Three-jack socket connector

Abstract

The utility model discloses a three-jack socket connector, which comprises an insulating seat body and three connecting terminals detachably arranged on the insulating seat body, the insulating seat body comprises a connecting plate provided with a circuit board, and the connecting plate is provided with a front wide part and a rear narrow part. The front wide part is provided with a pair of connecting pieces which can penetrate through a circuit board to be in contact with a keyboard switch, the rear narrow part is provided with a connecting piece which can penetrate through the circuit board to be in contact with the keyboard switch, the three connecting pieces are in triangular opposition on the same plane, and each connecting piece is connected with a mounting groove for fixing a connecting terminal; the three connecting terminals are respectively installed and fixed in the three installation grooves, each connecting terminal comprises a fixed part installed and fixed in the installation groove, the fixed part is provided with a pair of elastic arms and a pair of holding arms in an extending mode, each elastic arm is provided with a pair of opposite lengthened clamping elastic pieces in an upward protruding mode, the opposite lengthened clamping elastic pieces are back to back to form a clamping contact part, and the clamping contact part is provided with a clamping groove. The tail part of each holding arm is provided with a conductive switching part. The device is simple in structure and convenient to assemble and use, and one set of mold can be omitted, so that the cost is saved.

Description

Technical field:

[0002] The utility model relates to the field of connector products, in particular to a three-hole socket connector for connecting keyboard keys. Background technology:

[0004] Connectors are primarily used in transportation, communications, networking, IT, healthcare, home appliances, aviation, and military electronics. Rapid technological advancements in these areas, along with rapid market growth, are driving the development of connector technology. To date, electrical connectors have evolved into a series of specialized products with a comprehensive range of product types, diverse specifications, diverse structural types, specialized product lines, distinct industry characteristics, and a standardized system of standards.

[0005] Computers are now a commonly used electronic device that is equipped with a keyboard device. The keyboard can realize fast input / output functions. The existing keyboards are generally divided into mechanical keyboards and magnetic axis keyboards. Regardless of whether it is a mechanical keyboard or a magnetic axis keyboard, each key in the keyboard has an independent switch to control the closing. This switch is called a key switch. The mechanical keyboard key switch includes a keycap, a top cover, a base, a dynamic contact piece, a static contact piece, a shaft and a return spring. The keycap is connected to the top of the shaft, the top cover is located above the base, and the shaft is located between the top cover and the base. The upper and lower ends of the return spring are respectively against the shaft and the base. The dynamic contact piece and the static contact piece are located on the side of the shaft. The feet of the dynamic contact piece and the static contact piece are welded through the holes of the circuit board. This mechanical keyboard key switch requires a mating connector for connection. The mechanical keyboard key switch has two connecting feet inserted into the mating connector. This mating connector only needs two holes to achieve.

[0006] In the case of magnetic axis keyboards, due to the different structures of magnetic axis keyboards and mechanical keyboards, a two-hole socket cannot meet the connection and use requirements of magnetic axis keyboards.

[0007] In view of this, the inventors have proposed a socket connector that can be used in both a magnetic axis keyboard and a mechanical keyboard to overcome the above-mentioned technical problems in view of the limitations of the existing technology. Utility model content:

[0009] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a three-hole socket connector that can save cost.

[0010] In order to solve the above technical problems, the utility model adopts the following technical solutions: a three-hole socket connector, comprising an insulating base body and three connecting terminals detachably mounted on the insulating base body, wherein the insulating base body comprises a connecting plate on which a circuit board is mounted, the connecting plate having a front wide portion and a rear narrow portion, the front wide portion being provided with a pair of connecting pieces that can be passed through the circuit board and contact the keyboard switch, the rear narrow portion being provided with a connecting piece that can be passed through the circuit board and contact the keyboard switch, the three connecting pieces forming a triangular opposition on the same plane, each connecting piece being connected to a mounting slot for fixing the connecting terminal; the three connecting terminals are respectively mounted and fixed in the three mounting slots, each connecting terminal comprising a fixing portion mounted and fixed in the mounting slot, a pair of elastic arms and a pair of retaining arms extending from the fixing portion, each elastic arm being provided with a pair of opposed extended clamping springs protruding upward, the opposed extended clamping springs being back-to-back to form a clamping contact portion, and a conductive adapter portion being provided at the tail end of each retaining arm.

[0011] Furthermore, in the above technical solution, the installation slot includes a front wide slot and a rear narrow slot, the connecting member is located on the front wide slot, and the connecting member is provided with a accommodating space for a pair of clamping springs.

[0012] Furthermore, in the above technical solution, an insertion hole communicating with the accommodating space is provided at the top end of the connecting member, and an entrance of the insertion hole has a guide surface.

[0013] Furthermore, in the above technical solution, the fixing portion is fixed in the rear narrow groove, the fixing portion is U-shaped, a retaining protrusion extending into the U-shaped space is provided in the center of the rear narrow groove, and a retaining hole is recessed on the surface of the retaining protrusion.

[0014] Furthermore, in the above technical solution, the fixing portion includes a fitting portion, and the fitting portion is provided with a matching retaining piece relative to the retaining hole.

[0015] Furthermore, in the above technical solution, the fitting portion is provided with two side walls that are vertically bent and extended along two side edges, the pair of elastic arms extend forward from the two side walls, and the pair of retaining arms extend backward from the two side walls.

[0016] Furthermore, in the above technical solution, the elastic arm includes an extended outer elastic arm and a retracted inner elastic arm. The retracted inner elastic arm is formed by bending the end of the extended outer elastic arm inward and is parallel to the extended outer elastic arm. The extended clamping spring is arranged on the inner elastic arm.

[0017] Furthermore, in the above technical solution, the conductive transition portion is in an L-shaped structure, the tail ends of the conductive transition portion are bent inwards relative to each other to form a pair of transition pieces, and the conductive transition portion is provided with tin-eating through-holes.

[0018] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art: the utility model has a simple structure, is easy to assemble and use, and can save a set of molds to save costs. Description of the drawings:

[0020] Figure 1 It is a three-dimensional exploded view of the utility model;

[0021] Figure 2 This is a three-dimensional diagram of the insulating seat of the utility model;

[0022] Figure 3 yes Figure 2 Plane diagram when projected from the front;

[0023] Figure 4 It is a three-dimensional diagram of the connection terminal of the utility model;

[0024] Figure 5 It is a three-dimensional diagram of the utility model after assembly;

[0025] Figure 6 yes Figure 5 Schematic diagram of the projection plane in the top view direction;

[0026] Figure 7 yes Figure 6 a cross-sectional view taken along the AA direction; and

[0027] Figure 8 yes Figure 6 Cross-sectional view in the BB direction.

[0028] Description of reference numerals:

[0029] 100 three-hole socket connector 1 insulating seat

[0030] 11 connecting plate 12 front wide part

[0031] 13 rear narrow portion 14 connecting piece

[0032] 141 accommodating space 15 installation slot

[0033] 16 front wide slot 17 rear narrow slot

[0034] 171 Narrow groove 18 retaining protrusion

[0035] 181 holding hole 19 insertion hole

[0036] 191 guide surface 2 connection terminal

[0037] 21 fixing portion 22 laminating portion

[0038] 221 holding piece 23 side wall

[0039] 24 elastic arm 241 extended outer elastic arm

[0040] 242 retracted elastic arm 25 holding arm

[0041] 26 Clamping spring 261 Contact portion

[0042] 27 conductive adapter 28 adapter

[0043] 281 tin-eating perforation Specific implementation method:

[0045] The present invention will be further described below with reference to specific embodiments and accompanying drawings.

[0046] In the following description, specific details such as specific system structures and technologies are provided for the purpose of illustration rather than limitation to facilitate a thorough understanding of the embodiments of the present application. However, it should be clear to those skilled in the art that the present application can also be implemented in other embodiments without these details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid obstructing the description of the present application with unnecessary details.

[0047] In the embodiments shown in the accompanying drawings, directional indications (such as up, down, left, right, front, and back) used to explain the structure and movement of various components of the present invention are not absolute but relative. These descriptions are applicable when the components are in the positions shown in the accompanying drawings. If the descriptions of the positions of these components are changed, the directional indications will also change accordingly.

[0048] Please refer to the attached drawings for details. Figures 1 to 8 As shown, the three-hole socket connector 100 of the embodiment can be used in a mechanical keyboard and can also be used in a magnetic axis keyboard, that is, it can be used universally for mechanical keyboards and magnetic axis keyboards. The three-hole socket connector 100 includes an insulating base body 1 and three connecting terminals 2 that are detachably mounted on the insulating base body 1.

[0049] The insulating base 1 includes a connecting plate 11 on which a circuit board is installed. The connecting plate 11 includes a front wide portion 12 and a rear narrow portion 13. The front wide portion 12 is provided with a pair of connecting pieces 14 that can be passed through the circuit board and contact the keyboard switch. The rear narrow portion 13 is provided with a connecting piece 14 that can be passed through the circuit board and contact the keyboard switch. The three connecting pieces 14 form a triangle on the same plane. Each connecting piece 14 is connected to a mounting groove 15 for fixing the connecting terminal 2.

[0050] The three connecting terminals 2 are respectively mounted and fixed in the three mounting slots 15. Each connecting terminal 2 includes a fixed portion 21 mounted and fixed in the mounting slot 15, a pair of elastic arms 24 and a pair of retaining arms 25 extending from the fixed portion 21. Each elastic arm 24 is provided with an upwardly projecting opposed extended clamping spring 26, which abut against a contact portion 261 to form a clamping connection. The tail end of each retaining arm 25 is provided with a conductive adapter portion 27. The conductive adapter portion 27 has an L-shaped structure, with the tail ends of the conductive adapter portion 27 bent inwardly to form a pair of adapter plates 28. The conductive adapter portion 27 is provided with a tin-receiving through-hole 281.

[0051] The mounting slot 15 includes a front wide slot 16 and a rear narrow slot 17. Each connector 14 is located in the front wide slot 16. The connector 14 has a receiving space 141 for the opposing extended clamping spring 26. The top of the connector 14 is provided with an insertion hole 19 that intersects with the receiving space 141. The entrance of the insertion hole 19 has a guide surface 191 to facilitate the insertion and docking of keyboard keys.

[0052] A retaining protrusion 18 is provided in the center of the rear narrow groove 17, and a retaining hole 181 is recessed on the surface of the retaining protrusion 18. The retaining protrusion 18 and the two sides of the rear narrow groove 17 form a narrow groove 171; the fixing portion 21 is fixed in the rear narrow groove 17 and clipped on the retaining protrusion 18, and the two side walls 23 of the fixing portion 21 are clamped in the narrow groove 171.

[0053] The fixing portion 21 has a U-shaped structure, and the retaining protrusion 18 extends into the U-shaped space of the fixing portion 21. The fixing portion includes a fitting portion 22. The fitting portion 22 is provided with a matching clamping piece 221 relative to the retaining hole 181. The fitting portion 22 is vertically bent and extended along the two side edges to provide side walls 23. The pair of elastic arms 24 extend forward from the two side walls 23, and the pair of retaining arms 25 extend backward from the two side walls 23. The elastic arm 24 includes an extended outer elastic arm 241 and a retracted inner elastic arm 242. The retracted inner elastic arm 242 is formed by bending the end of the extended outer elastic arm 241 inward and is parallel to the extended outer elastic arm 241. The extended clamping spring 26 is provided on the inner elastic arm 242.

[0054] During assembly of the three-hole socket connector 100 of the present invention, the three connecting terminals 2 are respectively assembled in the three mounting grooves 15 of the insulating base body 1. The fixing portion 21 cooperates with the rear narrow groove 17 and is buckled on the retaining protrusion 18. The retaining piece 221 is buckled and fixed with the retaining hole 181. A pair of elastic arms 24 are installed in the front wide groove 16. The opposing extended clamping springs 26 on the elastic arms 24 are accommodated in the accommodating space 141. The conductive transition portion 27 is exposed outside the insulating base body 1. The assembly is completed. The assembly in the connector is convenient and efficient, and the plugging and unplugging service life of the connector can be extended.

[0055] When using the three-hole socket connector 100, a magnet is provided in the magnetic axis keyboard switch structure, and the magnet needs to be powered separately to generate a magnetic field to produce an effect. Therefore, the magnetic axis keyboard switch is provided with three connecting pins, which can be directly inserted into the three holes. The mechanical keyboard switch is a combination of dynamic and static terminals, which only needs to be connected to the power supply. Only two connecting pins are needed. Only two connecting pins need to be inserted into two of the three holes, and the other hole is left empty. Using a three-hole socket connector to achieve the commonality of mechanical keyboards and magnetic axis keyboards can reduce the need for opening a set of molds to save cost expenditure.

[0056] Of course, the above description is only a specific embodiment of the present invention and is not intended to limit the scope of implementation of the present invention. Any equivalent changes or modifications made based on the structure, features and principles described in the scope of the patent application of the present invention should be included in the scope of the patent application of the present invention.

Claims

1. A three-hole socket connector, comprising an insulating base and three connecting terminals detachably mounted on the insulating base, characterized in that: The insulating seat includes a connecting plate on which a circuit board is installed, and the connecting plate has a front wide portion and a rear narrow portion. The front wide portion is provided with a pair of connecting pieces that can be passed through the circuit board and contact the keyboard switch, and the rear narrow portion is provided with a connecting piece that can be passed through the circuit board and contact the keyboard switch. The three connecting pieces form a triangle in opposition on the same plane, and each connecting piece is connected to a mounting groove for fixing a connecting terminal; the three connecting terminals are respectively installed and fixed in the three mounting grooves, and each connecting terminal includes a fixing portion installed and fixed in the mounting groove, and a pair of elastic arms and a pair of holding arms are extended from the fixing portion, and each elastic arm is provided with a pair of opposing extended clamping springs protruding upward, and the opposing extended clamping springs are back-to-back to form a clamping contact portion, and the tail of each holding arm is provided with a conductive adapter portion.

2. The three-hole socket connector according to claim 1, characterized in that: The installation slot includes a front wide slot and a rear narrow slot. Each connecting member is located on the front wide slot, and the connecting member is provided with a accommodating space for a pair of clamping springs.

3. The three-hole socket connector according to claim 2, characterized in that: An insertion hole communicating with the accommodating space is provided at the top of the connecting piece, and an entrance of the insertion hole has a guiding surface.

4. The three-hole socket connector according to claim 2, characterized in that: The fixing portion is fixed in the rear narrow groove, and the fixing portion is in a U-shaped structure. A retaining protrusion extending into the U-shaped space is provided in the center of the rear narrow groove, and a retaining hole is concavely provided on the surface of the retaining protrusion.

5. The three-hole socket connector according to claim 4, characterized in that: The fixing portion includes a fitting portion, and the fitting portion is provided with a matching holding piece relative to the holding hole.

6. The three-hole socket connector according to claim 5, characterized in that: The fitting portion is vertically bent and extended along two side edges to form two side walls. The pair of elastic arms extend forward from the two side walls, and the pair of retaining arms extend backward from the two side walls.

7. The three-hole socket connector according to claim 6, characterized in that: The elastic arm includes an extended outer elastic arm and a retracted inner elastic arm. The retracted inner elastic arm is formed by bending the end of the extended outer elastic arm inward and is parallel to the extended outer elastic arm. The extended clamping elastic sheet is arranged on the inner elastic arm.

8. The three-hole socket connector according to claim 1, characterized in that: The conductive transition portion is in an L-shaped structure, and the tail ends of the conductive transition portion are bent inwardly relative to each other to form a pair of transition plates. The conductive transition portion is provided with a tin-eating through-hole.

Images