CN211398254U - Tour guide backrest limiting rotating shaft structure - Google Patents
Tour guide backrest limiting rotating shaft structure Download PDFInfo
- Publication number
- CN211398254U CN211398254U CN201922487860.3U CN201922487860U CN211398254U CN 211398254 U CN211398254 U CN 211398254U CN 201922487860 U CN201922487860 U CN 201922487860U CN 211398254 U CN211398254 U CN 211398254U
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- China
- Prior art keywords
- shaft sleeve
- sleeve shell
- bottom cover
- upper cover
- bearing
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Abstract
The utility model relates to a tour guide backrest limiting rotating shaft structure, which comprises an upper cover, a steering limiting block, a shaft sleeve shell and a bottom cover, wherein the shaft sleeve shell is sleeved outside an installation rod, the upper end of the shaft sleeve shell is provided with the upper cover, the lower end of the shaft sleeve shell is provided with the bottom cover, and one end of the shaft sleeve shell, which is close to the upper cover, is provided with the steering limiting block; the upper cover and the bottom cover are fixedly arranged on the mounting rod, the bottom cover is connected with the shaft sleeve shell through a bearing, and the fastening device is assembled and fixed in a limiting groove formed in the steering limiting block. The rotating shaft structure increases the tour guide comfort, provides a humanized design and facilitates tour guide and leaning.
Description
Technical Field
The utility model belongs to vehicle spare part design and assembly field are a spacing pivot structure of guide's back particularly.
Background
At present, passenger cars at home and abroad attach more and more importance to the safety and comfort of the use of a tour guide backrest, and in actual use, the torsion spring backrest and the spring rotation are easy to lose effectiveness and faults are frequent.
The guide's back pivot on the existing market is for adopting torsion spring's rotation resilience characteristic basically, and not only assembly structure is complicated, and the spring has the inefficacy risk moreover. When the torsion spring rotates, abnormal sound is easy to occur, and the torsion spring can rotate only by large force. When rebounding, the resilience force is too large, and potential safety hazards exist. The operation burden and danger of the user are increased.
Disclosure of Invention
The utility model aims at providing a stable, the firm pivot of structure is convenient for the guide to use.
According to the technical proposal of the utility model, the tour guide backrest limiting rotating shaft structure is characterized by comprising an upper cover, a steering limiting block, a shaft sleeve shell and a bottom cover,
the shaft sleeve shell is sleeved outside the mounting rod, the upper end of the shaft sleeve shell is provided with an upper cover, the lower end of the shaft sleeve shell is provided with a bottom cover, and one end, close to the upper cover, in the shaft sleeve shell is provided with a steering limiting block; the upper cover and the bottom cover are fixedly arranged on the mounting rod, the bottom cover is connected with the shaft sleeve shell through a bearing, and the fastening device is assembled and fixed in a limiting groove formed in the steering limiting block.
Furthermore, the fastening device is a wave ball fastening screw.
Furthermore, a shoulder part for supporting the shaft sleeve shell is arranged on the bottom cover.
Further, the bearing is a conical pressure bearing.
The beneficial effects of the utility model reside in that:
1. the wave bead fastening screw is matched with the groove to play a role in limiting;
2. the conical bearing is adopted, so that the rotation is convenient;
3. the structure design is simplified, and the safety and the reliability are realized.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the fastening device of the present invention.
Fig. 3 is a schematic structural diagram of the upper cover of the present invention.
Fig. 4 is a top view of the upper cover of the present invention.
Fig. 5 is a front view of the shaft sleeve housing of the present invention.
Fig. 6 is a top view of the tight sleeve housing of the present invention.
Fig. 7 is the front view of the limiting block of the present invention.
Fig. 8 is the utility model discloses the plan view of stopper.
Figure 9 is the top view of utility model stopper bottom.
Fig. 10 is a plan view of the utility model bearing.
Detailed Description
The invention will be further described with reference to the following specific embodiments and the accompanying drawings.
As shown in fig. 1-10: a tour guide backrest limiting rotating shaft structure is characterized by comprising an upper cover 1, a steering limiting block 2, a shaft sleeve shell 3, a bearing 4 and a bottom cover 5.
The shaft sleeve shell 3 is sleeved outside the mounting rod 7, the upper end of the shaft sleeve shell 3 is provided with an upper cover 1, the lower end of the shaft sleeve shell 3 is provided with a bottom cover 5, and one end, close to the upper cover 1, in the shaft sleeve shell 3 is provided with a steering limiting block 2; the upper cover 1 and the bottom cover 5 are fixedly arranged on the mounting rod 7, the bottom cover 5 is connected with the shaft sleeve shell 3 through the bearing 4, and the fastening device 6 is assembled and fixed in a limiting groove 8 formed in the steering limiting block 2.
The tightening device 6 is a wave ball tightening screw.
The bottom cover 5 is provided with a shoulder part for supporting the shaft sleeve shell 3.
The bearing 2 is a conical pressure bearing.
The bottom cover is connected with the shaft sleeve shell through the bearing, so that the rotation is smooth, the labor is saved, and the rebounding is smooth. The one end that is close to the upper cover in the axle sleeve shell is equipped with and turns to the stopper, turns to the stopper and can rotate along with the axle sleeve shell with the position relatively fixed of axle sleeve shell, turns to the protruding spacing face that forms of one side of the lower terminal surface of stopper and bottom up end terminal surface assorted for the angular rotation of restriction axle sleeve shell avoids the back excessive rotation to cause discomfort.
Smooth rotation is required between the bearing 4 and the sleeve housing 3.
The bottom cover 5 is provided with a shoulder part for supporting the shaft sleeve shell 3.
The bearing 2 is a conical pressure bearing, so that the rotation stability can be improved. The mounting rod 7 is a handrail or a fixed structure in the vehicle body for conveniently mounting the backrest.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (4)
1. A tour guide backrest limiting rotating shaft structure is characterized by comprising an upper cover (1), a steering limiting block (2), a shaft sleeve shell (3), a bearing (4) and a bottom cover (5),
the shaft sleeve shell (3) is sleeved outside the mounting rod (7), the upper end of the shaft sleeve shell (3) is provided with an upper cover (1), the lower end of the shaft sleeve shell (3) is provided with a bottom cover (5), and one end, close to the upper cover (1), in the shaft sleeve shell (3) is provided with a steering limiting block (2); the upper cover (1) and the bottom cover (5) are fixedly arranged on the mounting rod (7), the bottom cover (5) is connected with the shaft sleeve shell (3) through a bearing (4), and the fastening device (6) is assembled and fixed in a limiting groove (8) formed in the steering limiting block (2).
2. A travel guide backrest limit rotation shaft structure as claimed in claim 1, wherein the fastening device (6) is a corrugated fastening screw.
3. The structure of claim 1, wherein the bottom cover (5) is provided with a shoulder for supporting the housing (3).
4. A guide's back limit shaft structure as claimed in claim 1, wherein the bearing (4) is a conical bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922487860.3U CN211398254U (en) | 2019-12-31 | 2019-12-31 | Tour guide backrest limiting rotating shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922487860.3U CN211398254U (en) | 2019-12-31 | 2019-12-31 | Tour guide backrest limiting rotating shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211398254U true CN211398254U (en) | 2020-09-01 |
Family
ID=72222897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922487860.3U Active CN211398254U (en) | 2019-12-31 | 2019-12-31 | Tour guide backrest limiting rotating shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211398254U (en) |
-
2019
- 2019-12-31 CN CN201922487860.3U patent/CN211398254U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |