U-shaped fastening nut

Abstract

A U-shaped fastening nut comprises a clamping part and a screwing part. The clamping part comprises a first arm component, a second arm component, a connecting wall, a locking convex block and a guide edge. And the first arm component is obliquely arranged towards the second arm component. The guide edges are arranged on the arc surfaces of the first arm component and the second arm component and the outer edges of the locking protruding blocks. And in the direction from the outer side to the inner side of the clamping part, the guide edge is obliquely arranged from the round edge to the circle center. And the screw joint part is arranged below the second arm component. The first reinforcing rib is arranged below the second arm component and on the outer side of the screw joint part or arranged on the outer side of the connecting wall and connected with the lower portion of the second arm component and the outer side of the screw joint part. According to the U-shaped fastening nut, the first arm component, the guide groove and the first reinforcing rib are obliquely arranged, so that an installation thin plate is more easily pushed into the clamping part and locked, meanwhile, the structural strength is enhanced, and the service life of the installation thin plate is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of U-shaped nut, especially relates to a U-shaped fastening nut. BACKGROUND

[0002] The U-shaped fastening nut is used for clamping the metal sheet with thin thickness, so that the metal sheet can be fixed and installed under the condition of not being damaged.

[0003] There is a U-shaped nut fastener assembly with a publication number CN102027247B on Chinese patent network. It includes a U-shaped nut fastener, including a first arm member, a second arm member integrally formed with the first arm member, a clamping portion integrally formed between the first and second arm portions, so that the first arm member, the second arm member and the clamping portion are oriented to form a substantially U-shaped. The nut includes a single helical line, having a proximal end and a distal end separated by a longitudinal gap. The U-shaped nut fastener assembly further includes a fastener device adapted to be received within the U-shaped nut fastener. The single helical line has a proximal end, a distal end and a gap between the proximal end and the distal end. The U-shaped nut assembly is provided to prevent the fastener device from loosening relative to the U-shaped nut fastener. And provide the operator with tactile indication to install the U-shaped nut assembly.

[0004] Although the above-mentioned U-shaped nut fastener assembly has good locking effect, but there is still some deficiency in the convenience of installation and disassembly, and the overall structural strength is also lacking. UTILITY MODEL CONTENT

[0005] Therefore, the utility model provides a U-shaped fastening nut to solve the above-mentioned problems.

[0006] A U-shaped fastening nut includes a clamping portion, a screwing portion integrally formed with the clamping portion, and a first reinforcing rib provided between the clamping portion and the screwing portion. The clamping portion includes a first arm member, a second arm member provided opposite to the first arm member, a connecting wall connecting the first and second arm members, a locking protrusion provided on the first arm member, and two guide edges provided on edges of the first and second arm members, respectively. The first arm member is obliquely provided toward the second arm member. The second arm member is perpendicular to the connecting wall. The first and second arm members are provided in a U shape, and are provided in a circular arc shape opposite to the connecting wall. The guide edges are provided on the circular arc surfaces of the first and second arm members and outer edges of the locking protrusion. In a direction from an outer side to an inner side of the clamping portion, the guide edges are obliquely provided from a circular edge toward a center of the circular edge. The screwing portion is provided below the second arm member. The first reinforcing rib is provided below the second arm member and outside the screwing portion or is provided outside the connecting wall and connects the below of the second arm member and the outside of the screwing portion.

[0007] Further, an angle between a plane of the first arm member and a direction of a plane perpendicular to the connecting wall is 5 degrees.

[0008] Further, the U-shaped fastening nut includes a first mounting hole provided through the clamping portion, and a second mounting hole provided through the screwing portion.

[0009] Further, a plurality of second reinforcing ribs are provided at an outer periphery of a connection between the second arm member and the screwing portion, and the second reinforcing ribs are provided in an extension direction parallel to an extension direction of the screwing portion.

[0010] Further, the first mounting hole is provided through the first arm member, and the second mounting hole is provided through the second arm member and the screwing portion.

[0011] Further, the second mounting hole is provided in a stepped hole, and a larger diameter of the second mounting hole is provided on the second arm member, and a smaller diameter of the second mounting hole is provided below the second arm member.

[0012] Further, an extension direction of the first mounting hole is perpendicular to the first arm member, an extension direction of the second mounting hole is the same as the extension direction of the first mounting hole or is obliquely provided in a direction perpendicular to the second arm member from the extension direction of the first mounting hole provided on the first arm member, and the extension direction of the second mounting hole is perpendicular to the second arm member.

[0013] Further, the locking protrusion is circular in shape, and the center of the locking protrusion is arranged on the same line as the center of the first mounting hole.

[0014] Further, the screwing part is provided with two clamping grooves at the end of the clamping part, or the clamping grooves are not provided.

[0015] Compared with the prior art, the U-shaped fastening nut provided by the utility model is provided with the clamping part and the screwing part, and the first and second reinforcing ribs are used to make the installation operation more convenient and to strengthen the overall structural strength and prolong the service life. The first arm member of the clamping part is arranged to be inclined towards the second arm member, so that the spacing between the first arm member and the second arm member is reduced, and the connecting piece is conveniently screwed and installed with the first and second arm members. The guide edge of the clamping part is arranged on the arc surface of the first and second arm members and the outer edge of the locking protrusion, so as to facilitate the installation of the installation sheet into the first and second arm members. The clamping grooves of the screwing part are arranged opposite to the end of the clamping part away from the screwing part, and are used to fix the screwing part when the connecting piece installed in the U-shaped fastening nut is disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A structural schematic view of a U-shaped fastening nut provided for an embodiment one.

[0017] Figure 2 Another angle structural schematic view of the U-shaped fastening nut provided for the embodiment one.

[0018] Figure 3 A sectional view of the U-shaped fastening nut. Figure 1

[0019] A structural schematic view of a U-shaped fastening nut provided for an embodiment two. Figure 4

[0020] A sectional view of the U-shaped fastening nut. Figure 5 DETAILED DESCRIPTION Figure 4 The specific embodiments of the utility model are further described in detail below. It should be understood that the description of the embodiments of the utility model herein is not used to limit the protection scope of the utility model.

[0021] The specific embodiments of the utility model are further described in detail below. It should be understood that the description of the embodiments of the utility model herein is not used to limit the protection scope of the utility model.

[0022] ​The terms used herein are intended to explain the embodiments and are not intended to limit and / or define the utility model. It needs to be understood that the orientations or positional relationships indicated by the terms "front", "back", "left", "right", "up", "down" and the like are based on the orientations or positional relationships shown in the drawings, or are the orientations or positional relationships commonly placed when the utility model product is used, or are the orientations or positional relationships commonly understood by those skilled in the art, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.

[0023] Please refer to Figures 1 to 3 , which is a structural diagram of a U-shaped fastening nut provided by the utility model. The U-shaped fastening nut comprises a clamping portion 10, a screwing portion 20 integrally formed with the clamping portion 10, a first mounting hole 30 penetratingly arranged on the clamping portion 10, a second mounting hole 40 penetratingly arranged on the screwing portion 20, and a first reinforcing rib 50 arranged between the clamping portion 10 and the screwing portion 20. It can be conceived that the U-shaped fastening nut 20 also comprises other functional modules, such as threads, which are known to those skilled in the art, and will not be described here.

[0024] The clamping portion 10 comprises a first arm member 11, a second arm member 12 arranged opposite to the first arm member 11, a connecting wall 13 connecting the first and second arm members 11 and 12, a locking protrusion 14 arranged on the first arm member 11, and two guide edges 15 arranged at the edges of the first and second arm members 11 and 12 respectively.

[0025] The first arm member 11 is arranged obliquely towards the second arm member 12, so that the distance between the first arm member 11 and the second arm member 12 is reduced, facilitating the rotation and installation of the connecting member with the first and second arm members 11 and 12. The second arm member 12 is perpendicular to the connecting wall 13. In this embodiment, the included angle between the plane where the first arm member 11 is located and the plane direction perpendicular to the connecting wall 13 is 5 degrees. The outer contours of the first and second arm members 11 and 12 are arranged in a U shape, and the side opposite to the connecting wall 13 is arranged in a circular arc shape.

[0026] The locking protrusion 14 is arranged on the side of the first arm member 11 towards the second arm member 12. The locking protrusion 14 is arranged in a circular shape. The center of the locking protrusion 14 and the center of the first mounting hole 30 are arranged on the same straight line.

[0027] The guide edge 15 is arranged on the arc surface of the first and second arm members 11, 12 and the outer edge of the locking protrusion 14. In the direction from the outside to the inside of the clamping part 10, the guide edge 15 is arranged from the arc edge to the center of the arc, so as to facilitate the pushing of the required sheet into the first and second arm members 11, 12 for installation.

[0028] The screwing part 20 is arranged below the second arm member 12 and inside the outer contour of the second arm member 12. The screwing part 20 is integrally formed with the second arm member 12. The screwing part 20 is arranged in a cylindrical shape.

[0029] The first installation hole 30 is arranged through the first arm member 11 and the locking protrusion 14. The diameter of the first installation hole 30 is smaller than the diameter of the locking protrusion 14. The extension direction of the first installation hole 30 is perpendicular to the first arm member 11.

[0030] The second installation hole 40 is arranged through the second arm member 12 and the screwing part 20. The extension direction of the second installation hole 40 is the same as that of the first installation hole 30. The second installation hole 40 is arranged corresponding to the first installation hole 30.

[0031] The first reinforcing rib 50 is arranged below the second arm member 12 and outside the screwing part 20, so as to reinforce the structural strength of the screwing part 20. Embodiment Two

[0032] This embodiment is an improvement based on embodiment one. The parts disclosed in embodiment one are not repeated here. The content disclosed in embodiment one also belongs to the content disclosed in embodiment two.

[0033] See Figures 4 to 5 which is a structural schematic view of a U-shaped fastening nut according to embodiment two. Compared with embodiment one, embodiment two is different in that:

[0034] The second installation hole 40 is arranged in a stepped hole. The second installation hole 40 with a large diameter is arranged on the second arm member 12, and the second installation hole 40 with a small diameter is arranged below the second arm member 12, so as to facilitate the installation of connecting members with different specifications. The extension direction of the first installation hole 30 arranged on the first arm member 11 is arranged obliquely to the direction perpendicular to the second arm member 12. The extension direction of the second installation hole 40 is perpendicular to the second arm member 12.

[0035] The screwing part 20 is provided with two clamping grooves 21 respectively at the outer periphery of the end of the clamping part 10. The clamping grooves 21 are oppositely arranged, so that the end of the clamping part 10 is provided with two side edges parallel to each other, so that when the U-shaped fastening nut 20 is disassembled or installed, the wrench can be clamped on the clamping groove 21 to fix the screwing part 20.

[0036] The first reinforcing rib 50 is also arranged outside the connecting wall 13 and connects the lower side of the second arm member 12 and the outer side of the screwing part 20. A plurality of second reinforcing ribs 51 are arranged at the outer periphery of the connection between the second arm member 12 and the screwing part 20. The extension direction of the second reinforcing rib 51 is parallel to the extension direction of the screwing part 20.

[0037] Compared with the prior art, the U-shaped fastening nut 20 provided by the utility model is provided with the clamping part 10, the screwing part 20, the first and second reinforcing ribs 50 and 51, which are used to make the installation operation more convenient and also strengthen the overall structural strength and prolong the service life. The first arm member 11 of the clamping part 10 is arranged obliquely towards the second arm member 12, so that the distance between the first arm member 11 and the second arm member 12 is reduced, and the connecting piece is conveniently screwed and installed with the first and second arm members 11 and 12. The guide edge 15 of the clamping part 10 is arranged on the arc surface of the first and second arm members 11 and 12 and the outer edge of the locking lug 14, so as to facilitate the installation of the thin plate into the first and second arm members 11 and 12. The clamping grooves 21 of the screwing part 20 are oppositely arranged at the end of the screwing part 20 away from the clamping part 10, which is used to fix the screwing part 20 when the connecting piece installed in the U-shaped fastening nut 20 is disassembled or installed.

[0038] The above is only the preferred embodiment of the utility model, and is not used to limit the protection scope of the utility model, and any modification, equivalent replacement or improvement within the utility model spirit is covered in the claim scope of the utility model.

Claims

1. A U-shaped fastening nut, characterized by: The U-shaped fastening nut comprises a clamping portion, a screwing portion integrally formed with the clamping portion, and a first reinforcing rib arranged between the clamping portion and the screwing portion.

2. The U-shaped fastening nut according to claim 1, characterized in that: The first arm member is arranged obliquely towards the second arm member, and the second arm member is perpendicular to the connecting wall.

3. The U-shaped fastening nut according to claim 1, wherein: The U-shaped fastening nut comprises a first mounting hole arranged through the first arm member, and a second mounting hole arranged through the second arm member and the screwing portion.

4. The U-shaped fastening nut according to claim 1, wherein: The second arm member is provided with a plurality of second reinforcing ribs at the outer periphery of the connecting portion.

5. The U-shaped fastening nut according to claim 3, wherein: The first mounting hole is arranged through the first arm member, and the second mounting hole is arranged through the second arm member and the screwing portion.

6. The U-shaped fastening nut according to claim 3, wherein: The second mounting hole is arranged as a stepped hole, and the second mounting hole with a larger diameter is arranged on the second arm member, and the second mounting hole with a smaller diameter is arranged below the second arm member.

7. The U-shaped fastening nut according to claim 3, wherein: The extending direction of the first mounting hole is perpendicular to the first arm member, and the extending direction of the second mounting hole is the same as the extending direction of the first mounting hole or is arranged obliquely to the direction perpendicular to the second arm member.

8. The U-shaped fastening nut according to claim 3, wherein: The outer contour of the locking protrusion is arranged in a circular shape, and the center of the locking protrusion is arranged on the same straight line as the center of the first mounting hole.

9. The U-shaped fastening nut according to claim 1, wherein: The screwing portion is provided with two clamping grooves at the outer periphery of the distal end of the clamping portion, or is not provided with the clamping grooves.

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