Overload protector with base

Abstract

The utility model relates to the technical field of current overload protectors, and discloses an overload protector with a base, which comprises a protective shell, a locking nut penetrates through the surface of the protective shell in a threaded manner, and a metal sheet, a spring, a button and a ball groove are arranged in the protective shell. According to the utility model, the structure is reasonable, when the current is too large, the metal sheet is overheated and deformed, the metal sheet and the butt joint sheet are disconnected to carry out circuit overload protection, the spring carries the button to pop out from the protection shell, and the upper adhesive tape groove and the lower adhesive tape groove arranged on the surface of the button are used for winding butt joint adhesive tape and dust blocking adhesive tape. The movable balls in the ball grooves move up and down in the movable grooves, when dust on the surface of the button is too much, the button possibly shifts slightly, friction force is increased after the surface of the button makes contact with the inner side wall of the protective shell, and the button cannot be popped out by the springs possibly. The dust blocking device achieves the effect of quickly and conveniently blocking dust for the overload protector, popping is smoother, and the button cannot be clamped.

Description

TECHNICAL FIELD

[0001] The utility model relates to current overload protector technical field, concretely is the overload protector with base. BACKGROUND

[0002] Current overload protector is commonly used for installing on electrical equipment, when current becomes big or short circuit occurs, the inside of current overload protector will make contact point and moving contact point separate, make the circuit of whole electrical equipment disconnect, prevent electrical component burnout.

[0003] The overload protector switch disclosed in Chinese utility model patent application publication No. CN222619582U, although through the innovative modular design, the convenience of wiring and disassembly is significantly improved, through the wiring device, the electric wire can be quickly and stably connected, and secondary fixation is provided through the anti-loosening device, so that the stability of connection is ensured, but the existing overload protector has the problem that a large amount of dust will fall on the overload protector when used for a long time, when the current is too large and the overload protector needs to be disconnected, the button may not be popped out by the spring due to the accumulation of a large amount of dust, and the overload protector may not work normally, therefore we propose a new device to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the defects of the prior art, the utility model provides the overload protector with base, solves the problem that a large amount of dust will fall on the overload protector when the existing overload protector is used for a long time, when the current is too large and the overload protector needs to be disconnected, the button may not be popped out by the spring due to the accumulation of a large amount of dust, and the overload protector may not work normally.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: the overload protector with base, including protection shell, the surface of protection shell is screwed through locking nut, the inside of protection shell is equipped with metal sheet, the side of metal sheet is rotatably connected with butt joint sheet, the side of metal sheet is sleeved with connecting sheet, the side of protection shell is sleeved with butt joint shell, the inside of protection shell is slidably connected with button, the lower surface of button is inserted with spring, the surface of button is equipped with upper adhesive tape groove, the inside of upper adhesive tape groove is sleeved with butt joint adhesive tape, the surface of button is equipped with lower adhesive tape groove, the inside of lower adhesive tape groove is sleeved with dustproof adhesive tape, the both sides of button are equipped with ball groove, the inside of ball groove is equipped with moving ball, the surface of button is equipped with inner gasket groove, the inside of inner gasket groove is sleeved with butt joint gasket, the lower surface of protection shell is inserted with placing shell.

[0006] Optionally, the inner side wall of the protection shell is provided with a moving groove, the material of the butt joint adhesive tape is Teflon, and the material of the dustproof adhesive tape is Teflon.

[0007] Optionally, the inner side wall of the protective shell is provided with an outer gasket groove, and the material of the butt gasket is rubber.

[0008] Optionally, a butt rod is inserted into one side of the protective shell, the number of the butt rod is five, some of the butt shell are provided with butt holes, and the number of the butt holes is five.

[0009] Optionally, a butt rod is inserted into one side of the protective shell, the number of the butt rod is five, some of the butt shell are provided with butt holes, and the number of the butt holes is five.

[0010] Optionally, the placing shell is provided with access terminals on one side, the number of the access terminals is two, and the upper surface of the access terminals is provided with fastening holes.

[0011] Optionally, a butt rod is inserted into one side of the protective shell, the number of the butt rod is five, some of the butt shell are provided with butt holes, and the number of the butt holes is five.

[0012] Optionally, the placing shell is provided with access terminals on one side, the number of the access terminals is two, and the upper surface of the access terminals is provided with fastening holes.

[0013] In summary, the technical effects and advantages of the utility model are as follows:

[0014] 1. The utility model discloses a reasonable structure, through the installation personnel and pass through the incoming and outgoing terminal of one side of the placing shell of two ends electric wire, through the installation personnel and use bolt to pass through the fixed hole of electric wire and fix, make electric wire head can contact connecting terminal, through the butt joint of one side of the placing shell and pass through the butt joint hole of fixed shell, make the placing shell and fixed shell fixedly combine, through the butt joint of one side of the protection shell and pass through the butt joint hole of butt joint shell, make protection shell and butt joint shell fixedly combine, through the installation personnel and pass through the fixed hole of placing shell and the fixed hole of fixed shell of bolt, install overload protector to equipment and use, through the metal sheet of one side of protection shell and butt joint piece and connecting piece contact, make butt joint piece and connecting piece connect with two connecting terminals, then carry out power on, when the current is too large, make metal sheet overheat and change, make metal sheet and butt joint piece disconnect to carry out circuit overload protection, spring and button from protection shell pop out, through the upper adhesive tape groove and lower adhesive tape groove of button surface, to entwine butt joint adhesive tape and dustproof adhesive tape, but butt joint adhesive tape and dustproof adhesive tape will not contact the inner side wall of protection shell, only play dustproof effect and will not increase friction, through the moving ball in the ball groove and move up and down in the moving groove of protection shell, when the dust on the surface of button is too much, can make button slightly deviate, make the surface of button contact the inner side wall of protection shell, lead to increase the friction, can not make spring pop out button, through the butt joint gasket in the gasket groove below button, when button is popped out, the outer gasket groove in protection shell of butt joint gasket changes, dustproof to the inside of overload protector, make dust be blocked outside and not fall into the inside of overload protector, when the butt joint gasket installs on the upper portion of button, can make dust accumulate too much, lead to the strength of spring is too small, can not pop out button, when the butt joint gasket installs the middle portion of button, because dust and butt joint gasket increase the friction in protection shell, can make spring can not normally pop out with button, reach the dustproof effect of fast and convenient to overload protector, through moving ball to assist spring and pop out with button, pop out more smoothly, can not make button be jammed, after multiple dustproof, the dust falling into the overload protector is greatly reduced, increase the use period of overload protector, thereby reduce the possibility of overload protector protection function failure, when the maintenance personnel overhaul, make metal sheet contact butt joint piece to connect circuit again after maintenance personnel press button and change. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is structure schematic drawing of the utility model;

[0016] Figure 2 It is metal sheet structure explosion schematic drawing of the utility model;

[0017] Figure 3 It is protection shell structure explosion schematic drawing of the utility model;

[0018] Figure 4 It is the button structure explosion schematic view of the utility model;

[0019] Figure 5 It is the protection shell structure plane schematic view of the utility model;

[0020] Figure 6 It is the placement shell structure explosion schematic view of the utility model.

[0021] In the drawing: 1, protection shell;2, locking nut;3, metal sheet;4, butt joint sheet;5, connecting sheet;6, butt joint shell;7, button;8, spring;9, upper adhesive tape groove;10, butt joint adhesive tape;11, lower adhesive tape groove;12, dustproof adhesive tape;13, ball groove;14, moving ball;15, inner gasket groove;16, butt joint gasket;17, placement shell;18, moving groove;19, outer gasket groove;20, access terminal;21, fixed shell;22, connecting terminal. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Embodiment: refer to Figures 1-6 The base overload protector shown, including protection shell 1, the surface of protection shell 1 is screwed through locking nut 2, the inside of protection shell 1 is equipped with metal sheet 3, one side of metal sheet 3 is rotatably connected with butt joint sheet 4, one side of metal sheet 3 is sleeved with connecting sheet 5, one side of protection shell 1 is sleeved with butt joint shell 6, the inside of protection shell 1 is slidably connected with button 7, the lower surface of button 7 is inserted with spring 8, the surface of button 7 is provided with upper adhesive tape groove 9, the inside of upper adhesive tape groove 9 is sleeved with butt joint adhesive tape 10, the surface of button 7 is provided with lower adhesive tape groove 11, the inside of lower adhesive tape groove 11 is sleeved with dustproof adhesive tape 12, the both sides of button 7 are provided with ball groove 13, the inside of ball groove 13 is equipped with moving ball 14, the surface of button 7 is provided with inner gasket groove 15, the inside of inner gasket groove 15 is sleeved with butt joint gasket 16, the lower surface of protection shell 1 is inserted with placement shell 17.

[0024] As a preferred embodiment in the embodiment, as Figures 2 to 6As shown, the surface of the protective shell 1 is threaded through the locking nut 2, the inside of the protective shell 1 is provided with a metal sheet 3, one side of the metal sheet 3 is rotatably connected with a butt sheet 4, one side of the metal sheet 3 is sleeved with a connecting sheet 5, one side of the protective shell 1 is sleeved with a butt shell 6, one side of the protective shell 1 is inserted with butt rods, the number of butt rods is five, some of the butt shell 6 is provided with butt holes, the number of butt holes is five, the inside of the protective shell 1 is slidably connected with a button 7, the lower surface of the button 7 is inserted with a spring 8, the surface of the button 7 is provided with an upper adhesive tape groove 9, the inside of the upper adhesive tape groove 9 is sleeved with a butt adhesive tape 10, the material of the butt adhesive tape 10 is Teflon, the surface of the button 7 is provided with a lower adhesive tape groove 11, the inside of the lower adhesive tape groove 11 is sleeved with a dustproof adhesive tape 12, the material of the dustproof adhesive tape 12 is Teflon, the both sides of the button 7 are provided with ball grooves 13, the inside of the ball grooves 13 is provided with moving balls 14, the surface of the button 7 is provided with an inner gasket groove 15, the inside of the inner gasket groove 15 is sleeved with a butt gasket 16, the material of the butt gasket 16 is rubber, the lower surface of the protective shell 1 is inserted with a placing shell 17, one side of the placing shell 17 is inserted with butt rods, the number of butt rods is two, one side of the placing shell 17 is provided with fixing holes, one side of the placing shell 17 is provided with access terminals 20, the number of access terminals 20 is two, the upper surface of the access terminals 20 is provided with fastening holes, one side of the placing shell 17 is inserted with a fixing shell 21, one side of the fixing shell 21 is provided with butt holes, the number of butt holes is two, one side of the fixing shell 21 is provided with fixing holes, one side of the fixing shell 21 is provided with connecting terminals 22, the number of connecting terminals 22 is two, the inside wall of the protective shell 1 is provided with a moving groove 18, the inside wall of the protective shell 1 is provided with an outer gasket groove 19, in the using process, the installer passes the wires from the access terminals 20 on one side of the placing shell 17, the installer fixes the wires by penetrating the fastening holes with bolts, so that the wire heads can contact the connecting terminals 22, the placing shell 17 and the fixing shell 21 are fixed together by penetrating the butt holes of the fixing shell 21 with the butt rods on one side of the placing shell 17, the protective shell 1 and the butt shell 6 are fixed together by penetrating the butt holes of the butt shell 6 with the butt rods on one side of the protective shell 1, the installer penetrates the fixing holes of the placing shell 17 and the fixing holes of the fixing shell 21 with bolts, and installs the overload protector on the equipment for use, the metal sheet 3 on one side of the protective shell 1 contacts the butt sheet 4 and the connecting sheet 5, the butt sheet 4 and the connecting sheet 5 are connected with the two connecting terminals 22, and then power on, when the current is too large, the metal sheet 3 is overheated and deformed, the metal sheet 3 is disconnected with the butt sheet 4 to protect the circuit overload, the spring 8 pops out with the button 7 from the protective shell 1, the upper adhesive tape groove 9 and the lower adhesive tape groove 11 on the surface of the button 7 wind the butt adhesive tape 10 and the dustproof adhesive tape 12, but the butt adhesive tape 10 and the dustproof adhesive tape 12 do not contact the inside wall of the protective shell 1, only play a dustproof role and do not increase the friction, the moving balls 14 in the ball grooves 13 move up and down in the moving groove 18 of the protective shell 1,When the button 7 surface dust too much, may make the button 7 slight deviation, make the button 7 surface contact to the inner side wall of the protective shell 1, resulting in increased friction, may spring 8 will not button 7 pop out, through the button 7 lower inner gasket groove 15 inside the butt gasket 16, when the button 7 is ejected, the butt gasket 16 in the protective shell 1 opening outer gasket groove 19 deformation, dust protection inside the overload protector, so that dust is blocked outside will not fall into the overload protector inside, when the butt gasket 16 is installed on the upper part of the button 7, may make dust accumulation too much, resulting in spring 8 force is too small, can't button 7 pop out, when the butt gasket 16 is installed in the middle of the button 7, because of dust and butt gasket 16 in the protective shell 1 friction increases, may make spring 8 can't with the button 7 normal pop out, reached the dust blocking effect of the overload protector quickly and conveniently, through the movement of the ball 14 to assist spring 8 with the button 7 pop out, pop out more smooth, will not make the button 7 is stuck, after multiple dust blocking, the dust falling into the overload protector is greatly reduced, increases the service life of the overload protector, thereby reducing the possibility of overload protector protection function failure, when the maintenance personnel overhaul, maintenance personnel press button 7, make the metal sheet 3 again deformation after contact to the butt piece 4 to make contact circuit.

