Clamp type aluminum formwork quick connecting device for house building construction

Abstract

The utility model relates to the technical field of formwork connection, in particular to a clamp type aluminum formwork quick connecting device for house building construction. Comprising a connecting seat, a transmission rod which is transversely communicated and rotationally connected to the connecting seat, a worm which is vertically and rotationally connected to the connecting seat, and two clamping assemblies which are in mirror symmetry and rotationally connected to one end of the connecting seat respectively, and the upper portions of the two clamping assemblies are movably connected with one end of the transmission rod respectively; the middle part of the transmission rod is in transmission connection with the worm; the lower portion of the connecting base is in the shape of an inverted isosceles triangle or an inverted isosceles trapezoid. According to the utility model, not only is the connection operation efficiency of the aluminum template high, but also the connection is reliable, and the situation that accessories are lost is not easy to occur.

Description

Technical Field

[0001] The utility model relates to the technical field of template connection, in particular to a clamping type aluminum template quick connection device used in building construction. Background Art

[0002] In building construction, when connecting formwork at the corner of a wall, the current method of connecting the sides of two aluminum formworks to the two sides of an angle steel is to use multiple bolts. Figure 1 This method requires the use of bolts to connect the two templates to the two sides of the angle steel. For example, to connect three positions, three bolts need to be tightened on each side. Not only is the repeated tightening of bolts a large amount of work, but it is also easy to lose bolts and / or nuts.

[0003] Therefore, it is necessary to improve the above-mentioned aluminum formwork connection technology of existing building construction. Utility Model Content

[0004] The purpose of the utility model includes providing a clamp-type aluminum formwork quick connection device for building construction, which has an integrated structure and can connect two aluminum formworks on one angle steel at the same time with only one screw.

[0005] In order to achieve the above purpose, the utility model has the following technical solutions:

[0006] The utility model provides a clamping type aluminum formwork quick connection device for building construction, comprising a connection seat, a transmission rod that is horizontally connected and rotatably connected to the connection seat, a worm that is vertically rotatably connected to the connection seat, and two clamping assemblies that are mirror-symmetrical to each other and are respectively rotatably connected to one end of the connection seat, wherein:

[0007] The upper parts of the two clamping assemblies are movably connected to one end of the transmission rod respectively;

[0008] The middle portion of the transmission rod is transmission-connected to the worm;

[0009] The lower portion of the connecting seat is shaped like an inverted isosceles triangle or an inverted isosceles trapezoid.

[0010] Preferably, the angle of the lower end angle of the inverted isosceles triangle is 90°.

[0011] Preferably, the included angle between the extension lines of the two inclined surfaces of the inverted isosceles trapezoid is 90°.

[0012] The angle of the lower end angle of the inverted isosceles triangle and the included angle of the extended lines of the two inclined surfaces of the inverted isosceles trapezoid can be customized according to the angle of the actual pre-built wall.

[0013] Preferably, the connecting seat includes a connecting seat body, the connecting seat body is provided with a mounting cavity, a screw rod jack transversely connecting the connecting seat body and the mounting cavity, and ear plates symmetrically connected to both sides of the connecting seat body, wherein:

[0014] The installation cavity is arranged at the inner center of the connecting seat body;

[0015] The ear plate is provided with a first axial hole;

[0016] A through hole communicating with the outside of the connecting seat body is provided on the upper side of the installation cavity, and a blind hole is provided on the lower side. The through hole and the blind hole are respectively used for rotating the upper and lower ends of the connecting worm.

[0017] Preferably, a positioning magnet is provided on the side surface of the connecting seat body, and / or a first latching protrusion for further strengthening and promoting the connection between the connecting seat body and the angle steel.

[0018] Preferably, the upper end of the worm is provided with a head for rotating the worm.

[0019] Preferably, the head is a hexagonal countersunk head, or a handle, or a cylinder with a radial through hole.

[0020] Preferably, the transmission rod includes a bidirectional screw and a worm wheel fixedly connected to the middle of the bidirectional screw, the axis of the worm wheel coincides with the axis of the bidirectional screw, the bidirectional screw is a metal straight rod with mutually reverse threads at both ends, the bidirectional screw is rotatably connected to the screw jack, and the worm wheel is located in the mounting cavity and meshes with the worm.

[0021] Preferably, the clamping assembly comprises a rigid rod and a nut, wherein:

[0022] The middle portion of the rigid rod is provided with a second axial hole for connecting to the first axial hole on the ear plate through a connecting member such as a pin shaft, and the upper portion is provided with a mounting groove and a long hole vertically connected to the mounting groove, and the axis of the long hole is parallel to the axis of the second axial hole;

[0023] Two protruding rods for movably connecting with the elongated hole are fixedly connected to the outer peripheral wall of the nut, and the axial center lines of the two protruding rods coincide. The nut is connected in the mounting groove as the protruding rods are connected with the elongated hole, and the nut is threadedly connected to the threaded end of the bidirectional screw rod.

[0024] Preferably, the rigid rod is a rigid straight rod.

[0025] Preferably, the rigid straight rod is a metal rod with a rectangular radial cross-section.

[0026] Preferably, the lower portion of the rigid rod is connected with a second latching protrusion for latching into a hole on the side wall of the template, so as to further strengthen and position the connection between the present invention and the template to be connected.

[0027] Due to the adoption of the above technical solution, the advantages of the utility model are:

[0028] 1. When connecting the templates at the corners (corners), the utility model only needs to twist the head to complete the connection of the two aluminum templates. Compared with the traditional connection process, the connection efficiency can be increased by about 2 times;

[0029] 2. The utility model uses a worm gear transmission method to achieve good control of clamping and loosening operations, and also has the function of conveniently locking the state of the clamping component, thus simplifying the device structure;

[0030] 3. The magnets included in the present invention facilitate the positioning and fixing of the present invention on the angle steel, thereby improving the connection efficiency;

[0031] 4. The first and second latching protrusions provided in the present invention not only facilitate the positioning of the present invention, but also enhance the tightness of the connection of the present invention;

[0032] 5. The utility model has an integrated structure, and it is not easy for accessories to be lost and affect construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0034] Figure 1 This is a schematic diagram of the traditional construction connection method using multiple bolts to connect the template at the corner position;

[0035] Figure 2 A schematic front view of a quick-connect device for a clamp-type aluminum formwork used in building construction provided by an embodiment of the present utility model;

[0036] Figure 3 for Figure 2 Schematic diagram of the main view of the connecting seat;

[0037] Figure 4 for Figure 2 A schematic front view of the connection relationship between the transmission rod and the clamping assembly;

[0038] Figure 5 for Figure 4 Schematic diagram of the left side;

[0039] Figure 6 This is a schematic diagram of the connection device provided by the present invention in a pre-connection state with a template to be connected;

[0040] Figure 7 This is a schematic diagram of the connecting device provided by the utility model in a connected state.

[0041] In the figure: 1. first formwork; 2. second formwork; 3. angle steel; 4. bolt; 5. pin; 6. eyelet; 10. quick connection device of clamp-type aluminum formwork for building construction (referred to as: connection device); 11. connecting seat; 111. mounting cavity; 1111. through hole; 1112. blind hole; 112. screw rod socket; 113. ear plate; 1131. first axial hole; 114. first clamping protrusion; 12. transmission rod; 121. bidirectional screw rod; 122. worm gear; 13. clamping assembly; 131. rigid rod; 1311. long strip hole; 1312. mounting groove; 1313. second axial hole; 1314. second clamping protrusion; 132. nut; 1321. protruding rod; 14. worm; 141. head. DETAILED DESCRIPTION

[0042] In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", "left", "right", "front", "back", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when in use. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0043] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features.

[0044] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention can be combined with each other.

[0045] The specific implementation method is now described as follows:

[0046] The utility model provides an embodiment of a clamping type aluminum formwork quick connection device for building construction, see Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 , including a connecting seat 11, a transmission rod 12, a worm 14, and two clamping components 13 that are mirror-symmetrical to each other, wherein,

[0047] The connecting seat 11 includes a connecting seat body, the lower part of which is shaped like an isosceles triangle with an inverted lower end angle of 90°, and the side of the isosceles triangle is provided with a first latching protrusion 114, the connecting seat body is provided with a mounting cavity 111, a screw rod socket 112 which is laterally connected to the connecting seat body and the mounting cavity 111, and ear plates 113 which are symmetrically connected to both sides of the connecting seat body, wherein the ear plates 113 are provided with a first axial hole 1131; the mounting cavity 111 is provided at the inner center of the connecting seat body; a through hole 1111 which is connected to the top of the connecting seat body is provided above the mounting cavity 111, and a blind hole 1112 is provided below, the through hole 1111 and the blind hole 1112 are respectively used to rotate the upper and lower ends of the connecting worm 14, and the upper end of the worm 14 is connected to the head 141.

[0048] The transmission rod 12 includes a bidirectional screw rod 121 and a worm wheel 122 fixedly connected to the middle of the bidirectional screw rod 121. The axis of the worm wheel 122 coincides with the axis of the bidirectional screw rod 121. The bidirectional screw rod 121 is rotatably connected to the screw rod socket 112. The worm wheel 122 is located in the mounting cavity 111 and engages with the worm 14.

[0049] The clamping assembly 13 includes a rigid rod 131 and a nut 132, wherein a second axial hole 1313 is provided in the middle of the rigid rod 131, and the second axial hole 1313 is connected to the ear plate 113 through a pin 5. The lower part of the rigid rod 131 is connected to a second clamping protrusion 1314, and the upper part is provided with a mounting groove 1312 and a long hole 1311 vertically connected to the mounting groove 1312, and the axis of the long hole 1311 is parallel to the axis of the second axial hole 1313; the nut 132 is provided with a second axial hole 1313. Two protruding rods 1321 for sliding connection with the elongated hole 1311 are fixedly connected to the outer peripheral wall of the mother 132, and the axial center lines of the two protruding rods 1321 coincide. The nut 132 is connected to the mounting groove 111 as the protruding rod 1321 is connected to the elongated hole 1311. The two clamping assemblies 13 are respectively threadedly connected to one end of the bidirectional screw rod 121 through the nuts 132 thereon, and the second latching protrusion 1314 faces the first latching protrusion 114.

[0050] In this embodiment, magnets are embedded and bonded around the first latching protrusion 114; the head 141 is a hexagonal countersunk head; the rigid rod is a straight rod made of metal iron with a rectangular radial cross-section, and the remaining components are all made of metal iron.

[0051] When in use, first suck the lower part of the utility model into the groove of the angle steel 3, and make the first clamping protrusion 114 embedded in the hole 6 on the angle steel 3, then fit the first template 1 and the second template 2 to the two sides of the angle steel 3 respectively, and align the holes 6, see Figure 6Finally, screw the head 141 by hand or with an electric screwdriver to achieve the quick connection of the template of the utility model. Figure 7 .

[0052] The principle of the utility model to achieve clamping connection or release connection of the template:

[0053] During the process of screwing the head 141, the worm 14 drives the worm wheel 122 to rotate, and the worm wheel 122 drives the bidirectional screw rod 121 to rotate, thereby driving the nuts 132 connected to the two ends of the bidirectional screw rod 121 to move closer or farther away from each other, and the moving nut 132 pushes or pulls the upper part of the rigid rod 131 through the protruding rod 1321 thereon, so that the rigid rod 131 rotates around the pin shaft 5, so that the lower part of the rigid rod 131 is moved away from or closer to each other, so that the lower part of the rigid rod 131 clamps the first template 1 and the second template 2 tightly against the angle steel 3 or releases the clamping, thereby realizing the quick connection or disconnection of the template of the utility model.

[0054] The above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the manner in which the present invention may be implemented. Those skilled in the art will readily appreciate that other variations or modifications based on the above description are possible. This list of all possible embodiments is not exhaustive. Any obvious variations or modifications arising from the technical solution of the present invention remain within the scope of protection of the present invention.

Claims

1. A quick-connect device (10) for clamping aluminum formwork for building construction, characterized in that: The invention comprises a connecting seat (11), a transmission rod (12) which is laterally connected and rotatably connected to the connecting seat (11), a worm (14) which is vertically rotatably connected to the connecting seat (11), and two clamping assemblies (13) which are mirror-symmetrical to each other and are rotatably connected to one end of the connecting seat (11), wherein: The upper parts of the two clamping assemblies (13) are movably connected to one end of the transmission rod (12) respectively; The middle portion of the transmission rod (12) is in transmission connection with the worm (14); The lower portion of the connecting seat (11) is shaped like an inverted isosceles triangle or an inverted isosceles trapezoid.

2. The clamp-type aluminum formwork quick connection device (10) for building construction as claimed in claim 1, characterized in that: The angle of the lower end angle of the inverted isosceles triangle is 90°.

3. The clamp-type aluminum formwork quick connection device (10) for building construction as claimed in claim 1, characterized in that: The included angle between the extension lines of the two inclined surfaces of the inverted isosceles trapezoid is 90°.

4. The clamp-type aluminum formwork quick connection device (10) for building construction as claimed in claim 1, characterized in that: The connecting seat (11) comprises a connecting seat body, wherein the connecting seat body is provided with a mounting cavity (111), a screw rod jack (112) transversely connecting the connecting seat body and the mounting cavity (111), and ear plates (113) symmetrically connected to both sides of the connecting seat body, wherein: The installation cavity (111) is arranged at the inner center of the connecting seat body; The ear plate (113) is provided with a first axial hole (1131); The installation cavity (111) is provided with a through hole (1111) on the top thereof, which is connected to the top of the connection seat body, and a blind hole (1112) on the bottom thereof. The through hole (1111) and the blind hole (1112) are respectively used for rotating the upper and lower ends of the connection worm (14).

5. The clamp-type aluminum formwork quick connection device (10) for building construction as claimed in claim 1, characterized in that: The upper end of the worm (14) is provided with a head (141) for rotating the worm (14).

6. The clamp-type aluminum formwork quick connection device (10) for building construction as claimed in claim 5, characterized in that: The head (141) is a hexagonal countersunk head, or a handle, or a cylinder with a radial through hole.

7. The clamp-type aluminum formwork quick connection device (10) for building construction as claimed in claim 4, characterized in that: The transmission rod (12) includes a bidirectional screw rod (121) and a worm wheel (122) fixedly connected to the middle of the bidirectional screw rod (121), the axis of the worm wheel (122) coincides with the axis of the bidirectional screw rod (121), the bidirectional screw rod (121) is rotatably connected to the screw rod socket (112), and the worm wheel (122) is meshed with the worm (14).

8. The clamp-type aluminum formwork quick connection device (10) for building construction as claimed in claim 1, characterized in that: The clamping assembly (13) comprises a rigid rod (131) and a nut (132), wherein: The middle portion of the rigid rod (131) is provided with a second axial hole (1313), and the upper portion is provided with a mounting groove (1312) and a long hole (1311) vertically connected to the mounting groove (1312), and the axis of the long hole (1311) is parallel to the axis of the second axial hole (1313); Two protruding rods (1321) for movably connecting with the elongated hole (1311) are fixedly connected to the outer peripheral wall of the nut (132), and the axis lines of the two protruding rods (1321) coincide with each other. The nut (132) is connected to the mounting groove (1312) as the protruding rods (1321) are connected to the elongated hole (1311).

9. The clamp-type aluminum formwork quick connection device (10) for building construction as claimed in claim 8, characterized in that: The rigid rod (131) is a rigid straight rod.

10. The clamp-type aluminum formwork quick connection device (10) for building construction according to claim 8 or 9, characterized in that: The lower portion of the rigid rod (131) is connected to a second latching protrusion (1314).

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