Template connecting clamp

Abstract

The utility model relates to the technical field of building template connecting pieces, in particular to a template connecting clamp. The template connecting clamp comprises a U-shaped clamp body, two clamp feet of the clamp body are bent along the same side of the clamp body, one clamp foot is connected with an extension arm, one end of the extension arm is connected with a transverse winding shaft, a clamping groove is formed in the end, connected with the extension arm, of the winding shaft, and the extension arm is fixedly connected into the clamping groove. Due to the fact that the extending arm is fixed in the clamping groove, the contact area of the end of the winding shaft and the extending arm is increased, the stability of the connecting position of the end of the winding shaft and the extending arm is improved, and the service life of the template connecting clamp is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of building template connectors, in particular to a template connection card. Background Art

[0002] In the construction industry, with the development of construction technology, the erection of wall, beam and column formwork has entered an era of quick erection and quick dismantling, and the requirements for formwork erection efficiency are getting higher and higher.

[0003] To improve the efficiency of formwork erection, a Chinese patent (publication number: CN204386172U) discloses a formwork connection card. This card includes a U-shaped card body with two legs bent along the same side of the card body; one of the legs is connected to an extension arm, one end of which is fixed with a transverse shaft. The formwork connection card is made of round steel that is bent into shape in a single step, welded with a shaft, and then heat-treated to achieve a certain rigidity. During use, the shaft is inserted into the holes on the frames of the two formworks, and the frames of the two formworks are clamped by the U-shaped card body, thereby connecting the two formworks together.

[0004] While existing template connection clamps improve template connection efficiency, they also present some issues during use. First, because the extension arm is welded to the winding shaft, securing the end faces of the extension arm to the winding shaft is difficult, resulting in poor stability at the connection point. Second, because the template itself becomes uneven after repeated use, the two parallel legs of the clamp body make it difficult to insert the template when encountering uneven areas. Utility Model Content

[0005] In view of the above-mentioned defects, the technical problem to be solved by the present invention is to provide a template connection card, which can improve the stability of the connection between the winding shaft and the extension arm.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions:

[0007] A template connection card includes a U-shaped card body, two card legs of the card body are bent along the same side of the card body, one of the card legs is connected to an extension arm, one end of the extension arm is connected to a horizontal shaft, and a card slot is provided at the end of the shaft connected to the extension arm, and the extension arm is fixedly connected in the card slot.

[0008] By adopting the above solution, since the extension arm is fixed in the card slot, the contact area between the end of the winding shaft and the extension arm is increased, and the stability of the connection between the end of the winding shaft and the extension arm is improved, thereby ensuring the service life of the template connection card.

[0009] The present invention further provides that one end of the winding shaft having the slot is squeezed by a press, so that the extension arm is clamped in the slot. Since the extension arm is clamped in the slot, this is simpler than traditional welding connection operation and also ensures the stability of the connection between the extension arm and the winding shaft.

[0010] The utility model is further configured such that the side walls and bottom wall of the slot are both pressed against the extension arm. The extension arm is pressed against the side walls and bottom wall of the slot, which enables the extension arm to be fixed more firmly.

[0011] The present invention is further configured such that the shape of the bottom wall of the slot matches the shape of the extension arm. Due to the matching shape of the bottom wall of the slot and the extension arm, the bottom wall and the extension arm are in surface contact, thereby enhancing the stability of the connection between the extension arm and the slot.

[0012] The present invention further features a guide portion connected to the foot of the card body, distal from the extension arm. The guide portion is arc-shaped and curved in a direction away from the extension arm. To use the template connection card, the axle is first inserted into the holes in the frames of the two templates. The template connection card is then rotated about the axle, with the two ends of the card body clamping the two frames. Because the guide portion is provided on the end of the template connection card distal from the axle, the curved guide portion allows the end of the card body distal from the axle to more easily engage the template frame within the card body.

[0013] The utility model is further configured such that the card body, the extension arm and the guide portion are formed by bending a round steel bar.

[0014] The utility model is further configured such that one end of the winding shaft away from the slot is tapered. Since the one end of the winding shaft away from the slot is tapered, it makes it easier for the winding shaft to be inserted into the hole of the template frame.

[0015] The utility model is further configured such that the middle section between the two ends of the card body is parallel to the extension arm. The middle section between the two ends of the card body is parallel to the extension arm, and the overall structure of the card body is more compact and has better anti-deformation ability.

[0016] In summary, the template connection card provided by the present invention has at least the following beneficial effects:

[0017] 1. Improved the stability of the connection between the end of the winding shaft and the extension arm.

[0018] 2. The end of the card body away from the winding axis makes it easier to insert the template frame into the inner side of the card body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without expending any novel work.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 It is an explosion diagram of the utility model;

[0022] Figure 3 It is the main view of the utility model;

[0023] Figure 4 It is a top view of the utility model;

[0024] Figure 5 A schematic structural diagram of the utility model when assembled on the frame of a template.

[0025] The reference numerals include: card body 1 , winding shaft 2 , extension arm 3 , card slot 4 , guide portion 5 , and frame 6 . DETAILED DESCRIPTION

[0026] In order to make those skilled in the art better understand the technical solution of the utility model, Figure 1-5 The present invention is further described in detail with reference to the following specific embodiments.

[0027] See also Figure 1-5 The present embodiment provides a template connection card, which includes a U-shaped card body 1, wherein the two clamping feet of the card body 1 are bent along the same side of the card body 1, and the two clamping feet of the card body 1 are close to the middle section between the two ends of the card body 1. The clamping foot at the right end of the card body 1 is connected to an extension arm 3, and the front end of the extension arm 3 is connected to a horizontal winding shaft 2. A clamping slot 4 is provided at the right end of the winding shaft 2, and the extension arm 3 is fixedly connected in the clamping slot 4, and the free end of the winding shaft 2 is set to the left. Specifically, the left and right ends of the card body 1 are bent along the lower side of the card body 1, and the left and right clamping feet of the card body 1 are both located below the middle section of the card body 1. The axial direction of the winding shaft 2 is set along the left-right direction, and the winding shaft 2 is perpendicular to the extension arm 3.

[0028] By adopting this solution, during use, the free end of the shaft 2 is sequentially passed through the holes in the two template frames 6, and the card body 1 is rotated around the shaft 2. The left and right sections of the U-shaped card body 1 sandwich the two frames 6. Because the extension arm 3 is fixed in the card slot 4, the contact area between the end of the shaft 2 and the extension arm 3 is increased, improving the stability of the connection between the end of the shaft 2 and the extension arm 3, thereby ensuring the service life of the template connection card.

[0029] One end of the winding shaft 2 with the slot 4 is squeezed by a press, so that the extension arm 3 is clamped in the slot 4. Preferably, the side walls and bottom walls of the slot 4 are pressed against the extension arm 3, and the shape of the bottom wall of the slot 4 matches the shape of the extension arm 3. Specifically, the bottom wall of the slot 4 is an arc-shaped slot that matches the shape of the cylindrical extension arm 3. During assembly, specifically, a slot 4 is first opened on the end face of the winding shaft 2, and the slot 4 is located in the middle of the end face of the winding shaft 2. A section of the extension arm 3 is placed in the slot 4. The pressure output end of the press cooperates with the anvil pressure to make the end of the winding shaft 2 with the slot 4 plastically deform toward the inside of the slot 4, so that the slot 4 wraps the extension arm 3 and clamps the extension arm 3.

[0030] See also Figure 2 The card foot on the card body 1 away from the extension arm 3 is connected to a guide portion 5, and the guide portion 5 is an arc-shaped arc bent toward the direction away from the extension arm 3. Specifically, the guide portion 5 is an arc-shaped arc bent toward the left.

[0031] Please continue reading Figure 2 The card body 1, extension arm 3, and guide portion 5 are formed by bending a single piece of round steel. The end of the winding shaft 2, away from the card slot 4, is tapered, meaning the left end of the winding shaft 2 is tapered. Specifically, the left end of the winding shaft 2 is tapered, but to prevent the tip from injuring people, the left end of the winding shaft 2 is removed, leaving a spherical or flat surface.

[0032] See also Figure 3 , the middle section between the two ends of the card body 1 is parallel to the extension arm 3. Specifically, the plane where the middle section between the two ends of the card body 1 is located is parallel to the extension arm 3.

[0033] It should be noted that the words indicating direction in this article, such as up and down, are all based on Figure 1 The setting of the direction is only for the convenience of description and has no other specific meaning.

[0034] It should also be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that an article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such article or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the article or device comprising the aforementioned elements.

[0035] This document uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help you understand the core concept of the present invention. It should be noted that those skilled in the art can make various improvements and modifications to the present invention without departing from the principles of the present invention, and such improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A template connection card, comprising a U-shaped card body (1), wherein two card legs of the card body (1) are bent along the same side of the card body (1), one of the card legs is connected to an extension arm (3), and one end of the extension arm (3) is connected to a transverse winding shaft (2), characterized in that: A clamping slot (4) is provided at one end of the winding shaft (2) connected to the extension arm (3), and the extension arm (3) is fixedly connected in the clamping slot (4).

2. A template connection card as claimed in claim 1, characterized in that: One end of the winding shaft (2) having the slot (4) is squeezed by a press, so that the extension arm (3) is clamped in the slot (4).

3. A template connection card as claimed in claim 2, characterized in that: The side walls and bottom wall of the clamping slot (4) are both pressed against the extension arm (3).

4. A template connection card as claimed in claim 3, characterized in that: The shape of the bottom wall of the slot (4) matches the shape of the extension arm (3).

5. A template connection card according to any one of claims 1 to 4, characterized in that: The card foot on the card body (1) away from the extension arm (3) is connected to a guide portion (5), and the guide portion (5) is in an arc shape that bends in a direction away from the extension arm (3).

6. A template connection card as claimed in claim 5, characterized in that: The card body (1), the extension arm (3) and the guide portion (5) are formed by bending a round steel bar.

7. A template connection card as claimed in claim 1, characterized in that: The end of the winding shaft (2) away from the clamping groove (4) is tapered.

8. A template connection card as claimed in claim 1, characterized in that: The middle section between the two ends of the card body (1) is parallel to the extension arm (3).

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