Vibration and noise reduction angle grinder

Abstract

The utility model relates to the technical field of angle grinders, in particular to a vibration and noise reduction angle grinder which comprises a main body, a motor is installed on the inner side of the main body, an outer cover is fixedly installed on the lower side of the head end of the main body, a grinding piece is installed on the lower side of the outer cover, and a handle is fixedly installed on the front face of the head end of the main body. A vibration reduction structure is installed on the outer side of the handle and comprises a fixing block, the fixing block is fixedly connected to the front face of the handle, limiting sliding blocks are arranged on the two sides of the front end of the fixing block, vibration reduction springs are fixedly connected to the upper face and the lower face of the fixing block, and a damper is installed on one side of each vibration reduction spring. According to the angle grinder, the vibration reduction structure is installed on the handle at the head end of the main body, the influence on the hand pressing the head end of the angle grinder during vibration can be greatly relieved, meanwhile, the outer cover can be better attached to the machining face by pressing the vibration reduction structure, the use effect of the angle grinder is further guaranteed, and the angle grinder is more practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to angle grinder technical field, concretely is a kind of vibration reduction and noise reduction angle grinder. BACKGROUND

[0002] Angle grinder is also called grinding machine or disc grinder, it is a kind of abrasive tool for glass steel cutting and grinding, mainly used for cutting, grinding and brushing metal and stone, etc., when using angle grinder, one hand holds the main body, and the other hand holds and presses handle to resist the vibration generated when angle grinder operates.

[0003] For this, China application patent number: CN202022717783.9, discloses a dust reduction and vibration reduction angle grinder, including angle grinder body, the one end of angle grinder body is equipped with abrasive disc and booster handle, the outside of abrasive disc is equipped with abrasive disc protective cover, the top of abrasive disc protective cover is equipped with dust collector, the input end of dust collector is communicated with the inside of abrasive disc protective cover, the bottom of angle grinder body is equipped with connecting pipe, one end of connecting pipe is equipped with through hole, the inside of through hole is communicated with connecting pipe, dust collector and connecting pipe are equipped with dust guide pipe, one end of dust guide pipe is connected with the output end of dust collector, the other end of dust guide pipe is connected with through hole, the other end of connecting pipe is equipped with dust storage box;The other end of angle grinder body is equipped with cross bar, the middle of cross bar is equipped with fixed plate, two springs are sleeved on cross bar, two springs are respectively arranged on the both sides of fixed plate, the outside of cross bar is also sleeved with handle, the both ends of handle are equipped with elastic sleeve.The utility model discloses through the setting of overall structure, so that the angle grinder has the effect of shock absorption and dust reduction.

[0004] The angle grinder can slow down the vibration of the angle grinder by installing springs at the handle, but the handle is located at the tail end of the angle grinder body, and the vibration source of the angle grinder is mainly located at the abrasive disc part of the head end, so the shock absorption effect of the angle grinder is not ideal, and there is limitation in use.

[0005] Therefore, in order to solve the above problems, a vibration reduction and noise reduction angle grinder is provided. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of vibration reduction and noise reduction angle grinder, to solve the problem that the angle grinder mentioned in the above background art is installed with spring at handle, can slow down the vibration of angle grinder, but handle is located at the tail end of angle grinder body, and vibration source of angle grinder is mainly located at the abrasive disc part of head end, shock absorption effect of angle grinder is not ideal, and there is limitation in use.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of vibration reduction and noise reduction angle grinder, comprising: main body, the inside of main body is installed with motor, the first end lower side of main body is fixedly installed with outer cover, the lower side of outer cover is installed with abrasive disc, the first end front of main body is fixedly installed with handle;

[0008] The outer side of the handle is provided with a damping structure, the damping structure comprises a fixed block, the fixed block is fixedly connected to the front surface of the handle, limit sliding blocks are arranged on the front end of the two sides of the fixed block, damping springs are fixedly connected to the upper and lower surfaces of the fixed block, dampers are arranged on one side of the damping springs, an outer gripping sleeve is arranged on the outer side of the fixed block, an active cavity is formed in the inner side of the outer gripping sleeve, a sliding cavity is formed in the inner front end of the active cavity, a rubber sleeve is arranged on the outer side of the handle, and a hand cover is fixedly arranged on the top surface of the outer cover.

[0009] Preferably, the inner wall of the motor is paved with a honeycomb sound-absorbing pad.

[0010] Preferably, the handle is arranged on the upper side of the grinding piece.

[0011] Preferably, the fixed block is movably arranged in the active cavity, and the limit sliding blocks are slidably arranged in the sliding cavity.

[0012] Preferably, one end of the damping spring is fixedly connected to the inner wall of the active cavity, the dampers are fixedly arranged on the upper and lower surfaces of the fixed block, one end of the damper is fixedly connected to the inner wall of the active cavity, and one end of the rubber sleeve is fixedly connected to the rear wall of the active cavity.

[0013] Preferably, the honeycomb sound-absorbing pad is arranged on the outer side of the motor.

[0014] Compared with the prior art, the angle grinder has the advantages that: the damping structure arranged on the handle at the first end of the main body can greatly reduce the influence of vibration on the hand pressing the first end of the angle grinder, the outer cover can be more closely attached to the processing surface by pressing the damping structure, the use effect of the angle grinder is further ensured, and the angle grinder is more practical.

[0015] 1. The damping structure, the damping spring can reduce the vibration of the main body and the influence of the vibration on the hand holding the outer gripping sleeve, the user's holding experience can be improved, the damper can make the outer gripping sleeve and the fixed block stable, the vibration of the main body can be controlled, the rubber sleeve is arranged at the connection between the handle and the outer gripping sleeve, foreign matters are prevented from entering the active cavity, and the hand cover is arranged on the lower side to protect the hand holding the outer gripping sleeve, and the safety during use is ensured.

[0016] 2. The honeycomb sound-absorbing pad is arranged on the inner wall of the honeycomb sound-absorbing pad on the outer side of the motor, noise generated during the operation of the motor can be absorbed, the effect of noise reduction is achieved, and the practicability of the device is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure front view schematic diagram of the main body of the utility model;

[0018] Figure 2 It is the structure side view section schematic view of the main body of the utility model;

[0019] Figure 3 It is the structure explosion schematic view of the damping structure of the utility model;

[0020] Figure 4 It is the structure section schematic view of the sliding cavity of the utility model.

[0021] In the drawing: 1, main body;11, motor;12, cover;13, abrasive disc;14, handle;2, damping structure;21, fixed block;22, limit sliding block;23, damping spring;24, damper;25, outer sleeve;26, movable cavity;27, sliding cavity;28, rubber sleeve;29, hand cover;3, honeycomb sound-absorbing pad. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 An embodiment provided by the utility model:

[0024] The main body 1, motor 11, cover 12, abrasive disc 13, handle 14 and damper 24 used in the application are products that can be directly purchased in the market, and their principles and connection modes are all prior art well known to those skilled in the art, so they will not be described here.

[0025] A damping and noise reduction angle grinder, comprising: a main body 1, the inner side of the main body 1 is provided with a motor 11, the first end of the main body 1 is fixedly provided with a cover 12 at the lower side, the lower side of the cover 12 is provided with an abrasive disc 13, the first end of the main body 1 is fixedly provided with a handle 14 at the front side;

[0026] The outer side of the handle 14 is provided with a damping structure 2, the damping structure 2 comprises a fixed block 21, the fixed block 21 is fixedly connected to the front surface of the handle 14, the front end of the fixed block 21 is provided with a limiting sliding block 22 on both sides, the upper and lower surfaces of the fixed block 21 are fixedly connected with damping springs 23, one side of the damping spring 23 is provided with a damper 24, the outer side of the fixed block 21 is sleeved with an outer grip sleeve 25, the inner side of the outer grip sleeve 25 is provided with a movable cavity 26, the inner side of the movable cavity 26 is provided with a sliding cavity 27, the outer side of the handle 14 is sleeved with a rubber sleeve 28, the top surface of the outer cover 12 is fixedly provided with a hand cover 29, the damping structure 2 is installed on the handle 14 at the first end position of the main body 1, which can greatly reduce the influence of vibration on the hand pressing the first end of the angle grinder, and by pressing the damping structure 2, the outer cover 12 can be more closely attached to the machining surface, further ensuring the use effect of the angle grinder, and being more practical.

[0027] Further, the inner wall of the motor 11 is provided with a honeycomb sound-absorbing pad 3, which can absorb the noise generated by the motor 11, and has a noise reduction effect, further improving the practicality of the device.

[0028] Further, the handle 14 is installed on the upper side of the grinding piece 13, and the damping structure 2 on the outer side of the handle 14 can make the grinding piece 13 better adhere to the machining surface.

