CN214911230U - Universal vacuum test device for connecting sealing joint and sucking sputum tube residue - Google Patents
Universal vacuum test device for connecting sealing joint and sucking sputum tube residue Download PDFInfo
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- CN214911230U CN214911230U CN202120495462.0U CN202120495462U CN214911230U CN 214911230 U CN214911230 U CN 214911230U CN 202120495462 U CN202120495462 U CN 202120495462U CN 214911230 U CN214911230 U CN 214911230U
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Abstract
The utility model discloses a universal connecting sealing joint and a sputum suction tube residual vacuum testing device, belonging to the technical field of medical instrument inspection, wherein the connecting sealing joint comprises a sub-joint and a female joint which are mutually matched, the sub-joint is a tubular structure with an internal passage, one end of the sub-joint is matched with the female joint, and the other end is contracted inwards to form a contraction end; a silica gel cylinder is arranged inside the contraction end; a male joint inserting groove is formed in the end face of one end of the female joint, and a pipeline inserting groove is formed in the end face of the other end of the female joint; the tubular structure of the female joint can extend into the interior of the male joint and extrude the silica gel tube. The residual vacuum testing device comprises the connecting sealing joint. The sealing joint of the utility model is suitable for sputum suction pipes with various specifications, and realizes the convenient and reliable connection between the sputum suction pipe and the pressure gauge; the utility model discloses the testing arrangement of example has just improved the accuracy of remaining vacuum test result.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument inspection technique and specifically relates to a general type connects sealing joint and inhales phlegm pipe and remains vacuum test device is applicable to medical phlegm pipe of inhaling's remaining vacuum test.
Background
The sputum suction tube is a suction catheter, a vacuum control device is generally arranged at one end of the suction catheter to realize negative pressure sputum suction, the sputum suction tube belongs to a class of medical instruments which are commonly used clinically, in order to ensure the life safety of a patient, the medical instruments must be subjected to strict quality inspection before being put into use, and a residual vacuum test is an important test in the quality inspection of the sputum suction tube.
At present, when a residual vacuum test of a sputum suction tube is carried out, a specific operation method is that one end of the sputum suction tube is connected with a vacuum pump, the other end of the sputum suction tube is connected with a pressure gauge, and a result is represented by a residual vacuum value measured on the pressure gauge, but in actual operation, the method has some defects:
1. when the sputum suction pipe is connected with the pressure gauge, a special joint is not arranged, an operator needs to utilize materials of a laboratory to connect the sputum suction pipe with the pressure gauge, the efficiency and the accuracy are influenced, and inconvenience is brought to operation.
2. The test is carried out by only one pressure gauge, and the accuracy of the test result is lack of guarantee.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects in the prior art, the utility model aims to provide a universal connecting sealing joint and a sputum aspirator residual vacuum testing device, wherein the sealing joint is suitable for sputum aspirators with various specifications and realizes the convenient and reliable connection between the sputum aspirator and a pressure gauge; the testing device improves the accuracy of the residual vacuum test result.
The utility model provides a technical scheme that its technical problem adopted does:
on one hand, the utility model provides a universal connecting and sealing joint, which comprises a sub-joint and a female joint which are mutually matched,
the female joint is a tubular structure, a passage is formed in the female joint, one end of the female joint is matched with one end of the male joint, and the other end of the female joint is contracted inwards to form a contracted end; an external thread is arranged at one end of the sub-joint matched with the female joint, and a first raised ring is arranged on the outer side wall of the sub-joint; the contraction end of the sub-joint is used for matching with the sputum suction tube, and a silica gel cylinder is arranged inside the contraction end;
the female joint comprises a female joint tubular structure with a passage formed inside, a male joint inserting groove is formed in the end face of one end of the female joint, and a pipeline inserting groove is formed in the end face of the other end of the female joint; the outer end of the sub-joint inserting groove is provided with a second convex ring clamped with the first convex ring, the inner side of the second convex ring is sequentially provided with an annular groove and an internal thread, and the internal thread is meshed with the external thread;
the sub-joint inserting groove and the pipeline inserting groove are arranged around the tubular structure of the female joint in a surrounding mode, and the tubular structure of the female joint can extend into the interior of the sub-joint and extrude the silica gel cylinder.
Furthermore, the tail ends of the first protruding ring and the second protruding ring are both smooth curved surfaces.
Furthermore, the corners of the inner side of the contraction end are in smooth transition.
Further, the shape of silica gel section of thick bamboo lateral wall and the shape looks adaptation of sub-joint inside wall, and both contact.
Furthermore, a third protruding ring is arranged on the outer side of the pipeline insertion groove, and a plurality of notches are arranged on the outer surface of the side wall of the third protruding ring in parallel, so that the third protruding ring forms a hand wheel structure.
On the other hand, the utility model also provides a inhale phlegm pipe and remain vacuum test device, including any kind of aforementioned general type joint seal, general type joint seal's female joint passes through pipeline intercommunication pressure gauge.
Furthermore, the pressure gauge comprises a digital display differential pressure gauge and a U-shaped differential pressure gauge, a three-way joint is arranged on a pipeline connected with the female joint, and three interfaces of the three-way joint are respectively communicated with the female joint, the digital display differential pressure gauge and the U-shaped differential pressure gauge.
Furthermore, the sub-joint is communicated with one end of a sputum suction pipe, and the other end of the sputum suction pipe is sequentially connected with a vacuum pump and a flowmeter.
Furthermore, a vacuum control device is arranged on the sputum suction tube.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses the general type of example connects sealing joint, the inside of sub-joint sets up a silicone tube, is provided with thread engagement's part between sub-joint and the female joint, and under thread engagement's effect, the female joint mounting structure can extrude a silicone tube, and the centre bore of a silicone tube can dwindle gradually and totally enclosed under the extrusion, realizes the regulation and the sealing of internal diameter, can be applicable to the phlegm pipe of inhaling of multiple different specifications, and the commonality is strong.
2. The utility model discloses the general type joint sealing connects of example, the joint through first protruding ring sum second protruding ring between sub-joint and the female joint to and the meshing of screw thread links together, the shrink end of sub-joint be used for with inhale the phlegm pipe cooperation, the other end of female joint sets up the pipeline inserting groove, can be convenient with be connected the pipeline of differential pressure gauge and be connected, improved test operation's convenience and guaranteed experimental accuracy.
3. The utility model discloses the general type joint seal of example, the end of first protruding ring sum second protruding ring is slick and sly curved surface, and operation when the joint of being convenient for causes destruction to first protruding ring sum second protruding ring when avoiding joint and separation realizes repeatedly installing and removing, and the practicality is stronger.
4. The universal connecting sealing joint of the example of the utility model has the advantages that the corners of the inner side of the contraction end are in smooth transition, and the silica gel cylinder can not contact sharp edges when being extruded or rebounded, thereby effectively protecting the silica gel cylinder from being damaged and prolonging the service life of the joint; the shape of a silica gel section of thick bamboo lateral wall and the shape looks adaptation of sub-joint inside wall, and both contact, form the location to a silica gel section of thick bamboo through the inner wall that the sub-connects, the stable installation of a silica gel section of thick bamboo of being convenient for strengthens the reliability that connects.
5. The utility model discloses the sealing joint is connected to general type of example, and the third protruding ring becomes the hand wheel structure, is convenient for twist and moves female joint, the use that is convenient for connect.
6. The utility model discloses inhale phlegm pipe and remain vacuum test device of example, through adopting the utility model discloses the general type joint seal of inhaling of example can be applicable to the phlegm pipe of inhaling of multiple specification, realizes inhaling convenient and reliable connection, convenient operation between phlegm pipe and the pressure gauge.
