CN110219871A - A kind of double rod bolt - Google Patents

A kind of double rod bolt Download PDF

Info

Publication number
CN110219871A
CN110219871A CN201910521673.4A CN201910521673A CN110219871A CN 110219871 A CN110219871 A CN 110219871A CN 201910521673 A CN201910521673 A CN 201910521673A CN 110219871 A CN110219871 A CN 110219871A
Authority
CN
China
Prior art keywords
joint
screw rod
external screw
knock
retaining ring
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
CN201910521673.4A
Other languages
Chinese (zh)
Inventor
梅列文
梅小文
黄亚东
贺其新
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.)
Hubei Dengfeng High-Strength Bolts Co Ltd
Original Assignee
Hubei Dengfeng High-Strength Bolts 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 Hubei Dengfeng High-Strength Bolts Co Ltd filed Critical Hubei Dengfeng High-Strength Bolts Co Ltd
Priority to CN201910521673.4A priority Critical patent/CN110219871A/en
Publication of CN110219871A publication Critical patent/CN110219871A/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, WEDGES, JOINTS OR JOINTING
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041Specially-shaped shafts
    • 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, 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

Abstract

The invention discloses a kind of double rod bolts, including external screw rod, locking nut is installed on the external screw rod, one end of the external screw rod is equipped with outer knock-off joint, second packing ring and the second screwed retaining ring are installed, the inside of the external screw rod is equipped with inner screw, and one end of the inner screw is equipped with interior knock-off joint on the outer knock-off joint, first screwed retaining ring and the first washer are installed, one end of the interior knock-off joint is equipped with reversed screw head on the interior knock-off joint.Of the invention is combined into double-rod structure by external screw rod and inner screw, and locking nut is installed on external screw rod, the connection of outer spiral shell can be subjected to locked and fixed by locking nut, and secondary fixation can be carried out to the inner core of junction by inner screw, and it can be adjusted according to the thickness of connector, it can make to increase its flexibility between the two-way screw hole for being mounted on two connectors of bolt by it, be easy to use.

Description

A kind of double rod bolt
Technical field
The present invention relates to double rod bolt technical field, specially a kind of double rod bolt.
Background technique
Bolt, machine components, the cylindrical threaded fastener of adapted nut (have external screw thread by head and screw rod Cylindrical body) a kind of fastener dimerous, need to cooperate with nut, for being fastenedly connected two parts with through-hole, This type of attachment claims to be bolted, and such as nut is screwed off from bolt, and the two parts can be made to separate, therefore is bolted It is to belong to be detachably connected, because bolt is also one kind of railway casting, railway casting is the component part of rail track, here Signified track includes rail, sleeper, connection part, railway roadbed, anti-creep equipment, rail brace and track switch etc..
There are many shortcomings for the bolt of current stage, for example, single pole structure, shape and connection type are single, make With inconvenience.
Summary of the invention
The purpose of the present invention is to provide a kind of double rod bolts, to solve single pole structure mentioned above in the background art, The problems such as shape and connection type are single, inconvenient to use.
To achieve the above object, the invention provides the following technical scheme: a kind of double rod bolt, including external screw rod, it is described outer Locking nut is installed, one end of the external screw rod is equipped with outer knock-off joint, is equipped with second on the outer knock-off joint on screw rod Washer and the second screwed retaining ring, the inside of the external screw rod are equipped with inner screw, and one end of the inner screw is equipped with interior bar and connects Head is equipped with the first screwed retaining ring and the first washer on the interior knock-off joint, and one end of the interior knock-off joint is equipped with reversed spiral shell Head.
Preferably, the external screw rod is internally provided with inner hole, and in the inner hole in inner screw insertion external screw rod.
Preferably, internal screw thread is provided on the inside of the locking nut, and locking nut passes through internal screw thread and external screw rod silk Bar transmission connection.
Preferably, the second packing ring is located at the bottom side of the second screwed retaining ring, and the first washer is located at the first anticreep The top side of nut.
Preferably, external screw thread is provided on the outside of the outer knock-off joint, and outer on the second screwed retaining ring and outer knock-off joint Threaded screw rod transmission connection.
Preferably, external screw thread is provided on the interior knock-off joint, and the first screwed retaining ring and interior knock-off joint pass through external screw thread Screw rod transmission connection.
Preferably, the interior knock-off joint is structure as a whole with reversed screw head and inner screw setting, and reversed screw head and interior spiral shell Bar is set as identical rugosity.
Preferably, first screwed retaining ring and the second screwed retaining ring are set as identical size, and the first screwed retaining ring and Second screwed retaining ring is connect with inner screw screw rod transmission.
Compared with prior art, the beneficial effects of the present invention are:
1, of the invention that double-rod structure is combined by external screw rod and inner screw, and locked spiral shell is installed on external screw rod The connection of outer spiral shell can be carried out locked and fixed by locking nut by mother, and by inner screw can inner core to junction into The secondary fixation of row, and can be adjusted according to the thickness of connector, the flexibility of device is significantly increased, and in inner screw One end is equipped with interior knock-off joint, and the first screwed retaining ring is equipped on interior knock-off joint, is equipped with reversely in one end of interior knock-off joint Screw head can make to increase its flexibility between the two-way screw hole for being mounted on two connectors of bolt by it, be easy to use.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of double rod bolt of the invention;
Fig. 2 is the main view of inner screw of the invention;
Fig. 3 is the main view of external screw rod of the invention;
Fig. 4 is Local map of the invention.
In figure: 1, reversed screw head;2, interior knock-off joint;3, the first screwed retaining ring;4, inner screw;5, the second screwed retaining ring;6, External screw rod;7, locking nut;8, the first washer;9, second packing ring;10, outer knock-off joint;11, inner hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Fig. 1-4 is please referred to, a kind of embodiment provided by the invention: a kind of double rod bolt, including external screw rod 6, on external screw rod 6 Locking nut 7 is installed, locking nut 7 is used to be locked to the external screw rod 6 after connection, one end installation of external screw rod 6 There is outer knock-off joint 10, outer knock-off joint 10 is conveniently equipped with the second screwed retaining ring 5, can be to external screw rod 6 by the second screwed retaining ring 5 Anticreep protection is carried out, the position accordingly locked can be adjusted to according to the fixed position of external screw rod 6, be installed on outer knock-off joint 10 There are second packing ring 9 and the second screwed retaining ring 5, the inside of external screw rod 6 is equipped with inner screw 4, and inner screw 4 is used to assist external screw rod 6 It uses, reinforces bolt to the fixation of connector, keep the installation fixation of external screw rod 6 stronger, one end peace of inner screw 4 Equipped with interior knock-off joint 2, interior knock-off joint 2 facilitates the installation of the first screwed retaining ring 3, and the first screwed retaining ring 3 can be to reversed screw head 1 Installation fixation is locked, and can carry out anticreep protection to it, so that bolt is mounted on two by reversed screw head 1 Between connector, the first screwed retaining ring 3 and the first washer 8 are installed on interior knock-off joint 2, one end of interior knock-off joint 2 is equipped with instead To screw head 1.
Further, external screw rod 6 is internally provided with inner hole 11, and inner screw 4 is inserted into the inner hole 11 in external screw rod 6, lead to Crossing the design of inner hole 11 facilitates the insertion of inner screw 4 to be mounted in external screw rod 6, makes bolt combination at double-rod structure.
Further, the inside of locking nut 7 is provided with internal screw thread, and locking nut 7 passes through internal screw thread and 6 screw rod of external screw rod Transmission connection allows locking nut 7 and 6 screw rod transmission of external screw rod by internal screw thread design, facilitates control locking nut 7 outside It is gone up and down on screw rod 6.
Further, second packing ring 9 is located at the bottom side of the second screwed retaining ring 5, and the first washer 8 is located at the first anticreep spiral shell The top side of mother 3 keeps being connected and fixed for the second screwed retaining ring 5 stronger by the design of second packing ring 9.
Further, the outside of outer knock-off joint 10 is provided with external screw thread, and outer on the second screwed retaining ring 5 and outer knock-off joint 10 Threaded screw rod transmission connection passes through the installing and dismounting of the convenient outer knock-off joint 10 of external screw thread design.
Further, external screw thread is provided on interior knock-off joint 2, and the first screwed retaining ring 3 passes through external thread wire with interior knock-off joint 2 Bar transmission connection, facilitates the installing and dismounting of the first screwed retaining ring 3 by external screw thread.
Further, interior knock-off joint 2 is structure as a whole with reversed screw head 1 and the setting of inner screw 4, and reversed screw head 1 and interior spiral shell Bar 4 is set as identical rugosity, conveniently makes bolt is two-way to be mounted on two pieces connector by the reversed screw head 1 of such design, increases The functionality of king-bolt.
Further, the first screwed retaining ring 3 and the second screwed retaining ring 5 are set as identical size, and the first screwed retaining ring 3 and Two screwed retaining rings 5 are connect with 4 screw rod transmission of inner screw, can not only be made by the first screwed retaining ring 3 and the second screwed retaining ring 5 To prevent use of raising one's hat, and the locking mechanism that can be used as inner screw 4 uses.
Working principle: the equipment is inserted into the inner hole 11 in external screw rod 6 when in use, by inner screw 4, passes through external screw rod 6 Connector is tentatively connected and fixed, and lengthen by inner screw 4 according to demand and be connected and fixed, the fixation to connector Reinforced, and locked and fixed carried out by locking nut 7, anticreep is carried out to external screw rod 6 by the second screwed retaining ring 5 and is fixed, Reinforcement fixation can be carried out to inner screw 4 by the first screwed retaining ring 3, and is conveniently connected to inner screw 4 by reversed screw head 1 Between two connectors, increase its versatility used, can apply on different types of connector, and passes through the first anticreep Nut 3 can be locked to the fixation of reversed screw head 1.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.

Claims (8)

1. a kind of double rod bolt, including external screw rod (6), it is characterised in that: locking nut (7) are installed on the external screw rod (6), One end of the external screw rod (6) is equipped with outer knock-off joint (10), and second packing ring (9) and are equipped on the outer knock-off joint (10) The inside of two screwed retaining rings (5), the external screw rod (6) is equipped with inner screw (4), and one end of the inner screw (4) is equipped with interior Knock-off joint (2) is equipped with the first screwed retaining ring (3) and the first washer (8), the interior knock-off joint (2) on the interior knock-off joint (2) One end reversed screw head (1) is installed.
2. a kind of double rod bolt according to claim 1, it is characterised in that: being internally provided with for the external screw rod (6) is interior Hole (11), and in the inner hole (11) in inner screw (4) insertion external screw rod (6).
3. a kind of double rod bolt according to claim 1, it is characterised in that: be provided on the inside of the locking nut (7) Internal screw thread, and locking nut (7) is connect by internal screw thread with external screw rod (6) screw rod transmission.
4. a kind of double rod bolt according to claim 1, it is characterised in that: the second packing ring (9) is located at the second anticreep The bottom side of nut (5), and the first washer (8) is located at the top side of the first screwed retaining ring (3).
5. a kind of double rod bolt according to claim 1, it is characterised in that: be provided on the outside of the outer knock-off joint (10) External screw thread, and the external screw thread screw rod on the second screwed retaining ring (5) and outer knock-off joint (10) is sequentially connected.
6. a kind of double rod bolt according to claim 1, it is characterised in that: be provided with outer spiral shell on the interior knock-off joint (2) Line, and the first screwed retaining ring (3) is sequentially connected with interior knock-off joint (2) by external screw thread screw rod.
7. a kind of double rod bolt according to claim 1, it is characterised in that: the interior knock-off joint (2) and reversed screw head (1) It is structure as a whole with inner screw (4) setting, and reversed screw head (1) and inner screw (4) are set as identical rugosity.
8. a kind of double rod bolt according to claim 1, it is characterised in that: first screwed retaining ring (3) and second is prevented De- nut (5) are set as identical size, and the first screwed retaining ring (3) and the second screwed retaining ring (5) are passed with inner screw (4) screw rod Dynamic connection.
CN201910521673.4A 2019-06-17 2019-06-17 A kind of double rod bolt Pending CN110219871A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910521673.4A CN110219871A (en) 2019-06-17 2019-06-17 A kind of double rod bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910521673.4A CN110219871A (en) 2019-06-17 2019-06-17 A kind of double rod bolt

Publications (1)

Publication Number Publication Date
CN110219871A true CN110219871A (en) 2019-09-10

Family

ID=67817356

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910521673.4A Pending CN110219871A (en) 2019-06-17 2019-06-17 A kind of double rod bolt

Country Status (1)

Country Link
CN (1) CN110219871A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113280031A (en) * 2021-05-21 2021-08-20 图力古日 Strong-stability special-shaped double-screw assembly for mechanical configuration

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4223585A (en) * 1977-06-09 1980-09-23 Illinois Tool Works Inc. Double-ended stud with combined driving and locking means
CN2508043Y (en) * 2001-08-24 2002-08-28 石季尧 Reverse self-locking self-tapping screw with two-way thread
CN101328925A (en) * 2008-07-31 2008-12-24 宁波甬嘉变压器有限公司 Hollow bolt with double nuts structure
CN204921618U (en) * 2015-07-30 2015-12-30 河南柴油机重工有限责任公司 Locking fastening combination screw
CN206988259U (en) * 2017-07-31 2018-02-09 江苏华杰不锈钢制品有限公司 A kind of double end adjustment screw

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4223585A (en) * 1977-06-09 1980-09-23 Illinois Tool Works Inc. Double-ended stud with combined driving and locking means
CN2508043Y (en) * 2001-08-24 2002-08-28 石季尧 Reverse self-locking self-tapping screw with two-way thread
CN101328925A (en) * 2008-07-31 2008-12-24 宁波甬嘉变压器有限公司 Hollow bolt with double nuts structure
CN204921618U (en) * 2015-07-30 2015-12-30 河南柴油机重工有限责任公司 Locking fastening combination screw
CN206988259U (en) * 2017-07-31 2018-02-09 江苏华杰不锈钢制品有限公司 A kind of double end adjustment screw

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113280031A (en) * 2021-05-21 2021-08-20 图力古日 Strong-stability special-shaped double-screw assembly for mechanical configuration

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PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190910

RJ01 Rejection of invention patent application after publication