CN209347829U - The locking structure of atomized medicine introducing device - Google Patents
The locking structure of atomized medicine introducing device Download PDFInfo
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- CN209347829U CN209347829U CN201821889986.2U CN201821889986U CN209347829U CN 209347829 U CN209347829 U CN 209347829U CN 201821889986 U CN201821889986 U CN 201821889986U CN 209347829 U CN209347829 U CN 209347829U
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- shell
- introducing device
- catching groove
- locking structure
- engaging portion
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Abstract
The utility model provides a kind of locking structure of atomized medicine introducing device, including first shell, second shell, screw rod and fastener.First shell, which has, supports tug portion and catching groove, and catching groove is adjacent and is formed in tug portion side.Second shell is rotatably attached first shell, borrows and rotates relative to first shell along rotation axis.Screw rod is hubbed at second shell and is parallel to aforementioned rotation axis, and screw rod is with the relative rotation of second shell and first shell and along self center axis rotation.Fastener connecting screw and be driven by it, and fastener towards first shell support tug portion protruding out.Fastener supplies to support tug portion to tug to generate displacement, in by being limited in catching groove after supporting tug portion.Whereby, the utility model is constituted locking mechanism with screw rod and fastener, and it is lower with manufacturing cost can to reduce structural complexity, and prevents atomized medicine introducing device from mistakenly being locked.
Description
Technical field
The utility model is about a kind of locking structure, and especially a kind of locking structure of atomized medicine introducing device.
Background technique
Atomized medicine introducing device, which refers to, provides user's product of particular treatment purposes with Sprayable.For example, gas
The carry-on inhalant bottle of asthma patient is a kind of typical atomized medicine introducing device.
Particularity based on product, it is necessary to ensure that atomized medicine introducing device all releases identical dosage in each use, and
When the course for the treatment of closes to an end (i.e. reagent consumption to a certain amount of), it is also desirable to which configuration locking mechanism reminds user to replace in time.
A kind of locking structure of existing atomized medicine introducing device is combined using elastic slice with the two-piece type of push rod.It is atomized in operation
Simultaneously, step by step close to by the elastic slice of precompressed, the final elastic slice that pushes against resets and triggers locking mechanism push rod drug delivery device.
However, there are several disadvantages for above-mentioned locking mechanism: precompressed position need to be set for the shell of atomized medicine introducing device first,
Special shape need causes shell demoulding difficult, and elastic slice also needs to keep simultaneously alignment precompressed position in assembling, manufacturing cost with
Structural complexity is higher.Further, since must can be pushed by the elastic slice of precompressed, can not be fixedly arranged in groove, therefore elastic slice can
Can be fallen because of product, metal covibration in use due to it is unexpected spring back, lock atomized medicine introducing device mistakenly.
Utility model content
To solve problem of the prior art, the purpose of this utility model is to propose a kind of locking knot of atomized medicine introducing device
Structure, reduces structural complexity and manufacturing cost is lower, and can prevent atomized medicine introducing device from mistakenly being locked.
One embodiment of the utility model provides a kind of locking structure of atomized medicine introducing device, including first shell,
Two shells, screw rod and fastener.There is first shell at least one to support tug portion and at least one catching groove, and catching groove is adjacent and is formed
In the side for supporting tug portion.Second shell is rotatably attached first shell, borrows and can rotate relative to first shell along rotation axis.
Screw rod is hubbed at second shell and is parallel to aforementioned rotation axis, and screw rod with the relative rotation of second shell and first shell and
Along the center axis rotation of screw rod.Fastener connecting screw and be driven by it, and fastener towards first shell support tug portion protruding out.Fastener
Comprising engaging portion, engaging portion supplies to support tug portion to tug to generate displacement.The shape of engaging portion is matched with catching groove, in by supporting tug portion
It is limited in catching groove afterwards.
Optionally, the aforementioned tug portion that supports can have abutting side and limiting side, abut side and limiting side is located to tug portion
Opposite side.When engaging portion, which contacts, abuts side, tug portion guiding engaging portion is supported from sidesway is abutted to limiting side.
