CN210034391U - Airtight sealing plugging device - Google Patents
Airtight sealing plugging device Download PDFInfo
- Publication number
- CN210034391U CN210034391U CN201920707021.5U CN201920707021U CN210034391U CN 210034391 U CN210034391 U CN 210034391U CN 201920707021 U CN201920707021 U CN 201920707021U CN 210034391 U CN210034391 U CN 210034391U
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- CN
- China
- Prior art keywords
- plugging
- oil cylinder
- sealing
- rod
- seat
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- 238000007789 sealing Methods 0.000 title claims abstract description 52
- 230000000903 blocking effect Effects 0.000 claims abstract description 24
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Abstract
An airtight sealing and plugging device comprises an oil cylinder base, an oil cylinder arranged on the oil cylinder base and a plugging mechanism in transmission connection with the oil cylinder, wherein the plugging mechanism comprises a plugging connecting plate, a plugging base, a compression spring, a plugging sleeve, a cylindrical pin, a first O-shaped sealing ring, a second O-shaped sealing ring, a third O-shaped sealing ring, a plugging rod, a plugging ejector rod, an expanding-plugging O-shaped sealing ring and a surface-plugging sealing element, and the plugging rod is in sliding fit connection with the plugging base; the plugging sleeve and the surface plugging sealing element are sleeved on the plugging rod through a first O-shaped ring and a second O-shaped ring respectively and are fixedly connected with the plugging rod through a cylindrical pin; the compression spring is positioned between the plugging sleeve and the plugging seat; the third O-shaped ring and the expanding and blocking O-shaped ring are arranged on the blocking ejector rod; the plugging ejector rod is connected with the plugging rod through threads. The utility model discloses can use well on full-automatic sealing equipment, solve have the through-hole on the work piece, have the inclined hole in, need terminal surface and interior terminal surface simultaneously sealed shutoff problem.
Description
Technical Field
The utility model relates to an airtight sealing plugging device.
Background
The air tightness detection technology is widely applied to the aspects of automobiles, spaceflight, medical instruments, civil equipment and the like. The air bubble leakage tightness detection method and the air pressure tightness detection method are most commonly applied in industrial production. The pneumatic tightness test method can be classified into a direct pressure tightness test method and a differential pressure tightness test method. However, in any of these inspection methods, the work is formed into a sealed inspection container, and the sealing performance of the work is inspected by a leak meter. If the detected workpiece can not be sealed and blocked by a reasonable method, a closed container is formed, and whether the workpiece is qualified or not can not be detected and judged. The modern machining level is improved, workpieces become very complex, the shapes of various holes and surfaces are also very peculiar, and higher requirements are brought to sealing and plugging. How to adopt a correct plugging mode is the key point of automatic sealing detection.
At present, the engine production in the domestic automobile industry needs to be sealed and detected, particularly, a cylinder body and a cylinder cover of the engine are relatively complex parts and need to be sealed and detected, otherwise, the safety quality problem of the automobile cannot be guaranteed, and huge economic loss is caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is exactly to above-mentioned problem provide an airtight sealing plugging device, the device structure is simpler, and sealed effect is splendid, and the life-span of sealing member is longer.
The utility model provides a technical scheme is: an airtight sealing and plugging device comprises an oil cylinder, the oil cylinder arranged on an oil cylinder seat and a plugging mechanism in transmission connection with the oil cylinder, wherein the plugging mechanism comprises a plugging connecting plate, a plugging seat, a compression spring, a plugging sleeve, a cylindrical pin, a first O-shaped sealing ring, a second O-shaped sealing ring, a third O-shaped sealing ring, a plugging rod, a plugging ejector rod, an expanding-plugging O-shaped sealing ring and a surface-plugging sealing element, and the plugging rod is in sliding fit connection with the plugging seat; the plugging sleeve and the surface plugging sealing element are sleeved on the plugging rod through a first O-shaped ring and a second O-shaped ring respectively and are fixedly connected with the plugging rod through a cylindrical pin; the compression spring is positioned between the plugging sleeve and the plugging seat; the third O-shaped ring and the expanding and blocking O-shaped ring are arranged on the blocking ejector rod; the plugging ejector rod is connected with the plugging rod through threads.
The shutoff seat passes through bolted connection with the shutoff connecting plate.
The oil cylinder is provided with a guide rod in transmission connection with the oil cylinder, the plugging mechanism is provided with an oil cylinder connector, an oil cylinder connector pressing plate and a plugging connecting plate, and the plugging connecting plate, the oil cylinder connector pressing plate, the oil cylinder connector and the guide rod are sequentially connected.
The oil cylinder base is provided with a bearing seat, and the oil cylinder is connected with the oil cylinder base through a bolt; the guide rod is connected with the bearing seat in a sliding fit manner through an oilless bearing; the guide rod is provided with a limiting sleeve, and the limiting sleeve is connected with the guide rod through a screw; the oil cylinder seat is provided with a sensor bracket, the sensor bracket is provided with an oil cylinder piston position sensor, the guide rod is provided with a limiting sleeve, and the limiting sleeve is connected with the guide rod through a screw; the sensor is arranged on the running track of the limiting sleeve.
The utility model discloses during the use, install whole airtight sealed plugging device on equipment, work piece when being detected is ready, hydraulic system is started through program control to equipment, through the guide bar, the pneumatic cylinder action that hydro-cylinder joint clamp plate and shutoff connecting plate link to each other, the shutoff connecting plate drives the shutoff pole, the shutoff cover, the shutoff ejector pin carries out the shutoff to the work piece hole that is detected together, receive reverse direction effect when the face shutoff sealing member contacts earlier the outer terminal surface that is detected the work piece hole, the spring compressive deformation, the outer terminal surface that the face shutoff sealing member realized the hole is sealed, the face shutoff sealing member drives the seal cover and moves backward, the cylindric lock on the seal cover drives the shutoff pole and slides backward in the shutoff seat, the shutoff ejector pin on connecting the shutoff pole also moves backward, stifled O type circle compressive radial deformation rises, realize the downthehole plug that rises.
The utility model discloses during the use, there is oval hole groove on the shutoff seat, and shutoff pole, shutoff cover radially move together along the cylindric lock, finish when the work piece detects, and the hydro-cylinder action returns, and initial state is resumeed to seal cover, shutoff pole, shutoff ejector pin under the effect of spring force, and the sensor detects the condition in place of hydro-cylinder piston.
Drawings
FIG. 1 is a view showing the structure of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 1;
FIG. 4 is a cross-sectional view of the occlusive core component;
FIG. 5 is a cross-sectional view of a plugging rod;
FIG. 6 is a cross-sectional view of the occlusion seat;
FIG. 7 is a cross-sectional view of the occluding sheath;
fig. 8 is a sectional view of the plugging mandril.
Detailed Description
Referring to fig. 1-8, the utility model comprises a compression spring 10 mounted on a spring seat 9, the spring seat 9 mounted on a plugging seat 8; the gasket 16, the third O-shaped ring 17 and the expanding and blocking O-shaped ring 19 are arranged on the blocking ejector rod 18; the plugging mandril 18 is connected with the plugging rod 20 through threads; the plugging rod 20 is connected with the plugging seat 8 in a sliding fit manner through a cylindrical pin 12 (axial motion limiting function); the surface blocking sealing piece 14, the first O-shaped ring 13 and the second O-shaped ring 15 are fixed, and the blocking sleeve 11 is connected with the blocking rod 20 and the blocking seat 8 in a sliding fit mode through the cylindrical pin 12. The plugging seat 8 is connected with the plugging connecting plate 7 through a bolt; the plugging connecting plate 7 is connected with the guide rod 21 through the oil cylinder joint pressing plate 6; the oil cylinder 4 is connected with an oil cylinder joint pressure plate 6 through an oil cylinder joint 5. The oil cylinder 4 is connected with the oil cylinder base 1 through a bolt; the guide rod 21 is connected with a bearing seat 24 in a sliding fit manner through an oilless bearing 23; the limiting sleeve 22 is connected with the guide rod 21 through a screw; the bearing block 24 is connected with the oil cylinder block 1; the sensor bracket 2 is connected with the oil cylinder base 1; the sensor 3 is mounted on the sensor holder 2. The first and third O- rings 13 and 17 function to prevent the leakage of the enclosed gas from the sliding portion, and the second O-ring 15 functions to prevent the slippage of the face seal 14.
The working process of the utility model is as follows:
the whole airtight sealing and plugging device is installed on equipment, and when a detected workpiece is ready, the equipment starts a hydraulic system through program control. The oil cylinder 4 connected with the plugging connecting plate 7 acts through the guide rod 21 and the oil cylinder joint pressing plate 6, and the plugging connecting plate 7 drives the plugging rod 20, the plugging sleeve 11 and the plugging mandril 18 to plug the workpiece hole to be detected; when the surface blocking sealing element 14 contacts the outer end surface of the detected workpiece hole firstly, the surface blocking sealing element is stressed in the opposite direction, the compression spring 10 is compressed and deformed, the surface blocking sealing element 14 is deformed to realize the sealing of the outer end surface of the hole, the surface blocking sealing element 14 drives the blocking sleeve 11 to move backwards, the cylindrical pin 12 on the blocking sleeve 11 drives the blocking rod 20 to slide backwards in the blocking seat 8, the blocking ejector rod 18 connected with the blocking rod 20 also moves backwards, and the expansion blocking O-shaped ring 19 is compressed and radially deformed to realize the expansion blocking in the hole.
