CN106969143A - A kind of thin-walled unthreaded hole sealing device - Google Patents

A kind of thin-walled unthreaded hole sealing device Download PDF

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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
Application number
CN201610021509.3A
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Chinese (zh)
Inventor
吴宝森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Aircraft Industry Group Co Ltd
Original Assignee
Harbin Aircraft Industry Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Harbin Aircraft Industry Group Co Ltd filed Critical Harbin Aircraft Industry Group Co Ltd
Priority to CN201610021509.3A priority Critical patent/CN106969143A/en
Publication of CN106969143A publication Critical patent/CN106969143A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/02Sealings between relatively-stationary surfaces
    • F16J15/06Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • F16J15/104Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/002Sealings comprising at least two sealings in succession
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating 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

A kind of thin-walled unthreaded hole sealing device
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.
CN201610021509.3A 2016-01-13 2016-01-13 A kind of thin-walled unthreaded hole sealing device Pending CN106969143A (en)

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)

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CN106969143A true CN106969143A (en) 2017-07-21

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Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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Application publication date: 20170721

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