Angle grinder with high grinding disc stability

Abstract

The utility model discloses an angle grinder with high abrasive disc stability, which comprises a grab handle part and a motor mounting part, the grab handle part is connected with the motor mounting part, and the motor mounting part comprises a shell and a motor mounted in the shell. Meanwhile, a plurality of damping assemblies are evenly arranged on the inner wall of the shell, one ends of the damping assemblies are connected with the shell, the other ends of the damping assemblies abut against the outer wall of the motor, each damping assembly comprises an installation base installed on the inner wall of the shell, and the left end and the right end of each installation base are each provided with a movable groove; the angle grinder is characterized in that two movable grooves are formed in the bottom of the motor, movable rods are installed in the two movable grooves in a sliding mode respectively, springs are arranged in the movable grooves in the bottoms of the movable rods respectively, and then a connecting block connected with the movable rods is arranged on a shell of the motor. And a user does not need to forcibly hold a grab handle part of the angle grinder to ensure that the angle grinder can work stably, so that the working stability of the grinding disc on the angle grinder is ensured.

Description

Technical Field

[0001] The utility model relates to an angle grinder, in particular to an angle grinder with high grinding disc stability. Background Art

[0002] Angle grinder, also known as polishing machine, is an electric tool widely used in metal processing, construction, woodworking and other industries. It is mainly used for cutting, grinding, polishing and cleaning materials such as metal, stone and concrete.

[0003] In the prior art, there is an angle grinder and its protective cover assembly, such as that disclosed in publication number CN215470258U, which can provide a lateral expansion space connected to the side opening without removing the auxiliary cover, thereby facilitating the maintenance and replacement of the saw blade.

[0004] However, there are still some shortcomings. For example, when the angle grinder is started, the high-speed movement of the rotor in the motor and the relative action between the stator cause the angle grinder as a whole to vibrate violently. In order to use the angle grinder normally, the user needs to hold the handle of the angle grinder firmly. If the user reduces the grip on the handle of the angle grinder due to fatigue during long-term use, the angle grinder may easily shake due to vibration, thereby affecting the working effect of the grinding disc on the angle grinder. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide an angle grinder capable of improving the stability of the grinding disc during operation.

[0006] The technical solution adopted by the utility model to solve the above-mentioned technical problems is: an angle grinder with high grinding disc stability, comprising a handle part and a motor mounting part, the handle part is connected to the motor mounting part, the motor mounting part comprises a shell and a motor installed in the shell, a plurality of shock-absorbing components are evenly arranged on the inner wall of the shell, one end of the shock-absorbing component is connected to the shell and the other end is abutted against the outer wall of the motor, the shock-absorbing components each include a mounting seat, the mounting seat is installed on the inner wall of the shell, and a movable groove is respectively provided at the left and right ends of the mounting seat; a movable rod, the movable rod is provided with two, the movable rods are respectively slidably installed in the movable groove, and a spring is provided at the bottom of the movable rod, one end of the spring is connected to the bottom of the movable groove and the other end is connected to the movable rod; a connecting block, the connecting block is installed on the outer shell of the motor, and the connecting block is connected to the movable rod on the side away from the motor.

[0007] 4. The repairing kit for automotive dents, according to claim 1, wherein a bottom of the foot stand comprises a through-hole, and the two foot pieces comprise two bosses, wherein the bosses comprise a through-hole, a screw bolt, and a nut.

[0008] A further preferred solution of the present invention is that a first limiting ring is provided at the opening of the movable groove, and a second limiting ring matching the movable groove is provided at the bottom of the movable rod.

[0009] A further preferred solution of the present invention is that a mounting groove is provided in the middle of the mounting seat, an elastic buffer block is provided in the mounting groove, and the elastic buffer block is connected to the connecting block at one end away from the mounting seat.

[0010] A further preferred solution of the present invention is that a plurality of limiting protrusions are provided on the first fixing seat at a side close to the grinding disc, and limiting grooves matching the limiting protrusions are provided on the grinding disc.

[0011] A further preferred solution of the present invention is that a nut is fixedly provided on the side of the second fixing seat away from the first mounting seat.

