Electrical connection device
By designing the inverted body, guide groove, boss and limit plane in the lock mechanism of the electrical connection device, the problem of hooking elastic parts and foreign objects in the inner edge of the button is solved, ensuring the stability and normal operation of the electrical connection .
Patent Information
- Application Number
- CN202420894302.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-04-26
AI Technical Summary
The locking mechanism of the existing electrical connection device is prone to failure due to the inner edge of the button hooking the elastic member or foreign matter entering, and may reverse the body and hook the gap of the elastic member during assembly, resulting in inability to use normally.
An electrical connection device is designed, wherein the locking mechanism of the second connector includes a button and an elastic member. The inverted body of the button matches the guide groove of the assembly groove. The locking portion extends into the annular groove, and the end of the elastic member is in contact with each other. The boss and the limit plane prevent the inner edge of the button from hooking the elastic member, and prevent foreign objects from entering through the boss and limit plane, ensuring that the elastic member works effectively.
Effectively prevent the inner edge of the button from hooking the elastic parts, prevent foreign objects from entering, ensure the normal operation of the locking mechanism, and prevent the inverted body from hooking the gap during assembly, achieving stable electrical connection and engagement.
Smart Images
Figure CN222234031U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an electrical connection device, in particular to an electrical connection device which can achieve electrical connection between a first connector and a second connector and can stably lock and engage. Background Art
[0002] The electrical connection device is a basic component for signal and power transmission. The electrical connection device usually includes a plug and a socket (connector), which can be plugged into each other to achieve electrical connection. In addition, a locking mechanism can be set between the plug and the socket, which can be used to lock the plug and the socket to prevent the plug and the socket from falling off or loosening. The existing locking mechanism includes components such as buttons and elastic parts. The elastic part can push the button so that the button can lock the plug and the socket. When the user presses the button, the elastic part can be compressed so that the button can release the locking force of the plug and the socket. However, in actual use, the existing locking mechanism is prone to problems such as the inner edge of the button hooking the gap of the elastic part, foreign matter entering and causing the elastic part to fail, and the buckled body hooking the gap of the elastic part when the button is assembled, resulting in the inability to use the locking mechanism normally. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide an electrical connection device to address the deficiencies of the prior art, which can prevent the inner edge of the key from hooking the elastic part when pressed, prevent foreign matter from entering and causing the elastic part to fail, and prevent the undercut body from hooking the gap of the elastic part when the key is assembled.
[0004] In order to solve the above technical problems, the utility model provides an electrical connection device, including: a first connector, the first connector including a first insulator and a first terminal, the first insulator having a first plug-in portion and a fixing plate, a groove is provided in the first plug-in portion, one end of the first plug-in portion has a locking body, the fixing plate is connected to the first plug-in portion, the first terminal is arranged in the first insulator, the first terminal has a connecting portion and a contact portion, the connecting portion and the contact portion are connected, and the contact portion extends into the groove; and a second connector, the second connector including a second insulator, a second terminal, a contact spring and a locking mechanism, the second insulator having a shell and a second plug-in portion, the second plug-in portion is connected to the shell, an annular groove is provided in the second insulator at the periphery of the second plug-in portion, the second terminal is arranged in the second insulator, the second terminal includes a terminal body and a sleeve, the terminal body and the sleeve are integrally formed, the contact spring is arranged in the sleeve, the contact spring The locking mechanism includes a button and an elastic member, the second insulator is provided with an assembly groove, the button and the elastic member are arranged in the assembly groove, the button has a button body, both sides of the button body are provided with an undercut body, the undercut bodies are respectively matched with a guide groove corresponding to the inner edge of the assembly groove, the outer edge of the button body is provided with a locking portion, the locking portion extends into the annular groove, one end of the assembly groove is provided with a boss, one end of the elastic member abuts against the boss, and the button body is provided with a accommodating A space is provided in the accommodating space, a limiting plane is provided in the accommodating space, the elastic member is provided in the accommodating space, and the other end of the elastic member is in contact with the limiting plane; wherein when the first connector and the second connector cooperate with each other, the first plug-in portion of the first insulator can be plugged into each other with the second plug-in portion of the second insulator, and the contact portion of the first terminal can be inserted into the contact spring sheet, so that the first terminal is electrically connected to the second terminal through the contact spring sheet, and the locking body of the first connector can be locked by the locking portion of the button.
[0005] Preferably, a recessed portion is formed at one end of the fixing plate, and the first connector further comprises a waterproof gasket, which is arranged at one end of the fixing plate and accommodated in the recessed portion, and a plurality of interference protrusions are provided on the inner edge of the waterproof gasket, and the plurality of interference protrusions abut against the first insulator.
[0006] Preferably, an anti-touch member is provided at one end of the contact portion of the first terminal.
[0007] Preferably, the anti-touch element is snap-assembled on one end of the contact portion of the first terminal.
[0008] Preferably, a plug hole is formed in the contact portion, a receiving space is formed in the second plug portion, a plug post is provided in the second plug portion, the plug post extends into the receiving space, and the plug post can be plugged into the plug hole.
[0009] Preferably, the boss is cylindrical, the accommodating space is a circular groove, and the elastic member is a compression spring.
[0010] Preferably, the limiting plane is an annular plane.
[0011] The utility model has the beneficial effect that the electrical connection device provided by the utility model comprises a first connector and a second connector, the first connector comprises a first insulator and a first terminal, the first insulator has a first plug-in portion and a fixing plate, and one end of the first plug-in portion has a locking body. The second connector comprises a second insulator, a second terminal, a contact spring and a locking mechanism, an annular groove is provided in the second insulator at the periphery of the second plug-in portion, the locking mechanism comprises a key and an elastic member, the key and the elastic member are arranged in the assembly groove of the second insulator, the key has a key body, and both sides of the key body are respectively provided with an undercut body, and the undercut bodies are respectively matched with the corresponding guide grooves on the inner edge of the assembly groove to prevent the key from falling out. A locking portion is provided on the outer edge of the key body, and the locking portion extends into the annular groove, and a boss is provided at one end of the assembly groove, and one end of the elastic member abuts against the boss, and the elastic member is arranged in the accommodation space in the key body, and a limiting plane is provided in the accommodation space, and the other end of the elastic member abuts against the limiting plane. The design of the locking mechanism can prevent the inner edge of the key from hooking the elastic member when pressing, prevent foreign matter from entering and causing the elastic member to fail, and prevent the undercut body from hooking the gap of the elastic member when the key is assembled. When the first connector and the second connector are mated with each other, the first terminal can be inserted into the contact spring, so that the first terminal and the second terminal are electrically connected, and the locking part of the key can be used to lock the locking body of the first connector, so that the first connector and the second connector are stably connected.
[0012] In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are only provided for reference and explanation and are not intended to limit the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional diagram of the electrical connection device of the embodiment of the utility model in the unplugged state.
[0014] Figure 2 It is a three-dimensional diagram of the electrical connection device in the plugged state according to the embodiment of the utility model.
[0015] Figure 3It is a three-dimensional exploded view of the first connector according to an embodiment of the utility model.
[0016] Figure 4 This is a three-dimensional exploded view of the first connector of the embodiment of the utility model from another angle.
[0017] Figure 5 for Figure 1 Ⅴ-V cross-sectional view.
[0018] Figure 6 for Figure 1 VI-VI cross-sectional view.
[0019] Figure 7 It is a front view of the first connector according to an embodiment of the present utility model.
[0020] Figure 8 It is a three-dimensional exploded view of the second connector according to an embodiment of the utility model.
[0021] Fig. 9 for Figure 1 IX-IX cross-sectional view.
[0022] Fig.10 for Figure 1 Ⅹ-X cross-sectional view.
[0023] Fig.11 for Figure 2 ⅩⅠ-ⅩⅠ cross-sectional view. DETAILED DESCRIPTION
[0024] [Example]
[0025] See also Figure 1 and Figure 2 The utility model provides an electrical connection device, including a first connector 100 and a second connector 200 .
