CN106969143A - A kind of thin-walled unthreaded hole sealing device - Google Patents
A kind of thin-walled unthreaded hole sealing device Download PDFInfo
- Publication number
- CN106969143A CN106969143A CN201610021509.3A CN201610021509A CN106969143A CN 106969143 A CN106969143 A CN 106969143A CN 201610021509 A CN201610021509 A CN 201610021509A CN 106969143 A CN106969143 A CN 106969143A
- Authority
- CN
- China
- Prior art keywords
- resilient sleeve
- taper
- packing ring
- unthreaded hole
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/002—Sealings comprising at least two sealings in succession
-
- 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
Abstract
Pin 1, resilient sleeve 2, big rubber blanket 3, step packing ring 4, small rubber pad 5, nut 6, seal plug 7 are drawn the invention discloses a kind of thin-walled unthreaded hole sealing device, including taper;Taper draws pin 1 to be placed in resilient sleeve 2, and both internal and external threads are mutually screwed, and is placed in the sealed unthreaded hole of needs, taper draws the male cone (strobilus masculinus) on pin 1 to be engaged with the inner conical surface of resilient sleeve 2;Rotate taper and draw pin 1, the evagination step of resilient sleeve 2 is blocked the inwall of unthreaded hole on vacuum chamber;Big rubber blanket 3 is placed at the outer of unthreaded hole;The step of step packing ring 4 pushes down big rubber blanket 3, then nut 6 is screwed in resilient sleeve 2;Continuing turn nut 6 makes the step of step packing ring 4 that big rubber blanket 3 is pushed down into realization sealing;Small rubber pad 5 is placed on again on the planar ends of step packing ring 4, the external screw thread that seal plug 7 is screwed in resilient sleeve 2, continuing rotatory sealing stifled 7 makes its circular step be compacted small rubber pad 5, realizes excellent sealing.
Description
Technical field
The invention belongs to Fixture Design technical field, it is related to a kind of thin-walled unthreaded hole sealing device.
Background technology
In airplane component manufacturing process, it is the important work that must be carried out that Airplane's Oil Way pipe fitting, which is suppressed,.Together
When also frequently encounter the peculiar parts such as various oil circuit pipe fittings, vacuum chamber suppress sealed situation.
The vacuum chamber is that, by several piece, have effigurate aluminium sheet Combination Welding and form.There is a unthreaded hole on the casing.
In order to examine the sealing of the vacuum chamber, it is necessary to which the vacuum chamber is carried out into bulge test.Must be by the unthreaded hole on the housing
Sealing.Because the vaccum case structure is special cause that bulge test air-tightness can not be normally carried out.
The content of the invention
The purpose of the present invention:The present invention provides a kind of thin-walled unthreaded hole sealing device, and the device is mainly characterized by, by vacuum
Unthreaded hole on casing, draws pin, resilient sleeve, rubber blanket, cover plate, nut, seal plug to be sealed by taper, and can guarantee that permanent
Sealing.
Technical scheme:A kind of thin-walled unthreaded hole sealing device, including:Taper draws pin (1), resilient sleeve (2), big rubber
Rubber cushion (3), step packing ring (4), small rubber pad (5), nut (6), seal plug (7);
Taper draws pin (1) one end to be taper step (8), and the other end is threaded rod (9), and the end machining of threaded rod (9) has
Symmetrical platform (10);Rotate when taper draws pin (1) and use for spanner;
One end of resilient sleeve (2) is machined with step (11) and step (12), and several uniform narrow slots are provided with simultaneously at the end
(13);The inside at the end is machined with a tapered hole (14);The small end of tapered hole (14) is machined with one section of unthreaded hole (15);In resilient sleeve
(2) the other end is machined with external screw thread (16) and symmetrical platform (17), and symmetrical platform (17) is easy to spanner to hold, makes elasticity
Set (2) is not rotated, and to ensure the relative motion of miscellaneous part and resilient sleeve (2), hole (18) is threaded at the center at the end;
Big rubber blanket (3) and small rubber pad (5) are annulars;Step packing ring (4), a transverse plane, the other end, which is one, has one fixed width
Annular step surface (19);
One end of seal plug (7) is machined with a centre bore (20);The diameter of the centre bore (20) is more than the maximum of nut (6)
Outside dimension, the thickness of depth big nut (6);Centre bore (20) and external diameter formation ring-shaped step (21);In centre bore (20)
Bottom is machined with a screwed hole (22);The other end of seal plug (7) is machined with six square toes (23), is used when being tightened for spanner.
Taper draws pin (1) to be placed in resilient sleeve (2), and both internal and external threads are mutually screwed, the taper after screwing draw pin (1) and
Resilient sleeve (2) is placed in the sealed unthreaded hole of needs, and taper draws the male cone (strobilus masculinus) on pin (1) to be engaged with the inner conical surface of resilient sleeve (2);
Continue to rotate taper and draw to sell (1), by resilient sleeve (2) spreading, the evagination step of resilient sleeve (2) is blocked unthreaded hole on vacuum chamber
Inwall;Big rubber blanket (3) is placed at the outer of unthreaded hole;Step packing ring (4) by screwing after taper draw pin (1) and resilient sleeve
(2), the step of step packing ring (4) pushes down big rubber blanket (3), then nut (6) is screwed in resilient sleeve (2);Continue turn spiral shell
Female (6) make the step of step packing ring (4) that big rubber blanket (3) is pushed down into realization sealing;Small rubber pad (5) is placed on step pad again
The planar ends of (4) are enclosed, on the external screw thread that seal plug (7) is screwed in resilient sleeve (2), continuing rotatory sealing stifled (7) makes its ring-type platform
Small rubber pad (5) is compacted by rank, realizes sealing;
Advantages of the present invention:Simple in construction, low manufacture cost of the invention, it is safe and reliable, it can guarantee that permanent good sealing
Effect.
Brief description of the drawings:
Fig. 1 is the structural representation that back-up ring is bumped into pincers.1:Tong arm, 2:Push rod, 3:Support, 4:Pin, 5:Knurled nut, 6:
Handle, 22:Check ring.
Fig. 2 is tong arm (1) dimensional structure diagram.7:Arc steps;8:Inner arc, 9:Rectangular channel, 10:Circular hole, 11:Tail
Portion's circular arc.
Fig. 3 is push rod (2) dimensional structure diagram.12:Thin cylinder;13:Threaded rod.
Fig. 4 is support (3) dimensional structure diagram.14:Deep hole, 15:Deep trouth, 16:Rectangular through-hole, 17:Pin hole, 18:
Cylindrical thread.
Fig. 5 is handle (6) dimensional structure diagram.19:Screwed hole, 20:Taper face.
Fig. 6 is the structural representation of step packing ring (4) of the present invention.Wherein, 19 be annular step surface.
Fig. 7 is the structural representation of small rubber pad (5) of the present invention.
Fig. 8 is the structural representation of seal plug of the present invention (7).Wherein, 20 be centre bore, and 21 be ring-shaped step, and 22 be spiral shell
Pit.
Fig. 9 is the structural representation of seal plug of the present invention (7).Wherein, 23 be six square toes.
Embodiment:The present invention is described in further details below.(referring to Fig. 1~Fig. 6), a kind of thin-walled unthreaded hole
Sealing device includes:Taper draws pin (1), resilient sleeve (2), big rubber blanket (3), step packing ring (4), small rubber pad (5), nut
(6), seal plug (7).Taper draws pin (1) one end to be taper step (8), and the other end is threaded rod (9), the termination of threaded rod (9)
It is machined with symmetrical platform (10);Rotate when taper draws pin (1) and use for spanner;
One end of resilient sleeve (2) is machined with step (11) and step (12), and several uniform narrow slots are provided with simultaneously at the end
(13);The inside at the end is machined with a tapered hole (14);The small end of tapered hole (14) is machined with one section of unthreaded hole (15);In resilient sleeve
(2) the other end is machined with external screw thread (16) and symmetrical platform (17), and symmetrical platform (17) is easy to spanner to hold, makes elasticity
Set (2) is not rotated, and to ensure the relative motion of miscellaneous part and resilient sleeve (2), hole (18) is threaded at the center at the end;
Big rubber blanket (3) and small rubber pad (5) are annulars;Step packing ring (4), a transverse plane, the other end, which is one, has one fixed width
Annular step surface (19);
One end of seal plug (7) is machined with a centre bore (20);The diameter of the centre bore (20) is more than the maximum of nut (6)
Outside dimension, the thickness of depth big nut (6);Centre bore (20) and external diameter formation ring-shaped step (21);In centre bore (20)
Bottom is machined with a screwed hole (22);The other end of seal plug (7) is machined with six square toes (23), is used when being tightened for spanner.
During work, first draw pin (1) to be put into resilient sleeve (2) taper, both internal and external threads is mutually screwed, then will screw
Taper afterwards draws pin (1) and resilient sleeve (2) to be put into the sealed vaccum case unthreaded hole of needs, and rotation taper draws pin (1), makes taper
The male cone (strobilus masculinus) (8) on pin (1) is drawn to be engaged with the inner conical surface (14) of resilient sleeve (2).Continue to rotate taper and draw to sell (1), by elasticity
(2) spreading is covered, the evagination step (11) of resilient sleeve (2) is blocked the inwall of unthreaded hole on vacuum chamber.Big rubber blanket (3) is put again
Put in the outer of unthreaded hole.Step packing ring (4) by screwing after taper draw pin (1) and resilient sleeve (2), the platform of step packing ring (4)
Rank (19) pushes down big rubber blanket (3), then nut (6) is screwed on the external screw thread (16) in resilient sleeve (2).Continue turn nut
(6) make the step (19) of step packing ring (4) that big rubber blanket (3) is pushed down into realization sealing.Small rubber pad (5) is placed on step again
On the planar ends of packing ring (4), the external screw thread that seal plug (7) is screwed in resilient sleeve (2), continuing rotatory sealing stifled (7) makes its ring-type
Small rubber pad (5) is compacted by step (21), realizes sealing, and now unthreaded hole sealing is completely sealed, and finally realizes that vaccum case is welded
Seam is placed in the range of bulge test.
Claims (1)
1. a kind of thin-walled unthreaded hole sealing device, it is characterised in that including taper draw pin (1), resilient sleeve (2), big rubber blanket (3),
Step packing ring (4), small rubber pad (5), nut (6), seal plug (7);
Taper draws pin (1) one end to be taper step (8), and the other end is threaded rod (9), and the end machining of threaded rod (9) has symmetrically
Platform (10);Rotate when taper draws pin (1) and use for spanner;
One end of resilient sleeve (2) is machined with step (11) and step (12), and several uniform narrow slots (13) are provided with simultaneously at the end;
The inside at the end is machined with a tapered hole (14);The small end of tapered hole (14) is machined with one section of unthreaded hole (15);In resilient sleeve (2)
The other end is machined with external screw thread (16) and symmetrical platform (17), and symmetrical platform (17) is easy to spanner to hold, makes resilient sleeve (2)
Do not rotate, to ensure the relative motion of miscellaneous part and resilient sleeve (2), hole (18) is threaded at the center at the end;Big rubber
Rubber cushion (3) and small rubber pad (5) are annulars;Step packing ring (4), a transverse plane, the other end, which is one, has the ring of one fixed width
Shape step surface (19);
One end of seal plug (7) is machined with a centre bore (20);The diameter of the centre bore (20) is more than the maximum outside diameter of nut (6)
Size, the thickness of depth big nut (6);Centre bore (20) and external diameter formation ring-shaped step (21);Bottom in centre bore (20)
It is machined with a screwed hole (22);The other end of seal plug (7) is machined with six square toes (23), is used when being tightened for spanner;
Taper draws pin (1) to be placed in resilient sleeve (2), and both internal and external threads are mutually screwed, and the taper after screwing draws pin (1) and elasticity
Set (2) is placed in the sealed unthreaded hole of needs, and taper draws the male cone (strobilus masculinus) on pin (1) to be engaged with the inner conical surface of resilient sleeve (2);Continue
Rotate taper and draw pin (1), by resilient sleeve (2) spreading, the evagination step of resilient sleeve (2) is blocked the interior of unthreaded hole on vacuum chamber
Wall;Big rubber blanket (3) is placed at the outer of unthreaded hole;Step packing ring (4) by screwing after taper draw pin (1) and resilient sleeve (2),
The step of step packing ring (4) pushes down big rubber blanket (3), then nut (6) is screwed in resilient sleeve (2);Continue turn nut (6)
Make the step of step packing ring (4) that big rubber blanket (3) is pushed down into realization sealing;Small rubber pad (5) is placed on step packing ring (4) again
Planar ends, will seal plug (7) screw in resilient sleeve (2) external screw thread on, continue rotatory sealing block up (7) make its circular step will be small
Rubber blanket (5) is compacted, and realizes sealing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610021509.3A CN106969143A (en) | 2016-01-13 | 2016-01-13 | A kind of thin-walled unthreaded hole sealing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610021509.3A CN106969143A (en) | 2016-01-13 | 2016-01-13 | A kind of thin-walled unthreaded hole sealing device |
Publications (1)
Publication Number | Publication Date |
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CN106969143A true CN106969143A (en) | 2017-07-21 |
Family
ID=59334694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610021509.3A Pending CN106969143A (en) | 2016-01-13 | 2016-01-13 | A kind of thin-walled unthreaded hole sealing device |
Country Status (1)
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CN (1) | CN106969143A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109237023A (en) * | 2018-09-20 | 2019-01-18 | 武汉船用机械有限责任公司 | A kind of blocking technological holes structure and method for blocking |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4177999A (en) * | 1978-09-11 | 1979-12-11 | Allis-Chalmers Corporation | Infinitely adjustable bearing seal for non-parallel surfaces |
CA1226103A (en) * | 1983-11-28 | 1987-09-01 | Lewis B. Izzi, Sr. | Toilet bowl gasket of rubberlike material |
CN201007348Y (en) * | 2006-12-20 | 2008-01-16 | 广西玉柴机器股份有限公司 | Conical-screw hole auxiliary sealing device |
CN102207235A (en) * | 2011-06-03 | 2011-10-05 | 哈尔滨飞机工业集团有限责任公司 | Pipe joint sealing device |
CN202023920U (en) * | 2011-03-30 | 2011-11-02 | 宁波宝迪汽车部件有限公司 | Rubber seal washer for automobiles |
CN202132613U (en) * | 2011-05-12 | 2012-02-01 | 广西柳工机械股份有限公司 | Sealing structure for through pipe hole of cab |
-
2016
- 2016-01-13 CN CN201610021509.3A patent/CN106969143A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4177999A (en) * | 1978-09-11 | 1979-12-11 | Allis-Chalmers Corporation | Infinitely adjustable bearing seal for non-parallel surfaces |
CA1226103A (en) * | 1983-11-28 | 1987-09-01 | Lewis B. Izzi, Sr. | Toilet bowl gasket of rubberlike material |
CN201007348Y (en) * | 2006-12-20 | 2008-01-16 | 广西玉柴机器股份有限公司 | Conical-screw hole auxiliary sealing device |
CN202023920U (en) * | 2011-03-30 | 2011-11-02 | 宁波宝迪汽车部件有限公司 | Rubber seal washer for automobiles |
CN202132613U (en) * | 2011-05-12 | 2012-02-01 | 广西柳工机械股份有限公司 | Sealing structure for through pipe hole of cab |
CN102207235A (en) * | 2011-06-03 | 2011-10-05 | 哈尔滨飞机工业集团有限责任公司 | Pipe joint sealing device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109237023A (en) * | 2018-09-20 | 2019-01-18 | 武汉船用机械有限责任公司 | A kind of blocking technological holes structure and method for blocking |
CN109237023B (en) * | 2018-09-20 | 2021-06-08 | 武汉船用机械有限责任公司 | Fabrication hole plugging structure and plugging method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170721 |
|
WD01 | Invention patent application deemed withdrawn after publication |