CN219075240U

CN219075240U - Angle grinder

Info

Publication number: CN219075240U
Application number: CN202222973967.0U
Authority: CN
Inventors: 徐雅彬; 林文清; 吕国良; 周训喜; 崔国华; 吴浩
Original assignee: Yongkang Kaiyuan Power Tools Co ltd
Current assignee: Yongkang Kaiyuan Power Tools Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-05-26
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses an angle grinder, which comprises a shell and a driving motor, wherein the driving motor is fixedly arranged in one end of the shell, a front end support frame is fixedly arranged at one end of the shell, which is close to the driving motor, a rotating shaft is rotatably connected to the front end support frame, a driven gear is fixedly sleeved at the upper end of the rotating shaft, a transmission shaft is fixedly connected to the rotating shaft end of the driving motor, a driving gear is fixedly connected to one end, which is far away from the driving motor, of the transmission shaft, the driving gear is meshed with the driven gear, and a grinding wheel is fixedly arranged at one end, which is far away from the driven gear, of the rotating shaft; according to the utility model, the grinding wheel is arranged right in front of the machine shell, so that the longitudinal height of the angle grinder is effectively reduced, the angle grinder can extend into a space with a relatively narrow height for operation, and the operation space of the angle grinder is enriched.

Description

Angle grinder

Technical Field

The utility model relates to the technical field of angle grinders, in particular to an angle grinder.

Background

The grinding wheel of the existing angle grinder is arranged right below the front end of the machine body, so that the front end of the angle grinder is higher, the angle grinder cannot work in a narrow space, the use environment is limited, the grinding effect is greatly reduced, and the angle grinder is proposed.

Disclosure of Invention

It is an object of the present utility model to provide an angle grinder that solves or at least alleviates one or more of the above-mentioned problems and other problems of the prior art.

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

the angle grinder comprises a shell and a driving motor, wherein the driving motor is fixedly arranged inside one end of the shell, the shell is close to a front end support frame fixedly arranged in front of one end of the driving motor, a rotating shaft is rotationally connected to the front end support frame, a driven gear is fixedly sleeved at the upper end of the rotating shaft, a transmission shaft is fixedly connected to the rotating shaft end of the driving motor, a driving gear is fixedly connected to one end of the transmission shaft, which is far away from the driving motor, and is meshed with the driven gear, and a grinding wheel is fixedly arranged at one end, which is far away from the driven gear, of the rotating shaft.

In the angle grinder according to the present utility model, optionally, a protecting case is fixedly installed at one end of the housing near the driving motor by means of screws, and the driven gear, the driving gear and the driving shaft are all located inside the protecting case.

In the angle grinder according to the present utility model, optionally, a protective cover is fixedly installed on the front end support frame, and the protective cover is located between the grinding wheel and the driven gear.

In the angle grinder according to the present utility model, optionally, an impeller is fixedly sleeved on the transmission shaft, the impeller is located inside the casing, and a heat dissipation hole is formed below the casing located on the impeller.

In the angle grinder according to the present utility model, optionally, a switch for controlling the start and stop of the driving motor is provided on an outer wall of an upper end of the housing.

In the angle grinder according to the present utility model, optionally, an auxiliary handle is fixedly connected to an end of the housing near the driving motor.

In the angle grinder according to the present utility model, optionally, the auxiliary handle is fixedly connected with the driving motor through a screw.

In the angle grinder according to the utility model, optionally, a battery for supplying power is detachably inserted into an end of the housing remote from the drive motor.

The utility model has at least the following beneficial effects:

according to the utility model, the grinding wheel is arranged right in front of the machine shell, so that the longitudinal height of the angle grinder is effectively reduced, the angle grinder can extend into a space with a relatively narrow height for operation, and the operation space of the angle grinder is enriched.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of the present utility model;

fig. 3 is a schematic view of a partial explosion structure of the present utility model.

Reference numerals illustrate:

1. a housing; 2. a driving motor; 3. a front end support frame; 4. a transmission shaft; 5. a drive gear; 6. a rotating shaft; 7. a driven gear; 8. grinding wheel; 9. a protective cover; 10. an impeller; 11. a switch; 12. a battery; 13. a protective shell; 14. an auxiliary handle.

Detailed Description

The embodiments of the present application will be described in detail below with reference to the accompanying drawings and examples, so that the implementation process of how the technical means are applied to solve the technical problems and achieve the technical effects of the present application can be fully understood and implemented accordingly.

Referring to fig. 1 to 3, in the embodiment of the present utility model,

the angle grinder comprises a machine shell 1 and a driving motor 2, wherein the driving motor 2 is fixedly arranged inside one end of the machine shell 1, a front end supporting frame 3 is arranged at the front end of the machine shell 1, which is close to the driving motor 2, a rotating shaft 6 is rotatably connected to the front end supporting frame 3, a driven gear 7 is fixedly sleeved at the upper end of the rotating shaft 6, a driving shaft 4 is fixedly connected to the rotating shaft end of the driving motor 2, a driving gear 5 is fixedly connected to one end of the driving shaft 4, which is far away from the driving motor 2, the driving gear 5 is meshed with the driven gear 7, and a grinding wheel 8 is fixedly arranged at one end of the rotating shaft 6, which is far away from the driven gear 7.

Through the angle grinder adopting the technical scheme, the grinding wheel 8 is arranged right in front of the machine shell 1, so that the longitudinal height of the angle grinder is effectively reduced, the angle grinder can extend into a relatively narrow space for operation, and the operation space of the angle grinder is enriched.

Wherein, fixed mounting has protection casing 9 on the front end support frame 3, and protection casing 9 is located between grinding wheel 8 and driven gear 7, through the protection casing 9 of setting up, effectively avoids polishing the piece that produces to beat on operating personnel and driven gear 7 and the driving gear 5.

Wherein, fixed cover is equipped with impeller 10 on the transmission shaft 4, and impeller 10 is located the inside of casing 1, and the louvre has been seted up to the below that casing 1 is located impeller 10, through the impeller 10 of setting, can give off the external world with the heat that produces when driving motor 2 polishes, improves driving motor 2's life.

Wherein, the upper end outer wall of casing 1 is provided with the switch 11 that is used for controlling driving motor 2 to start and stop, through setting up switch 11 in the upper end of casing 1 be convenient for operating personnel with the finger push switch 11, it is more convenient to operate.

In order to improve the stability of an operator holding the angle grinder, one end of the machine shell 1, which is close to the driving motor 2, is fixedly connected with the auxiliary handle 14, and when the angle grinder is used, the operator holds the auxiliary handle 14 by one hand and holds the rear end of the machine shell 1 by the other hand, so that the auxiliary handle 14 is convenient to assemble and disassemble, and the auxiliary handle 14 is fixedly connected with the driving motor 2 through threads.

In order to improve the applicability of the angle grinder, the end, far away from the driving motor 2, of the shell 1 is detachably connected with a battery 12 for supplying power, and an external power supply can be omitted when the angle grinder is used.

Example 2

The difference between this embodiment and embodiment 1 is that, in order to avoid the operator being injured by the driving gear 5 and the driven gear 7 which rotate during the operation of the angle grinder, the protecting shell 13 is fixedly mounted at one end of the casing 1, which is close to the driving motor 2, through screws, and the driven gear 7, the driving gear 5 and the transmission shaft 4 are all located inside the protecting shell 13.

In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.

Working principle: when the polishing device is used, the switch 11 is pushed, the driving motor 2 is powered on, the driving motor 2 drives the polishing wheel 8 to rotate through the driving gear 5 and the driven gear 7, and then the polishing wheel 8 stretches into a space needing polishing, so that polishing operation can be performed on the surface of an object.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept, either as a result of the foregoing teachings or as a result of the knowledge or skills of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. The angle grinder is characterized by comprising a machine shell (1) and a driving motor (2), wherein the driving motor (2) is fixedly arranged inside one end of the machine shell (1), the machine shell (1) is close to a front end support frame (3) fixedly arranged in front of one end of the driving motor (2), a rotating shaft (6) is rotationally connected to the front end support frame (3), a driven gear (7) is fixedly sleeved at the upper end of the rotating shaft (6), a transmission shaft (4) is fixedly connected to the rotating shaft end of the driving motor (2), one end of the transmission shaft (4) away from the driving motor (2) is fixedly connected with a driving gear (5), the driving gear (5) is meshed with the driven gear (7), and a grinding wheel (8) is fixedly arranged at one end of the rotating shaft (6) away from the driven gear (7).

2. An angle grinder as claimed in claim 1, wherein: one end of the shell (1) close to the driving motor (2) is fixedly provided with a protective shell (13) through a screw, and the driven gear (7), the driving gear (5) and the transmission shaft (4) are all positioned in the protective shell (13).

3. An angle grinder as claimed in claim 2, wherein: a protective cover (9) is fixedly arranged on the front end supporting frame (3), and the protective cover (9) is positioned between the grinding wheel (8) and the driven gear (7).

4. An angle grinder as claimed in claim 1, wherein: the impeller (10) is fixedly sleeved on the transmission shaft (4), the impeller (10) is positioned inside the shell (1), and a heat dissipation hole is formed in the position, below the impeller (10), of the shell (1).

5. An angle grinder as defined in claim 4, wherein: the outer wall of the upper end of the shell (1) is provided with a switch (11) for controlling the start and stop of the driving motor (2).

6. An angle grinder as claimed in claim 1, wherein: and one end of the shell (1) close to the driving motor (2) is fixedly connected with an auxiliary handle (14).

7. An angle grinder as defined in claim 6, wherein: the auxiliary handle (14) is fixedly connected with the driving motor (2) through threads.

8. An angle grinder as claimed in claim 1, wherein: one end of the shell (1) far away from the driving motor (2) is detachably inserted with a battery (12) for supplying power.