CN103423254B - Fastening piece fast joint structure, connecting means and use the strongbox of this linkage structure - Google Patents
Fastening piece fast joint structure, connecting means and use the strongbox of this linkage structure Download PDFInfo
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- CN103423254B CN103423254B CN201310189245.9A CN201310189245A CN103423254B CN 103423254 B CN103423254 B CN 103423254B CN 201310189245 A CN201310189245 A CN 201310189245A CN 103423254 B CN103423254 B CN 103423254B
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Abstract
The present invention relates to a kind of fastening piece fast joint structure, connecting means and use the strongbox of this linkage structure, solve existing fastening piece to connect and will process multiple tracks screw thread carry out fastening on link, long processing time, the defect of easy reduction work efficiency, fastening piece connects two links, second link arranges threaded connection hole, the periphery of threaded connection hole strikes out together and screw thread, the central angle of this screw thread is at least 180 °, the thickness of the periphery of threaded connection hole and the pitch of fastening piece suitable; Attachment hole on first link is the attachment hole be connected fast with fastening piece, and fastening piece pretension is in threaded connection hole and be connected fast with the attachment hole on the first link.The thickness of threaded connection hole periphery is equal with the pitch of fastening piece, and the periphery of threaded connection hole is as the thread profile connected, and this thread profile only has a circle, and the mode of punching press can be adopted when processing directly to make, and processing is simple, improves work efficiency.
Description
Technical field
The present invention relates to a kind of linkage structure and connecting means and corresponding a kind of cabinet, especially a kind ofly improve assembling speed, reduce the fastening piece fast joint structure of assembling difficulty, connecting means and use the strongbox of this linkage structure.
Background technique
Existing linkage structure kind is many, and use occasion is also more extensive.Through change of technique for many years, solder design in steel linkage structure, to be threaded and rivet interlacement is the most frequently used linkage structure.These three kinds of linkage structures can use in general conversion, but also can need to use specific linkage structure in some occasions, such as solder design is applicable to fixing non-disconnectable connection occasion, is threaded and is applicable to repetition releasable connection occasion, and rivet interlacement belongs to damage type releasable connection occasion.
Be threaded and be divided into bolt to connect and be connected with screw, the hole during bolt connects, connected piece offered is unthreaded hole, then is fixed by nut, and the hole that during screw connects, connected piece is offered is tapped hole, and screw is screwed in tapped hole and is fixed.Screw connect to connect with bolt compared with eliminate nut, need not consider to there will be the phenomenon that stud rotates with nut simultaneously when screwing, and it is also fewer to turn the accessory that timing carries, therefore compare bolt and connect, the speed of screw connection is faster.
Adopt screw to connect when assembling, first that the attachment hole on two links is overlapping, then screw is screwed in attachment hole, and wherein needs to be processed into tapped hole towards the attachment hole on the fillet of screw tip.The structure qualification of screw use instrument is screw-driver, and the axis of screw-driver and the dead in line of screw, during assembling, two links overlap, attachment hole alignment is overlapping, screw tip is inserted in attachment hole, then by the tail end of the end alignment screw of screw-driver, this just requires that screw installation position reserves enough spaces, be convenient to screw-driver place, also convenient operation hand rotation screw cutter.But can not reserve sufficient space at structure influence, screw connection is restricted.
Patent Office of the People's Republic of China has announced a CN101265931B patent on July 21st, 2010, and name is called the concealed connecting apparatus between a kind of two pipe fittings, includes: pipe fitting one, it has one or more tapped hole fastening for screw thread; Pipe fitting two, it has one or more screw chute, this screw chute one end has the through hole inserted for screw head, and the remaining part of screw chute is the chute slided for screw neck, and the width of this chute is less than screw head diameter and is greater than the diameter of screw neck; Screw includes screw head, screw neck, location piece, screw section; During assembling, the tapped hole that the threaded portion of this screw is fastened on pipe fitting one is located by location piece fixing, after the screw head of the screw through hole through the screw chute of pipe fitting two, then put in place by the slide on screw chute by screw neck.But thread mill drilling wanted by pipe fitting 1, and this tapped hole can form multiple tracks screw thread, at least 2 road screw threads, need just can be completed by tapping when processing like this, process more time-consuming, and screw thread is easily subject to the impact of panel thickness, if panel thickness is greater than pitch, then plate can produce multiple tracks screw thread, require that screw thread meets required precision ability fastening screw trip bolt, if panel thickness is less than or equal to pitch, then can not processes a complete circle screw thread, affect the intensity of screw fastening.And thread turns increases, the time that plate is processed increases, and reduces work efficiency.
Summary of the invention
The invention solves existing fastening piece to connect and will process multiple tracks screw thread carry out fastening on link, long processing time, the defect of easy reduction work efficiency, a kind of fastening piece fast joint structure is provided, link processes an attachment hole, the edge of this attachment hole only forms the screw thread matched with the screw thread form of fastening piece together, thus improves work efficiency.
The pitch of the thickness and fastening piece that this invention also solves existing link does not have corresponding relation, enclosing screw thread less than one and affecting the defect of fastening strength easily appears in the attachment hole on link, and cause the troublesome defect of processing more than one screw thread, a kind of fastening piece fast joint structure is provided, the pitch of the fastening piece selected when fastening piece connects is identical with the thickness of slab of link, link processes the attachment hole only with a circle screw thread, easy to process, easy to connect.
This invention also solves the connection of existing fastening piece to need to use the impact that screw-driver is easily subject to fastening piece assembly space, easily there is the little problem that can not assemble in space, a kind of fastening piece fast joint structure is provided, fastening piece is connected to wherein on a connection piece in advance, another part link is provided with jack and chute, adopting carries out fastening to the mode of slotting slip, not by the impact of fastening piece assembly space.
The present invention also provides a kind of fastening piece quick connecting method, is processed attachment hole, in advance fixation fastener and adopted to connect two links to the mode of slotting slip, not by the impact of fastening piece assembly space by the mode of punching press.
The strongbox that the present invention also provides a kind of fastening piece to be formed by connecting fast, uses fastening piece quick connecting method to adopt fastening piece fast joint structure to assemble, saves installation time, also do not turn the restriction of joining space by fastening piece.
The technical solution adopted for the present invention to solve the technical problems is: a kind of fastening piece fast joint structure, fastening piece connects two links, two links all offer attachment hole, fastening piece is screwed in attachment hole fastening, near fastening piece tail end is the first link, away from fastening piece tail end is the second link, attachment hole on second link is threaded connection hole, the periphery of threaded connection hole strikes out the screw thread matched with the thread profile of fastening piece together, the central angle of this screw thread is at least 180 °, the thickness of the periphery of threaded connection hole and the pitch of fastening piece suitable, attachment hole on first link is the attachment hole be connected fast with fastening piece, and fastening piece pretension is in threaded connection hole and be connected fast with the attachment hole on the first link.Threaded connection hole on second link is that punching press is made, processing is simple, improve work efficiency, in stamping process, the periphery of threaded connection hole is for being squeezed and producing burr, fastening piece pretension is in the threaded connection hole of the second link, take full advantage of extrusion-deformation and burr produces enough pretightening forces, then can enough fastening forces be produced after being connected fast with the attachment hole on the first link; When the thickness of slab of the second link is enough, threaded connection hole to be squeezed distortion through punching press, and the central angle of threaded connection hole periphery is 180 ° and can meets fastening piece fastening requirements; The screw thread of the periphery of threaded connection hole is formed according to the screw thread punching press of fastening piece, has length and the pitch of suitable axis; Attachment hole on first link is connected fast with fastening piece, this step of screw-driver is used when eliminating assembling, also the situation generation that fastening piece mounting point affects screw-driver use is just avoided, thus more reasonably can adjust the own form of link, also without the need to preparing screw-driver when assembling; The attachment hole be connected fast with fastening piece can have various ways, the mode of such as grafting, the mode of such as slippage.
As preferably, the central angle of the screw thread that the periphery of the threaded connection hole on the second link is formed is 200 °-360 °; The attachment hole be connected fast with fastening piece is the hole that is connected that the jack that is interconnected and chute combine, the diameter of jack is greater than the diameter of fastening piece tail end, the width of chute and the diameter of fastener threads section suitable, fastening piece is in chute and threaded connection hole.First link arranges the hole that is connected that jack and chute communicate, in advance fastening piece can be screwed into threaded connection hole, these can complete when part processing, only the first link need be plugged on the second link when connection, chute matches with fastener threads section, easy to assembly, Consumer only needs directly to install just can use, without the need to the first link and the second link is fastening to screwing in fastening piece again after connecting, can break when transporting simultaneously, convenient transport.
For not affecting the shape of the thread profile of threaded connection hole periphery, as preferably, the edge of the threaded connection hole on the second link is provided with one fluting in radial directions, the dual-side of fluting staggers mutually, and the height difference of a pitch is formed at the peripheral position of this threaded connection hole, the position of this fluting is the initial position of corresponding threaded connection hole screw thread and final position just in time.Fluting provides space to staggering of thread profile pitch direction, thus makes threaded connection hole punching press more smooth, and thread profile meets the requirements more.
The selection scheme of the second: the edge of the threaded connection hole on the second link is provided with one axial joint in radial directions, axial joint forms the height difference of a pitch at the periphery of this threaded connection hole, axial joint is provided with the groove matched with fastener threads thread form on the side at threaded connection hole center.Axial joint can improve the intensity of threaded connection hole.
As preferably, the edge of the threaded connection hole of the second link forms cone table shape, and when the second link overlaps fastening with the first link, the frustum on the second link and the first link are separated.Frustum can produce distortion, and can provide enough impacting forces sliding in chute after fastening piece pre-connection, the shape of frustum also can improve the intensity of threaded connection hole periphery.
A connecting means for fastening piece fast joint structure, is characterized in that: (1), prepare the fastening piece that is fastenedly connected according to the thickness of slab of link, and wherein the pitch of fastening piece is identical with thickness of slab;
(2) on the first link, offer the jack that a diameter is greater than fastening piece tail end diameter, then be communicated with jack and offer a chute, the width of chute and the diameter of fastener threads section suitable, the finally fastening position of corresponding two links in position, end of chute, second link stamps out frustum, the conical surface of frustum is gone out one fluting, threaded connection hole is gone out in the neutral position of frustum, and the peripheral shape of threaded connection hole and of fastening piece encloses screw thread form and matches;
(3), by fastening piece be screwed in the threaded connection hole on the second link in advance, fastening piece screws in from the bigger diameter end of the second link frustum, and the distance controlled between the inner side plane of fastening piece tail end and the surface of the second link is the thickness of the first link;
(4), then the jack of the first link is aimed at fastening piece tail end, first link and the second link coincide through jack by fastening piece tail end, again the direction of the first link along chute is moved, make fastening piece clamp the first link and the second link.
(5), have between the first link and the second link many places connect time, repeated above-mentioned steps (3), finally carried out step (4) again and finally complete all connections.
What this connecting means adopted is fastening piece pretension in producing, then by client's being made by manufacturers or users, and without the need to screw-driver in assembling, easy to assembly, time saving and energy saving, use this connecting means without the need to screw-driver, position fastening for fastening piece can be arranged on concealed location.
A kind of strongbox using fastening piece fast joint structure, comprise the cabinet and cabinet door that are hinged, cabinet is formed by connecting by fastening piece each other by polylith sub-unit, wherein, the marginal position of sub-unit docking is provided with flange, flange is provided with attachment hole, and after sub-unit docking, fastening piece carries out fastening through attachment hole; Attachment hole is divided into two kinds, a kind of threaded connection hole being periphery and fastener threads thread form and matching, the another kind of hole that is connected being jack and chute and being interconnected, fastening piece connection chute and threaded connection hole after sub-unit docking.Adopt the strongbox that the assembling mode of grafting is assembled, without the need to screw-driver in assembling, can break in transport overshoot, and sub-unit is processed into plane, it is more convenient to transport, and is transported to also more convenient upstairs.
As preferably, the edge of threaded connection hole is provided with one fluting in radial directions, the dual-side of fluting staggers mutually, and forms the height difference of a pitch at the peripheral position of this threaded connection hole, and the position of this fluting is the initial position of corresponding threaded connection hole screw thread and final position just in time.Fluting provides space to staggering of thread profile pitch direction, thus make threaded connection hole punching press more smooth, thread profile meets the requirements more, in assembly process, also can produce suitable distortion after processing, make the periphery of threaded connection hole fastener threads spacing under from Row sum-equal matrix pitch adapt to fastening piece.
As preferably, the edge of threaded connection hole forms cone table shape, and during sub-unit docking, frustum and chute position are separated.
As preferably, the same flange of sub-unit is provided with threaded connection hole and the hole that is connected, threaded connection hole and the hole that is connected are interspersed; Sub-unit is divided into backboard, two pieces of side plates, top board and base plates, four limits of backboard are provided with flange, the vertical edge of side plate is formed the flanging of perpendicular side plate, the edge of flanging is provided with flange, flange parallels with side plate, top board and the flanging horizontal edge of base plate being formed vertical top board and base plate, the edge of flanging is provided with flange, and flange parallels with top board and base plate.
The invention has the beneficial effects as follows: the thickness of threaded connection hole periphery is equal with the pitch of fastening piece, the periphery of threaded connection hole is as the thread profile connected, and this thread profile only has a circle, and the mode of punching press can be adopted when processing directly to make, processing is simple, improves work efficiency; In advance fastening piece can be screwed into threaded connection hole, chute matches with fastener threads section, easy to assembly; Can break when transporting simultaneously, convenient transport.
Accompanying drawing explanation
Fig. 1 is the sectional view of a kind of fastening piece fast joint structure of the present invention;
Fig. 2 is the structural representation of a kind of threaded connection hole of the present invention;
Fig. 3 is the structural representation in a kind of hole that is connected of the present invention;
Fig. 4 is the process schematic of a kind of connecting means of the present invention;
Fig. 5 is the structural representation of a kind of strongbox of the present invention;
Fig. 6 is the assembling schematic diagram of a kind of strongbox of the present invention;
In figure: 1, fastening piece, the 2, first link, 3, be connected hole, the 4, second link, 5, threaded connection hole, 6, frustum, 7, slot, 8, jack, 9, chute, 10, cabinet door, 11, top board, 12, backboard, 13, side plate, 14, flange, 15, base plate, 16, flanging.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.
Embodiment: a kind of screw fast joint structure (see accompanying drawing 1), screw 1 connects two links.Near screw cap in two links is the first link 2, and away from screw cap is the second link 4.First link is provided with on hole 3, second link that is connected and is provided with threaded connection hole 5.Be connected the jack 8 and chute 9 that comprise and being interconnected, and the diameter of jack is greater than the diameter of screw cap, the width of chute and the diameter of screw thread section suitable (see accompanying drawing 3).The edge of threaded connection hole forms frustum 6 shape, and when the second link overlaps fastening with the first link, the frustum on the second link and the first link are separated, and screw screws in from the bigger diameter end of the second link frustum.The periphery of threaded connection hole is the screw thread that a circle is complete, the central angle of screw thread is 360 °, the screw thread of this screw thread and screw matches, the thickness of threaded connection hole periphery is equal with the pitch of screw, the edge of threaded connection hole is provided with one fluting 7(in radial directions see accompanying drawing 2), the dual-side of fluting staggers mutually, and forms the height difference of a pitch at the peripheral position of this threaded connection hole, and the position of this fluting is the initial position of corresponding threaded connection hole screw thread and final position just in time.When screw fastening first link and the second link, screw is in chute and threaded connection hole.
