An overload protector

Abstract

The present invention discloses an overload protector. It comprises an assembly body, wherein a metal spring and a control switch are arranged in the assembly body, one side of the metal spring is installed in the assembly body and a pin 1 is fixed thereon, and the other side of the metal spring is installed on the control switch, and a switch through hole matching the control switch is arranged on the surface of the assembly body, and the control switch is placed in the switch through hole, and a pin 2 is installed in the assembly body, and the pin 2 is placed on the side of the metal spring, and the pin 1 and the pin 2 both penetrate the surface of the assembly body and are placed outside the assembly body. The beneficial effects of the present invention are: when an overload phenomenon occurs, the metal spring will automatically move, deform, separate from the pin 2, disconnect the current, protect the equipment from damage, and have high safety; the user can drive the metal spring to move by controlling the switch, and artificially control the connection and disconnection of the circuit, which is very convenient to control.

Description

Technical Field

[0001] The present invention relates to the technical field related to plugs, and in particular to an overload protector. Background Art

[0002] A power plug is a device that connects electrical appliances and other devices to a power source. The common two-pole grounding plug, or three-pole plug, currently used in the market is used to match the socket. When an appliance is not in use, people usually unplug the plug, but some users forget or do not unplug it to save effort, or in some cases, there are conductive substances such as water stains on their hands, which may cause danger when unplugging; or turn off the power switch of the electrical equipment. For the latter, the plug of the appliance is often still left in the power socket and still consumes electricity. At this time, the power part of the appliance is still charged, which is very unsafe. In addition, for appliances without switches such as rice cookers and electric kettles, the plug must be unplugged after each use, which is not only troublesome but also affects the life of the plug and socket.

[0003] Especially when an electrical appliance is overloaded, the existing plug device does not have an automatic power-off device and cannot automatically disconnect the circuit, which can easily lead to damage to the equipment or even fire, bringing extremely serious consequences. Summary of the invention

[0004] The present invention aims to overcome the deficiency in the prior art that an overload in a circuit may cause damage to equipment or even cause a fire, and provides an overload protector which can automatically disconnect the circuit when an overload occurs.

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

[0006] An overload protector comprises an assembly body, wherein a metal spring and a control switch are arranged in the assembly body, one side of the metal spring is installed in the assembly body and a pin 1 is fixed thereon, and the other side of the metal spring is installed on the control switch, a switch through hole matching the control switch is arranged on the surface of the assembly body, and the control switch is placed in the switch through hole, a pin 2 is installed in the assembly body, and the pin 2 is placed on the side of the metal spring, and the pin 1 and the pin 2 both penetrate the surface of the assembly body and are placed outside the assembly body.

[0007] A metal spring and a control switch are arranged in the assembly body, one side of the metal spring is installed in the assembly body and a pin 1 is fixed thereon, and the other side of the metal spring is installed on the control switch. A switch through hole matching the control switch is arranged on the surface of the assembly body, and the control switch is placed in the switch through hole. A pin 2 is installed in the assembly body, and the pin 2 is placed on the side of the metal spring. Both the pin 1 and the pin 2 pass through the surface of the assembly body and are placed outside the assembly body, wherein the pin 1 and the pin 2 are respectively connected with the power supply and the device by wires; when the circuit is connected, the metal spring and the pin 2 are in contact, and the current of the power supply flows into the device through the pin 1, the metal spring and the pin 2 in turn; if an overload occurs, the metal spring moves, deforms, and automatically separates from the pin 2, so that the current is disconnected to protect the device from damage; in addition, the user can also drive the metal spring to move by the control switch to manually control the connection and disconnection of the circuit, which is very convenient to control.

[0008] Preferably, the shape of the metal shrapnel is E-shaped, the tops of the two outer sides of the metal shrapnel are fixed on pin one, the distance between the tops of the two outer sides of the metal shrapnel is smaller than the distance between the bottoms of the two outer sides of the metal shrapnel, the length of the inner side of the metal shrapnel is smaller than the length of the outer side of the metal shrapnel and a contact head matching pin two is fixed thereon, wherein pin one is welded to the metal shrapnel to be integrally formed, and when the metal shrapnel designed in this way is deformed by external force, its inner side will automatically convex or concave, thereby realizing the contact or separation between the contact head and pin two, and then realizing the connection and disconnection of the circuit, and its structure is simple, the response is fast and sensitive, and it is also very convenient to control.

[0009] Preferably, a mounting block is fixed in the assembly body, a metal spring is installed on the mounting block, the assembly body includes an assembly base and an assembly cover, the assembly base and the assembly cover are detachably connected, the structure is simple, easy to install, easy to operate, and convenient for later maintenance.

[0010] Preferably, a vertical plate 1 is fixed on both sides of the left and right sides of the base, a buckle is provided on the top of the vertical plate 1, a slot matching the buckle is provided on the assembly cover, the assembly base is clamped with the upper cover through the cooperation of the buckle and the slot, a vertical plate 2 is fixed on the rear side of the assembly base, a slide groove 1 is provided on the top of the vertical plate 2, a slider 1 matching the slide groove 1 is provided on the assembly cover, the upper cover is slidably connected with the assembly base through the cooperation of the slider 1 and the slide groove 1, the mounting block is fixed on the vertical plate 2, the connection mode of the assembly base and the assembly upper cover can be a clamping mode of the slot and the buckle, which is convenient and quick to install, easy to operate and convenient for later maintenance; the slider 1 and the slide groove together play a positioning role; such a design can enable the metal spring sheet to slide into the mounting block from the front side of the base and be fixed.

[0011] Preferably, vertical convex plates are fixed on the front and rear sides of the assembly base, and two slide 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 two sliders matching the two slide grooves are fixed on the vertical concave plates. The assembly base is slidably connected to the assembly cover through the cooperation of the two slide grooves on the vertical convex plates and the two sliders on the vertical concave plates. The connection method of the assembly base and the assembly cover can be mutual assembly of the vertical convex plate and the vertical concave plate; wherein the two sliders and the two slide grooves play a positioning role.

[0012] 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 plates are fixed on the left and right sides of the assembly cover. A threaded hole four matching the threaded hole three is provided on the bottom of the vertical cover plate. The assembly base is threadedly connected to the assembly cover through the cooperation of the threaded hole three on the vertical protruding plate and the threaded hole four on the vertical cover plate. The switch through hole is located on the assembly cover, and the mounting block is fixed between the two vertical protruding plates on the assembly base, wherein the connection method of the vertical protruding plate and the vertical concave plate can be a threaded connection, which is convenient to operate, easy to install and disassemble, and has good stability. Such a design allows the metal spring pieces to slide into the mounting block from the left and right sides of the base and be fixed.

[0013] Preferably, a side mounting groove is formed between the mounting block and the assembly base, the metal spring sheet is mounted in the side mounting groove and is slidably connected to the side mounting groove, the side mounting groove includes a pin groove matching pin one and an inner groove matching the contact head, one end of pin one is mounted on the pin groove, the other end of pin one is placed outside the assembly body, and the contact head is placed inside the inner groove, a pin two mounting hole matching pin two is provided on the side wall of the assembly body, the pin two mounting hole is connected to the bottom of the inner groove, one end of pin two is mounted on the bottom of the inner groove through the pin two mounting hole, and the other end of pin two is placed outside the assembly body, wherein one side of the metal spring sheet with pin one is fixed on the pin groove, when the circuit is overloaded or the user deforms the metal spring sheet by controlling the switch, the contact head on the metal spring sheet will jump up and down in the inner groove, contact and separate from pin two at the bottom of the inner groove, thereby realizing the connection and disconnection of the circuit, which is convenient to control and has high sensitivity.

[0014] Preferably, the control switch includes a button seat, a button seat slide groove is provided on the lower end surface of the button seat, and a mounting block slide rail matching the button seat slide groove is fixed on the top of the mounting block. The button seat is installed on the top of the mounting block and is slidably connected to the mounting block through the cooperation of the button seat slide groove and the mounting block slide rail. A fixing plate is fixed to the bottom of the side of the button seat, and a mounting card slot matching the metal spring is provided on the fixing plate. The other side of the metal spring passes through the side mounting slot and is installed on the mounting card slot. The control switch can be button-controlled. The user presses or pulls up the button seat to make the button seat slide up and down on the mounting block slide rail on the top of the mounting block, and then drives the metal spring to move through the fixing plate, so that the contact head on the metal spring contacts or separates from pin 2, thereby controlling the connection or disconnection of the circuit. The structure is simple and easy to assemble.

[0015] Preferably, the control switch includes a button seat, which is mounted on the top of the mounting block and rotatably connected to the mounting block. A rotating plate is provided at the bottom of the side of the button seat. One end of the rotating plate is mounted on the button seat and rotatably connected to the button seat. The other end of the rotating plate is provided with a spring card slot matching the metal spring. The other end of the metal spring passes through the side mounting slot and is installed on the spring card slot. The control switch can also be a button control method. The user presses both sides of the button seat to cause the rotating plate on it to drive the metal spring to move, so that the contact head on the metal spring and pin 2 contact or separate, thereby controlling the connection or disconnection of the circuit.

[0016] Preferably, a mounting vertical plate 1 is fixed to the lower end surface of the button seat, a mounting groove is provided at the bottom of the mounting vertical plate 1, the width of the bottom of the mounting groove is smaller than the width of the opening of the mounting groove, a mounting vertical plate 2 which is perpendicular to the mounting vertical plate 1 is fixed to the top of the mounting block, the mounting vertical plate 2 is placed in the mounting groove, the button seat is mounted on the mounting block through the cooperation of the mounting groove on the mounting vertical plate 1 and the mounting vertical plate 2 and is rotatably connected to the mounting block, the structure is simple and easy to assemble, wherein the top of the vertical plate 1 and the bottom of the mounting groove can be set to a mutually matching arc shape to reduce wear, further increasing the smoothness and comfort when pressing the keys.

[0017] The beneficial effects of the present invention are as follows: when an overload occurs, the metal spring automatically moves, deforms, and separates from the second pin, thereby disconnecting the current and protecting the device from damage, with high safety; the user can drive the metal spring to move by controlling the switch, and artificially control the connection and disconnection of the circuit, which is very convenient to control. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 It is a front view of the first embodiment of the present invention;

[0020] Figure 3is a top view of the first embodiment of the present invention;

[0021] Figure 4 It is a rear view of the first embodiment of the present invention;

[0022] Figure 5 yes Figure 4 A schematic diagram of the structure of the assembly base;

[0023] Figure 6 yes Figure 4 A schematic diagram of the structure of the upper cover in the middle assembly;

[0024] Figure 7 This is a front view of the second embodiment of the present invention;

[0025] Figure 8 is a top view of the second embodiment of the present invention;

[0026] Fig. 9 It is a rear view of the second embodiment of the present invention;

[0027] Fig.10 yes Fig. 9 A schematic diagram of the structure of the assembly base;

[0028] Fig.11 yes Fig. 9 A schematic diagram of the structure of the upper cover in the middle assembly;

[0029] Fig.12 This is the assembly diagram of the metal shrapnel and the mounting block;

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

[0031] Fig.14 This is the connection diagram of the metal spring and the button seat;

[0032] Fig.15 This is the connection diagram of the metal dome and the button seat;

[0033] Fig.16 It is a schematic diagram of the structure of a metal shrapnel.

[0034] In the figure: 1. Assembly body, 2. Pin 2, 3. Pin 1, 4. Switch through hole, 5. Assembly cover, 6. Assembly base, 7. Vertical plate 2, 8. Slide 1, 9. Mounting block, 10. Pin 2 mounting hole, 11. Buckle, 12. Vertical plate 1, 13. Slot, 14. Slider 1, 15. Vertical convex plate, 16. Slide 2, 17. Threaded hole 3, 18. Vertical concave plate, 19. Slider 2, 20. Vertical cover Plate, 21. Threaded hole four, 22. Side mounting groove, 23. Pin groove, 24. Metal spring, 25. Inner groove, 26. Contact head, 27. Control switch, 28. Button seat, 29. Button seat slide, 30. Mounting block slide rail, 31. Mounting card slot, 32. Fixed plate, 33. Button seat, 34. Mounting vertical plate one, 35. Mounting vertical plate two, 36. Mounting groove, 37. Spring card slot, 38. Rotating plate. DETAILED DESCRIPTION

[0035] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0036] like Figure 1 As shown, an overload protector includes an assembly body 1, as shown Fig.14 and Fig.15 As shown, the assembly body 1 is provided with a metal spring 24 and a control switch 27. Fig.12 and Fig.13 As shown, one side of the metal spring 24 is installed in the assembly body 1 and a pin 1 3 is fixed thereon, and the other side of the metal spring 24 is installed on the control switch 27. A switch through hole 4 matching the control switch 27 is provided on the surface of the assembly body 1, and the control switch 27 is placed in the switch through hole 4. A pin 2 2 is installed in the assembly body 1, and the pin 2 2 is placed on the side of the metal spring 24. Both the pin 1 3 and the pin 2 2 pass through the surface of the assembly body 1 and are placed outside the assembly body 1.

[0037] like Fig.16 As shown, the shape of the metal spring 24 is E-shaped, the tops of the two outer sides of the metal spring 24 are fixed on the pin 1 3, the distance between the tops of the two outer sides of the metal spring 24 is smaller than the distance between the bottoms of the two outer sides of the metal spring 24, the length of the inner side of the metal spring 24 is smaller than the length of the outer side of the metal spring 24 and a contact head 26 matching the pin 2 2 is fixed thereon.

[0038] like Figure 5 and Fig.10 As shown, a mounting block 9 is fixed in the assembly body 1, and a metal spring 24 is mounted on the mounting block 9. Figure 4 and Fig. 9 As shown, the assembly body 1 includes an assembly base 6 and an assembly upper cover 5, and the assembly base 6 and the assembly upper cover 5 are detachably connected.

[0039] like Figure 5 and Figure 6 As shown, vertical plates 12 are fixed on the left and right sides of the assembly base 6, a buckle 11 is provided on the top of the vertical plate 12, and a slot 13 matching the buckle 11 is provided on the assembly cover 5. The assembly base 6 is snap-connected with the assembly cover 5 through the cooperation of the buckle 11 and the slot 13, a vertical plate 2 7 is fixed on the rear side of the assembly base 6, a slide groove 8 is provided on the top of the vertical plate 2 7, and a slider 14 matching the slide groove 8 is provided on the assembly cover 5. The assembly cover 5 is slidably connected with the assembly base 6 through the cooperation of the slider 14 and the slide groove 8, and the mounting block 9 is fixed on the vertical plate 2 7.

[0040] like Fig.10 and Fig.11 As shown, vertical convex plates 15 are fixed on both the front and rear sides of the assembly base 6, and a second slide groove 16 is provided on the vertical convex plate 15. Vertical concave plates 18 matching the vertical convex plates 15 are fixed on both sides of the assembly cover 5, and a second slider 19 matching the second slide groove 16 is fixed on the vertical concave plate 18. The assembly base 6 is slidably connected to the assembly cover 5 through the cooperation of the second slide groove 16 on the vertical convex plate 15 and the second slider 19 on the vertical concave plate 18.

[0041] like Fig.10 and Fig.11 As shown, threaded holes 3 17 are provided on both sides of the bottom of the vertical protruding plate 15, and vertical cover plates 20 perpendicular to the vertical protruding plate 15 are fixed on the left and right sides of the assembly cover 5. The bottom of the vertical cover plate 20 is provided with threaded holes 21 matching the threaded holes 3 17. The assembly base 6 is threadedly connected to the assembly cover 5 through the cooperation of the threaded holes 3 17 on the vertical protruding plate 15 and the threaded holes 4 21 on the vertical cover plate 20. The switch through hole 4 is located on the assembly cover 5, and the mounting block 9 is fixed between the two vertical protruding plates 15 on the assembly base 6.

[0042] like Fig.12 and Fig.13 As shown, a side mounting groove 22 is formed between the mounting block 9 and the assembly base 6, and a metal spring 24 is installed in the side mounting groove 22 and is slidably connected to the side mounting groove 22. The side mounting groove 22 includes a pin groove 23 matching the pin 1 3 and an inner groove 25 matching the contact head 26. One end of the pin 1 3 is installed on the pin groove 23, and the other end of the pin 1 3 is placed outside the assembly body 1. The contact head 26 is placed inside the inner groove 25. A pin 2 mounting hole 10 matching the pin 2 2 is provided on the side wall of the assembly body 1. The pin 2 mounting hole 10 is connected to the bottom of the inner groove 25. One end of the pin 2 2 is installed at the bottom of the inner groove 25 through the pin 2 mounting hole 10, and the other end of the pin 2 2 is placed outside the assembly body 1.

[0043] like Fig.14As shown, the control switch 27 includes a button seat 28, a button seat slide groove 29 is provided on the lower end surface of the button seat 28, a mounting block slide rail 30 matching the button seat slide groove 29 is fixed to the top of the mounting block 9, the button seat 28 is installed on the top of the mounting block 9 through the cooperation of the button seat slide groove 29 and the mounting block slide rail 30 and is slidably connected to the mounting block 9, a fixing plate 32 is fixed to the bottom of the side of the button seat 28, a mounting card groove 31 matching the metal spring 24 is provided on the fixing plate 32, and the other side of the metal spring 24 passes through the side mounting groove 22 and is installed on the mounting card groove 31.

[0044] like Fig.15 As shown, the control switch 27 includes a button seat 33, which is mounted on the top of the mounting block 9 and rotatably connected to the mounting block 9. A rotating plate 38 is provided at the bottom of the side of the button seat 33. One end of the rotating plate 38 is mounted on the button seat 33 and rotatably connected to the button seat 33. The other end of the rotating plate 38 is provided with a spring clip slot 37 matching the metal spring clip 24. The other end of the metal spring clip 24 passes through the side mounting slot 22 and is installed on the spring clip slot 37.

[0045] like Fig.15 As shown, a mounting vertical plate 12 is fixed to the lower end surface of the button seat 33, a mounting groove 36 is provided at the bottom of the mounting vertical plate 1 34, the width of the bottom of the mounting groove 36 is smaller than the width of the opening of the mounting groove 36, and a mounting vertical plate 2 35 perpendicular to the mounting vertical plate 1 34 is fixed to the top of the mounting block 9, the mounting vertical plate 2 35 is placed in the mounting groove 36, and the button seat 33 is installed on the mounting block 9 through the cooperation of the mounting groove 36 on the mounting vertical plate 1 34 and the mounting vertical plate 2 35 and is rotatably connected to the mounting block 9.

[0046] like Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 In the described embodiment, the installation method between the assembly base 6 and the assembly cover 5 can be a snap-on method, and the metal spring 24 can slide into the mounting block 9 from the front side of the assembly base 6 to be fixed, and then the assembly cover 5 is assembled with the assembly base 6 through the cooperation of the slider 14 and the slide groove 8, and is fixed by the cooperation of the buckle 11 on the vertical plate 1 and the slot 13 on the assembly cover 5.

[0047] like Figure 7 , Figure 8 , Fig. 9 , Fig.10 and Fig.11In the described embodiment, the installation method between the assembly base 6 and the assembly cover 5 can be a threaded connection method, and the metal spring 24 can slide into the mounting block 9 from the left and right sides of the assembly base 6 to be fixed. Then, the assembly cover 5 is assembled with the assembly base 6 through the cooperation of the slide groove 2 16 on the vertical convex plate 15 and the slider 2 19 on the vertical concave plate 18, and the threaded hole 3 17 on the vertical convex plate 15 and the threaded hole 4 21 on the vertical cover plate 20 are aligned and tightened by tightening bolts.

[0048] like Fig.14 In the described embodiment, the control switch 27 can be a button control mode. The user presses or pulls up the button seat 28 to make the button seat 28 slide up and down on the mounting block slide rail 30 on the top of the mounting block 9, and then drives the metal spring 24 to move through the fixing plate 32, so that the contact head 26 on the metal spring 24 and the pin 22 are in contact or separated.

[0049] like Fig.15 In the described embodiment, the control switch 27 can be a button control mode. The user presses the two sides of the button seat 33 to make the button seat 33 rotate back and forth on the mounting vertical plate 2 35 on the top of the mounting block 9 through the mounting groove 36 on the mounting vertical plate 1 34, and then drives the metal spring 24 to move through the rotating plate 38, so that the contact head 26 on the metal spring 24 and the pin 2 2 are in contact or separated, thereby controlling the connection or disconnection of the circuit.

Claims

1. An overload protector, characterized in that: The invention comprises an assembly body (1), wherein the assembly body (1) is provided with a metal spring (24) and a control switch (27), wherein one side of the metal spring (24) is installed in the assembly body (1) and a pin 1 (3) is fixed thereon, and the other side of the metal spring (24) is installed on the control switch (27), and a switch through hole (4) matching the control switch (27) is provided on the surface of the assembly body (1), and the control switch (27) is placed in the switch through hole (4), and a pin 2 (2) is installed in the assembly body (1), and the pin 2 (2) is placed on the metal spring (24). ), the pin one (3) and the pin two (2) both penetrate the surface of the assembly body (1) and are placed outside the assembly body (1), the metal spring (24) is in an E-shape, the tops of the two outer sides of the metal spring (24) are fixed on the pin one (3), the distance between the tops of the two outer sides of the metal spring (24) is smaller than the distance between the bottoms of the two outer sides of the metal spring (24), the length of the inner side of the metal spring (24) is smaller than the length of the outer side of the metal spring (24) and a contact head (26) matching the pin two (2) is fixed thereon, the assembly body ( 1) a mounting block (9) is fixed inside, the metal spring sheet (24) is mounted on the mounting block (9), the assembly body (1) comprises an assembly base (6) and an assembly cover (5), the assembly base (6) and the assembly cover (5) are detachably connected, a side mounting groove (22) is formed between the mounting block (9) and the assembly base (6), the metal spring sheet (24) is mounted in the side mounting groove (22) and is slidably connected to the side mounting groove (22), and the side mounting groove (22) comprises a pin groove (23) matching with the pin 1 (3) and an inner groove matching with the contact head (26) (25), one end of the pin one (3) is mounted on the pin groove (23), the other end of the pin one (3) is placed outside the assembly body (1), the contact head (26) is placed inside the inner groove (25), a pin two mounting hole (10) matching with the pin two (2) is provided on the side wall of the assembly body (1), the pin two mounting hole (10) is connected to the bottom of the inner groove (25), one end of the pin two (2) is mounted on the bottom of the inner groove (25) through the pin two mounting hole (10), and the other end of the pin two (2) is placed outside the assembly body (1).

2. An overload protector according to claim 1, characterized in that: A vertical plate 1 (12) is fixed to both left and right sides of the assembly base (6); a buckle (11) is provided on the top of the vertical plate 1 (12); a slot (13) matching the buckle (11) is provided on the assembly cover (5); the assembly base (6) is snap-connected with the assembly cover (5) by the cooperation of the buckle (11) and the slot (13); a vertical plate 2 (7) is fixed to the rear side of the assembly base (6); a slide groove 1 (8) is provided on the top of the vertical plate 2 (7); a slider 1 (14) matching the slide groove 1 (8) is provided on the assembly cover (5); the assembly cover (5) is slidably connected with the assembly base (6) by the cooperation of the slider 1 (14) and the slide groove 1 (8); the mounting block (9) is fixed on the vertical plate 2 (7).

3. An overload protector according to claim 1, characterized in that: The front and rear sides of the assembly base (6) are both fixed with vertical convex plates (15), and the vertical convex plates (15) are provided with a second slide groove (16). The two sides of the assembly cover (5) are fixed with vertical concave plates (18) matching the vertical convex plates (15), and the vertical concave plates (18) are fixed with a second slide block (19) matching the second slide groove (16). The assembly base (6) is slidably connected to the assembly cover (5) through the cooperation of the second slide groove (16) on the vertical convex plate (15) and the second slide block (19) on the vertical concave plate (18).

4. An overload protector according to claim 3, characterized in that: The bottom of the vertical protruding plate (15) is provided with threaded holes three (17) on both sides, and vertical cover plates (20) perpendicular to the vertical protruding plate (15) are fixed on the left and right sides of the assembly cover (5). The bottom of the vertical cover plate (20) is provided with threaded holes four (21) matching the threaded holes three (17). The assembly base (6) is threadedly connected to the assembly cover (5) through the cooperation of the threaded holes three (17) on the vertical protruding plate (15) and the threaded holes four (21) on the vertical cover plate (20). The switch through hole (4) is located on the assembly cover (5), and the mounting block (9) is fixed between the two vertical protruding plates (15) on the assembly base (6).

5. An overload protector according to claim 1, characterized in that: The control switch (27) comprises a button seat (28), the lower end surface of the button seat (28) is provided with a button seat slide groove (29), the top of the mounting block (9) is fixed with a mounting block slide rail (30) matching the button seat slide groove (29), the button seat (28) is mounted on the top of the mounting block (9) and slidably connected to the mounting block (9) through the cooperation of the button seat slide groove (29) and the mounting block slide rail (30), a fixing plate (32) is fixed at the bottom of the side of the button seat (28), the fixing plate (32) is provided with a mounting groove (31) matching the metal spring (24), and the other side of the metal spring (24) passes through the side mounting groove (22) and is mounted on the mounting groove (31).

6. An overload protector according to claim 1, characterized in that: The control switch (27) comprises a button seat (33), the button seat (33) being mounted on the top of the mounting block (9) and being rotatably connected to the mounting block (9), a rotating plate (38) being provided at the bottom of the side of the button seat (33), one end of the rotating plate (38) being mounted on the button seat (33) and being rotatably connected to the button seat (33), the other end of the rotating plate (38) being provided with a spring clip slot (37) matching the metal spring clip (24), the other end of the metal spring clip (24) passing through the side mounting slot (22) and being mounted on the spring clip slot (37).

7. An overload protector according to claim 6, characterized in that: A mounting vertical plate 1 (12) is fixed to the lower end surface of the button seat (33); a mounting groove (36) is provided at the bottom of the mounting vertical plate 1 (34); the width of the bottom of the mounting groove (36) is smaller than the width of the opening of the mounting groove (36); a mounting vertical plate 2 (35) perpendicular to the mounting vertical plate 1 (34) is fixed to the top of the mounting block (9); the mounting vertical plate 2 (35) is placed in the mounting groove (36); the button seat (33) is mounted on the mounting block (9) through the cooperation of the mounting groove (36) on the mounting vertical plate 1 (34) and the mounting vertical plate 2 (35), and is rotatably connected to the mounting block (9).

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