A push button plug

Abstract

The invention discloses a key plug. It includes a rubber-coated shell, an assembly component is fixed in the rubber-coated shell, the assembly component includes a fixed plate and a sealing cover, the sealing cover is mounted on the fixed plate, an assembly box is mounted on the fixed plate and the assembly box is placed inside the sealing cover, an elastic pressing sheet and a key seat are arranged in the assembly box, one end of the elastic pressing sheet is mounted inside the assembly box, the other end of the elastic pressing sheet is mounted on the bottom of the key seat, the key seat and the assembly box are rotatably connected, the assembly box, the sealing cover and the rubber-coated shell are all provided with through holes matching the key seat, the top of the key seat passes through the through hole and is placed outside the rubber-coated shell, a contact block and pin 1 are fixed on the elastic pressing sheet, pin 2 is mounted in the assembly box, pin 2 is placed on the side of the contact block, pin 1 and pin 2 both pass through the assembly box and are placed in the sealing cover. The beneficial effects of the invention are simple structure, firm and durable, good sealing and high safety.

Description

Technical Field

[0001] The invention relates to the technical field related to plugs, and in particular to a key plug. Background Art

[0002] The connectors (Connector) of general electronic products and the pins (Pin) of electrical appliances are called plugs. Household AC power plugs and sockets have a male connector that protrudes in the shape of a rod or copper plate, which is physically inserted into a female connector-type power socket with a slot or a hole. Size is an important technical requirement that determines whether plugs, sockets and converters can be used safely and whether they meet the general interchangeability requirements to avoid misinsertion. Unqualified size will affect user use or cause hidden dangers such as poor contact and misinsertion, which may damage the equipment at the least, or cause fire and electric shock accidents at the worst. Plugs are widely used. Large and small industries may need plugs. Isn’t it said that "where there is a need for electricity, there is a plug"? It can be seen that the use of plugs is everywhere in our lives.

[0003] Poor plug quality is an important cause of electrical fires and leakage. The quality problems of small plugs will pose a serious threat to the personal and property safety of consumers. The plug structure in the prior art is complex and the assembly process is complicated and cumbersome, which inevitably leads to poor assembly effect, causing the plug structure to become loose or have gaps. Dust and moisture in the air will enter the plug through these gaps, causing the internal structure of the plug to be damaged, resulting in a short circuit and causing electric shock accidents to users. Summary of the invention

[0004] The present invention aims to overcome the shortcomings of the prior art that the plug structure is complex, resulting in difficulty in assembly, and is easy to loosen after assembly, allowing dust and moisture to enter the interior, causing short circuits and electric shocks, and provides a key plug with a simple structure, firmness and durability, good sealing and high safety.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A key plug comprises a rubber-coated shell, a shell cavity is provided in the rubber-coated shell, an assembly component is fixed in the shell cavity, the assembly component comprises a fixing plate and a sealing cover body matching the fixing plate, the sealing cover body is mounted on the fixing plate, an assembly box is mounted on the fixing plate and the assembly box is placed inside the sealing cover body, an elastic pressing piece and a key seat are arranged in the assembly box, one end of the elastic pressing piece is mounted inside the assembly box, and the other end of the elastic pressing piece is mounted on the bottom of the key seat, the key seat and the assembly box are rotatably connected, a through hole 1, a through hole 2 and a through hole 3 matching the key seat are respectively provided on the top surface of the assembly box, the top surface of the sealing cover and the top surface of the rubber-coated shell, the top of the key seat passes through the through hole 1, the through hole 2 and the through hole 3 in sequence and is placed outside the rubber-coated shell, a contact block and a pin 1 are fixed on the elastic pressing piece, a pin 2 is mounted in the assembly box, the pin 2 is placed on the side of the contact block, and the pin 1 and the pin 2 both pass through the assembly box and are placed in the sealing cover body.

[0007] A shell cavity is provided in the rubber package of the shell, and an assembly component is fixed in the shell cavity. The assembly component includes a fixing plate and a sealing cover body matching the fixing plate, the sealing cover body is installed on the fixing plate, an assembly box is installed on the fixing plate and the assembly box is placed inside the sealing cover body, an elastic pressing piece and a key seat are provided in the assembly box, one end of the elastic pressing piece is installed in the assembly box, and the other end of the elastic pressing piece is installed at the bottom of the key seat, the key seat and the assembly box are rotatably connected, and through holes 1, 2 and 3 matching the key seat are respectively provided on the top surface of the assembly box, the top surface of the sealing cover and the top surface of the rubber package of the shell, and the top of the key seat passes through through holes 1, 2 and 3 in sequence and is built into the outside of the rubber package of the shell, a contact block and a pin 1 are fixed on the elastic pressing piece, and a pin 1 is installed in the assembly box. Pin two, pin two is placed on the side of the contact block, pin one and pin two are both inserted through the assembly box and placed in the sealing cover body, the outer shell rubber coating is an integrated injection molding structure, which is injection molded on the outside of the sealing cover, thereby ensuring the sealing of the plug and making the plug structure more solid and durable; wherein the sealing cover body is an insulator, which on the one hand plays a role in protecting and insulating the assembly box, and on the other hand is convenient for injection molding of the outer shell rubber coating, and through the cooperation of the sealing cover and the outer shell rubber coating, it can well prevent external dust and moisture from entering the assembly box and damaging its internal structure, thereby ensuring the safety of the plug; the user can press the button through the button seat to control the contact and separation of the contact block and pin two, thereby realizing the connection and disconnection of the circuit, the structure is simple, and it is also very convenient to control.

[0008] Preferably, the upper end surface of the fixing plate is provided with a fixing plate slot matching the assembly box, the assembly box is connected to the fixing plate through the fixing plate slot, a threaded hole one is provided on the fixing plate, a threaded hole two matching the threaded hole one is provided on the sealing cover body, the sealing cover body is threadedly connected to the fixing plate through the cooperation of the threaded hole two and the threaded hole one, the connection method is simple and convenient, easy to install and has high stability.

[0009] Preferably, the assembly box includes an assembly base snap-connected to a fixed plate and an assembly cover matching the assembly base; the assembly base and the assembly cover are detachably connected; a mounting block is fixed in the assembly box, and an elastic pressing sheet is installed on the mounting block; the structure is simple, and the installation is quick and easy, the operation is convenient, and the subsequent maintenance is convenient.

[0010] Preferably, vertical convex plates are fixed on both sides of the assembly base, and sliding grooves are provided on the vertical convex plates. Vertical concave plates matching the vertical convex plates are fixed on both sides of the assembly cover, and sliding blocks matching the sliding grooves are fixed on the vertical concave plates. The assembly base is slidably connected to the assembly cover through the cooperation of the sliding grooves on the vertical convex plates and the sliding blocks on the vertical concave plates. Through the mutual cooperation of the two, the assembly base and the assembly cover are more convenient and quick to install.

[0011] Preferably, the mounting block is fixed between two vertical convex plates on the assembly base, and an open groove matching the elastic pressing sheet is provided on one side of the mounting block. The elastic pressing sheet is installed in the mounting block through the open groove, and a groove matching the contact block and a socket matching the pin one are provided in the mounting block. The contact block is placed in the groove, and the pin one is placed in the socket. The pin one is fixed on one side of the elastic pressing sheet, and the contact block is fixed in the middle position of the elastic pressing sheet. The other side of the elastic pressing sheet passes through the mounting block and is installed on the button seat. The elastic pressing sheet can be installed in the mounting block through the open groove, wherein the socket is used to fix one side of the elastic pressing sheet, and the other side of the elastic pressing sheet is moved by the button seat, so that the contact block jumps up and down in the groove. The structure is simple, easy to control, and easy to operate.

[0012] Preferably, a pin one mounting groove matching with pin one is provided on the side of one of the vertical protruding plates, one end of pin one is fixed on one side of the elastic pressing plate, the other end of pin one passes through the pin one mounting groove and is placed outside the assembly box, a pin two mounting groove matching with pin two is provided on the vertical protruding plate, the pin two mounting groove is connected with the bottom of the groove, one end of pin two passes through the pin two mounting groove and is installed at the bottom of the groove, the other end of pin two is placed outside the assembly box, wherein pin two is installed at the bottom of the groove, when the contact block jumps up and down in the groove, it can contact and separate with pin two, thereby realizing the effect of connecting and disconnecting the circuit, the structure is simple, easy to control, and very convenient to operate.

[0013] Preferably, pin 1 and several pins 2 are fixed on the fixed plate, pin 1 and pin 2 both pass through the shell cavity and are placed outside the rubber package of the shell, pin 1 is connected to the other end of pin 1, terminal 1 is fixed on pin 2, terminal 2 is fixed on the other end of pin 2, terminal 1 and terminal 2 both pass through the sealing cover and are placed in the shell cavity, the plug is electrically connected to the socket through pin 1 and pin 2, wherein pin 1 is connected to the live wire through terminal 2 on pin 2, and pin 2 can be set to one or more to connect the neutral wire to adapt to different power supply voltages.

[0014] Preferably, the button seat is installed on the top of the mounting block and is rotatably connected to the mounting block. A connecting rod is installed at the bottom of the button seat. One end of the connecting rod is rotatably connected to the button seat. The other end of the connecting rod is fixed with a pressing piece slot matching the elastic pressing piece. The other end of the elastic pressing piece passes through the mounting block and is installed on the pressing piece slot. The structure is simple, easy to install and easy to operate.

[0015] Preferably, a vertical plate 1 is fixed on the top of the mounting block, and a vertical plate 2 which is perpendicular to the vertical plate 1 is fixed on the bottom of the button seat. A mounting groove matching the vertical plate 1 is provided at the bottom of the vertical plate 2. The vertical plate 1 is placed in the mounting groove. The width of the bottom of the mounting groove is smaller than the width of the opening of the mounting groove. The button seat is mounted on the mounting block through the cooperation of the mounting groove on the vertical plate 2 and the vertical plate 1 and is rotatably connected to the mounting block. The structure is simple and easy to control. The top of the vertical plate 1 and the bottom of the mounting groove can be set to a matching arc shape to reduce wear and further increase the smoothness and comfort when pressing the keys.

[0016] Preferably, threaded holes three are provided on both sides of the bottom of the vertical protruding plate, and vertical cover plates perpendicular to the vertical protruding plate are fixed on the other two sides of the assembly cover. Threaded holes four matching threaded holes three are provided on the bottom of the vertical cover plate. The assembly base is threadedly connected to the assembly cover through the cooperation of threaded holes three on the vertical protruding plate and threaded holes four on the vertical cover plate. The through hole one is located on the assembly cover. The threaded connection has good stability, is quick and easy to install, easy to operate, and convenient for later maintenance.

[0017] The beneficial effects of the present invention are as follows: the rubber coating of the shell is an integrated injection molding structure, which is injection molded on the outside of the sealing cover, thereby ensuring the sealing of the plug and making the plug structure more firm and durable; the sealing cover body plays a protective and insulating role for the assembly box on the one hand, and facilitates the injection molding of the rubber coating of the shell on the other hand. Through the cooperation of the sealing cover and the rubber coating of the shell, it is possible to prevent external dust and moisture from entering the assembly box and damaging its internal structure, thereby ensuring the safety of the plug; the user can press keys through the key seat to control the contact and separation of the contact block and the pin 2, thereby realizing the connection and disconnection of the circuit, the structure is simple, and the control is also very convenient; the operation is convenient during processing and installation, the production efficiency is high, and the yield rate is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 yes Figure 1 The main view of the assembly component;

[0020] Figure 3 yes Figure 2 A top view of

[0021] Figure 4 yes Figure 2 Connection diagram of internal assembly box and fixing plate;

[0022] Figure 5 yes Figure 4 A top view of

[0023] Figure 6 yes Figure 2 A top view of the middle fixed plate portion;

[0024] Figure 7 yes Figure 4 Left view of the assembly box part in;

[0025] Figure 8 yes Figure 4 The right side view of the assembly box part;

[0026] Fig. 9 yes Figure 8 A schematic diagram of the structure of the upper cover in the middle assembly;

[0027] Fig.10 yes Figure 8 A schematic diagram of the structure of the assembly base;

[0028] Fig.11 yes Fig.10 Internal structure diagram;

[0029] Fig.12 yes Figure 8 Assembly drawing of the parts on the assembly base;

[0030] Fig.13 yes Fig.12 The enlarged view of point A in the middle;

[0031] Fig.14 yes Fig.12 Assembly drawing of the center button holder and mounting block.

[0032] In the figure: 1. Rubber coating of shell, 2. Through hole 3, 3. Button seat, 4. Shell cavity, 5. Assembly components, 6. Sealing cover, 7. Fixing plate, 8. Through hole 2, 9. Wiring head 2, 10. Wiring head 1, 11. Assembly box, 12. Fixing board slot, 13. Threaded hole 1, 14. Pin 1, 15. Through hole 1, 16. Pin 2, 17. Pin 1, 18. Pin 2, 19. Assembly cover, 20. Assembly base, 21. Pin two mounting slot, 22. Pin one mounting slot, 23. Vertical concave plate, 24. Slider, 25. Threaded hole four, 26. Vertical cover plate, 27. Vertical convex plate, 28. Slide slot, 29. Threaded hole three, 30. Mounting block, 31. Connecting rod, 32. Card seat, 33. Open slot, 34. Contact block, 35. Groove, 36. Elastic pressing sheet, 37. Pressing sheet slot, 38. Vertical plate two, 39. Mounting groove, 40. Vertical plate one. DETAILED DESCRIPTION

[0033] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0034] like Figure 1 In the embodiment described, a key plug includes a shell rubber package 1, a shell cavity 4 is provided in the shell rubber package 1, and an assembly component 5 is fixed in the shell cavity 4, such as Figure 2 As shown, the assembly component 5 includes a fixing plate 7 and a sealing cover body 6 matching the fixing plate 7 , and the sealing cover body 6 is installed on the fixing plate 7 .

[0035] like Figure 2 and Figure 4 As shown, an assembly box 11 is installed on the fixing plate 7 and the assembly box 11 is placed inside the sealing cover 6. Figure 8 and Fig.12 As shown, an elastic pressing sheet 36 and a key seat 3 are provided in the assembly box 11. One end of the elastic pressing sheet 36 is installed inside the assembly box 11, and the other end of the elastic pressing sheet 36 is installed at the bottom of the key seat 3. The key seat 3 and the assembly box 11 are rotatably connected.

[0036] like Figure 1 , Figure 3 and Figure 5 As shown, the top surface of the assembly box 11, the top surface of the sealing cover and the top surface of the outer shell rubber bag 1 are respectively provided with a through hole 15, a through hole 2 and a through hole 3 2 matching the key seat 3, and the top of the key seat 3 passes through the through hole 15, the through hole 2 8 and the through hole 3 2 in sequence and is placed outside the outer shell rubber bag 1.

[0037] like Figure 5 and Fig.12As shown, the contact block 34 and the pin 14 are fixed on the elastic pressing piece 36, and the pin 2 16 is installed in the assembly box 11. The pin 2 16 is placed on the side of the contact block 34. Both the pin 14 and the pin 2 16 pass through the assembly box 11 and are placed in the sealing cover 6.

[0038] like Figure 4 and Figure 5 As shown, the upper end surface of the fixing plate 7 is provided with a fixing plate slot 12 matching the assembly box 11, the assembly box 11 is clamped with the fixing plate 7 through the fixing plate slot 12, the fixing plate 7 is provided with a threaded hole 13, the sealing cover body 6 is provided with a threaded hole 2 matching the threaded hole 13, and the sealing cover body 6 is threadedly connected to the fixing plate 7 through the cooperation of the threaded hole 2 and the threaded hole 13.

[0039] like Figure 7 and Figure 8 As shown, the assembly box 11 includes an assembly base 20 clamped on the fixing plate 7 and an assembly cover 19 matching the assembly base 20. The assembly base 20 and the assembly cover 19 are detachably connected. Fig.11 and Fig.12 As shown, a mounting block 30 is fixed in the assembly box 11 , and an elastic pressing piece 36 is installed on the mounting block 30 .

[0040] like Fig. 9 and Fig.10 As shown, vertical convex plates 27 are fixed on both sides of the assembly base 20, and slide grooves 28 are provided on the vertical convex plates 27. Vertical concave plates 23 matching the vertical convex plates 27 are fixed on both sides of the assembly cover 19, and sliders 24 matching the slide grooves 28 are fixed on the vertical concave plates 23. The assembly base 20 is slidably connected to the assembly cover 19 through the cooperation of the slide grooves 28 on the vertical convex plates 27 and the sliders 24 on the vertical concave plates 23.

[0041] like Fig.11 and Fig.12 As shown, the mounting block 30 is fixed between two vertical protruding plates 27 on the assembly base 20 , and an opening groove 33 matching the elastic pressing piece 36 is provided on one side of the mounting block 30 , and the elastic pressing piece 36 is installed in the mounting block 30 through the opening groove 33 .

[0042] like Fig.12 and Fig.13 As shown, a groove 35 matching the contact block 34 and a socket 32 ​​matching the pin 14 are provided in the mounting block 30, the contact block 34 is placed in the groove 35, the pin 14 is placed in the socket 32, the pin 14 is fixed on one side of the elastic pressing sheet 36, the contact block 34 is fixed in the middle position of the elastic pressing sheet 36, and the other side of the elastic pressing sheet 36 passes through the mounting block 30 and is installed on the button seat 3.

[0043] like Figure 8As shown, a pin-mounting groove 22 matching the pin-14 is provided on the side of one of the vertical protrusions 27, one end of the pin-14 is fixed to one side of the elastic pressing piece 36, and the other end of the pin-14 passes through the pin-mounting groove 22 and is placed outside the assembly box 11, as shown in FIG. Figure 7 As shown, a pin 2 mounting groove 21 matching with the pin 2 16 is provided on the vertical protrusion 27, the pin 2 mounting groove 21 is connected with the bottom of the groove 35, one end of the pin 2 16 passes through the pin 2 mounting groove 21 and is installed at the bottom of the groove 35, and the other end of the pin 2 16 is placed outside the assembly box 11.

[0044] like Figure 6 As shown, a pin 17 and a plurality of pins 2 18 are fixed on the fixing plate 7, and the pins 17 and 18 are both placed outside the shell rubber package 1 through the shell cavity 4, and the pin 17 is connected to the other end of the pin 14, and a terminal 10 is fixed on the pin 2 18, as shown in FIG. Figure 5 As shown, a second terminal block 9 is fixed to the other end of the second pin 16 , and both the first terminal block 10 and the second terminal block 9 pass through the sealing cover 6 and are placed in the housing cavity 4 .

[0045] like Fig.12 As shown, the button seat 3 is installed on the top of the mounting block 30 and is rotatably connected to the mounting block 30. A connecting rod 31 is installed at the bottom of the button seat 3. One end of the connecting rod 31 is rotatably connected to the button seat 3. The other end of the connecting rod 31 is fixed with an elastic pressing piece 36 and a pressing piece slot 37 matching the elastic pressing piece 36. The other end of the elastic pressing piece 36 passes through the mounting block 30 and is installed on the pressing piece slot 37.

[0046] like Fig.13 As shown, a vertical plate 1 40 is fixed to the top of the mounting block 30, a vertical plate 2 38 perpendicular to the vertical plate 1 40 is fixed to the bottom of the button seat 3, a mounting groove 39 matching the vertical plate 1 40 is provided at the bottom of the vertical plate 2 38, the vertical plate 1 40 is placed in the mounting groove 39, the width of the bottom of the mounting groove 39 is smaller than the width of the opening of the mounting groove 39, and the button seat 3 is mounted on the mounting block 30 through the cooperation of the mounting groove 39 on the vertical plate 2 38 and the vertical plate 1 40 and is rotatably connected to the mounting block 30.

[0047] like Fig. 9 and Fig.10 As shown, threaded holes 3 29 are provided on both sides of the bottom of the vertical protruding plate 27, and vertical cover plates 26 perpendicular to the vertical protruding plate 27 are fixed on the other two sides of the assembly cover 19. The bottom of the vertical cover plate 26 is provided with threaded holes 25 matching the threaded holes 3 29. The assembly base 20 is threadedly connected to the assembly cover 19 through the cooperation of the threaded holes 3 29 on the vertical protruding plate 27 and the threaded holes 4 25 on the vertical cover plate 26. The through hole 15 is located on the assembly cover 19.

[0048] Assembly process:

[0049] The button seat 3 is placed on the mounting block 30 through the mounting groove 39 on the vertical plate 2 38 and the vertical plate 1 40; the contact block 34 and the pin 14 are welded and injection-molded on the elastic pressing piece 36, and then the injection-molded elastic pressing piece 36 is slid into the inside of the mounting block 30 along the opening groove 33 of the mounting block 30 on the assembly base 20, wherein the contact block 34 slides into the groove 35, and one side of the elastic pressing piece 36 with the pin 14 is fixed in the card seat 32 (the other end of the pin 14 is placed outside through the pin 1 mounting groove 22), and the elastic pressing piece 36 The other end passes through the mounting block 30 and is installed on the pressing slot 37 of the button seat 3; the pin 2 16 passes through the pin 2 mounting slot 21 and is installed at the bottom of the groove 35 (the other end of the pin 2 16 is placed outside through the pin 2 mounting slot 21); finally, the assembly cover 19 is covered on the assembly base 20 through the cooperation of the slide groove 28 on the vertical convex plate 27 and the slider 24 on the vertical concave plate 23 (the top of the button seat 3 is placed in the through hole 15 of the assembly box 11), and the threaded hole 3 29 and the threaded hole 4 25 are tightened by the fastening bolts to complete the assembly of the assembly box 11.

[0050] The assembled assembly box 11 is clamped on the fixed plate slot 12 of the fixed plate 7, and the pin 17 and the pin 2 18 are fixed on the fixed plate 7 (the other end of the pin 14 is connected to the pin 17); the terminal head 10 for wiring is welded on the pin 2 18, and the terminal head 2 9 for wiring is welded on the other end of the pin 2 16; the sealing cover 6 is covered on the fixed plate 7, and the threaded hole 13 and the threaded hole 2 are tightened by fastening bolts (the top of the button seat 3 is placed in the through hole 2 8 of the sealing cover 6); finally, the outer shell rubber bag 1 is injection molded on the outside of the sealing cover 6 to complete the processing of the plug (the top of the button seat 3 is placed in the through hole 3 2 on the outer shell rubber bag 1, and the terminal head 10 and the terminal head 2 9 both pass through the sealing cover 6 and are placed in the outer shell cavity 4 of the outer shell rubber bag 1).

Claims

1. A key plug, characterized in that: The invention comprises a shell rubber coating (1), wherein a shell cavity (4) is provided in the shell rubber coating (1), an assembly component (5) is fixed in the shell cavity (4), the assembly component (5) comprises a fixing plate (7) and a sealing cover (6) matching the fixing plate (7), the sealing cover (6) is mounted on the fixing plate (7), an assembly box (11) is mounted on the fixing plate (7), and the assembly box (11) is placed inside the sealing cover (6), an elastic pressing sheet (36) and a key seat (3) are provided in the assembly box (11), one end of the elastic pressing sheet (36) is mounted inside the assembly box (11), and the other end of the elastic pressing sheet (36) is mounted at the bottom of the key seat (3), and the key seat (3) and the assembly box are connected to each other. (11) is rotatably connected, the top surface of the assembly box (11), the top surface of the sealing cover and the top surface of the outer shell rubber package (1) are respectively provided with a through hole 1 (15), a through hole 2 (8) and a through hole 3 (2) that match the key seat (3), the top of the key seat (3) passes through the through hole 1 (15), the through hole 2 (8) and the through hole 3 (2) in sequence and is placed outside the outer shell rubber package (1), the elastic pressing sheet (36) is fixed with a contact block (34) and a pin 1 (14), the assembly box (11) is installed with a pin 2 (16), the pin 2 (16) is placed on the side of the contact block (34), the pin 1 (14) and the pin 2 (16) both pass through the assembly box (11) and are placed in the sealing cover (6), the fixing plate The upper end surface of the assembly box (11) is provided with a fixing plate slot (12) matching with the assembly box (11), the assembly box (11) is connected to the fixing plate (7) through the fixing plate slot (12), the fixing plate (7) is provided with a threaded hole (13), the sealing cover (6) is provided with a threaded hole (2) matching with the threaded hole (13), the sealing cover (6) is threadedly connected with the fixing plate (7) through the cooperation of the threaded hole (2) and the threaded hole (13), the assembly box (11) comprises an assembly base (20) connected to the fixing plate (7) and an assembly upper cover (19) matching with the assembly base (20), the assembly base (20) and the assembly upper cover (19) are detachably connected, and an assembly base (20) is fixed in the assembly box (11). The mounting block (30) is mounted on the mounting block (30). Vertical convex plates (27) are fixed on both sides of the assembly base (20). The vertical convex plates (27) are provided with slide grooves (28). Vertical concave plates (23) matching the vertical convex plates (27) are fixed on both sides of the assembly cover (19). The vertical concave plates (23) are fixed with slide blocks (24) matching the slide grooves (28). The assembly base (20) is slidably connected to the assembly cover (19) through the cooperation of the slide grooves (28) on the vertical convex plates (27) and the slide blocks (24) on the vertical concave plates (23). The mounting block (30) is fixed between the two vertical convex plates (27) on the assembly base (20).An open groove (33) matching the elastic pressing sheet (36) is provided on one side of the mounting block (30), the elastic pressing sheet (36) is installed in the mounting block (30) through the open groove (33), a groove (35) matching the contact block (34) and a socket (32) matching the pin one (14) are provided in the mounting block (30), the contact block (34) is placed in the groove (35), the pin one (14) is placed in the socket (32), the pin one (14) is fixed on one side of the elastic pressing sheet (36), the contact block (34) is fixed at the middle position of the elastic pressing sheet (36), and the other side of the elastic pressing sheet (36) passes through the mounting block (30) and is installed on the key seat (3).

2. A key plug according to claim 1, characterized in that: A pin one mounting groove (22) matching with pin one (14) is provided on the side surface of one of the vertical protruding plates (27); one end of the pin one (14) is fixed to one side of the elastic pressing plate (36); the other end of the pin one (14) passes through the pin one mounting groove (22) and is placed outside the assembly box (11); a pin two mounting groove (21) matching with pin two (16) is provided on the vertical protruding plate (27); the pin two mounting groove (21) is connected to the bottom of the groove (35); one end of the pin two (16) passes through the pin two mounting groove (21) and is installed at the bottom of the groove (35); the other end of the pin two (16) is placed outside the assembly box (11).

3. A key plug according to claim 2, characterized in that: The fixing plate (7) is fixed with a first pin (17) and a plurality of second pins (18); the first pin (17) and the second pin (18) both pass through the shell cavity (4) and are placed outside the shell rubber package (1); the first pin (17) is connected to the other end of the first pin (14); the second pin (18) is fixed with a first terminal (10); the other end of the second pin (16) is fixed with a second terminal (9); the first terminal (10) and the second terminal (9) both pass through the sealing cover (6) and are placed in the shell cavity (4).

4. A key plug according to claim 1, characterized in that: The button seat (3) is mounted on the top of the mounting block (30) and is rotatably connected to the mounting block (30); a connecting rod (31) is mounted on the bottom of the button seat (3); one end of the connecting rod (31) is rotatably connected to the button seat (3); the other end of the connecting rod (31) is provided with a pressing sheet slot (37) matching the elastic pressing sheet (36); the other end of the elastic pressing sheet (36) passes through the mounting block (30) and is mounted on the pressing sheet slot (37).

5. A key plug according to claim 4, characterized in that: A vertical plate 1 (40) is fixed on the top of the mounting block (30), a vertical plate 2 (38) perpendicular to the vertical plate 1 (40) is fixed on the bottom of the button seat (3), a mounting groove (39) matching the vertical plate 1 (40) is provided on the bottom of the vertical plate 2 (38), the vertical plate 1 (40) is placed in the mounting groove (39), the width of the bottom of the mounting groove (39) is smaller than the width of the opening of the mounting groove (39), and the button seat (3) is mounted on the mounting block (30) through the matching of the mounting groove (39) on the vertical plate 2 (38) and the vertical plate 1 (40) and is rotatably connected to the mounting block (30).

6. A key plug according to claim 1, characterized in that: The bottom of the vertical protruding plate (27) is provided with threaded holes three (29) on both sides, and the other two sides of the assembly cover (19) are fixed with vertical cover plates (26) perpendicular to the vertical protruding plate (27). The bottom of the vertical cover plate (26) is provided with threaded holes four (25) matching the threaded holes three (29). The assembly base (20) is threadedly connected to the assembly cover (19) through the cooperation of the threaded holes three (29) on the vertical protruding plate (27) and the threaded holes four (25) on the vertical cover plate (26). The through hole one (15) is located on the assembly cover (19).

Images