CN107515085B - Air tightness detection device for drain pipe of washing machine - Google Patents
Air tightness detection device for drain pipe of washing machine Download PDFInfo
- Publication number
- CN107515085B CN107515085B CN201710878549.4A CN201710878549A CN107515085B CN 107515085 B CN107515085 B CN 107515085B CN 201710878549 A CN201710878549 A CN 201710878549A CN 107515085 B CN107515085 B CN 107515085B
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- China
- Prior art keywords
- washing machine
- drain pipe
- fluid valve
- detection device
- tightness detection
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- 238000005406 washing Methods 0.000 title claims abstract description 53
- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 239000012530 fluid Substances 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 230000009172 bursting Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to a washing machine drain pipe air tightness detection device, which comprises a workbench, an air source, a first fluid valve, a second fluid valve, a vacuum generator, a pressure sensor, a two-way valve, a hose seat, a plugging seat and an indicator lamp, wherein the workbench is provided with a first fluid valve and a second fluid valve; the drain pipe of the washing machine is arranged between the hose seat and the plug seat; the air source is connected with the vacuum generator through the first fluid valve and the second fluid valve, and the vacuum generator is connected with the pressure sensor and the hose seat; the pressure sensor is connected with the indicator lamp. The invention adopts a negative pressure mode to detect, and the detected drain pipe of the washing machine does not have the risk of bursting. And meanwhile, a plurality of drainage pipes are detected, so that the working efficiency can be improved.
Description
Technical Field
The invention relates to the technical field of pipeline air tightness detection, in particular to a washing machine drain pipe air tightness detection device.
Background
Most of washing machine drain pipes are folding flexible hoses, and the air tightness at the folding position is often poor due to the limitation of processing conditions, so that the washing machine drain pipes are required to be detected, and the washing machine drain pipes can be put into use after good air tightness is ensured. The inflation or water injection mode in the prior art may cause cracking due to excessive local pressure of the drain pipe, and has certain danger. The prior art can only detect one washing machine drain pipe at a time, and has low detection efficiency.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the air tightness detection device for the drain pipes of the washing machine, which adopts a negative pressure mode when detecting the drain pipes of the washing machine, does not have the risk of bursting, can detect a plurality of drain pipes at one time, and improves the working efficiency.
To achieve the purpose, the invention adopts the following technical scheme:
the invention has the beneficial effects that: the negative pressure is adopted for detection, and the detected drain pipe of the washing machine is free from the risk of bursting. And meanwhile, a plurality of drainage pipes are detected, so that the working efficiency can be improved. The detection device can be adjusted according to the length of the washing machine drain pipe, and is suitable for the washing machine drain pipes with different lengths.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic overall construction of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic diagram of another view of an embodiment of the present invention;
FIG. 4 is an enlarged partial view of portion A of FIG. 3;
FIG. 5 is an enlarged partial view of portion B of FIG. 3;
fig. 6 is a partial enlarged view of a portion C in fig. 3.
Wherein: the working table 1, the air source 2, the first fluid valve 3, the second fluid valve 4, the vacuum generator 5, the pressure sensor 6, the two-way valve 61, the hose seat 7, the interface 71, the plugging seat 8, the plug 81 and the indicator lamp 9.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1, the air tightness detection device for the drain pipe of the washing machine comprises a workbench 1, an air source 2, a first fluid valve 3, a second fluid valve 4, a vacuum generator 5, a pressure sensor 6, a two-way valve 61, a hose seat 7, a plug seat 8 and an indicator lamp 9;
the air source 2 is communicated with the triple piece to form a two-way air source; the first fluid valve 3 and the second fluid valve 4 are two-way valve bodies; the vacuum generator 5 is a three-way device;
the first fluid valve 3 and the second fluid valve 4 are arranged at two sides of the vacuum generator 5, and the vacuum generator 5 is respectively communicated with the first fluid valve 3, the second fluid valve 4 and the pressure sensor 6; the first fluid valve 3 and the second fluid valve 4 are respectively communicated with the air source 2; a two-way valve 61 is arranged at the joint of the vacuum generator 5 and the pressure sensor 6, and the other valve port of the two-way valve 61 is communicated with the hose seat 7; the plug seat 8 and the hose seat 7 are arranged in parallel;
one of the first fluid valves 3, one of the second fluid valves 4, one of the vacuum generators 5 and one of the pressure sensors 6 constitute a set of vacuum sets; the hose seat 7 is provided with a plurality of interfaces 71, and a plurality of groups of vacuum groups are respectively communicated with the interfaces 71; a plurality of vacuum groups are connected to the air source 2 in parallel; a plurality of plugs 81 are arranged on the plug seat 8, and the plugs 81 correspond to the interfaces 71;
the pressure sensor 6 is connected to the indicator light 9.
The vacuum generator 5 performs vacuumizing under the control of the first fluid valve 3 and the second fluid valve 4 respectively, and the pressure sensor 6 monitors the pressure difference between the air source 2 and the drain pipe of the washing machine to judge whether the air tightness of the drain pipe of the washing machine is good. The folding part of the drain pipe of the washing machine is easy to be damaged, so that the air tightness is poor, and the negative pressure is monitored, so that the drain pipe of the washing machine can be protected to a certain extent, and the collapse of the drain pipe of the washing machine is avoided. The parallel vacuum groups can detect the drain pipes of a plurality of washing machines at the same time, so that the detection speed is improved.
Further describing, the two sides of the workbench 1 are symmetrically provided with evenly distributed screw holes, and the plug seat 8 is fixed on the workbench 1 by screws.
The lengths of the drain pipes of the washing machine for different batches are different. The integral plugging seat 8 can translate on the workbench 1 and can adapt to the washing machine drain pipes with different lengths to adjust, so that the device can test the washing machine drain pipes with different lengths.
As further described, the plug 81 is made of a flexible material, which may be rubber, plastic or a flexible composite material.
The main function of the plug 81 is to plug into one end of the drain pipe of the washing machine, seal the drain pipe of the washing machine, the drain pipe of the washing machine is made of flexible materials, the plug also uses the flexible materials, the bonding degree of the drain pipe and the plug is better, the sealing effect is good, and the drain pipe of the washing machine cannot be damaged.
As a further illustration, the connections between the gas source 2, the first fluid valve 3, the second fluid valve 4, the vacuum generator 5 and the pressure sensor 6 all use hoses.
The internal connection pipe is also required to be airtight and easy to replace. Because the number of the connected first fluid valves 3, second fluid valves 4 and vacuum generators 5 is relatively large, the hose is more flexible, which facilitates the arrangement of the pipes.
To illustrate further, the indicator light 9 includes a red light 91 and a green light 92, and the switch of the red light 91 and the green light 92 is feedback controlled by the pressure sensor 6.
The lamps with two colors respectively show different detection results, the red lamp shows that the air tightness detection is unqualified, and the green lamp shows that the air tightness detection is qualified. The two lamps can obviously feed back the detection result, and are convenient for picking out unqualified products in the drain pipe of the washing machine.
To further illustrate, the interface 71 is in a shape of a circular truncated cone with a through hole at the center, and a surface of the interface 71 contacting the hose seat 7 is a larger surface of two bottom surfaces of the circular truncated cone.
The design of round platform shape can make the port of washing machine drain pipe and interface 71 closely laminate, guarantees that interface 71 and the junction gas tightness of washing machine drain pipe is good, avoids the detection error that causes when the evacuation.
To further illustrate, the plug 81 is in a shape of a truncated cone, and a surface of the plug 81 contacting the plug seat 8 is a larger surface of two bottom surfaces of the truncated cone.
The air tightness of the joint is good when the vacuum is pumped, the port of the drain pipe of the washing machine can be tightly attached to the plug 81 through the round table-shaped design, the air tightness of the joint of the plug 81 and the drain pipe of the washing machine is good, and detection errors caused when the vacuum is pumped are avoided.
Further, the number of the drain pipes of the washing machine, which are detected by the air tightness detection device of the drain pipe of the washing machine at the same time, is not more than 10.
Detecting excessive washing machine drain pipes at one time can lead to the effect of evacuation to be poor, possibly leads to the pressure in the washing machine drain pipes to be too little, is inconvenient to detect the pressure variation of each washing machine drain pipe. And also increases the workload of the vacuum generator 5.
To further illustrate, the interface 71 is disposed horizontally and the plug 81 is disposed vertically.
The arrangement can lead the drain pipe of the washing machine to have an angle of bending, which is beneficial to extending each folding position of the drain pipe of the washing machine, so that the air tightness detection is tighter.
Further illustratively, the interface 71 material is a metallic material.
Because the vacuum pressure at the interface 71 is relatively high, the metal material is selected to have better durability, and the service life of the device is prolonged.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (10)
1. The utility model provides a washing machine drain pipe gas tightness detection device which characterized in that: the device comprises a workbench, an air source, a first fluid valve, a second fluid valve, a vacuum generator, a pressure sensor, a two-way valve, a hose seat, a plugging seat and an indicator lamp;
the air source is communicated with the triple piece to form a two-way air source; the first fluid valve and the second fluid valve are two-way valve bodies; the vacuum generator is a three-way device;
the first fluid valve and the second fluid valve are arranged on two sides of the vacuum generator, and the vacuum generator is respectively communicated with the first fluid valve, the second fluid valve and the pressure sensor; the first fluid valve and the second fluid valve are respectively communicated with the air source; a two-way valve is arranged at the joint of the vacuum generator and the pressure sensor, and the other valve port of the two-way valve is communicated with the hose seat; the plugging seat and the hose seat are arranged in parallel;
one of the first fluid valves, one of the second fluid valves, one of the vacuum generators, and one of the pressure sensors form a set of vacuum sets; the hose seat is provided with a plurality of interfaces, and a plurality of groups of vacuum groups are respectively communicated with the interfaces; a plurality of vacuum groups are connected to the air source in parallel; the plugging seat is provided with a plurality of plugs, and the plugs correspond to the interfaces;
the pressure sensor is connected with the indicator lamp.
