CN114789384A - electrical tools - Google Patents

Abstract

The invention discloses an electric tool. The electric tool includes: an execution system, including an execution casing and an output unit mounted on the execution casing, the output unit outputs power to the outside; the power system includes a motor for driving the movement of the output unit; A transmission system for connecting the power system and the execution system and for driving between the two; and a power supply for supplying power to the power system; the grinding device also includes a lighting system for providing supplementary light sources, and the lighting system is installed in the execution housing on and electrically connected to a power source, the lighting system includes a plurality of lighting positions. The power tool can meet different usage scenarios.

Description

electrical tools

technical field

The invention relates to the field of electric tools, in particular to an electric tool.

Background technique

At present, the power tools on the market usually use indoor lamps or outdoor natural light to provide lighting sources for user operations during operation. When the light source is insufficient, external lighting equipment is usually used for supplementary lighting, which brings a lot of inconvenience to users and is not conducive to improvement. User experience.

For rod-type power tools, such as long rod-type grinding devices, they are often used for high-altitude operations. It is especially difficult for such tools to require supplementary lighting when operating at high places, and how to arrange the supplementary light source also has a great impact on the user's operating comfort. big impact.

Of course, in the prior art, there is also a ring light surrounding the working head of the executing component, but the lighting of the ring light is insufficient, and the brightness is not enough for the user to check the working surface.

SUMMARY OF THE INVENTION

In order to solve the deficiencies of the prior art, the purpose of the present invention is to provide a power tool with reasonable arrangement of the supplementary light source and better lighting effect.

In order to achieve above-mentioned goal, the present invention adopts following technical scheme:

An electric tool, comprising: an execution system, including an execution casing and an output unit mounted on the execution casing, the output unit outputs power to the outside; a power system, including a motor for driving the output unit to move; a transmission system for connecting and transmitting the power system and the execution system; and a power source for supplying power to the power system; the sanding device further includes a lighting system for providing a supplementary light source , the lighting system is mounted on the execution housing and is electrically connected with the power supply, and the lighting system includes a plurality of lighting positions.

Further, the lighting system includes: a housing; a lighting unit, arranged in the housing, for emitting illumination light; a mounting part, arranged on the housing, for installing the lighting system to the execution housing body.

Further, the mounting portion is detachably connected to the execution housing.

Further, the mounting portion is magnetically connected with the execution housing.

Further, the mounting portion is clamped with the execution housing.

Further, the mounting portion is rotatably connected with the execution housing through a rotating shaft.

Further, the lighting system further includes an angle adjustment assembly, the angle adjustment assembly is provided between the installation part and the execution housing for adjusting the installation angle of the lighting system.

Further, the angle adjustment assembly includes a first matching tooth, a second matching tooth and a biasing force piece; the first matching tooth is arranged on the mounting part, and the second matching tooth is arranged on the execution housing On the upper side, the biasing force member applies a biasing force to the mounting portion for lockingly engaging the first engaging teeth with the second engaging teeth.

Further, the first matching teeth are end-face teeth located on the execution housing, and the second matching teeth are end-face teeth located at the shaft end of the mounting portion.

Further, the angle adjustment assembly includes a locking piece, a locking hole and a biasing force piece; the locking piece is arranged on the execution housing, the locking hole is arranged on the mounting part, the The biasing force member applies a biasing force to the locking member to lock the locking member with the locking hole.

Further, the locking member is disposed protruding from the upper surface of the execution housing; the locking hole is annularly disposed on the shaft end surface of the mounting portion around the axis of the rotating shaft.

Further, the locking member is connected to the execution housing, and the locking hole is arranged on the outer peripheral surface of the rotating shaft.

Further, the power tool further includes a plug port; the lighting system further includes a wire and a plug terminal, the wire is connected to the lighting unit, and the plug terminal is provided at one end of the wire, used for is electrically connected to the socket.

Further, the lighting system further includes a heat dissipation assembly, and the heat dissipation assembly is disposed around the housing.

Further, the outer shell is a metal shell; the heat dissipation component includes a plurality of protruding ribs arranged on the outer shell.

Further, the lighting system further includes a lampshade, and the lampshade is disposed on the housing to cover the lighting unit.

Further, the lighting unit includes an LED lighting assembly, and the lumen value of the LED lighting assembly is greater than or equal to 500LM.

Further, the power system includes a motor barrel for installing the motor, and the motor barrel is provided with a tuyere for cooling airflow to pass through; the lighting system is arranged on the flow path of the cooling airflow

Further, the lighting system is disposed downstream of the air outlet of the motor barrel.

Further, the grinding device further includes: an operating rod, connected to the host, for the user to hold and operate; the execution housing is mounted on one end of the operating rod; the execution system includes a grinding piece for grinding , the grinding piece is mounted on the execution housing, and the motor drives the grinding piece to move.

A lighting system, mounted on a power tool for providing a supplementary light source, comprises: a housing; a lighting unit, arranged in the housing for emitting illumination light; and a mounting part, connected with the housing, for connecting all the The lighting system is mounted on the power tool. Further, the mounting portion is detachably connected to the power tool.

Further, the mounting portion is magnetically connected with the housing of the power tool.

Further, the mounting portion is clamped with the housing of the power tool.

Further, the mounting portion includes a rotating shaft rotatably connected with the housing of the power tool.

Further, the lighting system further includes an angle adjustment assembly, the angle adjustment assembly is provided between the installation portion and the execution housing for adjusting the installation angle of the rotating shaft.

Further, the angle adjustment assembly includes a first matching tooth, a second matching tooth and a biasing force piece; the first matching tooth is arranged on the mounting part, and the second matching tooth is arranged on the execution housing On the upper side, the biasing force member exerts a biasing force on the mounting seat to lock the first engaging teeth with the second engaging teeth.

Further, the first matching teeth are end-face wheels arranged on the housing of the electric tool, and the second matching teeth are end-face teeth located at the shaft end of the mounting seat.

Further, the angle adjustment assembly includes a locking piece, a locking hole and a biasing force piece; the locking piece is arranged on the mounting part, the locking hole is arranged on the execution housing, the The biasing force member applies a biasing force to the locking member to lock the locking member with the locking hole.

Further, the locking member is arranged protruding from the upper surface of the power tool housing; the locking hole is annularly arranged on the shaft end surface of the execution housing around the axis of the rotating shaft.

Further, the locking piece is connected to the power tool housing, and the locking hole is arranged on the outer peripheral surface of the rotating shaft.

Further, the lighting system further includes a heat dissipation assembly, and the heat dissipation assembly is disposed around the housing.

Further, the outer shell is a metal shell; the heat dissipation component includes a plurality of protruding ribs arranged on the outer shell.

Further, the lighting system further includes a wire and a plug terminal, the wire is connected to the lighting unit, and the plug terminal is provided at one end of the wire for connecting with a plug port on the power tool electrical connection.

Further, the lighting system further includes a lampshade, and the lampshade is disposed on the housing to cover the lighting unit.

Further, the lighting unit includes an LED lighting assembly, and the lumen value of the LED is greater than or equal to 500LM.

Further, the power system includes a motor barrel for installing the motor, and the motor barrel is provided with a tuyere for the cooling airflow to pass through; the lighting system is arranged on the flow path of the cooling airflow.

Further, the lighting system is disposed downstream of the air outlet of the motor barrel.

The advantages of the present invention are: the electric tool of the present invention is provided with a lighting system that can change positions, so that the lighting system can adjust the lighting angle and lighting position according to the user's needs, thereby satisfying different use scenarios and improving the use of users. experience.

Description of drawings

1 is a schematic diagram of a power tool according to an embodiment of the present invention;

Fig. 2 is the assembly schematic diagram of the lighting system and the electric tool of one embodiment in Fig. 1;

FIG. 3 is a schematic structural diagram of the execution housing in FIG. 2;

4 is a schematic structural diagram of the lighting system in FIG. 2;

5 is a schematic structural diagram of a lighting system and a power tool according to an embodiment of the present invention;

6 is a cross-sectional view of the power tool A-A in FIG. 5;

7 is a schematic structural diagram of the lighting system in FIG. 5;

8 is a schematic structural diagram of a lighting system and a power tool according to an embodiment of the present invention;

9 is a cross-sectional view of the power tool B-B in FIG. 8;

Fig. 10 is the locking schematic diagram of the lighting system in Fig. 8;

11 is a schematic structural diagram of a lighting system according to an embodiment of the present invention;

FIG. 12 is a schematic diagram of the wire structure of the lighting system in FIG. 11;

13 is a perspective view of a lighting system of another embodiment;

Figure 14 is a perspective view of the lighting system of Figure 13 from another angle;

FIG. 15 is an exploded view of the lighting system of FIG. 13 .

Detailed ways

The power tool of the present invention is a rod-type operating tool, such as a long rod-type grinding device 100 . Of course, it is not limited to a long-bar type grinding tool, and can also be other conventional electric tools, such as electric drills, wrenches, saws, and garden electric tools.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments by taking the long rod type grinding device 100 as an example.

As shown in FIG. 1 , it is a sanding device in an embodiment of the present invention, wherein the long-bar-type sanding device 100 includes a host 110 , an operating rod 120 and a power source 130 ; wherein the host 110 is connected to the operating rod 120 , and the power source 130 is connected to host 110.

The host 110 includes a control system, and the control system is used to control the power system 150. The control system generally includes other electronic components such as circuit boards and switches.

The operating rod 120 may be a connecting rod with a fixed length or a telescopic rod with an adjustable length, and the material of the operating rod 120 is metal, preferably aluminum alloy. Of course, it can also be made of carbon fiber material or plastic.

Referring to FIG. 2 , the long rod type sanding device 100 further includes an execution system 140 , a power system 150 and a transmission system 160 .

The execution system 140 includes an execution housing 141 and an output unit installed on the execution housing 141 , and the output unit outputs power to perform operations. As shown in FIG. 1 , the execution system 140 in this embodiment is installed on one end of the operating rod 120 . , the output unit includes a grinding piece for grinding. The grinding piece is usually sandpaper. The grinding piece is generally installed on the installation surface of the end of the execution system 140. In this embodiment, the grinding device is specifically round sand. Of course, in other embodiments, the grinding device may also be triangular sand, flat sand, or a polishing machine.

The power system 150 includes a motor for driving the movement of the sanding element. In this embodiment, the motor is a motor, specifically a brushless motor. In other embodiments, the motor may be a brushed motor, in which case the control system is not necessary.

The transmission system 160 is used to connect the power system 150 and the execution system 140 and perform transmission between the two, and the transmission system 160 is specifically gear transmission and/or friction transmission.

The power supply 130 is used to supply power to the host 110, wherein the power supply 130 may be an AC power supply, for example, including a plug and a power cord connected to the commercial power. Of course, the power source 130 can also be a DC power source, for example, the power source 130 includes one or more battery packs. Multiple battery packs constitute series or parallel or series-parallel switching. The power supply 130 has two discharge modes of discharging multiple battery packs simultaneously or discharging in sequence, and the two modes can be switched manually or automatically.

Of course, as an optional implementation manner, the power supply 130 includes both a DC power supply and an AC power supply, that is to say, the user may need a suitable power supply 130 according to requirements and working conditions.

The host 110 of this embodiment includes a host casing 111 and a control system, and the host casing 111 is surrounded by a accommodating space for accommodating the power system 150 and the control system. The host shell 111 can be connected to any position of the operating lever 120, and a power cord electrically connected to the control system extends from the host shell 111, or the host shell 111 can be provided with a connecting seat for plugging with the battery pack. The casing 111 may include a plurality of split casings.

As shown in FIG. 1 , the pole-type sander 100 further includes a handle 112 connected to the operating rod 120 . A handle 112 is formed on the housing 110 in this embodiment. In this embodiment, the handle 112 is disposed at the opposite end of the operating rod 120 to the execution system 140 , the switch is mounted on the handle 112 , and the operating rod 120 itself can be used as an auxiliary handle for the user to hold. Of course, as an optional embodiment, the handle 112 may also include a main handle and a secondary handle connected to different positions of the operation lever 120. In this case, the main handle may be disposed at the end of the operation lever 120 opposite to the execution system 140, and the auxiliary handle may be It is generally arranged in the middle of the operating lever 120 .

The power system 150 and the execution system 140 may be disposed at the same end of the operating rod 120 or at different ends. In this embodiment, the power system 150 and the execution system 140 are disposed at the same end of the operating rod 120 to facilitate the setting of the transmission system 160; When the power system 150 and the execution system 140 are disposed at different ends of the operating rod 120 , it is beneficial to reduce the weight of the working head, thereby reducing the user's operating fatigue.

The long-bar grinding device 100 may further include a cooling system for heat dissipation. Specifically, the cooling system may be distributed in the host 110 or the power system 150 to dissipate heat to the control system and/or the power system 150 respectively.

Wherein, the long rod type sanding device 100 in this embodiment may further include a dust collection channel 500. As shown in FIG. 1 , the dust collection channel 500 in this embodiment of the present invention is provided in the operating rod 120, and one end of the dust collection channel 500 is connected to the execution system 140. , and the other end extends out of the operating rod 120 to be connected to a dust collector or to a vacuum cleaner (not shown in the figure). This facilitates the collection of dust from the long-bar sander.

As an alternative embodiment, the battery pack may also be connected to the same end of the operating lever 120 as the actuating system 140 . As another alternative embodiment, the battery pack can also be arranged at a certain position in the middle of the operating rod 120 , for example, a connecting seat is provided in the middle of the operating rod 120 , and the battery pack is installed to the connecting seat in the middle of the operating rod 120 at this time. Above, it can be understood that at this time, the wires connecting the power supply, the execution system 140 and the control system are all provided in the operating lever 120 .

It should be noted that, in order to ensure the electrical safety of the structure of the grinding device, the wires for ensuring the conductive connection between the various systems can be arranged in the operating rod 120 .

The long-bar sanding device 100 according to the embodiment of the present invention further includes a lighting system 200, wherein the lighting system 200 is used to provide a supplementary light source for the long-bar sanding device 100, and is used to check the sanding quality of the sanded sanding surface. The lighting system 200 is installed on the execution casing 141 and electrically connected with the power supply 130 through the wire 240 .

The lighting system 200 of the embodiment of the present invention includes a plurality of lighting positions. Likewise, the wire 240 can be passed through the operating rod 120 and then electrically connected to the control system or the power supply 130 . In this embodiment, the wires 240 of the lighting system 200 are set to be directly electrically connected to the power supply 130 , and the lighting system 200 is set to be normally on.

As an alternative embodiment, a lighting switch for controlling the opening and closing of the lighting system 200 may also be provided on the host 110. At this time, the wire 240 and the lighting switch are respectively electrically connected to the control system, and the lighting system 200 can be controlled to be turned on through the lighting switch. or off.

The lighting system 200 according to the embodiment of the present invention includes a housing 210 , a lighting unit 220 and a mounting portion 230 . The lighting unit 220 is disposed in the housing 210 , and the lighting unit 220 is used for emitting the illumination light 101 , and the mounting portion 230 is provided on the housing 210 for mounting the lighting system 200 on the execution casing 141 .

The lighting unit 220 in this embodiment specifically includes an LED lighting assembly, wherein the lumen value of the LED lighting assembly is greater than or equal to 500LM. Specifically, the LED lighting assembly may be an LED chip including several LED chips, wherein the LED chip is electrically connected with the wires 240 .

By setting the lumen value of the LED lighting assembly within the above range, it is ensured that the illumination of the lighting system 200 can meet the user's observation requirements, so that the user can clearly observe the working environment even when the execution system is working at a high place.

The execution housing 141 includes a front surface 141a and a reverse surface 141b. The front surface 141a is used to install an output unit, and the output unit can be sandpaper, a brush plate, or the like. The reverse side 141b is used to mount the power system 150, the transmission system 160, and the like. The lighting system 200 is also provided on the reverse side 141 b of the execution housing 141 . In this way, part of the light 102 emitted by the lighting system 200 is irradiated on the work surface 101 , and the light 102 irradiated by the lighting system 200 on the work surface 101 can obliquely intersect the work surface 101 . At this time, if the work surface 101 is not flat enough, the lighting system 200 will leave a shadow on the work surface 101 , so as to facilitate the user to check the flatness of the work surface 101 . However, in the prior art, a ring light is arranged on the side or front of the execution housing, and the light emitted by the ring light is basically perpendicular to the working surface, so that it is difficult for the user to check the flatness of the working surface.

The mounting portion 230 is detachably connected to the execution housing 141 , for example, the mounting portion 230 is magnetically connected to the execution housing 141 ; or the mounting portion 230 is snap-connected to the execution housing 141 .

In this embodiment, the mounting portion 230 is rotatably connected to the execution housing 141 through the rotating shaft 250 . Specifically, one end of the rotating shaft 250 is mounted and fixed in the mounting portion 230 , and the other end is provided with pivotally connecting the rotating shaft 250 and the execution casing 141 . The fixing member 300, wherein the fixing member 300 can be a bolt or a screw.

The lighting system 200 of this embodiment further includes an angle adjustment assembly, wherein the angle adjustment assembly is provided between the installation portion 230 and the execution housing 141 for adjusting the installation angle of the lighting system 200 .

Specifically, as shown in FIGS. 2-4 , it is an embodiment of an angle adjustment assembly, wherein the angle adjustment assembly in this embodiment includes a first matching tooth 410 , a second matching tooth 420 and a biasing force 430 . The first engaging teeth 410 are disposed on the mounting portion 230 , the second engaging teeth 420 are disposed on the execution housing 141 , and the biasing force 430 exerts a biasing force on the mounting portion 230 to lock the first engaging teeth 410 with the second engaging teeth 420 bias pressure.

Specifically, as shown in FIG. 4 , the mounting portion 230 is a circular boss formed on the end of the housing 210 , and the first mating teeth 410 are formed on the axial end of the circular boss, as shown in FIG. 2 in the execution housing The second mating teeth 420 are formed on the 141 corresponding to the mounting portion 230 . In this embodiment, the first matching teeth 410 and the second matching teeth 420 are both end face teeth. The biasing force member 430 is a spring. The spring is sleeved on the outer circumference of the fixing member 300, one end abuts against the inner wall of the execution housing 141, and the other end abuts against the end of the fixing member 300, wherein the spring exerts a force on the mounting portion 230, The first matching teeth 410 and the second matching teeth 420 are kept engaged and locked.

Of course, the first mating teeth 410 and the second mating teeth 420 may also be independently formed face gears mounted on the execution housing or the mounting portion.

When the angle needs to be adjusted, the user will pull the mounting portion 230 outward to disengage and lock the first engaging teeth 410 and the second engaging teeth 420, and then rotate the mounting portion 230 to select an appropriate mounting angle, and then release the mounting portion 230. At this time, the first matching teeth 410 and the second matching teeth 420 are kept in the locked engagement state again under the force of the spring.

The lighting system 200 further includes a heat dissipation assembly 260 , wherein the heat dissipation assembly 260 is disposed around the casing 210 . Specifically, the housing 210 is a metal casing, such as an aluminum alloy, a magnesium alloy, and the like. The heat dissipation assembly 260 includes a plurality of protruding ribs disposed on the casing 210 for increasing the contact area between the casing 210 and the air, thereby realizing the heat dissipation of the lighting system 200 . The heat dissipation component 260 is integrally formed with the housing 210 .

The lighting system 200 in this embodiment further includes a lampshade 270, wherein the lampshade 270 covers the lighting unit 220, and the lampshade 270 is used for collecting the light 102 of the lighting unit 220. The lighting effect satisfies the lighting requirement of the long-bar type grinding device 100 , and is beneficial to improve the working efficiency of the lighting system and the grinding device 100 . In this embodiment, the lampshade 270 .

In other embodiments, the lamp cover 270 can also be used to diffuse the light emitted by the lighting unit 220 .

The power system 150 includes a motor barrel 151 for installing a motor, and the motor barrel 151 is provided with a tuyere for the cooling airflow to pass through; wherein the lighting system 200 is arranged on the flow path of the cooling airflow. Specifically, the lighting system 200 is disposed downstream of the air outlet 152 of the motor barrel.

As shown in FIGS. 6-7 , it is a lighting system 200 according to another embodiment of the present invention, wherein the angle adjustment components of the lighting system in this embodiment are different from those in the previous embodiment, and the other structures are the same as those in the previous embodiment, No further description is given here.

Specifically, as shown in FIGS. 6-7 , the angle adjustment assembly in this embodiment includes a locking member 440 , a locking hole 450 and a biasing force member 430 ′, wherein the locking member 440 is provided on the execution shell of the execution system 140 On the body 141 , the locking hole 450 is provided on the mounting portion 230 , and the biasing force member 430 ′ exerts a biasing force on the locking member 440 to lock the locking member 450 with the locking hole 450 .

As shown in FIG. 7 , in this embodiment, the locking hole 450 is annularly arranged on the shaft end surface of the mounting portion 230 around the axis of the rotating shaft 250 . As shown in FIG. 6 , the locking member 440 is an elastic pin, and the biasing member 430' is a spring, and the spring is arranged in the elastic pin. The locking member 440 is disposed protruding from the upper surface of the execution housing 141 , and its end extends into the locking hole 450 to achieve locking and positioning of the mounting portion 230 . In this embodiment, the end of the locking pin is a smooth hemisphere, and the locking hole is also a smooth transition spherical counterbore.

When the lighting system 200 needs to be rotated to adjust the lighting angle, the user only needs to rotate the mounting portion 230, and the end of the locking pin is squeezed back by the mounting portion 230. When the mounting portion 230 rotates to an appropriate angle, the user stops the rotation and makes The locking pin pops out and snaps into the corresponding locking hole, and the positioning locking can be realized.

As shown in FIGS. 9-10 , it is another modified embodiment of the lighting system, which is the same as the previous embodiment. The angle adjustment assembly in this embodiment also includes a locking member 440 , a locking hole 450 and a biasing force. The difference from the previous embodiment is that in this embodiment, the locking member 440 is connected to the execution housing 141 and provided, and the locking hole 450 is provided on the outer peripheral surface of the rotating shaft 250 .

As shown in FIG. 10 , a ring of locking holes 450 is provided on a portion of the outer peripheral surface of the lower end of the rotating shaft 250 extending into the execution housing 141 . Similarly, the locking member 440 is an elastic pin, and the biasing force member 430 ′ is a spring. Set in the elastic pin. The locking member 440 is disposed in the execution housing 141 , and its end can extend into the locking hole 450 to achieve locking and positioning of the rotating shaft 250 . In this embodiment, the end of the locking pin is a smooth hemisphere, and the locking hole is also a smooth transition spherical counterbore.

When the lighting system 200 needs to be rotated to adjust the lighting angle, the user only needs to rotate the lighting system 200, and the end of the locking pin is squeezed and retracted by the rotating shaft 250. When the rotating shaft 250 rotates to an appropriate angle, the user stops the rotation and makes the locking The pin pops out and snaps into the corresponding locking hole, which can realize the positioning locking.

As shown in FIGS. 11-12 , the lighting system 200 according to the embodiment of the present invention further includes a plug terminal 280 , wherein the plug terminal 280 is connected to one end of the wire 240 and is used for connecting with the plug port (not in the power tool) provided on the power tool. shown in the figure) electrical connection. The plug-in interface may be provided on the operating lever 120 or may be provided on the execution system 140 . By arranging that the wires 240 of the lighting system 200 include independent plug terminals 280 , the detachable connection of the lighting system 200 can be realized, so that the lighting system 200 can be easily disassembled and assembled according to usage requirements.

By setting the lighting system 200 with a changeable position, the lighting system 200 can adjust the lighting angle and lighting position according to the needs of the user, thereby satisfying different usage scenarios and improving the usage experience of the user.

FIG. 13 is another lighting system 300 suitable for use with the power tool of FIG. 1 . As shown in FIGS. 13 to 15 , the lighting system 300 includes a lighting unit 320 , a heat dissipation assembly 320 and a lampshade assembly 330 . The lampshade assembly 330 is used to cover the lighting unit 320 , and the lampshade assembly 330 includes: a light condensing element 331 , the light condensing element 331 is a lens, and the light condensing element 331 is used for condensing the light emitted by the lighting unit 320 .

The lighting unit 320 is used for emitting lighting light. The lighting unit 320 includes LED chips. In this embodiment, the lighting unit 320 only includes one LED chip. In this way, the lighting unit 320 can make the brightness of the illuminated area brighter than that of other areas, and then the lighting unit 320 can have a higher brightness through the concentrating effect of the lampshade assembly 330 irradiating the working surface, so that the grinding quality of the working surface can be detected. Moreover, the lighting unit 320 only includes one LED chip, which makes the volume of the lighting system 300 smaller and the light-concentrating direction is relatively specific, so that the user can make the light emitted by the lighting unit 320 irradiate the work surface obliquely, which makes it easier to detect The quality of the work surface.

The heat dissipation component 320 is used for heat dissipation of the lighting unit 320 . The lighting unit 320 is mounted on the heat dissipation assembly 320 . In this embodiment, the heat dissipation assembly 320 includes a mounting portion 321 and a heat dissipation portion 322 . The heat dissipation portion 322 includes a plurality of heat dissipation fins 322 a arranged in sequence around the circumferential direction of the mounting portion 321 . The mounting portion 321 is provided among the plurality of fins 322a. The lighting unit 320 is mounted on the mounting portion 321 . An airflow channel 322b is also formed between two adjacent fins 322a. The lighting system 300 corresponds to the position of the air outlet, so that the air flow from the air outlet can flow through the air passage 322b, thereby taking away the heat on the heat dissipation component 320, so that the heat dissipation effect of the lighting unit 320 is better.

The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the above-mentioned embodiments do not limit the present invention in any form, and all technical solutions obtained by means of equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims (12)

1. A power tool, comprising: An execution system includes an execution housing and an output unit mounted on the execution housing, and the output unit outputs power to the outside; a power system including a motor for driving the movement of the output unit; a transmission system for connecting the power system and the execution system and transmitting the transmission therebetween; and a power source for powering the power system; It is characterized in that, The power tool further includes a lighting system for providing a supplementary light source, the lighting system is mounted on the execution housing and is electrically connected to the power source, and the lighting system includes a plurality of lighting positions. 2 . The power tool according to claim 1 , wherein the lighting system is detachably connected to the execution housing. 3 . 3 . The power tool according to claim 1 , wherein the lighting system is rotatably connected to the execution housing. 4 . 4. The power tool according to claim 3, wherein the lighting system further comprises an angle adjustment assembly for adjusting the installation angle of the lighting system. 5. The power tool according to claim 1, characterized in that: the power tool further comprises a plug port; The lighting system further includes a wire and a plug terminal, the wire is connected to the lighting unit, and the plug terminal is provided at one end of the wire and is used for electrical connection with the plug port. 6 . The power tool of claim 1 , wherein the lighting system further comprises a heat dissipation assembly, and the lighting unit is mounted to the heat dissipation assembly. 7 . 7. The power tool of claim 6, wherein the heat dissipation assembly comprises a plurality of heat dissipation fins. 8 . The power tool according to claim 1 , wherein the lighting unit comprises an LED lighting assembly, and the lumen value of the LED lighting assembly is greater than or equal to 500LM. 9 . 9 . The power tool of claim 1 , wherein the lighting unit includes only one LED chip. 10 . 10 . The power tool according to claim 1 , wherein the power system comprises a motor barrel for mounting the motor, and the motor barrel is provided with a cooling air flow to flow out of the motor barrel. 11 . an air outlet, the air outlet guides the cooling airflow to blow toward the lighting system. 11 . The power tool according to claim 1 , wherein the power system generates cooling airflow for dissipating heat to the motor during operation, and the lighting system is arranged on the passage of the cooling airflow. 12 . 12. A power tool comprising: An execution system includes an execution housing and an output unit mounted on the execution housing, and the output unit outputs power to the outside; a power system including a motor for driving the movement of the output unit; a transmission system for connecting the power system and the execution system and transmitting the transmission therebetween; and a power source for powering the power system; It is characterized in that, The power tool further includes a lighting system for providing a supplemental light source, the lighting system is mounted on the execution housing and is electrically connected to the power source, and the power system includes a motor barrel for mounting the motor , the motor barrel is provided with an air outlet for cooling airflow to flow out of the motor barrel, and the air outlet guides the cooling airflow to blow toward the lighting system.

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