CN102384135A - Self-tapping multifunctional furniture rapid assemble connecting piece - Google Patents
Self-tapping multifunctional furniture rapid assemble connecting piece Download PDFInfo
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- CN102384135A CN102384135A CN2011104219809A CN201110421980A CN102384135A CN 102384135 A CN102384135 A CN 102384135A CN 2011104219809 A CN2011104219809 A CN 2011104219809A CN 201110421980 A CN201110421980 A CN 201110421980A CN 102384135 A CN102384135 A CN 102384135A
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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-taped type multi-functional furniture and assemble link fast.
Background technique
Existing furniture construction link is generally two-in-one, the three-in-one type of direct tension of 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; Like the most frequently used three-in-one (rubber base, screw rod, eccentric lock nut) dismounting part, 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 bigger that plate exposes the eccentric nut hole, not attractive in appearance; (5) user cost is higher.
Summary of the invention
The objective of the invention is to overcome above shortcoming, provide a kind of self-taped type multi-functional furniture to assemble link fast.To realize that the collection location is an one with fastening function; Quick, the firm assembled furniture of ability, processing is simple, efficient is high, cost is low; Furniture construction back natural beauty does not well have the hole of exposing or exposes the hole very little; 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 made up of tapping screw head, expansion sleeve and built-in movable push bar; Said 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; The embedding section is embedded into or is screwed in expansion sleeve termination positioning section inwall, and said expansion sleeve is divided into the smaller expansion arc of termination positioning section, the section of screwing and diameter, and said 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, and each expansion point is provided with several intumescent sheets, and said built-in movable push bar is provided with and expansion point quantity, the corresponding taper tup in position.
The intumescent sheet opening direction of 1-4 the expansion point at said 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 power, make furniture board paste more closely more firm and solidly to tapping screw head direction.
Be divided into three zones in the said 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 in movable push bar taper tup extrusion expansion sheet convex when part in pipe, 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, make it when not doing work, keep relative fixed.
The termination positioning section diameter of said expansion sleeve is identical with plate patchhole diameter, and its surface is provided with convex line, is used to assemble error correction and strengthens drive fit.
The embedding section end face of said tapping screw head is an angular or concavo-convex, is embedded in expansion sleeve termination positioning section inwall. the inner tube wall of said expansion sleeve termination positioning section is designed to embed section corresponding angular, concavo-convex with the tapping screw head.
The embedding section of said tapping screw head is a lead screw, is screwed in expansion sleeve termination positioning section inwall, and the inner tube wall of said expansion sleeve termination positioning section is provided with the embedding section of tapping screw head is screwed the screw thread that in it, makes it in aggregates.
Said movable push bar tip designs has T shape gib head, with a dome minipad, makes a call to a removal hole as long as add at plate patchhole bottom vertical corresponding position on it; Link promptly possesses detachable function, when needs dismounting plate, and removable trim; Go out dome minipad on the T shape head with special-purpose little hook hook; Abdicate certain space, prize T shape gib head through removal hole, the movable push bar pine is moved back and dismantle plate with special-purpose Y type instrument.
The exterior edge face of the section of screwing of said expansion sleeve is designed to cydariform or hexagon, octagon, quincunx or other geometrical shapies.
Said exterior edge face is designed to the section of screwing of cydariform, and two corresponding planes of its surface are used to use flat mouth spanner that link is screwed in plate and draw the hole.
The exterior edge face of the said section of screwing is designed to hexagon, octagon or quincunx, is used to use 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; To its positioning area of front end tup entering; Push rod top T shape head is exposed at outside the pipe, puts the dome minipad, accomplishes 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 promptly accomplish plate and connect; Said tapping screw head and built-in movable push bar adopt metal or have the other materials making of certain degree of hardness, intensity, and said 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: the collection location is one (can omit the dowel location) with fastening function, can be used for 90 ° of right angles of furniture board and connects, and also can be used for 180 ° of straight lines and connects, and can also be used for cross and connect; Can removably connect, also can do non-dismounting and connect; (2) assembling fast: the furniture board packaging efficiency is higher, link is screwed into plate draws the hole, and another its insertion of plate aligning is exerted pressure and can be accomplished the plate connection.(3) to be that self tapping is screwed fastening because of the one of which end, and an end is for expanding fastening and have locating function, thus plate connect lock more firmly, 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 the back natural beauty, do not have and to expose 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 dismounting part commonly used is made, user cost 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 for plate need not be done 90 ° of right angles connections under the dismounting situation, 180 ° of straight lines connect and cross connection schematic representation;
Fig. 6 is that 90 ° of right angles connections of do under the detachable situation of plate, 180 ° of straight lines connect and cross connection schematic representation;
Fig. 7 is a plate unloading process schematic representation.
Embodiment
Embodiment 1: the self-taped type multi-functional furniture is assembled the link structure fast
Arrive Fig. 7 referring to Fig. 1:
The self-taped type multi-functional furniture is assembled link fast and is made up of tapping screw head 1, expansion sleeve 2 and built-in movable push bar 3 three parts.
Said 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 to screw in plate and draws hole 13, embeds section 1-2 and is embedded into the positioning section 2-1 inwall in the expansion sleeve termination, is pressed into one by factory with 1 and 2; Said expansion sleeve 2 all inserts plate when using and inserts in empty 14; It is divided into the smaller cylindrical expansion arc 2-3 of termination positioning section 2-1, the section of screwing 2-2 and diameter; Said termination positioning section 2-1 diameter is identical with plate patchhole 14 diameters, is used for the drive fit location, and its surface is provided with convex line 5; Be used to assemble error correction (plate moves the power that so far is hampered and pauses, and can check whether adorn mistake) and strengthen drive fit; The exterior edge face of the said section of screwing 2-2 is designed to hexagon, octagon or quincunx, is used to use 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 said expansion sleeve 2 termination positioning section 2-1; Be designed to embed the section corresponding angular of 1-2 or concavo-convex with the tapping screw head; Being used for factory is pressed on the embedding section 1-2 of tapping screw head bag in it; Make it (exposing self tapping screw mandrel 1-1) in aggregates said 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 said 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 power, make furniture board paste more closely more firm and solidly to tapping screw head direction; Said built-in movable push bar 3 is provided with and expansion point quantity, the corresponding taper tup 7 in position; Said movable push bar tip designs has T shape gib head 8, with a dome pad 9, makes a call to a removal hole 15 (aperture is smaller or equal to patchhole as long as add at plate patchhole 14 bottom vertical corresponding positions on it; This hole is because the aperture is less and do not use at ordinary times, so available trim 10 covers), link promptly possesses detachable function; When needs dismounting plate; Removable trim 10 goes out dome minipad 9 on the T-shape head 8 with special-purpose little hook 11 hooks, abdicates certain space; Use special-purpose Y shape instrument 12 to prize T shape gib head 8, movable push bar 3 pines are moved back and dismantle plate through removal hole 15;
Be divided into three zones in said expansion sleeve 2 pipes: the one, tapping screw head 1 a fixing district, the embedding section 1-2 of tapping screw head is embedded into and is fixed in it; 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 when not doing work, keep relative fixed; The assembling of said 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; Getting into 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, puts dome minipad 9, accomplishes 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 promptly accomplishes 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 earlier 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 links and is inserted also and exert pressure the dome pad 9 on the built-in movable push bar T-shape head 8 of patchhole 14 bottom squeeze links; Movable push bar 3 is moved in expansion sleeve 2; The pause that when plate patchhole 14 ports move to the error correction convex line 5 on the sleeve pipe positioning end 2-1, is hampered can be carried out plate assembling error correction inspection this moment, errorlessly then continues reinforcing exert pressure (can knock); Until plate fully on earth, till transverse plate D and vertical plate H are 90o and closely contact.During this time; Movable push bar taper tup (termination 7-1, afterbody 7-2) is along with contracting in the push rod, and corresponding intumescent sheet (middle part 4-1, tail end 4-2) on the extrusion expansion sleeve pipe gradually successively makes its outer opening produce expansive force and banding hole wall gradually; 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 let plate connect, and need not to be the connection of 90o right angle under the dismounting situation thereby accomplish furniture board.
Embodiment 3: the detachable 90o of plate right angle connects
Different with embodiment 2 is: add at horizontal corresponding side patchhole 14 bottom positions in furniture-plates D surface and 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 special-purpose hook 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, the completion plate is dismantled.
