CN217175226U - Mortise and tenon type hub-shaped node with spatial structure - Google Patents
Mortise and tenon type hub-shaped node with spatial structure Download PDFInfo
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- CN217175226U CN217175226U CN202220956748.9U CN202220956748U CN217175226U CN 217175226 U CN217175226 U CN 217175226U CN 202220956748 U CN202220956748 U CN 202220956748U CN 217175226 U CN217175226 U CN 217175226U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model relates to a building structure technical field discloses a spatial structure mortise type hub shape node, including the node body, the node body comprises the hub body, tenon, member, end cover plate and connecting bolt, hub body internal portion is fixed sets up four hub body flutings that run through whole hub body length direction, the tip fixedly connected with tenon of member, tenon end fixing is provided with tenon joint neck, the shape of tenon joint neck tip and the hub body fluting shape phase-match of seting up on the hub body to connect with this hub body fluting inside, the node structure component part at hub body both ends comprises end cover plate and connecting bolt. The utility model discloses in, this node has broken through the range that the hub node was only used in the individual layer reticulated shell in the past, and it can be used in arbitrary space structure, especially better realization node application effect in the class spatial structure of member angular distribution law, the result of use is better.
Description
Technical Field
The utility model relates to a building structure technical field especially relates to a spatial structure mortise type hub shape node.
Background
The ancient Chinese building is mainly made of wood and bricks, mainly adopts a wood frame structure as a main structural mode, and is formed by constructing main components such as upright posts, cross beams and purlins, wherein nodes among the components are matched by mortise and tenon joints to form an elastic frame, and modern mortise and tenon joints are more applied to aluminum structures and are mainly applied to single-layer aluminum alloy grid structures to replace plate-type annular groove rivet nodes in aluminum alloy grids, and the latest national standard and partial local standard of the aluminum alloy structures already bring 'embedded hub nodes' into node structures of common aluminum alloy structures. However, the application scene of the existing hub node is single, and the hub node is only applied to a single-layer latticed shell, namely, the connected rod pieces are basically located in the same plane, and the application range is limited.
Accordingly, one skilled in the art has provided a mortise and tenon type hub node having a spatial structure to solve the above-mentioned problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the space structure mortise type hub shape node that proposes, this node has broken through the range that the hub node only used in the individual layer net shell in the past, and it can be used in arbitrary space structure, and especially the realization node application effect that can be better among the class spatial structure of member angular distribution law, the result of use is better.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a mortise-tenon type hub-shaped node with a spatial structure comprises a node body, wherein the node body consists of a hub body, tenons, rod pieces, end cover plates and connecting bolts, four hub body slots penetrating the length direction of the whole hub body are fixedly arranged in the hub body, the end part of the rod piece is fixedly connected with a tenon, the end part of the tenon is fixedly provided with a tenon connecting neck, the shape of the end part of the tenon connecting neck is matched with the shape of the hub body open slot arranged on the hub body, and is connected with the inside of the slot of the hub body, the node structure forming parts at the two ends of the hub body are composed of end cover plates and connecting bolts, the middle part in the end cover plate is fixedly provided with a cover plate groove, the connecting bolt penetrates through the inner part of the end cover plate and is fixedly connected with the end part of the hub body, bolt holes are formed in the center positions of the two end parts of the hub body, and the end parts of the connecting bolts are in threaded fit connection with the inner parts of the bolt holes;
through the technical scheme, the shape of the hub body groove is circular, the neck part is contracted from the circular side to the edge of the hub body, chamfers are arranged at the corner positions inside the hub body groove, the hub body groove can be assembled better, the phenomenon of connection abrasion is avoided, the depth and the diameter of the bolt hole are matched with the size of the end of the connecting bolt, and the bolt hole does not penetrate through the hub body like a common hub node, so that the strength of the hub body can be effectively enhanced, and the end cover plate is convenient to install.
Furthermore, the hub body is octagonal in shape, the hub body slot formed in the hub body is circular, and the end of each hub body can be connected with eight rod pieces at most, namely the upper part and the lower part of the hub body are connected with four rod pieces;
through the technical scheme, the node can be simultaneously connected with at most 8 rod pieces in different directions to serve as a node in a space structure, so that the connection stability of the node is higher.
Furthermore, the tenon is fixedly arranged at the end part of the rod piece, and the tenon and the rod piece are connected in a welding mode;
through above-mentioned technical scheme, adopt the welding form to be connected between tenon and the member, can make joint strength higher, increase the fault tolerance of node design.
Further, the shape of the end of the tenon is consistent with the shape of the slot of the hub body in the hub body, namely the end of the tenon is arranged to be circular;
through the technical scheme, the tenon is inserted into the hub body from one side of the hub body along the inner hub body groove of the hub body, the tenon can rotate in the outer direction of the rod piece plane in the hub body after being inserted into the hub body, and the maximum allowable rotation angle of the tenon in the hub body is larger than the maximum actual rotation angle of the rod piece in structural design, so that the fault tolerance of node design is further improved, and the situation that the machining precision and the installation precision are not enough is prevented.
Furthermore, a gap of 1mm is reserved between each edge of the tenon and the interior of the hub body;
through the technical scheme, the 1mm gap is used for eliminating installation errors and machining errors, and meanwhile, the tenon has enough out-of-plane rotation performance in the hub body 9100.
Furthermore, the end part of the rod piece adopts a box-shaped section or a circular tube section;
through the technical scheme, the rod piece is preferably of the variable-section box-shaped section, and is convenient to mount, connect and use.
Furthermore, the shape of the end cover plate is the same as that of the end part of the hub body, the end cover plate and the connecting bolt are arranged at two ends of the hub body, and the connecting bolt fixedly connects the end cover plate and the hub body;
through above-mentioned technical scheme, connecting bolt is used for restricting the vertical slip of tenon in the internal portion of hub, and the shape of end cover board keeps the same with hub body tip shape, can effectually protect hub body tip.
Furthermore, the connecting bolt is a countersunk bolt, and a check washer is fixedly arranged between the connecting bolt and a cover plate groove on the end cover plate;
through above-mentioned technical scheme, connecting bolt adopts the countersunk head form, makes the outward appearance of node more pleasing to the eye, and locking gasket effectively prevents the lax problem of connecting bolt in the use.
Furthermore, the nodes on the hub body and the nodes on the tenons are both made of high-strength steel;
through above-mentioned technical scheme, high strength steel can adopt processing forms such as wire-electrode cutting, satisfies the machining precision requirement of node, and high strength steel has higher joint strength, when guaranteeing node strength, can effectively reduce the node size.
The utility model discloses following beneficial effect has:
1. the utility model provides a pair of spatial structure mortise type hub shape node, this node have broken through the range that the hub node only used in the individual layer latticed shell in the past, and it can be used in arbitrary spatial structure, and the realization node application effect that can be better among the class spatial structure of especially member angular distribution law, the result of use is better.
2. The utility model provides a pair of spatial structure mortise type hub shape node, 8 at most members of equidirectional not can be connected simultaneously to this node, and the hub body of this node has sufficient height simultaneously, and the hub body divide into two parts from top to bottom, and 4 members all can be connected to every part, as the node in the spatial structure to the connection stability who makes this node is higher, uses safe and reliable more.
3. The utility model provides a pair of spatial structure mortise type hub shape node, the material of this node adopts high-strength metal material, like high-strength steel to high-strength steel can adopt processing forms such as wire-electrode cutting, satisfies the machining precision requirement of node, and high-strength steel has higher joint strength, when guaranteeing node strength, can effectively reduce the node size.
4. The utility model provides a pair of spatial structure mortise type hub shape node, weak position at the node, the bolt at the neck of tenon node and hub body both ends has all passed through extensive calculation, effectively guarantees the security of node to the node has good rotation performance outside the plane of member, and the connecting bolt at hub body both ends adopts the countersunk head form and has taken locking measure, and the outward appearance is more pleasing to the eye, and whole node all adopts the equipment mode of assembled to connect simultaneously, simple to operate, easily dismantlement, the maintenance of being convenient for.
Drawings
Fig. 1 is an explosion structure diagram of a mortise-tenon type hub node with a spatial structure provided by the utility model;
fig. 2 is a schematic cross-sectional view of a hub body of a mortise-tenon type hub node with a spatial structure according to the present invention;
fig. 3 is a schematic cross-sectional structure view of a mortise-tenon type hub node with a spatial structure provided by the utility model;
fig. 4 is a schematic sectional view of the connection between the tenon and the rod of the mortise type hub node with a spatial structure according to the present invention;
fig. 5 is a schematic cross-sectional view of the hub body, the end cover plate and the connecting bolt of the mortise-tenon type hub node with a spatial structure according to the present invention;
fig. 6 is a cross-sectional view of a mortise-tenon type hub node with a spatial structure provided by the present invention;
fig. 7 is the utility model provides an assembly structure sketch map of spatial structure mortise type hub shape node.
Illustration of the drawings:
100. a hub body; 101. slotting the hub body; 102. bolt holes; 200. a tenon; 201. the tenon is connected with the neck; 300. a rod member; 400. an end cover plate; 401. a cover plate groove; 500. and connecting the bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides an embodiment: a mortise-tenon type hub-shaped node with a spatial structure comprises a node body, wherein the node body consists of a hub body 100, tenons 200, a rod piece 300, an end cover plate 400 and a connecting bolt 500, four hub body slots 101 penetrating through the length direction of the whole hub body 100 are fixedly arranged in the hub body 100, the end part of the rod piece 300 is fixedly connected with the tenons 200, the end part of the tenon 200 is fixedly provided with a tenon connecting neck 201, the shape of the end part of the tenon connecting neck 201 is matched with the shape of the hub body slot 101 arranged on the hub body 100, the connecting structure is connected with the inside of the hub body slot 101, the node structure components at two ends of the hub body 100 consist of an end cover plate 400 and a connecting bolt 500, a cover plate groove 401 is fixedly formed in the middle of the inside of the end cover plate 400, the connecting bolt 500 penetrates through the inside of the end cover plate 400 and is fixedly connected with the end part of the hub body 100, bolt holes 102 are formed in the center positions of two end parts of the hub body 100, and the end part of the connecting bolt 500 is in threaded fit connection with the inside of the bolt hole 102;
the shape of the hub body slot 101 is circular, a neck part is contracted between the side of the circular shape and the edge of the hub body 100, and the corner positions inside the hub body slot 101 are provided with chamfers, so that the assembly can be better carried out, the phenomenon of connection abrasion can not occur, the depth and the diameter of the bolt hole 102 are matched with the size of the end of the connecting bolt 500, the bolt hole 102 does not penetrate through the hub body 100 like a common hub node, the strength of the hub body 100 can be effectively enhanced, and the end cover plate 400 is convenient to mount.
The outer shape of the hub body 100 is octagonal, the hub body slot 101 formed inside the hub body 100 is circular, and the end of each hub body 100 can be connected with eight bars 300 at most, that is, the upper part and the lower part of the hub body 100 are connected with four bars 300, the node can be simultaneously connected with 8 bars 300 in different directions to be used as a node in a space structure, so that the connection stability of the node is higher, the tenon 200 is fixedly arranged at the end of the bar 300, the tenon 200 is connected with the bars 300 in a welding mode, so that the connection strength is higher, the fault tolerance of the node design is increased, the end shape of the tenon 200 is consistent with the shape of the hub body slot 101 inside the hub body 100, that is, the end of the tenon 200 is circular, the tenon 200 is inserted into the hub body 100 from one side of the hub body 100 along the hub body slot 101 inside the hub body 100, after being inserted into the hub body 100, the tenon 200 can rotate in the plane outside the rod 300 in the hub body 100, and the maximum allowable rotation angle of the tenon 200 in the hub body 100 is larger than the maximum actual rotation angle of the rod 300 in the structural design, so as to further increase the fault tolerance of the node design and prevent the situation that the machining precision and the installation precision are not enough.
Each side of the tenon 200 and the inside of the hub body 100 are provided with a 1mm gap for absorbing installation errors and machining errors and simultaneously ensuring that the tenon 200 has enough plane external rotation performance in the hub body 9100, the end part of the rod 300 adopts a box-shaped cross section or a circular tube cross section, the rod 300 adopts a variable cross-section box-shaped cross section as a preferred rod, so that the installation and connection are convenient, the shape of the end cover plate 400 is the same as that of the end part of the hub body 100, the end cover plate 400 and the connecting bolt 500 are both arranged at two ends of the hub body 100, the connecting bolt 500 fixedly connects the end cover plate 400 and the hub body 100, the connecting bolt 500 is used for limiting the vertical sliding of the tenon 200 in the hub body 100, the shape of the end cover plate 400 is the same as that of the hub body 100, so that the end part of the hub body 100 can be effectively protected, the connecting bolt 500 adopts a countersunk head bolt, and a check gasket is fixedly arranged between the connecting bolt 500 and the cover plate groove 401 on the end cover plate 400, connecting bolt 500 adopts the countersunk head form, makes the outward appearance of node more pleasing to the eye, and locking washer effectively prevents the lax problem of connecting bolt 500 in the use, and the node on the hub body 100 and the node on tenon 200 all adopt high-strength steel preparation, and high-strength steel can adopt processing forms such as wire-electrode cutting, satisfies the machining precision requirement of node, and high-strength steel has higher joint strength, when guaranteeing node strength, can effectively reduce the node size.
The hub body open slot 101 and the tenon 200 in the hub body 100 both adopt the electrospark wire-electrode cutting machining process, so that the machining precision of the inside of the hub body open slot 101 and the appearance of the tenon 200 can be greatly improved, the machining error is reduced, the machining precision can be controlled within +/-0.01 mm to +/-0.02 mm, the tenon 200 and the hub body open slot 101 in the hub body 100 both have a neck position, namely the weakest position of the cross section, the neck position needs to meet the bearing capacity calculation of components under the calculation result which is the most unfavorable, and the bolt 500 for connecting the end part of the hub body 100 needs to meet the bearing capacity calculation of all the components in the vertical direction, so that the tenon 200 is prevented from sliding out of the hub body open slot 101 in the hub body 100.
The working principle is as follows: when the spatial structure mortise-tenon type hub-shaped node is used, firstly, each tenon 200 and the rod piece 300 are welded into a whole, each tenon 200 is inserted into the interior along the hub body open groove 101, each node can be connected with eight rod pieces 300 at most, then the end cover plates 400 are buckled at the two ends of the hub body 100, then the end cover plates 400 are fixedly connected with the end parts of the hub body 100 for limiting by using the connecting bolts 500, the weakest position of the node is the neck part position of the tenon 200, detailed calculation needs to be carried out on the position to ensure the stress safety of the node, meanwhile, tensile checking calculation needs to be carried out on the connecting bolts 500, then the mortise-tenon type hub-shaped node is assembled, and the assembled mortise-tenon type hub-shaped node is shown in fig. 7.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (9)
1. The utility model provides a spatial structure mortise type hub shape node, includes the node body, its characterized in that: the node body comprises a hub body (100), tenons (200), a rod piece (300), an end cover plate (400) and connecting bolts (500), wherein four hub body slots (101) penetrating through the whole length direction of the hub body (100) are fixedly formed in the hub body (100), the end part of the rod piece (300) is fixedly connected with the tenons (200), tenon connecting necks (201) are fixedly arranged at the end parts of the tenons (200), the shapes of the end parts of the tenon connecting necks (201) are matched with those of the hub body slots (101) formed in the hub body (100) and connected with the inner parts of the hub body slots (101), the node structure forming parts at the two ends of the hub body (100) comprise the end cover plate (400) and the connecting bolts (500), a cover plate groove (401) is fixedly formed in the middle part of the end cover plate (400), and the connecting bolts (500) penetrate through the inner part of the end cover plate (400) and are fixedly connected with the end part of the hub body (100), bolt holes (102) are formed in the center positions of two end portions of the hub body (100), and the end portions of the connecting bolts (500) are in threaded fit connection with the inner portions of the bolt holes (102).
2. The mortise and tenon type hub node of a spatial structure according to claim 1, wherein: the hub body (100) is octagonal in shape, the hub body slot (101) formed in the hub body is circular, and the end of each hub body (100) can be connected with eight rod pieces (300) at most, namely the upper part and the lower part of the hub body (100) are connected with four rod pieces (300).
3. The mortise and tenon type hub node of a spatial structure according to claim 1, wherein: the tenon (200) is fixedly arranged at the end part of the rod piece (300), and the tenon (200) is connected with the rod piece (300) in a welding mode.
4. The mortise and tenon type hub node of a spatial structure according to claim 1, wherein: the shape of the end of the tenon (200) is consistent with the shape of the hub body slot (101) in the hub body (100), namely, the end of the tenon (200) is arranged in a circular shape.
5. The mortise and tenon type hub node of a spatial structure according to claim 1, wherein: each side of the tenon (200) and the interior of the hub body (100) are provided with a 1mm gap.
6. The mortise and tenon type hub node of a spatial structure according to claim 1, wherein: the end part of the rod piece (300) adopts a box-shaped section or a circular tube section.
7. The mortise and tenon type hub node of a spatial structure according to claim 1, wherein: the shape of the end cover plate (400) is the same as that of the end part of the hub body (100), the end cover plate (400) and the connecting bolt (500) are arranged at two ends of the hub body (100), and the connecting bolt (500) fixedly connects the end cover plate (400) and the hub body (100).
8. The mortise and tenon type hub node of a spatial structure according to claim 1, wherein: the connecting bolt (500) is a countersunk head bolt, and a locking gasket is fixedly arranged between the connecting bolt (500) and the cover plate groove (401) on the end cover plate (400).
9. The mortise and tenon type hub node of a spatial structure according to claim 1, wherein: the node on the hub body (100) and the node on the tenon (200) are both made of high-strength steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220956748.9U CN217175226U (en) | 2022-04-24 | 2022-04-24 | Mortise and tenon type hub-shaped node with spatial structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220956748.9U CN217175226U (en) | 2022-04-24 | 2022-04-24 | Mortise and tenon type hub-shaped node with spatial structure |
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| Publication Number | Publication Date |
|---|---|
| CN217175226U true CN217175226U (en) | 2022-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220956748.9U Active CN217175226U (en) | 2022-04-24 | 2022-04-24 | Mortise and tenon type hub-shaped node with spatial structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN217175226U (en) |
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- 2022-04-24 CN CN202220956748.9U patent/CN217175226U/en active Active
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