CN209117260U - A kind of MGU airtight test device - Google Patents
A kind of MGU airtight test device Download PDFInfo
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- CN209117260U CN209117260U CN201821625397.3U CN201821625397U CN209117260U CN 209117260 U CN209117260 U CN 209117260U CN 201821625397 U CN201821625397 U CN 201821625397U CN 209117260 U CN209117260 U CN 209117260U
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Abstract
The technical problem to be solved by the utility model is to provide a kind of MGU airtight test devices reasonable in design, measuring accuracy is high.A kind of MGU airtight test device provided by the utility model, guide rail is provided on vertical plate, sliding block is provided on guide rail, and pressed seat is fixedly connected with a slide block, and guide rail and sliding block play the role of being oriented to pressed seat, improves the displacement accuracy of pressed seat.Pressed seat includes at least two pieces secondary briquettings, it is provided with buffer stopper at least two pieces secondary briquettings, buffer stopper compresses workpiece for measurement, and the setting is so that workpiece for measurement will not leave behind impression after the completion of test, also, workpiece for measurement is not subject to excessive pressure during the test and measuring accuracy is caused to decline.Elastomer block is set on support base, it on the one hand can be to avoid impression be generated on workpiece for measurement, on the other hand it is also possible that having good sealing performance between workpiece for measurement and elastomer block.Bolster is additionally provided on vertical plate, bolster primarily serves buffer function.
Description
Technical field
The utility model relates to the detection instrument of electronic parking system accessories more particularly to a kind of MGU airtight test device,
Belong to airtight detection field.
Background technique
MGU refers to kinetic energy motor, is one of the accessory of automotive electronic parking system.MGU needs to guarantee it in process of production
There can be no gas leak phenomenons for air-tightness, i.e. its structure, therefore, need to carry out air tightness test to MGU in process of production, with inspection
Survey whether it meets the requirements.
Existing airtight test device includes pedestal and the hold-down mechanism for compressing workpiece for measurement, and pedestal and hold-down mechanism are solid
Due in rack, the air tightness test device structure of this structure is simple, may be implemented to carry out airtight test to MGU device.But
The airtight test device precision of this structure is lower, error is larger in actual use.In addition, this airtight test device exists
It is easy to leave impression on workpiece for measurement after the completion of test, affects the performance of workpiece.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of one kind reasonable in design, measuring accuracy is high
MGU airtight test device.
The utility model solves technical solution used by above-mentioned technical problem:
A kind of MGU airtight test device, including bracket, the bracket include pedestal, the vertical plate being fixed on pedestal and consolidate
The top plate being scheduled on vertical plate is fixed with the support base of support workpiece for measurement on the base, pressure is provided on the top plate
The pressed seat of tight workpiece for measurement, the pressed seat are fixed on the top plate by cylinder, and the cylinder drives the pressed seat
Workpiece for measurement is compressed or unclamped, guide rail is provided on the vertical plate, sliding block, the pressed seat are slidably connected on the guide rail
It is fixedly connected with the sliding block, bolster is further fixed on the vertical plate, is provided on the sliding block and touches the bolster
Collision block；
The pressed seat includes main briquetting, the secondary briquetting of at least two pieces be set on main briquetting, at least two pieces secondary briquettings it
Between form resigning chamber, be provided with buffer stopper far from one end of the main briquetting at least two pieces secondary briquettings, the buffer stopper with to
Workpiece is surveyed to contact and compress workpiece for measurement；
The elastomer block contacted with workpiece for measurement is provided on the support base.
A kind of MGU airtight test device provided by the utility model, guide rail is provided on vertical plate, is provided on guide rail
Sliding block, pressed seat are fixedly connected with a slide block, and guide rail and sliding block play the role of being oriented to pressed seat, improve the displacement of pressed seat
Precision.Pressed seat includes at least two pieces secondary briquettings, is provided with buffer stopper at least two pieces secondary briquettings, buffer stopper compresses work to be measured
Part, the setting is so that workpiece for measurement will not leave behind impression after the completion of test, also, workpiece for measurement will not be held during the test
Measuring accuracy is caused to decline by excessive pressure.Elastomer block is set on support base, it on the one hand can be to avoid on workpiece for measurement
Impression is generated, on the other hand it is also possible that having good sealing performance between workpiece for measurement and elastomer block.On vertical plate also
It is provided with bolster, bolster primarily serves buffer function, too fast to avoid pressed seat movement speed and damage workpiece for measurement.
Preferably, the bolster is hydraulic bjuffer, and the bolster is fixed on the vertical plate by pedestal, described
Pedestal is bolted on the vertical plate, and the bolster is bolted on the pedestal.
