CN205007384U - Plug, piston assembly and syringe - Google Patents
Plug, piston assembly and syringe Download PDFInfo
- Publication number
- CN205007384U CN205007384U CN201520707885.9U CN201520707885U CN205007384U CN 205007384 U CN205007384 U CN 205007384U CN 201520707885 U CN201520707885 U CN 201520707885U CN 205007384 U CN205007384 U CN 205007384U
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- plug
- main part
- syringe
- piston
- head
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Abstract
The utility model discloses a plug, piston assembly and syringe, the plug is installed in the front end of piston main part for sliding seal is connected with the cylinder, the plug including be cyclic annular set up for the overcoat in the main part of the front end of piston main part and from the front end of main part just will the head of the front end shutoff of cyclic annular main part, the head includes stereoplasm layer and soft layer that the layering set up, in the utility model discloses in, be equivalent to and add the stereoplasm layer in the head of traditional plug, the stereoplasm layer is strengthened the bulk strength of head, thus strengthen the main part is in ascending intensity of week, therefore makes, the main part when annotating the liquid in -process and receive the extrusion, in week ascending deflection more even, and not can because of the main part in week ascending bulk strength poor and be out of shape not of uniform sizely, and result in the problem that has the clearance between the inner wall of main part and cylinder.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly relates to a kind of plug, piston component and syringe.
Background technology
Syringe is primarily of syringe and piston component composition, wherein, described piston component comprises push rod and is located at the piston of described push rod front end, described piston comprises piston main body and is sheathed on the plug of described piston main body front end outward, described plug is in order to be connected with syringe cylinder slipper seal, usually, described plug adopts comparatively soft material such as silica gel material to make, and described syringe and described push rod adopt the plastic material of comparatively hard to make.In injection process, slidably reciprocate between the inwall of described plug and described syringe, in sliding process, described plug is squeezed power effect, because described plug employing soft material makes, bulk strength is poor, and cause the distortion in the circumferential of the periphery wall of described plug not of uniform size, thus make, gap may be there is between the regional area of the periphery wall of described plug and the inwall of described syringe cylinder, and then, affect the air-tightness of described syringe on the one hand, on the other hand, leakage or antibacterial dust may be caused to enter in described syringe from this gap and pollute syringe.
Utility model content
Main purpose of the present utility model is to provide a kind of plug, aims to provide the intensity of the entirety of current plug.
For arriving above-mentioned technical purpose, this utility model provides a kind of plug, be installed on the front end of piston main body, in order to be connected with syringe slipper seal, described plug comprise the front end arranging to be coated at piston main body socket in the form of a ring main part and from the front end of described main part and by the head of the front end shutoff of described annular body, described head comprises the hard layer and soft layer that layering arranges.
Preferably, described head is coniform setting.
Preferably, the outer surface of described circular body portion is provided with ring-shaped groove.
Preferably, described hard layer is positioned at the outside of described soft layer, or described hard layer is positioned at the inner side of described soft layer.
Preferably, described hard layer adopts plastic material to make, and described soft layer adopts silica gel material to make.
This utility model also provides a kind of piston component, comprise push rod, be installed on the piston main body of the front end of described push rod and be sheathed on described piston main body front end and in order to be connected plug with syringe slipper seal,
Described plug comprise the front end arranging to be coated at piston main body socket in the form of a ring main part and from the front end of described main part and by the head of the front end shutoff of described annular body, described head comprises the hard layer and soft layer that layering arranges.
Preferably, the outer surface of described circular body portion is provided with ring-shaped groove.
Preferably, described hard layer is positioned at the outside of described soft layer, or described hard layer is positioned at the inner side of described soft layer.
Preferably, described hard layer adopts plastic material to make, and described soft layer adopts silica gel material to make.
This utility model provides again a kind of syringe, comprise syringe and slide and the piston component be tightly connected with described syringe, described piston component comprises push rod, be installed on the piston main body of the front end of described push rod and be sheathed on described piston main body front end and in order to be connected plug with syringe slipper seal
Described plug comprise the front end arranging to be coated at piston main body socket in the form of a ring main part and from the front end of described main part and by the head of the front end shutoff of described annular body, described head comprises the hard layer and soft layer that layering arranges.
