CN104971413A - Anti-misoperation unit of dry powder inhalation dosing device and anti-misoperation method - Google Patents
Anti-misoperation unit of dry powder inhalation dosing device and anti-misoperation method Download PDFInfo
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Abstract
The invention relates to an anti-misoperation unit of a dry powder inhalation dosing device and an anti-misoperation method and belongs to the field of inhalation type dosing instruments. The structural type of the anti-misoperation unit is adopted, the structural characteristics of a pawl and a unidirectional open slot are utilized, an anti-reverse rotation function of a turntable is achieved, it is guaranteed that the rotating angle of a quantitative dosing disc in use each time is correct, the dry powder inhalation dosing device needs to rotate through a specific angle during the operation so as to perform dosing correctly, the conditions of dosing failure can be avoided, it is guaranteed that the rotating angle is correct when the dry powder inhalation dosing device is used each time; therefore, the conditions of dosing failure are avoided, the times of needing to rotate an operating component in dosing operation each time are reduced, and users can perform operations more conveniently. The anti-misoperation unit and the anti-misoperation method can be widely suitable for the fields of design and manufacture of dry powder inhalation dosing devices of various specifications.
Description
Technical field
The invention belongs to the instrument field inputted by medium in human body, particularly relate to a kind of inhalation-type drug administration apparatus for the powder spray of prescribed dose to be sent into patient lungs with respiratory air flow direct oral cavity.
Background technology
In modern medical service technology, adopt direct oral cavity or snuffing to enter to make medicine directly to enter pulmonary and absorbed into serum, avoid " head crosses " effect of liver.
Clinically, pulmonary administration is mainly used in the pulmonary disease such as treatment asthma, chronic obstructive pneumonia, cystic fibrosis.Because alveolar epithelial cells wall is thin, surface area is large, the active feature such as low of enzymes metabolism, in recent years, pulmonary administration mode becomes the new way of more drug (as polypeptide and protein medicaments etc.) noninvasive administration gradually.
In pulmonary administration mode, powder spray has many advantages compared with aerosol, if avoid the problem of aerosol in use patient and device coordinated, without the need to using propellant etc., is therefore have the lung of application prospect to suck dosage form at present most.
Powder spray mean micronized medicine or with carrier with capsule, vesicle or multiple dose reservoir type, special powder spray doser or suction apparatus is adopted (or to be called suction type medicator, past is also referred to as powder inhaler or dry powder drug administration device), initiatively suck the dosage form of atomization medicine to pulmonary by patient.Inhalation powder spray relies on the autonomous respiration of patient to make drug powder enter respiratory system, and have and be easy to carry, cost is low, the feature that stability is strong.In recent years, the range of application of inhalation powder spray has been extended to the Formulations for systemic administration of polypeptide protein class, antibiotic, bio-pharmaceutical and medicine for cardiovascular system from traditional lung local disease curative.Particularly some biomacromolecules can realize comparatively ideal bioavailability after drug powder suction-pulmonary administration.
Powder spray doser is the core of powder spray exploitation, and the quality of its design directly has influence on the height of powder spray lung deposition efficiencies.
For powder spray doser, be generally divided into two large classes at present: single dose and many meterings, wherein multiple dose is generally divided into again vesicle type and depot.
Depot suction type medicator is all provided with a dust container and corresponding metering element usually, successively separates efflorescence medicament quantitatively by metering element from dust container.
The applicant applies for before this, authorized announcement date is on 04 22nd, 2015, Authorization Notice No. is in the Chinese invention patent of CN102228725B, disclose one " dry powder drug administration device ", comprise flow channel component, medicated powder storage capsule and administration gauge assembly, it arranges inverted cone shape medicated powder storage capsule at housing upper; One ring-type manual rotation portion is set in housing upper periphery; Arrange rotating slideway at housing upper outer surface, in ring-type manual rotation portion, medial surface correspondence arranges slide block; First elastomeric element is set between ring-type manual rotation portion and housing upper; In rotating slideway one end, air inlet is set; In enclosure interior, flow path features is set; Suction nozzle is set in hull outside, in suction nozzle outer setting suction nozzle sleeve; At flow path features horizontal part, feeding opening is set; Below inverted cone shape medicated powder storage capsule, administration gauge assembly is set; Described flow path features successively gas circuit connects air inlet, administration gauge assembly and suction nozzle.It carries out drying to medicated powder gauge assembly before adding medicated powder, can accurate-metering medicated powder dosage and avoid " overdose " administration.
In technique scheme, adopt the version that rotating slideway is set, come rotational angle and the rotation direction of limit manual rotating part, to ensure direction of rotation and the anglec of rotation of dosed administration dish in position relationship between inverted cone shape medicated powder storage capsule and the administration gauge assembly below it and administration gauge assembly, guarantee to carry out drying and dosed administration to medicated powder gauge assembly before adding medicated powder, so that the administration groove containing medicated powder aims at the feeding opening of flow path features, complete for medicine process, make patient suck medicated powder and possess prerequisite.
But find in actual use, adopt the version with rotating slideway, one structural complexity and the manufacturing process being the increase in doser, two is the structural limitations due to rotating slideway, user needs operation four step (in other words, need rotation four aforesaid manual rotation portions), intactly could complete single administration and suck operation, operational motion amplitude is larger, be not easy to use and operate, and due to user anglec of rotation often due to ring-type manual rotation portion when operating not in place, cause the anglec of rotation of dosed administration dish not in place, directly have influence on completing smoothly of subsequent dose operating procedure.
Under the prerequisite how put in place in the direction of rotation and the anglec of rotation that ensure dosed administration dish, simplify the operation step as much as possible, provides the convenience of operation, is technique scheme problem anxious to be resolved in implementation process.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of anti-misoperation unit and method for preventing misoperation of powder spray doser, it adopts the version arranging anti-misoperation unit, utilize the construction features of ratchet and unidirectional open slot, when guaranteeing to use, the rotational angle of dosed administration dish is correct at every turn, thus prevent the situation of administration failure, and can under the prerequisite of rotational angle ensureing dosed administration dish, reduce the number of times of each medication action need rotary actuator, be more convenient to the operation of user.
Technical scheme of the present invention is: the anti-misoperation unit providing a kind of powder spray doser, described powder spray doser comprises lower house, rotating disk, spiral cover and vibration gear, the outer setting of its lower house has spiral cover, rotating disk is provided with in lower house, the below of rotating disk is provided with vibration gear, rotating disk described in it is the dosed administration dish in administration gauge assembly, when user rotate described in spiral cover time, spiral cover drives dial rotation by vibration gear, vibration gear provides vibration source for rotating disk simultaneously, to realize the function of vibration administration; It is characterized in that:
Described powder spray doser, on the inwall of described lower house, the position corresponding with disk position, arranges at least one unidirectional open slot;
In the outer rim of described rotating disk, be provided with at least one pawl structures, described pawl structures is made up of a pawl arm connected with rotating disk outer rim and the pawl end being positioned at pawl arm one end;
Described pawl end, is located in same level with described unidirectional open slot;
Between described rotating disk and described vibration gear, suit is provided with one anti-rotation, and described anti-rotation is a cylindrical structural member;
The upper end outer rim of described anti-rotation, the position corresponding with the pawl end position of rotating disk outer rim pawl structures, is provided with anti-rotation projection;
The pawl end of described pawl structures, is arranged with described anti-rotation bulge clearance;
The lower end of anti-rotation, be provided with stressed tooth;
In the periphery of described vibration gear, be provided with force tooth;
The force tooth of described vibration gear and the stressed tooth transpostion interval of anti-rotation are arranged, and by being arranged on transition wheel between the two, forming revolving force and transmitting gear movement pair;
Described transition wheel is a moving runner with flanging, and its flanging is convex concave architecture, and described force tooth just in time embeds in the convex architecture flanging of moving runner, and described stressed tooth just in time inserts in the concave architecture flanging of moving runner;
Described unidirectional open slot, pawl structures, anti-rotation and revolving force transmission gear movement pair, form the anti-misoperation unit of described powder spray doser;
When user is along in the process of spiral cover to the specific angle described in the first direction of rotation rotation, spiral cover drives vibration gear, now described rotating disk is not driven by vibration gear, vibration gear and rotating disk produce relative motion, vibration gear moves up and down under the action of the spring simultaneously, vibration source is provided, to realize the function vibrating administration to rotating disk and described outer cartridge case;
When user is along in the process of spiral cover to the specific angle described in the second direction of rotation rotation, spiral cover drives vibration gear, vibration gear drives turntable rotation, the medicine groove that now on rotating disk, one installs medicated powder, from rotating below cartridge case to preparation delivering drugs position, realizes once " quantitatively " for medicine;
The first direction of rotation described in it is contrary with the direction of the second direction of rotation.
