CN219234890U

CN219234890U - Angle grinder pressing plate without wrench

Info

Publication number: CN219234890U
Application number: CN202223187951.3U
Authority: CN
Inventors: 杨永胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-06-23
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a spanner-free angle grinder pressing plate, which comprises an upper plate and a lower plate, wherein a first shaft hole is formed in the middle of the upper plate, symmetrical slotted holes are formed in two sides of the first shaft hole, a first groove is formed in the bottom of the upper plate, a boss corresponding to the first shaft hole is arranged in the middle of the lower plate, a second shaft hole is formed in the center of the boss, a second groove corresponding to the first groove is formed in the outer side of the boss, a plurality of balls are arranged in the second groove, symmetrical convex columns are arranged on two sides of the second groove, and the convex columns correspond to the slotted holes of the upper plate. According to the utility model, the convex column of the lower plate slides in the slotted hole of the upper plate, the upper plate is connected with the lower plate through the balls, so that the locking phenomenon between the pressing plate and the grinding wheel can be effectively avoided, and the lower plate can be conveniently and quickly disassembled by hand without using a special spanner, so that the labor intensity of workers is reduced, and the use efficiency of the angle grinder is improved.

Description

Angle grinder pressing plate without wrench

Technical Field

The utility model relates to the technical field of angle grinder pressing plates, in particular to a wrench-free angle grinder pressing plate.

Background

The angle grinder is also called as grinder or disc grinder, is a portable electric tool for cutting and polishing glass fibre reinforced plastic, and uses high-speed rotating sheet grinding wheel, rubber grinding wheel, steel wire wheel, etc. to grind, cut, remove rust and polish metal components, and is mainly used for cutting, grinding and brushing metal and stone material, etc.

When the conventional angle grinder is used for installing a grinding wheel grinding disc, a common annular pressing plate is generally used for being connected with the angle grinder, static friction force between the pressing plate and the grinding wheel grinding disc can be larger and larger in the use process, locking phenomenon can occur after the angle grinder is operated for a period of time, the angle grinder is difficult to disassemble, and a special wrench is required to be used for disassembly, so that the labor intensity of operators is increased, and the use efficiency is affected. Therefore, the angle grinder pressing plate convenient to disassemble and assemble needs to be designed, the spanner is prevented from being used for operation, and manual disassembly and assembly can be conveniently and rapidly carried out, so that the use efficiency is improved.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a spanner-free pressing plate of an angle grinder.

The aim of the utility model is achieved by the following technical scheme: the utility model provides an angle mill clamp plate without spanner, includes upper plate and hypoplastron, the middle part of upper plate is equipped with first shaft hole, and the both sides in first shaft hole are equipped with the slotted hole of symmetry, and the bottom of upper plate is equipped with first recess, the hypoplastron middle part is equipped with the boss that corresponds with first shaft hole, and the center of boss is equipped with the second shaft hole, and the outside of boss is equipped with the second recess that corresponds with first recess, installs a plurality of balls in the second recess, and second recess both sides are equipped with the projection of symmetry, the projection corresponds with the slotted hole of upper plate.

The further technical scheme is that the bottom of hypoplastron is equipped with the connection platform, and the middle part of connection platform is equipped with the draw-in groove, and the outside of connection platform is equipped with the third recess.

The further technical scheme is that the upper plate and the lower plate are both cylindrical, and the slotted hole of the upper plate is arc-shaped.

According to a further technical scheme, the first groove, the second groove and the third groove are all arc-shaped.

The further technical proposal is that the top of the boss protrudes outwards.

The further technical proposal is that the number of the slotted holes and the protruding columns is 2.

The further technical scheme is that the upper plate and the lower plate are both steel structures.

The utility model has the following advantages:

(1) According to the utility model, the upper plate and the lower plate are arranged, so that the convex column of the lower plate slides in the slotted hole of the upper plate, and the upper plate and the lower plate are in rolling connection through the balls, so that the locking phenomenon between the pressing plate and the grinding wheel disc is avoided, and the pressing plate can be easily rotated manually to disassemble without using a spanner during disassembly, so that the lower plate is more convenient and rapid to disassemble, the labor intensity of workers is reduced, and the installation and use efficiency is improved.

(2) The bottom rotating shaft of the angle grinder can be clamped by arranging the connecting table and the clamping groove, so that the angle grinder is convenient to install; the arc-shaped slotted hole is arranged, so that the convex column slides in the slotted hole and limits the sliding displacement of the convex column, and the pressing plate is prevented from being too tightly pressed.

(3) According to the utility model, the first groove and the second groove with circular arc shapes are arranged, so that balls can be conveniently clamped in the grooves, and rolling connection between the upper plate and the lower plate is facilitated; the top of the boss protrudes outwards to prevent the upper plate from sliding off, and the installation and the fixation of the grinding disc are also facilitated; the steel structure is adopted, so that the steel structure is firmer and more durable.

Drawings

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

FIG. 2 is a schematic diagram of the upper plate structure of the present utility model;

FIG. 3 is a schematic view of the bottom structure of the upper plate of the present utility model;

FIG. 4 is a schematic view of the lower plate structure of the present utility model;

fig. 5 is a schematic view of the bottom structure of the lower plate of the present utility model.

In the figure, 1, an upper plate; 101. a first shaft hole; 102. a slot hole; 103. a first groove; 2. a lower plate; 201. a convex column; 202. a second groove; 203. a ball; 204. a boss; 205. a second shaft hole; 206. a third groove; 207. a connection station; 208. a clamping groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 5, a wrench-free pressing plate for an angle grinder comprises an upper plate 1 and a lower plate 2, wherein the upper plate 1 and the lower plate 2 are installed in a matched manner, a first shaft hole 101 is formed in the middle of the upper plate 1, symmetrical slot holes 102 are formed in two sides of the first shaft hole 101, a first groove 103 is formed in the bottom of the upper plate 1, a boss 204 corresponding to the first shaft hole 101 is formed in the middle of the lower plate 2, the boss 204 is installed in the first shaft hole 101, a second shaft hole 205 is formed in the center of the boss 204, the second shaft hole 205 is used for being installed on a rotating shaft of the angle grinder, a second groove 202 corresponding to the first groove 103 is formed in the outer side of the boss 204, a plurality of balls 203 are installed in the second groove 202, the upper plate 1 and the lower plate 2 are connected through the balls 203, symmetrical protruding columns 201 are arranged on two sides of the second groove 202, the protruding columns 201 correspond to the slot holes 102 of the upper plate 1, and the protruding columns 201 are inserted into the slot holes 102, and are convenient to rotate in the slot holes 102.

In this embodiment, the bottom of the lower plate 2 is provided with a connection table 207, which is connected with the rotating shaft of the angle grinder, the middle of the connection table 207 is provided with a clamping groove 208, the outer side of the connection table 207 is provided with a third groove 206, and the installation connection of the pressing plate and the rotating shaft is facilitated through the clamping groove 208 and the third groove 206.

In this embodiment, the upper plate 1 and the lower plate 2 are both cylindrical, the slot 102 of the upper plate 1 is arc-shaped, so that the boss 201 slides within the arc-shaped range, the relative sliding distance between the upper plate 1 and the lower plate 2 is limited,

in this embodiment, the first groove 103, the second groove 202 and the third groove 206 are all circular arc-shaped, so as to be convenient for matching with the ball 203.

In this embodiment, the top of the boss 204 protrudes outwards, so that the upper plate 1 is prevented from sliding down, and further, the grinding plate is conveniently mounted and fixed on the outer side.

In this embodiment, the number of slots 102 and studs 201 is 2, and a plurality of corresponding slots 102 and studs 201 may be provided as required.

In this embodiment, the upper plate 1 and the lower plate 2 are both steel structures, and are more durable.

The implementation principle of the utility model is as follows: the utility model provides a spanner-free press plate of an angle grinder, which is convenient to assemble and disassemble manually, through the matching installation of an upper plate 1 and a lower plate 2, a convex column 201 of the lower plate 2 slides in a slotted hole 102 of the upper plate 1, the slotted hole 102 limits the displacement range of the convex column 201, the upper plate 1 and the lower plate 2 are rotationally connected through a ball 203, so that the phenomenon of locking of a grinding disc and the press plate is avoided in the use process of the angle grinder, and the press plate can be manually rotated during the disassembly, so that the disassembly and the replacement of the grinding disc are fast and convenient, and the special spanner is not required to be used for the disassembly, thereby saving more time and labor, reducing the labor intensity and improving the use efficiency of the angle grinder.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides an angle grinder clamp plate without spanner, includes upper plate (1) and hypoplastron (2), its characterized in that: the middle part of upper plate (1) is equipped with first shaft hole (101), and the both sides of first shaft hole (101) are equipped with slotted hole (102) of symmetry, and the bottom of upper plate (1) is equipped with first recess (103), the middle part of lower plate (2) is equipped with boss (204) that correspond with first shaft hole (101), and the center of boss (204) is equipped with second shaft hole (205), and the outside of boss (204) is equipped with second recess (202) that correspond with first recess (103), installs a plurality of balls (203) in second recess (202), and second recess (202) both sides are equipped with projection (201) of symmetry, projection (201) are corresponding with slotted hole (102) of upper plate (1).

2. A wrench-free angle grinder platen as claimed in claim 1, wherein: the bottom of lower plate (2) is equipped with connection platform (207), and the middle part of connection platform (207) is equipped with draw-in groove (208), and the outside of connection platform (207) is equipped with third recess (206).

3. A wrench-free angle grinder platen as claimed in claim 1, wherein: the upper plate (1) and the lower plate (2) are both cylindrical, and the slotted holes (102) of the upper plate (1) are arc-shaped.

4. A wrench-free angle grinder platen as claimed in claim 1, wherein: the first groove (103), the second groove (202) and the third groove (206) are all arc-shaped.

5. A wrench-free angle grinder platen as claimed in claim 1, wherein: the top of the boss (204) protrudes outwards.

6. A wrench-free angle grinder platen as claimed in claim 1, wherein: the number of the slotted holes (102) and the protruding columns (201) is 2.

7. A wrench-free angle grinder platen as claimed in claim 1, wherein: the upper plate (1) and the lower plate (2) are both steel structures.