7. The utility model discloses inhale phlegm pipe and remain vacuum test device is provided with digital display barometer and U type barometer through three way connection, and multiple mode reads pressure differential, realizes verifying each other, can guarantee the measuring degree of accuracy.
8. The sputum aspirator residual vacuum testing device provided by the example of the utility model is provided with the flowmeter, so that different flow rates can be adjusted according to different pipelines and test requirements; the vacuum control device is arranged, and the vacuum control device is selectively opened or closed according to different types of the sputum suction tubes, so that the test operation is simpler and more convenient, and the test result is more accurate.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a universal connection sealing joint according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a residual vacuum testing device of a second sputum aspirator in an embodiment of the present invention;
fig. 3 is a schematic structural view of the residual vacuum testing device of the third sputum aspirator in the embodiment of the present invention.
In the figure: the novel sputum aspirator comprises a 1 sub-joint, a 2 contraction end, a 3 first protruding ring, a 4 external thread, a 5 silica gel barrel, a 6 female joint, a 7 sub-joint splicing groove, a 8 second protruding ring, a 9 female joint tubular structure, a 10 annular groove, 11 internal threads, a 12 pipeline splicing groove, a 13 third protruding ring, a 14 universal type connecting sealing joint, a 15 three-way joint, a 16 digital display differential pressure gauge, a 17U type differential pressure gauge, an 18 sputum suction pipe, a 19 vacuum control device, a 20 vacuum pump and a 21 flowmeter.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.
The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
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.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
The first embodiment is as follows:
as shown in fig. 1, the present embodiment provides a universal joint sealing joint, which includes a sub joint 1 and a female joint 6 that are fitted to each other.
The sub-joint 1 is a tubular structure with a passage formed inside, one end of the sub-joint 1 is used for being matched with the female joint, and the other end of the sub-joint 1 is contracted inwards to form a contracted end 2; an external thread 4 is arranged at one end of the sub-joint 1 matched with the female joint, and a first raised ring 3 is arranged on the outer side wall of the sub-joint 1; the contraction end 2 of the sub-joint 1 is used for matching with a sputum suction tube, and a silica gel tube 5 is arranged inside the contraction end 2.
The female joint 6 comprises a female joint tubular structure 9 with a passage formed inside, a female joint inserting groove 7 is formed in the end face of one end of the female joint 6, and a pipeline inserting groove 12 is formed in the end face of the other end of the female joint 6; the outer end of the sub-joint inserting groove 7 is a second protruding ring 8 clamped with the first protruding ring 3, the inner side of the second protruding ring 8 is sequentially provided with an annular groove 10 and an internal thread 11, and the internal thread 11 is meshed with the external thread 4.
The sub-joint inserting groove 7 and the pipeline inserting groove 12 are arranged around the tubular structure 9 of the female joint, and the tubular structure 9 of the female joint can extend into the sub-joint 1 and extrude the silica gel barrel 5.
When the connector is used, one end of the sub connector 1 with the external thread 4 is inserted into the sub connector insertion groove 7 of the female connector 6, when the second protruding ring 8 is in contact with the first protruding ring 3, the first protruding ring 3 enters the annular groove 10 with force, the second protruding ring 8 is clamped to the other side of the first protruding ring 3, and the sub connector 1 can be prevented from being separated in a normal use state.
After the first raised ring 3 enters the annular groove 10, the external thread 4 reaches the internal thread 11 in the sub-joint insertion groove 7, the external thread 4 is meshed with the internal thread 11, the female joint 6 is screwed, and along with the increase of the meshing part of the external thread 4 and the internal thread 11, the female joint 6 moves towards the sub-joint 1, so that the tubular structure 9 of the female joint extrudes the silicone tube 5.
