CN204521826U - A kind of syringe - Google Patents
A kind of syringe Download PDFInfo
- Publication number
- CN204521826U CN204521826U CN201520003888.4U CN201520003888U CN204521826U CN 204521826 U CN204521826 U CN 204521826U CN 201520003888 U CN201520003888 U CN 201520003888U CN 204521826 U CN204521826 U CN 204521826U
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- sliding sleeve
- inner sliding
- locating slot
- needle holder
- injection
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Abstract
The utility model discloses a kind of syringe, comprising: needle holder, inner sliding sleeve and injection plug; Described needle holder is for installing injection needle; Described injection plug is oppositely arranged with described needle holder and for pushing liquid medicine to described needle holder; Described needle holder is slided nested with described inner sliding sleeve mutually; Upon injection, the described inner sliding sleeve that slides make described inner sliding sleeve and described needle holder overlapped, expose described injection needle to inject; When injecting complete, the described inner sliding sleeve that slides makes described inner sliding sleeve encase described injection needle.The syringe that this utility model provides, after injection, slides inner sliding sleeve along the direction that injection direction is identical, is wrapped in by syringe needle within inner sliding sleeve, avoids syringe needle to expose and thrust in other human bodies, cause courses of infection.
Description
Technical field
This utility model relates to technical field of medical instruments, is specifically related to a kind of syringe.
Background technology
Syringe of the prior art, after injection, the blood being injected patient is often infected with by its syringe needle.After using, if not in time syringe needle is isolated, likely syringe needle is thrust in other people body.Cause except physical injury except to other people, the blood samples of patients also likely remained because of syringe needle causes other people disease to infect.
Utility model content
This utility model provides a kind of syringe, exposes, easily stab other people technical problem to solve its syringe needle of the syringe after finishing using.
The syringe that this utility model provides, comprising: needle holder, inner sliding sleeve and injection plug;
Described needle holder is for installing injection needle; Described injection plug is oppositely arranged with described needle holder and for pushing liquid medicine to described needle holder; Described needle holder is slided nested with described inner sliding sleeve mutually; Upon injection, the described inner sliding sleeve that slides make described inner sliding sleeve and described needle holder overlapped, expose described injection needle to inject; When injecting complete, the described inner sliding sleeve that slides makes described inner sliding sleeve encase described injection needle.
Further, described needle holder is provided with the first protuberance and flexible extension; Described first protuberance is connected to the tail end of described needle holder by described flexible extension; Described inner sliding sleeve is provided with the first locating slot and the second locating slot that match with described first protuberance, and described first locating slot is positioned at the head end inwall of described inner sliding sleeve, and described second locating slot is positioned at the tail end inwall of described inner sliding sleeve.
Further, the inwall of described inner sliding sleeve is also provided with the first gathering sill extended along described inner sliding sleeve bearing of trend, and the outer wall of described needle holder is provided with the first guiding projection matched with described first gathering sill.
Further, the tail end inwall edge of described inner sliding sleeve is provided with the first inclined-plane matched with described first protuberance.
Further, the inwall of described inner sliding sleeve be also provided with match with described first protuberance first in slide wall, in described first, slide wall is positioned at the side towards described first locating slot of described second locating slot, and in described first slide wall along described second locating slot to described first locating slot direction its reduce highly gradually.
Further, the inwall of described inner sliding sleeve be also provided with match with described first protuberance the 3rd in slide wall, in the described 3rd, slide wall is positioned at the side towards described second locating slot of described first locating slot; And along described first locating slot to the direction of described second locating slot, in the described 3rd, slide wall height reduces gradually, and in described first, the angle of slide wall and described inner sliding sleeve inwall is greater than the angle of slide wall and described inner sliding sleeve inwall in the described 3rd.
Further, syringe of the present utility model also comprises: outer sliding sleeve;
Described outer sliding sleeve slides nested with described inner sliding sleeve mutually; Upon injection, slide described inner sliding sleeve and described outer sliding sleeve make described inner sliding sleeve, described outer sliding sleeve and described needle holder overlapped, expose described injection needle to inject; When injecting complete, slide described inner sliding sleeve and described outer sliding sleeve make described inner sliding sleeve and described outer sliding sleeve encase described injection needle.
Further, the head end outer wall of described inner sliding sleeve is provided with the second protuberance; Described outer sliding sleeve is provided with the 3rd locating slot and the 4th locating slot that match with described second protuberance, and described 3rd locating slot is positioned at the head end inwall of described outer sliding sleeve, and described 4th locating slot is positioned at the tail end inwall of described outer sliding sleeve.
Further, the inwall of described outer sliding sleeve is also provided with the second gathering sill extended along described outer sliding sleeve bearing of trend, and the outer wall of described inner sliding sleeve is provided with the second guiding projection matched with described second gathering sill.
Further, the tail end inwall edge of described outer sliding sleeve is provided with the second inclined-plane matched with described second protuberance.
Further, the inwall of described outer sliding sleeve be also provided with match with described second protuberance second in slide wall, in described second, slide wall is positioned at the side towards described 3rd locating slot of described 4th locating slot, and in described second slide wall along described 4th locating slot to described 3rd locating slot direction its reduce highly gradually.
Further, the inwall of described outer sliding sleeve be also provided with match with described second protuberance the 4th in slide wall, in the described 4th, slide wall is positioned at the side towards described 4th locating slot of described 3rd locating slot; And along described 3rd locating slot to the direction of described 4th locating slot, in the described 4th, slide wall height reduces gradually, and in described second, the angle of slide wall and described outer sliding sleeve inwall is greater than the angle of slide wall and described outer sliding sleeve inwall in the described 4th.
Further, syringe of the present utility model also comprises: the cock body being provided with drainage channel, and described drainage channel is made up of injection channel, tap hole and flow-guiding channel successively; In the injecting cavity of described plug body in described needle holder.
The syringe that this utility model provides, when injecting use, sliding inner sliding sleeve along the direction that needle injection is contrary, syringe needle being exposed so that inject; After injection, inner sliding sleeve is slided along the direction that needle injection is identical, syringe needle is wrapped within inner sliding sleeve, avoids syringe needle to expose and thrust in other human bodies, cause courses of infection.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in this utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings:
Fig. 1 is the structural representation of the inject state of the syringe of this utility model embodiment one;
Fig. 2 is the structural representation of state after the injection of the syringe of this utility model embodiment one;
Fig. 3 is the partial structurtes schematic diagram of the inject state of the syringe of this utility model embodiment one;
Fig. 4 is the partial structurtes schematic diagram of state after the injection of the syringe of this utility model embodiment one;
Fig. 5 is the perspective view of the needle holder of this utility model embodiment one;
Fig. 6 is the side, sectional structural representation of the needle holder of this utility model embodiment one;
Fig. 7 is the perspective view of the inner sliding sleeve of this utility model embodiment one;
Fig. 8 is the broken section structural representation of the inner sliding sleeve of this utility model embodiment one;
Fig. 9 is the side, sectional structural representation of the inner sliding sleeve of this utility model embodiment one;
Figure 10 is the perspective view of the outer sliding sleeve of this utility model embodiment one;
Figure 11 is the broken section structural representation of the outer sliding sleeve of this utility model embodiment one;
Figure 12 is the side, sectional structural representation of the outer sliding sleeve of this utility model embodiment one;
Figure 13 is the partial schematic sectional view that the needle holder of this utility model embodiment one is connected with inner sliding sleeve;
Figure 14 a-d is the side cross sectional views that the needle holder of this utility model embodiment one is connected with inner sliding sleeve;
The partial schematic sectional view that Figure 15 is the needle holder of this utility model embodiment one, inner sliding sleeve is connected with outer sliding sleeve;
The side cross sectional views that Figure 16 a-d is the needle holder of this utility model embodiment one, inner sliding sleeve is connected with outer sliding sleeve;
Figure 17 is the needle holder of this utility model embodiment one and the perspective view of cock body;
Figure 18 is the side cross sectional views of the cock body of this utility model embodiment one;
Figure 19 is the partial cutaway schematic of the inner sliding sleeve of this utility model embodiment two, outer sliding sleeve and needle holder;
Figure 20 is the inner sliding sleeve of this utility model embodiment two and the side cross sectional views of needle holder;
Figure 21 is the side cross sectional views of the inner sliding sleeve of this utility model embodiment two, outer sliding sleeve and needle holder;
Figure 22 is the partial cutaway schematic of the inner sliding sleeve of the temporary transient positioning states of this utility model embodiment two, outer sliding sleeve and needle holder;
Figure 23 is the structural representation of the syringe of this utility model embodiment three;
Description of reference numerals:
1, needle holder, the 101, first protuberance, 102, flexible extension, the 103, first guiding projection, 104, injecting cavity;
2, inner sliding sleeve, the 201, second protuberance, the 202, second locating slot, the 203, first gathering sill, the 204, second guiding projection, the 205, first hollow structure, the 206, first inclined-plane, the 207, first locating slot, slide wall in 208, first, slide wall in the 209, the 3rd;
3, outer sliding sleeve, the 301, the 3rd locating slot, the 302, the 4th locating slot, the 303, second inclined-plane, the 304, second gathering sill, the 305, second hollow structure, 306, Handheld Division, slide wall in 307, second, slide wall in the 308, the 4th;
4, injection plug;
5, injection needle;
6, cock body, 603, injection channel, 602, tap hole, 601, flow-guiding channel.
Detailed description of the invention:
For making the object of this utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is this utility model part embodiment, 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.
Fig. 1 is the structural representation of the inject state of the syringe of this utility model embodiment one, Fig. 2 is the structural representation of state after the injection of the syringe of this utility model embodiment one, Fig. 3 is the partial structurtes schematic diagram of the inject state of the syringe of this utility model embodiment one, Fig. 4 is the partial structurtes schematic diagram of state after the injection of the syringe of this utility model embodiment one, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, the syringe of this utility model embodiment one, comprising: needle holder 1, inner sliding sleeve 2, outer sliding sleeve 3, injection plug 4.Described needle holder 1 is for installing injection needle 5; Described injection plug 4 and described needle holder 1 are oppositely arranged and for pushing liquid medicine to described needle holder 1; Described inner sliding sleeve 2 and described outer sliding sleeve 3 slide nested mutually, and described needle holder 1 and described inner sliding sleeve 2 slide nested mutually; Upon injection, slide described inner sliding sleeve 2 and described outer sliding sleeve 3 make described inner sliding sleeve 2, described outer sliding sleeve 3 and described needle holder 1 overlapped, expose described injection needle 5 to inject; When injecting complete, slide described inner sliding sleeve 2 and described outer sliding sleeve 3 make described inner sliding sleeve 2 and described outer sliding sleeve 3 encase described injection needle 5.
Fig. 5 is the perspective view of the needle holder of this utility model embodiment one, and Fig. 6 is the side, sectional structural representation of the needle holder of this utility model embodiment one, and as shown in Figure 5 and Figure 6, described needle holder 1 is provided with the first protuberance 101 and flexible extension 102; Described first protuberance 101 is connected to the tail end of described needle holder 1 by described flexible extension 102.The outer wall of described needle holder 1 is provided with the first guiding projection 103 matched with the first gathering sill of inner sliding sleeve.Described needle holder 1 inside is provided with injecting cavity 104.
Fig. 7 is the perspective view of the inner sliding sleeve of this utility model embodiment one, Fig. 8 is the broken section structural representation of the inner sliding sleeve of this utility model embodiment one, Fig. 9 is the side, sectional structural representation of the inner sliding sleeve of this utility model embodiment one, as shown in Figure 7, Figure 8 and Figure 9, described inner sliding sleeve 2 is provided with the first locating slot 207 and the second locating slot 202 matched with the first protuberance 101 of needle holder 1, described first locating slot 207 is positioned at the head end inwall of described inner sliding sleeve 2, and described second locating slot 202 is positioned at the tail end inwall of described inner sliding sleeve 2.The inwall of described inner sliding sleeve 2 is also provided with the first gathering sill 203, first gathering sill 203 extended along described inner sliding sleeve 2 bearing of trend and matches with the first guiding projection 103 of needle holder 1 outer wall.The tail end inwall edge of described inner sliding sleeve 2 is provided with the first inclined-plane 206 matched with the first protuberance 101 of needle holder 1.The head end outer wall of described inner sliding sleeve 2 is also provided with the 3rd locating slot of the second protuberance 201 and the second guiding projection 204, second protuberance 201 and outer sliding sleeve 3 and the 4th locating slot matches, and the second guiding projection 204 matches with the second gathering sill of outer sliding sleeve 3.The inside of inner sliding sleeve 2 forms the first hollow structure 205.Wherein, as shown in Figure 5, the outer wall of described needle holder 1 is provided with the first guiding projection 103 matched with described first gathering sill 203.
Figure 10 is the perspective view of the outer sliding sleeve of this utility model embodiment one, Figure 11 is the broken section structural representation of the outer sliding sleeve of this utility model embodiment one, Figure 12 is the side, sectional structural representation of the outer sliding sleeve of this utility model embodiment one, as shown in Figure 10, Figure 11 and Figure 12, described outer sliding sleeve 3 is provided with the 3rd locating slot 301 and the 4th locating slot 302 that match with the second protuberance 201 of inner sliding sleeve 2, described 3rd locating slot 301 is positioned at the head end inwall of described outer sliding sleeve 3, and described 4th locating slot 302 is positioned at the tail end inwall of described outer sliding sleeve 3.The inwall of described outer sliding sleeve 3 is also provided with the second gathering sill 304, second gathering sill 304 extended along described outer sliding sleeve 3 bearing of trend and matches with the second guiding projection 204 of inner sliding sleeve.Inner Constitution second hollow structure 305 of described outer sliding sleeve 3, the outer wall of outer sliding sleeve is provided with Handheld Division 306.The tail end inwall edge of described outer sliding sleeve 3 is provided with the second inclined-plane 303 matched with described second protuberance 201.As shown in Figure 7, the outer wall of described inner sliding sleeve 2 is provided with the second guiding projection 204 matched with described second gathering sill 304, and the head end outer wall of described inner sliding sleeve 2 is provided with the second protuberance 201.
Figure 13 is the partial schematic sectional view that the needle holder of this utility model embodiment one is connected with inner sliding sleeve, Figure 14 a-d is the side cross sectional views that the needle holder of this utility model embodiment one is connected with inner sliding sleeve, as shown in Figure 13 and Figure 14 a-d, first protuberance 101 of needle holder 1 contacts with the first inclined-plane 206 of inner sliding sleeve 2, needle holder 1 is pushed the first hollow structure 205 of inner sliding sleeve 2, because flexible extension 102 has elasticity, flexible extension 102 makes the first protuberance 101 be close to center through the extruding of inner sliding sleeve 2 inwall, the first protuberance 101 is made to cross the second locating slot 202.Needle holder 1 is rotated with axial line, the first guiding projection 103 is made to enter the first gathering sill 203, needle holder 1 is continued to push inner sliding sleeve 2, the first protuberance 101 is made to enter the first locating slot 207, and then the position of fixed needle base 1 in inner sliding sleeve 2, make described inner sliding sleeve 2 overlapped with needle holder 1, be convenient to injection.
The partial schematic sectional view that Figure 15 is the needle holder of this utility model embodiment one, inner sliding sleeve is connected with outer sliding sleeve, the side cross sectional views that Figure 16 a-d is the needle holder of this utility model embodiment one, inner sliding sleeve is connected with outer sliding sleeve, as shown in Figure 15 and Figure 16 a-d, second protuberance 201 of inner sliding sleeve 2 contacts with the second inclined-plane 303 of outer sliding sleeve 3, inner sliding sleeve 2 is pushed the second hollow structure 305 of outer sliding sleeve 3, make the second protuberance 201 cross the 4th locating slot 302.Inner sliding sleeve 2 is rotated with axial line, the second guiding projection 204 is made to enter the second gathering sill 304, inner sliding sleeve 2 is continued to push outer sliding sleeve 3, the second protuberance 201 is made to enter the 3rd locating slot 301, and then the fixing position of inner sliding sleeve 2 in outer sliding sleeve 3, make needle holder 1, inner sliding sleeve 2 overlapped with outer sliding sleeve 3, expose described injection needle to inject.
When injecting complete, by needle holder 1 from pull-out in inner sliding sleeve 2, by inner sliding sleeve 2 from pull-out in outer sliding sleeve 3, the first protuberance 101 is made to enter the second locating slot 202, make the second protuberance 201 enter the 4th locating slot 302, and then the position of needle holder 1, inner sliding sleeve 2 and outer sliding sleeve 3 is fixed, injection needle is wrapped up inner sliding sleeve 2 with in outer sliding sleeve 3, avoid injection needle to expose, stab other people.
Figure 17 is the needle holder of this utility model embodiment one and the perspective view of cock body, and Figure 18 is the side cross sectional views of the cock body of this utility model embodiment one, and the syringe of this utility model embodiment also comprises: the cock body 6 being provided with drainage channel; Described cock body 6 fills in the injecting cavity 104 in described needle holder 1.Described drainage channel is made up of injection channel 603, tap hole 602 and flow-guiding channel 601 successively.During injection, inject liquid and flow through injection channel 603, tap hole 602 and flow-guiding channel 601 successively, and then be injected to human body.Cock body 6 can reduce injection liquid rate of flow of fluid and reduce liquid residue.
Figure 19 is the inner sliding sleeve of this utility model embodiment two, the partial cutaway schematic of outer sliding sleeve and needle holder, Figure 20 is the inner sliding sleeve of this utility model embodiment two and the side cross sectional views of needle holder, Figure 21 is the inner sliding sleeve of this utility model embodiment two, the side cross sectional views of outer sliding sleeve and needle holder, as Figure 19, shown in Figure 20 and Figure 21, the syringe of this utility model embodiment two is substantially identical with the syringe of embodiment one, its difference is, the inner sliding sleeve 2 of the syringe of this utility model embodiment two is also provided with slide wall 208 in first, the inwall of outer sliding sleeve 3 is also provided with slide wall 307 in second.
As shown in figure 20, particularly, the inwall of described inner sliding sleeve 2 be also provided with match with described first protuberance 101 first in slide wall 208, in described first, slide wall 208 is positioned at the side towards described first locating slot 207 of described second locating slot 202; And along described second locating slot 202 to the direction of described first locating slot 207, in first, slide wall 208 reduces highly gradually.The inwall of described inner sliding sleeve 2 be also provided with match with described first protuberance 101 the 3rd in slide wall 209, in the described 3rd, slide wall 209 is positioned at the side towards described second locating slot 202 of described first locating slot 207; And along described first locating slot 207 to the direction of described second locating slot 202, in the 3rd, slide wall 209 reduces highly gradually.And slide wall 208 and the angle of inner sliding sleeve 2 inwall are greater than the angle of slide wall 209 and inner sliding sleeve 2 inwall in the 3rd in first.
As shown in figure 21, the inwall of described outer sliding sleeve 3 be also provided with match with described second protuberance 201 second in slide wall 307, in described second, slide wall 307 is positioned at the side towards described 3rd locating slot 301 of described 4th locating slot 302; And described 4th locating slot 302 is to the direction of described 3rd locating slot 301, and in second, the height of slide wall 307 reduces gradually.The inwall of described outer sliding sleeve 3 be also provided with match with described second protuberance 201 the 4th in slide wall 308, in the described 4th, slide wall 308 is positioned at the side towards described 4th locating slot 302 of described 3rd locating slot 301; And along described 3rd locating slot 301 to the direction of described 4th locating slot 302, in the 4th, slide wall 308 reduces highly gradually.And slide wall 307 and the angle of outer sliding sleeve 3 inwall are greater than the angle of slide wall 308 and outer sliding sleeve 2 inwall in the 4th in second.
Figure 22 is the partial cutaway schematic of the inner sliding sleeve of the temporary transient positioning states of this utility model embodiment two, outer sliding sleeve and needle holder, as shown in figure 22, in first in slide wall 208 and second slide wall 307 for the temporary transient location before injecting.When medical personnel suck liquid medicine in syringe, when preparing injection, if there is unexpected situation to occur to inject in time, now syringe needle is exposed, same situation of easily stabbing other people.In this case, medical personnel can slide inner sliding sleeve 2 and outer sliding sleeve 3, the first protuberance 101 is made to be squeezed in slide wall 208 place in first, the second protuberance 201 is made to be squeezed in slide wall 307 place in second, and then temporarily fix the position of inner sliding sleeve 2 and outer sliding sleeve 3, make inner sliding sleeve 2 and outer sliding sleeve 3 jointly wrap injection needle 5, avoid injection needle 5 to expose and stab other people.And first protuberance 101 do not fall into the second locating slot 202, second protuberance 201 and do not fall into the 4th locating slot 302 yet, can not the position of thorough stuck inner sliding sleeve 2 and outer sliding sleeve 3.When medical personnel inject, only along the contrary direction slip inner sliding sleeve 2 of injection direction and outer sliding sleeve 3, injection needle 5 need be exposed, continues injection.
Figure 23 is the structural representation of the syringe of this utility model embodiment three, and as shown in figure 23, the syringe of this utility model embodiment three, comprising: needle holder 1, inner sliding sleeve 2 and injection plug 4.Needle holder 1 outside is provided with the protective sleeve 7 of protection injection needle 5.
Described needle holder 1 is for installing injection needle 5; Described injection plug 4 and described needle holder 1 are oppositely arranged and for pushing liquid medicine to described needle holder 1; Described needle holder 1 and described inner sliding sleeve 2 slide nested mutually; Upon injection, the described inner sliding sleeve 2 that slides make described inner sliding sleeve 2 and described needle holder 1 overlapped, expose described injection needle 5 to inject; When injecting complete, the described inner sliding sleeve 2 that slides makes described inner sliding sleeve 2 encase described injection needle 5.The syringe of this utility model embodiment three can adopt the cock body shown in the inner sliding sleeve shown in the needle holder shown in this utility model Fig. 5 to Fig. 6, Fig. 7 to Fig. 9 and Figure 17 to Figure 18.Wherein, inner sliding sleeve also can be provided with slide wall in first shown in Figure 19 to Figure 20.
The syringe of this utility model embodiment three is mainly used in the shorter injection needle of length 5, just can wrap the shorter injection needle of length 5 completely by means of only inner sliding sleeve 2, does not need to arrange outer sliding sleeve in addition, and structure is more simple and save material.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of this utility model.
Claims (13)
1. a syringe, is characterized in that, comprising: needle holder, inner sliding sleeve and injection plug;
Described needle holder is for installing injection needle; Described injection plug is oppositely arranged with described needle holder and for pushing liquid medicine to described needle holder; Described needle holder is slided nested with described inner sliding sleeve mutually; Upon injection, the described inner sliding sleeve that slides make described inner sliding sleeve and described needle holder overlapped, expose described injection needle to inject; When injecting complete, the described inner sliding sleeve that slides makes described inner sliding sleeve encase described injection needle.
2. syringe according to claim 1, is characterized in that, described needle holder is provided with the first protuberance and flexible extension; Described first protuberance is connected to the tail end of described needle holder by described flexible extension; Described inner sliding sleeve is provided with the first locating slot and the second locating slot that match with described first protuberance, and described first locating slot is positioned at the head end inwall of described inner sliding sleeve, and described second locating slot is positioned at the tail end inwall of described inner sliding sleeve.
3. syringe according to claim 2, is characterized in that, the inwall of described inner sliding sleeve is also provided with the first gathering sill extended along described inner sliding sleeve bearing of trend, and the outer wall of described needle holder is provided with the first guiding projection matched with described first gathering sill.
4. syringe according to claim 3, is characterized in that, the tail end inwall edge of described inner sliding sleeve is provided with the first inclined-plane matched with described first protuberance.
5. syringe according to claim 3, it is characterized in that, the inwall of described inner sliding sleeve be also provided with match with described first protuberance first in slide wall, in described first, slide wall is positioned at the side towards described first locating slot of described second locating slot, and in described first slide wall along described second locating slot to described first locating slot direction its reduce highly gradually.
6. syringe according to claim 5, is characterized in that, the inwall of described inner sliding sleeve be also provided with match with described first protuberance the 3rd in slide wall, in the described 3rd, slide wall is positioned at the side towards described second locating slot of described first locating slot; And along described first locating slot to the direction of described second locating slot, in the described 3rd, slide wall height reduces gradually, and in described first, the angle of slide wall and described inner sliding sleeve inwall is greater than the angle of slide wall and described inner sliding sleeve inwall in the described 3rd.
7. syringe according to claim 1, is characterized in that, also comprises: outer sliding sleeve;
Described outer sliding sleeve slides nested with described inner sliding sleeve mutually; Upon injection, slide described inner sliding sleeve and described outer sliding sleeve make described inner sliding sleeve, described outer sliding sleeve and described needle holder overlapped, expose described injection needle to inject; When injecting complete, slide described inner sliding sleeve and described outer sliding sleeve make described inner sliding sleeve and described outer sliding sleeve encase described injection needle.
8. syringe according to claim 7, is characterized in that, the head end outer wall of described inner sliding sleeve is provided with the second protuberance; Described outer sliding sleeve is provided with the 3rd locating slot and the 4th locating slot that match with described second protuberance, and described 3rd locating slot is positioned at the head end inwall of described outer sliding sleeve, and described 4th locating slot is positioned at the tail end inwall of described outer sliding sleeve.
9. syringe according to claim 8, is characterized in that, the inwall of described outer sliding sleeve is also provided with the second gathering sill extended along described outer sliding sleeve bearing of trend, and the outer wall of described inner sliding sleeve is provided with the second guiding projection matched with described second gathering sill.
10. syringe according to claim 9, is characterized in that, the tail end inwall edge of described outer sliding sleeve is provided with the second inclined-plane matched with described second protuberance.
11. syringes according to claim 9, it is characterized in that, the inwall of described outer sliding sleeve be also provided with match with described second protuberance second in slide wall, in described second, slide wall is positioned at the side towards described 3rd locating slot of described 4th locating slot, and in described second slide wall along described 4th locating slot to described 3rd locating slot direction its reduce highly gradually.
12. syringes according to claim 11, is characterized in that, the inwall of described outer sliding sleeve be also provided with match with described second protuberance the 4th in slide wall, in the described 4th, slide wall is positioned at the side towards described 4th locating slot of described 3rd locating slot; And along described 3rd locating slot to the direction of described 4th locating slot, in the described 4th, slide wall height reduces gradually, and in described second, the angle of slide wall and described outer sliding sleeve inwall is greater than the angle of slide wall and described outer sliding sleeve inwall in the described 4th.
13. syringes according to claim 1-12 any one, it is characterized in that, also comprise: the cock body being provided with drainage channel, described drainage channel is made up of injection channel, tap hole and flow-guiding channel successively; In the injecting cavity of described plug body in described needle holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520003888.4U CN204521826U (en) | 2015-01-05 | 2015-01-05 | A kind of syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520003888.4U CN204521826U (en) | 2015-01-05 | 2015-01-05 | A kind of syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204521826U true CN204521826U (en) | 2015-08-05 |
Family
ID=53735891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520003888.4U Active CN204521826U (en) | 2015-01-05 | 2015-01-05 | A kind of syringe |
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| Country | Link |
|---|---|
| CN (1) | CN204521826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104906662A (en) * | 2015-01-05 | 2015-09-16 | 名高医疗器械（昆山）有限公司 | Injector |
-
2015
- 2015-01-05 CN CN201520003888.4U patent/CN204521826U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104906662A (en) * | 2015-01-05 | 2015-09-16 | 名高医疗器械（昆山）有限公司 | Injector |
| WO2016109989A1 (en) * | 2015-01-05 | 2016-07-14 | 名高医疗器械（昆山）有限公司 | Syringe |
| JP2018501006A (en) * | 2015-01-05 | 2018-01-18 | ミンガオ メディテック （クンシャン） カンパニー リミテッド | Syringe |
| CN104906662B (en) * | 2015-01-05 | 2019-03-12 | 名高医疗器械（昆山）有限公司 | A kind of syringe |
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