The plug that this utility model provides, be installed on the front end of piston main body, in order to be connected with syringe slipper seal, described plug comprise the front end arranging to be coated at piston main body socket in the form of a ring main part and from the front end of described main part and by the head of the front end shutoff of described annular body, described head comprises the hard layer and soft layer that layering arranges.In this utility model, be equivalent to add hard layer in the head of traditional plug, described hard layer strengthens the bulk strength of described head, thus strengthen the intensity of described main part in circumference, thus make, when described main part is squeezed in injection process, the deflection in circumference is more even, and can not be out of shape not of uniform size because of the bulk strength of described main part in circumference difference, and cause the problem that there is gap between described main part and the inwall of syringe.
Accompanying drawing explanation
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, the structure according to these accompanying drawings can also obtain other accompanying drawing.
The perspective view of one embodiment of the plug that Fig. 1 provides for this utility model;
The sectional structure schematic diagram that Fig. 2 is the plug shown in Fig. 1.
Drawing reference numeral illustrates:
| Label | Title |
| 100 | Plug |
| 1 | Main part |
| 11 | Ring-shaped groove |
| 2 | Head |
| 21 | Hard layer |
| 22 | Soft layer |
The realization of this utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, be clearly and completely described the technical scheme in this utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of this utility model protection.
Need explanation, all directivity instruction (such as up, down, left, right, before and afters in this utility model embodiment ...) only for explaining the relative position relation, motion conditions etc. under a certain particular pose (as shown in drawings) between each parts, if when this particular pose changes, then directionality instruction also correspondingly changes thereupon.
In addition, in this utility model, relate to the description of " first ", " second " etc. only for describing object, and instruction can not be interpreted as or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In addition; technical scheme between each embodiment can be combined with each other; but must be can be embodied as basis with those of ordinary skill in the art; when technical scheme combination occur conflicting maybe cannot realize time people should think that the combination of this technical scheme does not exist, also not this utility model require protection domain within.
This utility model provides a kind of plug, an embodiment of the plug that Fig. 1 to Fig. 2 provides for this utility model:
Refer to Fig. 1 and Fig. 2, described plug 100 is installed on the front end of piston main body (piston main body and rubber plug combination and form piston), in order to slide with syringe and to be tightly connected, described plug 100 comprises the main part 1 that arranges in the form of a ring in order to be socketed with the front end of piston main body and from the front end of described main part 1 and by the head 2 of the front end shutoff of described annular body, and described head 2 comprises the hard layer 21 and soft layer 22 that layering arranges.
In this utility model, be equivalent to add hard layer in the head of traditional plug, described hard layer 21 strengthens the bulk strength of described head 2, thus strengthen the intensity of described main part 1 in circumference, thus make, when described main part 1 is squeezed in injection process, the deflection in circumference is more even, and can not be out of shape not of uniform size because of the bulk strength of described main part 1 in circumference difference, and cause the problem that there is gap between described main part 1 and the inwall of syringe.
Normally, described head 2, in coniform setting, is planted in syringe to facilitate the plug 100 of the front end being located at described piston main body.
In the present embodiment, the outer surface of described circular body portion 1 is provided with ring-shaped groove 11, to reduce the contact area between described plug 100 and described syringe inwall, reduces the wearing and tearing of described plug 100.
Described hard layer 21 is positioned at the outside of described soft layer 22, or described hard layer 21 is positioned at the inner side of described soft layer 22.In the present embodiment, described hard layer 21 is positioned at the outside of described soft layer 22.Further, in the present embodiment, described hard layer 21 adopts plastic material to make, described soft layer 22 adopts silica gel material to make, obviously, the design is not limited thereto, described hard layer 21 also can adopt other harder materials as metal material, ceramic material etc., only need the material of described hard layer 21 harder than material (material of the also i.e. current common plug employing) hardness of described soft layer 22, just passable with the intensity strengthening described head 2, correspondingly, described soft layer 22 is also not limited to silica gel material, also other can be adopted to be applicable to doing the soft material of plug, as silicone rubber etc.
