CN107420406A - A kind of combined bolt and the bolt fastening structure using the combined bolt - Google Patents

A kind of combined bolt and the bolt fastening structure using the combined bolt Download PDF

Info

Publication number
CN107420406A
CN107420406A CN201710613612.1A CN201710613612A CN107420406A CN 107420406 A CN107420406 A CN 107420406A CN 201710613612 A CN201710613612 A CN 201710613612A CN 107420406 A CN107420406 A CN 107420406A
Authority
CN
China
Prior art keywords
head
bar portion
bolt
tightened
combined
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
CN201710613612.1A
Other languages
Chinese (zh)
Inventor
关悦
胡庆宽
石大鹏
万志慧
连实慧
金宏
刘霖
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.)
Henan Aerospace Precision Machining Co Ltd
Original Assignee
Henan Aerospace Precision Machining 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 Henan Aerospace Precision Machining Co Ltd filed Critical Henan Aerospace Precision Machining Co Ltd
Priority to CN201710613612.1A priority Critical patent/CN107420406A/en
Publication of CN107420406A publication Critical patent/CN107420406A/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
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/02Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws divided longitudinally
    • 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
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/005Set screws; Locking means therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

Bolt fastening structure the invention provides a kind of combined bolt and using the combined bolt, to solve the problems, such as that the connector to be tightened with restricted attachment space can not be bolted connection in the prior art.Combined bolt includes bar portion and the head docked vertically, one end away from head is provided with the external screw thread for nut spinning in bar portion, corresponding one end is respectively provided with overlapping linkage section radially superposed during docking in bar portion and head, it is equipped with each overlapping linkage section for the corresponding radial direction pin-and-hole penetrated, combined bolt also includes being used for the connecting pin inserted in radial direction pin-and-hole.By the way that bolt is decomposed into bar portion and head, head is set to can extend into restricted attachment space, and tightening for nut is carried out in the outside of connector to be tightened, it is not necessary to consider the operating space problem of spanner.

Description

A kind of combined bolt and the bolt fastening structure using the combined bolt
Technical field
A kind of bolt fastening structure the present invention relates to combined bolt and using the combined bolt.
Background technology
Bolt connection is connected mode relatively conventional in mechanically connecting, and bolt connection has flexible arrangement, connection rigidity Good, in light weight, simple in construction, the advantages that being convenient to mount and dismount.In the prior art, when connector to be tightened is hollow structure, that is, treat tight Connected fitting has a hollow installing space, and the installing space for limited installing space when, bolt can not be by limited installation Space outwards installs.Even if bolt tail is extended in restricted attachment space by outside, in restricted attachment space inward turning turn nut, Restricted attachment space also stretches into for spanner without enough operating spaces and tightens nut.Therefore, when one of them company to be tightened When fitting has restricted attachment space, multiple connectors to be tightened can not be fastenedly connected with the bolt of routine.And use other The fastening means of type can not realize bolted effect again.
The content of the invention
It is an object of the invention to provide a kind of combined bolt, to solve that there is restricted attachment space in the prior art The problem of connector to be tightened can not be bolted connection;A kind of bolted-on attachment using the combined bolt is also provided Structure.
To achieve the above object, the technical scheme of combined bolt of the present invention is:A kind of combined bolt, including vertically The bar portion of docking and head, one end away from head is provided with the external screw thread for nut spinning in bar portion, relative in bar portion and head The one end answered is respectively provided with overlapping linkage section radially superposed during docking, is equipped with each overlapping linkage section for the corresponding footpath penetrated To pin-and-hole, combined bolt also includes being used for the connecting pin inserted in radial direction pin-and-hole.
Combined bolt provided by the invention, combined bolt include bar portion and the head of split settings, in use, when two When individual connector to be tightened is fastenedly connected, one of them connector to be tightened has restricted attachment space, by bar portion by other In the outside insertion connecting hole of connector to be tightened, and it extend into restricted attachment space, exposes the radial direction pin-and-hole of bar portion, afterwards Put the head into restricted attachment space, head linkage section overlapping with bar portion diametrically overlaps, and makes head and bar The corresponding insertion of radial direction pin-and-hole in portion, enters connecting pin in radial direction pin-and-hole interpolation, realizes head and the axial rotation stop of bar portion and axial direction It is spacing, then the spinning nut on the external screw thread of the bar portion other end, by the outside spinning nut in connector to be tightened, will treat tight Connected fitting tightens together.In the present invention, by the way that bolt is decomposed into bar portion and head, head is set to can extend into limited peace Fill in space, and tightening for nut is carried out in the outside of connector to be tightened, it is not necessary to consider that the operating space of spanner is asked Topic.
Further, bar portion and head grafting vertically assembling, head include head body, and the overlapping linkage section on head is Shaft-like head inserting section in head body, bar portion include bar portion body, and the overlapping linkage section of bar portion is located at bar portion Bar portion inserting section on body.
Further, head inserting section is provided with the jack for corresponding to insertion vertically for bar portion inserting section.
Further, head body, which has, is used for and the connector to be tightened top pressure face that top pressure coordinates in the axial direction.
Further, the head body is hexagonal structure.
The technical scheme of bolt fastening structure of the present invention is:A kind of bolt fastening structure, including connector to be tightened and wear Loaded on the bolt in connector to be tightened, bolt is combined bolt, and combined bolt includes bar portion and the head docked vertically Portion, one end away from head is provided with the external screw thread for nut spinning in bar portion, and corresponding one end is respectively provided with bar portion and head Radially superposed overlapping linkage section during docking, it is equipped with each overlapping linkage section for the corresponding radial direction pin-and-hole penetrated, combined type Bolt also includes being used for the connecting pin inserted in radial direction pin-and-hole.
Further, bar portion and head grafting vertically assembling, head include head body, and the overlapping linkage section on head is Shaft-like head inserting section in head body, bar portion include bar portion body, and the overlapping linkage section of bar portion is located at bar portion Bar portion inserting section on body.
Further, head inserting section is provided with the jack for corresponding to insertion vertically for bar portion inserting section.
Further, head body has and the connector to be tightened top pressure face that top pressure coordinates in the axial direction.
Further, the head body is hexagonal structure.
Brief description of the drawings
Fig. 1 is the schematic diagram of bolt fastening structure embodiment 1 of the present invention;
Fig. 2 is the schematic diagram of combined bolt in Fig. 1;
Fig. 3 is Fig. 2 left view;
Fig. 4 is the schematic diagram on head in Fig. 2;
Fig. 5 is Fig. 4 left view;
Fig. 6 is the schematic diagram of bar portion in Fig. 2;
Fig. 7 is the schematic diagram of connecting pin in Fig. 2;
Fig. 8 is Fig. 7 left view;
Fig. 9 is the schematic diagram of combined bolt in bolt fastening structure embodiment 2 of the present invention.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment 1 of the bolt fastening structure of the present invention, as shown in Figures 1 to 8, bolt fastening structure include first 1 and second connector 2 to be tightened of connector to be tightened, as seen from Figure 1, the first connector 1 to be tightened is hollow structure, The centre of first connector 1 to be tightened has restricted attachment space 11, in the first 1 and second connection to be tightened of connector to be tightened Part 2 is provided with connecting hole.First connector to be tightened and the second connector to be tightened are fastened on by the mode being connected by screw bolts Together.In the prior art, when carrying out fastening installation using the bolt of integral type, integral type bolt can not be by restricted attachment space , it is necessary to be tightened in restricted attachment space when penetrating in connecting hole, and connecting hole penetrated by the outside of the second connector to be tightened Nut, but spanner can not be stretched into restricted attachment space and carrys out clamping nut.
The present invention bolt fastening structure used in Combined screw stud structure 3 as shown in Figures 2 and 3, combined bolt 3 Including removable connected head 31 and bar portion 32, head 21 includes head body 311 and the head grafting in head body Section 312, head body are hexagonal structure, close to the end face of head inserting section are tight for being treated with first in head body 311 Be connected the top pressure face that top pressure coordinates in the axial direction of fitting 1.Head inserting section 312 is shaft-like structure, in head inserting section 312 Offer jack 313.Bar portion 32 includes bar portion body 321 and bar portion inserting section 322, wherein, the external diameter of bar portion inserting section 322 is small In the external diameter of bar portion body 321, circular step is formd on bar portion body 321.The external diameter of bar portion body 321 and head grafting The external diameter of section 312 is identical, and the external diameter of bar portion inserting section 322 is identical with the aperture of jack 313, is completed in bar portion and head Afterwards, the bar portion external diameter of combined bolt is same gauge structure, in use, in bar portion inserting section insertion jack.
On head, inserting section offers radial direction pin-and-hole(It is not drawn into figure), radial direction pin-and-hole is also offered in bar portion inserting section 323, when the end contact of circular step and the head inserting section of bar portion body 321, radial direction pin-and-hole in the inserting section of head and The radial direction pin-and-hole of bar portion inserting section overlaps, and now, two radial direction pin-and-holes pass through with connecting pin 33, on the one hand, realize head with The rotation stop grafting of bar portion coordinates;On the other hand, the axially position of head and bar portion is realized, head and bar portion is combined into jointly Complete bolt.External screw thread 324 is offered outside the one end on the remote head of bar portion, can be for the spinning of nut 4.Meanwhile by As can be seen that the head outer diameter of combined bolt is less than the external diameter of nut, in the limited installation of the second connector to be tightened in Fig. 1 Space can further save space.
During the bolt fastening structure assembling of the present invention, first by the first 1 and second connector 2 to be tightened of connector to be tightened Position as shown in Figure 1 is placed, and bar portion 32 is inserted into connecting hole from the right-hand member of the second connector 2 to be tightened, makes the footpath of bar portion 32 In the restricted attachment space that the first connector to be tightened is extended to pin-and-hole, head 31 is put into restricted attachment space 11, grafting On one end of bar portion, connected and completed with connecting pin 33.Combined bolt is pulled to the right to the top pressure face and first on head afterwards After connector top pressure to be tightened coordinates, by nut spinning on external screw thread, and nut is tightened, during tightening, can used Other fastening structures such as vice clamping bar portion, while rotating nuts.In whole assembling process, spanner is not needed to extend limited In installing space.Solve the problems, such as that integral type bolt of the prior art can not be fastenedly connected two connectors to be tightened.
In the present embodiment, open up jack in the inserting section of head and bar portion inserting section is inserted in the jack, in other realities Apply in example, jack can be opened up in bar portion inserting section and is inserted for head inserting section.
In the present embodiment, bar portion inserting section is the overlapping linkage section of bar portion, and head inserting section is the overlapping company on head Connect section.
The specific embodiment 2 of bolt fastening structure of the present invention, as shown in figure 9, being with the difference of embodiment 1, head Portion 31 has the overlapping linkage section 314 in head, and bar portion 32 has the overlapping linkage section 325 of bar portion, the overlapping linkage section 314 in head and bar portion Overlapping linkage section 325 is semi-axis structure, and both form complete shaft-like structure after radially docking.In the overlapping connection in head Radial direction pin-and-hole 5 is offered on 314 linkage sections 325 overlapping with bar portion of section to insert for connecting pin.
The specific embodiment of combined bolt of the present invention, the structure one in the structure and above-described embodiment of combined bolt Cause, its content will not be repeated here.

Claims (10)

  1. A kind of 1. combined bolt, it is characterised in that:Including the bar portion docked vertically and head, the one of remote head in bar portion End is provided with the external screw thread for nut spinning, and corresponding one end is respectively provided with overlapping company radially superposed during docking in bar portion and head Section is connect, is equipped with each overlapping linkage section for the corresponding radial direction pin-and-hole penetrated, combined bolt also includes being used to insert radially Connecting pin in pin-and-hole.
  2. 2. combined bolt according to claim 1, it is characterised in that:Bar portion and head grafting vertically assembling, head Including head body, the overlapping linkage section on head is the shaft-like head inserting section in head body, and bar portion includes bar portion Body, the overlapping linkage section of bar portion is the bar portion inserting section on bar portion body.
  3. 3. combined bolt according to claim 2, it is characterised in that:Head inserting section is provided with and supplies bar portion inserting section edge The axially jack of corresponding insertion.
  4. 4. combined bolt according to claim 2, it is characterised in that:Head body, which has, to be used for and connector to be tightened The top pressure face that top pressure coordinates in the axial direction.
  5. 5. according to the combined bolt described in claim 2 ~ 4 any one, it is characterised in that:The head body is hexagon Structure.
  6. 6. a kind of bolt fastening structure, including connector to be tightened and the bolt that is threaded onto in connector to be tightened, its feature exist In:Bolt is combined bolt, and combined bolt includes bar portion and the head docked vertically, one end away from head in bar portion Provided with the external screw thread for nut spinning, corresponding one end is respectively provided with overlapping connection radially superposed during docking in bar portion and head Section, it is equipped with each overlapping linkage section for the corresponding radial direction pin-and-hole penetrated, combined bolt also includes being used to insert radial peg Connecting pin in hole.
  7. 7. bolt fastening structure according to claim 6, it is characterised in that:Bar portion and head grafting vertically assembling, head Portion includes head body, and the overlapping linkage section on head is the shaft-like head inserting section in head body, and bar portion includes bar Portion's body, the overlapping linkage section of bar portion is the bar portion inserting section on bar portion body.
  8. 8. bolt fastening structure according to claim 7, it is characterised in that:Head inserting section is provided with and supplies bar portion inserting section The jack of insertion is corresponded to vertically.
  9. 9. bolt fastening structure according to claim 7, it is characterised in that:Head body has to exist with connector to be tightened The top pressure face that top pressure coordinates on axial direction.
  10. 10. according to the bolt fastening structure described in claim 7 ~ 9 any one, it is characterised in that:The head body is six Square structure.
CN201710613612.1A 2017-07-25 2017-07-25 A kind of combined bolt and the bolt fastening structure using the combined bolt Pending CN107420406A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710613612.1A CN107420406A (en) 2017-07-25 2017-07-25 A kind of combined bolt and the bolt fastening structure using the combined bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710613612.1A CN107420406A (en) 2017-07-25 2017-07-25 A kind of combined bolt and the bolt fastening structure using the combined bolt

Publications (1)

Publication Number Publication Date
CN107420406A true CN107420406A (en) 2017-12-01

Family

ID=60431301

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710613612.1A Pending CN107420406A (en) 2017-07-25 2017-07-25 A kind of combined bolt and the bolt fastening structure using the combined bolt

Country Status (1)

Country Link
CN (1) CN107420406A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109110134A (en) * 2018-07-25 2019-01-01 苏州频聿精密机械有限公司 A kind of aero seat attachment device that can prevent dislocation from sliding
CN109854480A (en) * 2019-03-25 2019-06-07 广州万宝集团压缩机有限公司 Stator component connection structure and compressor

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10161373A1 (en) * 2001-12-14 2003-06-26 Opel Adam Ag Fixture screw has shaft with one threaded end and head with grip surfaces, midway between which is a cardan joint
KR20050039907A (en) * 2003-10-27 2005-05-03 현대자동차주식회사 Joint bolt
EP1666741A1 (en) * 2003-08-19 2006-06-07 Koyokizai Co. Ltd. Blind bolt and blind nut
CN103133474A (en) * 2011-11-22 2013-06-05 苏州工业园区协诚精密五金有限公司 Bolt
CN103410830A (en) * 2013-07-29 2013-11-27 青岛宝基利工程技术咨询有限公司 Connecting bolt structure capable of mounting screw rod afterwards as well as mounting and dismounting method of connecting bolt structure
CN203420984U (en) * 2013-06-27 2014-02-05 王承祥 Adjustable rotary fixing bolt
CN203856832U (en) * 2014-04-25 2014-10-01 常盛杰 Telescopic screw
CN104514792A (en) * 2014-12-17 2015-04-15 无锡市金星工具有限公司 Extensible outer hexagon stainless steel bolt
CN205089754U (en) * 2015-11-09 2016-03-16 舟山市正源标准件有限公司 Hookup screw rod
CN205977971U (en) * 2016-07-18 2017-02-22 天津市天龙得冷成型部件有限公司 Bolt with adjustable length
CN106678155A (en) * 2015-11-05 2017-05-17 江苏兴达新材料有限公司 Combined bolt
CN206338298U (en) * 2016-12-20 2017-07-18 广东昶辉五金精密电子有限公司 A kind of segmented self-tapping screw

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10161373A1 (en) * 2001-12-14 2003-06-26 Opel Adam Ag Fixture screw has shaft with one threaded end and head with grip surfaces, midway between which is a cardan joint
EP1666741A1 (en) * 2003-08-19 2006-06-07 Koyokizai Co. Ltd. Blind bolt and blind nut
KR20050039907A (en) * 2003-10-27 2005-05-03 현대자동차주식회사 Joint bolt
CN103133474A (en) * 2011-11-22 2013-06-05 苏州工业园区协诚精密五金有限公司 Bolt
CN203420984U (en) * 2013-06-27 2014-02-05 王承祥 Adjustable rotary fixing bolt
CN103410830A (en) * 2013-07-29 2013-11-27 青岛宝基利工程技术咨询有限公司 Connecting bolt structure capable of mounting screw rod afterwards as well as mounting and dismounting method of connecting bolt structure
CN203856832U (en) * 2014-04-25 2014-10-01 常盛杰 Telescopic screw
CN104514792A (en) * 2014-12-17 2015-04-15 无锡市金星工具有限公司 Extensible outer hexagon stainless steel bolt
CN106678155A (en) * 2015-11-05 2017-05-17 江苏兴达新材料有限公司 Combined bolt
CN205089754U (en) * 2015-11-09 2016-03-16 舟山市正源标准件有限公司 Hookup screw rod
CN205977971U (en) * 2016-07-18 2017-02-22 天津市天龙得冷成型部件有限公司 Bolt with adjustable length
CN206338298U (en) * 2016-12-20 2017-07-18 广东昶辉五金精密电子有限公司 A kind of segmented self-tapping screw

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109110134A (en) * 2018-07-25 2019-01-01 苏州频聿精密机械有限公司 A kind of aero seat attachment device that can prevent dislocation from sliding
CN109854480A (en) * 2019-03-25 2019-06-07 广州万宝集团压缩机有限公司 Stator component connection structure and compressor
CN109854480B (en) * 2019-03-25 2020-10-27 广州万宝集团压缩机有限公司 Stator part connecting structure and compressor

Similar Documents

Publication Publication Date Title
CN215847912U (en) Screwing tool
CN107420406A (en) A kind of combined bolt and the bolt fastening structure using the combined bolt
CN108119482B (en) A kind of secured tire bolt
CN210106370U (en) Fastening system, to-be-assembled part and self-locking nut with reverse teeth
CN108825899A (en) A kind of flange facilitating installation
CN107588078A (en) A kind of bolt be easy to locking and can be locking
CN205780178U (en) A kind of high-strength double end bolt connects assembly
CN206738364U (en) Modular nut
CN206190709U (en) Fastener
CN208735070U (en) A kind of flange facilitating installation
CN202883627U (en) Screw joint device easy to disassemble and assemble
US11872839B2 (en) Wheel
CN206770373U (en) Anti-theft nut component and anti-theft nut
EP3074684A1 (en) Connecting system
CN205806175U (en) A kind of nut connecting structure
CN212265718U (en) Tool for screwing part in narrow space
CN112264955A (en) A limit moment of torsion autowrench for aeroengine assembly
CN104912204A (en) Connecting structure and connecting method
CN216867261U (en) Locking bolt
CN206175450U (en) A locking device for fastener
CN111618771A (en) Tool for assembling and disassembling bolt in narrow space and using method thereof
CN206682117U (en) A kind of bolt arrangement with good end face outward appearance
CN207261422U (en) A kind of plug screw with auto-lock function
CN217276918U (en) Torque steering wheel connector and steering wheel test equipment
CN221647377U (en) Torsion lock nut

Legal Events

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

Application publication date: 20171201

RJ01 Rejection of invention patent application after publication