The setting of pedestal is so that bolster is easy to assembly, and makes vertical plate structure simple.
Preferably, the support base is bolted on the pedestal, is provided with described in receiving on the support base
The groove portion of elastomer block, the elastomer block are fixed in the groove portion, also, the height of the elastomer block is greater than the depth of the groove portion
Degree.
Elastomer block fixation improves the stability of support base in use.
Preferably, the bracket further includes the floor being arranged between top plate and the pedestal, and the vertical plate is located at described
Between floor and the bolster, the floor is welded on top plate, pedestal and vertical plate simultaneously.
The setting of floor improves the intensity of bracket, extends the service life of bracket.
Preferably, which further includes gas supply device, and the gas supply device includes gas source, pressure
Adjuster, two-position four-way valve, filter, leak detector, pressure regulator valve, two-position five-way valve and throttle valve, the gas that gas source provides is through pressing
Draught control mechanism, two-position four-way valve, filter, leak detector enter workpiece for measurement, and the gas that gas source provides is through pressure regulator, two
Four-way valve, pressure reducing valve, two-position five-way valve, throttle valve enter cylinder.
The setting of filter avoids workpiece after airtight test so that contain less impurity into the gas in workpiece for measurement
Performance decline.
Preferably, which further includes controller, and the gas source, two-position four-way valve, two-position five-way valve are equal
Work is controlled by the controller, whether be further fixed on detection support base on the vertical plate has the photoelectric sensing of workpiece for measurement
Device, the photoelectric sensor and the controller communication, the photoelectric sensor are located on the vertical plate far from the bolster
Side, be provided with through-hole on the vertical plate.
The setting of controller is so that MGU airtight test device optimizes the performance of MGU airtight test device convenient for operation.
The utility model compared with the existing technology has the following advantages that and effect:
1, the setting of guide rail and sliding block improves the mobile accuracy of pressed seat, and then improves MGU airtight test device
Precision.
2, it is too fast and workpiece for measurement is caused to damage that pressed seat movement speed can be effectively avoided in the setting of bolster, optimizes
The performance of MGU airtight test device.
3, the setting of buffer stopper and elastomer block is mainly for the protection of workpiece for measurement, to avoid workpiece for measurement damage.Also,
Workpiece for measurement does not need to bear biggish pressure in test process, improves the precision of MGU airtight test device.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the axonometric drawing of pressed seat.
Fig. 3 is the schematic diagram of gas supply device.
Label declaration:
1, bracket, 2, pedestal, 3, vertical plate, 4, top plate, 5, support base, 6, pressed seat, 7, cylinder, 8, guide rail, 9, sliding block,
10, bolster, 11, collision block, 12, main briquetting, 13, secondary briquetting, 15, buffer stopper, 16, elastomer block, 18, pedestal, 19, floor, 20,
Gas source, 21, pressure regulator, 22, two-position four-way valve, 23, filter, 24, leak detector, 25, pressure regulator valve, 26, two-position five-way valve,
27, throttle valve.
Specific embodiment
The utility model is described in further detail below with reference to embodiment, following embodiment is to the utility model
Explanation and the utility model is not limited to following embodiment.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of MGU airtight test device, including bracket 1, the bracket 1 include pedestal 2, are fixed on
Vertical plate 3 on pedestal 2 and the top plate 4 being fixed on vertical plate 3, pedestal 2, vertical plate 3 and top plate 4 can be an integral structure, in institute
The support base 5 for being fixed with support workpiece for measurement on pedestal 2 is stated, the pressed seat for compressing workpiece for measurement is provided on the top plate 4
6, the pressed seat 6 is fixed on the top plate 4 by cylinder 7, and cylinder 7 can be bolted on top plate 4, the gas
Cylinder 7 drives the pressed seat 6 to compress or unclamp workpiece for measurement, and cylinder 7 includes cylinder body and piston rod, and pressed seat 6 is fixed on piston
On bar, guide rail 8 is provided on the vertical plate 3, guide rail 8 can be an integral structure with vertical plate 3, alternatively, guide rail 8 can also lead to
It crosses bolt to be fixed on vertical plate 3, sliding block 9, the pressed seat 6 and the fixed company of the sliding block 9 is slidably connected on the guide rail 8
It connects, pressed seat 6 can be fixed together by bolt and sliding block 9, and bolster 10, the cunning are further fixed on the vertical plate 3
The collision block 11 for touching the bolster 10 is provided on block 9；
The pressed seat 6 includes main briquetting 12, the secondary briquetting 13 of at least two pieces be set on main briquetting 12, at least two pieces of pairs
Resigning chamber is formed between briquetting 13, main briquetting 12 is threadedly secured on piston rod, main briquetting 12 and at least two pieces secondary briquettings
13 can be an integral structure, and be provided with buffer stopper 15 far from one end of the main briquetting 12 at least two pieces secondary briquettings 13,
The buffer stopper 15 contacts with workpiece for measurement and compresses workpiece for measurement, and buffer stopper 15 can be bonded at least two pieces secondary briquettings 13；
The elastomer block 16 contacted with workpiece for measurement is provided on the support base 5.
Polyurethane has good mechanical property, and buffer stopper 15 and elastomer block 16 can be made of polyurethane material.
A kind of MGU airtight test device provided in this embodiment carries out airtight test to workpiece for measurement with can be convenient, and
And workpiece for measurement will not be damaged during the test, optimize the performance of MGU airtight test device.MGU airtight test device tool
There is higher precision, improves the measuring accuracy of workpiece for measurement.
Embodiment 2
The present embodiment in conjunction with the embodiments 1, is discussed in detail the connection type of each component in embodiment 1.
As shown in Figure 1, the bolster 10 is hydraulic bjuffer, the bolster 10 is fixed on described vertical by pedestal 18
On plate 3, the pedestal 18 is bolted on the vertical plate 3, and the bolster 10 is bolted on the pedestal
On 18.Bolster 10 is convenient for assembly.
Bolster 10 can also be substituted using pneumatic buffer or spring.
The support base 5 is bolted on the pedestal 2, and the hole body with bolt cooperation is provided on pedestal 2,
The groove portion for accommodating the elastomer block 16 is provided on the support base 5, the elastomer block 16 is fixed in the groove portion, also,
The height of the elastomer block 16 is greater than the depth of the groove portion, and elastomer block 16 can be adhered in groove portion, also, elastomer block 16 is convex
The upper surface of the support base 5 out, to carry out good support to workpiece for measurement.It can also be arranged in elastomer block 16 corresponding
Recess portion, in favor of the cooperation of elastomer block 16 and workpiece for measurement.
As shown in Figure 1, the bracket 1 further includes the floor 19 being arranged between top plate 4 and the pedestal 2, the vertical plate 3
Between the floor 19 and the bolster 10, the floor 19 is welded on top plate 4, pedestal 2 and vertical plate 3 simultaneously.
Embodiment 3
The present embodiment can be combined with embodiment 1 or embodiment 2, mainly introduce the plenum system of cylinder 7.
As shown in figure 3, the MGU airtight test device further includes gas supply device, the gas supply device include gas source 20,
Pressure regulator 21, two-position four-way valve 22, filter 23, leak detector 24, pressure regulator valve 25, two-position five-way valve 26 and throttle valve 27,
The gas that gas source 20 provides enters workpiece for measurement through pressure regulator 21, two-position four-way valve 22, filter 23, leak detector 24,
Filter 23 can be set in the two sides of leak detector 24, that is, there are two the two sides for being serially connected with leak detector 24 respectively, gas for filter 23
The gas that source 20 provides enters gas through pressure regulator 21, two-position four-way valve 22, pressure reducing valve, two-position five-way valve 26, throttle valve 27
Cylinder 7 works for cylinder 7.The stroke of cylinder 7 can be limited by travel switch.
As shown in figure 3, the MGU airtight test device further includes controller, the gas source 20, two-position four-way valve 22, two
Five-way valve 26 controls work by the controller, and two-position four-way valve 22, two-position five-way valve 26 are solenoid valve, in the vertical plate
The photoelectric sensor for whether having workpiece for measurement is further fixed on detection support base 5 on 3, and photoelectric sensor can be fixed by screw
On vertical plate 3, the photoelectric sensor and the controller communication, the photoelectric sensor are located on the vertical plate 3 far from institute
The side for stating bolster 10 is provided with through-hole on the vertical plate 3, which detects support base 5 for realizing photoelectric sensor
On whether have workpiece for measurement.
Photoelectric sensor detects when not having workpiece for measurement on support base 5 that photoelectric sensor transmits signal to controller,
MGU airtight test device is shut down.Photoelectric sensor detects when having workpiece for measurement on support base 5, can control by controller
Corresponding device activity, to complete the airtight test of workpiece for measurement.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different.All equivalent or simple changes done according to structure, feature and principle described in the concept of the patent of the utility model,
It is included in the protection scope of the utility model patent.Those skilled in the art of the present invention can be to being retouched
The specific embodiment stated does various modifications or additions or is substituted in a similar manner, without departing from the utility model
Structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (6)
1. a kind of MGU airtight test device, including bracket (1), the bracket (1) includes pedestal (2), is fixed on pedestal (2)
Vertical plate (3) and the top plate (4) that is fixed on vertical plate (3), it is characterized in that: being fixed with support work to be measured on the pedestal (2)
The support base (5) of part, is provided with the pressed seat (6) for compressing workpiece for measurement on the top plate (4), and the pressed seat (6) passes through
Cylinder (7) is fixed on the top plate (4), and the cylinder (7) drives the pressed seat (6) to compress or unclamp workpiece for measurement,
Be provided with guide rail (8) on the vertical plate (3), slidably connected sliding block (9) on the guide rail (8), the pressed seat (6) with it is described
Sliding block (9) is fixedly connected, and is further fixed on the vertical plate (3) bolster (10), is provided with described in touching on the sliding block (9)
The collision block (11) of bolster (10)；
The pressed seat (6) includes main briquetting (12), the secondary briquetting (13) of at least two pieces be set on main briquetting (12), and at least two
Resigning chamber is formed between block pair briquetting (13), is respectively provided at least two pieces secondary briquettings (13) far from one end of the main briquetting (12)
There are buffer stopper (15), which contacts with workpiece for measurement and compress workpiece for measurement；
The elastomer block (16) contacted with workpiece for measurement is provided on the support base (5).
2. a kind of MGU airtight test device according to claim 1, it is characterized in that: the bolster (10) is hydraulic slow
Device is rushed, the bolster (10) is fixed on the vertical plate (3) by pedestal (18), and the pedestal (18) is bolted on
On the vertical plate (3), the bolster (10) is bolted on the pedestal (18).
3. a kind of MGU airtight test device according to claim 1, it is characterized in that: the support base (5) is solid by bolt
It is scheduled on the pedestal (2), the groove portion for accommodating the elastomer block (16), the elastomer block is provided on the support base (5)
(16) it is fixed in the groove portion, also, the height of the elastomer block (16) is greater than the depth of the groove portion.
4. a kind of MGU airtight test device according to claim 1, it is characterized in that: the bracket (1) further includes that setting exists
Floor (19) between top plate (4) and the pedestal (2), the vertical plate (3) are located at the floor (19) and the bolster
(10) between, the floor (19) is welded on top plate (4), pedestal (2) and vertical plate (3) simultaneously.
5. a kind of MGU airtight test device according to claim 1, it is characterized in that: the MGU airtight test device further includes
Gas supply device, the gas supply device include gas source (20), pressure regulator (21), two-position four-way valve (22), filter
(23), leak detector (24), pressure regulator valve (25), two-position five-way valve (26) and throttle valve (27), the gas that gas source (20) provides is through pressing
Draught control mechanism (21), two-position four-way valve (22), filter (23), leak detector (24) enter workpiece for measurement, what gas source (20) provided
Gas enters cylinder through pressure regulator (21), two-position four-way valve (22), pressure reducing valve, two-position five-way valve (26), throttle valve (27)
(7)。
6. a kind of MGU airtight test device according to claim 5, it is characterized in that: the MGU airtight test device further includes
Controller, the gas source (20), two-position four-way valve (22), two-position five-way valve (26) control work by the controller, in institute
State and be further fixed in detection support base (5) whether have the photoelectric sensor of workpiece for measurement on vertical plate (3), the photoelectric sensor with
The controller communication, the photoelectric sensor is located at the side on the vertical plate (3) far from the bolster (10), described
Vertical plate is provided with through-hole on (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821625397.3U CN209117260U (en) | 2018-10-07 | 2018-10-07 | A kind of MGU airtight test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821625397.3U CN209117260U (en) | 2018-10-07 | 2018-10-07 | A kind of MGU airtight test device |
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| Publication Number | Publication Date |
|---|---|
| CN209117260U true CN209117260U (en) | 2019-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821625397.3U Active CN209117260U (en) | 2018-10-07 | 2018-10-07 | A kind of MGU airtight test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111896181A (en) * | 2020-08-11 | 2020-11-06 | 昆山华瑞杰智能科技有限公司 | Online sealing performance testing equipment of electric automobile high-pressure distributor |
| CN113533059A (en) * | 2021-06-16 | 2021-10-22 | 孝感华工高理电子有限公司 | Method and system for detecting strength of NTC (negative temperature coefficient) automobile water temperature sensor shell |
-
2018
- 2018-10-07 CN CN201821625397.3U patent/CN209117260U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111896181A (en) * | 2020-08-11 | 2020-11-06 | 昆山华瑞杰智能科技有限公司 | Online sealing performance testing equipment of electric automobile high-pressure distributor |
| CN113533059A (en) * | 2021-06-16 | 2021-10-22 | 孝感华工高理电子有限公司 | Method and system for detecting strength of NTC (negative temperature coefficient) automobile water temperature sensor shell |
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