[0012] A further preferred solution of the present invention is that a rubber layer is provided on adjacent side walls of the first fixing seat and the second fixing seat, and the rubber layer abuts against the side wall of the grinding disc.

[0013] A further preferred solution of the present invention is that a buffer cavity is provided inside the elastic buffer block.

[0014] Compared with the prior art, the advantage of the present invention is that when the motor is working, the vibration of the motor as a whole caused by the relative action between the high-speed movement of the rotor and the stator can be transmitted to the movable rod through the connecting block and then to the spring through the movable rod. Since the spring has the rebound characteristic, it can offset the vibration of the motor when it is working. In this way, the vibration of the angle grinder when it is working can be reduced. In this way, when the user uses the angle grinder, the user no longer needs to hold the handle of the angle grinder tightly to ensure that the angle grinder can work stably, thereby ensuring the working stability of the grinding disc on the angle grinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be described in further detail below with reference to the accompanying drawings and preferred embodiments. However, those skilled in the art will appreciate that these drawings are drawn only for the purpose of explaining the preferred embodiments and should not be construed as limiting the scope of the present invention. Furthermore, unless otherwise specified, the drawings are merely schematic representations of the composition or structure of the depicted objects and may contain exaggerated representations. Furthermore, the drawings are not necessarily drawn to scale.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a front view of the utility model;

[0018] Figure 3 It is a side view of the utility model;

[0019] Figure 4 It is a bottom view of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the motor mounting portion of the present utility model;

[0021] Figure 6 This is a schematic structural diagram of the shock-absorbing assembly in the present utility model;

[0022] Figure 7 for Figure 5 Enlarged view of point A in the middle;

[0023] Figure 8 for Figure 7 Enlarged view of point B in the middle.

[0024] In the figure: 1. handle; 2. motor mounting portion; 21. housing; 3. shield; 4. grinding disc; 5. connecting column; 6. nut; 7. first fixing seat; 71. first screw hole; 8. second fixing seat; 81. second screw hole; 9. baffle; 10. motor; 101. motor output end; 11. shock absorber assembly; 111. mounting seat; 112. movable groove; 113. movable rod; 114. spring; 115. connecting block; 116. first limiting ring; 117. second limiting ring; 118. mounting groove; 119. buffer block; 120. buffer cavity; 12. rubber layer; 13. limiting boss; 14. limiting groove; 15. bolt; 16. limiting hole; 17. third screw hole. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely illustrative and exemplary and should not be construed as limiting the scope of protection of the present invention.

[0026] It should be noted that like reference numerals denote like items in the following drawings, and thus, once an item is defined in one drawing, it may not be further defined or explained in subsequent drawings.

[0027] This embodiment mainly describes the structure of an angle grinder with high grinding disc stability, as follows:

[0028] like Figures 1-8 As shown, the angle grinder with high grinding disc stability includes a handle portion 1 and a motor mounting portion 2 and a shield 3 mounted on the motor mounting portion 2, and the handle portion 1 is connected to the motor mounting portion 2, and the motor mounting portion 2 includes a shell 21 and a motor 10 mounted in the shell 21, and a plurality of shock-absorbing assemblies 11 are evenly arranged on the inner wall of the shell 21, one end of which is connected to the shell 21 and the other end is abutted against the outer wall of the motor 10, wherein the shock-absorbing assemblies 11 each include a mounting seat 111 mounted on the inner wall of the shell 21, and a movable groove 112 is respectively provided at the left and right ends of the mounting seat 111, and a movable rod 113 is respectively slidably installed in the two movable grooves 112, and a spring 114 is respectively provided in the movable groove 112 at the bottom of the movable rod 113, and one end of the spring 114 is connected to the bottom of the movable groove 112 and the other end is connected to the movable rod 113, and then a connecting block 115 connected to the movable rod 113 is provided on the outer shell of the motor 10;

