Stacked assembly connector

Abstract

The utility model relates to a stack-type assembling connector, which comprises at least one pair of outer plastic parts, each outer plastic part comprises a plastic body and a rear cover, the plastic body and the rear cover are respectively provided with an accommodating groove and a butt joint part, the accommodating grooves are formed by inwards sinking from the surfaces of the plastic body and the rear cover, and the butt joint parts are formed by outwards protruding from the surfaces of the plastic body and the rear cover. The butt joint portion of the rear cover can be in butt joint with the containing groove of the plastic body, and the butt joint portion of the plastic body can be in butt joint with the containing groove of the rear cover adjacent to the butt joint portion. The terminal is arranged in the outer plastic part; by adopting the stacked assembly structure design, the connector has the characteristics of flexibility and stability, the flexibility is changed according to the change of the PIN arrangement according to the market application requirement, the change of the PIN arrangement adopts the cyclic buckling design, the interior adopts the plastic rivets for cyclic buckling, the disassembly and assembly are flexible and free, and the connector is not easy to fall off due to the clamping mode.

Description

Technical Field

[0001] The invention relates to the technical field of connectors, and in particular to a stacked assembled connector. Background Art

[0002] Traditional power cord connectors have a simple structure and a single connection method. The connectors cannot be disassembled and can only be used individually. They cannot be assembled and used according to actual needs, which makes them inconvenient to use and has a narrow scope of application. Manufacturers use splicable connectors to solve this problem.

[0003] According to Chinese patent CN201656111U, a modular combination connector is disclosed. The connector includes multiple assembly modules, which are assembled together from left to right in sequence through dovetail grooves or trapezoidal grooves. The assembly method used by the connector is not tight enough and is easy to move along the dovetail grooves or trapezoidal grooves, resulting in low flexibility and stability.

[0004] Therefore, it is necessary to develop a stackable assembly connector to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a flexible and stable stacking type assembly connector.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a stackable assembled connector, comprising:

[0007] At least one pair of outer plastic parts is provided, which includes a plastic body and a back cover, wherein the plastic body and the back cover each have a receiving groove formed inwardly concave from the surface thereof and a docking portion formed outwardly convex from the surface thereof, the docking portion of the back cover can dock with the receiving groove of the plastic body, and the docking portion of the plastic body can dock with the adjacent receiving groove of the back cover;

[0008] The terminal is arranged in the outer plastic part.

[0009] Furthermore, a clamping portion is provided in the receiving groove, and the clamping portion is formed by extending outward from the surface of the receiving groove. The docking portion extends into the receiving groove and is fixed by the clamping portion.

[0010] Furthermore, the docking portion has a fixing hole that passes through the upper and lower surfaces thereof, and the fixing hole is used to accommodate the clamping portion.

[0011] Furthermore, the plastic body has a cavity formed by inward depression from a side surface thereof, and the terminal is installed in the cavity.

[0012] Furthermore, the outer plastic part is further provided with a frame hole, and the frame hole passes through the plastic body from the outer surface of the plastic body and communicates with the cavity.

[0013] Furthermore, the terminal surface is exposed in the frame hole.

[0014] Furthermore, a spring sheet is provided in the cavity, and the spring sheet can extend into the frame hole and contact the exposed surface of the terminal.

[0015] Furthermore, a movable handle is installed on the outer plastic part, and the movable handle is used to pull the elastic sheet to cause the elastic sheet to deform and separate from or contact the surface of the terminal.

[0016] Furthermore, the top of the terminal extends from the side to form a limiting portion, and the limiting portion bends toward the spring sheet to limit the position of the spring sheet.

[0017] Compared with the existing technology, the beneficial effect of the present invention is that: the present invention is a stackable assembly connector, which adopts a stackable assembly structure design and has the characteristics of flexibility and stability. The flexibility changes according to the market application requirements by replacing the PIN ranking. The PIN ranking change adopts a circular snap buckle design, and the interior adopts plastic rivets for circular fastening. The disassembly and assembly are flexible and easy, and the snap-on method makes the connector not easy to fall off. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. Among them:

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of a stackable assembled connector of the present invention;

[0020] Figure 2 for Figure 1 The exploded structural diagram of the stacked assembled connector is shown;

[0021] Figure 3 for Figure 2 Schematic diagram of the outer plastic structure of the stackable assembled connector shown;

[0022] Figure 4 for Figure 2 Schematic diagram of the terminal structure of the stacked assembled connector shown;

[0023] Figure 5 for Figure 2 Schematic diagram of the spring structure of the stacked assembled connector shown;

[0024] Figure 6 for Figure 2Schematic diagram of the movable handle structure of the stackable assembly connector shown.

[0025] In the figure: 1. Outer plastic part; 2. Terminal; 3. Spring clip; 4. Movable handle; 5. PCB board; 11. Plastic body; 12. Back cover; 13. Cavity; 14. Center axis; 15. Frame hole; 16. Hook; 17. Receiving groove; 18. Snap-fitting part; 19. Docking part; 110. Fixing hole; 21. First protrusion; 22. Temperature sensing part; 23. Groove; 24. Limiting part; 25. Second protrusion; 31. Through hole; 32. Connecting arm; 41. Center part; 42. Toggle part; 43. Toggle switch; 44. Connecting column; 45. Fixing through hole. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] Please see Figures 1 to 6 The utility model is a stackable assembled connector, which includes a plurality of outer plastic parts 1, terminals 2 and springs 3 installed in the outer plastic parts 1, and a movable handle 4 for pushing the springs 3.

[0028] Please see Figures 1 to 3 The outer plastic part 1 includes a plastic body 11 and a back cover 12 snapped into the plastic body 11. The plastic body 11 has a cavity 13 formed by a recessed shape from its side. The shape and size of the cavity 13 can be changed according to needs. Specifically, the shape of the adapter terminal 2 and the spring clip 3 are adapted. The terminal 2 and the spring clip 3 are both installed in the cavity 13. A central axis 14 is also provided in the cavity 13. The spring clip 3 can be deformed around the central axis 14. The outer plastic part 1 also has a frame hole 15. The frame hole 15 passes through the plastic body 11 from the outer surface of the plastic body 11 and communicates with the cavity 13.

[0029] Preferably, a hook 16 is formed at the bottom of the plastic body 11 , and the hook 16 is used to connect to the PCB board 5 .

[0030] The back cover 12 is snap-fitted to the plastic body 11 from the side of the outer plastic part 1. Specifically, one side of the outer plastic part 1 has a plurality of receiving grooves 17 formed inwardly recessed from its surface. A snap-fitting portion 18 is provided in the receiving groove 17. The snap-fitting portion 18 extends outwardly from the surface of the receiving groove 17. The back cover 12 has a plurality of docking portions 19 formed to protrude outward from its surface. The docking portion 19 has fixing holes 110 running through its upper and lower surfaces. The shape and size of the fixing holes 110 correspond to the snap-fitting portions 18 and are used to accommodate the snap-fitting portions 18. The docking portions 19 correspond one by one to the receiving grooves 17. When the back cover 12 is snap-fitted to the plastic body 11, the docking portion 19 enters the receiving groove 17 and can itself undergo a certain degree of deformation, so that the snap-fitting portion 18 enters the fixing hole 110, and the back cover 12 is fixedly snap-fitted to the plastic body 11.

[0031] When multiple outer plastic parts 1 are installed side by side, the plastic body 11 has a plurality of docking portions 19 protruding outward from its surface. The docking portions 19 have fixing holes 110 extending through its upper and lower surfaces. The back cover 12 adjacent to the plastic body 11 has a receiving groove 17 recessed inward from its surface. The receiving groove 17 is provided with a snap-fitting portion 18. The docking portions 19 extend into the receiving groove 17, and the two are snap-fitted.

[0032] Please see Figure 4 The bottom of the terminal 2 passes through the outer plastic part 1 and is connected to the PCB board 5, and its top is bent to abut against the spring 3. Preferably, the top of the terminal 2 has a first protrusion 21, which is formed by protruding outward from the lower surface of the bent top of the terminal 2 and is used to dock with the spring 3. Preferably, the top of the terminal 2 extends from the side to form a limiting portion 24, which is bent toward the spring 3 to limit the position of the spring 3.

[0033] The terminal 2 also includes a temperature sensing portion 22, which can detect the heating status of the conductor in real time during use. The temperature sensing portion 22 extends outward from the surface of the terminal 2, penetrates the plastic body 11 and extends to the outside of the plastic body 11. The temperature sensing portion 22 has a groove 23 formed inwardly from its surface, and the groove 23 is used to expand the temperature sensing area.

[0034] Preferably, the surface of the terminal 2 is parallel to the frame hole 15, and the wire can be inserted from the frame hole 15 and contact the plane of the terminal 2. Secondly, the surface of the terminal 2 is provided with a plurality of second protrusions 25, and the plurality of second protrusions 25 extend outward from the surface of the terminal 2 to strengthen the connection with the wire.

