CN107654459A - A kind of expansion bolt and its installation method for being used to install magazine - Google Patents

A kind of expansion bolt and its installation method for being used to install magazine Download PDF

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Publication number
CN107654459A
CN107654459A CN201710919408.2A CN201710919408A CN107654459A CN 107654459 A CN107654459 A CN 107654459A CN 201710919408 A CN201710919408 A CN 201710919408A CN 107654459 A CN107654459 A CN 107654459A
Authority
CN
China
Prior art keywords
bolt
magazine
expansion bolt
expansion
screw
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
CN201710919408.2A
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Chinese (zh)
Inventor
余快
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Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201710919408.2A priority Critical patent/CN107654459A/en
Publication of CN107654459A publication Critical patent/CN107654459A/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
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/06Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
    • F16B13/063Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
    • F16B13/066Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting a separate expander-part, actuated by the screw, nail or the like
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/08Distribution boxes; Connection or junction boxes
    • H02G3/12Distribution boxes; Connection or junction boxes for flush mounting

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Dowels (AREA)

Abstract

A kind of expansion bolt and its installation method for being used to install magazine, the expansion bolt include dormant bolt, tube expansion, tapered cup nut and plain washer, it is characterised in that:The dormant bolt is provided with inner hexagonal hole and internal thread C, and tapered cup nut is provided with inclined plane, the face of cylinder and internal thread Z.A kind of method for magazine installation obtained using the expansion bolt, is comprised the following steps:Expansion bolt is knocked in mounting hole completely, rotating dormant bolt by inner hexagonal hole makes tapered cup nut be moved toward groove direction, until tube expansion struts fix expansion bolt completely, tightened finally by the screw-internal thread fit of screw through magazine and expansion bolt and magazine is fixed on outside groove.The present invention is using a kind of expansion bolt for itself being provided with inner hexagonal hole and internal thread, expansion bolt is fixed on wall by inner hexagon spanner, magazine is anchored on outside groove in expansion bolt by screw tightening, solves the problems, such as that panel-switch can not be fixedly mounted in magazine hold-doun nut defect.

Description

A kind of expansion bolt and its installation method for being used to install magazine
Technical field
The present invention relates to a kind of bolt of house decoration and its installation method, more particularly to a kind of it is used to the swollen of magazine be installed Swollen bolt and its installation method.
Technical background
During house decoration, in order to which to various cables are connected in house, installation switchs and socket, it usually needs in wall A groove is outputed on body, a magazine is then fixed on groove, cement mortar fixed cassette surrounding, the operation of wiring is dark The inside of box can complete.
Magazine is a square cavity with opening, after completing patching operations inside the magazine, then need to pass through by Panel-switch is fixed in the opening of magazine.Magazine opening edge along can above extend have screwed hole fixed plate (be commonly called as Ear), panel-switch is then connected by 4 millimeters of screws with the nut in fixed plate.
Because fixed plate and magazine opening edge are along being wholely set, be constantly in stress, when in use between it is longer Afterwards, magazine ageing of plastics, fixed plate once come off, and panel releases therewith, if to reinstall panel, needing will be whole dark Box is changed, and changes magazine and the defects of time-consuming feed consumption then be present.
The content of the invention
It is an object of the invention to provide a kind of expansion bolt for being used to install magazine to solve above-mentioned technical problem.
The invention solves the scheme of above-mentioned technical problem to be:A kind of expansion bolt for being used to install magazine is provided, including Dormant bolt, tube expansion, tapered cup nut and plain washer, it is characterised in that:The head center position of the dormant bolt is provided with interior six Corner apertures, screw portion are provided with external screw thread, and the inside of dormant bolt is additionally provided with internal thread C;The tapered cup nut outer surface, which is provided with, inclines Inclined-plane and the face of cylinder, the internal diameter of the tapered cup nut are provided with internal thread Z.
As an improvement, 2/3rds of the maximum gauge of the inner hexagonal hole no more than dormant bolt head diameter, interior six The depth of corner apertures is no more than 2/3rds of dormant bolt head depth.
As an improvement, the aperture of the internal thread C is no more than 2/3rds of dormant bolt screw diameter, the internal thread C penetrates with inner hexagonal hole and internal thread C depth is no more than the length of dormant bolt screw rod.
As an improvement, the optimal size of angle between the inclined plane and the center line of tapered cup nut is 30 ° to 40 °, institute The outer surface for stating the face of cylinder is the non slip surface with irregular lines.
Another technical problems to be solved of the invention are to obtain a kind of side for being used to install magazine using the expansion bolt Method.
The invention solves the scheme of above-mentioned technical problem to be:A kind of installation method of magazine, comprises the following steps:
(a) diameter, is bored in the groove of wall than the hole of big 1~2 millimeter of the tapered cup nut external diameter of expansion bolt, institute The depth of drilling is more than the length of dormant bolt screw rod;
(b), expansion bolt is knocked in hole, ensure expansion bolt completely into hole until plain washer be close to groove-bottom Face, the inner hexagonal hole in expansion bolt is rotated by using inner hexagon spanner, dormant bolt is rotated and by external screw thread and cone Screw thread engagement between the internal thread Z of shape nut moves tapered cup nut toward groove direction, and the inclined plane of shape nut supports tube expansion Open, subsequent expansion bolt, which is fixed, to be completed.
(c), screw is passed through to the centre bore of magazine, by the internal thread C of expansion bolt by screw tightening in expansion bolt In, until magazine be close to it is fixed outside groove.
As an improvement, the screw can be Philip's head screw or a word screw, after magazine is anchored on groove by the screw It must not exceed internal thread C depth with the expansion bolt internal thread C reaches being engaged.
As an improvement, expansion bolt, before hole is knocked in, tapered cup nut at least two encloses tooth line and is screwed onto on dormant bolt.
The beneficial effects of the present invention are:
Switch after a long time in use, it is necessary to when changing magazine without chiseling wall take out by magazine ageing of plastics The magazine of defect inner ear, it is not necessary to bury new magazine again.The present invention uses a kind of expansion bolt of special construction, in expansion bolt Itself it is upper inner hexagonal hole and internal thread are set, expansion bolt is fixed on wall by inner hexagon spanner, and pass through spiral shell Nail through magazine and coordinates the internal thread in dormant bolt that magazine is anchored on outside groove, solve magazine hold-doun nut defect without The problem of panel-switch is fixedly mounted in method.
Brief description of the drawings
The present invention is described further below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of expansion bolt;
Fig. 2 is the sectional view of expansion bolt;
Fig. 3 is the sectional view of dormant bolt;
Fig. 4 is the structural representation of tapered cup nut;
Fig. 5 is the method schematic diagram of magazine installation.
Embodiment
Technical solution of the present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings, to be further understood that The purpose of the present invention, scheme and effect, but it is not intended as the limitation of scope of the appended claims of the present invention.
As shown in Fig. 1 to Fig. 4, expansion bolt includes dormant bolt 1, tube expansion 3, tapered cup nut 4 and plain washer 2, countersunk head spiral shell The head center position of bolt 1 is provided with inner hexagonal hole 101, and screw portion is provided with external screw thread 103, and the inside of dormant bolt 1 is additionally provided with Internal thread C102;The outer surface of tapered cup nut 4 is provided with inclined plane 401 and the face of cylinder 402, and the internal diameter of tapered cup nut 4 is provided with internal thread Z403。
In view of bolt strength and easy for installation, the maximum gauge of inner hexagonal hole 101 is no more than the head diameter of dormant bolt 1 2/3rds, the depth of inner hexagonal hole 101 is no more than 2/3rds of the head depth of dormant bolt 1;Internal thread C102 hole Footpath is no more than 2/3rds of the screw diameter of dormant bolt 1, and internal thread C102 and inner hexagonal hole 101 penetrate and internal thread C102 Depth is no more than the length of the screw rod of dormant bolt 1.
In order that tube expansion 3 is more prone to strut and ensures that tube expansion 3 can be rigidly secured in porthole after strutting completely, The optimal size of angle between the center line of inclined plane 401 and tapered cup nut 4 is 30 ° to 40 °, and the outer surface on the face of cylinder 402 is Non slip surface with irregular lines, ensure that dormant bolt 1, tapered cup nut 4 can be smoothly toward groove port during rotation Direction movement can also cause tapered cup nut 4 not follow dormant bolt to rotate and rotate.
From Fig. 5 magazine installation method schematic diagram, cone of the diameter than expansion bolt is drilled with the groove of wall 7 The hole 701 that big 1~2 millimeter of the external diameter of shape nut 4, drill 701 depth be more than the screw rod of dormant bolt 1 length;Expansion bolt To ensure expansion bolt when hole 701 are knocked in completely into hole 701, basis for estimation be until plain washer 2 be close to it is recessed Groove bottom, the inner hexagonal hole 101 in expansion bolt then is rotated using inner hexagon spanner, dormant bolt 1 is rotated and by outer Screw thread between screw thread 103 and the internal thread Z403 of tapered cup nut 4, which engages, moves tapered cup nut 4 toward groove direction, in movement During, the inclined plane 401 of tapered cup nut 4 struts tube expansion 3, and subsequent expansion bolt, which is fixed, to be completed.
Screw 5 is then passed through to the centre bore of magazine 6, is tightened against screw 5 by the internal thread C102 of expansion bolt swollen In swollen bolt, until magazine is close to fixed outside groove, screw 5 can be Philip's head screw or a word screw, in order to ensure Magazine 6 can be anchored on outside groove, and magazine is anchored on the screw thread that it is engaged with expansion bolt internal thread C102 after groove by screw 5 Length must not exceed internal thread C102 depth, in order to prevent expansion bolt tapered cup nut when hole 701 are knocked in from coming off, because Before hole 701 is knocked in, tapered cup nut 4 at least two encloses tooth line and is screwed onto on dormant bolt 1 this expansion bolt.
In summary, because the expansion bolt and magazine installation method of the present invention are provided using a kind of special construction Expansion bolt, expansion bolt itself on inner hexagonal hole and internal thread are set, expansion bolt is fixed by inner hexagon spanner Through magazine and coordinate internal thread that magazine is anchored on outside groove on wall, and by screw, solve magazine and fix spiral shell The problem of panel-switch can not be fixedly mounted in cap defect.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence Know those skilled in the art when can be made according to the present invention it is various it is corresponding change and deformation, but these corresponding change and become Shape should all belong within the protection domain of appended claims of the invention.

Claims (7)

1. a kind of expansion bolt for being used to install magazine, including dormant bolt (1), tube expansion (3), tapered cup nut (4) and plain washer (2), it is characterised in that:The head center position of the dormant bolt (1) is provided with inner hexagonal hole (101), and screw portion is provided with outer Screw thread (103), the inside of dormant bolt (1) are additionally provided with internal thread C (102);Tapered cup nut (4) outer surface is provided with inclined plane (401) and the face of cylinder (402), the internal diameter of the tapered cup nut (4) are provided with internal thread Z (403).
2. a kind of expansion bolt for being used to install magazine according to claim 1, including dormant bolt (1), tube expansion (3), cone Shape nut (4) and plain washer (2), it is characterised in that:The maximum gauge of the inner hexagonal hole (101) is no more than dormant bolt (1) 2/3rds of head diameter, the depth of inner hexagonal hole (101) are no more than 2/3rds of dormant bolt (1) head depth.
3. a kind of expansion bolt for being used to install magazine according to claim 1, including dormant bolt (1), tube expansion (3), cone Shape nut (4) and plain washer (2), it is characterised in that:It is straight that the aperture of the internal thread C (102) is no more than dormant bolt (1) screw rod 2/3rds of footpath, the internal thread C (102) penetrates with inner hexagonal hole (101) and internal thread C (102) depth is no more than heavy The length of hook bolt (1) screw rod.
4. a kind of expansion bolt for being used to install magazine according to claim 1, including dormant bolt (1), tube expansion (3), cone Shape nut (4) and plain washer (2), it is characterised in that:Folder between the inclined plane (401) and the center line of tapered cup nut (4) The optimal size in angle is 30 ° to 40 °, and the outer surface of the face of cylinder (402) is the non slip surface with irregular lines.
5. a kind of method that expansion bolt using installation magazine as claimed in claim 1 is installed to magazine, its feature It is:Comprise the following steps:
(a) hole of the diameter than big 1~2 millimeter of tapered cup nut (4) external diameter of expansion bolt, is bored in the groove of wall (7) (701), drill (701) depth be more than dormant bolt (1) screw rod length;
(b), expansion bolt is knocked in hole (701), ensure expansion bolt completely into hole (701) until plain washer (2) is tight Groove floor is pasted, the inner hexagonal hole (101) in expansion bolt is rotated by using inner hexagon spanner, rotates dormant bolt (1) And engaged by the screw thread between external screw thread (103) and the internal thread Z (403) of tapered cup nut (4) by the past groove of tapered cup nut (4) Direction is moved, and the inclined plane (401) of shape nut (4) struts tube expansion (3), and subsequent expansion bolt, which is fixed, to be completed.
(c) screw (5), is passed through to the centre bore of magazine (6), tightened screw (5) by the internal thread C (102) of expansion bolt In expansion bolt, until magazine be close to it is fixed outside groove.
A kind of 6. installation method of magazine according to claim 5, it is characterised in that:The screw (5) can be cross Magazine is anchored on after groove what it was engaged with expansion bolt internal thread C (102) by screw or a word screw, the screw (5) Reach must not exceed the depth of internal thread C (102).
A kind of 7. installation method of magazine according to claim 5, it is characterised in that:Expansion bolt is knocking in hole (701) Before, tapered cup nut (4) at least two encloses tooth line and is screwed onto on dormant bolt (1).
CN201710919408.2A 2017-09-30 2017-09-30 A kind of expansion bolt and its installation method for being used to install magazine Pending CN107654459A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710919408.2A CN107654459A (en) 2017-09-30 2017-09-30 A kind of expansion bolt and its installation method for being used to install magazine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710919408.2A CN107654459A (en) 2017-09-30 2017-09-30 A kind of expansion bolt and its installation method for being used to install magazine

Publications (1)

Publication Number Publication Date
CN107654459A true CN107654459A (en) 2018-02-02

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Application Number Title Priority Date Filing Date
CN201710919408.2A Pending CN107654459A (en) 2017-09-30 2017-09-30 A kind of expansion bolt and its installation method for being used to install magazine

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108716506A (en) * 2018-07-23 2018-10-30 安徽六方重联机械股份有限公司 A kind of industrial automation equipment setscrew
CN109958282A (en) * 2017-12-14 2019-07-02 未来科技株式会社 Concrete frame mounting frame

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29617939U1 (en) * 1996-10-16 1996-12-12 DE-STA-CO Metallerzeugnisse GmbH, 61449 Steinbach Holding element
GB2401414A (en) * 2003-05-07 2004-11-10 Plastisign Ltd Expanding fastener for fixing a plate to a vehicle
CN2842040Y (en) * 2005-05-25 2006-11-29 中原工学院 Inner hexagonal flat expansion bolt
CN2869416Y (en) * 2006-01-05 2007-02-14 马宁 Expansion bolt
EP2423517A1 (en) * 2006-03-15 2012-02-29 Cawston Field IP Limited Fixing apparatus and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29617939U1 (en) * 1996-10-16 1996-12-12 DE-STA-CO Metallerzeugnisse GmbH, 61449 Steinbach Holding element
GB2401414A (en) * 2003-05-07 2004-11-10 Plastisign Ltd Expanding fastener for fixing a plate to a vehicle
CN2842040Y (en) * 2005-05-25 2006-11-29 中原工学院 Inner hexagonal flat expansion bolt
CN2869416Y (en) * 2006-01-05 2007-02-14 马宁 Expansion bolt
EP2423517A1 (en) * 2006-03-15 2012-02-29 Cawston Field IP Limited Fixing apparatus and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109958282A (en) * 2017-12-14 2019-07-02 未来科技株式会社 Concrete frame mounting frame
CN109958282B (en) * 2017-12-14 2021-09-28 未来科技株式会社 Bottom support frame for concrete frame
CN108716506A (en) * 2018-07-23 2018-10-30 安徽六方重联机械股份有限公司 A kind of industrial automation equipment setscrew

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Application publication date: 20180202