CN218823046U - Composite hose gas tightness detection device - Google Patents
Composite hose gas tightness detection device Download PDFInfo
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- CN218823046U CN218823046U CN202223485041.3U CN202223485041U CN218823046U CN 218823046 U CN218823046 U CN 218823046U CN 202223485041 U CN202223485041 U CN 202223485041U CN 218823046 U CN218823046 U CN 218823046U
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Abstract
The utility model relates to a hose technical field, concretely relates to compound hose gas tightness detection device, include: the air source, the first switch valve and the one-way valve are connected through a pipeline, a first shunt, a second switch valve and a second shunt are arranged at intervals at one end of the one-way valve far away from the first switch valve, and an air storage tank body is arranged at one end of the second shunt far away from the second switch valve; the outer side annular array of the first shunt is connected with a plurality of test tube assemblies, pressure measuring tubes are connected between the test tube assemblies and the second shunt respectively, and differential pressure sensors are arranged on the pressure measuring tubes respectively. The utility model discloses rational in infrastructure, the outer end of test tube subassembly is connected with the compound hose that awaits measuring respectively and is full of gas, measures the inner chamber of the gas holder body and the compound hose that awaits measuring through differential pressure sensor and whether has the pressure differential to judge the gas tightness of compound hose, improve work efficiency, reduce intensity of labour.
Description
Technical Field
The utility model relates to a compound hose processing technology field especially relates to a compound hose gas tightness detection device.
Background
Along with the continuous improvement of living standard, people pay more and more attention to the packing of articles for daily use, in the life, articles for daily use such as toothpaste are indispensable, and compound hose can be used for packing toothpaste. Before the composite hose leaves a factory, hose air tightness detection equipment is required to be used for air tightness detection, the detection mode is usually adopted and is that two ends of the composite hose to be detected are plugged, then the composite hose is immersed in water, then gas is filled in the composite hose to increase the air pressure in the composite hose, whether bubbles are generated on the surface of the hose is observed through naked eyes, and the air tightness performance of the composite hose can be reflected more visually.
In view of the above-mentioned related technologies, the inventor finds that observing whether bubbles emerge from the surface of the composite hose by using eyes for a long time is easy to cause fatigue to the eyes, and is easy to cause misjudgment, so that the detection accuracy is reduced, and meanwhile, the eyes can only look at one composite hose to observe whether bubbles emerge each time, so that the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a composite hose gas tightness detection device, and the outer end of a plurality of test tube subassemblies is connected with the composite hose that awaits measuring respectively to be full of gas in the composite hose, whether there is pressure differential in the inner chamber that measures the gas holder body and await measuring composite hose through differential pressure sensor, thereby judge composite hose's gas tightness, improved work efficiency, reduced intensity of labour.
In order to solve the technical problem, the utility model discloses a technical scheme be: provided is a composite hose airtightness detection apparatus, including: the air source, the first switch valve and the one-way valve are connected through a pipeline, a first flow divider, a second switch valve and a second flow divider are arranged at one end of the one-way valve, which is far away from the first switch valve, at intervals, the one-way valve, the first flow divider, the second switch valve and the second flow divider are sequentially connected through a pipeline, an air storage tank body is arranged at one end of the second flow divider, which is far away from the second switch valve, and the air storage tank body is connected with the second flow divider through a pipeline;
the outer side of the first shunt is connected with a plurality of test tube assemblies in an annular array mode, pressure measuring tubes are connected between the test tube assemblies and the second shunt respectively, and differential pressure sensors are arranged on the pressure measuring tubes respectively;
the test tube assembly comprises an L-shaped tube and a third switch valve arranged on the L-shaped tube, the outer end of the L-shaped tube is connected with a plug, and the joint of the pressure measuring tube and the L-shaped tube is located between the third switch valve and the plug.
By adopting the technical scheme, the outer end of the testing pipe assembly is respectively connected with the composite hose to be tested for tightness, one end of the composite hose far away from the testing pipe assembly is sealed, gas in a gas source is input into the gas storage tank through the first switch valve, the one-way valve, the first flow divider, the second switch valve and the second flow divider, the gas passing through the first flow divider is simultaneously input into the testing pipe assembly and then flows into the composite hose to be tested, namely, the gas pressure in the composite hose is equal to the gas pressure in the gas storage tank, at the moment, the first switch valve, the second switch valve and the third switch valve are respectively closed, after a period of time, whether a differential pressure sensor has a difference value is observed, when the differential pressure sensor displays a certain pressure difference value, the gas in the composite hose to be tested leaks, the gas tightness of the composite hose is poor, when the pressure difference value displayed on the differential pressure sensor is zero, the gas pressure in the composite hose to be tested is equal to the gas pressure in the gas storage tank, the gas tightness of the composite hose is strong, and the gas tightness of a plurality of the composite hoses can be tested simultaneously, the working efficiency is improved without excessive labor intervention of workers.
The present invention may be further configured in a preferred embodiment as: the first shunt comprises a first round pipe with two sealed ends, the outer circular array of the first round pipe is provided with first round holes with the same number as the test pipe assemblies, and the first round holes are connected with one end of the L-shaped pipe.
By adopting the technical scheme, the gas entering the first round pipe is respectively input into the corresponding test pipe assembly and the composite hose through the first round pipe, so that the purpose of shunting is achieved.
The present invention may be further configured in a preferred embodiment as: the second shunt comprises a second round pipe with two sealed ends, round holes two equal in number to the test pipe assemblies are formed in the outer circular array of the second round pipe, and the round holes two are connected with one end of the pressure measuring pipe.
Through adopting above-mentioned technical scheme, through the setting of round hole two for differential pressure sensor can test the gas pressure in the gas holder.
The present invention may be further configured in a preferred embodiment as: the gas storage tank body comprises a gas storage pipe and sealing plates connected to two ends of the gas storage pipe.
By adopting the technical scheme, the gas of the gas source enters the gas storage pipe, the gas is stored in the gas storage pipe without leaking to the outside by using the sealing plate, and the gas pressure in the gas storage pipe is equal to the gas pressure in the second flow divider.
The present invention may be further configured in a preferred embodiment as: the air source comprises an air bag and an air pump, the air outlet of the air pump is connected with the air bag through a pipeline, and the air bag is connected with a pressure gauge.
By adopting the technical scheme, the air pump works to fill air into the air bag, the pressure gauge measures the air pressure in the air bag, so that whether the air pump continues to work is determined, and the air in the air bag flows into the air storage tank body and the composite hose to be tested.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the outer end of the testing pipe assembly is connected with the composite hose to be tested for tightness, one end, far away from the testing pipe assembly, of the composite hose is sealed, gas of a gas source is filled into the gas storage tank body and the composite hose to be tested respectively, whether a differential pressure value is displayed on the differential pressure sensor or not is observed, a certain differential pressure value is displayed on the differential pressure sensor, the fact that the air tightness of the composite hose is poor is determined, when the differential pressure value displayed on the differential pressure sensor is zero, the fact that the composite hose has strong air tightness is determined, excessive intervention of workers is not needed, and labor intensity is reduced.
2. The outer ends of the test tube assemblies are respectively connected with the composite hoses to be tested, so that the air tightness of the composite hoses can be tested simultaneously, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural diagram of a preferred embodiment of the composite hose air-tightness detection device of the present invention.
Fig. 2 is a schematic structural diagram of the first shunt in fig. 1.
Fig. 3 is a schematic structural diagram of the second shunt in fig. 1.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for purposes of illustration and explanation only and are not intended to limit the invention.
It should be noted that these drawings are simplified schematic views, and the basic structure of the present invention is described only in a schematic manner, and therefore, only the configuration related to the present invention is shown.
Referring to fig. 1, do the utility model discloses a composite hose gas tightness detection device, include: air supply 10 and check valve 2, be equipped with ooff valve 3 between air supply 10 and the check valve 2, air supply 10, through the pipe connection between ooff valve 3 and the check valve 2, the one end interval that the check valve 2 kept away from ooff valve 3 is equipped with first shunt 40, ooff valve two 5 and second shunt 60, loop through the pipe connection between check valve 2, first shunt 40, ooff valve two 5 and the second shunt 60, the one end that the second shunt 60 kept away from ooff valve two 5 is equipped with the gas holder body 70, the gas holder body 70 includes gas storage pipe 71 and the closing plate 72 of connection at gas storage pipe 71 both ends, the gas holder body 70 passes through the pipeline and is connected with second shunt 60.
Referring to fig. 1, a plurality of test tube assemblies 80 are connected to the outer annular array of the first shunt 40, pressure measurement tubes 9 are respectively connected between the test tube assemblies 80 and the second shunt 60, and differential pressure sensors 11 are respectively arranged on the pressure measurement tubes; the test tube assembly 80 comprises an L-shaped tube 81 and a three switch valve 82 arranged on the L-shaped tube 81, the outer end of the L-shaped tube 81 is connected with a plug 83, the joint of the pressure measuring tube 9 and the L-shaped tube 81 is positioned between the three switch valve 82 and the plug 83, and the composite hose to be tested is detachably connected with the L-shaped tube 81 through the plug 83.
Referring to fig. 2, the first shunt 40 includes a first circular tube 41 with two sealed ends, the outer circular array of the first circular tube 41 is provided with a number of first circular holes 42 equal to the number of the test tube assemblies 80, and the first circular holes 42 are connected to one end of the L-shaped tube 81.
Referring to fig. 3, the second flow divider 60 includes a second circular tube 61 with two sealed ends, the outer circular array of the second circular tube 61 is provided with a second circular hole 62 with the same number as the test tube assemblies 80, and the second circular hole 62 is connected with one end of the pressure measurement tube 9.
Referring to fig. 1, the air source 10 includes an air bag 12 and an air pump 13, an air outlet of the air pump 13 is connected to the air bag 12 through a pipe, and a pressure gauge 14 is connected to the air bag 11.
The implementation principle of the embodiment is as follows: when the device is used, the plug-in connectors 83 on the testing tube assembly 80 are respectively connected with the composite hoses to be tested for tightness, one end of each composite hose, which is far away from the testing tube assembly 80, is plugged by a sealing head, the air pump 13 of the air source 10 works to fill air into the air bag 12, the air pump 13 is closed after the pressure value displayed by the pressure gauge 14 is observed to reach a certain value, the air in the air bag 12 is input into the air storage tank body 70 through the switch valve I3, the one-way valve 2, the first flow divider 40, the switch valve II 5 and the second flow divider 60, the air passing through the first flow divider 40 is simultaneously input into the testing tube assembly 80 and then flows into the composite hoses to be tested, namely, the air pressure in the composite hoses is equal to the air pressure in the air storage tank body 70, at this time, the first switch valve 3, the second switch valve 5 and the third switch valve 82 are operated to be respectively closed, after a period of time, whether a differential pressure sensor has a difference value or not is observed, when a certain pressure difference value is displayed on the differential pressure sensor 11, it is indicated that gas in the composite hose to be tested leaks, the air tightness of the composite hose is poor, when the pressure difference value displayed on the differential pressure sensor 11 is zero, it is indicated that the gas pressure in the composite hose to be tested is equal to the gas pressure in the gas storage tank body 70, the air tightness of the composite hose is strong, the air tightness of a plurality of composite hoses can be tested simultaneously, the working efficiency is improved, excessive intervention of workers is not needed, and the labor intensity is reduced.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (5)
1. The utility model provides a compound hose gas tightness detection device which characterized in that includes: the air source, the first switch valve and the one-way valve are connected through a pipeline, a first flow divider, a second switch valve and a second flow divider are arranged at one end of the one-way valve, which is far away from the first switch valve, at intervals, the one-way valve, the first flow divider, the second switch valve and the second flow divider are sequentially connected through a pipeline, an air storage tank body is arranged at one end of the second flow divider, which is far away from the second switch valve, and the air storage tank body is connected with the second flow divider through a pipeline;
the outer side of the first shunt is connected with a plurality of test tube assemblies in an annular array mode, pressure measuring tubes are connected between the test tube assemblies and the second shunt respectively, and differential pressure sensors are arranged on the pressure measuring tubes respectively;
the test tube assembly comprises an L-shaped tube and a third switch valve arranged on the L-shaped tube, the outer end of the L-shaped tube is connected with a plug, and the joint of the pressure measuring tube and the L-shaped tube is located between the third switch valve and the plug.
2. The composite hose air tightness detection device according to claim 1, wherein the first shunt comprises a first circular tube with two sealed ends, the outer circular array of the first circular tube is provided with a number of first circular holes equal to the number of the test tube assemblies, and the first circular holes are connected with one end of the L-shaped tube.
3. The composite hose air tightness detection device according to claim 1, wherein the second flow divider comprises a second circular tube with two sealed ends, the second circular tube is provided with a second circular hole with the number equal to that of the test tube assemblies in an outer circular array, and the second circular hole is connected with one end of the pressure measuring tube.
4. The apparatus of claim 1, wherein the gas tank body comprises a gas storage tube and sealing plates connected to both ends of the gas storage tube.
5. The composite hose air tightness detection device according to claim 1, wherein the air source comprises an air bag and an air pump, an air outlet of the air pump is connected with the air bag through a pipeline, and the air bag is connected with a pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223485041.3U CN218823046U (en) | 2022-12-27 | 2022-12-27 | Composite hose gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223485041.3U CN218823046U (en) | 2022-12-27 | 2022-12-27 | Composite hose gas tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218823046U true CN218823046U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223485041.3U Active CN218823046U (en) | 2022-12-27 | 2022-12-27 | Composite hose gas tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218823046U (en) |
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2022
- 2022-12-27 CN CN202223485041.3U patent/CN218823046U/en active Active
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