CN2700118Y - Propelling pencil with buffering mechanism - Google Patents
Propelling pencil with buffering mechanism Download PDFInfo
- Publication number
- CN2700118Y CN2700118Y CN 200420030374 CN200420030374U CN2700118Y CN 2700118 Y CN2700118 Y CN 2700118Y CN 200420030374 CN200420030374 CN 200420030374 CN 200420030374 U CN200420030374 U CN 200420030374U CN 2700118 Y CN2700118 Y CN 2700118Y
- Authority
- CN
- China
- Prior art keywords
- pencil
- lead
- buffering mechanism
- propelling pencil
- propelling
- 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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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model discloses a propelling pencil with a buffering mechanism, which comprises a pencil point 17 which is connected with a pencil tube 1, and the propelling pencil with a buffering mechanism is characterized in that a snubbing element 18 is arranged between a guide sleeve 8 and a lead-returning gripping sleeve 9 inside the pencil point 17. Compared with the prior art, the propelling pencil with a buffering mechanism has the following advantages that because the snubbing element is arranged between the guide sleeve 8 and the lead-returning gripping sleeve 9 inside the pencil point 17, the propelling pencil with a buffering mechanism prevents the hardness crash between the guide sleeve 8 and the lead-returning gripping sleeve 9, protects the lead core and avoids waste when the lead core is used. Because of the propelling pencil with a buffering mechanism omits a guide tube difficult to manufacture and assemble and a shrinkage ring matched with the guide tube, the structure of the propelling pencil is greatly simplified, manufacture is easy, and the cost is low. If the propelling pencil with a buffering mechanism is made by the non-metallic material, the reinforcement ring which is embedded in the pencil point can prevent the abrasion of the propelling pencil, and the service life of the propelling pencil with a buffering mechanism can be increased.
Description
Technical field:
The utility model relates to a kind of pencil, particularly a kind of automatic time plumbous buffering pencil.
Background technology:
Propelling pencil is widely used, and mainly is because it can send the pencil pen core when pushing repeatedly, can arbitrarily adjust the lead for retractable pencil length of sending as required, and is very convenient.Present employed propelling pencil also has back plumbous function, promptly when stopping using, can regain lead for retractable pencil by the mode of pushing, and plays a protective role.The structure of this propelling pencil is: (referring to accompanying drawing) has a shaft of a writing brush 1, the shaft of a writing brush 1 and written 17 thread connection, nib 17 inboards stud with guide pin bushing 8, be provided with back push rod 16 in the shaft of a writing brush 1, back push rod 16 connects preceding push rod 14 successively, clamping element 4, the termination of clamping element 4 is provided with longitudinal opening, form three valve structures, the shaft of a writing brush 1, consequent bar 16, preceding push rod 14, clamping element 4 is equipped with the centre bore with the concentric placement lead for retractable pencil 7 of guide pin bushing 8, being provided with back plumbous gripping sleeve 9 in written 17 inboards is complementary with clamping element 4 outsides, inboard in the shaft of a writing brush 1 and nib 17 is fixed with a conduit, be provided with contractile ring in the conduit, clamping element 4 is positioned at the hole of conduit and contractile ring, and the inclined-plane 3 on the port of contractile ring and the clamping element 4 is complementary, and is provided with back-moving spring 15 between the back push rod 16 and the shaft of a writing brush 1.At ordinary times because the effect of spring 15, make back push rod 16, preceding push rod 14, and clamping element 4 be in top dead-centre, clamping element 4 is positioned at the contractile ring of conduit, and is retracted the ring deflation, makes it clamp lead for retractable pencil 7, when pushing back push rod 16 downwards, lead for retractable pencil is moved down by drive, unclamps when clamping element 4 leaves contractile ring and bores core 7, by spring 15 effect returns, repeat said process again, lead for retractable pencil is sent be used to write.When needing to regain lead for retractable pencil 7, promote back push rod 16 downwards, push rod 14, clamping element 4 move down before driving, clamping element 4 is entered back in the plumbous gripping sleeve 9,, unclamp back push rod 16 returning clamping element 4 clamping lead for retractable pencils 7 under plumbous gripping sleeve 9 effects, clamping element 4 drives on the lead for retractable pencils 7 and moves under 15 effects of bullet society, lead for retractable pencil is regained, returned when plumbous gripping sleeve 9 is run into contractile ring and can break away from, finish the action of receiving lead for retractable pencil with clamping element 4.The propelling pencil of this structure returns plumbous gripping sleeve 9 and collides with guide pin bushing 8 when pushing back push rod 16 withdrawal lead for retractable pencils, is easy to make the lead for retractable pencil fracture when clamping lead for retractable pencil, causes waste, has increased use cost.
Summary of the invention:
The purpose of this utility model provides a kind of when pushing consequent bar 16 and regaining lead for retractable pencils, return have between plumbous gripping sleeve 9 and the guide pin bushing 8 pooling feature, reduce the lead for retractable pencil fracture return the plumbous pencil that cushions automatically, overcome the deficiencies in the prior art.
Technical solution of the present utility model is: a kind of automatic time plumbous buffering pencil, it comprises the nib 17 of joining with the shaft of a writing brush 1, it is characterized in that: be provided with bolster 18 in nib 17 between guide pin bushing 8 and time plumbous gripping sleeve 9.
