CN108106785A - A kind of frock for being used to detect air tightness of workpiece - Google Patents
A kind of frock for being used to detect air tightness of workpiece Download PDFInfo
- Publication number
- CN108106785A CN108106785A CN201711465783.0A CN201711465783A CN108106785A CN 108106785 A CN108106785 A CN 108106785A CN 201711465783 A CN201711465783 A CN 201711465783A CN 108106785 A CN108106785 A CN 108106785A
- Authority
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- China
- Prior art keywords
- sealing
- outlet pipe
- frock
- air throttle
- sealing cylinder
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/025—Details with respect to the testing of engines or engine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention belongs to tooling and fixture technical field, more particularly to a kind of frock for being used to detect air tightness of workpiece.Including engine base, the engine base is equipped with support baseboard, the support baseboard is equipped with to place the gasket of diplopore outlet pipe or air throttle, and gasket is equipped with airtight instrument air-filled pore, is provided with sealing mechanism corresponding with diplopore outlet pipe nozzle and air throttle gas port on the support baseboard and engine base and pushes down the hold-down mechanism of diplopore outlet pipe or air throttle.The beneficial effects of the invention are as follows：Diplopore outlet pipe or air throttle are pushed down by hold-down mechanism, then each gas port of diplopore outlet pipe nozzle or air throttle is sealed up by sealing mechanism correspondence, it is inflated again by airtight instrument air-filled pore, the airtight detection of diplopore outlet pipe nozzle or air throttle is completed in pressurize, detection, exhaust, detect simple to operate, detection efficiency height.
Description
Technical field
The invention belongs to tooling and fixture technical field, more particularly to a kind of frock for being used to detect air tightness of workpiece.
Background technology
Air throttle is one of controllable valve that air is controlled to enter engine, and gas can become after entering tracheae with gasoline mixing
Into combustion mixture, acting is formed so as to burn.Air cleaner is connect on air throttle, under connect engine cylinder body, be engine system
One of important component of system, and the air-tightness of air throttle has vital effect to its working performance.By the structure of air throttle
Complexity, at present, an artificial operation break-down of logical use carry out airtight test to different gas ports, and inspection operation is cumbersome, and stable operation is poor,
And disfiguring workpiece is also easy to, efficiency is low, of high cost.
The content of the invention
In view of the foregoing deficiencies of prior art, it is an object of the invention to provide one kind for detecting air tightness of workpiece
Frock, inconvenient for solving diplopore outlet pipe and air throttle air-leakage test in the prior art, detection efficiency is low etc. asks
Topic.
In order to achieve the above objects and other related objects, the present invention provides a kind of for detecting the frock of air tightness of workpiece,
Including engine base, the engine base is equipped with support baseboard, and the support baseboard is equipped with to place diplopore outlet pipe or air throttle
Gasket, and gasket is equipped with airtight instrument air-filled pore, is provided with and diplopore outlet pipe pipe on the support baseboard and engine base
Mouth sealing mechanism corresponding with air throttle gas port and the hold-down mechanism for pushing down diplopore outlet pipe or air throttle.
The beneficial effects of the invention are as follows：Diplopore outlet pipe or air throttle by hold-down mechanism are pushed down, then pass through sealing
Mechanism corresponds to each gas port for sealing up diplopore outlet pipe nozzle or air throttle, then is inflated, protected by airtight instrument air-filled pore
Pressure, detection are vented the airtight detection for completing diplopore outlet pipe nozzle or air throttle, and detection is simple to operate, and detection efficiency is high.
Further, the support baseboard is equipped with the positioning pin for diplopore outlet pipe or air throttle installation positioning, is convenient for
Installation is accurately positioned so that sealing mechanism accurately can be aligned with nozzle or each gas port.
Further, the airtight instrument air-filled pore is vertically through gasket, support baseboard and engine base, and the gasket is by silica gel
It is fabricated.
Further, the sealing mechanism include be located at gasket on the left of the first sealing mechanism, on the right side of gasket
Second sealing mechanism and the 3rd sealing mechanism on rear side of gasket, first sealer are equipped with to seal air throttle
First seal head of the first gas port, second sealing mechanism are equipped with to seal the second sealing of the second gas port of air throttle
Head, the 3rd sealing mechanism are equipped with to seal the 3rd seal head of diplopore outlet pipe nozzle.
Further, first sealing mechanism includes the first sealing cylinder and the first blanket gas on support baseboard
Cylinder support base, first sealing cylinder are mounted on the first sealing cylinder support base, first sealing cylinder and first close
End socket connects, and the first seal head is driven to stretch the first gas port of top tight sealing air throttle.
Further, second sealing mechanism includes the second sealing cylinder and the second sealing cylinder branch on engine base
Seat is supportted, second sealing cylinder is mounted on the second sealing cylinder support base, second sealing cylinder and the second seal head
Connection, and the second seal head is driven to stretch the second gas port of top tight sealing air throttle.
Further, the 3rd sealing mechanism includes the 3rd sealing cylinder and the 3rd sealing cylinder branch on engine base
Seat is supportted, the 3rd sealing cylinder is mounted on the 3rd sealing cylinder support base, the 3rd sealing cylinder and the 3rd seal head
Connection, and the 3rd seal head is driven to stretch top tight sealing diplopore outlet pipe nozzle.
Further, filled on the seal face that first seal head, the second seal head, the 3rd seal head are contacted with gas port
There is Silicone Rubber.
Advantageous effect using above-mentioned further scheme is：Seal head corresponding with nozzle and each gas port is set, and is led to
Crossing cylinder drives each seal head to stretch top tight sealing nozzle or gas port, stabilization easy to operate so that nozzle and each gas port are close
Envelope improves air-leakage test effect, and can quickly adapt to the airtight detection of two kinds of workpiece of diplopore outlet pipe and air throttle,
It need not prepare other frock, reduce cost, and by the way that Silicone Rubber is set to avoid damage to diplopore outlet pipe or air throttle.
Further, the quantity of the hold-down mechanism is two groups, and two groups of hold-down mechanisms are respectively positioned at the front side of gasket with after
Side, the hold-down mechanism is included for pushing down the pressing plate of diplopore outlet pipe or air throttle and the stud on engine base, described
Pressing plate is mounted on stud, and the support spring by being set on stud is propped up, and the upper end of the stud is equipped with locking nut.
Further, the pressing plate is L-type structure, and one end of the pressing plate is equipped with the bar hole passed through for stud upper end,
The other end of the pressing plate is placed on engine base.
Advantageous effect using above-mentioned further scheme is：Compress simple to operate, raising diplopore outlet pipe or solar term
The stability of door air-leakage test enables the bottom of pressing plate to form supporting point, compresses more steady using the pressing plate of L-type structure
It is fixed, support spring is set to prop up pressing plate by support spring when completing air-leakage test so that pressing plate, which rises to, picks and places diplopore
Outlet pipe or air throttle provide operating space, and bar hole is set to push down diplopore outlet pipe or solar term convenient for adjusting pressing plate according to demand
The length of door.
Description of the drawings
Fig. 1 is the structure diagram of air throttle；
Fig. 2 is the structure diagram of diplopore outlet pipe；
Fig. 3 is the first structure schematic diagram for being used to detect the frock of air tightness of workpiece of the embodiment of the present invention；
Fig. 4 is the second structure diagram for being used to detect the frock of air tightness of workpiece of the embodiment of the present invention；
Fig. 5 is the top view for being used to detect the frock of air tightness of workpiece of the embodiment of the present invention.
Piece mark explanation
1 air throttle；
11 first gas ports；
12 second gas ports；
13 dowel holes；
14 dowel holes；
15 air inlets；
2 engine bases；
3 support baseboards；
31 positioning pins；
4 gaskets；
51 first sealing mechanisms；
511 first seal heads；
512 first sealing cylinder support bases；
513 first sealing cylinders；
52 second sealing mechanisms；
521 second seal heads；
522 second sealing cylinder support bases；
523 second sealing cylinders；
53 the 3rd sealing mechanisms；
531 the 3rd seal heads；
532 the 3rd sealing cylinder support bases；
533 the 3rd sealing cylinders；
6 hold-down mechanisms；
61 pressing plates；
62 support springs；
63 locking nuts；
7 airtight instrument air-filled pores；
8 diplopore outlet pipes；
81 dowel holes；
82 dowel holes；
83 nozzles.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
It should be clear that cited such as " on ", " under " in this specification, "left", "right", the term of " centre " and " one ", also
Only for ease of the clear of narration rather than to limit the enforceable scope of the present invention, relativeness is altered or modified, in nothing
Under essence change technology contents, when being also considered as the enforceable scope of the present invention.
As shown in Figure 1, workpiece air throttle 1 is equipped with the first gas port 11, the second gas port 12, it is used to position when being additionally provided with installation
Dowel hole 13 and dowel hole 14, when air throttle 1 carries out airtight detection, during by dowel hole 13,14 location and installation, section
Air inlet 15 on valve 1 is poured convenient for gas in air throttle 1 just to upper airtight instrument air-filled pore 7.
As shown in Fig. 2, workpiece diplopore outlet pipe 8 is equipped with nozzle 83, dowel hole used for positioning during installation is additionally provided with
81 and dowel hole 82.
As shown in Figures 3 to 5, the frock for being used to detect air tightness of workpiece of the present embodiment, including engine base 2, sets on engine base 2
There is support baseboard 3, support baseboard 3 is equipped with to place the gasket 4 of diplopore outlet pipe or air throttle, and gasket 4 is by silica gel
It is fabricated, and gasket 4 is equipped with airtight instrument air-filled pore 7, airtight instrument air-filled pore 7 is vertically through gasket 4, support baseboard 3
With engine base 2.It is provided on support baseboard 3 and engine base 2 corresponding with each gas port of the nozzle of diplopore outlet pipe 8 83 and air throttle 1
Sealing mechanism, when the different workpiece of detection with corresponding sealing mechanism.It is additionally provided with and pushes down on support baseboard 3 and engine base 2
The hold-down mechanism 6 of diplopore outlet pipe 8 or air throttle 1.Support baseboard 3 is equipped with fixed for diplopore outlet pipe 8 or the installation of air throttle 1
The positioning pin 31 of position, positioning pin 31 project upward through gasket 4.Since workpiece diplopore outlet pipe 8 and air throttle 1 are into promoting the circulation of qi
During close detection, it is necessary to which the position being sealed is non-interference, therefore, can be adapted to by setting with the sealing mechanism of independent operating
The air-leakage test of different workpieces shares a set of engine base, support baseboard, gasket and hold-down mechanism, reduces accounting for for tooling device
Ground area is increased operation rate, and reduces cost.
As shown in Figures 3 to 5, sealing mechanism includes the first sealing mechanism 51 positioned at 4 left side of gasket, positioned at gasket
Second sealing mechanism 52 on 4 right sides and the 3rd sealing mechanism 53 positioned at 4 rear side of gasket, the first sealer 51 are equipped with and are used for
The first seal head 511 of the first gas port 11 of air throttle 1 is sealed, the second sealing mechanism 52 is equipped with to seal air throttle 1
Second seal head 521 of the second gas port 12, the 3rd sealing mechanism 53 are equipped with to seal the of the nozzle 83 of diplopore outlet pipe 8
Three seal heads 531, when detecting different workpieces, corresponding seal head is worked.
As shown in Figures 3 to 5, the first sealing mechanism 51 includes the first sealing cylinder 513 and on support baseboard 3
First sealing cylinder support base 512, the first sealing cylinder 513 are mounted on the first sealing cylinder support base 512, the first blanket gas
Cylinder 513 is connected with the first seal head 511, and the first seal head 511 is driven to stretch the first gas port 11 of top tight sealing air throttle 1.
Second sealing mechanism 52 include the second sealing cylinder 523 and the second sealing cylinder support base 522 on engine base 2, second
Sealing cylinder 523 is mounted on the second sealing cylinder support base 522, and the second sealing cylinder 523 is connected with the second seal head 521,
And the second seal head 521 is driven to stretch the second gas port 12 of top tight sealing air throttle 1.3rd sealing mechanism 53 includes the 3rd sealing
Cylinder 533 and the 3rd sealing cylinder support base 532 on engine base 2, the 3rd sealing cylinder 533 are mounted on the 3rd blanket gas
On cylinder support base 532, the 3rd sealing cylinder 533 is connected with the 3rd seal head 531, and drives the 3rd seal head 531 is flexible to hold out against
Seal the nozzle 81 of diplopore outlet pipe 8.Wherein, the seal face that the first seal head 511, the second seal head 512 are contacted with gas port
On be respectively arranged with silica gel piece, Silicone Rubber is also equipped on the seal face that the 3rd seal head 513 is contacted with nozzle, by setting silica gel
On the one hand skin improves sealing performance so that detection is more accurate, on the other hand so that seal head is more soft, reduces to workpiece
Damage.
As shown in Figures 3 to 5, the quantity of hold-down mechanism 6 is two groups, before two groups of hold-down mechanisms are located at gasket 4 respectively
Side and rear side, hold-down mechanism 6 include the pressing plate 61 for pushing down diplopore outlet pipe or air throttle and the spiral shell on engine base 2
Column, pressing plate 61 is mounted on stud, and the support spring 61 by being set on stud is propped up, and the upper end of stud is equipped with locking screw
Mother 63.Pressing plate 61 is L-type structure, and one end of pressing plate 61 is equipped with the bar hole passed through for stud upper end, the other end of pressing plate 61
It being placed on engine base 2, height and the work pieces mate of pressing plate 61 are set, when the lower end of pressing plate 61 is placed on engine base 2, pressing plate 61
Upper end can by locking nut promote 61 workpiece pressing of pressing plate, set bar hole it is easy to remove adjustment pressing plate 61 push down workpiece
Length, pressing plate 61 use L-type structure so that support is arranged at pressing plate bottom, improves the stability of workpiece pressing.
When detect workpiece air throttle air-tightness when, air throttle is placed on gasket, by two positioning pins 31 with
Positioning is realized in two cooperations of dowel hole 13,14, then pushes down air throttle by pressing plate, the first seal head 511 stretches into the first gas
The sealings of the first gas ports 11 are realized in mouth 11, the second seal head 521 stretches into the second gas port 12 sealing for realizing the second gas port 12,
Airtight instrument is inflated, piece test is completed in pressurize, detection, exhaust, unclamps locking nut and cylinder control valve after completing detection,
Remove air throttle.
When detecting the air-tightness of workpiece diplopore outlet pipe, diplopore outlet pipe is placed on gasket, it is fixed by two
Positioning is realized in position pin 31 and two cooperations of dowel hole 81,82, then pushes down diplopore outlet pipe, the 3rd seal head by pressing plate
531 stretch into nozzle 83 sealing for realizing nozzle, and airtight instrument is inflated, piece test is completed in pressurize exhaust, after completing detection
Locking nut and cylinder control valve are unclamped, removes diplopore outlet pipe.
The present invention is by rationally setting sealing mechanism so that the frock can adapt to different air tightness of workpiece detections, carry
The high scope of application of frock, air-leakage test is easy to operate, quick, conveniently, improves detection efficiency, reduces cost.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. a kind of frock for being used to detect air tightness of workpiece, it is characterised in that：Including engine base, the engine base is equipped with support bottom
Plate, the support baseboard is equipped with to place the gasket of diplopore outlet pipe or air throttle, and gasket is equipped with airtight instrument
Air-filled pore, be provided on the support baseboard and engine base sealing mechanism corresponding with diplopore outlet pipe nozzle and air throttle gas port and
Push down the hold-down mechanism of diplopore outlet pipe or air throttle.
2. a kind of frock for being used to detect air tightness of workpiece according to claim 1, it is characterised in that：The support baseboard
It is equipped with the positioning pin for diplopore outlet pipe or air throttle installation positioning.
3. a kind of frock for being used to detect air tightness of workpiece according to claim 1, it is characterised in that：The airtight instrument fills
Vertically through gasket, support baseboard and engine base, the gasket is fabricated stomata by silica gel.
4. a kind of frock for being used to detect air tightness of workpiece according to claim 1, it is characterised in that：The sealing mechanism
Including being located at the first sealing mechanism on the left of gasket, the second sealing mechanism on the right side of gasket and on rear side of gasket
The 3rd sealing mechanism, first sealer is equipped with to seal the first seal head of the first gas port of air throttle, described the
Two sealing mechanisms are equipped with to seal the second seal head of the second gas port of air throttle, and the 3rd sealing mechanism is equipped with and is used for
Seal the 3rd seal head of diplopore outlet pipe nozzle.
5. a kind of frock for being used to detect air tightness of workpiece according to claim 4, it is characterised in that：First sealing
Mechanism includes the first sealing cylinder and the first sealing cylinder support base on support baseboard, the first sealing cylinder peace
On the first sealing cylinder support base, first sealing cylinder is connected with the first seal head, and the first seal head is driven to stretch
Contracting top tight sealing the first gas port of air throttle.
6. a kind of frock for being used to detect air tightness of workpiece according to claim 4, it is characterised in that：Second sealing
Mechanism includes the second sealing cylinder and the second sealing cylinder support base on engine base, second sealing cylinder are mounted on
On second sealing cylinder support base, second sealing cylinder is connected with the second seal head, and the second seal head is driven to stretch top
The second gas port of tightening seal air throttle.
7. a kind of frock for being used to detect air tightness of workpiece according to claim 4, it is characterised in that：3rd sealing
Mechanism includes the 3rd sealing cylinder and the 3rd sealing cylinder support base on engine base, and the 3rd sealing cylinder is mounted on
On 3rd sealing cylinder support base, the 3rd sealing cylinder is connected with the 3rd seal head, and the 3rd seal head is driven to stretch top
Tightening seal diplopore outlet pipe nozzle.
8. it is used to detect the frock of air tightness of workpiece according to claim 4 one, it is characterised in that：First sealing
Silicone Rubber is respectively arranged on the seal face that head, the second seal head, the 3rd seal head are contacted with gas port.
9. a kind of frock for being used to detect air tightness of workpiece according to claim 1, it is characterised in that：The hold-down mechanism
Quantity for two groups, respectively positioned at the front side of gasket and rear side, the hold-down mechanism includes pushing down two groups of hold-down mechanisms
The pressing plate and the stud on engine base of diplopore outlet pipe or air throttle, the pressing plate is mounted on stud, and is passed through and be arranged
Support spring on stud is propped up, and the upper end of the stud is equipped with locking nut.
10. a kind of frock for being used to detect air tightness of workpiece according to claim 9, it is characterised in that：The pressing plate is L
Type structure, one end of the pressing plate are equipped with the bar hole passed through for stud upper end, and the other end of the pressing plate is placed on engine base
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465783.0A CN108106785A (en) | 2017-12-28 | 2017-12-28 | A kind of frock for being used to detect air tightness of workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465783.0A CN108106785A (en) | 2017-12-28 | 2017-12-28 | A kind of frock for being used to detect air tightness of workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108106785A true CN108106785A (en) | 2018-06-01 |
Family
ID=62214331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711465783.0A Pending CN108106785A (en) | 2017-12-28 | 2017-12-28 | A kind of frock for being used to detect air tightness of workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108106785A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795778A (en) * | 2020-08-08 | 2020-10-20 | 上海熠泰智能测控技术有限公司 | Air tightness detection device |
| CN112378593A (en) * | 2020-11-16 | 2021-02-19 | 江南工业集团有限公司 | Air tightness detection device for large-size steel pipe after spinning and closing and operation method thereof |
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| CN111795778A (en) * | 2020-08-08 | 2020-10-20 | 上海熠泰智能测控技术有限公司 | Air tightness detection device |
| CN112378593A (en) * | 2020-11-16 | 2021-02-19 | 江南工业集团有限公司 | Air tightness detection device for large-size steel pipe after spinning and closing and operation method thereof |
| CN112378593B (en) * | 2020-11-16 | 2022-11-22 | 江南工业集团有限公司 | Air tightness detection device for large-size steel pipe after spinning and closing and operation method thereof |
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Application publication date: 20180601 |