Fireproof structure of assembly type light steel keel partition wall and beam column connecting joint
By using mechanical anchoring structures such as light steel keel nails and T-shaped strips at the prefabricated light steel keel partition wall and beam-column connection nodes, the problem of insufficient firmness and fire resistance of the connecting nodes is solved, and a higher level of strength is achieved mechanical stability and fire resistance.
Patent Information
- Application Number
- CN202420261184.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-02
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-02-02
AI Technical Summary
The existing prefabricated light steel keel partition walls have poor firmness and weak fire resistance, making it difficult to meet the safety requirements of building facilities.
Light steel keel nails are used to closely connect to the beams and columns, and T-shaped strips, threaded sleeves, base rods, slides and other components are installed at the connection nodes to improve connection stability and fire resistance through mechanical anchoring and fine sand filling.
It improves the connection firmness and fire resistance between beams and columns and light steel keel partition walls, which is more reliable than traditional masonry methods to ensure building safety.
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Figure CN222161630U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building facilities, in particular to a fireproof structure of a prefabricated light steel keel partition wall and a beam-column connection node. Background Art
[0002] The development of new wall materials has promoted the birth of new building structure systems, and my country's non-load-bearing partition wall technology has also been further improved in the process of development. Light steel keel interior partition walls can adapt to walls of various heights and thicknesses; filling materials can be set in the partition wall cavity according to the sound insulation or thermal insulation design requirements, and pipelines can be installed according to equipment installation requirements; pipeline layout is well concealed, and concealed pipes can be laid vertically and horizontally. The panel has high flatness, which can realize the integration of interior partition walls, pipelines, and decoration.
[0003] However, the wall installation has high requirements on construction technology, the firmness between the wall and the beam column is poor, and the fire resistance at the connection node is weak. Therefore, a new type of connection component is set up to solve the above problems. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies of the prior art, the utility model provides a fireproof structure of a prefabricated light steel keel partition wall and a beam-column connection node, which solves the problems raised in the above-mentioned background technology.
[0006] (II) Technical solution
[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a fire-proof structure of the connection node between an assembled light steel keel partition wall and a beam and column, comprising a beam-column body and a light steel keel partition wall, the light steel keel partition wall is tightly attached to the beam-column body, light steel keel nails are arranged at equal distances in the light steel keel partition wall, the light steel keel nails pass through the light steel keel partition wall and are nailed into the beam-column body, the surface of the light steel keel partition wall is provided with an alkali-resistant glass fiber mesh cloth, and the interior of the light steel keel partition wall is filled with gypsum filler.
[0008] It also includes a T-shaped strip, which is pre-buried in the beam and column body. One side of the T-shaped strip is exposed outside the beam and column body and contacts the light steel keel partition wall. A plurality of chambers are opened in the T-shaped strip, and the chambers correspond one to the light steel keel nails. A threaded sleeve is provided in the T-shaped strip, and one end of the threaded sleeve extends to the outside of the T-shaped strip. The light steel keel nail passes through the light steel keel partition wall and is threadedly connected to the threaded sleeve.
[0009] The threaded sleeve is provided with a through sliding groove along the length direction, a base rod is slidably matched in the sliding groove, two ends of the base rod extend outside the threaded sleeve and are hinged with connecting rods.
[0010] There are two sliding plates symmetrically slidingly fitted in the chamber, and the two sliding plates are respectively located on both sides of the threaded sleeve. The head end of the sliding plate can extend outside the T-shaped strip plate, and the tail end of the sliding plate is connected with a protrusion. A through groove is opened at the end of the connecting rod away from the base rod, and the protrusion is hinged to the through groove.
[0011] The head end of the sliding piece extends to the outside of the T-shaped strip plate and is penetrated by a screw, and the screw is threadedly connected with the light steel keel partition wall.
[0012] Preferably, the middle section of the slide is connected with a flange, the flange is slidably matched with a slide rod, and the end of the slide rod is welded to an inner wall of the chamber.
[0013] Preferably, an inner wall of the chamber is connected with a rotating shaft, the rotating shaft passes through the middle section of the connecting rod, the connecting rod rotates around the rotating shaft as the axis, and the rotating shaft is perpendicular to the sliding rod space.
[0014] Preferably, a plurality of chambers 2 are provided in the T-shaped strip, and the chambers 2 are filled with fine sand.
[0015] Preferably, a spring is welded to the end of the base rod away from the sliding plate, and the end of the spring away from the base rod is welded to an inner wall of the chamber.
[0016] (III) Beneficial effects
[0017] The utility model provides a fireproof structure of a joint between an assembled light steel keel partition wall and a beam column.
[0018] It has the following beneficial effects:
[0019] 1. The fireproof structure of the assembled light steel keel partition wall and the connection node between the beam and column uses the light steel keel as the skeleton, which has good mechanical stability. The main part adopts the type of mechanical anchoring connection, which is more reliable in safety performance compared with the traditional masonry method. Through the coordination of T-shaped strips, threaded columns, base rods, and slides, the connection effect between the beam and the light steel keel partition wall is improved, and the overall firmness is improved. More fine sand is filled in the T-shaped strips to improve the fireproof effect at the connection node. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a reference diagram for the structure of this utility model;
[0021] Figure 2 It is a schematic diagram of the structure of the utility model;
[0022] Figure 3 It is a three-dimensional diagram of the local structure of the utility model;
[0023] Figure 4 This is a diagram showing the internal structure of a chamber of the utility model;
[0024] Figure 5 For this utility model Figure 4 A magnified view of the structure at center;
[0025] Figure 6 This is a schematic diagram of the internal structure of chamber 2 of the utility model.
[0026] In the figure: 1 beam column body, 2 light steel keel partition wall, 21 light steel keel nails, 22 alkali-resistant glass fiber mesh cloth, 23 gypsum filler, 3 T-shaped strips, 31 chamber one, 32 threaded sleeve, 321 slide groove, 33 slide rod, 34 rotating shaft, 35 chamber two, 36 fine sand, 4 base rod, 41 connecting rod, 411 through groove, 42 spring, 5 slide plate, 51 protrusion, 52 flange, 53 screw. DETAILED DESCRIPTION
[0027] The utility model provides a fireproof structure of the connection node between the assembled light steel keel partition wall and the beam column, such as Figure 1-6 As shown, it includes a beam-column body 1 and a light steel keel partition wall 2. The light steel keel partition wall 2 is tightly attached to the beam-column body 1. Light steel keel nails 21 are arranged at equal intervals in the light steel keel partition wall 2. The light steel keel nails 21 pass through the light steel keel partition wall 2 and are nailed into the beam-column body 1. An alkali-resistant glass fiber mesh cloth 22 is fixedly installed on the surface of the light steel keel partition wall 2, and the interior of the light steel keel partition wall 2 is filled with gypsum filler 23.
[0028] The gypsum filler 23 is tightly filled in the light steel keel partition wall to improve the fireproof, moisture-proof and soundproof effects. The alkali-resistant glass fiber mesh cloth 22 is provided to avoid stress deformation caused by long-term thermal expansion and contraction of the building.
[0029] It also includes a T-shaped strip 3, which is pre-buried in the beam-column body 1, one side of the T-shaped strip 3 is exposed outside the beam-column body 1, and contacts the light steel keel partition wall 2. A plurality of chambers 31 are provided in the T-shaped strip 3, and the chambers 31 correspond to the light steel keel nails 21 one by one. A threaded sleeve 32 is welded in the T-shaped strip 3, and one end of the threaded sleeve 32 extends outside the T-shaped strip 3. The light steel keel nails 21 pass through the light steel keel partition wall 2 and are threadedly connected with the threaded sleeve 32.
[0030] The threaded sleeve 32 is provided with a through slide groove 321 along the length direction. A base rod 4 is slidably fitted in the slide groove 321 . Both ends of the base rod 4 extend to the outside of the threaded sleeve 32 and are hinged with a connecting rod 41 .
[0031] Two slides 5 are symmetrically slidably fitted in chamber 1 31 , and the two slides 5 are respectively located on both sides of the threaded sleeve 32 , the head end of the slide 5 can extend outside the T-shaped strip 3 , a protrusion 51 is welded on the tail end of the slide 5 , and a through groove 411 is opened at one end of the connecting rod 41 away from the base rod 4 , and the protrusion 51 is hinged to the through groove 411 .
[0032] The head end of the slide 5 extends to the outside of the T-shaped strip 3 and is penetrated by a screw 53. The two slides 5 form a slot, and the light steel keel partition wall 2 is just inserted into the slot. The screw 53 is threadedly connected with the light steel keel partition wall 2.
[0033] A spring 42 is welded to the end of the base rod 4 away from the sliding plate 5 , and the end of the spring 42 away from the base rod 4 is welded to the inner wall of the chamber 1 31 .
[0034] Working principle: the light steel keel nail 2 is screwed into the threaded sleeve 32, the light steel keel nail 2 pushes the base rod 4 to move, the spring 42 is squeezed and contracted, the base rod 4 drives the connecting rod 41 to rotate, the connecting rod 41 pushes the slide 5, the slide 5 extends out from the T-shaped strip 3, and then the screw 53 is used to fix the slide 5 and the light steel keel partition wall 2 together.
[0035] A flange 52 is welded to the middle section of the slide 5 , and a slide bar 33 is slidably matched with the flange 52 , and the end of the slide bar 33 is welded to the inner wall of the chamber 1 31 .
[0036] A rotating shaft 34 is welded to the inner wall of the chamber 1 31 . The rotating shaft 34 passes through the middle section of the connecting rod 41 . The connecting rod 41 rotates around the rotating shaft 34 . The rotating shaft 34 is vertical to the sliding rod 33 in space.
[0037] The T-shaped strip 3 also has a plurality of chambers 2 35, and the chambers 2 35 are filled with fine sand 36. The fine sand 36 has a similar function to the gypsum filler 22, and serves to increase the fireproof effect at the connection node. The chamber 2 35 is located between two adjacent chambers 1 31.
[0038] In summary, the fireproof structure of the assembled light steel keel partition wall and the connection node between the beam and column has a light steel keel as a skeleton and good mechanical stability. The main body adopts a mechanical anchoring type connection, which is more reliable in safety performance than the traditional masonry method. The connection effect between the beam and column and the light steel keel partition wall is improved by the cooperation of the T-shaped strip 3, the threaded column 32, the base rod 4, and the slide 5, and the overall firmness is improved. Fine sand 6 is filled in the T-shaped strip 3 to improve the fireproof effect at the connection node.
[0039] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A fireproof structure for the connection node between assembled light steel keel partition wall and beam column, characterized by: It comprises a beam-column body (1) and a light steel keel partition wall (2), wherein the light steel keel partition wall (2) is in close contact with the beam-column body (1), light steel keel nails (21) are arranged at equal intervals in the light steel keel partition wall (2), and the light steel keel nails (21) pass through the light steel keel partition wall (2) and are nailed into the beam-column body (1), the surface of the light steel keel partition wall (2) is provided with an alkali-resistant glass fiber mesh cloth (22), and the interior of the light steel keel partition wall (2) is filled with gypsum filler (23); It also includes a T-shaped strip (3), which is pre-buried in the beam-column body (1), one side of the T-shaped strip (3) is exposed outside the beam-column body (1) and contacts the light steel keel partition wall (2), a plurality of chambers (31) are provided in the T-shaped strip (3), and the chambers (31) correspond one to one with the light steel keel nails (21), a threaded sleeve (32) is provided in the T-shaped strip (3), one end of the threaded sleeve (32) extends to the outside of the T-shaped strip (3), and the light steel keel nails (21) pass through the light steel keel partition wall (2) and are threadedly connected with the threaded sleeve (32); The threaded sleeve (32) is provided with a through slide groove (321) along the length direction, a base rod (4) is slidably fitted in the slide groove (321), and both ends of the base rod (4) extend outside the threaded sleeve (32) and are hinged with a connecting rod (41); Two slides (5) are symmetrically slidably fitted in the chamber (31), the two slides (5) are respectively located on both sides of the threaded sleeve (32), the head end of the slide (5) can extend outside the T-shaped strip (3), the tail end of the slide (5) is connected with a protrusion (51), and a through groove (411) is formed at one end of the connecting rod (41) away from the base rod (4), and the protrusion (51) is hinged to the through groove (411); The head end of the sliding plate (5) extends to the outside of the T-shaped strip plate (3) and is penetrated by a screw (53), and the screw (53) is threadedly connected to the light steel keel partition wall (2).
2. The fireproof structure of the assembled light steel keel partition wall and beam-column connection node according to claim 1 is characterized by: The middle section of the slide (5) is connected with a flange (52), the flange (52) is slidably matched with a slide rod (33), and the end of the slide rod (33) is welded to the inner wall of the chamber (31).
3. The fireproof structure of the assembled light steel keel partition wall and beam-column connection node according to claim 2 is characterized by: The inner wall of the chamber 1 (31) is connected with a rotating shaft (34), the rotating shaft (34) passes through the middle section of the connecting rod (41), the connecting rod (41) rotates around the rotating shaft (34) as the axis, and the rotating shaft (34) and the sliding rod (33) are vertical in space.
4. The fireproof structure of the joint between the assembled light steel keel partition wall and the beam column according to claim 3 is characterized by: The T-shaped strip plate (3) is also provided with a plurality of second chambers (35), and the second chambers (35) are filled with fine sand (36).
5. The fireproof structure of the joint between the assembled light steel keel partition wall and the beam column according to claim 4 is characterized by: A spring (42) is welded to the end of the base rod (4) away from the sliding plate (5), and the end of the spring (42) away from the base rod (4) is welded to the inner wall of chamber one (31).
Citation Information
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