2. The air tightness detection device for a drain pipe of a washing machine according to claim 1, wherein: screw holes which are uniformly distributed are symmetrically arranged on two sides of the workbench, and the plug seat is fixed on the workbench by screws.
3. The air tightness detection device for a drain pipe of a washing machine according to claim 1, wherein: the plug is made of flexible materials, and can be made of rubber, plastic or flexible composite materials.
4. The air tightness detection device for a drain pipe of a washing machine according to claim 1, wherein: the connections between the air source, the first fluid valve, the second fluid valve, the vacuum generator and the pressure sensor all use hoses.
5. The air tightness detection device for a drain pipe of a washing machine according to claim 1, wherein: the indicator light comprises a red light and a green light, and the switch of the red light and the green light is feedback controlled by the pressure sensor.
6. The air tightness detection device for a drain pipe of a washing machine according to claim 1, wherein: the interface is in a truncated cone shape with a through hole in the center, and the surface of the interface, which is contacted with the hose seat, is the larger surface of the two bottom surfaces of the truncated cone.
7. The air tightness detection device for a drain pipe of a washing machine according to claim 1, wherein: the plug is in a round table shape, and the surface of the plug, which is contacted with the plug seat, is the larger surface of the two bottom surfaces of the round table.
8. The air tightness detection device for a drain pipe of a washing machine according to claim 1, wherein: the number of the drain pipes of the washing machine, which are detected by the air tightness detection device of the drain pipes of the washing machine at the same time, is not more than 10.
9. The air tightness detection device for a drain pipe of a washing machine according to claim 1, wherein: the interface is horizontally arranged, and the plug is vertically arranged.
10. The air tightness detection device for a drain pipe of a washing machine according to claim 1, wherein: the interface material is a metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710878549.4A CN107515085B (en) | 2017-09-26 | 2017-09-26 | Air tightness detection device for drain pipe of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710878549.4A CN107515085B (en) | 2017-09-26 | 2017-09-26 | Air tightness detection device for drain pipe of washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107515085A CN107515085A (en) | 2017-12-26 |
| CN107515085B true CN107515085B (en) | 2024-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710878549.4A Active CN107515085B (en) | 2017-09-26 | 2017-09-26 | Air tightness detection device for drain pipe of washing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN107515085B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101670943A (en) * | 2008-09-08 | 2010-03-17 | 北京银融科技有限责任公司 | Centralized control pipe transmission system and transmission method thereof |
| CN105067197A (en) * | 2015-08-03 | 2015-11-18 | 曲靖维拓科技有限公司 | Automobile intake pipe air tightness detection device and detection method |
| CN205038030U (en) * | 2015-09-29 | 2016-02-17 | 康奋威科技（杭州）有限公司 | Device for detecting air tightness of pipe fittings |
| CN207147732U (en) * | 2017-09-26 | 2018-03-27 | 安徽赛普塑料模具制造有限公司 | A kind of washing machine sewer pipe air-tightness detection device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040020269A1 (en) * | 2002-07-31 | 2004-02-05 | Michael Brewer | Pipeline leak- testing device |
| WO2015177780A1 (en) * | 2014-05-19 | 2015-11-26 | Hamut - Mechanics And Technology Compny Ltd | Fluid leakage detection system |
-
2017
- 2017-09-26 CN CN201710878549.4A patent/CN107515085B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101670943A (en) * | 2008-09-08 | 2010-03-17 | 北京银融科技有限责任公司 | Centralized control pipe transmission system and transmission method thereof |
| CN105067197A (en) * | 2015-08-03 | 2015-11-18 | 曲靖维拓科技有限公司 | Automobile intake pipe air tightness detection device and detection method |
| CN205038030U (en) * | 2015-09-29 | 2016-02-17 | 康奋威科技（杭州）有限公司 | Device for detecting air tightness of pipe fittings |
| CN207147732U (en) * | 2017-09-26 | 2018-03-27 | 安徽赛普塑料模具制造有限公司 | A kind of washing machine sewer pipe air-tightness detection device |
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| Publication number | Publication date |
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| CN107515085A (en) | 2017-12-26 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 243100 Dangtu Economic Development Zone, Ma'anshan City, Anhui Province Applicant after: Anhui Saipu Home Appliance Technology Co.,Ltd. Address before: 243100 Economic Development Zone in Ma'anshan, Anhui Province Applicant before: ANHUI SAIPU PLASTIC MOULD MANUFACTURING CO.,LTD. |
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| CB02 | Change of applicant information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240316 Address after: 528000, No. 15-3 Shilong Road Avenue, Lunjiao Yange Village Committee, De District, Foshan City, Guangdong Province Applicant after: Guangdong Saipu Intelligent Manufacturing Co.,Ltd. Country or region after: China Address before: 243100 Dangtu Economic Development Zone, Ma'anshan City, Anhui Province Applicant before: Anhui Saipu Home Appliance Technology Co.,Ltd. Country or region before: China |
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