CN219255486U

CN219255486U - Electric tool with temperature alarm function

Info

Publication number: CN219255486U
Application number: CN202320265381.0U
Authority: CN
Inventors: 徐佳惠; 方继君; 杨杰
Original assignee: Shanghai Bojin Medical Instrument Co ltd
Current assignee: Shanghai Bojin Medical Instrument Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-06-27
Anticipated expiration: 2033-02-21

Abstract

The utility model discloses an electric tool with a temperature alarm function, which comprises a shell, wherein the inner wall of the shell is fixedly connected with a container through a small rod, the container is fixedly connected with a motor, the output end of the motor is fixedly connected with a working head, the inner wall of the container is slidably connected with a piston, the piston is fixedly connected with a connecting frame, the connecting frame is fixedly connected with a first gasket, the shell is provided with a bulb, one pin of the bulb is connected with a first gasket wire, and the shell is fixedly connected with a battery, and the electric tool has the beneficial effects that: when the motor is used for heating, mercury absorbs heat and expands in the container, so that the piston slides along the connecting frame, the first gasket and the second gasket are convenient to contact, the bulb and the battery are connected to form a complete closed circuit, the bulb emits light to perform high-temperature early warning, the electric tool is required to stop working at the moment, the electric tool can continue working after a period of heat dissipation, and the motor can be effectively prevented from aging and aggravating insulating paint of a winding coil in the motor due to overhigh temperature.

Description

Electric tool with temperature alarm function

Technical Field

The utility model relates to the technical field of electric tools, in particular to an electric tool with a temperature alarm function.

Background

The drill and the electric shear are electric tools commonly used in production and life, and the existing electric tools control the rotation of a motor through a trigger so as to realize output driving force.

For example, chinese patent literature discloses a hand-held power tool, publication no: CN215395061U, it mainly can be according to the actual use scene, select different grade type of working head, hold it on electric tool through clamping device, only need carry the working head of change when going out the operation, convenient to use, the practicality reinforcing, but can produce the heat when electric tool's motor drive in actual use, the device can not send the early warning when motor temperature is too high, motor temperature is too high will lead to wire winding coil's insulating varnish in the motor ageing aggravate, burn wire winding coil even, thereby influence electric tool's life.

Therefore, the electric tool with the temperature alarm function is designed and produced so as to solve the problem that the device cannot give out early warning when the temperature of the motor is too high.

Disclosure of Invention

The technical scheme adopted for solving the technical problems is as follows: the utility model provides an electric tool with temperature alarming function, includes the shell, the inner wall of shell passes through little pole fixedly connected with container, container fixedly connected with motor, the output fixedly connected with work head of motor, the inner wall sliding connection of container has the piston, piston fixedly connected with link, link fixedly connected with first gasket, the shell is provided with the bulb, one of them pin of bulb is connected with first gasket wire, shell fixedly connected with battery, another pin of bulb is connected with the positive wire of battery, the negative level of battery passes through wire fixedly connected with second gasket, and when the motor use generates heat, mercury absorbs the heat expansion in the container to let the piston take the link to slide, be convenient for let first gasket and second gasket contact for bulb and battery connection be a complete closed circuit, make the bulb give out light and carry out high temperature early warning, need let electric tool stop working this moment, just can continue working after a period of heat dissipation.

Preferably, the container is made of copper material, and the shell and the connecting frame are made of insulating materials, so that mercury can absorb heat on the motor conveniently.

Preferably, a dustproof plate is fixedly connected to one side of the shell, a through hole is formed in the dustproof plate, air can be introduced into the through hole, and heat dissipation of the device is facilitated.

Preferably, the output end of the motor is fixedly connected with a fan blade, and when the electric tool is used, the fan blade rotates when the motor rotates, so that gas circulation is facilitated.

Preferably, the dust guard rotates and is connected with the connecting rod, connecting rod fixedly connected with scraper blade, scraper blade laminating dust guard, connecting rod fixedly connected with first bevel gear, first bevel gear meshing has second bevel gear, second bevel gear fixedly connected with pivot, pivot and shell rotate and are connected, pivot fixedly connected with drive gear, drive gear meshing has the pinion rack, pinion rack and link fixed connection when mercury is heated and lets the link remove for the pinion rack removes, thereby lets drive gear rotate, is convenient for let the pivot rotate, can let second bevel gear take first bevel gear to rotate like this, thereby can let the connecting rod rotate, so make the scraper blade rotate in dust guard department, clear up the dust guard.

Compared with the prior art, the utility model has the beneficial effects that: when the motor is used for heating, mercury absorbs heat and expands in the container, so that the piston slides along the connecting frame, the first gasket and the second gasket are convenient to contact, the bulb and the battery are connected to form a complete closed circuit, the bulb emits light to perform high-temperature early warning, the electric tool is required to stop working at the moment, the electric tool can continue working after a period of heat dissipation, and the motor can be effectively prevented from being too high in temperature, so that the ageing and aggravation of insulating paint of a winding coil in the motor can be caused.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic view of a partial structure of a container according to the present utility model;

fig. 3 is a schematic view of a partial structure of a rotating shaft according to the present utility model.

In the figure: 1. a housing; 2. a container; 3. a motor; 4. a working head; 5. a piston; 6. a connecting frame; 7. a first gasket; 8. a bulb; 9. a battery; 10. a second gasket; 11. a dust-proof plate; 12. a through hole; 13. a fan blade; 14. a connecting rod; 15. a first bevel gear; 16. a second bevel gear; 17. a rotating shaft; 18. a transmission gear; 19. a toothed plate; 20. a scraper.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Examples

Referring to fig. 1-3, the embodiment provides an electric tool with a temperature alarm function, which comprises a housing 1, the inner wall of the housing 1 is fixedly connected with a container 2 through a small rod, the container 2 is fixedly connected with a motor 3, the output end of the motor 3 is fixedly connected with a working head 4, the inner wall of the container 2 is slidably connected with a piston 5, the piston 5 is fixedly connected with a connecting frame 6, the connecting frame 6 is fixedly connected with a first gasket 7, the housing 1 is provided with a bulb 8, one pin of the bulb 8 is connected with a first gasket 7 through a wire, the housing 1 is fixedly connected with a battery 9, the other pin of the bulb 8 is connected with a positive-stage wire of the battery 9, the negative-stage of the battery 9 is fixedly connected with a second gasket 10 through a wire, mercury is filled in the container 2, when the motor 3 heats up, the water and silver in the container 2 absorbs heat to expand, so that the piston 5 slides with the connecting frame 6, the first gasket 7 is convenient to contact with the second gasket 10, the bulb 8 is connected with the battery 9 to form a complete closed circuit, the bulb 8 emits light to perform high-temperature early warning, the electric tool needs to stop working when the motor is needed, and after a period of time, the motor can not work, the heat dissipation of the motor 3 can be effectively prevented from further aging due to the wire winding, and ageing of the coil 3.

The container 2 is made of copper material, the shell 1 and the connecting frame 6 are made of insulating materials, copper has good heat conducting property, and mercury can absorb heat on the motor 3 conveniently.

The dust guard 11 is fixedly connected to one side of the shell 1, the dust guard 11 is provided with a through hole 12, air can be introduced into the through hole 12, the device is convenient to dissipate heat, and dust is prevented from entering the device by the dust guard 11.

The output fixedly connected with flabellum 13 of motor 3, when electric tool used, motor 3 rotated, flabellum 13 rotated, the circulation of the gas of being convenient for radiating effect is good.

The connecting rod 14 rotates to be connected on the dust guard 11, scraper blade 20 fixed connection is on connecting rod 14, scraper blade 20 laminating dust guard 11, first bevel gear 15 fixed connection is on connecting rod 14, second bevel gear 16 is meshing first bevel gear 15, pivot 17 fixed connection is second bevel gear 16, shell 1 and pivot 17 rotate to be connected, drive gear 18 fixed connection is on pivot 17, drive gear 18 meshing has pinion 19, link 6 and pinion 19 fixed connection, when mercury is heated lets link 6 remove, make pinion 19 remove, thereby let drive gear 18 rotate, be convenient for let pivot 17 rotate, so can let second bevel gear 16 take first bevel gear 15 to rotate, thereby can let connecting rod 14 rotate, so make scraper blade 20 rotate in dust guard 11 department, clear up dust guard 11, prevent that dust guard 11's through-hole 12 from blockking up, the effect of heat dissipation is influenced.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Other parts of the present utility model not described in detail are all of the prior art, and are not described in detail herein.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. An electric tool with temperature alarm function, comprising a housing (1), characterized in that: the inner wall of shell (1) is through little pole fixedly connected with container (2), container (2) fixedly connected with motor (3), the output fixedly connected with work head (4) of motor (3), the inner wall sliding connection of container (2) has piston (5), piston (5) fixedly connected with link (6), link (6) fixedly connected with first gasket (7), shell (1) is provided with bulb (8), one of them pin and first gasket (7) wire of bulb (8) are connected, shell (1) fixedly connected with battery (9), another pin of bulb (8) is connected with the positive wire of battery (9), the negative level of battery (9) is through wire fixedly connected with second gasket (10).

2. The power tool with temperature alarm function according to claim 1, wherein: the container (2) is made of copper material, and the shell (1) and the connecting frame (6) are made of insulating materials.

3. The power tool with temperature alarm function according to claim 1, wherein: one side of the shell (1) is fixedly connected with a dust-proof plate (11), and the dust-proof plate (11) is provided with a through hole (12).

4. The power tool with temperature alarm function according to claim 1, wherein: the output end of the motor (3) is fixedly connected with a fan blade (13).

5. A power tool having a temperature alarm function according to claim 3, wherein: the dustproof plate (11) is rotationally connected with a connecting rod (14), connecting rod (14) fixedly connected with scraper blade (20), scraper blade (20) laminating dustproof plate (11), connecting rod (14) fixedly connected with first bevel gear (15), first bevel gear (15) meshing has second bevel gear (16), second bevel gear (16) fixedly connected with pivot (17), pivot (17) are rotationally connected with shell (1), pivot (17) fixedly connected with drive gear (18), drive gear (18) meshing has pinion rack (19), pinion rack (19) and link (6) fixed connection.