Described bolster 18 is rubber cushion or cushion rubber or spring.
The utility model compared with prior art has following advantage: owing to be provided with bolster between guide pin bushing 8 and time plumbous gripping sleeve 9 in nib 17, so prevented the hard collision between guide pin bushing 8 and time plumbous clamping element 9, protect lead for retractable pencil, avoided lead for retractable pencil waste in use; Be difficult to the conduit processing and assemble and the interior contractile ring that is mated thereof owing to omitted in this device, make time pencil designs simplification automatically, processing and fabricating is easy, and cost is low; As when using nonmetallic materials to make, be embedded in the inboard reinforcing ring of nib and provide protection against wear, increase service life.
Description of drawings:
Fig. 1 is the structural representation that lead for retractable pencil is regained in the utility model specific embodiment;
Fig. 2 is the structural representation that lead for retractable pencil is sent in the utility model specific embodiment.
The specific embodiment:
As shown in the figure: 1 is the shaft of a writing brush, is connected to a nib 17 in the end of the shaft of a writing brush 1, and the shaft of a writing brush 1 connects with nib 17 usefulness screw threads 2, with easy assembly and disassembly.Stud with the guide pin bushing 8 of band centre bore in written 17 inboards, front end studs with lead for retractable pencil holding tube 19.Be provided with back push rod 16 in the shaft of a writing brush 1, consequent bar 16 connects preceding push rod 14, clamping element 4 successively, is thread connection between consequent bar 16 and the preceding paragraph bar 14, is inserting mode between the rear end of preceding push rod 14 and clamping element 4, the front end of clamping element 4 is provided with longitudinal opening, forms three valve structures.The shaft of a writing brush 1, back push rod 16, preceding push rod 14, clamping element 4 is equipped with and the centre bore of the concentric placement lead for retractable pencil 7 of guide pin bushing 8.Be provided with back plumbous gripping sleeve 9 in written 17 inboards, the inboard port of returning plumbous gripping sleeve 9 is provided with inclined-plane 6 and is complementary with the clamping element 4 front ends outside.Be inlaid with clamping guide pipe 12 in the inboard, termination of the shaft of a writing brush 1, the termination that clamps guide pipe 12 leans on boss 13.The inboard port of clamping guide pipe 12 matches with the inclined-plane 3 on the clamping element 4.Between the consequent bar 16 and the shaft of a writing brush 1, be provided with back-moving spring 15.
Described written 17 inboards are provided with bolster 18 between guide pin bushing 8 and time plumbous gripping sleeve 9, bolster 18 can be rubber ring or pad, and also available spring is as long as can play cushioning effect.
As when using nonmetallic materials to make, written 17 inboards are inlaid with metal reinforcing ring 11, connect with screw thread 10 between the metal reinforcing ring 11 and written 17.The reinforcing ring that is embedded in written 17 inboards can reduce wear, and increases service life.
Use is as follows: (as figure) is at ordinary times by the effect of sub-spring 15, make back push rod 16, preceding push rod 14, and clamping element 4 be in top dead-centre, clamping element 4 is positioned at and clamps guide pipe 12, and 12 deflations of clamped guide pipe, makes it clamp lead for retractable pencil 7, when pushing back push rod 16 downwards, lead for retractable pencil is moved down by drive, unclamps lead for retractable pencil 7 when clamping element 4 leaves clamping guide pipe 12, by spring 15 effect returns, repeat said process again, lead for retractable pencil is sent be used to write.When needing to regain lead for retractable pencil 7, promote back push rod 16 downwards, push rod 14, clamping element 4 move down before driving, clamping element 4 is entered back in the plumbous gripping sleeve 9, returning clamping element 4 clamping lead for retractable pencils 7 under plumbous gripping sleeve 9 effects, this moment, bolster 18 played cushioning effect, prevented the pinch off lead for retractable pencil.Push rod 16 after unclamping, clamping element 4 drives on the lead for retractable pencils 7 and moves under spring 15 effects, and lead for retractable pencil is regained, and returns when plumbous gripping sleeve 9 is run into reinforcing ring 11 to break away from clamping companion 4, finishes the action of receiving lead for retractable pencil.
Claims (2)
1, a kind of automatic time plumbous buffering pencil, it comprises the nib [17] of joining with the shaft of a writing brush [1], it is characterized in that: be positioned in nib [17] between guide pin bushing [8] and time plumbous gripping sleeve [9] and be provided with bolster [18].
2, automatic time plumbous buffering pencil according to claim 1, it is characterized in that: described bolster [18] is rubber cushion or cushion rubber or spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420030374 CN2700118Y (en) | 2004-02-14 | 2004-02-14 | Propelling pencil with buffering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420030374 CN2700118Y (en) | 2004-02-14 | 2004-02-14 | Propelling pencil with buffering mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2700118Y true CN2700118Y (en) | 2005-05-18 |
Family
ID=34772113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420030374 Expired - Fee Related CN2700118Y (en) | 2004-02-14 | 2004-02-14 | Propelling pencil with buffering mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2700118Y (en) |
-
2004
- 2004-02-14 CN CN 200420030374 patent/CN2700118Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |