CN110360392A - A kind of pipe joint tapered cup nut - Google Patents

A kind of pipe joint tapered cup nut Download PDF

Info

Publication number
CN110360392A
CN110360392A CN201910670354.XA CN201910670354A CN110360392A CN 110360392 A CN110360392 A CN 110360392A CN 201910670354 A CN201910670354 A CN 201910670354A CN 110360392 A CN110360392 A CN 110360392A
Authority
CN
China
Prior art keywords
nut
hole
lock tube
pipe joint
locking lock
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
CN201910670354.XA
Other languages
Chinese (zh)
Inventor
朱华君
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.)
Haiyan Huasheng Fasteners Co Ltd
Original Assignee
Haiyan Huasheng Fasteners 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 Haiyan Huasheng Fasteners Co Ltd filed Critical Haiyan Huasheng Fasteners Co Ltd
Priority to CN201910670354.XA priority Critical patent/CN110360392A/en
Publication of CN110360392A publication Critical patent/CN110360392A/en
Pending legal-status Critical Current

Links

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
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/02Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/12Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts
    • F16B39/122Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts foreseen with mating surfaces inclined, i.e. not normal, to the bolt axis
    • 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
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/005Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts comprising locking means for the threaded member
    • 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
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/02Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
    • F16L19/0212Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
    • F16L19/0218Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means comprising only sealing rings

Abstract

The invention discloses a kind of pipe joint tapered cup nuts, including the first nut, second nut, locking lock tube and buckling nut, first nut further includes the second nut connecting pin, retraction slot, first through hole and tapped through hole, compared with prior art, the configuration of the present invention is simple, design is reasonable, in such a way that multiple nuts and locking lock tube are set, greatly strengthen the locking property of this nut, it can guarantee bolted reliability in a long time, in such a way that sealing ring is arranged in nut interior, increase the sealing performance of nut, reduce the possibility of fluid leakage, it is worthy to be popularized.

