CN2712655Y

CN2712655Y - Telescopic automatic pencil eraser

Info

Publication number: CN2712655Y
Application number: CN 200420064043
Authority: CN
Inventors: 王新富
Original assignee: Fujian Soundy Enterprise Co Ltd
Current assignee: Fujian Soundy Enterprise Co Ltd
Priority date: 2004-05-13
Filing date: 2004-05-13
Publication date: 2005-07-27
Anticipated expiration: 2014-05-13

Abstract

The utility model relates to a telescopic automatic pencil eraser, comprising a pencil hanger, a pencil tube, an inner tube and an eraser. The utility model the utility model is characterized in that the lower end part of the inner tube is provided with two more axial elongated slot; the remaining part of the inner tube is formed into a clip tongue; the wall thickness of the end part of the clip tongue is thickened gradually; the end part is the most thick; A bellmouthing collar is sheathed on the clip tongue; the collar is matched mutually with the clip tongue to make the elongated eraser be clamped in the inner tube; both the inner tube and the collar are installed in the pencil tube to be clamped and positioned in a prepared hole in the pencil tube via a convex point outside of the collar; a return spring is provided between the inner tube and the pencil tube; the pen clip is sheathed on the upper end part of the inner tube. When the pencil clip is pressed, the spring is compressed by the inner tube to descend; the clip tongue clamping the elongated eraser is pushed downward to extend out from the lower end of the pencil tube for being used. The utility model whose external form can be similar with the external form of the pencil has reasonable structure, convenient carry over and storage; the extension or the retraction of the eraser can be controlled by that the pen hanger is pressed down, preventing the eraser from being polluted, and extending the service life.

Description

Telescopic from starting writing wiping

Technical field:

The utility model belongs to the cultural goods field, and particularly a kind of automatically retractable is wiped for the pen of wiping person's handwriting in the shaft of a writing brush outside.

Background technology:

It is to follow pencil to produce and develop that pen is wiped, the structure of pencil is from wooden pencil propelling pencil till now, produced bigger variation, made things convenient for the writer to avoid the hardship that sharpens a pencil, and pen is wiped as annex, does not have very big variation all the time, outside often the monoblock pen is wiped and is exposed to, use and once make one dirty, also be easy to wear out, effect is reused in influence.The patent of the open a multi-functional Automatic rubber by name of Chinese patent communique, the patent No. is 00202021.1, this multi-functional Automatic rubber comprises the rubber bar, drive link, moving plug and rubber, wherein be provided with in the rubber bar and screw, rotate moving plug and can make moving plug do the cavity that rectilinear motion is provided with internal thread along the rubber rod axis with the moving plug external screw thread; Be provided with the drive link of plug rotation of energy Tape movement and rubber bar axial location in the rubber bar cavity; In the rubber bar rubber is housed, auspicious being fixed on the moving plug of rubber.Owing to adopt rotary structure to cooperate, complex structure manufacture process requirement height needs bimanualness, comparatively trouble during use.

Summary of the invention:

The purpose of this utility model is the telescopic from starting writing wiping of a kind of push type one-hand operation of design.

Technical solutions of the utility model are achieved in that a kind of telescopic from starting writing wiping, comprise pen clip, the shaft of a writing brush, interior pipe and rubber, the pipe bottom offers axial elongated slot more than two in it is characterized in that, remaining part forms clip tongue, clip tongue end wall thickness is thickening gradually from top to bottom, the end is the thickest, one slightly is bell-mouthed collar is set on the clip tongue, cooperatively interact the strip rubber is clamped in the interior pipe, in pipe together be installed in the shaft of a writing brush with collar and utilize the salient point in the collar outside to be positioned in location in the shaft of a writing brush preformed hole, be provided with back-moving spring between the interior pipe and the shaft of a writing brush, pipe upper end in a Casing with pen is located at.It is descending to press pen clip, interior pipe compression spring downwards, and clip tongue carries that the bar shaped rubber is descending and expose the collar horn mouth secretly, and clip tongue loses the collar constraint, and the bar shaped rubber can glide under the effect of self gravitation and expose shaft of a writing brush lower end and export, and uses for the writer.

In addition, consider that rubber is hour or during the non-perpendicular shape down of shaft of a writing brush outlet, rubber is difficult to skid off, tackle this situation, a reducing shape is made in outlet in shaft of a writing brush lower end, and it can clamp rubber, the chucking power when its chucking power is slightly less than in the clip tongue withdrawal collar, rubber taken advantage of a situation when in collar, moving down and release shaft of a writing brush outlet a bit when pressing down the pen clip clip tongue like this, be enough to satisfy the need of wiping more at every turn.

The utlity model has reasonable in design; external form can be made into pen similar; it is very convenient to carry and preserve; pressing down pen clip during use gently can control rubber and stretch out or withdraw; the shaft of a writing brush is affectedly bashful more sure more firmly; be convenient to wipe power on probation, the shaft of a writing brush also effectively protects rubber not contaminated simultaneously, increases the service life.

Description of drawings:

Below in conjunction with concrete legend the utility model is described further:

Fig. 1 is the telescopic section one of wiping from starting writing

Fig. 2 is the telescopic section two of wiping from starting writing

Fig. 3 is the telescopic wiping three-dimensional exploded view of starting writing certainly

Wherein

1-collar 11-salient point 12-groove 13-long rabbet 2-rubber

Pipe 31-elongated slot 32-clip tongue 321-projection 33-notch in the 3-

34-wedge shape salient point 35-omoplate 4-spring 5-shaft of a writing brush 51-preformed hole

52-salient point 6 pen clips

The specific embodiment:

With reference to Fig. 1,2 and Fig. 3, a kind of telescopic from starting writing wiping, comprise pen clip 6, the shaft of a writing brush 5, interior pipe 3 and rubber 2, pipe 3 bottoms offer axial elongated slot 31 more than two wherein, remaining part forms clip tongue 32, and clip tongue 32 end wall thickness are thickening gradually from top to bottom, and the end is the thickest.Described clip tongue 32 is end-thickened to be meant 32 of clip tongues spacing is constant from top to bottom, and thickening is on the outer wall of end, form an external upset (EU) projection 321, one slightly is bell-mouthed collar 1 is set on the clip tongue 32, cooperatively interacts strip rubber 2 is clamped in the interior pipe 3, and its principle is that clip tongue 32 ends are thicker, in the time of in bouncing back to collar, certainly will clip tongue 32 contract toward in, play the effect that clamps rubber 2, the use rubber is unlikely to contract in pipe when wiping.Interior pipe 3 together is installed in the shaft of a writing brush 5 with collar 1 and utilizes the salient point 11 in collar 1 outside to be positioned in location in the shaft of a writing brush 5 preformed holes 51, pipe 3 can be done suitable relative displacement with collar 1 like this, rubber is produced the do action that clamps, takes out of, gets loose and go clamping again, finish the purpose that rubber is sent automatically.The

interior pipe

3 and 5 on the shaft of a writing brush are provided with spring 4, one pen clips 6 and are set in interior pipe 3 upper ends.For retainer spring 4, interior pipe 3 upper end close ends are provided with an omoplate 35, and pen clip 6 and spring 4 one ends all contact on omoplate 35, shorten a boss 52 in the shaft of a writing brush 5 inner undersides into, and spring 4 two ends contact respectively on 35 on shaft of a writing brush inner convex platform 52 and interior pipe omoplate.Pen clip 6 plays the effect of transmission power when pushing, the shaft of a writing brush 5 returns are by the elastic force of spring 4.The shaft of a writing brush 5 lower ends export into a reducing shape, and it can clamp rubber, cooperate with clip tongue 32 to reach the purpose of sending rubber 2.And the shaft of a writing brush 5 lower ends export into the inverted cone shape reducing, and rubber is unlikely to produce and rocks when making wiping.

In addition, collar 1 salient point 11 wedgewise shapes, outer gradually from bottom to top the exhibition ejected the location from the shaft of a writing brush 5 ends along sliding to preformed hole under the shaft of a writing brush when installing like this.Salient point 11 is located at collar 1 upper end, and its both sides offer axial groove 12, offers the notch 33 of projected area greater than salient point 11 on the interior pipe 3 at corresponding salient point 11 places, and inserting at collar 1 provides the inwardly space of pipe 3 retractions of salient point 11 when installing.In the pipe 3 wedge shape salient point 34 that is provided with an evagination, offer on the corresponding collar 1 and can allow the long rabbet 13 of wedge shape salient point 34 slippages, play the effect of pipe 3 in mutual location and the constraint.

The telescopic wiping from starting writing can be made rectangle or square in order to distinguish lettering pen, it is rectangular-shaped also to be that pen clip 6, the shaft of a writing brush 5, interior pipe 3, collar 1 and rubber 2 cross sections are, and spring 4 also adopts square certainly, could be supporting with it.

Claims

1, a kind of telescopic from starting writing wiping, comprise pen clip, the shaft of a writing brush, interior pipe and rubber, the pipe bottom offers axial elongated slot more than two in it is characterized in that, remaining part forms clip tongue, clip tongue end wall thickness is thickening gradually from top to bottom, the end is the thickest, one slightly is bell-mouthed collar is set on the clip tongue, cooperatively interact the strip rubber is clamped in the interior pipe, in pipe together be installed in the shaft of a writing brush with collar and utilize the salient point in the collar outside to be positioned in location in the shaft of a writing brush preformed hole, be provided with back-moving spring between the interior pipe and the shaft of a writing brush, pipe upper end in a Casing with pen is located at.

2, the telescopic wiping of starting writing certainly according to claim 1 is characterized in that shaft of a writing brush lower end exports into a reducing shape, and it can clamp rubber.

3, the telescopic wiping of starting writing certainly according to claim 1 is characterized in that collar salient point wedgewise shape, outer gradually from bottom to top the exhibition.

4, according to claim 1 or the 3 described telescopic wipings of starting writing certainly, it is characterized in that salient point is located at the collar upper end, its both sides offer axial groove, offer the notch of projected area greater than salient point on the interior pipe at corresponding salient point place.

5, according to claim 1 or 3 described telescopic from wiping of starting writing, it is characterized in that interior pipe is provided with the wedge shape salient point of an evagination, respective bundles puts to offer and can allow the long rabbet of wedge shape salient point slippage.

6, the telescopic upper end close end of managing in starting writing wiping, it is characterized in that according to claim 1 is provided with an omoplate, and pen clip and spring one end all contact on omoplate.

7, according to claim 1, the 2 or 3 described telescopic wipings of starting writing certainly, it is characterized in that pen clip, the shaft of a writing brush, interior pipe, collar and rubber cross section are rectangular-shaped.

8, the telescopic wiping of starting writing certainly according to claim 1 it is characterized in that spacing is constant between clip tongue from top to bottom, and thickening is in formation one external upset (EU) projection on the outer wall of end.

9, according to claim 2 telescopic from starting writing wiping, it is characterized in that shaft of a writing brush lower end exports into the inverted cone shape reducing.

10, according to claim 1,2, the 6 or 9 described telescopic wipings of starting writing certainly, it is characterized in that shortening in the shaft of a writing brush inner underside boss, both ends of the spring contacts respectively between shaft of a writing brush inner convex platform and interior pipe omoplate.