CN104236825A - Shell leakage testing clamp - Google Patents
Shell leakage testing clamp Download PDFInfo
- Publication number
- CN104236825A CN104236825A CN201410464548.1A CN201410464548A CN104236825A CN 104236825 A CN104236825 A CN 104236825A CN 201410464548 A CN201410464548 A CN 201410464548A CN 104236825 A CN104236825 A CN 104236825A
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- clamp body
- connecting link
- cylinder
- backing plate
- clamp
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Abstract
The invention relates to a shell leakage testing clamp. The shell leakage testing clamp comprises stand columns and a clamp body arranged at the upper ends of the stand columns. Pneumatic pressing devices are arranged on the front portion, the rear portion and the left portion of the clamp body respectively. A supporting and positioning device is arranged in the middle of the clamp body. A nozzle sealing device is arranged on the right portion of the clamp body. The shell leakage testing clamp has the advantages of being reasonable in structural design, high in automation degree, convenient to operate and regulate and the like, can rapidly clamp and position an automobile water pump shell, and is high in operation efficiency and accurate in positioning and clamping accuracy; the sealing performance of the sealing position is ensured, and therefore detection quality can be improved, and the possibility of wrong detection can be lowered.
Description
Technical field
The present invention relates to the performing leak test utility appliance of water pump cover, specifically a kind of housing leak test fixture.
Background technology
In the cylinder body of motor car engine, there is the water channel of many Cooling Water circulations, water tank is commonly called as with the heating radiator being placed in automotive front, be connected by water pipe, form a large water circulation system, at the upper water-out mouth of engine, a water pump is housed, driven by fan belt, the hot water in engine cylinder-body water channel is pumped, cold water is pumped into.A thermostat is also had on the side of water pump, when automobile has just started to be cold car, do not open, make chilled water without water tank, only at engine Inner eycle, be commonly called as partial circulating, when the temperature of engine reaches more than 80 degree, just open, in-engine hot water is pumped to water tank, cold wind during automobile front driving blows over water tank, takes away heat.Water pump in process of production, needs to test the sealing property of housing, to guarantee the quality of product.And the effect of housing seal test also can be subject to the structure influence of clamping apparatus, traditional leak tightness testing equipment sealing part design reasonable not, there will be leakage in sealing place after causing housing to complete clamping, cause erroneous judgement, have influence on the qualification rate of product.
Summary of the invention
Technical matters to be solved by this invention be to provide a kind of reasonable in design, automaticity is high, manipulation easily, can realize locating water pump casing for vehicle quick-clamping and guaranteeing the device of sealing place sealing property, i.e. a kind of housing leak test fixture.
Technical matters to be solved by this invention realizes by the following technical solutions:
A kind of housing leak test fixture, comprise column and the clamp body being arranged on column upper end, the front portion of described clamp body, rear portion, left part are all provided with air clamper, and the middle part of described clamp body is provided with supporting and positioning device, and the right part of described clamp body is provided with envelope mouth device.Housing to be measured is placed on supporting and positioning device, then start air clamper to clamp, then start envelope mouth device the water inlet tap of housing is blocked, finally utilize the annular seal space injecting gas that external equipment is formed to housing and supporting and positioning device, to realize the object to housing air-leakage test.
Described air clamper comprises cylinder one, screw one, nut one, connecting link one, split washer, pressing plate one, nut two, support bar and rocking bar, described cylinder one is fixed on the downside of clamp body by screw one, the lower end of described connecting link one is connected with cylinder one by the mode of threaded engagement, threaded engagement between described nut one and connecting link one, the described upper end of connecting link one and one end of split washer are hinged, and hinged place is spacing by split washer, the lower end of described support bar is connected with the mode of clamp body by threaded engagement, threaded engagement between described nut two and support bar, the upper end of described rocking bar and the middle part of pressing plate one are hinged, lower end and the support bar of described rocking bar are hinged.Air clamper utilizes the principle of lever, by cylinder one push-and-pull pressing plate one upwards or downwards, thus makes pressing plate one be pressed in housing to be measured or unclamp housing to be measured.The working depth that can also compress according to the adjustment of different shell dimension models in use procedure, i.e. first loose nut one or nut two, then loosens connecting link one or support bar, can reach the object changing and compress working depth.
Described supporting and positioning device comprises backing plate, screw two, O-ring seal two, positioning core axle, O-ring seal one, rhombus pin and bearing pin, described backing plate is fixed on the upside of clamp body by screw two, and located by bearing pin, described positioning core axle is inserted in the middle part of backing plate, the upper surface, middle part of described backing plate is provided with circular air reservoir, described backing plate is provided with holding tank round circular air reservoir, described O-ring seal one is positioned at holding tank, described rhombus pin is positioned at immediately below pressing plate one, described rhombus pin is fixed on backing plate, the left side of described backing plate is provided with the J type guide hole be connected with circular air reservoir, the left port of described J type guide hole is provided with taper thread.Supporting and positioning device compact conformation of the present invention, positioning core axle, rhombus pin are all in order to the location to housing, after location completes, upper sealing is formed by O-ring seal two, lower seal is formed by O-ring seal one, whether namely such case inside wall, positioning core axle lateral wall and circular air reservoir constitute near closed hollow ring, can inject the gas of certain pressure from J type guide hole, qualified by whether the change sealing property that judges housing of the pressure detecting gas.Wherein, the design of taper thread facilitates being communicated with of J type guide hole and external air delivering pipeline.
Described envelope mouth device comprises plug, baffle plate, connecting link two, L-type bearing, cylinder two, bolt and rubber blanket, described L-type bearing is bolted on the upper side of clamp body, described cylinder two is horizontally fixed on L-type bearing, described plug is connected with baffle plate side, interlock chamber is formed between described plug, baffle plate, one end and the cylinder two of described connecting link two are threaded connection, and the other end of described connecting link two is positioned at interlock chamber, and described rubber blanket is set on the left surface of plug.Housing location, clamp after, start cylinder two, promotion plug is close and be against on water inlet tap by rubber blanket to the water inlet tap of housing, to realize shutoff, guarantees carrying out smoothly of performing leak test.
The invention has the beneficial effects as follows: the present invention has reasonable in design, automaticity is high and manipulate the advantages such as convenient, can realize locating water pump casing for vehicle quick-clamping, operating efficiency is high, positioning and clamping is accurate, and guarantee sealing place sealing property, to improve Detection job, reduce the possibility of error detection.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is main TV structure schematic diagram of the present invention;
Fig. 2 is plan structure schematic diagram of the present invention;
Fig. 3 is backing plate inner structure schematic diagram of the present invention.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below the present invention being set forth further.
As shown in Figure 1 to Figure 3, a kind of housing leak test fixture, comprise column 1 and the clamp body 2 being arranged on column 1 upper end, the front portion of described clamp body 2, rear portion, left part are all provided with air clamper, the middle part of described clamp body 2 is provided with supporting and positioning device, and the right part of described clamp body 2 is provided with envelope mouth device.Housing to be measured is placed on supporting and positioning device, then start air clamper to clamp, then start envelope mouth device the water inlet tap of housing is blocked, finally utilize the annular seal space injecting gas that external equipment is formed to housing and supporting and positioning device, to realize the object to housing air-leakage test.
Described air clamper comprises cylinder 1, screw 1, nut 1, connecting link 1, split washer 7, pressing plate 1, nut 29, support bar 10 and rocking bar 11, described cylinder 1 is fixed on the downside of clamp body 2 by screw 1, the lower end of described connecting link 1 is connected with cylinder 1 by the mode of threaded engagement, threaded engagement between described nut 1 and connecting link 1, the upper end of described connecting link 1 and one end of split washer 7 are hinged, and hinged place is spacing by split washer 7, the lower end of described support bar 10 is connected with the mode of clamp body 2 by threaded engagement, threaded engagement between described nut 29 and support bar 10, the upper end of described rocking bar 11 and the middle part of pressing plate 1 are hinged, lower end and the support bar 10 of described rocking bar 11 are hinged.Air clamper utilizes the principle of lever, by cylinder 1 push-and-pull pressing plate 1 upwards or downwards, thus makes pressing plate 1 be pressed in housing to be measured or unclamp housing to be measured.The working depth that can also compress according to the adjustment of different shell dimension models in use procedure, i.e. first loose nut 1 or nut 29, then loosens connecting link 1 or support bar 10, can reach the object changing and compress working depth.
Described supporting and positioning device comprises backing plate 17, screw 2 16, O-ring seal 2 15, positioning core axle 14, O-ring seal 1, rhombus pin 12 and bearing pin 25, described backing plate 17 is fixed on the upside of clamp body 2 by screw 2 16, and located by bearing pin 25, described positioning core axle 14 is inserted in the middle part of backing plate 17, the upper surface, middle part of described backing plate 17 is provided with circular air reservoir 17b, described backing plate 17 is provided with holding tank 17a round circular air reservoir 17b, described O-ring seal 1 is positioned at holding tank 17a, described rhombus pin 12 is positioned at immediately below pressing plate 1, described rhombus pin 12 is fixed on backing plate 17, the left side of described backing plate 17 is provided with the J type guide hole 17c be connected with circular air reservoir 17b, the left port of described J type guide hole 17c is provided with taper thread 17d.Supporting and positioning device compact conformation of the present invention, positioning core axle 14, rhombus pin 12 are all in order to the location to housing, after location completes, upper sealing is formed by O-ring seal 2 15, lower seal is formed by O-ring seal 1, whether namely such case inside wall, positioning core axle 14 lateral wall and circular air reservoir 17b constitute near closed hollow ring, can inject the gas of certain pressure from J type guide hole 17c, qualified by whether the change sealing property that judges housing of the pressure detecting gas.Wherein, the design of taper thread 17d facilitates being communicated with of J type guide hole 17c and external air delivering pipeline.
Described envelope mouth device comprises plug 18, baffle plate 19, connecting link 2 20, L-type bearing 21, cylinder 2 22, bolt 23 and rubber blanket 24, described L-type bearing 21 is fixed on the upper side of clamp body 2 by bolt 23, described cylinder 2 22 is horizontally fixed on L-type bearing 21, described plug 18 is connected with baffle plate 19 side, interlock chamber is formed between described plug 18, baffle plate 19, one end and the cylinder 2 22 of described connecting link 2 20 are threaded connection, the other end of described connecting link 2 20 is positioned at interlock chamber, and described rubber blanket 24 is set on the left surface of plug 18.Housing location, clamp after, start cylinder 2 22, promotion plug 18 is close and be against on water inlet tap by rubber blanket 24 to the water inlet tap of housing, to realize shutoff, guarantees carrying out smoothly of performing leak test.
Before work, the air delivering pipeline of external equipment is first connected on the taper thread 17d place of J type guide hole 17c by operating personnel by the mode of threaded engagement.During work, housing to be detected is first sleeved on rhombus pin 12, positioning core axle 14 by operating personnel, then cylinder 1 is started, pressing plate 1 is made to realize compressing from three positions to housing, after compaction, start cylinder 2 22, rubber blanket 24 is made to be against on water inlet tap, the gas of certain pressure can be injected like this in J type guide hole 17c from air delivering pipeline, enter into case inside wall, positioning core axle 14 lateral wall and circular air reservoir 17b at gas namely to constitute after near closed hollow ring, whether the pressure detecting gas changes, to judge the sealing of housing; After to be detected, cylinder 1, cylinder 2 22 all reset, and take out housing.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; the just principle of the present invention described in above-described embodiment and instructions; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (3)
1. a housing leak test fixture, comprise column (1) and be arranged on the clamp body (2) of column (1) upper end, it is characterized in that: the front portion of described clamp body (2), rear portion, left part are all provided with air clamper, the middle part of described clamp body (2) is provided with supporting and positioning device, and the right part of described clamp body (2) is provided with envelope mouth device, described air clamper comprises cylinder one (4), screw one (3), nut one (5), connecting link one (6), split washer (7), pressing plate one (8), nut two (9), support bar (10) and rocking bar (11), described cylinder one (4) is fixed on the downside of clamp body (2) by screw one (3), the lower end of described connecting link one (6) is connected with cylinder one (4) by the mode of threaded engagement, threaded engagement between described nut one (5) and connecting link one (6), the upper end of described connecting link one (6) and one end of split washer (7) are hinged, and hinged place is spacing by split washer (7), the lower end of described support bar (10) is connected by the mode of threaded engagement with clamp body (2), threaded engagement between described nut two (9) and support bar (10), the upper end of described rocking bar (11) and the middle part of pressing plate one (8) are hinged, lower end and the support bar (10) of described rocking bar (11) are hinged.
2. a kind of housing leak test fixture according to claim 1, it is characterized in that: described supporting and positioning device comprises backing plate (17), screw two (16), O-ring seal two (15), positioning core axle (14), O-ring seal one (13), rhombus pin (12) and bearing pin (25), described backing plate (17) is fixed on the upside of clamp body (2) by screw two (16), and by bearing pin (25) location, described positioning core axle (14) is inserted in the middle part of backing plate (17), the upper surface, middle part of described backing plate (17) is provided with circular air reservoir (17b), described backing plate (17) is provided with holding tank (17a) round circular air reservoir (17b), described O-ring seal one (13) is positioned at holding tank (17a), described rhombus pin (12) is positioned at immediately below pressing plate one (8), described rhombus pin (12) is fixed on backing plate (17), the left side of described backing plate (17) is provided with the J type guide hole (17c) be connected with circular air reservoir (17b), the left port of described J type guide hole (17c) is provided with taper thread (17d).
3. a kind of housing leak test fixture according to claim 1, it is characterized in that: described envelope mouth device comprises plug (18), baffle plate (19), connecting link two (20), L-type bearing (21), cylinder two (22), bolt (23) and rubber blanket (24), described L-type bearing (21) is fixed on the upper side of clamp body (2) by bolt (23), described cylinder two (22) is horizontally fixed on L-type bearing (21), described plug (18) is connected with baffle plate (19) side, described plug (18), interlock chamber is formed between baffle plate (19), one end and the cylinder two (22) of described connecting link two (20) are threaded connection, the other end of described connecting link two (20) is positioned at interlock chamber, described rubber blanket (24) is set on the left surface of plug (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410464548.1A CN104236825B (en) | 2014-09-11 | 2014-09-11 | Shell leakage testing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410464548.1A CN104236825B (en) | 2014-09-11 | 2014-09-11 | Shell leakage testing clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104236825A true CN104236825A (en) | 2014-12-24 |
| CN104236825B CN104236825B (en) | 2017-01-25 |
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ID=52225344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410464548.1A Active CN104236825B (en) | 2014-09-11 | 2014-09-11 | Shell leakage testing clamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN104236825B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107243761A (en) * | 2017-07-27 | 2017-10-13 | 安徽金力泵业科技有限公司 | A kind of twin type automobile water pump housing clamp for machining |
| CN107243852A (en) * | 2017-07-27 | 2017-10-13 | 安徽金力泵业科技有限公司 | A kind of automobile water pump housing Compound Machining fixture |
| CN109049577A (en) * | 2018-08-27 | 2018-12-21 | 东莞市翔宇汽车装备有限公司 | A kind of quickly cooling device suitable for injecting products |
| CN109405869A (en) * | 2017-08-17 | 2019-03-01 | 上海阿为特精密机械股份有限公司 | Workpiece stomata detection device and workpiece stomata detection method |
| CN111879471A (en) * | 2020-09-28 | 2020-11-03 | 天津博益气动股份有限公司 | Lever up-pressing type plugging tool for airtightness detection |
| CN112388343A (en) * | 2020-09-23 | 2021-02-23 | 河南飞龙(芜湖)汽车零部件有限公司 | Inside groove-hooking clamp of water pump body |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09113401A (en) * | 1995-10-20 | 1997-05-02 | Niles Parts Co Ltd | Airtightness inspection equipment for electric appliance |
| JPH09159566A (en) * | 1995-12-08 | 1997-06-20 | Mitsubishi Motors Corp | Leakage test method of engine |
| CN201788063U (en) * | 2010-09-30 | 2011-04-06 | 江苏南方机电股份有限公司 | Housing airtightness detection apparatus |
| CN201788061U (en) * | 2010-09-30 | 2011-04-06 | 江苏南方机电股份有限公司 | Slipway mechanism for shell tightness detection device |
| CN202226106U (en) * | 2011-09-08 | 2012-05-23 | 北京金辉印务有限公司 | Pneumatic compaction device |
| CN203216671U (en) * | 2013-04-27 | 2013-09-25 | 上海菱重增压器有限公司 | Rotation test fixture for water and oil cavity of supercharger middle case |
-
2014
- 2014-09-11 CN CN201410464548.1A patent/CN104236825B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09113401A (en) * | 1995-10-20 | 1997-05-02 | Niles Parts Co Ltd | Airtightness inspection equipment for electric appliance |
| JPH09159566A (en) * | 1995-12-08 | 1997-06-20 | Mitsubishi Motors Corp | Leakage test method of engine |
| CN201788063U (en) * | 2010-09-30 | 2011-04-06 | 江苏南方机电股份有限公司 | Housing airtightness detection apparatus |
| CN201788061U (en) * | 2010-09-30 | 2011-04-06 | 江苏南方机电股份有限公司 | Slipway mechanism for shell tightness detection device |
| CN202226106U (en) * | 2011-09-08 | 2012-05-23 | 北京金辉印务有限公司 | Pneumatic compaction device |
| CN203216671U (en) * | 2013-04-27 | 2013-09-25 | 上海菱重增压器有限公司 | Rotation test fixture for water and oil cavity of supercharger middle case |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107243761A (en) * | 2017-07-27 | 2017-10-13 | 安徽金力泵业科技有限公司 | A kind of twin type automobile water pump housing clamp for machining |
| CN107243852A (en) * | 2017-07-27 | 2017-10-13 | 安徽金力泵业科技有限公司 | A kind of automobile water pump housing Compound Machining fixture |
| CN109405869A (en) * | 2017-08-17 | 2019-03-01 | 上海阿为特精密机械股份有限公司 | Workpiece stomata detection device and workpiece stomata detection method |
| CN109049577A (en) * | 2018-08-27 | 2018-12-21 | 东莞市翔宇汽车装备有限公司 | A kind of quickly cooling device suitable for injecting products |
| CN112388343A (en) * | 2020-09-23 | 2021-02-23 | 河南飞龙(芜湖)汽车零部件有限公司 | Inside groove-hooking clamp of water pump body |
| CN112388343B (en) * | 2020-09-23 | 2024-01-23 | 河南飞龙(芜湖)汽车零部件有限公司 | Groove hooking clamp inside pump body of water pump |
| CN111879471A (en) * | 2020-09-28 | 2020-11-03 | 天津博益气动股份有限公司 | Lever up-pressing type plugging tool for airtightness detection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104236825B (en) | 2017-01-25 |
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