Beam-column connection node structure of wood structure building
By designing a multiple fixed connection structure of rebound device and baffle at the node connection of wooden structure buildings, the fracture problem caused by wood aging in the prior art is solved, and the stability and safety of the building structure are improved.
Patent Information
- Application Number
- CN202421842105.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-07-31
AI Technical Summary
The node connection method of existing wooden structure buildings poses safety risks. As the wood ages, the fixing method of pins is likely to cause breakage, affecting the stability and safety of the building structure.
A beam-column connection node structure of wooden structure building is designed. Through the cooperation of the rebound device and the baffle, multiple fixed connections between the beams and the support columns are realized, which enhances the stability and safety of the connection. Specific measures include using a rebound device to pre-clutch the baffle, achieving a first connection through the tenon and the tongue and groove, and then achieving a second connection through the limit pin and the pin hole, and finally fixing the baffle position through the U-shaped insertion rod and the slot to ensure that the limit pin does not break away from the pin hole.
Through multiple fixed connections, the connection stability of the beam and support column is significantly improved, the grip force is insufficient after aging and deformation is reduced, and the safety and reliability of the building structure is enhanced.
Smart Images
Figure CN223003527U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of wooden structure buildings, and particularly relates to a beam-column connection node structure of a wooden structure building. Background Art
[0002] In the current construction field, wooden structure buildings are favored because of their unique natural beauty and excellent environmental protection performance. However, in the prior art, there are still certain potential safety hazards in the node connection methods of wooden structure buildings. Specifically, at present, most of the nodes of wooden structure buildings adopt a fixing method with pins. Although this fixing method can achieve the connection between woods, its disadvantages gradually appear as the wood ages.
[0003] As the wood naturally ages, the physical properties of the wood will gradually decline. At this time, the fixing method only using pins is prone to fracture. When a fracture occurs at the node of a wooden structure building, it will not only affect the stability of the entire building structure, thereby reducing the safety factor of the entire building structure, but also in severe cases, the fractured wood or pins may fall off, causing injury to the personnel located below the building crossbeam, posing a great threat to the safety of the personnel. Summary of the Utility Model
[0004] The utility model provides a beam-column connection node structure of a wooden structure building that improves the connection stability between a crossbeam and a support column to solve the deficiencies of the prior art.
[0005] To achieve the above object, the utility model first proposes a beam-column connection node structure of a wooden structure building, which includes two crossbeams and a connection block fixed on the top of a support column. The two crossbeams are connected to the support column through the connection block. Two baffle plates are connected to two opposite sides of the connection block through a springback device. The connection block is a connection side on the other two opposite sides, and a tenon head is fixed thereon. The springback device makes a pre-clamping force formed between the two baffle plates. The two sides of the two baffle plates respectively extend out from the two connection sides of the connection block, and the distance between the extending sides of the two baffle plates matches the size of the crossbeam. Limit pins are fixed on the opposite surfaces of the extending sides of the two baffle plates. A pin hole adapted to the limit pin is formed on the crossbeam. A tenon groove adapted to the tenon head is formed on the end side of the crossbeam facing the connection block. A plurality of matching slots are formed on the same side of the two baffle plates, and the plurality of slots are uniformly arranged along the length direction of the baffle plates. A U-shaped insertion rod is inserted into the two slots, and the relative positions of the two baffle plates are locked through the U-shaped insertion rod.
[0006] In this embodiment, the resilience device includes a first spring, a connecting rod, and a channel formed in the connecting block. A connecting rod matching the channel is fixed on the baffle. The connecting rod is arranged perpendicular to the baffle and is movably inserted into the channel. A first spring is sleeved outside the connecting rod. One end of the first spring is fixed to the baffle, and the other end is fixedly connected to the bottom of the channel. The first spring is provided with a pre-tension force. In the initial state, a pre-tension force is applied to the baffle through the setting of the first spring, and the two baffles are in a clamped state.
[0007] In this embodiment, a positioning groove communicating with the slot is formed on the outer side surface of one of the baffles. The positioning groove is arranged perpendicular to the slot. An elastic locking tongue is installed in the positioning groove. A clamping groove matching the elastic locking tongue is formed on the U-shaped inserting rod. After the U-shaped inserting rod is inserted into the slot, the U-shaped inserting rod is locked in the slot by the elastic locking tongue.
[0008] In this embodiment, a linkage mechanism for controlling the linkage opening and closing of all the elastic locking tongues on the baffle is further included. The elastic locking tongue includes a clamping rod matching the size of the positioning groove. The clamping rod is slidably installed in the positioning groove. A sliding groove is formed on the side wall of the positioning groove along the moving direction of the clamping rod. A sliding block is fixed on the clamping rod, and the sliding block is slidably installed in the sliding groove. A second spring is further installed between the sliding block and the bottom of the sliding groove in the sliding groove. One end of the second spring is fixed to the sliding block, and the other end is fixed to the bottom of the sliding groove. In the initial state, under the action of the second spring, the top end of the clamping rod extends out of the baffle, and the bottom end contracts into the positioning groove. After all the U-shaped inserting rods are inserted into the slots of the baffle, the clamping rod is pushed by the linkage mechanism, so that the bottom end of the clamping rod is inserted into the clamping groove of the U-shaped inserting rod in the positioning groove.
[0009] In this embodiment, the linkage mechanism includes a sliding plate. The sliding plate is slidably installed on the baffle and moves along the length direction of the baffle. The sliding plate realizes the conversion of the clamping rod between the locked state and the opened state by moving forward and backward along the baffle. The bottom surface of the sliding plate is slidably connected to the outer side surface of the baffle. An extrusion groove matching the clamping rod is formed on the bottom surface of the sliding plate at the position of each positioning groove. A first guiding inclined surface is arranged on the side wall of the extrusion groove facing the forward moving side of the sliding plate. A second guiding inclined surface matching the first guiding inclined surface is arranged on the top surface of the clamping rod. In the initial state, the top end of the clamping rod extends out of the baffle and is placed in the extrusion groove, and the second guiding inclined surface is attached to the first guiding inclined surface. In the locked state, the sliding plate is moved forward, and the sliding plate drives the first guiding inclined surface to move. Under the cooperation of the first guiding inclined surface and the second guiding inclined surface, the first guiding inclined surface drives the clamping rod to move downward, so that the bottom end of the clamping rod is inserted into the positioning groove.
[0010] In this embodiment, one end of the baffle is further provided with a long sliding groove arranged along the moving direction of the slide plate, and a fixed block is fixed at the end of the slide plate, and the fixed block is slidably installed in the sliding groove. An adjusting bolt is threadedly connected on the side wall of the sliding groove, one end of the adjusting bolt extends into the sliding groove and is rotatably assembled with the fixed block, and the other end extends from the side of the baffle and is fixed with a handle for convenient rotation of the adjusting bolt.
[0011] Due to the adoption of the above structure, the utility model has the following advantages:
[0012] 1. This device can realize multiple fixed connections between the crossbeam and the support column, thereby improving the stability of the connection between the crossbeam and the support column, and reducing the occurrence of insufficient holding force after the connection side of the crossbeam is aged and deformed. Specifically: the first connection between the crossbeam and the support column is realized by the mortise and tenon on the crossbeams on both sides and the tenon on the connecting block, and then the two baffles clamp the connection side of the crossbeam through the cooperation of the baffle and the rebound device. At the same time, the limit pin on the baffle is inserted into the pin hole of the crossbeam to realize the second connection between the crossbeam and the support column. Finally, the relative position of the two baffles after clamping is fixed by a U-shaped insert rod. On the one hand, it ensures that the limit pin will not be separated from the pin hole. On the other hand, it makes the clamping force of the two baffles stable, which reduces the occurrence of insufficient holding force after the connection side of the beam is aged and deformed.
[0013] 2. By setting up components such as channels, connecting rods, springs and positioning grooves, the pre-tension and clamping state of the baffle are achieved, ensuring the stability and reliability of the structure. The design of the elastic locking tongue and the U-shaped plug rod ensures the fixation of the plug rod in the slot, prevents the plug rod from accidentally falling out, and enhances safety. The design of the linkage mechanism allows all elastic locking tongues to be opened and closed at the same time, improving operational efficiency and simplifying the locking process. Through the cooperation of the first guide bevel and the second guide bevel, the precise movement and locking of the card rod are achieved, ensuring the accuracy and convenience of the operation. The design of the sliding groove and the adjusting bolt allows the position of the slide plate to be flexibly adjusted, and it can be stably positioned after adjustment, increasing the adaptability of the device.
[0014] In summary, the device has an ingenious structural design, which improves the stability of the connection between the beam and the support column and reduces the occurrence of insufficient holding force after aging and deformation of the connecting side of the beam. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the exploded structure of the beam and the connecting block of the utility model;
[0016] Figure 2 This is a schematic diagram of the cross-section structure of the beam of the utility model;
[0017] Figure 3 for Figure 2 Schematic diagram of the structure at point A in the middle.
[0018] In the figure: 1, crossbeam; 2, connecting block; 3, baffle; 4, connecting block; 5, pin hole; 6, tenon; 7, mortise; 8, slot; 9, U-shaped insertion rod; 10, positioning groove; 11, clamping rod; 111, slider; 112, second spring; 12, sliding groove; 13, sliding plate; 14, extrusion groove;; 15, adjusting bolt; 16, fixing block; 18, channel; 19, connecting rod; 20, first spring. Detailed implementation manners
[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0020] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present invention.
[0021] Please refer to Figures 1-3A beam-column connection node structure of a wooden structure building comprises two cross beams 1 and a connection block 2 fixed on the top of a support column. The two cross beams 1 are connected to the support column through the connection block 2. Two baffles 3 are connected on two opposite sides of the connection block 2 through a rebound device. The other two opposite sides of the connection block 2 are connection sides, on which tenons 6 are fixed. The rebound device forms a pre-clamping force between the two baffles 3. The two sides of the two baffles 3 extend from the two connection sides of the connection block 2 respectively, and the two baffles 3 extend from the sides of the two baffles 3. The spacing between them matches the size of the crossbeam 1, and limiting pins 4 are fixed on the opposite surfaces of the protruding sides of the two baffles 3. A pin hole 5 matched with the limiting pin 4 is opened on the crossbeam 1, and a tenon groove 7 matched with the tenon 6 is opened on the end side facing the connecting block 2 of the crossbeam 1. A plurality of matching slots 8 are opened on the same side of the two baffles 3, and the plurality of slots 8 are evenly arranged along the length direction of the baffles 3. U-shaped rods 9 are inserted in the two slots 8, and the relative positions of the two baffles 3 are locked by the U-shaped rods 9. When assembling, first pull the baffle plate 3 to overcome the elasticity of the rebound device away from the connecting block 2, then align the tenon groove 7 on the cross beams on both sides with the tenon 6 on the connecting block 2, and insert the cross beam 1 into the tenon groove 7 of the connecting block 2 through the tenon 6 to realize the first connection between the cross beam 1 and the support column, and then release the baffle plate 3, and the baffle plate 3 returns to its original position under the action of the rebound device, and the two baffle plates 3 clamp the connecting side of the cross beam 1. At the same time, the limit pin 4 on the baffle plate 3 is inserted into the pin hole 5 of the cross beam 1 to realize the second connection between the cross beam 1 and the support column. Finally, insert the U-shaped rod 9 into the slots 8 of the two baffle plates 3, so that the two baffle plates 3 further clamp the connecting side of the cross beam 1. On the one hand, the relative positions of the two baffle plates 3 are fixed to ensure that the limit pin 4 will not disengage from the pin hole 5. On the other hand, the two baffle plates 3 clamp the connecting side of the cross beam 1, which reduces the occurrence of insufficient holding force after the connecting side of the cross beam 1 is aging and deformed.
[0022] Further, such as Figure 3 As shown, the rebound device includes a groove 18 opened on the connecting block, and a connecting rod 19 matching the groove 18 is fixed on the baffle 3. The connecting rod 19 is arranged vertically to the baffle 3, and the connecting rod 19 is movably inserted in the groove 18. A first spring 20 is sleeved on the outer side of the connecting rod 19, one end of the first spring 20 is fixed to the baffle 3, and the other end is fixedly connected to the bottom of the groove 18. The first spring 20 is provided with a pre-tension. In the initial state, a pre-tension is given to the baffle 3 through the setting of the first spring 20, and the two baffles 3 are in a clamped state.
[0023] like Figure 3As shown in the figure, a positioning groove 10 communicating with the slot 8 is formed on the outer side surface of one of the baffles 3. The positioning groove 10 is arranged perpendicular to the slot 8. An elastic locking tongue is installed in the positioning groove 10. A clamping groove matching the elastic locking tongue is formed on the U-shaped insertion rod 9. After the U-shaped insertion rod 9 is inserted into the slot 8, the U-shaped insertion rod 9 is locked in the slot 8 by the elastic locking tongue, thereby preventing the U-shaped insertion rod 9 from falling out of the slot 8.
[0024] It further includes a linkage mechanism for controlling the linkage opening and closing of all the elastic locking tongues on the baffle 3. The elastic locking tongue includes a clamping rod 11 matching the size of the positioning groove 10. The clamping rod 11 is slidably installed in the positioning groove 10. A sliding groove is formed on the side wall of the positioning groove 10 along the moving direction of the clamping rod 11. A sliding block 111 is fixed on the clamping rod 11. The sliding block 111 is slidably installed in the sliding groove. A second spring 112 is further installed between the sliding block 111 and the bottom of the sliding groove in the sliding groove. One end of the second spring 112 is fixed to the sliding block 111, and the other end is fixed to the bottom of the sliding groove. In the initial state, under the action of the second spring 112, the top end of the clamping rod 11 extends out of the baffle 3, and the bottom end contracts in the positioning groove 10. After all the U-shaped insertion rods 9 are inserted into the slots 8 of the baffle 3, the clamping rod 11 is pushed by the linkage mechanism. The clamping rod 11 overcomes the elastic force of the second spring 112, and the bottom end is inserted into the positioning groove 10 and into the clamping groove of the U-shaped insertion rod 9. Thus, by pushing once, all the U-shaped insertion rods 9 are locked, improving the locking efficiency.
[0025] The linkage mechanism includes a sliding plate 13. The sliding plate 13 is slidably installed on the baffle 3. The sliding plate 13 moves along the length direction of the baffle 3. The sliding plate 13 realizes the conversion of the clamping rod 11 between the locked state and the opened state by moving forward and backward along the baffle 3. The bottom surface of the sliding plate 13 is slidably connected to the outer side surface of the baffle 3. An extrusion groove 14 matching the clamping rod 11 is formed on the bottom surface of the sliding plate 13 at the position of each positioning groove 10. A first guiding inclined surface is arranged on the side wall of the extrusion groove 14 facing the forward movement side of the sliding plate 13. A second guiding inclined surface matching the first guiding inclined surface is arranged on the top surface of the clamping rod 11. The opened state is the initial state. At this time, the top end of the clamping rod 11 extends out of the baffle 3 and is placed in the extrusion groove 14, and the second guiding inclined surface is in contact with the first guiding inclined surface. In the locked state, the sliding plate 13 is moved forward. The sliding plate 13 drives the first guiding inclined surface to move. Under the cooperation of the first guiding inclined surface and the second guiding inclined surface, the first guiding inclined surface drives the clamping rod 11 to move downward until the top surface of the clamping rod 11 contacts the bottom surface of the sliding plate 13, so that the bottom end of the clamping rod 11 is inserted into the positioning groove 10, and the position of the clamping rod 11 is locked by the sliding plate 13.
[0026] One end of the baffle 3 is also provided with a long strip-shaped sliding groove 12 arranged along the moving direction of the sliding plate 13. A fixing block 16 is fixed at the end of the sliding plate 13. The fixing block 16 is slidably installed in the sliding groove 12. An adjusting bolt 15 is threadedly connected to the side wall of the sliding groove 12. One end of the adjusting bolt 15 extends into the sliding groove 12 and is rotatably assembled with the fixing block 16, and the other end extends out from the side surface of the baffle 3 and is fixed with a handle for conveniently rotating the adjusting bolt 15. By rotating the adjusting bolt 15, the movement and positioning of the sliding plate 13 after movement are realized, making the position adjustment of the sliding plate 13 more stable.
[0027] Working principle: When it is necessary to combine two cross beams 1, first align the mortise groove 7 with the tenon 6, then insert the cross beam 1 into the space formed by the two baffles 3. Then, a person pulls the two baffles 3 to stretch the first spring 20 connected to the baffles 3. Then, place the cross beam 1 between the two baffles 3. At the same time, the tenon 6 will be inserted into the mortise groove 7. Then, the person releases the baffles 3. Under the action of the first spring 20, the limit pin 4 connected to the lower part of the baffle 3 slides into the pin hole 5 of the cross beam 1, so as to achieve the fixation of the cross beam 1 in the longitudinal direction. Then, the installer inserts the two ends of the U-shaped insertion rod 9 into the insertion slots 8 respectively. Then, the person rotates the adjusting bolt 15, so that the adjusting bolt 15 pushes the fixing block 16 to drive the sliding plate 13 to slide. The extrusion groove 14 opened under the sliding plate 13 will extrude the clamping rod 11, and the extrusion method is the cooperation of inclined surfaces. Then, the clamping rod 11 extrudes the second spring and slides into the clamping groove opened in the U-shaped insertion rod 9, so as to achieve the fixation of the position of the U-shaped insertion rod 9.
[0028] The above is only the preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structural transformation made under the concept of the present invention by using the content of the specification and drawings of the present invention, or directly / indirectly applied to other related technical fields, is included in the patent protection scope of the present invention.
Claims
1. A beam-column connection node structure of a wooden structure building, comprising two cross beams and a connection block fixed on the top of a support column, wherein the two cross beams are connected to the support column through the connection block, and characterized in that: The connecting block is connected to two baffles on two opposite sides through a rebound device, and the connecting block is connected on the other two opposite sides as connecting sides with tenons fixed thereon. The rebound device forms a pre-clamping force between the two baffles, and the two sides of the two baffles extend from the two connecting sides of the connecting block respectively, and the spacing between the extended sides of the two baffles matches the size of the crossbeam. Limiting pins are fixed on the opposite surfaces of the extended sides of the two baffles, and the crossbeam is provided with a pin hole matched with the limiting pin, and the crossbeam is provided with a tenon groove matched with the tenon on the end side facing the connecting block. A plurality of matching slots are provided on the same side of the two baffles, and the plurality of slots are evenly arranged along the length direction of the baffles. U-shaped rods are inserted in the two slots, and the relative positions of the two baffles are locked by the U-shaped rods.
2. A beam-column connection node structure for a wooden structure building according to claim 1, characterized in that: The rebound device includes a first spring, a connecting rod and a groove opened on the connecting block. A connecting rod matching the groove is fixed on the baffle. The connecting rod and the baffle are arranged vertically. The connecting rod is movably inserted in the groove. A first spring is mounted on the outer side of the connecting rod. One end of the first spring is fixed to the baffle, and the other end is fixedly connected to the bottom of the groove. The first spring is provided with a pre-tension. In the initial state, a pre-tension is given to the baffle through the setting of the first spring, and the two baffles are in a clamped state.
3. A beam-column connection node structure for a wooden structure building according to claim 1 or 2, characterized in that: A positioning groove connected to the slot is provided on the outer surface of one of the baffles. The positioning groove is arranged perpendicular to the slot. An elastic locking tongue is installed in the positioning groove. A card slot matching the elastic locking tongue is provided on the U-shaped plug rod. When the U-shaped plug rod is inserted into the slot, the U-shaped plug rod is locked in the slot by the elastic locking tongue.
4. A beam-column connection node structure for a wooden structure building according to claim 3, characterized in that: The invention also includes a linkage mechanism for controlling the linkage opening and closing of all elastic locking tongues on the baffle plate, wherein the elastic locking tongue includes a card rod that matches the size of the positioning groove, the card rod is slidably installed in the positioning groove, a sliding groove is provided on the side wall of the positioning groove along the moving direction of the card rod, a sliding block is fixed on the card rod, the sliding block is slidably installed in the sliding groove, and a second spring is also installed in the sliding groove between the sliding block and the bottom of the sliding groove, one end of the second spring is fixed to the sliding block, and the other end is fixed to the bottom of the sliding groove; in the initial state, under the action of the second spring, the top end of the card rod extends out of the baffle plate, and the bottom end shrinks in the positioning groove; when all the U-shaped plug rods are inserted into the slots of the baffle plate, the card rod is pushed by the linkage mechanism so that the bottom end of the card rod is inserted into the card groove of the U-shaped plug rod in the positioning groove.
5. A beam-column connection node structure for a wooden structure building according to claim 4, characterized in that: The linkage mechanism includes a slide plate, which is slidably mounted on the baffle plate and moves along the length direction of the baffle plate. The slide plate realizes the conversion of the card rod between a locked state and an open state by moving forward and backward along the baffle plate. The bottom surface of the slide plate is slidably connected to the outer side surface of the baffle plate. An extrusion groove matching the card rod is provided on the bottom surface of the slide plate at the position of each positioning groove. A first guide inclined surface is provided in the extrusion groove and on the side wall facing the positive movement of the slide plate. A second guide inclined surface matching the first guide inclined surface is provided on the top surface of the card rod. In the initial state, the top end of the card rod extends out of the baffle plate and is placed in the extrusion groove, and the second guide inclined surface is in contact with the first guide inclined surface. In the locked state, the slide plate is moved forward, and the slide plate drives the first guide inclined surface to move. Under the cooperation of the first guide inclined surface and the second guide inclined surface, the first guide inclined surface drives the card rod to move downward, so that the bottom end of the card rod is inserted into the positioning groove.
6. A beam-column connection node structure for a wooden structure building according to claim 5, characterized in that: One end of the baffle is also provided with a long sliding groove arranged along the moving direction of the slide plate. A fixed block is fixed at the end of the slide plate, and the fixed block is slidably installed in the sliding groove. An adjusting bolt is threadedly connected on the side wall of the sliding groove. One end of the adjusting bolt extends into the sliding groove and is rotatably assembled with the fixed block, and the other end extends from the side of the baffle and is fixed with a handle for convenient rotation of the adjusting bolt.