CN209347806U - A kind of disposable syringe - Google Patents
A kind of disposable syringe Download PDFInfo
- Publication number
- CN209347806U CN209347806U CN201821789584.5U CN201821789584U CN209347806U CN 209347806 U CN209347806 U CN 209347806U CN 201821789584 U CN201821789584 U CN 201821789584U CN 209347806 U CN209347806 U CN 209347806U
- Authority
- CN
- China
- Prior art keywords
- syringe
- connector
- pushing block
- elastic piece
- connector sleeve
- Prior art date
- 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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Links
- 239000011324 bead Substances 0.000 claims abstract description 9
- 230000014759 maintenance of location Effects 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims description 19
- 239000007924 injection Substances 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 206010011409 Cross infection Diseases 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of disposable syringe, including syringe, push handle and piston, the piston is set in syringe, and one end of push handle is connect with piston, and the other end is set to the outside of syringe；The outer surface at the top of the syringe is equipped with stop collar, stop collar is equipped with a radial through-hole, pushing block, push rod and elastic piece are equipped in radial through-hole, one end of push rod is connected with the one side of pushing block, the other end of push rod is set to the outside of radial through-hole, and one end of elastic piece is connected with the another side of pushing block, and the other end of elastic piece is equipped with barb, the elastic piece is equipped with symmetrical two, and gap is equipped between two elastic pieces；The inner wall of the radial through-hole is equipped with the retention bead between pushing block and barb, and spring is also connected between pushing block and retention bead；The surface of the push handle is equipped with the card slot that can accommodate elastic piece.The utility model has reasonable in design, easy to operate, the features such as preventing secondary use.
Description
Technical field
The utility model relates to a kind of disposable syringes.
Background technique
Syringe is a kind of common medical instruments, by the foraminate syringe of front end band and matching piston core pin
Composition, syringe be used to by a small amount of liquid or its be injected into region that other methods can not approach or taken out from those places
Out, perhaps gas is sucked when core bar is pushed into from syringe front end aperture by liquid or gas liquid when core bar is extracted
It squeezes out, is called injection with this process that syringe and syringe needle extracted or injected gas or liquid.
Existing disposable syringe after use, is often carried out recycling secondary use by illegal businessman, easily be caused
The cross-infection of user, there are some potential safety problemss.
Utility model content
The secondary disposable syringe used is prevented the purpose of the utility model is to provide a kind of.
Realizing the technical solution of the utility model aim is:
A kind of disposable syringe, including syringe, push handle and piston, the piston are set in syringe, one end of push handle
It is connect with piston, the other end is set to the outside of syringe；The outer surface at the top of the syringe is equipped with stop collar, on stop collar
Equipped with a radial through-hole, it is equipped with pushing block, push rod and elastic piece in radial through-hole, one end of push rod is connected with the one side of pushing block,
The other end of push rod is set to the outside of radial through-hole, and one end of elastic piece is connected with the another side of pushing block, and elastic piece
The other end is equipped with barb, and the elastic piece is equipped with symmetrical two, and gap is equipped between two elastic pieces；The radial direction is logical
The inner wall in hole is equipped with the retention bead between pushing block and barb, and spring is also connected between pushing block and retention bead；Institute
The surface for stating push handle is equipped with the card slot that can accommodate elastic piece.
Further, the card slot includes the exit orifice being connected and inside groove, and the diameter of exit orifice is less than the diameter of inside groove, and outer
Maximum distance between less than two barbs of the diameter in hole, the diameter of inside groove are greater than the maximum distance between two barbs.
Further, the bottom of the syringe is equipped with injection head, is arranged with connector sleeve on the surface of injection head；The injection
The surface of head is equipped with annular groove, and the inner wall of connector sleeve is equipped with the protrusion for being caught in annular groove；The connector sleeve
It is interior to be equipped with the connector being located at below injection head, installation cavity is formed between the outer wall of connector and the inner wall of connector sleeve；It is described
The inner wall of connector sleeve is equipped with the internal screw thread in installation cavity.
Further, gasket seal is equipped between the connector and injection head.
Further, gap is equipped between the top of the connector sleeve and the bottom of syringe.
Further, the bottom of the connector is in the outside of connector sleeve.
Further, the connector sleeve is an integral molding structure with connector.
Using above-mentioned technical proposal, the utility model has below the utility model has the advantages that (1) the utility model is being injected
Cheng Hou, the card slot in push handle will be directed at radial through-hole, then by pressing push rod, elastic piece be squeezed into card slot, so that elastic
The barb of on piece is stuck in card slot, can not be resetted, and such push handle can not just pull out, so that syringe can not make again
With effectively avoiding the secondary use of syringe, avoid user and the phenomenon that cross-infection occur, effectively avoid peace
The generation of full hidden danger.
(2) maximum distance between less than two barbs of diameter for the exit orifice that the utility model uses, two such elasticity
Piece enters exit orifice after shrinking, when subsequently into inside groove, since the diameter of inside groove is greater than the maximum distance between two barbs, in this way
Two elastic pieces just reset, and barb is just stuck in inside groove at this time, can not pull out, so as to lock push handle, until it can not
Secondary use.
(3) the utility model, only need to be by the pinhead sleeve to match on connector when installing syringe needle, then rotation connection
Set, so that connector sleeve and syringe needle are connected through a screw thread fixation, sound construction is convenient for disassembly and assembly, highly-safe.
(4) the utility model can prevent injection from leaking by gasket seal.
(5) the utility model is provided with gap between the top of connector sleeve and the bottom of syringe, consequently facilitating connector sleeve
Rotation.
(6) bottom of connector is in the outside of connector sleeve by the utility model, is convenient in this way by pinhead sleeve in connector
On.
Detailed description of the invention
In order to make the content of the utility model be easier to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model, wherein
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the enlarged drawing in Fig. 1 at A.
In attached drawing, syringe 1, push handle 2, piston 3, stop collar 4, radial through-hole 5, pushing block 6, push rod 7, elastic piece 8, barb 9,
Retention bead 10, spring 11, card slot 12, exit orifice 121, inside groove 122, injection head 13, annular groove 131, connector sleeve 14, protrusion
141, connector 15, gasket seal 16, installation cavity 17.
Specific embodiment
(embodiment 1)
See Fig. 1 and Fig. 2, the disposable syringe of the present embodiment, including syringe 1, push handle 2 and piston 3.
Piston 3 is set in syringe 1, and one end of push handle 2 is connect with piston 3, and the other end is set to the outside of syringe 1；Needle
The outer surface at the top of cylinder 1 is equipped with stop collar 4, and stop collar 4 is equipped with a radial through-hole 5, be equipped in radial through-hole 5 pushing block 6,
One end of push rod 7 and elastic piece 8, push rod 7 is connected with the one side of pushing block 6, and the other end of push rod 7 is set to radial through-hole 5
One end of outside, elastic piece 8 is connected with the another side of pushing block 6, and the other end of elastic piece 8 is equipped with barb 9, and elastic piece 8 is set
There are symmetrical two, and is equipped with gap between two elastic pieces 8；The inner wall of radial through-hole 5, which is equipped with, is located at pushing block 6 and barb
Retention bead 10 between 9, is also connected with spring 11 between pushing block 6 and retention bead 10；The surface of push handle 2, which is equipped with, to hold
The card slot 12 for setting elastic piece 8, after the completion of injection, piston 3 is pushed to the bottom of needle tubing 1 by push handle 2, and card slot 12 is just aligned at this time
Radial through-hole 5.
Card slot 12 includes the exit orifice 121 being connected and inside groove 122, and the diameter of exit orifice 121 is less than the diameter of inside groove 122, and
Maximum distance between less than two barbs 9 of the diameter of exit orifice 121, two elastic pieces 8 can move after compressing in exit orifice 121
Dynamic, the diameter of inside groove 122 is greater than the maximum distance between two barbs 9.
The bottom of syringe 1 is equipped with injection head 13, is arranged with connector sleeve 14, the top of connector sleeve 14 on the surface of injection head 13
Gap is equipped between the bottom of syringe 1.The surface of injection head 13 is equipped with annular groove 131, sets on the inner wall of connector sleeve 14
There is the protrusion 141 for being caught in annular groove 131, connector sleeve 14 can not only be fixed on injection head 13 in this way, moreover it is possible to
Rotation connection set 14；The connector 15 for being located at 13 lower section of injection head is equipped in connector sleeve 14, between connector 15 and injection head 13
Equipped with gasket seal 16, installation cavity 17, connector sleeve 14 and company are formed between the outer wall of connector 15 and the inner wall of connector sleeve 14
Connector 15 is an integral molding structure, and the bottom of connector 15 is in the outside of connector sleeve 14, and the inner wall of connector sleeve 14 is equipped with place
Internal screw thread in installation cavity 17.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that being not limited to this foregoing is merely specific embodiment of the utility model
Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap
Containing being within the protection scope of the utility model.
Claims (7)
1. a kind of disposable syringe, it is characterised in that: including syringe (1), push handle (2) and piston (3), the piston (3) is set
It is placed in syringe (1), one end of push handle (2) is connect with piston (3), and the other end is set to the outside of syringe (1)；The syringe
(1) outer surface at top is equipped with stop collar (4), and stop collar (4) is equipped with a radial through-hole (5), sets in radial through-hole (5)
Have pushing block (6), push rod (7) and elastic piece (8), one end of push rod (7) is connected with the one side of pushing block (6), push rod (7) it is another
End is set to the outside of radial through-hole (5), and one end of elastic piece (8) is connected with the another side of pushing block (6), and elastic piece (8)
The other end be equipped with barb (9), the elastic piece (8) is equipped with symmetrical two, and between being equipped between two elastic pieces (8)
Gap；The inner wall of the radial through-hole (5) is equipped with the retention bead (10) between pushing block (6) and barb (9), pushing block (6)
Spring (11) are also connected between retention bead (10)；The surface of the push handle (2), which is equipped with, can accommodate elastic piece (8)
Card slot (12).
2. a kind of disposable syringe according to claim 1, it is characterised in that: the card slot (12) includes being connected
Exit orifice (121) and inside groove (122), the diameter of exit orifice (121) is less than the diameter of inside groove (122), and the diameter of exit orifice (121) is less than
Maximum distance between two barbs (9), the diameter of inside groove (122) are greater than the maximum distance between two barbs (9).
3. a kind of disposable syringe according to claim 1, it is characterised in that: the bottom of the syringe (1) is equipped with note
It penetrates head (13), connector sleeve (14) is arranged on the surface of injection head (13)；It is recessed that the surface of the injection head (13) is equipped with annular
Slot (131), the inner wall of connector sleeve (14) are equipped with the protrusion (141) for being caught in annular groove (131)；The connector sleeve
(14) be equipped with the connector (15) being located at below injection head (13) in, the inner walls of the outer wall of connector (15) and connector sleeve (14) it
Between be formed with installation cavity (17)；The inner wall of the connector sleeve (14) is equipped with the internal screw thread in installation cavity (17).
4. a kind of disposable syringe according to claim 3, it is characterised in that: the connector (15) and injection head
(13) gasket seal (16) are equipped between.
5. a kind of disposable syringe according to claim 3, it is characterised in that: the top of the connector sleeve (14) and needle
Gap is equipped between the bottom of cylinder (1).
6. a kind of disposable syringe according to claim 3, it is characterised in that: the bottom of the connector (15) is in
The outside of connector sleeve (14).
7. a kind of disposable syringe according to claim 3, it is characterised in that: the connector sleeve (14) and connector
(15) it is an integral molding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821789584.5U CN209347806U (en) | 2018-10-31 | 2018-10-31 | A kind of disposable syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821789584.5U CN209347806U (en) | 2018-10-31 | 2018-10-31 | A kind of disposable syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209347806U true CN209347806U (en) | 2019-09-06 |
Family
ID=67781482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821789584.5U Active CN209347806U (en) | 2018-10-31 | 2018-10-31 | A kind of disposable syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209347806U (en) |
-
2018
- 2018-10-31 CN CN201821789584.5U patent/CN209347806U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213000, No. 28, Xia Lu, Qian Jia Industrial Park, Qian Zhen Town, Wujin District, Jiangsu, Changzhou Patentee after: Jiangsu iris Medical Technology Co.,Ltd. Address before: 213000, No. 28, Xia Lu, Qian Jia Industrial Park, Qian Zhen Town, Wujin District, Jiangsu, Changzhou Patentee before: JIANGSU AIRUISI MEDICAL TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213000 No.28 Xiahe Road, Qianjia Industrial Park, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: Jiangsu iris Medical Technology Co.,Ltd. Address before: 213000 No.28 Xiahe Road, Qianjia Industrial Park, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: Jiangsu iris Medical Technology Co.,Ltd. |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Zhongning Inventor after: He Xiaojian Inventor after: Zhou Jiuquan Inventor before: Wang Zhongning Inventor before: He Xiaojian Inventor before: Zhou Jiuquan |