Telescopic concrete pouring formwork

Abstract

The utility model discloses a telescopic concrete pouring formwork which comprises an inner plate, an inner connecting piece, a left outer plate and a right outer plate. The left outer plate and the right outer plate are symmetrically arranged outside the inner plate. A telescopic adjustable structure is arranged between the left outer plate and the inner plate and between the right outer plate and the inner plate, and an adjustable fence structure is arranged on the left outer plate and the right outer plate. The inner connecting piece is composed of an inner connecting plate, a second sealing gasket, a second limiting rod and a second limiting groove, and the front-back spacing sizes of the inner plate, the left outer plate, the right outer plate and the inner connecting piece are the same; the telescopic adjustable structure comprises worm gears, a worm, a movable plate and a limiting plate, and the worm gears are rotationally connected to the inner sides of the front end and the rear end of the inner plate. According to the telescopic concrete pouring formwork, telescopic adjustment can be conveniently conducted on the concrete pouring formwork so that different prefabricated parts can be manufactured, the stability and sealing performance of the formwork connecting position can be conveniently improved, then the quality of the concrete prefabricated parts is improved, and demolding can be conveniently conducted on the poured concrete prefabricated parts.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete pouring technical field, concretely is a telescopic concrete pouring formwork. BACKGROUND

[0002] The prefabricated part is usually formed by pouring concrete slurry in a mold groove formed by splicing a plurality of formworks, and then curing for a certain time, and in the concrete pouring construction, in order to improve the construction efficiency and the versatility of the formwork, a telescopic formwork is usually used to flexibly adjust the size according to the actual construction requirement.

[0003] A concrete pouring formwork is disclosed in Chinese Utility Model Patent No. CN214739846U, which comprises a first formwork and a second formwork, both made of metal, the first formwork is arranged on both sides, and the second formwork is arranged between the two first formworks; the first formwork is provided with a connecting hole, the second formwork is provided with a screw rod at the end, the screw rod can be embedded into the connecting hole, and the screw rod is installed with a nut to fix the first formwork and the second formwork together; a fixing device is further arranged between the top ends of the two first formworks, the lengths of the first outer clamping plate and the second outer clamping plate are the same, and the lengths of the first inner clamping plate and the second inner clamping plate are the same, the utility model provides a concrete pouring formwork, which prolongs the service life of the formwork and effectively avoids the deviation of the formwork due to deformation.

[0004] However, the existing concrete pouring formwork still has some problems in use, such as not convenient for telescopic adjustment, difficult to make different prefabricated parts, inconvenient to improve the stability and sealing performance of the formwork connection, limited quality of the concrete prefabricated part, and not convenient for demolding of the poured concrete prefabricated part, therefore, the utility model provides a telescopic concrete pouring formwork to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a telescopic concrete pouring formwork to solve the problems of the existing concrete pouring formwork in the above background technology, such as not convenient for telescopic adjustment, difficult to make different prefabricated parts, inconvenient to improve the stability and sealing performance of the formwork connection, limited quality of the concrete prefabricated part, and not convenient for demolding of the poured concrete prefabricated part.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a telescopic concrete pouring formwork, comprising an inner plate, an inner connector, and left and right outer plates symmetrically arranged outside the inner plate;

[0007] Further comprising:

[0008] The left outer plate and the right outer plate are provided with a telescopic adjusting structure between the inner plate, and the left outer plate and the right outer plate are provided with an adjustable surrounding structure;

[0009] The inner connector is formed by the inner plate, the second sealing gasket, the second limiting rod and the second limiting groove, and the front-to-back spacing of the inner plate, the left outer plate, the right outer plate and the inner connector is the same.

[0010] Preferably, the telescopic adjusting structure comprises a worm gear, a worm, a movable plate and a limiting plate, the worm gear is rotatably connected to the inner side of the front and rear ends of the inner plate, and the worm gear is externally meshed with the worm which is not detachable with the inner plate;

[0011] The lower side of the front and rear ends of the inner plate is staggered and provided with the movable plate fixedly connected with the worm gear, the outer end of the movable plate is rotatably connected with the limiting plate, and the outer end of the limiting plate is staggered and provided, and the limiting plate is rotatably connected with the left outer plate and the right outer plate.

[0012] Preferably, the left and right sides of the inner plate are both pasted and fixed with the first sealing gasket, the first sealing gasket is respectively and closely connected with the left outer plate and the right outer plate, and the inside of the left outer plate and the right outer plate is symmetrically provided with the first limiting groove.

[0013] Preferably, the outer side of the front and rear ends of the inner plate is symmetrically fixed with the first limiting rod penetrating into the first sealing gasket, and the first limiting rod is nested and engaged in the first limiting groove.

[0014] Preferably, one end of the inner plate is pasted and fixed with the second sealing gasket, the second limiting rod is symmetrically fixed with the inner plate and penetrates into the second sealing gasket, and the end of the inner plate away from the second limiting rod is symmetrically provided with the second limiting groove, and the second limiting rod and the second limiting groove are correspondingly provided.

[0015] Preferably, the left outer plate and the right outer plate are both rotatably connected with the surrounding plate, the surrounding plate is closely connected with the first sealing gasket, the left outer plate and the surrounding plate are nested and engaged with the protruding limiting rod in the right outer plate and the surrounding plate, and the upper side of the left outer plate and the right outer plate is pasted and fixed with the third sealing gasket closely arranged with the surrounding plate.

[0016] Compared with the prior art, the beneficial effects of the present application are: the telescopic concrete pouring formwork is convenient for telescopic adjustment of the concrete pouring formwork, so as to obtain different prefabricated parts, improve the stability and sealing property of the connecting part of the formwork, and improve the quality of the concrete prefabricated part, and the poured concrete prefabricated part is convenient for demolding;

[0017] 1. The utility model provides a concrete pouring formwork, which is provided with an inner plate, a left outer plate, a right outer plate and a worm gear, the left outer plate and the right outer plate are symmetrically arranged outside the inner plate, an inner joint is arranged outside the inner plate, and a worm gear is rotatably connected to the inner side of the front and rear ends of the inner plate, the worm gear is externally meshed and connected with the worm, the movable plate fixed with the worm gear is staggeredly arranged below the inner plate, the limiting plate is rotatably connected outside the movable plate and is staggeredly arranged, and the outer end of the limiting plate is rotatably connected with the left outer plate and the right outer plate, so that the concrete pouring formwork can be conveniently stretched and adjusted to obtain different prefabricated parts.

[0018] 2. The utility model provides a concrete pouring formwork, which is provided with an inner plate, a first sealing gasket, a first limiting rod and a first limiting groove, the first sealing gasket is fixedly attached to the left outer plate and the right outer plate outside the inner plate, the first limiting rod is symmetrically fixed in the inner plate and penetrates the outer end of the first sealing gasket, the first limiting groove is formed in the left outer plate and the right outer plate, and the first limiting rod and the first limiting groove are nested and connected, the second sealing gasket is fixedly attached to the inner joint outside the inner joint plate, the second limiting rod is symmetrically fixed to one end of the inner joint plate close to the second sealing gasket, the second limiting groove is formed in the other end of the inner joint plate away from the second sealing gasket, the second limiting groove is correspondingly arranged with the second limiting rod, and the third sealing gasket is fixedly attached to the left outer plate and the right outer plate outside the surrounding plate, so that the stability and sealing performance of the connection part of the formwork are improved, and the quality of the concrete prefabricated part is improved.

[0019] 3. The utility model provides a concrete pouring formwork, which is provided with a left outer plate, a right outer plate, a surrounding plate and a limiting rod, the surrounding plate is rotatably connected to the left outer plate and the right outer plate, the limiting rod is nested and connected to the surrounding plate, and the lower end of the limiting rod is nested and connected with the left outer plate and the right outer plate, so that the concrete prefabricated part can be conveniently demoulded. DRAWINGS

[0020] Figure 1 It is a top view of the utility model;

[0021] Figure 2 It is a bottom view of the utility model;

[0022] Figure 3 It is a top view of the inner plate and the first sealing gasket of the utility model;

[0023] Figure 4 It is a top view of the worm gear and the inner plate of the utility model;

[0024] Figure 5 It is a top view of the inner joint of the utility model;

[0025] Figure 6 It is a side view of the surrounding plate and the left outer plate of the utility model.

[0026] In the figure: 1, inner plate; 2, left outer plate; 3, right outer plate; 4, worm gear; 5, worm; 6, first sealing gasket; 7, movable plate; 8, limiting plate; 9, first limiting rod; 10, first limiting groove; 11, inner connector; 12, inner connecting plate; 13, second sealing gasket; 14, second limiting rod; 15, second limiting groove; 16, surrounding plate; 17, limiting rod; 18, third sealing gasket. DETAILED DESCRIPTION

[0027] 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.

[0028] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a telescopic concrete pouring formwork, including inner plate 1, left outer plate 2, right outer plate 3, worm gear 4, worm 5, first sealing gasket 6, movable plate 7, limiting plate 8, first limiting rod 9, first limiting groove 10, inner connector 11, inner connecting plate 12, second sealing gasket 13, second limiting rod 14, second limiting groove 15, surrounding plate 16, limiting rod 17 and third sealing gasket 18, including inner plate 1, inner connector 11 and the left outer plate 2 and right outer plate 3 of outer symmetry of inner plate 1, left outer plate 2 and right outer plate 3 are provided with telescopic adjustable structure between inner plate 1, and left outer plate 2 and right outer plate 3 are provided with adjustable surrounding structure on, inner connector 11 is constituted by inner connecting plate 12, second sealing gasket 13, second limiting rod 14 and second limiting groove 15, and the front-back distance dimension of inner plate 1, left outer plate 2, right outer plate 3 and inner connector 11 is same.

[0029] In order to solve the problems that it is inconvenient to carry out telescopic adjustment, it is difficult to obtain different prefabricated parts, it is inconvenient to improve the stability and sealing performance of formwork connecting portion, the quality of concrete prefabricated part is limited and it is inconvenient to demould the poured concrete prefabricated part in the prior art, the technical scheme is as follows in the embodiment, Figure 1 , Figure 3 and Figure 4, first, according to the size of the concrete precast piece to be poured, the inner plate 1 is rotated to engage the non-detachable connection of the worm 5, so that the worm 5 drives the left side of the mesh connection of the worm wheel 4 to rotate under the limiting of the inner plate 1. Because the inner plate 1 is provided with symmetrical left and right outer plates 2 and 3, the inner plate 1 is staggered with the movable plate 7 fixedly connected with the worm wheel 4, and the outer end of the movable plate 7 is rotatably connected with the limiting plate 8. The outer end of the limiting plate 8 is rotatably connected with the left and right outer plates 2 and 3 respectively, so that the rotation of the worm 5 drives the movable plate 7 and the limiting plate 8 to move, so that the limiting plate 8 drives the left and right outer plates 2 and 3 to move, so as to adjust the size of the concrete pouring formwork to correspond to the size of the concrete precast piece to be poured, and then the inner connector 11 is placed between the inner plate 1 and the left and right outer plates 2 and 3, so that the formwork forms a surrounding state, thereby facilitating the pouring of the formwork to produce different precast pieces;

[0030] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , in the process of using the formwork, the inner plate 1 is externally pasted with the first sealing gasket 6 which is tightly attached to the left and right outer plates 2 and 3, the outer end of the inner connector 11 is provided with the second sealing gasket 13 which is pasted with the inner connector plate 12, and the upper side of the left and right outer plates 2 and 3 is pasted with the third sealing gasket 18 which is tightly attached to the surrounding plate 16, so as to facilitate the sealing performance of the first, second and third sealing gaskets 6, 13 and 18, to ensure the sealing performance of the connection between the left and right outer plates 2 and 3 and the inner plate 1, to ensure the sealing performance of the connection between the inner connector 11 and the inner plate 1 and the left and right outer plates 2 and 3, to ensure the sealing performance of the connection between the left and right outer plates 2 and 3 and the surrounding plate 16, to achieve the purpose of improving the sealing performance of the connection of the formwork, and the outer end of the inner plate 1 is symmetrically fixed with the first limiting rod 9 which penetrates the first sealing gasket 6, the first limiting rod 9 is nested and engaged with the first limiting slot 10 opened in the left and right outer plates 2 and 3, the second limiting rod 14 is symmetrically fixed in the second sealing gasket 13, the second limiting slot 15 is opened at the end of the inner connector plate 12 away from the second limiting rod 14, and the second limiting slot 15 is correspondingly arranged with the second limiting rod 14, so as to facilitate the connection and limiting of the first limiting rod 9, the first limiting slot 10, the second limiting rod 14 and the second limiting slot 15, to improve the stability of the connection of the formwork, and to further improve the quality of the concrete precast piece;

[0031] As Figure 1 , Figure 2 , Figure 4 and Figure 6After the concrete prefabricated part is made in the template, the inner plate 1 is rotated to engage the non-detachable worm 5, so that the worm 5 drives the worm wheel 4 to rotate, and the left outer plate 2 and the right outer plate 3 are driven to move outward through the movable plate 7 and the limiting plate 8, the coagulation connection between the left outer plate 2 and the right outer plate 3 and the concrete prefabricated part is disconnected, or the limiting rod 17 nested and engaged in the enclosing plate 16 is taken out, the enclosing plate 16 is disconnected from the left outer plate 2 and the right outer plate 3 through the limiting rod 17, and then the enclosing plate 16 is rotated outward to disconnect the coagulation connection between the enclosing plate 16 and the concrete prefabricated part, so that the concrete prefabricated part in the pouring template is demolded conveniently. The electrical elements contained above are prior art, and will not be described in detail here.

[0032] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, the standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and will not be described in detail here. The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0033] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A retractable concrete pouring formwork, comprising an inner plate (1), an inner connector (11), and a left outer plate (2) and a right outer plate (3) symmetrically arranged outside the inner plate (1). Its features are, Also includes: The left outer plate (2) and the right outer plate (3) are provided with an adjustable telescopic structure between them and the inner plate (1), and the left outer plate (2) and the right outer plate (3) are provided with an adjustable enclosure structure. The inner connector (11) is composed of an inner plate (12), a second sealing gasket (13), a second limiting rod (14), and a second limiting groove (15), and the front and rear spacing dimensions of the inner plate (1), the left outer plate (2), the right outer plate (3), and the inner connector (11) are the same.

2. The retractable concrete pouring formwork according to claim 1, characterized in that: The telescopic adjustable structure includes a worm wheel (4), a worm (5), a movable plate (7) and a limiting plate (8). The worm wheel (4) is rotatably connected to the inner sides of the front and rear ends of the inner plate (1), and the worm wheel (4) is externally meshed with a worm (5) that is locked to the inner plate (1) and cannot be disassembled. Among them, the lower sides of the front and rear ends of the inner plate (1) are alternately provided with movable plates (7) that are fixedly connected to the worm gear (4), and the outer side of the outer end of the movable plate (7) is rotatably connected with a limiting plate (8), and the outer ends of the limiting plate (8) are alternately provided, and the limiting plate (8) is rotatably connected to the left outer plate (2) and the right outer plate (3) respectively.

3. The retractable concrete pouring formwork according to claim 1, characterized in that: The inner plate (1) is fixed with a first sealing gasket (6) on both the left and right sides, and the first sealing gasket (6) is tightly connected to the left outer plate (2) and the right outer plate (3) respectively. The left outer plate (2) and the right outer plate (3) are symmetrically provided with first limiting grooves (10).

4. The retractable concrete pouring formwork according to claim 1, characterized in that: The inner plate (1) has a first limiting rod (9) symmetrically fixed on the outer sides of the front and rear ends, which passes through the first sealing gasket (6), and the first limiting rod (9) is nested and engaged in the first limiting groove (10).

5. A retractable concrete pouring formwork according to claim 1, characterized in that: A second sealing gasket (13) is attached and fixed to the outer side of one end of the inner plate (12), and a second limiting rod (14) is symmetrically fixed to the inner plate (12) through the second sealing gasket (13). A second limiting groove (15) is symmetrically opened at the end of the inner plate (12) away from the second limiting rod (14), and the second limiting rod (14) and the second limiting groove (15) are correspondingly set.

6. A retractable concrete pouring formwork according to claim 1, characterized in that: Both the left outer plate (2) and the right outer plate (3) are rotatably connected with a surrounding plate (16), and the surrounding plate (16) is tightly fitted to the first sealing gasket (6). Furthermore, both the left outer plate (2) and the surrounding plate (16) are nested and engaged with the right outer plate (3) and the surrounding plate (16) with protruding limiting rods (17). Moreover, the upper side of the left outer plate (2) and the right outer plate (3) is pasted and fixed with a third sealing gasket (18) that is tightly fitted to the surrounding plate (16).

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