CN2298146Y - Rim - Google Patents
Rim Download PDFInfo
- Publication number
- CN2298146Y CN2298146Y CN 97233546 CN97233546U CN2298146Y CN 2298146 Y CN2298146 Y CN 2298146Y CN 97233546 CN97233546 CN 97233546 CN 97233546 U CN97233546 U CN 97233546U CN 2298146 Y CN2298146 Y CN 2298146Y
- Authority
- CN
- China
- Prior art keywords
- rim
- ring body
- seam
- utility
- model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model discloses a rim, which comprises a ring body. A radial cross section of the ring body forms a wave shape. The utility model is characterized in that circumferential surface of the ring body has no seam. The intensity and the production efficiency of the rim are increased.
Description
This practical firewood type relates to the wheel-use steel material circle.
The common wheel (rickshaw and self-propelled vehicle) of people has been all the weld seam steel ring with steel ring at present.Its making is to utilize sheet material, forms general shape by rolling step, and on this basis, the different size of pressing different size is sawed-off, adopts the method for butt welding to weld, and then utilizes the secondary reshaping machine, obtains the rim of different size.There is very important shortcoming in this rim.There is weld seam on the rim surface, causes it not bright and clean level and smooth; Owing to rim welding is existed slag inclusion, overlap, pore, weldering is unreal and defective such as internal stress, causes rim intensity, air-tightness to descend; Welding speed is slow, and production efficiency is low.
The purpose of this utility model is to provide a kind of no seam rim.
For achieving the above object, this no seam rim comprises a ring body, and the radial section of this ring body is a waveform, and its constructional feature is that the peripheral surface of ring body does not have seam.
According to the utility model, rim utilizes sheet material to carry out blanking and punching by different size, obtain the blank material of rim, obtain the blank of rim again by flanging stamping procedure to the blank material, with spinning machine the rim blank is carried out spinning again, obtain the basic configuration of rim, by secondary spinning, obtain the requirement of rim exact dimension at last.So just make the rim any surface finish level and smooth, do not have the welding defective, air-tightness is guaranteed, and intensity improves 3-4 doubly, adopts stamping procedure production efficiency to improve 2-3 doubly.
Accompanying drawing shows the embodiment of this rim.Wherein Fig. 1 shows the front view of the utility model rim; Fig. 2 is the cutaway view of rim.
In the present embodiment, rim comprises a ring body, and the radial section of this ring body is a waveform, and its peripheral surface is bright and clean level and smooth, no seam.
Claims (1)
- A kind of rim comprises a ring body, and the radial section of this ring body is a waveform, it is characterized in that the peripheral surface of ring body does not have seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97233546 CN2298146Y (en) | 1997-07-17 | 1997-07-17 | Rim |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97233546 CN2298146Y (en) | 1997-07-17 | 1997-07-17 | Rim |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2298146Y true CN2298146Y (en) | 1998-11-25 |
Family
ID=33945099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97233546 Expired - Fee Related CN2298146Y (en) | 1997-07-17 | 1997-07-17 | Rim |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2298146Y (en) |
-
1997
- 1997-07-17 CN CN 97233546 patent/CN2298146Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: TONGDA MACHINERY CO., LTD., LIJU, SHANDONG TO: SHANDONG LINQU QINGQI PARTSCO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Shandong Linqu Motorcycle Parts Co. Patentee before: Tongda Machinery Co., Ltd., Liju, Shandong |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |