Recycled step template of stair double-sided formwork

Abstract

The utility model relates to a recycled step template of a stair double-sided formwork, which belongs to the technical field of house building and comprises a step template and two side plate templates. A fixed box is fixed on the lower surface of the left end of the step template; the middle portions of the opposite sides of the inner top wall and the inner bottom wall of the fixing box are each provided with a convenient-to-disassemble mechanism used for conveniently disassembling the pedal formwork, and the bottom of the right side wall of an inner cavity of the fixing box is provided with a limiting mechanism used for limiting. And the convenient-to-disassemble mechanism comprises two fixed blocks, a threaded rod, a limiting rod, a movable plate, a plurality of positioning blocks, a driving rod and two clamping rods. According to the recycled step formwork for the stair double-sided formwork, the formwork is made of high-strength and corrosion-resistant alloy materials, the durability and stability of the formwork are improved, the formwork is more convenient to assemble and disassemble due to the design of the detachable connecting pieces, the construction efficiency is greatly improved, meanwhile, the formwork can be recycled, and the cost is reduced. The construction cost is obviously reduced, and the damage to the environment is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a tread formwork for double-sided formwork of stairs with recyclable use. Background Technique

[0002] During the building construction process, the construction of stairs is one of the important links. At present, the traditional stair formwork method mostly uses single-use wooden formwork, which not only causes waste of resources, but also increases the construction cost. At the same time, the durability and stability of the wooden formwork are also poor, affecting the construction quality and efficiency.

[0003] Through retrieval, it is found that the Chinese patent publication number: CN216766780U discloses a tread formwork for double-sided formwork of stairs with recyclable use, which relates to the technical field of stair construction formwork and is used to solve the technical problem that the concrete gas of the cast-in-place concrete stairs made by the construction method of double-sided formwork in the prior art cannot be discharged. The tread formwork for double-sided formwork of stairs of this utility model includes a tread formwork and an air guide pipe. An exhaust port is opened on the tread formwork, and the air guide pipe is installed above the exhaust port of the tread formwork and communicated with the exhaust port. However, the tread formwork board in this utility model uses a wooden formwork for formwork, which is usually removed after concrete pouring. The disadvantage of this method is that the formwork cannot be reused, and there are disadvantages such as cumbersome removal process, resource waste, high cost, low construction efficiency and environmental impact. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a tread formwork for double-sided formwork of stairs with recyclable use, which has the advantages of recyclable tread formwork, etc., and solves the problems that the tread formwork board uses a wooden formwork for formwork, which is usually removed after concrete pouring. The disadvantages of this method are that the formwork cannot be reused, and there are disadvantages such as cumbersome removal process, resource waste, high cost, low construction efficiency and environmental impact.

[0005] To achieve the above object, the utility model provides the following technical scheme: A tread formwork for double-sided formwork of stairs with recyclable use, including a tread board formwork and two side board formworks. A fixed box is fixed on the lower surface of the left end of the tread board formwork. On the opposite sides of the top wall and the bottom wall of the inner cavity of the fixed box, a convenient disassembly mechanism for facilitating the disassembly of the tread board formwork is provided, and a limiting mechanism for limiting is provided at the bottom of the right side wall of the inner cavity of the fixed box;

[0006] The detachable mechanism includes two fixed blocks, a threaded rod, a limiting rod, a movable plate, a plurality of positioning blocks, a driving rod and two clamping rods. The two fixed blocks are fixed in the middle of the opposite sides of the inner top wall and the inner bottom wall of the fixed box. The threaded rod is rotatably connected between the upper fixed block and the opposite side of the right inner wall of the fixed box through a bearing. The limiting rod is fixed between the lower fixed block and the opposite side of the right inner wall of the fixed box. The movable plate is threadedly connected with the threaded rod. The positioning block is fixed at the left end of the inner bottom wall of the fixed box. The driving rod is rotatably connected to the right inner wall of the fixed box through a bearing and is located above the limiting rod. The driving rod is connected to the threaded rod through a belt drive. The two clamping rods are fixed on the side of the movable plate facing the positioning block.

[0007] By adopting this technical solution, by using alloy materials with high strength and corrosion resistance to make the formwork, the durability and stability of the formwork are improved. The detachable connecting piece design makes the assembly and disassembly of the formwork more convenient, greatly improving the construction efficiency. At the same time, the formwork can be recycled, significantly reducing the construction cost and reducing the damage to the environment.

[0008] Furthermore, the cross-sectional shape of the pedal formwork is an inverted L shape, and a plurality of insertion blocks are fixed on the lower surface of the right end of the pedal formwork.

[0009] Furthermore, a jack is opened at the left end of the inner top wall of the fixed box. The size of the inner cavity of the jack is adapted to the size of the insertion block, and a positioning groove adapted to the size of the positioning block is opened on the lower surface of the insertion block.

[0010] By adopting this technical solution, the position of the pedal formwork can be positioned, improving the installation efficiency.

[0011] Furthermore, the movable plate is slidably connected with the limiting rod, and a handwheel is fixed on the left side of the driving rod.

[0012] By adopting this technical solution, the driving rod can be driven to rotate through the provided handwheel.

[0013] Furthermore, a slider is fixed on the lower surface of the movable plate, a chute is opened on the inner bottom wall of the fixed box, and the slider makes a horizontal linear motion in the inner cavity of the chute.

[0014] By adopting this technical solution, the movement of the movable plate can be limited through the provided slider, chute and limiting rod, so that it can only perform linear motion.

[0015] Furthermore, the length of the upper clamping rod is greater than the length of the lower clamping rod, and two card slots respectively adapted to the sizes of the two clamping rods are opened on the right side of the insertion block.

[0016] Further, the limiting mechanism includes a support plate, a telescopic rod, a spring, a linkage plate and two limiting vertical rods. The support plate is fixed to the bottom of the right inner wall of the fixed box. The telescopic rod is fixed to the upper surface of the support plate. The spring is movably sleeved on the outer surface of the telescopic rod. The linkage plate is fixed to the upper surface of the telescopic rod. The two ends of the spring are respectively fixedly connected between the opposite sides of the linkage plate and the support plate. The two limiting vertical rods are respectively fixed to the left and right ends of the upper surface of the linkage plate.

[0017] By adopting this technical solution, after the two pedal templates are fixed, the driving rod can be limited, so that the driving rod can be prevented from rotating, and the stability of the connection between the two pedal templates is greatly improved.

[0018] Further, installation grooves are respectively formed at the left and right ends of the lower surface of the driving rod, and the inner diameter of the installation groove is adapted to the outer diameter of the limiting vertical rod.

[0019] By adopting this technical solution, it is convenient for the two limiting vertical rods to enter the installation grooves, and then the driving rod can be limited.

[0020] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0021] 1. For the step template of the recyclable double-sided formwork for stairs, by using a high-strength and corrosion-resistant alloy material to make the template, the durability and stability of the template are improved. The detachable connecting piece design makes the assembly and disassembly of the template more convenient, greatly improving the construction efficiency. At the same time, the template can be recycled, significantly reducing the construction cost and reducing the damage to the environment.

[0022] 2. For the step template of the recyclable double-sided formwork for stairs, a limiting mechanism is arranged in the inner cavity of the fixed box. Through the mutual cooperation of the support plate, the telescopic rod, the spring, the linkage plate and the limiting vertical rod, after the two pedal templates are fixed, the driving rod can be limited, so that the driving rod can be prevented from rotating, and the stability of the connection between the two pedal templates is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of the present utility model;

[0024] Figure 2 is a schematic structural diagram of the pedal template and the side plate template of the present utility model;

[0025] Figure 3 is a schematic structural diagram of the convenient disassembly mechanism of the present utility model;

[0026] Figure 4 is a schematic structural diagram of the limiting mechanism of the present utility model.

[0027] In the figure: 1. pedal template; 2. side plate template; 3. fixed box; 4. detachable mechanism; 41. fixed block; 42. threaded rod; 43. limiting rod; 44. movable plate; 45. positioning block; 46. driving rod; 47. clamping rod; 5. limiting mechanism; 51. support plate; 52. telescopic rod; 53. spring; 54. linkage plate; 55. limiting vertical rod Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] Please refer to Figure 1-2 , a step template for double-sided formwork of a recyclable staircase in this embodiment, includes a pedal template 1 and two side plate templates 2. A fixed box 3 is fixed on the lower surface of the left end of the pedal template 1. A box door is hinged to the left end of the fixed box 3 through a door hinge. A detachable mechanism 4 for facilitating the disassembly of the pedal template 1 is provided at the middle of the opposite sides of the inner top wall and the inner bottom wall of the fixed box 3, and a limiting mechanism 5 for limiting is provided at the bottom of the right side wall of the inner cavity of the fixed box 3.

[0030] In this embodiment, the cross-sectional shape of the pedal template 1 is an inverted L shape, and a plurality of insertion blocks are fixed on the lower surface of the right end of the pedal template 1.

[0031] It should be noted that both the pedal template 1 and the side plate template 2 are made of aluminum-manganese alloy material. Aluminum-manganese alloy is a high-strength, corrosion-resistant, and lightweight alloy material to ensure the durability and stability of the template. At the same time, the surface of the template is provided with anti-slip lines to increase the friction with the concrete and prevent the concrete from slipping during the pouring process, ensuring the construction quality.

[0032] Please refer to Figure 3, for the convenience of assembly and disassembly, the detachable mechanism 4 in this embodiment includes two fixing blocks 41, a threaded rod 42, a limiting rod 43, a movable plate 44, a plurality of positioning blocks 45, a driving rod 46 and two clamping rods 47. The two fixing blocks 41 are fixed in the middle of the opposite sides of the inner top wall and the inner bottom wall of the fixing box 3. The threaded rod 42 is rotatably connected between the upper fixing block 41 and the opposite side of the right side wall of the inner cavity of the fixing box 3 through a bearing. The limiting rod 43 is fixed between the lower fixing block 41 and the opposite side of the right side wall of the inner cavity of the fixing box 3. The movable plate 44 is threadedly connected with the threaded rod 42. The positioning block 45 is fixed at the left end of the inner bottom wall of the fixing box 3. According to the design dimensions of the stairs, select appropriate pedal templates 1 and side plate templates 2 for assembly. During assembly, first insert a plurality of insertion blocks fixed on the lower surface of one pedal template 1 into the fixing box 3 fixed on the lower surface of the left end of the other pedal template 1, and make the positioning grooves opened on the lower surface of the insertion blocks sleeved on the outer surface of the positioning block 45. The driving rod 46 is rotatably connected to the right side wall of the inner cavity of the fixing box 3 through a bearing and is located above the limiting rod 43. The driving rod 46 is connected with the threaded rod 42 through a belt drive, so that the driving rod 46 rotates. The rotation of the driving rod 46 can drive the threaded rod 42 to rotate through the belt. The rotation of the threaded rod 42 can move the movable plate 44. The two clamping rods 47 are fixed on the side of the movable plate 44 facing the positioning block 45.

[0033] In this embodiment, a jack is opened at the left end of the inner top wall of the fixing box 3. The size of the inner cavity of the jack is adapted to the size of the insertion block. A positioning groove adapted to the size of the positioning block 45 is opened on the lower surface of the insertion block. The movable plate 44 is slidably connected with the limiting rod 43. A handwheel is fixed on the left side of the driving rod 46.

[0034] Among them, a slider is fixed on the lower surface of the movable plate 44. A chute is opened on the inner bottom wall of the fixing box 3. The slider makes a horizontal linear motion in the inner cavity of the chute. The length of the upper clamping rod 47 is greater than the length of the lower clamping rod 47. Two clamping grooves respectively adapted to the sizes of the two clamping rods 47 are opened on the right side of the insertion block. The movement of the movable plate 44 drives the two clamping rods 47 to move until the clamping rods 47 enter the clamping grooves opened on the right side of the insertion rod, so that the fixing box 3 can be fixed with the insertion block, and further the two pedal templates 1 can be fixed together, and then the pedal templates 1 can be fixed in sequence.

[0035] It should be noted that due to the arrangement of the limiting rod 43, the slider and the chute, the movement range of the threaded rod 42 can be limited, so that the threaded rod 42 can only perform linear motion; the detachable connecting piece design makes the assembly and disassembly of the template more convenient, greatly improving the construction efficiency.

[0036] Please refer to Figure 4, in order to position the driving rod 46, the limiting mechanism 5 in this embodiment includes a support plate 51, a telescopic rod 52, a spring 53, a linkage plate 54 and two limiting vertical rods 55. The support plate 51 is fixed to the bottom of the right inner wall of the fixed box 3. The telescopic rod 52 is fixed to the upper surface of the support plate 51. The spring 53 is movably sleeved on the outer surface of the telescopic rod 52. Press the linkage plate 54 downward. The downward movement of the linkage plate 54 can squeeze the telescopic rod 52, causing the spring 53 to shorten. The linkage plate 54 is fixed to the upper surface of the telescopic rod 52. Both ends of the spring 53 are fixedly connected between the opposite sides of the linkage plate 54 and the support plate 51. The two limiting vertical rods 55 are respectively fixed to the left and right ends of the upper surface of the linkage plate 54. The two limiting vertical rods 55 move due to the movement of the linkage plate 54 until the two limiting vertical rods 55 completely move out of the inner cavity of the installation groove, and the limit on the driving rod 46 can be released, and then the driving rod 46 can be driven to rotate.

[0037] In this embodiment, installation grooves are respectively formed at the left and right ends of the lower surface of the driving rod 46, and the inner diameter of the installation groove is adapted to the outer diameter of the limiting vertical rod 55.

[0038] It can be understood that by limiting the driving rod 46 through the limiting mechanism 5, the self-rotation of the driving rod 46 can be avoided, and the stability of the connection between the two pedal templates 1 is greatly improved.

[0039] The working principle of the above embodiment is as follows:

[0040] (1) First, select appropriate pedal templates 1 and side plate templates 2 according to the design dimensions of the stairs for assembly. During assembly, first insert a number of insertion blocks fixed to the lower surface of one pedal template 1 into the fixed box 3 fixed to the lower left surface of the other pedal template 1, and make the positioning groove formed on the lower surface of the insertion block sleeved on the outer surface of the positioning block 45. Then open the fixed box 3 and rotate the handwheel to make the driving rod 46 rotate. The rotation of the driving rod 46 can drive the threaded rod 42 to rotate through the belt. The rotation of the threaded rod 42 can make the movable plate 44 move. At this time, due to the arrangement of the limiting rod 43, the slider and the chute, the movement range of the threaded rod 42 can be limited, so that it can only perform linear motion. The movement of the movable plate 44 drives the two clamping rods 47 to move until the clamping rods 47 enter the clamping grooves formed on the right side of the insertion rod, so that the fixed box 3 can be fixed to the insertion block, and then the two pedal templates 1 can be fixed together, and then the pedal templates 1 can be fixed in sequence.

[0041] (2) In order to limit the drive rod 46, before rotating the handwheel, it is necessary to release the limit on the drive rod 46. First, press down the linkage plate 54. The downward movement of the linkage plate 54 can squeeze the telescopic rod 52, causing the spring 53 to shorten. At this time, the two limit vertical rods 55 move due to the movement of the linkage plate 54 until the two limit vertical rods 55 completely move out of the inner cavity of the installation groove, thereby releasing the limit on the drive rod 46, and then the drive rod 46 can be driven to rotate.

Claims

1. A step formwork for double-sided formwork of a staircase for cyclic use, comprising a tread formwork (1) and two side plate formworks (2), characterized in that: A fixed box (3) is fixed to the lower surface of the left end of the pedal template (1). At the middle of the opposite sides of the inner top wall and the inner bottom wall of the fixed box (3), a disassembly facilitating mechanism (4) for facilitating the disassembly of the pedal template (1) is provided. At the bottom of the right side wall of the inner cavity of the fixed box (3), a limiting mechanism (5) for limiting is provided. The disassembly facilitating mechanism (4) includes two fixed blocks (41), a threaded rod (42), a limiting rod (43), a movable plate (44), a plurality of positioning blocks (45), a driving rod (46) and two clamping rods (47). The two fixed blocks (41) are fixed at the middle of the opposite sides of the inner top wall and the inner bottom wall of the fixed box (3). The threaded rod (42) is rotatably connected between the upper fixed block (41) and the opposite side of the right side wall of the inner cavity of the fixed box (3) through a bearing. The limiting rod (43) is fixed between the lower fixed block (41) and the opposite side of the right side wall of the inner cavity of the fixed box (3). The movable plate (44) is in threaded connection with the threaded rod (42). The positioning block (45) is fixed at the left end of the inner bottom wall of the fixed box (3). The driving rod (46) is rotatably connected to the right side wall of the inner cavity of the fixed box (3) through a bearing and is located above the limiting rod (43). The driving rod (46) is connected to the threaded rod (42) through a belt drive. The two clamping rods (47) are fixed on the side of the movable plate (44) facing the positioning block (45).

2. The tread formwork of the double-sided formwork for stairs that can be recycled according to claim 1, characterized in that: The cross-sectional shape of the pedal template (1) is an inverted L shape, and a plurality of insertion blocks are fixed to the lower surface of the right end of the pedal template (1).

3. The tread formwork of a double-sided formwork for stairs that can be recycled according to claim 2, characterized in that: An insertion hole is opened at the left end of the inner top wall of the fixed box (3). The size of the inner cavity of the insertion hole is adapted to the size of the insertion block. A positioning groove adapted to the size of the positioning block (45) is opened on the lower surface of the insertion block.

4. The tread formwork of the double-sided formwork for stairs that can be recycled according to claim 1, characterized in that: The movable plate (44) is slidably connected to the limiting rod (43), and a handwheel is fixed to the left side of the driving rod (46).

5. The tread formwork of the double-sided formwork for stairs that can be recycled according to claim 1, characterized in that: A slider is fixed to the lower surface of the movable plate (44), and a chute is opened on the inner bottom wall of the fixed box (3). The slider makes a horizontal linear motion in the inner cavity of the chute.

6. The tread formwork of a double-sided formwork for stairs that can be recycled according to claim 2, characterized in that: The length of the upper clamping rod (47) is greater than the length of the lower clamping rod (47), and two card slots respectively adapted to the sizes of the two clamping rods (47) are opened on the right side of the insertion block.

7. The tread formwork of the double-sided formwork for stairs with recycling use according to claim 1, characterized in that: The limiting mechanism (5) includes a support plate (51), a telescopic rod (52), a spring (53), a linkage plate (54) and two limiting vertical rods (55). The support plate (51) is fixed to the bottom of the right side wall of the inner cavity of the fixed box (3). The telescopic rod (52) is fixed to the upper surface of the support plate (51). The spring (53) is movably sleeved on the outer surface of the telescopic rod (52). The linkage plate (54) is fixed to the upper surface of the telescopic rod (52). The two ends of the spring (53) are respectively fixedly connected between the opposite sides of the linkage plate (54) and the support plate (51). The two limiting vertical rods (55) are respectively fixed to the left and right ends of the upper surface of the linkage plate (54).

8. The tread formwork for double-sided formwork of a staircase with recycling use according to claim 7, characterized in that: Installation grooves are opened at the left and right ends of the lower surface of the driving rod (46). The inner diameter of the installation groove is adapted to the outer diameter of the limiting vertical rod (55).

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