CN220145861U

CN220145861U - Hand-held tool

Info

Publication number: CN220145861U
Application number: CN202321687058.9U
Authority: CN
Inventors: 李森
Original assignee: Suzhou Deli Technology Co ltd
Current assignee: Suzhou Deli Technology Co ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2023-12-08
Anticipated expiration: 2033-06-29

Abstract

The utility model provides a handheld tool, and relates to the technical field of electric handheld tools. The utility model provides a handheld tool, which comprises a circuit board, a battery cell, an LED lamp and a mounting cover plate, wherein the battery cell is positioned on one side of the circuit board and is electrically connected with the circuit board; the circuit board comprises an electric quantity judging module, the electric quantity judging module is used for judging electric quantity information of the battery cell and transmitting the electric quantity information to the circuit board, and the circuit board is used for controlling the LED lamp to be turned on or turned off according to the electric quantity information of the battery cell; the periphery of the mounting cover plate is provided with an annular light transmission area, and light beams emitted by the LED lamps when the LED lamps are lighted are emitted outwards through the annular light transmission area. The handheld tool obtained through the design has a larger electric quantity display area, is more convenient for a user to observe the current electric quantity condition of the battery cell, and improves the man-machine interaction and the use experience of the user.

Description

Hand-held tool

Technical Field

The utility model relates to the technical field of electric hand tools, in particular to a hand tool.

Background

Currently, power hand tools are typically powered by a battery pack. In order to facilitate users to know the residual electric quantity in time, the left shell or the right shell of the electric hand-held tool is provided with hollowed-out display windows, the number of the display windows corresponds to the number of the display lamps, and different display lamps are lighted to represent different residual electric quantity grades.

However, such setting makes the electric quantity display area less, is inconvenient for observing the current electric quantity state of the battery, has reduced man-machine interaction experience sense, therefore what is needed is a handheld tool that can be convenient for the user to observe the current electric quantity state of the battery, and man-machine interaction experience sense is high so as to solve the above-mentioned problem.

Disclosure of Invention

The utility model provides a handheld tool, and aims to solve the problems that an electric handheld tool in the prior art is small in electric quantity display area, inconvenient to use for observing the current electric quantity state of a battery and poor in human-computer interaction experience.

Embodiments of the present utility model are implemented as follows:

in one aspect of the embodiment of the utility model, a handheld tool is provided, which comprises a circuit board, a battery cell, an LED lamp and a mounting cover plate, wherein the battery cell is positioned on one side of the circuit board and is electrically connected with the circuit board, the LED lamp is positioned on the other side of the circuit board and is electrically connected with the circuit board, and the mounting cover plate is arranged on one side of the LED lamp away from the circuit board; the circuit board comprises an electric quantity judging module, the electric quantity judging module is used for judging electric quantity information of the battery cell and transmitting the electric quantity information to the circuit board, and the circuit board is used for controlling the LED lamp to be turned on or turned off according to the electric quantity information of the battery cell; the periphery of the mounting cover plate is provided with an annular light transmission area, and light beams emitted by the LED lamps when the LED lamps are lighted are emitted outwards through the annular light transmission area.

Optionally, the mounting cover plate includes a first panel facing the circuit board and transmitting light, a second panel facing away from the circuit board and transmitting light, and a side plate surrounding between the first panel and the second panel and transmitting light; the side plate forms a first light transmission area, the periphery of the second panel forms a second light transmission area, and the annular light transmission area comprises the first light transmission area and the second light transmission area.

Optionally, the second panel is pasted with an impermeable label to form an impermeable area; the light-tight area is located in the central area of the second panel.

Optionally, the circuit board further comprises a control module, and the control module controls the LED lamp to emit red light beams or green light beams according to the electric quantity information of the battery cell;

when the electric quantity of the battery core is larger than or equal to a first preset electric quantity value, the control module controls the LED lamp to continuously emit green light beams and emit the green light beams from the annular light transmission area.

Optionally, when the electric quantity of the electric core is smaller than a first preset electric quantity value and larger than a second preset electric quantity value, the control module controls the LED lamp to continuously emit red light beams and emit the red light beams from the annular light transmission area; or when the circuit of the battery core is smaller than a second preset electric quantity value, the control module controls the LED lamp to emit red light beams intermittently and emit the red light beams from the annular light transmission area.

Optionally, the handheld tool further comprises a casing, the mounting cover plate is fixedly connected with the casing to form a containing cavity, and the battery cell, the circuit board and the LED lamp are all arranged in the containing cavity.

Optionally, be equipped with first mounting groove and the second mounting groove of mutual intercommunication in the casing, first mounting groove is used for installing the electric core, and the second mounting groove is used for installing circuit board and LED lamp.

Optionally, the first mounting groove and the second mounting groove are respectively provided with a positioning rib, and the positioning ribs are respectively used for positioning the battery core and the circuit board.

Optionally, the light emitting direction of the LED lamp is set towards the annular light transmitting area, the light emitting direction of the LED lamp has an included angle with the first direction, the included angle is an acute angle, and the first direction is the arrangement direction of the battery cell and the circuit board.

Optionally, a charging port is further formed in the mounting cover plate and is communicated to the circuit board.

The beneficial effects of the embodiment of the utility model include: the embodiment of the utility model provides a handheld tool _， The LED lamp comprises a circuit board, a battery cell, an LED lamp and a mounting cover plate, wherein the battery cell is positioned on one side of the circuit board and is electrically connected with the circuit board, the LED lamp is positioned on the other side of the circuit board and is electrically connected with the circuit board, and the mounting cover plate is arranged on one side of the LED lamp, which is away from the circuit board; the circuit board comprises an electric quantity judging module, wherein the electric quantity judging module is used for judging electric quantity information of the power core and transmitting the electric quantity information to the circuit board so as to send the electric quantity information of the powered handheld tool to the circuit board in real time when the handheld tool is started; the circuit board is used for controlling the LED lamp to be turned on or off according to the electric quantity information of the battery cell, and the specific working condition of the LED can be different according to the real-time electric quantity information of the battery cell when the handheld tool is startedThe man-machine interaction can be improved by changing; the periphery of the mounting cover plate is provided with an annular light transmission area, light beams emitted by the LED lamp when the LED lamp is lighted are emitted outwards through the annular light transmission area, and a user can grasp the current electric quantity information of the electric core of the handheld tool in real time according to the light source change condition of the annular light transmission area; the display area of the LED light source can be increased through the arrangement of the annular light transmission area, so that a user can observe the change condition of the light source, the human-computer interaction experience is further improved, and the use experience of the user is improved. The handheld tool obtained through the design has a larger electric quantity display area, is more convenient for a user to observe the current electric quantity condition of the battery cell, and improves the man-machine interaction and the use experience of the user.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a hand tool according to an embodiment of the present utility model;

FIG. 2 is a second schematic diagram of a handheld tool according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of an internal structure of a handheld tool according to an embodiment of the present utility model;

FIG. 4 is an enlarged detail view at A;

FIG. 5 is a second schematic diagram of the internal structure of the handheld tool according to the embodiment of the present utility model;

FIG. 6 is a schematic diagram of a mounting cover plate according to an embodiment of the present utility model;

fig. 7 is a second schematic view of the structure of the cover plate for listening to songs according to the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some, but not all, embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

In the description of the present utility model, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1, 2 and 4, in one aspect of an embodiment of the present utility model, a hand tool 100 is provided _， The LED lamp comprises a circuit board 110, an electric core 120 positioned on one side of the circuit board 110 and electrically connected with the circuit board 110, an LED lamp 130 positioned on the other side of the circuit board 110 and electrically connected with the circuit board 110, and a mounting cover plate 140 arranged on one side of the LED lamp 130 away from the circuit board 110; the circuit board 110 includes an electric quantity judging module for judging the electric quantity information of the battery cell 120 and transmitting the electric quantity information to the circuit board 110, and the circuit board 110 is used for controlling the electric quantity of the battery cell 120The information controls the LED lamp 130 to be turned on or off; the periphery of the mounting cover plate 140 has an annular light-transmitting region 141, and the light beam emitted from the led lamp 130 when it is lighted is emitted outwards through the annular light-transmitting region 141.

Specifically, the present utility model provides a hand-held tool 100, where the hand-held tool 100 includes a battery cell 120 capable of providing electric energy, and the battery cell 120 is connected to one side of a circuit board 110; the circuit board 110 includes an electric quantity judging module, which is connected in series with the switch of the handheld tool 100, and when the handheld tool 100 is turned on, the electric quantity judging module can acquire and judge the electric quantity information of the battery cell 120 in real time and transmit the electric quantity information to the circuit board 110 for further operation.

An LED lamp 130 is connected to a side of the circuit board 110 facing away from the battery cell 120. When the circuit board 110 receives the power information of the handheld tool 100, the LED lamp 130 can be immediately controlled to be turned on or off according to the power information, so as to send a corresponding light source change signal to a user and prompt the user of the power information of the battery cell 120.

The hand tool 100 further has a mounting cover plate 140, the mounting cover plate 140 is disposed on one side of the LED lamp 130 away from the circuit board 110, the periphery of the mounting cover plate 140 is provided with an annular light-transmitting area 141, and when the LED lamp 130 is controlled by the circuit board 110 and is turned on or off, the light source emitted by the LED lamp 130 is changed and emitted outwards through the annular light-transmitting area 141. Taking fig. 1 as an example, the annular light-transmitting region 141 is located at the bottom periphery of the hand-held tool 100, and when the user turns on the hand-held tool 100, a light source signal varying in several seconds is observed from the bottom periphery of the hand-held tool 100, and the electric quantity of the hand-held tool 100 can be obtained according to the light source signal.

It should be noted that, first, in the embodiment of the present utility model, the light source emitted by the LED lamp 130 can be emitted outwards through the annular light-transmitting area 141, and in a preferred embodiment of the present utility model, the annular light-transmitting area 141 is disposed around the bottom periphery of the handheld tool 100, so that a user can intuitively and conveniently observe the light source signal changing for several seconds in any direction of the handheld tool 100.

The existing direct current hand-held tool is generally provided with a hollowed-out display window on a left shell or a right shell, a plurality of display lamps which can be turned on or off according to the electric quantity condition are arranged in the display window, the number of the display windows corresponds to the number of the display lamps, and the different numbers of the display lamps are turned on to represent different residual electric quantity grades. However, such a setting mode results in a smaller power display area, which is inconvenient for the user to observe, and the user can only judge the remaining power level according to the number of the turned-on display lamps, so that the man-machine interaction is poor. In the handheld tool 100 provided by the utility model, the electric quantity display area is increased by the arrangement of the annular light transmission area 141, so that a user can easily observe the change of the light source signal, obtain the corresponding electric quantity information, and improve the man-machine interaction and the user use experience.

Second, in the embodiment of the present utility model, at least one LED lamp 130 is provided, and the LED lamp 130 can correspondingly emit two light sources with different colors according to different electric quantity information of the handheld tool 100. If the number of the LED lamps 130 is one, the two LED lamps 130 can respectively emit two different colors, and if the number of the LED lamps 130 is two or more, one part of the LED lamps 130 can emit only one color, and the other part of the LED lamps 130 can emit the other color, so long as the purpose that the corresponding emission of two different light sources with different electric quantity information of the handheld tool 100 can be realized, the specific number of the LED lamps 130 is not limited in any way.

The handheld tool 100 provided by the embodiment of the utility model comprises a circuit board 110, a battery cell 120 which is positioned at one side of the circuit board 110 and is electrically connected with the circuit board 110, an LED lamp 130 which is positioned at the other side of the circuit board 110 and is electrically connected with the circuit board 110, and a mounting cover plate 140 which is arranged at one side of the LED lamp 130 away from the circuit board 110; the circuit board 110 includes an electric quantity judging module, which is used for judging the electric quantity information of the power core 120 and transmitting the electric quantity information to the circuit board 110 so as to send the electric quantity information of the powered hand-held tool 100 to the circuit board 110 in real time when the hand-held tool is started; the circuit board 110 is used for controlling the LED lamp 130 to be turned on or off according to the electric quantity information of the electric core 120, and the specific working condition of the LED can be changed differently according to the real-time electric quantity information of the electric core 120 when the handheld tool 100 is started, so that the man-machine interaction can be increased; the periphery of the mounting cover plate 140 is provided with an annular light-transmitting area 141, and light beams emitted by the LED lamp 130 when being lightened are emitted outwards through the annular light-transmitting area 141, so that a user can grasp the current electric quantity information of the electric core 120 of the handheld tool 100 in real time according to the light source change condition of the annular light-transmitting area 141; the display area of the LED light source can be increased through the arrangement of the annular light transmission area 141, so that a user can observe the change condition of the light source, the human-computer interaction experience is further improved, and the use experience of the user is improved. The hand-held tool 100 with the above design has a larger electric quantity display area, which is more convenient for the user to observe the current electric quantity condition of the battery cell 120, and improves the man-machine interaction and the user experience.

In one possible embodiment of the present utility model, as shown in fig. 1, 6 and 7, the mounting cover 140 includes a first panel 1411 that is light transmissive toward the wiring board 110, a second panel 1413 that is light transmissive away from the wiring board 110, and a side panel 1412 that is light transmissive and is disposed around between the first panel 1411 and the second panel 1413; the side plate 1412 forms a first light-transmitting region, the periphery of the second panel 1413 forms a second light-transmitting region, and the annular light-transmitting region 141 includes the first light-transmitting region and the second light-transmitting region.

Specifically, the mounting cover 140 includes a light transmissive first panel 1411, a second panel 1413, and a side panel 1412 positioned between the first panel 1411 and the second panel 1413. In a preferred embodiment of the present utility model, the first panel 1411, the second panel 1413 and the side plate 1412 are each surface-frosted or polished, so that the mounting cover 140 is light-transparent and has a beautiful appearance. The side plate 1412 forms a first light-transmitting area, and the periphery of the second panel 1413 forms a second light-transmitting area, and the first light-transmitting area and the second light-transmitting area together form an annular light-transmitting area 141.

The light source emitted by the LED lamp 130 is transmitted through the first panel 1411 and is emitted from the peripheral edges of the side plate 1412 and the second panel 1413, so that a user can observe the changed light source through the annular light-transmitting area 141 formed by the peripheral edges of the side plate 1412 and the second panel 1413.

Through the arrangement of the mounting cover plate 140 and the annular light transmission area 141 thereof, the peripheries of the side plate 1412 and the second panel 1413 can observe the light source, so that the electric quantity display area of the handheld tool 100 is further increased, the electric quantity display area is convenient for a user to observe, and the use feeling of the user is improved.

Further, as shown in fig. 2 and 7, the second panel 1413 is affixed with an opaque label to form an opaque region 142; the opaque region 142 is located in a central region of the second panel 1413.

Specifically, a second light-transmitting area capable of transmitting light is formed on the periphery of the second panel 1413, and an impermeable label is attached to a central area except for the second light-transmitting area to form an impermeable area 142. In a preferred embodiment, the opaque label may be printed with specification information corresponding to the hand tool 100, and by such arrangement, the light transmission degree of the annular light transmission area 141 is not affected, and the specific specification of the hand tool 100 can be displayed.

In a specific embodiment, the first panel 1411, the second panel 1413, and the side panel 1412 are integrally formed from a light transmissive material, which is simple to manufacture and low in manufacturing and assembly costs. Meanwhile, an annular light transmission area is defined through the light-impermeable label, and the design is quite reasonable.

In an implementation manner of the present utility model, the circuit board 110 further includes a control module, and the control module controls the LED lamp 130 to emit a red light beam or a green light beam according to the electric quantity information of the battery cell 120;

when the electric quantity of the battery cell 120 is greater than or equal to the first preset electric quantity value, the control module controls the LED lamp 130 to continuously emit green light beams and emit the green light beams from the annular light-transmitting area 141.

Specifically, the circuit board 110 further includes a control module. When the handheld tool 100 is turned on, the electric quantity judging module can acquire and judge the electric quantity information of the battery cell 120 in real time, and transmit the electric quantity information to the circuit board 110, and the circuit board 110 can control the LED lamp 130 to emit red light or green light through the control module in combination with the electric quantity information.

If the electric quantity judging module judges that the electric quantity of the battery core 120 is greater than or equal to the first preset value, the control module can immediately control the LED lamp 130 to continuously emit green light beams for a plurality of seconds, and the green light beams can penetrate the annular light-transmitting area 141 and emit outwards and are observed by a user.

In a preferred embodiment, the first preset value is set to 40%. If the power of the battery 120 is greater than 40% when the handheld tool 100 is turned on, the LED lamp 130 continuously emits the green light beam for 3 to 5 seconds, and the user can know the power of the current handheld tool 100 according to the signal. Of course, the first preset value may be set to 30% or 45% according to the actual use condition, and similarly, the duration of the continuous light emission of the LED lamp 130 may be prolonged or shortened appropriately according to the actual use condition, so long as the user can clearly observe the change condition of the light source, which is not limited in the present utility model.

Further, when the electric quantity of the battery core 120 is smaller than the first preset electric quantity value and larger than the second preset electric quantity value, the control module controls the LED lamp 130 to continuously emit red light beams and emit the red light beams from the annular light-transmitting area 141; or, when the circuit of the battery core 120 is smaller than the second preset electric quantity value, the control module controls the LED lamp 130 to intermittently emit red light beams and emit the red light beams from the annular light-transmitting area 141.

Specifically, if the electric quantity judging module judges that the electric quantity of the battery cell 120 is smaller than the first preset value and larger than the second preset electric quantity at this time, the control module can immediately control the LED lamp 130 to continuously emit a few seconds of red light beams; if the electric quantity judging module judges that the electric quantity of the battery core 120 is smaller than the second preset value, the control module can immediately control the LED lamp 130 to intermittently emit red light beams for a plurality of seconds, and the red light beams can penetrate the annular light-transmitting area 141 and emit outwards and are observed by a user.

In a preferred embodiment, the second preset value is set to 5%. If the power of the battery 120 is less than 40% and greater than 5% when the handheld tool 100 is turned on, the LED lamp 130 continuously emits a red light beam for 3 to 5 seconds; if the power of the battery cell 120 is less than 5%, the LED lamp 130 blinks to emit a red light beam for 3 to 5 seconds, and the user can know the power of the present handheld tool 100 according to the signal. Of course, the second preset value may be set to 10% according to the actual use condition, and the time for the LED lamp 130 to continuously emit light or flash may be prolonged or shortened appropriately according to the actual use condition, so long as the user can clearly observe the change condition of the light source, which is not limited in the present utility model.

By setting the preset electric quantity value and the corresponding light emitting mode of the LED lamp 130, a user can easily judge the current electric quantity value according to the observed light source change condition of the LED lamp 130, and the man-machine interaction and the reliability are improved.

In one implementation of the embodiment of the present utility model, as shown in fig. 3 and 5, the handheld tool 100 further includes a housing 150, and the mounting cover 140 is fixedly connected with the housing 150 to form a receiving cavity, where the battery core 120, the circuit board 110 and the LED lamp 130 are disposed.

Specifically, the hand tool 100 further includes a housing 150, where one end of the housing 150 is fixedly connected to the mounting cover 140, and a receiving cavity is formed in the housing to protect components in the housing 150. The battery core 120, the circuit board 110 and the LED lamp 130 are sequentially disposed in the accommodating cavity. Through the setting of holding chamber, can play certain guard action to electric core 120, circuit board 110 and LED lamp 130, strengthened the stability and the reliability that this hand tool 100 internals connect simultaneously.

Further, as shown in fig. 5, a first mounting groove 151 and a second mounting groove 152 which are mutually communicated are provided in the housing 150, the first mounting groove 151 is used for mounting the battery cell 120, and the second mounting groove 152 is used for mounting the circuit board 110 and the LED lamp 130.

Specifically, the first mounting groove 151 and the second mounting groove 152 are provided in the casing 150, and the first mounting groove 151 and the second mounting groove 152 are mutually communicated, so that connection and conduction of each part are facilitated. The first mounting groove 151 is used for mounting the battery cell 120, and the second mounting groove 152 is used for mounting the circuit board 110 and the LED lamp 130. The circuit board 110 is mounted on one side of the second mounting groove 152 close to the battery cell 120, the LED lamp 130 is mounted on one side of the circuit board 110 far away from the battery cell 120, so that the battery cell 120 and the LED lamp 130 are electrically connected with the circuit board 110 respectively, and one end of the second mounting groove 152 far away from the first mounting groove 151 is connected with the mounting cover plate 140. By such arrangement, the connection relationship between the internal parts of the hand tool 100 can be made more stable and orderly.

Further, as shown in fig. 5, the first mounting groove 151 and the second mounting groove 152 are respectively provided with a positioning rib 153, and the positioning ribs 153 are respectively used for positioning the battery cell 120 and the circuit board 110. In the production and installation process, the positioning ribs 153 can easily position, install and limit the battery core 120 and the circuit board 110, so that the installation process is more efficient and convenient.

In an implementation manner of the present utility model, the light emitting direction of the LED lamp 130 is set towards the annular light transmitting area 141, and the light emitting direction of the LED lamp 130 has an included angle with the first direction a, which is the arrangement direction of the battery cell 120 and the circuit board 110, as shown in fig. 4.

Specifically, the light emitting direction of the LED lamp 130 faces the peripheral direction of the side plate 1412 and the second panel 1413 of the mounting cover 140, so that the light beam emitted from the LED lamp 130 can be maximally emitted from the annular light transmitting region 141. The light emitting direction of the LED lamp 130 has an included angle with the first direction a, the first direction a is the arrangement direction of the battery core 120 and the circuit board 110, and the light emitting direction of the LED lamp 130 has an acute included angle with the first direction a.

Through setting up LED lamp 130 slope, make the light beam that LED lamp 130 sent can the furthest follow annular light transmission district 141 and jet out, can improve the light extraction, make the user can more clearly, obviously observe the light source change condition in annular light transmission district 141.

In an embodiment of the present utility model, the mounting cover 140 is further provided with a charging port 160, and the charging port 160 is connected to the circuit board 110.

In particular, the hand tool 100 of the present utility model is powered by supplying electrical power through the battery 120. As shown in fig. 2 and fig. 7, a charging port 160 is provided at the position of the opaque region 142 of the mounting cover plate 140, and the charging port 160 can be plugged into a power supply and transmit electric energy to the battery cell 120 through the circuit board 110 so as to charge the battery cell 120. By the arrangement, the charging process of the handheld tool 100 is convenient, the battery cell 120 does not need to be replaced frequently, and the cost is saved while the light emergent of the annular light-transmitting area 141 is not influenced.

In a preferred embodiment, the charging port 160 is a USB type-C interface, and of course, may be provided as a Micro USB interface, or the like, besides the type-C interface, and may be adjusted according to actual production conditions, which is not limited in the present utility model.

The above description is only an example of the present utility model and is not intended to limit the scope of the present utility model, and various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The handheld tool is characterized by comprising a circuit board, an electric core, an LED lamp and a mounting cover plate, wherein the electric core is positioned on one side of the circuit board and is electrically connected with the circuit board, the LED lamp is positioned on the other side of the circuit board and is electrically connected with the circuit board, and the mounting cover plate is arranged on one side, away from the circuit board, of the LED lamp; the circuit board comprises an electric quantity judging module, wherein the electric quantity judging module is used for judging electric quantity information of the battery cell and transmitting the electric quantity information to the circuit board, and the circuit board is used for controlling the LED lamp to be turned on or turned off according to the electric quantity information of the battery cell; the periphery of the mounting cover plate is provided with an annular light transmission area, and light beams emitted by the LED lamps when the LED lamps are lighted are emitted outwards through the annular light transmission area.

2. The hand tool of claim 1, wherein the mounting cover comprises a first panel that is optically transparent toward the circuit board, a second panel that is optically transparent away from the circuit board, and a side plate that is optically transparent and is looped between the first panel and the second panel; the side plate forms a first light-transmitting area, the periphery of the second panel forms a second light-transmitting area, and the annular light-transmitting area comprises the first light-transmitting area and the second light-transmitting area.

3. The hand tool of claim 2, wherein the second panel is affixed with an opaque label to form an opaque region; the opaque region is located in a central region of the second panel.

4. The hand-held tool according to claim 1, wherein the circuit board further comprises a control module which controls the LED lamp to emit a red light beam or a green light beam according to the electric quantity information of the battery cell;

when the electric quantity of the battery cell is larger than or equal to a first preset electric quantity value, the control module controls the LED lamp to continuously emit green light beams and emit the green light beams from the annular light transmission area.

5. The hand-held tool according to claim 4, wherein the control module controls the LED lamp to continuously emit a red light beam and emit from the annular light-transmitting region when the power of the battery cell is smaller than the first preset power value and larger than a second preset power value; or when the circuit of the battery core is smaller than a second preset electric quantity value, the control module controls the LED lamp to emit red light beams intermittently and emit the red light beams from the annular light transmission area.

6. The hand tool of claim 1, further comprising a housing, wherein the mounting cover plate is fixedly connected to the housing to form a receiving cavity, and wherein the battery cell, the circuit board, and the LED lamp are disposed within the receiving cavity.

7. The hand tool of claim 6, wherein a first mounting groove and a second mounting groove are formed in the casing, the first mounting groove is used for mounting the battery cell, and the second mounting groove is used for mounting the circuit board and the LED lamp.

8. The hand tool of claim 7, wherein the first mounting groove and the second mounting groove are respectively provided with a positioning rib, and the positioning ribs are respectively used for positioning the battery cell and the circuit board.

9. The hand-held tool according to claim 1, wherein the light emitting direction of the LED lamp is set toward the annular light transmitting region, the light emitting direction of the LED lamp has an included angle with a first direction, the included angle is an acute angle, and the first direction is an arrangement direction of the battery cell and the circuit board.

10. The hand-held tool according to claim 1, wherein the mounting cover plate is further provided with a charging port, and the charging port is communicated to the circuit board.