CN216422181U

CN216422181U - Eccentric shaft for polisher

Info

Publication number: CN216422181U
Application number: CN202123225325.4U
Authority: CN
Inventors: 李贵文
Original assignee: Dongguan Qiangbao Hardware Tools Co ltd
Current assignee: Dongguan Qiangbao Hardware Tools Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-03
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses an eccentric shaft for polisher, which comprises a main shaft, the main shaft surface is opened there is the draw-in groove, main shaft rear end fixedly connected with eccentric seat, main shaft surface rear portion has cup jointed the connection cooperation portion, the arc rank has been seted up to eccentric seat front end, eccentric seat rear end fixedly connected with base, open the base rear end has the connector, eccentric seat rear end is opened there is eccentric groove No. one, No. one the eccentric groove antetheca is opened and is had No. two eccentric grooves, No. two the eccentric groove antetheca is opened and is had the louvre of break-over, it has logical groove to connect cooperation portion surface to open, the position of louvre corresponds with the position of through groove. An eccentric shaft for polisher, adopt double-deck eccentric design, improve the efficiency of polishing of polisher, and be provided with the arc rank, the installation leakproofness is strong, sets up the louvre, the radiating effect is good, is favorable to prolonging the life of polisher.

Description

Eccentric shaft for polisher

Technical Field

The utility model relates to a polisher technical field, in particular to eccentric shaft for polisher.

Background

Pneumatic polisher has multiple appearance structure, be fit for various angle operations, have characteristics such as small, the rotational speed is high, grinding efficiency is high, the noise is low, vibrations are little, the eccentric shaft polisher belongs to one kind of pneumatic polisher, in current polisher with the eccentric shaft technique, all be the eccentric design of individual layer, grinding efficiency is low, and the polisher is in the use, the leakproofness and the radiating effect of eccentric shaft connection all can directly influence the life of polisher, so, we provide an eccentric shaft for polisher.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an eccentric shaft for polisher can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an eccentric shaft for polisher, includes the main shaft, the main shaft surface is opened there is the draw-in groove, main shaft rear end fixedly connected with eccentric seat, connection cooperation portion has been cup jointed at main shaft surface rear portion, the arc rank has been seted up to eccentric seat front end, eccentric seat rear end fixedly connected with base, open the base rear end has the connector, eccentric seat rear end is opened there is an eccentric groove, No. one eccentric groove antetheca is opened there is No. two eccentric grooves, No. two eccentric groove antetheca are opened there is the louvre of break-over, connection cooperation portion surface is opened there is logical groove, the position of louvre corresponds with the position of logical groove.

Preferably, the arc step is a crescent structure, and the connection matching part is a semicircular structure.

Preferably, the connecting port is communicated with the inside of the first eccentric groove, and the inner diameters of the connecting port and the first eccentric groove are the same.

Preferably, the axes of the main shaft and the second eccentric groove are the same, and no overlap is generated between the main shaft and the heat dissipation hole.

Preferably, the clamping groove is of an arc-shaped structure, and the clamping groove is not in contact with the connection matching part.

Preferably, the inner wall of the connecting port is carved with screw threads.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through set up an eccentric groove and No. two-layer off-centre of eccentric groove in eccentric seat, improve the efficiency of polishing of polisher, and set up the arc rank of crescent on eccentric seat, leakproofness when improving the eccentric shaft connection is provided with on eccentric seat with the communicating louvre of No. two eccentric inslot portions, improves the thermal diffusivity of eccentric shaft in the use to improve the life of whole polisher.

Drawings

Fig. 1 is a schematic view of the overall structure of an eccentric shaft for a grinding machine according to the present invention;

fig. 2 is a schematic view of the overall structure of the eccentric shaft for the grinding machine of the present invention;

fig. 3 is a schematic view of the overall structure of the eccentric shaft for the grinding machine of the present invention;

fig. 4 is a rear view of the eccentric shaft for the grinder of the present invention.

