Overload protector switch

Abstract

The utility model relates to the field of electric appliance protection equipment, and discloses an overload protector switch which comprises an overload protector shell, a circuit break protection mechanism is arranged in an inner cavity of the overload protector shell, and a protector switch is arranged on the front side face of the overload protector shell. Two symmetrical anti-loosening devices are arranged at the corresponding upper and lower ends of the front side surface of the overload protector shell, two wiring mounting grooves are formed in each of the upper and lower sides of the overload protector shell, the wiring devices are arranged in the wiring mounting grooves, and the device adopts a modular design, so that wiring, disassembly and maintenance are facilitated, and the overload protector is convenient to use. Electrical equipment is efficiently and stably protected, downtime is reduced, functions are quickly recovered, and safe and stable operation of the equipment is ensured.

Description

Technical Field

[0001] The utility model relates to the field of electrical protection equipment, in particular to an overload protector switch. Background Art

[0002] An overload protector switch is an electrical protection device that is mainly designed to detect whether the current in a circuit exceeds a preset threshold, that is, whether an overload has occurred. When the current in the circuit exceeds the rated value, the overload protector switch will immediately operate and cut off the circuit to prevent electrical equipment from being damaged or causing fires and other safety accidents due to overheating, short circuits, etc. Overload protector switches are widely used in various electrical equipment and circuits, such as motors, generators, transformers, wires and cables, etc.

[0003] However, after the traditional overload protector switch has experienced short-circuit protection, the short-circuit current will cause the temperature in the wire line to rise rapidly, resulting in a large amount of heat generated at the wiring point, causing the wires to melt or weld to the terminal. In this case, if the damaged wires need to be replaced, the traditional method usually requires the use of tools such as wire strippers and screwdrivers to manually strip the damaged wire parts and reconnect the new wires, which is not only time-consuming and labor-intensive, but also easily causes secondary damage to the surrounding wires and components, increasing the complexity and risk of maintenance. For this reason, we propose an overload protector switch. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an overload protector switch to solve the above-mentioned problems.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an overload protector switch, comprising an overload protector housing, a circuit breaker protection mechanism is arranged in the inner cavity of the overload protector housing, a protector switch is arranged on the front side of the overload protector housing, two symmetrical anti-loosening devices are arranged on the upper and lower ends of the front side of the overload protector housing, two wiring installation grooves are arranged on the upper and lower sides of the overload protector housing, and further comprising:

[0008] The wiring device is arranged in the wiring installation groove and is used to connect with the protected electrical equipment through electric wires.

[0009] Preferably, the wiring device includes a metal connecting seat, a movable base, a wiring ring block and a threaded fixing ring, the metal connecting seat is fixedly connected to the inner wall of the bottom side of the wiring mounting groove, the movable base is movably connected in the inner cavity of the wiring mounting groove, the upper side of the movable base is fixedly connected to the threaded fixing ring, the threaded fixing ring is threadedly connected to the wiring ring block, the wiring ring block is movably connected in the inner cavity of the wiring mounting groove, and the upper end is higher than the upper side of the overload protector housing.

[0010] Preferably, the metal connecting seat and the movable base are both made of metal, the bottom of the metal connecting seat is electrically connected to the circuit breaker protection mechanism in the inner cavity of the overload protector shell through a metal wire, the lower end of the wiring ring block is made of metal, and the upper end is made of non-conductive non-metallic material, and the movable base and the wiring ring block are both provided with cylindrical through grooves.

[0011] Preferably, a T-shaped connecting rod is fixedly connected to the top of the metal connecting seat, a rubber movable block is movably sleeved on the lower end of the side of the T-shaped connecting rod, and the upper end of the T-shaped connecting rod is movably inserted into the through groove of the movable base.

[0012] Preferably, the upper end of the T-shaped connecting rod has the same shape as that of the rubber moving block, both are frustum-shaped, and are symmetrically arranged.

[0013] Preferably, both sides of the movable base are movably connected with symmetrically arranged movable sleeve rods, the opposite ends of the two movable sleeve rods extend into the through groove of the movable base and are fixedly connected with extrusion fixing blocks, and a spring is movably connected with the side surface of the movable sleeve rod corresponding to the inner cavity of the movable base, and the extrusion fixing block has an inclined slope at one end close to the T-shaped connecting rod.

[0014] Preferably, a fastening bolt is threadedly inserted into one side of the wiring ring block, and one end of the fastening bolt extends into the through groove of the wiring ring block.

[0015] Preferably, the anti-loosening device includes a rubber threaded rod, a movable collar and a U-shaped fixing piece, and two symmetrically arranged rubber threaded rods are threadedly inserted at the upper and lower ends of the front side surface of the overload protector housing, and the movable collar is movably sleeved at one end of the rubber threaded rod close to the overload protector housing, and the U-shaped fixing piece is fixedly connected to one end of the movable collar away from the rubber threaded rod, and the end of the U-shaped fixing piece away from the movable collar extends into the wiring installation groove and is in contact with the upper side surface of the rubber movable block and the lower side surface of the movable base.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides an overload protector switch, which has the following beneficial effects:

[0018] 1. An overload protector switch The overload protector device significantly improves the convenience of wiring and disassembly through innovative modular design. The wiring device can quickly and stably connect the wires. At the same time, the anti-loosening device provides secondary fixation to ensure the stability of the connection.

[0019] 2. The modular design of this overload protector switch enables the rapid location and replacement of faulty parts when repairing or replacing damaged parts, reducing downtime and repair costs. Even in extreme situations such as high-temperature welding, only some parts need to be replaced or processed to quickly restore equipment functions, providing important guarantees for the safe and stable operation of electrical equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the upper cross-section of the overload protector housing of the utility model;

[0022] Figure 3 This is a schematic diagram of the split structure of the wiring device of the utility model;

[0023] Figure 4 It is a cross-sectional schematic diagram of the wiring device of the utility model;

[0024] Figure 5 It is a schematic diagram of the disassembled structure of the anti-loosening device of the utility model.

[0025] In the figure: 1. overload protector housing; 2. protector switch; 3. anti-loosening device; 4. wiring device; 5. wiring installation groove; 6. metal connecting seat; 7. movable base; 8. wiring ring block; 9. T-shaped wiring rod; 10. rubber moving block; 11. moving sleeve rod; 12. extrusion fixing block; 13. threaded fixing ring; 14. fastening bolt; 15. rubber threaded rod; 16. moving sleeve ring; 17. U-shaped fixing piece. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5An overload protector switch includes an overload protector housing 1, a circuit breaker protection mechanism is arranged in the inner cavity of the overload protector housing 1, a protector switch 2 is arranged on the front side of the overload protector housing 1, two symmetrical anti-loosening devices 3 are arranged on the upper and lower ends of the front side of the overload protector housing 1, and two wiring installation grooves 5 are arranged on the upper and lower sides of the overload protector housing 1, and also include:

[0028] The wiring device 4 is arranged in the wiring installation groove 5 and is used to connect with the protected electrical equipment through electric wires.

[0029] Furthermore, the wiring device 4 includes a metal connecting seat 6, a movable base 7, a wiring ring block 8 and a threaded fixing ring 13. The metal connecting seat 6 is fixedly connected to the inner wall of the bottom side of the wiring mounting groove 5, and the movable base 7 is movably connected in the inner cavity of the wiring mounting groove 5. The threaded fixing ring 13 is fixedly connected to the upper side surface of the movable base 7. The threaded fixing ring 13 is threadedly connected to the wiring ring block 8. The wiring ring block 8 is movably connected in the inner cavity of the wiring mounting groove 5, and the upper end is higher than the upper side surface of the overload protector housing 1.

[0030] Furthermore, the metal connecting seat 6 and the movable base 7 are both made of metal. The bottom of the metal connecting seat 6 is electrically connected to the circuit breaker protection mechanism in the inner cavity of the overload protector housing 1 through a metal wire. The lower end of the wiring ring block 8 is made of metal, and the upper end is made of non-conductive non-metallic material. The movable base 7 and the wiring ring block 8 are both provided with cylindrical through grooves.

[0031] Furthermore, a T-shaped connecting rod 9 is fixedly connected to the top of the metal connecting seat 6, a rubber movable block 10 is movably sleeved on the lower end of the side of the T-shaped connecting rod 9, and the upper end of the T-shaped connecting rod 9 is movably inserted into the through groove of the movable base 7.

[0032] Furthermore, the upper end of the T-shaped connecting rod 9 has the same shape as the rubber moving block 10, both are frustum-shaped, and are symmetrically arranged.

[0033] Furthermore, both sides of the movable base 7 are movably connected with symmetrically arranged movable sleeve rods 11, the opposite ends of the two movable sleeve rods 11 extend into the through groove of the movable base 7 and are fixedly connected with an extrusion fixing block 12, and a spring is movably connected to the side surface of the movable sleeve rod 11 corresponding to the inner cavity of the movable base 7, and the end of the extrusion fixing block 12 close to the T-shaped connecting rod 9 is an inclined slope.

[0034] Furthermore, a fastening bolt 14 is threadedly inserted into one side of the wiring ring block 8 , and one end of the fastening bolt 14 extends into the through groove of the wiring ring block 8 .

[0035] Furthermore, the anti-loosening device 3 includes a rubber threaded rod 15, a movable ring 16 and a U-shaped fixing piece 17. Two symmetrically arranged rubber threaded rods 15 are threadedly inserted at both upper and lower ends of the front side of the overload protector housing 1. The end of the rubber threaded rod 15 close to the overload protector housing 1 is movably sleeved with the movable ring 16, and the end of the movable ring 16 away from the rubber threaded rod 15 is fixedly connected with the U-shaped fixing piece 17. The end of the U-shaped fixing piece 17 away from the movable ring 16 extends into the wiring installation groove 5, and is attached to the upper side of the rubber moving block 10 and the lower side of the movable base 7.

[0036] Working principle: When using the device, first connect the electrical equipment to be protected to the device through the wire, insert one end of the connected wire into the through slot of the wiring ring block 8, and rotate the fastening bolt 14 to move the fastening bolt 14, and clamp the connected wire through its end located in the through slot of the wiring ring block 8, and then rotate the movable base 7 to fix it on the lower end of the wiring ring block 8 through the threaded fixing ring 13, and then insert the integrated movable base 7 and the wiring ring block 8 connected with the wire into the wiring installation groove 5, and put the through slot on the top of the T-shaped wiring rod 9, and press down. When pressing down, the two extrusion fixing blocks 12 in the bottom movable base 7 are pressed. Under the influence of the pressing force, the movable sleeve rod 11 is pushed to move to both ends, so that the movable sleeve rod 11 extends outward. When the extrusion fixing block 12 moves to the bottom of the top cone of the T-shaped wiring rod 9, the spring releases the pressure, and the extrusion fixing block 12 and the movable sleeve rod 11 are clamped at the bottom to complete the fixation. At this time, the wire connected to the wiring ring block 8 is connected to the top of the T-shaped wiring rod 9, and can be electrically connected to the circuit breaker protection mechanism in the inner cavity of the overload protector housing 1 through the T-shaped wiring rod 9. Subsequently, the connection is further fixed by the anti-loosening device 3. Specifically, by rotating the rubber threaded rod 15, the rubber threaded rod 15 pushes the movable sleeve ring 16, thereby driving the U-shaped fixing piece 17 to the wiring installation The U-shaped fixing piece 17 is moved in the inner cavity of the wiring installation groove 5, so that the U-shaped U-shaped fixing piece 17 is clamped on the side of the T-shaped wiring rod 9 to maintain the stability of the device. When the device needs to replace the wire damaged by high temperature after the short-circuit protection, the circuit is powered off, and the anti-loosening device 3 is first released, and the rubber threaded rod 15 is rotated in the opposite direction to indirectly drive the U-shaped fixing piece 17 to be separated from the inner cavity of the wiring installation groove 5 through the movable sleeve ring 16, and the upper side of the wiring ring block 8 is pressed to move it downward. Due to the integrated connection mode of the movable base 7 and the wiring ring block 8, the movable base 7 will drive the extrusion fixing block 12 to continue to move downward, so that the extrusion fixing block 12 and the movable sleeve rod 1 1 is moved to the lower side of the rubber moving block 10, and then the wiring ring block 8 is pulled upward. Because the round table at the upper end of the T-shaped wiring rod 9 and the rubber moving block 10 have the same shape and are symmetrically arranged, when the wiring ring block 8 is pulled upward, the rubber moving block 10 and the round table at the upper end of the T-shaped wiring rod 9 are driven to fit together, so that the moving sleeve rod 11 and the extrusion fixing block 12 are separated from the round table at the upper end of the T-shaped wiring rod 9. Continue to pull, the wiring ring block 8 and the movable base 7 are separated from the wiring installation groove 5, and the line can be pulled out by releasing the fixing of the fastening bolts 14. If high-temperature welding occurs, only the wiring ring block 8 needs to be replaced or processed to quickly complete the maintenance work.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An overload protector switch, comprising an overload protector housing (1), wherein a circuit breaker protection mechanism is arranged in an inner cavity of the overload protector housing (1), characterized in that: The front side of the overload protector housing (1) is provided with a protector switch (2), the front side of the overload protector housing (1) is provided with two symmetrical anti-loosening devices (3) at the upper and lower ends thereof, the upper and lower sides of the overload protector housing (1) are provided with two wiring installation grooves (5), and further comprising: A wiring device (4) is arranged in the wiring installation groove (5) and is used to connect to the protected electrical equipment through electric wires.

2. An overload protector switch according to claim 1, characterized in that: The wiring device (4) comprises a metal connection seat (6), a movable base (7), a wiring ring block (8) and a threaded fixing ring (13); the metal connection seat (6) is fixedly connected to the inner wall of the bottom side of the wiring installation groove (5); the movable base (7) is movably connected in the inner cavity of the wiring installation groove (5); the threaded fixing ring (13) is fixedly connected to the upper side of the movable base (7); the wiring ring block (8) is threadedly connected to the threaded fixing ring (13); the wiring ring block (8) is movably connected in the inner cavity of the wiring installation groove (5), and the upper end is higher than the upper side of the overload protector housing (1).

3. An overload protector switch according to claim 2, characterized in that: The metal connection seat (6) and the movable base (7) are both made of metal. The bottom of the metal connection seat (6) is electrically connected to a circuit breaker protection mechanism in the inner cavity of the overload protector housing (1) via a metal wire. The lower end of the wiring ring block (8) is made of metal, and the upper end is made of a non-conductive non-metallic material. The movable base (7) and the wiring ring block (8) are both provided with cylindrical through grooves.

4. An overload protector switch according to claim 2, characterized in that: The top of the metal connection seat (6) is fixedly connected to a T-shaped connecting rod (9), the lower end of the side of the T-shaped connecting rod (9) is movably sleeved with a rubber moving block (10), and the upper end of the T-shaped connecting rod (9) is movably inserted into the through groove of the movable base (7).

5. An overload protector switch according to claim 4, characterized in that: The upper end of the T-shaped connecting rod (9) has the same shape as the rubber moving block (10), both are truncated cone-shaped, and are symmetrically arranged.

6. An overload protector switch according to claim 2, characterized in that: Both sides of the movable base (7) are movably connected with symmetrically arranged movable sleeve rods (11), and the opposite ends of the two movable sleeve rods (11) extend into the through groove of the movable base (7) and are fixedly connected with a squeeze fixing block (12). A spring is movably connected in the inner cavity of the movable base (7) on the side surface of the movable sleeve rod (11), and one end of the squeeze fixing block (12) close to the T-shaped connecting rod (9) is an inclined surface.

7. An overload protector switch according to claim 2, characterized in that: A fastening bolt (14) is threadedly inserted into one side of the wiring ring block (8), and one end of the fastening bolt (14) extends into a through groove of the wiring ring block (8).

8. The overload protector switch according to claim 1, characterized in that: The anti-loosening device (3) comprises a rubber threaded rod (15), a movable sleeve (16) and a U-shaped fixing piece (17); two symmetrically arranged rubber threaded rods (15) are threadedly inserted at both upper and lower ends of the front side surface of the overload protector housing (1); one end of the rubber threaded rod (15) close to the overload protector housing (1) is movably sleeved with the movable sleeve (16); one end of the movable sleeve (16) away from the rubber threaded rod (15) is fixedly connected with the U-shaped fixing piece (17); one end of the U-shaped fixing piece (17) away from the movable sleeve (16) extends into the wiring installation groove (5) and is in contact with the upper side of the rubber moving block (10) and the lower side of the movable base (7).

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