inhale the powder-type medicament of tract disease (such as asthma and chronic obstructive pulmonary disease).

Background technology

Known powder pharmaceutical inhalator technical field has various different types of powder pharmaceutical inhalators.Existing powder Drug inhalator can be divided into three categories：

The first kind：Depot powder pharmaceutical inhalator, internal there are one the storage caverns that can store doses powder, should There are one the components that can be quantified for powder pharmaceutical inhalator, can isolate the powder of doses out of storage cavern in each braking End is then demultiplex out the powder come by purging line, is inhaled into patient's body.The shortcomings that such powder inhalation：One, every time The amount for delivering powder is unstable；Two, the poor sealing of such powder pharmaceutical inhalator, so the powder in more moist environment It is easy to make moist, influences expected effect；Three, it during powder detaches in storage cavern, has amount of powder residual and arrives the powder Inside drug inhalator, which can be polluted, cause to cause user certain harm.

Second class：Multi-dose type powder pharmaceutical inhalator, powder are bubbles in the bubble-cap being independently stored in advance in blister strips Cover is evenly distributed in blister strips, and blister strips are installed on the rotating disc inside powder pharmaceutical inhalator；Often brake a powder Drug inhalator is just pushed aside there are one bubble-cap, and powder is inhaled into patient's body by discharge pipe.Such powder pharmaceutical inhalator It preferably ensure that the leakproofness of powder；Its disadvantage：One, poor repeatability, the same powder pharmaceutical inhalator is forward and backward to be delivered to trouble Having differences in person's body；Two, medicinal powder residual is had inside the powder pharmaceutical inhalator, which can be caused Pollution, causes to cause user certain harm；Three, powder residual is had in bubble-cap, and the performance of powder is caused not reach Expected effect；

Third class：Single-dose type powder pharmaceutical inhalator, powder are independently stored in advance in single capsule, capsule distribution On capsule board, patient takes out capsule from capsule board first when in use, and the capsule of taking-up is then put into powder In the capsule chamber of drug inhalator, button press capsule is punctured, and powder is inhaled into patient's body by discharge pipe.It is existing such The shortcomings that product：One, existing powder pharmaceutical inhalator poor reliability；Such as：1. during puncturing, rupture component and button portion Part is detached from；2. button cannot be pressed normally and be opened, all powder pharmaceutical inhalator can be prevented from normal use；Two, powder pharmaceutical inhalator It cannot adequately be cleared up, be easy to cause pollution；Three, using inadequate hommization, use is not convenient enough；The assembly process is complicated, Fraction defective is high, and manufacturing cost is high.

More specifically, existing powder pharmaceutical inhalator has the following disadvantages：

1. using additional main shaft, a part of product cost is increased.Assembling trouble, from the viewpoint of economy this A main shaft completely can should not.

2. using a pair of transparent window, the actual size of window is restricted by strength of parts, can not be made very Greatly, also just and be not suitable for patient view's inner case, it is more likely that cause patient judge by accident inside situation, cause the later stage to take medicine When, it is even dirty to suck additional drug.The muscle position connected between two windows is superfine, so being not easy to injection molding (injection molding cost It is relatively high).

3. around capsule chamber, 3 apertures being located on bottom plate are connected to lower casing cavity, are then just connected to air.And The main stream of capsule chamber is also first to be connected to lower casing cavity, is then just connected to air, this causes the air-flow in lower casing cavity to be No cleaning can all have an impact the clean situation of this two strands of air-flows.

4. the current prior art, capsule chamber is set slightly and can move promoting button with spring on the contrary there are two point, this is pressed Button is in the capsule chamber and its inconvenient, and a pair of of point is slightly directly embedded into button, this button is directly installed in capsule chamber and its not Just, good quality management condition is not obtained, it may occur that the case where falling.

5. hole of the setting less than 1mm on bottom plate, this hole site Edge Distance capsule chamber is close, causes design of part thin Weak, not only product is easily damaged, and mold is also easily damaged.

6. the slit that the width being reduced on the bottom plate close to main shaft is formed, causes the bottom plate of this side of main shaft relatively It is weak.

Invention content

The purpose of the application is：In view of the above-mentioned problems, providing a kind of structure more cleverly powder medicine inhalator.

The technical solution of the application is：A kind of powder medicine inhalator, including：

Loading plate, thereon perforation open up through hole；

Suction nozzle is connected to the top of the loading plate and at the through hole；

Capsule chamber is connected to the lower section of the loading plate and at the through hole；

Lower casing, upper part are uncovered structure, and the loading plate is connected at the open topped of the lower casing, and the lower casing will The capsule chamber receiving is in the inner；

One is offered on the shell wall of the lower casing extends to slitting for the lower casing bottom from the lower shell upper portion opening side Mouthful, the rotation window for the transparent material that the opening position arrangement is pivotally connected there are one upper end with the loading plate.

The application further includes following preferred embodiment based on the above technical solution：

The lower end of the rotation window is buckled integrally formed with window, the bottom of the lower casing integrally formed with the window The window deck that mouth buckle matches.

The top of the loading plate fixture block that the surrounding of the loading plate is spaced apart integrally formed with several, the lower casing is spacious On the inside of mouthful the loading plate is fixed on integrally formed with the loading plate card slot that several are spaced apart, the loading plate fixture block inlay card In card slot, being fixedly connected for the loading plate and the lower casing is so realized.

Be fixedly installed a horizontal-extending shaft on the loading plate, the upper end of the rotation window integrally formed with Two rotations are nested in the window returning buckle of the C fonts outside the shaft, so realize the rotation window and the loading plate Be pivotally connected.

Further include：

Sieve is set at the air intake on the loading plate.

The sieve is fixed at the through hole on the loading plate by sieve seat.

Two sieve seat card slots positioned at the through hole radially opposite sides are offered on the loading plate, on the sieve seat It is fixed on the buckle of two sieve seats in described two sieve seat card slots integrally formed with inlay card respectively.

The suction nozzle is fixed with the sieve seat and connect.

The advantages of the application is：

1, special rotating axis component need not be additionally arranged in being pivotally connected between upper casing, suction nozzle, loading plate, lower casing, no Production and the management cost of product are only reduced, and simplifies the assembly of the powder medicine inhalator.

