CN213407294U - Needle-concealed syringe - Google Patents
Needle-concealed syringe Download PDFInfo
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- CN213407294U CN213407294U CN202020675610.2U CN202020675610U CN213407294U CN 213407294 U CN213407294 U CN 213407294U CN 202020675610 U CN202020675610 U CN 202020675610U CN 213407294 U CN213407294 U CN 213407294U
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- needle
- syringe
- concealed
- injector
- movable piece
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Abstract
The utility model discloses a hidden needle type syringe, include: the syringe comprises a syringe body, wherein a needle head is arranged on the end face of one end of the syringe body, and a first limiting part is arranged on the peripheral surface of one end of the syringe body; the movable piece is internally limited with an accommodating cavity with an opening at one end, the movable piece is movably sleeved at one end of the injector between a first position and a second position, the other end of the movable piece is provided with a first through hole which is communicated with the accommodating cavity and corresponds to the position of the needle head, when the movable piece is positioned at the first position, the needle head is positioned in the accommodating cavity, and when the movable piece is positioned at the second position, the needle head extends out of the accommodating cavity from the first through hole; the needle cap passes through the first through hole and is detachably arranged on the needle head. The concealed needle type injector can realize concealed needle injection and has the advantages of simple structure, convenient use, safety, sanitation and the like.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to hidden needle type syringe.
Background
Most syringes at present use disposable syringe needle, before the injection with the injection after, the syringe needle exposes, not only causes the syringe needle to pollute, still can cause the accidental injury and increase the fear for the patient, in addition, the hidden needle device structure of current syringe is complicated, and when using with disposable syringe needle cooperation, the installation is inconvenient with the dismantlement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
In view of this, the utility model provides a hidden needle type syringe, this hidden needle type syringe can directly take off the needle cap when using and inject, and the syringe needle is hidden needle type before the injection and when injecting all, has advantages such as simple structure, convenient to use and safety and sanitation.
According to the utility model discloses latent needle type syringe, include: the syringe comprises a syringe body, wherein a needle head is arranged on the end face of one end of the syringe body, and a first limiting part is arranged on the peripheral surface of one end of the syringe body; the movable piece is internally limited with an accommodating cavity with an opening at one end, the movable piece is movably sleeved at one end of the syringe body between a first position and a second position, the other end of the movable piece is provided with a first through hole which is communicated with the accommodating cavity and corresponds to the position of the needle head, the needle head is positioned in the accommodating cavity when the movable piece is positioned at the first position, and the needle head extends out of the accommodating cavity from the first through hole when the movable piece is positioned at the second position; the needle cap penetrates through the first through hole and is detachably arranged on the needle head.
According to the utility model discloses hidden needle type syringe adopts the body, the structure that moving part and needle cap combined together, through be equipped with first spacing portion on the syringe body, the moving part cover is established in the one end that the syringe body is equipped with first spacing portion, the needle cap is established on the syringe needle, when not using, the syringe needle is located the moving part, the needle cap cover is established on the syringe needle, when using, can take off the needle cap and inject, the syringe needle can be followed and stretch out in the moving part to can realize hidden needle's effect, have simple structure, convenient to use and advantages such as safety and sanitation.
The concealed needle type injector according to the embodiment of the present invention may further have the following additional technical features:
according to an embodiment of the utility model, first spacing portion forms to follow the annular boss that the outer peripheral face of syringe body extends, first spacing portion with the moving part cooperation is in order to restrict the home range of moving part.
According to the utility model discloses an embodiment, the one end of moving part be equipped with the spacing portion of first spacing portion complex second, the spacing portion of second is in the moving part is located end when the first position is supported first spacing portion.
According to an embodiment of the present invention, the second limit portion is formed as an annular boss extending along the inner peripheral surface of the movable member, and an inner diameter of the second limit portion is smaller than an outer diameter of the first limit portion.
According to an embodiment of the present invention, the concealed needle type injector further comprises: the elastic piece is arranged between one end of the injector body and the other end of the movable piece, and two ends of the elastic piece respectively abut against the injector body and the movable piece.
According to an embodiment of the invention, the elastic member is formed as a spring sleeved on the needle cap.
According to an embodiment of the present invention, the end face of the syringe body is provided with an annular groove extending along the circumferential direction thereof, and one end of the elastic member is inserted into the groove.
According to an embodiment of the invention, the aperture of the first through hole is larger than the outer diameter of the needle cap.
According to an embodiment of the present invention, the movable member is located in the first position and extends out of the first through hole.
According to an embodiment of the present invention, the first position-limiting portion and the syringe body are integrally formed.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a partial cross-sectional view of a concealed needle injector according to an embodiment of the present invention.
