CN201317187Y - Chalk clip - Google Patents
Chalk clip Download PDFInfo
- Publication number
- CN201317187Y CN201317187Y CNU2008202317069U CN200820231706U CN201317187Y CN 201317187 Y CN201317187 Y CN 201317187Y CN U2008202317069 U CNU2008202317069 U CN U2008202317069U CN 200820231706 U CN200820231706 U CN 200820231706U CN 201317187 Y CN201317187 Y CN 201317187Y
- Authority
- CN
- China
- Prior art keywords
- screw thread
- supporting arms
- outer sleeve
- support arm
- elongated slot
- 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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- Table Equipment (AREA)
Abstract
The utility model discloses a chalk clip, which is provided with an outer sleeve with an inner screw thread and a hollow inner sleeve, wherein a tray is arranged on the bottom of the inner sleeve, supporting arms which are evenly distributed are arranged on the tray, a screw thread is arranged on the supporting arms, an elongated slot corresponding to the supporting arms is arranged on the inner sleeve, the supporting arms are threaded through the elongated slot and are connected with the outer sleeve, clamping claws are arranged on the upper portion of the inner sleeve, and a hoop with the screw thread is arranged outside the claws. The device is sanitary and convenient, and has comfortable hand feeling. The outer sleeve is provided with the screw thread inside and drives the tray supporting arms which are connected with the outer sleeve and are also provided with the screw thread to move upwards to push chalks upwards to suitable length through screwing the outer sleeve, and then the hoop on the upper end can be screwed tightly. The chalks do not need holding with hands to avoid the trouble of 'burning hands'. Thread adjustment can be suitable for arbitrary length of teachers' habits.
Description
Technical field
The utility model relates to a kind of teaching aid, is the chalk folder specifically.
Background technology
The most chalks of still directly taking of teacher write now, and it is unhygienic that chalk directly contacts hand, and the constituent of chalk also has damage to skin, and the chalk folder is more now, but the majority operation inconvenience influences its popularization.
Summary of the invention
The purpose of this utility model is to provide a kind of chalk folder, its hygienic and convenient, and length is easily transferred.
The technical solution of the utility model is as follows:
This device has tapped overcoat, also has hollow interior cover, in interior cover bottom pallet is arranged, this dish has uniform support arm, on this support arm screw thread is arranged, put the elongated slot corresponding with support arm interior, support arm passes above-mentioned elongated slot and overcoat joins, gripper jaw is arranged at the top at interior cover, and this pawl has threaded hoop outward.
The support arm of above-mentioned pallet is 4.
Above-mentioned gripper jaw is 3-4.
Advantage of the present utility model is: 1, this device health, convenience, comfortable feel.Screw thread is arranged in the overcoat, turn its and drive the also threaded pallet support arm join with it and move upward, the chalk of boosting to suitable length, is tightened the hoop of upper end then and is got final product.Take chalk to avoid the puzzlement of " burning hand " without hand.2, reconcile conveniently, threaded adjusting can be fit to the random length of teacher's custom.3, front end is with the fixing chalk of gripper jaw, and fixing is reliable.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is that the utility model pallet rises to the certain altitude structural representation;
Fig. 3 is the vertical view of the new pallet of this practicality.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
By Fig. 1--3 can see, this device has tapped overcoat 4, also has hollow interior cover 3, there are pallet 7, this dish that 4 uniform support arms 6 are arranged in interior cover bottom, on this support arm screw thread arranged, put 4 elongated slots 5 corresponding interior with support arm, support arm 6 passes above-mentioned elongated slot 5 and joins with overcoat 4, and 4 gripper jaws 2 are arranged on the top of interior cover, and this pawl has threaded hoop 8 outward.
Its drives the pallet support arm join with it and moves upward to turn overcoat, and the chalk 1 of boosting to suitable length, is tightened the hoop of upper end and got final product.
Claims (3)
1, a kind of chalk folder, it is characterized in that: it has tapped overcoat (4), also has hollow interior cover (3), in interior cover bottom pallet (7) is arranged, this dish has uniform support arm (6), on this support arm screw thread is arranged, at the interior elongated slot corresponding (5) that put with support arm, support arm passes above-mentioned elongated slot and overcoat joins, and gripper jaw (2) is arranged on the top of interior cover, and this pawl has threaded hoop (8) outward.
2, chalk folder according to claim 1, it is characterized in that: the support arm (6) of its pallet (7) is 4.
3, chalk folder according to claim 1, it is characterized in that: its gripper jaw (2) is 3-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202317069U CN201317187Y (en) | 2008-12-10 | 2008-12-10 | Chalk clip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202317069U CN201317187Y (en) | 2008-12-10 | 2008-12-10 | Chalk clip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201317187Y true CN201317187Y (en) | 2009-09-30 |
Family
ID=41195957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202317069U Expired - Fee Related CN201317187Y (en) | 2008-12-10 | 2008-12-10 | Chalk clip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201317187Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229299A (en) * | 2011-07-01 | 2011-11-02 | 姚树兰 | Chalk clip |
-
2008
- 2008-12-10 CN CNU2008202317069U patent/CN201317187Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229299A (en) * | 2011-07-01 | 2011-11-02 | 姚树兰 | Chalk clip |
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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: 20090930 Termination date: 20101210 |