2, special guide frame is set between button and lower casing, can not only call-on button pressing direction, prevent by Button deviates, and can be overturn to button, easily so that loading plate is detached from lower casing, and then to lower casing and capsule Chamber is cleared up.

3, the gap that the lower casing bottom is extended to from the lower shell upper portion opening side, opening position are offered on lower casing shell wall There are one the rotation windows that upper end is pivotally connected with loading plate for arrangement.On the one hand, the rotation window ten of the transparent material can be passed through Divide and easily observes capsule in the indoor state of capsule.On the other hand, it is easier to clean lower casing, be not easy to remain, be easy drying. After having used the powder medicine inhalator, it may be reversed and open rotation window, and lower casing is rinsed by the clear water of the gap on lower casing Internal and capsule chamber, washes remaining powder during use, ensures powder medicine inhalator when using next time with this In clean clean conditions.

4, the open-minded seam of a U-shaped is offered on the shell wall of lower casing side, this, which is slitted, stitches the bottom wall of perforation lower casing, and slits The both ends of seam extend respectively to the side-walls of lower casing two opposite sides.There are one the observation windows being fixedly connected with lower casing for setting at open-minded seam Mouthful.As it can be seen that watch window has prodigious length dimension, the seam that slits is re-extended after lower casing bottom wall under by the side wall of lower casing side It is indoor in capsule so can easily to observe capsule by the watch window of the transparent material for the side-walls of the shell other side State.And integrally formed with air guide wall on the inside of watch window, the air-flow trend into capsule chamber can be optimized.

5, air inlet gap that is to lower recess and being connected with lower casing inner cavity, upper casing are offered on the open topped side of lower casing Lower part opening side on form sealing protrusive board that is downwardly projecting and matching with the air inlet gap.When upper casing is closed, Sealing protrusive board just shelters from air inlet gap, to prevent foreign object from entering the pollution indoor capsule of capsule in lower casing from the air inlet gap Drug.After upper casing is opened, sealing protrusive board is detached from air inlet gap, and outside air can enter from the air inlet gap in lower casing, in turn Into capsule chamber, under user's suction, formed by air inlet gap to lower casing inner cavity, then to capsule chamber, then through suction nozzle Flow into the air-flow in user's body.Clever structure, and the structural strength of lower casing will not be reduced.

6, the bottom of lower casing is larger round uncovered structure, the observation window of the bottom open-mouth fixed setting large area Mouthful.It is so more conducive to the cleaning situation that user observes bottom, product strength is also more favorably improved, advantageously reduces simultaneously The design and molding difficulty of lower casing and watch window molding die, improving production efficiency.

7, upper casing and suction nozzle are pivotably attached to by the c-type returning buckle being wholely set in two shafts of loading plate, and And this two shafts are arranged vertically.The power that not will produce interference suction nozzle overturning when user overturns upper casing, turns over suction nozzle When turning, it will not be limited by the space of upper casing.Greatly facilitate the use of the drug inhalator.

8, the sieve embedding slot provided with fixed grit eliminates sieve seat without sieve seat is additionally arranged on suction nozzle The stability that sieve rigging position is also ensured while structure, saves cost of goods manufactured, keeps the making of product simpler It is single, reach efficient qualitative control.

9, multiple ventholes are opened up at the top of capsule chamber, these ventholes with enter the indoor primary air interaction of capsule and Form turbulent flow so that powder medicaments can fully scatter under the drive of turbulent gases and passing sequentially through sieve and suction nozzle entrance makes In user's body, ensure that powder medicaments can be smoothly sucked out by user.

10, loading plate and capsule chamber are integral structure, and the two is integrally formed.Reduce by component compared with prior art The process for being fabricated separately, and can reducing by one of pressing when the drug inhalator assembles.

Description of the drawings

The above-mentioned and/or additional aspect and advantage of the application will become in the description from combination following accompanying drawings to embodiment Obviously and it is readily appreciated that, wherein：

Fig. 1 is the decomposition texture schematic diagram of conventional powder dose inhaler；

Fig. 2 is the decomposition texture schematic diagram of powder medicine inhalator in the embodiment of the present application one；

Fig. 3 is the overall structure diagram of powder medicine inhalator in the embodiment of the present application one；

Fig. 4 is the structural schematic diagram of loading plate in the embodiment of the present application one；

Fig. 5 is the partial structurtes sectional view of powder medicine inhalator in the embodiment of the present application one；

Fig. 6 is the stereogram of structural member shown in Fig. 5；

Fig. 7 is the partial structurtes broken away view of powder medicine inhalator in the embodiment of the present application one；

Fig. 8 is one of the structural schematic diagram of powder medicine inhalator in the embodiment of the present application two；

Fig. 9 is the second structural representation of powder medicine inhalator in the embodiment of the present application two；

Figure 10 is the decomposition texture schematic diagram of powder medicine inhalator in the embodiment of the present application three；

Figure 11 is the structural schematic diagram of upper casing in the embodiment of the present application three；

Figure 12 is the dimensional structure diagram of suction nozzle in the embodiment of the present application three；

Figure 13 is the cross-sectional view of suction nozzle in the embodiment of the present application three；

Figure 14 is the structural schematic diagram of loading plate in the embodiment of the present application three；

Figure 15 is the structural schematic diagram of lower casing in the embodiment of the present application three；

Figure 16 is the structural schematic diagram of button in the embodiment of the present application three；

Figure 17 is the second structural representation of lower casing in the embodiment of the present application three；

Figure 18 is the structural schematic diagram of watch window in the embodiment of the present application three；

Figure 19 is the dimensional structure diagram of loading plate in the embodiment of the present application four；

Figure 20 is the cross-sectional view of loading plate in the embodiment of the present application four；

Figure 21 is the structural schematic diagram of capsule chamber in the embodiment of the present application five；

Figure 22 is the structural schematic diagram of capsule chamber in the embodiment of the present application six；

Figure 23 is the structural schematic diagram of capsule chamber in the embodiment of the present application seven；

Figure 24 is the decomposition texture schematic diagram of powder medicine inhalator in the embodiment of the present application eight；

Figure 25 is the partial structurtes sectional view of powder medicine inhalator in the embodiment of the present application eight；

Figure 26 is the partial structural diagram of powder medicine inhalator in the embodiment of the present application nine；

Figure 27 is the overall structure diagram of powder medicine inhalator in the embodiment of the present application ten；

Figure 28 is the decomposition texture schematic diagram of powder medicine inhalator in the embodiment of the present application ten.

Wherein：1- loading plates, 2- sieves, 3- suction nozzles, 4- capsule chambers, 5- buttons, 6- point pins, 7- springs, 8- lower casings, on 9- Shell, 10- rotate window, 11- sieve seats, 12- watch windows；

1a- through holes, 1b- sieve seat card slots, 1c- venting slits, 1d- shafts, the second shafts of 1f-, 1g- carry board Block, 1h- loading plate lugs, 1j- inner convex platforms, 1k- outer lug boss, the left boss of 9f-, 1p- air inlet ducts, 1q- air admission holes, 1r- upper casing cards Seat, 1s- loading plate flip angle positioning protrusion；

3a- suction nozzle lugs, 3b- suction nozzle turn holes, 3c- suction nozzle flip angle positioning protrusion, 3d- upper casings install guiding groove, 3e- Sieve embedding slot, 3f- suction nozzle returning buckles；

4a-, which is led, moves hole, 4b- guide and limit plates, 4c- ventholes, 4d- capsule chamber air admission holes；

5a- leads shifting plate, 5b- anti-falling limit blocks, and 5c- upper casings open inclined-plane, 5d- guide chutes, 501- point key seats；

8a- gap, 8b- lower casing returning buckles, 8c-, which slits, to be stitched, 8d- lower casing lugs, 8e- lower casing turn holes, 8f- air inlet gap, 8g- Loading plate installs guiding groove, 8h- guide protrusions；

9a- upper casing returning buckles, 9b- upper casings buckle, 9c- upper casing lugs, 9d- upper casing flip angle positioning protrusion, 9e- sealings Protrusive board, the left boss of 9f-, 901- left shell halfs, 902- right half-shells；

10a- window returning buckles, 10b- windows buckle；

11a- sieve seats buckle；

12a- air guide walls.

Specific implementation mode

It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features, and advantages of the application Mode is applied the application is further described in detail.It should be understood that these embodiments are not limited to for illustrating the application Limit scope of the present application.The implementation condition used in embodiment can do further adjustment according to the condition of specific producer, not Dated implementation condition is usually the condition in routine experiment.Many details are elaborated in the following description in order to fill Sub-argument solution the application, still, the application can also be implemented using other different from other modes described here, therefore, this The protection domain of application is not limited by following public specific embodiment.

In the description of this specification, term " connection ", " installation ", " fixation " etc. shall be understood in a broad sense.For example, " even Connect " it can make to be fixedly connected, it may be a detachable connection, or be integrally connected；It can make to be connected directly, can also be to pass through Intermediate media are indirectly connected.For the ordinary skill in the art, it can understand that above-mentioned term exists as the case may be Concrete meaning in the application.

In the description of this specification, the orientation or positional relationship of the instructions such as term "upper", "lower" is based on shown in attached drawing Orientation or positional relationship, be merely for convenience of description the application and simplify describe, do not indicate or imply the indicated device Or unit must have specific direction, with specific azimuth configuration and operation, it is thus impossible to be interpreted as the limit to the application System.

In addition, technical characteristic described herein, technical solution can also be in one or more embodiments arbitrarily to close Suitable mode combines.For those skilled in the art, it should be readily appreciated that method related with embodiment provided herein Step or operation order can also change.Therefore, any sequence in drawings and examples is merely illustrative purposes, not secretly Show requirement in a certain order, is required unless expressly stated according to a certain sequence.

Embodiment one：

Fig. 2 to Fig. 7 shows a preferred embodiment of this powder medicine inhalator of the application, identical as traditional structure , also include：Loading plate 1, sieve 2, suction nozzle 3, capsule chamber 4, button 5, spring 7, the structural members such as lower casing 8 and upper casing 9.Its In：

Perforation offers through hole 1a on loading plate 1.

Sieve 2 is set at the through hole 1a on loading plate 1.

Suction nozzle 3 is set to the top of loading plate 1, and the suction nozzle 3 accommodates sieve 2 in the inner.

Capsule chamber 4 is detachably connected to the lower section of loading plate 1, and the capsule chamber also is located at above-mentioned through hole 1a. Capsule chamber 4 is transparent material.

Sharp pin 6 is connected on button 5, which can extend by the push action of button 5 in capsule chamber, to It punctures and is placed on the indoor capsule of the capsule.Degree punctured to capsule in capsule chamber in order to improve sharp pin 6, the present embodiment sets altogether Sharp pin 6 there are two setting, and the two sharp pins 6 are arranged parallel to.

Spring 7 is located between button 5 and capsule chamber 4, and applies the elastic force far from 4 direction of capsule chamber to button 5.

The top of lower casing 8 is uncovered structure, and loading plate 1 is fixed at the open topped for connecting the lower casing 8, simultaneously The lower casing accommodates capsule chamber 4 in the inner, is protected with being formed to capsule chamber.

The lower part of upper casing 9 is uncovered structure, and the lower part opening side of the upper casing 9 is pivotally connected with loading plate 1, by this The pivoting action of upper casing and can selectively cover/expose suction nozzle 3.

When practical application, sieve 2 is removed, after being put into equipped with the capsule of powdery medicine in capsule chamber 4, loads onto sieve 2. Press button 5, button drive sharp pin 6 to stretch into capsule chamber and capsule is punctured (after release button 5, bullet of the button 5 in spring 7 It is resetted under force effect, sharp pin 6 exits capsule chamber).Upper casing 9 is overturn and opens and exposes suction nozzle 3.User is upward by suction nozzle 3 Air-breathing, air-flow enter user's oral area by capsule chamber 4 and through hole 1a, band of the powder medicaments in capsule chamber 4 in air-flow It is sucked in user's body under dynamic.

The key improvements of the present embodiment are, one is offered on the shell wall of the lower casing 8 from the lower shell upper portion opening side The gap 8a of the lower casing bottom is extended to, arranges that there are one the rotations that upper end is pivotally connected with loading plate 1 at gap 8a Window 10.And the rotation window 10 is transparent material.

As it can be seen that rotation window 10 has prodigious length dimension, bottom is extended to by the top of lower casing 8.One side Face can very easily observe state of the capsule in capsule chamber 4 by the rotation window 10 of the transparent material.On the other hand, After having used the powder medicine inhalator, it may be reversed and open rotation window 10, and rushed with clear water by the gap 8a on lower casing 8 Lower casing inside and capsule chamber are washed, remaining powder during use is washed, ensures powder medicine inhalator next time with this Clean clean conditions are in when use.

Above-mentioned rotation window 10 and being pivotally connected for loading plate 1 are realized with this structure type：It is fixed on loading plate 1 There are a horizontal-extending shaft 1d, the upper end of rotation window 10 to be integrally formed the C words being nested in there are two rotation outside shaft 1d The window returning buckle 10a of type.When we, which pull at turn, moves window 10, the deformation energy of C font window returning buckles itself is utilized Power, window returning buckle 10a can be detached from from shaft 1d, and rotation window 10 is made to be separated from loading plate 1.When assembly, by C words Rotation window 10 is enforced after the window returning buckle 10a alignment shafts 1d of type, utilizes the deformation of C font window returning buckles itself Ability, window returning buckle 10a are just stuck in outside shaft 1d and can rotate around the axis.

The movement of 1d overturnings around the shaft of window 10 is rotated during normal use in order to prevent, and influences powder medicine suction Enter the normal use of device, the present embodiment is arranged a window in the lower end of rotation window 10 and buckles 10b, and is set in the bottom of lower casing 8 It is equipped with the window deck to match with window buckle 10b.Under normality, window buckle 10b is fixed with window deck, rotates window Mouth 10 blocks the gap 8a on lower casing 8, and sundries is avoided to enter lower casing and capsule chamber.Window is buckled into 10b from window deck Unlock separation just can very easily open the rotation overturning of window 10.

Second key improvements point of the present embodiment is, linearly extended lead is fixedly installed on button 5 and moves plate 5a, glue Be fixedly installed on capsule room 4 with lead move plate it is corresponding lead move hole 4a, lead move plate 5a be actively located in lead move hole 4a in.So guide The linear movement of button 5 and the sharp pin 6 being fixed on the button, the moving direction of button when preventing user from pressing button 5 Sending deviation, and then cause sharp pin 6 that cannot accurately stab capsule, or even lead to the problem of sharp pin 6 and be bent over or fracture.

In order to further increase the guidance quality to move linearly with sharp pin 6 to button 5, above-mentioned lead moves plate 5a and leads hole 4a points of shifting Not She Zhi there are two, and the two are led and move plate 5a parallel arrangement.

Further, it is fixedly installed in capsule chamber 4 and leads the two guide and limit plates moved outside the 4a of hole positioned at above-mentioned two 4b, above-mentioned two, which is led, moves the inside that plate 5a sliding fittings are arranged in the two guide and limit plates 4b.Guide and limit plate 4b and lead shifting The faces plate 5a contact, and eliminate to lead completely and move the possibility that plate 5a shifts in moving process.

Also, the front end for moving plate 5a is led integrally formed with anti-falling limit block 5b.In fig. 2, after leading shifting plate 5a to the right When moving back, anti-falling limit block 5b can keep off is leading move hole 4a left side, to prevent lead move plate 5a completely disengage lead move hole 4a, so Button 5 is avoided to fall off from the powder medicine inhalator.

In view of sieve 2 and the bad direct fixation of loading plate 1, a sieve seat 11 is specially provided with to this present embodiment, Above-mentioned sieve 2 to be fixed at the through hole 1a on loading plate 1 by the sieve seat 11.When assembly, first sieve 2 is packed into and is sieved In reticulum 11, then sieve seat 11 is fixed on suction nozzle 3.

The specific assembly relation of above-mentioned sieve seat 11 and loading plate 1 is：It is offered on loading plate 1 radial positioned at through hole 1a Two sieve seat card slot 1b of both sides are fixed on both of the aforesaid sieve seat card on the sieve seat 11 integrally formed with inlay card respectively Two sieve seats in slot 1b buckle 11a.

The third key improvements point of the present embodiment is that the lower surface of the loading plate 1, which offers, extends to described pass through Two venting slit 1c in through-hole, and venting slit 1c is located at 2 lower section of sieve, while this two slit 1c are arranged symmetrically in The radially opposite sides of through hole 1a.

When practical application, portion of air flows into through hole 1a by this venting slit 1c, again by suction nozzle after sieve It sucks in user's body.Flowed into from the two venting slits 1c through hole 1a air-flow import from the air master of capsule chamber bottom into Entrance (the main inlet port of air of capsule chamber bottom is the capsule chamber air admission hole 4d in the own structure of capsule chamber namely figure) flows into glue The indoor primary air of capsule, and interact and form turbulent flow, so that powder medicaments are abundant under the drive of turbulent gases It scatters and passes sequentially through sieve and suction nozzle enters in user's body.

Because inevitably there is certain gap between sieve seat 11 and loading plate 1, when in use, have a small amount of air-flow from Gap flows into and imports primary air between sieve seat 11 and loading plate 1, cause in this way the flow resistance of powder medicine inhalator with It designs scheduled flow resistance value and generates deviation.And the present embodiment, it can make to put down by adjusting the size of this two venting slit 1c Equal flow resistance and turbulence effects respectively equal to design scheduled flow resistance and turbulence effects.

Certainly, the quantity of above-mentioned venting slit 1c can also be three or four etc., in some other realities of the application If applying venting slit 1c in example is arranged to three, then this three venting slit 1c are preferably evenly distributed on the four of through hole 1a Week.

The 4th key improvements point of the present embodiment is that upper casing 9, which is pivoted with loading plate 1 using this structure type, to be connected It connects：The upper casing returning buckle that the C fonts outside above-mentioned shaft 1d are nested in there are two rotation is integrally formed on the lower part opening side of upper casing 9 9a。

In addition, the structure shape that the rotation window 10 and loading plate 1 that have been previously mentioned are pivotally connected also can be considered the present embodiment A part for 4th key improvements point.

In the present embodiment, the bottom of said suction nozzle 3 is pivotally connected with loading plate 1.Specifically, the side of being pivotally connected of the two Formula is as follows：

On loading plate 1 fixed setting one it is horizontal-extending and with the vertically arranged second shaft 1e of shaft 1d, the bottom of suction nozzle 3 Portion is integrally formed the suction nozzle returning buckle that the C fonts outside the second shaft 1e are nested in there are two rotation.

Also, suction nozzle 3 is fixed with above-mentioned sieve seat 11 and connect.In fig. 2, it when we are flipped up suction nozzle 3, inhales Mouth 3 will drive sieve seat 11 and sieve 2 to be detached from loading plate 1 together.

9b is buckled integrally formed with upper casing on the lower part opening side of upper casing 9, is buckled integrally formed with upper casing on loading plate 1 Upper casing the deck 1r, upper casing deck 1r and shaft 1d that 9b matches are distributed in the two opposite sides of the loading plate 1.When upper casing 9 is in When closed state, upper casing buckle 9b and upper casing deck 1r is fixed, to prevent upper casing 9 from loosening overturning on loading plate 1.

Inclined-plane 5c is opened integrally formed with the upper casing to match with upper casing buckle 9b on button 5, when user presses button 5 When, the upper casing on the button 5, which opens inclined-plane 5c, will contradict upper casing buckle 9b, and upper casing buckle 9b is made to be solved from upper casing deck 1r Lock separation, enables upper casing 9 freely to overturn.

In the present embodiment, loading plate 1 and lower casing 8 are fixed together with this structure type：The four of loading plate 1 Week, the open topped inside of lower casing 8 was integrally formed with multiple intervals integrally formed with multiple loading plate fixture block 1g being spaced apart The loading plate card slot of distribution, loading plate fixture block 1g inlay cards are fixed in loading plate card slot.

Embodiment two：

Fig. 8 and Fig. 9 shows second preferred embodiment of this powder medicine inhalator of the application, structure and implementation The structure of powder medicine inhalator is essentially identical in example one, and the main difference of the two is the following aspects：

First, in the present embodiment, upper casing 9 is no longer a monolithic construction, but by split type left shell half 901 and the right side Half-shell 902 is constituted, and left shell half 901 and right half-shell 902 are pivotably attached to the left and right side of loading plate 1 respectively, and the two is Opposite opened structure.

Secondly, it is no longer opened up in the present embodiment, on lower casing 8 from lower shell upper portion opening side and extends to lower casing bottom The rotation window 10 of one that structure of embodiment will not be naturally also arranged in gap 8a.But use this structure type：

The open-minded seam 8c of a U-shaped is offered on the shell wall of lower casing 8, this, which is slitted, stitches bottom wall (the i.e. bottom of 8c perforation lower casings 8 Shell wall), and the both ends for slitting seam 8c extend respectively to the side-walls of lower casing two opposite sides.Slit seam 8c place setting there are one with The watch window 12 that lower casing 8 is fixedly connected, which is non-removable with 8 connection type of lower casing, certainly in this Shen In other embodiments please, detachable connection can also be selected, for example be connected together.Watch window 12 is transparent material Matter.

As it can be seen that watch window 12 and the seam 8c that slits have prodigious length dimension, the seam 8c that slits is by under the side wall warp of 8 side of lower casing It is re-extended after shell bottom wall to the side-walls of 8 other side of lower casing, and the both ends for the seam 8c that slits are very close to 8 open topped side of lower casing. State of the capsule in capsule chamber 4 can be observed by the watch window 12 of the transparent material.

Also, 12 inside of watch window is integrally formed with air guide wall, to optimize the air-flow trend for entering capsule chamber.

Embodiment three：

Figure 10 to Figure 18 shows the third preferred embodiment of this powder medicine inhalator of the application, structure and reality The structure for applying powder medicine inhalator in example one is essentially identical, and the main difference of the two is the following aspects：

First, the connection type between upper casing 9, loading plate 1, suction nozzle 3 and lower casing 8 is different.

In the present embodiment, the bottom of said suction nozzle 3 is pivotally connected with loading plate 1.Specifically, the side of being pivotally connected of the two Formula is as follows：

There are two the loading plate lug 1h, the two loading plate lugs 1h that are spaced apart for the side integrated molding of loading plate 1 Inside close to each other mutually deviates from integrally formed with coaxially arranged cylindrical inner convex platform 1j, the two loading plate lugs 1h Outside integrally formed with coaxially arranged cylindrical outer lug boss 1k.Aforementioned inner convex platform 1j and outer lug boss 1k are also coaxially arranged.

There are two the suction nozzle lug 3a being spaced apart, the two suction nozzle lugs 3a to open up together for the side integrated molding of suction nozzle 3 Suction nozzle turn hole 3b that is that axis is arranged and matching with the inner convex platform 1j, the two suction nozzle turn holes 3b rotates respectively is set in convex Outside platform 1j.So realize being pivotally connected for suction nozzle 3 and loading plate 1.

Upper casing lug 9c there are one being integrally formed on the lower part opening side of upper casing 9, the left and right sides one of upper casing lug 9c It is body formed to there is coaxially arranged cylindrical left boss 9f and right boss, left boss 9f and right boss to rotate be set in suction nozzle respectively In two suction nozzle turn hole 3b on 3.So realize being pivotally connected for upper casing 9 and loading plate 1.

There are two the lower casing lug 8d, the two lower casing lugs 8d that are spaced apart for the open topped side integrated molding of lower casing 8 The totally two lower casing turn hole 8e opened up on coaxially arranged lower casing turn hole 8e, two lower casing lug 8d are respectively sleeved at outer lug boss 1k Outside.When needing to clean lower casing 8 and capsule chamber 4, lower casing 8 is opened in overturning, very convenient.

