Eccentric gear with high impact resistance

Abstract

According to the eccentric gear with the high impact resistance, an annular groove located on the peripheral side of a mounting hole is formed in an eccentric gear body, a plurality of buffering pieces are fixedly arranged in the annular groove, an annular anti-impact block is arranged above the annular groove, and the bottom end of the annular anti-impact block is inserted into the annular groove and connected with the top ends of the buffering pieces; the transmission shaft penetrates through the mounting hole, then the annular anti-impact block is knocked, at the moment, the annular anti-impact block compresses the buffer pieces after being subjected to impact force, the impact force borne by the annular anti-impact block can be buffered through the multiple buffer pieces, the eccentric gear body can not be directly knocked through the annular anti-impact block, and the service life of the eccentric gear is prolonged. The eccentric gear body is not prone to damage, and resource waste is avoided.

Description

Technical Field

[0001] The utility model relates to the field of gears, in particular to an eccentric gear with strong impact resistance. Background Art

[0002] The eccentric gear is a special gear design, whose transmission pitch circle is not concentric with the positioning hole, and can also be called a non-circular gear. During the transmission process, this kind of gear will slide in the axial direction due to its characteristic of deviating from the center line, causing the meshing point to change, thereby achieving speed change or forward and reverse rotation.

[0003] During the installation process, the existing eccentric gear usually needs to be knocked, which will directly knock on the eccentric gear body, easily causing damage to the eccentric gear, thereby causing a waste of resources. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the utility model provides an eccentric gear with strong impact resistance.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an eccentric gear with strong impact resistance, comprising an eccentric gear body and a transmission shaft, the eccentric gear body being provided with a mounting hole penetrated by the transmission shaft, the eccentric gear body being provided with an annular groove located on the circumferential side of the mounting hole, a plurality of buffer members being fixedly arranged inside the annular groove, an annular anti-impact block being provided above the annular groove, the bottom end of the annular anti-impact block being inserted into the interior of the annular groove and connected to the top end of the buffer member.

[0008] In order to improve the protective effect of the annular anti-impact block on the eccentric gear body, the utility model has the following improvements: a damping plate is fixedly arranged at the bottom of the annular anti-impact block, the damping plate is located above the annular groove, and a plurality of protective blocks are arranged at the lower end of the damping plate.

[0009] Furthermore, the improvement of the utility model is that the buffer member and the protective block are both made of elastic rubber blocks.

[0010] Furthermore, the improvement of the utility model is that the buffer member is a cylindrical structure, and the protective block is a hemispherical structure.

[0011] Furthermore, the present invention is improved in that the sizes of the plurality of buffer members are the same, and the sizes of the plurality of protective blocks are the same.

[0012] Furthermore, the utility model has the following improvements: the annular anti-impact block and the damping plate are both made of metal.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides an eccentric gear with strong impact resistance, which has the following beneficial effects:

[0015] The eccentric gear with strong impact resistance is driven by a transmission shaft passing through the mounting hole, and then the annular anti-impact block is knocked. At this time, the annular anti-impact block will compress the buffer member after receiving the impact force. The impact force received by the annular anti-impact block can be buffered by the multiple buffer members. The annular anti-impact block can prevent the eccentric gear body from being directly knocked, and it is not easy to cause damage to the eccentric gear body, thereby avoiding waste of resources.

[0016] The damping plate can limit the position of the annular anti-impact block, so that the buffer component will not be compressed to the limit, and the protective effect of the annular anti-impact block on the eccentric gear body can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a top view of the three-dimensional structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 The main view;

[0019] Figure 3 It is a schematic diagram of the internal structure of the annular groove in the utility model;

[0020] In the figure: 1. eccentric gear body; 2. transmission shaft; 3. mounting hole; 4. buffer; 5. annular anti-impact block; 6. damping plate; 7. protective block; 8. annular groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 An eccentric gear with strong impact resistance comprises an eccentric gear body 1 and a transmission shaft 2, wherein the eccentric gear body 1 is provided with a mounting hole 3 penetrated by the transmission shaft 2, the eccentric gear body 1 is provided with an annular groove 8 located around the mounting hole 3, a plurality of buffers 4 are fixedly arranged inside the annular groove 8, an annular anti-impact block 5 is arranged above the annular groove 8, and the bottom end of the annular anti-impact block 5 is inserted into the inside of the annular groove 8 and connected to the top end of the buffer 4;

[0023] In this structure, the transmission shaft 2 is first passed through the mounting hole 3, and then the annular anti-impact block 5 is knocked. At this time, the annular anti-impact block 5 will compress the buffer component 4 after being impacted. The multiple buffer components 4 can buffer the impact force on the annular anti-impact block 5. The annular anti-impact block 5 can prevent the eccentric gear body 1 from being directly knocked, and it is not easy to cause damage to the eccentric gear body 1, thereby avoiding waste of resources.

[0024] Furthermore, a damping plate 6 is fixedly arranged at the bottom of the annular anti-impact block 5, and the damping plate 6 is located above the annular groove 8, and a plurality of protective blocks 7 are provided at the lower end of the damping plate 6. The damping plate 6 can limit the annular anti-impact block 5, so that the buffer 4 will not be compressed to the limit, and the protective effect of the annular anti-impact block 5 on the eccentric gear body 1 can be improved.

[0025] Furthermore, the buffer member 4 and the protection block 7 can both be made of elastic rubber blocks.

[0026] Furthermore, the buffer member 4 is a cylindrical structure, and the protective block 7 is a hemispherical structure.

[0027] Furthermore, the multiple buffer members 4 have the same size, and the multiple protective blocks 7 have the same size.

[0028] Furthermore, the annular anti-impact block 5 and the damping plate 6 are both made of metal material, and the annular anti-impact block 5 and the damping plate 6 can be made of aluminum alloy. Aluminum alloy has the advantages of high strength and strong corrosion resistance.

[0029] In the description of this article, it should be noted that relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An eccentric gear with strong impact resistance, comprising an eccentric gear body (1) and a transmission shaft (2), wherein the eccentric gear body (1) is provided with a mounting hole (3) penetrated by the transmission shaft (2), characterized in that: The eccentric gear body (1) is provided with an annular groove (8) located on the circumferential side of the mounting hole (3), a plurality of buffer members (4) are fixedly arranged inside the annular groove (8), an annular anti-impact block (5) is arranged above the annular groove (8), and the bottom end of the annular anti-impact block (5) is inserted into the interior of the annular groove (8) and connected to the top end of the buffer member (4).

2. The eccentric gear with strong impact resistance according to claim 1, characterized in that: A damping plate (6) is fixedly arranged at the bottom of the annular anti-impact block (5); the damping plate (6) is located above the annular groove (8), and a plurality of protective blocks (7) are arranged at the lower end of the damping plate (6).

3. The eccentric gear with strong impact resistance according to claim 2, characterized in that: The buffer (4) and the protection block (7) are both made of elastic rubber blocks.

4. The eccentric gear with strong impact resistance according to claim 3, characterized in that: The buffer (4) is a cylindrical structure, and the protection block (7) is a hemispherical structure.

5. The eccentric gear with strong impact resistance according to claim 4, characterized in that: The multiple buffer members (4) have the same size, and the multiple protection blocks (7) have the same size.

6. The eccentric gear with strong impact resistance according to claim 5, characterized in that: The annular anti-impact block (5) and the damping plate (6) are both made of metal.

Images