Electric connector socket
By introducing a locating pin and shielding sleeve mating structure into the socket connector, the problems of stability and inconvenient disassembly and assembly of the socket connector are solved, achieving both stability and convenience.
Patent Information
- Application Number
- CN202422890829.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-11-26
AI Technical Summary
Existing socket connectors suffer from poor stability and inconvenient disassembly and assembly.
The structure includes a first socket terminal, a second socket terminal, a shielding sleeve, a positioning pin, a housing, and a cylindrical terminal block. The positioning pin and the shielding sleeve work together to ensure the stability of the cylindrical terminal block within the housing, and the design of the elastic arm and the pressure cylinder improves the stability of the terminal installation.
This design achieves a simple structure for the electrical connector socket, convenient assembly and disassembly, and improves the stability of terminal installation and the firmness of the connection.
Smart Images
Figure CN223540006U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of connector technology, and in particular relates to an electrical connector socket. Background Technology
[0002] A socket connector is an electrical device that mates with a plug connector. After mating, the socket connector enables the transmission of electrical and signal parameters between the two devices. A socket connector includes a socket housing and socket terminals installed within the housing. The socket terminals typically include a positive terminal and a negative terminal. To ensure the stability of the socket terminals within the housing, a positioning mechanism is required between the housing and the terminals. Existing technologies typically employ positioning mechanisms such as snap-fit structures or non-cylindrical mating structures, which present technical challenges related to complex assembly and disassembly operations and ensuring stable operation. Summary of the Invention
[0003] The present invention aims to solve the technical problems of poor stability and inconvenient disassembly and assembly of existing socket connectors, and provides an electrical connector socket.
[0004] To address the above problems, this utility model provides an electrical connector socket, comprising a first socket terminal, a second socket terminal, a shielding sleeve, a positioning pin, a housing with an inner hole, and a cylindrical terminal block with a first terminal hole and a second terminal hole; the first socket terminal is installed in the first terminal hole, and the second socket terminal is installed in the second terminal hole.
[0005] The cylindrical terminal block is provided with a positioning hole, the outer wall of the shielding sleeve is provided with a through hole, and the inner wall of the outer shell is provided with a positioning groove; the shielding sleeve is sleeved on the cylindrical terminal block, the cylindrical terminal block is installed in the inner hole, one end of the positioning pin is installed in the positioning groove, and the other end of the positioning pin passes through the through hole and is inserted into the positioning groove.
[0006] Optionally, the shielding sleeve includes a cylindrical body, a plurality of first elastic arms, a plurality of second elastic arms, and a plurality of third elastic arms; the cylindrical body is provided with a first side hole group, a second side hole group, and a third side hole group distributed axially at intervals, the first side hole group including a plurality of first side holes distributed circumferentially at intervals along the cylindrical body, the second side hole group including a plurality of second side holes distributed circumferentially at intervals along the cylindrical body, and the third side hole group including a plurality of third side holes distributed circumferentially at intervals along the cylindrical body;
[0007] The first elastic arm is connected to the first side hole and extends toward the outside of the cylinder; the second elastic arm is connected to the second side hole and extends toward the outside of the cylinder; the third elastic arm is connected to the third side hole and extends toward the inside of the cylinder.
[0008] The cylindrical body is sleeved on the cylindrical terminal seat, and the second elastic arm abuts against the inner wall of the inner hole.
[0009] Optionally, the distance between two adjacent first side holes is less than the distance between two adjacent second side holes.
[0010] Optionally, the distance between two adjacent third side holes is less than the distance between two adjacent second side holes.
[0011] Optionally, the housing is further provided with an annular groove surrounding the inner hole, and the electrical connector socket further includes a sealing ring installed in the annular groove;
[0012] The inner wall of the sealing ring is provided with a plurality of first protrusions distributed in an annular interval, and the outer wall of the sealing ring is provided with a plurality of second protrusions distributed in an annular interval. Both the first protrusions and the second protrusions abut against the inner wall of the annular groove.
[0013] Optionally, the electrical connector socket further includes a first pressure cylinder and a second pressure cylinder, wherein the first pressure cylinder is sleeved on the first socket terminal and located in the first terminal hole, and the second pressure cylinder is sleeved on the second socket terminal and located in the second terminal hole.