The relative inner of two suction nozzle lug 3a forms upper casing installation guiding groove 3d on suction nozzle 3, and suction nozzle 3 and upper casing 9 assemble When, left boss 9f and right boss are installed guiding groove 3d by the upper casing and are slid into suction nozzle turn hole 3b, realize suction nozzle 3 and upper casing 9 It is pivotally connected.

There are two the lower casing lug 8d, the two lower casing lugs 8d that are spaced apart for the open topped side integrated molding of lower casing 8 The totally two lower casing turn hole 8e opened up on coaxially arranged lower casing turn hole 8e, two lower casing lug 8d are respectively sleeved at outer lug boss 1k Outside, being pivotally connected for lower casing 8 and loading plate 1 is so realized.When needing to clean lower casing 8 and capsule chamber 4, under overturning is opened Shell 8, it is very convenient.

In order to ensure that lower casing 8 and loading plate 1 are at metastable overturning buckling state, this example is in lower casing 8 and holds Mutually matched clamping structure is also equipped between support plate 1.When needing to clean lower casing 8 and capsule chamber 4, make lower casing first 8 and capsule chamber 4 clamping structure unlock after, then overturn open lower casing 8.

Equally, the relative inner of two lower casing lug 8d forms loading plate installation guiding groove 8g, loading plate installation on lower casing 8 When guiding groove 8g and loading plate 1 assemble, outer lug boss 1k installs guiding groove 8g by the loading plate and slides into lower casing turn hole 8e.

Further, integrally formed with the upper casing flip angle positioning protrusion with 8 frictional fit of lower casing on upper casing lug 9c 9d.So that the upper casing flip angle positioning protrusion 9d is in contact with lower casing 8 and generates friction when upper casing 9 opens certain angle When interference, upper casing 9 is subject to certain rotary resistance so that upper casing 9 cannot rely on dead weight rotation, eliminate user because of upper casing Conduct oneself with dignity and rotates the puzzlement being even switched off.

Similarly, also integrally formed with the suction nozzle flip angle positioning protrusion 3c with 8 frictional fit of lower casing on suction nozzle lug 3a. Certain angle is opened when suction nozzle 3 and so that suction nozzle flip angle positioning protrusion 3c is in contact with lower casing 8 when generating frictional interference, is made Suction nozzle 3 will not be freely rotated under the friction force effect because of its own gravity.

Similarly, it is also positioned integrally formed with the loading plate flip angle of 8 frictional fit of lower casing on loading plate lug 1h Raised 1s makes the loading plate flip angle positioning protrusion 1s when loading plate 1 is flipped open certain angle relative to lower casing When being in contact with lower casing 8 and generating frictional interference, make loading plate 1 will not be because its own gravity freely turns under the friction force effect It is dynamic.

Certainly, above-mentioned upper casing flip angle positioning protrusion 9d, suction nozzle flip angle positioning protrusion 3c and loading plate flip angle The structure of degree positioning protrusion 1s can also be applied in embodiment one.

Therefore the present embodiment no longer conventionally needs that a turn being connected with loading plate 1 is separately provided Axis eliminates the pivot structure being separately provided in conventional powder dose inhaler, and component reduces product cost, and simplifies The assembly technology of product.

Second, the structure of sieve seat 11 is no longer separately provided in the present embodiment, but directly using suction nozzle 3 come fixed grit 2.Formed on suction nozzle 3 with 2 matched screen locating structure of sieve, be equivalent to a kind of suction nozzle 2 of embodiment and sieve seat 11 It is made of one.Suction nozzle 3 is fixed with loading plate 1.When assembly, first sieve 2 is positioned in suction nozzle 3 it is fixed, then by suction nozzle 2 with Loading plate 1 connects, and so realizes fixation of the sieve 2 at through hole 1a.

Screen locating structure in said suction nozzle 3 is specifically a sieve embedding slot 3e, and sieve 2 is embedded in positioning when assembly It in the sieve embedding slot, then heats, pressing sieve 2 after the wall melting bending allowed around sieve embedding slot 3e (ensures to inhale The bond strength of mouth 3 and sieve 2, prevents sieve from falling off), realize that sieve 2 and suction nozzle 3 are fixed.

Suction nozzle card slot, the suction nozzle card being fixed on integrally formed with inlay card on suction nozzle 3 in suction nozzle card slot are offered on loading plate 1 Tongue can refer to and (is not marked in figure) shown in Figure 14.When normal use, suction nozzle 3 and loading plate 1 are fixed, and need to take out or put When entering capsule, then suction nozzle block tongue and suction nozzle exact separation, overturning is made to open suction nozzle 3.

Third in the present embodiment, offers to lower recess and is connected with lower casing inner cavity on the open topped side of lower casing 8 Air inlet gap 8f (loading plate 1 does not block air inlet gap 8f completely), form on the lower part opening side of upper casing 9 downwards Sealing protrusive board 9e that is protruding and matching with the air inlet gap 8f.

When upper casing 9 is closed, sealing protrusive board 9e just shelters from air inlet gap 8f, to prevent foreign object from air inlet gap 8f The indoor pharmaceutical capsules of capsule are polluted in into lower casing 8.

After upper casing 9 is opened, sealing protrusive board 9e is detached from air inlet gap 8f, and outside air can be under air inlet gap 8f enters In shell 8, and then enter capsule chamber, under user's suction, is formed by air inlet gap 8f to lower casing inner cavity, then to capsule Then room flows into the air-flow in user's body through suction nozzle.

5th, in the present embodiment, the upper hole of through hole 1a has opened up three air inlets extended downwardly along place on loading plate 1 Slot 1p.After the completion of assembly, air inlet duct 1p coordinates with the outer wall of suction nozzle and forms the gas communication hole being connected to through hole 1a.It is practical In application, portion of air flows into through hole 1a by these three air inlet ducts 1p (namely These gases recirculation hole), by sieve Afterwards again by suction nozzle sucking user's body.The air-flow that through hole 1a is flowed into from these three air inlet ducts 1p is imported from capsule chamber bottom (the main inlet port of air of capsule chamber bottom is the capsule chamber air admission hole in the own structure of capsule chamber namely figure to the main inlet port of air The indoor primary air of capsule 4d) is flowed into, and this several strands of air-flows interact and form turbulent flow, so that powder medicaments are in rapids It fully scatters under the drive of gas body and passes sequentially through sieve and suction nozzle enters in user's body.

Above three air inlet duct 1p is along the circumferential direction uniformly and symmetrically distributed, to promote the turbulence effects of air-flow at through hole.

6th, in the present embodiment, sharp pin 6 is fixedly connected on button 5 by the sharp key seat 501 of plastic material.Point Pin 6 is metal material, and sharp key seat 501 is fixed with button clamp.The sharp key seat 501 of plastic material is in injection molding, metal material The sharp pin 6 of matter is put into as metal insert in injection mold, so that after 501 injection molding of sharp key seat, sharp pin 6 and sharp key seat 501 are combined into an entirety, the non-dismountable assembling of the two.We are referred to as at this combination：Sharp pin 6 and sharp key seat 501 are molded It is fixed.

Because sharp pin 6 and the sharp injection molding of key seat 501 are fixed, the two bond strength is high, will not be detached from.And point key seat 501 It is fixed with button 5, also is difficult to be detached from normal use.It so ensure that the stable connection degree of sharp pin 6 and button 5.

There are two sharp pin 6 is arranged altogether, and the two sharp pins 6 are arranged in parallel.In order to ensure the point angle of two sharp pins 6 Degree is consistent, and the present embodiment is provided with positioning plane in the tail end of sharp pin 6.To be fixed to sharp pin 6 and the sharp injection molding of key seat 501 When, positioning plane can position the circumferential position of two sharp pins 6, to ensure that the tip angle of two sharp pins 6 is consistent.

Also, a slot (being not marked in figure) for arranging button 5 is opened up on lower casing 8, is divided on the cell wall of slot both sides Not Gu Dingshezhi a guide protrusions 8h (totally two guide protrusions), be formed with and the guide protrusions 8h phases on the both sides of button 5 Matched guide chute 5d.Guide protrusions 8h slidings are embedded in guide chute 5d, are moved with the pressing of call-on button 5.This knot Structure can move plate 5a, lead and move the respective outer side edges of hole 4a and guide and limit plate 4b and use with being led in embodiment one, with the use of when, lead shifting Plate 5a is arranged on sharp key seat 501.

The fit structure of above-mentioned guide protrusions 8h and guide chute 5d not only have to be oriented to and make to the pressing of button 5 movement With, but also there are following technique effects：

When user presses down on the outboard end of button 5, button is rotated around guide protrusions 8h, and makes the interior of button 5 Upward " provoking " loading plate 1 (such as lever, wherein being oriented to the convex fulcrum relative to lever) in side, makes loading plate 1 block with lower casing 8 Junction separation is closed, so that user cleans lower casing 8 and capsule chamber.After loading plate 1 " being provoked ", 501 He of sharp key seat Button 5 is separated from each other, and sharp key seat 501 and sharp pin 6 link together with support base 1, and button 5 is limited in guide protrusions 8h under Shell 8 links together.

In the present embodiment, watch window 12 identical with embodiment two is also equipped on lower casing 8,12 inside of watch window Integrally formed with air guide wall 12a, to optimize the air-flow trend for entering capsule chamber, such as Figure 18.Enter lower casing from air inlet gap 8f Air-flow under the guide functions of air guide wall 12a, then through capsule chamber air admission hole flow into capsule chamber in.

Example IV：

Figure 19 and Figure 20 shows the 4th preferred embodiment, structure and reality of this powder medicine inhalator of the application The structure for applying powder medicine inhalator in example three is essentially identical, the main distinction of the two on loading plate 1 in this present embodiment not Above-mentioned air inlet duct 1p structures are opened up again, but open up air admission hole on loading plate 1 to replace above-mentioned air inlet duct, are equally reached The effect of turbulent air flow is formed in through hole 1a, and then achievees the effect that depolymerization or the active medicinal powder of dispersion and carrier.Specifically such as Under：

The upper surface of loading plate 1 has opened up three and has extended obliquely downward to the air admission hole 1q of the through hole 1a inner walls.And And these three air admission holes 1q is along the circumferential direction uniformly and symmetrically distributed around through hole 1a.

When practical application, portion of air flows into through hole by these three air admission holes 1q (namely These gases recirculation hole) 1a, again by suction nozzle sucking user's body after sieve.Flowed into from these three air admission holes 1q through hole 1a air-flow import from The main inlet port of capsule chamber bottom air (the main inlet port of capsule chamber bottom air is that capsule chamber has structure by oneself, is the prior art) flows into The indoor primary air of capsule, and interact and form turbulent flow, so that powder medicaments fill under the drive of turbulent gases It scatter and passes sequentially through sieve and suction nozzle enters in user's body.

Embodiment five：

Figure 21 shows the 5th preferred embodiment of this powder medicine inhalator of the application, structure and embodiment three Essentially identical with the structure of powder medicine inhalator in example IV, the main distinction of the two is in loading plate 1 in this present embodiment On neither open up the air inlet duct 1p structures of three kinds of embodiment, do not open up the air admission hole 1q structures in example IV yet, but pass through The mode that three venthole 4c are opened up in lower section capsule chamber 4 achievees the effect that form turbulent air flow in through hole 1a.Specifically It is as follows：

The top of capsule chamber 4 has opened up three venthole 4c being connected with the through hole 1a, and these three are ventilated Hole 4c is along the circumferential direction uniformly and symmetrically distributed.

When practical application, portion of air flows into through hole by these three ventholes 4c (namely These gases recirculation hole) 1a, again by suction nozzle sucking user's body after sieve.Flowed into from these three ventholes 4c through hole 1a air-flow import from The main inlet port of capsule chamber bottom air (the main inlet port of capsule chamber bottom air is that capsule chamber has structure by oneself, is the prior art) flows into The indoor primary air of capsule, and interact and form turbulent flow, so that powder medicaments fill under the drive of turbulent gases It scatter and passes sequentially through sieve and suction nozzle enters in user's body.

In the present embodiment, the sections venthole 4c are circle.