[0029] In this way, when the motor 10 is working, the vibration of the motor 10 as a whole caused by the relative action between the high-speed movement of the rotor and the stator can be transmitted to the movable rod 113 through the connecting block 115 and then transmitted to the spring 114 through the movable rod 113. Since the spring 114 has the rebound characteristic, it can offset the vibration of the motor 10 when it is working. In this way, the vibration of the angle grinder when it is working can be reduced. In this way, when the user uses the angle grinder, the user no longer needs to hold the handle 1 of the angle grinder tightly to ensure that the angle grinder can work stably, thereby ensuring the working stability of the grinding disc 4 on the angle grinder. Then, a first limiting ring 116 is provided at the opening of the movable groove 112, and a second limiting ring 117 matching the movable groove 112 is provided at the bottom of the movable rod 113. In this way, the movable rod 113 can be prevented from being separated from the movable groove 112, thereby improving the reliability of the shock absorbing assembly 11.

[0030] Furthermore, a mounting groove 118 is provided in the middle of the mounting seat 111, and an elastic buffer block 119 is provided in the mounting groove 118. The elastic buffer block 119 is connected to the connecting block 115 at the end away from the mounting seat 111, so that the shock absorbing effect of the shock absorbing assembly 11 can be improved. Then, a buffer cavity 120 is provided inside the elastic buffer block 119, so that the buffering effect of the elastic buffer block 119 can be improved.

[0031] A connecting column 5 with an external thread on the surface is provided at the motor output end 101, and a fixing component for fixing the grinding disc 4 is screwed on the connecting column 5, and a baffle 9 for limiting the movement of the fixing component is provided on the connecting column 5, wherein the fixing component includes a first fixing seat 7, and a first screw hole 71 matching the connecting column 5 is opened on the first fixing seat 7, and the first fixing seat 7 is screwed to the connecting column 5 through the first screw hole 71, wherein the inner side of the first fixing seat 7 abuts against the baffle 9, and the outer side of the first fixing seat 7 is provided with a second fixing seat 8, and the second fixing seat 8 is also provided with a second screw hole 81 matching the connecting column 5, and the second fixing seat 8 is connected to the connecting column 5 through the second screw hole 81. The connecting column 5 is screwed, and the grinding disc 4 is located between the first fixing seat 7 and the second fixing seat 8. Then, a limiting hole 16 penetrating the first fixing seat 7 and the second fixing seat 8 is respectively opened on the side wall of the first fixing seat 7 and the second fixing seat 8, and a third screw hole 17 communicating with the limiting hole 16 is respectively opened on the connecting column 5. Finally, a bolt 15 is provided in each limiting hole 16, and the bolt 15 can be screwed with the third screw hole 17. A rubber layer 12 is provided on the adjacent side wall of the first fixing seat 7 and the second fixing seat 8, and the rubber layer 12 abuts against the side wall of the grinding disc 4. Finally, a nut 6 is fixed on the second fixing seat 8 on the side away from the first mounting seat 111.

[0032] In this way, when installing the grinding disc 4, first screw the first fixing seat 7 from the connecting post 5 through the first screw hole 71 until the inner side of the first fixing seat 7 abuts against the baffle 9, then install the grinding disc 4 on the connecting post 5, and then screw the second fixing seat 8 from the connecting post 5 through the second screw hole 81 until the second fixing seat 8 presses the grinding disc 4 tightly. The rubber layer 12 provided on the first fixing seat 7 and the second fixing seat 8 can increase the friction effect of the first fixing seat 7 and the second fixing seat 8 when they abut against the grinding disc 4, thereby improving the pressing effect of the first fixing seat 7 and the second fixing seat 8 on the grinding disc 4. The setting of the rubber layer 12 can also reduce the vibration of the grinding disc 4 during operation, thereby further improving the stability of the grinding disc 4 during operation. Finally, the bolts 15 are respectively installed from the limit positions on the first fixing seat 7 and the second fixing seat 8, and then the bolts 15 are tightened until the bolts 15 are screwed into the third screw holes 17. This can prevent the first fixing seat 7 and the second fixing seat 8 from loosening when the motor 10 rotates, thereby improving the fixing effect of the fixing assembly on the grinding disc 4. The nut 6 fixed on the outside of the second fixing seat 8 makes it convenient for the staff to move the second fixing seat 8 on the connecting column 5 by using a tool to rotate the nut 6.