Reference numerals:
a concealed needle type syringe 100;
an injector body 10; a needle 11; a first stopper portion 12; a groove 14;
a movable member 20; the accommodation chamber 21; a first through hole 22; a second stopper portion 23;
a needle cap 30;
an elastic member 40.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience of description and simplicity of description, and are not intended to indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The concealed needle type syringe 100 according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.
The concealed needle type syringe 100 according to the embodiment of the present invention includes a syringe body 10, a movable member 20, and a needle cap 30.
Specifically, the one end terminal surface of syringe body 10 is equipped with syringe needle 11, the outer peripheral face of the one end of syringe body 10 is equipped with first spacing portion 12, it has the open-ended chamber 21 that holds to inject in the moving part 20, the moving part 20 is movably the cover between primary importance and the second place and is established in the one end of syringe body 10, the other end of moving part 20 is equipped with and holds the chamber 21 intercommunication and with the corresponding first through-hole 22 in the position of syringe needle 11, when moving part 20 is located the primary importance, syringe needle 11 is located and holds the chamber 21, when moving part 20 is located the second place, syringe needle 11 stretches out from first through-hole 22 and holds chamber 21, needle cap 30 passes first through-hole 22 detachably and establishes on syringe needle 11.
In other words, according to the utility model discloses an it is mainly by syringe body 10 that hidden needle type syringe 100 is according to the embodiment of the utility model, moving part 20 and needle cap 30 constitute, syringe needle 11 is established on the terminal surface of the one end of syringe body 10, be equipped with first spacing portion 12 on the outer peripheral face of the one end that is equipped with syringe needle 11 on syringe body 10, it has the open chamber 21 that holds of one end to inject in the moving part 20, moving part 20 cover is established and is equipped with the one end of first spacing portion 12 on syringe body 10, moving part 20 can follow syringe body 10 and move about between first position and second position, when the other end of moving part 20 is located the first position, syringe needle 11 can be located and hold the chamber 21, when moving part 20 is located the second position, syringe needle 11 can stretch out from first through-hole 22 and hold the chamber, needle cap 30 can pass first.
From this, according to the utility model discloses hidden needle type syringe 100 adopts syringe body 10, the structure that moving part 20 and needle cap 30 combined together, through be equipped with first spacing portion 12 on syringe body 10, moving part 20 cover is established in the one end that syringe body 10 was equipped with first spacing portion 12, needle cap 30 is established on syringe needle 11, when not using, syringe needle 11 is located moving part 20, needle cap 30 cover is established on syringe needle 11, when using, can take off needle cap 30 and inject, syringe needle 11 can follow and stretch out in the moving part 20, thereby can realize hidden needle's effect, and the needle-type syringe has simple structure, high durability and convenient use and safety and sanitation.
According to an embodiment of the present invention, the first position-limiting portion 12 can be formed as an annular boss extending along the outer peripheral surface of the syringe body 10, and the first position-limiting portion 12 cooperates with the moving member 20 to limit the moving range of the moving member 20, which is simple in structure and convenient to use.
According to the utility model discloses an embodiment, the one end of moving part 20 can be equipped with the spacing portion 23 of first spacing portion 12 complex second, and the spacing portion 23 of second ends to first spacing portion 12 when moving part 20 is located the first position, can restrict moving part 20 towards the active position of syringe needle 11 direction, and the syringe needle 11 of being convenient for is located moving part 20 when not using and plays the effect of latent needle.
Optionally, the second limiting portion 23 is formed as an annular boss extending along the inner peripheral surface of the moving member 20, the inner diameter of the second limiting portion 23 is smaller than the outer diameter of the first limiting portion 12, the first limiting portion 12 can extend into the second limiting portion 23 and is not easy to disengage from the second limiting portion 23, the moving member 20 is conveniently limited to move towards the needle 11, and the structure is simple to install and convenient to use.
According to an embodiment of the present invention, the concealed needle type syringe 100 may further include an elastic member 40, the elastic member 40 may be disposed between one end of the syringe body 10 and the other end of the moving member 20, both ends of the elastic member 40 respectively abut against the syringe body 10 and the moving member 20, the needle 11 is not used, the elastic member 40 may limit the movement of the moving member 20 along one end of the syringe body 10 away from the needle 11, the needle 11 may be located in the moving member 20, the needle 11 is used, the moving member 20 contacts with the skin of the person to be injected and is squeezed, the elastic member 40 is compressed, the moving member 20 may move along the direction of the syringe body 10 away from the needle 11, the needle 11 may extend out of the first through hole 22 and extend into the skin of the person to be injected, thereby playing the concealed needle effect when injecting.
Alternatively, the elastic member 40 may be formed as a spring sleeved on the needle cap 30, and has the characteristics of simple structure, convenient installation, convenient use, and the like.
In some embodiments of the present invention, an annular groove 14 extending along the circumferential direction of the syringe body 10 can be disposed on an end face of the syringe body 10, one end of the elastic member 40 is inserted into the groove 14, the elastic member 40 is fixed in the movable member 20, the stability of the movement of the movable member 20 can be improved, and the injection safety can be improved.
According to an embodiment of the present invention, the aperture of the first through hole 22 may be larger than the outer diameter of the needle cap 30, and the needle cap 30 may be inserted into the first through hole 22, so as to facilitate the installation and removal of the needle cap 30.
Alternatively, one end of the needle cap 30 may extend through the first through-hole 22 when the moveable member 20 is in the first position to facilitate removal of the needle cap 30 from the moveable member 20 during use of the needle 11.
Preferably, the first limiting part 12 and the injector body 10 can be integrally formed, so that the production efficiency can be improved, and the production cost can be saved.
In summary, according to the utility model discloses an according to the hidden needle type syringe 100 of the embodiment of the utility model, adopt the structure that syringe body 10, moving part 20 and needle cap 30 combined together, through be equipped with first spacing portion 12 on syringe body 10, moving part 20 cover is established in the one end that syringe body 10 was equipped with first spacing portion 12, needle cap 30 is established on syringe needle 11, when not using, syringe needle 11 is located moving part 20, needle cap 30 cover is established on syringe needle 11, when using, can take off needle cap 30 and inject, syringe needle 11 can stretch out from moving part 20 to can realize the effect of hidden needle, have advantages such as simple structure, convenient to use and safety and sanitation.
In the description herein, references to the description of "one embodiment," "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A hidden needle injector, comprising:
the syringe comprises a syringe body, wherein a needle head is arranged on the end face of one end of the syringe body, and a first limiting part is arranged on the peripheral surface of one end of the syringe body;
the movable piece is internally limited with an accommodating cavity with an opening at one end, the movable piece is movably sleeved at one end of the syringe body between a first position and a second position, the other end of the movable piece is provided with a first through hole which is communicated with the accommodating cavity and corresponds to the position of the needle head, the needle head is positioned in the accommodating cavity when the movable piece is positioned at the first position, and the needle head extends out of the accommodating cavity from the first through hole when the movable piece is positioned at the second position;
the needle cap penetrates through the first through hole and is detachably arranged on the needle head.
2. The concealed needle type injector according to claim 1, wherein the first limiting portion is formed as an annular boss extending along an outer peripheral surface of the injector body, and the first limiting portion cooperates with the movable member to limit a movable range of the movable member.
3. The concealed needle type syringe according to claim 1 or 2, wherein a second limiting portion that is engaged with the first limiting portion is provided at one end of the movable member, and the second limiting portion abuts against the first limiting portion when the movable member is located at the first position.
4. The concealed needle type injector according to claim 3, wherein the second stopper portion is formed as an annular boss extending along an inner peripheral surface of the movable member, and an inner diameter of the second stopper portion is smaller than an outer diameter of the first stopper portion.
5. The retracting needle injector of claim 1, further comprising:
the elastic piece is arranged between one end of the injector body and the other end of the movable piece, and two ends of the elastic piece respectively abut against the injector body and the movable piece.
6. The concealed needle injector of claim 5, wherein the resilient member is formed as a spring that fits over the needle cap.
7. The concealed needle type syringe according to claim 6, wherein an end face of the syringe body is provided with an annular groove extending along a circumferential direction thereof, and one end of the elastic member is inserted into the groove.
8. The concealed needle injector according to claim 1, wherein the first through hole has a bore diameter larger than an outer diameter of the needle cap.
9. The needle-concealed syringe according to claim 1, wherein an end of the needle cap extends out of the first through-hole when the movable member is in the first position.
10. The concealed needle injector according to claim 1, wherein the first limiting portion is integrally formed with the injector body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020675610.2U CN213407294U (en) | 2020-04-28 | 2020-04-28 | Needle-concealed syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020675610.2U CN213407294U (en) | 2020-04-28 | 2020-04-28 | Needle-concealed syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213407294U true CN213407294U (en) | 2021-06-11 |
Family
ID=76223130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020675610.2U Active CN213407294U (en) | 2020-04-28 | 2020-04-28 | Needle-concealed syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213407294U (en) |
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2020
- 2020-04-28 CN CN202020675610.2U patent/CN213407294U/en active Active
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