CN209111825U - A kind of scalable brush-type erasing rubber - Google Patents

Abstract

The utility model provides a kind of scalable brush-type erasing rubber, including erasing rubber, brush, it is characterised in that: the erasing rubber and brush are individually fixed in telescoping mechanism both ends, and erasing rubber, brush and telescoping mechanism are mounted in storage shell；Telescoping mechanism is controlled by control stick, presses control stick, and erasing rubber and brush can be stretched out from storage shell, be retracted.The utility model has the beneficial effects that erasing rubber and brush be linked as making together clearing up the eraser chips generated after erasing rubber use it is more convenient.Scalable brush-type erasing rubber had then both protected erasing rubber and brush to be not easy to be damaged, and especially brush bristles are not easy to be damaged, and easy to carry, easy to operate.

Description

A kind of scalable brush-type erasing rubber

Technical field

The present invention relates to cultural goods fields, more particularly to a kind of scalable brush-type erasing rubber.

Background technique

Erasing rubber is a kind of very common study article, and erasing rubber in use, can generate eraser chips, is cleared up in time Eraser chips just can guarantee the clean and tidy of document.And brush is then one of cleaning eraser chips ideal tools.The common band brush of people at present The erasing rubber of son, such as a kind of on 2 16th, 2018 " brush erasing rubber " (application publication numbers announced of State Patent Office CN107696760A) be erasing rubber and brush a kind of simple combination, the hair on erasing rubber and brush is exposed outside, is unfavorable for rubber Skin wiping using and protecting with brush.

Summary of the invention

In order to solve the above technical problems, the present invention provides a kind of scalable brush-type erasing rubber.Its technical solution is one The scalable brush-type erasing rubber of kind, including erasing rubber, brush, it is characterised in that: the erasing rubber and brush are individually fixed in Telescoping mechanism both ends, erasing rubber, brush and telescoping mechanism are mounted in storage shell；The storage shell is that the tubular of both ends open holds Device, is respectively provided with a limiting block at both ends open, and storage shell-side face is provided with through-hole；Left limit is further fixed among storage shell Plate, right limit plate；Left and right limit plate center is all provided with the equal circular hole of diameter, is additionally provided with right limit flat spring on right limit plate Column；The telescoping mechanism by control stick, rack gear, control stick spring stack, swingle, rotation gear, promote tooth, telescopic rod, flexible Tooth, control stick return spring, axial return spring composition；The section of the control stick and the through-hole in storage shell-side face match, and manipulate Bar is placed in through-hole, can freely be moved back and forth；The lower surface of control stick is equipped with rack gear, and the section of tooth is right angle on the rack gear Triangle；Control stick upper surface is equipped with the control stick spring stack vertical with upper surface；The control stick return spring is mounted on right limit On position flat spring column and control stick spring stack；The swingle is by hollow cylinder and is respectively attached to two side external surface of hollow cylinder On rotation gear, promote tooth composition；The side of two rotation gears promotes tooth to occupy rotary teeth respectively close to left and right limit plate Take turns the other side；Hollow cylinder overall diameter is less than the diameter of limit plate circular hole；Rotate the diameter that gear diameter is greater than limit plate circular hole； Two rotation gears under this structure can only rotate, and cannot move axially；Rotation gear matches with control stick rack gear, in control stick It is one-directionally rotated under the promotion of rack gear；The power of pressing control stick makes control lever movement and drives rotary teeth on the swingle being engaged with Wheel one-directional rotation makes control stick reset to original state after the power for pressing control stick is cancelled under the effect of control stick return spring； Telescopic rod is also dispersed in the two sides of swingle；The telescopic rod is promoting the side of tooth to be equipped with close to swingle and is promoting tooth phase Matched expansion teeth when original state, promotes tooth to be meshed with flexible gear；The telescopic rod other side is fixed with erasing rubber or brush Connection；Axial return spring is located between storage shell both ends limiting block and erasing rubber or brush.Control stick move back and forth stroke by The manipulation pole length stretched out on the outside of storage shell determines, control stick is made rotary teeth wheel can only to be pushed to turn a fixed angle every time, revolves Rotating disk promotes tooth to push the expansion teeth on telescopic rod along telescopic rod axially outward movement on swingle during rotation, when When rotary teeth goes to fixed angle, tooth and expansion teeth is promoted to generate dislocation, promote tooth and expansion teeth tooth tip it is inconsistent force it is flexible Tooth is released axially outward, stretches out the erasing rubber being attached thereto, brush outside storage case；Erasing rubber, brush are set at this time Axial return spring between storage shell limiting block is in compressive state；Control stick is pressed again, tooth is promoted to rotate alone, is stretched Tooth resets under the effect of axial return spring and pushes tooth engagement state, and the erasing rubber being attached thereto at this time, brush are recovered to again It stores in shell.

Beneficial effects of the present invention: erasing rubber and brush of the present invention are individually fixed in telescoping mechanism both ends, erasing rubber, Brush and telescoping mechanism are mounted in storage shell, make erasing rubber and brush is organic is linked as together；Telescoping mechanism is controlled by control stick, Control stick is pressed, erasing rubber and brush can be stretched out from storage shell, be retracted.Make to clear up the eraser chips generated after erasing rubber use more It is convenient.Scalable brush-type erasing rubber had then both protected erasing rubber and brush to be not easy to be damaged, especially brush bristles be not easy by Damage, and it is easy to carry, it is easy to operate.

Detailed description of the invention

Fig. 1 is a kind of schematic diagram of scalable brush-type erasing rubber

Fig. 2 is a kind of structural blast schematic diagram of scalable brush-type erased by rubber decapsidate

Fig. 3 is a kind of structural schematic diagram of scalable brush-type erasing rubber swingle

Fig. 4 be telescopic rod in conjunction with brush after schematic diagram

Fig. 5 be telescopic rod in conjunction with erasing rubber after schematic diagram

In figure: 1, storing shell；11, limiting block；12, through-hole；13, left limit plate；131, circular hole；14, right limit plate；141, Circular hole；142 right limit flat spring columns；21 swingles；211, gear is rotated；212, tooth is promoted；22, telescopic rod；221, expansion teeth； 222, erasing rubber；223, brush；23, control stick；231, rack gear；232；Control stick spring stack；24, control stick return spring；25, axis To return spring.

Specific embodiment

The following drawings illustrate a specific embodiment of the invention:

The scalable brush-type erasing rubber of one kind of the present invention, Fig. 1 are its appearance schematic diagram.Fig. 2 is a kind of scalable Structural blast schematic diagram after brush-type erasing rubber removal shell.It includes erasing rubber 222, brush 223, the erasing rubber 222 and brush 223 be individually fixed in telescoping mechanism both ends, erasing rubber 222, brush 223 and telescoping mechanism are mounted on storage shell 1 It is interior.The storage shell 1 is the cylindrical container of both ends open, and a limiting block 11 is respectively provided at both ends open, stores shell-side face It is provided with through-hole 12；Left limit plate 13, right limit plate 14 are further fixed among storage shell；Two limit plate centers are provided with same diameter Circular hole 131 is equipped with right limit flat spring column 142, through-hole on the position view storage shell of limit plate spring stack on right limit plate 14 Depending on 12 positions, it could be secured on left limit plate 13.The telescoping mechanism is by control stick 23, rack gear 231, control stick spring stack 232, swingle 21, rotation gear 211, propulsion tooth 212, telescopic rod 22, expansion teeth 221, control stick return spring 24, axial reset Spring 25 forms.The section of the control stick 23 and the through-hole 12 of storage 1 side of shell match, and control stick 23 is located at storage shell through-hole In 12, can freely it move back and forth；The lower surface of control stick 23 is equipped with rack gear 231, and the section of tooth is right angle on the rack gear 231 Triangle drives the rotation gear 211 being engaged with to one-directionally rotate；The control stick return spring 24 is mounted on right limit flat spring On column 142 and control stick spring stack 232, the control stick 23 after cancelling the power for pressing control stick 23 resets to original state；Such as Swingle 21 shown in Fig. 3 is by hollow cylinder and the rotation gear 211 being attached on hollow cylinder outer surface, 212 groups of tooth of propulsion At rotation gear 211 and propulsion tooth 212 are distributed in hollow cylinder both ends；Hollow cylinder overall diameter is less than limit plate circular hole 131 Diameter；Rotate the diameter that 211 diameter of gear is greater than limit plate circular hole 131；Two rotation gears 211 are located at left and right limit plate Outside, the swingle 21 in this position can only be rotated, cannot be moved axially.Rotate gear 211 and 231 phase of control stick rack gear Matching, one-directionally rotates under the promotion of control stick rack gear 231；As shown in Figure 4,5, it is also dispersed in the two sides of swingle 21 flexible Bar；The telescopic rod 22 is equipped with the expansion teeth 221 to match with propulsion tooth 212 in the side close to swingle 21；Telescopic rod 22 The other side is fixedly connected with erasing rubber 222 or brush 223.Pressing control stick 23 rotates gear to when flushing with storage shell surface 211 turn an angle and stop motion, promote tooth 212 and expansion teeth 221 to generate dislocation at this time, promote tooth 212 and expansion teeth 221 tooth tips are inconsistent；Tooth 212 is promoted to push the expansion teeth 221 on telescopic rod 22 along telescopic rod on swingle 21 during this 22 axially outward movements stretch out the erasing rubber 222 being attached thereto, brush 223 just outside storage shell 1；Erasing rubber is set at this time 222, the axial return spring 25 between brush 223 and storage shell limiting block 11 is in compressive state；Remove pressing control stick 23 External force, control stick 23 return to original state under the effect of control stick return spring 24.Control stick 23 is pressed again, on control stick Rack gear 231 drive the rotation gear 211 on swingle 21 to rotate certain angle, promote tooth 212 with expansion teeth 221 in axial direction Return spring 25 returns to the erasing rubber 222 being attached thereto at this time to meshing state, brush 223 in axial return spring 25 under acting on It is withdrawn under promotion in storage shell 1.

Embodiment of above is only a specific embodiment of the invention.The present invention is not limited to the above-described embodiments, any People can obtain other various forms of products under the inspiration of the present invention.However, making any change in its shape or structure Change, all technical solutions identical or similar with the present invention, within its protection scope.

Claims (1)

1. a kind of scalable brush-type erasing rubber, including erasing rubber (222), brush (223), it is characterised in that: the rubber It wipes (222) and brush (223) is individually fixed in telescoping mechanism both ends, erasing rubber (222), brush (223) and telescoping mechanism installation In storage shell (1)；Storage shell (1) is the cylindrical container of both ends open, and a limiting block is respectively provided at both ends open (11), storage shell (1) side is provided with through-hole (12)；Left limit plate (13), right limit plate are further fixed among storage shell (1) (14)；Left and right limit plate center is all provided with the equal circular hole of diameter (131), is additionally provided with right limit plate bullet on right limit plate (14) Spring column (142)；The telescoping mechanism is by control stick (23), rack gear (231), control stick spring stack (232), swingle (21), rotation Rotating disk (211) promotes tooth (212), telescopic rod (22), expansion teeth (221), control stick return spring (24), axial return spring (25) it forms；The section of the control stick (23) and the through-hole (12) in storage shell-side face match, and control stick (23) is inserted into through-hole (12) it can freely be moved back and forth in；The lower surface of control stick (23) is equipped with rack gear (231), and the section of the rack gear (231) is Right angled triangle；Control stick (23) upper surface is equipped with the control stick spring stack (232) vertical with upper surface；The control stick resets Spring (24) is mounted on right limit flat spring column (142) and control stick spring stack (232)；The swingle (21) is by hollow cylinder With rotation gear (211), propulsion tooth (212) composition being respectively attached on two side external surface of hollow cylinder；Two rotation gears (211) side promotes tooth (212) to occupy rotation gear (211) other side respectively close to left and right limit plate；Outside hollow cylinder Diameter is less than the diameter of limit plate circular hole (131)；Rotate the diameter that gear (211) diameter is greater than limit plate circular hole (131)；This knot Two rotations gear (211) under structure can only rotate, and cannot move axially；Rotate gear (211) and control stick rack gear (231) phase Match, is one-directionally rotated under the promotion of control stick rack gear (231)；Erasing rubber telescopic rod is also dispersed in the two sides of swingle (21) (22), brush telescopic rod (22)；The telescopic rod (22) is promoting the side of tooth (212) to be equipped with close to swingle and is promoting tooth (212) expansion teeth (221) to match promotes tooth (212) to be meshed with expansion teeth (221)；Telescopic rod (22) other side and rubber Skin wipes (222) or brush (223) is fixedly connected；Axial return spring (25) is located at storage shell (1) both ends limiting block (11) and rubber It wipes between (222) or brush (223).