CN202146078U - Retractable bookend - Google Patents
Retractable bookend Download PDFInfo
- Publication number
- CN202146078U CN202146078U CN201120266258U CN201120266258U CN202146078U CN 202146078 U CN202146078 U CN 202146078U CN 201120266258 U CN201120266258 U CN 201120266258U CN 201120266258 U CN201120266258 U CN 201120266258U CN 202146078 U CN202146078 U CN 202146078U
- Authority
- CN
- China
- Prior art keywords
- gear
- bookend
- retractable
- tooth
- tooth rows
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a retractable bookend, which belongs to school supplies. The retractable bookend comprises upright plates and a bottom plate, and is characterized in that each of the two upright plates is provided with a horizontal tooth row mounted on one side, sawteeth are arranged on the inner side of each tooth row, a gear is mounted in the middle of the bottom plate between the two tooth rows, and a partition plate is covered on the gear and the tooth rows. The retractable bookend has the advantages that the horizontal tooth rows are respectively mounted on the two upright plates, the gear is mounted between the two tooth rows, mutual positions of the tooth rows can be adjusted by means of rotating the gear so that the distance between the two upright plates of the bookend can be increased or decreased, the partition plate prevents books from pressing on the gear and the tooth rows, and accordingly the retractable bookend can extend or retract without being affected. The retractable bookend has vertical flexibility and stability of a bookshelf, and is suitable for students.
Description
Technical field
The utility model belongs to study article, particularly a kind of telescopic book end.
Background technology
Common book end does not link to each other mutually, and each self-applying is prone to cause the book end distortion, and astasia uses on the base plate fixing two risers to make simple bookshelf usually, can't regulate length again.
The utility model content
Yielding in order to overcome existing book end, astasia, simple bookshelf can't be regulated the deficiency of length, and the utility model provides a kind of scalable book end, and this scalable book end not only can make book stand, and can arbitrarily stretch.
The utility model solves the technical scheme that its technical problem adopted: a kind of scalable book end; Comprise riser, base plate; It is characterized in that: two risers have the tooth row of sawtooth respectively in the inboard of a side installation level; Gear is housed, gear and be coated with dividing plate above the tooth row in the middle of two tooth rows at base plate middle part.
The beneficial effect of the utility model is on two risers of book end horizontal tooth row to be installed respectively; Gear is housed in the middle of two tooth rows; Transmitting gear can be regulated the mutual alignment of tooth row; Distance between two risers of realization book end elongates or shortens, and dividing plate has avoided book to be pressed on gear, the tooth row, makes contraction unaffected.The utility model not only has the flexibility of setting but also have the stability of bookshelf, is fit to the student and uses.
Description of drawings
Fig. 1 is the structural representation of the utility model,
Fig. 2 is the vertical view of Fig. 1
Among the figure, 1. gear, 2. riser, 3. dividing plate, 4. tooth row, 5. base plate.
The specific embodiment
The specific embodiment of the utility model is, and is as shown in the figure:
Claims (1)
1. a scalable book end comprises riser, base plate, it is characterized in that: two risers have the tooth row of sawtooth respectively in the inboard of a side installation level, and gear is housed in the middle of two tooth rows at base plate middle part, gear and be coated with dividing plate above the tooth row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120266258U CN202146078U (en) | 2011-07-26 | 2011-07-26 | Retractable bookend |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120266258U CN202146078U (en) | 2011-07-26 | 2011-07-26 | Retractable bookend |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202146078U true CN202146078U (en) | 2012-02-22 |
Family
ID=45587159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120266258U Expired - Fee Related CN202146078U (en) | 2011-07-26 | 2011-07-26 | Retractable bookend |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202146078U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106724107A (en) * | 2017-01-29 | 2017-05-31 | 邓润丹 | A kind of shoe chest |
| CN106820636A (en) * | 2017-01-29 | 2017-06-13 | 邓润丹 | A kind of extension type shoe chest |
-
2011
- 2011-07-26 CN CN201120266258U patent/CN202146078U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106724107A (en) * | 2017-01-29 | 2017-05-31 | 邓润丹 | A kind of shoe chest |
| CN106820636A (en) * | 2017-01-29 | 2017-06-13 | 邓润丹 | A kind of extension type shoe chest |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 Termination date: 20120726 |