CN213374409U - Disposable safety filtering syringe needle - Google Patents
Disposable safety filtering syringe needle Download PDFInfo
- Publication number
- CN213374409U CN213374409U CN202020228838.7U CN202020228838U CN213374409U CN 213374409 U CN213374409 U CN 213374409U CN 202020228838 U CN202020228838 U CN 202020228838U CN 213374409 U CN213374409 U CN 213374409U
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- China
- Prior art keywords
- needle
- connecting seat
- fixedly connected
- outer ring
- sheet
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- Expired - Fee Related
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Abstract
The utility model discloses a disposable safe filtering injection needle, which comprises a connecting seat, a needle head, a clamping sheet, a needle protecting cylinder, a filter sheet and a connecting head, the upper end of the connecting seat is provided with an installation groove, the center of the installation groove is provided with a liquid outlet hole, the outer ring of the installation groove positioned at the liquid outlet hole is fixedly connected with a sealing gasket, the center of the bottom end of the connecting seat is fixedly connected with a needle head, the central hole of the needle head is communicated with the liquid outlet hole, a plurality of clamping pieces are uniformly and fixedly connected on the outer ring at the lower part of the connecting seat, a needle protection cylinder is fixedly clamped on the outer ring of the clamping pieces, the needle head is positioned in the needle protection cylinder, the bottom end of the mounting groove is provided with a filter disc, the center of the filter disc is integrally provided with a bounce disc, the mounting groove upper end fixedly connected with connector, connector bottom an organic whole is equipped with compresses tightly the platform, compress tightly a fixed connection in the mounting groove. The utility model has the advantages of simple and reasonable structure, it is good to liquid medicine filter effect, the cost of manufacture is low, and the practicality is strong.
Description
Technical Field
The utility model relates to a syringe needle specifically relates to a disposable safety filter syringe needle.
Background
The disposable injection needle used at present is directly communicated with an injection tube for containing liquid medicine through a central hole of a needle head, and is not provided with a filtering device, so that when the disposable injection needle is used for injection, large impurities in the liquid medicine can be injected into the body of an injected person, and health of the injected person is not facilitated, and therefore the disposable safe filtering injection needle is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a disposable safety filter syringe needle is provided, solved and to have not filter equipment between current syringe needle and the injection tube, great debris will be injected into by the injection person's health in the liquid medicine, can bring healthy unfavorable problem to by injection person's health.
In order to solve the technical problem, the utility model provides a following technical scheme: a disposable safe filtering injection needle comprises a connecting seat, a needle head, clamping pieces, a needle protection barrel, a filter plate and a connecting head, wherein the upper end of the connecting seat is provided with an installation groove, the center of the installation groove is provided with a liquid outlet, the installation groove is positioned on the outer ring of the liquid outlet and fixedly connected with a sealing gasket, the center of the bottom end of the connecting seat is fixedly connected with the needle head, the center hole of the needle head is communicated with the liquid outlet, the outer ring of the lower part of the connecting seat is uniformly and fixedly connected with a plurality of clamping pieces, the outer rings of the clamping pieces are fixedly clamped with the needle protection barrel, the needle head is positioned in the needle protection barrel, the bottom end of the installation groove is provided with the filter plate, the center of the filter plate is integrally provided with a bouncing piece, the upper end of the installation groove is fixedly connected with the connecting head, the bottom end of the connecting, the connector middle part is run through and is equipped with the round hole, the integrative fixedly connected with cross backing sheet in round hole bottom.
On the basis of the scheme, the maximum outer ring of the connecting seat is provided with anti-skid grains.
On the basis of the scheme, the outer ring of the needle protection cylinder is provided with anti-skid grains.
On the basis of the scheme, the outer ring of the filter disc, which is positioned on the upspring piece, is provided with an arc-shaped through groove.
On the basis of the scheme, the diameter of the inner hole of the compression table is larger than the overall dimension of the bouncing sheet, a distance is arranged between the bottom end of the cross supporting sheet and the bouncing sheet, the outer diameter of the sealing pad is smaller than the overall dimension of the bouncing sheet, and an external thread is arranged at the upper end of the outer ring of the connector.
