Prefabricated concrete hollow slab pouring box

By introducing bidirectional and unidirectional screws in the casting box in conjunction with a spur gear structure, non-forced demolding is achieved, solving the problems of low demolding quality and efficiency in traditional casting boxes, and improving the molding integrity and ease of operation of hollow slabs.

CN223849550UActive Publication Date: 2026-01-30GUIZHOU HENGKE CONSTR TECH CO LTD
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Patent Information

Application Number
CN202520454820.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-01-30
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

Forced demolding using traditional casting boxes can damage the integrity of the molding process, and the operation of the sealing cover is cumbersome, reducing demolding efficiency.

Method used

The system employs a combination of bidirectional and unidirectional screws with a circular gear structure. By rotating a knob, the screws and connecting rods are driven to move the cover plate and demolding template, thus achieving non-forced demolding.

Benefits of technology

It effectively prevents damage to the hollow plate during the demolding process, improves demolding quality and efficiency, and simplifies the opening and closing operation of the cover plate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a precast concrete hollow slab pouring box in the technical field of building auxiliary equipment, which comprises a box body and a frame plate, the frame plate is fixedly connected to the lower side of the rear side wall of the box body, the top of the box body is provided with a pouring groove, the front side and the rear side of the bottom of an inner cavity of the pouring groove are both provided with lifting grooves, and the lifting grooves are arranged in the box body. Two-way screws are rotationally connected between the front sides and the rear sides of the left side wall and the right side wall of an inner cavity of the box body, first circular gears are fixedly connected to the outer side walls of the two-way screws, movable blocks are connected to the left sides and the right sides of the outer side walls of the two-way screws in a threaded mode, and transmission rods are rotationally connected to the tops of the movable blocks; a demolding plate is rotatably connected to the top end of the transmission rod, a rotating rod is rotatably connected to the right side wall of the inner cavity of the box body, and a second circular gear is fixedly connected to the outer side wall of the rotating rod. The prefabricated concrete hollow slab pouring box is reasonable in structural design, the demolding quality is improved, and the demolding efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to building auxiliary equipment technical field, concretely is a kind of prefabricated concrete hollow slab pouring box. BACKGROUND

[0002] Now state advocates that housing adopts thermal insulation wall, concrete hollow slab is used as housing thermal insulation wall, it accords with the spirit that state advocates that housing adopts thermal insulation wall, and cost is low;It can use installation support to help improve installation speed and stability, safety when installing, in the processing process of concrete hollow slab, usually utilize hollow slab pouring box to pour hollow slab.

[0003] Traditional pouring box is mostly forced to demould in the way of demoulding, and forced demoulding can cause the integrity of molding to be damaged, which reduces the demoulding quality. At present, most pouring boxes are fixed and connected by bolts when in use, and the closing and opening operations are relatively cumbersome, which is not conducive to the rapid demoulding operation of the molded prefabricated concrete hollow slab, and the demoulding efficiency is reduced. Therefore, we propose a prefabricated concrete hollow slab pouring box. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a prefabricated concrete hollow slab pouring box to solve the problem of forced demoulding that can cause the integrity of molding to be damaged and the closing and opening operations to be relatively cumbersome in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a prefabricated concrete hollow slab pouring box, comprising a box body and a shelf plate, the shelf plate is fixedly connected to the lower side of the rear side wall of the box body, the top of the box body is provided with a pouring groove, the inner cavity of the pouring groove is provided with lifting grooves on the front and rear sides of the bottom, bidirectional screws are rotatably connected between the front and rear sides of the left and right side walls of the inner cavity of the box body, the outer side wall of the bidirectional screw is fixedly connected with a first circular gear, the outer side wall of the bidirectional screw is screwed with a movable block on the left and right sides, the top of the movable block is rotatably connected with a transmission rod, the top end of the transmission rod is rotatably connected with a demoulding plate, the inner cavity of the right side wall of the box body is rotatably connected with a rotating rod, the outer side wall of the rotating rod is fixedly connected with a second circular gear, the second circular gear is meshed with the first circular gear, the top of the shelf plate is rotatably connected with a unidirectional screw, the outer side wall of the unidirectional screw is screwed with a threaded sleeve, the left and right side walls of the threaded sleeve are fixedly connected with a connecting rod, the top of the shelf plate is fixedly connected with a sliding rod on the left and right sides, the outer side wall of the sliding rod is slidably connected with an L-shaped sliding block, the connecting rod is fixedly connected with the L-shaped sliding block, and the rear side wall of the L-shaped sliding block is fixedly connected with a cover plate on the top side.

[0006] As a further description of the above technical solution: the inner cavity of the lifting groove is fixedly connected with a positioning block on the left and right sides, and the top end of the sliding rod is fixedly connected with a limiting ring.

[0007] As a further description of the above technical solution: the rotating rod penetrates the inner cavity of the box body and extends to the outside of the box body, the end of the rotating rod is fixedly connected with a first knob, and the top end of the one-way screw rod is fixedly connected with a second knob.

[0008] As a further description of the above technical solution: the bottom corners of the box body are fixedly connected with supporting columns, and the bottom of the supporting column is fixedly connected with a non-slip pad.

[0009] As a further description of the above technical solution: the front side wall of the box body is rotatably connected with an access door through a hinge, and the front side wall right side of the access door is fixedly connected with a door handle.

[0010] As a further description of the above technical solution: the bottom of the cover plate is fixedly connected with a mold rod arranged from left to right, and the bottom of the cover plate is fixedly connected with an anti-sticking layer.

[0011] Compared with the prior art, the precast concrete hollow slab pouring box has the advantages that:

[0012] 1. The precast concrete hollow slab pouring box can pour cement into the pouring groove, wait for the cement to be fixed and formed, rotate the second knob to drive the one-way screw rod to rotate, make the one-way screw rod drive the threaded sleeve and the connecting rod to move, then make the connecting rod drive the L-shaped sliding block and the cover plate to move, make the cover plate separate from the box body, rotate the first knob to drive the rotating rod and the second circular gear to rotate, make the second circular gear drive the first circular gear to rotate, then drive the bidirectional screw rod to rotate, make the movable block move to drive the transmission rod to move, thereby make the transmission rod push the stripping plate to move vertically, and push the formed hollow slab to strip, which can effectively prevent the hollow slab from being damaged due to forced stripping, and improve the stripping quality.

[0013] 2. The precast concrete hollow slab pouring box can rotate the second knob to drive the one-way screw rod to rotate, make the one-way screw rod drive the threaded sleeve and the connecting rod to move, then make the connecting rod drive the L-shaped sliding block and the cover plate to move, make the cover plate quickly separate from the box body, which is beneficial to quickly open or close the cover plate, and improves the stripping efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The precast concrete hollow slab pouring box is shown in the structure diagram;

[0015] Figure 2 The precast concrete hollow slab pouring box is shown in the rear view structure diagram;

[0016] Figure 3 A cross-sectional structure schematic view of a prefabricated concrete hollow slab pouring box is provided in the utility model.

[0017] Figure 4 A top view cross-sectional structure schematic view of a prefabricated concrete hollow slab pouring box is provided in the utility model.

[0018] In the drawing: 100, box body; 110, pouring groove; 111, lifting groove; 112, positioning block; 120, bidirectional screw rod; 121, first circular gear; 122, movable block; 123, transmission rod; 124, demolding plate; 130, rotating rod; 131, second circular gear; 132, first knob; 140, supporting column; 141, antiskid pad; 150, manhole; 151, door handle; 200, shelf plate; 210, unidirectional screw rod; 211, threaded sleeve; 212, connecting rod; 213, second knob; 220, sliding rod; 221, L-shaped sliding block; 222, limiting ring; 230, cover plate; 231, mold rod; 232, anti-sticking layer. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the features limited as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0021] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication。For ordinary skilled in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances.

[0022] The utility model provides a kind of precast concrete hollow slab pouring box, improve demoulding quality, improve demoulding efficiency, please refer to Figures 1-4 Including box 100 and shelf plate 200;

[0023] Please refer to Figures 1-4 Box 100 is opened with pouring groove 110 on top, pouring groove 110 is used to pour cement, the inner chamber bottom of pouring groove 110 is opened with lifting groove 111 on two sides, lifting groove 111 is used to make demoulding plate 124 pass through, the inner chamber left and right side wall of box 100 is rotatably connected between two sides, and bidirectional screw rod 120 is used to move movable block 122, and the outer side wall of bidirectional screw rod 120 is fixedly connected with first circular gear 121, and the outer side wall left and right sides of bidirectional screw rod 120 are all screwed with movable block 122, and movable block 122 is used to drive transmission rod 123 to move, and the top of movable block 122 is rotatably connected with transmission rod 123, and transmission rod 123 is used to drive demoulding plate 124 to move, and the top of transmission rod 123 is rotatably connected with demoulding plate 124, and demoulding plate 124 is used to push the hollow slab after forming to demould, and the inner chamber right side wall of box 100 is rotatably connected with rotating rod 130, and rotating rod 130 is used to drive second circular gear 131 to rotate, and the outer side wall of rotating rod 130 is fixedly connected with second circular gear 131, and second circular gear 131 is meshed with first circular gear 121, and second circular gear 131 is used to drive first circular gear 121 to rotate by itself rotation;

[0024] Please refer to Figures 1-3The top of the shelf plate 200 is rotatably connected with a one-way screw rod 210, the one-way screw rod 210 is used for driving the threaded sleeve 211 to move, the outer side wall of the one-way screw rod 210 is screwed with the threaded sleeve 211, the threaded sleeve 211 is used for driving the connecting rod 212 to move, the left and right side walls of the threaded sleeve 211 are fixedly connected with the connecting rod 212, the connecting rod 212 is used for driving the L-shaped sliding block 221 to move, the top of the shelf plate 200 is fixedly connected with the sliding rod 220 on the left and right sides, the sliding rod 220 is used for installing the L-shaped sliding block 221, the outer side wall of the sliding rod 220 is slidingly connected with the L-shaped sliding block 221, the connecting rod 212 is fixedly connected with the L-shaped sliding block 221, the L-shaped sliding block 221 is used for driving the cover plate 230 to move, the rear side wall of the L-shaped sliding block 221 is fixedly connected with the cover plate 230 on the top, and the cover plate 230 is used for shielding the pouring groove 110, so that the box body 100 is opened and closed.

[0025] In summary, by pouring cement into the pouring groove 110, waiting for the cement to be fixed and formed, rotating the second knob 213 drives the one-way screw rod 210 to rotate, so that the one-way screw rod 210 drives the threaded sleeve 211 and the connecting rod 212 to move, and then the connecting rod 212 drives the L-shaped sliding block 221 and the cover plate 230 to move, so that the cover plate 230 is separated from the box body 100, the first knob 132 is rotated to drive the rotating rod 130 and the second circular gear 131 to rotate, so that the second circular gear 131 drives the first circular gear 121 to rotate, and then drives the bidirectional screw rod 120 to rotate, so that the movable block 122 moves to drive the transmission rod 123 to move, so that the transmission rod 123 pushes the stripping plate 124 to move vertically, so that the formed hollow slab is pushed out of the mold, which can effectively prevent the hollow slab from being damaged due to forced stripping, and improve the stripping quality.

[0026] Please refer again to Figures 2-3 The inner cavity of the lifting groove 111 is fixedly connected with the positioning block 112 on the left and right side walls, and the top end of the sliding rod 220 is fixedly connected with the limiting ring 222. The positioning block 112 is used for limiting the stripping plate 124, and when the stripping plate 124 is in close contact with the positioning block 112, the stripping plate 124 is completely in close contact with the lifting groove 111, so as to prevent gaps from being generated during pouring. The limiting ring 222 is used for preventing the L-shaped sliding block 221 from being separated from the sliding rod 220.

[0027] Please refer again to Figures 1-4 The rotating rod 130 penetrates the inner cavity of the box body 100 and extends to the outside of the box body 100, the end of the rotating rod 130 is fixedly connected with the first knob 132, and the top end of the one-way screw rod 210 is fixedly connected with the second knob 213. The first knob 132 is used for driving the rotating rod 130 to rotate, the second knob 213 is used for driving the one-way screw rod 210 to rotate, and the threaded sleeve 211 can be prevented from being separated from the one-way screw rod 210.

[0028] Please refer again to Figures 1-2 The bottom of the box 100 is fixedly connected with support columns 140, and the bottom of the support columns 140 is fixedly connected with anti-skid pads 141. The support columns 140 are used for supporting the box 100, and the anti-skid pads 141 are used for preventing slipping.

[0029] Please refer again to Figure 1 The front side wall of the box 100 is rotationally connected with an inspection door 150 through a hinge. The front side wall right side of the inspection door 150 is fixedly connected with a door handle 151. The inspection door 150 is used for opening and closing the box 100, and the door handle 151 is used for pushing and pulling to drive the inspection door 150 to rotate.

[0030] Please refer again to Figures 1-3 The bottom of the cover plate 230 is fixedly connected with mold rods 231, and the bottom of the cover plate 230 is fixedly connected with anti-sticking layers 232 in sequence from left to right. The mold rods 231 are used for making hollow slabs, and the anti-sticking layers 232 are used for preventing cement from sticking to the cover plate 230.

[0031] In summary, the second knob 213 is rotated to drive the one-way screw rod 210 to rotate, so that the one-way screw rod 210 drives the threaded sleeve 211 and the connecting rod 212 to move, and then the connecting rod 212 drives the L-shaped slider 221 and the cover plate 230 to move, so that the cover plate 230 quickly separates from the box 100. This structure is beneficial to quickly open or close the cover plate 230, and improves the demolding efficiency.

[0032] In specific use, the person skilled in the art pours cement into the pouring groove 110, waits for the cement to be fixed and shaped, rotates the second knob 213 to drive the one-way screw rod 210 to rotate, so that the one-way screw rod 210 drives the threaded sleeve 211 and the connecting rod 212 to move, and then the connecting rod 212 drives the L-shaped slider 221 and the cover plate 230 to move, so that the cover plate 230 separates from the box 100. The first knob 132 is rotated to drive the rotating rod 130 and the second circular gear 131 to rotate, so that the second circular gear 131 drives the first circular gear 121 to rotate, and then drives the bidirectional screw rod 120 to rotate, so that the movable block 122 moves to drive the transmission rod 123 to move, so that the transmission rod 123 pushes the demolding plate 124 to move vertically, thereby pushing the formed hollow slab to demold. This structure is beneficial to quickly open or close the cover plate 230.

[0033] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A precast concrete hollow slab formwork box, characterized by: The utility model provides a box (100) and shelf plate (200) are connected, the top of box (100) is opened to pour the groove (110), the inner chamber bottom of pouring groove (110) is opened to lift the groove (111) on both sides, the inner chamber left and right side wall of box (100) is rotatably connected with bidirectional screw rod (120) between both sides, the outer side wall of bidirectional screw rod (120) is fixedly connected with first round gear (121), the outer side wall left and right sides of bidirectional screw rod (120) are screwed with movable block (122), the top of movable block (122) is rotatably connected with transmission rod (123), the top of transmission rod (123) is rotatably connected with stripping plate (124), the inner chamber right side wall of box (100) is rotatably connected with rotating rod (130), the outer side wall of rotating rod (130) is fixedly connected with second round gear (131), second round gear (131) and first round gear (121) are engaged, the top of shelf plate (200) is rotatably connected with unidirectional screw rod (210), the outer side wall of unidirectional screw rod (210) is screwed with threaded sleeve (211), the left and right side wall of threaded sleeve (211) is fixedly connected with connecting rod (212), the top left and right sides of shelf plate (200) are fixedly connected with slide rod (220), the outer side wall of slide rod (220) is slidably connected with L type sliding block (221), connecting rod (212) and L type sliding block (221) are fixedly connected, the rear side wall upside of L type sliding block (221) is fixedly connected with cover plate (230).

2. The precast concrete hollow slab casting box according to claim 1, characterized in that: The inner chamber left and right side wall of lifting groove (111) is fixedly connected with positioning block (112), and the top of slide rod (220) is fixedly connected with limiting ring (222).

3. The precast concrete hollow slab casting box according to claim 1, characterized in that: Rotating rod (130) penetrates the inner chamber of box (100) and extends to the outside of box (100), and the tail end of rotating rod (130) is fixedly connected with first knob (132), and the top of unidirectional screw rod (210) is fixedly connected with second knob (213).

4. The precast concrete hollow slab casting box according to claim 1, characterized in that: The bottom of box (100) is fixedly connected with supporting column (140) on four corners, and the bottom of supporting column (140) is fixedly connected with antiskid pad (141).

5. The precast concrete hollow slab casting box according to claim 1, characterized in that: The front side wall of box (100) is rotatably connected with access door (150) through hinge, and the front side wall right side of access door (150) is fixedly connected with door handle (151).

6. The precast concrete hollow slab casting box according to claim 1, characterized in that: The bottom of cover plate (230) is fixedly connected with mold rod (231), and is arranged from left to right in sequence, and the bottom of cover plate (230) is fixedly connected with anti -sticky layer (232).