CN104236825B - Shell leakage testing clamp - Google Patents
Shell leakage testing clamp Download PDFInfo
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- CN104236825B CN104236825B CN201410464548.1A CN201410464548A CN104236825B CN 104236825 B CN104236825 B CN 104236825B CN 201410464548 A CN201410464548 A CN 201410464548A CN 104236825 B CN104236825 B CN 104236825B
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- clamp body
- connecting rod
- cylinder
- backing plate
- nut
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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 auxiliary equipment of water pump cover, specifically a kind of housing leak test fixture.
Background technology
In the cylinder body of automobile engine, there is the water channel of a plurality of Cooling Water circulation, with the radiator being placed in automotive front
It is commonly called as water tank, is connected by water pipe, constitute a big water circulation system, in the upper water-out mouth of electromotor, equipped with a water
Pump, is driven by fan belt, the hot water in engine cylinder-body water channel is pumped out, cold water is pumped into.On the side of water pump also
Have a thermostat, automobile just started i.e. cold car when, do not open, make cooling water without water tank, only in electromotor interior circulation, custom
Claim partial circulating, when the temperature of electromotor reaches more than 80 degree, turn on, in-engine hot water is pumped to water tank, before automobile
Cold wind during row blows over water tank, takes away heat.Water pump in process of production, needs the sealing property of housing is tested, with
Guarantee the quality of product.And the effect of housing seal test also can be subject to the structure influence of clamping apparatus, traditional sealing
It is not reasonable that the sealing part of test equipment designs, and leads to housing leakage to occur at sealing after completing clamping, leads to by mistake
Judge, have influence on the qualification rate of product.
Content of the invention
The technical problem to be solved be to provide a kind of reasonable in design, high degree of automation, behaviour
Control is convenient, is capable of water pump casing for vehicle quick-clamping is positioned and guarantees with the device of sealing property at sealing, that is, a kind of
Housing leak test fixture.
The technical problem to be solved employs the following technical solutions to realize:
A kind of housing leak test fixture, including column and the clamp body being arranged on column upper end, the front portion of described clamp body, after
Portion, left part are mounted on air clamper, and the middle part of described clamp body is provided with supporting and positioning device, the right side of described clamp body
Portion is provided with envelope mouth device.Housing to be measured is placed on supporting and positioning device, then starts air clamper and be clamped,
Then start envelope mouth device to block the water inlet tap of housing, finally formed with supporting and positioning device to housing using external equipment
Annular seal space injection gas, to realize purpose to housing air-leakage test.
Described air clamper includes cylinder one, screw one, nut one, connecting rod one, split washer, pressing plate one, spiral shell
Female two, support bar and rocking bar, described cylinder one is fixed on the downside of clamp body, the lower end of described connecting rod one by screw one
It is connected with cylinder one by way of screw thread coordinates, screw thread cooperation between described nut one and connecting rod one, described connecting rod one
Upper end is hinged with one end of split washer, and hinged place pass through split washer spacing, the lower end of described support bar and clamp body
Connect by way of screw thread coordinates, screw thread cooperation between described nut two and support bar, the upper end of described rocking bar and pressing plate one
Middle part is hinged, and the lower end of described rocking bar and support bar are hinged.Air clamper utilizes the principle of lever, by cylinder one
Upwardly or downwardly push-and-pull pressing plate one, so that pressing plate one is pressed in housing to be measured or unclamps housing to be measured.During use also
Can be according to the working depth of different shell dimension model adjustment compressions, i.e. first loose nut one or nut two, then pine
Be dynamically connected bar one or support bar, you can reaches the purpose changing compression working depth.
Described supporting and positioning device includes backing plate, screw two, sealing ring two, positioning core axle, sealing ring one, rhombus pin and pin
Axle, described backing plate is fixed on the upside of clamp body by screw two, and is positioned by bearing pin, and described positioning core axle is inserted in backing plate
Middle part, the middle part upper surface of described backing plate is provided with circular air reservoir, described backing plate is provided with appearance round circular air reservoir
Receive groove, described sealing ring one is located in holding tank, and described rhombus pin is located at the underface of pressing plate one, and described rhombus pin is fixed on pad
On plate, the left side of described backing plate is provided with the j type guide hole being connected with circular air reservoir, and the left port of described j type guide hole is provided with cone
Screw thread.The supporting and positioning device compact conformation of the present invention, positioning core axle, rhombus pin are all in order to the positioning to housing, in positioning
After the completion of, formed by sealing ring two and seal, lower sealing, such case inside wall, positioning core axle are formed by sealing ring one
Lateral wall and circular air reservoir constitute near closed hollow ring, you can inject the gas of certain pressure at j type guide hole, by inspection
Whether the pressure surveying gas changes to judge whether the sealing property of housing is qualified.Wherein, the design of taper thread facilitates j type
Guide hole and the connection of external air delivering pipeline.
Described envelope mouth device includes plug, baffle plate, connecting rod two, l type bearing, cylinder two, bolt and rubber blanket, described l
Type bearing is bolted on the upper side of clamp body, and described cylinder two is horizontally fixed on l type bearing, described plug and gear
Plate side is connected, and forms linkage chamber between described plug, baffle plate, and one end of described connecting rod two is with cylinder two by screw thread even
Connect, the other end of described connecting rod two is located at linkage intracavity, and described rubber blanket is set on the left surface of plug.Housing position,
After the completion of clamping, start cylinder two, promote plug close and rubber blanket is against on water inlet tap to the water inlet tap of housing, with realization
Closure is it is ensured that being smoothed out of performing leak test.
The invention has the beneficial effects as follows: the present invention has reasonable in design, high degree of automation and manipulates convenient etc. excellent
Point, is capable of water pump casing for vehicle quick-clamping is positioned, operating efficiency is high, positioning and clamping precisely, and guarantees close at sealing
Sealing property, to improve detection quality, reduces the probability of error detection.
Brief description
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the main structure diagram of the present invention；
Fig. 2 is the overlooking the structure diagram of the present invention；
Fig. 3 is the backing plate internal structure schematic diagram of the present invention.
Specific embodiment
In order that the technological means realized of the present invention, creation characteristic, reached purpose and effect are easy to understand, below right
The present invention is expanded on further.
As shown in Figure 1 to Figure 3, a kind of housing leak test fixture, including 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 mounted on air clamper, and the middle part of described clamp body 2 is provided with support and determines
Position device, 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 opens
Dynamic air clamper is clamped, then start envelope mouth device the water inlet tap of housing is blocked, finally utilize external equipment to
The annular seal space injection gas that housing and supporting and positioning device are formed, to realize the purpose to housing air-leakage test.
Described air clamper includes cylinder 1, screw 1, nut 1, connecting rod 1, split washer 7, pressing plate
One 8, nut 29, support bar 10 and rocking bar 11, described cylinder 1 is fixed on the downside of clamp body 2 by screw 1, described
The lower end of connecting rod 1 is connected with cylinder 1 by way of screw thread coordinates, and between described nut 1 and connecting rod 1, screw thread is joined
Close, the upper end of described connecting rod 1 and one end of split washer 7 are hinged, and hinged place is spacing by split washer 7, described
The lower end of support bar 10 is connected by way of screw thread coordinates with clamp body 2, and between described nut 29 and support bar 10, screw thread is joined
Close, the upper end of described rocking bar 11 and the middle part of pressing plate 1 are hinged, and the lower end of described rocking bar 11 and support bar 10 are hinged.Gas
Dynamic hold down gag utilizes the principle of lever, by cylinder 1 upwardly or downwardly push-and-pull pressing plate 1, so that pressing plate 1 is pressed in
Housing to be measured or unclamp housing to be measured.Can also be according to the work of different shell dimension model adjustment compressions during use
Highly, i.e. first loose nut 1 or nut 29, then loosens connecting rod 1 or support bar 10, you can reach change pressure
The purpose of tight working depth.
Described supporting and positioning device include backing plate 17, screw 2 16, sealing ring 2 15, positioning core axle 14, sealing ring 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 is positioned by bearing pin 25,
Described positioning core axle 14 is inserted in the middle part of backing plate 17, and the middle part upper surface of described backing plate 17 is provided with circular air reservoir 17b, described
On backing plate 17, circular air reservoir 17b is provided with holding tank 17a, described sealing ring 1 is located in holding tank 17a, described
Rhombus pin 12 is located at the underface of pressing plate 1, and described rhombus pin 12 is fixed on backing plate 17, the left side of described backing plate 17 be provided with
The j type guide hole 17c that circular air reservoir 17b is connected, the left port of described j type guide hole 17c is provided with taper thread 17d.The present invention's
Supporting and positioning device compact conformation, positioning core axle 14, rhombus pin 12 are all in order to the positioning to housing, after the completion of positioning, lead to
Cross sealing ring 2 15 and form sealing, lower sealing is formed by sealing ring 1, outside such case inside wall, positioning core axle 14
Wall and circular air reservoir 17b constitute near closed hollow ring, you can inject the gas of certain pressure at j type guide hole 17c, pass through
Whether the pressure of detected gas changes to judge whether the sealing property of housing is qualified.Wherein, the design side of taper thread 17d
Just the connection of j type guide hole 17c and external air delivering pipeline.
Described envelope mouth device includes plug 18, baffle plate 19, connecting rod 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, and described cylinder 2 22 is horizontally fixed on l
On type bearing 21, described plug 18 is connected with baffle plate 19 side, forms linkage chamber, described company between described plug 18, baffle plate 19
One end of extension bar 2 20 is threaded connection with cylinder 2 22, and the other end of described connecting rod 2 20 is located at linkage intracavity, described
Rubber blanket 24 is set on the left surface of plug 18.Housing positioning, clamping after the completion of, start cylinder 2 22, promote plug 18 to
The water inlet tap of housing near and rubber blanket 24 is against on water inlet tap, to realize blocking it is ensured that being smoothed out of performing leak test.
Before work, the air delivering pipeline of external equipment is first connected on j type guide hole 17c by way of screw thread coordinates by operator
Taper thread 17d at.During work, housing to be detected is first sleeved on rhombus pin 12, positioning core axle 14 by operator, then opens
Take offence cylinder 1, make pressing plate 1 realize compression from three positions to housing, after compaction, start cylinder 2 22, make rubber blanket 24
It is against on water inlet tap, so can inject the gas of certain pressure in air delivering pipeline is to j type guide hole 17c, enter in gas
After case inside wall, positioning core axle 14 lateral wall and circular air reservoir 17b constitute near closed hollow ring, the pressure of detected gas
Whether power changes, to judge the sealing of housing；To be detected finish after, cylinder 1, cylinder 2 22 all reset, take out shell
Body.
Ultimate principle, principal character and the advantages of the present invention of the present invention have been shown and described above.The technology of the industry
The simply present invention it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description for the personnel
Principle, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these change and
Improvement both falls within scope of the claimed invention.Claimed scope is by appending claims and its equivalent
Thing defines.
Claims (2)
1. a kind of housing leak test fixture, including column (1) and the clamp body (2) that is arranged on column (1) upper end it is characterised in that:
The front portion of described clamp body (2), rear portion, left part are mounted on air clamper, and the middle part of described clamp body (2) is provided with props up
Support positioner, the right part of described clamp body (2) is provided with envelope mouth device；Described air clamper includes cylinder one (4), spiral shell
Follow closely one (3), nut one (5), connecting rod one (6), split washer (7), pressing plate one (8), nut two (9), support bar (10) and shake
Bar (11), described cylinder one (4) is fixed on the downside of clamp body (2) by screw one (3), under described connecting rod one (6)
End is connected with cylinder one (4) by way of screw thread coordinates, and between described nut one (5) and connecting rod one (6), screw thread cooperation, described
The upper end of connecting rod one (6) is hinged with one end of split washer (7), and hinged place is spacing by split washer (7), described
The lower end of strut (10) is connected by way of screw thread coordinates with clamp body (2), spiral shell between described nut two (9) and support bar (10)
Stricture of vagina coordinates, and the upper end of described rocking bar (11) and the middle part of pressing plate one (8) be hinged, the lower end of described rocking bar (11) and support bar
(10) it is hinged；
Described supporting and positioning device includes backing plate (17), screw two (16), sealing ring two (15), positioning core axle (14), sealing ring
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 positioned by bearing pin (25), described positioning core axle (14) is inserted in the middle part of backing plate (17), on the middle part of described backing plate (17)
End face is provided with circular air reservoir (17b), and described backing plate (17) is provided with holding tank (17a) round circular air reservoir (17b),
Described sealing ring one (13) is located in holding tank (17a), and described rhombus pin (12) is located at the underface of pressing plate one (8), described Pedicellus et Pericarpium Trapae
Shape pin (12) is fixed on backing plate (17), and the left side of described backing plate (17) is provided with the j type being connected with circular air reservoir (17b) and leads
Hole (17c), the left port of described j type guide hole (17c) is provided with taper thread (17d).
2. a kind of housing leak test fixture according to claim 1 it is characterised in that: described envelope mouth device includes plug
(18), baffle plate (19), connecting rod 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), and described cylinder two (22) is horizontally fixed on l type bearing
(21) on, described plug (18) is connected with baffle plate (19) side, forms linkage chamber, institute between described plug (18), baffle plate (19)
State one end of connecting rod two (20) and cylinder two (22) is threaded connection, the other end of described connecting rod two (20) is located at linkage
Intracavity, 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 CN104236825A (en) | 2014-12-24 |
| CN104236825B true CN104236825B (en) | 2017-01-25 |
Family
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) |
Families Citing this family (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 |
| 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 |
| 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 |
| CN111879471B (en) * | 2020-09-28 | 2020-12-25 | 天津博益气动股份有限公司 | Lever up-pressing type plugging tool for airtightness detection |
Family Cites Families (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 |
| 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 |
| CN201788063U (en) * | 2010-09-30 | 2011-04-06 | 江苏南方机电股份有限公司 | Housing airtightness detection apparatus |
| 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
Also Published As
| Publication number | Publication date |
|---|---|
| CN104236825A (en) | 2014-12-24 |
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