CN218984312U

CN218984312U - Rotatable angle grinder

Info

Publication number: CN218984312U
Application number: CN202223408321.4U
Authority: CN
Inventors: 居志帅; 孔翠芳; 白恩婷; 居志禹
Original assignee: Zhongtian Tianjin Architectural Decoration Engineering Co ltd
Current assignee: Zhongtian Tianjin Architectural Decoration Engineering Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-09
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a rotatable angle grinder, which belongs to the technical field of angle grinders, and comprises a main handle, wherein a power supply seat is fixedly arranged at one end of the main handle, a primary rotation adjusting assembly is arranged at the other end of the main handle, an auxiliary control box is movably connected with the primary rotation adjusting assembly, a secondary rotation adjusting assembly is arranged on the auxiliary control box, an angle grinder head is movably connected with the secondary rotation adjusting assembly, an auxiliary handle is fixedly arranged on the side surface of the main handle, so that the energy consumption of a worker during the work of a grinder can be reduced, the practical effect of the grinder is enhanced, and the working effect of the angle grinder is enhanced under the condition that a working surface to be ground is ground.

Description

Rotatable angle grinder

Technical Field

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

Background

An angle grinder, also called a grinder or a disc grinder, is a grinding tool for cutting and grinding glass fiber reinforced plastics. The angle grinder is a portable electric tool for cutting and polishing glass fibre reinforced plastic, and is mainly used for cutting, grinding and brushing metal and stone material.

Based on the above, the present inventors found that:

when polishing work is performed by using an angle grinder, if a conventional angle grinder is used, certain use defects may be caused when a workpiece to be polished for some special cases is used:

1. the traditional angle grinder does not have the function of angle adjustment, and aiming at certain workpieces to be ground with a plurality of inclined planes, the angles of the handheld positions need to be frequently converted, so that the energy consumption of workers during the work of the grinder is increased;

2. when the angle grinder is used for polishing to-be-polished work at a position with small working space, the handle part of the polisher has a certain space for reminding, so that the condition that certain working surfaces cannot be polished possibly occurs when the angle of the head of the angle grinder is adjusted, and the working effect of the angle grinder is further reduced.

Accordingly, in view of the above, research and improvement on the conventional structure is performed to provide a rotatable angle grinder for achieving the purpose of more practical value.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a rotatable angle grinder, which can reduce the energy consumption of workers during the work of a grinder, enhance the practical effect of the grinder, and simultaneously enhance the working effect of the angle grinder under the condition that the working surface to be ground is ground.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The rotatable angle grinder comprises a main handle, wherein a power supply seat is fixedly arranged at one end of the main handle, a primary rotary adjusting assembly is arranged at the other end of the main handle, an auxiliary control box is movably connected with the primary rotary adjusting assembly, a secondary rotary adjusting assembly is arranged on the auxiliary control box, an angle grinder head is movably connected with the secondary rotary adjusting assembly, and an auxiliary handle is fixedly arranged on the side face of the main handle;

the primary rotation adjusting assembly comprises a stepping motor fixed in the main handle, the output end of the stepping motor is connected with a transmission shaft through a coupling in a transmission way, and one end of the transmission shaft penetrates through the main handle and is fixedly connected with one side of the auxiliary control box;

the secondary rotation adjusting assembly comprises a first movable head fixed on one side of the auxiliary control box and a second movable head fixed on the top end of the angle grinder head, a hydraulic telescopic rod is movably connected between the first movable head and the second movable head, a rotary joint is fixedly arranged on one side of the angle grinder head, and a movable clamping groove which is movably connected with the rotary joint in a matched mode is formed in the bottom end of the auxiliary control box.

Further, a limit joint is fixedly arranged on the side face of the transmission shaft, and a hole groove which is matched with the limit joint and the transmission shaft is formed in the main handle.

Further, the angle rotation range of the stepping motor is-45 degrees to 45 degrees.

Further, the movable joints are fixedly arranged at the two ends of the hydraulic telescopic rod, one end of the hydraulic telescopic rod is movably connected with the first movable head in a matched mode through one movable joint, and the other end of the hydraulic telescopic rod is movably connected with the second movable head in a matched mode through the other movable joint.

Further, the change range of the included angle between the angle grinder head and the auxiliary control box is 75-150 degrees.

Further, the side of the main handle is sleeved with an anti-skid sleeve.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) According to the scheme, when the angle grinder head is used for grinding, aiming at certain workpieces to be ground with a plurality of inclined planes, the inclination angle between the auxiliary control box and the main handle is controlled by the stepping motor in the primary rotation adjusting assembly, and the inclination angle between the auxiliary control box and the adhesive film grinder head is controlled by the hydraulic telescopic rod in the secondary rotation adjusting assembly, so that the handheld position of the angle grinder during operation is not required to be adjusted, the energy consumption of staff during operation of the grinding machine is effectively reduced, and the practical effect of the grinding machine is enhanced;

(2) According to the scheme, when the angle grinder is used at a position with small working space to polish the work to be polished, the work of the primary rotary adjusting component and the secondary rotary adjusting component can be controlled through the key on the main handle, and the working range of the angle grinder head can be effectively enlarged through the cooperation of the primary rotary adjusting component and the secondary rotary adjusting component, meanwhile, when the working range of the angle grinder head is changed, the whole occupied space range of the angle grinder is affected less, and the working effect of the angle grinder is enhanced under the condition that the working face of the work to be polished is guaranteed to be polished.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of a second perspective structure of the present utility model;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic view of a primary rotation adjustment assembly of the present utility model.

The reference numerals in the figures illustrate:

1. a main handle; 1-1, a hole groove; 1-2, an anti-slip sleeve;

2. a power supply socket;

3. a primary rotation adjustment assembly; 3-1, a stepping motor; 3-2, a transmission shaft; 3-21, limiting joints;

4. an auxiliary control box; 4-1, a movable clamping groove;

5. a secondary rotation adjustment assembly; 5-1, a first movable head; 5-2, a second movable head; 5-3, hydraulic telescopic rod; 5-31, movable joints;

6. the head of the angle grinder; 6-1, rotating joints;

7. an auxiliary handle.

Detailed Description

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; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples:

referring to fig. 1-4, a rotatable angle grinder comprises a main handle 1, wherein a power supply seat 2 is fixedly arranged at one end of the main handle 1, a primary rotation adjusting assembly 3 is arranged at the other end of the main handle 1, a secondary control box 4 is movably connected with the primary rotation adjusting assembly 3, a secondary rotation adjusting assembly 5 is arranged on the secondary control box 4, an angle grinder head 6 is movably connected with the secondary rotation adjusting assembly 5, and an auxiliary handle 7 is fixedly arranged at the side surface of the main handle 1;

when the angle grinder is used, the power supply seat 2 is used for connecting a power supply, one hand holds the main handle 1, the other hand holds the auxiliary handle 7, then the first-stage rotation adjusting assembly 3 is used for adjusting the angles of the auxiliary control box 4 and the angle grinder head 6 for the first time, the auxiliary control box 4 is matched with the second-stage rotation adjusting assembly 5 for adjusting the angle of the angle grinder head 6 for the second time, the rotation control of the angle grinder head 6 is realized, and the operation range of the angle grinder head 6 is further increased;

the primary rotation adjusting assembly 3 comprises a stepping motor 3-1 fixed in the main handle 1, the output end of the stepping motor 3-1 is in transmission connection with a transmission shaft 3-2 through a coupler, and one end of the transmission shaft 3-2 penetrates through the main handle 1 and is fixedly connected with one side of the auxiliary control box 4;

when the stepping motor 3-1 works, the transmission shaft 3-2 can be controlled to rotate, so that the auxiliary control box 4 integrally fixed with the transmission shaft 3-2 is controlled to rotate, and the angle rotation adjustment between the whole auxiliary control box 4 and the angle grinder head 6 and the main handle 1 is realized;

the secondary rotation adjusting assembly 5 comprises a first movable head 5-1 fixed on one side of the auxiliary control box 4 and a second movable head 5-2 fixed on the top end of the angle grinder head 6, a hydraulic telescopic rod 5-3 is movably connected between the first movable head 5-1 and the second movable head 5-2, a rotary joint 6-1 is fixedly arranged on one side of the angle grinder head 6, and a movable clamping groove 4-1 which is movably connected with the rotary joint 6-1 in a matched mode is formed in the bottom end of the auxiliary control box 4;

one end of the hydraulic telescopic rod 5-3 is movably connected with the auxiliary control box 4 through the first movable head 5-1, the other end of the hydraulic telescopic rod is movably connected with the angle grinder head 6 through the second movable head 5-2, and at the moment, the angle between the auxiliary control box 4 and the angle grinder head 6 can be adjusted by changing the length of the hydraulic telescopic rod 5-3 and matching with the free rotation of the rotary joint 6-1 in the movable clamping groove 4-1.

Referring to fig. 4, a limit joint 3-21 is fixedly arranged on the side surface of a transmission shaft 3-2, and a hole groove 1-1 which is matched with the limit joint 3-21 and the transmission shaft 3-2 for movement is formed in the main handle 1;

the limiting joint 3-21 rotates freely in the hole groove 1-1, and when the transmission shaft 3-2 rotates, the setting of the limiting joint 3-21 can improve the stability of the transmission shaft 3-2 during rotation.

Referring to fig. 1 and 2, the angular rotation range of the stepping motor 3-1 is-45 ° to 45 °;

the angular rotation range of the stepping motor 3-1 corresponds to the angular adjustment range of the sub control box 4.

Referring to fig. 2 and 3, two ends of the hydraulic telescopic rod 5-3 are fixedly provided with movable joints 5-31, one end of the hydraulic telescopic rod 5-3 is movably connected with the first movable head 5-1 in a matched manner through one movable joint 5-31, and the other end of the hydraulic telescopic rod 5-3 is movably connected with the second movable head 5-2 in a matched manner through the other movable joint 5-31;

when the hydraulic telescopic rod 5-3 is prolonged, the angles between the movable joint 5-31 and the first movable head 5-1 or the second movable head 5-2 are adaptively changed, at the moment, the hydraulic telescopic rod 5-3, the auxiliary control box 4 and the angle grinder head 6 form a triangle, and when the length of the hydraulic telescopic rod 5-3 is changed, the rotary joint 6-1 rotates in the movable clamping groove 4-1, and the angles are adaptively changed, so that the angle adjustment between the angle grinder head 6 and the auxiliary control box 4 is realized.

Referring to fig. 1 and 2, the variation range of the included angle between the angle grinder head 6 and the auxiliary control box 4 is 75-150 degrees;

the included angle between the angle grinder head 6 and the auxiliary control box 4 is changed, namely the inclined angle of the angle grinder head 6 is correspondingly changed, and the working range of the angle grinder head 6 is increased.

Referring to fig. 1, an anti-slip sleeve 1-2 is sleeved on the side surface of a main handle 1;

by utilizing the anti-skid sleeve 1-2, the friction force of the hand when holding the main handle 1 can be increased, the phenomenon of hand skid when the angle grinder works is avoided, and the stability of the angle grinder when working is improved.

