CN213852035U - Dispensing needle - Google Patents
Dispensing needle Download PDFInfo
- Publication number
- CN213852035U CN213852035U CN202022637101.3U CN202022637101U CN213852035U CN 213852035 U CN213852035 U CN 213852035U CN 202022637101 U CN202022637101 U CN 202022637101U CN 213852035 U CN213852035 U CN 213852035U
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- CN
- China
- Prior art keywords
- injection shell
- ring
- push plate
- hollow injection
- fixedly arranged
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- 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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Abstract
The utility model relates to a dispensing needle, its characterized in that: including syringe and the fixed syringe needle that sets up at the syringe output, the beneficial effects of the utility model reside in that: place the ring and place the ring on the right side through setting up a left side, make things convenient for the fixed of forefinger and middle finger, when the liquid medicine that will be located the cavity injection casing is released, place the ring and place the intra-annular on the right side at the left side respectively with the forefinger and the middle finger of same hand, then press the push pedal with the thumb, the liquid medicine that conveniently will be located the cavity injection casing is released, when the imbibition liquid medicine, release the air in the cavity injection casing earlier, then insert the syringe needle in the medicine bottle, loosen the push pedal, elasticity through the spring drives push pedal and piston and keeps away from the syringe needle, the convenience is inhaled the liquid medicine.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to dispensing needle.
Background
The prior art of the medicine dispensing injector for pharmacy has the following problems: the lower end of a push rod of the existing dispensing syringe is generally flat, so that the dispensing syringe is very convenient to push out liquid medicine in the syringe, is inconvenient to suck the liquid medicine into the syringe, needs two hands to operate simultaneously, holds an injection shell by one hand, and pulls a push plate by the other hand.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a following technical scheme: a dispensing needle characterized by: comprises an injector and a needle head fixedly arranged at the output end of the injector, the injector comprises a hollow injection shell, a movable rod movably arranged in the hollow injection shell, a push plate fixedly arranged on the movable rod and a piston fixedly arranged below the movable rod, the piston is movably arranged in the hollow injection shell, the push plate is positioned at the outer side of the hollow injection shell, a left placing ring and a right placing ring are fixedly arranged on the circumferential outer surface of the hollow injection shell, a mounting ring is fixedly arranged on the outer surface of the hollow injection shell, the push plate is connected with the mounting ring through a group of springs, the push plate is connected with the hollow injection shell through a guide component, the guide component comprises a guide groove arranged on the hollow direct injection shell and a guide rod fixedly arranged below the push plate, the guide rod is movably arranged in the guide groove, and the guide rod is connected with the hollow injection shell through a limiting assembly.
The utility model discloses further setting up to: the limiting assembly comprises a limiting plate fixedly arranged in a guide groove and a limiting block fixedly arranged below the guide rod, the limiting plate is fixedly connected with the hollow injection shell, a movable hole is formed in the limiting plate, the guide rod is movably arranged in the movable hole, the limiting block is movably arranged in the guide groove, the limiting block is located below the limiting plate, and the radius of the limiting block is larger than that of the movable hole.
The utility model discloses further setting up to: the lower extreme of syringe needle is the opening setting, the trompil has been seted up to one side of syringe needle.
The utility model discloses further setting up to: the mounting ring is positioned at the upper ends of the left placing ring and the right placing ring.
The utility model discloses further setting up to: the piston is at least provided with two rings of ring grooves, and the ring grooves are internally provided with sealing rings fixedly sleeved on the piston.
The utility model discloses further setting up to: an arc-shaped groove is formed in the push plate.
The utility model discloses further setting up to: the arc-shaped groove is at least provided with two anti-slip strips, and the anti-slip strips and the push plate are integrally formed.
The beneficial effects of the utility model reside in that: place the ring and place the ring on the right side through setting up a left side, make things convenient for the fixed of forefinger and middle finger, when the liquid medicine that will be located the cavity injection casing is released, place the ring and place the intra-annular on the right side at the left side respectively with the forefinger and the middle finger of same hand, then press the push pedal with the thumb, the liquid medicine that conveniently will be located the cavity injection casing is released, when the imbibition liquid medicine, release the air in the cavity injection casing earlier, then insert the syringe needle in the medicine bottle, loosen the push pedal, elasticity through the spring drives push pedal and piston and keeps away from the syringe needle, the convenience is inhaled the liquid.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of a in fig. 1.
Detailed Description
According to fig. 1-2, the present embodiment discloses a dispensing needle, which comprises a syringe 1 and a needle 2 fixedly arranged at the output end of the syringe 1, wherein the syringe 1 comprises a hollow injection shell 6, a movable rod 3 movably arranged in the hollow injection shell 6, a push plate 4 fixedly arranged on the movable rod 3, and a piston 5 fixedly arranged below the movable rod 3, the piston 5 is movably arranged in the hollow injection shell 6, the push plate 4 is positioned at the outer side of the hollow injection shell 6, a left placing ring 7 and a right placing ring 8 are fixedly arranged on the circumferential outer surface of the hollow injection shell 6, the left placing ring and the right placing ring are arranged to facilitate the fixation of the index finger and the middle finger, when the liquid medicine positioned in the hollow injection shell is pushed out, the index finger and the middle finger of the same hand are respectively placed in the left placing ring and the right placing ring, and then the thumb is pressed against the push plate, the liquid medicine in the hollow injection shell is conveniently pushed out, the mounting ring 9 is fixedly arranged on the outer surface of the hollow injection shell 6, the push plate 4 is connected with the mounting ring 9 through the group of springs 10, through the arrangement of the springs, when the liquid medicine is sucked, air in the hollow injection shell is pushed out firstly, then the needle head is inserted into the medicine bottle, the push plate is loosened, the push plate and the piston are driven to be away from the needle head through the elasticity of the springs, the liquid medicine is conveniently sucked in, the push plate 4 is connected with the hollow injection shell 6 through the guide component 11, the guide component 11 comprises a guide groove 12 arranged on the hollow direct injection shell 2 and a guide rod 13 fixedly arranged below the push plate 4, the guide rod 13 is movably arranged in the guide groove 12, through the arrangement of the guide rod, when the liquid medicine is pushed out, the guide rod moves in the guide groove, and plays a role in guiding and limiting, avoid the rotation of movable rod to lead to the spring impaired, be connected through spacing subassembly 14 between guide bar 13 and the cavity injection casing 6, through setting up spacing subassembly, played limiting displacement to guide bar and push pedal, avoid exerting oneself too big, lead to extracting the cavity injection casing with the piston or make the spring warp.
The utility model discloses further setting up to: the limit block assembly 14 includes a limit block 15 fixedly disposed in the guide groove 12 and a limit block 16 fixedly disposed below the guide bar 13, the limit plate 15 is fixedly connected with the hollow injection shell 6, the limit plate 15 is provided with a movable hole 17, the guide rod 13 is movably arranged in the movable hole 17, the limit block 16 is movably arranged in the guide groove 12, the limiting block 16 is positioned below the limiting plate 15 and the radius of the limiting block 16 is larger than that of the movable hole 17, under the action of the elasticity of the spring or the push plate is pulled by the hand of a person, the limiting block and the limiting rod respectively move in the guide groove and the movable hole, set up the limiting plate in the cavity injection casing and set up the limiting plate in the top of stopper, when the stopper motion, played limiting displacement, avoid exerting oneself too big, lead to extracting the cavity injection casing with the piston or make the spring warp.
The utility model discloses further setting up to: the lower end of the needle head 2 is provided with an opening 18, and one side of the needle head 2 is provided with a hole 19, so that liquid medicine can be conveniently fed and discharged.
The utility model discloses further setting up to: the mounting ring 9 is positioned at the upper end of the left placing ring 7 and the right placing ring 8.
The utility model discloses further setting up to: the piston 5 is provided with at least two rings of ring grooves 20, and the ring grooves 20 are internally provided with a sealing ring 21 fixedly sleeved on the piston 5, so that the sealing effect is achieved.
The utility model discloses further setting up to: the push plate 4 is provided with an arc-shaped groove 22, so that the thumb of a person can be conveniently placed, and a limiting effect is achieved.
The utility model discloses further setting up to: the arc-shaped groove 22 is at least provided with two anti-slip strips 23, the anti-slip strips 23 and the push plate 4 are integrally formed, and the anti-slip effect is achieved by arranging the anti-slip strips.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and any decoration, modification or equivalent replacement made by those skilled in the art according to the above description is within the protection scope of the present invention.
Claims (7)
1. A dispensing needle characterized by: comprises an injector and a needle head fixedly arranged at the output end of the injector, the injector comprises a hollow injection shell, a movable rod movably arranged in the hollow injection shell, a push plate fixedly arranged on the movable rod and a piston fixedly arranged below the movable rod, the piston is movably arranged in the hollow injection shell, the push plate is positioned at the outer side of the hollow injection shell, a left placing ring and a right placing ring are fixedly arranged on the circumferential outer surface of the hollow injection shell, a mounting ring is fixedly arranged on the outer surface of the hollow injection shell, the push plate is connected with the mounting ring through a group of springs, the push plate is connected with the hollow injection shell through a guide component, the guide component comprises a guide groove arranged on the hollow direct injection shell and a guide rod fixedly arranged below the push plate, the guide rod is movably arranged in the guide groove, and the guide rod is connected with the hollow injection shell through a limiting assembly.
2. A dispensing needle as claimed in claim 1, wherein: the limiting assembly comprises a limiting plate fixedly arranged in a guide groove and a limiting block fixedly arranged below the guide rod, the limiting plate is fixedly connected with the hollow injection shell, a movable hole is formed in the limiting plate, the guide rod is movably arranged in the movable hole, the limiting block is movably arranged in the guide groove, the limiting block is located below the limiting plate, and the radius of the limiting block is larger than that of the movable hole.
3. A dispensing needle as claimed in claim 2, wherein: the lower extreme of syringe needle is the opening setting, the trompil has been seted up to one side of syringe needle.
4. A dispensing needle as claimed in claim 3, wherein: the mounting ring is positioned at the upper ends of the left placing ring and the right placing ring.
5. A dispensing needle as claimed in claim 4, wherein: the piston is at least provided with two rings of ring grooves, and the ring grooves are internally provided with sealing rings fixedly sleeved on the piston.
6. A dispensing needle as claimed in claim 4, wherein: an arc-shaped groove is formed in the push plate.
7. A dispensing needle as claimed in claim 6, wherein: the arc-shaped groove is at least provided with two anti-slip strips, and the anti-slip strips and the push plate are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022637101.3U CN213852035U (en) | 2020-11-13 | 2020-11-13 | Dispensing needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022637101.3U CN213852035U (en) | 2020-11-13 | 2020-11-13 | Dispensing needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213852035U true CN213852035U (en) | 2021-08-03 |
Family
ID=77056161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022637101.3U Active CN213852035U (en) | 2020-11-13 | 2020-11-13 | Dispensing needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213852035U (en) |
-
2020
- 2020-11-13 CN CN202022637101.3U patent/CN213852035U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |