CN214713715U - Medical needle tube convenient for replacing needle head - Google Patents
Medical needle tube convenient for replacing needle head Download PDFInfo
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- CN214713715U CN214713715U CN202023052138.6U CN202023052138U CN214713715U CN 214713715 U CN214713715 U CN 214713715U CN 202023052138 U CN202023052138 U CN 202023052138U CN 214713715 U CN214713715 U CN 214713715U
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- frame
- needle
- circular
- syringe needle
- sliding
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Abstract
The utility model provides a medical needle tubing convenient to change syringe needle relates to medical technical field, a medical needle tubing convenient to change syringe needle, include: the syringe comprises a syringe body, wherein the center of the top of the syringe body is fixedly communicated with an injection tube. The utility model discloses a put the syringe needle on the sliding frame, press the syringe needle base again, make it along sliding frame downstream, when the syringe needle base slided the sliding rod below, the sliding rod can stretch to the syringe needle this moment, thereby with the syringe needle block in the inside of circular stock, prevent that the syringe needle from droing, when changing, through the both sides pulling pull rod to circular stock, make the sliding rod keep away from the syringe needle gradually, the sliding frame just can be owing to the effect of spring this moment, release the inside of circular stock gradually with the needle tubing, thereby make the syringe needle break away from the needle tubing, the effect of being convenient for change has been reached, through the effect of circular stock bottom rubber pad, make the top at the needle tubing of the better cover of circular stock ability establish.
Description
Technical Field
The utility model relates to the field of medical technology, specifically a medical needle tubing convenient to change syringe needle.
Background
Syringes are commonly used medical devices, consisting of a needle cannula with a small bore at the front end and a matching plunger core, to inject small amounts of fluid or other substances into or out of areas that are otherwise inaccessible. When the core rod is pulled out, liquid or gas is sucked from a small hole at the front end of the needle tube, when the core rod is pushed in, the liquid or gas is extruded, and the process of extracting or injecting the gas or the liquid by using the injector and the needle head is called as injection;
however, when the needle is installed in the existing needle tube, the needle needs to be pressed on the needle tube with force, and when the needle is replaced, the needle needs to be pulled out with larger force due to clamping and too tight, and when the needle is operated, the needle needs to be pinched by hand, so that the replacement is inconvenient, and the possibility of damaging the hand can be caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a medical needle tubing convenient to change syringe needle to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a medical needle cannula for facilitating needle replacement, comprising: the needle tube body, the fixed intercommunication in top center department of needle tube body has the injection syringe, the top slip cover of needle tube body is equipped with the rubber pad, the outer fixed surface of rubber pad installs circular cover frame, the top center department slip of circular cover frame inlays and is equipped with the sliding frame, the inner wall top fixed mounting of sliding frame has first spring, the bottom fixed surface of sliding frame installs the limiting plate, table wall fixed mounting has fixed frame in one side of circular cover frame, one side outer surface slip that circular cover frame was kept away from to fixed frame inlays and is equipped with the slide bar, the top fixed mounting that the slide bar kept away from the sliding frame has the stopper, one side outer fixed surface that the slide bar kept away from the sliding frame installs the second spring, the top fixed mounting of slide bar has the pull rod, and the one end of pull rod extends to the outside of circular cover frame.
Furthermore, the surface sliding connection of limiting plate is at the inner wall of circular set frame, the top sliding connection of stopper is at the inner wall of fixed frame.
Furthermore, the top of the sliding frame is provided with a through hole matched with the injection tube.
Furthermore, the bottom of the circular sleeve frame is provided with a groove matched with the top of the needle tube body, and the top of the circular sleeve frame is provided with a moving through hole matched with the pull rod.
Furthermore, the outer surface of one side of the fixing frame, which is far away from the circular sleeve frame, is provided with a through hole matched with the sliding rod.
Furthermore, one end, far away from the top of the sliding frame, of the first spring is fixedly installed on the inner wall of the bottom of the circular sleeve frame.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a put the syringe needle on the sliding frame, press the syringe needle base again, make it along sliding frame downstream, when the syringe needle base slided the sliding rod below, the sliding rod can stretch to the syringe needle this moment, thereby with the syringe needle block in the inside of circular stock, prevent that the syringe needle from droing, when changing, through the both sides pulling pull rod to circular stock, make the sliding rod keep away from the syringe needle gradually, the sliding frame just can be owing to the effect of spring this moment, release the inside of circular stock gradually with the needle tubing, thereby make the syringe needle break away from the needle tubing, the effect of being convenient for change has been reached, through the effect of circular stock bottom rubber pad, make the top at the needle tubing of the better cover of circular stock ability establish.
Drawings
Fig. 1 is a front view of an embodiment of the present invention;
fig. 2 is a cross-sectional view of a circular frame according to an embodiment of the present invention;
fig. 3 is a top view of an internal structure of a circular frame according to an embodiment of the present invention.
Reference numerals: 1. a needle tube body; 2. a circular sleeve frame; 3. a pull rod; 4. a fixing frame; 5. a limiting block; 6. a slide bar; 7. a second spring; 8. a limiting plate; 9. an injection tube; 10. a sliding frame; 11. a first spring; 12. and (7) a rubber pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-3, in which fig. 1 is a front view of an embodiment of the present invention; fig. 2 is a cross-sectional view of a circular frame according to an embodiment of the present invention; fig. 3 is the top view of the internal structure of the circular frame in an embodiment of the present invention, a medical needle tube convenient for replacing the needle head, including: the needle tube comprises a needle tube body 1, an injection tube 9 is fixedly communicated with the center of the top of the needle tube body 1, a rubber pad 12 is sleeved on the top of the needle tube body 1 in a sliding manner, a circular sleeve frame 2 is fixedly installed on the outer surface of the rubber pad 12, a sliding frame 10 is embedded on the center of the top of the circular sleeve frame 2 in a sliding manner, a first spring 11 is fixedly installed on the top of the inner wall of the sliding frame 10, a limiting plate 8 is fixedly installed on the outer surface of the bottom of the sliding frame 10, a fixed frame 4 is fixedly installed on the inner surface of one side of the circular sleeve frame 2, a sliding rod 6 is embedded on the outer surface of one side of the fixed frame 4 far away from the circular sleeve frame 2 in a sliding manner, a limiting block 5 is fixedly installed on the top of the sliding rod 6 far away from the sliding frame 10, a second spring 7 is fixedly installed on the outer surface of one side of the sliding rod 6 far away from the sliding frame 10, a pull rod 3 is fixedly installed on the top of the sliding rod 6, and one end of the pull rod 3 extends to the outside of the circular sleeve frame 2.
The surface sliding connection of limiting plate 8 is at the inner wall of circular set frame 2, the top sliding connection of stopper 5 is at the inner wall of fixed frame 4, prevents that fixed frame 4 is inside to take place the skew, leads to unable normal use.
The top of the sliding frame 10 is provided with a through hole matched with the injection tube 9, so that the sliding frame 10 can freely move along the injection tube 9.
The bottom of the circular sleeve frame 2 is provided with a groove matched with the top of the needle tube body 1, the top of the circular sleeve frame 2 is provided with a moving through hole matched with the pull rod 3, and the pull rod 3 can freely slide on the top of the circular sleeve frame 2.
The outer surface of one side of the fixed frame 4, which is far away from the circular sleeve frame 2, is provided with a through hole matched with the sliding rod 6, so that the sliding rod 6 can freely slide in the fixed frame 4.
One end of the first spring 11, which is far away from the top of the sliding frame 10, is fixedly installed on the inner wall of the bottom of the circular sleeve frame 2, so that the first spring 11 can be fixed inside the sliding frame 10.
To sum up, the utility model provides a medical needle tube convenient to change syringe needle, through putting the syringe needle on the sliding frame 10, press the syringe needle base again, make it along the downward motion of sliding frame 10, because the effect of limiting plate 8, make sliding frame 10 can stable lapse, when the syringe needle base slips to the slide bar 6 below, slide bar 6 can stretch to the syringe needle because of the effect of second spring 7 at this moment, thus block the syringe needle in the inside of circular stock 2, prevent that the syringe needle from coming off, when changing, through pulling the pull rod 3 to the both sides of circular stock 2, make slide bar 6 keep away from the syringe needle gradually, slide frame 10 can be because the effect of first spring 11 at this moment, push the syringe needle out the inside of circular stock 2 gradually, thereby make the syringe needle break away from needle tube body 1, loosen pull rod 3 at this moment, make slide bar 6 resume original position, thereby reached the effect convenient to change, the circular sleeve frame 2 can be better sleeved on the top of the needle tube body 1 under the action of the rubber pad 12 at the bottom of the circular sleeve frame 2.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A medical needle cannula for facilitating needle replacement, comprising: needle tube body (1), its characterized in that, the fixed intercommunication of top center department of needle tube body (1) has injection syringe (9), the top slip cover of needle tube body (1) is equipped with rubber pad (12), the outer fixed surface of rubber pad (12) installs circular set frame (2), the top center department slip of circular set frame (2) inlays and is equipped with sliding frame (10), the inner wall top fixed mounting of sliding frame (10) has first spring (11), the bottom outer fixed surface of sliding frame (10) installs limiting plate (8), the inside surface wall fixed mounting in one side of circular set frame (2) has fixed frame (4), one side outer surface slip that circular set frame (2) was kept away from to fixed frame (4) inlays and is equipped with slide bar (6), the top fixed mounting that slide bar (6) kept away from sliding frame (10) has stopper (5), one side fixed surface that slide bar (6) kept away from slide frame (10) installs second spring (7), the top fixed mounting of slide bar (6) has pull rod (3), and the one end of pull rod (3) extends to the outside of circular stock (2).
2. The medical needle tube convenient for replacing the needle head as claimed in claim 1, wherein the outer surface of the limiting plate (8) is slidably connected to the inner wall of the circular sleeve frame (2), and the top of the limiting block (5) is slidably connected to the inner wall of the fixed frame (4).
3. The medical needle tube convenient for needle replacement according to claim 1, wherein the top of the sliding frame (10) is provided with a through hole matched with the injection tube (9).
4. The medical needle tube convenient for needle head replacement according to claim 1, wherein the bottom of the circular sleeve frame (2) is provided with a groove matched with the top of the needle tube body (1), and the top of the circular sleeve frame (2) is provided with a moving through hole matched with the pull rod (3).
5. The medical needle tube convenient for needle head replacement according to claim 1, wherein the outer surface of one side of the fixing frame (4) far away from the circular sleeve frame (2) is provided with a through hole matched with the sliding rod (6).
6. A needle cannula for medical purposes, with the ease of changing the needle according to claim 1, characterized in that the end of the first spring (11) remote from the top of the sliding frame (10) is fixedly mounted on the bottom inner wall of the circular housing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023052138.6U CN214713715U (en) | 2020-12-17 | 2020-12-17 | Medical needle tube convenient for replacing needle head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023052138.6U CN214713715U (en) | 2020-12-17 | 2020-12-17 | Medical needle tube convenient for replacing needle head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214713715U true CN214713715U (en) | 2021-11-16 |
Family
ID=78632343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023052138.6U Active CN214713715U (en) | 2020-12-17 | 2020-12-17 | Medical needle tube convenient for replacing needle head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214713715U (en) |
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2020
- 2020-12-17 CN CN202023052138.6U patent/CN214713715U/en active Active
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