CN219474893U - Water pump tightness detection device - Google Patents
Water pump tightness detection device Download PDFInfo
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- CN219474893U CN219474893U CN202320573491.3U CN202320573491U CN219474893U CN 219474893 U CN219474893 U CN 219474893U CN 202320573491 U CN202320573491 U CN 202320573491U CN 219474893 U CN219474893 U CN 219474893U
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- water pump
- air inlet
- detection device
- tightness detection
- end cavity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a water pump tightness detection device, which comprises a bottom plate, a water pump, a positioning assembly, a pressing block assembly, an air inlet cylinder and a plugging device, wherein the water pump is placed on the bottom plate and is provided with a shaft end cavity and a front end cavity which are mutually independent, the pressing block assembly is used for positioning the water pump, the air inlet cylinder is positioned on the lower surface of the bottom plate and is communicated with the shaft end cavity of the water pump, the plugging device is positioned on the upper surface of the bottom plate and is used for plugging the front end cavity of the water pump, a first air inlet hole is formed in the air inlet cylinder and is communicated with the shaft end cavity, a second air inlet hole is formed in the plug assembly and is communicated with the front end cavity, and the air tightness detection assemblies are respectively connected to the first air inlet hole and the second air inlet hole in sequence and comprise an air source, a pressure reducing valve, an air passage switch and a pressure transmitter which are sequentially connected. According to the utility model, the shaft end cavity and the front end cavity are respectively sealed, and the air tightness of each cavity is rapidly detected by inflating the shaft end cavity and the front end cavity through the two air inlets.
Description
Technical Field
The utility model relates to a sealing detection device, in particular to a water pump sealing detection device.
Background
At present, the tightness detection of the water pump mainly relies on blocking each air inlet and outlet, one of the air inlet channels is blocked, the air inlet channels are reserved, products are flushed into set air pressure through the channels and put into water, whether the tightness of the water pump is qualified or not is judged by observing air bubbles, because the water pump is provided with two cavities, the method is easy to misjudge and is not easy to analyze reasons of unqualified products, in addition, when the water pump is large in batches, the water pump is required to be dried after being detected in a water detection mode, the air drying is carried out, the efficiency of the air drying is low, and the quality of the products is influenced.
Therefore, considering that the tightness of the water pump is detected in an air detection mode, the prior art (CN 114812956A) discloses a water pump sealing detection platform for an automobile, which comprises a water pump sealing detection operation platform body, compression driving equipment, an automobile water pump body and a detection sealing water pump, wherein a plurality of compression driving equipment are arranged at the top end of the water pump sealing detection operation platform body, an arc compression block is arranged at the output end of the compression driving equipment, an automobile water pump positioning plate is arranged at the top end of the water pump sealing detection operation platform body, the top end of the automobile water pump positioning plate is provided with the automobile water pump body, one end of the water pump sealing detection operation platform body is provided with a first fixing plate through a bolt, a first cylinder is arranged in the first fixing plate, and one end, close to the first fixing plate, of the water pump sealing detection operation platform body is provided with a first fixing plate through a bolt; by adopting the technical scheme, the position of the input port of the automobile water pump body is fixed through the clamping mechanism, and then the effects of rapid clamping and positioning are achieved. However, the prior art is complicated in structure and cannot complete detection of the water pump with 2 cavities.
Therefore, there is a need to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to: the utility model aims to provide a water pump tightness detection device which aims at a water pump with two cavities and has high detection efficiency.
The technical scheme is as follows: in order to achieve the above purpose, the utility model discloses a water pump tightness detection device, which comprises a bottom plate, a water pump, a positioning component, a pressing block component, an air inlet cylinder and a plugging device, wherein the water pump is placed on the bottom plate and is provided with a shaft end cavity and a front end cavity which are mutually independent, the positioning component is used for positioning the water pump, the pressing block component is used for pressing the water pump, the air inlet cylinder is positioned on the lower surface of the bottom plate and is communicated with the shaft end cavity of the water pump, the plugging device is positioned on the upper surface of the bottom plate and is used for plugging the front end cavity of the water pump, a first air inlet hole is formed in the air inlet cylinder and is communicated with the shaft end cavity, a second air inlet hole is formed in the plugging component and is communicated with the front end cavity, and the air tightness detection components are respectively connected to the first air inlet hole and the second air inlet hole in sequence and comprise an air source, a pressure reducing valve, an air passage switch and a pressure transmitter which are sequentially connected to each other.
