Groove type connecting fastener for metal profiles

Abstract

The utility model discloses a groove type connecting fastener for metal section bars, which comprises a clip, a cavity with a narrow upper part and a wide lower part is arranged on the clip, a clip is arranged in the cavity in a retracting and limiting manner, the clip is formed by bending an elastic material, two free ends of the clip formed by bending are respectively a first locking part and a second locking part, and the first locking part and the second locking part are respectively connected with the clip. When the clamp is located at the wide position of the lower portion of the cavity, the first locking part and the second locking part are in a loose state in which the first locking part and the second locking part are oppositely scattered, and when the clamp slides to the narrow position of the upper portion of the cavity, the first locking part and the second locking part are in a locking state in which the first locking part and the second locking part are oppositely gathered. According to the technical scheme, fixed connection can be achieved without punching holes in the frame of the alloy formwork, the working procedure for machining the alloy formwork is omitted, the connecting and installing efficiency of the alloy formwork is improved, the connecting strength and stability are better, and then the beneficial technical effects of improving efficiency and reducing cost are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, and more specifically, to a grooved connecting fastener for metal profiles. Background Art

[0002] With the rapid development of the construction industry, alloy formwork has been widely used in construction due to its advantages such as light weight, high strength, waterproof, corrosion resistance, good durability, and reusability. During the application of alloy formwork, the connectors of alloy formwork are key components to ensure the stability and safety of the formwork system.

[0003] However, the existing connectors of alloy formwork need to be installed in the holes reserved on the formwork frame, which affects the installation efficiency and increases the processing cost.

[0004] Therefore, developing a grooved connecting fastener for metal profiles that is applied to alloy formwork and has hole-free connection to address the above deficiencies of traditional connectors has become a technical problem to be solved in this field. Summary of the Utility Model

[0005] In view of the above technical problems in the related art, the present utility model proposes a grooved connecting fastener for metal profiles, which can overcome the above deficiencies of the prior art.

[0006] To achieve the above technical objectives, the technical solution of the present utility model is realized as follows:

[0007] A grooved connecting fastener for metal profiles;

[0008] The grooved connecting fastener for metal profiles includes a clip. A cavity with a narrow upper part and a wide lower part is provided on the clip. A clamp is constricted and arranged in the cavity. The clamp is bent from an elastic material. The two free ends of the bent clamp are respectively a first locking part and a second locking part. When the clamp is located at the wide part of the lower part of the cavity, it is in a relaxed state where the first locking part and the second locking part are spread apart from each other. When the clamp slides to the narrow part of the upper part of the cavity, it is in a locking state where the first locking part and the second locking part are gathered towards each other.

[0009] Further, the clip sequentially includes an upper end part, a main body part, and a lower end part from top to bottom. The cavity with a narrow upper part and a wide lower part is centrally arranged on the main body part, and the cavity is symmetric about its longitudinal central axis in the left-right direction.

[0010] Further, both sides of the cavity are slideways. The slideways sequentially include an upper slideway, a transition slideway, and a lower slideway from top to bottom. The height dimensions of the upper slideway and the lower slideway are the same, and both are equal to or greater than the height dimension of the clamp.

[0011] Furthermore, the clip includes a first sliding arm, a second sliding arm and a bottom arm, the first sliding arm and the second sliding arm are respectively fitted with two vertical sides of the cavity, one end of the first sliding arm and the second sliding arm are respectively connected to one end of the first locking portion and the second locking portion, and the other ends of the first sliding arm and the second sliding arm are both connected to the bottom arm.

[0012] Furthermore, the first sliding arm and the second sliding arm are both arc-shaped, and the arcs of the first sliding arm and the second sliding arm are both concave toward the edge of the clip.

[0013] Furthermore, the first locking portion and the second locking portion are arranged opposite to each other, and the two are in a "卩" shape as a whole. The first locking portion and the second locking portion in the "卩" shape are respectively arranged opposite to the second template and the frame groove body of the first template.

[0014] Furthermore, the upper end portion and the lower end portion are both in the shape of curved curved surfaces that are convenient for hammering.

[0015] Furthermore, the intersection between the upper slideway and the transition slideway and the intersection between the transition slideway and the lower slideway are both configured as angles.

[0016] Furthermore, the intersection between the upper slideway and the transition slideway and the intersection between the transition slideway and the lower slideway are both configured as rounded corners.

[0017] Furthermore, the clip is formed by bending an elastic metal material in one piece, and the clip is mirror-symmetrical along its longitudinal center axis.

[0018] The beneficial effects of the utility model are as follows: through the technical solution of the product of the utility model, fixed connection can be achieved without drilling holes on the alloy template frame, saving the process of processing the alloy template, improving the connection and installation efficiency of the alloy template, and improving the strength and stability of the connection, thereby achieving the beneficial technical effects of improving efficiency and reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a three-dimensional diagram of a metal profile groove connection fastener in a relaxed state according to an embodiment of the utility model;

[0021] Figure 2 is a three-dimensional view of the locked state of a locking fastener for a metal profile grooved connection according to an embodiment of the present invention;

[0022] Figure 3 is a sectional view of the relaxed state of a locking fastener for a metal profile grooved connection according to an embodiment of the present invention;

[0023] Figure 4 is a sectional view of the locked state of a locking fastener for a metal profile grooved connection according to an embodiment of the present invention;

[0024] Figure 5 is a three-dimensional view of a clip of a locking fastener for a metal profile grooved connection according to an embodiment of the present invention;

[0025] In the figure: 1. Clip; 101. First sliding arm; 102. Second sliding arm; 103. Bottom arm; 104. First locking part; 105. Second locking part; 2. Clip; 201. Upper end part; 202. Upper sliding track; 203. Transition sliding track; 204. Lower sliding track; 205. Lower end part; 206. Main body part; 301. First template; 302. Second template. Specific embodiments

[0026] 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 belong to the scope of protection of the present invention.

[0027] It should be understood that in the description of the embodiments of the present invention, the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the embodiments of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the embodiments of the present invention, the meaning of "several" is two or more, unless otherwise specifically defined.

[0028] As Figures 1-5 shown, a slot - type connecting fastener for metal profiles according to an embodiment of the present utility model includes a clip 2. The clip 2 is provided with a cavity that is narrow at the top and wide at the bottom. A clamp 1 is constricted and arranged in the cavity. The clamp 1 is bent from an elastic material. The two free ends of the bent clamp 1 are respectively a first locking portion 104 and a second locking portion 105. When the clamp 1 is located at the wide part at the lower part of the cavity, it is in a relaxed state where the first locking portion 104 and the second locking portion 105 are spread apart from each other. When the clamp 1 slides to the narrow part at the upper part of the cavity, it is in a locking state where the first locking portion 104 and the second locking portion 105 are gathered towards each other.

[0029] A slot - type connecting fastener for metal profiles according to an embodiment of the present utility model, in a specific embodiment, the clip 2 successively includes an upper end portion 201, a main body portion 206, and a lower end portion 205 from top to bottom. The cavity that is narrow at the top and wide at the bottom is centrally arranged on the main body portion 206, and the cavity is bilaterally mirror - symmetric along its longitudinal central axis.

[0030] A slot - type connecting fastener for metal profiles according to an embodiment of the present utility model, in a specific embodiment, both sides of the cavity are slideways. The slideways successively include an upper slideway 202, a transition slideway 203, and a lower slideway 204 from top to bottom. The height dimensions of the upper slideway 202 and the lower slideway 204 are the same, and both are equal to or greater than the height dimension of the clamp 1.

[0031] A slot - type connecting fastener for metal profiles according to an embodiment of the present utility model, in a specific embodiment, the clamp 1 includes a first sliding arm 101, a second sliding arm 102, and a bottom arm 103. The first sliding arm 101 and the second sliding arm 102 are respectively in contact with two vertical side edges of the cavity. One ends of the first sliding arm 101 and the second sliding arm 102 are respectively connected to one ends of the first locking portion 104 and the second locking portion 105, and the other ends of the first sliding arm 101 and the second sliding arm 102 are both connected to the bottom arm 103.

[0032] A slot - type connecting fastener for metal profiles according to an embodiment of the present utility model, in a specific embodiment, both the first sliding arm 101 and the second sliding arm 102 are arc - shaped, and the arcs of the first sliding arm 101 and the second sliding arm 102 are concave towards the edge portion of the clip 2.

[0033] According to a groove-type connection fastener for metal profiles described in an embodiment of the utility model, in a specific embodiment, the first locking portion 104 and the second locking portion 105 are arranged opposite to each other, and the two are overall in a "卩" shape, and the first locking portion 104 and the second locking portion 105 in a "卩" shape are respectively arranged opposite to the frame groove bodies of the second template 302 and the first template 301.

[0034] According to a groove-type connection fastener for metal profiles described in an embodiment of the utility model, in a specific embodiment, the upper end portion 201 and the lower end portion 205 are both in the shape of a bent arc surface that is convenient for hammering.

[0035] According to a groove-type connection fastener for metal profiles described in an embodiment of the utility model, in a specific embodiment, the intersection between the upper slide 202 and the transition slide 203 and the intersection between the transition slide 203 and the lower slide 204 are both set as angles.

[0036] According to a groove-type connection fastener for metal profiles described in an embodiment of the utility model, in a specific embodiment, the intersection between the upper slide 202 and the transition slide 203 and the intersection between the transition slide 203 and the lower slide 204 are both set to rounded corners.

[0037] According to a metal profile groove connection fastener described in an embodiment of the utility model, in a specific embodiment, the clip 1 is formed by bending an elastic metal material in one piece, and the clip 1 is mirror-symmetrical along its longitudinal center axis.

[0038] In order to facilitate understanding of the above technical solution of the present invention, the above technical solution of the present invention is described in detail below through specific usage.

[0039] In specific use, a metal profile slot-type connection fastener according to the utility model includes a clip 1 and a clamp 2; by adjusting the relative positions of the clip 1 and the clamp 2, the slot-type connection fastener can be locked and relaxed, such as Figures 1-4 shown.

[0040] The clip 1 is formed by bending a steel plate with a certain elastic material. Its function is to connect and lock two adjacent first templates 301 and second templates 302 as a whole. The bent first locking portion 104 and second locking portion 105 are respectively matched with the frame shapes of the second template 302 and the first template 301 to be connected. Figure 1 In a relaxed state, Figure 2 It is in locked state.

[0041] The clip 2 is processed from a steel plate. The upper end portion 201 and the lower end portion 205 are in the form of bent arc surfaces that facilitate hammering. The clip 2 has a hollow structure, and the hollow part is a cavity that is narrower at the top and wider at the bottom. This cavity is used to install the shrinkage limit clip 1. The inner side of the cavity that is narrower at the top and wider at the bottom is a slideway, which successively includes an upper slideway 202, a transition slideway 203, and a lower slideway 204 from top to bottom. When the clip 1 is at the wider lower part corresponding to the lower slideway 204, the clip 1 is in a relaxed state where the first locking portion 104 and the second locking portion 105 are spread apart from each other. When the clip 1 slides to the narrower upper part corresponding to the upper slideway 202, the clip 1 is in a locked state where the first locking portion 104 and the second locking portion 105 are gathered towards each other. The transition slideway 203 is a transition section for the mutual conversion between the relaxed state and the locked state.

[0042] A metal profile grooved connection fastener provided by the present utility model has the following advantages:

[0043] 1. The metal profile grooved connection fastener has a simple structure, uses less material, is light in weight, and is inexpensive.

[0044] 2. The metal profile grooved connection fastener has a high installation efficiency. By hammering to change the relative positions of the clip and the clip, locking and relaxation can be achieved, and the installation is convenient.

[0045] 3. It has good strength and stability. The unique design of the metal profile grooved connection fastener has the characteristics of anti-loosening, not being easily detached after installation in place, and good connection stability.

[0046] 4. This design is superior to the traditional connection method of templates. Traditional templates need to process connection holes on the template frame and are connected by pins or bolts, which increases the procedures and makes the installation complex. Using the metal profile grooved connection fastener for connection can reduce a processing procedure of punching holes in the template.

[0047] In summary, by means of the above technical solutions of the present utility model, through the technical solutions of the products of the present utility model, fixed connection can be achieved without punching holes in the alloy template frame, saving the processing procedures for the alloy template, improving the connection and installation efficiency of the alloy template, and having better connection strength and stability. Furthermore, the beneficial technical effects of improving efficiency and reducing costs are achieved.

[0048] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A groove-type connection fastener for metal profiles, characterized in that: It includes a clip (2) with a cavity that is narrow at the top and wide at the bottom. A clamp (1) is constricted and arranged within the cavity. The clamp (1) is bent from an elastic material. The two free ends of the bent clamp (1) are respectively a first locking portion (104) and a second locking portion (105). When the clamp (1) is located at the wider part at the lower portion of the cavity, it is in a relaxed state where the first locking portion (104) and the second locking portion (105) are spread apart from each other. When the clamp (1) slides to the narrower part at the upper portion of the cavity, it is in a locked state where the first locking portion (104) and the second locking portion (105) are gathered towards each other.

2. A metal profile groove connection fastener according to claim 1, characterized in that: The clip (2) successively includes an upper end portion (201), a main body portion (206), and a lower end portion (205) from top to bottom. The cavity that is narrow at the top and wide at the bottom is centrally arranged on the main body portion (206), and the cavity is symmetric about its longitudinal central axis in a left-right mirror image.

3. A metal profile groove connection fastener according to claim 1, characterized in that: Both sides of the cavity are slideways. The slideways successively include an upper slideway (202), a transition slideway (203), and a lower slideway (204) from top to bottom. The height dimensions of the upper slideway (202) and the lower slideway (204) are the same and are both equal to or greater than the height dimension of the clamp (1).

4. A metal profile groove connection fastener according to claim 1, characterized in that: The clamp (1) includes a first sliding arm (101), a second sliding arm (102), and a bottom arm (103). The first sliding arm (101) and the second sliding arm (102) respectively fit against the two vertical side edges of the cavity. One ends of the first sliding arm (101) and the second sliding arm (102) are respectively connected to one ends of the first locking portion (104) and the second locking portion (105), and the other ends of the first sliding arm (101) and the second sliding arm (102) are both connected to the bottom arm (103).

5. A metal profile groove connection fastener according to claim 4, characterized in that: Both the first sliding arm (101) and the second sliding arm (102) are arc-shaped, and the arcs of the first sliding arm (101) and the second sliding arm (102) are concave towards the edge portion of the clip (2).

6. A metal profile groove connection fastener according to claim 1, characterized in that: The first locking portion (104) and the second locking portion (105) are arranged facing each other and are in an overall "卩" shape. The first locking portion (104) and the second locking portion (105) in the "卩" shape are respectively arranged opposite to the border groove bodies of the second template (302) and the first template (301).

7. A metal profile groove connection fastener according to claim 2, characterized in that: Both the upper end portion (201) and the lower end portion (205) are in the form of bent arc surfaces that are convenient for hammering.

8. A metal profile groove connection fastener according to claim 3, characterized in that: The junctions between the upper slideway (202) and the transition slideway (203) and the junctions between the transition slideway (203) and the lower slideway (204) are both set as fold angles.

9. A metal profile groove connection fastener according to claim 3, characterized in that: The junctions between the upper slideway (202) and the transition slideway (203) and the junctions between the transition slideway (203) and the lower slideway (204) are both set as rounded corners.

10. A metal profile groove connection fastener according to any one of claims 1 to 9, characterized in that: The clamp (1) is integrally formed and bent from an elastic metal material, and the clamp (1) is symmetric about its longitudinal central axis in a left-right mirror image.

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