A waterproof plug-in terminal

Abstract

The present invention discloses a plug-in terminal with a waterproof structure, which relates to the technical field of terminal blocks and includes a locking structure, wherein a plug is fixedly installed on the left side of the locking structure, a cable is fixedly connected to the left side of the plug, a socket is plugged into the right side of the plug, a sealing assembly is provided between the plug and the socket, a first conductive plug socket is fixedly connected to the left side of the inner wall of the plug and located at one end of the cable, and a conductive plug is fixedly connected to the right side of the inner wall of the socket and located at the left side of the right cable. The present invention pushes the hexagonal block and the pressure plate through the action of a supporting spring, so that the bottom of the pressure plate presses the left side of the hook, thereby achieving the purpose of clamping the pressure plate and the hook, and then the adjusting screw sleeve is rotated to press the stud on the pressure plate, so that the pressure plate locks the hook, thereby preventing the hook from being pulled out of the inner cavity of the socket due to too little pressure.

Description

Technical Field

[0001] The present invention relates to the technical field of wiring terminals, and in particular to a plug-in wiring terminal with a waterproof structure. Background Art

[0002] As a connecting component of electronic components, electrical appliances, etc., the terminal block can connect and energize the equipment, and realize a good connection function of wiring and energizing. It is an important wiring component for connecting electrical appliances and connecting terminals to each other.

[0003] The existing technology has the following problems:

[0004] The existing waterproof plug-in terminal blocks are not convenient for locking the terminal blocks. When connecting the terminal blocks, the terminal blocks are often disconnected due to excessive pulling force, resulting in a short circuit. The existing waterproof plug-in terminal blocks are not convenient for separating the terminal blocks, which affects the user experience. Summary of the Invention

[0005] The present invention provides a pluggable terminal block with a waterproof structure to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0007] A waterproof plug-in terminal comprises a locking structure, wherein a plug is fixedly installed on the left side of the locking structure, a cable is fixedly connected to the left side of the plug, a socket is plugged into the right side of the plug, a sealing assembly is arranged between the plug and the socket, a first conductive plug seat is fixedly connected to the left side of the inner wall of the plug and at one end of the cable, a conductive plug is fixedly connected to the right side of the inner wall of the socket and at the left side of the right cable, the left side of the outer wall of the conductive plug is plugged into the inside of the first conductive plug seat, a second conductive plug seat is plugged into the outer wall of the first conductive plug seat, the right side of the second conductive plug seat is plugged into the inner wall of the socket, a first return spring is fixedly installed on the outer wall of the conductive plug and at the right side of the inner cavity of the socket, a push ring is fixedly connected to the left end of the first return spring, and the left side of the push ring overlaps with the right side of the first conductive plug seat.

[0008] The locking structure includes an adjusting screw sleeve, the outer wall of which is rotatably connected to the front of the socket, the inner wall of which is threaded with a stud, the bottom of the outer wall of the stud is plugged with an inner hexagonal guide sleeve, and the bottom of the inner hexagonal guide sleeve is fixedly connected to a pressure plate.

[0009] The sealing assembly includes a first annular sealing gasket and a trapezoidal groove gasket. The right side of the outer wall of the plug is fixedly connected to the inner wall of the first annular sealing gasket, and the left end of the inner wall of the trapezoidal groove gasket is fixedly connected to the left side of the socket.

[0010] A further improvement of the technical solution of the present invention is that: a hook is overlapped on the right side of the bottom of the pressure plate, and the left side of the hook is fixedly connected to the right side of the plug.

[0011] A further improvement of the technical solution of the present invention is that: a hexagonal block is fixedly connected to the bottom of the stud, a hexagonal square groove is opened on the inner wall of the inner hexagonal guide sleeve, and the outer wall of the hexagonal block is slidably connected to the inner wall of the hexagonal square groove.

[0012] A further improvement of the technical solution of the present invention is that a support spring is overlapped at the bottom of the hexagonal block and located in the inner cavity of the inner hexagonal guide sleeve, and the bottom of the support spring is overlapped with the top of the pressure plate.