[0026] See also Figures 3 to 7The first connector 100 includes a first insulator 1 and a first terminal 2. The first insulator 1 is made of insulating materials such as plastic. The first insulator 1 has a first plug-in portion 11 and a fixing plate 12. The first plug-in portion 11 can be a hollow cylinder. A groove 13 is provided in the first plug-in portion 11. The groove 13 can be a circular groove. The groove 13 passes through one end (front end) of the first plug-in portion 11. One end of the first plug-in portion 11 has a locking body 111, and the locking body 111 is provided on the outer edge of the first plug-in portion 11. The fixing plate 12 is connected to the first plug-in portion 11, and the fixing plate 12 protrudes from the outside of the first plug-in portion 11. The fixing plate 12 can be a square plate body, and the fixing plate 12 can be used to fix on the equipment. One end (rear end) of the fixing plate 12 can form a recessed portion 121, and the recessed portion 121 is recessed in one end of the fixing plate 12, and can be used to accommodate the waterproof gasket 3.
[0027] The first terminal 2 is made of a metal material with good electrical conductivity. The first terminal 2 is disposed in the first insulator 1. The first terminal 2 can be disposed in the first insulator 1 by assembly or insert molding. The first terminal 2 has a connecting portion 21 and a contact portion 22. The connecting portion 21 and the contact portion 22 are connected. The connecting portion 21 can be in a plate shape. The connecting portion 21 extends out of the first insulator 1 so as to be electrically connected to other devices. The contact portion 22 can be in a circular tube shape. A plug hole 23 can be formed in the contact portion 22. The plug hole 23 can be a circular hole. The contact portion 22 extends into the groove 13. The contact portion 22 can be located at the center of the groove 13.
[0028] In this embodiment, a contact piece 26 is disposed at one end of the contact portion 22 of the first terminal 2. The contact piece 26 is made of insulating materials such as plastic. The contact piece 26 can be assembled to one end of the contact portion 22 by snapping, or can be injection molded at one end of the contact portion 22. The contact piece 26 can be used to prevent the user from accidentally touching the contact portion 22 of the first terminal 2.
[0029] The first connector 100 may further include a waterproof gasket 3, which is disposed outside the first insulator 1, and may be disposed at one end (rear end) of the fixing plate 12, and the waterproof gasket 3 may be accommodated in the recessed portion 121. The inner edge of the waterproof gasket 3 is provided with a plurality of interference convex points 31, and the plurality of interference convex points 31 abut against the first insulator 1, so that the waterproof gasket 3 can be stably disposed on the first insulator 1 to prevent the waterproof gasket 3 from falling off.
[0030] See also Figures 8 to 10The second connector 200 includes a second insulator 5, a second terminal 6, a contact spring 7 and a locking mechanism 8. The second insulator 5 has a shell 51 and a second plug-in portion 52. The shell 51 can be designed in a modular manner. The shell 51 can include a first shell 511 and a second shell 512. The first shell 511 and the second shell 512 can be screwed together to form an integral whole. The second plug-in portion 52 is connected to the shell 51. The second plug-in portion 52 can be a hollow cylinder. A receiving space 521 is formed in the second plug-in portion 52. A plug-in column 53 can be provided in the second plug-in portion 52. The plug-in column 53 extends into the receiving space 521. The plug-in column 53 is located at the center of the receiving space 521. When the first connector 100 and the second connector 200 are matched with each other, the plug-in column 53 can be plugged into the plug-in hole 23, and has the function of guiding the joint, and can make the joint more stable. An annular groove 54 is further formed in the second insulator 5 at the periphery of the second plug-in portion 52 . The annular groove 54 surrounds the periphery of the second plug-in portion 52 and can be used to accommodate the first plug-in portion 11 of the first insulator 1 .
[0031] The second terminal 6 is made of a metal material with good conductivity. The second terminal 6 is disposed in the second insulator 5. The second terminal 6 can be disposed in the second insulator 5 by assembly or insert molding. The second terminal 6 includes a terminal body 61 and a sleeve 62. The terminal body 61 and the sleeve 62 are integrally formed. The sleeve 62 can be cylindrical.
[0032] The contact spring 7 is made of a metal material with good conductivity. The contact spring 7 is an annular spring. The contact spring 7 is disposed in the sleeve 62 . The contact spring 7 contacts the sleeve 62 , so that the contact spring 7 and the second terminal 6 are electrically connected.
[0033] The locking mechanism 8 includes a button 81 and an elastic member 82. The second insulator 5 is provided with an assembly groove 55. The cross section of the assembly groove 55 can be square. The cross section of the button 81 can also be square. The button 81 and the elastic member 82 are arranged in the assembly groove 55. The button 81 has a button body 811. The two sides of the button body 811 are respectively provided with an undercut body 812. The undercut body 812 is an elastic arm buckle body. The two undercut bodies 812 elastically protrude from the two sides of the button body 811. When the button 81 is arranged in the assembly groove 55, the undercut bodies 812 are respectively matched with a guide groove 56 (such as the inner edge of the assembly groove 55) corresponding to the inner edge of the assembly groove 55. Figure 8), the guide groove 56 does not extend to the outside of the second insulator 5. When the elastic member 82 pushes the button 81 to move outward, the buckle body 812 can abut against one end (outer end) of the guide groove 56 and be positioned to prevent the button 81 from falling out. The outer edge of the button body 811 is provided with a locking portion 813, and the locking portion 813 is a protruding block. The locking portion 813 extends into the annular groove 54 and can be used to stop the locking body 111 of the first connector 100, so that the first connector 100 and the second connector 200 form a lock. When the user presses the button 81, the locking portion 813 leaves the locking body 111 of the first connector 100, and the locking portion 813 no longer blocks the locking body 111 of the first connector 100, so that the first connector 100 and the second connector 200 can be separated smoothly.
[0034] One end of the assembly groove 55 is provided with a boss 57 (such as Fig.10 As shown in FIG. 1 , the boss 57 extends inward from one end of the assembly groove 55, so that the boss 57 is convexly arranged in the assembly groove 55. Preferably, the elastic member 82 is a compression spring, and the boss 57 is cylindrical corresponding to the elastic member 82, and one end of the elastic member 82 abuts against the boss 57. A receiving space 814 is provided in the button body 811. Preferably, the receiving space 814 is a circular groove corresponding to the elastic member 82. A limiting plane 815 is provided in the receiving space 814. The limiting plane 815 can be an annular plane, and can contact the elastic member 82 accordingly. The elastic member 82 is arranged in the receiving space 814, and the other end of the elastic member 82 abuts against the limiting plane 815, so that the two ends of the elastic member 82 abut against the boss 57 and the limiting plane 815 respectively, and the elastic force for resetting the button 81 can be applied. After the button 81 and the elastic member 82 are assembled, they are in a pre-introduction state, so that the button 81 can be better guided and limited when pressed.
[0035] See also Fig.11 When the first connector 100 and the second connector 200 cooperate with each other, the first plug-in portion 11 of the first insulator 1 can be plugged into the second plug-in portion 52 of the second insulator 5, and the contact portion 22 of the first terminal 2 can be inserted into the contact spring 7, so that the first terminal 2 is electrically connected to the second terminal 6 through the contact spring 7, and the lock portion 813 of the button 81 can be used to lock the lock body 111 of the first connector 100, so that the first connector 100 and the second connector 200 are firmly connected.
[0036] [Beneficial Effects of Embodiments]
[0037] The utility model has the beneficial effect that the electrical connection device provided by the utility model comprises a first connector and a second connector, the first connector comprises a first insulator and a first terminal, the first insulator has a first plug-in portion and a fixing plate, and one end of the first plug-in portion has a locking body. The second connector comprises a second insulator, a second terminal, a contact spring and a locking mechanism, the second insulator is provided with an annular groove at the periphery of the second plug-in portion, the locking mechanism comprises a key and an elastic member, the key and the elastic member are arranged in the assembly groove of the second insulator, the key has a key body, and both sides of the key body are provided with an undercut body, and the undercut bodies are respectively matched with the corresponding guide grooves on the inner edge of the assembly groove to prevent the key from falling out. The outer edge of the key body is provided with a locking portion, the locking portion extends into the annular groove, one end of the assembly groove is provided with a boss, one end of the elastic member abuts against the boss, the elastic member is arranged in the accommodation space in the key body, a limiting plane is provided in the accommodation space, and the other end of the elastic member abuts against the limiting plane. The design of the locking mechanism can prevent the inner edge of the key from hooking the elastic member when pressing, prevent foreign matter from entering and causing the elastic member to fail, and prevent the undercut body from hooking the gap of the elastic member when the key is assembled. When the first connector and the second connector are mated with each other, the first terminal can be inserted into the contact spring, so that the first terminal and the second terminal are electrically connected, and the locking part of the key can be used to lock the locking body of the first connector, so that the first connector and the second connector are stably connected.
[0038] However, the above description is only a preferred embodiment of the present invention and is not intended to limit the patent protection scope of the present invention. Therefore, all equivalent changes made using the contents of the present invention's specification and drawings are also included in the scope of protection of the present invention and are hereby stated.
Claims
1. An electrical connection device, characterized in that: include: A first connector, comprising a first insulator and a first terminal, the first insulator having a first plug-in portion and a fixing plate, the first plug-in portion having a groove, one end of the first plug-in portion having a locking body, the fixing plate being connected to the first plug-in portion, the first terminal being disposed in the first insulator, the first terminal having a connecting portion and a contact portion, the connecting portion and the contact portion being connected, and the contact portion extending into the groove; and A second connector, the second connector includes a second insulator, a second terminal, a contact spring and a locking mechanism, the second insulator has a shell and a second plug-in portion, the second plug-in portion is connected to the shell, the second insulator is provided with an annular groove at the periphery of the second plug-in portion, the second terminal is arranged in the second insulator, the second terminal includes a terminal body and a sleeve, the terminal body and the sleeve are integrally formed, the contact spring is arranged in the sleeve, the contact spring contacts the sleeve, the locking mechanism includes a button and an elastic member, the second insulator The button body is provided with an assembly groove, the button and the elastic member are arranged in the assembly groove, the button has a button body, and an undercut body is respectively provided on both sides of the button body, and the undercut bodies are respectively matched in a guide groove corresponding to the inner edge of the assembly groove, and the outer edge of the button body is provided with a locking portion, and the locking portion extends into the annular groove, and a boss is provided at one end of the assembly groove, and one end of the elastic member abuts against the boss, and an accommodating space is provided in the button body, and a limiting plane is provided in the accommodating space, and the elastic member is arranged in the accommodating space, and the other end of the elastic member abuts against the limiting plane; When the first connector and the second connector cooperate with each other, the first plug-in portion of the first insulator can be plugged into the second plug-in portion of the second insulator, and the contact portion of the first terminal can be inserted into the contact spring sheet, so that the first terminal can be electrically connected to the second terminal through the contact spring sheet, and the locking body of the first connector can be locked by the locking portion of the button.
2. The electrical connection device according to claim 1, characterized in that: A recessed portion is formed at one end of the fixing plate, and the first connector also includes a waterproof gasket, which is arranged at one end of the fixing plate and accommodated in the recessed portion. A plurality of interference protrusions are provided on the inner edge of the waterproof gasket, and the plurality of interference protrusions abut against the first insulator.
3. The electrical connection device according to claim 1, characterized in that: An anti-touch member is disposed at one end of the contact portion of the first terminal.
4. The electrical connection device according to claim 3, characterized in that: The anti-touch element is snap-assembled on one end of the contact portion of the first terminal.
5. The electrical connection device according to claim 1, characterized in that: A plug hole is formed in the contact portion, a receiving space is formed in the second plug portion, a plug post is provided in the second plug portion, the plug post extends into the receiving space, and the plug post can be plugged into the plug hole.
6. The electrical connection device according to claim 1, characterized in that: The boss is cylindrical, the accommodating space is a circular groove, and the elastic member is a compression spring.
7. The electrical connection device according to claim 1, characterized in that: The limiting plane is an annular plane.