Three-section type copper nut

Abstract

The utility model provides a three-section type copper nut which comprises a nut body, a bolt and a connecting piece, the nut body is provided with a first end and a second end, a limiting ring is fixed on one side of the first end, limiting holes are symmetrically formed in the surface of the limiting ring, two sliding grooves are symmetrically formed in the bolt, and the connecting piece is arranged in the sliding grooves. A limiting hole is formed in the surface of the connecting piece, a limiting column is arranged in the sliding groove in a sliding mode, the size of the limiting column is matched with that of the limiting hole, a through hole is formed in the surface of the connecting piece, the size of the through hole is larger than that of the limiting ring, a spring is arranged in the sliding groove, one end of the spring is fixed to the groove wall of the sliding groove, and the other end of the spring is fixed to the limiting column. The anti-loosening copper nut solves the problems that most of the existing copper nuts are lack of an anti-loosening function, and when a connecting piece is exposed in a strong vibration environment, the pretightening force between the copper nut and a bolt disappears, so that the connecting piece is easily separated.

Description

Technical Field

[0001] The utility model relates to the field of nuts, in particular to a three-section copper nut. Background Art

[0002] The definition of copper nut is a nut made of copper material. Copper nut has the advantages of not easy to rust, corrosion resistance, easy heat conduction and strong electrical conductivity. It is generally used in rust prevention, high temperature, electrical conduction, thermal conductivity and other use environments, such as faucets, valves, electrical switches, etc. Another main use is injection molding, which is embedded into plastic parts after heating or directly molded. Brass has good thermal conductivity. After heating the copper nut, it is embedded. On the one hand, the copper nut can quickly heat up and speed up the work efficiency. On the other hand, the heated copper nut can quickly transfer heat to the plastic part, thereby softening the periphery of the plastic hole, which is conducive to pressing into the hole;

[0003] Most existing copper nuts lack anti-loosening function. When the connected parts are exposed to a strong vibration environment, the pre-tightening force between the copper nut and the bolt disappears, which can easily cause the connection parts to separate.

[0004] Therefore, it is necessary to provide a new three-section copper nut to solve the above-mentioned technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a three-section copper nut, which solves the problem that most existing copper nuts lack anti-loosening function. When the connected parts are exposed to a strong vibration environment, the pre-tightening force between the copper nut and the bolt disappears, which can easily lead to separation of the connected parts.

[0006] The three-section copper nut provided by the utility model comprises a nut body, a bolt and a connecting piece, wherein the nut body is provided with a first end and a second end, a limiting ring is fixed on one side of the first end, and limiting holes are symmetrically provided on the surface of the limiting ring;

[0007] Two slide grooves are symmetrically provided on the bolt, and a limit column is slidably arranged inside the slide groove, and the limit column matches the size of the limit hole;

[0008] A through hole is provided on the surface of the connecting piece, and the size of the through hole is larger than the limiting ring.

[0009] In a preferred embodiment, a spring is arranged inside the slide groove, one end of the spring is fixed to the slide groove wall, and the other end of the spring is fixed to the limiting column.

[0010] In a preferred embodiment, an arc surface is provided at one end of the limiting column away from the spring.

[0011] In a preferred embodiment, a glue coating plate is fixed at the second end, and quick-drying glue is arranged on the surface of the glue coating plate.

[0012] In a preferred embodiment, the nut body is made of HPB59-3 material.

[0013] In a preferred embodiment, the thread accuracy of the nut body is 6H, and the first end and the second end are chamfered 0.5x45° and are concentric.

[0014] Beneficial effects of the utility model:

[0015] 1. When using the nut, the staff only needs to align the through hole on the connector with the limiting ring, and then screw the bolt through the limiting ring into the nut body. During the screwing process, when the limiting column and the limiting hole are located in the same plane, under the action of the spring, the limiting column partially enters into the limiting hole, and the bolt cannot rotate under the action of the limiting column, thereby achieving the purpose of destroying the rotating pair, thereby ensuring that the bolt will not fall off due to impact when the workpiece is in use;

[0016] 2. A glue-coated plate is fixed at the second end, and quick-drying glue is arranged on the surface of the glue-coated plate. When the copper nut is fixed inside the casting, quick-drying glue can be applied to the bottom of the glue-coated plate, and then it can be fixed on the mold to ensure that the nut body will not fall over when the material is injected into the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 An exploded view of the main structure of the three-section copper nut provided by the utility model;

[0018] Figure 2 A schematic diagram of the structure of the nut body provided by the utility model;

[0019] Figure 3 A three-dimensional view of the main structure of the three-section copper nut provided by the utility model;

[0020] Figure 4 This is a structural schematic diagram of the bolt provided by the utility model.

[0021] Numbers in the figure: 1. nut body; 2. first end; 3. second end; 4. limiting ring; 5. limiting ring; 6. bolt; 7. slide groove; 8. limiting column; 9. through hole; 10. spring; 11. glue plate; 12. quick-drying glue; 13. connecting piece. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 as well as Figure 4 ,in Figure 1 An exploded view of the main structure of the three-section copper nut provided by the utility model; Figure 2 A schematic diagram of the structure of the nut body provided by the utility model; Figure 3 A three-dimensional view of the main structure of the three-section copper nut provided by the utility model; Figure 4 This is a structural schematic diagram of the bolt provided by the utility model.

[0024] In the specific implementation process, Figure 1-Figure 4 As shown, it includes a nut body 1, a bolt 6 and a connecting piece 13. The nut body 1 is made of HPB59-3 material. A first end 2 and a second end 3 are provided on the nut body 1. A limiting ring 4 is fixed on one side of the first end 2. A limiting hole 5 is symmetrically provided on the surface of the limiting ring 4. Two sliding grooves 7 are symmetrically provided on the bolt 6. A limiting column 8 is slidably provided inside the sliding groove 7. The limiting column 8 matches the size of the limiting hole 5 to ensure that the limiting column 8 can enter the limiting hole 5.

[0025] A through hole 9 is provided on the surface of the connecting member 13 . The through hole 9 is larger than the limiting ring 4 , so as to ensure that two sides of the connecting member 13 are in contact with the nut body 1 and the bolt 6 respectively.

[0026] A spring 10 is arranged inside the slide groove 7, one end of the spring 10 is fixed on the groove wall of the slide groove 7, and the other end of the spring 10 is fixed on the limit column 8. An arc surface is arranged on the end of the limit column 8 away from the spring 10. The arc surface design can ensure that the limit column 8 can slide smoothly into the slide groove 7 when it contacts the end face of the limit ring 4.

[0027] A glue-coated plate 11 is fixed at the second end 3, and quick-drying glue 12 is arranged on the surface of the glue-coated plate 11. When the copper nut is fixed inside the casting, the bottom of the glue-coated plate 11 can be coated with quick-drying glue 12 and then fixed on the mold to ensure that the nut body 1 will not fall over when the material is injected into the mold.

[0028] The thread accuracy of the nut body 1 is 6H, and the first end 2 and the second end 3 are chamfered 0.5x45° and are concentric.

[0029] The beneficial effects of the utility model are as follows: when the nut is used, the staff only needs to align the through hole 9 on the connecting piece 7 with the limiting ring 4, and then screw the bolt 6 through the limiting ring 4 into the nut body 1. During the screwing-in process, when the limiting column 8 contacts the end face of the limiting ring 4, the limiting column 8 will be completely pressed into the inside of the slide groove 7, and the bolt 6 will continue to be rotated. When the bolt 6 tightly fixes the connecting piece 13, the limiting column 8 and the limiting hole 5 are located in the same plane. At this time, under the action of the spring 10, the limiting column 8 partially enters the inside of the limiting hole 5. Under the action of the limiting column 8, the bolt 6 cannot rotate, thereby achieving the purpose of destroying the rotating pair, thereby ensuring that the bolt 6 will not fall off due to impact when the workpiece is in use.

[0030] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A three-section copper nut, comprising a nut body (1), a bolt (6) and a connecting piece (13), wherein the nut body (1) is provided with a first end (2) and a second end (3), characterized in that: A limiting ring (4) is fixed on one side of the first end (2), and limiting holes (5) are symmetrically provided on the surface of the limiting ring (4); Two slide grooves (7) are symmetrically provided on the bolt (6), and a limit column (8) is slidably arranged inside the slide groove (7), and the limit column (8) matches the size of the limit hole (5); A through hole (9) is provided on the surface of the connecting piece (13), and the size of the through hole (9) is larger than that of the limiting ring (4).

2. The three-section copper nut according to claim 1, characterized in that: A spring (10) is arranged inside the slide groove (7), one end of the spring (10) is fixed to the groove wall of the slide groove (7), and the other end of the spring (10) is fixed to the limiting column (8).

3. The three-section copper nut according to claim 2, characterized in that: An arc surface is provided at one end of the limiting column (8) away from the spring (10).

4. The three-section copper nut according to claim 3, characterized in that: A glue coating plate (11) is fixed at the second end (3), and quick-drying glue (12) is provided on the surface of the glue coating plate (11).

5. The three-section copper nut according to claim 4, characterized in that: The nut body (1) Made of HPB59-3 material.

6. The three-section copper nut according to claim 5, characterized in that: The nut body (1) The thread accuracy is 6H, and the first end (2) and the second end (3) are chamfered at 0.5x45° and are concentric.

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