CN210739945U - Special-shaped compression-resistant square and rectangular tube - Google Patents
Special-shaped compression-resistant square and rectangular tube Download PDFInfo
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- CN210739945U CN210739945U CN201920657046.9U CN201920657046U CN210739945U CN 210739945 U CN210739945 U CN 210739945U CN 201920657046 U CN201920657046 U CN 201920657046U CN 210739945 U CN210739945 U CN 210739945U
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- rectangular tube
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Abstract
The utility model relates to a special-shaped compression-resistant square and rectangular tube, wherein a square is formed by bending a square main body of the square and rectangular tube, a joint of the square main body of the rectangular tube is arranged in the middle of one edge, and the joint is connected by adopting a welding mode; two ends of each edge formed by bending the square tube main body are provided with concave areas which are concave inwards near the bending areas, and the middle parts of the two concave areas on each edge are flat and straight sections; the support plates are arranged at four corners inside the square rectangular main body, each support is connected with the end parts of two adjacent straight sections, and the concave area is positioned in a space formed by the support plates and the bending area; the utility model discloses a structure of square tube main part is improved, can its compressive capacity of effectual reinforcing, especially has great reinforcing to the compressive capacity at square tube position of buckling, can reach 2-10 times of ordinary square tube.
Description
Technical Field
The utility model relates to a mechanical equipment makes technical field, and is specific belongs to steel structure technical field, and more specifically is a dysmorphism resistance to compression square tube.
Background
The square and rectangular pipe is a name of square pipe and rectangular pipe, namely, steel pipes with equal and unequal side lengths. The composite material is widely applied to engineering buildings, glass curtain walls, door and window decorations, steel structures, guardrails, machine manufacturing, automobile manufacturing, household appliance manufacturing, shipbuilding, container manufacturing, electric power, agricultural construction, agricultural greenhouses, bicycle frames, motorcycle frames, goods shelves, fitness equipment, leisure and tourism articles, steel furniture, petroleum casings, oil pipes and pipeline pipes of various specifications, fluid transportation of water, gas, sewage, air, heating and the like, fire fighting, supports, building industries and the like. The existing square and rectangular tube has the following defects:
1. the existing square and rectangular tube has the advantages that four surfaces are flat, the interior is not made, the structural compression resistance is poor, and particularly the lateral compression resistance is poor;
2. after the square tube is used for a period of time, the interface is easy to corrode and crack due to the insufficient corrosion resistance of the existing interface, so that the service life of the square tube is shortened;
therefore, a special square-rectangular tube with high pressure resistance and long service life is needed to overcome the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a resistance to compression is strong, long service life's special-shaped square tube.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a special-shaped compression-resistant square and rectangular tube comprises a square and rectangular tube main body and a supporting plate.
The square and rectangular tube main body is bent to form a square structure, a connecting joint of the square and rectangular tube main body is positioned in the middle of one side of the square structure, and joints at the end part of the square and rectangular tube main body are connected in a welding mode; the square tube main body is bent to form a region, close to two ends, of each edge, a concave area is formed by bending inwards, and the part between the two concave areas on each edge is a straight section;
the backup pad, the backup pad is located the inside four corners that square tube main part formed, every the backup pad all with the end connection of two adjacent straight sections, just the depressed area is located in the space that backup pad and bending region formed.
The utility model discloses a structure of square tube main part is improved, can its compressive capacity of effectual reinforcing, especially has great reinforcing to the compressive capacity at square tube position of buckling, can reach 2-10 times of ordinary square tube.
When the opposite angle of the relative bending of square tube receives inward pressure, the depressed area and backup pad butt can form interval elasticity, the effectual compressive capacity that has increased to through the connection of bearing plate, the regional both sides of buckling can not part, also the effectual compressive capacity that increases.
Furthermore, a rectangular groove is formed in the outer side of the joint, reinforcing parts are fixed in the rectangular groove and the inner side of the joint, the thickness of each reinforcing part is smaller than or equal to the height of the rectangular groove, and the height of the rectangular groove is smaller than half of the thickness of the joint.
The utility model discloses a reinforcement is fixed in the rectangular channel, has increased the regional compressive capacity of joint, can not produce cracked problem, and the use of reinforcement has still increased the inoxidizing coating for welding area moreover, the effectual corrosion that prevents welding area.
Further, still include the anticorrosive coating, the anticorrosive coating is located the surface of square tube main part.
The utility model discloses its structural strength is high, and compressive capacity is strong, and corrosion resistance is good, has improved life greatly.
Further, the bending radian of the formed concave area is 20-90 degrees;
preferably, the curvature of the bend of the recessed region is 60 °.
The depressed area can form interval elasticity with the backup pad butt, the effectual compressive capacity that increases thereof.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an enlarged schematic view of the joint region a of fig. 1 according to the present invention.
Wherein, in the figure: 1 is square tube main part, and 11 are straight section, and 12 are the depressed area, and 2 are the joint, and 3 are the backup pad, and 4 are the reinforcement, and 5 are the anticorrosive coating.
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.
As shown in fig. 1-2, a special-shaped compression-resistant square and rectangular tube comprises: a square tube main body 1 and a support plate 3;
the square and rectangular tube main body 1 is bent to form a square structure, the connecting joint 2 of the square and rectangular tube main body 1 is positioned in the middle of one side of the square structure, and the joints 2 at the end parts of the square and rectangular tube main body 1 are connected in a welding mode; the square tube body 1 is bent to form a concave area 12 in the area of each edge close to two ends, and the part between the two concave areas 12 on each edge is a straight section 11;
in the embodiment, the welding mode adopted by the joint 2 is submerged arc welding;
in other embodiments, the welding mode adopted by the joint 2 can be other welding modes;
the inside four corners that square tube main part 1 formed is located to backup pad 3, and every backup pad 3 all is connected with the end connection of two adjacent straight sections 11, and depressed area 12 is located backup pad 3 and the space of bending region formation.
The embodiment improves the structure of the square tube main body, can effectively enhance the compression resistance of the square tube main body, particularly greatly enhances the compression resistance of the bending part of the square tube, and can reach 2-10 times of that of a common square tube.
The outside that connects 2 is equipped with the rectangular channel, and the inboard of rectangular channel and joint 2 all is fixed with reinforcement 4, and reinforcement 4's thickness is less than or equal to the rectangular channel height, and the rectangular channel height is less than half the thickness of connecting 2.
This embodiment is fixed in the rectangular channel through reinforcement 4, has increased the regional compressive capacity of joint 2, can not produce cracked problem, and reinforcement 4's use has still increased the inoxidizing coating for welding area moreover, the effectual corrosion that prevents welding area.
Still include anticorrosive coating 5, anticorrosive coating 5 locates the surface of square tube main part 1.
Compared with the prior art, the service life of the embodiment is longer in the using process, and the embodiment can be suitable for being used in a high-pressure structure; the utility model discloses structural design is more reasonable, and the interface region is difficult for the fracture, is difficult for being corroded, and its structure is more stable.
In this embodiment, the radian of the bend of the concave region is 30 °;
in other embodiments, the bending of the concave area is 20-90 degrees.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A special-shaped compression-resistant square and rectangular tube is characterized by comprising
The square and rectangular tube comprises a square and rectangular tube main body (1), wherein the square and rectangular tube main body (1) is bent to form a square structure, a connecting joint (2) of the square and rectangular tube main body (1) is located in the middle of one side of the square structure, and the joints (2) at the end parts of the square and rectangular tube main body (1) are connected in a welding mode; the square tube main body (1) is bent to form a concave area (12) by bending inward an area of each edge close to two ends, and the part between the two concave areas (12) on each edge is a straight section (11);
backup pad (3), backup pad (3) are located the inside four corners that square tube main part (1) formed, every backup pad (3) all with the end connection of two adjacent straight sections (11), just depressed area (12) in backup pad (3) and the space of bending region formation.
2. The special-shaped compression-resistant square and rectangular tube as claimed in claim 1, wherein a rectangular groove is formed in the outer side of the joint (2), a reinforcing member (4) is fixed in the rectangular groove and the inner side of the joint (2), the thickness of the reinforcing member (4) is less than or equal to the height of the rectangular groove, and the height of the rectangular groove is less than half of the thickness of the joint (2).
3. The special-shaped compression-resistant square and rectangular pipe as claimed in claim 1 or 2, further comprising an anticorrosive coating (5), wherein the anticorrosive coating (5) is arranged on the outer surface of the square pipe main body (1).
4. The special-shaped compression-resistant square and rectangular tube as claimed in claim 1 or 2, wherein the bending radian of the concave region (12) is 20-90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920657046.9U CN210739945U (en) | 2019-05-09 | 2019-05-09 | Special-shaped compression-resistant square and rectangular tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920657046.9U CN210739945U (en) | 2019-05-09 | 2019-05-09 | Special-shaped compression-resistant square and rectangular tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210739945U true CN210739945U (en) | 2020-06-12 |
Family
ID=70990527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920657046.9U Expired - Fee Related CN210739945U (en) | 2019-05-09 | 2019-05-09 | Special-shaped compression-resistant square and rectangular tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210739945U (en) |
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2019
- 2019-05-09 CN CN201920657046.9U patent/CN210739945U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 Termination date: 20210509 |