Embodiment six：

Figure 22 shows the 6th preferred embodiment of this powder medicine inhalator of the application, structure and embodiment five The structure of middle powder medicine inhalator is essentially identical, only difference is that the section of capsule chamber upper vent hole 4c is in the present embodiment It is oval and non-circular.

Embodiment seven：

Figure 23 shows the 7th preferred embodiment of this powder medicine inhalator of the application, structure and embodiment five The structure of middle powder medicine inhalator is essentially identical, only difference is that the section of capsule chamber upper vent hole 4c is in the present embodiment Slat shape and it is non-circular.

Embodiment eight：

Figure 24 and Figure 25 shows the 8th preferred embodiment, structure and reality of this powder medicine inhalator of the application The structure for applying powder medicine inhalator in example three is essentially identical, only difference is that capsule chamber 4 and loading plate 1 are in the present embodiment One overall structure, the two are integrally formed.

Being fabricated separately for component can be reduced compared with prior art, and is reduced together when the drug inhalator assembles The process of pressing.

The above-mentioned capsule chamber 4 and loading plate 1 of integral structure be transparent material, with convenient for users to open lower casing 8 after observe Capsule indoor situations.

Embodiment nine：

Figure 26 shows the 9th preferred embodiment of this powder medicine inhalator of the application, structure and embodiment three The structure of middle powder medicine inhalator is essentially identical, only difference is that in the present embodiment on lower casing 8 watch window 12 structure Form.Specifically, the bottom of lower casing 8 is big oval uncovered structure (the approximate tubular construction of lower casing 8), and the ellipse is open Bore be at least the half of 8 diameter of lower casing, it is spacious that the large area watch window 12 of transparent material is fixed at the bottom At mouthful.It is so more conducive to the cleaning situation that user observes bottom, also more favorably improves product strength, while being conducive to drop The design and molding difficulty of low shell and watch window molding die, improving production efficiency.

Embodiment ten：

Figure 27 and Figure 28 shows in the tenth specific embodiment of this powder medicine inhalator of the application, structure with Embodiment one is essentially identical, and the main distinction is 1 pivotal orientation having the same of suction nozzle 3 and upper casing in this example.It is specific as follows：

Be fixedly installed a horizontal-extending shaft 1d on loading plate 1, on the lower part opening side of upper casing 9 integrally formed with Two rotations are nested in the upper casing returning buckle 9a of the C fonts outside shaft 1d, and such realization upper casing 9 is pivotally connected with loading plate 1； The bottom of suction nozzle 3 is integrally formed the suction nozzle returning buckle 3f that the C fonts outside shaft 1e are nested in there are one rotation, so realizes suction nozzle 3 are pivotally connected with loading plate 1.10 upper end of rotation window is integrally formed the C fonts being nested in there are one rotation outside shaft 1d Window returning buckle 10a so realizes being pivotally connected for rotation window 10 and the loading plate 1.

Above-mentioned window returning buckle 10a and suction nozzle returning buckle 3f is closely arranged between two upper casing returning buckle 9a.

Also, the lower casing that the open topped side of lower casing 8 is integrally formed the C fonts being nested in outside shaft 1e there are two rotation turns over Turn button 8b, so realizes being pivotally connected for lower casing 8 and loading plate 1.Certainly, in the present embodiment, lower casing 8 also engages with loading plate 1 Connection, only when between lower casing 8 and loading plate 1 be fixed unlock after, lower casing 8 can be relative to 1 flip-flop movement of loading plate.

Certainly, above-mentioned each embodiment is only to illustrate the technical concepts and features of the application, and its object is to allow people's energy Solution present context much of that is simultaneously implemented according to this, and the protection domain of the application can not be limited with this.It is all main according to the application The equivalent transformation or modification that the Spirit Essence of technical solution is done, should all cover within the protection domain of the application.

Claims (8)

1. a kind of powder medicine inhalator, including：

Loading plate (1), thereon perforation open up through hole (1a)；

Suction nozzle (3) is connected to the top of the loading plate and at the through hole；

Capsule chamber (4) is connected to the lower section of the loading plate and at the through hole；

Lower casing (8), upper part are uncovered structure, and the loading plate is connected at the open topped of the lower casing, and the lower casing will The capsule chamber receiving is in the inner；

It is extended under this from the lower shell upper portion opening side it is characterized in that, offering one on the shell wall of the lower casing (8) The gap (8a) of shell bottom, there are one the transparent materials that upper end is pivotally connected with the loading plate (1) for arrangement at the gap (8a) The rotation window (10) of matter.

2. powder medicine inhalator according to claim 1, which is characterized in that the lower end one of the rotation window (10) Window buckle (10b) is formed, the bottom of the lower casing (8) is integrally formed with the window to match with window buckle (10b) Mouth deck.

3. powder medicine inhalator according to claim 1, which is characterized in that the surrounding of the loading plate (1) one at Type has the loading plate fixture block (1g) that several are spaced apart, and the open topped inside of the lower casing (8) is integrally formed with several The loading plate card slot being spaced apart, loading plate fixture block (1g) inlay card are fixed in the loading plate card slot, so realize institute State being fixedly connected for loading plate (1) and the lower casing (8).

4. powder medicine inhalator according to claim 1, which is characterized in that be fixedly installed on the loading plate (1) A piece horizontal-extending shaft (1d), there are two rotations to be nested in the shaft for the upper end integrated molding of the rotation window (10) The window returning buckle (10a) of the C fonts of (1d) outside so realizes the pivot of rotation window (10) and the loading plate (1) Connection.

5. powder medicine inhalator according to claim 1, which is characterized in that further include：

Sieve (2) is set at the through hole on the loading plate.

6. powder medicine inhalator according to claim 5, which is characterized in that the sieve (2) is by sieve seat (11) it is fixed at the through hole (1a) on the loading plate (1).

7. powder medicine inhalator according to claim 6, which is characterized in that offer and be located on the loading plate (1) Two sieve seat card slots (1b) of through hole (1a) radially opposite sides, integrally formed with inlay card respectively on the sieve seat (11) The two sieve seats buckle (11a) being fixed in described two sieve seat card slots (1b).

8. powder medicine inhalator according to claim 7, which is characterized in that the suction nozzle (3) and the sieve seat (11) be fixed connection.