CN215524966U - Simple air tightness testing device of puncture outfit - Google Patents
Simple air tightness testing device of puncture outfit Download PDFInfo
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- CN215524966U CN215524966U CN202121597670.8U CN202121597670U CN215524966U CN 215524966 U CN215524966 U CN 215524966U CN 202121597670 U CN202121597670 U CN 202121597670U CN 215524966 U CN215524966 U CN 215524966U
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- arm
- puncture outfit
- shaped pipe
- puncture
- sealing
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Abstract
The utility model discloses a simple air tightness testing device of a puncture outfit, which comprises a sealing cylinder (10) and a hydraulic indicating assembly (20), wherein the top and the upper side wall of the sealing cylinder are respectively provided with a sealing cover (11) and a first air vent (12), and the sealing cover is provided with a communicating hole for inserting the puncture outfit; the hydraulic indicating assembly comprises a U-shaped pipe (21) and an indicating buoy (22), the top of a first arm (211) of the U-shaped pipe is sealed, a second vent (213) communicated with the first vent is formed in the side face of the U-shaped pipe, the top of a second arm (212) of the U-shaped pipe is open, and the indicating buoy is arranged in the inner space of the second arm. According to the utility model, by utilizing the principle that the fluid pressure in the communicated pipeline is the same, the air tightness of the puncture outfit can be measured under the condition that the puncture outfit is not placed in water, and the test efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a simple air tightness testing device of a puncture outfit.
Background
The puncture outfit is widely applied to minimally invasive surgery as a minimally invasive surgical instrument.
The air tightness testing machine is also called an air tightness detection testing machine, is equipment widely applied to air tightness tests of various sealing elements such as a faucet cavity, an automobile cylinder body, a piston cavity, a bent pipe cavity, a pressure gauge, an air storage tank and the like, can be used for production type batch tests, and can also be used for spot check or laboratory use.
However, the conventional air tightness detecting device has some disadvantages in use, such as:
the puncture outfit industry standard has corresponding regulations: after the puncture outfit is injected to a certain air pressure, the puncture outfit needs to be placed in water to determine whether air leaks. For example: the specification of YY0672.1-2008 in 5.4.1 and 5.5.1 is to close the gas injection valve of the puncture outfit, block the gas hole at the tail end of the puncture outfit, then inject 4KPa pressure gas from the head end of the puncture outfit, immerse the puncture outfit in water for 1min, and no gas leakage is needed. But according to the actual situation of the current production, the product needs to be measured for airtightness by 100 percent to evaluate the overall quality of the product. And thus there is a problem that the water-soaked puncture instrument needs to be dried, resulting in a problem that the puncture instrument having been tested for airtightness needs to be further dried.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a simple air tightness testing device of a puncture outfit, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a simple air tightness testing device of a puncture outfit comprises a sealing cylinder and a hydraulic indicating component, wherein a sealing cover and a first air vent are respectively arranged on the top and the upper side wall of the sealing cylinder, and a communicating hole for inserting the puncture outfit is arranged on the sealing cover; the hydraulic indicating assembly comprises a U-shaped pipe and an indicating buoy, the top of a first arm of the U-shaped pipe is sealed, a second vent communicated with the first vent is formed in the side face of the U-shaped pipe, the top of a second arm of the U-shaped pipe is open, and the indicating buoy is arranged in the inner space of the second arm.
Further, the surface of the sealing cover is provided with a plurality of connecting holes with different specifications for connecting puncture outfits with different diameters.
Further, a rubber plug for sealing is arranged on the connecting hole.
Further, the U-shaped pipe is internally provided with liquid, and the liquid level of the liquid is based on that the indicating buoy can be supported to be exposed out of the top of the second arm.
Further, the liquid is water.
Further, first arm top is provided with fluid infusion mouth, and fluid infusion mouth is provided with the rubber buffer.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, by utilizing the principle that the fluid pressure in the communicated pipeline is the same, the air tightness of the puncture outfit can be measured under the condition that the puncture outfit is not placed in water, so that the links of carrying out immersion test and drying on the puncture outfit in the production process are reduced, and the test and production cost is saved; in addition, the utility model has simple structure and low manufacturing and using cost.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
FIG. 2 is a schematic view of a sealing cap according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a rubber stopper according to an embodiment of the present invention.
In the figure: 10-a sealing barrel, 11-a sealing cover, 111-a first connecting hole, 112-a second connecting hole, 113-a third connecting hole, 114-a fourth connecting hole, 115-a rubber plug, 12-a first vent; 20-hydraulic indicating assembly, 21-U-shaped tube, 211-first arm, 212-second arm, 213-second vent, 214-fluid infusion port, 22-indicating buoy.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 3 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the simple air tightness testing device for the puncture outfit of the present invention comprises a sealing cylinder 10 and a hydraulic indicating component 20, wherein the top and upper side walls of the sealing cylinder 10 are respectively provided with a sealing cover 11 and a first vent 12, and the sealing cover 11 is provided with a communication hole for inserting the puncture outfit; the hydraulic indicating assembly 20 comprises a U-shaped pipe 21 and an indicating buoy 22, wherein the U-shaped pipe 21 is in a U shape and is provided with two cylindrical straight arms and an arc-shaped bent arm, the top of a first arm 211 of the U-shaped pipe 21 is sealed, a second air vent 213 communicated with the first air vent 12 is formed in the side face of the first arm, the top of a second arm 212 of the U-shaped pipe 21 is opened, and the indicating buoy 22 is arranged in the inner space of the second arm 212.
When the air tightness detection of the puncture outfit is carried out, the sealing barrel 10 is in a sealing state, at the moment, the sealing cover 11 is tightly sealed at the top of the sealing barrel 10, 4kPa compressed gas is introduced into the puncture outfit, if the air tightness of the puncture outfit is not good, leakage can occur, the leaked gas enters the sealing barrel 10, so that the air pressure in the sealing barrel 10 is increased, the change of the air pressure enters the U-shaped pipe 21 through the first vent 12 and the second vent 213, the liquid level of the second arm 212 is raised due to the conduction effect of liquid on the pressure, the indication buoy 22 is lifted, and a detector judges whether the air tightness parameter of the detected puncture outfit is qualified or not according to the position change of the indication buoy 22.
As shown in fig. 2, in order to enable the simple air tightness testing device of the same puncture outfit to detect puncture outfits with different specifications, a plurality of connecting holes with different specifications are arranged on the surface of the sealing cover 11 for connecting puncture outfits with different diameters, for example, the first connecting hole 111 corresponds to a puncture outfit with 5mm, the second connecting hole 112 corresponds to a puncture outfit with 10mm, the third connecting hole 113 corresponds to a puncture outfit with 12mm, and the fourth connecting hole 114 corresponds to a puncture outfit with 15 mm.
A rubber stopper 115 for sealing is provided in the connecting hole. The rubber stopper 115 can have various forms, fig. 3 shows one of the rubber stoppers 115 capable of being quickly inserted and extracted, the rubber stopper 115 comprises a sealing post 1151, a projection 1152 and a pressing plane 1153, the elastic sealing post 1151 is tightly inserted into the connecting hole, the projection 1152 is used for an operator to quickly pull out the sealing post 1151 from the connecting hole, and the pressing plane 1153 is used for the operator to quickly press the sealing post 1151 into the connecting hole.
The U-shaped tube 21 contains a liquid, which may be water or another type of liquid such as kerosene or alcohol, at a level that supports the indicating float 22 so that the top of the second arm 212 is exposed.
Liquid stored in the U-shaped tube 21 is volatilized after being used for a period of time, so that the liquid level is lowered, in order to maintain the liquid level in the U-shaped tube 21 conveniently, the liquid replenishing port 214 is arranged at the top of the first arm 211, the rubber plug 115 is arranged on the liquid replenishing port 214, the liquid replenishing port 214 is closed at ordinary times, when the liquid needs to be replenished, the rubber plug 115 can be pulled out, and the U-shaped tube 21 can be replenished with corresponding liquid quickly.
The typical working process of the utility model is described as follows: when in use, the puncture outfit with the blocked tail end is arranged in connecting holes (111,112,113,114) with corresponding diameter specifications on the sealing cover 11, the other connecting holes are sealed by rubber plugs 115 with corresponding specifications, 4KPa pressure gas is filled at the head end of the puncture outfit, whether the indication buoy 22 rises or not is observed after 1 minute, and if the indication buoy 22 does not change, the air tightness of the puncture outfit is qualified; if the float 22 is indicated to be raised, the airtightness of the puncture instrument is passed.
The utility model can measure the air tightness of the product under the condition of not placing the puncture outfit in water by utilizing the principle that the fluid pressure in the communicated pipelines is the same, thereby saving the test cost.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The simple air tightness testing device of the puncture outfit is characterized by comprising a sealing cylinder (10) and a hydraulic indicating assembly (20), wherein the top and the upper side wall of the sealing cylinder (10) are respectively provided with a sealing cover (11) and a first air vent (12), and the sealing cover (11) is provided with a communicating hole for inserting the puncture outfit; the hydraulic indicating assembly (20) comprises a U-shaped pipe (21) and an indicating buoy (22), the top of a first arm (211) of the U-shaped pipe (21) is sealed, a second vent hole (213) communicated with the first vent hole (12) is formed in the side face of the U-shaped pipe, the top of a second arm (212) of the U-shaped pipe (21) is open, and the indicating buoy (22) is arranged in the inner space of the second arm (212).
2. The simple airtightness testing apparatus for a puncture instrument according to claim 1, wherein the sealing cap (11) is provided at its surface with a plurality of coupling holes (111,112,113,114) of different specifications for coupling puncture instruments of different diameters.
3. The simple airtightness testing apparatus for a puncture instrument according to claim 2, wherein: rubber stoppers (115) for sealing are arranged on the connecting holes (111,112,113, 114).
4. The simple airtightness testing apparatus for a puncture instrument according to claim 1, wherein: the U-shaped tube (21) contains liquid, and the liquid level of the liquid is based on that the indicating buoy (22) can be supported to expose the top of the second arm (212).
5. The simple airtightness testing apparatus for a puncture instrument according to claim 4, wherein: the liquid is water.
6. The simple airtightness testing apparatus for a puncture instrument according to any one of claims 1 to 5, wherein: first arm (211) top is provided with fluid infusion mouth (214), and fluid infusion mouth (214) are provided with rubber buffer (115).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121597670.8U CN215524966U (en) | 2021-07-14 | 2021-07-14 | Simple air tightness testing device of puncture outfit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121597670.8U CN215524966U (en) | 2021-07-14 | 2021-07-14 | Simple air tightness testing device of puncture outfit |
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| Publication Number | Publication Date |
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| CN215524966U true CN215524966U (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121597670.8U Active CN215524966U (en) | 2021-07-14 | 2021-07-14 | Simple air tightness testing device of puncture outfit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115200795A (en) * | 2022-09-15 | 2022-10-18 | 江苏奥普莱医疗用品有限公司 | Puncture outfit air tightness detection device and detection method |
| CN116296095A (en) * | 2023-02-24 | 2023-06-23 | 苏州苏大卫生与环境技术研究所有限公司 | Detection device of medical backflow-preventing water delivery connector |
-
2021
- 2021-07-14 CN CN202121597670.8U patent/CN215524966U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115200795A (en) * | 2022-09-15 | 2022-10-18 | 江苏奥普莱医疗用品有限公司 | Puncture outfit air tightness detection device and detection method |
| CN116296095A (en) * | 2023-02-24 | 2023-06-23 | 苏州苏大卫生与环境技术研究所有限公司 | Detection device of medical backflow-preventing water delivery connector |
| CN116296095B (en) * | 2023-02-24 | 2023-11-14 | 苏州苏大卫生与环境技术研究所有限公司 | Detection device of medical backflow-preventing water delivery connector |
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