In the figure: 1. a main shaft; 2. a card slot; 3. an eccentric seat; 4. an arc step; 5. a base; 6. heat dissipation holes; 7. a connection fitting portion; 8. a first eccentric groove; 9. a connecting port; 10. a second eccentric groove; 11. a through groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides an eccentric shaft for polisher, including

main shaft

1, 1 surface of main shaft is opened there is draw-in

groove

2, 1 rear end fixedly connected with eccentric seat 3 of main shaft, 1 surface rear portion of main shaft has cup jointed

connection cooperation portion

7, 3 front ends of eccentric seat have been seted up

arc rank

4, 3 rear end fixedly connected with bases 5 of eccentric seat, 5 rear ends of bases are opened there is

connector

9, 3 rear ends of eccentric seat are opened has eccentric groove 8 No. one, 8 antethecas of eccentric groove have been opened No. two

eccentric grooves

10, 10 antethecas of No. two eccentric grooves are opened and are had the louvre 6 of break-over, 7 surface of connection cooperation portions is opened and is had logical groove 11, the position of louvre 6 corresponds with the position that leads to groove 11.

In this embodiment, arc rank 4 is crescent structure, the leakproofness when improving eccentric seat 3 and connecting, it is semi-circular structure to connect cooperation portion 7, connector 9 and an eccentric groove 8 inside communicate with each other and connector 9 and an eccentric groove 8 internal diameter the same, the axle center of main shaft 1 and No. two eccentric grooves 10 is the same, do not produce the overlap between main shaft 1 and the louvre 6, improve the radiating effect of louvre 6, draw-in groove 2 is the arc structure, draw-in groove 2 and connect contactless between cooperation portion 7, main shaft 1 is fixed with being connected of driving motor on the polisher, be convenient for the connector 9 inner wall be carved with the screw thread, be used for with the connection of the polishing dish on the polisher.

It should be noted that, the utility model relates to an eccentric shaft for a grinder, in the using process, the main shaft 1 is fixedly connected with a driving motor on the grinder through a clamping groove 2, the base 5 is fixedly connected with a grinding disc on the grinder through a connecting port 9, the main shaft 1 drives the grinding disc arranged on the base 5 to work under the action of the driving motor, in the using process, because a first eccentric groove 8 and a second eccentric groove 10 are arranged in an eccentric seat 3, the grinding amplitude is large, the grinding efficiency is improved, a heat dissipation hole 6 communicated with the inside of the second eccentric groove 10 is arranged at the front end of the eccentric seat 3, the position of the heat dissipation hole 6 corresponds to the position of a through groove 11, the heat generated in the grinding process can be discharged from the heat dissipation hole 6 and the through groove 11, the heat dissipation performance of the eccentric shaft is improved, and a crescent arc-shaped step 4 is arranged at the front end of the eccentric seat 3, the leakproofness of eccentric seat 3 when connecting is improved, and the double-deck eccentric design of whole eccentric shaft improves the efficiency of polishing of polisher, and the installation leakproofness is strong, and the radiating effect is good, is favorable to prolonging the life of polisher.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An eccentric shaft for a grinder, comprising a main shaft (1), characterized in that: the utility model discloses a high-speed reducer, including main shaft (1), main shaft (1) surface is opened there are draw-in groove (2), main shaft (1) rear end fixedly connected with eccentric seat (3), main shaft (1) surface rear portion has cup jointed connection cooperation portion (7), arc rank (4) have been seted up to eccentric seat (3) front end, eccentric seat (3) rear end fixedly connected with base (5), open base (5) rear end has connector (9), open eccentric seat (3) rear end has eccentric groove (8) No. one, open No. two eccentric grooves (10) on eccentric groove (8) antetheca, No. two eccentric grooves (10) antetheca open louvre (6) that have the break-over, it has logical groove (11) to open connection cooperation portion (7) surface, the position of louvre (6) corresponds with the position that leads to groove (11).

2. The eccentric shaft for a grinder of claim 1, wherein: the arc-shaped step (4) is of a crescent structure, and the connection matching part (7) is of a semicircular structure.

3. The eccentric shaft for a grinder of claim 1, wherein: the connecting port (9) is communicated with the inside of the first eccentric groove (8), and the inner diameters of the connecting port (9) and the first eccentric groove (8) are the same.

4. The eccentric shaft for a grinder as set forth in claim 1, wherein: the axes of the main shaft (1) and the second eccentric groove (10) are the same, and the main shaft (1) and the heat dissipation holes (6) are not overlapped.

5. The eccentric shaft for a grinder of claim 1, wherein: the clamping groove (2) is of an arc-shaped structure, and the clamping groove (2) is not in contact with the connection matching portion (7).

6. The eccentric shaft for a grinder of claim 1, wherein: the inner wall of the connecting port (9) is carved with screw threads.