Embodiment 4: need not be 180 ° of straight lines connections under the dismounting situation
Different with embodiment 2 is: beat base holes 13 on furniture lower plate part Y top, can realize that furniture board be 180 ° of straight lines under need not the dismounting situation and connect.
Embodiment 5: detachable 180 ° of straight lines connect
Different with embodiment 2 is: 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
Different with embodiment 2,3 is: 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 half the less than 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 need not dismantle and detachably be connected as cross under the situation.
Claims (8)
1. a self-taped type multi-functional furniture is assembled link fast, it is characterized in that, is made up of tapping screw head, expansion sleeve and built-in movable push bar; Said 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; The embedding section is embedded into or is screwed in expansion sleeve termination positioning section inwall, and said expansion sleeve is divided into the smaller expansion arc of termination positioning section, the section of screwing and diameter, and said 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, and each expansion point is provided with several intumescent sheets, and said built-in movable push bar is provided with and expansion point quantity, the corresponding taper tup in position.
2. self-taped type multi-functional furniture according to claim 1 is assembled link fast; It is characterized in that; The intumescent sheet opening direction of 1-4 the expansion point at said 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 power to tapping screw head direction.
3. self-taped type multi-functional furniture according to claim 1 is assembled link fast; It is characterized in that; Be divided into three zones in the said expansion sleeve pipe: the one, the tapping screw head embeds the section fixed area, and the 2nd, the breathing space, the intumescent sheet inwall of all expansion point is all projecting inward to die; In movable push bar taper tup extrusion expansion sheet convex when part in pipe, 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, make it when not doing work, keep relative fixed.
4. self-taped type multi-functional furniture according to claim 1 is assembled link fast, it is characterized in that, the termination positioning section diameter of said expansion sleeve is identical with plate patchhole diameter, and its surface is provided with convex line, is used to assemble error correction and strengthens drive fit.
5. self-taped type multi-functional furniture according to claim 1 is assembled link fast; It is characterized in that; The embedding section end face of said tapping screw head is an angular or concavo-convex; Being embedded in expansion sleeve termination positioning section inwall. the inner tube wall of said expansion sleeve termination positioning section is designed to embed section corresponding angular, concavo-convex with the tapping screw head.
6. self-taped type multi-functional furniture according to claim 1 is assembled link fast; It is characterized in that; The embedding section of said tapping screw head is a lead screw; Be screwed in expansion sleeve termination positioning section inwall, the inner tube wall of said expansion sleeve termination positioning section is provided with the embedding section of tapping screw head is screwed the screw thread that in it, makes it in aggregates.
7. self-taped type multi-functional furniture according to claim 1 is assembled link fast, it is characterized in that, the exterior edge face of the section of screwing of said expansion sleeve is designed to cydariform or hexagon, octagon, quincunx or other geometrical shapies.
8. self-taped type multi-functional furniture according to claim 1 is assembled link fast, it is characterized in that, the top of said movable push bar is the T type, on the top, has the dome rubber cushion that a fritter is used to dismantle plate.
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 true CN102384135A (en) | 2012-03-21 |
| CN102384135B CN102384135B (en) | 2013-04-17 |
Family
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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 |
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| CN (1) | CN102384135B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257637A (en) * | 2015-11-18 | 2016-01-20 | 苏州润居装饰工程有限公司 | Fixing and connecting mechanism for carved ornamentations of ancient architecture |
| CN106604595A (en) * | 2016-11-23 | 2017-04-26 | 江苏天正电气有限公司 | Electrical box electrical component fixing mechanism |
| US10385897B2 (en) | 2015-02-12 | 2019-08-20 | Lamello Ag | Dowel element, fastening device, method for producing a dowel element, and method for installing a fastening device |
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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10385897B2 (en) | 2015-02-12 | 2019-08-20 | Lamello Ag | Dowel element, fastening device, method for producing a dowel element, and method for installing a fastening device |
| CN105257637A (en) * | 2015-11-18 | 2016-01-20 | 苏州润居装饰工程有限公司 | Fixing and connecting mechanism for carved ornamentations of ancient architecture |
| CN106604595A (en) * | 2016-11-23 | 2017-04-26 | 江苏天正电气有限公司 | Electrical box electrical component fixing mechanism |
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| Publication number | Publication date |
|---|---|
| CN102384135B (en) | 2013-04-17 |
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Granted publication date: 20130417 Termination date: 20131216 |