Multi-salient-point welding reinforced hexagon nut

Abstract

The utility model relates to the technical field of hexagon nuts, in particular to a multi-salient-point welding reinforced hexagon nut which comprises a nut body and a metal plate matched with the nut body, a first extension portion is arranged on the lower surface of the nut body, and a second extension portion is integrally formed at the lower end of the first extension portion. A first bearing portion matched with the lower portion of the first extension portion is arranged on the surface of the metal plate, a second bearing portion matched with the second extension portion is arranged at the lower end of the first bearing portion, a plurality of first welding spots are arranged on the surface of the second extension portion, and an additional portion is annularly arranged at the position, close to the first extension portion, of the upper surface of the metal plate. And a plurality of notches are formed in the surface of the additional part. According to the hexagon nut, the number of welding spots is large, the welding spots are not located on the same plane, the hexagon nut and a metal plate are welded very firmly, meanwhile, the arranged first anti-rotation block is placed in the notch, and the hexagon nut and the metal plate are not prone to rotating relative to each other when a bolt is installed.

Description

TECHNICAL FIELD

[0001] The utility model relates to hexagon nut technical field especially relates to a kind of multi-convex point welding reinforced hexagon nut. BACKGROUND

[0002] Hexagon nut and screw, bolt, screw are used mutually, and it is connected fastening machine part effect.

[0003] For example, the authorized announcement No. "CN214888273U" is named as a kind of reinforced welding hexagonal flange nut, the reinforced welding hexagonal flange nut has the advantages that the structure design is reasonable, product use stability is high and service life is long.

[0004] The above and prior art have the following defects: the welding part of the nut is too single, so that the nut is not firm with sheet metal welding, at the same time, the nut is easy to rotate with sheet metal when installing bolt. INVENTION CONTENTS

[0005] The utility model aims at solving the shortcomings in prior art, and provides a kind of multi-convex point welding reinforced hexagon nut.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] Design a kind of multi-convex point welding reinforced hexagon nut, including nut body and the matching sheet metal of it, the first extension is equipped on the lower surface of the nut body, the lower part of the first extension is circular table, the second extension is integrally formed in the lower end of the first extension, the inner wall of the nut body, the first extension and the second extension is mounting through-hole, the inner wall of the mounting through-hole is equipped with screw thread, the surface of the sheet metal is equipped with the first supporting portion matched with the lower part of the first extension, the lower end of the first supporting portion is equipped with the second supporting portion matched with the second extension, the surface of the second extension is equipped with a plurality of first welding spots, the position of the first extension is annularly equipped with additional part on the upper surface of the sheet metal, the surface of the additional part is equipped with a plurality of notches, a plurality of the first extension circumferential surface is annularly equipped with a plurality of first anti-rotation blocks corresponding to the notches, the notches are matched with the first anti-rotation blocks, the surface of the first extension is annularly equipped with a plurality of second welding spots lower than the additional part.

[0008] Preferably, the surface of a plurality of the first anti-rotation blocks is equipped with reinforcing block, and the lower surface of a plurality of the reinforcing blocks is equipped with third welding spot.

[0009] Preferably, the inner wall of the first supporting portion is annularly equipped with a plurality of anti-rotation through holes, the surface of the first extension is equipped with a plurality of second anti-rotation blocks, a plurality of the anti-rotation through holes and a plurality of second anti-rotation blocks are one-to-one corresponding and matched, and the second anti-rotation blocks pass through the anti-rotation through holes.

[0010] Preferably, the first extension part surface is provided with a plurality of fourth welding points, the first supporting part is provided with a plurality of welding through holes near the fourth welding points, and the plurality of fourth welding points correspond to the plurality of welding through holes one by one.

[0011] Preferably, the nut body upper surface is provided with an elastic piece, the elastic piece lower surface is provided with a positioning block, the nut body upper surface is provided with a positioning groove matched with the positioning block, and the positioning block lower end extends into the positioning groove.

[0012] Preferably, the elastic piece lower surface is provided with a plurality of anti-skid grooves.

[0013] The hexagonal nut disclosed by the utility model has the advantages that: the hexagonal nut has a plurality of welding points which are not on the same plane, so that the hexagonal nut is firmly welded with sheet metal, and meanwhile, the first anti-rotation block arranged in the notch prevents the hexagonal nut from rotating relative to the sheet metal when the bolt is installed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structural explosion diagram of the utility model;

[0015] Fig. 2 It is a structural sectional view of the utility model;

[0016] Fig. 3 It is an enlarged view of position A of the utility model.

[0017] In the figure: nut body 1, sheet metal 2, first extension part 3, second extension part 4, installation through hole 5, first supporting part 6, second supporting part 7, first welding point 8, additional part 9, notch 10, first anti-rotation block 11, second welding point 12, reinforcing block 13, third welding point 14, anti-rotation through hole 15, second anti-rotation block 16, fourth welding point 17, welding through hole 18, elastic piece 19, positioning block 20, positioning groove 21. DETAILED DESCRIPTION

[0018] 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.

[0019] REFERENCE Figs. 1-3The utility model provides a kind of multi-protruding point welding reinforced hexagonal nut, including nut body 1 and the sheet metal 2 matched with it, the first extension 3 is equipped on the lower surface of nut body 1, the lower part of the first extension 3 is circular table, it is convenient for sheet metal 2 to process the first supporting portion 6 matched with it, the second extension 4 is integrally formed in the lower end of the first extension 3, the inner wall of nut body 1, the first extension 3 and the second extension 4 is mounting through-hole 5, the inner wall of mounting through-hole 5 is equipped with screw thread, the surface of sheet metal 2 is equipped with the first supporting portion 6 matched with the lower part of the first extension 3, the lower end of the first supporting portion 6 is equipped with the second supporting portion 7 matched with the second extension 4, the surface of the second extension 4 is equipped with multiple first welding points 8, the position of the upper surface of sheet metal 2 near the first extension 3 is annularly equipped with additional part 9, the surface of additional part 9 is equipped with multiple notches 10, the circumferential surface of multiple first extensions 3 is annularly equipped with multiple first anti-rotation blocks 11 corresponding to notch 10 one by one, notch 10 is matched with first anti-rotation block 11, the surface of the first extension 3 is annularly equipped with multiple second welding points 12 lower than additional part 9.

[0020] The surface of multiple first anti-rotation blocks 11 is equipped with reinforcing block 13, and the lower surface of multiple reinforcing blocks 13 is equipped with third welding point 14.

[0021] The inner wall of the first supporting portion 6 is annularly equipped with multiple anti-rotation through holes 15, the surface of the first extension 3 is equipped with multiple second anti-rotation blocks 16, multiple anti-rotation through holes 15 and multiple second anti-rotation blocks 16 correspond to and match, and the second anti-rotation block 16 passes through the anti-rotation through hole 15. By the second anti-rotation block 16 extending into the anti-rotation through hole 15, the effect of avoiding the nut body 1 from rotating is achieved.

[0022] The surface of the first extension 3 is equipped with multiple fourth welding points 17, the first supporting portion 6 is equipped with multiple welding through holes 18 near the fourth welding points 17, and the multiple fourth welding points 17 correspond to the multiple welding through holes 18 one by one.

[0023] The upper surface of the nut body 1 is equipped with an elastic member 19, the lower surface of the elastic member 19 is equipped with a positioning block 20, the upper surface of the nut body 1 is equipped with a positioning groove 21 matched with the positioning block 20, and the lower end of the positioning block 20 extends into the positioning groove 21. The elastic member 19 is provided, which can strengthen the locking force of the hexagonal nut and increase its stability. The positioning block 20 and the positioning groove 21 cooperate to achieve the positioning effect.

[0024] The lower surface of the elastic member 19 is equipped with multiple anti-skid grooves. The friction between the elastic member 19 and the upper surface of the nut body 1 is increased to prevent the elastic member 19 from sliding.

[0025] Working principle: by placing the first anti-rotation block 11 into the notch 10, while the second anti-rotation block 16 extends into the anti-rotation hole 15, then the nut is welded, by connecting the power between the nut body 1 and the sheet metal 2, forming a loop, through the instant pressure and discharge of welding, high temperature is generated at the first welding point 8, the second welding point 12, the third welding point 14 and the fourth welding point 17, after the first welding point 8, the second welding point 12, the third welding point 14 and the fourth welding point 17 are melted at high temperature, the welding structure is formed with the sheet metal 2, for welding the fourth welding point 17, the welding rod can also be inserted into the welding hole 18 for repair welding, so that the nut is welded more firmly. As described above, the nut has multiple welding points, which are not on the same plane, so that the nut and the sheet metal 2 are welded very firmly, and the first anti-rotation block 11 is placed in the notch 10, so that the nut is not easy to rotate relative to the sheet metal 2 when installing the bolt.

[0026] The above is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A multi-stud welded reinforced hexagonal nut comprising a nut body (1) and a matching sheet metal (2), characterized in that, The nut body (1) lower surface is provided with a first extension (3), the lower part of the first extension (3) is a circular truncated cone, the lower end of the first extension (3) is integrally formed with a second extension (4), the inner wall of the nut body (1), the first extension (3) and the second extension (4) is a mounting through hole (5), the inner wall of the mounting through hole (5) is provided with a thread, the surface of the sheet metal (2) is provided with a first supporting part (6) matched with the lower part of the first extension (3), the lower end of the first supporting part (6) is provided with a second supporting part (7) matched with the second extension (4), the surface of the second extension (4) is provided with a plurality of first welding points (8), the upper surface of the sheet metal (2) is annularly provided with an additional part (9) near the first extension (3), the surface of the additional part (9) is provided with a plurality of notches (10), the circumferential surface of the plurality of first extensions (3) is annularly provided with a plurality of first anti-rotation blocks (11) corresponding one-to-one with the notches (10), the notches (10) are matched with the first anti-rotation blocks (11), the surface of the first extension (3) is annularly provided with a plurality of second welding points (12) lower than the additional part (9).

2. A multi-stud welded reinforced hexagon nut according to claim 1, wherein The surface of the plurality of first anti-rotation blocks (11) is provided with a reinforcing block (13), and the lower surface of the plurality of reinforcing blocks (13) is provided with a third welding point (14).

3. A multi-stud welded reinforced hexagon nut according to claim 1, wherein The inner wall of the first supporting part (6) is annularly provided with a plurality of anti-rotation through holes (15), the surface of the first extension (3) is provided with a plurality of second anti-rotation blocks (16), the plurality of anti-rotation through holes (15) and the plurality of second anti-rotation blocks (16) correspond one-to-one and match, and the second anti-rotation blocks (16) pass through the anti-rotation through holes (15).

4. A multi-stud welded reinforced hexagon nut according to claim 1, wherein The surface of the first extension (3) is provided with a plurality of fourth welding points (17), the first supporting part (6) is provided with a plurality of welding through holes (18) near the fourth welding points (17), and the plurality of fourth welding points (17) correspond one-to-one with the plurality of welding through holes (18).

5. A multi-stud welded reinforced hexagon nut according to claim 1, wherein The upper surface of the nut body (1) is provided with an elastic member (19), the lower surface of the elastic member (19) is provided with a positioning block (20), the upper surface of the nut body (1) is provided with a positioning groove (21) matched with the positioning block (20), and the lower end of the positioning block (20) extends into the positioning groove (21).

6. A multi-stud welded reinforced hexagon nut according to claim 5, wherein The lower surface of the elastic member (19) is provided with a plurality of anti-skid grooves.

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