CN208872477U - The centre bore sealing device to leak hunting for workpiece - Google Patents
The centre bore sealing device to leak hunting for workpiece Download PDFInfo
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- CN208872477U CN208872477U CN201821233989.0U CN201821233989U CN208872477U CN 208872477 U CN208872477 U CN 208872477U CN 201821233989 U CN201821233989 U CN 201821233989U CN 208872477 U CN208872477 U CN 208872477U
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- workpiece
- centre bore
- central axis
- axis hole
- leak hunting
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Abstract
The utility model relates to a kind of centre bore sealing devices to leak hunting for workpiece, it includes lower jig, the closure trigger assembly set on lower jig upper side and with the elastic blocking component of workpiece central axis hole cooperation and for pressing elastic blocking component upper end；The elasticity blocking component stress is expanded to workpiece central axis hole internal perisporium outward, and the outlet end for extending to central axis hole to workpiece lumen room blocks.The purpose of this utility model is to provide a kind of centre bore sealing devices to leak hunting for workpiece.Utility model has the advantages that lower jig upper side is equipped with the elastic blocking component cooperated with workpiece central axis hole, lifting seat bottom surface is equipped with the closure for pressing elastic blocking component upper end and triggers pressure head, elastic blocking component stress is expanded to workpiece central axis hole internal perisporium outward, and the outlet end that central axis hole can be extended to independent detection chamber blocks；Furthermore it blocks triggering pressure head and is equipped with mesoporous closure part or mesoporous outlet portion, it can be achieved that air-leakage test and the detection of runner pass blocking.
Description
Technical field
The utility model relates to workpiece leak-checking apparatus, especially a kind of centre bore sealing device to leak hunting for workpiece.
Background technique
During the manufacturing of engine, the air-tightness of gray iron directly determines the qualification rate or even shadow of product
Ring the service performance of engine, therefore, the machine in engine add and assembly technology on leak test process is all scheduled, that is, to hair
Oil duct, water channel on motivation parts thereof carry out leak test, and amount of leakage need to be in certain acceptability limit, to avoid engine hair
The phenomenon that raw oil mixing with water or oil leak.
Summary of the invention
The purpose of this utility model is to provide a kind of centre bore sealing devices to leak hunting for workpiece.
The purpose of this utility model is achieved through the following technical solutions: a kind of centre bore sealing dress to leak hunting for workpiece
It sets, it includes lower jig, set on lower jig upper side and with the elastic blocking component of workpiece central axis hole cooperation and for pressing
The closure trigger assembly of elastic blocking component upper end；The elasticity blocking component stress is expanded to workpiece central axis hole inner circumferential outward
Wall, and the outlet end for extending to central axis hole to workpiece lumen room blocks.
For the prior art, match utility model has the advantages that lower jig upper side is equipped with workpiece central axis hole
The elastic blocking component of conjunction, lifting seat bottom surface are equipped with the closure for pressing elastic blocking component upper end and trigger pressure head, elasticity envelope
Blocking component stress is expanded to workpiece central axis hole internal perisporium outward, independent detection chamber can be extended to the outlet end of central axis hole into
Row blocks；Furthermore it blocks triggering pressure head and is equipped with mesoporous closure part or mesoporous outlet portion, it can be achieved that air-leakage test and runner are logical
Stifled detection.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model.
Fig. 2 is the structural schematic diagram of lower jig.
Fig. 3 is the structural schematic diagram for blocking trigger assembly.
Fig. 4 is the structural schematic diagram of utility model works state.
Fig. 5 is enlarged view at A in Fig. 4.
Fig. 6 is the section view of elastic blocking component.
Label declaration: 1 lower jig, 1-1 Special-shaped seal components, 1-2 internal channel, 2 elastic blocking components, 2-1 hollow tube, 2-2
Rubber block, 2-3 attachment base, 2-4 gland, 2-5 stomata, 2-6 threaded fasteners, 3 block trigger assembly, 3-1 lifting seat, 3-2 inspection
Survey driving assembly, 3-3 blocks triggering pressure head, 3-4 mesoporous closure part, 3-5 mesoporous outlet portion, 3-6 sealing ring, 4 workpiece, in 4-1
Chamber.
Specific embodiment
The content of the present invention is described in detail with embodiment with reference to the accompanying drawings of the specification:
It is as shown in Figures 1 to 6 a kind of reality of the centre bore sealing device to leak hunting for workpiece provided by the utility model
Illustration is applied to be intended to.
A kind of centre bore sealing device to leak hunting for workpiece, it include lower jig 1, be set to lower 1 upper side of jig and with
The elastic blocking component 2 that workpiece central axis hole cooperates and the closure trigger assembly 3 for pressing elastic 2 upper end of blocking component；Institute
It states elastic 2 stress of blocking component and is expanded to workpiece central axis hole internal perisporium outward, and central axis hole is extended to workpiece lumen room
Outlet end is blocked.
The trigger assembly 3 that blocks includes lifting seat 3-1, the detection driving assembly 3-2 for driving lifting seat 3-1 upper and lower displacement
And the closure triggering pressure head 3-3 of the bottom surface lifting seat 3-1 is set.
Hollow tube 2-1, hollow tube 2-1 inlet end and the inner cavity for extending to central axis hole are equipped in the elasticity blocking component 2
Room connection, the outlet side hollow tube 2-1 are located at the upper surface of elastic blocking component 2；
It is described block the triggering bottom surface pressure head 3-3 be equipped with the mesoporous closure part 3-4 of the outlet side hollow tube 2-1 corresponding matching or
Mesoporous outlet portion 3-5.
The outlet side of mesoporous closure part 3-4 centring hole pipe 2-1 is blocked；Mesoporous outlet portion 3-5 is equipped with channel, channel
Import is docked with the outlet side of hollow tube 2-1, and channel outlet, which is located at, blocks triggering pressure head 3-3 side wall.
The mesoporous closure part 3-4 and mesoporous outlet portion 3-5 is equipped with sealing ring 3-6.
Mesoporous outlet portion 3-5 is equipped with pneumatic ball valve.
1 upper side of lower jig is equipped with the Special-shaped seal components that will be covered in workpiece thereon and be separated into several independent inner cavity chamber
1-1 offers the internal channel 1-2 for being connected to more than one independent inner cavity chamber inside lower jig 1.
One or more is arranged in the internal channel 1-2 altogether, and all independent inner cavity chamber are divided into one group or more by each internal channel 1-2
Non-interference detection connection group.
The bottom surface lifting seat 3-1 is additionally provided with leak hunting component and/or the survey pass blocking component that group corresponding matching is connected to each detection；
The component that leaks hunting include connect with leak detector and to detection connection group inner cavity supply gas leak hunting air inlet pressure head and
It is several to block pressure head for blocking leaking hunting for side through hole on workpiece corresponding to detection connection group；
If it is described survey pass blocking component include connect with flow instrument and to detect connection group inner cavity supply gas pass blocking air inlet pressure head,
Do the pass blocking for blocking side through hole on workpiece corresponding to detection connection group block pressure head and it is several be connected to detection group it is right
Answer the pass blocking outlet pressure head that side through hole cooperates on workpiece.
The upper side of lower jig 1 is equipped with the air inlet detection mouth for being connected to internal channel, and the outlet branch of internal channel extends to solely
The downside of vertical inner cavity chamber；The air inlet detection mouth and leak hunting air inlet pressure head or pass blocking air inlet pressure head corresponding matching.
It is described elasticity blocking component 2 include with the matched rubber block 2-2 of central axis hole, be fixedly arranged on lower jig 1 and be located at rubber
Attachment base 2-3 on the downside of the block 2-2 and gland 2-4 set on the upper end rubber block 2-2；Gland 2-4 is equipped with to go out with hollow tube 2-1
The corresponding stomata 2-5 in gas end.
The attachment base 2-3, rubber block 2-2 and gland 2-4 are threadably secured part 2-6 and are locked.
The rubber block 2-2 is cylindricality silicon rubber.