[0014] Optionally, the first pressure cylinder includes a first terminal cylinder and a plurality of first end bullet arms. The outer wall of the first terminal cylinder is provided with a plurality of first side windows that are circumferentially spaced. The first end bullet arms are connected to the first side windows one by one and extend toward the outside of the first terminal cylinder. The first terminal cylinder is sleeved on the first socket terminal, and the first end bullet arms abut against the inner wall of the first terminal hole.
[0015] The second pressure cylinder includes a second terminal cylinder and a plurality of second end bullet arms. The outer wall of the second terminal cylinder is provided with a plurality of second side windows that are circumferentially spaced. The second end bullet arms are connected to the second side windows one by one and extend toward the outside of the second terminal cylinder. The second terminal cylinder is sleeved on the second socket terminal, and the second end bullet arms abut against the inner wall of the second terminal hole.
[0016] Optionally, the inner wall of the first terminal hole is further provided with a first limiting part and a first annular bottom plate distributed axially at intervals, and the two opposite ends of the first pressure cylinder respectively abut against the first limiting part and the first annular bottom plate.
[0017] The inner wall of the second terminal hole is also provided with a second limiting part and a second annular bottom plate that are spaced apart along the axial direction. The two opposite ends of the second pressure cylinder abut against the second limiting part and the second annular bottom plate, respectively.
[0018] Optionally, the outer wall of the housing is provided with a plurality of guide limiting arms distributed in an annular pattern.
[0019] In this invention, the shielding sleeve is first fitted onto the cylindrical terminal block, and one end of the positioning pin is inserted through the through hole and then into the positioning hole; then the cylindrical terminal block is installed in the inner hole of the housing, and the other end of the positioning pin is inserted into the positioning groove. Thus, the positioning pin ensures the stability of the cylindrical terminal block installed in the housing and avoids the problem of the cylindrical terminal block shifting in the housing. The electrical connector socket has a simple structure and is easy to disassemble and assemble. Attached Figure Description
[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0021] Figure 1 This is a schematic diagram of the structure of an electrical connector socket provided in an embodiment of the present invention;
[0022] Figure 2 A cross-sectional view of an electrical connector socket provided in an embodiment of the present invention;
[0023] Figure 3 A cross-sectional view of an electrical connector socket provided in one embodiment of the present invention from another perspective;
[0024] Figure 4 This is an exploded view of an electrical connector socket provided in an embodiment of the present invention.
[0025] Figure 5 A schematic diagram of the structure of the shielding sleeve of an electrical connector socket provided in another embodiment of this utility model;
[0026] Figure 6 This is a schematic diagram of the structure of the first pressure cylinder of an electrical connector socket provided in another embodiment of the present invention;
[0027] Figure 7 A schematic diagram of the sealing ring of an electrical connector socket provided in another embodiment of this utility model.
[0028] The reference numerals in the accompanying drawings are as follows:
[0029] 1. First socket terminal; 2. Second socket terminal; 3. Shielding sleeve; 31. Through hole; 32. Cylinder body; 321. First side hole; 322. Second side hole; 323. Third side hole; 33. First elastic arm; 34. Second elastic arm; 35. Third elastic arm; 4. Positioning pin; 5. Outer shell; 51. Inner hole; 52. Positioning groove; 53. Annular groove; 54. Guide limiting arm; 6. Columnar terminal seat; 61. First terminal hole; 62. Second terminal hole; 63. Positioning hole; 64. First limiting part; 65. First annular base plate; 7. Sealing ring; 71. First protrusion; 72. Second protrusion; 8. First pressure cylinder; 81. First terminal cylinder; 811. First side window; 82. First end bullet arm; 9. Second pressure cylinder. Detailed Implementation
[0030] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.
[0031] It should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "middle", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations of this utility model.
[0032] like Figure 1 , Figure 2 as well as Figure 4 As shown in the figure, an electrical connector socket provided by this utility model includes a first socket terminal 1, a second socket terminal 2, a shielding sleeve 3, a positioning pin 4, a housing 5 with an inner hole 51, and a cylindrical terminal base 6 with a first terminal hole 61 and a second terminal hole 62; the first socket terminal 1 is installed in the first terminal hole 61, and the second socket terminal 2 is installed in the second terminal hole 62; it can be understood that one of the first socket terminal 1 and the second socket terminal 2 is a positive terminal and the other is a negative terminal; the cylindrical terminal base 6 can be made of non-conductive materials such as plastic, and the housing 5 can be made of conductive materials such as steel.
[0033] The cylindrical terminal block 6 has a positioning hole 63, the outer wall of the shielding sleeve 3 has a through hole 31, and the inner wall of the outer shell 5 has a positioning groove 52. The shielding sleeve 3 is sleeved on the cylindrical terminal block 6, the cylindrical terminal block 6 is installed in the inner hole 51, one end of the positioning pin 4 is installed in the positioning groove 52, and the other end of the positioning pin 4 passes through the through hole 31 and is inserted into the positioning groove 52. Understandably, the upper end of the positioning groove 52 is open.
[0034] Specifically, firstly, the shielding sleeve 3 is fitted onto the cylindrical terminal block 6, and one end of the positioning pin 4 is inserted through the through hole 31 and then into the positioning hole 63; then, the cylindrical terminal block 6 is installed in the inner hole 51 of the housing 5, and the other end of the positioning pin 4 is inserted into the positioning groove 52. Thus, the positioning pin 4 ensures the stability of the cylindrical terminal block 6 installed in the housing 5 and avoids the problem of the cylindrical terminal block 6 shifting in the housing 5. The electrical connector socket has a simple structure and is easy to disassemble and assemble.
[0035] In one embodiment, such as Figure 2 and Figure 5 As shown, the shielding sleeve 3 includes a cylindrical body 32, a plurality of first elastic arms 33, a plurality of second elastic arms 34, and a plurality of third elastic arms 35; the cylindrical body 32 is provided with a first side hole group, a second side hole group, and a third side hole group distributed axially at intervals. The first side hole group includes a plurality of first side holes 321 distributed circumferentially along the cylindrical body 32, the second side hole group includes a plurality of second side holes 322 distributed circumferentially along the cylindrical body 32, and the third side hole group includes a plurality of third side holes 323 distributed circumferentially along the cylindrical body 32; it can be understood that the first side hole group 321 is located at the upper end of the cylindrical body 32, the third side hole group 323 is located at the lower end of the cylindrical body 32, and the second side hole group 322 is located in the middle of the cylindrical body 32.
[0036] The first elastic arm 33 is connected to the first side hole 321 and extends outward toward the cylinder 32; the second elastic arm 34 is connected to the second side hole 322 and extends outward toward the cylinder 32; the third elastic arm 35 is connected to the third side hole 323 and extends inward toward the cylinder 32. It can be understood that the first elastic arm 33, the second elastic arm 34, the third elastic arm 35, and the cylinder 32 are integrally formed. The number of the first elastic arm 33, the second elastic arm 34, and the third elastic arm 35 can be set according to actual needs.
[0037] The cylindrical body 32 is sleeved on the cylindrical terminal seat 6, and the second elastic arm 34 abuts against the inner wall of the inner hole 51.
[0038] In this embodiment, the second elastic arm 34 abuts against the inner wall of the inner hole 51, further ensuring the stability of the shielding sleeve 3 installed in the inner hole 51. Additionally, the first elastic arm 33 is located outside the inner hole 51 and extends outwards towards the cylindrical body 32. Therefore, when the plug terminal mates with the electrical connector socket, the first elastic arm 33 can abut against the inner wall of the plug hole of the plug terminal, ensuring the stability of the mating between the plug terminal and the electrical connector socket. Furthermore, the third elastic arm 35 extends inwards towards the cylindrical body 32, thereby ensuring the stability of external electrical components inserted into the cylindrical body 32.
[0039] In one embodiment, such as Figure 5 As shown, the distance between two adjacent first side holes 321 is less than the distance between two adjacent second side holes 322; the distance between two adjacent third side holes 323 is less than the distance between two adjacent second side holes 322.
[0040] In one embodiment, such as Figure 2 As shown, the outer casing 5 is further provided with an annular groove 53 surrounding the inner hole 51, and the electrical connector socket also includes a sealing ring 7 installed in the annular groove 53; the inner wall of the sealing ring 7 is provided with a plurality of first protrusions 71 distributed annularly at intervals, and the outer wall of the sealing ring 7 is provided with a plurality of second protrusions 72 distributed annularly at intervals, and both the first protrusions 71 and the second protrusions 72 abut against the inner wall of the annular groove 53. It can be understood that the sealing ring 7 is installed on the top of the outer casing 5, and the sealing ring 7 ensures the sealing performance when the external plug terminal is mated with the electrical connector socket; the design of the first protrusions 71 and the second protrusions 72 ensures the stability of the sealing ring 7 installed in the annular groove 53.
[0041] In one embodiment, such as Figure 4 As shown, the electrical connector socket further includes a first pressure cylinder 8 and a second pressure cylinder 9. The first pressure cylinder 8 is sleeved on the first socket terminal 1 and located in the first terminal hole 61, and the second pressure cylinder 9 is sleeved on the second socket terminal 2 and located in the second terminal hole 62. Understandably, the first socket terminal 1 is mounted in the first terminal hole 61 via the first pressure cylinder 8, ensuring the stability of the first socket terminal 1 mounted in the first terminal hole 61; the second socket terminal 2 is mounted in the second terminal hole 62 via the second pressure cylinder 9, ensuring the stability of the second socket terminal 2 mounted in the second terminal hole 62.
[0042] In one embodiment, such as Figure 6 As shown, the first pressure cylinder 8 includes a first terminal cylinder 81 and a plurality of first end bullet arms 82. The outer wall of the first terminal cylinder 81 has a plurality of circumferentially spaced first side windows 811. The first end bullet arms 82 are connected one-to-one in the first side windows 811 and extend outwards towards the first terminal cylinder 81. The first terminal cylinder 81 is sleeved on the first socket terminal 1, and the first end bullet arms 82 abut against the inner wall of the first terminal hole 61. It can be understood that the number of first end bullet arms 82 can be set according to actual needs, and the first end bullet arms 82 and the first terminal cylinder 81 are integrally formed. Specifically, when the first socket terminal 1 is inserted into the first terminal cylinder 81, the first socket terminal 1 will compress the first end bullet arms 82, thereby ensuring the stability of the first socket terminal 1 inserted into the first terminal cylinder 81.
[0043] In one embodiment, the second pressure cylinder 9 includes a second terminal cylinder and a plurality of second end bullet arms. The outer wall of the second terminal cylinder has a plurality of circumferentially spaced second side windows. Each of the second end bullet arms is connected to a corresponding second side window and extends outwards from the second terminal cylinder. The second terminal cylinder is sleeved onto the second socket terminal 2, and the second end bullet arms abut against the inner wall of the second terminal hole 62. Understandably, the number of second end bullet arms can be set according to actual needs, and the second end bullet arms and the second terminal cylinder are integrally formed. Specifically, when the second socket terminal 2 is inserted into the second terminal cylinder, the second socket terminal 2 will compress the second end bullet arms, thereby ensuring the stability of the second socket terminal 2 inserted into the second terminal cylinder.
[0044] In one embodiment, such as Figure 3 As shown, the inner wall of the first terminal hole 61 is also provided with a first limiting part 64 and a first annular bottom plate 65 distributed axially at intervals. The two opposite ends of the first pressure cylinder 8 abut against the first limiting part 64 and the first annular bottom plate 65 respectively. It can be understood that the top of the first terminal cylinder 81 abuts against the first limiting part 64 and the bottom of the first terminal cylinder 81 abuts against the first annular bottom plate 65, thereby ensuring the stability of the first pressure cylinder 8 installed in the first terminal hole 61.
[0045] The inner wall of the second terminal hole 62 is also provided with a second limiting part and a second annular bottom plate distributed axially at intervals. The two opposite ends of the second pressure cylinder 9 abut against the second limiting part and the second annular bottom plate, respectively. It can be understood that the top of the second terminal cylinder abuts against the second limiting part, and the bottom of the second terminal cylinder abuts against the second annular bottom plate, thereby ensuring the stability of the second pressure cylinder 9 installed in the second terminal hole 62.
[0046] In one embodiment, such as Figure 1 As shown, the outer wall of the housing 5 is provided with a plurality of guide and limiting arms 54 arranged in a ring at intervals. Understandably, the design of the guide and limiting arms 54 ensures the stability of the housing 5 when mounted on the external component.
[0047] The above are merely embodiments of the electrical connector socket of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. An electrical connector socket, characterized in that, It includes a first socket terminal, a second socket terminal, a shielding sleeve, a positioning pin, a housing with an inner hole, and a cylindrical terminal block with a first terminal hole and a second terminal hole; the first socket terminal is installed in the first terminal hole, and the second socket terminal is installed in the second terminal hole; The cylindrical terminal block is provided with a positioning hole, the outer wall of the shielding sleeve is provided with a through hole, and the inner wall of the outer shell is provided with a positioning groove; the shielding sleeve is sleeved on the cylindrical terminal block, the cylindrical terminal block is installed in the inner hole, one end of the positioning pin is installed in the positioning groove, and the other end of the positioning pin passes through the through hole and is inserted into the positioning groove.
2. The electrical connector socket according to claim 1, characterized in that, The shielding sleeve includes a cylindrical body, a plurality of first elastic arms, a plurality of second elastic arms, and a plurality of third elastic arms; the cylindrical body is provided with a first side hole group, a second side hole group, and a third side hole group distributed axially at intervals, the first side hole group including a plurality of first side holes distributed circumferentially at intervals along the cylindrical body, the second side hole group including a plurality of second side holes distributed circumferentially at intervals along the cylindrical body, and the third side hole group including a plurality of third side holes distributed circumferentially at intervals along the cylindrical body; The first elastic arm is connected to the first side hole and extends toward the outside of the cylinder; the second elastic arm is connected to the second side hole and extends toward the outside of the cylinder; the third elastic arm is connected to the third side hole and extends toward the inside of the cylinder. The cylindrical body is sleeved on the cylindrical terminal seat, and the second elastic arm abuts against the inner wall of the inner hole.
3. The electrical connector socket according to claim 2, characterized in that, The distance between two adjacent first side holes is less than the distance between two adjacent second side holes.
4. The electrical connector socket according to claim 2, characterized in that, The distance between two adjacent third side holes is less than the distance between two adjacent second side holes.
5. The electrical connector socket according to claim 1, characterized in that, The housing is also provided with an annular groove surrounding the inner hole, and the electrical connector socket also includes a sealing ring installed in the annular groove; The inner wall of the sealing ring is provided with a plurality of first protrusions distributed in an annular interval, and the outer wall of the sealing ring is provided with a plurality of second protrusions distributed in an annular interval. Both the first protrusions and the second protrusions abut against the inner wall of the annular groove.
6. The electrical connector socket according to claim 1, characterized in that, The electrical connector socket further includes a first pressure cylinder and a second pressure cylinder, wherein the first pressure cylinder is sleeved on the first socket terminal and located in the first terminal hole, and the second pressure cylinder is sleeved on the second socket terminal and located in the second terminal hole.
7. The electrical connector socket according to claim 6, characterized in that, The first pressure cylinder includes a first terminal cylinder and a plurality of first end bullet arms. The outer wall of the first terminal cylinder is provided with a plurality of first side windows that are circumferentially spaced. The first end bullet arms are connected to the first side windows one by one and extend toward the outside of the first terminal cylinder. The first terminal cylinder is sleeved on the first socket terminal, and the first end bullet arms abut against the inner wall of the first terminal hole. The second pressure cylinder includes a second terminal cylinder and a plurality of second end bullet arms. The outer wall of the second terminal cylinder is provided with a plurality of second side windows that are circumferentially spaced. The second end bullet arms are connected to the second side windows one by one and extend toward the outside of the second terminal cylinder. The second terminal sleeve is fitted onto the second socket terminal, and the second end bullet arm abuts against the inner wall of the second terminal hole.
8. The electrical connector socket according to claim 6, characterized in that, The inner wall of the first terminal hole is also provided with a first limiting part and a first annular bottom plate that are spaced apart along the axial direction, and the two opposite ends of the first pressure cylinder respectively abut against the first limiting part and the first annular bottom plate. The inner wall of the second terminal hole is also provided with a second limiting part and a second annular bottom plate that are spaced apart along the axial direction. The two opposite ends of the second pressure cylinder abut against the second limiting part and the second annular bottom plate, respectively.
9. The electrical connector socket according to claim 1, characterized in that, The outer wall of the housing is provided with a plurality of guide limiting arms distributed in a ring at intervals.