CN202180664U - Handheld chalk sleeve - Google Patents
Handheld chalk sleeve Download PDFInfo
- Publication number
- CN202180664U CN202180664U CN201120206979XU CN201120206979U CN202180664U CN 202180664 U CN202180664 U CN 202180664U CN 201120206979X U CN201120206979X U CN 201120206979XU CN 201120206979 U CN201120206979 U CN 201120206979U CN 202180664 U CN202180664 U CN 202180664U
- Authority
- CN
- China
- Prior art keywords
- chalk
- runner
- left shell
- shell
- hand
- 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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Abstract
The utility model discloses a handheld chalk sleeve which comprises a shell, wherein the shell consists of a left shell (1) and a right shell (2), which are in threaded connection with each other; a cavity for containing a chalk is arranged in the shell; and a push device which is used for pushing the chalk to act is also arranged in the shell. The handheld is capable of ensuring the hand sanitation of teachers and avoiding chalk waste.
Description
Technical field
The utility model relates to a kind of stationery, specifically is a kind of hand-held chalk sleeve.
Background technology
As everyone knows, the teacher often needs on blackboard, to write, draw and explain.Use chalk not only can influence teacher's hand hygiene for a long time; And because the long or too short speed and the quality of writing that all can influence of chalk; Therefore teacher's part that generally all can fracture is used; Abandon too short part after the use again, this has not only caused the waste of chalk, and the chalk that abandons also is prone to cause environmental pollution.For these reasons, demand urgently a kind ofly guaranteeing teacher's hand hygiene, the hand-held chalk sleeve that can avoid chalk to waste again, to address the above problem.
The utility model content
The technical problem that the utility model will solve is, overcomes the defective of above prior art, provides a kind of and can guarantee teacher's hand hygiene, can avoid the hand-held chalk sleeve of chalk waste again.
The technical scheme of the utility model is, a kind of hand-held chalk sleeve is provided, and comprises housing, and described housing is made up of left shell that is threaded and right shell body; Be provided with the cavity of a ccontaining chalk in the described housing, also be provided with one in the described housing and promote the thrust unit that chalk moves.
Described thrust unit comprises runner, top board and the screw rod that is connected with top board, and described runner and left shell are rotationally connected; The center of said runner is provided with a screwed hole, and described screwed hole is connected with screw flight.
Described runner and left shell are rotationally connected and are meant: described runner is provided with an axial and annular through-hole that supply left shell to pass, and described left shell is rotationally connected through annular through-hole and runner.
After adopting above structure, the utility model compared with prior art has the following advantages:
The hand-held chalk sleeve of the utility model is provided with housing, can guarantee the health of teacher's hand through housing.Also be provided with one in the described housing and promote the thrust unit that chalk moves, when chalk used up, rotating wheel drove the action of screw rod and top board, thereby chalk is released, and is able to continue use.Therefore avoid the waste of chalk, also avoided discarded chalk head that environment is impacted simultaneously.
Description of drawings
Accompanying drawing is the structural representation of the hand-held chalk sleeve of the utility model.
Shown in the figure 1, left shell, 2, right shell body, 3, cavity, 4, runner, 4.1, screwed hole, 4.2, annular through-hole, 5, top board, 6, screw rod.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further.
Shown in accompanying drawing, a kind of hand-held chalk sleeve of the utility model comprises housing, and described housing is made up of left shell that is threaded 1 and right shell body 2; Be provided with the cavity 3 of a ccontaining chalk in the described housing, also be provided with one in the described housing and promote the thrust unit that chalk moves.
Described thrust unit comprises runner 4, top board 5 and the screw rod 6 that is connected with top board 5, and described runner 4 is rotationally connected with left shell 1; The center of said runner 4 is provided with a screwed hole 4.1, and described screwed hole 4.1 is threaded with screw rod 6.
Described runner 4 is rotationally connected with left shell 1 and is meant: described runner 4 is provided with an axial and annular through-hole 4.2 that supply left shell to pass, and described left shell 1 is rotationally connected through annular through-hole 4.2 and runner 4.
Below only be described, but can not be interpreted as it is restriction claim with regard to the most preferred embodiment of the utility model.The utility model is not limited only to above embodiment, and its concrete structure allows variation.In every case the various variations of in the protection domain of the utility model independent claims, being done are all in the protection domain at the utility model.
Claims (3)
1. hand-held chalk sleeve, it is characterized in that: comprise housing, described housing is made up of left shell that is threaded (1) and right shell body (2); Be provided with the cavity (3) of a ccontaining chalk in the described housing, also be provided with one in the described housing and promote the thrust unit that chalk moves.
2. hand-held chalk sleeve according to claim 1 is characterized in that: described thrust unit comprises runner (4), top board (5) and the screw rod (6) that is connected with top board (5), and described runner (4) is rotationally connected with left shell (1); The center of said runner (4) is provided with a screwed hole (4.1), and described screwed hole (4.1) is threaded with screw rod (6).
3. hand-held chalk sleeve according to claim 2; It is characterized in that: described runner (4) is rotationally connected with left shell (1) and is meant: described runner (4) is provided with an axial and annular through-hole (4.2) that supply left shell to pass, and described left shell (1) is rotationally connected through annular through-hole (4.2) and runner (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120206979XU CN202180664U (en) | 2011-06-16 | 2011-06-16 | Handheld chalk sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120206979XU CN202180664U (en) | 2011-06-16 | 2011-06-16 | Handheld chalk sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202180664U true CN202180664U (en) | 2012-04-04 |
Family
ID=46173712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120206979XU Expired - Fee Related CN202180664U (en) | 2011-06-16 | 2011-06-16 | Handheld chalk sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202180664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076743A (en) * | 2019-04-30 | 2019-08-02 | 上海外高桥造船有限公司 | Lengthen mark pen clip |
-
2011
- 2011-06-16 CN CN201120206979XU patent/CN202180664U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076743A (en) * | 2019-04-30 | 2019-08-02 | 上海外高桥造船有限公司 | Lengthen mark pen 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: 20120404 Termination date: 20120616 |