Utility model works process is as follows:
1. workpiece to be detected is placed on lower jig 1, workpiece central axis hole is located at 2 periphery of elastic blocking component, profiled seal
Workpiece is separated into several independent inner cavity chamber by part 1-1, and all independent inner cavity chamber are divided into one group or more by internal channel 1-2 does not do mutually
The detection connection group related to；
Let it be assumed, for the purpose of illustration, that workpiece is divided into two detection connection groups, respectively detection connection group A is connected to group B with detection；
The outlet end of detection connection group A Zhong Youyige inner cavity chamber is located at central axis hole internal perisporium, and detecting in connection group B also has one
The outlet end of a inner cavity chamber is located at central axis hole internal perisporium.
It drives lifting seat 3-1 to push 2. detecting driving assembly 3-2, blocks triggering pressure head 3-3 and press on elastic blocking component 2
End, elastic 2 stress of blocking component are expanded to workpiece central axis hole internal perisporium outward, the outlet to inner cavity chamber in detection connection group A
End and the outlet end for detecting inner cavity chamber in connection group B are blocked.
3. the air inlet detection mouth that the air inlet pressure head that leaks hunting alignment is connected with detection connection group A leaks hunting and blocks pressure head to detection company
Side through hole is blocked on workpiece corresponding to logical group A, and the hollow tube 2-1 that group A connection is connected to detection docks mesoporous closure part 3-
4, the air inlet pressure head that leaks hunting is supplied gas to detection connection group A, and the outlet end of detection connection group A all seals, and is connected to realize to detection
The airtight detection of logical group A.
4. the air inlet detection mouth that pass blocking air inlet pressure head alignment simultaneously is connected with detection connection group B, pass blocking blocks pressure head to inspection
It surveys side through hole on workpiece corresponding to connection group B to be blocked, the hollow tube 2-1 that group B connection is connected to detection docks mesoporous outlet
Portion 3-5, when surveying pass blocking assembly operating, pneumatic ball valve is opened, and pass blocking air inlet pressure head is supplied gas by air inlet detection mouth inward channel, gas
Stream successively by inside workpiece tunnel inlets side inner chamber body, measurement flow channel to be checked, runner exit side inner chamber body, hollow tube 2-1 and
Mesoporous outlet portion 3-5, is finally discharged by pneumatic ball valve, and whether flow instrument judges to detect the runner on connection group B according to throughput
It blocks.
5. replacing detection station, pass blocking detection is carried out to detection connection group A, airtight detection is carried out to detection connection group B.
Claims (10)
1. a kind of centre bore sealing device to leak hunting for workpiece, it is characterised in that: it includes lower jig (1), is set to lower jig
(1) upper side and with workpiece central axis hole cooperation elastic blocking component (2) and for pressing elastic blocking component (2) upper end
It blocks trigger assembly (3)；Described elasticity blocking component (2) stress is expanded to workpiece central axis hole internal perisporium outward, and to workpiece
The outlet end that inner cavity chamber extends to central axis hole is blocked.
2. the centre bore sealing device according to claim 1 to leak hunting for workpiece, it is characterised in that: the closure triggering
Component (3) includes lifting seat (3-1), the detection driving assembly (3-2) of lifting seat (3-1) upper and lower displacement and setting is driven to rise
The closure for dropping the bottom surface seat (3-1) triggers pressure head (3-3).
3. the centre bore sealing device according to claim 2 to leak hunting for workpiece, it is characterised in that: the elasticity blocks
It is equipped with hollow tube (2-1) in component (2), hollow tube (2-1) inlet end is connected to the inner cavity chamber for extending to central axis hole, hollow tube
The outlet side (2-1) is located at the upper surface of elastic blocking component (2)；
The triggering pressure head bottom surface (3-3) that blocks is equipped with the mesoporous closure part (3-4) with the outlet side hollow tube (2-1) corresponding matching
Or mesoporous outlet portion (3-5).
4. the centre bore sealing device according to claim 3 to leak hunting for workpiece, it is characterised in that: the mesoporous outlet
Portion (3-5) is equipped with channel, and channel entrance is docked with the outlet side of hollow tube (2-1), and channel outlet, which is located at, blocks triggering pressure head
(3-3) side wall.
5. the centre bore sealing device according to claim 4 to leak hunting for workpiece, it is characterised in that: the mesoporous outlet
Portion (3-5) is equipped with pneumatic ball valve.
6. the centre bore sealing device according to claim 1 to leak hunting for workpiece, it is characterised in that: the lower jig
(1) upper side is equipped with the sealing element (1-1) that will be covered in workpiece thereon and be separated into several independent inner cavity chamber, and lower jig (1) is internal
Offer the internal channel (1-2) for being connected to more than one independent inner cavity chamber.
7. the centre bore sealing device according to claim 6 to leak hunting for workpiece, it is characterised in that: the internal channel
One or more is arranged in (1-2) altogether, and all independent inner cavity chamber are divided into one group or more non-interference detection by each internal channel (1-2)
Connection group.
8. the centre bore sealing device to leak hunting described in -7 any one for workpiece according to claim 1, it is characterised in that: institute
State elastic blocking component (2) include with the matched rubber block of central axis hole (2-2), be fixedly arranged on lower jig (1) and be located at rubber block (2-
2) attachment base (2-3) on the downside of and the gland (2-4) set on the upper end rubber block (2-2)；Gland (2-4) is equipped with and hollow tube
The corresponding stomata (2-5) in the outlet side (2-1).
9. the centre bore sealing device according to claim 8 to leak hunting for workpiece, it is characterised in that: the attachment base
(2-3), rubber block (2-2) and gland (2-4) are threadably secured part (2-6) and are locked.
10. the centre bore sealing device according to claim 8 to leak hunting for workpiece, it is characterised in that: the rubber block
(2-2) is cylindricality silicon rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821233989.0U CN208872477U (en) | 2018-08-01 | 2018-08-01 | The centre bore sealing device to leak hunting for workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821233989.0U CN208872477U (en) | 2018-08-01 | 2018-08-01 | The centre bore sealing device to leak hunting for workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208872477U true CN208872477U (en) | 2019-05-17 |
Family
ID=66463799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821233989.0U Active CN208872477U (en) | 2018-08-01 | 2018-08-01 | The centre bore sealing device to leak hunting for workpiece |
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| Country | Link |
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| CN (1) | CN208872477U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024317A (en) * | 2019-12-27 | 2020-04-17 | 宁波旭升汽车技术股份有限公司 | A device that leaks hunting for gearbox casing |
| CN111024318A (en) * | 2019-12-27 | 2020-04-17 | 宁波旭升汽车技术股份有限公司 | A device that leaks hunting for gearbox valve body |
| CN111595520A (en) * | 2019-12-27 | 2020-08-28 | 宁波旭升汽车技术股份有限公司 | Method for detecting air tightness of gearbox shell by using leakage detection device |
| CN111855084A (en) * | 2019-12-27 | 2020-10-30 | 宁波旭升汽车技术股份有限公司 | Method for detecting air tightness of gearbox valve body by using leakage detection device |
| CN115839449A (en) * | 2023-02-15 | 2023-03-24 | 南京泰普森自动化设备有限公司 | Expansion plug sealing device |
-
2018
- 2018-08-01 CN CN201821233989.0U patent/CN208872477U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024317A (en) * | 2019-12-27 | 2020-04-17 | 宁波旭升汽车技术股份有限公司 | A device that leaks hunting for gearbox casing |
| CN111024318A (en) * | 2019-12-27 | 2020-04-17 | 宁波旭升汽车技术股份有限公司 | A device that leaks hunting for gearbox valve body |
| CN111595520A (en) * | 2019-12-27 | 2020-08-28 | 宁波旭升汽车技术股份有限公司 | Method for detecting air tightness of gearbox shell by using leakage detection device |
| CN111855084A (en) * | 2019-12-27 | 2020-10-30 | 宁波旭升汽车技术股份有限公司 | Method for detecting air tightness of gearbox valve body by using leakage detection device |
| CN115839449A (en) * | 2023-02-15 | 2023-03-24 | 南京泰普森自动化设备有限公司 | Expansion plug sealing device |
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