CN209085864U - A kind of pump housing leak-testing apparatus - Google Patents
A kind of pump housing leak-testing apparatus Download PDFInfo
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- CN209085864U CN209085864U CN201821445384.8U CN201821445384U CN209085864U CN 209085864 U CN209085864 U CN 209085864U CN 201821445384 U CN201821445384 U CN 201821445384U CN 209085864 U CN209085864 U CN 209085864U
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- pump housing
- inlet end
- pump
- snorkel
- testing apparatus
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Abstract
The utility model discloses a kind of pump housing leak-testing apparatus, it is related to water pump production technical field, its key points of the technical solution are that: including station, the inlet end being set on the station and test side, it is equipped on the inlet end and is connected to the intracorporal snorkel of pump, the snorkel is connected to gas source far from one end of the inlet end, and the control valve for controlling snorkel opening and closing is additionally provided on the snorkel；The detection device for detecting pump body air pressure size is provided on the test side.Inlet end and test side are set, inlet end and test side are connected to the water outlet and water inlet of water pump, inlet end can be inflated into the pump housing, it test side can be with the intracorporal air pressure situation of feedback pump, the sealing effect of the pump housing is determined by observing the reading situation of change of detection device, so that the sealing propertytest of the pump housing reduces immersion step, to reduce the process that qualified water pump is dried or dried, it is finally reached the effect for improving production efficiency.
Description
Technical field
The utility model relates to water pump production technical fields, more specifically, it relates to which a kind of pump housing sealing propertytest is set
It is standby.
Background technique
Water pump is the machinery for conveying liquid or being pressurized liquid.After pump operation, impeller high speed rotation generate from
Under the action of mental and physical efforts, the water in impeller channel is thrown toward surrounding, is pressed into spiral case, and impeller eye forms vacuum, and the water in pond is outside
It is inhaled into along suction hose supplemented with this space under boundary's atmospheric pressure.Then the water sucked is thrown away through spiral case and entered by impeller again
Outlet pipe.It can be seen that can continuously absorb water if centrifugal pump impeller constantly rotates, press water, water can be continuously from lower
Raise eminence or a distant place.Once the leakproofness of the pump housing is deteriorated, the lift and drainage efficiency of water pump just will affect, therefore water pump is in life
The process of one of sealing propertytest can all be passed through during producing.
The Chinese utility model patent that existing such as Authorization Notice No. is CN201795902U, discloses a kind of auto pump
Pump case tightness tester, including pedestal, the support guide frame being set on pedestal and the feeding being set on support guide frame
Pneumaticpiston cylinder clamps pneumaticpiston cylinder, is additionally provided with sink on pedestal.It is provided with workbench in sink, is arranged on workbench
There is setting element, pump housing inlet seal device and pump housing outlet sealing device are additionally provided on workbench.Pump is detected when work
Body is put into be positioned by setting element, is clamped pneumaticpiston cylinder and is clamped the pump housing, by rotating pump housing inlet seal device, exit seal
Device bolt seals the pump housing, realizes clamping and the sealing of the pump housing.Decline workbench under the action of feeding air rammer cylinder
Screw clamp is opened gas source and is inflated to pump housing chamber, illustrates that the pump housing has gas leak phenomenon when there is bubble to emerge, and can observe gas leakage position
It sets；It emerges such as bubble-free and illustrates that pump housing sealing performance is qualified.
Water pump need to be immersed into water using above-mentioned detection machine when being detected to being sealed property of the pump housing, in this way by inspection
After surveying process, requires to dry water pump or dried regardless of the leakproofness conjunction of the pump housing is unqualified, finally packed, compared
Trouble, has much room for improvement.
Utility model content
In view of the deficienciess of the prior art, the utility model provides a kind of pump housing leak-testing apparatus, have pair
The pump housing of leakproofness qualification does not need in immersion water, to reduce the work that the water pump of leakproofness qualification is dried or dried
Sequence improves production efficiency advantage.