The plugging seat 8 is provided with a kidney-shaped hole groove, the cylindrical pin 12 can slide in the hole groove in the radial direction, when the workpiece is detected, the oil cylinder 4 returns, the sealing sleeve 11, the plugging rod 20 and the plugging ejector rod 18 recover to the initial state under the action of the spring force of the compression spring 10, the sensor 3 detects the in-place condition of the piston of the oil cylinder 4, and the limiting sleeve 22 controls the feeding stroke of the oil cylinder 4.
Claims (5)
1. An airtight sealing plugging device which characterized in that: the oil cylinder sealing device comprises an oil cylinder seat, an oil cylinder arranged on the oil cylinder seat and a sealing mechanism in transmission connection with the oil cylinder, wherein the sealing mechanism comprises a sealing connecting plate, a sealing seat, a compression spring, a sealing sleeve, a cylindrical pin, a first O-shaped sealing ring, a second O-shaped sealing ring, a third O-shaped sealing ring, a sealing rod, a sealing ejector rod, an expansion sealing O-shaped sealing ring and a surface sealing part, and the sealing rod is connected with the sealing seat in a sliding fit manner; the plugging sleeve and the surface plugging sealing element are sleeved on the plugging rod through a first O-shaped ring and a second O-shaped ring respectively and are fixedly connected with the plugging rod through a cylindrical pin; the compression spring is positioned between the plugging sleeve and the plugging seat; the third O-shaped ring and the expanding and blocking O-shaped ring are arranged on the blocking ejector rod; the plugging ejector rod is connected with the plugging rod through threads.
2. The hermetically sealed plugging device of claim 1, wherein: the plugging seat is connected with the plugging connecting plate through a bolt.
3. The hermetically sealed plugging device of claim 1, wherein: the oil cylinder is provided with a guide rod in transmission connection with the oil cylinder, the plugging mechanism is provided with an oil cylinder connector, an oil cylinder connector pressing plate and a plugging connecting plate, and the plugging connecting plate, the oil cylinder connector pressing plate, the oil cylinder connector and the guide rod are sequentially connected.
4. The hermetically sealed plugging device of claim 3, wherein: the oil cylinder base is provided with a bearing seat, and the oil cylinder is connected with the oil cylinder base through a bolt; the guide rod is connected with the bearing seat in a sliding fit manner through an oilless bearing; and a sensor support is arranged on the oil cylinder seat, and an oil cylinder piston position sensor is arranged on the sensor support.
5. The hermetically sealed plugging device of claim 4, wherein: the guide rod is provided with a limiting sleeve, and the limiting sleeve is connected with the guide rod through a screw; the sensor is arranged on the running track of the limiting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920707021.5U CN210034391U (en) | 2019-05-16 | 2019-05-16 | Airtight sealing plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920707021.5U CN210034391U (en) | 2019-05-16 | 2019-05-16 | Airtight sealing plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210034391U true CN210034391U (en) | 2020-02-07 |
Family
ID=69366010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920707021.5U Active CN210034391U (en) | 2019-05-16 | 2019-05-16 | Airtight sealing plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210034391U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378586A (en) * | 2020-10-30 | 2021-02-19 | 中国科学院沈阳自动化研究所 | Full-automatic self-adaptive aligning and plugging mechanism for throat part of large-sized cavity workpiece |
| CN114593878A (en) * | 2022-03-10 | 2022-06-07 | 博众精工科技股份有限公司 | Air tightness testing device |
-
2019
- 2019-05-16 CN CN201920707021.5U patent/CN210034391U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378586A (en) * | 2020-10-30 | 2021-02-19 | 中国科学院沈阳自动化研究所 | Full-automatic self-adaptive aligning and plugging mechanism for throat part of large-sized cavity workpiece |
| CN114593878A (en) * | 2022-03-10 | 2022-06-07 | 博众精工科技股份有限公司 | Air tightness testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 430000, 21st Floor, Chensheng Center, No. 130 Shipailing Road, Wuchang District, Wuhan City, Hubei Province Patentee after: Hubei Provincial Institute of Mechanical and Electrical Engineering Group Co.,Ltd. Address before: 430070 Hubei Province, Wuhan city Wuchang District shipailing No. 118 Patentee before: HUBEI MECHANICAL AND ELECTRICAL RESEARCH AND DESIGN INSTITUTE CO.,LTD. |