CN203971081U - The fungi-proofing syringe needle of protective-cover type - Google Patents
The fungi-proofing syringe needle of protective-cover type Download PDFInfo
- Publication number
- CN203971081U CN203971081U CN201420355758.2U CN201420355758U CN203971081U CN 203971081 U CN203971081 U CN 203971081U CN 201420355758 U CN201420355758 U CN 201420355758U CN 203971081 U CN203971081 U CN 203971081U
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- CN
- China
- Prior art keywords
- groove
- sheath
- fungi
- pintle
- proofing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses the fungi-proofing syringe needle of a kind of protective-cover type, its technical scheme main points comprise pintle, needle body, sheath, one end of described pintle is provided with the opening for being connected with syringe, the other end of the relative opening of described pintle is provided with groove, described needle body is fixed on bottom portion of groove and extends outside groove, described needle body and opening UNICOM, described needle body is arranged with sheath, the sidewall of described groove and sheath sidewall fit tightly, running-on end and the groove floor of described sheath fit tightly, the sidewall of described groove is provided with sealing ring, and described opening part is sealedly connected with diaphragm seal.The utility model has the advantages that and there is stronger sealing property, make syringe needle reach better fungi-proofing effect, improve the safety that syringe needle is used.
Description
Technical field
This utility model relates to a kind of syringe needle, and more particularly, it relates to the fungi-proofing syringe needle of a kind of protective-cover type.
Background technology
Syringe is a kind of apparatus that is widely used in medical treatment and biological technical field, and it is conventionally by syringe body, and syringe needle forms, syringe needle comprises pintle and needle body, needle body is arranged in one end of pintle, and the other end of pintle is opening, for syringe body on nipple inlay card fix.Syringe needle on market is conventionally all with sheath, and to play the effect of protection syringe needle and instant packed transportation, sheath is in the past all the cylindrical of hollow conventionally, an end opening, and one end sealing, opening part is placed on the sidewall of pintle.Yet only poor by the sealing structure of sheath opening sleeve on pintle sidewall; junction is with gap; air easily enters in sheath; be difficult to syringe needle to carry out sterility protection; and pintle for the opening of one end of nipple clamping conventionally without any seal approach, be directly placed in air, owing to being accompanied with various antibacterials in air; in the situation of shortage sealing state, antibacterial very easily adheres in needle surface, and injection safety is threatened.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of protective-cover type fungi-proofing syringe needle, and it has stronger sealing property, makes syringe needle reach better fungi-proofing effect, improves the safety that syringe needle is used.
For achieving the above object, this utility model provides following technical scheme: the fungi-proofing syringe needle of a kind of protective-cover type, comprise pintle, needle body, sheath, one end of described pintle is provided with the opening for being connected with syringe, the other end of the relative opening of described pintle is provided with groove, described needle body is fixed on bottom portion of groove and extends outside groove, described needle body and opening UNICOM, described needle body is arranged with sheath, the sidewall of described groove and sheath sidewall fit tightly, running-on end and the groove floor of described sheath fit tightly, the sidewall of described groove is provided with sealing ring, described opening part is sealedly connected with diaphragm seal.
By adopting technique scheme, abandoned the mode of sheath and pintle outer wall one side inlay card in the past, use sheath running-on instead and fit with pintle conflict, pintle wrap jacket running-on place the inlay card mode fitting tightly with the sidewall of sheath.By sheath running-on end face and side, two faces closely with pintle laminating inlay card, make sealing stronger, sealing effectiveness is better, and recess sidewall is provided with sealing ring, effectively guaranteed the sealing of needle body in sheath, pintle is used for the opening part fixing with syringe nipple inlay card by diaphragm seal effective sealing, guarantees the effective sealing in pintle, makes the state of syringe needle integral body in a sealing, there is stronger fungi-proofing effect, improve the safety that syringe needle is used.During use, only sheath need be pulled out, and the diaphragm seal of tearing, the open card of pintle is embedded on the nipple of syringe and just can use.
This utility model is further set to: the sidewall of described groove is provided with cannelure, and described sealing ring is shape size and the suitable state inlay card of cannelure shape size in cannelure.
