CN209975728U - Wood structure steel tenon connecting piece - Google Patents
Wood structure steel tenon connecting piece Download PDFInfo
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- CN209975728U CN209975728U CN201920651421.9U CN201920651421U CN209975728U CN 209975728 U CN209975728 U CN 209975728U CN 201920651421 U CN201920651421 U CN 201920651421U CN 209975728 U CN209975728 U CN 209975728U
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- expansion nut
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- sleeve
- rear end
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 39
- 239000010959 steel Substances 0.000 title claims abstract description 39
- 239000002023 wood Substances 0.000 title description 32
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model provides a timber structure steel tenon connecting piece relates to timber structure building technical field, including a bolt, a adapter sleeve and an expansion nut, set up through-hole and intercommunication in the adapter sleeve's first end and second end, expansion nut's front end inboard is provided with the screw thread, and the rear end sets up to hollow, expansion nut's rear end is cut into even a plurality of equal portions, the bolt passes in proper order adapter sleeve's through-hole expansion nut's rear end, with expansion nut's front end screwed connection. The utility model overcomes some shortcomings of current timber structure connected mode provide a timber structure steel tenon connecting piece firm more, durable, inseparable, convenient and fast, and can repeat the dismouting, be fit for assembled timber structure building.
Description
Technical Field
The utility model relates to a timber structure building technical field, in particular to timber structure steel tenon connecting piece.
Background
The timber structure building is a building with bearing members made of timber, the bearing members are made of timber or mainly made of timber, and the bearing members are connected and fixed in a mortise and tenon mode or a metal connecting piece. Traditional timber structure adopts mortise-tenon joint usually to fix, and its way is with the junction chisel hole and the tenon of post or roof beam, accomplishes the connection in the tight fit insertion hole of tenon, and the main shortcoming of this structure is: the local shear strength and the local torsional strength are weaker, the whole material can be only enlarged and thickened in order to achieve the required strength, the material consumption is more, and the occupied space is larger; the processing technology is complex, and special mortise and tenon equipment is needed; the assembly depends on artificial impact force and is not suitable for repeated disassembly and assembly.
However, there are many kinds of rigid connection methods for modern wood structures, such as external nail-tooth plate connection, steel plate connection, hanging buckle connection, steel nail connection, tapping screw connection, and SE method connection in japan, and these connection methods still have some disadvantages: the connecting piece is exposed partially, so that the appearance is influenced; the metal of the connecting piece penetrates through the indoor and outdoor to generate a heat bridge, which has influence on the heat preservation and energy conservation of the building; no transverse tension exists at the butt joint, and gaps or cracks can be generated at the later stage; the production process is complex and the precision requirement is high; can not be repeatedly disassembled and assembled, and is not suitable for the fabricated wood structure building.
SUMMERY OF THE UTILITY MODEL
The utility model provides a timber structure steel tenon connecting piece, its purpose is in order to overcome some shortcomings of current timber structure connected mode, provides a timber structure steel tenon connecting piece firm more, durable, inseparable, convenient and fast, and can repeat the dismouting.
In order to achieve the purpose, the utility model provides a timber structure steel tenon connecting piece, including a bolt, a adapter sleeve and an expansion nut, seted up through-hole and intercommunication in the adapter sleeve's first end and second end, expansion nut's front end inboard is provided with the screw thread, and the rear end sets up to hollow, expansion nut's rear end is cut into even a plurality of equal portions, the bolt passes in proper order adapter sleeve's through-hole expansion nut's rear end, with expansion nut's front end screwed connection.
The first end of the connecting sleeve is also provided with a flanging, and the second end of the connecting sleeve is provided with an outer conical surface.
Preferably, the outer diameter of the flanging of the connecting sleeve is 1.5 times of the outer diameter of the connecting sleeve.
The bolt is further provided with an elastic pad and a flat pad, and the elastic pad and the flat pad are sequentially arranged between the head of the bolt and the flanging of the connecting sleeve.
Wherein, the bolt, the elastic pad and the flat pad are standard parts.
Wherein, the port of the rear end of the expansion nut is provided with an inner conical surface.
Preferably, the expansion nut has an internal taper corresponding to the external taper of the connection sleeve, said taper being 60 °.
Preferably, the rear end face of the expansion nut and the second end face of the connecting sleeve are both provided with a flat opening, and the width of the flat opening is 1 mm.
Preferably, the outer diameter of the front end of the expansion nut is equal to the outer diameter of the connecting sleeve, the outer diameter of the rear end of the expansion nut is 2mm smaller than that of the front end, and the inner diameter of the rear end of the expansion nut is 1-2 mm larger than that of the screw of the bolt.
Preferably, all of the outer surfaces of the bolt, the coupling sleeve and the expansion nut are galvanized.
The above technical scheme of the utility model has following beneficial effect:
when the wood structure steel tenon connecting piece of the utility model is used for connecting wood structures, only a round hole with the same outer diameter as that of the connecting sleeve needs to be drilled at the joint of the wood column and the wood beam, and tenons and holes do not need to be manufactured like the traditional tenon-and-mortise structure, thereby simplifying the processing procedure;
the wood structure steel tenon connecting piece increases the shearing resistance and torsional strength of the connecting part, and simultaneously increases the transverse tension, so that the connecting point is more compact and firmer, is suitable for 90-degree connection, lap joint, oblique joint, dislocation connection and the like of a column beam, does not generate an indoor and outdoor heat bridge, and is heat-insulating and energy-saving;
the wood structure steel tenon connecting piece of the utility model is galvanized on the outer surface of the steel tenon connecting piece to prevent corrosion and rust, thereby improving the reliability and the service life of the steel tenon connecting piece;
the utility model discloses directly insert the beam-ends hole with the steel tenon connecting piece from the post hole, turn round the bolt and make expansion nut open the inner wall that pierces the beam-ends hole, will make expansion nut implant in the wooden roof beam, unscrew the bolt when dismantling can to only need the disect insertion bolt and screw up when connecting next time, repeated dismouting many times is fit for assembled timber structure building.
Drawings
FIG. 1 is an exploded view of the steel tenon joint of the present invention;
FIG. 2 is a structural view of the steel tenon joint of the present invention;
fig. 3-4 are schematic views of the connection between the wooden pillar and the wooden beam of the present invention;
fig. 5 is the schematic diagram of the utility model after the bolt is disassembled between the wooden pillar and the wooden beam.
[ description of reference ]
1-a bolt; 2-connecting a sleeve; 3-expansion nut; 4-a wood column; 5-a wood beam; 6-column pore; 7-beam end holes; 8-flanging; 9-elastic cushion; 10-flat cushion; 11-inner conical surface; 12-an external conical surface; 13-enlarging the countersunk hole.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the embodiment of the utility model provides a timber structure steel tenon connecting piece, including a bolt 1, a connecting sleeve 2 and an expansion nut 3, set up through-hole and intercommunication in the connecting sleeve 2 the first end and the second end of connecting sleeve 2, the front end inboard of expansion nut 3 is provided with the screw thread, and the rear end sets up to hollow, the rear end of expansion nut 3 is cut into a plurality of even equal parts, bolt 1 passes in proper order the through-hole of connecting sleeve 2 the rear end of expansion nut 3, with the front end screwed connection of expansion nut 3.
The above-mentioned embodiment of the utility model discloses a timber structure steel tenon connecting piece for the connection of post 4 and wooden roof beam 5, only need to beat the round hole the same with the 2 external diameters of adapter sleeve at the position that the junction of post and wooden roof beam corresponds, then directly insert roof beam end hole 7 with whole steel tenon connecting piece from post hole 6, wherein expansion nut 3 is located roof beam end hole 7, turn round tight bolt 1 and make expansion nut 3's rear end open the inner wall that pierces roof beam end hole 7, be equivalent to implanting a ordinary nut in wooden roof beam 5 promptly. Since the expansion nut 3 is implanted into the beam end hole 7, the bolt 1 can be easily and repeatedly disassembled to lock or remove the connection between the wood column 4 and the wood beam 5, which is suitable for the fabricated timber structure building.
The utility model discloses a wood structure steel tenon connecting piece still is provided with a turn-ups 8 in adapter sleeve 2's first end, and adapter sleeve 2's turn-ups 8 external diameters preferably set up to 1.5 times of adapter sleeve 2 external diameters to still be provided with an bullet pad 9 and a flat pad 10 on bolt 1, bullet pad 9 and flat pad 10 set gradually in bolt 1's head with between adapter sleeve 2's the turn-ups 8. After the bolt 1 is screwed, the elastic pad 9 which is in direct contact with the head of the bolt 1 can feed back an elastic force to the head of the bolt 1 so as to tightly abut against the head of the bolt 1 and enable the bolt to be difficult to fall off, and the flat pad 10 and the flanging 8 of the connecting sleeve 2 are used for increasing the contact area and preventing the surface of the wood column 4 from being damaged. Wherein the bolt 1, the elastic pad 9 and the flat pad 10 are standard parts, and are convenient to purchase.
Wherein, the port of the rear end of the expansion nut 3 is provided with an inner conical surface 11, the taper of the inner conical surface 11 of the expansion nut 3 is consistent with the taper of the outer conical surface 12 arranged at the second end of the connecting sleeve 2, and the taper is preferably set to be 60 degrees. When the wooden column 4 and the wooden beam 5 are assembled and connected, the outer conical surface 12 of the second end of the connecting sleeve 2 is attached to the inner conical surface 11 of the rear end of the expansion nut 3, the bolt 1 penetrates through the second end of the connecting sleeve 2, the rear end of the expansion nut 3 is in threaded connection with the front end, and when the bolt 1 is gradually screwed down, the outer conical surface 12 of the connecting sleeve 2 moves towards the rear end of the expansion nut 3 under the action of the threaded force and extrudes the inner conical surface 11 of the expansion nut 3 outwards, and the inner conical surface 11 of the expansion nut 3 is cut into equal parts at uniform intervals, so that the inner conical surface 11 of the expansion nut 3 expands outwards under the extrusion of the outer conical surface 12 of the connecting sleeve 2 and penetrates into the inner wall of the beam end hole 7, and the expansion nut 3 is fixed in the beam end hole 7. In practical operation, the outer conical surface 12 of the connecting sleeve 2 is only slightly contacted with the inner conical surface 11 of the expansion nut 3, so that the inner conical surface 11 is slightly opened, and the tight connection effect of the wood column 4 and the wood beam 5 can be achieved.
Preferably, the rear end face of the expansion nut 3 and the second end face of the connection sleeve 2 are both provided with a flat opening, and the width of the flat opening is 1mm, so that the rear end of the expansion nut 3 and the second end face of the connection sleeve 2 are ensured to have certain strength, and the inner conical surface 11 of the expansion nut 3 is facilitated to penetrate into the inner wall of the beam end hole 7.
Preferably, the outer diameter of the front end of the expansion nut 3 is equal to the outer diameter of the connecting sleeve 2, the outer diameter of the rear end of the expansion nut 3 is 2mm smaller than the outer diameter of the front end, and the inner diameter of the rear end of the expansion nut 3 is 1-2 mm larger than the outer diameter of the screw of the bolt 1. Since the maximum outer diameter of the expansion nut 3 is equal to the outer diameter of the connection sleeve 2, it is only necessary to drill holes with the same inner diameter in the wood column 4 and the wood beam 5 to simplify the process. A gap of 1-2 mm is formed between the screw and the inner side of the rear end of the expansion nut 3, and is a space for reserving the end face of the second end of the connecting sleeve 2 to enter and contact with the outer conical surface 12 of the expansion nut 3.
Preferably, all the outer surfaces of the bolt 1, the connecting sleeve 2 and the expansion nut 3 are galvanized to prevent corrosion and rust, so that the reliability and the service life of the steel tenon connecting piece are improved.
The manner in which the timber-structure steel-tongue connector of the present invention is used to connect the timber-column 4 and the timber-beam 5 is further described below by way of specific examples.
The manufacturing process of the steel tenon connecting piece is as follows: firstly, purchasing standard parts of a bolt 1, an elastic cushion 9 and a flat cushion 10 from the market; turning an expansion nut 3 with certain internal and external dimensions by using a 45# steel bar or a thick-wall seamless steel pipe, tapping threads at the front end of the expansion nut, turning an inner conical surface 11 with 60 degrees at the rear end of the expansion nut, and reserving a flat opening with the diameter of about 1mm on the end surface; equally cutting the unthreaded rear end of the expansion nut 3 into eight equal parts; the connecting sleeve 2 is cut off at a fixed length through a seamless steel pipe, one end of the steel pipe is subjected to cold punching and flanging, the diameter of a flange 8 is 1.5 times of the outer diameter of the seamless steel pipe, the other end of the steel pipe is leveled at a fixed length, a 60-degree outer conical surface 12 is turned, and a flat opening with the diameter of about 1mm is reserved on the end surface; galvanizing the whole outer surface for corrosion prevention and rust prevention; the elastic pad 9, the flat pad 10 and the connecting sleeve 2 are sequentially penetrated by the bolt 1, and the expansion nut 3 is twisted to enable the inner conical surface 11 and the outer conical surface 12 to be in mutual contact to be in a slightly-tight state, so that the single steel tenon connecting piece is assembled, as shown in figure 2.
As shown in fig. 3-5, the installation and use of the steel tenon joint are explained as follows (taking the 90 ° right-angle connection of the wood column 4 and the wood beam 5 as an example): firstly, respectively drilling more than two holes with the same outer diameter as the connecting sleeve 2 at the joint of the wood column 4 and the wood beam 5; drilling a corresponding expanded countersunk hole 13 on the outer side of the wood column 4, wherein the aperture of the expanded countersunk hole is 2-3 mm larger than the outer diameter of the flange 8 of the connecting sleeve 2, and the depth of the countersunk hole exceeds the total thickness of the head of the bolt 1, the spring pad 9, the flat pad 10 and the flange 8 of the connecting sleeve 2 by 8-10 mm; aligning and closely attaching the hole sites of the wood columns 4 and the wood beams 5, and inserting the steel tenon connecting piece into the hole (optimally knocking in lightly); the bolts 1 are respectively and uniformly screwed, and the torsion is controlled to be 45-50 Nm, so that the tail end of the expansion nut 3 is opened and penetrated into the beam end hole 7 to achieve the effect of tightly connecting the wood column 4 and the wood beam 5, as shown in fig. 4.
As shown in fig. 5, when disassembling, the wood columns 4 and the wood beams 5 can be disassembled only by loosening the bolts 1. At the moment, the expansion nut 3 is firmly implanted into the inner wall of the beam end hole 7, and only the bolt 1 needs to be inserted and screwed down during next assembly, so that the assembly type wood structure building is convenient to connect.
While the foregoing is directed to the preferred embodiment and specific examples of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the principles of the invention, and that such changes and modifications are intended to be included within the scope of the invention.
Claims (10)
1. The utility model provides a timber structure steel tenon connecting piece, its characterized in that includes a bolt, a connecting sleeve and an expansion nut, seted up the through-hole in the connecting sleeve and communicate connecting sleeve's first end and second end, the front end inboard of expansion nut is provided with the screw thread, and the rear end sets up to hollow, the rear end of expansion nut is cut into even a plurality of equal portions, the bolt passes in proper order connecting sleeve's through-hole the rear end of expansion nut, with the front end screwed connection of expansion nut.
2. The wood-structure steel tenon joint according to claim 1, wherein the first end of the joint sleeve is further provided with a flange, and the second end is provided with an external tapered surface.
3. The wood-frame steel tenon joint according to claim 2, wherein the outside diameter of the flange of the joint sleeve is 1.5 times the outside diameter of the joint sleeve.
4. The wood-structure steel tenon joint member according to claim 3, wherein the bolt is further provided with an elastic pad and a flat pad, and the elastic pad and the flat pad are sequentially arranged between the head of the bolt and the flange of the joint sleeve.
5. The wood-structure steel-tenon joint according to claim 4, wherein the bolt, the spring washer and the flat washer are all standard pieces.
6. The wood-structure steel-tenon joint according to claim 2, wherein the port at the rear end of the expansion nut is provided with an internal taper.
7. The wood-frame steel tenon joint of claim 6 wherein the expansion nut has an internal taper consistent with the external taper of the joint sleeve; wherein the taper is 60 °.
8. The wood-structure steel tenon joint according to claim 7, wherein the rear end face of the expansion nut and the second end face of the connection sleeve are each provided with a flat mouth; wherein the width of the flat opening is 1 mm.
9. The wood-structure steel-tenon joint according to claim 8, wherein the outer diameter of the front end of the expansion nut is equal to the outer diameter of the joint sleeve, the outer diameter of the rear end of the expansion nut is 2mm smaller than the outer diameter of the front end, and the inner diameter of the rear end of the expansion nut is 1-2 mm larger than the outer diameter of the bolt.
10. The wood-structure steel-tenon joint according to any one of claims 1 to 9 wherein all of the outer surfaces of said bolt, said coupling sleeve and said expansion nut are galvanized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920651421.9U CN209975728U (en) | 2019-05-08 | 2019-05-08 | Wood structure steel tenon connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920651421.9U CN209975728U (en) | 2019-05-08 | 2019-05-08 | Wood structure steel tenon connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209975728U true CN209975728U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920651421.9U Active CN209975728U (en) | 2019-05-08 | 2019-05-08 | Wood structure steel tenon connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209975728U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005060A (en) * | 2019-05-08 | 2019-07-12 | 湖南集建创装配式建筑科技有限公司 | Wood structure steel tenon joints |
| CN115095018A (en) * | 2022-07-18 | 2022-09-23 | 漳州城投设计咨询集团有限公司 | Quick detachable tenon fourth of twelve earthly branches formula beam column links structure |
| WO2022207346A1 (en) | 2021-03-29 | 2022-10-06 | Neue Holzbau Ag Lungern | Connecting assembly for connecting two components in the field of construction |
-
2019
- 2019-05-08 CN CN201920651421.9U patent/CN209975728U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005060A (en) * | 2019-05-08 | 2019-07-12 | 湖南集建创装配式建筑科技有限公司 | Wood structure steel tenon joints |
| WO2022207346A1 (en) | 2021-03-29 | 2022-10-06 | Neue Holzbau Ag Lungern | Connecting assembly for connecting two components in the field of construction |
| CN115095018A (en) * | 2022-07-18 | 2022-09-23 | 漳州城投设计咨询集团有限公司 | Quick detachable tenon fourth of twelve earthly branches formula beam column links structure |
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