CN204840528U - Plug, cylinder piston assembly and syringe - Google Patents
Plug, cylinder piston assembly and syringe Download PDFInfo
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- CN204840528U CN204840528U CN201520330064.8U CN201520330064U CN204840528U CN 204840528 U CN204840528 U CN 204840528U CN 201520330064 U CN201520330064 U CN 201520330064U CN 204840528 U CN204840528 U CN 204840528U
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- cylinder
- plug
- syringe
- piston
- cannelure
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Abstract
The utility model provides a plug, cylinder piston assembly and syringe, the plug is for to form for the piston in the cylinder with the piston rod combination, the plug include the cylinder, from a terminal surface of cylinder is concave establish for with piston rod complex mounting hole, the side surface of cylinder for with the cylinder cooperation, in the concave ring channel of establishing of side surface of cylinder, be equipped with the oil storage portion that is used for storing lubricating oil in the ring channel. Thus, oil storage portion has avoided after receiving the extrusion and release the lubricating oil of storing piston and cylinder lead to lubricating oil to reduce and the problem of unable normal operating in continuous friction back.
Description
Technical field
This utility model relates to technical field of medical instruments, is specifically related to a kind of plug, cylinder piston assembly and syringe.
Background technology
At present, most of cylinder piston assembly is all be coated with lubricating oil, to ensure that piston can move back and forth stably in syringe at the outer surface of plug; In Clinical practice, after the medial wall of plug and syringe constantly rubs, the lubricating oil being adsorbed in the outer surface of plug and the medial wall of syringe can reduce gradually, and causes the resistance of piston movement will be increasing, affects the normal work of this cylinder piston assembly.
Utility model content
Main purpose of the present utility model is to provide a kind of plug, cylinder piston assembly and syringe, is intended to solve the problem that current plug self cannot store lubricating oil.
For arriving above-mentioned technical purpose, this utility model provides a kind of plug, described plug is formed in order to the piston in syringe in order to combine with piston rod, described plug comprises cylinder, from the recessed installing hole in order to coordinate with described piston rod of an end face of described cylinder, the side surface of described cylinder is in order to coordinate with described syringe, in the recessed cannelure of side surface of described cylinder, in described cannelure, be provided with the oil storage portion storing lubricating oil.
Preferably, the wall of described cannelure is provided with concaveconvex structure to form described oil storage portion.
Preferably, described concaveconvex structure is located at the diapire of described cannelure.
Preferably, multiple oil storage holes that the surface of described cannelure is arranged with, to form described concaveconvex structure.
Preferably, described oil storage portion is located on described cannelure and adopts the collar that springhole gap material is made.
Preferably, the outer surface of one end away from described piston rod of described cylinder is that taper seat is arranged to form guidance part.
This utility model also provides a kind of cylinder piston assembly, the syringe comprise plug as above, closing with described tight with piston and the piston rod be fixedly connected with described plug.
This utility model additionally provides a kind of syringe, the pipeline assembly comprising cylinder piston assembly as above and be connected with the syringe of described cylinder piston assembly.
This utility model provides a kind of plug, cylinder piston assembly and syringe, described plug is formed in order to the piston in syringe in order to combine with piston rod, described plug comprises cylinder, from the recessed installing hole in order to coordinate with described piston rod of an end face of described cylinder, the side surface of described cylinder is in order to coordinate with described syringe, in the recessed cannelure of side surface of described cylinder, in described cannelure, be provided with the oil storage portion storing lubricating oil.So, the lubricating oil of storage discharges by described oil storage portion after being squeezed, and avoids described piston and syringe after constantly rub, causes lubricating oil minimizing and the problem that cannot normally run.
Accompanying drawing explanation
The schematic diagram of one embodiment of the cylinder piston assembly that Fig. 1 provides for this utility model;
Fig. 2 is the sectional view of described piston;
Fig. 3 is the first embodiment schematic diagram of described piston;
Fig. 4 is the second embodiment schematic diagram of described piston;
3rd embodiment schematic diagram of the described piston in Fig. 5 position.
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
The technical solution of the utility model is further illustrated below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explain this utility model, and be not used in restriction this utility model.
This utility model provides a kind of cylinder piston assembly 100, described cylinder piston assembly 100 comprises plug 1, the piston rod 2 be fixedly connected with described plug 1, and the friction tight syringe 3 of piston 10 to form with described plug 1 and described piston rod 2, described plug 1 comprises cylinder 11, from the recessed installing hole 12 in order to coordinate with described piston rod 2 of an end face of described cylinder 11, the side surface 111 of described cylinder 11 is in order to coordinate with described syringe 3, in the recessed cannelure 112 of side surface 111 of described cylinder 11, the oil storage portion storing lubricating oil is provided with in described cannelure 112.So, described reservoir passes through crimp, and the lubricating oil be stored in described oil storage portion is discharged, and then be adsorbed in the side surface 111 of described cylinder 11 and the medial wall of described syringe 3, thus described cylinder piston assembly 100 can be run stably.
In the present embodiment, the wall of described cannelure 112 is provided with concaveconvex structure to form described oil storage portion.Particularly, the wall of described cannelure 112 is arranged to rough texture (as shown in Figure 3), so, this lubricating oil enters better to be adsorbed in the wall of described cannelure 112 by the characterization of adsorption of self, and then is better stored in described cannelure 112.Further, described concaveconvex structure is located at the diapire 1121 of described cannelure 112.So, the processing of described concaveconvex structure is facilitated.
In the present embodiment, multiple oil storage holes 113 on the surface of described cannelure 112, to form described concaveconvex structure.So, described lubricating oil is stored in described multiple oil storage hole 113 by the absorbability of self, when described oil storage hole 113 is squeezed and is out of shape, the lubricating oil be stored in described oil storage hole 113 is extruded out because of the reduction of storage area, be adsorbed on the side surface 111 of described cylinder 11 and the medial wall of described syringe 3, to lubricate described cylinder piston assembly 100.
In the present embodiment, described oil storage portion is located on described cannelure 112 and adopts the collar 4 that springhole gap material is made.Described lubricating oil is stored in the described collar 4 by the hole absorption of the described collar 4, the described collar 4 is when described cylinder 11 compresses, be subject to the extruding of the sidewall of described cannelure 112 and be out of shape, and then the lubricating oil be stored in the described collar 4 is discharged, with the medial wall of the side surface 111 with described syringe 3 that lubricate described cylinder 11; Simultaneously, when the lubricating oil of the medial wall being adsorbed in described syringe 3 is too much, with the described reciprocating motion of plug 1, the sidewall along described cannelure 112 flows in described cannelure 112 this lubricating oil, and then be adsorbed in the hole of the described collar 4, so, not only solve described piston 10 for want of lubricating oil and the problem that cannot normally run, and also save the consumption of lubricating oil.In addition, the described collar 4 by the characteristic of self with described cannelure 112 tight fit, facilitate installation and the replacing of the described collar 4.
In the present embodiment, the outer surface of one end away from described piston rod 2 of described cylinder 11 is that taper seat is arranged, to form guidance part 13.Setting like this, when described piston 10 is that described syringe 3 is assembled, insert in described syringe 3 by the guiding of described guidance part 13, avoid described piston 10 and described syringe 3 and be difficult to insert the problem of described syringe 3 because rubbing excessive, facilitate described cylinder piston assembly 100 assembling.
This utility model provides a kind of syringe (not shown) further, the pipeline assembly (not shown) that this syringe comprises cylinder piston assembly 100 as above and is connected with the syringe of described cylinder piston assembly 100, the concrete structure of this cylinder piston assembly 100 is with reference to above-described embodiment, because this display have employed whole technical schemes of above-mentioned all embodiments, therefore all beneficial effects that the technical scheme having above-described embodiment is equally 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 (8)
1. a plug, formed in order to the piston in syringe in order to combine with piston rod, it is characterized in that, described plug comprises cylinder, from the recessed installing hole in order to coordinate with described piston rod of an end face of described cylinder, the side surface of described cylinder is in order to coordinate with described syringe, in the recessed cannelure of side surface of described cylinder, in described cannelure, be provided with the oil storage portion storing lubricating oil.
2. plug as claimed in claim 1, it is characterized in that, the wall of described cannelure is provided with concaveconvex structure to form described oil storage portion.
3. plug as claimed in claim 2, it is characterized in that, described concaveconvex structure is located at the diapire of described cannelure.
4. plug as claimed in claim 2, is characterized in that, multiple oil storage holes that the surface of described cannelure is arranged with, to form described concaveconvex structure.
5. plug as claimed in claim 1, is characterized in that, described oil storage portion is located on described cannelure and adopts the collar that springhole gap material is made.
6. plug as claimed in claim 1, is characterized in that, the outer surface of one end away from described piston rod of described cylinder is that taper seat is arranged to form guidance part.
7. a cylinder piston assembly, is characterized in that, comprise the plug as described in claim 1-6, with as described in the syringe that closes of tight with piston and with as described in the piston rod that is fixedly connected with of plug.
8. a syringe, is characterized in that, the pipeline assembly comprising cylinder piston assembly as claimed in claim 7 and be connected with the syringe of described cylinder piston assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520330064.8U CN204840528U (en) | 2015-05-20 | 2015-05-20 | Plug, cylinder piston assembly and syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520330064.8U CN204840528U (en) | 2015-05-20 | 2015-05-20 | Plug, cylinder piston assembly and syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204840528U true CN204840528U (en) | 2015-12-09 |
Family
ID=54731129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520330064.8U Active CN204840528U (en) | 2015-05-20 | 2015-05-20 | Plug, cylinder piston assembly and syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204840528U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016205314A1 (en) * | 2015-06-16 | 2016-12-22 | Zebrasci, Inc. | Self-lubricating medical syringes |
| WO2019179199A1 (en) * | 2018-02-12 | 2019-09-26 | 惠州海卓科赛医疗有限公司 | Elastic piston connecting structure, and high-pressure pumping system and method |
| WO2020034553A1 (en) * | 2018-08-15 | 2020-02-20 | 惠州海卓科赛医疗有限公司 | High pressure pump and high pressure pumping method |
-
2015
- 2015-05-20 CN CN201520330064.8U patent/CN204840528U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016205314A1 (en) * | 2015-06-16 | 2016-12-22 | Zebrasci, Inc. | Self-lubricating medical syringes |
| US9999731B2 (en) | 2015-06-16 | 2018-06-19 | ZebraSci, Inc | Self-lubricating medical syringes |
| WO2019179199A1 (en) * | 2018-02-12 | 2019-09-26 | 惠州海卓科赛医疗有限公司 | Elastic piston connecting structure, and high-pressure pumping system and method |
| WO2020034553A1 (en) * | 2018-08-15 | 2020-02-20 | 惠州海卓科赛医疗有限公司 | High pressure pump and high pressure pumping method |
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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 |