To achieve the above object, the utility model provides following technical solution:
A kind of pump housing leak-testing apparatus, including station, the inlet end being set on the station and test side,
It is equipped on the inlet end and is connected to the intracorporal snorkel of pump, the snorkel is connected to gas far from one end of the inlet end
Source is additionally provided with the control valve for controlling snorkel opening and closing on the snorkel；It is provided on the test side for detecting
The detection device of pump body air pressure size.
Through the above technical solutions, inlet end and test side are respectively connected to water pump when detecting pump housing leakproofness
Inlet and outlet, opening controlling valve enter the gas in gas source in the pump housing, and closed plate is in snorkel at this time
It is separated under gas push with inlet end；When being inflated to pump body air pressure and reaching 1.5MPa or so, closing control valve makes to bring about the desired sensation
Source stops inflating into the pump housing.The reading that detection device can be observed at this time indicates the pump housing when detection device stable reading
Leakproofness is good, goes successively to the next step；When the reading of detection device is when gradually becoming smaller, illustrating the pump housing, there are gas leakage.
By setting inlet end and test side, so that the sealing propertytest of the pump housing reduces immersion step, to reduce to qualification
The process that water pump is dried or dried is finally reached the effect for improving production efficiency.
Further, the detection device includes the air gauge for being set on test side and being connected with pump body.
Through the above technical solutions, being connected in the pump housing by air gauge, barometric reading can indicate to pump intracorporal
Air pressure size, it is whole more convenient, and air gauge is used, the freedom of test side is relatively high, and cost is also relatively low.
Further, the detection device include be set to the test side towards pump housing one end baroceptor, set
It is placed in the display that the pump housing is outer and is electrically connected with the baroceptor, the display is for showing the big of pump body air pressure
It is small.
Through the above technical solutions, by the connection of baroceptor and display, so that pumping intracorporal atmospheric pressure value can
Directly to show reading from display, overall observation is got up more convenient.
Further, sink is offered on the station, is additionally provided with marker pen on the station.
Through the above technical solutions, the pump housing for being connected with inlet end and test side is moved to water when the pump housing is there are when gas leakage
In slot and it is lower than the water surface, it is air leakage point that pump housing surface, which constantly generates at bubble, at this time, later reapposes water pump in operation
On platform, air-leak section is marked by marker pen so that air-leak section visible marking and go out, it is convenient water pump is dried after make correspondence and repair
It mends.
Further, the inlet end is towards being provided with the elastomeric closure for closing the snorkel on the end face of the pump housing.
Through the above technical solutions, elastomeric closure is for closing snorkel and the intracorporal gas backstreaming of restrictive pump extremely ventilation
In pipe, so that it is more stable to enter the intracorporal gas of pump, less influence of the snorkel gas leakage situation to testing result is promoted
The accuracy of detection.
Further, the elastomeric closure includes the closed plate being set to the inlet end towards pump housing one end, setting
Deviate from the spring of described inlet end one end in the closed plate, be set to positioning plate of the spring far from described closed plate one end, institute
It states positioning plate and is fixed by the connecting rod and be connected to the inlet end.
Through the above technical solutions, the gas push closed plate in snorkel overcomes spring when inflating into the pump housing
Elastic force is separated with inlet end, and gas enters in the pump housing.When control valve close when, closed plate spring elastic force effect under again
It pushes against in inlet end and closes snorkel, limit the intracorporal gas backstreaming of pump into snorkel.
Further, the connecting rod is at least two, and the closed plate sliding is connected in the connecting rod.
Through the above technical solutions, closed plate sliding is connected in connecting rod, connecting rod leads the movement of closed plate
To effect, so that the movement of closed plate is more stable.
Further, the elastomeric closure is the elastic slice for being set to the inlet end towards pump housing one end, the elastic slice
One end be fixed on the inlet end.