When the tubular structure 9 of the female joint only contacts the silica gel tube 5 or slightly presses the silica gel tube 5, the silica gel tube 5 is not deformed, and the inner diameter of the inner part of the connecting sealing joint is the inner diameter of the silica gel tube 5; when the female joint tubular structure 9 extrudes the silicone tube 5, the silicone tube 5 deforms under the action of pressure and is extruded into the central hole of the contraction end 2 because the silicone tube 5 is flexible, so that the central hole of the silicone tube 5 is gradually contracted until the silicone tube is completely closed. On the contrary, the female joint 6 is rotated in the opposite direction, the meshing part of the external thread 4 and the internal thread 11 is gradually disengaged, the tubular structure 9 of the female joint gradually loosens the extrusion on the silica gel tube 5, the silica gel tube 5 can restore the deformation due to the elastic characteristic of the silica gel, and the central hole of the silica gel tube 5 can be gradually enlarged until the original shape is restored. The adjustment of the inner diameter of the universal connecting and sealing joint and the closing of the connecting position are realized.
The inner diameter of the connecting sealing joint of the embodiment can be adjusted, so that the sputum suction tube can be suitable for various sputum suction tubes with different specifications, and the universality is strong; can seal, set up the contraction end 2 of connecting the phlegm suction pipe and the pipeline inserting groove 12 of connecting line for experimental operation is more convenient, raises the efficiency and the accuracy.
In order to facilitate the operations of clamping and separating the sub-joint 1 and the female joint 6 and realize repeated assembly and disassembly, the tail ends of the first bulge loop 3 and the second bulge loop 8 are smooth curved surfaces.
In order to avoid the damage to the silicone tube 5 caused by the edges and corners of the sub-joint 1 in the processes of extrusion and resetting, the corners of the inner side of the contraction end 2 are in smooth transition, the shape of the outer side wall of the silicone tube 5 is matched with the shape of the inner side wall of the sub-joint, and the two are in contact.
In order to facilitate screwing of the female joint 6, a third protruding ring 13 is arranged on the outer side of the pipeline insertion groove 12, and a plurality of notches are arranged on the outer surface of the side wall of the third protruding ring 13 in parallel, so that the third protruding ring 13 forms a hand wheel structure.
Example two:
as shown in FIG. 2, the present embodiment provides a residual vacuum testing device for sputum aspirator, which comprises the universal joint seal 14 according to the first embodiment, wherein the female joint 6 of the universal joint seal 14 is communicated with a pressure gauge through a pipeline.
The pressure gauge comprises a digital display differential pressure gauge 16 and a U-shaped differential pressure gauge 17, a three-way joint 15 is arranged on a pipeline connected with the female joint 6, and three ports of the three-way joint 15 are respectively communicated with the female joint 6, the digital display differential pressure gauge 16 and the U-shaped differential pressure gauge 17.
When the pressure difference measuring device is used, the testing steps still follow the steps in the prior art, the pressure difference values measured on the digital display differential pressure gauge 16 and the U-shaped differential pressure gauge 17 are respectively read, the pressure differences are read in two different modes, mutual verification can be achieved, and the accuracy of the measuring result is guaranteed.
Example three:
on the basis of the second embodiment, the sub-connector 1 of the present embodiment is communicated with one end of a sputum suction tube 18, the other end of the sputum suction tube 18 is sequentially connected with a vacuum pump 20 and a flowmeter 21, and a vacuum control device 19 is arranged on the sputum suction tube 18.
Specifically, the vacuum control device 19 may be provided as a vent valve capable of opening and closing, and the flow meter 21 is used to indicate the flow rate of the vacuum pump 20. For the open type sputum suction tube, the vacuum control device 19 is opened to a release state, the vacuum pump 20 is started, and the flow is adjusted to the flow meter 21 to indicate that the flow is at 30L/min; for a closed sputum aspirator, the pressure gauge is first removed, the vacuum control device 19 is turned on, the vacuum pump 20 is turned on, the flow rate is adjusted to 30L/min as indicated by the flow meter 21, the vacuum control device 19 is driven to the closed position, and then the pressure gauge is attached. The results are expressed as the residual vacuum value measured on the manometer.
