CN213283176U - Medical needle tubing structure of locate mode - Google Patents
Medical needle tubing structure of locate mode Download PDFInfo
- Publication number
- CN213283176U CN213283176U CN202020830785.6U CN202020830785U CN213283176U CN 213283176 U CN213283176 U CN 213283176U CN 202020830785 U CN202020830785 U CN 202020830785U CN 213283176 U CN213283176 U CN 213283176U
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- piston rod
- sliding
- synchronous transmission
- rod
- limiting
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000008901 benefit Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 241001631457 Cannula Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model discloses a medical needle tubing structure of locate mode belongs to medical equipment technical field. The piston rod structure comprises a piston rod and an outer tube body sleeved outside the piston rod, wherein a sliding limiting assembly is arranged between the outer tube body and the piston rod; the sliding limiting assembly comprises a sliding matching groove formed in the outer wall of the outer pipe body and a synchronous transmission rod fixedly connected to the piston rod; the sliding fit groove comprises a linear sliding part and a plurality of limiting parts uniformly arranged on one side of the linear sliding part; one end of the synchronous transmission rod is fixedly connected with one end of the piston rod, which is far away from the outer tube body, and the other end of the synchronous transmission rod can be respectively in sliding fit with the linear sliding part and the limiting part. The device can realize with the help of the spacing subassembly that slides that the piston rod can carry out the rigidity on the basis of outer body to can conveniently get back to the slip position again when needing to adjust relative position, effectively promoted convenience and functional practicality.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to medical needle tubing structure of locate mode.
Background
Needle cannulas are one of the most important medical devices in medical systems for injection. At present, the needle tubing structure that uses in the medical treatment is sliding type structure usually, when needs are the gasbag gas injection in the gasbag vascular clamp in the operation through the needle tubing, need press the syringe tip all the time usually, perhaps seal the gasbag entry end alone, guarantee the centre gripping effect of vascular clamp, and can't conveniently carry out the gas injection back of gasbag and fix and the gassing from needle tubing department operation.
In view of the above-mentioned prior art, the applicant of the present invention has made a lot of repeated and beneficial researches, and the final product has obtained effective results and formed the technical solutions to be described below.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a medical needle tubing structure of locate mode to solve the unable mutual location of two parts sliding structure of needle body in prior art and make things convenient for the gliding technical problem of split after the location.
In order to achieve the above object, the present invention provides the following technical solutions:
a positionable medical needle tube structure comprises a piston rod and an outer tube body sleeved outside the piston rod, wherein a sliding limiting assembly is arranged between the outer tube body and the piston rod;
the sliding limiting assembly comprises a sliding matching groove formed in the outer wall of the outer pipe body and a synchronous transmission rod fixedly connected to the piston rod; the sliding fit groove comprises a linear sliding part and a plurality of limiting parts uniformly arranged on one side of the linear sliding part;
one end of the synchronous transmission rod is fixedly connected with one end of the piston rod, which is far away from the outer tube body, and the other end of the synchronous transmission rod can be respectively in sliding fit with the linear sliding part and the limiting part.
On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:
furthermore, one end of the synchronous transmission rod, which is far away from the piston rod, is fixedly connected with a matching sliding block facing the sliding matching groove;
the matching slide block can be respectively matched with the linear sliding part and the limiting part in a sliding mode.
Furthermore, a positioning plate is fixedly connected to the outer wall of the outer tube body at a position corresponding to the position between the piston rod and the sliding fit groove, and a limiting sliding channel with a set rotation radian is formed in the positioning plate;
the synchronous transmission rod extends through the limiting sliding channel, and the synchronous transmission rod is in sliding fit with the limiting sliding channel.
Furthermore, an adjusting bolt is screwed on the piston rod at a position corresponding to the synchronous transmission rod; the rod end of the adjusting bolt extends through the tail end of the piston rod to be in threaded connection with the synchronous transmission rod.
The utility model has the advantages of as follows:
1. the device can realize with the help of the spacing subassembly that slides that the piston rod can carry out the rigidity on the basis of outer body to can conveniently get back to the slip position again when needing to adjust relative position, effectively promoted convenience and functional practicality.
2. The device makes synchronous drive pole can produce linear displacement through twisting adjusting bolt with the help of ball screw's principle, and then can adjust the skew degree between cooperation slider and the spacing portion according to the scale that corresponds in the in-service use custom in a flexible way, has promoted the functional practicality greatly.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and the structures, proportions, sizes, etc. shown in the present specification are only used to match the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and any modifications of the structures, changes of the proportion relations, or adjustments of the sizes, should still fall within the scope of the technical contents disclosed in the present invention without affecting the functions and the achievable objects of the present invention.
Fig. 1 is one of the overall structural diagrams of embodiment 1 of the present invention;
fig. 2 is a second schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of an outer tube body according to an embodiment of the present invention;
fig. 4 is a schematic view of the overall structure of embodiment 2 of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the outer tube body 1, the piston rod 2, the positioning plate 3, the limit sliding channel 31, the sliding matching groove 4, the linear sliding part 41, the limit part 42, the synchronous transmission rod 5, the matching slide block 51 and the adjusting bolt 6.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.
Example 1
As shown in fig. 1-3, the embodiment of the utility model provides a but locate mode medical needle tubing structure, including cup jointing outer body 1 and piston rod 2 of complex mutually, outer body 1 with be equipped with the spacing subassembly of slip between the piston rod 2 for realize with the help of the spacing subassembly of slip that piston rod 2 can carry out the rigidity on the basis of outer body 1, and can conveniently get back to the slip position again when needs adjustment relative position, effectively promoted convenience and functional practicality. The specific settings are as follows:
the outer tube body 1 is sleeved outside the piston rod 2 and used for achieving the set function of the needle tube.
The sliding limiting assembly comprises a sliding matching groove 4 arranged on the outer wall of the outer pipe body 1 and a synchronous transmission rod 5 fixedly connected to the piston rod 2, wherein the sliding matching groove 4 comprises a linear sliding part 41 and a plurality of limiting parts 42 uniformly arranged on one side of the linear sliding part 41; the synchronous transmission rod 5 extends from the tail end of the piston rod 2 towards the sliding fit groove 4, one end, far away from the piston rod 2, of the synchronous transmission rod 5 is fixedly connected with a fit sliding block 51 facing the sliding fit groove 4, the fit sliding block 51 can be respectively in sliding fit with the linear sliding portion 41 and the limiting portion 42, so that the synchronous transmission rod 5 can be driven to rotate by rotating the piston rod 2, the fit sliding block 51 on the synchronous transmission rod 5 can be switched in a sliding mode between the linear sliding portion 41 and the limiting portion 42, and the relative positioning or sliding function between the outer pipe body 1 and the piston rod 2 can be adjusted according to requirements.
Preferably, the outer wall of the outer tube body 1 is fixedly connected to a positioning plate 3 corresponding to a position between the piston rod 2 and the sliding fit groove 4, a limiting sliding channel 31 with a set rotation radian is formed in the positioning plate 3, the synchronous transmission rod 5 extends through the limiting sliding channel 31, and the synchronous transmission rod 5 is in sliding fit with the limiting sliding channel 31 to effectively improve the extension stability of the synchronous transmission rod 5, so that the whole function is more practical.
The positionable medical needle cannula structure in this embodiment is used as follows:
when the needle tube is used, the piston rod 2 is operated to slide in the outer tube body 1, so that the synchronous transmission rod 5 on the piston rod 2 slides along the linear sliding part 41 on the outer tube body 1;
when the position of the piston rod 2 on the outer tube body 1 needs to be fixed after the air bag is injected, the piston rod 2 is rotated, the synchronous transmission rod 5 rotates along the limiting sliding channel 31 on the positioning plate 3 under the driving action of the piston rod 2, and the matching sliding block 51 on the synchronous transmission rod 5 slides into the limiting part 42 from the linear sliding part 41, so that the position of the piston rod 2 on the outer tube body 1 is fixed by means of mutual limiting between the matching sliding block 51 and the limiting part 42;
when the piston rod 2 needs to be operated again to slide in the outer tube body 1, only the piston rod 2 needs to be rotated.
Example 2
In embodiment 2, the same reference numerals are given to the same structures as those in embodiment 1, the same description is omitted, and embodiment 2 is improved over embodiment 1, as shown in fig. 4, an adjusting bolt 6 is screwed to the rear end of the piston rod 2 at a position corresponding to the synchronous transmission rod 5, a rod end of the adjusting bolt 6 extends through the rear end of the piston rod 2 and is in threaded connection with the synchronous transmission rod 5, so that the synchronous transmission rod 5 can be linearly displaced by screwing the adjusting bolt 6 according to the principle of a ball screw, and further, the degree of offset between the fitting slider 51 and the limiting portion 42 can be flexibly adjusted according to the corresponding scale in the practical use habit, thereby greatly improving the functional practicability.
The positionable medical needle cannula structure in this embodiment is used as follows:
when the air bag is completely supported and deviation exists between the matching slide block 51 and the limiting part 42, the adjusting bolt 6 is screwed to align the matching slide block 51 and the limiting part 42, and the screwing degree is kept to be directly used next time.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (4)
1. The utility model provides a medical syringe structure of locate mode which characterized in that: the piston rod structure comprises a piston rod and an outer tube body sleeved outside the piston rod, wherein a sliding limiting assembly is arranged between the outer tube body and the piston rod;
the sliding limiting assembly comprises a sliding matching groove formed in the outer wall of the outer pipe body and a synchronous transmission rod fixedly connected to the piston rod; the sliding fit groove comprises a linear sliding part and a plurality of limiting parts uniformly arranged on one side of the linear sliding part;
one end of the synchronous transmission rod is fixedly connected with one end of the piston rod, which is far away from the outer tube body, and the other end of the synchronous transmission rod can be respectively in sliding fit with the linear sliding part and the limiting part.
2. The positionable medical needle cannula structure of claim 1, wherein the synchronous transmission rod is fixedly provided with a matching slide block facing the sliding matching groove at one end far away from the piston rod;
the matching slide block can be respectively matched with the linear sliding part and the limiting part in a sliding mode.
3. The positionable medical needle tube structure as claimed in claim 1 or 2, wherein a positioning plate is fixedly connected to the outer wall of the outer tube body at a position corresponding to the position between the piston rod and the sliding fit groove, and a limiting sliding channel with a predetermined rotation radian is formed on the positioning plate;
the synchronous transmission rod extends through the limiting sliding channel, and the synchronous transmission rod is in sliding fit with the limiting sliding channel.
4. The positionable medical needle cannula structure of claim 1, wherein an adjusting bolt is threadedly mounted on the plunger rod at a position corresponding to the timing drive rod;
the rod end of the adjusting bolt extends through the tail end of the piston rod to be in threaded connection with the synchronous transmission rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020830785.6U CN213283176U (en) | 2020-05-18 | 2020-05-18 | Medical needle tubing structure of locate mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020830785.6U CN213283176U (en) | 2020-05-18 | 2020-05-18 | Medical needle tubing structure of locate mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213283176U true CN213283176U (en) | 2021-05-28 |
Family
ID=75983228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020830785.6U Expired - Fee Related CN213283176U (en) | 2020-05-18 | 2020-05-18 | Medical needle tubing structure of locate mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213283176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114129946A (en) * | 2021-11-24 | 2022-03-04 | 北京达氟安全科技有限公司 | Adjustable fire extinguishing device based on different fire extinguishing intensity requirements and application method thereof |
-
2020
- 2020-05-18 CN CN202020830785.6U patent/CN213283176U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114129946A (en) * | 2021-11-24 | 2022-03-04 | 北京达氟安全科技有限公司 | Adjustable fire extinguishing device based on different fire extinguishing intensity requirements and application method thereof |
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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: 20210528 |