Through the above technical solutions, elastic slice in the raw under, elastic slice fitting with inlet end for closing snorkel, when
When being inflated into the pump housing, between one end rotation that gas push elastic slice in snorkel is fixed along it and separating with inlet end to be formed
Gap, the gas in snorkel are entered in the pump housing by gap.When control valve is closed, elastic slice is under the action of its own elastic force
Again the end face of inlet end is fitted in for closing snorkel.
Further, limit plate is provided on the elastic slice, the limit plate is fixed on the inlet end, and the limit
Position plate is used to limit the elastic slice around the angle of one end that it is fixed rotation.
Through the above technical solutions, setting limit plate, limit plate can limit elastic slice and rotate along the fixed one end of elastic slice
Angle, reduce elastic slice deformation it is excessive fail situation so that the work of elastic slice is more stable.
Compared with prior art, the utility model has the beneficial effects that
(1) by setting inlet end and test side, inlet end and test side are connected to the water outlet and water inlet of water pump,
Inlet end can be inflated into the pump housing, and test side can be with the intracorporal air pressure situation of feedback pump, by the reading for observing detection device
Situation of change determines the sealing effect of the pump housing, so that the sealing propertytest of the pump housing reduces immersion step, to reduce pair
The process that qualified water pump is dried or dried is finally reached the effect for improving production efficiency；
(2) by setting elastic sealing element, for closing in snorkel and the intracorporal gas backstreaming to snorkel of restrictive pump,
So that it is more stable to enter the intracorporal gas of pump, less influence of the snorkel gas leakage situation to testing result improves inspection
The accuracy of survey；
(3) by setting limit plate, limit plate can limit elastic slice along the angle of the fixed one end rotation of elastic slice, reduce
Elastic slice deformation is excessive to fail situation, so that the work of elastic slice is more stable.
Detailed description of the invention
Fig. 1 is the overall schematic of embodiment one；
Fig. 2 is the inlet end structural schematic diagram of embodiment one；
Fig. 3 is the inlet end perspective view of the explosion of embodiment one；
Fig. 4 is the inlet end structural schematic diagram of embodiment two；
Fig. 5 is the overall schematic of embodiment three；
Fig. 6 is the test side structural schematic diagram of embodiment three.
Appended drawing reference: 1, station；2, inlet end；3, test side；4, sink；5, marker pen；6, snorkel；7, gas source；
8, detection device；81, air gauge；82, baroceptor；83, display；9, elastomeric closure；91, closed plate；92, spring；
93, positioning plate；94, elastic slice；10, control valve；11, connecting rod；12, thread segment；13, location hole；14, limit plate；141, fixed
Portion；142, limiting section.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Embodiment one
A kind of pump housing leak-testing apparatus, as shown in Figure 1, including station 1, the inlet end 2 being set on station 1
With test side 3.Sink 4 is offered on station 1, and marker pen 5 is additionally provided on station 1.
Be equipped with snorkel 6 on inlet end 2, snorkel 6 be connected in the pump housing and snorkel 6 towards the pump housing one end with into
One end of gas end 2 towards the pump housing is concordant.Snorkel 6 is connected to gas source 7 far from one end of the pump housing, and gas source 7 is air compressor.It is logical
Be additionally provided with control valve 10 on tracheae 6, control valve 10 is used to control the opening and closing of snorkel 6, by adjust the opening and closing of snorkel 6 come
Gas in control gas source 7 is inflated into the pump housing.Detection device 8 is provided on test side 3, detection device 8 is to be set to detection
The air gauge 81 being connected on end 3 and with pump body detects the air pressure size of pump body by connection air gauge 81.
As shown in Fig. 2, inlet end 2 is towards elastomeric closure 9 is additionally provided on the end face of the pump housing, elastomeric closure 9 is used for
It closes in snorkel 6 and restrictive pump intracorporal gas backstreaming to snorkel 6.Elastomeric closure 9 includes being set to 2 direction of inlet end
Closed plate 91 on the end face of the pump housing, be set to closed plate 91 away from described 2 one end of inlet end spring 92, be set to spring 92
Positioning plate 93 far from 91 one end of closed plate.One end of inlet end 2 towards the pump housing is provided at least two connecting rods 11, and connecting rod is worn
Connection is slid set on closed plate 91 and with closed plate 91.
As shown in figure 3, connecting rod 11 is provided with thread segment 12 far from one end of inlet end 2, the diameter of thread segment 12 is less than
The diameter of connecting rod 11.Location hole 13 corresponding with thread segment 12 is offered on positioning plate 93.When positioning plate 93 is installed, thread segment
12 correspondences pass through bolt tightening in connecting rod 11 after wearing location hole 13.
When using pump housing leak-testing apparatus, clear water is added into sink 4 first, the pump housing is placed in operation later
On platform 1, inlet end 2 and test side 3 are connected to the inlet and outlet of the pump housing respectively, opening controlling valve 10 makes at this time
The gas obtained in gas source 7 enters in the pump housing, and closed plate 91 separates under the gas push in snorkel 6 with inlet end 2 at this time；
When being inflated to pump body air pressure and reaching 1.5MPa or so, closes control valve 10 and gas source 7 is made to stop inflating into the pump housing, this
When, the elastic force of spring 92 tenses closed plate 91 and is pushed against again in inlet end 2.The reading that air gauge 81 can be observed at this time, works as gas
When pressing 81 stable reading of table, indicates that the leakproofness of the pump housing is good, go successively to the next step；When air gauge 81 reading by
Gradual change hour, illustrating the pump housing, there are gas leakage, at this time move to the pump housing in sink 4 and lower than the water surface, at this time pump housing surface not stopping pregnancy
It is air leakage point at angry bubble, water pump is reapposed on station 1 later, is marked air leakage point by marker pen 5, later
Make corresponding repairing after water pump is dried.
Embodiment two
A kind of pump housing leak-testing apparatus, the difference with embodiment one are that the structure of elastomeric closure 9 is different.
As shown in figure 4, elastomeric closure 9 is to be set to elastic slice 94 of the inlet end 2 towards pump housing one end, one end of elastic slice 94
It is fixed on inlet end 2, under natural conditions, elastic slice 94 is pushed against in inlet end 2 and closing snorkel 6.It is arranged on elastic slice 94 limited
Position plate 14, limit plate 14 include fixed part 141 and are set to and are fixed on one end and the limiting section 142 of fixed part 141 in obtuse angle, limit
The end face setting at an acute angle in position portion 142 and inlet end 2.Bolt is provided on fixed part 141, bolt is each passed through fixed part 141
And limiting section 142 and elastic slice 94 are fixed on inlet end 2 by elastic slice 94.
When being inflated into the pump housing, gas push elastic slice 94 in snorkel 6 along fixed one end rotation and with inlet end 2
Gap is formed, limit plate 14 can limit the rotational angle of elastic slice 94 at this time.When control valve 10 is closed, elastic slice 94 is bonded again
In on inlet end 2 and closing snorkel 6.The reading situation of change of air gauge 81 can be observed at this time to judge the sealing effect of the pump housing
Fruit.
Embodiment three
A kind of pump housing leak-testing apparatus, the difference with embodiment one are that detection device 8 is different.
As shown in Figure 5, Figure 6, detection device 8 include be set to test side 3 towards pump housing one end baroceptor 82, set
It is placed in the display 83 that the pump housing is outer and is electrically connected with baroceptor 82, display 83 is set on station 1.When needing to detect
When pumping intracorporal atmospheric pressure value, the size of air pressure can be determined by the reading of display 83.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of pump housing leak-testing apparatus, including station (1), the inlet end (2) being set on the station (1) and
Test side (3), it is characterised in that: be equipped on the inlet end (2) and be connected to the intracorporal snorkel (6) of pump, the snorkel
(6) one end far from the inlet end (2) is connected to gas source (7), is additionally provided on the snorkel (6) for controlling snorkel
(6) control valve (10) opened and closed；The detection device for detecting pump body air pressure size is provided on the test side (3)
(8)。
2. a kind of pump housing leak-testing apparatus according to claim 1, it is characterised in that: detection device (8) packet
Include the air gauge (81) for being set to and being connected on test side (3) and with pump body.
3. a kind of pump housing leak-testing apparatus according to claim 1, it is characterised in that: detection device (8) packet
Include be set to the test side (3) towards pump housing one end baroceptor (82), be set to the pump housing it is outer and with the air pressure transmission
The display (83) of sensor (82) electrical connection, the display (83) are used to show the size of pump body air pressure.
4. a kind of pump housing leak-testing apparatus according to claim 1, it is characterised in that: opened on the station (1)
Equipped with sink (4), marker pen (5) are additionally provided on the station (1).
5. a kind of pump housing leak-testing apparatus according to claim 4, it is characterised in that: inlet end (2) direction
The elastomeric closure (9) for closing the snorkel (6) is provided on the end face of the pump housing.
6. a kind of pump housing leak-testing apparatus according to claim 5, it is characterised in that: the elastomeric closure (9)
Including be set to the inlet end (2) towards pump housing one end closed plate (91), be set to the closed plate (91) away from described
The spring (92) of inlet end (2) one end is set to the positioning plate (93) of spring (92) far from the closed plate (91) one end, described
Positioning plate (93) is fixedly attached to the inlet end (2) by connecting rod (11).
7. a kind of pump housing leak-testing apparatus according to claim 6, it is characterised in that: the connecting rod (11) is at least
It is two, closed plate (91) sliding is connected on the connecting rod (11).
8. a kind of pump housing leak-testing apparatus according to claim 5, it is characterised in that: the elastomeric closure (9)
To be set to elastic slice (94) of the inlet end (2) towards pump housing one end, the air inlet is fixed in one end of the elastic slice (94)
It holds on (2).
9. a kind of pump housing leak-testing apparatus according to claim 8, it is characterised in that: be arranged on the elastic slice (94)
Have limit plate (14), the limit plate (14) is fixed on the inlet end (2), and the limit plate (14) is described for limiting
Angle of the elastic slice (94) around one end that it is fixed rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821445384.8U CN209085864U (en) | 2018-09-04 | 2018-09-04 | A kind of pump housing leak-testing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821445384.8U CN209085864U (en) | 2018-09-04 | 2018-09-04 | A kind of pump housing leak-testing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN209085864U true CN209085864U (en) | 2019-07-09 |
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ID=67115796
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821445384.8U Active CN209085864U (en) | 2018-09-04 | 2018-09-04 | A kind of pump housing leak-testing apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112556942A (en) * | 2020-12-17 | 2021-03-26 | 英德奥克莱电源有限公司 | Storage battery air tightness detection device |
| CN113357164A (en) * | 2021-06-04 | 2021-09-07 | 安徽省康宇水电机械成套设备有限公司 | Centrifugal pump production detection process |
| CN117138573A (en) * | 2023-10-27 | 2023-12-01 | 南京东南工业装备股份有限公司 | Combustion tail gas treatment device and treatment system |
-
2018
- 2018-09-04 CN CN201821445384.8U patent/CN209085864U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112556942A (en) * | 2020-12-17 | 2021-03-26 | 英德奥克莱电源有限公司 | Storage battery air tightness detection device |
| CN113357164A (en) * | 2021-06-04 | 2021-09-07 | 安徽省康宇水电机械成套设备有限公司 | Centrifugal pump production detection process |
| CN117138573A (en) * | 2023-10-27 | 2023-12-01 | 南京东南工业装备股份有限公司 | Combustion tail gas treatment device and treatment system |
| CN117138573B (en) * | 2023-10-27 | 2024-01-23 | 南京东南工业装备股份有限公司 | Combustion tail gas treatment device and treatment system |
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