CN201996933U - Safe injector and self-destructing device thereof - Google Patents
Safe injector and self-destructing device thereof Download PDFInfo
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- CN201996933U CN201996933U CN201120072708XU CN201120072708U CN201996933U CN 201996933 U CN201996933 U CN 201996933U CN 201120072708X U CN201120072708X U CN 201120072708XU CN 201120072708 U CN201120072708 U CN 201120072708U CN 201996933 U CN201996933 U CN 201996933U
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- self
- pedestal
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- supporter
- hole
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Abstract
The utility model discloses a self-destructing device of a safe injector, which comprises a seat body, a support body, a rod head and a tube body; the bottom surface of the seat body is provided with an inner concave oblique surface, the center of the seat body is provided with a through hole, and a circular step is arranged on the inner wall of the through hole; the support body is a circular plate which is provided with a central through hole, and support pieces are arranged around; a first flat taper step and a second flat taper step are arranged on the front end of the rod head at intervals; and support grooves are arranged in the head and an inner hole of the tube body. In the utility model, a push rod is pulled backwards, one flat taper step of the rod head is clamped on the circular step of the seat body and the other flat taper step of the rod head is clamped on the upper end surface of the support body, the seat body and the support body are driven to be pulled backwards together, and finally a needle head is driven to fully enter the tube body to realize self-destruction; and because the structures of the seat body and the support body are very simple, re-alignment does not need to be carried out when in assembly.
Description
Technical field
This utility model relates to a kind of safety injector and accessory thereof, relates in particular to a kind of safety injector and self-desttruction equipment thereof.
Background technology
For avoiding to the input of the mankind or animal or cross infection takes place when taking out medium, hypodermic syringe must disposable use, after use promptly as garbage disposal.Use at present maximum disposable syringes by cavity cylindrical shell, syringe needle and be assemblied in that tube is intravital to be decided the journey piston and form.The existing greatest problem of this syringe is after injection finishes, its syringe needle is still stayed the outside, not only for the carrying of syringe rubbish, destroy and make troubles, simultaneously may be because of stabbing medical personnel accidentally, cause the secondary cross infection of pathogenic bacteria, become the medical hidden danger that to ignore, the disposible safety syringe of retractable needle therefore occurred.
The utility model content
First technical problem to be solved in the utility model provides a kind of self-desttruction equipment of safety injector simple in structure, easy to assembly.
In order to solve the problems of the technologies described above, technical scheme provided by the utility model is: a kind of self-desttruction equipment of safety injector comprises pedestal, supporter, bar head and cylindrical shell; The bottom surface of described pedestal is provided with the indent inclined-plane, and the center of pedestal is provided with through hole, and the inwall of through hole is provided with ring-shaped step; Described supporter is be provided with central through hole circular dull and stereotyped, and is provided with support chip on every side; The front interval of described bar head is provided with the first flat body tapering step and the second flat body tapering step; Be provided with support slot in the endoporus of the head of described cylindrical shell.
Described supporter is monoblock type or multiple-piece.
The bottom surface diameter of the described first flat body tapering step is greater than the diameter of the endoporus of the ring-shaped step of pedestal, and the bottom surface diameter of the second flat body tapering step is greater than the diameter of the central through hole of supporter.
The bottom surface diameter of the described first flat body tapering step is less than the diameter of the central through hole of supporter.
The diameter of described supporter is greater than the diameter of the bottom of pedestal.
The diameter of described supporter bottom surface is greater than the diameter of the endoporus of the support slot of cylindrical shell
The upper edge of described pedestal is interval with a plurality of type conical bench, and the intravital top of tube is interval with a plurality of cone tanks that cooperate with type conical bench.
One or more sealing rings are installed on the outer wall of described pedestal.
Second technical problem to be solved in the utility model provides a kind of safety injector.
In order to solve the problems of the technologies described above, technical scheme provided by the utility model is: a kind of safety injector, adopt the described self-desttruction equipment of aforementioned schemes.
After having adopted technique scheme, the utlity model has following beneficial effect: the through hole bottom of (1) pedestal of the present utility model is provided with ring-shaped step, the supporter center is porose, and the bar head is provided with two flat body tapering steps, with the push rod post-tensioning, two one on flat body tapering steps of bar head are stuck on the ring-shaped step of pedestal, one is stuck in the supporter upper surface, drive the whole post-tensioning of pedestal and supporter, the final syringe needle that drives enters cylindrical shell fully and realizes self-destruction, has stopped to expose phenomenon because of dealing with the needle point that causes improperly, has guaranteed the self-destruction effect, not only bring convenience, also can't be reused simultaneously by the lawless person to waste disposal; The more important thing is,, do not need during assembling to aim at again because the structure of the pedestal of self-desttruction equipment of the present utility model and supporter is all very simple.
(2) the bottom surface diameter of first of the bar head of the present utility model flat body tapering step is less than the diameter of the central through hole of supporter, and the action that the feasible push rod that assembles of this structure passes supporter forward is lighter.
(3) when the centre bore of the ring-shaped step of pedestal of the present utility model be the central through hole of tapered hole and supporter when being tapered hole, can make part on the corresponding direction of motion, obtain littler resistance, make assembling more easily and convenient.
(4) when the interior concave plane of edge protrusion, middle indent is adopted in the bottom surface of pedestal of the present utility model, supporter is not stressed at the center when contacting with pedestal, the edge is stressed, thereby makes structure more stable.
(5) supporter of the present utility model can be monoblock type or for multiple-piece, such structure has been enriched the selection of structure on the one hand, on the other hand, when supporter adopts the structure of multiple-piece, can have better elasticity, thereby makes and pull back and assemble lighter.
(6) upper edge of pedestal of the present utility model is interval with a plurality of type conical bench, and the intravital top of tube is interval with a plurality of cone tanks that cooperate with type conical bench, and this structure does not need the location when making pedestal and cylindrical shell assembling, and can not rotate after the assembling.
Description of drawings
Content of the present utility model is easier to be expressly understood in order to make, and according to specific embodiment also in conjunction with the accompanying drawings, this utility model is described in further detail, wherein below
Fig. 1 is the sketch map of self-desttruction equipment of the present utility model.
Fig. 2 is the structural representation of pedestal.
Fig. 3 is the structural representation of supporter.
Fig. 4 is the structural representation of bar head.
Label in the accompanying drawing is:
Bar head 3, the first flat body tapering step 31, the second flat body tapering steps 32;
Cylindrical shell 4.
The specific embodiment
(embodiment 1)
See Fig. 1 to Fig. 4, the self-desttruction equipment of present embodiment comprises pedestal 1, supporter 2, bar head 3 and cylindrical shell 4.
Specifically see Fig. 2, pedestal 1 is positioned at the top of supporter 2, the bottom surface of pedestal 1 is provided with the indent inclined-plane, the center of pedestal 1 is provided with through hole 11, the inwall of through hole 11 is provided with ring-shaped step 12, the upper edge of pedestal 1 is interval with a plurality of type conical bench 13, and one or more sealing rings 14 are installed on the outer wall of pedestal (1).
Referring to Fig. 3, supporter 2 is monoblock type or multiple-piece; Supporter 2 is dull and stereotyped for the circle that is provided with central through hole 21, and is provided with support chip on every side.
Referring to Fig. 4, the front interval of bar head 3 is provided with first flat body tapering the step 31 and second flat body tapering step 32, the bottom surface diameter of the first flat body tapering step 31 is greater than the diameter of bore of the ring-shaped step 12 of pedestal 1, and the bottom surface diameter of the second flat body tapering step 32 is greater than the diameter of the central through hole 21 of supporter 2; The bottom surface diameter of the first flat body tapering step 31 is less than the diameter of the central through hole 21 of supporter 2.
Again referring to Fig. 1, the diameter of supporter 2 is provided with support slot greater than the diameter of the endoporus of the support slot of the diameter of the bottom of pedestal 1 and cylindrical shell 4 in the endoporus of the head of cylindrical shell 4.During assembling, supporter 2 is supported by the support slot of cylindrical shell 4, and the support level pedestal 1 of portion thereon; Top in the cylindrical shell 4 is interval with a plurality of cone tanks that cooperate with the type conical bench 13 of pedestal 1, does not need the location when making pedestal 1 with cylindrical shell 4 assemblings, and can not rotate after the assembling.Bar head 3 is assemblied in the upper end of whole push rod, the push rod that assembles is pushed cylindrical shell 4 from the bottom up, the first flat body tapering step 31 of bar head 3 is crossed the ring-shaped step 12 of pedestal 1 after by supporter 2, and continue reach, cross when the second flat body tapering step 32 of bar head 3 to assemble behind the central through hole 21 of supporter 2 and finish.After injection finishes, the push rod of band bar head 3 is pulled back, and the second flat body tapering step 32 drives the support slot that supporter 2 breaks away from cylindrical shell 4 earlier, and the bar head continues to move down, make the flat body tapering step 31 of winning drive pedestal 1 and move down, pedestal 1 drive syringe needle enters cylindrical shell 4 fully and realizes self-destruction.
(embodiment 2)
A kind of safety injector of present embodiment adopts the self-desttruction equipment among the embodiment 1.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; be not limited to this utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. the self-desttruction equipment of a safety injector is characterized in that: comprise pedestal (1), supporter (2), bar head (3) and cylindrical shell (4); The bottom surface of described pedestal (1) is provided with the indent inclined-plane, and the center of pedestal (1) is provided with through hole (11), and the inwall of through hole (11) is provided with ring-shaped step (12); Described supporter (2) is dull and stereotyped for the circle that is provided with central through hole (21), and is provided with support chip on every side; The front interval of described bar head (3) is provided with the first flat body tapering step (31) and the second flat body tapering step (32); Be provided with support slot in the endoporus of the head of described cylindrical shell (4).
2. the self-desttruction equipment of a kind of safety injector according to claim 1, it is characterized in that: described supporter (2) is monoblock type or multiple-piece.
3. the self-desttruction equipment of a kind of safety injector according to claim 2, it is characterized in that: the bottom surface diameter of the described first flat body tapering step (31) is greater than the diameter of the endoporus of the ring-shaped step (12) of pedestal (1), and the bottom surface diameter of the second flat body tapering step (32) is greater than the diameter of the central through hole (21) of supporter (2).
4. the self-desttruction equipment of a kind of safety injector according to claim 3, it is characterized in that: the bottom surface diameter of the described first flat body tapering step (31) is less than the diameter of the central through hole (21) of supporter (2).
5. the self-desttruction equipment of a kind of safety injector according to claim 4, it is characterized in that: the diameter of described supporter (2) is greater than the diameter of the bottom of pedestal (1).
6. the self-desttruction equipment of a kind of safety injector according to claim 5, it is characterized in that: the diameter of described supporter (2) bottom surface is greater than the diameter of the endoporus of the support slot of cylindrical shell (4)
7. the self-desttruction equipment of a kind of safety injector according to claim 6, it is characterized in that: the upper edge of described pedestal (1) is interval with a plurality of type conical bench (13), and the top in the cylindrical shell (4) is interval with a plurality of cone tanks that cooperate with type conical bench (13).
8. the self-desttruction equipment of a kind of safety injector according to claim 7 is characterized in that: one or more sealing rings (14) are installed on the outer wall of described pedestal (1).
9. a safety injector is characterized in that: adopt the self-desttruction equipment as the described safety injector of one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120072708XU CN201996933U (en) | 2011-03-18 | 2011-03-18 | Safe injector and self-destructing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120072708XU CN201996933U (en) | 2011-03-18 | 2011-03-18 | Safe injector and self-destructing device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201996933U true CN201996933U (en) | 2011-10-05 |
Family
ID=44699713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120072708XU Expired - Fee Related CN201996933U (en) | 2011-03-18 | 2011-03-18 | Safe injector and self-destructing device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201996933U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012126342A1 (en) * | 2011-03-18 | 2012-09-27 | 常州和康医疗器材有限公司 | Structure for use in disposable injector and disposable injector |
-
2011
- 2011-03-18 CN CN201120072708XU patent/CN201996933U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012126342A1 (en) * | 2011-03-18 | 2012-09-27 | 常州和康医疗器材有限公司 | Structure for use in disposable injector and disposable injector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANG ZHENBIAO JIANG BO Free format text: FORMER OWNER: JIANG ZHENBIAO Effective date: 20120221 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jiang Bo Inventor after: Mao Yiwu Inventor after: Jiang Zhenbiao Inventor before: Mao Yiwu Inventor before: Jiang Zhenbiao |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: MAO YIWU JIANG ZHENBIAO TO: JIANG BO MAO YIWU JIANG ZHENBIAO |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120221 Address after: 213000 Jiangsu city of Changzhou province Tongjiang Xinhui Road No. 301 building room 1108 Co-patentee after: Jiang Zhenbiao Patentee after: Mao Yiwu Co-patentee after: Jiang Bo Address before: Tongjiang road in Changzhou city of Jiangsu Province in 213000 Changzhou City Xinhui building room 1108 No. 301 Co-patentee before: Jiang Zhenbiao Patentee before: Mao Yiwu |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20140318 |