CN219379066U - Hand-held type lithium electricity charges and bores heat radiation structure - Google Patents

Abstract

The utility model discloses a heat radiation structure of a handheld lithium battery charging drill, which comprises a base, wherein a base surface on the base is fixedly provided with a handle, a base surface on the handle is fixedly provided with a driving box, the output end of the driving box is provided with a connecting hole, a driving component and a heat radiation component are arranged in the driving box, the driving component and the heat radiation component are oppositely arranged in the driving box, the heat radiation component comprises a first motor, a first transmission rod and a fan blade, the first motor is in transmission connection with the first transmission rod, the other end of the first transmission rod is in transmission connection with the fan blade, the output end of the fan blade is oppositely arranged on the back surface of the driving component, one end, close to the fan blade, of the driving box is provided with an end cover in a rotating manner, a plurality of groups of first heat radiation strips are arranged on the end cover, and a first dustproof net is arranged in the first heat radiation strips, so that the device improves certain working efficiency.

Description

Hand-held type lithium electricity charges and bores heat radiation structure

Technical Field

The utility model relates to the field of hand-held electric drills, in particular to a heat dissipation structure of a hand-held lithium battery charging drill.

Background

The hand-held electric drill is a tool for drilling holes in metal materials, wood, plastics and the like, is quick and convenient to work, and is an indispensable tool for daily work of people.

The utility model patent with publication number of CN114055637A discloses a hand-held electric drill, which is used for solving the technical problems that dust generated in the drilling process of a constructor by adopting the hand-held electric drill in the background art is harmful to the health of the constructor and the construction environment. The electric drill comprises an electric drill body, wherein a drill rod is arranged on the electric drill body, and the electric drill further comprises a dust hood which is of an elastic horn-shaped structure, the dust hood is fixedly connected with the electric drill body, and the drill rod penetrates through the dust hood from one end of a necking of the dust hood and can rotate relative to the dust hood; the device is mainly used for drilling, and although the device can effectively reduce dust entering into an electric drill, the device can not be used for efficiently cooling the device when in use, so that the device can not be used for a long time, and the working efficiency of the device is greatly reduced.

Disclosure of Invention

In order to overcome the structural defects in the prior art, the utility model provides a handheld lithium battery charging drill heat dissipation structure.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a hand-held type lithium electricity bores heat radiation structure that charges, includes the base, base fixed mounting has the handle on the base, base fixed mounting has the drive box on the handle, the connecting hole has been seted up to the drive box output, drive box inside is equipped with drive assembly and radiator unit, drive assembly installs inside the drive box relatively with radiator unit, radiator unit is including first motor, first transfer line and fan, first motor drive is connected with first transfer line, first transfer line other end transmission is connected with the fan, the fan output installs the back at drive assembly relatively, drive box is close to fan one end and opens the rotation and be connected with the end cover, multiunit first radiating strip has been seted up to the end cover, be equipped with first dust screen in the first radiating strip.

Preferably, the driving assembly comprises a second motor and a second transmission rod, the second motor is connected with the second transmission rod in a transmission manner, and the first motor output end and the second motor output end are installed oppositely.

Preferably, the second transmission rod is kept away from second motor one end fixedly connected with connector, the hexagonal mounting groove has been seted up to the connector, the hexagonal mounting groove is located inside the connecting hole, the inside fixed mounting of connector has the magnet piece, the magnet piece is located hexagonal mounting groove bottom.

Preferably, a lithium battery and a control circuit board are arranged in the grip, a first motor switch and a second motor switch are arranged outside the grip, the first motor switch and the second motor switch are electrically connected with the control circuit board, and the lithium battery is electrically connected with the first motor and the second motor.

Preferably, a plurality of groups of second heat dissipation strips are arranged on the outer peripheral surface of the grip, the second heat dissipation strips are equidistantly arranged on the outer peripheral surface of the grip, and a second dustproof net is arranged in the second heat dissipation strips.

Preferably, a charging port is formed in one end, close to the heat dissipation assembly, of the base.

Compared with the prior art, the utility model has the following beneficial effects: therefore, when the device is used, the first motor drives the first transmission rod to drive the fan blade to rotate, so that the temperature inside the driving box is brought out to the outside through the air flow generated by the rotation of the fan blade, the cooling effect is achieved, and the device is provided with the first dustproof net and the second dustproof net at the first radiating strip and the second radiating strip, so that dust can be effectively prevented from entering the driving box.

Drawings

Fig. 1 is a schematic view of the external structure of the present utility model.

Fig. 2 is a schematic diagram of the internal structure of the present utility model.

Fig. 3 is a schematic diagram of the front view structure of the present utility model.

Fig. 4 is a schematic rear view of the present utility model.

Wherein: 1. a base; 2. a grip; 3. a drive box; 4. a connection hole; 5. a first motor; 6. a first transmission rod; 7. a fan blade; 8. an end cap; 9. a first heat sink bar; 10. a first dust screen; 11. a second motor; 12. a second transmission rod; 13. a connector; 14. a hexagonal mounting groove; 15. a magnet piece; 16. a lithium battery; 17. a control circuit board; 18. a first motor switch; 19. a second motor switch; 20. a second heat sink bar; 21. a second dust screen; 22. and a charging port.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1-4, the utility model provides a heat dissipation structure of a hand-held lithium battery charging drill, which comprises a base 1, wherein a base surface on the base 1 is fixedly provided with a handle 2, a base surface on the handle 2 is fixedly provided with a driving box 3, the output end of the driving box 3 is provided with a connecting hole 4, a driving component and a heat dissipation component are arranged in the driving box 3, the driving component and the heat dissipation component are oppositely arranged in the driving box 3, the heat dissipation component comprises a first motor 5, a first transmission rod 6 and a fan 7, the first motor 5 is in transmission connection with the first transmission rod 6, the other end of the first transmission rod 6 is in transmission connection with the fan 7, the output end of the fan 7 is oppositely arranged on the back of the driving component, one end of the driving box 3 close to the fan 7 is provided with an end cover 8 in a rotating way, the end cover 8 is provided with a plurality of groups of first heat dissipation strips 9, a first dustproof net 10 is arranged in the first heat dissipation strips 9, when the device is used, a worker is required to hold the handle 2, then the first motor 5 and the second motor 11 are controlled to be opened and closed through the first motor switch 18 and the second motor switch 19 on the handle 2, the existing hand-held electric drill does not have the heat dissipation function, so that the existing hand-held electric drill cannot work for a long time, the working efficiency is greatly reduced, the device drives the first transmission rod 6 after the first motor switch 18 is opened to control the first motor 5 to start, the fan 7 is driven to rotate, the temperature inside the driving box 3 is brought to the outside through the air flow generated by the rotation of the fan 7, the cooling effect is achieved, the corresponding first dust screen 10 and the second dust screen 21 are arranged at the positions of the first heat dissipation strip 9 and the second heat dissipation strip 20, it is possible to effectively prevent dust from entering the inside of the drive case 3.

In this embodiment, specifically, the driving assembly includes a second motor 11 and a second transmission rod 12, the second motor 11 is in transmission connection with the second transmission rod 12, the output end of the first motor 5 is installed opposite to the output end of the second motor 11, the second motor 11 can provide kinetic energy to the second transmission rod 12, and the second transmission rod 12 can transmit the kinetic energy.

In this embodiment, specifically, the second transmission rod 12 is kept away from second motor 11 one end fixedly connected with connector 13, six mounting groove 14 have been seted up to connector 13, six mounting groove 14 are located inside the connecting hole 4, the inside fixed mounting of connector 13 has magnet piece 15, magnet piece 15 is located six mounting groove 14 bottoms, and connector 13 is used for connecting the drill bit of different models, and six mounting groove 14 is used for spacing to the drill bit of different models, and magnet piece 15 is the same as auxiliary connection.

In this embodiment, specifically, the inside lithium battery 16 and the control circuit board 17 that are equipped with of handle 2, the handle 2 outside is equipped with first motor 5 switch and second motor 11 switch, first motor 5 switch and second motor 11 switch electric connection have control circuit board 17, lithium battery 16 electric connection has first motor 5 and second motor 11, and first motor 5 switch can control opening and closing of first motor 5, and second motor switch 19 can control opening and closing of second motor 11, and lithium battery 16 can then provide electric power for first motor 5 and second motor 11.

In this embodiment, specifically, the outer peripheral surface of the grip 2 is provided with a plurality of groups of second heat dissipation strips 20, the second heat dissipation strips 20 are equidistantly installed on the outer peripheral surface of the grip 2, a second dust-proof net 21 is disposed in the second heat dissipation strips 20, the second heat dissipation strips 20 can discharge heat in the grip 2, and the second dust-proof net 21 can prevent dust from entering the grip 2.

In this embodiment, specifically, a charging port 22 is provided at one end of the base 1 close to the heat dissipation component, and the charging port 22 can charge the lithium battery through an external power supply.

Working principle: when the device is used, a worker holds the handle 2, then the first motor switch 18 and the second motor switch 19 on the handle 2 are used for controlling the opening and closing of the first motor 11 and the second motor 12, the existing hand-held electric drill does not have a heat dissipation function, so that the existing hand-held electric drill cannot work for a long time, the working efficiency is greatly reduced, after the first motor switch 18 is opened for controlling the first motor 11 to start, the first motor 5 drives the first transmission rod 6, the fan 7 is driven to rotate, the temperature inside the driving box 3 is brought out to the outside through air flow generated by the rotation of the fan 7, the cooling effect is achieved, and the corresponding first dust screen 10 and the second dust screen 21 are installed at the positions of the first heat dissipation strip 9 and the second heat dissipation strip 20, so that dust can be effectively prevented from entering the driving box 3.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Hand-held type lithium electricity bores heat radiation structure, including base (1), its characterized in that: base surface fixed mounting has handle (2) on base (1), base surface fixed mounting has drive box (3) on handle (2), connecting hole (4) have been seted up to drive box (3) output, drive box (3) inside is equipped with drive assembly and radiator unit, drive assembly installs inside drive box (3) relatively with radiator unit, radiator unit is including first motor (5), first transfer line (6) and fan (7), first motor (5) transmission is connected with first transfer line (6), first transfer line (6) other end transmission is connected with fan (7), fan (7) output is installed relatively at drive assembly's back, drive box (3) are close to fan (7) one end rotation and are connected with end cover (8), multiunit first heat dissipation strip (9) have been seted up to end cover (8), be equipped with first dust screen (10) in first heat dissipation strip (9).

2. The heat dissipation structure of a hand-held lithium-ion rechargeable drill of claim 1, wherein: the driving assembly comprises a second motor (11) and a second transmission rod (12), the second motor (11) is connected with the second transmission rod (12) in a transmission mode, and the output end of the first motor (5) and the output end of the second motor (11) are installed oppositely.

3. The handheld lithium battery charging drill heat dissipation structure according to claim 2, wherein: the second transmission rod (12) is kept away from second motor (11) one end fixedly connected with connector (13), six limit mounting groove (14) have been seted up to connector (13), six limit mounting groove (14) are located inside connecting hole (4), connector (13) inside fixed mounting has magnet piece (15), magnet piece (15) are located six limit mounting groove (14) bottoms.

4. The heat dissipation structure of a hand-held lithium-ion rechargeable drill of claim 1, wherein: the novel electric bicycle handle is characterized in that a lithium battery (16) and a control circuit board (17) are arranged inside the handle (2), a first motor (5) switch and a second motor (11) switch are arranged outside the handle (2), the first motor (5) switch and the second motor (11) switch are electrically connected with the control circuit board (17), and the lithium battery (16) is electrically connected with the first motor (5) and the second motor (11).

5. The heat dissipation structure of a hand-held lithium-ion rechargeable drill of claim 1, wherein: the novel anti-dust handle is characterized in that a plurality of groups of second radiating strips (20) are arranged on the outer peripheral surface of the handle (2), the second radiating strips (20) are equidistantly arranged on the outer peripheral surface of the handle (2), and a second dustproof net (21) is arranged in the second radiating strips (20).

6. The heat dissipation structure of a hand-held lithium-ion rechargeable drill of claim 1, wherein: one end of the base (1) close to the heat dissipation assembly is provided with a charging port (22).