The plugging device comprises a first plug assembly for plugging the water inlet pipe, a second plug assembly for plugging the water outlet pipe and a third plug assembly for plugging the pressure relief valve pipe, wherein the first plug assembly, the second plug assembly and the third plug assembly comprise a bracket connected with a bottom plate, a cylinder arranged on the bracket and a plug connected with an output shaft of the cylinder.
Preferably, the second air inlet is formed in a plug of the first plug assembly, the second plug assembly or the third plug assembly, and an air inlet channel communicated with the front end cavity is formed in the plug.
Furthermore, the positioning assembly comprises a positioning round pin matched with the first part hole of the water pump, a positioning edge pin matched with the second part hole of the water pump, a first positioning boss contacted with the first plane of the water pump and a second positioning boss contacted with the second plane of the water pump.
Further, the briquetting subassembly is the rotatory cylinder that pushes down of clamp plate formula that 2 interval arranged.
Preferably, the bottom plate is provided with a through hole for placing the water pump shaft end shell, and the water pump shaft end shell penetrates through the through hole and stretches into the air inlet cylinder to be in sealing connection with the air inlet cylinder.
Furthermore, a sealing ring which is contacted with the inner wall of the air inlet cylinder is arranged on the outer wall of the water pump shaft end shell.
Preferably, the outer wall of the water pump shaft end shell is provided with a vent hole communicated with the shaft end cavity.
Furthermore, the air inlet cylinder and the through hole are coaxially arranged.
Further, the air passage switch is an electromagnetic valve switch.
The beneficial effects are that: compared with the prior art, the utility model has the following advantages: firstly, the air tightness of each cavity is rapidly detected by respectively sealing the cavity at the shaft end and the cavity at the front end and inflating the cavity at the shaft end and the cavity at the front end through two air inlets; secondly, the contact area between the positioning edge pin and the second part hole of the water pump can be reduced by utilizing the arrangement of the positioning edge pin, so that the positioning error of the water pump can be conveniently adjusted, and the universality of the device is improved; finally, the positioning boss is convenient to enhance the stability of the water pump when the water pump is positioned.
Drawings
FIG. 1 is a schematic diagram of a water pump according to the present utility model;
FIG. 2 is a schematic diagram of a second embodiment of the present utility model with a water pump;
FIG. 3 is a schematic diagram of a third embodiment of the present utility model with a water pump;
FIG. 4 is a schematic illustration of the water pump of the present utility model with the water pump removed;
fig. 5 is a schematic structural view of a water pump according to the present utility model.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the water pump tightness detection device of the utility model comprises a bottom plate 1, a water pump 2, a positioning assembly, a pressing block assembly, an air inlet cylinder 3, a plugging device and an air tightness detection assembly, wherein the pressing block assembly is formed by 2 pressing plate type rotary pressing cylinders 14 which are arranged at intervals.
As shown in fig. 5, the water pump 2 has a shaft end cavity and a front end cavity which are independent of each other, the water pump 2 comprises a water inlet pipe 201, a water outlet pipe 202, a pressure relief valve pipe 203, a first part hole 204, a second part hole 205, a first plane 206, a second plane 207, a water pump shaft end shell 208 and a sealing ring 209, the water inlet pipe 201, the water outlet pipe 202 and the pressure relief valve pipe 203 are communicated with the front end cavity, and a vent hole 210 communicated with the shaft end cavity is formed in the outer wall of the water pump shaft end shell 208.
As shown in fig. 4, the bottom plate 1 is provided with a through hole 101 for placing the water pump shaft end shell 208, the air inlet cylinder 3 is of an open cylinder structure, the air inlet cylinder 3 is connected with the lower surface of the bottom plate through bolts, and an opening of the air inlet cylinder 3 is coaxially arranged with the through hole 101. The water pump shaft end shell 208 penetrates through the through hole 101 and stretches into the air inlet cylinder 3, the sealing ring 209 is sleeved on the outer wall of the water pump shaft end shell 208, and the sealing ring 209 is in contact with the inner wall of the air inlet cylinder to realize sealing connection with the air inlet cylinder 3. The air inlet cylinder 3 is provided with a first air inlet hole 4, and the first air inlet hole 4 is communicated with the shaft end cavity through an air vent 210; the first air inlet hole 4 is connected with an airtight detection component, and the airtight detection component comprises an air source, a pressure reducing valve, an air passage switch and a pressure transmitter which are sequentially connected, wherein the air passage switch can be an electromagnetic valve switch. The gas of the gas source is conveyed to the first gas inlet hole 4 through a pipeline, enters the gas inlet cylinder 3 and enters the shaft end cavity through the vent hole 210.
The plugging device comprises a first plug assembly 6, a second plug assembly 7 and a third plug assembly 8, wherein the first plug assembly 6 is used for plugging a water inlet pipe 201, the second plug assembly 7 is used for plugging a water outlet pipe 202, the third plug assembly 8 is used for plugging a pressure release valve pipe 203, and the first plug assembly 6, the second plug assembly 7 and the third plug assembly 8 comprise a bracket connected with a bottom plate 1, a cylinder arranged on the bracket and a plug connected with an output shaft of the cylinder. The second air inlet hole 5 is communicated with the front end cavity, the second air inlet hole 5 is formed in a plug of the first plug assembly 6, the second plug assembly 7 or the third plug assembly 8, as shown in fig. 2, the second air inlet hole 5 is formed in a plug of the second plug assembly 7, an air inlet channel 9 communicated with the front end cavity is formed in the plug, the second air inlet hole 5 is connected with an airtight detection assembly, the airtight detection assembly comprises an air source, a pressure reducing valve, an air passage switch and a pressure transmitter, which are sequentially connected, and the air passage switch can be an electromagnetic valve switch. The gas of the gas source is conveyed to the second gas inlet hole 5 through a pipeline, enters the plug, enters the water outlet pipe 202 through the gas inlet channel 9, and then enters the shaft end cavity.
The positioning assembly comprises a positioning round pin 10, a positioning edge pin 11, a first positioning boss 12 and a second positioning boss 13, wherein the positioning round pin 10 is positioned on the bottom plate 1, and the positioning round pin 10 is matched with a first part hole 204 of the water pump; the positioning edge pin 11 is located on the bottom plate 1, the positioning edge pin 11 is matched with the second part hole 205 of the water pump, the contact area between the positioning edge pin and the second part hole of the water pump can be reduced due to the arrangement of the positioning edge pin, the positioning error of the water pump can be conveniently adjusted, and the universality of the device is improved. The first positioning boss 12 and the second positioning boss 13 are positioned on the bottom plate 1 at intervals, the first positioning boss 12 is contacted with the first plane 206 of the water pump, and the second positioning boss 13 is contacted with the second plane 207 of the water pump, so that stability of the water pump is enhanced when the water pump is positioned.
The water pump 2 is placed on a bottom plate, the first positioning boss 12 and the second positioning boss 13 are in plane contact with the water pump 2, the water pump is positioned through the positioning round pin 10 and the positioning edge pin 11, the water pump shaft end shell 208 stretches into the air inlet cylinder 3, and the sealing of the shaft end cavity is realized; the two groups of pressing plate type rotary pressing cylinders press the water pump, the first plug assembly 6 seals the water inlet pipe 201, the second plug assembly 7 seals the water outlet pipe 202, and the third plug assembly 8 seals the pressure release valve pipe 203, so that the front end cavity is sealed; after sealing is finished, a solenoid valve switch is turned on, the pressure transmitter is observed through filling the gas depressurized through the depressurization valve, after the set pressure is reached, the filling of the gas is stopped, the pressure is maintained, whether the tightness of two cavities of the water pump is qualified or not is judged through monitoring the attenuation value of the gas of the water pump through the pressure transmitter, and if the tightness is unqualified, the cavity is unqualified can be accurately judged.
According to the utility model, by filling the set air pressure, whether the tightness of the product is qualified or not is judged by monitoring the attenuation value of the air pressure through the pressure transmitter, and whether the tightness is qualified or not can be intuitively and simply judged; and the working procedures of water pump water inlet and outlet tank, blow-drying and airing are omitted, so that the efficiency is greatly improved.
Claims (10)
1. A water pump tightness detection device is characterized in that: including bottom plate (1), place on the bottom plate and have water pump (2) of mutually independent axle head cavity and front end cavity, be used for the locating component of location water pump, be used for compressing tightly the briquetting subassembly of water pump, be located bottom plate lower surface and with water pump axle head cavity be linked together inlet tube (3) and be located the bottom plate upper surface and be used for shutoff water pump front end cavity's plugging device, first inlet port (4) that are linked together with the axle head cavity are seted up on inlet tube (3), second inlet port (5) that are linked together with the front end cavity are seted up on the end cap subassembly, have connected gradually airtight detection component respectively on first inlet port (4) and the second inlet port (5), this airtight detection component is including air supply, relief pressure valve, gas circuit switch and the pressure transmitter that connect gradually.
2. The water pump tightness detection device according to claim 1, wherein: the water pump (2) is provided with a water inlet pipe (201), a water outlet pipe (202) and a pressure relief valve pipe (203) which are communicated with the front end cavity, the plugging device comprises a first plug assembly (6) for plugging the water inlet pipe, a second plug assembly (7) for plugging the water outlet pipe and a third plug assembly (8) for plugging the pressure relief valve pipe, and the first plug assembly (6), the second plug assembly (7) and the third plug assembly (8) comprise a bracket connected with the bottom plate (1), a cylinder arranged on the bracket and a plug connected with an output shaft of the cylinder.
3. The water pump tightness detection device according to claim 2, wherein: the second air inlet (5) is arranged on the plug of the first plug assembly, the second plug assembly or the third plug assembly, and an air inlet channel (9) communicated with the front end cavity is arranged in the plug.
4. The water pump tightness detection device according to claim 1, wherein: the positioning assembly comprises a positioning round pin (10) matched with a first part hole (204) of the water pump, a positioning edge pin (11) matched with a second part hole (205) of the water pump, a first positioning boss (12) contacted with a first plane (206) of the water pump and a second positioning boss (13) contacted with a second plane (207) of the water pump.
5. The water pump tightness detection device according to claim 1, wherein: the briquetting assembly is a pressing plate type rotary pressing cylinder (14) which is arranged at intervals.
6. The water pump tightness detection device according to claim 1, wherein: the bottom plate (1) is provided with a through hole (101) for placing a water pump shaft end shell (208), and the water pump shaft end shell (208) penetrates through the through hole (101) and stretches into the air inlet cylinder (3) to be connected with the air inlet cylinder (3) in a sealing mode.
7. The water pump tightness detection device according to claim 6, wherein: the outer wall of the water pump shaft end shell (208) is sleeved with a sealing ring (209) which is contacted with the inner wall of the air inlet cylinder.
8. The water pump tightness detection device according to claim 6, wherein: and a vent hole (210) communicated with the shaft end cavity is formed in the outer wall of the water pump shaft end shell (208).
9. The water pump tightness detection device according to claim 6, wherein: the air inlet cylinder (3) and the through hole (101) are coaxially arranged.
10. The water pump tightness detection device according to claim 1, wherein: the gas circuit switch is an electromagnetic valve switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320573491.3U CN219474893U (en) | 2023-03-22 | 2023-03-22 | Water pump tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320573491.3U CN219474893U (en) | 2023-03-22 | 2023-03-22 | Water pump tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219474893U true CN219474893U (en) | 2023-08-04 |
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ID=87460813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320573491.3U Active CN219474893U (en) | 2023-03-22 | 2023-03-22 | Water pump tightness detection device |
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| Country | Link |
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| CN (1) | CN219474893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116818202A (en) * | 2023-08-31 | 2023-09-29 | 启东通润润滑液压设备有限公司 | Improved generation immersible pump airtight check out test set |
-
2023
- 2023-03-22 CN CN202320573491.3U patent/CN219474893U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116818202A (en) * | 2023-08-31 | 2023-09-29 | 启东通润润滑液压设备有限公司 | Improved generation immersible pump airtight check out test set |
| CN116818202B (en) * | 2023-08-31 | 2023-12-05 | 启东通润润滑液压设备有限公司 | Improved generation immersible pump airtight check out test set |
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