[0013] A further improvement of the technical solution of the present invention is that: a telescopic rod is fixedly connected to the right side of the inner wall of the socket, and a push plate is fixedly connected to the left end of the telescopic rod.

[0014] A further improvement of the technical solution of the present invention is that the right side of the hook overlaps with the left side of the push plate, and a second return spring is movably sleeved on the outer wall of the telescopic rod and located on the right side of the push plate.

[0015] A further improvement of the technical solution of the present invention is that a second annular sealing gasket is fixedly connected to the right side of the outer wall of the plug and on the right side of the first annular sealing gasket, and the inner walls of the first annular sealing gasket and the second annular sealing gasket are evenly overlapped with the left end of the inner wall of the socket.

[0016] A further improvement of the technical solution of the present invention is that a hexagonal ring pad is inserted into the inner wall of the trapezoidal groove pad, and the left side of the hexagonal ring pad is fixedly connected to the right end of the plug.

[0017] Due to the adoption of the above technical solution, the present invention has the following technical advancements compared to the prior art:

[0018] 1. The present invention provides a plug-in terminal with a waterproof structure. The support spring pushes the hexagonal block and the pressure plate so that the bottom of the pressure plate presses the left side of the hook, thereby achieving the purpose of clamping the pressure plate and the hook. Then, the adjusting screw sleeve is rotated to make the stud press the pressure plate, so that the pressure plate locks the hook to prevent the hook from being pulled out of the inner cavity of the socket due to too little pressure. When the adjusting screw sleeve is rotated, the hexagonal block and the inner wall of the inner hexagonal guide sleeve are used to guide the bottom of the stud to prevent the hexagonal block from rotating in the inner cavity of the inner hexagonal guide sleeve. At the same time, the socket is used to guide the pressure plate to prevent the pressure plate from rotating when it moves downward, so that the pressure plate can better lock the hook.

[0019] 2. The present invention provides a plug-in terminal with a waterproof structure. When locking the plug and the socket, the first annular sealing gasket and the second annular sealing gasket are used, and at the same time, the hexagonal annular gasket and the trapezoidal groove gasket are used to seal the connection between the plug and the socket, thereby preventing water from entering the inner cavity of the terminal and damaging the connection between the cables, thereby achieving the purpose of waterproofing the terminal.

[0020] 3. The present invention provides a plug-in terminal with a waterproof structure. When it is necessary to separate the first conductive tube seat from the conductive plug post and the second conductive tube seat, the adjusting screw sleeve is rotated in the opposite direction, and the plug and the socket are moved to separate the first conductive tube seat from the conductive plug post and the second conductive tube seat. At the same time, the push ring and the push plate are respectively bounced by utilizing the action of the first return spring and the second return spring to push the first conductive tube seat and the hook out of the inner cavity of the socket, thereby achieving the purpose of facilitating the separation of the terminal blocks. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention;

[0022] Figure 2 It is a schematic cross-sectional view of the present invention;

[0023] Figure 3 This is an enlarged structural diagram of point A of the present invention;

[0024] Figure 4 is an enlarged structural schematic diagram of the sealing assembly of the present invention;

[0025] Figure 5 This is an enlarged structural diagram of point B of the present invention.

[0026] In the figure: 1. cable; 2. plug; 21. first conductive plug socket; 3. locking structure; 31. hook; 32. adjusting screw sleeve; 33. stud; 34. inner hexagonal guide sleeve; 35. support spring; 36. hexagonal block; 37. pressure plate; 4. sealing assembly; 41. first annular sealing gasket; 42. second annular sealing gasket; 43. hexagonal annular gasket; 44. trapezoidal groove gasket; 5. socket; 51. push ring; 52. conductive plug; 53. first reset spring; 54. second conductive plug socket; 55. push plate; 56. telescopic rod; 57. second reset spring. DETAILED DESCRIPTION

[0027] The present invention is described in further detail below in conjunction with the embodiments:

[0028] Example 1

[0029] like Figure 1-5 As shown, the present invention provides a waterproof plug-in terminal, including a locking structure 3, a plug 2 is fixedly installed on the left side of the locking structure 3, a cable 1 is fixedly connected to the left side of the plug 2, a socket 5 is plugged into the right side of the plug 2, a sealing component 4 is provided between the plug 2 and the socket 5, a first conductive plug seat 21 is fixedly connected to the left side of the inner wall of the plug 2 and located at one end of the cable 1, a conductive plug post 52 is fixedly connected to the right side of the inner wall of the socket 5 and located on the left side of the right cable 1, the left side of the outer wall of the conductive plug post 52 is plugged into the inside of the first conductive plug seat 21, the outer wall of the first conductive plug seat 21 is plugged into the second conductive plug seat 54, the right side of the second conductive plug seat 54 is plugged into the inner wall of the socket 5, and the outer wall of the conductive plug post 52 is plugged into the inner wall of the first conductive plug seat 21. A first return spring 53 is fixedly installed on the wall and on the right side of the inner cavity of the socket 5. The left end of the first return spring 53 is fixedly connected to a push ring 51. The left side of the push ring 51 overlaps with the right side of the first conductive tube seat 21. The locking structure 3 includes an adjusting screw sleeve 32. The outer wall of the adjusting screw sleeve 32 is rotatably connected to the front of the socket 5. The inner wall of the adjusting screw sleeve 32 is threaded with a stud 33. The bottom of the outer wall of the stud 33 is plugged with an inner hexagonal guide sleeve 34. The bottom of the inner hexagonal guide sleeve 34 is fixedly connected to a pressure plate 37. The sealing assembly 4 includes a first annular sealing gasket 41 and a trapezoidal groove gasket 44. The right side of the outer wall of the plug 2 is fixedly connected to the inner wall of the first annular sealing gasket 41, and the left end of the inner wall of the trapezoidal groove gasket 44 is fixedly connected to the left side of the socket 5.

[0030] In this embodiment, when connecting the plug 2 and the socket 5, the first conductive plug seat 21 is plugged into the conductive plug post 52 and the second conductive plug seat 54. The support spring 35 pushes the hexagonal block 36 and the pressure plate 37 so that the bottom of the pressure plate 37 presses the left side of the hook 31, thereby achieving the purpose of clamping the pressure plate 37 and the hook 31. Then, the adjusting screw sleeve 32 is rotated to make the stud 33 press the pressure plate 37, so that the pressure plate 37 locks the hook 31 to prevent the hook 31 from being pulled out of the socket due to insufficient pressure. 5. When it is necessary to separate the first conductive tube seat 21 from the conductive pin 52 and the second conductive tube seat 54, the adjusting screw sleeve 32 is rotated in the opposite direction, and the plug 2 and the socket 5 are moved to separate the first conductive tube seat 21 from the conductive pin 52 and the second conductive tube seat 54. At the same time, the push ring 51 and the push plate 55 are respectively bounced by utilizing the action of the first return spring 53 and the second return spring 57 to push the first conductive tube seat 21 and the hook 31 out of the inner cavity of the socket 5, thereby achieving the purpose of facilitating the separation of the wiring terminals.

[0031] Example 2

[0032] like Figure 1-5 As shown, based on Example 1, the present invention provides a technical solution: preferably, a hook 31 is overlapped on the right side of the bottom of the pressure plate 37, the left side of the hook 31 is fixedly connected to the right side of the plug 2, the bottom of the stud 33 is fixedly connected to the hexagonal block 36, the inner wall of the inner hexagonal guide sleeve 34 is provided with a hexagonal square groove, the outer wall of the hexagonal block 36 is slidably connected to the inner wall of the hexagonal square groove, the bottom of the hexagonal block 36 and located in the inner cavity of the inner hexagonal guide sleeve 34 are overlapped with a support spring 35, and the bottom of the support spring 35 is overlapped with the top of the pressure plate 37.

[0033] The locking cam 37 is then engaged with the locking cam 31 and the locking cam 31 is engaged, and the locking cam 31 is engaged with the locking cam 31 and the locking cam 31 is engaged.

[0034] Example 3

[0035] like Figure 1-5 As shown, based on Example 1, the present invention provides a technical solution: preferably, a second annular sealing gasket 42 is fixedly connected to the right side of the outer wall of the plug 2 and to the right side of the first annular sealing gasket 41, the inner walls of the first annular sealing gasket 41 and the second annular sealing gasket 42 are evenly overlapped with the left end of the inner wall of the socket 5, and a hexagonal annular gasket 43 is inserted into the inner wall of the trapezoidal groove gasket 44, and the left side of the hexagonal annular gasket 43 is fixedly connected to the right end of the plug 2.

[0036] In this embodiment, when the plug 2 and the socket 5 are locked, the first annular sealing gasket 41 and the second annular sealing gasket 42 are used, and at the same time, the hexagonal annular gasket 43 and the trapezoidal groove gasket 44 are used to seal the connection between the plug 2 and the socket 5 to prevent water from entering the inner cavity of the terminal and damaging the connection between the cables 1, thereby achieving the purpose of waterproofing the terminal.

[0037] Example 4

[0038] like Figure 1-5 As shown, based on Example 1, the present invention provides a technical solution: preferably, a telescopic rod 56 is fixedly connected to the right side of the inner wall of the socket 5, the left end of the telescopic rod 56 is fixedly connected to the push plate 55, the right side of the hook 31 overlaps with the left side of the push plate 55, and the outer wall of the telescopic rod 56 and the right side of the push plate 55 are movably sleeved with a second return spring 57.

[0039] In this embodiment, when it is necessary to separate the first conductive tube seat 21 from the conductive pin 52 and the second conductive tube seat 54, the adjusting screw 32 is rotated in the opposite direction, and the plug 2 and the socket 5 are moved to separate the first conductive tube seat 21 from the conductive pin 52 and the second conductive tube seat 54. At the same time, the push ring 51 and the push plate 55 are respectively bounced by utilizing the action of the first return spring 53 and the second return spring 57 to push the first conductive tube seat 21 and the hook 31 out of the inner cavity of the socket 5, thereby achieving the purpose of facilitating the separation of the wiring terminals.

[0040] The following is a detailed description of the working principle of the waterproof plug-in terminal block.

[0041] like Figure 1-5As shown, first, when connecting the plug 2 and the socket 5, the first conductive plug seat 21 is plugged into the conductive plug post 52 and the second conductive plug seat 54, and the hexagonal block 36 and the pressure plate 37 are pushed by the support spring 35, so that the bottom of the pressure plate 37 is pressed against the left side of the hook 31, thereby achieving the purpose of clamping the pressure plate 37 and the hook 31, and then the adjusting screw sleeve 32 is rotated to make the stud 33 press the pressure plate 37, so that the pressure plate 37 locks the hook 31 to prevent the hook 31 from being pulled out of the inner cavity of the socket 5 due to too little pressure. When the adjusting screw sleeve 32 is rotated, the hexagonal block 36 and the inner wall of the inner hexagonal guide sleeve 34 are used to guide the bottom of the stud 33 to prevent the hexagonal block 36 from rotating in the inner cavity of the inner hexagonal guide sleeve 34. At the same time, the socket 5 is used to guide the pressure plate 37 to prevent the pressure plate 37 from rotating when it moves downward, so that the pressure plate 37 can better lock the hook 31 is locked. When the plug 2 and the socket 5 are locked, the first annular sealing gasket 41 and the second annular sealing gasket 42 are used, and the hexagonal annular gasket 43 and the trapezoidal groove gasket 44 are used to seal the connection between the plug 2 and the socket 5 to prevent water from entering the inner cavity of the terminal and damaging the connection between the cable 1 and the cable 1, thereby achieving the purpose of waterproofing the terminal. When it is necessary to separate the first conductive tube seat 21 and the conductive pin 52 and the second conductive tube seat 54, the adjusting screw sleeve 32 is rotated in the opposite direction, and the plug 2 and the socket 5 are moved to separate the first conductive tube seat 21 and the conductive pin 52 and the second conductive tube seat 54. At the same time, the first return spring 53 and the second return spring 57 are used to bounce the push ring 51 and the push plate 55 respectively, and the first conductive tube seat 21 and the hook 31 are pushed out from the inner cavity of the socket 5, thereby achieving the purpose of facilitating the separation of the terminals.

[0042] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made based on the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A waterproof plug-in terminal block, comprising a locking structure (3), characterized in that: A plug (2) is fixedly installed on the left side of the locking structure (3), a cable (1) is fixedly connected to the left side of the plug (2), a socket (5) is plugged into the right side of the plug (2), a sealing assembly (4) is provided between the plug (2) and the socket (5), a first conductive plug seat (21) is fixedly connected to the left side of the inner wall of the plug (2) and located at one end of the cable (1), a conductive plug post (52) is fixedly connected to the right side of the inner wall of the socket (5) and located on the left side of the cable (1), and the conductive plug post (52) is fixedly connected to the right side of the inner wall of the socket (5). The left side of the outer wall is plugged into the interior of the first conductive plug socket (21), the outer wall of the first conductive plug socket (21) is plugged into the second conductive plug socket (54), the right side of the second conductive plug socket (54) is plugged into the inner wall of the socket (5), the outer wall of the conductive plug post (52) and the right side of the inner cavity of the socket (5) are fixedly installed with a first return spring (53), the left end of the first return spring (53) is fixedly connected to a push ring (51), and the left side of the push ring (51) is overlapped with the right side of the first conductive plug socket (21); The locking structure (3) includes an adjusting screw sleeve (32), the outer wall of the adjusting screw sleeve (32) is rotatably connected to the front of the socket (5), the inner wall of the adjusting screw sleeve (32) is threaded with a stud (33), the bottom of the outer wall of the stud (33) is plugged with an inner hexagonal guide sleeve (34), and the bottom of the inner hexagonal guide sleeve (34) is fixedly connected to a pressure plate (37); The sealing assembly (4) comprises a first annular sealing gasket (41) and a trapezoidal groove gasket (44); the right side of the outer wall of the plug (2) is fixedly connected to the inner wall of the first annular sealing gasket (41); and the left end of the inner wall of the trapezoidal groove gasket (44) is fixedly connected to the left side of the socket (5).

2. The waterproof plug-in terminal according to claim 1, characterized in that: A hook (31) is overlapped on the right side of the bottom of the pressure plate (37), and the left side of the hook (31) is fixedly connected to the right side of the plug (2).

3. The waterproof plug-in terminal according to claim 1, characterized in that: The bottom of the stud (33) is fixedly connected with a hexagonal block (36), the inner wall of the inner hexagonal guide sleeve (34) is provided with a hexagonal square groove, and the outer wall of the hexagonal block (36) is slidably connected with the inner wall of the hexagonal square groove.

4. The waterproof plug-in terminal according to claim 3, characterized in that: A support spring (35) is overlapped at the bottom of the hexagonal block (36) and located in the inner cavity of the inner hexagonal guide sleeve (34), and the bottom of the support spring (35) is overlapped with the top of the pressure plate (37).

5. The waterproof plug-in terminal according to claim 2, characterized in that: A telescopic rod (56) is fixedly connected to the right side of the inner wall of the socket (5), and a push plate (55) is fixedly connected to the left end of the telescopic rod (56).

6. The waterproof plug-in terminal according to claim 5, characterized in that: The right side of the hook (31) overlaps with the left side of the push plate (55), and the outer wall of the telescopic rod (56) and the right side of the push plate (55) are movably sleeved with a second return spring (57).

7. The waterproof plug-in terminal according to claim 1, characterized in that: A second annular sealing gasket (42) is fixedly connected to the right side of the outer wall of the plug (2) and located on the right side of the first annular sealing gasket (41), and the inner walls of the first annular sealing gasket (41) and the second annular sealing gasket (42) overlap the left end of the inner wall of the socket (5).

8. The waterproof plug-in terminal according to claim 1, characterized in that: A hexagonal ring pad (43) is inserted into the inner wall of the trapezoidal groove pad (44), and the left side of the hexagonal ring pad (43) is fixedly connected to the right end of the plug (2).

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