Multifunctional green assembly type curtain wall

Abstract

The invention relates to the technical field of curtain walls, and discloses a multifunctional green assembly type curtain wall which comprises a window frame, a glass plate is arranged in the window frame, an upper pressing assembly is arranged in the window frame and located on the top of the glass plate, and clamping assemblies are arranged in the window frame and located on the left side and the right side of the glass plate. A lower supporting assembly is arranged in the window frame and located at the bottom of the glass plate, and connecting assemblies are arranged on the left side and the right side of the back of the window frame. The bolt can slide along the first X-axis groove and the second X-axis groove, so that the corner connector can move along the X axis relative to the supporting table and move front and back relative to the bolt, the corner connector can move along the Y axis relative to the supporting table, and the corner connector can move up and down along the Z axis by rotating the threaded rod. When the groove-shaped support is installed in advance, the requirement for the accuracy of the installation position of the groove-shaped support is not high, the groove-shaped support can be installed in the early stage conveniently, the curtain wall can be installed conveniently and rapidly, and the installation efficiency is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of curtain walls, in particular to a multifunctional green assembled curtain wall. Background Art

[0002] Prefabricated curtain wall refers to a type of building curtain wall that is first manufactured in the factory using aluminum alloy or other materials, and then designed, assembled and installed on site. Prefabricated curtain walls are more convenient and quick to install, which can improve the installation efficiency of curtain walls.

[0003] The Chinese patent with application date: 2020-05-21 and publication number: CN111576687A discloses an assembled curtain wall, including a fixed frame, a mounting block, a connecting plate, a glass curtain wall, a mounting groove, a side baffle, a sponge layer, a cover plate and a cross-shaped reinforcing rib; the present invention: through the joint action of the first frame and the second frame in the fixed frame, the mounting block, the connecting plate, the mounting groove and the side baffle on the first frame, the fixed frame of the curtain wall can be fixedly installed on the wall first, and then the glass curtain wall can be assembled, and the installation is convenient; through the action of the sponge layer arranged on the inner side of the side baffle and the sponge layer arranged on the top of the connecting plate, the glass curtain wall is prevented from directly contacting the fixed frame. In addition, through the action of the spring and the pressure plate in the cover plate body, the shaking of the glass curtain wall installed in the fixed frame is reduced, and at the same time, the expansion of the glass curtain wall can be compensated, the probability of self-explosion of the glass curtain wall is reduced, and the safety is improved.

[0004] In this technical solution, the wall is installed by setting the mounting block, but screws or bolts need to be pre-set on the wall to connect with the mounting block. The prefabricated curtain wall is pre-manufactured, and the position of the mounting block is fixed. When pre-setting the screws or bolts on the wall, a large amount of data needs to be measured to ensure that the screws or bolts are compatible with the fixed block. When there is an error in the position of the screws or bolts, it is difficult to adjust the position of the screws or bolts, which affects the normal installation of the curtain wall. In addition, screws or bolts can be set on the wall on site when installing the curtain wall, but this construction method will prolong the installation time of the curtain wall and reduce the installation efficiency of the curtain wall; thus, further improvements can be made. Summary of the invention

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the present invention provides a multifunctional green assembled curtain wall, which has the advantages of fine-adjustable connecting parts between the curtain wall and the wall surface, so that the position of the curtain wall can be fine-adjusted when the curtain wall is installed on site, thereby ensuring the efficiency of curtain wall installation, etc., and solves the problem that errors are prone to occur when bolts or screws are pre-set on the wall surface, making the curtain wall difficult to install.

[0007] (II) Technical solution

[0008] In order to achieve the purpose of fine-tuning the connecting parts between the above-mentioned curtain wall and the wall surface, so that the position of the curtain wall can be fine-adjusted when the curtain wall is installed on site, and the efficiency of the curtain wall installation is guaranteed, the present invention provides the following technical solutions: a multifunctional green assembled curtain wall, including a window frame, a glass plate is arranged inside the window frame, an upper pressing component is arranged inside the window frame and on the top of the glass plate, a clamping component is arranged inside the window frame and on the left and right sides of the glass plate, a lower supporting component is arranged inside the window frame and on the bottom of the glass plate, and connecting components are arranged on the left and right sides of the back of the window frame.

[0009] Preferably, the window frame is composed of two groups of hollow cross beams and two groups of hollow longitudinal beams, and the cross sections of the hollow cross beams and the hollow longitudinal beams are the same; the hollow cross beams and the hollow longitudinal beams both include an outer shell, a fixing plate, a rubber strip and a reinforcement strip, the two groups of the fixing plates are fixedly installed inside the outer shell, the middle part of the fixing plates are inclined, and the two ends are horizontal, the two groups of the rubber strips are respectively fixedly installed at the ends with the smaller spacing between the two groups of fixing plates, and the reinforcement strip array is arranged between the fixing plate and the inner wall of the outer shell; the glass plate is inserted between the two groups of fixing plates, and the rubber strip is attached to the surface of the glass plate.

[0010] Preferably, the upper pressure assembly includes a support plate fixedly installed inside the hollow cross beam, the top of the support plate is rotatably connected to a turntable, two groups of pull rods are hinged at the offset of the top of the turntable, the two groups of pull rods are symmetrical about the center of the circle of the turntable, the other ends of the two groups of pull rods are hinged with slides, the two groups of slides are slidably connected to the upper surfaces of the left and right halves of the support plate, two groups of steel wire ropes are fixedly installed on the opposite sides of the two groups of slides, and a pressure plate is fixedly installed on the two groups of steel wire ropes on the same side, and the pressure plate is slidably connected to the top wall of the hollow cross beam; the hollow Two groups of guide columns are fixedly installed on the top wall of the beam and on both sides of the support plate, the surfaces of the guide columns are slidably connected with mounting plates, the guide columns pass through the mounting plates, an inclined plate is fixedly installed on the top of the mounting plate, the inclined plate is attached to the bottom of the pressure plate, and the opposite sides of the inclined plate and the pressure plate are both inclined surfaces; a plurality of rubber blocks are fixedly installed on the bottom of the mounting plate, an upper buckle plate is fixedly installed on the bottom of the rubber blocks, and the upper buckle plate is attached to the top of the glass plate; a rotating shaft member is passed through the center of the turntable, and the rotating shaft member is used to drive the turntable to rotate.

[0011] Preferably, the rotating shaft member includes a rotating shaft, a threaded portion is provided on the upper half of the rotating shaft, convex strips are provided in an array on the lower half of the rotating shaft, and a hexagonal groove is provided on the top of the rotating shaft; a special-shaped groove is provided through the center of the turntable, and the assembly of the rotating shaft and the convex strip slides in adaptation with the special-shaped groove, an avoidance hole is provided through the rubber block, and the rotating shaft and the convex strip pass through the avoidance hole, a threaded hole is provided at the top of the hollow beam corresponding to the threaded portion, and the rotating shaft is threadedly connected to the hollow beam through the threaded portion.

[0012] Preferably, the upper half of the rubber block is in an inverted "mountain" shape, and the lower half is in an M shape. The middle of the upper half of the rubber block is connected to the middle of the lower half, and an arc-shaped arched portion is provided between the two ends of the lower half of the rubber block.

[0013] Preferably, the clamping assembly comprises two groups of positioning plates fixedly installed inside the hollow longitudinal beam and distributed up and down, a clamping plate is clamped between the two groups of positioning plates, the clamping plate has a T-shaped cross-section, the clamping plate is attached to the side of the glass plate, and sliding columns are arranged in an array on the front and rear sides of the clamping plate; side baffles are attached to the front and rear sides of the clamping plate, the two groups of side baffles are slidably connected to the positioning plate, the surfaces of the two groups of side baffles are arrayed and penetrated, the inclined grooves are arranged in an array corresponding to the sliding columns, and the sliding columns are slidably connected in the inclined grooves, and the tops of the two groups of side baffles are fixedly installed with connecting plates, and the connecting plates are located above the upper positioning plates; sliders are fixedly installed on the opposite sides of the two groups of side baffles, and vertical slide rails are fixedly installed on the front and rear side walls of the hollow longitudinal beam, and the sliders are adapted to slide with the vertical slide rails; longitudinal driving members are arranged at both ends of the assembly of the side baffles and the connecting plates, and the longitudinal driving members are used to drive the assembly of the side baffles and the connecting plates to move along the vertical direction.

[0014] Preferably, the longitudinal driving member includes two groups of roller one arranged above the connecting plate, the two groups of roller one are rotatably connected to the front and rear side walls of the hollow longitudinal beam respectively, the upper surface of the roller one is fitted with an arc plate, the arc plate is fixedly installed on the front and rear side walls of the hollow longitudinal beam, and the steel wire rope passes through between the roller one and the arc plate; two groups of roller two are arranged below the connecting plate, the two groups of roller two are respectively located on the opposite sides of the two groups of side baffles, and the two groups of roller two are respectively rotatably connected to the front and rear side walls of the hollow longitudinal beam, the steel wire rope passes through and is slidably connected to the right half of the connecting plate, and bypasses the lower half of the roller two, and the end of the steel wire rope away from the sliding sheet is fixedly installed on the lower surface of the left half of the connecting plate; an extension plate is fixedly installed on the bottom of the opposite sides of the two groups of side baffles, the extension plate is located above the positioning plate on the lower side, and a spring is fixedly installed between the extension plate and the positioning plate on the lower side.

[0015] Preferably, the lower support assembly includes a lower support seat fixedly mounted inside the hollow cross beam, the lower support seat has a U-shaped cross section, the lower support seat is attached to the bottom of the glass plate, both ends of the lower support seat are slidably connected with adhesive plates, the adhesive plates are bonded to the side of the glass plate, two groups of piston rods distributed up and down are fixedly mounted on the opposite sides of the two groups of adhesive plates, the other ends of the two groups of piston rods are fixedly mounted with piston plates, and a row of oil holes are penetrated through the surface of the piston plate; piston cylinders are fixedly mounted inside both ends of the hollow cross beam, and the piston rods penetrate and slide through the side of the piston cylinder. The piston plate is located inside the piston cylinder, and the piston cylinder is filled with hydraulic oil; an n-shaped sealing plate is sleeved on the outer side of the upper half of the piston plate, and the n-shaped sealing plate has an n-shaped cross-section, and a guide groove is opened on one side of the n-shaped sealing plate, and the guide groove is used to avoid the piston rod; a top plate is longitudinally slidably connected to the upper half of the piston cylinder, and the n-shaped sealing plate is transversely slidably connected to the bottom of the top plate, and an L-shaped plate is fixedly installed on the top of the top plate, and the L-shaped plate is slidably connected to the top of the piston cylinder, and the L-shaped plate is fixedly installed on the bottom of the two groups of side baffles.

[0016] Preferably, the connecting assembly includes a groove-shaped support fixedly mounted on the wall, a threaded rod is arranged inside the groove-shaped support along its length direction, two groups of trapezoidal blocks are slidably connected inside the groove-shaped support, threaded holes are penetrated through the trapezoidal blocks, and the trapezoidal blocks are threadedly connected to the threaded rod; a support is fixedly mounted on the front side of the two groups of trapezoidal blocks, the cross-section of the support is n-shaped, an X-axial groove is penetrated through the top of the support, a pad is slidably connected inside the support, the pad slides along the longitudinal direction, and the middle of the pad slides along its length direction Two X-axial grooves are provided through the support platform, and two groups of cross blocks distributed on the left and right are slidably connected in the two X-axial grooves. A push plate is fixedly installed on the top of the cross block; guide plates are fixedly installed on the top walls at both ends of the support platform, and the push plates are attached to the bottom ends of the guide plates, and the push plates and the guide plates have inclined surfaces on the opposite sides; two groups of angle codes distributed up and down are fixedly installed on the backs of the two groups of hollow longitudinal beams, and the horizontal parts of the angle codes are attached to the top of the support platform, and two groups of Y-axial grooves distributed on the left and right are provided through the top of the angle code, and the Y-axial grooves are used to pass bolts.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the present invention provides a multifunctional green assembled curtain wall having the following features:

[0019] Beneficial effects:

[0020] 1. The multifunctional green assembled curtain wall fits the horizontal part of the angle code on the top of the support platform, and passes two bolts through two groups of Y-axial grooves, and the two bolts pass through the X-axial groove 1 and the X-axial groove 2 in turn. The bolts can slide along the X-axial groove 1 and the X-axial groove 2, so that the angle code can move relative to the support platform along the X-axis, and through the Y-axial groove opened on the angle code, the angle code can move forward and backward relative to the bolt, so that the angle code can move relative to the support platform along the Y-axis. Finally, by rotating the threaded rod, the two groups of trapezoidal blocks move up and down synchronously, so that the support platform and the angle code move up and down synchronously, so that the angle code can move up and down along the Z-axis; therefore, when installing the window frame, the position of the window frame can be fine-tuned in the X, Y, and Z-axis directions, and when the groove-type support is pre-installed, the accuracy of the installation position of the groove-type support is not required to be high, which is convenient for the early installation of the groove-type support, making the installation of the curtain wall convenient and fast, and ensuring the installation efficiency;

[0021] 2. The multifunctional green assembled curtain wall fits the horizontal part of the angle code on the top of the bracket, and passes two bolts through two groups of Y-axial grooves, and the two bolts pass through the X-axial groove 1 and the X-axial groove 2 in turn, and screws the nuts on the bolts from the bottom of the pad, and as the nuts move up along the bolts, the X-axial groove 2 gradually moves up, and the guide plate squeezes the push plate to make the two groups of push plates close to each other; because two groups of angle codes are placed on the top of each bracket, the two adjacent window frames on the left and right are installed on the same bracket through the angle codes, and as the two groups of push plates approach each other, the two bolts on the outermost sides are clamped and squeezed, so that the angle codes on the back of the two groups of window frames are close to each other, so that the two adjacent window frames on the left and right fit together; finally, by rotating the threaded rod, the two groups of trapezoidal blocks move up and down synchronously, so that the two adjacent window frames above and below fit each other; thereby achieving the purpose of ensuring that the window frame fits closely with the window frames around it when installing it, and ensuring that the curtain wall forms a sealed wall surface;

[0022] 3. The multifunctional green assembled curtain wall is clamped on the upper and lower sides of the glass plate by the upper buckle plate and the lower bracket. During transportation, when the window frame vibrates up and down, the wool strips arranged on the bottom wall of the lower bracket and the rubber blocks on the top of the upper buckle plate are used to buffer the vibration of the glass plate in the up and down directions. Then, two sets of clamping plates are attached to the left and right sides of the glass plate. When the glass plate vibrates in the left and right directions, the clamping plates are driven to move horizontally, and are connected in the inclined groove by sliding columns, driving the side baffles to move up and down, and then the left and right vibrations of the glass plate are buffered by the elasticity of the spring. At the same time, when the glass plate vibrates in the left and right directions, the assembly of the bonding plate, the piston rod and the piston plate is driven to move left and right. When the piston plate slides inside the piston cylinder, the hydraulic oil flows through the oil hole, generating resistance to the sliding action of the piston plate, thereby suppressing the left and right vibrations of the glass plate. Thus, the vibration reduction of the glass plate is achieved during transportation.

[0023] 4. The multifunctional green assembled curtain wall, when the turntable rotates, pulls the sliding piece through the pull rod, so that the two groups of sliding pieces move toward each other, and pulls the wire rope to drive the pressure plate to approach the supporting plate, and the pressure plate squeezes the inclined plate downward, so that the installation plate moves downward along the guide column, and the rubber block is squeezed, reducing the deformability of the rubber block in the vertical direction; while increasing the clamping force of the upper buckle plate and the lower bracket on the glass plate from the vertical direction, the rubber block has a certain elasticity to ensure the expansion of the glass plate; when the sliding piece pulls the wire rope, the wire rope is turned by rollers 1 and 2, so that the wire rope pulls the connecting plate downward, driving the two groups of side baffles to move downward, and the side baffles are located at the inner wall of the inclined groove to squeeze the sliding column, thereby driving the two groups of clamping plates to approach the glass plate, so as to stably clamp the glass plate from the left and right sides; before installing the window frame, the purpose of stably fixing the glass plate is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of the three-dimensional structure of a multifunctional green assembled curtain wall proposed by the present invention;

[0025] Figure 2 This is a schematic diagram of the three-dimensional structure of a multifunctional green assembled curtain wall proposed by the present invention after removing the window frame and connecting components;

[0026] Figure 3 A schematic diagram of the cross-sectional structure of a hollow horizontal beam or a hollow longitudinal beam of a window frame of a multifunctional green assembled curtain wall proposed by the present invention;

[0027] Figure 4 A schematic diagram of the three-dimensional structure of an upper pressing component of a multifunctional green assembled curtain wall proposed by the present invention;

[0028] Figure 5 A schematic diagram of the rubber block structure of a multifunctional green assembled curtain wall proposed by the present invention;

[0029] Figure 6 This is a schematic diagram of the three-dimensional structure of the rotating shaft of the upper pressure assembly of a multifunctional green assembled curtain wall proposed by the present invention;

[0030] Figure 7 A schematic diagram of the three-dimensional structure of a clamping assembly of a multifunctional green assembled curtain wall proposed by the present invention;

[0031] Figure 8 A schematic diagram of a three-dimensional exploded structure of a clamping assembly of a multifunctional green assembled curtain wall proposed by the present invention;

[0032] Fig. 9 A schematic diagram of the three-dimensional structure of a lower support assembly of a multifunctional green assembled curtain wall proposed by the present invention;

[0033] Fig.10A schematic diagram of the three-dimensional structure of a connection assembly of a multifunctional green assembled curtain wall proposed by the present invention;

[0034] Fig.11 The present invention provides a schematic diagram of a three-dimensional cross-sectional structure of a support platform of a multifunctional green assembled curtain wall.

[0035] In the figure: 100, window frame; 200, glass plate; 300, upper pressing assembly; 400, clamping assembly; 500, lower supporting assembly; 600, connecting assembly;

[0036] 101. housing; 102. fixing plate; 103. rubber strip; 104. reinforcement strip;

[0037] 301, support plate; 302, turntable; 303, pull rod; 304, slide; 305, wire rope; 306, pressure plate; 307, guide column; 308, mounting plate; 309, tilting plate; 310, rubber block; 311, upper buckle plate; 312, rotating shaft; 313, threaded part; 314, convex strip; 315, hexagonal groove;

[0038] 401, positioning plate; 402, clamping plate; 403, sliding column; 404, side baffle; 405, inclined groove; 406, connecting plate; 407, slider; 408, vertical slide rail; 409, roller 1; 410, arc plate; 411, roller 2; 412, extension plate; 413, spring;

[0039] 501, lower support seat; 502, bonding plate; 503, piston rod; 504, piston plate; 505, oil hole; 506, piston cylinder; 507, n-shaped sealing plate; 508, guide groove; 509, top plate; 510, L-shaped plate;

[0040] 601, slotted support; 602, threaded rod; 603, trapezoidal block; 604, support platform; 605, X-axial slot one; 606, pad; 607, X-axial slot two; 608, cross block; 609, push plate; 610, guide plate; 611, angle code; 612, Y-axial slot. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] See also Figure 1-Figure 2A multifunctional green assembled curtain wall includes a window frame 100, a glass plate 200 is arranged inside the window frame 100, an upper pressing component 300 is arranged inside the window frame 100 and on the top of the glass plate 200, a clamping component 400 is arranged inside the window frame 100 and on both sides of the glass plate 200, a lower supporting component 500 is arranged inside the window frame 100 and on the bottom of the glass plate 200, and a connecting component 600 is arranged on both sides of the left and right sides of the back of the window frame 100.

[0043] See also Figure 3 The window frame 100 is composed of two groups of hollow cross beams and two groups of hollow longitudinal beams. The cross sections of the hollow cross beams and the hollow longitudinal beams are the same. The hollow cross beams and the hollow longitudinal beams are cut from aluminum profiles. The hollow cross beams and the hollow longitudinal beams each include a shell 101, a fixing plate 102, a rubber strip 103 and a reinforcing strip 104. One side of the assembly of the shell 101, the fixing plate 102 and the reinforcing strip 104 has an opening, through which the glass plate 200 can be inserted. Two groups of fixing plates 102 are fixedly installed inside the shell 101, the middle part of the fixing plates 102 is inclined, and the two ends are horizontal, the two groups of rubber strips 103 are respectively fixedly installed at the ends with smaller spacing between the two groups of fixing plates 102, and the reinforcement strips 104 are arranged in an array between the fixing plates 102 and the inner wall of the shell 101; the glass plate 200 is inserted between the two groups of fixing plates 102, and the rubber strips 103 are attached to the surface of the glass plate 200 to seal the gap between the glass plate 200 and the fixing plate 102, and the glass plate 200 is limited and supported by the rubber strips 103.

[0044] See also Figure 4-Figure 6 The upper pressure assembly 300 includes a support plate 301 fixedly installed inside the hollow crossbeam, and a turntable 302 is rotatably connected to the top of the support plate 301. Two groups of pull rods 303 are hinged at the top bias of the turntable 302. The two groups of pull rods 303 are symmetrical about the center of the turntable 302. The other ends of the two groups of pull rods 303 are hinged with slides 304. The two groups of slides 304 are slidably connected to the upper surfaces of the left and right halves of the support plate 301, so that when the turntable 302 is rotated, the two groups of slides 304 are driven to move toward or away from each other along the support plate 301 through the connecting action of the pull rods 303.

[0045] Two groups of steel wire ropes 305 are fixedly installed on the opposite sides of the two groups of slides 304, and a pressure plate 306 is fixedly installed on the two groups of steel wire ropes 305 on the same side. The pressure plate 306 is slidably connected to the top wall of the hollow beam; therefore, when the two groups of slides 304 move toward each other, the pressure plate 306 is moved closer to the support plate 301 along the top wall of the hollow beam through the connecting action of the steel wire ropes 305.

[0046] Two sets of guide columns 307 are fixedly installed on the top wall of the hollow beam and on both sides of the support plate 301. The surfaces of the guide columns 307 are slidably connected to the mounting plates 308. The guide columns 307 penetrate the mounting plates 308. The mounting plates 308 are guided by the guide columns 307 so that the mounting plates 308 can move in the vertical direction.

[0047] An inclined plate 309 is fixedly installed on the top of the mounting plate 308, and the inclined plate 309 is attached to the bottom of the pressing plate 306, and the opposite sides of the inclined plate 309 and the pressing plate 306 are both inclined surfaces; when the pressing plate 306 approaches the support plate 301, the pressing plate 306 pushes the assembly of the inclined plate 309 and the mounting plate 308 downward.

[0048] A plurality of rubber blocks 310 are fixedly installed at the bottom of the mounting plate 308, and an upper buckle plate 311 is fixedly installed at the bottom of the rubber block 310. The cross section of the upper buckle plate 311 is n-shaped, and the upper buckle plate 311 is attached to the top of the glass plate 200; the upper half of the rubber block 310 is in an inverted "mountain" shape, and the lower half is in an M shape. The middle part of the upper half of the rubber block 310 is connected to the middle part of the lower half, and an arc-shaped arched portion is provided between the two ends of the lower half of the rubber block 310. Therefore, when the mounting plate 308 moves downward, the upper half of the rubber block 310 presses its lower half downward, so that the middle part of the M-shaped lower half of the rubber block 310 is subjected to a downward extrusion force, and both sides of the lower half are clamped by the inverted "mountain"-shaped upper half of the rubber block 310, so that the middle part of the rubber block 310 becomes firm, reducing the deformable amount of the rubber block 310 in the vertical direction, ensuring the extrusion force of the upper buckle plate 311 on the glass plate 200, and reserving the expansion amount of the glass plate 200.

[0049] See also Figure 6 , a rotating shaft is provided through the center of the turntable 302, and the rotating shaft is used to drive the turntable 302 to rotate. The rotating shaft includes a rotating shaft 312, a threaded portion 313 is provided on the upper half of the rotating shaft 312, a convex strip 314 is provided in an array on the lower half of the rotating shaft 312, and a hexagonal groove 315 is provided on the top of the rotating shaft 312; a special-shaped groove is provided through the center of the turntable 302, and the assembly of the rotating shaft 312 and the convex strip 314 is adapted to slide with the special-shaped groove, so that when the rotating shaft 312 rotates, the turntable 302 is driven to rotate, and the rotating shaft 312 can slide downward relative to the turntable 302 during the rotation process. An avoidance hole is provided through the rubber block 310, and the rotating shaft 312 and the convex strip 314 pass through the avoidance hole. A threaded hole is provided at the top of the hollow crossbeam corresponding to the threaded portion 313, and the rotating shaft 312 is threadedly connected to the hollow crossbeam through the threaded portion 313. When the hexagonal rod is inserted into the hexagonal groove 315 and the rotating shaft 312 is rotated, the threaded portion 313 cooperates with the threaded hole of the hollow beam to make the rotating shaft 312 move downward while rotating.

[0050] See also Figure 7-Figure 8The clamping assembly 400 includes two sets of positioning plates 401 fixedly installed inside the hollow longitudinal beam and distributed up and down, and a clamping plate 402 is clamped between the two sets of positioning plates 401, and the clamping plate 402 is limited from the upper and lower sides to inhibit the clamping plate 402 from moving up and down. The cross section of the clamping plate 402 is T-shaped, and the clamping plate 402 is attached to the side of the glass plate 200. The front and rear sides of the clamping plate 402 are both arrayed with sliding columns 403;

[0051] The front and rear sides of the clamping plate 402 are both fitted with side baffles 404, and the two groups of side baffles 404 are slidably connected to the positioning plate 401. The two groups of side baffles 404 are used to limit the clamping plate 402 from the front and rear sides, and cooperate with the two groups of positioning plates 401 to limit the clamping plate 402 from the top and bottom sides, so that the clamping plate 402 can only move left and right along the gap between the two groups of side baffles 404.

[0052] The surfaces of the two sets of side baffles 404 are both provided with an array of inclined grooves 405, which correspond one to one with the sliding posts 403, and the sliding posts 403 are slidably connected in the inclined grooves 405. When the side baffles 404 slide up and down relative to the positioning plate 401, the side baffles 404 are located at the inner walls of the inclined grooves 405 to squeeze the sliding posts 403, and drive the clamping plate 402 to move left and right between the two sets of side baffles 404.

[0053] A connecting plate 406 is fixedly installed on the top of the two groups of side baffles 404, and the connecting plate 406 is located above the upper positioning plate 401; the two groups of side baffles 404 are connected by the connecting plate 406, so that the two groups of side baffles 404 move up and down synchronously.

[0054] Slide blocks 407 are fixedly installed on the opposite sides of the two sets of side baffles 404. The cross-section of the slide block 407 is T-shaped. Vertical slide rails 408 are fixedly installed on the front and rear side walls of the hollow longitudinal beam. The slide blocks 407 slide in coordination with the vertical slide rails 408. The movement of the side baffles 404 is guided by the cooperation of the slide blocks 407 and the vertical slide rails 408.

[0055] The two ends of the assembly of the side baffle 404 and the connecting plate 406 are provided with longitudinal driving members, which are used to drive the assembly of the side baffle 404 and the connecting plate 406 to move in the vertical direction. The longitudinal driving members include two groups of rollers 409 arranged above the connecting plate 406, and the two groups of rollers 409 are respectively rotatably connected to the front and rear side walls of the hollow longitudinal beam, and the upper surface of the rollers 409 is attached with an arc plate 410, and the arc plate 410 is fixedly installed on the front and rear side walls of the hollow longitudinal beam, and the steel wire rope 305 passes between the rollers 409 and the arc plate 410; the rollers 409 and the arc plate 410 cooperate to limit the steel wire rope 305, so as to prevent the steel wire rope 305 from detaching from the rollers 409 when it is loose.

[0056] Two groups of rollers 411 are provided below the connecting plate 406. The two groups of rollers 411 are respectively located on the opposite sides of the two groups of side baffles 404, and the two groups of rollers 411 are respectively rotatably connected to the front and rear side walls of the hollow longitudinal beam. The wire rope 305 passes through and is slidably connected to the right half of the connecting plate 406, and passes around the lower half of the rollers 411. The end of the wire rope 305 away from the sliding plate 304 is fixedly installed on the lower surface of the left half of the connecting plate 406. When the sliding plate 304 pulls the wire rope 305, the wire rope 305 is turned by the rollers 1 409 and 2 411, so that the wire rope 305 pulls the connecting plate 406 downward, thereby driving the two groups of side baffles 404 to move downward.

[0057] The bottom of the two sets of side baffles 404 are fixedly installed with extension plates 412 on the opposite sides. The extension plates 412 are located above the positioning plate 401 on the lower side. A spring 413 is fixedly installed between the extension plates 412 and the positioning plate 401 on the lower side. When the side baffles 404 move downward, the extension plates 412 press the springs 413 downward, so that the springs 413 accumulate elastic potential energy. When the slide 304 moves away from the support plate 301, the distance between the slide 304 and the roller 1 409 decreases, and then the side baffles 404 are driven to move upward by the spring 413, and the connecting plate 406 pulls the wire rope 305 upward, so that the wire rope 305 between the slide 304 and the connecting plate 406 remains in a taut state.

[0058] See also Fig. 9 The lower supporting assembly 500 includes a lower supporting seat 501 fixedly installed inside the hollow crossbeam. The cross section of the lower supporting seat 501 is U-shaped. The lower supporting seat 501 is attached to the bottom of the glass plate 200. The bottom wall of the lower supporting seat 501 is paved with wool strips, which provide a certain buffering effect.

[0059] Both ends of the lower support seat 501 are slidably connected with an adhesive plate 502, which is adhered to the side of the glass plate 200. Two groups of piston rods 503 distributed up and down are fixedly installed on the opposite sides of the two groups of adhesive plates 502. The other ends of the two groups of piston rods 503 are fixedly installed with a piston plate 504, and a row of oil holes 505 are penetrated through the surface of the piston plate 504; piston cylinders 506 are fixedly installed inside the two ends of the hollow crossbeam, the piston rod 503 penetrates and slides through the side of the piston cylinder 506, the piston plate 504 is located inside the piston cylinder 506, and the piston cylinder 506 is filled with hydraulic oil; therefore, when the glass plate 200 shakes left and right, the assembly of the adhesive plate 502, the piston rod 503 and the piston plate 504 is driven to move left and right, and the piston plate 504 slides left and right inside the piston cylinder 506. When the hydraulic oil passes through the oil holes 505, it generates resistance to the movement of the piston plate 504, thereby suppressing the shaking of the glass plate 200.

[0060] An n-shaped sealing plate 507 is sleeved on the outer side of the upper half of the piston plate 504. The cross section of the n-shaped sealing plate 507 is n-shaped. A guide groove 508 is opened on one side of the n-shaped sealing plate 507. The guide groove 508 is used to avoid the piston rod 503. A top plate 509 is longitudinally slidably connected in the upper half of the piston cylinder 506. The n-shaped sealing plate 507 is slidably connected to the bottom of the top plate 509 horizontally, so that the n-shaped sealing plate 507 can move up and down with the top plate 509, and the n-shaped sealing plate 507 can slide left and right relative to the top plate 509. An L-shaped plate 510 is fixedly installed on the top of the top plate 509. The L-shaped plate 510 is slidably connected to the top of the piston cylinder 506. The L-shaped plate 510 is fixedly installed at the bottom of the two sets of side baffles 404. When the side baffles 404 move downward, the assembly of the L-shaped plate 510, the top plate 509 and the n-shaped sealing plate 507 moves downward, and the n-shaped sealing plate 507 seals the oil hole 505. At this time, when the piston plate 504 moves left and right, it squeezes the hydraulic oil, and through the hydraulic action, the assembly of the piston plate 504, the piston rod 503 and the adhesive plate 502 is suppressed from moving left and right.

[0061] See also Figure 10-11 The connection component 600 includes a groove-shaped support 601 fixedly installed on the wall, a threaded rod 602 is arranged inside the groove-shaped support 601 along its length direction, two groups of trapezoidal blocks 603 are slidably connected inside the groove-shaped support 601, threaded holes are opened through the trapezoidal blocks 603, and the trapezoidal blocks 603 are threadedly connected to the threaded rod 602; thereby, by rotating the threaded rod 602, the two groups of trapezoidal blocks 603 are driven to move up and down synchronously to adjust the height of the two groups of trapezoidal blocks 603.

[0062] The front sides of the two sets of trapezoidal blocks 603 are fixedly installed with a support 604, the cross section of the support 604 is n-shaped, and an X-axial groove 605 is opened through the top of the support 604. Two sets of angle brackets 611 distributed up and down are fixedly installed on the backs of the two sets of hollow longitudinal beams. The horizontal part of the angle bracket 611 fits on the top of the support 604, and each support 604 fits on the top of the two sets of angle brackets 611. The top of the angle bracket 611 is penetrated by two sets of Y-axial grooves 612 distributed left and right, and the Y-axial groove 612 is used to pass the bolt. Therefore, the bolt slides along the Y-axial groove 612, so that the bolt can slide forward and backward relative to the angle bracket 611. The bolt penetrates and is inserted into the X-axial groove 605, and can slide along the X-axial groove 605; so that the angle bracket 611 can move left and right, forward and backward relative to the support 604, and then cooperate with the trapezoidal block 603 to slide up and down, so that the support 604 can move up and down. So that the angle bracket 611 can move in the X, Y, and Z axial directions. Thereby, the position of one of the window frames 100 is adjusted to fit with the window frames 100 around it.

[0063] A backing plate 606 is slidably connected inside the support 604. The backing plate 606 slides in the longitudinal direction. An X-axial groove 607 is provided in the middle of the backing plate 606 along its length direction. The X-axial groove 607 is located directly below the X-axial groove 1 605. The bolt passes through the X-axial groove 607. Two groups of cross blocks 608 distributed on the left and right are slidably connected inside the X-axial groove 607. The cross block 608 is in a "cross" shape and is adapted to the X-axial groove 607. A push plate 609 is fixedly installed on the top of the cross block 608. An arc groove adapted to the circumferential surface of the bolt is provided in the middle of the opposite side of the two groups of push plates 609, so that the push plates 609 can fit tightly on the surface of the bolt. Guide plates 610 are fixedly installed on the top walls at both ends of the support 604, and the push plate 609 is attached to the bottom of the guide plate 610. The push plate 609 and the opposite side of the guide plate 610 are both inclined surfaces; therefore, when the nut is screwed on the bottom of the bolt, as the nut moves up along the bolt, the pad 606 is pushed up, so that the guide plate 610 squeezes the push plate 609 inward, so that the two groups of push plates 609 are respectively attached to the two groups of bolts on the outermost sides, thereby further limiting and fixing the bolts.

[0064] When in use, the upper and lower sides of the glass plate 200 are clamped by the upper buckle plate 311 and the lower bracket 501. During transportation, when the window frame 100 vibrates up and down, the wool strips arranged on the bottom wall of the lower bracket 501 and the rubber block 310 on the top of the upper buckle plate 311 buffer the vibration of the glass plate 200 in the up and down directions; and then two sets of clamping plates 402 are attached to the left and right sides of the glass plate 200. When the glass plate 200 vibrates in the left and right directions, the clamping plates 402 are driven to move horizontally and slide through the sliding column 403. It is connected in the inclined groove 405, drives the side baffle 404 to move up and down, and then buffers the left and right vibration of the glass plate 200 through the elasticity of the spring 413; at the same time, when the glass plate 200 vibrates in the left and right directions, it drives the assembly of the adhesive plate 502, the piston rod 503 and the piston plate 504 to move left and right. During the sliding process of the piston plate 504 inside the piston cylinder 506, the hydraulic oil flows through the oil hole 505, which generates resistance to the sliding action of the piston plate 504, thereby suppressing the left and right vibration of the glass plate 200;

[0065] Before installing the window frame 100, the hexagonal rod is inserted into the hexagonal groove 315 and the rotating shaft 312 is rotated to drive the rotating disk 302 to rotate. At the same time, the threaded connection between the threaded portion 313 and the threaded hole at the top of the hollow beam is used to make the rotating shaft 312 move downward while rotating until the top of the rotating shaft 312 is flush with the top of the hollow beam, so as to avoid the rotating shaft 312 causing obstruction when the two window frames 100 distributed above and below are fitted together.

[0066] When the turntable 302 rotates, the slide 304 is pulled by the pull rod 303, so that the two sets of slides 304 move toward each other, and the wire rope 305 is pulled to drive the pressure plate 306 to approach the support plate 301. The pressure plate 306 presses the inclined plate 309 downward, so that the mounting plate 308 moves downward along the guide column 307, and the rubber block 310 is squeezed, reducing the deformable amount of the rubber block 310 in the vertical direction; while increasing the clamping force of the upper buckle plate 311 and the lower bracket 501 on the glass plate 200 in the vertical direction, the rubber block 310 has a certain elasticity to ensure the expansion amount of the glass plate 200;

[0067] When the sliding piece 304 pulls the steel wire 305, the steel wire 305 is turned by the roller 1 409 and the roller 2 411, so that the steel wire 305 pulls the connecting plate 406 downward, driving the two sets of side baffles 404 to move downward, and the inner wall of the side baffles 404 located at the inclined groove 405 squeezes the sliding column 403, thereby driving the two sets of clamping plates 402 to approach the glass plate 200, thereby stably clamping the glass plate 200 from the left and right sides;

[0068] When the side baffle 404 moves downward, the assembly of the L-shaped plate 510, the top plate 509 and the n-shaped sealing plate 507 moves downward, and the n-shaped sealing plate 507 seals the oil hole 505, making it difficult for the assembly of the piston plate 504 and the n-shaped sealing plate 507 to slide left and right in the piston cylinder 506, so that the two sets of adhesive plates 502 can stably clamp the glass plate 200.

[0069] After that, the horizontal part of the angle code 611 is attached to the top of the support platform 604, and two bolts are passed through the two groups of Y-axial grooves 612, and the two bolts are passed through the X-axial groove 1 605 and the X-axial groove 2 607 in sequence, and nuts are screwed on the bolts from the bottom of the pad 606. As the nuts move up along the bolts, the X-axial groove 2 607 gradually moves up, and the guide plate 610 squeezes the push plate 609, so that the two groups of push plates 609 are close to each other;

[0070] Since two sets of angle brackets 611 are placed on the top of each support 604, two adjacent window frames 100 on the left and right are installed on the same support 604 through the angle brackets 611, and as the two sets of push plates 609 approach each other, the two bolts on the outermost sides are clamped and squeezed, so that the angle brackets 611 on the backs of the two sets of window frames 100 are close to each other, so that the two adjacent window frames 100 on the left and right are fitted together;

[0071] Finally, by rotating the threaded rod 602, the two sets of trapezoidal blocks 603 are moved up and down synchronously, so that the two upper and lower adjacent window frames 100 are fitted to each other.

[0072] Although 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 multifunctional green assembled curtain wall, comprising a window frame (100), characterized in that: A glass plate (200) is arranged inside the window frame (100), an upper pressing assembly (300) is arranged inside the window frame (100) and located on the top of the glass plate (200), a clamping assembly (400) is arranged inside the window frame (100) and located on both the left and right sides of the glass plate (200), a lower supporting assembly (500) is arranged inside the window frame (100) and located on the bottom of the glass plate (200), and a connecting assembly (600) is arranged on both the left and right sides of the back of the window frame (100).

2. The multifunctional green assembled curtain wall according to claim 1 is characterized in that: The window frame (100) is composed of two groups of hollow cross beams and two groups of hollow longitudinal beams, and the cross sections of the hollow cross beams and the hollow longitudinal beams are the same; The hollow cross beam and the hollow longitudinal beam both comprise an outer shell (101), a fixing plate (102), a rubber strip (103) and a reinforcement strip (104); two groups of the fixing plates (102) are fixedly mounted inside the outer shell (101); the fixing plates (102) are inclined in the middle and horizontal at both ends; the two groups of the rubber strips (103) are respectively fixedly mounted at the ends of the two groups of fixing plates (102) with a smaller spacing; and the reinforcement strips (104) are arranged in an array between the fixing plates (102) and the inner wall of the outer shell (101); The glass plate (200) is inserted between two sets of fixing plates (102), and the rubber strip (103) is attached to the surface of the glass plate (200).

3. The multifunctional green assembled curtain wall according to claim 2 is characterized in that: The upper pressure assembly (300) includes a support plate (301) fixedly installed inside the hollow crossbeam, the top of the support plate (301) is rotatably connected to a turntable (302), two groups of pull rods (303) are hinged at the top bias of the turntable (302), the two groups of pull rods (303) are symmetrical about the center of the circle of the turntable (302), the other ends of the two groups of pull rods (303) are hinged with slides (304), the two groups of slides (304) are slidably connected to the upper surfaces of the left and right halves of the support plate (301), two groups of steel wire ropes (305) are fixedly installed on the opposite sides of the two groups of slides (304), and a pressure plate (306) is fixedly installed on the two groups of steel wire ropes (305) on the same side, and the pressure plate (306) is slidably connected to the top wall of the hollow crossbeam; Two groups of guide columns (307) are fixedly installed on the top wall of the hollow cross beam and on both sides of the support plate (301); the surfaces of the guide columns (307) are slidably connected with mounting plates (308); the guide columns (307) penetrate the mounting plates (308); an inclined plate (309) is fixedly installed on the top of the mounting plates (308); the inclined plate (309) is attached to the bottom of the pressing plate (306); and the opposite sides of the inclined plate (309) and the pressing plate (306) are both inclined surfaces; A plurality of rubber blocks (310) are fixedly mounted on the bottom of the mounting plate (308), an upper buckle plate (311) is fixedly mounted on the bottom of the rubber block (310), and the upper buckle plate (311) is attached to the top of the glass plate (200); A rotating shaft is provided through the center of the rotating disk (302), and the rotating shaft is used to drive the rotating disk (302) to rotate.

4. The multifunctional green assembled curtain wall according to claim 3 is characterized in that: The rotating shaft member comprises a rotating shaft (312), the upper half of the rotating shaft (312) is provided with a threaded portion (313), the lower half of the rotating shaft (312) is provided with convex strips (314) in an array, and the top of the rotating shaft (312) is provided with a hexagonal groove (315); A special-shaped groove is formed through the center of the rotating disk (302), and the assembly of the rotating shaft (312) and the convex strip (314) is adapted to slide in the special-shaped groove. An avoidance hole is formed through the rubber block (310), and the rotating shaft (312) and the convex strip (314) pass through the avoidance hole. A threaded hole is formed at the top of the hollow cross beam corresponding to the threaded portion (313), and the rotating shaft (312) is threadedly connected to the hollow cross beam through the threaded portion (313).

5. The multifunctional green assembled curtain wall according to claim 3 is characterized by: The upper part of the rubber block (310) is in an inverted "mountain" shape, and the lower part is in an M shape. The middle part of the upper part of the rubber block (310) is connected to the middle part of the lower part, and an arc-shaped arched part is provided between the two ends of the lower part of the rubber block (310).

6. The multifunctional green assembled curtain wall according to claim 1 is characterized in that: The clamping assembly (400) comprises two groups of positioning plates (401) fixedly installed inside the hollow longitudinal beam and distributed up and down, a clamping plate (402) is clamped between the two groups of positioning plates (401), the cross section of the clamping plate (402) is T-shaped, the clamping plate (402) is attached to the side of the glass plate (200), and sliding columns (403) are arranged in an array on the front and rear sides of the clamping plate (402); The front and rear sides of the clamping plate (402) are both fitted with side baffles (404), and two groups of the side baffles (404) are slidably connected to the positioning plate (401). The surfaces of the two groups of the side baffles (404) are both arranged with inclined grooves (405) in an array, and the inclined grooves (405) correspond to the sliding columns (403) one by one, and the sliding columns (403) are slidably connected in the inclined grooves (405). The tops of the two groups of the side baffles (404) are fixedly installed with connecting plates (406), and the connecting plates (406) are located above the upper positioning plate (401); Slide blocks (407) are fixedly installed on opposite sides of the two groups of side baffles (404), and vertical slide rails (408) are fixedly installed on the front and rear side walls of the hollow longitudinal beam, and the slide blocks (407) are adapted to slide with the vertical slide rails (408); Longitudinal driving members are provided at both ends of the assembly of the side baffle (404) and the connecting plate (406), and the longitudinal driving members are used to drive the assembly of the side baffle (404) and the connecting plate (406) to move along the vertical direction.

7. The multifunctional green assembled curtain wall according to claim 6 is characterized in that: The longitudinal driving member comprises two groups of rollers (409) arranged above the connecting plate (406), the two groups of rollers (409) are rotatably connected to the front and rear side walls of the hollow longitudinal beam respectively, the upper surface of the rollers (409) is attached with an arc plate (410), the arc plate (410) is fixedly installed on the front and rear side walls of the hollow longitudinal beam, and the steel wire rope (305) passes between the rollers (409) and the arc plate (410); Two groups of rollers (411) are arranged below the connecting plate (406), and the two groups of rollers (411) are respectively located on opposite sides of the two groups of side baffles (404), and the two groups of rollers (411) are respectively rotatably connected to the front and rear side walls of the hollow longitudinal beam, and the steel wire rope (305) passes through and is slidably connected to the right half of the connecting plate (406), and passes around the lower half of the rollers (411), and one end of the steel wire rope (305) away from the sliding sheet (304) is fixedly installed on the lower surface of the left half of the connecting plate (406); An extension plate (412) is fixedly installed at the bottom of the opposite sides of the two groups of side baffles (404), and the extension plate (412) is located above the positioning plate (401) on the lower side. A spring (413) is fixedly installed between the extension plate (412) and the positioning plate (401) on the lower side.

8. The multifunctional green assembled curtain wall according to claim 1 is characterized in that: The lower supporting assembly (500) comprises a lower supporting seat (501) fixedly mounted inside the hollow cross beam, the lower supporting seat (501) having a U-shaped cross section, the lower supporting seat (501) being attached to the bottom of the glass plate (200), both ends of the lower supporting seat (501) being slidably connected with adhesive plates (502), the adhesive plates (502) being adhered to the side of the glass plate (200), two groups of piston rods (503) distributed up and down being fixedly mounted on opposite sides of the two groups of adhesive plates (502), the other ends of the two groups of piston rods (503) being fixedly mounted with piston plates (504), and a row of oil holes (505) being provided through the surface of the piston plate (504); A piston cylinder (506) is fixedly installed inside both ends of the hollow cross beam, the piston rod (503) penetrates and is slidably connected to the side of the piston cylinder (506), the piston plate (504) is located inside the piston cylinder (506), and the piston cylinder (506) is filled with hydraulic oil; An n-shaped sealing plate (507) is sleeved on the outer side of the upper half of the piston plate (504), the n-shaped sealing plate (507) has an n-shaped cross section, and a guide groove (508) is provided through one side of the n-shaped sealing plate (507), and the guide groove (508) is used to avoid the piston rod (503); A top plate (509) is longitudinally slidably connected to the upper half of the piston cylinder (506), the n-shaped sealing plate (507) is transversely slidably connected to the bottom of the top plate (509), an L-shaped plate (510) is fixedly installed on the top of the top plate (509), the L-shaped plate (510) penetrates and is slidably connected to the top of the piston cylinder (506), and the L-shaped plate (510) is fixedly installed on the bottom of the two sets of side baffles (404).

9. The multifunctional green assembled curtain wall according to claim 1 is characterized in that: The connection assembly (600) comprises a groove-shaped support (601) fixedly mounted on a wall surface, a threaded rod (602) is arranged inside the groove-shaped support (601) along its length direction, two groups of trapezoidal blocks (603) are slidably connected inside the groove-shaped support (601), threaded holes are formed through the trapezoidal blocks (603), and the trapezoidal blocks (603) are threadedly connected to the threaded rod (602); A support platform (604) is fixedly installed on the front side of the two groups of trapezoidal blocks (603). The cross section of the support platform (604) is n-shaped. An X-axial groove (605) is opened through the top of the support platform (604). A pad (606) is slidably connected inside the support platform (604). The pad (606) slides along the longitudinal direction. An X-axial groove (607) is opened through the middle of the pad (606) along its length direction. Two groups of cross blocks (608) distributed on the left and right are slidably connected inside the X-axial groove (607). A push plate (609) is fixedly installed on the top of the cross block (608); Guide plates (610) are fixedly mounted on the top walls of both ends of the support platform (604), the push plate (609) is attached to the bottom end of the guide plate (610), and the opposite sides of the push plate (609) and the guide plate (610) are both inclined surfaces; Two groups of vertically distributed angle brackets (611) are fixedly installed on the back of the two groups of hollow longitudinal beams. The horizontal part of the angle bracket (611) is attached to the top of the support platform (604). Two groups of Y-axial grooves (612) distributed on the left and right are opened through the top of the angle bracket (611). The Y-axial grooves (612) are used to pass bolts.

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