CN213261771U

CN213261771U - Eraser installation mechanism and eraser with same

Info

Publication number: CN213261771U
Application number: CN202022103342.XU
Authority: CN
Inventors: 徐玮谦; 李仁�; 陆云峰
Original assignee: Shanghai M&G Stationery Inc
Current assignee: Shanghai M&G Stationery Inc
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-05-25
Anticipated expiration: 2030-09-23

Abstract

The utility model relates to a stationery technical field provides an eraser installation mechanism and have its eraser. The rubber mounting mechanism comprises a shell, a rotating piece and a pushing slide block, wherein a spiral part is arranged in the shell; the sliding track is arranged in the shell, the rotating knob is positioned outside the shell, and the rotating piece is rotatably arranged relative to the shell; the pushing sliding block is used for installing the rubber body, movably arranged in the sliding track and circumferentially fixed with the sliding track; wherein, promote to be provided with connecting portion on the slider, connecting portion and spiral portion adaptation to when rotatory knob drives the slip track and rotates, connecting portion remove along spiral portion, so that the rubber body has the service position that stretches out the casing and the storage position that retracts the casing. The rubber body is moved by rotating the rotary knob, so that the shell can be gripped by a user under most conditions in the process of using the rubber body, and the condition of rotating the rotary knob by mistake is not easy to occur.

Description

Eraser installation mechanism and eraser with same

Technical Field

The utility model relates to a stationery technical field especially relates to an eraser installation mechanism and have its eraser.

Background

In the rotary eraser in the related art, the extension and retraction of the eraser are adjusted by rotating the shell, but the rotating contact area of the shell is large, so that the eraser is moved due to misoperation of a user in the use process, and the use experience is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an eraser installation mechanism and have its eraser to be used for reliably unscrewing the eraser body.

According to a first aspect of the present invention, there is provided a rubber mounting mechanism, comprising:

a housing, in which a spiral part is arranged;

the rotating piece comprises a rotating knob and a sliding track which are connected, the sliding track is arranged in the shell, the rotating knob is positioned outside the shell, and the rotating piece is rotatably arranged relative to the shell;

the pushing sliding block is used for installing the rubber body, movably arranged in the sliding track and circumferentially fixed with the sliding track;

wherein, promote to be provided with connecting portion on the slider, connecting portion and spiral portion adaptation to when rotatory knob drives the slip track and rotates, connecting portion remove along spiral portion, so that the rubber body has the service position that stretches out the casing and the storage position that retracts the casing.

In one embodiment of the present invention, the spiral portion is a spiral groove, and the connecting portion is a protrusion; or the spiral part is a spiral protrusion and the connecting part is a groove.

In an embodiment of the present invention, the housing includes:

the screw-type rotary knob comprises a body, wherein a spiral part is arranged in the body, the body is hollow, two ends of the body are opened, and a rotary knob is positioned at one end of the body;

the outer sleeve is sleeved at the other end of the body far away from the rotary knob, the outer sleeve is hollow, two ends of the outer sleeve are opened, and the rubber body extends out of one end of the outer sleeve far away from the rotary knob;

the outer sleeve is used for being in limit contact with the pushing sliding block so as to prevent the pushing sliding block from being separated from the shell.

In an embodiment of the present invention, the body is connected to the outer sleeve in a snap-fit manner, so that the body is fixedly connected to the outer sleeve.

In an embodiment of the present invention, the rubber mounting mechanism further comprises:

the dustproof cover is detachably connected with one end, far away from the rotary knob, of the outer sleeve to shield the opening of the outer sleeve.

In an embodiment of the present invention, the sliding rail is provided with a notch to expose the connecting portion, and the pushing slider is in spacing contact with two side walls of the notch, so that the pushing slider is circumferentially fixed to the sliding rail.

In an embodiment of the present invention, the plurality of gaps are provided at intervals, the plurality of connecting portions are provided at intervals, and the plurality of connecting portions and the plurality of gaps correspond to each other one by one.

The utility model discloses an in the embodiment, be provided with the spacing lug of inner wall on the casing, be provided with the spacing lug of knob on the slip track, the spacing lug of knob is located the spacing lug of inner wall and keeps away from the one end of rotatory knob, the spacing lug of inner wall be used for with the spacing lug spacing contact of knob to avoid the rotating member to break away from the casing.

In one embodiment of the present invention, at least one of the housing, the rotating member, and the pushing slider is a plastic member.

According to a second aspect of the present invention, there is provided an eraser comprising the eraser mounting mechanism and the eraser body.

The utility model discloses a rubber installation mechanism can move along the casing through rotating member and promotion slider drive rubber body to make rubber body can be in the service position with accomodate the position switching. Through the rotatory knob drive slip track that is located the casing outside for the casing rotates, promote the slider and rotate the in-process, connecting portion can remove along the spiral portion, promote the slider promptly and drive the rubber body and remove along the axial direction of casing, owing to realize the removal of rubber body through rotating rotatory knob, thereby at the in-process that uses rubber body, the casing all can be held tightly under the user most condition, thereby be difficult to appear the condition of mistake rotation knob.

Drawings

The various objects, features and advantages of the present invention will become more apparent from the following detailed description of the preferred embodiments of the invention, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the invention and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:

FIG. 1 is an exploded view of an eraser according to an exemplary embodiment;

FIG. 2 is a schematic diagram illustrating a first perspective of an eraser according to an exemplary embodiment;

FIG. 3 is a schematic diagram illustrating a second perspective of an eraser according to an exemplary embodiment;

FIG. 4 is a schematic diagram illustrating a third perspective of an eraser according to an exemplary embodiment;

FIG. 5 is a schematic diagram illustrating a fourth perspective of an eraser according to an exemplary embodiment;

FIG. 6 is a schematic diagram illustrating a fifth perspective of an eraser according to an exemplary embodiment;

FIG. 7 is a schematic diagram illustrating a cross-sectional configuration of an eraser according to an exemplary embodiment;

fig. 8 is a schematic cross-sectional view of an eraser body according to an exemplary embodiment.

The reference numerals are explained below:

10. a housing; 11. a spiral portion; 12. a body; 121. the outer sleeve is provided with a limiting bulge; 122. a limiting groove is sleeved; 13. a jacket; 131. the dustproof cover limiting bulge; 14. an inner wall limiting lug; 20. a rotating member; 21. rotating the knob; 211. hanging holes; 22. a sliding track; 221. a notch; 222. a knob limit bump; 30. pushing the sliding block; 31. a connecting portion; 32. a rubber clamping bump; 40. an eraser body; 50. and a dust cover.

Detailed Description

Exemplary embodiments that embody features and advantages of the invention are described in detail below. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the following description of various exemplary embodiments of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems, and steps in which aspects of the invention may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "over," "between," "within," and the like may be used in this specification to describe various example features and elements of the invention, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures to fall within the scope of the invention.

An embodiment of the present invention provides a rubber mounting mechanism, please refer to fig. 1 to 8, the rubber mounting mechanism includes: a housing 10, wherein a spiral part 11 is arranged in the housing 10; the rotating member 20, the rotating member 20 includes a rotating knob 21 and a sliding track 22 connected with each other, the sliding track 22 is disposed in the housing 10, the rotating knob 21 is located outside the housing 10, and the rotating member 20 is rotatably disposed relative to the housing 10; the pushing sliding block 30 is used for installing the rubber body 40, the pushing sliding block 30 is movably arranged in the sliding track 22, and the pushing sliding block 30 is fixed with the sliding track 22 in the circumferential direction; wherein, the pushing slider 30 is provided with a connecting portion 31, the connecting portion 31 is adapted to the spiral portion 11, so that when the rotating knob 21 drives the sliding track 22 to rotate, the connecting portion 31 moves along the spiral portion 11, so that the rubber body 40 has a use position extending out of the housing 10 and a storage position retracting into the housing 10.

The rubber mounting mechanism of an embodiment of the present invention can drive the rubber body 40 to move along the housing 10 through the rotary member 20 and the push slider 30, so that the rubber body 40 can be switched between the use position and the storage position. The sliding track 22 is driven to rotate relative to the casing 10 by the rotating knob 21 positioned outside the casing 10, and in the rotating process of the pushing slider 30, the connecting part 31 can move along the spiral part 11, namely, the pushing slider 30 drives the rubber body 40 to move along the axial direction of the casing 10, because the rubber body 40 is moved by rotating the rotating knob 21, in the process of using the rubber body 40, a user can hold the casing 10 in most cases, and the condition of rotating the rotating knob 21 by mistake is not easy to occur.

It should be noted that, because the pushing slider 30 is circumferentially fixed to the sliding track 22, it can be ensured that the sliding track 22 can drive the pushing slider 30 to rotate in the rotation process, and because the connecting portion 31 is matched with the spiral portion 11, the pushing slider 30 can move along the spiral portion 11 in the rotation process, so that it is ensured that the sliding track 22 can normally rotate under the driving of an external force, and the pushing slider 30 can move along the extending direction of the spiral portion 11.

It should be noted that the connection portion 31 and the spiral portion 11 are matched similarly to the matching relationship of the internal thread and the external thread, and here the connection portion 31 is not necessarily a complete spiral structure, but may be only a structure in which a part of the connection portion 31 and the spiral portion 11 can be matched, that is, as long as the connection portion 31 and the spiral portion 11 can be stably matched, so as to ensure that the pushing slider 30 can reliably move along the spiral portion 11.

In one embodiment, as shown in fig. 1 and 3, the rotary knob 21 is provided with a hanging hole 211, and the hanging hole 211 can be used for hanging the rubber mounting mechanism.

In one embodiment, the spiral part 11 is a spiral groove, and the connection part 31 is a protrusion inserted into the spiral groove, and the slider 30 is pushed to move along the spiral groove during the rotation of the sliding rail 22.

In one embodiment, the spiral part 11 is a spiral protrusion, the connecting part 31 is a groove, and the protrusion is inserted into the spiral groove to push the slider 30 to move along the spiral protrusion during the rotation of the sliding rail 22.

It should be noted that only a rotational relationship occurs between the rotary member 20 and the housing 10, that is, the rotary member 20 cannot move in the axial direction of the housing 10, so that the rubber body 40 can be switched between the use position and the storage position by rotating the rotation knob 21 clockwise and counterclockwise.

In one embodiment, as shown in fig. 1 to 4, the housing 10 includes: a body 12, wherein a spiral part 11 is arranged in the body 12, the body 12 is hollow and has two open ends, and a rotary knob 21 is positioned at one end of the body 12; the outer sleeve 13 is sleeved on the other end, far away from the rotary knob 21, of the body 12, the outer sleeve 13 is hollow, two ends of the outer sleeve 13 are open, and the rubber body 40 extends out of one end, far away from the rotary knob 21, of the outer sleeve 13; wherein, the outer sleeve 13 is used for contacting with the pushing slide block 30 in a limiting way so as to prevent the pushing slide block 30 from being separated from the shell 10. The body 12 is a main part of the housing 10, and the outer casing 13 is mainly used to prevent the pushing slider 30 from moving after moving to a certain position, so as to prevent the pushing slider 30 from separating from the housing 10.

Specifically, the outer sleeve 13 is directly sleeved on the body 12, and the outer sleeve 13 can occupy part of the body 12, that is, the outer sleeve 13 forms a protective sleeve outside the body 12, and one end of the outer sleeve 13 has a small-caliber opening for the rubber body 40 to extend out, and the pushing slider 30 can be in limited contact with the inner surface of the outer sleeve 13 after moving to the maximum position, so as to avoid separation, that is, the diameter of the small-caliber opening of the outer sleeve 13 is smaller than the maximum outer diameter of the pushing slider 30, thereby avoiding the pushing slider 30 from separating from the small caliber of the outer sleeve 13, but enabling the rubber body 40 to extend out of the small-caliber opening to the maximum extent, that is, in the process that the rubber body 40 is gradually used, the rubber body can be used to the maximum extent, and the length that the rubber body 40 cannot.

It should be noted that, the specific structure of the body 12 and the outer sleeve 13 is not limited, and in this embodiment, the specific structure given with reference to fig. 2 to 6 may be referred to. The outer sleeve 13 may be an anti-slip outer sleeve, i.e. may be used for gripping, and the outer sleeve 13 may be provided with protrusions or grooves.

In one embodiment, the body 12 is snap-fitted to the outer sleeve 13, so that the body 12 and the outer sleeve 13 are fixedly connected, i.e., the body 12 and the outer sleeve 13 do not rotate relatively and are not separated.

In one embodiment, as shown in fig. 1 and 8, the body 12 is provided with an outer sleeve limiting protrusion 121, and the outer sleeve 13 is clamped with the outer sleeve limiting protrusion 121, so that the installation is convenient, and the stability of connection can be ensured.

In one embodiment, as shown in fig. 1 and 8, the end of the body 12 is provided with a sheath retaining groove 122, and the sheath 13 is engaged with the sheath retaining groove 122 to prevent the body 12 from rotating relative to the sheath 13. Overcoat 13 and the spacing arch 121 joint of overcoat, and with the spacing recess 122 joint of overcoat to guarantee the equal fixed connection of overcoat 13 and body 12 axial and circumference.

In one embodiment, the outer sheath limiting groove 122 may be a plurality of grooves, and the plurality of outer sheath limiting grooves 122 are spaced along the circumferential direction of the body 12.

In one embodiment, as shown in fig. 1 and 7, the rubber mounting mechanism further comprises: and the dustproof cover 50 is detachably connected with one end of the outer sleeve 13 far away from the rotating knob 21 to shield the opening of the outer sleeve 13, so that the rubber body 40 is protected.

In one embodiment, as shown in fig. 1, the outer sleeve 13 is provided with a dust-proof cover limiting protrusion 131, and the dust-proof cover limiting protrusion 131 is clamped with the dust-proof cover 50, so that the assembly and disassembly are convenient, and the connection stability can be ensured.

In one embodiment, as shown in fig. 1, a notch 221 is formed on the sliding track 22 to expose the connecting portion 31, and the pushing sliding block 30 is in limit contact with two sidewalls of the notch 221, so that the pushing sliding block 30 is circumferentially fixed to the sliding track 22. The notch 221 is configured to ensure that the connecting portion 31 is engaged with the spiral portion 11, i.e. to ensure that the pushing slider 30 moves along the extending direction of the notch 221, which is the axial direction of the housing 10. And the notch 221 is arranged to limit the pushing sliding block 30 in the notch 221, so as to ensure that the pushing sliding block 30 and the sliding track 22 are circumferentially fixed.

In one embodiment, the plurality of notches 221 are provided, the plurality of notches 221 are spaced apart, the plurality of connecting portions 31 are provided, and the plurality of connecting portions 31 correspond to the plurality of notches 221 one by one, that is, the plurality of connecting portions 31 simultaneously cooperate with the spiral portion 11, so as to ensure that the pushing slider 30 can stably move along the spiral portion 11.

In one embodiment, there are two notches 221, and both notches 221 are U-shaped openings.

In one embodiment, as shown in fig. 1, the pushing slider 30 is provided with a plurality of rubber holding projections 32, and the rubber body 40 is held between the plurality of rubber holding projections 32, thereby fixing the rubber body 40.

In one embodiment, as shown in fig. 1, 7 and 8, the inner wall limiting protrusion 14 is disposed on the housing 10, the knob limiting protrusion 222 is disposed on the sliding track 22, the knob limiting protrusion 222 is located at an end of the inner wall limiting protrusion 14 away from the rotating knob 21, and the inner wall limiting protrusion 14 is configured to be in limiting contact with the knob limiting protrusion 222 to prevent the rotating element 20 from being separated from the housing 10, i.e., to ensure that the rotating element 20 cannot be separated from the housing 10 when the rotating element 20 is lifted in a rotatable manner relative to the housing 10.

In one embodiment, at least a portion of the sliding track 22 is a resilient member to allow the knob retaining protrusion 222 to pass through the inner wall retaining protrusion 14 after deformation, i.e., the sliding track 22 can be inserted into the housing 10.

In one embodiment, at least one of the housing 10, the rotating member 20, and the push slider 30 is a plastic member.

An embodiment of the present invention further provides an eraser, please refer to fig. 1 to 8, and the eraser includes the eraser mounting mechanism and the eraser body 40. The rubber body 40 is installed at a side of the push slider 30 away from the rotation knob 21.

The eraser of the present invention is a rotary eraser, which rotates the rotary knob 21 in two directions, so that the eraser body 40 is rotated out from one end of the housing 10, or the eraser body 40 can be retracted into the housing 10, thereby protecting the eraser body 40. The utility model discloses an eraser has dwindled rotatory area (the rearmounted rotatory knob 21 promptly), avoids the maloperation of eraser in the use to lead to eraser body 40 to slide at will to optimize the use of product and experience.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The present invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and exemplary embodiments be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. An eraser mounting mechanism, comprising:

a housing (10), wherein a spiral part (11) is arranged in the housing (10);

a rotating member (20), wherein the rotating member (20) comprises a rotating knob (21) and a sliding track (22) which are connected, the sliding track (22) is arranged in the shell (10), the rotating knob (21) is positioned outside the shell (10), and the rotating member (20) is rotatably arranged relative to the shell (10);

the pushing sliding block (30), the pushing sliding block (30) is used for installing the rubber body (40), the pushing sliding block (30) is movably arranged in the sliding track (22), and the pushing sliding block (30) and the sliding track (22) are fixed in the circumferential direction;

the pushing sliding block (30) is provided with a connecting portion (31), the connecting portion (31) is matched with the spiral portion (11), when the rotating knob (21) drives the sliding track (22) to rotate, the connecting portion (31) moves along the spiral portion (11), and therefore the rubber body (40) is provided with a use position extending out of the shell (10) and a storage position retracting into the shell (10).

2. The rubber mounting mechanism as claimed in claim 1, wherein the spiral portion (11) is a spiral groove, and the coupling portion (31) is a protrusion; or the spiral part (11) is a spiral protrusion, and the connecting part (31) is a groove.

3. The eraser mounting mechanism as claimed in claim 1, wherein said housing (10) comprises:

the spiral part (11) is arranged in the body (12), the body (12) is hollow, two ends of the body are open, and the rotary knob (21) is positioned at one end of the body (12);

the outer sleeve (13) is sleeved at the other end, far away from the rotary knob (21), of the body (12), the outer sleeve (13) is hollow, two ends of the outer sleeve are opened, and the rubber body (40) extends out of one end, far away from the rotary knob (21), of the outer sleeve (13);

the outer sleeve (13) is in limit contact with the pushing sliding block (30) to prevent the pushing sliding block (30) from being separated from the shell (10).

4. The rubber mounting mechanism of claim 3, wherein the body (12) snaps onto the outer sleeve (13) to fixedly attach the body (12) to the outer sleeve (13).

5. The eraser mounting mechanism according to claim 3, further comprising:

the dustproof cover (50) is detachably connected with one end, far away from the rotating knob (21), of the outer sleeve (13) so as to shield the opening of the outer sleeve (13).

6. The rubber mounting mechanism as claimed in claim 1, wherein a notch (221) is provided on the slide rail (22) to expose the connecting portion (31), and the push slider (30) is in spacing contact with both side walls of the notch (221) to circumferentially fix the push slider (30) and the slide rail (22).

7. The rubber mounting mechanism as claimed in claim 6, wherein said cutout (221) is plural, a plurality of said cutouts (221) are provided at intervals, a plurality of said connecting portions (31) are provided, and a plurality of said connecting portions (31) correspond to a plurality of said cutouts (221) one by one.

8. The rubber mounting mechanism of claim 1, wherein the housing (10) is provided with an inner wall limiting projection (14), the sliding track (22) is provided with a knob limiting projection (222), the knob limiting projection (222) is located at an end of the inner wall limiting projection (14) away from the rotating knob (21), and the inner wall limiting projection (14) is used for limiting contact with the knob limiting projection (222) to prevent the rotating member (20) from being separated from the housing (10).

9. The rubber mounting mechanism of claim 1, wherein at least one of the housing (10), the rotating member (20), and the push slider (30) is a plastic member.

10. An eraser comprising the eraser mounting mechanism according to any one of claims 1 to 9 and an eraser body (40).