CN202782310U - Chalk clamping device - Google Patents
Chalk clamping device Download PDFInfo
- Publication number
- CN202782310U CN202782310U CN 201220410233 CN201220410233U CN202782310U CN 202782310 U CN202782310 U CN 202782310U CN 201220410233 CN201220410233 CN 201220410233 CN 201220410233 U CN201220410233 U CN 201220410233U CN 202782310 U CN202782310 U CN 202782310U
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- CN
- China
- Prior art keywords
- clamping device
- utility
- pressing plate
- model
- housing
- 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 Aa chalk clamping device, belongs to the technical field of clamping devices and particularly relates to the a chalk clamping device. The utility model provides the chalk clamping device which has strong applicability, is convenient to use, is flexible to disassemble and assemble and is convenient to stamp. The chalk clamping device comprises a shell body and a seal and has the structural key points that a rubber block is arranged on the front part of the shell body, wherein a first pressing plate is arranged in the shell body and is connected with one end of a spring; and the upper end of a seal stamping handle is provided with a second pressing plate which corresponds to the other end of the spring, an internal thread cap which can move up and down is arranged on the stamping handle, and external threads which correspond to the internal thread cap are formed on the rear end of the shell body.
Description
Technical field
The utility model belongs to the clamping device technical field, relates in particular to a kind of chalk clamping device.
Background technology
Chalk is the instrument that widely uses in the daily life, generally is used for book and writes on the blackboard.The chalk in ancient times is made with natural chalk usually, but multiplex other material replaces now.The composition of chalk is a kind of white depositions of calcium sulfate, is not easy to be decomposed, and particle is larger than dust.Now, the chalk of domestic use mainly contains two kinds of common chalk and dust-free chalks, and its main component is calcium carbonate (lime stone) and calcium sulfate (gypsum), or contains a small amount of calcium oxide.
People are when using chalk, and hand directly contacts chalk, and is both unhygienic, and are also inconvenient.
Summary of the invention
The utility model is exactly for the problems referred to above, provide a kind of strong adaptability, easy to use, dismounting flexibly, seal chalk clamping device easily.
For achieving the above object, the utility model adopts following technical scheme, and the utility model comprises housing and seal, and its structural feature housing front portion is provided with block rubber, is provided with the first pressing plate in the housing, and the first pressing plate links to each other with spring one end; The upper end of the handle of described seal is provided with the second pressing plate corresponding to the spring other end, is provided with internal thread cap movable up and down on the handle, and the housing rear end is provided with external screw thread corresponding to the internal thread cap.
As a kind of preferred version, housing described in the utility model is plastic casing.
The utility model beneficial effect
1, strong adaptability
The utility model housing front portion is provided with block rubber.Block rubber has elasticity, can adapt to the clamping of the differentiated chalk of diameter.
2, easy to use
Be provided with the first pressing plate in the utility model housing, the first pressing plate links to each other with spring one end; The upper end of described seal handle is provided with the second pressing plate corresponding to the spring other end.The second pressing plate extrusion spring passes to the first pressing plate with power, and the first pressing plate extrudes suitable length with chalk; When the elastic force of spring can guarantee the hand-held the utility model of user, it is stable that seal partly keeps, not play.
3, dismounting is flexible, seal is convenient
Be provided with internal thread cap movable up and down on the utility model handle, the housing rear end is provided with external screw thread corresponding to the internal thread cap.Be convenient to the dismounting of seal by screw thread.
4, lightweight, cost is low
The utility model housing is plastic casing.Plastic casing is lightweight, cost is low.
5, simple in structure
The utility model comprises housing, seal, block rubber, the first pressing plate, spring, the second pressing plate, internal thread cap, external screw thread; Member is few, connection is simple, so the utility model is simple in structure.
Description of drawings
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with the drawings and the specific embodiments, the utility model is further elaborated.Should be appreciated that the specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Fig. 1 is the utility model structural representation.
Among the figure, 1 is that block rubber, 2 is that housing, 3 is that the first pressing plate, 4 is that spring, 5 is that the second pressing plate, 6 is that internal thread cap, 7 is that handle, 8 is seal.
The specific embodiment
As shown in Figure 1, the utility model comprises housing 2 and seal 8, and housing 2 front portions are provided with block rubber 1, is provided with the first pressing plate 3, the first pressing plates 3 in the housing 2 and links to each other with spring 4 one ends; The upper end of the handle 7 of described seal 8 is provided with the second pressing plate 5 corresponding to spring 4 other ends, is provided with internal thread cap 6 movable up and down on the handle 7, and housing 2 rear ends are provided with external screw thread corresponding to internal thread cap 6.
Described housing 2 is plastic casing.
Above content is the further description of the utility model being done in conjunction with concrete preferred embodiment; can not assert that implementation of the present utility model is confined to these explanations; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; can also make some simple deduction or replace, all should be considered as belonging to the definite protection domain of claims that the utility model is submitted to.
Claims (2)
1. chalk clamping device, comprise housing (2) and seal (8), it is characterized in that housing (2) front portion is provided with block rubber (1), be provided with the first pressing plate (3) in the housing (2), the first pressing plate (3) links to each other with spring (4) one ends; The upper end of the handle (7) of described seal (8) is provided with the second pressing plate (5) corresponding to spring (4) other end, be provided with internal thread cap movable up and down (6) on the handle (7), housing (2) rear end is provided with external screw thread corresponding to internal thread cap (6).
2. described chalk clamping device according to claim 1 is characterized in that described housing (2) is plastic casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220410233 CN202782310U (en) | 2012-08-10 | 2012-08-10 | Chalk clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220410233 CN202782310U (en) | 2012-08-10 | 2012-08-10 | Chalk clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202782310U true CN202782310U (en) | 2013-03-13 |
Family
ID=47809634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220410233 Expired - Fee Related CN202782310U (en) | 2012-08-10 | 2012-08-10 | Chalk clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202782310U (en) |
-
2012
- 2012-08-10 CN CN 201220410233 patent/CN202782310U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20130810 |