Description

A kind of pipe joint tapered cup nut
[technical field]
The present invention relates to technical field of fastening, especially a kind of pipe joint tapered cup nut.
[background technique]
Fastener is to be fastenedly connected with and apply extremely wide a kind of machine components.Fastener, it is wide using industry It is general, including the energy, electronics, electric appliance, machinery, chemical industry, metallurgy, mold, hydraulic etc. industry, various machinery, equipment, vehicle, Above ship, railway, bridge, building, structure, tool, instrument, chemical industry, instrument and articles etc., it can be seen that miscellaneous Fastener is most widely used mechanical basic part, and existing pipe fitting is poor with conical nut fastening performance, not can guarantee connection Tightness so that fluid from pipe fitting junction reveal, influence the overall tightness of pipeline, therefore, having must It is proposed a kind of pipe joint tapered cup nut.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, a kind of pipe joint tapered cup nut, this hair are proposed Bright structure is simple, and design rationally, by way of multiple nuts and locking lock tube is arranged, greatly strengthens the locking of this nut Can, it can guarantee bolted reliability in a long time, increasing in such a way that sealing ring is arranged in nut interior The sealing performance of nut reduces the possibility of fluid leakage, is worthy to be popularized.
To achieve the above object, the invention proposes a kind of pipe joint tapered cup nuts, including the first nut, the second spiral shell Female, locking lock tube and buckling nut, first nut further include the second nut connecting pin, retraction slot, first through hole and screw thread Through-hole, the top of first nut are equipped with the second nut connecting pin, and second nut connecting pin is equipped with external screw thread, described The bottom of second nut is equipped with counterbore, is equipped with internal screw thread inside the counterbore, second nut is fixedly mounted on by counterbore On second nut connecting pin, second nut connecting pin is equipped with equally distributed retraction slot, and first nut interior is set There is first through hole, the bottom of the first through hole is equipped with tapped through hole, and second nut is equipped with locking lock tube, described locking Lock tube is equipped with buckling nut.
Preferably, second nut connecting pin be round table-like protrusion, the counterbore be round table-like groove, described second The central axis of nut connecting pin and the central axis of counterbore overlap.
Preferably, the inside of second nut is equipped with the second through-hole, the diameter and first through hole of second through-hole Identical, the vertical section of the tapped through hole is isosceles trapezoid.
Preferably, being equipped with sealing ring, the diameter of bore of the sealing ring and first at the top of the inner wall of the tapped through hole Through-hole is identical, and the sealing ring is rubber ring.
Preferably, the locking lock tube is equipped with third through-hole, annular groove, the third are equipped on the outside of second nut The internal diameter of through-hole is identical as annular groove, and the upper surface of the locking lock tube is equipped with buckling nut mounting groove, and the buckling nut is logical It crosses buckling nut mounting groove to be connected with locking lock tube, the locking lock tube bottom is equipped with several bolts, the second nut outside The lower section of wall annular groove is equipped with the first limiting slot corresponding with bolt, and the lateral wall of first nut is equipped with opposite with bolt The second limiting slot answered.
Preferably, the quantity of the bolt is 8, the cross section of the bolt is rectangle, and the bolt is rounded It is evenly distributed on locking lock tube bottom.
Preferably, when second nut and the first nut are mutually locked, first limiting slot and the second limiting slot Position overlap.
Beneficial effects of the present invention: the present invention greatly strengthens this by way of multiple nuts and locking lock tube is arranged The locking property of nut can guarantee bolted reliability in a long time;By in the first nut and the second nut The mode of the second limiting slot and the first limiting slot is respectively set in outside, so that this nut is after installation is complete, it can be by locking Bolt on lock tube realizes anti-loosing effect, further increases connection reliability;By the way that buckling nut is arranged on locking lock tube Mode, locking lock tube is firmly fixed between the first nut and the second nut, Integral connection structure is increased Stability;Increasing the sealing performance of nut, reducing fluid leakage in such a way that sealing ring is arranged in nut interior May, it is worthy to be popularized.
[Detailed description of the invention]
Fig. 1 is a kind of structural schematic diagram of pipe joint tapered cup nut of the present invention.
Fig. 2 is the structural schematic diagram of locking lock tube in a kind of pipe joint tapered cup nut of the present invention.
In figure: the first nut of 1-, the second nut of 10- connecting pin, 11- retraction slot, 12- first through hole, 13- tapped through hole, The second limiting slot of 14-, the second nut of 2-, the second through-hole of 20-, 21- counterbore, 22- annular groove, the first limiting slot of 23-, 3- are anti-to uncage Set, 30- third through-hole, 31- buckling nut mounting groove, 32- bolt, 4- buckling nut, 5- sealing ring.
[specific embodiment]
Refering to attached drawing, a kind of pipe joint tapered cup nut of the present invention, including the first nut 1, the second nut 2, anti-uncage Set 3 and buckling nut 4, first nut 1 further include the second nut connecting pin 10, retraction slot 11, first through hole 12 and screw thread Through-hole 13, the top of first nut 1 are equipped with the second nut connecting pin 10, and second nut connecting pin 10 is equipped with outer Screw thread, the bottom of second nut 2 are equipped with counterbore 21, are equipped with internal screw thread inside the counterbore 21, second nut 2 passes through Counterbore 21 is fixedly mounted on the second nut connecting pin 10, and second nut connecting pin 10 is equipped with equally distributed retraction slot 11, it is equipped with first through hole 12 inside first nut 1, the bottom of the first through hole 12 is equipped with tapped through hole 13, and described the Two nuts 2 are equipped with locking lock tube 3, and the locking lock tube 3 is equipped with buckling nut 4.
Wherein, second nut connecting pin 10 be round table-like protrusion, the counterbore 21 be round table-like groove, described second The central axis of nut connecting pin 10 and the central axis of counterbore 21 overlap.
Wherein, the inside of second nut 2 is equipped with the second through-hole 20, the diameter and first through hole of second through-hole 20 12 is identical, and the vertical section of the tapped through hole 13 is isosceles trapezoid.
Wherein, sealing ring 5, the diameter of bore and first of the sealing ring 5 are equipped at the top of the inner wall of the tapped through hole 13 Through-hole 12 is identical, and the sealing ring 5 is rubber ring.
Wherein, the locking lock tube 3 is equipped with third through-hole 30, and annular groove 22 is equipped on the outside of second nut 2, described The internal diameter of third through-hole 30 is identical as annular groove 22, and the upper surface of the locking lock tube 3 is equipped with buckling nut mounting groove 31, described Buckling nut 4 is connected by buckling nut mounting groove 31 with locking lock tube 3, and locking 3 bottom of lock tube is equipped with several bolts 32, The lower section of second nut, the 2 lateral wall annular groove 22 is equipped with first limiting slot 23 corresponding with bolt 32, first nut 1 Lateral wall be equipped with second limiting slot 14 corresponding with bolt 32.
Wherein, the quantity of the bolt 32 is 8, and the cross section of the bolt 32 is rectangle, and the bolt 32 is in circle Shape is evenly distributed on locking 3 bottom of lock tube.
Wherein, when second nut 2 and the first nut 1 are mutually locked, first limiting slot 23 and the second limiting slot 14 position overlaps.
The course of work of the invention:
Hose during the work time, can be first connected, so by a kind of pipe joint of the present invention with tapered cup nut with pipe fitting The first nut 1 is connected with pipe fitting afterwards, then the second nut 2 is installed to 1 on the first nut, and guarantees the first limiting slot 23 It overlaps with the position of the second limiting slot 14, the bolt 32 of locking lock tube 3 is then installed to the first limiting slot 23 and second Inside limiting slot 14, and the top annulus of locking lock tube 3 is fixed in annular groove 22, buckling nut 4 is finally installed to lock On nut mounting groove 31, installation is completed, compared with prior art, the side that the present invention passes through setting multiple nuts and locking lock tube 3 Formula greatly strengthens the locking property of this nut, can guarantee bolted reliability in a long time;By first The mode of the second limiting slot 14 and the first limiting slot 23 is respectively set on the outside of nut 1 and the second nut 2, so that this nut is being installed After the completion, anti-loosing effect can be realized by the bolt 32 on locking lock tube 3, further increases connection reliability;By The mode of buckling nut 4 is set on locking lock tube 3, locking lock tube 3 is allowed to be firmly fixed to the first nut 1 and the second spiral shell Between mother 2, the stability of Integral connection structure is increased;Increasing nut in such a way that sealing ring 5 is arranged in nut interior Sealing performance, reduce the possibility of fluid leakage, be worthy to be popularized.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention Scheme all belong to the scope of protection of the present invention.

Claims (7)

1. a kind of pipe joint tapered cup nut, it is characterised in that: including the first nut (1), the second nut (2), locking lock tube (3) and buckling nut (4), first nut (1) further include the second nut connecting pin (10), retraction slot (11), first through hole (12) and tapped through hole (13), the top of first nut (1) are equipped with the second nut connecting pin (10), and second nut connects End (10) are connect equipped with external screw thread, the bottom of second nut (2) is equipped with counterbore (21), is equipped with inside the counterbore (21) interior Screw thread, second nut (2) are fixedly mounted on the second nut connecting pin (10) by counterbore (21), and second nut connects End (10) are connect equipped with equally distributed retraction slot (11), are equipped with first through hole (12) inside first nut (1), described the The bottom of one through-hole (12) is equipped with tapped through hole (13), and second nut (2) is equipped with locking lock tube (3), described to prevent uncaging It covers (3) and is equipped with buckling nut (4).
2. a kind of pipe joint tapered cup nut as described in claim 1, it is characterised in that: second nut connecting pin (10) be round table-like protrusion, the counterbore (21) be round table-like groove, the central axis of second nut connecting pin (10) with The central axis of counterbore (21) overlaps.
3. a kind of pipe joint tapered cup nut as described in claim 1, it is characterised in that: second nut (2) it is interior Portion is equipped with the second through-hole (20), and the diameter of second through-hole (20) is identical as first through hole (12), the tapped through hole (13) Vertical section be isosceles trapezoid.
4. a kind of pipe joint tapered cup nut as described in claim 1, it is characterised in that: the tapped through hole (13) it is interior Sealing ring (5) are equipped at the top of wall, the diameter of bore of the sealing ring (5) is identical as first through hole (12), and the sealing ring (5) is Rubber ring.
5. a kind of pipe joint tapered cup nut as described in claim 1, it is characterised in that: set on the locking lock tube (3) Have third through-hole (30), is equipped with annular groove (22) on the outside of second nut (2), the internal diameter and annular groove of the third through-hole (30) (22) identical, the upper surface of the locking lock tube (3) is equipped with buckling nut mounting groove (31), and the buckling nut (4) passes through Buckling nut mounting groove (31) is connected with locking lock tube (3), and locking lock tube (3) bottom is equipped with several bolts (32), described The lower section of second nut (2) lateral wall annular groove (22) be equipped with the first limiting slot (23) corresponding with bolt (32), described first The lateral wall of nut (1) is equipped with the second limiting slot (14) corresponding with bolt (32).
6. a kind of pipe joint tapered cup nut as claimed in claim 5, it is characterised in that: the quantity of the bolt (32) is 8, the cross section of the bolt (32) is rectangle, and the bolt (32) is rounded to be evenly distributed on locking lock tube (3) bottom.
7. a kind of pipe joint tapered cup nut as described in claim 1-6, it is characterised in that: second nut (2) with When first nut (1) is mutually locked, first limiting slot (23) and the position of the second limiting slot (14) overlap.
CN201910670354.XA 2019-07-24 2019-07-24 A kind of pipe joint tapered cup nut Pending CN110360392A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910670354.XA CN110360392A (en) 2019-07-24 2019-07-24 A kind of pipe joint tapered cup nut

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910670354.XA CN110360392A (en) 2019-07-24 2019-07-24 A kind of pipe joint tapered cup nut

Publications (1)

Publication Number Publication Date
CN110360392A true CN110360392A (en) 2019-10-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910670354.XA Pending CN110360392A (en) 2019-07-24 2019-07-24 A kind of pipe joint tapered cup nut

Country Status (1)

Country Link
CN (1) CN110360392A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110805776A (en) * 2019-11-20 2020-02-18 衡阳市业通塑胶有限公司 Water pipe connecting structure
CN110886762A (en) * 2019-12-23 2020-03-17 海盐大宁紧固件有限公司 Combined type locknut assembly
CN110886762B (en) * 2019-12-23 2024-04-19 海盐大宁紧固件股份有限公司 Combined locknut assembly

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191217139A (en) * 1911-07-24 1913-06-05 Ernest Soustrou Improvements in Pipe Unions.
FR2442392A1 (en) * 1978-11-24 1980-06-20 Belles Ondes Forges Demountable sealed pipe joint - uses coupling sleeve of which split conical ends with barrel thread accept nuts with matching bore
JP2685855B2 (en) * 1988-12-14 1997-12-03 株式会社ブリヂストン Hose fittings
US20020041098A1 (en) * 2000-04-26 2002-04-11 Cooper Gary W. Pipe-fitting with flexible sleeve and cinching nut
US20090162164A1 (en) * 2005-03-07 2009-06-25 Harald Bohl Clamping Sleeve and Clamp Connection
CN201277400Y (en) * 2008-06-26 2009-07-22 王嘉贤 Hose clamping apparatus
CN204254111U (en) * 2014-11-25 2015-04-08 宁波恒元精工管阀科技有限公司 One rises clip gas kitchen pipe joint
CN205026297U (en) * 2015-10-01 2016-02-10 罗建华 Water pipe of taking rand activity fast connects
CN208331519U (en) * 2018-03-15 2019-01-04 黄根琳 A kind of faucet connector for kitchen use

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191217139A (en) * 1911-07-24 1913-06-05 Ernest Soustrou Improvements in Pipe Unions.
FR2442392A1 (en) * 1978-11-24 1980-06-20 Belles Ondes Forges Demountable sealed pipe joint - uses coupling sleeve of which split conical ends with barrel thread accept nuts with matching bore
JP2685855B2 (en) * 1988-12-14 1997-12-03 株式会社ブリヂストン Hose fittings
US20020041098A1 (en) * 2000-04-26 2002-04-11 Cooper Gary W. Pipe-fitting with flexible sleeve and cinching nut
US20090162164A1 (en) * 2005-03-07 2009-06-25 Harald Bohl Clamping Sleeve and Clamp Connection
CN201277400Y (en) * 2008-06-26 2009-07-22 王嘉贤 Hose clamping apparatus
CN204254111U (en) * 2014-11-25 2015-04-08 宁波恒元精工管阀科技有限公司 One rises clip gas kitchen pipe joint
CN205026297U (en) * 2015-10-01 2016-02-10 罗建华 Water pipe of taking rand activity fast connects
CN208331519U (en) * 2018-03-15 2019-01-04 黄根琳 A kind of faucet connector for kitchen use

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110805776A (en) * 2019-11-20 2020-02-18 衡阳市业通塑胶有限公司 Water pipe connecting structure
CN110886762A (en) * 2019-12-23 2020-03-17 海盐大宁紧固件有限公司 Combined type locknut assembly
CN110886762B (en) * 2019-12-23 2024-04-19 海盐大宁紧固件股份有限公司 Combined locknut assembly

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Application publication date: 20191022