CN207694031U - Propeller - Google Patents
Propeller Download PDFInfo
- Publication number
- CN207694031U CN207694031U CN201720637663.3U CN201720637663U CN207694031U CN 207694031 U CN207694031 U CN 207694031U CN 201720637663 U CN201720637663 U CN 201720637663U CN 207694031 U CN207694031 U CN 207694031U
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- China
- Prior art keywords
- tube
- propeller
- injection
- propulsion
- occupying device
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Abstract
The utility model provides a kind of propeller, and for being used cooperatively with injection-tube, the injection-tube includes with the seal chamber for containing liquid, the propeller：Occupying device, have can front end compatible with the front inner wall of injection-tube male part, the occupying device is sealingly disposed in the seal chamber；Propulsion assembly is connected with the occupying device；Wherein, the occupying device can move under the action of the propulsion assembly from the rear end of the seal chamber to the front end of the seal chamber, until the front end male part is resisted against the front inner wall of the injection-tube.The propeller of the utility model can be used cooperatively with injection-tube, and can effective sealing injection pipe, it can effectively ensure that the liquid in injection-tube is projected by complete squeeze by the occupying device of propeller, the case where avoiding liquid waste occurs, simple in structure, easy to operate.
Description
Technical field
The utility model is about a kind of propeller, more particularly to the propeller applied in a kind of medical instruments field.
Background technology
Disposable encapsulated injector used at present integrates storage and function of injection, the disposable encapsulated injector master
It to be made of the propulsion tube of the syringe needle, protecting pipe and the splendid attire liquid that are sequentially connected, which is in corrugated tube shape, can carry out axis
To compression, when injecting, propulsion tube is compressed to the direction of syringe needle, the liquid in propulsion tube is squeezed out into syringe needle to reach
Purpose.
With promoting the use of for disposable encapsulated injector, it is found that there is also following deficiencies for the disposable encapsulated injector
Place：
1) because also having one section of protecting pipe to exist between the inner cavity of propulsion tube and syringe needle, after propulsion tube is fully compressed, in
Liquid cannot completely from syringe needle squeeze project, there are problems that liquid waste；
2) it when injecting, is made of plastic material due to propulsion tube, and there is certain pliability, to syringe needle
During direction compresses propulsion tube, there is double swerve in propulsion tube, and needle position is unstable when causing to inject, to trouble
Person brings pain.
Therefore, it is necessary to a kind of new propeller be provided, to overcome the above problem.
Utility model content
The purpose of this utility model is to provide a kind of propeller, can be used cooperatively with injection-tube, and can effectively seal note
Pipe is penetrated, can effectively ensure that the liquid in injection-tube is projected by complete squeeze by the occupying device of propeller, avoid liquid waste
The case where occur, it is simple in structure, it is easy to operate.
Following technical proposal can be used to realize in the above-mentioned purpose of the utility model：
The utility model provides a kind of propeller, and for being used cooperatively with injection-tube, the injection-tube, which has, contains liquid
Seal chamber, the propeller includes：
Occupying device, have can front end compatible with the front inner wall of injection-tube male part, the occupying device is close
Envelope is arranged in the seal chamber；
Propulsion assembly is connected with the occupying device；
Wherein, the occupying device can be from the rear end of the seal chamber to the seal chamber under the action of propulsion assembly
Front end movement, until the front end male part is resisted against the front inner wall of the injection-tube.
In the embodiment of the utility model, the occupying device also have back-end sealing portion, the back-end sealing portion with
The front end male part is connected, and the propulsion assembly is connected to the back-end sealing portion.
In the embodiment of the utility model, the outer wall in the back-end sealing portion is equipped with sealing and scrapes cutting members, described close
Envelope scrapes outer diameter of the outer diameter more than the back-end sealing portion of cutting members.
In the embodiment of the utility model, it is more on the outside of the back-end sealing portion by being set in that cutting members is scraped in the sealing
Road sealing ring composition.
In the embodiment of the utility model, it is close on the outside of the back-end sealing portion by being set in that cutting members is scraped in the sealing
The multiple ring convex ribs composition of seal ring and projection on the sealing ring.
In the embodiment of the utility model, the propulsion assembly includes propulsion tube and pushing away in the propulsion tube
Bar, the push rod can be connected in the propulsion tube, and the front end of the propulsion tube is connected with the occupying device.
