CN2777263Y - Drawing rod type combination jointing preburied part - Google Patents
Drawing rod type combination jointing preburied part Download PDFInfo
- Publication number
- CN2777263Y CN2777263Y CN 200520081302 CN200520081302U CN2777263Y CN 2777263 Y CN2777263 Y CN 2777263Y CN 200520081302 CN200520081302 CN 200520081302 CN 200520081302 U CN200520081302 U CN 200520081302U CN 2777263 Y CN2777263 Y CN 2777263Y
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- China
- Prior art keywords
- hole
- connecting rod
- fuse
- groove
- turbination
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- Expired - Fee Related
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Abstract
The utility model relates to a drawing-rod-type combined connecting preburied element, which comprises a cylinder, wherein one section of the cylinder is provided with an inflatable section which is formed by the division of an axial extending cutting groove, the opening of the axial extending cutting groove is arranged on one end surface of the cylinder and the periphery surface of the inflatable section is provided with a stopping tooth ring. The utility model is characterized in that the drawing-rod-type combined connecting preburied element also comprises an inverted conic core, a connecting rod, a fastening sleeve seat and a fastening element, wherein the inverted conic core is provided with an axial thread hole; a through inverted conic hole is arranged in the cylinder and the diameter of the through inverted conic hole is gradually reduced from the open end of an axial extending cutting groove; the inverted conic core is matched with and arranged in the inverted conic hole of the cylinder; one end of the connecting rod is provided with a connecting thread which is matched with and arranged in the thread hole of the inverted conic core and the other end is provided with a clamping groove; the fastening sleeve seat is provided with a containing hole for containing the end of the clamping groove and a thread hole vertically through the containing hole; the fastening element is matched with and arranged in the thread hole of the fastening sleeve seat and the front end of the fastening element is clamped into the clamping groove of the connecting rod. The utility model has the characteristics of high connecting firmness 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 structure uniqueness, connects firm pull-rod type combination connection embedded part.
The pull-rod type combination that the utility model provides 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; One end of described connecting rod have connecting thread and be engaged in the tapped hole of conical fuse, the other end has draw-in groove; 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 connecting rod.
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, an end that then connecting rod is had a connecting thread screws in the tapped hole of conical fuse and screws cylindrical body is fixed in the mounting hole.Make connecting rod be arranged in the attachment hole of another furniture assembly and make its draw-in groove end be arranged in the receiving hole of fastening block set, in the tapped hole of fastening block set, screw in fastening piece and its front end is fastened in the draw-in groove of connecting rod, thereby two furniture assemblies are fixedly connected.
Screw in the tapped hole process of embedded part fuse at above-mentioned connecting rod, screw-in motion by connecting rod, force the turbination fuse to relatively move, tightly wedge cylindrical body turbination hole, cylinder inflation portion is expanded outwardly, and, form good fastening connection by the chucking of the retaining gear ring on its outer circumferential face furniture assembly mounting hole inwall.The draw-in groove end of connecting rod is subjected to the fastening piece position-limiting action, can not produce loosening, the fastness that more increase to connect.
Its action principle is as follows: along with the screw-in of connecting rod, fuse and cylindrical body produce wedging action, and fuse forces the expansion of cylinder inflation portion on the one hand, increases the active force that it applies the mounting hole inwall, thereby embedded part and mounting hole inwall frictional force are increased; Cylinder inflation portion also exerts pressure to fuse on the other hand, and fuse is increased the grip force of connecting rod, firmly fixes connecting rod, prevents that connecting rod from skidding, getting loose.
Certainly, above-mentioned connecting structure only needs fastening piece and connecting rod are screwed out and can remove easily.After connecting rod 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.And connecting rod can repeatedly screw in, screw out, and can not produce any influence to fuse and cylindrical wedging structure, is particularly suitable for using in modern sectional furniture.
The combination of pull-rod type that the utility model provides connects embedded part, and another feature is: have the projection of extending axially and this on the described fuse outer circumferential face and extend axially projection and be matched with described cylindrical extending axially and cut off in the groove.
Described fuse is matched with described cylindrical extending axially and cuts off in the groove by extending axially projection, when the connecting rod turn, guarantees that fuse wedges cylindrical body turbination hole vertically smoothly, can avoid the connecting rod turn that fuse is produced and skid.
The pull-rod type combination that the utility model provides connects embedded part, and another feature is: the draw-in groove of described connecting rod is a cone tank, and described fastening piece front portion has the awl end that is mated.By this structure, described fastening piece can apply bigger tightening force to described connecting rod when screwing in, and increases fastness.
Description of drawings
Fig. 1 is the cylindrical plan view that the pull-rod type combination connects embedded part.
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 that the pull-rod type combination connects the fuse of embedded part.
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 that the pull-rod type combination connects the fastening block set of embedded part.
Figure 10 is the structure sectional view that the pull-rod type combination connects the tightening nut of embedded part.
Figure 11 is the structure sectional view that the pull-rod type combination connects the connecting rod of embedded part.
Figure 12 is the user mode schematic representation that the pull-rod type combination connects embedded part.
Embodiment
With reference to Figure 12, pull-rod type combination 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 4 that connects first, second assemblying body.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 epimere 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 tops are for cutting off the channel opening end turbination of undergauge gradually from extending axially, and its underpart 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, an end of connecting rod 4 has connecting thread 41, the other end has draw-in groove 42.This draw-in groove 42 is a cone tank.
With reference to Fig. 9, fastening block set 5 have ccontaining 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 connecting rod 4 draw-in grooves 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 connecting rod 4, 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 assembly parts 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.An end that then connecting rod 4 is had a connecting thread screws in the tapped hole of conical fuse 2 and screws cylindrical body 1 is fixed in the mounting hole 311.Make connecting rod be arranged in the attachment hole of furniture assembly 32 and make its draw-in groove end be arranged in the receiving hole 51 of fastening block set 5, 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 42 of connecting rod 4, thereby two furniture assemblies are fixedly connected.
Screw in tapped hole 22 processes of fuse at above-mentioned connecting rod 4, screw-in motion by connecting rod, 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 connecting rod 4, prevents that connecting rod 4 from skidding, getting loose.Simultaneously, the draw-in groove 42 of connecting rod 4 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 need be unclamped tightening nut 6, connecting rod 4 screws out and can remove easily.After connecting rod 4 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 connecting rod 4 can repeatedly screw in, screw out, and can not produce any influence to the wedging structure of fuse 2 and cylindrical body 1, is particularly suitable for using in modern sectional furniture.
Claims (3)
1, the 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; One end of described connecting rod have connecting thread and be engaged in the tapped hole of conical fuse, the other end has draw-in groove; 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 connecting rod.
2, pull-rod type according to claim 1 combination connects embedded part, it is characterized in that: have the projection of extending axially and this on the described fuse outer circumferential face and extend axially projection and be matched with described cylindrical extending axially and cut off in the groove.
3, pull-rod type combination according to claim 1 connects embedded part, and it is characterized in that: the draw-in groove of described connecting rod is a cone tank, and described fastening piece front portion has the awl end that is mated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520081302 CN2777263Y (en) | 2005-01-21 | 2005-01-21 | Drawing rod type combination jointing preburied part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520081302 CN2777263Y (en) | 2005-01-21 | 2005-01-21 | Drawing rod type combination jointing preburied part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2777263Y true CN2777263Y (en) | 2006-05-03 |
Family
ID=36744648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520081302 Expired - Fee Related CN2777263Y (en) | 2005-01-21 | 2005-01-21 | Drawing rod type combination jointing preburied part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2777263Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011776A (en) * | 2010-11-17 | 2011-04-13 | 曹蕾 | Improved cone pushing type furniture connecting assembly |
-
2005
- 2005-01-21 CN CN 200520081302 patent/CN2777263Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011776A (en) * | 2010-11-17 | 2011-04-13 | 曹蕾 | Improved cone pushing type furniture connecting assembly |
| CN102011776B (en) * | 2010-11-17 | 2012-03-28 | 曹蕾 | Improved cone pushing type furniture connecting assembly |
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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: 20060503 Termination date: 20100221 |