By adopting technique scheme, sealing ring is that inlay card is in cannelure and just fill up cannelure, sealing ring is not protruded or only have a small amount of protrusion, sealing ring is all with flexible conventionally, even if there is a small amount of protrusion also can be pressed in cannelure, sheath still successfully inlay card in groove, the structure of annular makes the contact surface of sealing ring and sheath sidewall wider, sealing is stronger, and the structure of inlay card in cannelure can not come off sealing ring.
This utility model is further set to: edge's chamfering of described groove is provided with the conical surface.
By adopting technique scheme, because sheath is laminating closely and groove floor and sidewall, its running-on size is conventionally identical with the bottom surface size of groove, will be by the running-on notch to upper groove just in groove time by sheath inlay card, may there is inconvenience, therefore be provided with the conical surface in edge's chamfering of groove, be more convenient for the notch of running-on and groove to upper, thereby make the easier inlay card of sheath in groove, raise the efficiency.
This utility model is further set to: the cross section that described sheath is placed in the part outside groove is less than the cross section of groove floor.
By adopting technique scheme, in order to facilitate sheath inlay card in groove, running-on end and groove arrange larger conventionally, the inlay card of too little inconvenient sheath and groove, but needle body is in fact conventionally very thin, sheath is arranged excessive, easily cause the waste of material, therefore sheath is suitably run business into particular one as for the part outside groove, can effectively save production cost.
This utility model is further set to: the other end of the relative groove of described sheath is provided with pull handle.
By adopting technique scheme, the pull handle of setting up can be pulled out sheath more easily.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the fungi-proofing syringe needle embodiment of this utility model protective-cover type;
Fig. 2 is the cutaway view of the fungi-proofing syringe needle embodiment of this utility model protective-cover type while disassembling.
Description of reference numerals: 1, pintle; 2, needle body; 3, sheath; 4, diaphragm seal; 11, groove; 12, opening; 13, cannelure; 14, sealing ring; 15, the conical surface; 31, pull handle.
The specific embodiment
Referring to figs. 1 through Fig. 2, the fungi-proofing syringe needle embodiment of this utility model protective-cover type is described further.
The fungi-proofing syringe needle of the present embodiment protective-cover type, comprise pintle 1, needle body 2, sheath 3, one end of described pintle 1 is provided with the opening 12 for being connected with the nipple of syringe, the other end of described pintle 1 relative opening 12 is provided with groove 11, described needle body 2 is fixed on groove 11 bottoms and extends outside groove 11, described needle body 2 and opening 12 UNICOMs, described needle body 2 is arranged with sheath 3, the sidewall of described groove 11 and sheath 3 sidewalls fit tightly, the running-on end of described sheath 3 and groove 11 bottom surfaces fit tightly, the sidewall of described groove 11 is provided with sealing ring 14, described opening 12 places are sealedly connected with diaphragm seal 5.Abandoned the mode of sheath 3 and pintle 1 outer wall one side inlay card in the past, use sheath 3 running-ons and pintle 1 conflict laminating instead, pintle 1 wrap jacket 3 running-on places the inlay card mode fitting tightly with the sidewall of sheath 3, by sheath 3 running-on end face and sides, two faces closely with pintle 1 laminating inlay card, make sealing stronger, sealing effectiveness is better, and groove 11 sidewalls are provided with sealing ring, effectively guaranteed the sealing of needle body 2 in sheath 3, pintle 1 for fixing opening 12 places of syringe nipple inlay card by diaphragm seal 5 effective sealings, guarantee the effective sealing in pintle 1, make the state of syringe needle integral body in a sealing, there is stronger fungi-proofing effect, improve the safety that syringe needle is used.During use, only sheath 3 need be pulled out, and the diaphragm seal 5 of tearing, the opening of pintle 1 12 inlay cards just can be used on the nipple of syringe.Diaphragm seal 5 can be aluminum foil sealing film etc., by sealing machine, seals.
The sidewall of described groove 11 is provided with cannelure 13, and described sealing ring 14 is shape size and the suitable state inlay card of cannelure 13 shape sizes in cannelure 13.Sealing ring 14 is for inlay card is in cannelure 13 and just fill up cannelure 13, sealing ring 14 is not protruded or only have a small amount of protrusion, sealing ring 14 is all with flexible conventionally, even if there is a small amount of protrusion also can be pressed in cannelure 13, still successfully inlay card is in groove 11 for sheath 3, and the structure of annular makes sealing ring 14 wider with the contact surface of sheath 3 sidewalls, and sealing is stronger, the structure of inlay card in cannelure 13, can not come off sealing ring 14.Sealing ring 14 adopts the features such as elastomeric material is made, and it has good springiness, and sealing effectiveness is reliable herein, with just right herein.
Edge's chamfering of described groove 11 is provided with the conical surface 15.Because sheath 3 is laminating and groove 11 bottom surfaces and sidewall closely, its running-on size is conventionally identical with the bottom surface size of groove 11, will be by the running-on notch to upper groove 11 just when groove 11 is interior by sheath 3 inlay cards, may there is inconvenience, therefore the edge's chamfering at groove 11 is provided with the conical surface 15, be more convenient for the notch of running-on and groove 11 to upper, thereby make the easier inlay card of sheath 3 in groove 11, raise the efficiency.
The cross section that described sheath 3 is placed in the part outside groove 11 is less than groove 11 bottom surfaces.In order to facilitate sheath 3 inlay cards in groove 11, running-on end and groove 11 arrange larger conventionally, the inlay card of too little inconvenient sheath 3 and groove 11, but needle body 2 is in fact conventionally very thin, sheath 3 is arranged excessive, easily cause the waste of material, therefore sheath 3 is suitably run business into particular one as for the part outside groove 11, can effectively save production cost.
The other end of described sheath 3 relative grooves 11 is provided with pull handle 31, and pull handle 31 for integral type is connected, can pass through the machine-shaping of mould one with sheath 3.Because sheath 3 is for inlay card is closely in groove 11, in order to prevent coming off of sheath 3, its inlay card place is conventionally with certain frictional force, and sheath 3 may be thinner as for the part outside groove 11, the taking-up of inconvenient sheath 3, thus at sheath 3 ends, set up pull handle 31, can be by proficiency inlay card pull handle 31 places, another hands inlay card pintle 1 place, pulls out sheath 3 easily.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, all within design concept of the present utility model, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. the fungi-proofing syringe needle of protective-cover type, comprise pintle, needle body, sheath, one end of described pintle is provided with the opening for being connected with syringe, it is characterized in that: the other end of the relative opening of described pintle is provided with groove, described needle body is fixed on bottom portion of groove and extends outside groove, described needle body and opening UNICOM, described needle body is arranged with sheath, the sidewall of described groove and sheath sidewall fit tightly, running-on end and the groove floor of described sheath fit tightly, the sidewall of described groove is provided with sealing ring, and described opening part is sealedly connected with diaphragm seal.
2. the fungi-proofing syringe needle of protective-cover type according to claim 1, is characterized in that: the sidewall of described groove is provided with cannelure, and described sealing ring is shape size and the suitable state inlay card of cannelure shape size in cannelure.
3. the fungi-proofing syringe needle of protective-cover type according to claim 2, is characterized in that: edge's chamfering of described groove is provided with the conical surface.
4. according to the fungi-proofing syringe needle of protective-cover type described in claim 1 or 2 or 3, it is characterized in that: the cross section that described sheath is placed in the part outside groove is less than the cross section of groove floor.
5. the fungi-proofing syringe needle of protective-cover type according to claim 4, is characterized in that: the other end of the relative groove of described sheath is provided with pull handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420355758.2U CN203971081U (en) | 2014-06-30 | 2014-06-30 | The fungi-proofing syringe needle of protective-cover type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420355758.2U CN203971081U (en) | 2014-06-30 | 2014-06-30 | The fungi-proofing syringe needle of protective-cover type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203971081U true CN203971081U (en) | 2014-12-03 |
Family
ID=51968551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420355758.2U Expired - Fee Related CN203971081U (en) | 2014-06-30 | 2014-06-30 | The fungi-proofing syringe needle of protective-cover type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203971081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108607137A (en) * | 2018-05-14 | 2018-10-02 | 镇江高冠医疗器械有限公司 | A kind of disposable anesthetic needle component |
-
2014
- 2014-06-30 CN CN201420355758.2U patent/CN203971081U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108607137A (en) * | 2018-05-14 | 2018-10-02 | 镇江高冠医疗器械有限公司 | A kind of disposable anesthetic needle component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20170630 |