Optionally, the aforementioned tug portion that supports is protruded out towards rotation axis, when engaging portion contacts and abuts side, engaging portion direction rotation
It is resetted again after axis shift and is limited in catching groove in limiting side.
Optionally, it is also possible to tug portion and catching groove more than two.For example, first shell can relative rotation axis
It is symmetrical arranged another group and supports tug portion and catching groove.In addition, may be three groups to tug portion and catching groove according to different location requirements
More than, and equidistantly it is distributed in first shell.
Engaging portion above-mentioned can be integrally formed in fastener, for example, fastener can for the materials such as plastics, metal integral into
Shape.Alternatively, engaging portion can also be combined with fastener is connected as an entirety, and materials different each other.
Optionally, fastener further includes interconnecting piece and linking arm.Interconnecting piece has threaded hole, and screw rod is meshed with threaded hole,
Make fastener connecting screw and by screw drive.One end of linking arm is set to interconnecting piece, and engaging portion is set to the other end of linking arm.
Linking arm can be metal clips and be embedded at interconnecting piece.
Optionally, catching groove can penetratingly be set to first shell or the inner surface of first shell is arranged in.It is real herein
It applies in example, catching groove limits central angle folded by the both ends of engaging portion and is less than or equal to 25 degree.
Optionally, under original state, engaging portion is at a distance from rotation axis greater than the outer surface of second shell and rotation
The distance of axis.
Optionally, catching groove also can be set in the outside (such as outer surface or projectedly setting) of first shell.Herein
In embodiment, the outer surface of second shell can be equipped with block.When engaging portion and catching groove limit each other, aforementioned first shell it is interior
Surface can be at least one force section of projection, and the position of force section and one end of screw rod are corresponding.First shell and second shell
When relative rotation, force section contacts screw rod, rotates so as to lead-screw.
Determine in conclusion the locking structure of atomized medicine introducing device disclosed by the utility model need to be only arranged in first shell
The catching groove of position, the engaging portion of fastener are free end before entering catching groove, do not use the elastic slice component of palpus precompressed, are also not necessary in group
It fills while keeping alignment precompressed position, therefore manufacturing cost and structural complexity are lower, and atomized medicine introducing device can be prevented wrong
Accidentally lock.
For the enabled feature and technology contents for being further understood that the utility model, please refer to below in connection with the utility model
Detailed description and accompanying drawings, but these explanations are only used to illustrate the utility model with institute's accompanying drawings, rather than to the utility model
Interest field make any limitation.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the explosive view of the locking structure of the atomized medicine introducing device of the utility model embodiment；
Fig. 2A is the first shell schematic diagram of the locking structure of the atomized medicine introducing device of Fig. 1；
Fig. 2 B is the first shell cut-away view of the locking structure of the atomized medicine introducing device of Fig. 1；
Fig. 3 A is the fastener partial enlarged view of the locking structure of the atomized medicine introducing device of Fig. 1；
Fig. 3 B is the screw rod and fasteners action schematic diagram of the locking structure of the atomized medicine introducing device of Fig. 1；
Fig. 3 C is the force section schematic diagram of the first shell of the locking structure of the atomized medicine introducing device of Fig. 1；
Fig. 4 A is the structural schematic diagram of the locking structure of the atomized medicine introducing device of Fig. 1；
Fig. 4 B is the operation chart of the locking structure of the atomized medicine introducing device of Fig. 1；
Fig. 5 A is that the engaging portion of the locking structure of the atomized medicine introducing device of Fig. 1 supports tug abutting side schematic diagram；
Fig. 5 B is the engaging portion displacement diagram of Fig. 5 A；
The engaging portion that Fig. 5 C is Fig. 5 A fastens catching groove schematic diagram；
The engaging portion that Fig. 5 D is Fig. 5 A fastens catching groove schematic diagram；
Fig. 6 is another fastener schematic diagram of the locking structure of the atomized medicine introducing device of the utility model embodiment；
Fig. 7 A is another catching groove schematic diagram of the locking structure of the atomized medicine introducing device of the utility model embodiment；And
Fig. 7 B is the fastening schematic diagram of another catching groove of Fig. 7 A.