The pressure gauge of this embodiment still includes digital display differential pressure gauge 16 and U type differential pressure gauge 17, and two measuring results verify each other, guarantee the accuracy.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Besides the technical features described in the specification, other technical features are known to those skilled in the art, and further description of the other technical features is omitted here in order to highlight the innovative features of the present invention.
Claims (9)
1. A universal connecting and sealing joint comprises a sub joint and a female joint which are mutually matched, and is characterized in that,
the female joint is a tubular structure, a passage is formed in the female joint, one end of the female joint is matched with one end of the male joint, and the other end of the female joint is contracted inwards to form a contracted end; an external thread is arranged at one end of the sub-joint matched with the female joint, and a first raised ring is arranged on the outer side wall of the sub-joint; the contraction end of the sub-joint is used for matching with the sputum suction tube, and a silica gel cylinder is arranged inside the contraction end;
the female joint comprises a female joint tubular structure with a passage formed inside, a male joint inserting groove is formed in the end face of one end of the female joint, and a pipeline inserting groove is formed in the end face of the other end of the female joint; the outer end of the sub-joint inserting groove is provided with a second convex ring clamped with the first convex ring, the inner side of the second convex ring is sequentially provided with an annular groove and an internal thread, and the internal thread is meshed with the external thread;
the sub-joint inserting groove and the pipeline inserting groove are arranged around the tubular structure of the female joint in a surrounding mode, and the tubular structure of the female joint can extend into the interior of the sub-joint and extrude the silica gel cylinder.
2. The universal joint seal of claim 1, wherein the ends of the first raised ring and the second raised ring are each rounded.
3. The universal joint seal of claim 1, wherein the corners inside the converging end are rounded.
4. The universal joint according to claim 1 or 3, wherein the outer sidewall of the silicone barrel is adapted to the inner sidewall of the sub-joint in shape and contacts with the inner sidewall of the sub-joint.
5. The universal connection sealing joint as claimed in claim 1, wherein a third protruding ring is disposed outside the pipeline insertion groove, and a plurality of notches are disposed in parallel on the outer surface of the sidewall of the third protruding ring, so that the third protruding ring forms a hand wheel structure.
6. A residual vacuum test device for a sputum aspirator, which is characterized by comprising the universal connecting sealing joint as claimed in any one of claims 1-5, wherein the female joint of the universal connecting sealing joint is communicated with a pressure gauge through a pipeline.
7. The sputum aspirator residual vacuum testing device according to claim 6, wherein the pressure gauge comprises a digital display pressure difference meter and a U-shaped pressure difference meter, a three-way joint is arranged on a pipeline connected with the female joint, and three ports of the three-way joint are respectively communicated with the female joint, the digital display pressure difference meter and the U-shaped pressure difference meter.
8. The sputum aspirator residual vacuum test device according to claim 6 or 7, wherein the sub-connector is communicated with one end of the sputum aspirator, and the other end of the sputum aspirator is sequentially connected with a vacuum pump and a flow meter.
9. The sputum aspirator residual vacuum testing device of claim 8, wherein a vacuum control device is provided on the sputum aspirator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120495462.0U CN214911230U (en) | 2021-03-09 | 2021-03-09 | Universal vacuum test device for connecting sealing joint and sucking sputum tube residue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120495462.0U CN214911230U (en) | 2021-03-09 | 2021-03-09 | Universal vacuum test device for connecting sealing joint and sucking sputum tube residue |
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| CN214911230U true CN214911230U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120495462.0U Active CN214911230U (en) | 2021-03-09 | 2021-03-09 | Universal vacuum test device for connecting sealing joint and sucking sputum tube residue |
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| CN (1) | CN214911230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115153746B (en) * | 2022-06-21 | 2023-06-02 | 上海玮琅医疗科技有限公司 | Catheter adapter |
-
2021
- 2021-03-09 CN CN202120495462.0U patent/CN214911230U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115153746B (en) * | 2022-06-21 | 2023-06-02 | 上海玮琅医疗科技有限公司 | Catheter adapter |
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