CN110886752B - Fixed reliable and repeatedly usable's gecko - Google Patents

Fixed reliable and repeatedly usable's gecko Download PDF

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Publication number
CN110886752B
CN110886752B CN201911231577.2A CN201911231577A CN110886752B CN 110886752 B CN110886752 B CN 110886752B CN 201911231577 A CN201911231577 A CN 201911231577A CN 110886752 B CN110886752 B CN 110886752B
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China
Prior art keywords
open slot
threaded rod
fixing
reusable
gecko
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CN201911231577.2A
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CN110886752A (en
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王瑞彪
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Jiaxing Aoke Hardware Technology Co ltd
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Jiaxing Aoke Hardware Technology Co ltd
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    • 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
    • F16B13/002Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose self-cutting
    • F16B13/004Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose self-cutting with a drilling sleeve driven against a tapered or spherical plug

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

Abstract

The invention discloses a gecko which is reliable in fixation and reusable, comprising a screw rod body, an open slot, two fixing bodies, a thread fixing mechanism, a blocking body, a connecting sleeve, two connecting bodies, a through hole and an ejector rod body, an open slot is arranged at the front end of the screw rod body, rotatable fixing bodies are arranged in the upper part and the lower part of the open slot through a pin shaft, the front end of the fixed body exceeds the front end of the open slot, the rear end of the fixed body is provided with a cutting part, the screw body is provided with a through hole with the front end communicated with the open slot, the front end of the through hole is internally provided with a connecting sleeve, the front end of adapter sleeve is equipped with the fender body that is located the open slot, the fender body is connected with the front end of two fixed bodies respectively through two connectors, still including the ejector pin body that can insert in the through-hole and can push up at the adapter sleeve rear end, compares with prior art, can fix reliably and repeatedly usable.

Description

Fixed reliable and repeatedly usable's gecko
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of fasteners, in particular to the technical field of geckos which are reliable in fixation and can be used repeatedly.
[ background of the invention ]
The gecko utilizes the wedge-shaped slope to promote the expansion to generate friction gripping force so as to achieve the fixing effect. One end of the screw body is provided with a thread, and the other end is provided with a taper. The steel sheet is covered on the outer surface, a plurality of cuts are arranged on one half of the iron sheet cylinder, the steel sheet cylinder and the cuts are plugged into a hole drilled on a wall together, then a nut is locked, the nut pulls the screw body outwards to pull the taper into the steel sheet cylinder, the steel sheet cylinder is expanded, and then the steel sheet cylinder is tightly fixed on the wall and is generally used for fastening protective guards, rain awnings, air conditioners and the like on materials such as cement, bricks and the like. The fixation is realized only by the friction force between the expanded steel cylinder and the wall body, and the fixation point is only one, so that the fixation is not very reliable. Therefore, there is a need for a gecko that is secure and reusable.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a gecko which is reliable in fixation and can be used repeatedly.
In order to achieve the purpose, the invention provides a gecko which is reliable in fixation and reusable, comprising a screw body, an open slot, two fixing bodies, a thread fixing mechanism, a blocking body, a connecting sleeve, two connecting bodies, a through hole and a push rod body, wherein the open slot is arranged at the front end of the screw body, the rotatable fixing bodies are arranged in the upper part and the lower part of the open slot through a pin shaft, the front end of the fixing body exceeds the front end of the open slot, the rear end of the fixing body is provided with a cutting part, the screw body is provided with a through hole with the front end communicated with the open slot, the connecting sleeve is arranged in the front end of the through hole, the blocking body positioned in the open slot is arranged at the front end of the connecting sleeve, the blocking body is respectively connected with the front ends of the two fixing bodies through the two connecting bodies, the push rod body which can be inserted into the through hole and can be pushed against the rear end of the connecting sleeve, and the thread fixing mechanism is arranged on the screw body, the thread fixing mechanism comprises a T-shaped nut, a tapping part and a thread part, and the tapping part and the thread part are sequentially arranged on the circumferential surface of the small-diameter section of the T-shaped nut from front to back.
Preferably, the tapping portion is formed by a plurality of cutting ridges, and all the cutting ridges are sequentially cut in a front-to-rear order to finally form a thread groove matched with the thread portion on the cut object.
Preferably, the cross section of the large-diameter section of the T-shaped nut is in the shape of a regular polygon.
As preferred, the screw body includes the second threaded rod of first threaded rod, integrated into one piece on first threaded rod rear end and the polished rod body of integrated into one piece on first threaded rod front end, the diameter of the polished rod body is greater than the diameter of first threaded rod, the diameter of first threaded rod is greater than the second threaded rod, the T nut that appears is established on first threaded rod, the pitch on the first threaded rod equals with the pitch of screw portion.
Preferably, the cutting part comprises a plurality of cutting knives, the front side of the rear end of the fixing body is an inclined plane, the cutting knives are formed on the edges except the front edge of the inclined plane, and the rear end of the fixing body is contacted with the rear end of the open slot.
Preferably, the cutting part further comprises a plurality of cutting teeth, and the cutting teeth are uniformly distributed on the inclined plane.
Preferably, the front end of the fixing body is a semicircular arc surface.
Preferably, the front end of the ejector rod body is provided with a threaded connector in threaded connection with the connecting sleeve, and the rear end of the ejector rod body is provided with a screwing head.
Preferably, the diameter of the driving head is not greater than the minor diameter of the thread of the second threaded rod.
The invention has the beneficial effects that: according to the invention, the fixing body is arranged in the open slot, when the fixing device is installed, the front end of the fixing body is abutted against the blind end of the installation blind hole, then the ejector rod body is knocked to drive the screw rod body to move towards the blind end of the installation blind hole to drive the fixing body to rotate, and the cutting part on the fixing body cuts the hole wall of the installation blind hole to form the blocking groove for embedding the upper end of the fixing body; the periphery of the small-diameter section of the T-shaped nut is sequentially provided with a tapping part and a threaded part from front to back, the hole wall of the mounting blind hole is cut by the tapping part to form a threaded groove matched with the threaded part, so that fixed points are increased, and the threaded part is matched with the threaded groove to form embedded fixation; during the dismantlement, press forward hard and twist the head, then pull the screw body backward and can dismantle, compare with prior art, can fix reliably and repeatedly usable.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic view of a gecko of the present invention that is securely fastened and reusable;
fig. 2 is a schematic view of a partially installed gecko of the present invention that is securely fixed and reusable.
In the figure: the screw comprises a 1-screw body, a 2-open slot, a 3-pin shaft, a 4-fixed body, a 5-thread fixed mechanism, a 6-inclined surface, a 7-baffle body, an 8-cutting knife, 9-cutting teeth, a 10-connecting sleeve, a 11-first threaded rod, a 12-second threaded rod, a 13-smooth rod body, a 14-connecting body, a 15-through hole, a 16-ejector rod body, a 17-thread connecting head, an 18-screwing head, a 51-T-shaped nut, a 52-cutting convex tooth and a 53-thread part.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the gecko with reliable fixation and reusability of the invention comprises a screw body 1, an open slot 2, two fixing bodies 4, a thread fixing mechanism 5, a blocking body 7, a connecting sleeve 10, two connecting bodies 14, a through hole 15 and a push rod body 16, wherein the open slot 2 is arranged at the front end of the screw body 1, the rotatable fixing bodies 4 are arranged in the upper part and the lower part of the open slot 2 through a pin shaft 3, the front end of the fixing body 4 exceeds the front end of the open slot 2, the rear end of the fixing body 4 is provided with a cutting part, the screw body 1 is provided with the through hole 15 with the front end communicated with the open slot 2, the connecting sleeve 10 is arranged in the front end of the through hole 15, the blocking body 7 positioned in the open slot 2 is arranged at the front end of the connecting sleeve 10, the blocking body 7 is respectively connected with the front ends of the two fixing bodies 4 through the two connecting bodies 14, the push rod body 16 which can be inserted into the through hole 15 and can push against the rear end of the connecting sleeve 10, the thread fixing mechanism 5 is arranged on the screw body 1, the thread fixing mechanism 5 comprises a T-shaped nut 51, a tapping part and a thread part 53, the tapping part and the thread part 53 are sequentially arranged from front to back on the peripheral surface of a small-diameter section of the T-shaped nut 51, the tapping part is composed of a plurality of cutting convex teeth 52, all the cutting convex teeth 52 sequentially cut according to the sequence from front to back to finally form thread grooves matched with the thread part 53 on a cut body, the cross section of a large-diameter section of the T-shaped nut 51 is in a regular polygon shape, the screw body 1 comprises a first thread rod 11, a second thread rod 12 integrally formed at the rear end of the first thread rod 11 and a light rod body 13 integrally formed at the front end of the first thread rod 11, the diameter of the light rod body 13 is greater than that of the first thread rod 11, the diameter of the first thread rod 11 is greater than that of the second thread rod 12, t shape nut 51 is established on first threaded rod 11, the pitch on the first threaded rod 11 equals with the pitch of screw thread portion 53, the cutting part includes a plurality of cutting knives 8, the rear end front side of the fixed body 4 is inclined plane 6, all is formed with cutting knife 8 on all the other edges except the front edge of this inclined plane 6, the rear end of the fixed body 4 and the rear end contact of open slot 2, the cutting part still includes a plurality of cutting teeth 9, be equipped with evenly distributed's cutting teeth 9 on inclined plane 6, the front end of the fixed body 4 is the semicircle face, the front end of the ejector pin body 16 is equipped with the threaded connection head 17 with adapter sleeve 10 threaded connection, the rear end of the ejector pin body 16 is equipped with twists and moves head 18, the diameter of twisting head 18 is not more than the path of the screw thread of second threaded rod 12.
The working process of the invention is as follows:
during the working process of the gecko with reliable fixation and reusability, one end of the gecko provided with the fixing body 4 is inserted into the installation blind hole 02, then the rear end of the second threaded rod 12 is knocked to enable the threaded rod body 1 to move into the installation blind hole 02, the blind end of the installation blind hole 02 forces the fixing body 4 to rotate, the fixing body 4 drives the baffle body 7 to move backwards through the connecting body 14 until the front end of the first threaded rod 11 is blocked by the blind end of the installation blind hole 02, at the moment, the fixing body 4 is in a vertical state, the baffle body 7 is contacted with the rear end of the open slot 2, the fixing body 4 drives the cutting part to cut the hole wall of the installation blind hole 02 during the rotation process to form a blocking groove 01 for embedding the upper end of the fixing body 4, then the T-shaped nut 51 is screwed into the installation blind hole 02 to enable the small-diameter section of the T-shaped nut 51 to be screwed into the installation blind hole, then the top rod body 16 is inserted into the through hole 15 and the screwing head 18 is screwed clockwise to enable the threaded connector 17 to be screwed into the connecting sleeve 10, until the screw head 18 comes to rest on the second threaded rod 12.
During the dismantlement, the anticlockwise rotation is twisted and is moved head 18 and drive threaded connection head 17 through the ejector pin body 16 and make it screw out adapter sleeve 10, then press forward hard and twist head 18 and outwards spur the screw body 1, until the gecko pulls out the installation blind hole, during outwards spur screw body 1, because adapter sleeve 10 is being pushed up by threaded connection head 17 and can not the backward motion, consequently, the lower extreme of stationary body 4 can not be along with moving together, the screw body 1 drives stationary body 4 through round pin axle 3 and rotates, make and block groove 01 and can not block stationary body 4.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (9)

1. The utility model provides a fixed reliable and repeatedly usable's gecko which characterized in that: comprises a screw body (1), an open slot (2), two fixing bodies (4), a thread fixing mechanism (5), a blocking body (7), a connecting sleeve (10), two connecting bodies (14) and a through hole (15), wherein the open slot (2) is arranged at the front end of the screw body (1), the rotatable fixing bodies (4) are arranged in the upper part and the lower part of the open slot (2) through a pin shaft (3), the front end of each fixing body (4) exceeds the front end of the open slot (2), a cutting part is arranged at the rear end of each fixing body (4), the through hole (15) with the front end communicated with the open slot (2) is arranged on the screw body (1), the connecting sleeve (10) is arranged in the front end of the through hole (15), the blocking body (7) positioned in the open slot (2) is arranged at the front end of the connecting sleeve (10), and the blocking body (7) is respectively connected with the front ends of the two fixing bodies (4) through the two connecting bodies (14), still including the ejector pin body (16) that can insert in through-hole (15) and can push up in adapter sleeve (10) rear end, be equipped with thread fixing mechanism (5) on the screw rod body (1), thread fixing mechanism (5) include T shape nut (51), tapping portion and screw portion (53), be equipped with tapping portion and screw portion (53) after to by preceding on the global of the little diameter section of T shape nut (51) in proper order.
2. A securely fastened and reusable gecko according to claim 1, wherein: the tapping part is composed of a plurality of cutting convex teeth (52), and all the cutting convex teeth (52) cut in sequence from front to back to finally form a thread groove matched with the thread part (53) on the cut object.
3. A securely fastened and reusable gecko according to claim 1, wherein: the cross section of the large-diameter section of the T-shaped nut (51) is in the shape of a regular polygon.
4. A securely fastened and reusable gecko according to claim 1, wherein: the screw rod body (1) includes first threaded rod (11), integrated into one piece second threaded rod (12) and integrated into one piece light rod body (13) on first threaded rod (11) rear end on first threaded rod (11) front end, the diameter of light rod body (13) is greater than the diameter of first threaded rod (11), the diameter of first threaded rod (11) is greater than second threaded rod (12), establish on first threaded rod (11) T shape nut (51), the pitch on first threaded rod (11) equals with the pitch of screw portion (53).
5. A securely fastened and reusable gecko according to claim 1, wherein: the cutting part comprises a plurality of cutting knives (8), the front side of the rear end of the fixing body (4) is an inclined plane (6), the cutting knives (8) are formed on the edges except the front edge of the inclined plane (6), and the rear end of the fixing body (4) is in contact with the rear end of the open slot (2).
6. A securely fastened and reusable gecko according to claim 5, wherein: the cutting part also comprises a plurality of cutting teeth (9), and the cutting teeth (9) which are uniformly distributed are arranged on the inclined plane (6).
7. A securely fastened and reusable gecko according to claim 1, wherein: the front end of the fixed body (4) is a semi-arc surface.
8. A securely fastened and reusable gecko according to claim 1, wherein: the front end of the ejector rod body (16) is provided with a threaded connector (17) in threaded connection with the connecting sleeve (10), and the rear end of the ejector rod body (16) is provided with a screwing head (18).
9. A securely fastened and reusable gecko according to claim 8, wherein: the diameter of the screwing head (18) is not larger than the small diameter of the thread of the second threaded rod (12).
CN201911231577.2A 2019-12-05 2019-12-05 Fixed reliable and repeatedly usable's gecko Active CN110886752B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911231577.2A CN110886752B (en) 2019-12-05 2019-12-05 Fixed reliable and repeatedly usable's gecko

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Application Number Priority Date Filing Date Title
CN201911231577.2A CN110886752B (en) 2019-12-05 2019-12-05 Fixed reliable and repeatedly usable's gecko

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Publication Number Publication Date
CN110886752A CN110886752A (en) 2020-03-17
CN110886752B true CN110886752B (en) 2021-08-03

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4943253A (en) * 1989-03-23 1990-07-24 Dry Dock Industries, Inc. Axial immobile fastener-receiving member
CN102359464A (en) * 2011-10-26 2012-02-22 裴春光 Shearing type expansion bolt
CN203384175U (en) * 2013-06-26 2014-01-08 赵永军 Expansion bolt
CN103953629A (en) * 2014-03-24 2014-07-30 中国神华能源股份有限公司 Fastener
CN104482007A (en) * 2014-12-11 2015-04-01 李剑峰 Pin-lift bonding anchor bolt
CN207848141U (en) * 2017-12-13 2018-09-11 苏州茂隆电梯配件有限公司 A kind of eversion type anchor bolt

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09133114A (en) * 1995-11-07 1997-05-20 Nifco Inc Plastic fastener
CN2613970Y (en) * 2003-03-07 2004-04-28 明基电通股份有限公司 Connector
CN202937574U (en) * 2012-09-28 2013-05-15 胡永雄 Hanging nail fastener used for hollow plate
CN205401345U (en) * 2016-03-25 2016-07-27 张子豹 Omnipotent inflation of V type is tied

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4943253A (en) * 1989-03-23 1990-07-24 Dry Dock Industries, Inc. Axial immobile fastener-receiving member
CN102359464A (en) * 2011-10-26 2012-02-22 裴春光 Shearing type expansion bolt
CN203384175U (en) * 2013-06-26 2014-01-08 赵永军 Expansion bolt
CN103953629A (en) * 2014-03-24 2014-07-30 中国神华能源股份有限公司 Fastener
CN104482007A (en) * 2014-12-11 2015-04-01 李剑峰 Pin-lift bonding anchor bolt
CN207848141U (en) * 2017-12-13 2018-09-11 苏州茂隆电梯配件有限公司 A kind of eversion type anchor bolt

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