CN215317778U

CN215317778U - Portable grinder

Info

Publication number: CN215317778U
Application number: CN202023052457.7U
Authority: CN
Inventors: 许涛; 乔明国
Original assignee: Dongying Win Win Special Equipment Testing Co ltd
Current assignee: Dongying Win Win Special Equipment Testing Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-12-28
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a portable grinder which comprises a portable grinder main body protective shell, wherein a grinding wheel high-power motor is fixedly arranged at a position close to one side edge in the portable grinder main body protective shell, the output end of the grinding wheel high-power motor is positioned on the lower surface of the portable grinder main body protective shell and is fixedly provided with a grinding wheel, the outer surface of one side of the portable grinder main body protective shell is fixedly provided with a memory metal cooling pipe, the outer surface of the other side of the portable grinder main body protective shell is fixedly provided with a portable handle, the other end of the portable handle is fixedly provided with a movable battery cabin, and the upper surface of the portable grinder main body protective shell is fixedly provided with a cooling liquid injection threaded hole. The portable grinder can effectively reduce the temperature of the surface of a grinding wheel when the grinder works, can quickly dissipate heat generated by an internal power motor through ingenious design, prolongs the service life of the grinder, and is more portable and convenient.

Description

Portable grinder

Technical Field

The utility model relates to the field of grinding machines, in particular to a portable grinding machine.

Background

The grinder is a common apparatus used for sharpening various cutters and tools, it is mainly made up of base, emery wheel, electric motor or other power source, bracket, protective cover and water feeder, etc., it is mainly made up of base, emery wheel, water feeder and power source, the emery wheel is set up in the top surface of the base, the base has space for holding the power source inside, the power source drives a speed reducer, the speed reducer has a drive shaft to pierce through the top surface of the base for firm connection emery wheel, with the development of the times, the portable apparatus receives more and more attention; the existing portable grinding machine has certain defects in use, the internal space is small, the power of a grinding wheel motor is high, heat cannot be effectively dissipated after long-time work, the service life of the motor is influenced, the surface temperature of a grinding wheel is high during grinding, and a grinding tool and the grinding wheel cannot be cooled in time.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a portable grinder which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a portable grinder comprises a portable grinder main body protective shell, wherein a grinding wheel high-power motor is fixedly arranged at a position close to one side edge in the portable grinder main body protective shell, the output end of the grinding wheel high-power motor is fixedly arranged on the lower surface of the portable grinder main body protective shell, a grinding wheel is fixedly arranged on the outer surface of one side of the portable grinder main body protective shell, a memory metal cooling pipe is fixedly arranged on the outer surface of the other side of the portable grinder main body protective shell, a portable handle is fixedly arranged on the outer surface of the other side of the portable grinder main body protective shell, a movable battery cabin is fixedly arranged on the other end of the portable handle, a cooling liquid injection threaded hole is fixedly formed in the upper surface of the portable grinder main body protective shell, a cooling liquid storage bin is fixedly arranged in the portable grinder main body protective shell, a heat dissipation cold air channel is fixedly formed in the portable grinder main body protective shell, the upper surface of the heat dissipation cold air channel is fixedly provided with a control main board inside the portable grinder main body protective shell, and the heat dissipation cold air channel is fixedly provided with a small heat dissipation motor inside.

Preferably, a grinder switch is fixedly mounted on the upper surface of the portable grinder main body protective shell, an auxiliary rubber handle is fixedly mounted on the front surface of the portable grinder main body protective shell, and dustproof ventilation nets are embedded and mounted at two ports of the heat dissipation cold air channel.

Preferably, the positive fixed surface of portable handle installs the antiskid rubber strip, the positive fixed surface of removal battery compartment inlays the equipment and installs power source, the apparent equipment that inlays of removal battery compartment one side installs the removal battery for use.

Preferably, the inside fixed mounting of coolant liquid injection screw hole has the screw thread knob, the positive surface of screw thread knob is located coolant liquid injection screw hole upper end mouth position movable mounting has waterproof rubber packing ring.

Preferably, the coolant liquid is stored storehouse one side and is located the inside fixed mounting of portable grinder main part protecting sheathing and has the booster compressor, the coolant liquid is stored and has the pipeline to link to each other between storehouse and the booster compressor, the coolant liquid is stored storehouse one side surface and is close to lower surface edge fixed mounting and have heat-resisting coolant liquid conveyer pipe.

Preferably, the protective cover is fixedly arranged on the lower surface of the protective shell of the portable grinder main body, the power connecting shaft is movably arranged on one side of the small heat dissipation motor, the heat dissipation blades are fixedly arranged on the front surface of the power connecting shaft, and the heat dissipation column is fixedly arranged on the lower surface of the control main board.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the matching of the arranged cooling liquid storage bin and the supercharger, the cooling liquid stored in the cooling liquid storage bin can be sprayed to the front surface of the grinding wheel through the memory metal cooling pipe to replace a water feeder arranged in a traditional grinder, the heat-resistant cooling liquid conveying pipe in the cooling liquid storage bin surrounds the high-power motor of the grinding wheel to conduct part of heat, the cooling air channel in the cooling liquid conveying pipe is arranged to suck cold air from the joint of the portable handle and the main body protection shell of the portable grinder, scrap iron or other dust can be prevented from entering the inside of the pipeline during grinding, and the separately installed cooling ventilation motor can obtain good cooling capacity.

Drawings

FIG. 1 is a schematic view of the overall structure of a portable grinder of the present invention;

FIG. 2 is a front sectional view of a portable grinder of the present invention;

FIG. 3 is a top cross-sectional view of a portable grinder of the present invention;

fig. 4 is an enlarged view of a portion a of the portable grinder of the present invention shown in fig. 2.

In the figure: 1. a portable grinder main body protective shell; 101. a dust-proof ventilation net; 102. a grinder switch; 103. an auxiliary rubber grip; 2. a portable handle; 201. an anti-slip rubber strip; 3. moving the battery compartment; 301. A power interface; 302. moving the backup battery; 4. injecting cooling liquid into the threaded hole; 401. a threaded knob; 402. a waterproof rubber gasket; 5. a coolant storage bin; 501. a heat-resistant coolant delivery pipe; 502. a supercharger; 6. a grinding wheel; 601. a protective cover; 7. a grinding wheel high-power motor; 8. a small heat-dissipating motor; 801. A power connecting shaft; 802. a heat dissipating fin; 9. a control main board; 901. a heat-dissipating column; 10. a memory metal cooling tube; 11. and a heat dissipation cold air channel.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a portable grinder comprises a portable grinder main body protective casing 1, a grinding wheel high-power motor 7 is fixedly installed inside the portable grinder main body protective casing 1 near one side edge, a grinding wheel 6 is fixedly installed at the output end of the grinding wheel high-power motor 7 on the lower surface of the portable grinder main body protective casing 1, a memory metal cooling pipe 10 is fixedly installed on the outer surface of one side of the portable grinder main body protective casing 1, a portable handle 2 is fixedly installed on the outer surface of the other side of the portable grinder main body protective casing 1, a movable battery compartment 3 is fixedly installed at the other end of the portable handle 2, a cooling liquid injection threaded hole 4 is fixedly arranged on the upper surface of the portable grinder main body protective casing 1, a cooling liquid storage bin 5 is fixedly installed inside the portable grinder main body protective casing 1, and a heat dissipation cold air channel 11 is fixedly arranged inside the portable grinder main body protective casing 1, the upper surface of the heat dissipation cold air channel 11 is fixedly provided with a control mainboard 9 inside the portable grinder main body protective shell 1, and the heat dissipation cold air channel 11 is fixedly provided with a small heat dissipation motor 8 inside;

a grinder switch 102 is fixedly arranged on the upper surface of the portable grinder main body protective shell 1, an auxiliary rubber handle 103 is fixedly arranged on the front surface of the portable grinder main body protective shell 1, and two ports of a heat dissipation cold air channel 11 are provided with a dustproof ventilation net 101 in an embedded manner; the front surface of the portable handle 2 is fixedly provided with an anti-slip rubber strip 201, the front surface of the mobile battery compartment 3 is fixedly embedded with a power interface 301, and the outer surface of one side of the mobile battery compartment 3 is embedded with a mobile standby battery 302; a threaded knob 401 is fixedly installed inside the cooling liquid injection threaded hole 4, and a waterproof rubber gasket 402 is movably installed on the front surface of the threaded knob 401 at the position of the upper port of the cooling liquid injection threaded hole 4; a supercharger 502 is fixedly arranged on one side of the cooling liquid storage bin 5 and positioned inside the portable grinder main body protective shell 1, the cooling liquid storage bin 5 is connected with the supercharger 502 through a pipeline, and a heat-resistant cooling liquid conveying pipe 501 is fixedly arranged on the outer surface of one side of the cooling liquid storage bin 5 and close to the edge of the lower surface; the lower surface of the portable grinder main body protective shell 1 is fixedly provided with a protective cover 601, one side of the small heat dissipation motor 8 is movably provided with a power connecting shaft 801, the front surface of the power connecting shaft 801 is fixedly provided with heat dissipation blades 802, and the lower surface of the control main board 9 is fixedly provided with a heat dissipation column 901.

It should be noted that, the utility model is a portable grinder, when in use, firstly, the power supply is switched on, a certain amount of cooling liquid is injected into the threaded hole 4 through the cooling liquid and enters the internal cooling liquid storage bin 5, the grinder switch 102 controls the grinding wheel high-power motor 7 to work, the memory metal cooling pipe 10 is adjusted to a proper angle, the portable grinder is controlled to grind a workpiece, the internal small-sized heat dissipation motor 8 drives the heat dissipation blades 802 to extract cold air to cool the grinding wheel high-power motor 7, and the air inlet is arranged at one side of the portable handle 2, so that a certain cooling effect can be achieved on the hand of an operator, and the situation that the operator has insecure grasping due to hand sweat caused by long-time work is avoided.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A portable grinder is characterized in that: the portable grinding machine comprises a portable grinding machine main body protective shell (1), a grinding wheel high-power motor (7) is fixedly installed at a position close to one side edge in the portable grinding machine main body protective shell (1), an output end of the grinding wheel high-power motor (7) is located on the lower surface of the portable grinding machine main body protective shell (1) and is fixedly provided with a grinding wheel (6), a memory metal cooling pipe (10) is fixedly installed on the outer surface of one side of the portable grinding machine main body protective shell (1), a portable handle (2) is fixedly installed on the outer surface of the other side of the portable grinding machine main body protective shell (1), a movable battery compartment (3) is fixedly installed on the other end of the portable handle (2), a cooling liquid injection threaded hole (4) is fixedly formed in the upper surface of the portable grinding machine main body protective shell (1), and a cooling liquid storage bin (5) is fixedly installed in the portable grinding machine main body protective shell (1), the portable grinder main body protective casing (1) is internally and fixedly provided with a heat dissipation cold air channel (11), the upper surface of the heat dissipation cold air channel (11) is located inside the portable grinder main body protective casing (1) and is fixedly provided with a control main board (9), and the heat dissipation cold air channel (11) is internally and fixedly provided with a small heat dissipation motor (8).

2. The hand-held grinder of claim 1, wherein: the portable grinder is characterized in that a grinder switch (102) is fixedly mounted on the upper surface of the portable grinder main body protective shell (1), an auxiliary rubber handle (103) is fixedly mounted on the front surface of the portable grinder main body protective shell (1), and dustproof ventilation nets (101) are embedded and mounted at two end openings of the heat dissipation cold air channel (11).

3. The hand-held grinder of claim 1, wherein: portable handle (2) positive fixed surface installs anti-skidding rubber strip (201), the positive fixed surface in mobile battery cabin (3) inlays to be established and installs power source (301), mobile battery cabin (3) one side outward appearance inlays to be equipped with and installs removal battery (302) for use.

4. The hand-held grinder of claim 1, wherein: the cooling liquid is injected the inside fixed mounting of screw hole (4) and is had screw thread knob (401), the positive surface of screw thread knob (401) is located cooling liquid and is injected screw hole (4) upper end mouth position movable mounting and have waterproof rubber packing ring (402).

5. The hand-held grinder of claim 1, wherein: storehouse (5) one side is stored to the coolant liquid and is located portable grinder main part protecting sheathing (1) inside fixed mounting have booster compressor (502), the coolant liquid is stored and has the pipeline to link to each other between storehouse (5) and booster compressor (502), the coolant liquid is stored storehouse (5) one side surface and is close to lower surface edge position fixed mounting and have heat-resistant coolant liquid conveyer pipe (501).

6. The hand-held grinder of claim 1, wherein: the portable grinder main body protective casing (1) lower fixed surface installs safety cover (601), small-size heat dissipation motor (8) one side movable mounting has power connecting axle (801), the positive fixed surface of power connecting axle (801) installs radiator vane (802), control mainboard (9) lower fixed surface installs heat dissipation post (901).