[0029] Further, the fixed block 21 is movably installed in the movable cavity 26, the limiting sliding block 22 is slidably installed in the sliding cavity 27, the movable cavity 26 and the sliding cavity 27 can be moved in the movable cavity 26 and the sliding cavity 27 respectively, and the outer grip sleeve 25 can move up and down on the outer side of the fixed block 21.

[0030] Further, one end of the damping spring 23 is fixedly connected with the inner wall of the movable cavity 26, the damper 24 is fixedly installed on the upper and lower surfaces of the fixed block 21, one end of the damper 24 is fixedly connected with the inner wall of the movable cavity 26, and one end of the rubber sleeve 28 is fixedly connected with the rear wall of the movable cavity 26, the damping spring 23 can reduce the influence of vibration on the hand holding the outer grip sleeve 25, the damper 24 provides conditions for the stability of the outer grip sleeve 25, and the rubber sleeve 28 can block foreign matters from entering the movable cavity 26.

[0031] Further, the honeycomb sound-absorbing pad 3 is sleeved on the outer side of the motor 11, and the honeycomb sound-absorbing pad 3 can absorb the noise generated by the motor 11 on the outer side.

[0032] Working principle: when in use, the user holds the main body 1 and the outer holding sleeve 25, and by pressing the outer holding sleeve 25, the abrasive disc 13 at the first end of the main body 1 can be driven to tightly contact the processing surface, when vibrating, the damping spring 23 can reduce the vibration of the main body 1 to the hand holding the outer holding sleeve 25, which can improve the holding experience of the user, and the damper 24 can make the outer holding sleeve 25 and the fixed block 21 tend to be stable, avoid the vibration of the main body 1 being uncontrollable, at the same time, the rubber sleeve 28 is sleeved at the connection between the handle 14 and the outer holding sleeve 25, which can avoid foreign matters from entering the movable cavity 26, and the hand cover 29 is arranged to protect the hand holding the outer holding sleeve 25 from below, which ensures the safety of use.

[0033] When using the angle grinder, the operation of the motor 11 will produce noise, and the honeycomb sound-absorbing pad 3 is laid on the inner wall of the outer side of the motor 11, which can absorb noise and reduce noise, further improving the practicability of the device.

[0034] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A vibration-reducing and noise-reducing angle grinder, comprising: A main body (1), a motor (11) is installed on the inner side of the main body (1), an outer cover (12) is fixedly installed on the lower side of the head end of the main body (1), a grinding disc (13) is installed on the lower side of the outer cover (12), and a handle (14) is fixedly installed on the front side of the head end of the main body (1); Its characteristics are: A vibration damping structure (2) is installed on the outside of the handle (14), and the vibration damping structure (2) includes a fixed block (21), the fixed block (21) is fixedly connected to the front side of the handle (14), and limiting sliders (22) are provided on both sides of the front end of the fixed block (21), and the upper and lower surfaces of the fixed block (21) are fixedly connected to the vibration damping spring (23), and a damper (24) is installed on one side of the vibration damping spring (23). The outer side of the fixed block (21) is provided with an outer grip sleeve (25), and the interior of the outer grip sleeve (25) is provided with an active cavity (26), and the inner front end of the active cavity (26) is provided with a sliding cavity (27). The outer side of the handle (14) is provided with a rubber sleeve (28), and the top surface of the outer cover (12) is fixedly provided with a hand cover (29).

2. The vibration-reducing and noise-reducing angle grinder according to claim 1, characterized in that: A honeycomb sound-absorbing pad (3) is laid on the inner wall of the motor (11).

3. The vibration-reducing and noise-reducing angle grinder according to claim 1, characterized in that: The handle (14) is mounted on the upper side of the grinding disc (13).

4. The vibration-reducing and noise-reducing angle grinder according to claim 1, characterized in that: The fixed block (21) is movably installed in the movable cavity (26), and the limiting slider (22) is slidably installed in the sliding cavity (27).

5. The vibration-reducing and noise-reducing angle grinder according to claim 1, characterized in that: One end of the damping spring (23) is fixedly connected to the inner wall of the active cavity (26), the damper (24) is fixedly mounted on the upper and lower surfaces of the fixed block (21), one end of the damper (24) is fixedly connected to the inner wall of the active cavity (26), and one end of the rubber sleeve (28) is fixedly connected to the rear wall of the active cavity (26).

6. The vibration-reducing and noise-reducing angle grinder according to claim 2, characterized in that: The honeycomb sound-absorbing pad (3) is sleeved on the outside of the motor (11).

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