In the embodiment of the utility model, the side wall of the propulsion tube, which is equipped with, is clamped recess portion, before the push rod
End is equipped with clamping protrusion, and in the state that the clamping protrusion is matched with the clamping recess portion, the push rod is connected in described
Propulsion tube.
In the embodiment of the utility model, the propulsion tube is located in the injection-tube.
In the embodiment of the utility model, the propulsion tube is located at outside the injection-tube.
In the embodiment of the utility model, the shape of the front end male part of the occupying device is cone cylinder body shape, hemisphere
Shape or cone shape.
The characteristics of propeller of the utility model and advantage are：The propeller can be used cooperatively with injection-tube, and can be had
Sealing injection pipe is imitated, can effectively ensure that the liquid in injection-tube is projected by complete squeeze by the occupying device of propeller, avoid
The case where liquid waste, occurs, simple in structure, easy to operate.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
The three-dimensional cutaway view for the use state that Fig. 1 is used cooperatively for the propeller of the utility model with injection-tube.
Fig. 2 is the three-dimensional structure diagram of the occupying device of the utility model.
Fig. 3 is the front sectional view of the occupying device of the utility model.
Fig. 4 is the side view of the occupying device of the utility model.
Fig. 5 is the three-dimensional structure diagram of the embodiment one of the propulsion tube of the utility model.
Fig. 6 is the sectional view of the embodiment one of the propulsion tube of the utility model.
Fig. 7 is the three-dimensional structure diagram of the embodiment two of the propulsion tube of the utility model.
Fig. 8 is the sectional view of the embodiment two of the propulsion tube of the utility model.
Fig. 9 is the three-dimensional structure diagram of the embodiment one of the push rod of the utility model.
Figure 10 is the sectional view of the embodiment one of the push rod of the utility model.
Figure 11 is the three-dimensional structure diagram of the embodiment two of the push rod of the utility model.
Figure 12 is the sectional view of the embodiment two of the push rod of the utility model.
The sectional view for another use state that Figure 13 is used cooperatively for the propeller of the utility model with injection-tube.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in figure 1 to figure 13, the utility model provides a kind of propeller 3, described for being used cooperatively with injection-tube 2
There is injection-tube 2 seal chamber 22 for containing liquid, the propeller 3 to include occupying device 31 and propulsion assembly 32, wherein：Occupying device
31 have can front end compatible with the front inner wall 24 of the injection-tube 2 male part 311, the occupying device 31 is sealingly disposed in
In the seal chamber 22；Propulsion assembly 32 is connected with the occupying device 31；Work of the occupying device 31 in the propulsion assembly 32
It can be moved from the rear end of the seal chamber 22 to the front end of the seal chamber 22 with lower, until 311 contact of front end male part
In the front inner wall 24 of the injection-tube 2.
The propeller 3 of the utility model can be used cooperatively with injection-tube 2, and can effective sealing injection pipe 2, by pushing away
Occupying device 31 into device 3 can effectively ensure that the liquid in injection-tube 2 is sent out by complete the case where squeezing injection, avoiding liquid waste
It is raw, it is simple in structure, it is easy to operate.
Specifically, cooperation is as shown in fig.1, propeller 3 is arranged in the rear end of injection-tube 2 23, the front end 21 of the injection-tube 2
It is connected with syringe needle 1.The propulsion assembly 32 that propeller 3 has occupying device 31 and is connected with occupying device 31, propulsion assembly 32 for example may be used
It is connected with occupying device 31 by way of being welded to connect；Wherein occupying device 31 is located in seal chamber 22, and the seal chamber 22 is by being arranged
It encloses to set in the tube wall of the diaphragm seal 252 of 2 front end 21 of injection-tube, occupying device 31 and injection-tube 2 to be formed.In the present invention, should
Injection-tube 2 can be disposable injection-tube.
Shown in Fig. 2 to Fig. 4, which has front end male part 311,311 energy of front end male part
The cooperation of front inner wall 24 with injection-tube 2 reclines, to ensure that the liquid in injection-tube 2 can be pushed out by occupying device 31 completely
It goes；In the present embodiment, the shape of the front end male part 311 of occupying device 31 can be cone cylinder body shape, hemispherical or cone shape, when
So, in other embodiments, the shape of the front end male part 311 of occupying device 31 can be according to the front inner wall 24 of injection-tube 2
Shape is changed, as long as can guarantee that the front end male part 311 of occupying device 31 is bonded i.e. completely with the front inner wall 24 of injection-tube 2
It can.Further, which also there is back-end sealing portion 312, the back-end sealing portion 312 to be connected with front end male part 311,
In the present embodiment, back-end sealing portion 312 is integrally formed with front end male part 311, which is connected to back-end sealing
Portion 312.Can be solid construction by 312 integrally formed occupying device 31 of front end male part 311 and back-end sealing portion；Or also may be used
For hollow-core construction, material can be saved in this way.
In the present invention, the outer wall in the back-end sealing portion 312 is equipped with sealing and scrapes cutting members 313, which scrapes cutting members
313 outer diameter is more than the outer diameter in the back-end sealing portion 312, which scrapes seal chamber of the cutting members 313 for sealing injection pipe 2
22, while in the state that the rear end of 31 self sealss chamber 22 of occupying device is moved to the front end of seal chamber 22, which scrapes cutting members 313
The effect that may also function as 2 inner wall of scraping injection-tube, the liquid further ensured in injection-tube 2 are all squeezed away, are avoided
Waste.
In a possible embodiments, which scrapes cutting members 313 can be by being set in the multiple-sealed of 312 outside of back-end sealing portion
Circle composition (diagram is not provided)；Alternatively, as shown in Figures 2 to 4, in another possible embodiments, which scrapes cutting members 313 can be by
It is set in multiple ring convex ribs 3132 composition of the sealing ring 3131 and projection in 312 outside of back-end sealing portion on sealing ring 3131,
Such as annular groove 3121 can be equipped on the outer wall in back-end sealing portion 312, which is embedded in the annular groove 3121.Those
Sealing ring or ring convex rib 3132 can not only play the role of the seal chamber 22 of sealing injection pipe 2, but also it can also make occupying device
31 from the rear end of injection-tube 2 23 to its front end 21 during move in the seal chamber 22 of injection-tube 2, plays scraping injection-tube
The effect of 2 inner walls avoids wasting so that the liquid in injection-tube 2 is adequately compressed out.
The propulsion assembly 32 of propeller 3 includes propulsion tube 321 and the push rod 322 in propulsion tube 321, the push rod 322
It can be connected in propulsion tube 321, the front end of the propulsion tube 321 is connected with occupying device 31.In the present invention, propulsion tube 321
Front end can be for example connected by way of being welded to connect with occupying device 31；Further, the side wall of the propulsion tube 321 is equipped with card
Recess portion 3211 is connect, the front end of push rod 322 is equipped with clamping protrusion 3221, matched in clamping protrusion 3221 and clamping recess portion 3211
Under state, push rod 322 is connected in propulsion tube 321.
Specifically, in a possible embodiments, as shown in Figure 5 and Figure 6, propulsion tube 321 is in substantially cuboid, is had
The internal channel 3212 of cuboid, the internal channel 3212 be used for place Fig. 9 and it is shown in Fig. 10 substantially be in cuboid push rod
322, clamping recess portion 3211 is respectively equipped on the opposite two side of propulsion tube 321, which can be that setting is pushing away
Through-hole on the opposite two side of inlet pipe 321 further can be equipped with clamping block 3213, the clamping in clamping recess portion 3211
Block 3213 is arranged towards 3212 projection of internal channel, in order to the clamping protrusion 3221 with 322 front end Fig. 9 and push rod shown in Fig. 10
It is clasped, which is rectangular flange of the projection in 322 front end of push rod；Further, pushing away in the embodiment
The rear end of bar 322 can hold convenient for human hand and use integrally formed with holding rod 3222.In addition, the front end of the propulsion tube 321 can be set
There is outward flange 3214, which can be annular flange, be used to be weldingly connected with occupying device 31.
In another possible embodiments, as shown in Figure 7 and Figure 8, propulsion tube 321 is in substantially cylinder barrel shaped, with cylinder
The internal channel 3212 of tubular, the internal channel 3212 be used to place shown in Figure 11 and Figure 12 substantially be in cylinder barrel shaped push rod 322,
Clamping recess portion 3211 is respectively equipped on the side wall of propulsion tube 321 diametrically, which can be that setting is promoting
Through-hole on the side wall of pipe 321 diametrically further can be equipped with clamping block 3213, the clamping in clamping recess portion 3211
Block 3213 is arranged towards 3212 projection of internal channel, in order to the clamping protrusion with 322 front end of push rod shown in Figure 11 and Figure 12
3221 are clasped, which is annular flange of the projection in 322 front end of push rod；Further, in the embodiment
Push rod 322 rear end can integrally formed with holding rod 3222, convenient for human hand hold use.In addition, the front end of the propulsion tube 321
It can be equipped with outward flange 3214, which can be annular flange, be used to be weldingly connected with occupying device 31.
In the present invention, as shown in Figure 1, propulsion tube 321 is located in injection-tube 2；That is, before use, occupying device
31 and the front end of propulsion tube 321 of propulsion assembly 32 be respectively positioned in injection-tube 2, and the rear end of the propulsion tube 321 of propulsion assembly 32
And push rod 322 is respectively positioned on outside injection-tube 2.Alternatively, in a further embodiment, as shown in figure 13, which is located at note
It penetrates outside pipe 2；That is, before use, only occupying device 31 is located in injection-tube 2, and propulsion assembly 32 is located at outside injection-tube 2.
The foregoing is merely several embodiments of the utility model, and those skilled in the art is according to disclosed in application documents
Content can carry out the utility model embodiment spirit and scope of the various changes or modifications without departing from the utility model.
Claims (10)
1. a kind of propeller, which is characterized in that for being used cooperatively with injection-tube, the injection-tube has the sealing for containing liquid
Chamber, the propeller include：
Occupying device, have can front end compatible with the front inner wall of injection-tube male part, occupying device sealing sets
It sets in the seal chamber；
Propulsion assembly is connected with the occupying device；
Wherein, before the occupying device can be from the rear end of the seal chamber to the seal chamber under the action of propulsion assembly
End movement, until the front end male part is resisted against the front inner wall of the injection-tube.
2. propeller as described in claim 1, which is characterized in that the occupying device also has back-end sealing portion, the rear end
Sealing is connected with the front end male part, and the propulsion assembly is connected to the back-end sealing portion.
3. propeller as claimed in claim 2, which is characterized in that the outer wall in the back-end sealing portion is equipped with sealing scraping
Part, described seal scrape outer diameter of the outer diameter of cutting members more than the back-end sealing portion.
4. propeller as claimed in claim 3, which is characterized in that the sealing scrapes cutting members by being set in the back-end sealing portion
The multiple-sealed circle in outside forms.
5. propeller as claimed in claim 3, which is characterized in that the sealing scrapes cutting members by being set in the back-end sealing portion
The multiple ring convex ribs composition of the sealing ring in outside and projection on the sealing ring.
6. propeller as described in claim 1, which is characterized in that the propulsion assembly include propulsion tube and be located at the propulsion
Push rod in pipe, the push rod can be connected in the propulsion tube, and the front end of the propulsion tube is connected with the occupying device.
7. propeller as claimed in claim 6, which is characterized in that the side wall of the propulsion tube is equipped with clamping recess portion, described
The front end of push rod is equipped with clamping protrusion, in the state that the clamping protrusion is matched with the clamping recess portion, the push rod card
It is connected to the propulsion tube.
8. propeller as claimed in claims 6 or 7, which is characterized in that the propulsion tube is located in the injection-tube.
9. propeller as claimed in claims 6 or 7, which is characterized in that the propulsion tube is located at outside the injection-tube.
10. propeller as described in claim 1, which is characterized in that the shape of the front end male part of the occupying device is round platform
The bodily form, hemispherical or cone shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720637663.3U CN207694031U (en) | 2017-06-02 | 2017-06-02 | Propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720637663.3U CN207694031U (en) | 2017-06-02 | 2017-06-02 | Propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207694031U true CN207694031U (en) | 2018-08-07 |
Family
ID=63020457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720637663.3U Active CN207694031U (en) | 2017-06-02 | 2017-06-02 | Propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207694031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107096099A (en) * | 2017-06-02 | 2017-08-29 | 雷诺丽特恒迅包装科技（北京）有限公司 | Propeller |
-
2017
- 2017-06-02 CN CN201720637663.3U patent/CN207694031U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107096099A (en) * | 2017-06-02 | 2017-08-29 | 雷诺丽特恒迅包装科技（北京）有限公司 | Propeller |
| CN107096099B (en) * | 2017-06-02 | 2024-01-02 | 雷诺丽特恒迅包装科技（北京）有限公司 | Propelling device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |