CN2844265Y - Directly-chucking light-steel keel - Google Patents
Directly-chucking light-steel keel Download PDFInfo
- Publication number
- CN2844265Y CN2844265Y CN 200520009591 CN200520009591U CN2844265Y CN 2844265 Y CN2844265 Y CN 2844265Y CN 200520009591 CN200520009591 CN 200520009591 CN 200520009591 U CN200520009591 U CN 200520009591U CN 2844265 Y CN2844265 Y CN 2844265Y
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- Prior art keywords
- keel
- utility
- model
- single side
- groove
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Abstract
The utility model relates to a directly-chucking light-steel keel, the top of which is provided with hoisting holes. The utility model is characterized in that the cross section of a keel (1) is in a shape of 'L', and the bottom of a single side surface of the keel is provided with clamping teeth (11) and buckle grooves (2) which are arranged alternately. Since the cross section of the utility model forms an L shape and the utility model only has a single side surface, the utility model has the advantages of steel saving, production cost reduction and installation difficulty reduction. The strength and the bearing capacity of the keel can be assured or raised, the strength of the connecting position between two keels can be raised, and the connection, the assembly and the disassembly of the utility model are convenient and quick. Besides as hoisting main keels, the utility model can also be used as keels for veneer ceilings.
Description
Technical field
The utility model relates to the main joist of suspended ceiling on the building decorating industry, specifically is the direct clamping type lightgage steel joist that a kind of cross section is.
Technical background
The cross section of lifting main joist of the prior art becomes door word or grooved, has two sides, punching, shock wave or have catching groove at interval on the side, the bottom of two sides has latch and the catching groove that alternately occurs, and end face punching at interval is divided into and regulates partly, connect partly, catching groove partly.
The operating principle of above-mentioned lifting keel is such, presetting screw rod by its end face interval punching with end face is connected, punching is fixed with nut down in the localities, the keel two ends directly or with connector connect, regulate level with the nut on the screw rod then, spiro rod length can not surpass the keel catching groove, and level regulates the back rider keel is installed in the catching groove.
The lifting keel of said structure exist following deficiency or defective:
(1) cost of production height, waste resource.
When (2) install regulating, must be from keel below adjusting nut, during the super catching groove of spiro rod length, need slice off with the angle grinding machine, installation personnel, install be difficult for regulating inconvenient, consuming time, consume energy.
(3) keel intensity and bearing capacity are lowered in the interval punching that the keel both sides are straight and both sides are too much.
When (4) being connected between keel and the keel, be connected with hole clipping on another keel or connector connects by the clamp of keel both sides punching press, very low in the junction load bearing stength, and inconvenience during dismounting, generally need use instrument.
(5) because keel two sides lower edge exists latch and catching groove simultaneously, be difficult in the production in enormous quantities, the latch of accomplishing two sides is consistent with the catching groove height or do not misplace, perhaps in transportation, cause the latch of both sides in the storing process and catching groove is inconsistent or during dislocation, stress point is inhomogeneous in use in meeting, and catching groove that causes or latch reduce load action.
The content of invention
The purpose of this utility model provides a kind of can reducing production costs, effectively economical with materials; Reduce installation difficulty, guarantee or improve keel intensity and bearing capacity, direct clamping type lightgage steel joist conveniently in the time of can improving intensity, the dismounting of junction between the keel.
For achieving the above object, such during the technical solution adopted in the utility model, promptly a kind of direct clamping type lightgage steel joist, its top has hole for hoist; It is characterized in that: the cross section of keel is a Γ shape, and its single side face bottom has latch and the catching groove that alternately occurs.
In the said structure, what the single side face of described keel bottom had level to the inside and respectively bent 90 ° of formation downwards makes latch and catching groove interior flanging vertically downward.
In said structure, the single side face of described keel has strengthening groove, or/and the top of keel has locating slot.On described single side face, can also have locator card and locating hole.
The utility model is owing to described structure has the following advantages:
A, save steel, thereby reduced production costs efficent use of resources.
B, owing to have only single side face, thereby reduced installation difficulty.
C, can guarantee or improve keel intensity and bearing capacity.
D, improve the intensity of junction between the keel, and connect and convenient and swift during dismounting.
E, can effectively solve the keel inconsistent technical barrier of height of two sides lower edge and catching groove in process of production.
Description of drawings
Structure of the present utility model can further specify by the non-limiting embodiment that accompanying drawing provides.
Accompanying drawing is the structural perspective of the utility model embodiment.
Referring to accompanying drawing: among the figure 1, keel: but keel 1 single side face invagination, and also invagination not is highly indefinite.2, catching groove: can be regardless of vertically row's example of size.3, interior flanging: rise to strengthen keel 1 intensity, and keel 1 between be connected and fixed, strengthen bonding strength, interior flanging 3 be logical limit longitudinally, also can be the interruption limit.4, locating slot: through cold-working be processed to form continuously or the groove that is interrupted, in order to improving keel 1 intensity, and connect the location between the keel 1.5, reinforcing rib or groove: strengthen the intensity of catching groove 2 these sides, also play reinforcement by connection between the keel simultaneously, this reinforcing rib or groove can be longitudinally to continuous or interruptions.6, locator card: when connecting between the keel, make overlapping unanimity between the catching groove 2, increase bed knife.7, keel 1 with preset the hole for hoist that screw rod is connected.8, stiffened edge: improve keel 1 intensity and fixedly connection between the keel 1, improve bonding strength, stiffened edge 8 also can be for being interrupted the limit for leading to the limit longitudinally.9, locating hole: play stationary positioned card 6, locating hole 9 can be one or more.10, direct-type joint, through punching press, size is received little than keel slightly.11, latch plays the effect that is connected with rider keel with the draw-in groove cooperation, can be regardless of vertically row's example of size.
The specific embodiment
Referring to accompanying drawing, among the embodiment that accompanying drawing provides, what the single side face of keel bottom had level to the inside and respectively bent 90 ° of formation downwards makes latch 11 and catching groove 2 interior flanging 3 vertically downward, in this flanging can be inwardly between two parties or not placed in the middle.
The opposite side at the keel top among the figure has stiffened edge 8, and the cross section of this stiffened edge is straight flange or L shaped limit, and shown in the figure is straight flange, bend inwards one or two 90 ° be L shaped limit.
The single side face bottom of keel has the latch 11 and the catching groove 2 that alternately occur and can be two or more specification.At different rider keels or facing plate, the shape of its latch and width can be different, and catching groove also changes thereupon.
The utility model uses the concrete operations of installing as follows:
At first: keel hole for hoist 7 is through on the screw rod that presets, from this side hold-down nut of stiffened edge 8 directions, regulate keel level, connect between the keel with a keel direct-type joint 10, insert another root keel one end, locator card 6 is fixed in the locating hole 9, make the overlapping unanimity of catching groove, also increased bed knife simultaneously.Interior flanging, the stiffened edge of the interior flanging 3 of direct-type joint 10, stiffened edge 8, strengthening groove 5, detent 4 and keel, strengthening groove, fixed groove, the overlapping unanimity of energy, then rider keel is installed in the catching groove, when connecting as need demolition keel 1, both hands are held the inside and outside turn-knob simultaneously of an end of direct-type joint 10 and another root keel respectively, just easily demolition.
The utility model is because described structure is requiring under the service condition on an equal basis, and energy economical with materials cost has effectively utilized resource more than 20%, and is quick for installation, increases work efficiency.
The utility model can also be as the keel of facing ceiling (as aluminum ceiling).
Claims (5)
1, a kind of direct clamping type lightgage steel joist, its top has hole for hoist (7); It is characterized in that: the cross section of keel (1) is a Γ shape, and its single side face bottom has latch (11) and the catching groove (2) that alternately occurs.
2, direct clamping type lightgage steel joist according to claim 1 is characterized in that: what the single side face of keel bottom had level to the inside and respectively bent 90 ° of formation downwards makes latch (11) and catching groove (2) interior flanging (3) vertically downward.
3, direct clamping type lightgage steel joist according to claim 1 is characterized in that: the opposite side at keel top has stiffened edge (8), and the cross section of this stiffened edge is straight flange or L shaped limit; Described stiffened edge (8) can also can be to be interrupted the limit for leading to the limit longitudinally.
4, direct clamping type lightgage steel joist according to claim 1 is characterized in that: the single side face of described keel has strengthening groove (5), or/and the top of keel has locating slot (4); Described strengthening groove (5), and locating slot (4) can be groove longitudinally, also can be to be interrupted groove.
5, direct clamping type lightgage steel joist according to claim 1 is characterized in that: have locator card (6) and locating hole (9) on the single side face of keel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520009591 CN2844265Y (en) | 2005-07-08 | 2005-07-08 | Directly-chucking light-steel keel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520009591 CN2844265Y (en) | 2005-07-08 | 2005-07-08 | Directly-chucking light-steel keel |
Publications (1)
Publication Number | Publication Date |
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CN2844265Y true CN2844265Y (en) | 2006-12-06 |
Family
ID=37486217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200520009591 Expired - Fee Related CN2844265Y (en) | 2005-07-08 | 2005-07-08 | Directly-chucking light-steel keel |
Country Status (1)
Country | Link |
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CN (1) | CN2844265Y (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012094906A1 (en) * | 2011-01-13 | 2012-07-19 | 中国国际海运集装箱(集团)股份有限公司 | Light steel keel connecting structure |
CN102888898A (en) * | 2011-07-18 | 2013-01-23 | 广东新会中集特种运输设备有限公司 | Connection structure of light steel keel |
CN106245840A (en) * | 2016-09-29 | 2016-12-21 | 范柏联 | A kind of overlap stable ceiling joist |
-
2005
- 2005-07-08 CN CN 200520009591 patent/CN2844265Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012094906A1 (en) * | 2011-01-13 | 2012-07-19 | 中国国际海运集装箱(集团)股份有限公司 | Light steel keel connecting structure |
CN102888898A (en) * | 2011-07-18 | 2013-01-23 | 广东新会中集特种运输设备有限公司 | Connection structure of light steel keel |
CN106245840A (en) * | 2016-09-29 | 2016-12-21 | 范柏联 | A kind of overlap stable ceiling joist |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061206 Termination date: 20120708 |