Appended drawing reference
The locking structure 100 of atomized medicine introducing device
First shell 200
To tug portion 210
Abut side 211
Limiting side 212
Catching groove 220
Stop end 221
Force section 230
Second shell 300
Outer surface 301
Block 310
Screw rod 400
Drive end 410
Fastener 500,500 '
Interconnecting piece 510,510 '
Threaded hole 511,511 '
Linking arm 520,520 '
Engaging portion 521,521 '
Rotation axis A
Central axis B
Central angle C
Specific embodiment
Below in conjunction with schema, the locking structure of the atomized medicine introducing device of the utility model embodiment is further explained.
Fig. 1 is please referred to, the locking structure 100 of atomized medicine introducing device includes first shell 200, second shell 300, screw rod
400 and fastener 500.First shell 200 is rotatably attached with second shell 300, makes the two can be relative to each other along rotation
Axis A rotation.Screw rod 400 is pivotably disposed in the side (outside of outer surface 301) of second shell 300, and screw rod 400
It is axially parallel to rotation axis A.When second shell 300 is rotated relative to first shell 200, screw rod 400 is therewith along self
Central axis B rotation.Fastener 500 equally be set to second shell 300 side, and 500 connecting screw 400 of fastener and driven by it
It is dynamic.Since fastener 500 is close to the side of second shell 300, when screw rod 400 rotates, fastener 500 is stopped by second shell 300
It keeps off and can not rotate simultaneously, be only capable of corresponding to the rotation of screw rod 400 and opposite screw rod 400 moves up and down.
Referring to Fig. 2A and Fig. 2 B, there are first shell 200 two groups to be supported tug portion 210 and catching groove 220 for cooperation.Catching groove 220 is adjacent
It connects and is formed in the side to tug portion 210.As shown in the cut-away view of Fig. 2 B, the two sides to tug portion 210 be divided into again abut side 211 with
And limiting side 212, and catching groove 220 is located at limiting side 212.Two groups are supported tug portion 210 and 220 relative rotation axis A of catching groove and symmetrically set
It sets.In other embodiments, it may be single group or multiple groups to tug portion 210 and catching groove 220 and be equidistantly distributed in first shell
Body 200.
Cooperate Fig. 2A, Fig. 2 B referring to Fig. 3 A, fastener 500 is connect with screw rod 400, and by being articulated in second shell 300
Screw rod 400 carrys out linear movement.Fastener 500 has interconnecting piece 510 and linking arm 520.Interconnecting piece 510, which has, to be suitable for and screw rod 400
The threaded hole 511 being meshed, enable interconnecting piece 510 by the drive of screw rod 400 and on screw rod 400 relative to second shell
300 linear movements.One end of linking arm 520 is set to interconnecting piece 510, and linking arm 520 is in prolate shape in the present embodiment, connects certainly
Socket part 510 is protruded out towards tug portion 210 is supported.The end of linking arm 520 has and the matched engaging portion 521 of 220 shape of catching groove.Fastener
500 interconnecting piece 510, linking arm 520 can be one of the forming with engaging portion 521.Alternatively, interconnecting piece 510, linking arm 520 with
Engaging portion 521 can also be combined into fastener 500 by the combination being fixedly connected.
Second shell 300 is omitted herein referring to Fig. 3 B for the movement for clearly showing that fastener 500, screw rod 400.First shell
200 inner surface is provided with two force sections 230 of protrusion, and 230 position of force section corresponds to one end (top) of screw rod 400.And
The top of screw rod 400 then has multiple driving ends 410.As shown in Figure 3B, the shape of force section 230 matches with driving end 410,
For pushing one of driving end 410.When first shell 200 and 300 relative rotation of second shell, force section 230 is contacted
And driving end 410 is pushed, then lead-screw 400 rotates.In other embodiments, the quantity of force section 230 can be individually,
It is also possible to multiple and is equally spaced in first shell 200.
Certainly, drive screw rod 400 to drive the linearly moving method of fastener 500 numerous, present embodiment is only slightly illustrated
It is bright, thus the implementation pattern of force section 230 can there are many, and these patterns are not excluded for the model covered in present embodiment
It encloses.Meanwhile the setting position of catching groove 220 is also not limited to the inner surface of first shell 200, and can penetratingly be arranged in first
Shell 200.
C referring to figure 3., by Fig. 2A to Fig. 3 B it is found that second shell 300 rotates around rotation axis A and drives 500 line of fastener
Property it is mobile toward catching groove 220.Then, engaging portion 521 contact support tug portion 210, and relative to support tug portion 210 slide and buckle into catching groove
220.In the preferred embodiment, catching groove 220 can be to be arc-shaped shown in Fig. 3 C, and catching groove 220 is to limit engaging portion 521
Central angle C folded by the stop end 221 at both ends is preferably less than equal to 25 degree.Whereby, when engaging portion 521 arrives at the position in tug portion 210
When setting, the width of catching groove 220 is enough to ensure that engaging portion 521 correctly buckles into catching groove 220, while the width of catching groove 220 is kept again
Effective limit can be reached in certain limit and fasten effect.
The operating process of the locking structure 100 of Fig. 4 A and Fig. 4 B signal atomized medicine introducing device.Under the original state of Fig. 4 A,
Fastener 500 is located at the bottommost of screw rod 400, that is, is located at the relatively far away from one end from first shell 200 of screw rod 400.?
While one shell 200 is with 300 relative rotation of second shell, fastener 500 and its engaging portion 521 also by screw rod 400 drive and to
Upper movement, that is, 210 linear movement of tug portion is supported towards first shell.
A to Fig. 5 D referring to figure 5., in fig. 5, when persistently rotation makes to detain second shell 300 relative to first shell 200
After part 500 is moved to the position of setting, engaging portion 521 starts the abutting side 211 that tug portion 210 is supported in contact.As shown in Figure 5 B, fastener
500 continue to protrude out due to being provided towards rotation axis A to tug portion 210, towards when the movement of first shell 200 in engaging portion 521
Contact abut side 211 when, engaging portion 521 by support tug portion 210 support tug and towards rotation axis A generate displacement, linking arm 520 in response to
The movement of engaging portion 521 and temporarily crust deformation until engaging portion 521 pass through support tug portion 210.
Referring to Fig. 5 C, when the engaging portion 521 of fastener 500 is by supporting tug portion 210, the reset force of linking arm 520, which is taken advantage of a situation, is led
Draw engaging portion 521 and slide onto limiting side 212, and then engaging portion 521 is made to be limited in catching groove 220.
Referring to Fig. 5 D, after engaging portion 521 is fixed on catching groove 220, the opposite shifting of first shell 200 and second shell 300
It is dynamic to be limited by the engaging portion 521 in catching groove 220, therefore second shell 300 can not freely be revolved with respect to first shell 200
Turn, forms the locking effect to atomized medicine introducing device.
Referring to Fig. 6, another fastener 500 ' of the locking structure 100 of atomized medicine introducing device is shown, selectively in Fig. 6
Alternate figures 1, Fig. 3 A, Fig. 3 B, fastener 500 shown in Fig. 4 A~Fig. 5 D.Similarly, fastener 500 ' is connect with screw rod 400, and is passed through
The screw rod 400 for being articulated in second shell 300 carrys out linear movement.Fastener 500 ' has interconnecting piece 510 ' and linking arm 520 '.Connection
Portion 510 ', which has, is suitable for the threaded hole 511 ' that is meshed with screw rod 400, make interconnecting piece 510 ' can by screw rod 400 drive and in
Relative to 300 linear movement of second shell on screw rod 400.
In the present embodiment, linking arm 520 ' and engaging portion 521 ' can be (slightly v-shaped) metal clips.This is (slightly v-shaped
) some of metal clips is linking arm 520 ', one end of linking arm 520 ' is embedded at interconnecting piece 510 '.Engaging portion 521 ' is then
Positioned at another part (i.e. linking arm 520 ' is relative to the other end being embedded in interconnecting piece 510 ') of this V-arrangement metal clips, shape
Shape can be matched with catching groove 220, and its inclined angle is designed to be suitable by supporting tug portion 210, and contact supports tug portion 210 and reaches lock
Gu first shell 200 and second shell 300.The move mode of fastener 500 ' is similar to the move mode of fastener 500, can refer to figure
3B, Fig. 4 A~Fig. 5 D schematic diagram, do not add to repeat herein.
In the present embodiment, since linking arm 520 ' and engaging portion 521 ' use metal material, engaging portion 521 ' can be made solid
Bigger torsion can be born after catching groove 220.
It should be noted that the shape of the catching groove 220 of the utility model is not limited to the pattern that schema is presented, it can foundation
Actual demand (such as the arrange in pairs or groups engaging portion 521 of fastener 500 or engaging portion 521 ' of fastener 500 ') is adjusted.
Fig. 7 A and Fig. 7 B is referred again to, other than aforementioned setting, catching groove 220 also be can be set outside first shell 200,
The linking arm 520 of fastener 500, engaging portion 521 are then according to the direction of catching groove 220 and change in shape.It fastens in order to further increase
Block 310 can be set in the outer surface 301 of power, second shell 300, is fastened on catching groove 220 in engaging portion 521 and limits each other
When, fastener 500 is limited between block 310 and catching groove 220, is fallen off to prevent clamping socket part 521.The present embodiment is about connection
The paragraph explanation such as Fig. 5 A to Fig. 5 D is correlated in the movement of arm 520 and engaging portion 521 during fastening, therefore herein no longer
It repeats.
In the present embodiment, in linking arm 520 (or linking arm 520 ') under original state, engaging portion 521 (or engaging portion
521 ') at a distance from rotation axis A, greater than second shell 300 outer surface 301 at a distance from rotation axis A.Here, snapping
The distance definition of portion 521 (or engaging portion 521 ') and rotation axis A are each point and rotation in engaging portion 521 (or engaging portion 521 ')
The average value of the distance of shaft axis A.In other words, fastener 500 and its engaging portion 521 (or engaging portion 521 ') are individually mounted at
Outside the outer surface 301 of two shells 300, therefore only needs to provide linking arm 520 (or linking arm 520 ') and generate temporary deformation
Space does not need separately to provide the groove for accommodating entire fastener 500, is less likely formed and is limited to structure compared to common locking structure
System.Whereby, the structural complexity of first shell 200 or second shell 300 can be effectively reduced.
Specifically, the temporary deformation in the utility model refers to by shape temporary caused by exerting a force
Change, such as bending, torsion, deformation.These deformation typically results in elastic position energy, and with reset after the disappearance of aforementioned force
Form discharges elastic position energy.
In addition, the fastener 500 of present embodiment is before triggering locking mechanism compared to the precompressed way of common locking structure
For free state, therefore it is also not required to the protruding parts of setting precompressed fastener 500, can avoid because the shape of first shell 200 is special
And cause demoulding difficult problem.
The above description is only the embodiments of the present invention, is not the scope of the patents to limit to the utility model.
Claims (13)
1. a kind of locking structure of atomized medicine introducing device characterized by comprising
There is first shell at least one to support tug portion and at least one catching groove, and the catching groove is adjacent and is formed in described to tug portion
Side；
Second shell is rotatably attached the first shell, for rotating relative to the first shell along rotation axis；
Screw rod, the parallel rotation axis and be hubbed at the second shell, and the screw rod with the second shell with it is described
The relative rotation of first shell and along the center axis rotation of the screw rod；And
Fastener connects the screw rod and protrudes out by the screw drive, and towards the tug portion that supports, and the fastener includes:
Engaging portion supports tug and generates displacement for the tug portion that supports, and the shape of the engaging portion matches with the catching groove, in passing through
It is described support tug portion after be limited in the catching groove.
2. the locking structure of atomized medicine introducing device according to claim 1, which is characterized in that wherein the tug portion that supports has
Side and limiting side are abutted, and side and the limiting side of abutting, positioned at the opposite side for supporting tug portion, the engaging portion connects
When touching the abutting side, the tug portion that supports guides the engaging portion from the abutting sidesway to the limiting side.
3. the locking structure of atomized medicine introducing device according to claim 2, which is characterized in that wherein described to support tug portion direction
The rotation axis protrudes out, and when the engaging portion contacts the abutting side, the engaging portion is displaced towards the rotation axis
It resets again afterwards and is limited in the catching groove in the limiting side.
4. the locking structure of atomized medicine introducing device according to claim 1, which is characterized in that wherein it is described support tug portion and
The catching groove is two or more, and it is described two it is above support tug portion and described two above catching grooves be equidistantly distributed in it is described
First shell.
5. the locking structure of atomized medicine introducing device according to claim 1, which is characterized in that the wherein engaging portion one
Form in the fastener.
6. the locking structure of atomized medicine introducing device according to claim 1, which is characterized in that wherein the fastener more wraps
It includes:
Interconnecting piece has threaded hole, and the screw rod is meshed with the threaded hole, and the fastener is made to connect the screw rod and by institute
State screw drive；And
Linking arm, one end are set to the interconnecting piece, and the engaging portion is set to the other end of the linking arm.
7. the locking structure of atomized medicine introducing device according to claim 6, which is characterized in that wherein the linking arm is gold
Belong to elastic slice and is embedded at the interconnecting piece.
8. the locking structure of atomized medicine introducing device according to claim 1, which is characterized in that wherein the catching groove is penetratingly
Set on the first shell or set on the inner surface of the first shell.
9. the locking structure of atomized medicine introducing device according to claim 8, which is characterized in that wherein the catching groove limits institute
Central angle folded by the both ends of engaging portion is stated less than or equal to 25 degree.
10. the locking structure of atomized medicine introducing device according to claim 1, which is characterized in that wherein the catching groove is set to
Outside the first shell.
11. the locking structure of atomized medicine introducing device according to claim 10, which is characterized in that the wherein second shell
Outer surface be equipped with block, and when the engaging portion and the catching groove limit each other, the fastener is located at the block and described
Between catching groove.
12. the locking structure of atomized medicine introducing device according to claim 1, which is characterized in that the wherein first shell
Inner surface be convexly equipped with an at least force section, the force section position corresponds to one end of the screw rod, the first shell and institute
When stating second shell relative rotation, the force section contacts the screw rod.
13. the locking structure of atomized medicine introducing device according to claim 1, which is characterized in that wherein under original state,
Outer surface of the engaging portion at a distance from the rotation axis greater than the second shell is at a distance from the rotation axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821889986.2U CN209347829U (en) | 2018-11-16 | 2018-11-16 | The locking structure of atomized medicine introducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821889986.2U CN209347829U (en) | 2018-11-16 | 2018-11-16 | The locking structure of atomized medicine introducing device |
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| Publication Number | Publication Date |
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| CN209347829U true CN209347829U (en) | 2019-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821889986.2U Active CN209347829U (en) | 2018-11-16 | 2018-11-16 | The locking structure of atomized medicine introducing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020098578A1 (en) * | 2018-11-16 | 2020-05-22 | Microbase Technology Corp. | Locking mechanism for aerosol drug delivery device |
-
2018
- 2018-11-16 CN CN201821889986.2U patent/CN209347829U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020098578A1 (en) * | 2018-11-16 | 2020-05-22 | Microbase Technology Corp. | Locking mechanism for aerosol drug delivery device |
| CN111195382A (en) * | 2018-11-16 | 2020-05-26 | 微邦科技股份有限公司 | Locking structure of atomization drug delivery device |
| CN111195382B (en) * | 2018-11-16 | 2022-04-19 | 微邦科技股份有限公司 | Locking structure of atomization drug delivery device |
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Assignee: TIANJIN JINYAO GROUP Co.,Ltd. Assignor: MICROBASE TECHNOLOGY Corp. Contract record no.: 2019990000151 Denomination of utility model: Locking structure of atomizing drug delivery device Granted publication date: 20190906 License type: Exclusive License Record date: 20190510 |