[0035] Please see Figure 5 One end of the spring piece 3 is in contact with the top of the terminal 2, and the other end is bent around the central axis 14 and the end extends to the plane of the terminal 2 to contact it. The end of the spring piece 3 that is in contact with the top of the terminal 2 has a through hole 31 running through its upper and lower surfaces, and the through hole 31 is used to accommodate the first protrusion 21.

[0036] The spring piece 3 further includes a connecting arm 32 . The connecting arm 32 is formed by extending outward from a side where the spring piece 3 contacts the plane of the terminal 2 . The connecting arm 32 is a right-angled plate that abuts against the movable handle 4 .

[0037] Please see Figure 6 The movable handle 4 includes a central portion 41, a toggle portion 42 connected to the central portion 41, and a toggle switch 43. The central portion 41 is located inside the outer plastic part 1 and has a connecting column 44. Both ends of the connecting column 44 are movably connected to the outer plastic part 1. The central portion 41 can rotate around the connecting column 44. One end of the toggle portion 42 is connected to the central portion 41, and the other end extends into the outer plastic part 1 and abuts against the connecting arm 32. One end of the toggle switch 43 is connected to the central portion 41, and the other end extends outward from the outer plastic part 1. Preferably, the end of the toggle switch 43 extending outward has a fixing through hole 45 running through its upper and lower surfaces. After the toggle switch 43 is closed, a bolt can be used to pass through the fixing through hole 45 to fix the movable handle 4.

[0038] When installing a stackable connector according to the present invention, different numbers of outer plastic parts 1 are selected according to the number of PINs. The docking portion 19 enters the receiving groove 17 and can deform to a certain extent, so that the clamping portion 18 enters the fixing hole 110, and the back cover 12 is fixedly clamped with the plastic body 11. Then, when multiple outer plastic parts 1 are installed side by side, the docking portion 19 of the plastic body 11 is docked with the receiving groove 17 of the adjacent back cover 12, so that the multiple plastic bodies 11 and the back cover 12 are clamped in sequence. After the clamping, the multiple outer plastic parts 1 are connected to the PCB board 5 through the hook 16 at the bottom.

[0039] The utility model is a stackable assembly connector, which adopts a stackable assembly structure design and has the characteristics of flexibility and stability. The flexibility changes according to the market application requirements by replacing the PIN ranking. The PIN ranking change adopts a circular snap buckle design, and the interior adopts plastic rivets for circular fastening. The disassembly and assembly are flexible and free, and the snap connection method makes the connector not easy to fall off.

[0040] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A stackable connector, characterized in that: It includes: The outer plastic part (1) is provided with at least one pair, which includes a plastic body (11) and a back cover (12), wherein the plastic body (11) and the back cover (12) both have a receiving groove (17) formed by being recessed inward from their surfaces and a docking portion (19) formed by being protruded outward from their surfaces, the docking portion (19) of the back cover (12) can dock with the receiving groove (17) of the plastic body (11), and the docking portion (19) of the plastic body (11) can dock with the receiving groove (17) of the adjacent back cover (12); The terminal (2) is arranged in the outer plastic part (1).

2. The stackable connector according to claim 1, wherein: A clamping portion (18) is provided in the receiving groove (17), and the clamping portion (18) is formed by extending outward from the surface of the receiving groove (17). The docking portion (19) extends into the receiving groove (17) and is fixed by the clamping portion (18).

3. The stackable connector according to claim 2, wherein: The docking portion (19) has a fixing hole (110) penetrating the upper and lower surfaces thereof, and the fixing hole (110) is used to accommodate the clamping portion (18).

4. The stackable connector according to claim 1, wherein: The plastic body (11) has a cavity (13) formed by inward depression from its side surface, and the terminal (2) is installed in the cavity (13).

5. The stackable connector according to claim 4, wherein: The outer plastic part (1) is further provided with a frame hole (15), and the frame hole (15) penetrates the plastic body (11) from the outer surface of the plastic body (11) and communicates with the cavity (13).

6. The stackable connector according to claim 5, wherein: The surface of the terminal (2) is exposed in the frame hole (15).

7. The stackable connector according to claim 6, wherein: A spring sheet (3) is provided in the cavity (13), and the spring sheet (3) can extend into the frame hole (15) and contact the exposed surface of the terminal (2).

8. The stackable connector according to claim 7, wherein: A movable handle (4) is installed on the outer plastic part (1), and the movable handle (4) is used to pull the spring sheet (3) to cause the spring sheet (3) to deform and separate from or contact the surface of the terminal (2).

9. The stackable connector according to claim 7, wherein: The top of the terminal (2) extends from the side to form a limiting portion (24), and the limiting portion (24) bends toward the spring sheet (3) to limit the position of the spring sheet (3).

Images