CN204801296U - Energy -conserving pencil of receiving - Google Patents
Energy -conserving pencil of receiving Download PDFInfo
- Publication number
- CN204801296U CN204801296U CN201520473221.0U CN201520473221U CN204801296U CN 204801296 U CN204801296 U CN 204801296U CN 201520473221 U CN201520473221 U CN 201520473221U CN 204801296 U CN204801296 U CN 204801296U
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- CN
- China
- Prior art keywords
- pencil
- connector
- thread
- screw thread
- connecting piece
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an energy -conserving pencil of receiving, the both ends of this pencil are equipped with one section 2 - 4 centimetres long trapezoidal thread, the external diameter of this screw thread is less than 0.2 - 2 millimeters pencil diameters, the middle section of screw thread is equipped with ends the position groove, a pencil thread end is equipped with the connecting piece rather than worm drive, the lead angle of the interior external screw thread of connecting piece and pencil end is lighter than equivalent friction angle, the both ends of connecting piece locate to be equipped with the elasticity jump ring of a pair of one end rigid coupling other end for free activity in opposite directions, the buckle was fixed a position with ending position groove block when the connecting piece removed. Can not shake hands when writing when the pencil of half, the thread end of another pencil changes over to over to to the connecting piece in, makes the pencil of half increase length, is convenient for hold the pen and writes, has improved the utilization ratio of pencil, and waste is reduced has practiced thrift the resource.
Description
Technical field
The utility model relates to a kind of pencil, especially relates to a kind of pencil received.
Background technology
See from the situation that student's pencil uses, the effective rate of utilization of a pencil does not reach 2/3rds, and remaining pencil is write because not gripping and is dropped.According to relevant personnel's incomplete statistics, the pencil that annual national pupil discards about 700,000,000, about 4410 cubic metres, the timber that meter is discarded, lead for retractable pencil about 420 cubic metres, the quantity of waste is very surprising.So a kind of half pencil that makes carries out the sleeve connected to have human hair to understand, because the sleeve configuration of this connection is large, hold a pen uncomfortable and have influence on and write, sleeve diameter is difficult to the pencil of adaptive all size immediately simultaneously, therefore, can not get the accreditation in market, be difficult to promote the use of.
Summary of the invention
The purpose of this utility model is for existing deficiency, there is provided a kind of and make screw thread at existing pencil two ends, screw thread one end configuration connector, when the pencil of half can not shake hands write time, the end of thread of another pencil proceeds to in connector, makes the pencil of half add length, be convenient to hold a pen and write, improve the utilization rate of pencil, decrease waste, save resource.
To achieve the above object, the utility model solves the technical scheme that its technical problem adopts: a kind of pencil received, comprise pencil, it is characterized in that: the two ends of described pencil are provided with the trapezoidal thread of one section of 2-4 centimeter length, the external diameter of this screw thread is less than pencil diameter 0.2-2 millimeters, the stage casing of screw thread is provided with position-arresting groove, pencil one end of thread is provided with the connector with its worm drive, the lift angle of the internal and external threads of connector and pencil end is less than equivalent friction angle, it is freely movable Elastic buckle that the two ends of connector are located respectively to be provided with a pair affixed other end in one end in opposite directions, when connector moves, buckle engages with position-arresting groove and locates.
The external diameter of described connector is slightly larger than the external diameter of pencil, and connector two ends outer wall is provided with the annular knurl line increasing frictional force.
Described connector is that plastics or metal material are made.
After described connector is connected with pencil, in connector, be provided with erasing rubber.
The periphery of described rubber sassafras is provided with screw thread, with connector threaded engagement.
The invention has the beneficial effects as follows: 1. often prop up that one end of pencil is supporting is equipped with a rotary connector, when becoming half after pencil uses, the end of thread of another pencil is transferred in this connector, the pencil of half is lengthened, be convenient to shake hands, can continue to use, make the utilization rate of pencil reach more than 85%.2. this connector profile is close with pencil profile, and its diameter, slightly larger than the diameter of pencil, does not affect holding a pen and writing of child.3. because the buckle of connector is connected in the position-arresting groove of pencil, connector is not easily separated, avoid pupil, in order to save time, the two ends of pencil are whittled into nib, cause the injury to human body; Connector is non-dismountable simultaneously, has wrapped up the top of pencil, some has normally been stung to the student of this bad habit of the tip of the brushstyle of a writing or painting, prevents graphite in pen core from sucking in human body and affecting healthy.4. connector and pencil end are trapezoidal thread, and the lift angle of its internal and external threads is less than equivalent friction angle, can not produce relative motion between screw pair, can not loosen voluntarily and obtain self-locking after connector is connected with pencil.Two pencils are connected firmly, do not produce dancing, do not affect to write and write.Adopt this method of attachment simultaneously, make the contraction in length of connector, decrease material cost, the length that utilizes of pencil is also increased.5. can set up erasing rubber in connector, the use amount of rubber end can be produced gradually in erasing rubber word uses, prevent rubber from exposing and oversizely easily to be fractureed.The length of erasing rubber can being set according to expense in connector, ensureing that erasing rubber reaches the consumption often propping up pencil, using without the need to being equipped with erasing rubber in addition.Erasing rubber and connector rotate and design, and make erasing rubber reach maximum use amount, do not cause the waste of erasing rubber, solve the problem that block erasing rubber is abandoned because not pinching with hand after use half.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of connector.
Fig. 3 is the profile of A---A in Fig. 2.
Fig. 4 is the structural representation that erasing rubber connects.
Fig. 5 is the schematic diagram that two-section pencil connects.
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
Detailed description of the invention
As shown in Figure 1, a kind of pencil received, comprise pencil, the trapezoidal thread 11 of one section of 2-4 centimetre length is made at the two ends of described pencil 1, the lift angle of screw thread 11 is less than equivalent friction angle, the external diameter that screw thread is 11 sections is less than the diameter 0.2-2 millimeters of pencil 1, and the stage casing of this screw thread 11 is provided with the position-arresting groove 12 being slightly deeper than screw thread ditch.
As shown in Figure 2,3, connector 2 is provided with internal thread 21, the lift angle of screw thread 21 is less than equivalent friction angle, coordinate with screw thread 11 transmission of pencil 1 end, it is freely movable Elastic buckle 22 that the two ends of connector 2 are located respectively to be provided with a pair affixed other end in one end in opposite directions, and when connector 2 moves, buckle 22 engages with position-arresting groove 12 and locates.The two ends outer wall of connector 2 is provided with the annular knurl line 23 increasing frictional force.Described connector 2 is made for plastics or metal material.
As shown in Figure 1,5, pencil 1 one end of thread is provided with the connector 2 with its worm drive, the external diameter of thread segment is less than the diameter of pencil, the external diameter of connector 2 is reduced, when connector 2 is connected with pencil 1, the external diameter of connector, slightly larger than the external diameter of pencil, can not cause the uncomfortable phenomenon and affecting of holding a pen to write.
The connection of two half pencils, easily occur that junction swings insecure, impact holds a pen and writes.The connector 2 of this technology and pencil 1 end design for trapezoidal thread, the lift angle of its internal and external threads is less than equivalent friction angle, relative motion can not be produced between screw pair, can not loosen voluntarily and obtain self-locking after connector 2 is connected with pencil 1, two pencils are connected firmly, do not produce dancing, do not affect to write and write.Adopt this method of attachment simultaneously, make the contraction in length of connector, decrease material cost, the length that utilizes of pencil is also increased.
After connector 2 is connected with pencil 1, connector 2 Telescopic pencil 1 free to rotate end, can arrange erasing rubber 3 in connector 2.The periphery of described rubber sassafras 3 is provided with screw thread 31, coordinates, as shown in Figure 4 with connector 2 screw thread 21.
