CN210211839U

CN210211839U - Telescopic eraser

Info

Publication number: CN210211839U
Application number: CN201920778564.6U
Authority: CN
Inventors: Guangcheng Liu; 刘光成
Original assignee: Dongyang Qihao Stationery Co Ltd
Current assignee: Zhejiang Qihao Stationery Co ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-03-31
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a scalable eraser, include the shell and locate the groove of accomodating on the shell, it is provided with flexible subassembly to accomodate the inslot activity, flexible subassembly's bottom is equipped with the mounting groove, the joint installation is fixed with the rubber joint in the mounting groove, the overhead fixed eraser body that is provided with of rubber joint. The utility model provides a scalable eraser, made things convenient for people to come the position of flexible adjustment eraser body according to the use needs, people can hand the shell and use, even can not appear handing awkward problem when the last tip when the eraser body uses like this, and when not needing to use, can accomodate the eraser body to accomodating the inslot, made things convenient for like this to accomodate the saving to the eraser body, can't used repeatedly after having avoided appearing tearing the plastic film among the conventional art, and the plastic film of abandoning can cause white pollution's problem.

Description

Telescopic eraser

Technical Field

The utility model relates to a stationery product field especially relates to a scalable eraser.

Background

The eraser is stationery made of rubber and can wipe off traces of graphite or ink. The eraser has various types, different shapes and colors, and comprises a common fragrant eraser, a special art eraser with models of 2B, 4B, 6B and the like for drawing, a plastic eraser and the like.

Most of the erasers in the traditional technology are independent individuals, have no shell, cannot be stored, and often have the problem of inconvenient hand holding when being used to the final end part; moreover, the eraser in the traditional technology is usually packaged by plastic films, the eraser can not be reused after the plastic films are torn off, and the discarded plastic films can cause white pollution.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems that the traditional eraser without a shell is inconvenient to store and the packaging plastic film is easy to cause pollution, and providing the telescopic eraser.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a telescopic eraser comprises a shell and a containing groove arranged on the shell, wherein a telescopic assembly is movably arranged in the containing groove, the bottom of the telescopic assembly is provided with a mounting groove, a rubber clamping joint is fixedly clamped in the mounting groove, an eraser body is fixedly arranged on the rubber clamping joint, and the eraser body movably extends out of the containing groove;

the telescopic assembly is slidably mounted on the inner walls of the two sides of the accommodating groove in the vertical direction, a thread transmission groove is formed in the top of the telescopic assembly, a rotary rod is rotatably mounted in the accommodating groove, the bottom end of the rotary rod extends into the thread transmission groove and is in thread transmission connection with the thread transmission groove, and the top end of the rotary rod rotatably extends above the shell and is fixedly connected with a rotary disc; be equipped with the rotation hole on the top inner wall of accomodating the groove, the rotary rod rotates to run through in rotating the hole, is located rotate downthehole fixed the cup joint has rotated the spacing ring on the rotary rod, be provided with annular spacing groove on the circumference inner wall in rotation hole, rotate the spacing ring and rotate and locate annular spacing inslot.

Preferably, be located and accomodate the inslot be equipped with the external screw thread on the rotary rod, be equipped with the internal thread on the inner wall in screw thread transmission groove, external screw thread on the rotary rod and the internal thread looks adaptation on the screw thread transmission inslot wall.

Preferably, the both sides of flexible subassembly all are equipped with the direction spout, all be equipped with solid fixed sliding block on the both sides inner wall of holding the groove, flexible subassembly passes through direction spout and solid fixed sliding block along vertical direction sliding connection.

Preferably, the outer wall of the rotary limiting ring is connected with the inner wall of the annular limiting groove in a rotating and sliding mode.

Preferably, all be equipped with the joint arch on the both sides inner wall of mounting groove, the both sides of rubber joint all are equipped with the joint recess, joint recess and the protruding joint that cooperatees of joint.

Preferably, the bottoms of the inner walls of the two sides of the accommodating groove are respectively provided with a limiting block, and one sides of the two limiting blocks, which are close to each other, are respectively contacted with the two sides of the eraser body.

Preferably, a plurality of anti-slip protrusions are provided on the circumferential surface of the rotating disc.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model provides a scalable eraser through the cooperation of rotating disc, rotary rod, rotation spacing ring, annular spacing groove, rotation hole, flexible subassembly, direction spout, fixed slider, can make things convenient for people to stretch out and draw back the position of adjustment eraser body as required according to the use, in the use moreover, people can hand the shell and use, even can not appear handing awkward problem when the eraser body uses last tip like this.

2. When the telescopic eraser is not needed to be used, the eraser body can be stored in the storage groove, so that the eraser body can be conveniently stored; meanwhile, a series of problems caused by the fact that the traditional eraser is usually packaged through a plastic film can be avoided, namely the problems that the plastic film cannot be reused after being torn off in the traditional technology, and the discarded plastic film causes white pollution are avoided.

Drawings

Fig. 1 is a schematic structural view of a retractable eraser according to the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a schematic view of the connection between the middle rotary disk and the rotary rod of the present invention.

In the figure: 1. a housing; 2. a telescoping assembly; 3. an eraser body; 4. rotating the disc; 5. rotating the rod; 6. a threaded drive slot; 7. a receiving groove; 8. fixing the sliding block; 9. a guide chute; 10. rotating the hole; 11. an annular limiting groove; 12. rotating the limiting ring; 13. an external thread; 14. mounting grooves; 15. clamping the bulges; 16. clamping the groove; 17. a limiting block; 18. a rubber snap joint.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a telescopic eraser comprises a shell 1 and a containing groove 7 arranged on the shell 1, wherein a telescopic component 2 is movably arranged in the containing groove 7, a mounting groove 14 is arranged at the bottom of the telescopic component 2, a rubber clamping joint 18 is fixedly clamped in the mounting groove 14, an eraser body 3 is fixedly arranged on the rubber clamping joint 18, and the eraser body 3 movably extends out of the containing groove 7;

the telescopic assembly 2 is slidably mounted on the inner walls of two sides of the accommodating groove 7 in the vertical direction, a threaded transmission groove 6 is formed in the top of the telescopic assembly 2, a rotary rod 5 is rotatably mounted in the accommodating groove 7, the bottom end of the rotary rod 5 extends into the threaded transmission groove 6 and is in threaded transmission connection with the threaded transmission groove 6, and the top end of the rotary rod 5 rotatably extends to the upper side of the shell 1 and is fixedly connected with a rotary disc 4; be equipped with on the top inner wall of accomodating groove 7 and rotate hole 10, rotary rod 5 rotates to run through in rotating hole 10, and the fixed cover that has connect on the rotary rod 5 that is located to rotate hole 10 has rotated spacing ring 12, is provided with annular spacing groove 11 on the circumference inner wall of rotation hole 10, and rotates spacing ring 12 and rotate and locate annular spacing groove 11.

The utility model provides a scalable eraser, made things convenient for people to come the position of flexible adjustment eraser body 3 according to the use needs, people can hand shell 1 and use, even can not appear handing inconvenient problem when eraser body 3 uses final tip like this, and when not needing to use, can accomodate eraser body 3 to accomodating in the groove 7, it accomodates the saving to eraser body 3 to have made things convenient for like this, can't used repeatedly after having avoided appearing tearing the plastic film among the conventional art, and the plastic film of abandoning can cause white pollution's problem.

Specifically, the rotary rod 5 positioned in the accommodating groove 7 is provided with an external thread 13, the inner wall of the thread transmission groove 6 is provided with an internal thread, and the external thread 13 on the rotary rod 5 is matched with the internal thread on the inner wall of the thread transmission groove 6.

Specifically, the both sides of flexible subassembly 2 all are equipped with direction spout 9, all are equipped with solid fixed sliding block 8 on the both sides inner wall of accomodating groove 7, and flexible subassembly 2 passes through direction spout 9 and solid fixed sliding block 8 along vertical direction sliding connection.

Specifically, the outer wall of the rotation limiting ring 12 is rotationally and slidably connected with the inner wall of the annular limiting groove 11.

Specifically, all be equipped with joint arch 15 on the both sides inner wall of mounting groove 14, the both sides of rubber joint 18 all are equipped with joint recess 16, and joint recess 16 and the protruding 15 joint that cooperate of joint, like this when the eraser body 3 has used up, can realize whole dismantlement and change for shell 1 can used repeatedly.

Specifically, the bottom of the inner wall of the two sides of the accommodating groove 7 is provided with a limiting block 17, one side of the two limiting blocks 17 close to each other is respectively contacted with the two sides of the eraser body 3, and the two limiting blocks 17 limit the two sides of the eraser body 3 to prevent the eraser body 3 from shaking left and right in the wiping use process.

Specifically, the circumferential surface of the rotating disk 4 is provided with a plurality of anti-slip protrusions, and the anti-slip protrusions can play a role of anti-slip.

When the eraser is used, a user can drive the rotating rod 5 to rotate by rotating the rotating disc 4, meanwhile, the rotating limiting ring 12 fixedly sleeved on the rotating rod 5 rotates in the annular limiting groove 11 for limiting, the rotating rod 5 can be ensured to rotate relatively in the rotating hole 10, and the telescopic component 2 is in sliding fit with the fixed sliding block 8 along the vertical direction through the guide sliding groove 9, so that when the rotating rod 5 rotates, the external thread 13 on the rotating rod 5 and the internal thread on the inner wall of the thread transmission groove 6 can be in thread transmission, the rotating motion of the rotating rod 5 is converted into the linear motion of the telescopic component 2, and the telescopic component 2 can drive the eraser body 3 to extend downwards to the outside of the accommodating groove 7 through the rubber clamping joint 18 and can be used; in addition, in the using process, people can use the shell 1 by holding the shell by hand, so that the problem of inconvenient use by holding the eraser body 3 to the final end part can be avoided.

When the eraser is not needed to be used, the eraser body 3 can be finally stored in the storage groove 7 through the reverse operation, namely, the rotating disc 4 is reversely rotated, and the rotating motion of the rotating rod 5 is converted into the linear motion of the telescopic assembly 2, so that the eraser body 3 is convenient to store and store; meanwhile, a series of problems caused by the fact that the traditional eraser is usually packaged through a plastic film can be avoided, namely the problems that the plastic film cannot be reused after being torn off and the discarded plastic film causes white pollution in the traditional technology are avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A telescopic eraser comprises a shell (1) and a containing groove (7) arranged on the shell (1), and is characterized in that a telescopic assembly (2) is movably arranged in the containing groove (7), the bottom of the telescopic assembly (2) is provided with a mounting groove (14), a rubber clamping joint (18) is fixedly clamped in the mounting groove (14), an eraser body (3) is fixedly arranged on the rubber clamping joint (18), and the eraser body (3) movably extends out of the containing groove (7);

the telescopic component (2) is slidably mounted on the inner walls of two sides of the accommodating groove (7) in the vertical direction, a thread transmission groove (6) is formed in the top of the telescopic component (2), a rotary rod (5) is rotatably mounted in the accommodating groove (7), the bottom end of the rotary rod (5) extends into the thread transmission groove (6) and is in thread transmission connection with the thread transmission groove (6), and the top end of the rotary rod (5) rotatably extends to the upper side of the shell (1) and is fixedly connected with a rotary disc (4); be equipped with on the top inner wall of accomodating groove (7) and rotate hole (10), rotary rod (5) rotate run through in rotating hole (10), are located rotary rod (5) in rotating hole (10) and go up fixed the having cup jointed and have rotated spacing ring (12), be provided with annular spacing groove (11) on the circumference inner wall of rotating hole (10), and rotate spacing ring (12) and rotate and locate annular spacing groove (11).

2. The retractable eraser as claimed in claim 1, wherein the rotating rod (5) located in the receiving groove (7) is provided with an external thread (13), the inner wall of the threaded transmission groove (6) is provided with an internal thread, and the external thread (13) on the rotating rod (5) is matched with the internal thread on the inner wall of the threaded transmission groove (6).

3. The retractable eraser as claimed in claim 1, wherein the retractable assembly (2) is provided with guide sliding grooves (9) on both sides, the accommodating groove (7) is provided with fixed sliding blocks (8) on both inner walls, and the retractable assembly (2) is connected with the fixed sliding blocks (8) in a sliding manner in a vertical direction through the guide sliding grooves (9).

4. The retractable eraser as claimed in claim 1, wherein the outer wall of the rotation limiting ring (12) is rotatably and slidably connected with the inner wall of the annular limiting groove (11).

5. The telescopic eraser as claimed in claim 1, wherein clamping protrusions (15) are provided on inner walls of both sides of the mounting groove (14), clamping grooves (16) are provided on both sides of the rubber clamping head (18), and the clamping grooves (16) are in clamping engagement with the clamping protrusions (15) in a matching manner.

6. The retractable eraser as claimed in claim 1, wherein the bottom of the inner wall of the accommodating groove (7) is provided with a limit block (17), and the side of the two limit blocks (17) close to each other is respectively contacted with the two sides of the eraser body (3).

7. The retractable eraser as claimed in claim 1, wherein a plurality of anti-slip protrusions are provided on the circumferential surface of the rotating disc (4).