CN2816450Y - Improved pull-rod-type combined connection preburied element - Google Patents
Improved pull-rod-type combined connection preburied element Download PDFInfo
- Publication number
- CN2816450Y CN2816450Y CN 200520085539 CN200520085539U CN2816450Y CN 2816450 Y CN2816450 Y CN 2816450Y CN 200520085539 CN200520085539 CN 200520085539 CN 200520085539 U CN200520085539 U CN 200520085539U CN 2816450 Y CN2816450 Y CN 2816450Y
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- China
- Prior art keywords
- connecting rod
- hole
- upper connecting
- fuse
- rod
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- Expired - Fee Related
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Abstract
The utility model relates to an improved pull-rod-type combined connecting preburied element, which comprises a cylinder, an inverted conic core with an axial thread hole, a connecting rod composed of an upper and a lower pull rods, a fastening sleeve seat and a fastening element. The fastening sleeve seat is provided with a containing hole and a thread hole vertically communicated with the containing hole. One end of the lower pull rod is provided with a connecting thread which is matched with the thread hole of the inverted conic core and one end of the upper pull rod is provided with a clamping groove which is arranged in the containing hole of the fastening sleeve seat, wherein the other ends of the upper and the lower pull rods are movably hinged and a distance between a hinged fulcrum and the end margin of the upper pull rod near the end is at least larger than a distance between the hinged fulcrum and one side margin of the upper pull rod. The fastening element is matched with the thread hole of the fastening sleeve seat and the front end of the fastening element is clamped into the clamping groove of the upper pull rod. Through the rotation of the upper pull rod, the screw-in and the screw-out of the pull rods can be realized and after the lower pull rod is connected with the core, the upper pull rod is pulled along the hinged fulcrum and simultaneously the inverted conic core is further compelled to make a relative displacement and form a good fastening connection. The utility model has the characteristics of convenient assembly and disassembly, firm connection and repetitive use.
Description
Technical field
The utility model relates to the embedded part that is used for fastening connection, the embedded part that carries out fastening connection during in particular for making furniture.
Background technique
In modern furniture is made, utilize various synthetic plates such as sandwich board, high-density plate to make assembly usually, by coupling assembly is assembled again.Coupling is the most frequently used screw, hinge etc., because the nail-holding ability of synthetic plate is poor, when using screw to carry out fastening connection, be easy to take place sliding tooth, loosening, even come off, it is not high to connect fastness, particularly tighten once more after screw unclamps or gets loose, it is poorer that it connects fastness, influenced furniture make efficiency and quality.
For addressing the above problem, in making, often uses by furniture a kind of embedded part at present, and adopt plastic materials to make, its shape is cylindrical, has the retaining gear ring on the outer circumferential face, and inside has the tapped hole of axial perforation.During use, embedded part is pressed in the mounting hole that preliminary election on the furniture assembly makes, screws on and connect screw rod and be pulled outwardly, the retaining gear ring is stuck on the mounting hole inwall, thereby furniture assembly is linked together.This embedded part can not produce radial dilatation, and retaining gear ring and mounting hole inwall active force are little, and it is not high to connect fastness.
As a kind of improved structure, notification number 2338529 (September 15 1999 day for announcing, application number 98210787, February 23 1998 applying date) utility model patent discloses a kind of connection embedded part, be characterized in the head of existing connection embedded part is cut apart with several cross sections by central axis, head is divided into mass part, and in the endoporus that connects embedded part an expansion ball is installed.During use, connecting rod is screwed into the embedded part endoporus, promotes the expansion ball, make the head expansion that connects embedded part, thereby make the retaining gear ring produce radial dilatation.Adopt the connection embedded part of this structure, improve though it connects fastness, but still have the improved place of many needs.
Summary of the invention
The purpose of this utility model provides a kind of improved pull-rod type combination and connects embedded part, and tool is easy to use, connection is firm.
Improved pull-rod type combination connects embedded part, comprise cylindrical body, cylindrical one section for inflatable portion, it cuts off groove and cuts apart and form by being opened on extending axially on cylindrical body one end face, have the retaining gear ring on the bulge outer circumferential face, it is characterized in that: also comprise turbination fuse, connecting rod, fastening block set and fastening piece; Described turbination fuse has the axial screw thread hole, has in the described cylindrical body from extending axially to cut off the channel opening end turbination hole of the perforation of undergauge gradually, and described turbination fuse is engaged in the described cylindrical turbination hole; Described connecting rod is made of the upper and lower pull bar that is movably hinged, one end of lower link has connecting thread and is engaged in the tapped hole of conical fuse, one end of upper connecting rod has draw-in groove, the other end of upper and lower pull bar is movably hinged, this distance that is movably hinged fulcrum and near-end upper connecting rod ora terminalis at least greater than and upper connecting rod one lateral margin between distance; Described fastening block set have ccontaining connecting rod draw-in groove end receiving hole and with the tapped hole of the vertical perforation of this receiving hole, described fastening piece is engaged in the tapped hole of fastening block set and its front end is fastened in the draw-in groove of upper connecting rod.
For ease of pulling upper connecting rod, described upper connecting rod is provided with rounded corner near the end end edge of hinged support.
During use, on two furniture assemblies to be connected, punch earlier, wherein, offer the mounting hole that does not connect that internal diameter cooperates with embedded part cylindrical body external diameter at an assembly, offer attachment hole and the vertical fastening seat hole that connects that does not connect with attachment hole at another assembly, this attachment hole is used for activity and wears connecting rod, and this fastening seat hole is used to place fastening block set.During connection, earlier with turbination fuse and cylindrical body combination, and put into the mounting hole that furniture assembly is made in advance in the inside mode of inflatable portion, make upper connecting rod and lower link be in approximate vertical and with upper connecting rod be movably hinged the nearer lateral margin of fulcrum towards cylindrical body, rotate then a end that upper connecting rod makes lower link have connecting thread screw in the tapped hole of conical fuse and the lateral margin that makes upper connecting rod near the cylindrical body end face, screw cylindrical body be fixed in the mounting hole.Cocked upper connecting rod makes in its attachment hole that is arranged in another furniture assembly and makes its draw-in groove end be arranged in the receiving hole of fastening block set, since the distance that is movably hinged fulcrum and upper connecting rod ora terminalis greater than and the close upper connecting rod lateral margin of cylindrical body one side between distance, upper connecting rod end face roof pressure cylindrical body in the time of cocked, move on the hinged support, drive lower link conical fuse is forced pull-up one segment distance, impel cylinder inflation portion further to expand outwardly, make cylindrical body firmly be fixed on mounting hole.
Certainly, above-mentioned connecting structure only needs fastening piece and pull bar are screwed out and can remove easily.After lower link screwed out, fuse and cylindrical body returned to original matching relationship, and bulge inwardly shrinks, and whole embedded part can take out easily.Its advantage is to connect fastness height, good reliability, convenient disassembly, need not special tool and equipment.Lower link can repeatedly screw in, screw out, can not produce any influence to fuse and cylindrical wedging structure, and, through repeatedly becoming flexible as if occurring after the dismounting, fastening piece need only be screwed out, pull down upper connecting rod, rotate upper connecting rod and screw lower link, pull upper connecting rod again and fix, two assemblies firmly can be connected, dismounting is very convenient, is particularly suitable for using in modern sectional furniture.This connection embedded part utilizes lever principle, can easily lower link be screwed in, screw out conical fuse by rotating upper connecting rod, and is simple to operate, laborsaving.
Description of drawings
Fig. 1 is a cylindrical plan view of the present utility model.
Fig. 2 is that sectional view is looked on the left side of Fig. 1.
Fig. 3 is the worm's eye view of Fig. 1.
Fig. 4 is the plan view of Fig. 1.
Fig. 5 is the plan view of fuse of the present utility model.
Fig. 6 is that sectional view is looked on the left side of Fig. 5.
Fig. 7 is the worm's eye view of Fig. 5.
Fig. 8 is the plan view of Fig. 5.
Fig. 9 is the structure sectional view of fastening block set of the present utility model.
Figure 10 is the structure sectional view of tightening nut of the present utility model.
Figure 11 is the structure sectional view of connecting rod of the present utility model.
Figure 12 is that sectional view is looked on the left side of connecting rod of the present utility model.
Figure 13 is a user mode schematic representation of the present utility model.
Embodiment
With reference to Figure 13, the combination of improved pull-rod type connects embedded part, comprises first assemblying body of being made up of cylindrical body 1 and fuse 2, second assemblying body of being made up of fastening block set 5 and tightening nut 6, and the connecting rod that connects first, second assemblying body, this connecting rod comprises lower link 41 and upper connecting rod 42.All parts all adopt plastic materials to make.The plastic materials of making cylindrical body 1 and fuse 2 should have suitable elasticity and hardness.
Referring to figs. 1 through Fig. 4, cylindrical body 1 has base portion 11, and the hypomere of base portion 11 is an inflatable portion 12.The outer circumferential face of base portion 11 forms coarse or has the surface structure of corner angle, skids in mounting hole to prevent cylindrical body 1.Inflatable portion 12 is cut off groove 121 and is divided into two lobes or many lobes by being opened on extending axially of cylindrical body end face, has taper retaining gear ring 13 on bulge 12 outer circumferential faces.The endoporus 14 that has perforation in the cylindrical body, endoporus 14 bottoms are for cutting off the channel opening end turbination of undergauge gradually from extending axially, and its top is cylindrical.
With reference to Fig. 5 to Fig. 8, fuse 2 is turbination, has the projection of extending axially 21 on its outer circumferential face, its inside has axial screw thread hole 22.
Assemble first assemblying body by fuse and cylindrical body, its structure is: turbination fuse 2 is engaged in the cylindrical turbination hole 14, and the projection 21 that extends axially of fuse is matched with cylindrical extending axially and cuts off in the groove 121.
With reference to Figure 11,12, connecting rod is made of lower link 41 and upper connecting rod 42, the lower end of lower link 41 is cylinder type and periphery has connecting thread, the sheet joint of upper end for dwindling, the upper end end of upper connecting rod 42 has draw-in groove 421, the lower end has the mounting groove of ccontaining pull bar upper end joint, draw-in groove 421 is a cone tank, the sheet joint of lower link 41 upper ends is located in the mounting groove of upper connecting rod 42 lower ends, and both are movably hinged by round pin 43, this round pin 43 vertically passes upper connecting rod sheet joint center, and the distance h of round pin 43 and near-end upper connecting rod ora terminalis greater than and the upper connecting rod lateral margin between distance h ', upper connecting rod 42 can rotate around round pin 43; Fastening piece 6 is engaged in the tapped hole 52 of fastening block set 5 and its front end is fastened in the draw-in groove 421 of upper connecting rod.The lower end edge of upper connecting rod 42 is provided with rounded corner, is convenient to pull installation.
With reference to Fig. 9, fastening block set 5 have ccontaining upper connecting rod draw-in groove end receiving hole 51 and with the tapped hole 52 of these receiving hole 51 vertical perforations.
With reference to Figure 10, tightening nut 6 has worm structure, and the centre has interior hexagonal counterbore 61, can utilize instrument with its turn.Its front portion has the awl end that is mated, and can apply bigger tightening force to the upper connecting rod draw-in groove by this structure, to increase fastness.
This pull-rod type combination connects the usage mode of embedded part, with reference to Figure 12, punching on two furniture assemblies 31,32 to be connected earlier, wherein offer the mounting hole 311 that internal diameter cooperates with cylindrical body 1 external diameter at assembly 31, the blind hole of this mounting hole for not connecting, assembly 32 offer the attachment hole 321 that do not connect and with the attachment hole 321 vertical fastening seat holes 322 that connect, attachment hole 321 is used for activity and wears upper connecting rod 42, this fastening seat hole 322 is used to place fastening block set.During connection, in the mounting hole 311 that furniture assembly 31 is made in advance, put into first assemblying body of forming by cylindrical body 1 and turbination fuse 2 and make inflatable portion 12 be positioned at the mouth edge that mounting hole 311 inside, base portion 11 are positioned at the hole.Make pull bar and upper connecting rod be in mutual plumbness, and the lateral margin that makes upper connecting rod 42 is pressed close to the cylindrical body end face, screws in the tapped hole of conical fuse 2 and screws cylindrical body 1 is fixed in the mounting hole 311 by rotating a end that upper connecting rod 42 has a connecting thread with lower link 41.Be arranged in the attachment hole 321 of furniture assembly 32 and make its draw-in groove end be arranged in the receiving hole 51 of fastening block set 5 around round pin 43 cocked upper connecting rods 42 then, in the tapped hole 52 of fastening block set 5, screw in tightening nut 6 and its front end is fastened in the draw-in groove 421 of upper connecting rod, thereby two furniture assemblies are fixedly connected.
Screw in tapped hole 22 processes of fuse at above-mentioned lower link 41, screw-in motion by lower link 41, force the turbination fuse to relatively move, tightly wedge cylindrical body turbination hole, fuse 2 produces wedging action with cylindrical body 1, fuse 2 forces 12 expansions of cylinder inflation portion, mounting hole 311 inwalls is applied active force on the one hand, by the 13 chucking furniture assembly mounting holes of the retaining gear ring on bulge 12 outer circumferential faces, 311 inwalls, form good fastening connection.Cylinder inflation portion 12 also exerts pressure to fuse 2 on the other hand, makes fuse 2 firmly hold lower link 41, prevents that lower link 41 from skidding, getting loose.Simultaneously, the draw-in groove 421 of upper connecting rod 42 is subjected to tightening nut 6 position-limiting actions, can not produce loosening, the fastness that more increase to connect.
The connecting structure of above-mentioned formation only needs tightening nut 6 is unclamped, pulls down upper connecting rod 42, can remove easily by rotating upper connecting rod back-out pull bar 41.After lower link 41 screwed out, fuse 2 returned to original matching relationship with cylindrical body 1, and bulge 12 inwardly shrinks, and whole assembly parts can take out easily.
It is to connect fastness height, good reliability, convenient disassembly that this pull-rod type combination connects the embedded part advantage, need not special tool and equipment.And, just can realize screw-in, the back-out of lower link 41 by rotating upper connecting rod 42; Even repeatedly screw in, screw out lower link 42, can not produce any influence to the wedging structure of fuse 2 and cylindrical body 1 yet, be particularly suitable in modern sectional furniture, using.
Claims (2)
1, improved pull-rod type combination connects embedded part, comprise cylindrical body, cylindrical one section for inflatable portion, it cuts off groove and cuts apart and form by being opened on extending axially on cylindrical body one end face, have the retaining gear ring on the bulge outer circumferential face, it is characterized in that: also comprise turbination fuse, connecting rod, fastening block set and fastening piece; Described turbination fuse has the axial screw thread hole, has in the described cylindrical body from extending axially to cut off the channel opening end turbination hole of the perforation of undergauge gradually, and described turbination fuse is engaged in the described cylindrical turbination hole; Described connecting rod is made of the upper and lower pull bar that is movably hinged, one end of lower link has connecting thread and is engaged in the tapped hole of conical fuse, one end of upper connecting rod has draw-in groove, the other end of upper and lower pull bar is movably hinged, this distance that is movably hinged fulcrum and near-end upper connecting rod ora terminalis at least greater than and upper connecting rod one lateral margin between distance; Described fastening block set have ccontaining connecting rod draw-in groove end receiving hole and with the tapped hole of the vertical perforation of this receiving hole, described fastening piece is engaged in the tapped hole of fastening block set and its front end is fastened in the draw-in groove of upper connecting rod.
2, improved pull-rod type combination according to claim 1 connects embedded part, and it is characterized in that: described upper and lower pull bar is movably hinged by round pin, and described upper connecting rod is provided with rounded corner near the end end edge of hinged support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520085539 CN2816450Y (en) | 2005-07-29 | 2005-07-29 | Improved pull-rod-type combined connection preburied element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520085539 CN2816450Y (en) | 2005-07-29 | 2005-07-29 | Improved pull-rod-type combined connection preburied element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2816450Y true CN2816450Y (en) | 2006-09-13 |
Family
ID=36996259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520085539 Expired - Fee Related CN2816450Y (en) | 2005-07-29 | 2005-07-29 | Improved pull-rod-type combined connection preburied element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2816450Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870529A (en) * | 2017-02-27 | 2017-06-20 | 南通丛建绿色建材有限公司 | A kind of furniture connecting component |
| CN108843666A (en) * | 2018-08-01 | 2018-11-20 | 广东百能家居有限公司 | A kind of cabinet slab, which is connected together, uses built-in fitting |
-
2005
- 2005-07-29 CN CN 200520085539 patent/CN2816450Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870529A (en) * | 2017-02-27 | 2017-06-20 | 南通丛建绿色建材有限公司 | A kind of furniture connecting component |
| CN106870529B (en) * | 2017-02-27 | 2019-08-27 | 南通丛建绿色建材有限公司 | A kind of furniture connecting component |
| CN108843666A (en) * | 2018-08-01 | 2018-11-20 | 广东百能家居有限公司 | A kind of cabinet slab, which is connected together, uses built-in fitting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20060913 |