Building stair rapid assembly formwork supporting structure

Abstract

The utility model is applicable to the technical field of staircase assembly, and provides a building staircase rapid assembly template supporting structure which comprises a base, a template, a template and a template, the supporting assembly comprises a first screw rotationally arranged on the side plate, two first threaded blocks, two second threaded blocks and two third threaded blocks are sequentially arranged on the first screw in a penetrating mode, a first top plate, a second top plate and a third top plate are sequentially arranged above the first screw, a first connecting rod is rotationally arranged between the first top plate and the first threaded blocks, and a second connecting rod is rotationally arranged between the second top plate and the second threaded blocks; a second connecting rod is rotatably arranged between the second top plate and the second threaded block, a third connecting rod is rotatably arranged between the third top plate and the third threaded block, the second screw rod is rotatably arranged on the middle plate, a fourth threaded block is arranged on the second screw rod, and a fourth connecting rod is rotatably arranged between the fourth threaded block and the side plate. Therefore, the angle of the telescopic plate can be adjusted, the distance between the two side plates can be adjusted, and the applicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to stair assembling technical field especially relates to a building stair rapid assembly formwork support structure. BACKGROUND

[0002] Stairs are the components used for vertical traffic between different floors in buildings, and are used for traffic connection between floors. The stairs are generally made of concrete pouring, and the pouring formwork is erected according to the size of the stairs before pouring, then the concrete is poured in the formwork, and after the concrete is dry and formed, the formwork is removed, and the stairs are erected.

[0003] The stair pouring formwork needs to be supported during use, for example, a novel stair concrete pouring formwork reinforcing support structure with publication number CN218406485U, which comprises a pouring formwork assembly, the pouring formwork assembly comprises an inclined support plate and a vertical stop plate, one end of the top of the inclined support plate is provided with a vertical stop plate, the top of the inclined support plate is provided with a first moving mechanism for moving the vertical stop plate; the bottom of the inclined support plate is also provided with a bottom support plate, and the inside of the bottom support plate is slidably connected with a rectangular sliding column at both ends, which can not only limit the width of the stairs, but also ensure good supporting strength, but the above-mentioned device is inconvenient to adjust the inclination of the support plate, and is inconvenient to use.

[0004] From the above, it can be seen that the prior art has obvious inconvenience and defects in actual use, so it is necessary to improve. UTILITY MODEL CONTENT

[0005] In view of the above defects, the purpose of the utility model is to provide a building stair rapid assembly formwork support structure, which is simple in structure and convenient to use, can adjust the angle of the telescopic plate and the distance between the two side plates, improve the applicability of the device, and can lock the first screw rod and the second screw rod, ensure the safety in use.

[0006] In order to achieve the above object, the utility model provides a kind of building stair rapid assembly formwork support structure, comprising: pedestal, it includes two side plates and intermediate plate, two the slidingly equipped intermediate plate between the side plate, the top of the side plate is rotatably equipped with telescopic plate;Supporting assembly, it includes first screw rod and second screw rod, the first screw rod is rotatably equipped on side plate, two first threaded blocks, two second threaded blocks and two third threaded blocks are sequentially equipped on the first screw rod, first top plate, second top plate and third top plate are sequentially equipped above the first screw rod, first connecting rod is rotatably equipped between the first top plate and first threaded block, second connecting rod is rotatably equipped between the second top plate and second threaded block, third connecting rod is rotatably equipped between the third top plate and third threaded block, the second screw rod is rotatably equipped between intermediate plate, two pairs of fourth threaded blocks are equipped on the second screw rod, fourth connecting rod is rotatably equipped between the fourth threaded block and side plate.

[0007] According to the building stair rapid assembly formwork support structure of the utility model, one end of the first screw rod is connected with the first ratchet after being penetrated through the side plate, the first fixed shaft is equipped on the side plate, and the first pawl is detachably equipped on the first fixed shaft.

[0008] According to the building stair rapid assembly formboard support structure of the utility model, one end of the second screw rod is connected with the second ratchet after being penetrated through the intermediate plate, the second fixed shaft is equipped on the intermediate plate, and the second pawl is detachably connected on the second fixed shaft.

[0009] According to the building stair rapid assembly formwork support structure of the utility model, a plurality of limiting rods are equipped on the side plate and penetrated through the first threaded block, the second threaded block and the third threaded block.

[0010] According to the building stair rapid assembly formwork support structure of the utility model, the distance between two first threaded blocks is greater than the distance between two second threaded blocks, and the distance between two second threaded blocks is greater than the distance between two third threaded blocks.

[0011] According to the building stair rapid assembly formwork support structure of the utility model, the intermediate plate is provided with a relief groove matched with the first screw rod.

[0012] The utility model discloses a building stair rapid assembly template support structure provides, through setting up support subassembly, can conveniently and quickly adjust the angle of telescopic board, can also provide multiple point support for telescopic board, strengthen the support ability of this device, improve the security of this device, through setting up side plate and intermediate plate, can adjust the distance between two side plates according to the width of stair mould, improve the applicability of this device, can also make two side plates close to each other when idle, reduce the floor area, through setting up first ratchet wheel, first pawl, second ratchet wheel and second pawl, can effectively lock first screw rod and second screw rod, avoid appearing mistake rotation. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the external structure schematic diagram of the utility model,

[0014] Fig. 2 It is the internal structure section view of the utility model,

[0015] Fig. 3 It is the bottom view of the utility model,

[0016] In the drawing: 1 - base, 11 - side plate, 12 - intermediate plate, 13 - avoiding groove, 14 - telescopic board, 2 - support subassembly, 21 - first screw rod, 211 - belt, 212 - first ratchet wheel, 22 - first threaded block, 221 - first top plate, 222 - first connecting rod, 23 - second threaded block, 231 - second top plate, 232 - second connecting rod, 24 - third threaded block, 241 - third top plate, 242 - third connecting rod, 25 - second screw rod, 251 - second ratchet wheel, 26 - fourth threaded block, 261 - fourth connecting rod, 27 - limiting rod, DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following is in conjunction with the drawing, and the utility model is further detailedly explained.It should be understood that the specific embodiment described here is only used to explain the utility model, and is not used to limit the utility model.

[0018] See Figs. 1-3The utility model provides a kind of building stair rapid assembly formwork support structure, including pedestal 1 and support assembly 2, pedestal 1 includes two side plates 11 and two middle plates 12, side plate 11 is C-shaped, and two side plates 11 are oppositely arranged, and middle plate 12 is equipped at both ends of side plate 11, middle plate 12 is slidably connected side plate 11, and middle plate 12 both ends are inserted into side plate 11.

[0019] Referring to Figs. 1-3 Support assembly 2 includes first screw rod 21 and second screw rod 25, first screw rod 21 is rotatably arranged in side plate 11, and belt 211 is arranged between two first screw rods 21, so that two first screw rods 21 can rotate synchronously. Two first threaded blocks 22, two second threaded blocks 23 and two third threaded blocks 24 are sequentially arranged on first screw rod 21, and opposite threads are arranged on two first threaded blocks 22, two second threaded blocks 23 and two third threaded blocks 24. When first screw rod 21 rotates, two first threaded blocks 22, two second threaded blocks 23 and two third threaded blocks 24 can move towards each other (or away from each other). The distance between two first threaded blocks 22 is greater than the distance between two second threaded blocks 23, and the distance between two second threaded blocks 23 is greater than the distance between two third threaded blocks 24. First top plate 221, second top plate 231 and third top plate 241 are sequentially arranged above first screw rod 21, first connecting rod 222 is rotatably arranged between first top plate 221 and first threaded block 22 (i.e. one end of first connecting rod 222 is rotatably connected to first threaded block 22, and the other end of first connecting rod 222 is rotatably connected to first top plate 221), second connecting rod 232 is rotatably arranged between second top plate 231 and second threaded block 23 (connection mode is the same as first connecting rod 222), and third connecting rod 242 is rotatably arranged between third top plate 241 and third threaded block 24 (connection mode is the same as first connecting rod 222). When two first threaded blocks 22, two second threaded blocks 23 and two third threaded blocks 24 move towards each other, first top plate 221, second top plate 231 and third top plate 241 can move upwards. By adjusting the distance between two first threaded blocks 22, the distance between two second threaded blocks 23 and the distance between two third threaded blocks 24, first top plate 221, second top plate 231 and third top plate 241 can always be on the same straight line during operation.

[0020] Referring to Figs. 1-3, the second screw rod 25 is rotatably arranged between the two intermediate plates 12, the second screw rod 25 is provided with two pairs of fourth threaded blocks 26, when the second screw rod 25 rotates, the two fourth threaded blocks 26 in the same pair can be driven to approach each other (or away from each other), the fourth connecting rod 261 is rotatably arranged between the fourth threaded block 26 and the side plate 11 (that is, one end of the fourth connecting rod 261 is rotatably connected with the fourth threaded block 26, and the other end of the fourth connecting rod 261 is rotatably connected with the side plate 11), when the two fourth threaded blocks 26 in the same pair approach each other, the distance between the two side plates 11 increases; when the two fourth threaded blocks 26 in the same pair move away from each other, the distance between the two side plates 11 decreases, which can improve the applicability of the device and make the device adapt to stair templates of different widths.

[0021] Referring to Figs. 1-3 , preferably, one end of the first screw rod 21 penetrates out of the side plate 11 and is connected with the first ratchet wheel 212, the side plate 11 is provided with a first fixed shaft, the first fixed shaft is detachably connected with the first pawl matched with the first ratchet wheel 212, and the first pawl matched with the first ratchet wheel 212 can avoid misrotation of the first screw rod 21; one end of the second screw rod 25 penetrates through the intermediate plate 12 and is connected with the second ratchet wheel 251, the intermediate plate 12 is provided with a second fixed shaft, and the second fixed shaft is detachably connected with the second pawl matched with the second ratchet wheel 251, the second pawl matched with the second ratchet wheel 251 can avoid misrotation of the second screw rod 25, which can enhance the supporting capacity of the device and improve the safety of the device.

[0022] Referring to Fig. 1 and Fig. 3 , preferably, the intermediate plate 12 is provided with an avoiding groove 13 matched with the first screw rod 25, which ensures smooth operation of the device.

[0023] Referring to Figs. 1-3 , preferably, the side plate 11 is provided with a plurality of limiting rods 27 penetrating through the first threaded block 22, the second threaded block 23 and the third threaded block 24, which can improve the smoothness of movement of the first threaded block 22, the second threaded block 23 and the third threaded block 24, and ensure smooth operation of the device.

[0024] Referring to Fig. 1 , preferably, one end of the first screw rod 21 penetrating out of the side plate 11 and one end of the second screw rod 25 penetrating through the intermediate plate 12 are provided with square grooves, which facilitates rotation of the first screw rod 21 and the second screw rod 25.

[0025] In the implementation process of the utility model, the user first adjusts the distance between the two side plates 11 according to the width of the stair template, rotates the second screw rod 25, and makes the two fourth threaded blocks 26 of the same pair close to each other, under the action of the fourth connecting rod 261, the distance between the two side plates 11 is increased, and the expansion plate 14 moves synchronously with the side plate 11, when the adjustment is completed, the second pawl is installed on the second fixed shaft, at this time, the second pawl cooperates with the second ratchet wheel 251, which can avoid the misrotation of the second screw rod 251 (when the expansion plate 14 is installed on the stair mold and the concrete is poured into the stair mold, under the action of the fourth connecting rod 261, the pressure of the concrete on the expansion plate 14 will force the two side plates 11 to close to each other, the direction of the second ratchet wheel 251 is opposite to the rotation direction of the second screw rod 25 when the two side plates 11 close to each other, thereby playing a locking role).

[0026] Then the user rotates the first screw rod 21, and the two first threaded blocks 22, the two second threaded blocks 23 and the two third threaded blocks 24 close to each other, under the action of the first connecting rod 222, the second connecting rod 232 and the third connecting rod 242, the first top plate 221, the second top plate 231 and the third top plate 241 drive the expansion plate 14 to rise, when the expansion plate 14 rotates to the appropriate angle, the first pawl is installed on the first fixed shaft, and the first pawl cooperates with the first ratchet wheel 212 to lock the first screw rod 21 (the locking principle is the same as that of the second pawl). Then the stair mold is detachably connected to the expansion plate 14, and then the concrete is poured into the stair mold, and after the concrete is dry, the stair mold, the first pawl and the second pawl are removed, the first screw rod 21 and the second screw rod 25 are rotated to reset the device

[0027] The utility model provides a kind of building stair rapid assembly template support structure, by setting support assembly, both can conveniently and quickly adjust the angle of expansion plate, also can provide multiple-point support for expansion plate, enhance the support ability of this device, improve the security of this device;By setting side plate and intermediate plate, both can adjust the distance between the two side plates according to the width of stair mold, improve the applicability of this device, also can make the two side plates close to each other when idle, reduce floor area;By setting first ratchet wheel, first pawl, second ratchet wheel and second pawl, first screw rod and second screw rod can be effectively locked, to avoid misrotation occurs.The above, the beneficial effects of the utility model are: both can conveniently and quickly adjust the angle of expansion plate, also can adjust the distance between the two side plates according to stair mold, improve the applicability of device, also can lock first screw rod and second screw rod, improve the security of this device.

[0028] Of course, the utility model can also have other various embodiments, and the skilled in the art can make various corresponding changes and deformations according to the utility model without departing from the spirit and essence of the utility model, but these corresponding changes and deformations should all belong to the protection scope of the claims attached to the utility model.

Claims

1. A quick-assembly formwork support structure for building staircases, characterized in that, include: The base includes two side plates and a middle plate, with the two middle plates slidably disposed between the two side plates, and a telescopic plate rotatably disposed on the top of the side plates; A support assembly includes a first screw and a second screw. The first screw is rotatably mounted on a side plate. Two first threaded blocks, two second threaded blocks, and two third threaded blocks are sequentially threaded through the first screw. A first top plate, a second top plate, and a third top plate are sequentially mounted above the first screw. A first connecting rod is rotatably mounted between the first top plate and the first threaded blocks. A second connecting rod is rotatably mounted between the second top plate and the second threaded blocks. A third connecting rod is rotatably mounted between the third top plate and the third threaded blocks. The second screw is rotatably mounted between intermediate plates. Two pairs of fourth threaded blocks are mounted on the second screw. A fourth connecting rod is rotatably mounted between the fourth threaded blocks and the side plate.

2. The rapid assembly formwork support structure for building staircases according to claim 1, characterized in that, One end of the first screw passes through the side plate and is connected to the first ratchet. The side plate is provided with a first fixed shaft, and the first fixed shaft is detachably provided with a first pawl.

3. The rapid assembly formwork support structure for building staircases according to claim 1, characterized in that, One end of the second screw passes through the intermediate plate and is connected to the second ratchet. The intermediate plate is provided with a second fixed shaft, and a second pawl is detachably connected to the second fixed shaft.

4. The rapid assembly formwork support structure for building staircases according to claim 1, characterized in that, The side plate is provided with several limiting rods that pass through the first threaded block, the second threaded block and the third threaded block.

5. The rapid assembly formwork support structure for building staircases according to claim 1, characterized in that, The distance between the two first threaded blocks is greater than the distance between the two second threaded blocks, and the distance between the two second threaded blocks is greater than the distance between the two third threaded blocks.

6. The rapid assembly formwork support structure for building staircases according to claim 1, characterized in that, The intermediate plate is provided with a clearance groove that cooperates with the first screw.

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