CN209942008U - Sub keel and side sub keel - Google Patents
Sub keel and side sub keel Download PDFInfo
- Publication number
- CN209942008U CN209942008U CN201920666333.6U CN201920666333U CN209942008U CN 209942008 U CN209942008 U CN 209942008U CN 201920666333 U CN201920666333 U CN 201920666333U CN 209942008 U CN209942008 U CN 209942008U
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- web
- wall
- flange
- secondary joist
- hook
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Abstract
The utility model discloses a secondary joist and limit secondary joist, include: the upper flange, the lower flange, the web plate, the side lugs and the bottom plate; the lower end of the web plate is connected to the lower flange, and the upper end of the web plate extends upwards; the outer side of web is equipped with the side ear, the side ear includes first side and second side, the side of first side with the side of second side is connected, the opposite side of second side is connected the outside of web makes the lateral wall of web the up end of second side with the inside wall of first side forms the ascending cell body of opening. The utility model discloses a secondary joist and limit secondary joist collect the rainwater on roof through the setting that holds chamber and side ear, and ponding is discharged as early as possible along the length direction who holds chamber and side ear, can not be because ponding leads to the roof infiltration too much, has also prevented acid rainwater erosion secondary joist. Through the third skew wall that limit secondary joist slope set up, can discharge the ponding at sunshine house roof edge as early as possible.
Description
Technical Field
The utility model relates to a fossil fragments field especially relates to a secondary joist and limit secondary joist.
Background
In the actual use process, the existing roof structure may have a water dripping phenomenon, so that the service performance of the whole roof structure is reduced, the roof dripping is caused by a plurality of factors, wherein the structure of the keel is also one of the key factors.
General roof structure mainly adopts the setting of main joist and secondary joist butt joint, and main joist and secondary joist all are ordinary section bar square tube, and rainwater or sewage when external environment descend to the section bar surface after, the rainwater can be gathered on the surface of section bar and roofing decorative board through main joist, secondary joist and roofing decorative board, produces the phenomenon of dripping under the effect of gravity. The secondary keel is only used as an auxiliary support structure, and can not effectively discharge rainwater or sewage retained on the surface of the secondary keel in time; even, moisture impregnation with corrosiveness can corrode the keel, leading to failure of the profile and the roof decking panel.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a secondary joist and limit secondary joist aims at solving current secondary joist and the technical problem that limit secondary joist does not possess the drainage effect.
In order to achieve the above object, the utility model provides a secondary joist, include:
the upper flange, the lower flange, the web plate, the side lugs and the bottom plate;
the lower end of the web plate is connected to the lower flange, and the upper end of the web plate extends upwards; the two webs are symmetrically arranged on the lower flange, and two ends of the bottom plate are respectively connected to the inner side walls of the two webs;
one end of the upper flange is connected to the upper end of the web plate, and the other end of the upper flange extends outwards along a direction parallel to the lower flange;
the outer side of web is equipped with the side ear, the side ear includes first side and second side, the side of first side with the side of second side is connected, the opposite side of second side is connected the outside of web makes the lateral wall of web the up end of second side with the inside wall of first side forms the ascending cell body of opening, the height of first side is less than the height on top flange.
Preferably, one end of the upper flange is provided with a C-shaped groove with an upward opening.
Preferably, the other end of the upper flange is provided with a first clamping hook, and the first clamping hook is of an L-shaped structure with a downward opening.
Preferably, the inner wall of the web plate is provided with a second clamping hook, and the second clamping hook is of an L-shaped structure with a downward opening.
Preferably, one end of the lower flange, which is far away from the web plate, is provided with a third clamping hook, and the third clamping hook is of an L-shaped structure with an upward opening.
Preferably, a first protruding part and a second protruding part are arranged on the outer side of the first side face, and the first protruding part is located at the lower end of the second protruding part; and a third bulge is arranged at one end of the first side surface, which is far away from the second side surface.
Preferably, the cross section of the middle part of the secondary keel is of a trapezoidal structure.
Preferably, the secondary joist is made of aluminum.
The utility model also provides a side secondary joist, including the secondary joist of above-mentioned first item, the upper flange of a wing extends perpendicularly upwards and forms straight wall, the one end downward sloping that the straight wall kept away from the upper flange of a wing extends and forms first skew wall, the first skew wall downward sloping extends and forms the second skew wall;
the one end tilt up that the web was kept away from to the bottom flange forms the third skew wall, the third skew wall tilt up forms the fourth skew wall, the second skew wall with the fourth skew wall is connected.
Preferably, a first elongated portion perpendicular to the lower flange is disposed on an inner side of the first inclined wall, and a second elongated portion extending downward is disposed on an inner side of the third inclined wall, and the second elongated portion is located on an extension line of the first elongated portion.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the setting that holds the ascending cell body of chamber and opening that partly surrounds, can collect the rainwater on roof and, and because the secondary joist is the setting of slope, ponding can be discharged as early as possible along the length direction who holds chamber and cell body, can not gather too much because of the rainwater and cause the roof infiltration, has also avoided the phenomenon that acid rainwater corrodes the secondary joist.
2. The third skew wall that sets up on the slope of limit secondary joist, the rainwater can be discharged as early as possible along the inclined plane of third skew wall.
3. Through the arrangement of the C-shaped groove, the sealing effect with the sealing rubber strip and the double-glass assembly can be realized; through the setting of first trip, can realize the fixed of secondary joist and roof glass, the connection effect is more firm.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Figure 1 is a perspective view of a preferred embodiment of the cross runners of the present invention;
figure 2 is a cross-sectional view of the cross runner shown in figure 1;
figure 3 is a cross-sectional view of a preferred embodiment of the cross runner of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | Upper flange | 101 | C- |
| 102 | The |
103 | |
| 104 | First |
1041 | |
| 105 | Second |
11 | |
| 111 | |
112 | Third |
| 1121 | |
113 | The fourth |
| 12 | |
121 | |
| 13 | |
131 | |
| 1311 | First convex |
1312 | Second convex |
| 1313 | Third raised |
132 | |
| 14 | Base plate |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a secondary joist, secondary joist is used for the bearing on building roof.
In an embodiment of the present invention, as shown in fig. 1 to 2, the secondary joist includes: an upper flange 10, a lower flange 11, a web 12, side lugs 13 and a bottom plate 14;
the lower end of the web 12 is connected to the lower flange 11, and the upper end of the web extends upwards; the two webs 12 are symmetrically arranged on the lower flange 11, and two ends of the bottom plate 14 are respectively connected to the inner side walls of the two webs 12;
one end of the upper flange 10 is connected to the upper end of the web 12, and the other end thereof extends outwards in a direction parallel to the lower flange 11;
the outer side of the web 12 is provided with the side lug 13, the side lug 13 comprises a first side surface 131 and a second side surface 132, the side edge of the first side surface 131 is connected with the side edge of the second side surface 132, the other side edge of the second side surface 132 is connected with the outer side of the web 12, so that the outer side wall of the web 12, the upper end surface of the second side surface 132 and the inner side wall of the first side surface 131 form a groove body with an upward opening, and the height of the first side surface 131 is smaller than that of the upper flange.
Specifically, as shown in fig. 1 to 2, in this embodiment, the secondary joist is applied to the roof of a building, and mainly functions to disperse the bearing force of the primary joist, so that the primary joist is more uniformly stressed, provide a foundation for laying roof tiles or glass panels, and also perform the functions of leveling and fixing a substrate.
On the actual secondary joist and main joist connection structure, the arrangement of the double webs 12 can show higher connection rigidity, and can also obviously improve the bearing capacity and the fatigue resistance, so that the service cycle of the secondary joist is longer. The both ends of bottom plate 14 are connected respectively on the inside wall of two webs 12, constitute the chamber structure that holds of a semi-surrounding, and the lateral wall of web 12, the up end of second side 132 and the inside wall of first side 131 form the ascending cell body of opening, the rainwater on roof can be collected with the ascending cell body of opening in the chamber that holds of semi-surrounding, and because the secondary joist slope sets up on the roof, ponding can be followed the length direction who holds chamber and cell body and discharge as early as possible, can not produce the ponding on roof too much and lead to the phenomenon of infiltration, also can prevent simultaneously because acid rainwater gathers to corrode the secondary joist and cause its phenomenon of inefficacy on the secondary joist.
Specifically, one end of the upper flange 10 is provided with a C-shaped groove 101 with an upward opening. The setting of C type groove 101 is convenient for with joint strip's joint, and in specific installation, the ascending C type groove 101 of opening is fixed back with joint strip joint, because two ripples subassembly sets up perpendicularly in joint strip's upper end, the inseparable laminating of glass lower surface and joint strip of dual glass assembly to realize sealed effect.
Further, a first hook 102 is disposed at the other end of the upper flange 10, and the first hook 102 is an L-shaped structure with a downward opening. The upper end on top flange 10 is provided with presses the sign indicating number, and the both ends of pressing the sign indicating number are fixed with dual glass assembly, and the first trip 102 of the downward L type of opening and nut fixed connection, the nut then pass through the bolt and press the sign indicating number reciprocal anchorage to realized dual glass assembly's dual fixed, the secondary joist is more firm with roof glass's connection.
Further, a second hook 121 is disposed on an inner wall of the web 12, and the second hook 121 is an L-shaped structure with a downward opening. Specifically, the second hook 121 is provided to prevent that when a nut, a bolt or other elements fall into the accommodating cavity formed by the base plate 14 and the web 12 in the installation process, the accommodating cavity has a larger depth, and the diameter of the opening end of the accommodating cavity is smaller, so that the bolt, the nut or other elements are difficult to take out of the accommodating cavity after falling into the accommodating cavity, and therefore the second hook 121 is provided to play a limiting role.
Further, one end of the lower flange 11, which is far away from the web 12, is provided with a third hook 111, and the third hook 111 is of an L-shaped structure with an upward opening. Therefore, the fixing of the secondary keel and the main keel is realized through the arrangement of the third clamping hook 111. Specifically, one side of the T-shaped bolt is fixed with the third clamping hook 111 with the upward opening of the secondary keel in a buckling mode, and the main body of the T-shaped bolt is fixed to the upper end of the main keel, so that the secondary keel and the main keel are fixed.
Specifically, a first protruding portion 1311 and a second protruding portion 1312 are disposed on the outer side of the first side surface 131, and the first protruding portion 1311 is located at the lower end of the second protruding portion 1312; the end of the first side 131 away from the second side 132 is provided with a third protrusion 1313. The provision of first, second and third bosses 1311, 1312, 1313 facilitates the securement of the cross runners to the purlins. Specifically, the groove formed by the first protruding portion 1311 and the second protruding portion 1312 is in snap fit with one end of the U-shaped purline clamping piece, the third protruding portion 1313 is fixed to the other end of the U-shaped purline clamping piece in a snap fit mode, the upper end of the purline clamping piece is fixedly connected with the purline, and therefore fixing of the first side face 131 of the secondary keel and the purline is guaranteed, and clamping stability of the secondary keel and the purline is guaranteed effectively through fixing of double buckles.
Furthermore, the cross section of the middle part of the secondary keel is of a trapezoidal structure. As the stress conditions of the upper part of the secondary keel is pressed and the lower part of the secondary keel is pulled in the actual working process, the upper part under the pressure can adopt a smaller section, and the lower part under the tension can be enlarged to improve the tensile strength.
Specifically, the secondary joist is made of aluminum. The aluminum material has lighter weight, does not cause larger burden when used on the roof of a sunlight room, has stronger corrosion resistance and longer service cycle under the condition of external rain erosion; meanwhile, the aluminum material also has good ductility and plasticity, and can be forged easily in the production and manufacturing process.
The utility model also provides a side secondary joist, including the secondary joist of above-mentioned first item, the top flange 10 extends perpendicularly upwards and forms straight wall 103, the one end downward sloping that the straight wall 103 kept away from the top flange 10 extends and forms first skew wall 104, first skew wall 104 downward sloping extends and forms second skew wall 105; one end of the lower flange 11, which is far away from the web 12, is inclined upwards to form a third inclined wall 112, the third inclined wall 112 is inclined upwards to form a fourth inclined wall 113, and the second inclined wall 105 is connected with the fourth inclined wall 113.
The preferred right angle of contained angle that straight arm 103 and top flange 10 formed, when above-mentioned contained angle is the right angle, the overlap joint that can effectual assurance secondary joist and eave is the biggest contact surface overlap joint, has effectively guaranteed the lapped stability of secondary joist. The second skew wall 105 is the slope form setting, and when the secondary joist setting was at the most marginal of sunshine roof, the corresponding most marginal of setting up the roof of second skew wall 105 played the effect of drainage, and ponding can flow out along the inclined plane of second skew wall 105.
Further, a first elongated portion 1041 perpendicular to the lower flange 11 is disposed on an inner side of the first inclined wall 104, a second elongated portion 1121 extending downward is disposed on an inner side of the third inclined wall 112, and the second elongated portion 1121 is located on an extension line of the first elongated portion 1041. In a specific installation process, the first extension portion 1041 and the second extension portion 1121 are clamped and fixed with a plastic end cover seal arranged at the end of the side secondary keel.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A cross runner, comprising:
the upper flange, the lower flange, the web plate, the side lugs and the bottom plate;
the lower end of the web plate is connected to the lower flange, and the upper end of the web plate extends upwards; the two webs are symmetrically arranged on the lower flange, and two ends of the bottom plate are respectively connected to the inner side walls of the two webs;
one end of the upper flange is connected to the upper end of the web plate, and the other end of the upper flange extends outwards along a direction parallel to the lower flange;
the outer side of web is equipped with the side ear, the side ear includes first side and second side, the side of first side with the side of second side is connected, the opposite side of second side is connected the outside of web makes the lateral wall of web the up end of second side with the inside wall of first side forms the ascending cell body of opening, the height of first side is less than the height on top flange.
2. A cross runner as claimed in claim 1, wherein one end of the upper flange is provided with an upwardly opening C-shaped channel.
3. The secondary joist of claim 2, wherein the other end of the upper flange is provided with a first hook, and the first hook is of an L-shaped structure with a downward opening.
4. The cross runner of claim 1, wherein the web has a second hook on an inner wall thereof, and the second hook has an L-shaped structure with a downward opening.
5. The secondary joist of claim 1, wherein a third hook is disposed at an end of the lower flange away from the web, and the third hook is an upward opening L-shaped structure.
6. The cross runner of claim 1, wherein the first side is provided on an outer side thereof with a first boss and a second boss, the first boss being located at a lower end of the second boss;
and a third bulge is arranged at one end of the first side surface, which is far away from the second side surface.
7. A cross runner as claimed in claim 1, wherein the cross section of the middle of the cross runner is a trapezoidal configuration.
8. A cross runner as claimed in claim 1, wherein the cross runner is of aluminium.
9. A side cross runner comprising the cross runner of claim 1, wherein the upper flange extends vertically upward to form a straight wall, an end of the straight wall remote from the upper flange extends downward to form a first inclined wall, and the first inclined wall extends downward to form a second inclined wall;
the one end tilt up that the web was kept away from to the bottom flange forms the third skew wall, the third skew wall tilt up forms the fourth skew wall, the second skew wall with the fourth skew wall is connected.
10. The edge runner of claim 9, wherein: the inner side of the first inclined wall is provided with a first elongated part perpendicular to the lower flange, the inner side of the third inclined wall is provided with a second elongated part extending downwards, and the second elongated part is located on an extension line of the first elongated part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666333.6U CN209942008U (en) | 2019-05-09 | 2019-05-09 | Sub keel and side sub keel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666333.6U CN209942008U (en) | 2019-05-09 | 2019-05-09 | Sub keel and side sub keel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209942008U true CN209942008U (en) | 2020-01-14 |
Family
ID=69132043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920666333.6U Active CN209942008U (en) | 2019-05-09 | 2019-05-09 | Sub keel and side sub keel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209942008U (en) |
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2019
- 2019-05-09 CN CN201920666333.6U patent/CN209942008U/en active Active
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