An electric screwdriver

Abstract

The invention relates to an electric screwdriver, comprising an operating head and an operating rod, wherein the operating head is provided with a cutter head, the operating head is provided with a magnetic ring, the magnetic ring is detachably connected to the operating head, the operating head is provided with a lighting component, the operating rod is connected with an adjustment component connected to the operating head, and the operating head adjusts the operating angle and / or the operating torque of the operating rod by means of the adjustment component; the advantages of the invention are as follows: the setting of the lighting component can realize the lighting function during operation, ensure the safety performance of construction, is beneficial to nighttime or insufficiently lit occasions, simplifies the workload during construction, improves the efficiency of construction, and can ensure that the quality after construction is checked in the first time to prevent harm caused by improper screw operation; through the setting of the magnetic ring, the cutter head has the magnetic force to absorb the screw, the operator can quickly position on the screw during operation, and can also avoid the screw from falling off during construction, further improving the efficiency of construction.

Description

Technical Field

[0001] The invention relates to an electric power screwdriver. Background Art

[0002] At present, screwdrivers are commonly used tools for tightening and removing screws, but the structure of the commonly used screwdrivers is relatively simple. During use, the screwdriver structure does not have magnetic force, and the screws are easy to fall off during construction. When the construction environment is a harsh environment or high-altitude operation, the assembly cannot be completed immediately after the screws fall off, which prolongs the construction progress. When the construction environment is at night or in a transformer cabinet with relatively low brightness, the operator needs to hold a flashlight in one hand and tighten and remove the screws with the other hand. In this way, the work intensity is high and the construction work efficiency is low. After the construction, the operator cannot inspect the quality of the construction in the first time, the safety performance is low, and the simple screwdriver cannot meet the needs of transformer cabinets with complex structures and operations in relatively narrow areas. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide an electric screwdriver to solve the problem of low efficiency of existing screwdrivers in electric power construction.

[0004] In order to solve the above technical problems, the present invention is implemented through the following technical solutions: an electric screwdriver, including an operating head and an operating rod, the operating head is provided with a cutter head, the cutter head relies on the operating head to achieve being not in a straight line with the operating rod, the operating head is provided with a magnetic ring, the magnetic ring is detachably connected to the operating head, the operating head relies on the magnetic force generated by the magnetic ring to make the cutter head attract the screw, the operating head is provided with a lighting assembly, the operating rod is connected to an adjustment assembly connected to the operating head, the operating head relies on the adjustment assembly to adjust the operating angle and / or operating torque of the operating rod; the lighting assembly includes a mounting plate and a cover plate rotatably connected to the mounting plate, the other end of the cover plate is arranged on the mounting plate, the mounting plate is arranged on the operating head, an LED light strip is arranged on the mounting plate, a lithium battery connected to the LED light strip is arranged on the operating head, and an induction switch for controlling the power on and off of the lithium battery is arranged on the cover plate.

[0005] Preferably, a positioning groove adapted to the LED light strip is provided on the cover plate, and a protective pad is provided in the positioning groove, thereby achieving real-time protection of the LED light strip and reducing the pressure of the cover plate on the LED light strip.

[0006] Preferably, a fixing groove is provided on the mounting plate, a clamping block cooperating with the fixing groove is provided on the cover plate, a hand plate is provided on the cover plate for facilitating opening of the cover plate, and a sealing gasket is provided on the mounting plate. The sealing gasket is tightly connected with the clamping block and the fixing groove to achieve sealing at the connection between the mounting plate and the cover plate, and can achieve sealing between the mounting plate and the cover plate to prevent rain or dust from entering the mounting plate. The provision of the hand plate is conducive to the operator opening and closing the cover plate, improves the coordination between the clamping block and the fixing groove, ensures reliable connection, and facilitates installation and disassembly.

[0007] Preferably, a slot for fixing the magnetic ring is provided on the operating head, which facilitates installation and disassembly and can reduce damage to the magnetic ring.

[0008] Preferably, an induction probe is provided on the operating head, and an alarm is provided on the induction probe. The operating head relies on the induction probe to perform electrical measurement operations on the substation, and can perform electrical measurement operations on the substation in the construction environment in advance to ensure the safety performance of the construction. The alarm can also be used to realize electrical alarm, which can warn the operator.

[0009] Preferably, the adjustment component includes a universal adjustment tube and a telescopic rod, one end of the universal adjustment tube is connected to the operating head, the other end of the universal adjustment tube is connected to one end of the telescopic rod, and the other end of the telescopic rod is connected to the operating rod. The operating angle of the operating rod can be adjusted by the universal adjustment tube, and the operating torque of the operating rod can be adjusted by the telescopic rod. It can be adjusted according to different construction environments, with convenient adjustment and reliable connection.

[0010] Preferably, the telescopic rod includes a fixed tube, a first movable rod and a second movable rod, one end of the first movable rod is movably connected to one end of the fixed tube, the second movable rod is movably connected to the other end of the fixed tube, the other end of the first movable rod is detachably connected to the other end of the universal adjustment tube, and the second movable rod is connected to the operating rod, which can realize multiple telescopic adjustments and has good practical performance.

[0011] Preferably, the operating rod includes an adapter and an operating handle, the operating handle is rotatably connected to the adapter via a pin, the adapter is detachably connected to the second movable rod, the angle between the operating rod and the second movable rod can be adjusted by rotating the operating handle, and can adapt to different operating angles, and the adapter is detachably connected to the second movable rod and can be assembled according to needs.

[0012] In summary, the advantages of the present invention are: 1. The setting of the lighting assembly can realize the lighting function during operation, ensure the safety performance of the construction, is beneficial for nighttime or insufficient light occasions, simplifies the workload during construction, improves the efficiency of construction, and can ensure that the quality after construction is checked in the first time to prevent the harm caused by improper screw operation;

[0013] 2. Through the setting of the magnetic ring, the cutter head has the magnetic force to absorb the screws. During operation, the operator can quickly locate the screws, and can also avoid the screws from falling off during construction, further improving the efficiency of construction;

[0014] 3. The magnetic ring is detachably connected to the operating head, so that the operating head can meet different working environments, ensuring the safety performance of the construction and realizing the reuse of the magnetic ring;

[0015] 4. The operating head sets the cutter head and the operating rod not in a straight line, so that the cutter head can be inserted into a narrow space for operation, further improving the practical performance;

[0016] 5. The setting of the adjustment component can effectively adjust the operating angle and / or operating torque of the operating lever according to different construction environments, so as to achieve the best construction angle and construction torque to meet different construction environments;

[0017] 6. The lithium battery is powered on and off by the induction switch. When the cover and the mounting plate are in the open state, the LED light strip is immediately turned on. When the cover and the mounting plate are in the closed state, the LED light strip is immediately turned off. The LED light strip is sealed on the mounting plate through the cover, which can avoid damage to the LED light strip during construction and increase its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below in conjunction with the accompanying drawings:

[0019] Figure 1 This is a schematic structural diagram of an electric screwdriver according to the present invention;

[0020] Figure 2 is a schematic diagram of the structure of the lighting assembly of the present invention;

[0021] Figure 3 It is a structural schematic diagram of the operating head of the present invention;

[0022] Figure 4 It is a structural schematic diagram of the sensing probe of the present invention;

[0023] Figure 5 It is a structural schematic diagram of the telescopic rod of the present invention. DETAILED DESCRIPTION

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5As shown, an electric screwdriver comprises an operating head 1 and an operating rod 2, wherein the operating head 1 is provided with a cutter head 11, and the cutter head 11 is not in a straight line with the operating rod 2 by relying on the operating head 1, the operating head 1 is provided with a magnetic ring 3, and the magnetic ring 3 is detachably connected to the operating head 1, and the operating head 1 relies on the magnetic force generated by the magnetic ring 3 to make the cutter head 11 attract the screw, the operating head 1 is provided with a lighting assembly 4, and the operating rod 2 is connected with an adjustment assembly 5 connected to the operating head 1, and the operating head 1 relies on the adjustment assembly 5 to adjust the operating angle and / or operating torque of the operating rod 2; the lighting assembly 4 comprises a mounting plate 41 and a cover plate 42 rotatably connected to the mounting plate 41, the other end of the cover plate 42 is arranged on the mounting plate 41, and the mounting plate 41 is arranged on the operating head 1 through a connecting sleeve 411, and an LED light strip 43 is arranged on the mounting plate 41, and the operating head 1 is provided with a The lithium battery 6 is connected to the LED light strip 43, and the cover plate 42 is provided with an induction switch 44 for controlling the power on and off of the lithium battery 6. During operation, the magnetic ring 3 is used to generate magnetic force in the cutter head 11, so that the cutter head 11 can quickly attract the screws to prevent the screws from falling off during construction. When the construction environment is at night or in an area with insufficient light, the cover plate and the mounting plate can be opened, and the induction switch can immediately turn on the LED light strip, and the construction lighting is achieved through the LED light strip to improve the safety performance of the construction. When the construction environment is well-lit, the LED light strip is sealed on the mounting plate through the cover plate, which can avoid damage to the LED light strip during construction and increase its service life. When the construction environment does not require the cutter head 11 to be attracted, the magnetic ring 3 can be removed from the operating head 1. During construction, the operating angle and / or operating torque of the operating lever can be adjusted according to the construction environment.

[0025] The cover plate 42 is provided with a positioning groove 45 matched with the LED light strip 43, and a protective pad 46 is arranged in the positioning groove 45, so as to realize real-time protection of the LED light strip and reduce the pressure of the cover plate on the LED light strip. A fixing groove 47 is provided on the mounting plate 41, and a clamping block 48 matched with the fixing groove is provided on the cover plate 42. A hand plate 49 is provided on the cover plate 42 for facilitating the opening of the cover plate 42, and a sealing gasket 40 is provided on the mounting plate 41. The sealing gasket 40 is tightly connected with the fixing groove 47 by the clamping block 48 to realize the sealing of the connection between the mounting plate 41 and the cover plate 42, which can realize the sealing of the mounting plate and the cover plate and prevent rain or dust from entering the mounting plate. The provision of the hand plate is conducive to the operator to open and close the cover plate, improves the coordination between the clamping block and the fixing groove, and has a reliable connection and convenient installation and disassembly.

[0026] The operating head 1 includes a sleeve 14 and a bevel gear set 15 arranged in the sleeve, the bevel gear set includes two bevel gears meshing with each other at 90 degrees, one end of the bevel gear set 15 is provided with a connecting rod 16 connected to the adjustment component, and the other end of the bevel gear set 15 is fixedly connected to the cutter head 11 by setting a thread; the slot of the fixed magnetic ring 3 on the sleeve is used to fix the two meshing bevel gears through the sleeve, and the cutter head and the operating rod are not in a straight line, which is conducive to the cutter head extending into a narrow space for operation.

[0027] An induction probe 7 is provided on the operating head 1, and an alarm 71 is provided on the induction probe 7. The operating head 1 relies on the induction probe 7 to measure electricity on the transformer cabinet. The induction probe 7 has a sensing distance of 5 to 10 m. A near-electricity alarm circuit 70 is provided in the induction probe. The lithium battery 6 is connected to the near-electricity alarm circuit 70. The near-electricity alarm circuit 70 is provided with an induction electric contact 72 and a chip 73. The alarm is a buzzer, and the buzzer is connected to the chip. The induction electric contact analyzes and processes the received induction signal through the near-electricity alarm circuit, takes out the 50HZ industrial frequency signal, eliminates interference signals through digital filtering, and analyzes its signal strength. When the preset value is reached, an alarm signal is sent to the chip. After receiving the signal, the chip implements the alarm to alarm, prompting the user that the equipment is close to strong electricity, and please pay attention to safety. For example, when repairing overhead power lines and electrical equipment, if an alarm sound can be issued within the alarm distance range, it indicates that the power line or electrical equipment is energized, otherwise it is not energized.

[0028] The adjustment component 5 includes a universal adjustment tube 51 and a telescopic rod 52. One end of the universal adjustment tube 51 is connected to the operating head 1, and the other end of the universal adjustment tube 51 is connected to one end of the telescopic rod 52. The other end of the telescopic rod 52 is connected to the operating rod 2. The operating angle of the operating rod is adjusted by the universal adjustment tube, and the operating torque of the operating rod is adjusted by the telescopic rod. It can be adjusted according to different construction environments, and the adjustment is convenient and the connection is reliable. The telescopic rod 52 includes a fixed tube 53, a first movable rod 54 and a second movable rod 55. One end of the first movable rod 54 is movably connected to one end of the fixed tube 53, and the second movable rod 55 is movably connected to the other end of the fixed tube 53. The other end of the first movable rod 54 is detachably connected to the other end of the universal adjustment tube 51, and the second movable rod 55 is connected to the operating rod 2. Multiple telescopic adjustments can be achieved, and the practical performance is good.

[0029] The operating rod 2 includes an adapter 21 and an operating handle 22. The operating handle 22 is rotatably connected to the adapter 21 via a pin shaft. The adapter 21 is detachably connected to the second movable rod 55. The angle between the operating rod and the second movable rod can be adjusted by rotating the operating handle to adapt to different operating angles. The adapter is detachably connected to the second movable rod and can be assembled according to needs.

[0030] When in use, the induction probe 7 is used to detect whether there is electricity in the environment where construction is required. When the alarm 71 does not sound an alarm, it means that the construction environment is a non-powered operation. According to different construction environments, the operating angle and / or operating torque of the operating rod 2 is adjusted by adjusting the component 5. When the construction is carried out at night or in an area with insufficient light, the cover 42 is opened by the hand plate 49, and the induction switch 44 realizes the power supply of the lithium battery 6, and the power supply of the LED light strip 43 is realized. The LED light strip 43 is used to illuminate the construction environment, thereby improving the efficiency and workload of the operation. According to the environmental requirements of the construction, a magnetic ring 3 is installed on the operating head 1, and the magnetic ring 3 is used to make the cutter head 11 generate magnetic force, so that it can quickly attract the screws to avoid the screws from falling off during construction. The angle between the operating head 1 and the operating rod 2 is adjustable through the adjusting component 5, which can adapt to operations in narrow areas.

[0031] In addition to the above preferred embodiments, the present invention has other implementation modes. Those skilled in the art may make various changes and modifications based on the present invention. As long as they do not depart from the spirit of the present invention, they should all fall within the scope defined by the claims attached to the present invention.

Claims

1. An electric screwdriver, comprising an operating head (1) and an operating rod (2), wherein the operating head (1) is provided with a cutter head (11), and the cutter head (11) is not in a straight line with the operating rod (2) by means of the operating head (1), characterized in that The operating head (1) is provided with a magnetic ring (3), the magnetic ring (3) is detachably connected to the operating head (1), the operating head (1) relies on the magnetic force generated by the magnetic ring (3) to make the cutter head (11) attract the screw, the operating head (1) is provided with a lighting assembly (4), the operating rod (2) is connected with an adjustment assembly (5) connected to the operating head (1), the operating head (1) relies on the adjustment assembly (5) to adjust the operating angle and / or operating torque of the operating rod (2); the lighting assembly (4) includes a mounting plate (41) and a rotating member connected to the mounting plate (41) The cover plate (42) is provided with a cover plate (42), the other end of the cover plate (42) is arranged on the mounting plate (41), the mounting plate (41) is arranged on the operating head (1), an LED light strip (43) is arranged on the mounting plate (41), a lithium battery (6) connected to the LED light strip (43) is arranged on the operating head (1), and an induction switch (44) for controlling the power on and off of the lithium battery (6) is arranged on the cover plate (42), the power on and off of the lithium battery (6) is controlled by the induction switch, and the LED light is immediately turned on when the cover plate (42) and the mounting plate (41) are in an open state. The LED light strip is lit, and when the cover plate (42) and the mounting plate (41) are in a closed state, the LED light strip is immediately turned off; the operating head (1) comprises a sleeve (14) and a bevel gear set (15) arranged in the sleeve, the bevel gear set comprises two bevel gears meshing with each other at 90 degrees, one end of the bevel gear set (15) is provided with a connecting rod (16) connected to the adjustment component, and the other end of the bevel gear set (15) is fixedly connected to the cutter head (11) by setting a thread; the cover plate (42) is provided with a positioning groove (44) adapted to the LED light strip (43) 5), a protective pad (46) is provided in the positioning groove (45); a fixing groove (47) is provided on the mounting plate (41), a clamping block (48) matched with the fixing groove is provided on the cover plate (42), a hand plate (49) is provided on the cover plate (42) for facilitating opening of the cover plate (42), a sealing pad (40) is provided on the mounting plate (41), and the sealing pad (40) is tightly connected with the fixing groove (47) by the clamping block (48) to achieve sealing at the connection between the mounting plate (41) and the cover plate (42); a clamping groove for fixing the magnetic ring (3) is provided on the operating head (1);The operating head (1) is provided with an induction probe (7), and the induction probe (7) is provided with an alarm (71). The operating head (1) relies on the induction probe (7) to perform an electricity measurement operation on the transformer cabinet. The induction probe (7) has an induction distance of 5 to 10 m. The induction probe is provided with a near-electricity alarm circuit (70). The lithium battery (6) is connected to the near-electricity alarm circuit (70). The near-electricity alarm circuit (70) is provided with an induction electric contact (72) and a chip (73). The alarm (71) is a buzzer, and the buzzer is connected to the chip. The induction electric contact analyzes and processes the received induction signal through the near-electricity alarm circuit, extracts a 50 Hz power frequency signal, eliminates interference signals through digital filtering, and analyzes the signal strength. When a preset value is reached, an alarm signal is sent to the chip. After receiving the signal, the chip implements an alarm to warn the user that the device is close to strong electricity and the user should pay attention to safety. The adjustment component (5) includes a universal adjustment tube. (51) and a telescopic rod (52), one end of the universal adjustment tube (51) is connected to the operating head (1), the other end of the universal adjustment tube (51) is connected to one end of the telescopic rod (52), and the other end of the telescopic rod (52) is connected to the operating rod (2); the telescopic rod (52) comprises a fixed tube (53), a first movable rod (54) and a second movable rod (55), one end of the first movable rod (54) is movably connected to one end of the fixed tube (53), the second movable rod (55) is movably connected to the other end of the fixed tube (53), the other end of the first movable rod (54) is detachably connected to the other end of the universal adjustment tube (51), and the second movable rod (55) is connected to the operating rod (2); the operating rod (2) comprises an adapter (21) and an operating handle (22), the operating handle (22) is rotatably connected to the adapter (21) through a pin shaft, and the adapter (21) and the second movable rod (55) are detachably connected. ;

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