CN212967498U - Power switch blade with prevent function of striking sparks - Google Patents

Abstract

The utility model discloses a power switch with prevent function of striking sparks relates to the electric device field, to the easy problem that takes place arc discharge of current power switch combined floodgate, now proposes following scheme, and it includes the insulating shell, set up the cavity in the insulating shell, just install the baffle in the cavity, just baffle and insulating shell are mutually the vertical form, the baffle is sealing connection with the insulating shell, just the baffle is evenly distributed along the length direction of insulating shell, all install slide, end card, first resistance, second resistance, copper, insulator spindle and copper billet between baffle and the insulating shell and between adjacent two sets of baffles, the insulator spindle is vertical upwards form, just slide, end card, first resistance, second resistance and copper all are the symmetric distribution about the insulator spindle, just the copper billet all is located between two sets of copper slabs. The utility model discloses novel structure, and the device simple structure, convenient to use and safe and reliable, simultaneously effectual combined floodgate arc discharge of having avoided.

Description

Power switch blade with prevent function of striking sparks

Technical Field

The utility model relates to an electrical device field especially relates to a power plug-in strip with prevent function of striking sparks.

Background

The power switch blade is a simple and effective circuit on-off control device, has the advantages of simple structure, convenience in use, low production cost and the like, is often used for power supply control of district power supplies and factory equipment, but the defects of the traditional power switch blade are obvious, for example, the protection structure is relatively simple and does not resist environmental erosion, the traditional power switch blade cannot be used in a humid and dusty environment, meanwhile, the power switch blade is easy to generate an arc discharge phenomenon during switching on, commonly called as electric ignition, the voltage of the arc discharge is extremely high, the energy is huge, the power switch blade body can be injured and a copper rod copper column can be ablated, meanwhile, the safety of operators is also a great threat, and therefore, in order to improve the defects of the power switch blade, the power switch blade with the function of preventing the ignition is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of power switch blade with prevent function of striking sparks has solved current power switch blade combined floodgate and has taken place arc discharge's problem easily.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a power switch with an anti-sparking function comprises an insulating shell, wherein a cavity is formed in the insulating shell, a partition plate is installed in the cavity and is perpendicular to the insulating shell, the partition plate is in sealing connection with the insulating shell and is uniformly distributed along the length direction of the insulating shell, a sliding plate, an end clamp, a first resistor, a second resistor, a copper plate, an insulating rod and copper blocks are installed between the partition plate and the insulating shell and between two adjacent groups of partition plates, the insulating rod is vertically upwards, the sliding plate, the end clamp, the first resistor, the second resistor and the copper plate are symmetrically distributed about the insulating rod, the copper blocks are located between the two groups of copper plates, the top end of the copper block is fixedly connected with the insulating rod, the bottom end of the first resistor is electrically connected with the second resistor, and the bottom end of the second resistor is electrically connected with the copper plate, and the end clamp, the first resistor and the second resistor are fixedly connected with the sliding plate.

Preferably, the handle is installed along its length direction in the top of insulating casing, just the top of insulator spindle all with handle fixed connection, the bottom inner wall of insulating casing is located copper block department and has all seted up the safety groove.

Preferably, two ends of the copper plate, which are far away from each other, penetrate through the insulating shell, threaded holes are formed in the tops of the two ends of the copper plate, which are far away from each other, screws are connected in the threaded holes in a threaded manner, and limiting bulges are formed in the bottoms of the two ends, which are far away from each other, of the copper plate.

Preferably, springs are installed between two sides of the sliding plate, which are far away from each other, and the insulating shell, and the springs are symmetrically distributed in the height direction of the sliding plate.

Preferably, the two sides of the insulating shell are hinged with protective covers, and the two sides of the protective covers, which are away from each other, are located at the screw positions and are both provided with round holes.

Preferably, the mounting panel is installed along its length direction in the bottom of insulating casing, just the mounting panel is the symmetric distribution about the insulating casing, the mounting hole has all been seted up at the both ends top of mounting panel, just the mounting hole runs through in the mounting panel.

The utility model has the advantages that:

1. the copper block of the device passes through the first resistor and the second resistor in turn in the switching-on process, so that the circuit resistor is continuously changed from the highest to the lowest, finally, when the copper block contacts the copper plate, the resistance value is lowest, the circuit is normally communicated at the moment, the whole switching-on action is buffered in a series resistor mode, and arc discharge is avoided.

2. The device has seted up the safety groove in the bottom of copper billet, when the consumer appears danger, will directly clap down the handle hard for thereby the copper billet breaks open circuit in the bottom of insulating casing, plays the effect of scram, and the device passes through the sealed copper both ends of visor and screw, in order to prevent that the mistake touches the electric shock.

In conclusion, the device has the advantages of simple structure, convenience in use, safety and reliability, and effectively avoids closing arc discharge.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a cross-sectional view of a-a in fig. 1 according to the present invention.

Fig. 3 is a cross-sectional view of B-B in fig. 2 according to the present invention.

Reference numbers in the figures: 1. an insulating case; 2. a cavity; 3. a partition plate; 4. a safety groove; 5. a slide plate; 6. end card; 7. a first resistor; 8. a second resistor; 9. a copper plate; 10. an insulating rod; 11. a copper block; 12. a handle; 13. a limiting bulge; 14. a threaded hole; 15. a screw; 16. a protective cover; 17. a circular hole; 18. mounting a plate; 19. mounting holes; 20. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a power switch blade with an anti-sparking function comprises an insulating shell 1, wherein a cavity 2 is formed in the insulating shell 1, a partition plate 3 is installed in the cavity 2, the partition plate 3 and the insulating shell 1 are mutually perpendicular, the partition plate 3 and the insulating shell 1 are in sealing connection, the partition plate 3 is uniformly distributed along the length direction of the insulating shell 1, a sliding plate 5, an end clamp 6, a first resistor 7, a second resistor 8, a copper plate 9, an insulating rod 10 and a copper block 11 are installed between the partition plate 3 and the insulating shell 1 and between two adjacent groups of partition plates 3, the insulating rod 10 is vertically upward, the sliding plate 5, the end clamp 6, the first resistor 7, the second resistor 8 and the copper plate 9 are symmetrically distributed about the insulating rod 10, the copper block 11 is located between the two groups of copper plates 9, the top end of the copper block 11 is fixedly connected with the insulating rod 10, the bottom end of the first resistor 7 is electrically connected with the second resistor 8, the bottom end of the second resistor 8 is electrically connected with the copper plate 9, the end clamp 6, the first resistor 7 and the second resistor 8 are fixedly connected with the sliding plate 5, the top end of the insulating shell 1 is provided with a handle 12 along the length direction, the top end of the insulating rod 10 is fixedly connected with the handle 12, the inner wall of the bottom end of the insulating shell 1 is provided with a safety groove 4 at the position of the copper block 11, the two ends of the copper plate 9, which are far away from each other, penetrate through the insulating shell 1, the tops of the two ends of the copper plate 9, which are far away from each other, are provided with threaded holes 14, the threaded holes 14 are internally and respectively in threaded connection with screws 15, the bottoms of the two ends of the copper plate 9, which are far away from each other, are provided with limiting bulges 13, springs 20 are arranged between the two sides of the sliding plate 5, which are far away from each, the both sides of insulating casing 1 articulate there is visor 16, just the both sides that visor 16 kept away from each other are located screw 15 department and have all seted up round hole 17, mounting panel 18 is installed along its length direction in the bottom of insulating casing 1, just mounting panel 18 is symmetric distribution about insulating casing 1, mounting hole 19 has all been seted up at the both ends top of mounting panel 18, just mounting hole 19 runs through in mounting panel 18.

The working principle is as follows: when the device is in an open circuit state, the handle 12 and the insulating rod 10 are in a state of being pulled out of the insulating shell 1, the copper block 11 is positioned at the upper part of the end clamp 6, when the device is switched on, the insulating rod 10 is pressed into the insulating shell 1 through the handle 12, the insulating rod 10 pushes the copper block 11 to extrude the end clamp 6 so that the spring 20 is compressed, meanwhile, the copper block 11 is firstly contacted with the first resistor 7, two groups of copper plates 9 are sequentially connected in series through the second resistor 8, the first resistor 7, the copper block 11, the first resistor 7 and the second resistor 8, the circuit resistance value is highest, the copper block 11 is prevented from being directly connected with the copper plate 9 to generate ignition through the high resistor in series, when the copper block 11 is continuously pressed down to reach the position between the second resistors 8, the first resistor 7 is gradually disconnected at the moment, the circuit is communicated through the copper plate 9, the second resistor 8, the copper block 11 and the second resistor 8, the copper block 11 is continuously pressed down until the copper block 11 is directly, at the moment, the circuit with the minimum resistance value can normally work, in the process of closing the switch, the circuit resistance is continuously changed from the highest value to the lowest value, the whole switch-on action is buffered, the device pushes a sliding plate 5 (the sliding plate 5 is insulated and can be made of materials such as glass fiber reinforced plastics and the like) through the elasticity of a spring 20, the sliding plate 5 drives an end clamp 6, a first resistor 7, a second resistor 8 and a copper plate 9 to clamp a copper block 11, good contact is ensured, meanwhile, when the device is in a broken circuit state when the copper block 11 is pulled to the top end, the spring 20, the copper plate 9 and the like are subjected to fiber processing through a limiting bulge 13, accidental contact is avoided, an insulating shell 1 of the device is positioned at the bottom end of the copper block 11 and is provided with a safety groove 4, when electric equipment is in danger, the device directly slaps down a handle 12 with force, so that the copper block 11 breaks the bottom end of the insulating shell 1, the, the copper plate 9 is sealed at both ends by a protective cover 16 to prevent accidental contact, and the device is mounted through mounting holes 19 in a mounting plate 18.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a power switch with prevent function of striking sparks, includes insulating casing (1), its characterized in that, set up cavity (2) in insulating casing (1), just install baffle (3) in cavity (2), just baffle (3) are mutually perpendicular form with insulating casing (1), baffle (3) are sealing connection with insulating casing (1), just baffle (3) are evenly distributed along the length direction of insulating casing (1), all install slide (5), end card (6), first resistance (7), second resistance (8), copper (9), insulator spindle (10) and copper block (11) between baffle (3) and insulating casing (1) and between two sets of adjacent baffle (3), insulator spindle (10) are vertical upwards form, just slide (5), end card (6), first resistance (7), second resistance (8) and insulator spindle (9) all are the symmetric distribution about insulator spindle (10), just copper block (11) all are located between two sets of copper (9), the top of copper block (11) all with insulator spindle (10) fixed connection, just the bottom and second resistance (8) electric connection of first resistance (7), the bottom and copper (9) electric connection of second resistance (8), just end card (6), first resistance (7) and second resistance (8) all with slide (5) fixed connection.

2. The power switch blade with the ignition prevention function according to claim 1, wherein a handle (12) is installed at the top end of the insulating shell (1) along the length direction of the insulating shell, the top ends of the insulating rods (10) are fixedly connected with the handle (12), and safety grooves (4) are formed in the inner wall of the bottom end of the insulating shell (1) at the position of the copper block (11).

3. The power switch blade with the spark-proof function as claimed in claim 1, wherein the two ends of the copper plate (9) far away from each other penetrate through the insulating shell (1), the top parts of the two ends of the copper plate (9) far away from each other are provided with threaded holes (14), the threaded holes (14) are internally and threadedly connected with screws (15), and the bottom parts of the two ends of the copper plate (9) far away from each other are provided with limiting protrusions (13).

4. The power switch blade with the spark-over preventing function as claimed in claim 1, wherein springs (20) are installed between two sides of the sliding plate (5) far away from each other and the insulating shell (1), and the springs (20) are symmetrically distributed about the height direction of the sliding plate (5).

5. The power switch blade with the ignition prevention function as claimed in claim 1, wherein two sides of the insulating shell (1) are hinged with protective covers (16), and two sides of each protective cover (16) far away from each other are provided with round holes (17) at the positions of the screws (15).

6. The power switch blade with the ignition prevention function according to claim 1, wherein a mounting plate (18) is mounted at the bottom end of the insulating shell (1) along the length direction of the insulating shell, the mounting plates (18) are symmetrically distributed about the insulating shell (1), mounting holes (19) are formed in the tops of two ends of each mounting plate (18), and the mounting holes (19) penetrate through the mounting plates (18).

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