CN102384135B - Self-tapping multifunctional furniture rapid assemble connecting piece - Google Patents
Self-tapping multifunctional furniture rapid assemble connecting piece Download PDFInfo
- Publication number
- CN102384135B CN102384135B CN 201110421980 CN201110421980A CN102384135B CN 102384135 B CN102384135 B CN 102384135B CN 201110421980 CN201110421980 CN 201110421980 CN 201110421980 A CN201110421980 A CN 201110421980A CN 102384135 B CN102384135 B CN 102384135B
- Authority
- CN
- China
- Prior art keywords
- section
- self
- tapping
- expansion
- tapping 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Furniture Connections (AREA)
Abstract
The invention discloses a self-tapping multifunctional furniture rapid assemble connecting piece. The connecting piece is composed of a self-tapping screw head, an expanding sleeve and a built-in active push rod, wherein the self-tapping screw head is divided into a self-tapping screw rod section and an embeded section, the self-tapping screw rod section is exposed out of the expanding sleeve, and the embedded section is embeded or spirally twisted on the inner wall of an end locating section of the expanding sleeve; the expanding sleeve is divided into the end locating section, a spiral twisting section and a small diameter expanding section; the expanding section is provided with 2-5 expanding points, wherein the tail end of the expanding section is provided with an expanding point, the middle of the expanding section is provided with 1-4 expanding points, each expanding point is provided with a plurality of expansion pieces, the built-in active push rod is provided with cone hammer heads the quantity and position of which are corresponding to expanding points. The side end of a furniture plate is inserted the bottom of a hole so as to press and fix on the T-shaped tail end of the active push rod of the connecting piece of the other plate, and then the active push rod moves into the expanding sleeve; and the cone hammer heads gradually extrude the expansion pieces so as to generate outward expansive force to clamp the inner wall of the furniture plate hole, thereby realizing close connection of the plate.
Description
Technical field
The present invention relates to a kind of self-tapping multifunctional furniture rapid assemble connecting piece.
Background technique
Existing furniture construction link is generally the direct tension of two-in-one, three-in-one class eccentric part or embeds location tension connection, its major defect has: (1) furniture construction operation is many, more loaded down with trivial details and efficient is low, such as the most frequently used three-in-one (rubber base, screw rod, eccentric lock nut) assembling, not only must squeeze into the screw rod rubber base in plate surface, also need dowel to cooperate the location; And furniture board perforation processing operation is many, particularly embeds the location type link, and the plate perforation processing is complicated, and positioning requirements is accurate; (2) screw rod screws in rubber base and crosses deeply or too shallow, the eccentric nut hook all very easily occurs less than screw head, causes situation about can't lock; (3) it is insecure that tension mode causes locking, rocks, and the furniture that assembles must be fixed separately; As be screwed backboard and could independently put; (4) it is larger that plate exposes the eccentric nut hole, not attractive in appearance; (5) user cost is higher.
Summary of the invention
The object of the invention is to overcome above shortcoming, a kind of self-tapping multifunctional furniture rapid assemble connecting piece is provided.To realize integrating location and fastening function; Quick, the firm assembled furniture of energy, processing is simple, efficient is high, cost is low; Furniture construction well after natural beauty very little without exposing hole or exposing the hole; Both can make 90 ° of right angles and connect, and also can make 180 ° of straight lines and connect, and can also make cross and connect.
Technological scheme of the present invention is: be comprised of tapping screw head, expansion sleeve and built-in movable push bar; Described tapping screw head is divided into self tapping screw mandrel section and embeds section, self tapping screw mandrel section is exposed outside the expansion sleeve, embedding section is embedded into or is screwed in expansion sleeve termination positioning section inwall, described expansion sleeve is divided into the smaller expansion arc of termination positioning section, the section of screwing and diameter, described expansion arc is provided with 2 to 5 expansion point, wherein tail end has an expansion point, there is 1-4 expansion point at the middle part, each expansion point is provided with several intumescent sheets, and described built-in movable push bar is provided with the taper tup corresponding with expansion point quantity, position.
The intumescent sheet opening direction of 1-4 the expansion point at described expansion arc middle part is opposite with tail end intumescent sheet opening direction, be the arc design, when its outside expansion produces expansive force, produce the power to tapping screw head direction, make furniture board paste tightr more firm and solidly.
Be divided into Three regions in the described expansion sleeve pipe: the one, the tapping screw head embeds the section fixed area, the 2nd, the breathing space, the intumescent sheet inwall of all expansion point is all projecting inward to die, and when movable push bar taper tup extrusion expansion sheet convex in the pipe partly the time, intumescent sheet is opened the generation expansive force outward; The 3rd, the movable push bar positioning area is provided with elasticity spacer ferrule sheet and wales movable push bar front end tup in pipe, makes it keep relatively fixing when not doing work.
The termination positioning section diameter of described expansion sleeve is identical with plate patchhole diameter, and its surface is provided with convex line, is used for the assembling error correction and strengthens drive fit.
The embedding section end face of described tapping screw head is angular or concavo-convex, is embedded in expansion sleeve termination positioning section inwall. the inner tube wall of described expansion sleeve termination positioning section is designed to embed the corresponding angular of section, concavo-convex with the tapping screw head.
The embedding section of described tapping screw head is lead screw, is screwed in expansion sleeve termination positioning section inwall, and the inner tube wall of described expansion sleeve termination positioning section is provided with the embedding section of tapping screw head is screwed the screw thread that makes it in the inner in aggregates.
Described movable push bar tip designs has T shape gib head, has a dome minipad on it, make a call to a removal hole as long as add at plate patchhole bottom vertical corresponding position, link namely possesses detachable function, when needs dismounting plate, and removable trim, go out dome minipad on the T shape head with the little hook hook of special use, abdicate certain space, prize T shape gib head with special-purpose Y type instrument by removal hole, the movable push bar pine is moved back and dismantle plate.
The exterior edge face of the section of screwing of described expansion sleeve is designed to cydariform or hexagon, octagon, quincunx or other geometrical shapies.
Described exterior edge face is designed to the section of screwing of cydariform, and two planes corresponding to its surface are used for using the flat mouth spanner that link is screwed in plate and draw the hole.
The exterior edge face of the described section of screwing is designed to hexagon, octagon or quincunx, is used for using hexagonal, anise or coupling box, link integral body is screwed in plate draws on the hole, improves packaging efficiency.
The assembling of link and use: factory presses or is screwed in expansion sleeve positioning end inwall (self tapping screw mandrel section exposes) with the embedding section embedding of tapping screw head, movable push bar is squeezed into by expansion sleeve tail end expansion hatch, enter in its positioning area to the front end tup, push rod top T shape head is exposed at outside the pipe, put the dome minipad, finish the link general assembly, the link integral body that always installs can directly be screwed and is fixed on plate and draw on the hole, and the plate patchhole that need are connected is aimed at expansion sleeve and inserted to exert pressure and namely finish plate and connect; Described tapping screw head and built-in movable push bar adopt metal or have the other materials making of certain degree of hardness, intensity, and described expansion sleeve adopts metal, nylon, soft and hard plastic or has the other materials making of certain elasticity, toughness.
Advantage of the present invention: (1) has multifunctional characteristics: integrate location and fastening function (can omit the dowel location), can be used for 90 ° of right angles of furniture board and connect, also can be used for 180 ° of straight lines and connect, can also be used for cross and connect; Can removably connect, also can do non-dismounting and connect; (2) rapid-assembling: the furniture board packaging efficiency is higher, link is screwed into plate draws the hole, and another plate is aimed at its insertion and exerted pressure and can finish plate and connect.(3) to be that self tapping is screwed fastening because of the one end, and an end is expansion fastening and has locating function, so that plate connects locking is more firm, more firm and solid; (4) reduced furniture board perforation processing operation, need not squeeze into the screw rod rubber base, need not beat dowel hole, raised the efficiency, cut down finished cost; (5) plate connects rear natural beauty, and without exposing hole, screw head (non-dismounting connection), or it is less to expose the hole, available tegillum sunshade lid (removably connecting); (6) simple in structure, three-in-one, two-in-one assembling manufacturing, user cost commonly used is lower.
Description of drawings
Fig. 1 is the link generalized section;
Fig. 2 is tapping screw head facade and left and right end view;
Fig. 3 is expansion sleeve 1/4 section and left and right end view;
Fig. 4 is built-in movable push bar 1/4 section and left and right end view;
Fig. 5 is that plate need not be done 90 ° of right angles connections under the dismounting situation, 180 ° of straight lines connect and the cross connection diagram;
Fig. 6 is that 90 ° of right angles connections of do, 180 ° of straight lines connect and the cross connection diagram in the detachable situation of plate;
Fig. 7 is plate unloading process schematic representation.
Embodiment
Embodiment 1: the self-tapping multifunctional furniture rapid assemble connecting piece structure
Arrive Fig. 7 referring to Fig. 1:
Self-tapping multifunctional furniture rapid assemble connecting piece is comprised of tapping screw head 1, expansion sleeve 2 and built-in movable push bar 3 three parts.
Described tapping screw head 1 is divided into self tapping screw mandrel section 1-1 and embeds section 1-2, and self tapping screw mandrel 1-1 exposes outside the expansion sleeve 2, is used for screwing in plate and draws hole 13, embeds section 1-2 and is embedded in expansion sleeve termination positioning section 2-1 inwall, is pressed into one by factory with 1 and 2; Described expansion sleeve 2 all inserts plate when using and inserts in empty 14, it is divided into termination positioning section 2-1, the section of screwing 2-2 and the smaller cylindrical expansion arc 2-3 of diameter, described termination positioning section 2-1 diameter is identical with plate patchhole 14 diameters, be used for the drive fit location, its surface is provided with convex line 5, be used for assembling error correction (the plate operation power that so far is hampered is paused, whether can check wrongly installed) and strengthen drive fit; The exterior edge face of the described section of screwing 2-2 is designed to hexagon, octagon or quincunx, is used for using hexagonal, anise or coupling box (can go up at electronic screwdriver bit) that link integral body is screwed in plate and draws hole 13; The inner tube wall of described expansion sleeve 2 termination positioning section 2-1, be designed to embed the corresponding angular of section 1-2 or concavo-convex with the tapping screw head, be used for factory with the embedding section 1-2 bag pressure of tapping screw head in the inner, make it (exposing self tapping screw mandrel 1-1) in aggregates described expansion arc 2-3 and be provided with 2 expansion point 17, each expansion point is provided with several intumescent sheets 4; The intumescent sheet 4-1 opening direction of described expansion arc middle part expansion point 17-1 is opposite with tail end intumescent sheet 4-2 opening direction, be the arc design, when its outside expansion produces expansive force, produce the power to tapping screw head direction, make furniture board paste tightr more firm and solidly; Be provided with the taper tup 7 corresponding with expansion point quantity, position on the described built-in movable push bar 3; Described movable push bar tip designs has T shape gib head 8, has a dome pad 9 on it, make a call to a removal hole 15(aperture less than or equal to patchhole as long as add at plate patchhole 14 bottom vertical corresponding positions, this hole is because the aperture is less and do not use at ordinary times, so available trim 10 covers), link namely possesses detachable function, when needs dismounting plate, removable trim 10, go out dome minipad 9 on the T-shape head 8 with little hook 11 hooks of special use, abdicate certain space, use special-purpose Y shape instrument 12 to prize T shape gib head 8 by removal hole 15, movable push bar 3 pines are moved back and dismantle plate;
Be divided into Three regions in described expansion sleeve 2 pipes: the one, tapping screw head 1 is fixed a district, the embedding section 1-2 of tapping screw head be embedded into fixing in the inner; The 2nd, the breathing space, all intumescent sheet 4 inwalls all protrude to die in the breathing space, movable push bar taper tup 7 extrusion expansion sheets 4 inner bulge timesharing in pipe, intumescent sheet is opened the generation expansive force outward; The 3rd, movable push bar 3 positioning areas, the middle part is provided with spacer ferrule sheet 6 hoops at movable push bar front end tup 7-1 in pipe, makes it keep relatively fixing when not doing work; The assembling of described link and use: factory is pressed in the embedding section 1-2 embedding of tapping screw head 1 the positioning end 2-1 inwall (self tapping screw mandrel section 1-1 exposes) of expansion sleeve 2, movable push bar 3 is squeezed into by expansion sleeve 2 tail end expansion point 17-2 ports, entering it to front end tup 7-1 is decided to be in the district, push rod afterbody tup 7-2 and top T shape 8 is exposed at outside the pipe, put dome minipad 9, finish the link general assembly, the link integral body that always installs screwed be fixed on plate H and draw on the hole 13, the plate D patchhole 14 that needs to connect is aimed at it and is inserted in exert pressure (or knocking) and namely finishes plate and connect.
Embodiment 2: plate need not be done the connection of 90o right angle under the dismounting situation
Present embodiment is to beat self tapping screw mandrel 1-1 on vertical furniture-plates H surface first to draw hole 13, plug hand-hole 14 at horizontal furniture-plates D side, the link integral body that always installs screwed to be fixed on draw on the hole 13, plate D side patchhole 14 is aimed at the link insertion and is exerted pressure, dome pad 9 on the built-in movable push bar T-shape head 8 of patchhole 14 bottom squeeze links, make movable push bar 3 to expansion sleeve 2 interior motions, pause is hampered when plate patchhole 14 ports move to error correction convex line 5 on the sleeve pipe positioning end 2-1, can carry out plates assembled error correction inspection this moment, errorlessly then continue reinforcing exert pressure (can knock), until plate fully on earth, transverse plate D and vertical plate H are till the 90o close contact.During this time, movable push bar taper tup (termination 7-1, afterbody 7-2) inside contracting along with push rod, corresponding intumescent sheet (middle part 4-1, tail end 4-2) on the extrusion expansion sleeve pipe gradually successively, make its outward generation expansive force and gradually banding hole wall, because intumescent sheet adopts arc to projecting inward design, it is opened outside produce the power identical with the application of force direction when producing expansive force, it is tightr to allow plate connect, and need not to be the connection of 90o right angle in the dismounting situation thereby finish furniture board.
Embodiment 3: the detachable 90o of plate right angle connects
As different from Example 2: add at horizontal corresponding side patchhole 14 bottom positions in furniture-plates D surface and to make a call to a removal hole 15, the aperture is equal to or slightly less than patchhole 14, can realize that the detachable 90o of furniture board right angle connects, after furniture board assembled, removal hole 15 can cover with trim 10.When needing the dismounting plate, take off trim 10, with hook special 11 dome pad 9 hooks on the link movable push bar T shape 8 are gone out, abdicate certain space, insert in the removal holes 15 with Y shape special tool 12, prize T shape 8 pine and move back, finish plate and dismantle.
Embodiment 4: need not be 180 ° of straight lines connections under the dismounting situation
As different from Example 2: beat base holes 13 on furniture lower plate part Y top, can realize that furniture board need not be 180 ° of straight lines connections under the dismounting situation.
Embodiment 5: detachable 180 ° of straight lines connect
As different from Example 2: beat base holes 13 on furniture lower plate part Y top, can realize that the detachable 180 ° of straight lines of furniture board connect
Embodiment 6: detachable with need not the dismounting situation under, plate is made cross and is connected
From embodiment 2,3 different be: get through hole (to perforation) 16 on vertical plate H surface, because self tapping screw mandrel (1-1) design length of tapping screw head 1 is less than half of the conventional thickness of slab of furniture, therefore, link is fixed on the two ends of vertical plate H through hole (to perforation) 16, can realizes that furniture board does the cross connection in the situation need not dismantling and be connected.
Claims (8)
1. a self-tapping multifunctional furniture rapid assemble connecting piece is characterized in that, is comprised of tapping screw head, expansion sleeve and built-in movable push bar; Described tapping screw head is divided into self tapping screw mandrel section and embeds section, self tapping screw mandrel section is exposed outside the expansion sleeve, embedding section is embedded into or is screwed in expansion sleeve termination positioning section inwall, described expansion sleeve is divided into the smaller expansion arc of termination positioning section, the section of screwing and diameter, described expansion arc is provided with 2 to 5 expansion point, wherein the expansion arc tail end has an expansion point, there is 1-4 expansion point at the expansion arc middle part, each expansion point is provided with several intumescent sheets, and described built-in movable push bar is provided with the taper tup corresponding with expansion point quantity, position.
2. self-tapping multifunctional furniture rapid assemble connecting piece according to claim 1, it is characterized in that, the intumescent sheet opening direction of 1-4 the expansion point at described expansion arc middle part is opposite with tail end intumescent sheet opening direction, be the arc design, when its outside expansion produces expansive force, produce the power to tapping screw head direction.
3. self-tapping multifunctional furniture rapid assemble connecting piece according to claim 1, it is characterized in that, be divided into Three regions in the described expansion sleeve pipe: the one, the tapping screw head embeds the section fixed area, the 2nd, the breathing space, the intumescent sheet inwall of all expansion point is all projecting inward to die, when built-in movable push bar taper tup extrusion expansion sheet convex in the pipe partly the time, intumescent sheet is opened the generation expansive force outward; The 3rd, built-in movable push bar positioning area is provided with elasticity spacer ferrule sheet and wales built-in movable push bar front end tup in pipe, make it keep relatively fixing when not doing work.
4. self-tapping multifunctional furniture rapid assemble connecting piece according to claim 1 is characterized in that, the termination positioning section diameter of described expansion sleeve is identical with plate patchhole diameter, and its surface is provided with convex line, is used for the assembling error correction and strengthens drive fit.
5. self-tapping multifunctional furniture rapid assemble connecting piece according to claim 1, it is characterized in that, the embedding section end face of described tapping screw head is angular or concavo-convex, be embedded in expansion sleeve termination positioning section inwall, the inner tube wall of described expansion sleeve termination positioning section is designed to embed the corresponding angular of section, concavo-convex with the tapping screw head.
6. self-tapping multifunctional furniture rapid assemble connecting piece according to claim 1, it is characterized in that, the embedding section of described tapping screw head is lead screw, be screwed in expansion sleeve termination positioning section inwall, the inner tube wall of described expansion sleeve termination positioning section is provided with the embedding section of tapping screw head is screwed the screw thread that makes it in the inner in aggregates.
7. self-tapping multifunctional furniture rapid assemble connecting piece according to claim 1 is characterized in that, the exterior edge face of the section of screwing of described expansion sleeve is designed to cydariform, hexagon, octagon or quincunx.
8. self-tapping multifunctional furniture rapid assemble connecting piece according to claim 1 is characterized in that, the top of described built-in movable push bar is T-shaped, is used for the dome rubber cushion of dismounting plate with a fritter on the top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110421980 CN102384135B (en) | 2011-12-16 | 2011-12-16 | Self-tapping multifunctional furniture rapid assemble connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110421980 CN102384135B (en) | 2011-12-16 | 2011-12-16 | Self-tapping multifunctional furniture rapid assemble connecting piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102384135A CN102384135A (en) | 2012-03-21 |
| CN102384135B true CN102384135B (en) | 2013-04-17 |
Family
ID=45823846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110421980 Expired - Fee Related CN102384135B (en) | 2011-12-16 | 2011-12-16 | Self-tapping multifunctional furniture rapid assemble connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102384135B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015202593A1 (en) | 2015-02-12 | 2016-08-18 | Lamello Ag | Dowel element, fastening device, method for producing a dowel element and method for mounting a fastening device |
| CN105257637B (en) * | 2015-11-18 | 2017-07-28 | 苏州润居装饰工程有限公司 | A kind of ancient architecture engraving decorative pattern is fixedly connected with mechanism |
| CN106604595A (en) * | 2016-11-23 | 2017-04-26 | 江苏天正电气有限公司 | Electrical box electrical component fixing mechanism |
| CN111184349A (en) * | 2018-11-15 | 2020-05-22 | 严能进 | Structure of a locker with folded side panels |
| CN111911494B (en) * | 2020-09-08 | 2024-12-20 | 杨征宇 | A hidden disassembly and assembly system for furniture cabinets |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4869632A (en) * | 1988-03-02 | 1989-09-26 | United Technologies Corporation | Bolted connection for a turbine disk |
| GB2347185A (en) * | 1999-02-04 | 2000-08-30 | Glynwed Engineered Products Li | Blind fastener |
| CN201155509Y (en) * | 2008-02-04 | 2008-11-26 | 沈阳贝格尔实业有限公司 | Dilation type panel-type furniture connecting component |
| CN101929499A (en) * | 2009-06-18 | 2010-12-29 | 宋翔 | Castellated head bolt |
| CN202468575U (en) * | 2011-12-16 | 2012-10-03 | 杨征宇 | Self-tapping multi-functional furniture rapid assembling connection member |
-
2011
- 2011-12-16 CN CN 201110421980 patent/CN102384135B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4869632A (en) * | 1988-03-02 | 1989-09-26 | United Technologies Corporation | Bolted connection for a turbine disk |
| GB2347185A (en) * | 1999-02-04 | 2000-08-30 | Glynwed Engineered Products Li | Blind fastener |
| CN201155509Y (en) * | 2008-02-04 | 2008-11-26 | 沈阳贝格尔实业有限公司 | Dilation type panel-type furniture connecting component |
| CN101929499A (en) * | 2009-06-18 | 2010-12-29 | 宋翔 | Castellated head bolt |
| CN202468575U (en) * | 2011-12-16 | 2012-10-03 | 杨征宇 | Self-tapping multi-functional furniture rapid assembling connection member |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102384135A (en) | 2012-03-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102493987B (en) | Multifunctional connecting piece for quickly assembling furniture | |
| CN102384135B (en) | Self-tapping multifunctional furniture rapid assemble connecting piece | |
| CN104878758B (en) | Hale connection plug connector | |
| CN202381478U (en) | Multifunctional rapid-assembly connector for furniture | |
| CN202468575U (en) | Self-tapping multi-functional furniture rapid assembling connection member | |
| CN101368430A (en) | Reinforced bar jointing sleeve | |
| CN206175418U (en) | Coupling assembling for sheet metal component | |
| CN206754079U (en) | Not rounded pipe connections | |
| CN205781847U (en) | A kind of Novel photographic equipment support bar | |
| CN201045363Y (en) | Pipe connecting sturcture | |
| CN200998751Y (en) | Hand held corrugated pipe boring mould | |
| CN202484468U (en) | Thin-wall metal tubing coupling | |
| CN211975595U (en) | Hidden connecting piece of plate furniture | |
| CN215109929U (en) | Bundle and tighten fastening system for round bamboo poles | |
| CN201368283Y (en) | Hose joint structure | |
| CN210414379U (en) | Mounting tool for plastic fasteners of motorcycles | |
| CN209282807U (en) | A kind of novel cable connector | |
| CN202484470U (en) | Thin-walled metal pipe fitting connecting component | |
| CN101852236A (en) | Detachable expansion nail | |
| CN101593875A (en) | A kind of terminal device and use the terminal method of this device | |
| CN201554265U (en) | Expandable knob head | |
| CN205118447U (en) | Pipeline pipe strap | |
| CN205840168U (en) | A kind of downpipe pipe clamp | |
| CN201082528Y (en) | Fixture tool for main oilway sebific duct screw nail fixing | |
| CN109748411B (en) | PTFE aeration pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20131216 |