Square welding nut convenient to position

Abstract

The utility model discloses a square welding nut convenient to position, and relates to the technical field of square welding nuts, the square welding nut convenient to position comprises two square pieces, extension rings are fixedly arranged at the upper ends of the square pieces, and through thread grooves are jointly formed in the extension rings and the upper ends of the corresponding fixed square pieces; the square welding nut comprises two square pieces which are distributed up and down, the two square pieces which are distributed up and down are attached to each other, a plurality of welding supporting legs are fixedly arranged at the lower ends of the square pieces, a plurality of supporting leg grooves used in cooperation with the welding supporting legs are formed in the upper ends of the square pieces, and lower positioning blocks are fixedly arranged on the lower sides of the two ends of each square piece. Through the structure that the two square welding nuts can be stacked up and down, the length of the nuts can be increased, the nuts can be used in cooperation with bolts of different lengths, the bolts in the nuts are higher in firmness and better in fixing effect due to the longer threaded grooves, auxiliary positioning can be conducted during welding, and the welding accuracy can be improved.

Description

Technical Field

[0001] The present application relates to the technical field of square weld nuts, and in particular to a square weld nut that is easy to position. Background Art

[0002] Square weld nut is a kind of fastener widely used in industry and manufacturing. Square weld nut has a unique square shape design, which enables it to be fixed on the workpiece more stably during the welding process, improving the firmness and reliability of the welding.

[0003] After checking the announcement number: CN210565667U, a square welding nut is disclosed. This technology discloses "a square nut body, a threaded through hole is provided in the middle of the nut body in the axial direction, welding feet are provided at the four corners of the bottom end face of the nut body, and a lower ring body is provided in the middle position, which is characterized in that: a local recess is provided in the bottom center of each welding foot; a cover cap is provided above the threaded through hole, and the cover cap blocks the threaded through hole from above; the top end face of the nut body is integrally connected with a positioning ring body, and the outer circle of the positioning ring body is provided with an annular buckle groove, the cover cap is sleeved on the positioning ring body, and a punch point is provided on the outside of the cover cap, and the punch point forms a stamping protrusion on the inner side of the cover cap and enters the annular buckle groove and other technical solutions, with a cover cap that can be easily disassembled, which not only plays a role in thread waterproof protection, but also has a simple structure to realize the function of preventing the screw from retreating and loosening, and at the same time can better ensure the welding firmness of the welding nut and other technical effects."

[0004] In response to the above-mentioned related technologies, the inventor believes that the existing square weld nuts are not convenient to stack up and down and cannot be spliced ​​together. In this way, the length of the square weld nut is fixed, and the length of the internal thread groove is also fixed, which is not convenient for use with longer bolts, and the fixing effect of the shorter thread groove on the bolt needs to be improved. In addition, most square weld nuts are not convenient for auxiliary positioning before welding, which makes welding more troublesome and has a greater possibility of errors. Therefore, a square weld nut that is easy to position is needed to solve the above problems. Utility Model Content

[0005] The purpose of the present application is to provide a square welding nut that is easy to position, so as to improve the problem that it is inconvenient to stack them up and down and to perform auxiliary positioning before welding.

[0006] The present application provides a square weld nut that is easy to position using the following technical solution:

[0007] A square welding nut that is easy to position includes two square pieces, the upper ends of the square pieces are fixed with extension rings, and the extension rings and the upper ends of the corresponding fixed square pieces are jointly provided with a through-type threaded groove, the two square pieces distributed above and below are fit together, the lower ends of the square pieces are fixed with multiple welding legs, and the upper ends of the square pieces are provided with multiple leg grooves for matching the welding legs, lower positioning blocks are fixed to the lower sides of both ends of the square piece, and upper positioning blocks are fixed to the upper sides of both ends of the square piece.

[0008] By adopting the above technical solution, two square welded nut structures stacked up and down are formed, which can extend the length of the nut and can be used with bolts of different lengths.

[0009] Optionally, a bolt groove is provided on one side of the upper end of the lower positioning block and the upper positioning block, and a positioning bolt is connected to the inner thread of the bolt groove on the lower positioning block, and the lower end height of the positioning bolt is lower than the lower end height of the corresponding welding leg.

[0010] By adopting the above technical solution, auxiliary positioning is performed when the square weld nut is installed, and the positioning auxiliary effect is better.

[0011] Optionally, four positioning columns distributed in a ring shape are fixedly provided at the lower end of the square member, and column grooves for cooperating with the positioning columns are opened at the upper end of the square member.

[0012] By adopting the above technical solution, the positioning columns are inserted into the corresponding column grooves, thereby further improving the stability of the square parts when they are stacked up and assembled.

[0013] Optionally, there are four welding legs located at the lower end of the square member, and the four welding legs are distributed in a ring shape.

[0014] By adopting the above technical solution, the four ring-shaped welding legs ensure higher firmness of welding fixation and positioning assembly.

[0015] Optionally, an annular groove for cooperating with the extension ring is formed at the lower end of the square member.

[0016] By adopting the above technical solution, the extension ring is snapped into the corresponding annular groove, thereby improving the connection strength between the two square pieces 1 placed one above the other.

[0017] Optionally, four support plates are fixedly provided at the lower end of the square member, and four plate slots for cooperating with the support plates are opened at the upper end of the square member.

[0018] By adopting the above technical solution, the support plates are inserted into the corresponding plate slots during stacking to perform positioning reinforcement.

[0019] Optionally, the upper ends of the upper positioning blocks at both ends of the square member on the lower side fit into the corresponding lower positioning blocks, and the upper positioning bolts are connected to the corresponding upper positioning blocks and lower positioning blocks through bolt cooperation.

[0020] By adopting the above technical solution, the corresponding upper positioning block and lower positioning block are connected by positioning bolts, thereby further strengthening the connection firmness between the two square parts placed one above the other.

[0021] Optionally, the height of the lower end of the support plate is the same as the height of the lower end of the corresponding welding leg.

[0022] By adopting the above technical solution, during welding, the lower end of the support plate contacts the plate to be installed, thereby supporting and protecting the square welding nut.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] 1. This application uses two square welded nuts that can be stacked up and down to extend the length of the nut, making it suitable for use with bolts of different lengths. The longer thread groove also makes the bolt in the nut more secure and provides a better fixing effect.

[0025] 2. This application uses positioning blocks and positioning bolts to assist in positioning the square weld nuts during installation. The positioning assistance effect is good and can effectively improve the accuracy of welding fixation, thereby enhancing the firmness of the installation of the square weld nuts. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of this application.

[0027] Figure 2 This is a schematic diagram of a square component structure in this application.

[0028] Figure 3 It is an exploded schematic diagram of the cross-sectional structure of the lower square member of this application.

[0029] In the figure, 1, square part; 2, lower positioning block; 21, upper positioning block; 22, positioning bolt; 3, threaded groove; 31, extension ring; 32, annular groove; 4, welding support leg; 41, support leg groove; 5, positioning column; 51, column groove; 6, support plate; 61, plate groove. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1 -Attached Figure 3 , further details of this application are given.

[0031] Example 1

[0032] A square weld nut that is easy to position, refer to Figure 1-3 , including two square pieces 1, the upper end of the square piece 1 is welded with an extension ring 31, and the extension ring 31 and the upper end of the corresponding welded square piece 1 are jointly provided with a through-type threaded groove 3, the lower end of the square piece 1 is provided with an annular groove 32 used to cooperate with the extension ring 31, the extension ring 31 is snapped into the corresponding annular groove 32, thereby improving the connection strength between the two square pieces 1 placed up and down, and the two square pieces 1 distributed up and down are fitted together. A plurality of welding legs 4 are welded at the lower end of the square piece 1, and there are four welding legs 4 located at the lower end of the square piece 1, and the four welding legs 4 are distributed in a ring shape. The four annularly distributed welding legs 4 make the welding fixation and positioning assembly firmer, and the upper The end is provided with multiple leg grooves 41 for use with the welded legs 4, and lower positioning blocks 2 are welded on the lower sides of both ends of the square piece 1. Positioning bolts 22 are connected with the threads on the lower positioning blocks 2, and upper positioning blocks 21 are welded on the upper sides of both ends of the square piece 1. Thread grooves 3 are commonly provided in the square piece 1 and the extension ring 31 to form a square welded nut structure. The welded legs 4 can be welded at the required points, and the two square pieces 1 can be stacked up and down. Specifically, the welded legs 4 of the upper square piece 1 are inserted into the corresponding leg grooves 41, so that the length of the nut can be extended and can be used with bolts of different lengths. The longer thread groove 3 makes the bolt in the nut more firm and the fixing effect better.

[0033] Reference Figure 2 Four positioning columns 5 distributed in a ring are welded at the lower end of the square piece 1, and column grooves 51 for cooperating with the positioning columns 5 are provided at the upper end of the square piece 1. By inserting the positioning columns 5 into the corresponding column grooves 51, the stability of the square piece 1 when stacked and assembled is further improved.

[0034] Reference Figure 2 The upper ends of the upper positioning blocks 21 at both ends of the square piece 1 on the lower side are fitted with the corresponding lower positioning blocks 2, and the upper positioning bolts 22 are connected with the corresponding upper positioning blocks 21 and lower positioning blocks 2 by bolts. During assembly, the corresponding upper positioning blocks 21 and lower positioning blocks 2 are connected by the positioning bolts 22, further strengthening the connection firmness between the two square pieces 1 placed above and below.

[0035] The implementation principle of the embodiment of the present application is as follows: the square piece 1 and the extension ring 31 are both provided with a thread groove 3 to form a square welding nut structure. The welding legs 4 can be welded at the required points, and two square pieces 1 can be stacked up and down. Specifically, the welding legs 4 of the upper square piece 1 are inserted into the corresponding leg grooves 41. In this way, the length of the nut can be extended to accommodate bolts of different lengths. The longer thread groove 3 makes the bolt in the nut more secure and has a better fixing effect.

[0036] By inserting the positioning posts 5 into the corresponding post slots 51, the stability of the square pieces 1 when stacked and assembled is further improved;

[0037] During assembly, the corresponding upper positioning block 21 and lower positioning block 2 are connected by positioning bolts 22, thereby further strengthening the connection firmness between the two square pieces 1 placed one above the other.

[0038] Example 2

[0039] The difference between this embodiment and embodiment 1 is that:

[0040] Reference Figure 1-3 , a bolt groove is provided on one side of the upper end of the lower positioning block 2 and the upper positioning block 21, and the inner thread of the bolt groove on the lower positioning block 2 is connected with a positioning bolt 22. The lower end height of the positioning bolt 22 is lower than the lower end height of the corresponding welding leg 4. During welding, the two lowest positioning bolts 22 can be screwed into the points that need to be fixed to assist in positioning the square weld nut during installation. The positioning auxiliary effect is good, which can effectively improve the accuracy of welding fixation, thereby enhancing the firmness of the installation of the square weld nut.

[0041] Reference Figure 3 Four support plates 6 are welded at the lower end of the square part 1, and four plate grooves 61 are provided at the upper end of the square part 1 for use with the support plates 6. The lower end height of the support plate 6 is the same as the lower end height of the corresponding welding leg 4. When stacking, the support plate 6 is inserted into the corresponding plate groove 61 for positioning and reinforcement. When welding, the lower end of the support plate 6 contacts the plate to be installed to support and protect the square welding nut.

[0042] The examples of this specific embodiment are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, any equivalent changes made based on the structure, shape, and principle of this application should be included in the scope of protection of this application.

Claims

1. A square weld nut that is easy to position, comprising two square pieces (1), characterized in that: An extension ring (31) is fixedly provided at the upper end of the square piece (1), and a through-type threaded groove (3) is provided on the extension ring (31) and the upper end of the corresponding fixed square piece (1). The two square pieces (1) distributed above and below are fitted together. A plurality of welded legs (4) are fixedly provided at the lower end of the square piece (1), and a plurality of leg grooves (41) for matching the welded legs (4) are provided at the upper end of the square piece (1). Lower positioning blocks (2) are fixedly provided at the lower sides of both ends of the square piece (1), and upper positioning blocks (21) are fixedly provided at the upper sides of both ends of the square piece (1).

2. A square weld nut that is easy to position according to claim 1, characterized in that: Bolt slots are provided on one side of the upper ends of the lower positioning block (2) and the upper positioning block (21), and a positioning bolt (22) is threadedly connected to the bolt slot on the lower positioning block (2), and the lower end height of the positioning bolt (22) is lower than the lower end height of the corresponding welding leg (4).

3. The square weld nut for easy positioning according to claim 1, characterized in that: Four positioning columns (5) distributed in a ring shape are fixedly provided at the lower end of the square piece (1), and column grooves (51) used in conjunction with the positioning columns (5) are opened at the upper end of the square piece (1).

4. The square weld nut for easy positioning according to claim 1, characterized in that: There are four welding legs (4) located at the lower end of the square piece (1), and the four welding legs (4) are distributed in a ring shape.

5. The square weld nut that is easy to position according to claim 1, characterized in that: The lower end of the square piece (1) is provided with an annular groove (32) for use with the extension ring (31).

6. The square weld nut for easy positioning according to claim 1, characterized in that: Four support plates (6) are fixedly provided at the lower end of the square member (1), and four plate slots (61) for use with the support plates (6) are opened at the upper end of the square member (1).

7. The square weld nut for easy positioning according to claim 2, characterized in that: The upper ends of the upper positioning blocks (21) at both ends of the square member (1) on the lower side are fitted with the corresponding lower positioning blocks (2), and the upper positioning bolts (22) are connected to the corresponding upper positioning blocks (21) and the lower positioning blocks (2) through bolt matching.

8. The square weld nut for easy positioning according to claim 6, characterized in that: The height of the lower end of the support plate (6) is the same as the height of the lower end of the corresponding welding leg (4).

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