The connecting means (see accompanying drawing 4) of above-mentioned screw fast joint structure: (1), prepare the screw that is fastenedly connected according to the thickness of slab of link, wherein the pitch of screw is identical with thickness of slab;
(2), first link 2 is offered the jack 8 that a diameter is greater than screw cap diameter, then be communicated with jack and offer a chute 9, the width of chute and the diameter of screw thread section suitable, the finally fastening position of corresponding two links in position, end of chute, second link stamps out frustum 6, the conical surface of frustum is gone out one fluting 7, threaded connection hole 5 is gone out in the neutral position of frustum, the peripheral shape of threaded connection hole and one of screw encloses screw thread form and matches, the periphery of threaded connection hole forms the distance that staggers of a pitch in the position of fluting,
(3), by screw 1 be screwed in the threaded connection hole 5 on the second link 4 in advance, screw screws in from the bigger diameter end of the second link frustum, and the distance controlled between the inner side plane of screw cap and the surface of the second link is the thickness of the first link;
(4), then by the jack 8 alignment screw cap of the first link, the first link and the second link coincide through jack 8 by screw cap, then are moved in the direction of the first link along chute 9, make screws clamp first link and the second link.
(5), have between the first link and the second link many places connect time, repeated above-mentioned steps (3), finally carried out step (4) again and finally complete all connections.
A kind of strongbox (see accompanying drawing 5) using screw fast joint structure, comprise the cabinet and cabinet door 10 that are hinged, cabinet is connected by screw each other by polylith sub-unit and forms, and sub-unit is divided into backboard 12, two pieces of side plates 13, top board 11 and base plates 15.Four limits of backboard are provided with flange 14, flange are provided with the hole 3 that is connected.The vertical edge of side plate is formed the flanging 16 of perpendicular side plate, the edge of flanging is provided with flange 14, and flange parallels with side plate, this flange is provided with threaded connection hole 5, and the widthwise edge up and down of side plate is provided with flange 14, and this flange is provided with the hole 3 that is connected.On top board, the position of corresponding backboard and side plate is provided with flanging 16, and the edge of flanging is provided with flange, this flange is provided with threaded connection hole 5.On base plate, the position of corresponding backboard and side plate is provided with flanging 16, and the edge of flanging is provided with flange, and this flange is provided with threaded connection hole.The hole that is connected on flange vertical on backboard, wherein chute is in the below of jack.On the hole that is connected on flange above the side plate being in left side, flange above backboard be connected hole and be in right side side plate above flange on the hole that is connected, the chute opposing receptacle in these holes that are connected is all facing one direction.Equally, the chute opposing receptacle in the hole that is connected on all flange being in below also all facing one direction.Threaded connection hole on flange and the hole that is connected are one_to_one corresponding, and after screw connects, the end position of chute just in time aims at threaded connection hole, and the structure in threaded connection hole and the hole that is connected is with reference to the structure in screw fast joint structure.
Equal pre-loading screw 1 in all threaded connection holes of flange vertical on side plate, the surface of screw cap and flange reserves enough gaps, then side plate is aimed at the vertical flange of backboard, screw cap is inserted in jack, then side is moved down, make the thread section of screw enter in chute, complete the assembling (see accompanying drawing 6) of side plate and backboard.The side plate of both sides has all assembled with backboard, then pre-loading screw in the threaded connection hole on the flange of top board, reserve enough gaps equally, overlapped by the flange that the flange of top board and backboard and side plate are in top, screw cap is inserted in jack, is then moved in the direction of top board towards chute, the thread section of screw is made to enter in chute, complete the assembling of top board, same method also completes the assembling of base plate, and the assembling of such cabinet completes.Then be installed on biside plate by cabinet door, cabinet door is connected with the mode of side plate by hinge.
Another kind of scheme: the threaded connection hole on the flange contacted with each other and be connected hole can be interlaced, as long as the chute opposing receptacle be connected on hole is in same orientation.
Embodiment 2: a kind of screw fast joint structure, the edge of threaded connection hole arranges frustum 6, frustum is provided with one axial joint in the position of radial direction, axial joint forms the height difference of a pitch at the periphery of this threaded connection hole, axial joint is provided with the groove matched with screw thread thread form on the side at threaded connection hole center.Screw is screwed in threaded connection hole, and the crest of screw thread is just in time in the bottom position of groove.All the other structures are with reference to embodiment 1.
Above-described embodiment is two kinds of preferred version of the present invention, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technological scheme described in claim.
Claims (10)
1. a fastening piece fast joint structure, fastening piece (1) connects two links, two links all offer attachment hole, fastening piece is screwed in attachment hole fastening, wherein near fastening piece tail end is the first link (2), away from fastening piece tail end is the second link (4), it is characterized in that the attachment hole on the second link is threaded connection hole (5), the periphery of threaded connection hole strikes out the screw thread matched with the thread profile of fastening piece together, the central angle of this screw thread is at least 180 °, the thickness of the periphery of threaded connection hole and the pitch of fastening piece suitable, attachment hole on first link is the attachment hole be connected fast with fastening piece, and fastening piece pretension is in threaded connection hole and be connected fast with the attachment hole on the first link.
2. fastening piece fast joint structure according to claim 1, is characterized in that the central angle of the screw thread that the periphery of the threaded connection hole on the second link is formed is 200 °-360 °; The attachment hole be connected fast with fastening piece is the hole that is connected (3) that jack (8) and chute (9) combine, jack and chute are interconnected, the diameter of jack is greater than the diameter of fastening piece tail end, the width of chute and the diameter of fastener threads section suitable, fastening piece is in chute and threaded connection hole.
3. fastening piece fast joint structure according to claim 1, it is characterized in that the edge of the threaded connection hole on the second link is provided with one fluting (7) in radial directions, the dual-side of fluting staggers mutually, and the height difference of a pitch is formed at the peripheral position of this threaded connection hole, the position of this fluting is the initial position of corresponding threaded connection hole screw thread and final position just in time.
4. fastening piece fast joint structure according to claim 1, it is characterized in that the edge of the threaded connection hole on the second link is provided with one axial joint in radial directions, axial joint forms the height difference of a pitch at the periphery of this threaded connection hole, axial joint is provided with the groove matched with fastener threads thread form on the side at threaded connection hole center.
5. the fastening piece fast joint structure according to claim 1 or 2 or 3 or 4, it is characterized in that the edge of the threaded connection hole of the second link forms frustum (6) shape, when second link overlaps fastening with the first link, the frustum on the second link and the first link are separated.
6. a connecting means for any one fastening piece fast joint structure described in claim 1 to 5, it is characterized in that step (1), prepare the fastening piece that is fastenedly connected according to the thickness of slab of link, wherein the pitch of fastening piece is identical with thickness of slab;
Step (2), on the first link, offer the jack that a diameter is greater than fastening piece tail end diameter, then be communicated with jack and offer a chute, the width of chute and the diameter of fastener threads section suitable, the finally fastening position of corresponding two links in position, end of chute, second link stamps out frustum, the conical surface of frustum is gone out one fluting, threaded connection hole is gone out in the neutral position of frustum, and the peripheral shape of threaded connection hole and of fastening piece encloses screw thread form and matches;
Step (3), to be screwed into fastening piece in advance on the second link threaded connection hole in, fastening piece screws in from the bigger diameter end of the second link frustum, and the distance controlled between the inner side plane of fastening piece tail end and the surface of the second link is the thickness of the first link;
Step (4), then the jack of the first link is aimed at fastening piece tail end, first link and the second link coincide through jack by fastening piece tail end, again the direction of the first link along chute is moved, make fastening piece clamp the first link and the second link;
Step (5), have between the first link and the second link many places connect time, repeated above-mentioned steps (3), finally carried out step (4) again and finally complete all connections.
7. one kind uses any one fastening piece fast joint structure described in claim 1 to 5 and adopts connecting means described in claim 6 to carry out the strongbox connected, comprise the cabinet and cabinet door (10) that are hinged, cabinet is formed by connecting by fastening piece each other by polylith sub-unit, it is characterized in that the marginal position that sub-unit docks is provided with flange (14), flange is provided with attachment hole, and after sub-unit docking, fastening piece carries out fastening through attachment hole; Attachment hole is divided into two kinds, a kind of threaded connection hole being periphery and fastener threads thread form and matching, the another kind of hole that is connected being jack and chute and being interconnected, fastening piece connection chute and threaded connection hole after sub-unit docking.
8. strongbox according to claim 7, it is characterized in that the edge of threaded connection hole is provided with one fluting in radial directions, the dual-side of fluting staggers mutually, and the height difference of a pitch is formed at the peripheral position of this threaded connection hole, the position of this fluting is the initial position of corresponding threaded connection hole screw thread and final position just in time.
9. the strongbox according to claim 7 or 8, it is characterized in that the edge of threaded connection hole forms cone table shape, during sub-unit docking, frustum and chute position are separated.
10. strongbox according to claim 7, the same flange that it is characterized in that sub-unit is provided with threaded connection hole and the hole that is connected, and threaded connection hole and the hole that is connected are interspersed; Sub-unit is divided into backboard (12), two pieces of side plates (13), top board (11) and base plates (15), four limits of backboard are provided with flange, the vertical edge of side plate is formed the flanging (16) of perpendicular side plate, the edge of flanging is provided with flange, flange on flanging parallels with side plate, the horizontal edge of top board is formed the top flanging of vertical top board, the edge of top flanging is provided with flange, flange on the flanging of top parallels with top board, the horizontal edge of base plate is formed the bottom edgefold of vertical base plate, the edge of bottom edgefold is provided with flange, and the flange on bottom edgefold parallels with base plate.
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| CN201310189245.9A CN103423254B (en) | 2013-05-21 | 2013-05-21 | Fastening piece fast joint structure, connecting means and use the strongbox of this linkage structure |
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| CN201310189245.9A CN103423254B (en) | 2013-05-21 | 2013-05-21 | Fastening piece fast joint structure, connecting means and use the strongbox of this linkage structure |
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| CN103423254B true CN103423254B (en) | 2015-08-26 |
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| CN108825602B (en) * | 2018-09-05 | 2023-12-29 | 深圳广晟幕墙科技有限公司 | Rail decoration connecting structure |
| CN113814649A (en) * | 2021-08-13 | 2021-12-21 | 株洲中车天力锻业有限公司 | Online repairing device and method for inner wall of circular hole |
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| CN1650112A (en) * | 2002-08-22 | 2005-08-03 | 罗伯特-博希股份公司 | Fixing arrangement |
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| CN102146953A (en) * | 2010-02-09 | 2011-08-10 | 鸿富锦精密工业（深圳）有限公司 | Fastening member and fixing structure using same |
| CN202125490U (en) * | 2011-03-17 | 2012-01-25 | 晟铭电子科技股份有限公司 | Fixing piece and plate |
| CN202100564U (en) * | 2011-04-21 | 2012-01-04 | 鲜跃华 | Fastener for furniture |
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| CN103423254A (en) | 2013-12-04 |
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