In connector 2, the setting of erasing rubber 3 can be determined as required.When not setting up erasing rubber, it is equal with pencil end that connector rotation is retracted into top, wrap up the top of pencil, not make some pupil, in order to save time, the two ends of pencil are whittled into nib, having prevented the nib on top from injuring human body because of carelessness when writing; Also some is normally stung to the student of this bad habit of the tip of the brushstyle of a writing or painting simultaneously, avoid graphite in pen core suck in human body and affect healthy.When setting up erasing rubber in connector, the length of erasing rubber can being set according to expense, ensureing that erasing rubber reaches the consumption often propping up pencil, using without the need to being equipped with erasing rubber in addition.The use amount of rubber end can be produced gradually in erasing rubber word uses, prevent rubber from exposing and oversizely easily to be fractureed.Erasing rubber and connector rotate and design, and make erasing rubber reach maximum use amount, do not make the waste of will erasing rubber.
The embody rule of this technology is: can not write when writing when becoming the pencil 4 of half after using, connector 2 rotates and stretches out outside pencil end, the buckle 22 of connector 2 the inner is engaged with the position-arresting groove 41 on this half pencil 4 screw thread, then another untapped pencil 1 end of thread is transferred in connector 2, position-arresting groove 12 on the pencil screw thread that buckle 22 and this of connector 2 outer end proceed to engages and locates, two pencils are firmly connected, can proceed to use.
Obviously; above-described embodiment of the present utility model is only be preferred embodiment of the present utility model; certainly the interest field of the utility model can not be limited with this; therefore according to spirit of the present invention the apparent change of extending out or variation, still belong among the utility model institute protection domain.
Claims (5)
1. the pencil received, comprise pencil, it is characterized in that: the two ends of described pencil (1) are provided with the trapezoidal thread (11) of one section of 2-4 centimeter length, the external diameter of this screw thread (11) is less than pencil (1) diameter 0.2-2 millimeters, the stage casing of screw thread (11) is provided with position-arresting groove (12), pencil (1) one end of thread is provided with and the connector of its worm drive (2), the lift angle of the internal and external threads that connector (2) and pencil (1) are held is less than equivalent friction angle, it is freely movable Elastic buckle (22) that the two ends of connector (2) are located respectively to be provided with a pair affixed other end in one end in opposite directions, when connector (2) is mobile, buckle (22) engages with position-arresting groove (12) and locates.
2. a kind of pencil received according to claim 1, is characterized in that: the external diameter of described connector (2) is slightly larger than the external diameter of pencil (1), and connector two ends outer wall is provided with the annular knurl line (23) increasing frictional force.
3. a kind of pencil received according to claim 1, is characterized in that: described connector (2) is made for plastics or metal material.
4. a kind of pencil received according to claim 1, is characterized in that: after described connector (2) is connected with pencil (1), is provided with erasing rubber (3) in connector.
5. a kind of pencil received according to claim 4, is characterized in that: the periphery of described rubber sassafras (3) is provided with screw thread (31), with connector threaded engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520473221.0U CN204801296U (en) | 2015-06-30 | 2015-06-30 | Energy -conserving pencil of receiving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520473221.0U CN204801296U (en) | 2015-06-30 | 2015-06-30 | Energy -conserving pencil of receiving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204801296U true CN204801296U (en) | 2015-11-25 |
Family
ID=54586182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520473221.0U Withdrawn - After Issue CN204801296U (en) | 2015-06-30 | 2015-06-30 | Energy -conserving pencil of receiving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204801296U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972796A (en) * | 2015-06-30 | 2015-10-14 | 胡海明 | Saving pencil capable of being prolonged infinitely |
| CN105751749A (en) * | 2016-05-06 | 2016-07-13 | 崔云天 | Economical pencil |
-
2015
- 2015-06-30 CN CN201520473221.0U patent/CN204801296U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972796A (en) * | 2015-06-30 | 2015-10-14 | 胡海明 | Saving pencil capable of being prolonged infinitely |
| CN105751749A (en) * | 2016-05-06 | 2016-07-13 | 崔云天 | Economical pencil |
| CN105751749B (en) * | 2016-05-06 | 2018-05-25 | 崔云天 | Economic pencil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151125 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |