CN104389405A - Floor keel - Google Patents
Floor keel Download PDFInfo
- Publication number
- CN104389405A CN104389405A CN201410638581.1A CN201410638581A CN104389405A CN 104389405 A CN104389405 A CN 104389405A CN 201410638581 A CN201410638581 A CN 201410638581A CN 104389405 A CN104389405 A CN 104389405A
- Authority
- CN
- China
- Prior art keywords
- supporting surface
- floor
- floor keel
- keel
- common joists
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Abstract
The invention discloses a floor keel. The floor keel comprises a body, wherein the upper part of the body is provided with a first supporting surface and a second supporting surface, the first supporting surface is higher than the second supporting surface, the second supporting surface is provided with a bulge, and the movable end of the bulge stays on the same horizontal plane with the first supporting surface; at least two rectangular holes are formed in the body, and a reinforcing bar is arranged between the two adjacent rectangular holes. The floor keel is provided with the first supporting surface and the second supporting surface, the second supporting surface is provided with the bulge with the height being identical to that of the first supporting surface, the rectangular holes are arranged in the floor keel, thus not only can high supporting strength of the floor keel be guaranteed, but also the floor keel has a deformation space under the hot expansion and cold shrinkage situation, and the floor paved on the floor keel is not extruded, so that the service life of the floor is prolonged. The floor keel is simple in structure, convenient to use and high in practicability.
Description
Technical field
The present invention relates to a kind of construction ornament materials, be specifically related to a kind of common joists.
Background technology
In household or Design of Office, often use wood flooring or sheet material can be used in compound unit to decorate stair, at present, the keel used for installing sheet material are on the market generally, directly solid wood is laid on concrete floor, and then laying floor on solid wood keel.Although this method is simple and convenient, adopt solid wood waste material on the one hand, wood materials is expanding with heat and contract with cold or can deform in situation of making moist on the other hand, and then makes the floor deformation being laid on its top layer, reduces the application life on floor.
Summary of the invention
In view of this, be necessary to provide a kind of economical and practical, not easily deform common joists.
A kind of common joists, comprise body, described body upper part is provided with the first supporting surface and the second supporting surface, and described first supporting surface is higher than the second supporting surface, described second supporting surface is provided with a projection, and described protruding free end and described first supporting surface are in same level; Described body interior is provided with at least two rectangular openings, is provided with reinforcing rib between described adjacent rectangle hole.
Preferably, four angles of described rectangular opening are that arc seamlessly transits.
Common joists of the present invention, by arranging the first supporting surface and the second supporting surface, and the second supporting surface is arranged with the first supporting surface with high projection, inside arranges rectangular opening simultaneously, so not only ensures that this common joists integrated support intensity is high, and make this common joists under the situation of expanding with heat and contract with cold, have the space of deformation, be unlikely to extrude the floor of laying thereon, and then extend the application life on floor, common joists structure of the present invention is simple, easy to use, practical.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cross section of common joists of the present invention.
Detailed description of the invention
Clearly understand to make object of the present invention, technical scheme and advantage, below in conjunction with drawings and Examples, the present invention is further elaborated, is to be understood that, specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, the invention provides a kind of common joists, comprise body 10, described body 10 top is provided with the first supporting surface 11 and the second supporting surface 12, described first supporting surface 11 is higher than the second supporting surface 12, described second supporting surface 12 is provided with a projection 13, and described protruding 13 free ends and described first supporting surface 11 are in same level; Described body 10 inside is provided with at least two rectangular openings 14, is provided with reinforcing rib 15 between described adjacent rectangle hole.
Preferably, four angles of described rectangular opening 14 are that arc seamlessly transits
Common joists of the present invention, by arranging the first supporting surface and the second supporting surface, and the second supporting surface is arranged with the first supporting surface with high projection, inside arranges rectangular opening simultaneously, so not only ensures that this common joists integrated support intensity is high, and make this common joists under the situation of expanding with heat and contract with cold, have the space of deformation, be unlikely to extrude the floor of laying thereon, and then extend the application life on floor, common joists structure of the present invention is simple, easy to use, practical.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. a common joists, comprises body, it is characterized in that, described body upper part is provided with the first supporting surface and the second supporting surface, described first supporting surface is higher than the second supporting surface, and described second supporting surface is provided with a projection, and described protruding free end and described first supporting surface are in same level; Described body interior is provided with at least two rectangular openings, is provided with reinforcing rib between described adjacent rectangle hole.
2. common joists according to claim 1, is characterized in that, four angles of described rectangular opening are that arc seamlessly transits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410638581.1A CN104389405A (en) | 2014-11-13 | 2014-11-13 | Floor keel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410638581.1A CN104389405A (en) | 2014-11-13 | 2014-11-13 | Floor keel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104389405A true CN104389405A (en) | 2015-03-04 |
Family
ID=52607357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410638581.1A Pending CN104389405A (en) | 2014-11-13 | 2014-11-13 | Floor keel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104389405A (en) |
-
2014
- 2014-11-13 CN CN201410638581.1A patent/CN104389405A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150304 |
|
| WD01 | Invention patent application deemed withdrawn after publication |