A lightweight steel structure for housing construction

Abstract

The invention discloses a light steel structure for housing construction, belonging to the technical field of steel structure. A light steel structure for housing construction comprises a supporting column, a plug is arranged on the top of the supporting column, a cavity is arranged in the plug, a socket matched with the plug is provided at the bottom of the supporting column, a stud is arranged in the socket, a threaded tube for screwing the stud is arranged in the cavity, a limit assembly is arranged on the inner wall on both sides of the socket, a limit hole matched with the limit assembly is arranged on the plug, a rotating assembly for driving the stud to rotate is arranged in the supporting column, the limit assembly drives the rotating assembly to work through a transmission mechanism, and a disassembly mechanism for separating the stud and the threaded tube is also arranged on the plug; the invention has a simple structure, can quickly assemble or disassemble the connection between the steel structures of the housing construction, shortens the disassembly and assembly time, reduces the labor intensity during disassembly and assembly, improves the disassembly and assembly efficiency, and has strong practicality.

Description

Technical Field

[0001] The invention relates to the technical field of steel structures, and in particular to a lightweight steel structure for a building. Background Art

[0002] The steel structure of building construction is an important part of the building construction project. Traditional building construction rarely uses steel structure, but instead adopts the casting method, but its construction period is long. Through continuous development and progress, the existing house construction has gradually been developed by supporting it with a combination of steel structures, and then laying steel plates or other plates on the outside of the steel structure.

[0003] Steel structure is a structure made of steel materials and is one of the main types of building structures. The structure is mainly composed of beams, steel columns, steel trusses and other components made of steel and steel plates, and uses silanization, pure manganese phosphating, water washing and drying, galvanizing and other rust removal and rust prevention processes. The components or parts are usually connected by welds, bolts or rivets. Because of its light weight and simple construction, it is widely used in large factories, venues, super high-rise buildings and other fields.

[0004] Existing steel structures of house buildings, such as columns or beams, are basically connected by welding or bolts. Although this connection method is relatively strong, it is very troublesome to install and requires a lot of manpower and material resources. Moreover, when it needs to be dismantled later, it can only be dismantled forcibly, which makes the steel unusable and causes a waste of resources. Summary of the invention

[0005] The purpose of the present invention is to solve the problems existing in the prior art and to propose a lightweight steel structure for building construction.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A lightweight steel structure for a house building comprises a supporting column, wherein a plug is arranged on the top of the supporting column, a cavity is arranged in the plug, a socket matched with the plug is provided at the bottom of the supporting column, a stud is arranged in the socket, a threaded tube for screwing the stud is arranged in the cavity, limiting components are arranged on the inner walls on both sides of the socket, limiting holes matched with the limiting components are arranged on the plug, a rotating component for driving the stud to rotate is arranged in the supporting column, the limiting component drives the rotating component to work through a transmission mechanism, and a disassembly mechanism for separating the stud and the threaded tube is also arranged on the plug.

[0008] Preferably, the limit assembly includes a limit groove opened on the inner wall of the socket, the inner wall of the limit groove is connected to a first elastic element, the end of the first elastic element away from the inner wall of the limit groove is connected to a limit block, the limit block is movably connected in the limit hole, and the limit block is provided with a first inclined surface, which is movably opposed to the plug.

[0009] Preferably, the rotating assembly includes a support block fixed in the socket, the support block is threadedly connected to the stud, a sleeve is rotatably connected to the support block through a bearing, the sleeve is sleeved on the outside of the stud, a fixing strip is provided on the inner wall of the sleeve, and a fixing groove matching the fixing strip is opened on the stud.

[0010] Preferably, a movable groove is provided in the stud, a fourth elastic element is provided on the inner wall of the movable groove, a movable rod is provided on one end of the fourth elastic element away from the inner wall of the movable groove, and the movable rod movably abuts against the inner wall of the threaded tube, and a first sliding groove is also provided in the stud, a sliding rod movably connected in the first sliding groove, and two ends of the sliding rod movably abut against the inner wall of the threaded tube and the outer wall of the movable rod respectively.

[0011] Preferably, a second slide groove is also opened in the stud, and a fifth elastic element is arranged on the inner wall of the second slide groove. The end of the fifth elastic element away from the inner wall of the second slide groove is connected to a slider, and the slider is fixedly connected to the sliding rod. The end of the sliding rod away from the movable groove passes through the fixed groove and extends outward.

[0012] Preferably, one end of the moving rod connected to the fourth elastic element is configured to be conical, and a second inclined surface is provided on the sliding rod, and the second inclined surface movably abuts against the cone.

[0013] Preferably, the transmission mechanism includes a rack plate fixed on the limit block, the outer wall of the rack plate is meshingly connected with a moving gear, the moving gear is rotatably set in a supporting column, the moving gear is connected to a rotating rod, the rotating rod and the sleeve are both provided with synchronous wheels, and a transmission belt is provided between the two synchronous wheels.

[0014] Preferably, the disassembly mechanism includes a releasing component and a locking component, the locking component includes a fixed block fixed on the inner wall of the cavity, second elastic elements are connected to both sides of the outer wall of the fixed block, the end of the second elastic element away from the fixed block is connected to a connecting plate, the two connecting plates are respectively connected to the outer walls of the threaded tube on both sides, the threaded tube includes two arc tubes, the two connecting plates are respectively fixedly connected to the arc tubes on both sides, and the arc tubes are movably resisted against the limit block.

[0015] Preferably, the release assembly includes a recessed hole formed on the plug, a U-shaped plate being movably connected to the recessed hole, inner walls on both sides of the U-shaped plate being movably abutted against two connecting plates respectively, support plates are connected to both sides of the U-shaped plate, a third elastic element is provided between the support plate and the inner wall of the cavity, the release assembly also includes a pull plate vertically arranged with the U-shaped plate, a pull groove is provided on the pull plate, a first groove and a second groove cooperating with the pull plate are also provided on the support column, and the first groove and the second groove are respectively arranged on the upper and lower sides of the support column.

[0016] Preferably, a third groove is formed on the plug, and an auxiliary wheel is connected to the inner wall of the third groove via a rotating shaft, and the auxiliary wheel movably contacts the first inclined surface.

[0017] Compared with the prior art, the present invention provides a lightweight steel structure for building construction, which has the following beneficial effects:

[0018] 1. The lightweight steel structure of the house building inserts a plug into the socket to make the limit assembly work and drives the rotating assembly to work through the transmission mechanism, so that the stud is automatically screwed into the threaded tube, realizing rapid installation between supporting columns, shortening installation time, reducing labor intensity during installation, improving installation efficiency, and having strong practicality.

[0019] 2. The lightweight steel structure of the house building pushes the limit block through the elastic force of the first elastic element, so that the limit block is placed in the limit hole of the plug, thereby achieving preliminary fixation between the supporting columns and improving installation efficiency.

[0020] 3. The lightweight steel structure of the house building drives the rack plate to mesh with the moving gear through the movement of the limit block, and then the rotating rod on the moving gear drives the sleeve to rotate under the action of the synchronous wheel and the transmission belt, and then the sleeve drives the stud to rotate, so that the stud moves downward when it is threadedly connected with the support block, and the stud enters the threaded tube, realizing another fixation between the supporting columns, thereby improving the fixing effect between the columns.

[0021] 4. The lightweight steel structure of the house building has a stud entering the threaded tube and making the moving rod abut against the inner wall of the threaded tube, so that the moving rod is forced to shrink into the stud. In this process, the conical surface of the moving rod abuts against the second inclined surface of the sliding rod, so that the sliding rod moves to the outside of the stud and moves out of the fixing groove to press against the side wall of the threaded tube, thereby preventing the stud from loosening under stress, thereby improving the fixing effect between the columns.

[0022] 5. The lightweight steel structure of the house building drives the U-shaped plate to move in the concave hole by pulling the pull plate, and the side wall of the U-shaped plate no longer resists the connecting plate, so that the elastic force of the second elastic element pushes the connecting plate to move, and the connecting plate drives the arc tube to resist the limit block, so that the limit block moves toward the outside of the plug, and in the process of the limit block moving outward, the stud moves up relative to the threaded tube, thereby releasing the fixation between the plug and the socket, shortening the disassembly time, reducing the labor intensity during disassembly, improving the disassembly efficiency, and having strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention;

[0025] Figure 3 For the present invention Figure 2 A partial enlarged schematic diagram of the middle part;

[0026] Figure 4 It is a schematic diagram of the structure of the plug entering the socket of the present invention;

[0027] Figure 5 The cross-sectional structure of the plug of the present invention is shown in FIG. Figure 1 ;

[0028] Figure 6 The cross-sectional structure of the plug of the present invention is shown in FIG. Figure 2 ;

[0029] Figure 7 It is a schematic diagram of the cross-sectional structure of the stud of the present invention;

[0030] Figure 8 It is a schematic diagram of the structure of the plug of the present invention.

[0031] In the figure: 1, support column; 2, plug; 201, limit hole; 202, concave hole; 3, socket; 4, stud; 401, fixing groove; 5, threaded pipe; 501, arc pipe; 6, cavity; 7, limit groove; 701, first elastic element; 702, limit block; 8, support block; 801, sleeve; 8011, fixing strip; 9, rack plate; 901, moving gear; 902, rotating rod; 903, synchronous wheel; 904, transmission belt; 10, fixed Block; 11, second elastic element; 111, connecting plate; 12, U-shaped plate; 121, support plate; 122, third elastic element; 13, pull plate; 131, pull groove; 14, first groove; 15, second groove; 16, movable groove; 161, fourth elastic element; 162, moving rod; 17, first slide groove; 171, sliding rod; 18, second slide groove; 181, fifth elastic element; 182, slider; 19, third groove; 20, auxiliary wheel. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0033] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installed", "provided with", "mounted / connected", "connected", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two components; for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] Example:

[0036] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 A lightweight steel structure for a house building comprises a supporting column 1, a plug 2 is arranged on the top of the supporting column 1, a cavity 6 is arranged in the plug 2, a socket 3 matching with the plug 2 is provided at the bottom of the supporting column 1, a stud 4 is arranged in the socket 3, a threaded tube 5 for screwing the stud 4 is arranged in the cavity 6, limiting components are arranged on the inner walls on both sides of the socket 3, limiting holes 201 matching with the limiting components are arranged on the plug 2, a rotating component for driving the stud 4 to rotate is arranged in the supporting column 1, the limiting component drives the rotating component to work through a transmission mechanism, and a disassembly mechanism for separating the stud 4 and the threaded tube 5 is also arranged on the plug 2.

[0037] Specifically, when multiple support columns 1 need to be connected, the plug 2 is inserted into the socket 3 to activate the limit assembly and drive the rotating assembly to work through the transmission mechanism, so that the stud 4 is automatically screwed into the threaded tube 5, thereby realizing rapid installation between the support columns 1. When disassembly and recycling are required, the disassembly mechanism is activated, thereby shortening the disassembly and assembly time, reducing the labor intensity during disassembly and assembly, improving the disassembly and assembly efficiency, and having strong practicality.

[0038] Reference Figure 2 , Figure 4 and Figure 8 As a preferred technical solution of the present invention, the limiting component includes a limiting groove 7 opened on the inner wall of the socket 3, the inner wall of the limiting groove 7 is connected with a first elastic element 701, the end of the first elastic element 701 away from the inner wall of the limiting groove 7 is connected to a limiting block 702, the limiting block 702 is movably connected in the limiting hole 201, and the limiting block 702 is provided with a first inclined surface, and the first inclined surface is movably abutted against the plug 2; specifically, when the plug 2 is inserted into the socket 3, the end of the plug 2 exerts a force on the first inclined surface of the limiting block 702, so that the limiting block 702 is forced to squeeze the first elastic element 701, and the limiting block 702 shrinks into the limiting groove 7, when the end of the inserted support column 1 is connected to the bottom of the inserted support column 1, at this time, the limiting groove 7 is opposite to the limiting hole 201, and the elastic force of the first elastic element 701 pushes the limiting block 702 into the limiting hole 201, so as to achieve the initial fixation between the support columns 1 and improve the installation efficiency.

[0039] Furthermore, a third groove 19 is provided on the plug 2, and an auxiliary wheel 20 is connected to the inner wall of the third groove 19 through a rotating shaft, and the auxiliary wheel 20 is movably abutted against the first inclined surface; when the plug 2 abuts against the first inclined surface, the auxiliary wheel 20 abuts against the first inclined surface, thereby avoiding serious wear on the end of the plug 2 and the limit block 702, thereby improving its service life.

[0040] Reference Figure 2 , Figure 3 and Figure 4 As a preferred technical solution of the present invention, the rotating assembly includes a support block 8 fixed in the socket 3, the support block 8 is threadedly connected to the stud 4, a sleeve 801 is rotatably connected to the support block 8 through a bearing, the sleeve 801 is sleeved on the outside of the stud 4, a fixing strip 8011 is provided on the inner wall of the sleeve 801, and a fixing groove 401 matching the fixing strip 8011 is provided on the stud 4; specifically, when the sleeve 801 rotates, the stud 4 is driven to rotate through the fixing strip 8011, and since the stud 4 is threadedly connected to the support block 8, the stud 4 moves downward during rotation, and then the stud 4 is screwed into the threaded tube 5, thereby realizing a fixed connection between the two support columns 1.

[0041] Reference Figure 2 , Figure 4 and Figure 7As a preferred technical solution of the present invention, a movable groove 16 is provided in the stud 4, and a fourth elastic element 161 is provided on the inner wall of the movable groove 16. A moving rod 162 is provided at one end of the fourth elastic element 161 away from the inner wall of the movable groove 16. The moving rod 162 movably abuts against the inner wall of the threaded tube 5. A first sliding groove 17 is also provided in the stud 4. A sliding rod 171 is movably connected in the first sliding groove 17. The two ends of the sliding rod 171 movably abut against the inner wall of the threaded tube 5 and the outer wall of the moving rod 162, respectively.

[0042] Furthermore, a second slide groove 18 is opened in the stud 4, and a fifth elastic element 181 is arranged on the inner wall of the second slide groove 18. The end of the fifth elastic element 181 away from the inner wall of the second slide groove 18 is connected to a slider 182. The slider 182 is fixedly connected to the sliding rod 171. The end of the sliding rod 171 away from the movable groove 16 passes through the fixed groove 401 and extends outward.

[0043] Furthermore, one end of the moving rod 162 connected to the fourth elastic element 161 is configured to be conical, and a second inclined surface is disposed on the sliding rod 171 , and the second inclined surface movably abuts against the cone.

[0044] Specifically, when the stud 4 enters the threaded tube 5 and causes the moving rod 162 to abut against the inner wall of the threaded tube 5, the fourth elastic element 161 is compressed, causing the moving rod 162 to be forced to shrink into the stud 4. During this process, the conical surface of the moving rod 162 abuts against the second inclined surface of the sliding rod 171, causing the sliding rod 171 to move toward the outside of the stud 4 and move out of the fixing groove 401 to press against the side wall of the threaded tube 5, thereby preventing the stud 4 from loosening under other stress conditions such as earthquakes, thereby improving the fixing effect between the columns.

[0045] Reference Figure 2 , Figure 3 and Figure 4 As a preferred technical solution of the present invention, the transmission mechanism includes a rack plate 9 fixed on the limit block 702, the outer wall of the rack plate 9 is meshedly connected with a moving gear 901, the moving gear 901 is rotatably arranged in the support column 1, and a rotating rod 902 is connected to the moving gear 901, and a synchronous wheel 903 is arranged on the rotating rod 902 and the sleeve 801, and a transmission belt 904 is arranged between the two synchronous wheels 903; through the movement of the limit block 702, the limit block 702 drives the rack plate 9 to mesh with the moving gear 901, and then the rotating rod 902 on the moving gear 901 drives the sleeve 801 to rotate under the action of the synchronous wheel 903 and the transmission belt 904, and then the sleeve 801 drives the stud 4 to rotate, so that the stud 4 moves downward when it is threadedly connected with the support block 8, so that the stud 4 enters the threaded tube 5, and another fixation between the support columns 1 is realized, thereby improving the fixing effect between the columns.

[0046] Reference Figure 1 , Figure 2, Figure 5 and Figure 6 As a preferred technical solution of the present invention, the disassembly mechanism includes a releasing component and a locking component. The locking component includes a fixing block 10 fixedly mounted on the inner wall of the cavity 6. Second elastic elements 11 are connected to both sides of the outer wall of the fixing block 10. The end of the second elastic element 11 away from the fixing block 10 is connected to a connecting plate 111. The two connecting plates 111 are respectively connected to the outer walls of the threaded tube 5 on both sides. The threaded tube 5 includes two arc tubes 501. The two connecting plates 111 are respectively fixedly connected to the arc tubes 501 on both sides, and the arc tubes 501 are movably abutted against the limiting blocks 702.

[0047] Furthermore, the release component includes a recessed hole 202 formed on the plug 2, a U-shaped plate 12 being movably connected in the recessed hole 202, inner walls on both sides of the U-shaped plate 12 being movably abutted against two connecting plates 111 respectively, support plates 121 being connected to both sides of the U-shaped plate 12, a third elastic element 122 being arranged between the support plate 121 and the inner wall of the cavity 6, the release component also includes a pull plate 13 vertically arranged with the U-shaped plate 12, a pull groove 131 being arranged on the pull plate 13, a first groove 14 and a second groove 15 cooperating with the pull plate 13 being arranged on the support column 1, and the first groove 14 and the second groove 15 being arranged on the upper and lower sides of the support column 1 respectively.

[0048] Specifically, a finger is placed in the first groove 14, and the groove 131 of the pull plate 13 is pulled outward, so that the pull plate 13 drives the U-shaped plate 12 to move in the recessed hole 202, and the side wall of the U-shaped plate 12 no longer resists the connecting plate 111, so that the elastic force of the second elastic element 11 pushes the connecting plate 111 to move, and the connecting plate 111 drives the arc tube 501 to resist the limit block 702, so that the limit block 702 moves toward the outside of the plug 2, and during the outward movement of the limit block 702, the stud 4 moves up relative to the threaded tube 5, thereby releasing the fixation between the plug 2 and the socket 3, shortening the disassembly time, reducing the labor intensity during disassembly, improving the disassembly efficiency, and having strong practicality.

[0049] Working principle: When multiple support columns 1 need to be connected, the plug 2 is inserted into the socket 3. When the plug 2 is inserted into the socket 3, the end of the plug 2 exerts a force on the first inclined surface of the limit block 702, so that the limit block 702 is forced to squeeze the first elastic element 701, and the limit block 702 shrinks and enters the limit groove 7. When the end of the inserted support column 1 is connected to the bottom of the inserted support column 1, the limit groove 7 is opposite to the limit hole 201 at this time, and the elastic force of the first elastic element 701 pushes the limit block 702 into the limit hole 201, so as to achieve the initial connection between the support columns 1. The limit block 702 is moved to drive the rack plate 9 to mesh with the moving gear 901, and then the rotating rod 902 on the moving gear 901 drives the sleeve 801 to rotate under the action of the synchronous wheel 903 and the transmission belt 904, and then the sleeve 801 drives the stud 4 to rotate, so that the stud 4 moves downward under the condition of being threadedly connected with the support block 8, so that the stud 4 enters the threaded tube 5, and the support columns 1 are fixed again, thereby improving the fixing effect between the columns. The stud 4 enters the threaded tube 5 and makes the moving rod 162 The fourth elastic element 161 is compressed by the inner wall of the threaded tube 5, so that the moving rod 162 is forced to shrink into the stud 4. In this process, the conical surface of the moving rod 162 is against the second inclined surface of the sliding rod 171, so that the sliding rod 171 moves to the outside of the stud 4 and moves out of the fixing groove 401 to press against the side wall of the threaded tube 5, thereby preventing the stud 4 from loosening under other stress conditions such as earthquakes, thereby improving the fixing effect between the columns; when the column needs to be disassembled and recycled, the finger is placed in the first groove 14, and the outer groove 131 of the pull plate 13 is pulled through By pulling, the pulling plate 13 drives the U-shaped plate 12 to move in the recessed hole 202, and the side wall of the U-shaped plate 12 no longer resists the connecting plate 111, so that the elastic force of the second elastic element 11 pushes the connecting plate 111 to move, and the connecting plate 111 drives the arc tube 501 to resist the limit block 702, so that the limit block 702 moves toward the outside of the plug 2, and during the outward movement of the limit block 702, the stud 4 moves up relative to the threaded tube 5, thereby releasing the fixation between the plug 2 and the socket 3, shortening the disassembly time, reducing the labor intensity during disassembly, improving the disassembly efficiency, and having strong practicality.

[0050] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A lightweight steel structure for a building, comprising a supporting column (1), characterized in that: A plug (2) is arranged on the top of the support column (1), a cavity (6) is arranged in the plug (2), a socket (3) matched with the plug (2) is provided at the bottom of the support column (1), a stud (4) is arranged in the socket (3), a threaded tube (5) for screwing the stud (4) is arranged in the cavity (6), limiting components are arranged on the inner walls on both sides of the socket (3), a limiting hole (201) matched with the limiting component is arranged on the plug (2), a rotating component for driving the stud (4) to rotate is arranged in the support column (1), the limiting component drives the rotating component to work through a transmission mechanism, and a disassembly mechanism for separating the stud (4) and the threaded tube (5) is also arranged on the plug (2); The limiting assembly comprises a limiting groove (7) formed on the inner wall of the socket (3); the inner wall of the limiting groove (7) is connected to a first elastic element (701); one end of the first elastic element (701) away from the inner wall of the limiting groove (7) is connected to a limiting block (702); the limiting block (702) is movably connected in the limiting hole (201); the limiting block (702) is provided with a first inclined surface, and the first inclined surface movably abuts against the plug (2); The rotating assembly comprises a support block (8) fixed in the socket (3), the support block (8) being threadedly connected to the stud (4), a sleeve (801) being rotatably connected to the support block (8) via a bearing, the sleeve (801) being sleeved on the outside of the stud (4), a fixing strip (8011) being arranged on the inner wall of the sleeve (801), and a fixing groove (401) matching with the fixing strip (8011) being provided on the stud (4); The stud (4) is provided with a movable groove (16), the inner wall of the movable groove (16) is provided with a fourth elastic element (161), one end of the fourth elastic element (161) away from the inner wall of the movable groove (16) is provided with a movable rod (162), the movable rod (162) movably abuts against the inner wall of the threaded tube (5), and the stud (4) is further provided with a first sliding groove (17), the first sliding groove (17) is movably connected with a sliding rod (171), and the two ends of the sliding rod (171) are movably abutted against the inner wall of the threaded tube (5) and the outer wall of the movable rod (162), respectively.

2. A lightweight steel structure for building construction according to claim 1, characterized in that: A second slide groove (18) is also provided in the stud (4), and a fifth elastic element (181) is provided on the inner wall of the second slide groove (18). An end of the fifth elastic element (181) away from the inner wall of the second slide groove (18) is connected to a slider (182), and the slider (182) is fixedly connected to a slide rod (171). An end of the slide rod (171) away from the movable groove (16) passes through the fixed groove (401) and extends outward.

3. A lightweight steel structure for building construction according to claim 2, characterized in that: One end of the moving rod (162) connected to the fourth elastic element (161) is arranged in a cone shape, and a second inclined surface is arranged on the sliding rod (171), and the second inclined surface movably abuts against the cone shape.

4. The lightweight steel structure for housing construction according to claim 1 is characterized in that: The transmission mechanism comprises a rack plate (9) fixedly mounted on a limit block (702); an outer wall of the rack plate (9) is meshingly connected with a movable gear (901); the movable gear (901) is rotatably mounted in a support column (1); a rotating rod (902) is connected to the movable gear (901); synchronous wheels (903) are disposed on the rotating rod (902) and the sleeve (801); and a transmission belt (904) is disposed between the two synchronous wheels (903).

5. The lightweight steel structure for housing construction according to claim 4 is characterized in that: The disassembly mechanism comprises a release component and a locking component, the locking component comprises a fixed block (10) fixedly mounted on the inner wall of the cavity (6), the outer walls of the fixed block (10) are both connected to second elastic elements (11), one end of the second elastic element (11) away from the fixed block (10) is connected to a connecting plate (111), the two connecting plates (111) are respectively connected to the outer walls of the threaded tube (5) on both sides, the threaded tube (5) comprises two arc-shaped tubes (501), the two connecting plates (111) are respectively fixedly connected to the arc-shaped tubes (501) on both sides, and the arc-shaped tubes (501) and the limiting block (702) are movably opposed to each other.

6. The lightweight steel structure for housing construction according to claim 5, characterized in that: The release assembly comprises a recessed hole (202) formed on the plug (2), a U-shaped plate (12) being movably connected in the recessed hole (202), inner walls on both sides of the U-shaped plate (12) being movably opposed to two connecting plates (111), support plates (121) being connected to both sides of the U-shaped plate (12), a third elastic element (122) being provided between the support plate (121) and the inner wall of the cavity (6), the release assembly further comprises a pull plate (13) vertically arranged with the U-shaped plate (12), a pull groove (131) being provided on the pull plate (13), and a first groove (14) and a second groove (15) being provided on the support column (1) and cooperating with the pull plate (13), the first groove (14) and the second groove (15) being provided on the upper and lower sides of the support column (1), respectively.

7. The lightweight steel structure for housing construction according to claim 1, characterized in that: The plug (2) is provided with a third groove (19), the inner wall of the third groove (19) is connected to an auxiliary wheel (20) via a rotating shaft, and the auxiliary wheel (20) is movably opposed to the first inclined surface.

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