Electric connector

Abstract

An electric connector provided by the utility model comprises an insulation body, a plurality of terminals, a metal overturning cover and a fixing piece, the insulation body is provided with a bottom wall, a top wall and a pair of side walls, the bottom wall is provided with a plurality of terminal grooves for accommodating the plurality of terminals, the terminals are provided with contact arms protruding out of the terminal grooves, and the metal overturning cover is provided with a plurality of through holes. The metal overturning cover is provided with a substrate and a pair of pivotal shafts protruding out of the two ends of the substrate. The side wall is provided with a pair of supporting tables distributed on the two sides of a plurality of terminal grooves, the pivotal shaft is supported on the supporting tables, and the fixing piece is provided with a fixing arm inserted in the side wall and a stop arm shielding the upper side and the outer side of the pivotal shaft. According to the utility model, the structure of the metal overturning cover is optimized, and the metal overturning cover is reliably and stably fixed on the insulating body by using the pair of fixing pieces, so that the reliable and stable contact force can be provided for the butting end element and the terminal while the overturning operation is realized, and the signal transmission is more stable.

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 increasingly demanding. As the products become thinner and lighter, the internal space becomes very narrow, which requires a dense layout inside the product. The size of each electronic component is getting smaller and smaller, and thinner and lighter. The reliability requirements for the process technology and product connection are getting higher and higher. For example, the FPC soft row (flexible board or wire row) connector is a commonly used small electrical connector, which is used to plug in the FPC soft row (flexible board or wire row) to achieve electrical connection. However, due to the relatively thin and light size of the FPC soft row connector, it is often prone to loose contact and unstable signal transmission. Utility Model Content

[0003] The technical problem solved by the utility model is to provide an electrical connector to improve the problem of poor contact stability 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, a metal flip cover covering the insulating body, and a pair of fixing parts installed at both ends of the insulating body, the insulating body is provided with a bottom wall, a top wall and a pair of side walls, the bottom wall is provided with a plurality of terminal slots for accommodating the plurality of terminals, the terminals are provided with contact arms protruding from the terminal slots, the metal flip cover is provided with a base plate and a pair of pivot shafts protruding from both ends of the base plate; the side walls are provided with a pair of support platforms distributed on both sides of the plurality of terminal slots, the pivot shaft is supported on the support platforms, and the fixing part is provided with a fixing arm inserted in the side walls and a stop arm shielding the upper and outer sides of the pivot shaft.

[0005] Furthermore, the pivot shaft is located on the inner side of the stop arm, the stop arm is L-shaped, and one end of the stop arm is buried in the side wall, and the other end covers the front side of the side wall.

[0006] Furthermore, the bottom wall is provided with a front end surface, the top wall is provided with a rear end surface, and the terminal groove penetrates the bottom wall upward and passes through the front end surface and the rear end surface in the front-to-back direction.

[0007] Furthermore, a fixing groove for inserting the fixing member is formed on the side wall, the support platform is located inside the fixing groove and distributed at both longitudinal ends of the bottom wall, and the support platform is integrally connected to both longitudinal ends of the bottom wall.

[0008] Furthermore, a pair of recessed portions that are recessed downward are provided at both longitudinal ends of the bottom wall, the recessed portions are adjacent to the support platform and are integrally connected, and the pair of recessed portions are distributed at both ends of the plurality of terminal slots.

[0009] Furthermore, the metal flip cover is also provided with an inner pressure plate extending backward from the front edge of the base plate, the base plate is in the shape of a horizontally extending flat plate, and a pair of limit arms extending downwardly inclined are formed on the base plate, and the pair of limit arms are distributed at both ends of the inner pressure plate.

[0010] Furthermore, the inner pressure plate is located below the substrate and directly above the contact arm of the terminal, thereby forming a clamping space between the contact arm of the terminal and the inner pressure plate; the inner pressure plate is arranged parallel to the substrate, and the end of the inner pressure plate is bent and extended toward the substrate and abuts against the substrate.

[0011] Furthermore, a plurality of circular protrusions facing the base plate are formed on the inner pressure plate; a limiting protrusion extending toward the bottom wall is provided on the limiting arm, and the limiting protrusion and the concave portion of the bottom wall are arranged in upper and lower correspondence.

[0012] Furthermore, a holding piece is formed on the rear edge of the substrate and is bent downward, and the holding piece is held on the rear end surface of the insulating body.

[0013] Furthermore, the rear edge of the base plate is a cover-lifting operation position, and the rear edge is also provided with a pair of locking pieces, which are integrally formed at both longitudinal ends of the base plate and snap-fit ​​with the side walls.

[0014] Compared with the prior art, the utility model optimizes the structure of the metal flip cover and uses a pair of fixing parts to reliably and firmly fix the metal flip cover on the insulating body. While realizing the flipping operation, it can provide reliable and stable contact force for the docking end components and terminals, making signal transmission more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional assembly diagram of the electrical connector of the utility model.

[0016] Figure 2 It is a cross-sectional view of the electrical connector of the present invention.

[0017] Figure 3 It is a three-dimensional exploded view of the electrical connector of the utility model.

[0018] Figure 4 It is a three-dimensional diagram of the metal flip cover of the electrical connector of the utility model.

[0019] Figure 5It is a partial enlarged view of the insulating body of the electrical connector of the utility model.

[0020] Figure 6 The figure is a schematic diagram of the installation process of the metal flip cover of the electrical connector of the utility model. DETAILED DESCRIPTION

[0021] See also Figures 1 to 6 As shown, the utility model provides an electrical connector, including: an insulating body 11, a plurality of terminals 12 accommodated in the insulating body 11, a metal flip cover 13 covering the surface of the insulating body 11, and a pair of fixing members 14 assembled at both ends of the insulating body 11. The terminals 12 are fixed in the insulating body 11 for achieving electrical contact with a mating terminal component (such as an FPC soft board or a wire row), the metal flip cover 13 is used for shielding and protection, and is conducive to improving the overall strength of the electrical connector 100, and the fixing member 14 is used to fix the electrical connector on a circuit board (not shown).

[0022] like Figure 3 and Figure 5 As shown, the insulating body 11 is provided with a top wall 110, a bottom wall 111, and a pair of side walls 112, and the bottom wall 111 is provided with a front end face 113, and the top wall 110 is provided with a rear end face 114. The bottom wall 111 is provided with a plurality of terminal grooves 115, and the terminal grooves 115 penetrate the front end face 113 and the rear end face 114 in the front-to-back direction, and are used to accommodate the terminals 12, and the terminal grooves 115 penetrate the bottom wall 111 upwardly, so that the terminals can protrude upwardly from the bottom wall 111, and realize the crimping contact with the mating terminal components (such as FPC soft board or line row). Preferably, the rear end face 114 is provided with a pair of convex ribs 17 protruding backwards and a card slot 18 between the inner side of the convex ribs 17 (see Figure 3 ), which is used to be snap-fitted with the metal flip cover 13. The side wall 112 is formed with a fixing groove 15 for the fixing member 14 to be inserted into, and a support platform 16 located at the front end of the fixing groove 15. Figure 5 The fixing groove 15 extends in the front-to-back direction so that the fixing piece 14 can be inserted into the fixing groove 15 from front to back. The support platform 16 is located on the inner side of the fixing groove 15 and is distributed at both longitudinal ends of the bottom wall 111. The support platform 16 is integrally connected to both longitudinal ends of the bottom wall 111 for supporting the metal flip cover 13. Preferably, a pair of recessed portions 19 are provided at both longitudinal ends of the bottom wall 111. The recessed portions 19 are adjacent to and integrally connected to the support platform 16. The pair of recessed portions 19 are distributed at both ends of the terminal grooves 15.

[0023] The terminal 12 is in the shape of an elongated strip, extending in the front-to-back direction and inserted into the terminal slot 115 of the insulating body 11 from back to front, and the terminal 12 is provided with a main arm 121, a contact arm 122 extending forward from the main arm 121, and a welding arm 123 extending backward from the main arm 121, the main arm 121 is clamped in the bottom wall 111 to achieve a fixed connection, the contact arm 122 protrudes upward from the upper surface of the bottom wall 111 to be crimped onto the docking terminal element (such as an FPC flexible row) to achieve electrical contact, and the end 124 of the contact arm 122 is received in the terminal slot 115 and is lower than the upper surface of the bottom wall 111.

[0024] The metal flip cover 13 is provided with a base plate 131, a pair of pivot shafts 132 protruding from both ends of the base plate 131, and an inner pressure plate 133 formed by folding back and extending from the front edge of the base plate 131. The base plate 131 is in the shape of a horizontally extending flat plate, and a pair of limiting arms 134 extending downwardly obliquely are formed on the base plate 131. The limiting arms 134 extend toward the bottom wall 111 to limit the docking end components below the metal flip cover 13, and the pair of limiting arms 134 are distributed at both ends of the inner pressure plate 133. Preferably, the limiting arms 134 are provided with a limiting protrusion 135 protruding toward the bottom wall 111 for clamping and limiting the docking end components, and the limiting protrusion 135 and the concave portion 19 of the bottom wall 111 are arranged in upper and lower correspondence. The rear edge of the base plate 131 is formed with a downwardly bent retaining piece 136, which is retained in the retaining groove 18 to achieve position fixing with the insulating body 11. The pair of pivot shafts 132 are integrally connected with the base plate 131 and are used to be mounted on the support platform 16 of the side wall 112. Figure 6The inner pressure plate 133 is located below the substrate 131 and is distributed directly above the contact arm 122, so that a clamping space for clamping the docking end element is formed between the inner pressure plate 133 and the contact arm 122, and the arrangement of the inner pressure plate 133 can increase the contact force between the contact arm 122 and the docking end element, making the contact between the two more stable and reliable. Preferably, the inner pressure plate 133 is arranged parallel to the substrate 131, and the end of the inner pressure plate 133 is bent and extended toward the substrate 131 and abuts against the substrate 131 to avoid damage to the docking end element when it is pulled out, and a plurality of circular protrusions 138 facing the substrate 131 are formed on the inner pressure plate 133. It should be noted that the metal flip cover 13 of the utility model is operated by rear flipping, that is, the rear edge of the base plate 131 of the metal flip cover 13 is the flipping operation position, and the opening or closing of the metal flip cover 13 is achieved by the pivot shaft 132. Preferably, in order to enhance the snapping force between the metal flip cover 13 and the insulating body 11, a pair of locking pieces 137 are further provided on the rear edge of the base plate 131. The pair of locking pieces 137 are integrally formed at the longitudinal ends of the base plate 131. When the metal flip cover 13 is closed and snapped downward, the locking pieces 137 snap-fit ​​with the rear end portions 116 of the pair of side walls 112 to achieve position locking.

[0025] The pair of fixing members 14 are assembled at both ends of the insulating body 11. Figure 3 and Figure 6 The fixing member 14 is provided with a fixing arm 141 inserted into the fixing groove 15, a mounting foot 142 bent outward from the bottom edge of the fixing arm 141 and extending, and a stop arm 143 bent inward from the top edge of the fixing arm 141. The fixing arm 141, the mounting foot 142 and the stop arm 143 are integrally stamped and connected to each other. The stop arm 143 is L-shaped, which blocks the upper and outer sides of the pivot shaft 132 to limit the pivot shaft 132 on the support platform 16 and prevent it from detaching, so that the pivot shaft 132 is located as a whole on the inner side of the stop arm 143, and one end of the stop arm 143 is buried in the insulating body 11, and the other end covers the front side of the insulating body 11.

[0026] In summary, the utility model optimizes the structure of the metal flip cover 13 and uses a pair of fixing parts 14 to reliably and firmly fix the metal flip cover 13 on the insulating body 11. While realizing the flipping operation, it can provide reliable and stable contact force between the docking end component and the terminal 12, making the signal transmission more stable.

[0027] 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 received in the insulating body, a metal flip cover covering the insulating body, and a pair of fixing members mounted at both ends of the insulating body, wherein the insulating body is provided with a bottom wall, a top wall and a pair of side walls, the bottom wall is provided with a plurality of terminal slots for accommodating the plurality of terminals, the terminals are provided with contact arms protruding out of the terminal slots, and characterized in that: The metal flip cover is provided with a base plate and a pair of pivot shafts protruding from both ends of the base plate; the side wall is provided with a pair of support platforms distributed on both sides of a plurality of terminal slots, the pivot shaft is supported on the support platforms, and the fixing member is provided with a fixing arm inserted into the side wall and a stop arm shielding the upper and outer sides of the pivot shaft.

2. The electrical connector according to claim 1, wherein: The pivot shaft is located on the inner side of the stop arm. The stop arm is L-shaped, and one end of the stop arm is buried in the side wall, and the other end covers the front side of the side wall.

3. The electrical connector according to claim 2, wherein: The bottom wall is provided with a front end surface, the top wall is provided with a rear end surface, and the terminal groove penetrates the bottom wall upward and passes through the front end surface and the rear end surface in the front-to-back direction.

4. The electrical connector according to claim 3, wherein: A fixing groove for inserting the fixing member is formed on the side wall, the support platform is located inside the fixing groove and distributed at both longitudinal ends of the bottom wall, and the support platform is integrally connected to both longitudinal ends of the bottom wall.

5. The electrical connector according to claim 4, wherein: A pair of concave portions that are recessed downward are provided at both longitudinal ends of the bottom wall. The concave portions are adjacent to and integrally connected to the support platform, and the pair of concave portions are distributed at both ends of the plurality of terminal slots.

6. The electrical connector according to claim 5, wherein: The metal flip cover is also provided with an inner pressure plate extending backward from the front edge of the base plate. The base plate is in the shape of a horizontally extending flat plate, and a pair of limit arms extending downwardly and obliquely are formed on the base plate. The pair of limit arms are distributed at both ends of the inner pressure plate.

7. The electrical connector according to claim 6, wherein: The inner pressure plate is located below the substrate and directly above the contact arm of the terminal, thereby forming a clamping space between the contact arm of the terminal and the inner pressure plate; the inner pressure plate is arranged parallel to the substrate, and the end of the inner pressure plate is bent and extended toward the substrate to abut against the substrate.

8. The electrical connector according to claim 7, wherein: The inner pressure plate is formed with a plurality of circular protrusions facing the base plate; the limiting arm is provided with a limiting protrusion extending toward the bottom wall, and the limiting protrusion and the concave portion of the bottom wall are arranged in correspondence with each other up and down.

9. The electrical connector according to claim 8, wherein: A holding piece bent downward is formed on the rear edge of the substrate, and the holding piece is held on the rear end surface of the insulating body.

10. The electrical connector according to claim 9, wherein: The rear edge of the base plate is the cover operation position, and the rear edge is also provided with a pair of locking pieces, which are integrally formed at both longitudinal ends of the base plate and snap-fit ​​with the side wall.

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