[0033] Furthermore, a plurality of limiting bosses 13 are provided on the side of the first fixing seat 7 close to the grinding disc 4, and a limiting groove 14 matching the limiting boss 13 is provided on the grinding disc 4. When the grinding disc 4 is installed on the connecting column 5, the limiting groove 14 on the grinding disc 4 is first aligned with the limiting boss 13 on the first fixing seat 7, and then the grinding disc 4 is pushed so that the limiting boss 13 enters the limiting groove 14, and then the second fixing seat 8 is used to press the grinding disc 4, so that the fixing effect of the fixing assembly on the grinding disc 4 can be further improved.

[0034] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the product of the present invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0035] The above describes in detail the angle grinder with high grinding disc stability provided by the present invention. This article uses specific examples to illustrate the principles and implementation methods of the present invention. The description of the above examples is only intended to help understand the present invention and its core concept. It should be noted that, for those skilled in the art, various improvements and modifications may be made to the present invention without departing from the principles of the present invention, and such improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. An angle grinder with high grinding disc stability, comprising a handle portion and a motor mounting portion, wherein the handle portion is connected to the motor mounting portion, and characterized in that: The motor mounting portion includes a housing and a motor mounted in the housing. A plurality of shock absorbing components are evenly arranged on the inner wall of the housing. One end of the shock absorbing component is connected to the housing and the other end is in contact with the outer wall of the motor. The shock absorbing components include A mounting seat, the mounting seat being mounted on the inner wall of the housing, and a movable groove being respectively provided at the left and right ends of the mounting seat; There are two movable rods, each of which is slidably mounted in a movable groove. A spring is provided at the bottom of each movable rod, one end of the spring is connected to the bottom of the movable groove and the other end is connected to the movable rod; A connecting block is mounted on the housing of the motor and is connected to the movable rod on a side away from the motor.

2. The angle grinder with high grinding disc stability according to claim 1, characterized in that: The motor output end is provided with a connecting column, the outer surface of the connecting column is provided with an external thread, a fixing component for fixing the grinding disc is screwed on the connecting column, and a baffle for limiting the movement of the fixing component is provided on the connecting column. The fixing component includes a first fixing seat, wherein a first screw hole matching the connecting column is formed on the first fixing seat, the first fixing seat is screwed to the connecting column through the first screw hole, and an inner side of the first fixing seat abuts against the baffle; a second fixing seat, wherein the second fixing seat is provided with a second screw hole matching the connecting column, the second fixing seat is screwed to the connecting column through the second screw hole, and the grinding disc is located between the first fixing seat and the second fixing seat; There are at least two limiting holes, and the limiting holes are respectively opened on the side walls of the first fixing seat and the second fixing seat. The connecting columns are respectively provided with third screw holes connected to the limiting holes. A bolt is set in each limiting hole, and the bolt is screwed into the third screw hole.

3. The angle grinder with high grinding disc stability according to claim 1, characterized in that: A first limiting ring is provided at the opening of the movable groove, and a second limiting ring matching the movable groove is provided at the bottom of the movable rod.

4. The angle grinder with high grinding disc stability according to claim 1, characterized in that: A mounting groove is provided in the middle of the mounting seat, and an elastic buffer block is provided in the mounting groove. The elastic buffer block is connected to the connecting block at one end away from the mounting seat.

5. The angle grinder with high grinding disc stability according to claim 2, characterized in that: The first fixing seat is provided with a plurality of limiting protrusions on a side close to the grinding plate, and the grinding plate is provided with limiting grooves matching the limiting protrusions.

6. The angle grinder with high grinding disc stability according to claim 2, characterized in that: The second fixing seat is fixedly provided with a nut on a side away from the first mounting seat.

7. The angle grinder with high grinding disc stability according to claim 2, characterized in that: The first fixing seat and the second fixing seat are both provided with a rubber layer on adjacent side walls, and the rubber layer is in contact with the side wall of the grinding disc.

8. The angle grinder with high grinding disc stability according to claim 4, characterized in that: A buffer cavity is provided inside the elastic buffer block.

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