This utility model also provides a kind of piston component, comprise push rod, be installed on the piston main body of the front end of described push rod and be sheathed on described piston main body front end and in order to be connected plug 100 with syringe slipper seal.The concrete structure of described plug 100 is with reference to above-described embodiment, and because described plug 100 have employed whole technical schemes of above-mentioned all embodiments, all beneficial effects that the technical scheme therefore equally with above-described embodiment is brought, this is no longer going to repeat them.
This utility model provides again a kind of syringe, comprise syringe and slide and the piston component be tightly connected with described syringe, described piston component comprises push rod, be installed on the piston main body of the front end of described push rod and be sheathed on described piston main body front end and in order to be connected plug 100 with syringe slipper seal.The concrete structure of described plug 100 is with reference to above-described embodiment, and because described plug 100 have employed whole technical schemes of above-mentioned all embodiments, all beneficial effects that the technical scheme therefore equally with above-described embodiment is brought, this is no longer going to repeat them.
Should be noted that; the technical scheme of each embodiment of the present utility model can be combined with each other; but must be can be embodied as basis with those skilled in the art; when technical scheme combination occur conflicting maybe cannot realize time people should think that the combination of this technical scheme does not exist, also not this utility model require protection domain within.
These are only preferred embodiment of the present utility model; not thereby its scope of the claims is limited; every utilize this utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; directly or indirectly be used in the technical field that other are relevant, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a plug, be installed on the front end of piston main body, in order to be connected with syringe slipper seal, it is characterized in that, described plug comprise the front end arranging to be coated at piston main body socket in the form of a ring main part and from the front end of described main part and by the head of the front end shutoff of described annular body, described head comprises the hard layer and soft layer that layering arranges.
2. plug as claimed in claim 1, it is characterized in that, described head is coniform setting.
3. plug as claimed in claim 1, it is characterized in that, the outer surface of described circular body portion is provided with ring-shaped groove.
4. plug as claimed in claim 1, it is characterized in that, described hard layer is positioned at the outside of described soft layer, or described hard layer is positioned at the inner side of described soft layer.
5. plug as claimed in claim 1, is characterized in that, described hard layer adopts plastic material to make, and described soft material adopts silica gel material to make.
6. a piston component, comprises push rod, is installed on the piston main body of the front end of described push rod and is sheathed on the front end of described piston main body and in order to slide and the plug that is tightly connected with syringe, it is characterized in that,
Described plug comprise the front end arranging to be coated at piston main body socket in the form of a ring main part and from the front end of described main part and by the head of the front end shutoff of described annular body, described head comprises the hard layer and soft layer that layering arranges.
7. piston component as claimed in claim 6, it is characterized in that, the outer surface of described circular body portion is provided with ring-shaped groove.
8. piston component as claimed in claim 6, it is characterized in that, described hard layer is positioned at the outside of described soft layer, or described hard layer is positioned at the inner side of described soft layer.
9. piston component as claimed in claim 6, is characterized in that, described hard layer adopts plastic material to make, and described soft layer adopts silica gel material to make.
10. a syringe, is characterized in that, it comprises syringe and slides and the piston component be tightly connected with described syringe, and described piston component is the piston component as described in any one of claim 6-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520707885.9U CN205007384U (en) | 2015-09-11 | 2015-09-11 | Plug, piston assembly and syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520707885.9U CN205007384U (en) | 2015-09-11 | 2015-09-11 | Plug, piston assembly and syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205007384U true CN205007384U (en) | 2016-02-03 |
Family
ID=55206015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520707885.9U Active CN205007384U (en) | 2015-09-11 | 2015-09-11 | Plug, piston assembly and syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205007384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110448765A (en) * | 2019-08-30 | 2019-11-15 | 深圳安特医疗股份有限公司 | Piston component and syringe |
-
2015
- 2015-09-11 CN CN201520707885.9U patent/CN205007384U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110448765A (en) * | 2019-08-30 | 2019-11-15 | 深圳安特医疗股份有限公司 | Piston component and syringe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 Jinhui Road, Pingshan New District, Shenzhen, Guangdong Province, No. 18 Patentee after: Shenzhen ante medical Limited by Share Ltd Address before: 518052 Jinhui Road, Pingshan New District, Shenzhen, Guangdong Province, No. 18 Patentee before: Shenzhen Ante Gaoke Industrial Co., Ltd. |
|
| CP03 | Change of name, title or address |