[0025] The utility model works:

[0026] In use, the installer passes the wires through the access terminals 20 on the side of the placement shell 17, and fixes the wires with bolts through the fixing holes, so that the wire heads can contact the connecting terminals 22, and the placement shell 17 and the fixing shell 21 are fixed together through the access rods on the side of the placement shell 17 penetrating the access holes of the fixing shell 21, and the protection shell 1 and the access shell 6 are fixed together through the access rods on the side of the protection shell 1 penetrating the access holes of the access shell 6, and the installer passes the bolts through the fixing holes of the placement shell 17 and the fixing holes of the fixing shell 21 to install the overload protector on the equipment for use, the access tab 4 and the connecting tab 5 are contacted by the metal sheet 3 on the side of the protection shell 1, so that the access tab 4 and the connecting tab 5 are connected with the two connecting terminals 22, and then power is supplied, when the current is too large, the metal sheet 3 is deformed due to overheating, the metal sheet 3 is disconnected with the access tab 4 to protect the circuit overload, the spring 8 pops out the button 7 from the protection shell 1, the access adhesive tape 10 and the dustproof adhesive tape 12 are wound through the upper adhesive tape groove 9 and the lower adhesive tape groove 11 on the surface of the button 7, but the access adhesive tape 10 and the dustproof adhesive tape 12 do not contact the inner side wall of the protection shell 1, only play a dustproof role and do not increase the friction, when the dust on the surface of the button 7 is too much, the button 7 may be slightly offset, the surface of the button 7 contacts the inner side wall of the protection shell 1, and the friction is increased, the spring 8 may not pop out the button 7, when the button 7 is popped out, the access gasket 16 in the lower gasket groove 15 of the button 7 is deformed in the outer gasket groove 19 of the protection shell 1, and the inside of the overload protector is protected from dust, so that the dust is blocked outside and cannot fall into the inside of the overload protector, when the access gasket 16 is installed on the upper part of the button 7, the dust may accumulate too much, the force of the spring 8 is too small, and the button 7 cannot be popped out, when the access gasket 16 is installed on the middle part of the button 7, the dust and the access gasket 16 increase the friction in the protection shell 1, and the spring 8 cannot normally pop out the button 7, when the maintenance personnel finish the maintenance, the maintenance personnel press the button 7, the metal sheet 3 is deformed again to contact the access tab 4 to connect the circuit.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An overload protector with base, comprising a protective casing (1), characterized in that: The surface of the protection shell (1) is screwed through with a locking nut (2), the inside of the protection shell (1) is provided with a metal sheet (3), one side of the metal sheet (3) is rotatably connected with a butt sheet (4), one side of the metal sheet (3) is sleeved with a connecting sheet (5), one side of the protection shell (1) is sleeved with a butt shell (6), the inside of the protection shell (1) is slidably connected with a button (7), the lower surface of the button (7) is inserted with a spring (8), the surface of the button (7) is provided with an upper adhesive tape groove (9), the inside of the upper adhesive tape groove (9) is sleeved with a butt adhesive tape (10), the surface of the button (7) is provided with a lower adhesive tape groove (11), the inside of the lower adhesive tape groove (11) is sleeved with a dustproof adhesive tape (12), both sides of the button (7) are provided with a ball groove (13), the inside of the ball groove (13) is provided with a moving ball (14), the surface of the button (7) is provided with an inner gasket groove (15), the inside of the inner gasket groove (15) is sleeved with a butt gasket (16), the lower surface of the protection shell (1) is inserted with a placing shell (17).

2. The base-mounted overload protector of claim 1, wherein: The inside wall of the protection shell (1) is provided with a moving groove (18), the material of the butt adhesive tape (10) is Teflon, and the material of the dustproof adhesive tape (12) is Teflon.

3. The base-mounted overload protector of claim 1, wherein: The inside wall of the protection shell (1) is provided with an outer gasket groove (19), and the material of the butt gasket (16) is rubber.

4. The base-mounted overload protector of claim 1, wherein: One side of the protection shell (1) is inserted with a butt rod, the number of the butt rod is five, and some of the butt shell (6) are provided with butt holes.

5. The base-mounted overload protector of claim 1, wherein: One side of the placing shell (17) is inserted with a butt rod, the number of the butt rod is two, and one side of the placing shell (17) is provided with a fixing hole.

6. The base-equipped overload protector according to claim 1, characterized by: One side of the placing shell (17) is provided with an access terminal (20), the number of the access terminal (20) is two, and the upper surface of the access terminal (20) is provided with a fastening hole.

7. The base-mounted overload protector of claim 1, wherein: One side of the placing shell (17) is inserted with a fixing shell (21), one side of the fixing shell (21) is provided with a connecting terminal (22), and the number of the connecting terminal (22) is two.

8. The base-mounted overload protector of claim 7, wherein: One side of the fixing shell (21) is provided with a butt hole, the number of the butt hole is two, and one side of the fixing shell (21) is provided with a fixing hole.

Images