CN208682462U - A kind of compasses needle tip protection sleeve - Google Patents
A kind of compasses needle tip protection sleeve Download PDFInfo
- Publication number
- CN208682462U CN208682462U CN201721372039.1U CN201721372039U CN208682462U CN 208682462 U CN208682462 U CN 208682462U CN 201721372039 U CN201721372039 U CN 201721372039U CN 208682462 U CN208682462 U CN 208682462U
- Authority
- CN
- China
- Prior art keywords
- compasses
- protection sleeve
- tip protection
- needle tip
- needle point
- 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
Links
Abstract
The utility model provides a kind of compasses needle tip protection sleeve; including compasses spur; external screw thread is provided in the outside cylinder of the needle point fixed body of the compasses spur; thread bush is connected on the external screw thread; the lower end of the thread bush is provided with bottom surface, and the center of bottom surface is provided with the circular hole greater than compasses tip diameter.The phenomenon that compasses needle tip protection sleeve is ingenious in design, is effectively protected compasses needle point and is not damaged, and needle point is prevented to hurt sb.'s feelings.
Description
Technical field
The utility model relates to a kind of compasses, more particularly to a kind of compasses needle tip protection sleeve.
Background technique
Compasses are being used as a kind of schooling apparatus, each student, and if placing improper or being touched down on the ground
People or needle point may be pricked Deng, the needle point of compasses to be touched curved or touch disconnected, are damaged or are lost.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of compasses needle tip protection sleeve.
The utility model is achieved through the following technical solutions: a kind of compasses needle tip protection sleeve, including compasses spur, institute
It states and is provided with external screw thread in the outside cylinder of the needle point fixed body of compasses spur, thread bush, the spiral shell are connected on the external screw thread
The lower end of line set is provided with bottom surface, and the center of bottom surface is provided with the circular hole greater than compasses tip diameter.
A kind of compasses needle tip protection sleeve of the utility model compared with prior art, the beneficial effect is that:
1, the compasses needle tip protection sleeve is ingenious in design, is effectively protected compasses needle point and is not damaged, and prevents needle point
The phenomenon that hurting sb.'s feelings.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of compasses needle tip protection sleeve of the utility model.
Fig. 2 is the enlarged view in Fig. 1 at needle point.
Fig. 3 is that protective case is screwed into schematic diagram when bottom plays a protective role.
In figure: 1. compasses spurs, 2. protective cases, 3. screw threads, 4. circular holes, 5. needle points.
Specific embodiment
A kind of compasses needle tip protection sleeve of the utility model is further described with specific embodiment with reference to the accompanying drawing:
Fig. 1 is a kind of structural schematic diagram of compasses needle tip protection sleeve of the utility model, and Fig. 2 is the amplification in Fig. 1 at needle point
View, Fig. 3 are that protective case is screwed into schematic diagram when bottom plays a protective role.In figure, this compasses needle tip protection sleeve, including
Compasses spur 1 is provided with external screw thread 3 in the outside cylinder of the needle point fixed body of the compasses spur 1, connects on the external screw thread 3
There is protective case 2, the lower end of the protective case 2 is provided with bottom surface, and the center of bottom surface is provided with greater than 5 diameter of compasses needle point
Circular hole 4.
This compasses protective case revolves upwards when in use, by protective case, and needle point is exposed, when not in use, by protective case to
Backspin, so that needle point is retracted into protective case.The compasses needle tip protection sleeve is ingenious in design, be effectively protected compasses needle point not by
The phenomenon that damaging, and needle point prevented to hurt sb.'s feelings.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not intended to limit the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe
Know professional and technical personnel, do not departing within the scope of technical solutions of the utility model, when using the disclosure above method and
Technology contents make a little change or the equivalent embodiment for being modified to equivalent variations, but all without departing from the utility model technology
The content of scheme, it is made by the above technical examples according to the technical essence of the present invention it is any it is simple modification, equivalent variations with
Modification, is still within the scope of the technical solutions of the present invention.
Claims (1)
1. a kind of compasses needle tip protection sleeve, including compasses spur, it is characterised in that: outside the needle point fixed body of the compasses spur
It is provided with external screw thread on cylinder, thread bush is connected on the external screw thread, the lower end of the thread bush is provided with bottom surface, bottom surface
Center is provided with the circular hole greater than compasses tip diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721372039.1U CN208682462U (en) | 2017-10-23 | 2017-10-23 | A kind of compasses needle tip protection sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721372039.1U CN208682462U (en) | 2017-10-23 | 2017-10-23 | A kind of compasses needle tip protection sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208682462U true CN208682462U (en) | 2019-04-02 |
Family
ID=65874704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721372039.1U Expired - Fee Related CN208682462U (en) | 2017-10-23 | 2017-10-23 | A kind of compasses needle tip protection sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208682462U (en) |
-
2017
- 2017-10-23 CN CN201721372039.1U patent/CN208682462U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 Termination date: 20191023 |