Compared with the prior art, the utility model beneficial effect who has is: disposable safety filter syringe needle adopts new structure, has set up filtration on syringe needle, can filter the debris in the liquid medicine at the injection in-process, avoids the debris in the liquid medicine to inject in by the person's of injection health, has improved the security of liquid medicine injection, the utility model has the advantages of simple and reasonable structure, good to the liquid medicine filter effect, the cost of manufacture is low, and the practicality is strong.
Drawings
FIG. 1 is a schematic view of the disposable safety filter injection needle of the present invention;
FIG. 2 is an exploded view of one side of the disposable safety filter needle of the present invention;
FIG. 3 is an exploded view of the other side of the disposable safety filter needle of the present invention;
FIG. 4 is a schematic view of a partial structure of the connecting seat of the disposable safety filtering syringe needle of the present invention;
FIG. 5 is a schematic view of the filter structure of the disposable safety filtration syringe needle of the present invention;
fig. 6 is a schematic view of the connector structure of the disposable safety filtration syringe needle of the present invention.
The reference numbers in the figures are: 1-connecting seat, 101-mounting groove, 102-liquid outlet hole, 2-needle head, 3-clamping sheet, 4-needle protective cylinder, 5-filter sheet, 501-bounce sheet, 502-through groove, 6-connecting head, 601-pressing table, 602-round hole, 603-cross support sheet, 604-external thread and 7-sealing pad.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1 to 6, it can be known that the disposable safety filtration injection needle comprises a connecting seat 1, a needle head 2, clamping sheets 3, a needle protection cylinder 4, a filter sheet 5 and a connecting head 6, wherein an installation groove 101 is formed in the upper end of the connecting seat 1, a liquid outlet hole 102 is formed in the center of the installation groove 101, a sealing gasket 7 is fixedly connected to the outer ring of the liquid outlet hole 102 of the installation groove 101, the needle head 2 is fixedly connected to the center of the bottom end of the connecting seat 1, the center hole of the needle head 2 is communicated with the liquid outlet hole 102 to facilitate liquid circulation, a plurality of clamping sheets 3 are uniformly and fixedly connected to the outer ring of the lower portion of the connecting seat 1, the needle protection cylinder 4 is fixedly clamped to the outer ring of the plurality of clamping sheets 3, the needle protection cylinder 4 is fixed to the outer ring of the plurality of clamping sheets 3 to facilitate fixing and dismounting, the needle head 2 is positioned in the needle protection cylinder 4 to protect the, 5 central an organic whole of cassette is equipped with bounce piece 501, is equipped with the filtration pore on bounce piece 501, can filter liquid medicine, mounting groove 101 upper end fixedly connected with connector 6, 6 bottom an organic whole of connector are equipped with and compress tightly platform 601, compress tightly platform 601 fixed connection in mounting groove 101 to compress tightly platform 601 and compress tightly on 5 rings of cassette, compress tightly platform 601 and can not compress tightly on bounce piece 501, can not hinder bounce piece 501 to bounce, 6 middle parts of connector run through and are equipped with round hole 602, the integrative fixedly connected with cross backing sheet 603 in round hole 602 bottom.
The largest outer ring of the connecting seat 1 is provided with anti-skid grains, so that the connecting seat is convenient to play a role of skid resistance when an injection needle is installed; the outer ring of the needle protection cylinder 4 is provided with anti-skid lines, so that the needle protection cylinder 4 is convenient to install and disassemble and plays a role in skid resistance; an arc-shaped through groove 502 is formed in the outer ring of the filter 5 positioned on the bouncing sheet 501, so that the bouncing sheet 501 can bounce conveniently; the diameter of the inner hole of the pressing table 601 is larger than the overall dimension of the bouncing sheet 501, so that the bouncing sheet 501 can be bounced conveniently, a space is formed between the bottom end of the cross supporting sheet 603 and the bouncing sheet 501, the bouncing sheet 501 has a bouncing space, the outer diameter of the sealing gasket 7 is smaller than the overall dimension of the bouncing sheet 501, and liquid medicine can be ensured to leak out of the liquid outlet hole 102 only from the filtering hole of the bouncing sheet 501; the upper end of the outer ring of the connector 6 is provided with an external thread 604, and the external thread 604 is convenient for the connector 6 to be connected with an injection cylinder.
The utility model discloses a principle and advantage: a disposable safety filtering injection needle is characterized in that when in use, the whole injection needle is fixedly connected to an injection tube filled with liquid medicine through a round hole 602 and an external thread 604 on a connector 6 (the structure of the injection tube is a conventional product which can be clearly known by a person skilled in the art, and the detailed description is omitted under the condition that the structure of the injection tube is not influenced), when the injection tube sucks the liquid medicine, the liquid medicine enters the injection tube from a central hole of a needle head 2, a liquid outlet hole 102, a gap formed after a bounce sheet 501 bounces, a gap of a cross support sheet 602 and the round hole 602, and the bounce sheet 501 bounces under the suction pressure of the liquid medicine, so that the liquid medicine enters the injection tube without being filtered, when the liquid medicine in the injection tube is sucked and pushed out, the liquid medicine can be discharged from the round hole 602, the gap of the cross support sheet 603 and the filtering hole of the bounce sheet 501, Go out liquid hole 102, the centre bore of syringe needle 2 enters into in the health by the injection person, in the injection process, bounce piece 501 covers on sealed pad 7 under the pressure that liquid medicine released, liquid medicine can only enter into out liquid hole 102 in the filtration pore of bouncing on piece 501, therefore, debris in the liquid medicine can be filtered by bounce piece 501, can not be injected in by the injection person's the health, the security of liquid medicine injection has been guaranteed, and the utility model has the advantages of simple and reasonable structure, good to the filter effect of liquid medicine, the cost of manufacture is low, and is suitable for being generalized to use.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. Disposable safety filter syringe needle, including connecting seat (1), syringe needle (2), chucking piece (3), needle protection section of thick bamboo (4), cassette (5) and connector (6), its characterized in that: the connecting seat is characterized in that an installation groove (101) is formed in the upper end of the connecting seat (1), a liquid outlet hole (102) is formed in the center of the installation groove (101), the installation groove (101) is located on an outer ring fixedly connected with sealing gasket (7) of the liquid outlet hole (102), a needle (2) is fixedly connected to the center of the bottom end of the connecting seat (1), a center hole of the needle (2) is communicated with the liquid outlet hole (102), a plurality of clamping pieces (3) are uniformly and fixedly connected to the outer ring of the lower portion of the connecting seat (1), a needle protection barrel (4) is fixedly installed on the outer ring of the plurality of clamping pieces (3), the needle (2) is located in the needle protection barrel (4), a filter plate (5) is installed at the bottom end of the installation groove (101), a bouncing piece (501) is integrally arranged at the center of the filter plate (5), a connector (6) is fixedly connected to the upper end of the, compress tightly platform (601) fixed connection in mounting groove (101) to compress tightly platform (601) and compress tightly on cassette (5) outer lane, connector (6) middle part is run through and is equipped with round hole (602), round hole (602) bottom an organic whole fixedly connected with cross support piece (603).
2. A disposable safety-filtering syringe needle according to claim 1, characterized in that the largest outer circle of the connecting seat (1) is provided with anti-skid veins.
3. A single-use safety-filtered injection needle according to claim 1, characterized in that the needle guard cartridge (4) is provided with anti-slip threads on its outer circumference.
4. A single-use safety-filtered injection needle according to claim 1, characterized in that the filter (5) is provided with an arc-shaped through slot (502) at the outer circumference of the bounce sheet (501).
5. A disposable safety-filtering syringe needle according to claim 1, wherein the diameter of the inner hole of the pressing platform (601) is larger than the dimension of the bouncing sheet (501), a space is provided between the bottom end of the cross supporting sheet (603) and the bouncing sheet (501), the outer diameter of the sealing gasket (7) is smaller than the dimension of the bouncing sheet (501), and the upper end of the outer ring of the connecting head (6) is provided with an external thread (604).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020228838.7U CN213374409U (en) | 2020-02-29 | 2020-02-29 | Disposable safety filtering syringe needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020228838.7U CN213374409U (en) | 2020-02-29 | 2020-02-29 | Disposable safety filtering syringe needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213374409U true CN213374409U (en) | 2021-06-08 |
Family
ID=76176940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020228838.7U Expired - Fee Related CN213374409U (en) | 2020-02-29 | 2020-02-29 | Disposable safety filtering syringe needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213374409U (en) |
-
2020
- 2020-02-29 CN CN202020228838.7U patent/CN213374409U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |