CN214739185U - Steel-wood combined I-shaped joist - Google Patents
Steel-wood combined I-shaped joist Download PDFInfo
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- CN214739185U CN214739185U CN202120120068.9U CN202120120068U CN214739185U CN 214739185 U CN214739185 U CN 214739185U CN 202120120068 U CN202120120068 U CN 202120120068U CN 214739185 U CN214739185 U CN 214739185U
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Abstract
The utility model discloses a steel-wood combined I-shaped joist, which comprises a web plate, wherein the upper part of the web plate is provided with an upper flange, the lower part of the web plate is provided with a lower flange, both ends of the web plate are symmetrically provided with support supporting plates, and the web plate is provided with connecting pieces for fixedly connecting the web plate with the upper flange, the lower flange and the support supporting plates; the material is convenient to obtain, and is economical and applicable; the manufacturing is convenient and simple, and both factories and construction sites can be used, thereby solving the economic and feasible requirements of light structures on light high-strength components.
Description
Technical Field
The utility model relates to a building structure component technical field specifically is a steel wood combination I joist.
Background
Joists, one of the Chinese words, mean wooden bars arranged in parallel from wall to wall, placed on beams or girders to support the battens or pegboards of decking, flooring slabs or ceilings. Beams supporting floors, floors or ceilings. A so-called "floor joist" under the floor of a house and a so-called "floor joist" under the floor of a floor and a so-called "ceiling joist" on the ceiling.
Because the existing I-shaped joist has the defects of direct and inconvenient acquisition on site at a construction site and inconvenient manufacture, the I-shaped joist can not meet the requirements of light-weight structures on light-weight high-strength members and is economical and feasible. Therefore, a steel-wood combined I-shaped joist is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steel wood combination I-shaped joist bars to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a steel-wood combined I-shaped joist comprises a web plate, wherein an upper flange is arranged at the upper part of the web plate, a lower flange is arranged at the lower part of the web plate, support plates are symmetrically arranged at two ends of the web plate, and connecting pieces for fixedly connecting the web plate with the upper flange, the lower flange and the support plates are arranged on the web plate, so that the characteristics of steel-wood materials are conveniently and fully utilized, and the steel-wood combined I-shaped joist is a high-strength member; the material is convenient to obtain, and is economical and applicable; the manufacturing is convenient and simple, and both factories and construction sites can be used, thereby solving the economic and feasible requirements of light structures on light high-strength components.
Preferably, the upper flange comprises two first rectangular-section battens, the two first rectangular-section battens are symmetrically fixed on two sides of the upper portion of the web, the support supporting plate 4 is set to be a second rectangular-section batten 9, the four second rectangular-section battens are symmetrically located on two symmetrical sides of two ends of the web, the upper end of the second rectangular-section batten is tightly propped against the lower bottom of the first rectangular-section batten, the upper portion of the web is wrapped and clamped by the two first rectangular-section battens, a stable structure is formed, and the high-strength member effect is achieved.
Preferably, the lower flange comprises two C-shaped section cold-formed thin-walled steel sections, the two C-shaped section cold-formed thin-walled steel sections are symmetrically fixed on two sides of the lower portion of the web plate, and the two C-shaped section cold-formed thin-walled steel sections are fixed on the symmetrical sides of the bottom of the web plate, so that the characteristics of steel and wood materials are fully utilized, and the high-strength member is further used.
Preferably, the connecting piece is set as a self-tapping screw, the web is respectively connected with the upper flange, the lower flange and the support supporting plate in a penetrating manner through the self-tapping screws, the web is conveniently and fixedly connected with the upper flange, the lower flange and the support supporting plate, and the anti-loosening performance is achieved.
Preferably, the total height of the cross sections of the web plate and the upper flange is not less than 200mm, the method conforms to the actual use situation, and the effects of light weight and high strength are good.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model is a high-strength component by combining the C-shaped section cold-formed thin-wall section steel, the first rectangular section batten and the second rectangular section batten, and fully utilizing the characteristics of steel and wood materials; the material is convenient to obtain, and is economical and applicable; the manufacturing is convenient and simple, and both factories and construction sites can be used, thereby solving the economic and feasible requirements of light structures on light high-strength components.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the joist application scene-floor joist structure of the utility model;
FIG. 3 is a perspective view of the present invention;
FIG. 4 is a side view of the present invention;
fig. 5 is a schematic view of another upper flange structure of the present invention.
In the figure: 1-a web; 2-upper flange; 3-a lower flange; 4-a support plate; 5-a connector; 6-first rectangular section flitch; 7-C section cold-formed thin-wall section steel; 8-self-tapping screw; 9-second rectangular section flitch.
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. 1-5, the present invention provides a technical solution: a steel-wood combined I-shaped joist comprises a web plate 1 which is a wood-based structural plate, is arranged along the length direction of the joist and is fully distributed along the height of a component; the composite floor joist is uniformly fixed on a wall body through a plurality of webs 1 and is used as a floor joist or a roof joist of a light structure house;
the upper part of the web plate 1 is provided with an upper flange 2, the upper flange 2 comprises two first rectangular-section battens 6, the two first rectangular-section battens 6 are symmetrically fixed on two sides of the upper part of the web plate 1, and the upper part of the web plate 1 is clamped by the two first rectangular-section battens 6 to form a stable structure, so that the high-strength member is played;
in order to simplify the structure of the joist, the upper flange 2 can also be provided with a single first rectangular section batten 6 (as shown in fig. 5), a groove which is matched with the top of the web plate 1 is formed below the single first rectangular section batten 6, and the groove is arranged along the length direction of the joist.
In addition, the lower part of the web plate 1 is provided with a lower flange 3, the lower flange 3 comprises two C-shaped section cold-formed thin-walled steel sections 7, the two C-shaped section cold-formed thin-walled steel sections 7 are symmetrically fixed on two sides of the lower part of the web plate 1, and the two C-shaped section cold-formed thin-walled steel sections 7 are fixed on the symmetrical sides of the bottom of the web plate 1, so that the characteristics of steel and wood materials are fully utilized, and the high-strength member effect is further realized.
Meanwhile, a connecting piece 5 for fixedly connecting the web 1 with the upper flange 2, the lower flange 3 and the support plate 4 is arranged on the web 1, the connecting piece 5 is a self-tapping screw 8, the web 1 is respectively in penetrating connection with the upper flange 2, the lower flange 3 and the support plate 4 through a plurality of self-tapping screws 8, the web 1 is conveniently and fixedly connected with the upper flange 2, the lower flange 3 and the support plate 4, and the anti-loosening performance is achieved;
in order to facilitate the fixed connection of the web plate 1 with the upper flange 2, the lower flange 3 and the support plate 4, the connecting piece 5 can also be in through connection by rivets and the like, can also be bonded by adhesives or can be adopted in two ways.
In addition, the total height of the cross sections of the web plate 1 and the upper flange 2 is not less than 200mm, the practical use situation is met, and the light-weight high-strength composite material is good in light weight and high-strength effect.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a steel wood combination I-shaped joist which characterized in that includes:
a web (1);
an upper flange (2) is arranged at the upper part of the web plate (1), a lower flange (3) is arranged at the lower part of the web plate (1), and support plates (4) are symmetrically arranged at two ends of the web plate (1);
the connecting piece (5), connecting piece (5) are fixed on web (1) for with web (1) and upper flange (2), bottom flange (3) and support backup pad (4) fixed connection.
2. The steel-wood composite I-shaped joist according to claim 1, characterized in that: the upper flange (2) comprises two first rectangular-section battens (6), the two first rectangular-section battens (6) are symmetrically fixed on two sides of the upper portion of the web plate (1), the support supporting plate (4) is set to be a second rectangular-section batten (9), the four second rectangular-section battens (9) are symmetrically located on two symmetrical sides of two ends of the web plate, and the upper end of each second rectangular-section batten and the lower bottom of each first rectangular-section batten (6) are tightly pressed.
3. The steel-wood composite I-shaped joist according to claim 1, characterized in that: the lower flange (3) comprises two C-shaped section cold-formed thin-walled steel sections (7), and the two C-shaped section cold-formed thin-walled steel sections (7) are symmetrically fixed on two sides of the lower portion of the web plate (1).
4. The steel-wood composite I-shaped joist according to claim 1, characterized in that: connecting piece (5) are established to self-tapping screw (8), web (1) through a plurality of self-tapping screw (8) respectively with top flange (2), bottom flange (3) and support backup pad (4) through connection.
5. The steel-wood composite I-shaped joist according to claim 4, characterized in that: the total height of the cross sections of the web plate (1) and the upper flange (2) is not less than 200 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120120068.9U CN214739185U (en) | 2021-01-19 | 2021-01-19 | Steel-wood combined I-shaped joist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120120068.9U CN214739185U (en) | 2021-01-19 | 2021-01-19 | Steel-wood combined I-shaped joist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214739185U true CN214739185U (en) | 2021-11-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120120068.9U Active CN214739185U (en) | 2021-01-19 | 2021-01-19 | Steel-wood combined I-shaped joist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214739185U (en) |
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2021
- 2021-01-19 CN CN202120120068.9U patent/CN214739185U/en active Active
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