Concrete, in the process that described spiral cover rotates along the first direction of rotation, if spiral cover, vibration gear and anti-rotation while rotate a specific angle along the first direction of rotation, now because pawl structures is positioned at the position, gap of anti-rotation anti-rotation projection, the ratchet of described rotating disk has the space of deformation, then next when spiral cover rotates along the second direction of rotation, rotating disk can be driven to rotate along the second direction of rotation;
In the process that above-mentioned spiral cover rotates along the first direction of rotation, if spiral cover, vibration gear and anti-rotation do not rotate to described specific angle, then the pawl structures of described rotating disk can not be positioned at the position, gap of anti-rotation anti-rotation projection, described pawl structures is caused not have the space of deformation, next when spiral cover rotates along the second direction of rotation, rotating disk cannot rotate along the second direction of rotation, thus when ensure that described powder spray doser uses, the angle of described dial rotation is correct, can not produce maloperation at every turn.
Further, in the process that described spiral cover rotates along the first direction of rotation, because described pawl structures is stuck in unidirectional open slot, then at the process turntable non rotating that spiral cover rotates along the first direction of rotation, only have vibration gear, anti-rotation follow spiral cover along the first direction of rotation synchronous rotary.
Wherein, the first described direction of rotation from the overhead view of powder spray doser for being rotated counterclockwise direction; The second described direction of rotation is dextrorotation veer from the overhead view of powder spray doser.
Specific angle described in it is the quantity of 360 degree/pawl structures.
Or described specific angle is the quantity of 360 degree/unidirectional open slot.
Present invention also offers a kind of method for preventing misoperation of above-mentioned powder spray doser, described powder spray doser outer setting has spiral cover, rotating disk is provided with in lower house, the below of rotating disk is provided with vibration gear, rotating disk described in it is the dosed administration dish in administration gauge assembly, when user rotate described in spiral cover time, spiral cover drives dial rotation by vibration gear, vibration gear provides vibration source for rotating disk simultaneously, to realize the function of vibration administration; It is characterized in that:
Described powder spray doser, in the outer rim of described rotating disk, arranges at least one pawl structures;
Between described rotating disk and described vibration gear, with anti-rotation projection anti-rotation is set;
The inwall of described lower house arranges at least one unidirectional open slot;
When user along first direction of rotation rotate described in spiral cover time, spiral cover drives vibration gear, and vibration gear and rotating disk produce relative motion, and vibration gear moves up and down under the action of the spring simultaneously, vibration source is provided, to realize the function vibrating administration to rotating disk and described outer cartridge case;
When user along second direction of rotation rotate described in spiral cover time, spiral cover drives vibration gear, vibration gear drives turntable rotation, and the medicine groove that now on rotating disk, installs medicated powder, from rotating below cartridge case to preparation delivering drugs position, realizes once " quantitatively " for medicine;
The first direction of rotation described in it and the second direction of rotation, direction is contrary;
Described method for preventing misoperation, by cooperation and the interaction of described pawl structures, anti-rotation and unidirectional open slot, realize the anti-reversing rotating function of described rotating disk, and utilize the cooperation of pawl structures and unidirectional open slot, the rotation of user spiral cover is reminded whether to put in place, whether the anglec of rotation reaches setting, guarantee that the spiral cover of powder spray doser rotates the correct administration of a specific angle ability, prevent the situation of administration failure, and then realize the anti-misoperation function of powder spray doser.
Concrete, in the process that described spiral cover rotates along the first direction of rotation, if spiral cover, vibration gear and anti-rotation while rotate a specific angle along the first direction of rotation, now because pawl structures is positioned at the position, gap of anti-rotation anti-rotation projection, the ratchet of described rotating disk has the space of deformation, then next when spiral cover rotates along the second direction of rotation, rotating disk can be driven to rotate along the second direction of rotation;
If in the process that above-mentioned spiral cover rotates along the first direction of rotation, spiral cover, vibration gear and anti-rotation do not rotate to described specific angle, then the pawl structures of described rotating disk can not be positioned at the position, gap of anti-rotation anti-rotation projection, described pawl structures is caused not have the space of deformation, next when spiral cover rotates along the second direction of rotation, rotating disk cannot rotate along the second direction of rotation, thus when ensure that described powder spray doser uses at every turn, the angle of described dial rotation is correct, maloperation can not be produced, thus achieve the anti-misoperation function of described powder spray doser.
Specific angle described in it is the quantity of 360 degree/pawl structures.
Or described specific angle is the quantity of 360 degree/unidirectional open slot.
The first direction of rotation described in it is seen as from the overhead view of powder spray doser and is rotated counterclockwise direction; The second described direction of rotation is seen as dextrorotation veer from the overhead view of powder spray doser.
Powder spray doser described in technical solution of the present invention, utilize the strike note that described pawl structures produces through described unidirectional open slot, the anglec of rotation of spiral cover described in user is reminded whether to put in place, and pass through the number of times of described strike note, remind the anglec of rotation of user spiral cover whether to reach setting.
Compared with the prior art, advantage of the present invention is:
1. in powder spray doser, be provided with anti-misoperation unit, during the operation of powder spray doser, need the correct administration of rotation one specific angle ability, can prevent the situation of administration failure, when guaranteeing to use, rotational angle is correct at every turn;
2. rotate in the process of a special angle at powder spray doser spiral cover, by this structural design, realize the change of number of taps and intensity, thus be applicable to the administration of different mobility medicated powder;
3. by the enforcement of the technical program, can ensure that user correctly uses this powder spray doser, also can ensure the accurate-metering of each administration quantity of described powder spray doser.
Accompanying drawing explanation
Fig. 1 is the structural representation of anti-misoperation unit of the present invention;
Fig. 2 is the schematic diagram of anti-misoperation unit plan structure of the present invention;
Fig. 3 is the structural representation of pawl structures of the present invention;
Fig. 4 is the schematic diagram of anti-misoperation cell side TV structure;
Fig. 5 is that anti-misoperation unit allows turned position schematic diagram;
Fig. 6 is that the aminoacyl site of Fig. 5 puts enlarged diagram;
Fig. 7 is that anti-misoperation unit does not allow turned position schematic diagram;
Fig. 8 is the B position enlarged diagram of Fig. 7.
In figure, 1 is lower house, and 1-1 is unidirectional open slot, and 2 is anti-rotation, and 2-1 is anti-rotation projection, and 2-2 is stressed tooth, and 3 is rotating disk, and 3-1 is pawl arm, and 3-2 is pawl end, and 8 is spiral cover, and 12 is vibration gear, and 12-1 is force tooth, and 13 is transition wheel.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
In Fig. 1 to Fig. 4, technical scheme of the present invention provides a kind of anti-misoperation unit of powder spray doser, described powder spray doser comprises flow channel component, medicated powder storage capsule and administration gauge assembly, concrete, powder spray doser comprises lower house 1, rotating disk 3, spiral cover 8 and vibration gear 12, the outer setting of its lower house has spiral cover, rotating disk is provided with in lower house, the below of rotating disk is provided with vibration gear, its rotating disk is the dosed administration dish in administration gauge assembly, when user rotates spiral cover, spiral cover drives dial rotation by vibration gear, vibration gear is simultaneously for rotating disk provides vibration source, to realize the function of vibration administration, its inventive point is:
Described powder spray doser, on the inwall of lower house, the position corresponding with disk position, arranges at least one unidirectional open slot 1-1.
In the outer rim of rotating disk, be provided with at least one pawl structures, described pawl structures is made up of (shown in Fig. 3) with the pawl end 3-2 to lower extension a pawl arm 3-1 and connected with rotating disk outer rim.
Described pawl end, is located at (shown in Fig. 2) in same level with unidirectional open slot.
Between rotating disk and vibration gear, suit is provided with one anti-rotation 2, and described anti-rotation is a cylindrical structural member (shown in Fig. 1).
The upper end outer rim of anti-rotation, the position corresponding with the pawl end position of the pawl structures of rotating disk outer rim, be provided with anti-rotation protruding 2-1, the pawl end of described pawl structures, arrange (shown in Fig. 4) with described anti-rotation bulge clearance.
The lower end of anti-rotation, be provided with stressed tooth 2-2; In the periphery of described vibration gear, be provided with force tooth 12-1.
Wherein, the force tooth of vibration gear and the stressed tooth transpostion interval of anti-rotation are arranged, and by being arranged on transition wheel 13 between the two, forming revolving force and transmitting gear movement pair (shown in Fig. 1 and Fig. 4).
Shown in Fig. 1, described transition wheel is a moving runner with flanging, and its flanging is convex concave architecture, and its force tooth 12-1 just in time embeds in the convex architecture flanging of moving runner, and its stressed tooth 2-2 just in time inserts in the concave architecture flanging of moving runner.
In Fig. 5 and Fig. 6, in the process that described spiral cover rotates along the first direction of rotation, if spiral cover, vibration gear and anti-rotation while rotate a specific angle (as 60 degree) along the first direction of rotation, now because pawl structures is positioned at the position, gap of anti-rotation anti-rotation projection, the ratchet of described rotating disk has the space of deformation, then next when spiral cover rotates along the second direction of rotation, rotating disk can be driven to rotate along the second direction of rotation.
In Fig. 7 and Fig. 8, in the process that above-mentioned spiral cover rotates along the first direction of rotation, if spiral cover, vibration gear and anti-rotation do not rotate to described specific angle, then the pawl structures of described rotating disk can not be positioned at the position, gap of anti-rotation anti-rotation projection, described pawl structures is caused not have the space of deformation, next when spiral cover rotates along the second direction of rotation, rotating disk cannot rotate along the second direction of rotation, thus when ensure that described powder spray doser uses, the angle of described dial rotation is correct, can not produce maloperation at every turn.
In the process that described spiral cover rotates along the first direction of rotation, because described pawl structures is stuck in unidirectional open slot, then at the process turntable non rotating that spiral cover rotates along the first direction of rotation, only have vibration gear, anti-rotation follow spiral cover along the first direction of rotation synchronous rotary.
Wherein, the first described direction of rotation from the overhead view of powder spray doser for being rotated counterclockwise direction; The second described direction of rotation is dextrorotation veer from the overhead view of powder spray doser.
Above-mentioned specific angle is the quantity of 360 degree/pawl structures; Or above-mentioned specific angle is the quantity of 360 degree/unidirectional open slot.
Present invention also offers a kind of method for preventing misoperation of above-mentioned powder spray doser, described powder spray doser outer setting has spiral cover, rotating disk is provided with in lower house, the below of rotating disk is provided with vibration gear, rotating disk described in it is the dosed administration dish in administration gauge assembly, when user rotate described in spiral cover time, spiral cover drives dial rotation by vibration gear, vibration gear provides vibration source for rotating disk simultaneously, to realize the function of vibration administration; Its inventive point is:
Described powder spray doser, in the outer rim of described rotating disk, arranges at least one pawl structures;
Between described rotating disk and described vibration gear, with anti-rotation projection anti-rotation is set;
The inwall of described lower house arranges at least one unidirectional open slot;
When user along first direction of rotation rotate described in spiral cover time, spiral cover drives vibration gear, and vibration gear and rotating disk produce relative motion, and vibration gear moves up and down under the action of the spring simultaneously, vibration source is provided, to realize the function vibrating administration to rotating disk and described outer cartridge case;
When user along second direction of rotation rotate described in spiral cover time, spiral cover drives vibration gear, vibration gear drives turntable rotation, and the medicine groove that now on rotating disk, installs medicated powder, from rotating below cartridge case to preparation delivering drugs position, realizes once " quantitatively " for medicine;
The first direction of rotation described in it is contrary with the direction of the second direction of rotation;
Described method for preventing misoperation, by cooperation and the interaction of described pawl structures, anti-rotation and unidirectional open slot, realize the anti-reversing rotating function of described rotating disk, and utilize the cooperation of pawl structures and unidirectional open slot, the rotation of user spiral cover is reminded whether to put in place, whether the anglec of rotation reaches setting, guarantee that the spiral cover of powder spray doser rotates a specific angle (such as, 60 degree) the correct administration of ability, prevent the situation of administration failure, and then realize the anti-misoperation function of powder spray doser.
In the process that described spiral cover rotates along the first direction of rotation, if spiral cover, vibration gear and anti-rotation while rotate a specific angle along the first direction of rotation, now because pawl structures is positioned at the position, gap of anti-rotation anti-rotation projection, the ratchet of described rotating disk has the space of deformation, then next when spiral cover rotates along the second direction of rotation, rotating disk can be driven to rotate (shown in Fig. 5 and Fig. 6) along the second direction of rotation.
If in the process that above-mentioned spiral cover rotates along the first direction of rotation, spiral cover, vibration gear and anti-rotation do not rotate to described specific angle, then the pawl structures of described rotating disk can not be positioned at the position, gap (shown in Fig. 7 and Fig. 8) of anti-rotation anti-rotation projection, described pawl structures is caused not have the space of deformation, next when spiral cover rotates along the second direction of rotation, rotating disk cannot rotate along the second direction of rotation, thus when ensure that described powder spray doser uses at every turn, the angle of described dial rotation is correct, maloperation can not be produced, thus achieve the anti-misoperation function of described powder spray doser.
Specific angle described in it is the quantity of 360 degree/pawl structures.
Or described specific angle is the quantity of 360 degree/unidirectional open slot.
The first direction of rotation described in it from the overhead view of powder spray doser for being rotated counterclockwise direction; The second described direction of rotation is dextrorotation veer from the overhead view of powder spray doser.
In the technical program, the strike note that described powder spray doser utilizes described pawl structures to produce through described unidirectional open slot, the anglec of rotation of spiral cover described in user is reminded whether to put in place, and pass through the number of times of described strike note, remind the anglec of rotation of user spiral cover whether to reach setting.
Because the present invention is provided with anti-misoperation unit in powder spray doser, during the operation of powder spray doser, need the correct administration of rotation one specific angle ability, the situation of administration failure can be prevented, the angle of rotating when ensure that each use is correct, is more convenient to the operation of user; Meanwhile, owing to being provided with anti-misoperation unit in powder spray doser, in the specific angle process of rotation one, the change of number of taps and intensity can be realized by this structural design, thus be applicable to the administration of different mobile performance medicated powder.
The present invention can be widely used in design, the manufacture field of the powder spray doser of all size.
Claims (12)
1. the anti-misoperation unit of a powder spray doser, described powder spray doser comprises lower house, rotating disk, spiral cover and vibration gear, the outer setting of its lower house has spiral cover, rotating disk is provided with in lower house, the below of rotating disk is provided with vibration gear, rotating disk described in it is the dosed administration dish in administration gauge assembly, when user rotate described in spiral cover time, spiral cover drives dial rotation by vibration gear, vibration gear provides vibration source for rotating disk simultaneously, to realize the function of vibration administration; It is characterized in that:
Described powder spray doser, on the inwall of described lower house, the position corresponding with disk position, arranges at least one unidirectional open slot;
In the outer rim of described rotating disk, be provided with at least one pawl structures, described pawl structures is made up of a pawl arm connected with rotating disk outer rim and the pawl end being positioned at pawl arm one end;
Described pawl end, is located in same level with described unidirectional open slot;
Between described rotating disk and described vibration gear, suit is provided with one anti-rotation, and described anti-rotation is a cylindrical structural member;
The upper end outer rim of described anti-rotation, the position corresponding with the pawl end position of rotating disk outer rim pawl structures, is provided with anti-rotation projection;
The pawl end of described pawl structures, is arranged with described anti-rotation bulge clearance;
The lower end of anti-rotation, be provided with stressed tooth;
In the periphery of described vibration gear, be provided with force tooth;
The force tooth of described vibration gear and the stressed tooth transpostion interval of anti-rotation are arranged, and by being arranged on transition wheel between the two, forming revolving force and transmitting gear movement pair;
Described transition wheel is a moving runner with flanging, and its flanging is convex concave architecture, and described force tooth just in time embeds in the convex architecture flanging of moving runner, and described stressed tooth just in time inserts in the concave architecture flanging of moving runner;
Described unidirectional open slot, pawl structures, anti-rotation and revolving force transmission gear movement pair, form the anti-misoperation unit of described powder spray doser;
When user is along in the process of spiral cover to the specific angle described in the first direction of rotation rotation, spiral cover drives vibration gear, now described rotating disk is not driven by vibration gear, vibration gear and rotating disk produce relative motion, vibration gear moves up and down under the action of the spring simultaneously, vibration source is provided, to realize the function vibrating administration to rotating disk and described outer cartridge case;
When user is along in the process of spiral cover to the specific angle described in the second direction of rotation rotation, spiral cover drives vibration gear, vibration gear drives turntable rotation, the medicine groove that now on rotating disk, one installs medicated powder, from rotating below cartridge case to preparation delivering drugs position, realizes once " quantitatively " for medicine;
The first direction of rotation described in it and the second direction of rotation, direction is contrary.
2., according to the anti-misoperation unit of powder spray doser according to claim 1, it is characterized in that
In the process that described spiral cover rotates along the first direction of rotation, if spiral cover, vibration gear and anti-rotation while rotate a specific angle along the first direction of rotation, now because pawl structures is positioned at the position, gap of anti-rotation anti-rotation projection, the ratchet of described rotating disk has the space of deformation, then next when spiral cover rotates along the second direction of rotation, rotating disk can be driven to rotate along the second direction of rotation;
In the process that above-mentioned spiral cover rotates along the first direction of rotation, if spiral cover, vibration gear and anti-rotation do not rotate to described specific angle, then the pawl structures of described rotating disk can not be positioned at the position, gap of anti-rotation anti-rotation projection, described pawl structures is caused not have the space of deformation, next when spiral cover rotates along the second direction of rotation, rotating disk cannot rotate along the second direction of rotation, thus when ensure that described powder spray doser uses, the angle of described dial rotation is correct, can not produce maloperation at every turn.
3. the anti-misoperation unit of the powder spray doser described in 1 is wanted according to right, it is characterized in that in the process rotated along the first direction of rotation at described spiral cover, because described pawl structures is stuck in unidirectional open slot, then at the process turntable non rotating that spiral cover rotates along the first direction of rotation, only have vibration gear, anti-rotation follow spiral cover along the first direction of rotation synchronous rotary.
4., according to the anti-misoperation unit of the powder spray doser described in claim 1,2 or 3, it is characterized in that the overhead view of the first described direction of rotation from powder spray doser is for being rotated counterclockwise direction; The second described direction of rotation is dextrorotation veer from the overhead view of powder spray doser.
5., according to the anti-misoperation unit of the powder spray doser described in claim 1,2 or 3, it is characterized in that described specific angle is the quantity of 360 degree/pawl structures.
6., according to the anti-misoperation unit of the powder spray doser described in claim 1,2 or 3, it is characterized in that described specific angle is the quantity of 360 degree/unidirectional open slot.
7. the method for preventing misoperation of a powder spray doser as claimed in claim 1, described powder spray doser outer setting has spiral cover, rotating disk is provided with in lower house, the below of rotating disk is provided with vibration gear, rotating disk described in it is the dosed administration dish in administration gauge assembly, when user rotate described in spiral cover time, spiral cover drives dial rotation by vibration gear, vibration gear provides vibration source for rotating disk simultaneously, to realize the function of vibration administration; It is characterized in that:
Described powder spray doser, in the outer rim of described rotating disk, arranges at least one pawl structures;
Between described rotating disk and described vibration gear, with anti-rotation projection anti-rotation is set;
The inwall of described lower house arranges at least one unidirectional open slot;
When user along first direction of rotation rotate described in spiral cover time, spiral cover drives vibration gear, and vibration gear and rotating disk produce relative motion, and vibration gear moves up and down under the action of the spring simultaneously, vibration source is provided, to realize the function vibrating administration to rotating disk and described outer cartridge case;
When user along second direction of rotation rotate described in spiral cover time, spiral cover drives vibration gear, vibration gear drives turntable rotation, and the medicine groove that now on rotating disk, installs medicated powder, from rotating below cartridge case to preparation delivering drugs position, realizes once " quantitatively " for medicine;
The first direction of rotation described in it is contrary with the direction of the second direction of rotation;
Described method for preventing misoperation, by cooperation and the interaction of described pawl structures, anti-rotation and unidirectional open slot, realize the anti-reversing rotating function of described rotating disk, and utilize the cooperation of pawl structures and unidirectional open slot, the rotation of user spiral cover is reminded whether to put in place, whether the anglec of rotation reaches setting, guarantee that the spiral cover of powder spray doser rotates the correct administration of a specific angle ability, prevent the situation of administration failure, and then realize the anti-misoperation function of powder spray doser.
8. according to the method for preventing misoperation of powder spray doser according to claim 7, it is characterized in that in the process rotated along the first direction of rotation at described spiral cover, if spiral cover, vibration gear and anti-rotation while rotate a specific angle along the first direction of rotation, now because pawl structures is positioned at the position, gap of anti-rotation anti-rotation projection, the ratchet of described rotating disk has the space of deformation, then next when spiral cover rotates along the second direction of rotation, rotating disk can be driven to rotate along the second direction of rotation;
If in the process that above-mentioned spiral cover rotates along the first direction of rotation, spiral cover, vibration gear and anti-rotation do not rotate to described specific angle, then the pawl structures of described rotating disk can not be positioned at the position, gap of anti-rotation anti-rotation projection, described pawl structures is caused not have the space of deformation, next when spiral cover rotates along the second direction of rotation, rotating disk cannot rotate along the second direction of rotation, thus when ensure that described powder spray doser uses at every turn, the angle of described dial rotation is correct, maloperation can not be produced, thus achieve the anti-misoperation function of described powder spray doser.
9., according to the method for preventing misoperation of the powder spray doser described in claim 7 or 8, it is characterized in that described specific angle is the quantity of 360 degree/pawl structures.
10., according to the method for preventing misoperation of the powder spray doser described in claim 7 or 8, it is characterized in that described specific angle is the quantity of 360 degree/unidirectional open slot.
11., according to the method for preventing misoperation of powder spray doser according to claim 8, is characterized in that the overhead view of the first described direction of rotation from powder spray doser is for being rotated counterclockwise direction; The second described direction of rotation is dextrorotation veer from the overhead view of powder spray doser.
12. according to the method for preventing misoperation of powder spray doser according to claim 7, it is characterized in that the strike note that described powder spray doser utilizes described pawl structures and produces through described unidirectional open slot, the anglec of rotation of spiral cover described in user is reminded whether to put in place, and pass through the number of times of described strike note, remind the anglec of rotation of user spiral cover whether to reach setting.
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| CN110250958A (en) * | 2019-04-16 | 2019-09-20 | 青岛科技大学 | A kind of rotary quantitative salt cellar |
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| CN104971413B (en) | 2023-04-14 |
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