When in use:

when the angle grinder is used for polishing a workpiece to be polished, a power supply is connected by the power supply base 2, one hand holds the anti-slip sleeve 1-2 part of the main handle 1, the other hand holds the auxiliary handle 7, and when the angle grinder head 6 approaches the workpiece to be polished, the first-stage rotation adjusting component 3 can be controlled by a key on the main handle 1 to adjust the angles of the auxiliary control box 4 and the angle grinder head 6 for the first time, specifically: the stepping motor 3-1 works, controls the transmission shaft 3-2 and the limiting joint 3-21 to rotate in the hole groove 1-1, and further controls the auxiliary control box 4 integrally fixed with the transmission shaft 3-2 to rotate, so that the angle rotation adjustment between the auxiliary control box 4 and the whole angle grinder head 6 and the main handle 1 is realized;

simultaneously, the angle of the angle grinder head 6 can be adjusted for the second time by utilizing the auxiliary control box 4 in combination with the secondary rotation adjusting component 5, so that the rotation control of the angle grinder head 6 is realized, and the operation range of the angle grinder head 6 is further increased, specifically: because one end of the hydraulic telescopic rod 5-3 is movably connected with the auxiliary control box 4 through the first movable head 5-1, and the other end of the hydraulic telescopic rod is movably connected with the angle grinder head 6 through the second movable head 5-2, the length of the hydraulic telescopic rod 5-3 is changed at the moment, and the angle between the auxiliary control box 4 and the angle grinder head 6 can be adjusted by matching with the free rotation of the rotary joint 6-1 in the movable clamping groove 4-1;

therefore, when the angle grinder works, the movable range of the angle grinder head 6 is effectively increased, the polishing work of the angle grinder on a workpiece to be polished is realized, and the polishing effect is improved.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The utility model provides a rotatable angle mill, includes main handle (1), its characterized in that: one end of the main handle (1) is fixedly provided with a power supply base (2), the other end of the main handle (1) is provided with a primary rotation adjusting component (3), an auxiliary control box (4) is movably connected with the primary rotation adjusting component (3), a secondary rotation adjusting component (5) is arranged on the auxiliary control box (4), an angle grinder head (6) is movably connected with the secondary rotation adjusting component (5), and an auxiliary handle (7) is fixedly arranged on the side face of the main handle (1);

the primary rotation adjusting assembly (3) comprises a stepping motor (3-1) fixed in the main handle (1), the output end of the stepping motor (3-1) is connected with a transmission shaft (3-2) through a coupling in a transmission way, and one end of the transmission shaft (3-2) penetrates through the main handle (1) and is fixedly connected with one side of the auxiliary control box (4);

the secondary rotation adjusting assembly (5) comprises a first movable head (5-1) fixed on one side of the auxiliary control box (4) and a second movable head (5-2) fixed on the top end of the angle grinder head (6), a hydraulic telescopic rod (5-3) is movably connected between the first movable head (5-1) and the second movable head (5-2), a rotary joint (6-1) is fixedly arranged on one side of the angle grinder head (6), and a movable clamping groove (4-1) which is movably connected with the rotary joint (6-1) in a matched mode is formed in the bottom end of the auxiliary control box (4).

2. A rotatable angle grinder as claimed in claim 1, wherein: the side of the transmission shaft (3-2) is fixedly provided with a limit joint (3-21), and a hole groove (1-1) which is matched with the limit joint (3-21) and the transmission shaft (3-2) for moving is formed in the main handle (1).

3. A rotatable angle grinder as claimed in claim 1, wherein: the angle rotation range of the stepping motor (3-1) is-45 degrees to 45 degrees.

4. A rotatable angle grinder as claimed in claim 1, wherein: the two ends of the hydraulic telescopic rod (5-3) are fixedly provided with movable joints (5-31), one end of the hydraulic telescopic rod (5-3) is movably connected with the first movable head (5-1) in a matched mode through one movable joint (5-31), and the other end of the hydraulic telescopic rod (5-3) is movably connected with the second movable head (5-2) in a matched mode through the other movable joint (5-31).

5. A rotatable angle grinder as claimed in claim 1, wherein: the change range of the included angle between the angle grinder head (6) and the auxiliary control box (4) is 75-150 degrees.

6. A rotatable angle grinder as claimed in claim 1, wherein: an anti-slip sleeve (1-2) is sleeved on the side face of the main handle (1).