Electric connector

Abstract

The utility model provides an electric connector, which comprises an insulating body, a plurality of terminals accommodated in the insulating body and a metal shell coated on the surface of the insulating body, the metal shell is provided with a main cover and a pair of side covers bent downwards from the two ends of the main cover, the front side edge of the main cover is provided with an upwards tilted folding edge, and the folding edge is provided with a plurality of through holes. The side cover comprises a main arm, a pair of fixed arms and a bent part; the fixed arms integrally extend downwards from the main arm; the bent part integrally extends upwards from the main arm; and the fixed arms convexly extend downwards to exceed the insulating body so as to be inserted into a circuit board. Compared with the prior art, by optimizing the structure of the metal shell and utilizing the side cover to realize the limiting and fixing of the circuit board and the butting end element, the contact stability is ensured, the application requirement of oblique insertion of the FPC soft row can be met, and the whole structure is relatively simple and convenient to operate.

Description

Technical Field

[0001] The utility model relates to the field of electrical connection, in particular to an electrical connector. Background Art

[0002] With the development trend of miniaturization and lightness of consumer electronic products such as notebooks, tablets, and mobile phones, the design and manufacturing process of their components are becoming more and more demanding. As the products become thinner and lighter, the internal space becomes very narrow, which requires that the internal layout of the product must be densely packed. The size of each electronic component is also getting smaller and smaller, and thinner and lighter. The reliability requirements for process technology and product connections are getting higher and higher. For example, the FPC flexible row (flexible board or wire row) connector is a commonly used small electrical connector, which is used to plug in the FPC flexible row (flexible board or wire row) to achieve electrical connection. There are currently two main ways to insert the FPC flexible row: horizontal insertion and vertical insertion. After the FPC flexible row is inserted, the metal shell is rotated to achieve snap-on fixation. However, these two insertion methods have certain angle restrictions and will take up more circuit board space in some application scenarios. Utility Model Content

[0003] The technical problem solved by the utility model is to provide an electrical connector to improve the limitations of the FPC soft row insertion method in the prior art.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions: an electrical connector, comprising: an insulating body, a plurality of terminals accommodated in the insulating body, and a metal shell covering the surface of the insulating body, the metal shell being provided with a main cover, a pair of side covers bent downward from both ends of the main cover, the front edge of the main cover being provided with an upwardly tilted folded edge, the side cover comprising a main arm, a pair of fixed arms extending downwardly from the main arm, and a bent portion extending upwardly from the main arm, the fixed arm protruding downwardly beyond the insulating body to be inserted into a circuit board.

[0005] Furthermore, the insulating body is provided with a front end wall, a rear end wall and a pair of side walls, the front end wall, the rear end wall and the side walls form a frame structure and a frame opening penetrating the insulating body from top to bottom is formed inside the frame structure.

[0006] Furthermore, the terminal is provided with a horizontal arm, an arc-shaped contact arm extending forward from the horizontal arm, and a welding arm extending backward from the horizontal arm, the horizontal arm is buried in the rear end wall, and the arc-shaped contact arm is distributed in the frame opening.

[0007] Furthermore, the side wall is provided with a mounting groove and a recessed platform located at the front side of the mounting groove, and the mounting groove extends backward to be between the side wall and the rear end wall.

[0008] Furthermore, the concave platform is located at both ends of the front end wall in the longitudinal direction, and the top surface of the concave platform is lower than the top surface of the front end wall.

[0009] Furthermore, the front end wall is arranged in parallel with the rear end wall, and the top surface of the front end wall is lower than the top surface of the rear end wall, and the width of the rear end wall in the front-to-back direction is greater than the width of the front end wall in the front-to-back direction.

[0010] Furthermore, the side wall is also provided with an inner retaining wall located inside the mounting groove, the inner retaining wall is integrally connected with the rear end wall and the top surface of the inner retaining wall is lower than the top surface of the rear end wall.

[0011] Furthermore, the top surface of the inner retaining wall is provided with a protrusion integrally protruding upward, and the protrusion is located on the inner side of the mounting groove; the rear end wall is arranged flush with the top surface of the side wall.

[0012] Furthermore, the angle between the tilting direction of the folded edge and the horizontal direction is 20-40 degrees.

[0013] Compared with the prior art, the utility model optimizes the structure of the metal shell and utilizes the side cover to achieve limited fixation with the circuit board and the docking end components, thereby ensuring the stability of the contact and meeting the application requirements of oblique insertion of the FPC soft row. The overall structure is relatively simple and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the electrical connector of the present invention.

[0015] Figure 2 It is a side view of the electrical connector of the present invention.

[0016] Figure 3 This is an exploded view of the electrical connector of the present invention. DETAILED DESCRIPTION

[0017] See also Figures 1 to 3 As shown, the utility model provides an electrical connector 100, comprising: an insulating body 10, a plurality of terminals 20 accommodated in the insulating body 10, and a metal shell 30 covering the surface of the insulating body 10, wherein the terminals 20 are fixed in the insulating body 10 for achieving electrical contact with a mating terminal element (such as an FPC flexible row or a circuit board), and the metal shell 30 is used for shielding and protecting, and is conducive to improving the overall strength of the electrical connector 100.

[0018] like Figure 3As shown, the insulating body 10 is provided with a front wall 11, a rear wall 12 and a pair of side walls 13. Preferably, the front wall 11, the rear wall 12 and the side walls 13 are integrally injection molded and enclose a frame structure, and a frame opening 14 is formed inside the frame structure, which is through from top to bottom. The frame opening 14 is between the front wall 11, the rear wall 12 and the side walls 13, wherein the front wall 11 and the rear wall 12 are both extended in a longitudinal shape, and the pair of side walls 13 are integrally connected to the longitudinal ends of the front wall 11 and the rear wall 12. The front wall 11 is arranged parallel to the rear wall 12, and the top surface of the front wall 11 is lower than the top surface of the rear wall 12. The width of the rear end wall 12 in the front-to-back direction is greater than the width of the front end wall 11 in the front-to-back direction. The side wall 13 is provided with a mounting groove 15 and a recessed platform 16 located in front of the mounting groove 15. The mounting groove 15 extends backward to be formed between the side wall 13 and the rear end wall 12. The recessed platform 16 is located at both ends of the longitudinal direction of the front end wall 11, and the top surface of the recessed platform 16 is lower than the top surface of the front end wall 11. Preferably, the side wall 13 is also provided with an inner retaining wall 17 located inside the mounting groove 15. The inner retaining wall 17 is integrally connected with the rear end wall 12 and the top surface of the inner retaining wall 17 is lower than the top surface of the rear end wall 12. The top surface of the inner retaining wall 17 is provided with a protrusion 18 protruding upwards in one piece. The protrusion 18 is located inside the mounting groove 15 and is used to limit the butt-end component (such as an FPC soft row or a circuit board). Preferably, the rear end wall 12 is flush with the top surface of the side wall 13.

[0019] The terminal 20 is provided with a horizontal arm 21, an arc-shaped contact arm 22 extending forward from the horizontal arm 21, and a welding arm 23 extending backward from the horizontal arm 21. The horizontal arm 21 is integrally embedded in the rear end wall 12 to fix the terminal 20 on the insulating body 10, and the arc-shaped contact arm 22 extends into the frame opening 14 to be crimped and contacted with the butt-end component (such as an FPC flexible row or a circuit board). The welding arm 23 extends backward and protrudes from the rear end wall 12 to be welded to a circuit board (not shown).

[0020] The metal shell 30 is provided with a main cover 31 covering the rear end wall 12, and a pair of side covers 38 bent downward from both ends of the main cover 31. The main cover 31 is narrow and long, and the front edge of the main cover 31 is provided with an upwardly tilted folded edge 32 and a pair of openings 33 at both ends of the folded edge 32, wherein the angle A between the tilted direction of the folded edge 32 and the horizontal direction is 20-40 degrees, and the reference Figure 2As shown, the side cover 38 is integrally stamped with the main cover 31, and the side cover 38 includes a main arm 34, a pair of fixing arms 37 extending downward from the main arm 34, and a bending portion 35 extending upward from the main arm 34. The main arm 34 extends horizontally in the front-to-back direction to be clamped in the mounting groove 15, and the pair of fixing arms 21 are vertically inserted downward into the mounting groove 15 and protrude from the bottom surface of the side wall 13 to be fixed on the circuit board. Figure 2 . The bending portion 35 protrudes slightly inward, and is used to limit the docking end component in the vertical direction. Preferably, a widening operating portion 36 is provided at the front end of the main arm 34, and the upper and lower sides of the widening operating portion 36 both protrude from the main arm 34, and the widening operating portion 36 and the bending portion 35 are arranged adjacent to each other front and back. Preferably, the bottom edge of the main arm 34 abuts against the recessed platform 16, and the widening operating portion 36 is located at the front end of the side wall 13, and the widening operating portion 36 is used to perform an outward expansion operation on the main arm 34 of the side cover 38, thereby facilitating the loading and unloading of the docking end components. The metal shell 30 relies on a pair of side covers 38 to achieve fixed combination with the circuit board, and at the same time, also relies on a pair of side covers 38 to achieve the limitation of the docking end components.

[0021] In summary, the electrical connector of the utility model can meet the application requirements of oblique insertion of the FPC flexible row by optimizing the structure of the metal shell 30, and at the same time uses the side cover 38 to achieve limited fixation with the circuit board and the docking end components to ensure the stability of the contact, and the overall structure is relatively simple and easy to operate.

[0022] The above is only the best embodiment of the utility model and does not limit the utility model in any form. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the utility model by using the method disclosed above without departing from the scope of the technical solution of the utility model, which all fall within the scope of protection of the claims.

Claims

1. An electrical connector, comprising: An insulating body, a plurality of terminals accommodated in the insulating body, and a metal shell covered on the surface of the insulating body, characterized in that: the metal shell is provided with a main cover, a pair of side covers bent downward from both ends of the main cover, the front edge of the main cover is provided with an upwardly tilted folded edge, the side cover includes a main arm, a pair of fixed arms extending downward from the main arm, and a bent portion extending upward from the main arm, the fixed arm protrudes downward beyond the insulating body to be inserted into a circuit board.

2. The electrical connector according to claim 1, wherein: The insulating body is provided with a front end wall, a rear end wall and a pair of side walls. The front end wall, the rear end wall and the side walls form a frame structure and a frame opening penetrating the insulating body from top to bottom is formed inside the frame structure.

3. The electrical connector according to claim 2, wherein: The terminal is provided with a horizontal arm, an arc-shaped contact arm extending forward from the horizontal arm, and a welding arm extending backward from the horizontal arm. The horizontal arm is buried in the rear end wall, and the arc-shaped contact arm is distributed in the frame opening.

4. The electrical connector according to claim 3, wherein: The side wall is provided with a mounting groove and a recessed platform located at the front side of the mounting groove, and the mounting groove extends backward to be between the side wall and the rear end wall.

5. The electrical connector according to claim 4, wherein: The concave platform is located at two longitudinal ends of the front end wall, and the top surface of the concave platform is lower than the top surface of the front end wall.

6. The electrical connector according to claim 5, wherein: The front end wall is arranged in parallel with the rear end wall, and the top surface of the front end wall is lower than the top surface of the rear end wall, and the width of the rear end wall in the front-to-back direction is greater than the width of the front end wall in the front-to-back direction.

7. The electrical connector according to claim 6, wherein: The side wall is also provided with an inner retaining wall located inside the mounting groove, the inner retaining wall is integrally connected with the rear end wall and the top surface of the inner retaining wall is lower than the top surface of the rear end wall.

8. The electrical connector according to claim 7, wherein: The top surface of the inner retaining wall is provided with a protrusion integrally protruding upward, and the protrusion is located on the inner side of the mounting groove; the rear end wall is arranged flush with the top surface of the side wall.

9. The electrical connector according to any one of claims 1 to 8, characterized in that: The angle between the tilting direction of the folded edge and the horizontal direction is 20-40 degrees.

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