Embedded nut and electronic equipment

Abstract

An embedded nut comprises a barrel, an upper end portion and a lower end portion, the upper end portion and the lower end portion are formed by protruding from the outer peripheral faces of the upper side and the lower side of the barrel along the radial outer side, the middle of the barrel further protrudes outwards to form a middle protruding portion, and a groove structure is formed in the outer surface of the middle protruding portion. The utility model further discloses the electronic equipment.

Description

Technical Field

[0001] This application relates to the field of electronic devices, and particularly to an embedded nut and an electronic device. Background Art

[0002] The Chinese Patent Application No. 202123142411.9 discloses an embedded nut, which is integrally injection-molded and fixed in an insulating body for fixing a component to the nut by a screw. The nut includes a cylinder body, and the outer diameters of the upper and lower ends of the cylinder body are greater than the outer diameter of the middle part to form ends, and a toothed structure is formed on the outer periphery of the ends. When the nut is molded in the insulating body, the middle part and the two ends of the cylinder body are wrapped by a plastic material, and the toothed structure is also filled with the plastic material. The combination of the toothed structure and the plastic material can effectively enhance the anti-torsion strength of the nut and prevent loosening due to external force when locking the screw.

[0003] After the above hot-melt nut structure is injection-molded, the average tensile force is about 34KG, and the torque is 10Kgf.cm; while some customers require that the pulling force of the M2 copper nut is greater than 32KG and the torque is more than 8Kgf.cm, and the pulling force of the M3 copper nut is greater than 60KG and the torque is more than 15Kgf.cm in some application scenarios. If the indicators of the traditional structure approach the customer requirements, it is easy to cause unqualified product performance due to individual differences in products. Summary of the Utility Model

[0004] In view of this, it is necessary to provide an embedded nut and an electronic device with higher anti-torsion ability and pulling strength.

[0005] To solve the above technical problems, this application provides an embedded nut, which includes a cylinder body and an upper end part and a lower end part protruding radially outward from the outer peripheral surfaces of the upper and lower sides of the cylinder body. A middle convex part also protrudes outward from the middle of the cylinder body, and a groove structure is formed on the outer surface of the middle convex part.

[0006] Preferably, the groove structure includes a first groove structure with an upward opening and a second groove structure with a downward opening, and the first groove structure and the second groove structure are arranged at intervals alternately.

[0007] Preferably, the groove structure is U-shaped, and a filling ring groove is also formed between the middle convex part and the upper end part and the lower end part. The first groove structure is communicated with the upper filling ring groove, and the second groove structure is communicated with the lower filling ring groove.

[0008] Preferably, the outer diameter of the middle convex part is greater than the outer diameters of the upper end part and the lower end part. When observing from top to bottom, the projection of the upper end part is located within the middle convex part and does not coincide with the first groove structure; when observing from bottom to top, the projection of the lower end part is located within the middle convex part and does not coincide with the second groove structure.

[0009] Preferably, inclined first tooth structures and second tooth structures are respectively formed on the outer peripheries of the upper end part and the lower end part, and the inclined directions of the first tooth structure and the second tooth structure are opposite.

[0010] Preferably, the widths of the first groove structure and the second groove structure are 1 mm, and the depths are 0.5 mm.

[0011] Preferably, a through hole is formed through the middle of the cylinder body, and internal threads are provided in the through hole; or threaded holes are respectively provided at the upper and lower ends of the cylinder body.

[0012] To solve the above technical problems, the present application also provides an electronic device, including a plastic body and the aforementioned embedded nut. The embedded nut is integrally injection-molded in the plastic body, and the outer periphery of the cylinder body is wrapped by the plastic body.

[0013] Preferably, both the first groove structure and the second groove structure are filled with the plastic body, and uniform holding forces are provided on the upper and lower sides.

[0014] The embedded nut of the present application forms a middle convex part protruding outward in the middle of the cylinder body, and first groove structures and second groove structures with opposite openings are provided on the outer surface of the middle convex part. After being injection-molded in the plastic body, the middle convex part and the first groove structure and the second groove structure with opposite openings on its surface can effectively enhance the uniform tensile and torsional resistance on the upper and lower sides. At the same time, the first tooth structure and the second tooth structure with opposite inclinations designed on the outer surfaces of the upper end part and the lower end part can also increase the tensile and torsional resistance at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present application, and constitute a part of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:

[0016] Figure 1 is a perspective view of the electronic device of the present application;

[0017] Figure 2 is a perspective view of the embedded nut of the present application;

[0018] Figure 3 is a cross-sectional view along the Figure 2 dotted line A-A shown;

[0019] Figure 4 is a cross-sectional view along the Figure 1 dashed line B-B shown;

[0020] Figure 5 is a perspective view of another embedded nut of the present application.

[0021] Description of reference numerals

[0022] Embedded nut - 10; Cylinder - 11; Through hole - 12; Intermediate convex portion - 13; First groove structure - 131; Second groove structure - 132; End - 14; Upper end - 141; Lower end - 142; First tooth structure - 1411; Second tooth structure - 1421; Filling ring groove - 15; Plastic body - 20. Detailed implementation manners

[0023] To make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments.

[0024] Please refer to Figures 2 to 4 as shown, the embedded nut 10 of the present application includes a cylindrical cylinder 11, a through hole 12 penetrating the cylinder 11, an intermediate convex portion 13 protruding outward from the middle of the cylinder 11, two ends 14 protruding outward from the upper and lower ends of the cylinder 11, and a filling ring groove 15 formed on the outer surface of the cylinder 11 and located between the end 14 and the intermediate convex portion 13.

[0025] The outer diameter of the intermediate convex portion 13 is larger than the outer diameters of the cylinder 11 and the end 14. Groove structures 131, 132 are provided on the outer surface of the intermediate convex portion 13. The groove structure includes a first groove structure 131 with an upward opening and a second groove structure 132 with a downward opening. The first groove structure 131 and the second groove structure 132 present different structural forms such as U-shaped and V-shaped in the vertical direction, preferably a U-shaped structure. The upper end of the first groove structure 131 is open in the vertical direction and communicates with the upper filling ring groove 15, and the lower end of the first groove structure 131 is closed as the bottom of the U-shape; the lower end of the second groove structure 132 is open in the vertical direction and communicates with the lower filling ring groove 15, and the upper end of the second groove structure 132 is closed as the bottom of the U-shape. The depth of the groove structures 131, 132 is 0.5 mm and the width is 1 mm.

[0026] The outer diameter of the end portion 14 is greater than the outer diameter of the cylinder 11 and less than the outer diameter of the middle convex portion 13. When observed from the vertical direction, the projection of the outer edge of the end portion 14 is located on the middle convex portion 13 and does not overlap with the groove structures 131 and 132. The end portion 14 includes an upper end portion 141 located above the middle convex portion 13 and a lower end portion 142 located below the middle convex portion 13. First tooth structures 1411 and second tooth structures 1421 are respectively formed on the outer circumferences of the upper end portion 141 and the lower end portion 142. Both the first tooth structures 1411 and the second tooth structures 1421 are inclined tooth structures and their inclination directions are opposite.

[0027] One filling ring groove 15 is provided on each of the upper and lower sides of the middle convex portion 13. In addition to filling with plastic to increase the holding force, the filling ring groove 15 can also be used as a knurling relief groove for processing the first tooth structures 1411 and the second tooth structures 1421.

[0028] Figures 2 to 4 The nut shown is an M2 nut. A threaded hole is formed inside the through hole 12 for screwing and fixing a screw. In other embodiments, the through hole 12 can also be closed in the middle to achieve other performances such as waterproofing.

[0029] Please continue to refer to Figure 5. The nut in this embodiment is an M3 nut. The M3 nut in this embodiment has the same structure as the M2 nut, but there are differences in length and size, which are only illustrated here and will not be described further.

[0030] In the embedded nut 10 of the present application, a middle convex portion 13 is formed by protruding outward in the middle of the cylinder 11, and a first groove structure 131 and a second groove structure 132 with opposite openings are formed on the outer surface of the middle convex portion 13. After being injection molded into the plastic body 20, the middle convex portion 13 and the first groove structure 131 and the second groove structure 132 with opposite openings on its surface can effectively enhance the anti-pull-out force and anti-torsion ability. At the same time, the first tooth structures 1411 and the second tooth structures 1421 with opposite inclinations designed on the outer surfaces of the upper end portion 141 and the lower end portion 142 can also increase the anti-pull-out force and anti-torsion force at the same time.

[0031] Please continue to refer to Figure 1 、 Figure 5 As shown in the figure, the electronic device of the present application can be a mobile phone, a computer, a display board, an access control, etc. The electronic device includes a plastic body 20. The embedded nut 10 is injection molded into the plastic body 20 by in-mold injection. The cylinder 11 is formed in the plastic body 20. The filling ring groove 15, the first tooth structures 1411, the second tooth structures 1421, the first groove structure 131, and the second groove structure 132 on the outer circumference of the cylinder 11 are all wrapped and fixed by the plastic body 20.

[0032] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0033] The above embodiments only express the preferred embodiments of the present utility model, and the description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

1. An embedded nut, comprising a cylinder body and an upper end portion and a lower end portion protruding radially outward along the outer peripheral surfaces of the upper and lower sides of the cylinder body, characterized in that, An intermediate convex portion is formed by protruding outward in the middle of the cylinder body, and a groove structure is provided on the outer surface of the intermediate convex portion.

2. The embedded nut according to claim 1, characterized in that, The groove structure includes a first groove structure with an upward opening and a second groove structure with a downward opening, and the first groove structure and the second groove structure are arranged alternately at intervals.

3. The embedded nut according to claim 2, characterized in that, The groove structure is U-shaped, and a filling ring groove is further formed between the intermediate convex portion and the upper end portion and the lower end portion. The first groove structure communicates with the upper filling ring groove, and the second groove structure communicates with the lower filling ring groove.

4. The embedded nut according to claim 3, wherein, The outer diameter of the intermediate convex portion is larger than the outer diameters of the upper end portion and the lower end portion. When observed from top to bottom, the projection of the upper end portion is located within the intermediate convex portion and does not coincide with the first groove structure; when observed from bottom to top, the projection of the lower end portion is located within the intermediate convex portion and does not coincide with the second groove structure.

5. The embedded nut according to claim 4, wherein An inclined first tooth structure and a second tooth structure are respectively provided on the outer circumferences of the upper end portion and the lower end portion, and the inclined directions of the first tooth structure and the second tooth structure are opposite.

6. The embedded nut according to claim 5, wherein, The widths of the first groove structure and the second groove structure are 1 mm, and the depths are 0.5 mm.

7. The embedded nut according to claim 1, wherein, A through hole is formed through the middle of the cylinder body, and an internal thread is provided in the through hole; or threaded holes are respectively provided at the upper and lower ends of the cylinder body.

8. An electronic device, characterized in that, It includes a plastic body and the embedded nut as described in claim 2. The embedded nut is integrally injection-molded in the plastic body, and the outer circumference of the cylinder body is wrapped by the plastic body.

9. The electronic device according to claim 8, characterized in that, Both the first groove structure and the second groove structure are filled with the plastic body and provide uniform holding force on the upper and lower sides.

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