CN219969260U - Decompression rubber - Google Patents

Abstract

The utility model discloses a decompression rubber, which comprises an upper cover plate and a lower cover plate, wherein the upper cover plate and the lower cover plate are respectively provided with a plug rod and a sleeve which are mutually matched and spliced, the upper cover plate and the lower cover plate are respectively provided with a through hole, a central shaft is inserted into the through holes of the upper cover plate and the lower cover plate, the lower cover plate is provided with a clamping seat, and a plurality of rubbers are clamped on the clamping seat in an annular array by taking the center of the through hole as the center. The utility model can be used as a fingertip gyroscope to reduce the pressure of students, thereby reducing the situation that the students destroy the rubber and reducing the purchase cost of the rubber.

Description

Decompression rubber

Technical Field

The utility model relates to the field of stationery, in particular to a decompression rubber.

Background

The eraser is a common stationery, and the main material is PVC material, wherein the plasticizer ATBC is added, so that the eraser has stronger adsorption force on pencil powder. The types of the rubber are various, and the rubber can be simply classified into a highlight rubber, a sketch rubber, a pen rubber and the like according to different purposes, and can be classified into a frosted rubber, a plastic rubber, an electric rubber and the like according to the appearance characteristics of the rubber.

Students often have great pressure during learning, after buying the rubber, the students often can doze on the rubber, even break off the rubber and throw away students to play, and also can prick a plurality of small holes on the rubber, so that the rubber is used as a decompression toy to relieve the pressure of learning, and the decompression mode with damage to the rubber can lead to the increase of the consumption of the rubber, thereby leading to the increase of the cost of purchasing the rubber.

Disclosure of Invention

The utility model aims to provide a decompression rubber which can be used as a fingertip gyroscope to reduce the pressure of students, so that the situation that the students damage the rubber is reduced, and the purchase cost of the rubber is reduced.

The utility model solves the problems by adopting the following technical scheme:

the decompression rubber comprises an upper cover plate and a lower cover plate, wherein the upper cover plate and the lower cover plate are respectively provided with a inserted rod and a sleeve which are matched and spliced with each other, the upper cover plate and the lower cover plate are respectively provided with through holes, a central shaft is inserted into the through holes of the upper cover plate and the lower cover plate, a clamping seat is arranged on the lower cover plate, and a plurality of rubbers are clamped on the clamping seat by taking the circle center of the through holes as the center and in an annular array.

In the above technical scheme, preferably, upper cover plate and lower cover plate all be regular pentagon, five angles of upper cover plate and lower cover plate all are provided with and are planar chamfer, inserted link and sleeve all are provided with five and evenly distributed on five chamfers, adjacent sleeve and upper cover plate and lower cover plate constitute jointly and are used for rubber male spliced eye, the chamfer is located the coplanar with telescopic lateral surface.

In the above technical solution, preferably, the cross section of the sleeve is isosceles triangle, and adjacent surfaces on adjacent sleeves are parallel

In the above technical scheme, preferably, five connectors are arranged on the clamping seat at equal angles with the central axis as the center, the connectors are respectively perpendicular to the five sides of the lower cover plate, the rubber is provided with five slots, and the slots and the connectors are correspondingly inserted and connected on the head end of the rubber.

In the above technical scheme, preferably, the rubber is symmetrically arranged left and right, and a plurality of protrusions are symmetrically arranged on the rubber.

In the above technical scheme, preferably, the clamping seat is of a cylindrical structure with two open ends, the cavity of the clamping seat is communicated with the through hole, the central shaft penetrates through the clamping seat, and a bearing is arranged between the central shaft and the clamping seat.

In the above technical scheme, preferably, the center pin include plug connector, socket joint spare and pressing piece, the plug connector inserts and establishes in the socket joint spare, pressing piece is provided with two and fixes the outer end of plug connector and socket joint spare respectively, the lateral surface of pressing piece is provided with the sunken of cambered surface form.

In the above technical solution, preferably, the height of the sleeve is slightly smaller than the thickness of the rubber.

Compared with the prior art, the utility model has the following advantages and effects:

(1) According to the utility model, the two ends of the clamping center shaft are pressed by fingers, and the upper cover plate, the lower cover plate and the rubber can integrally rotate around at the moment, so that the utility model can be used as a fingertip gyroscope, and students can use the utility model to replace the rubber for decompression, so that the probability of damaging the rubber by the students can be reduced, the consumption of the rubber is reduced, and the cost of purchasing the rubber is reduced.

(2) The rubber and the clamping seat can be assembled and disassembled, so that the rubber on the clamping seat can be replaced, and a plurality of rubbers are provided, so that the number of the rubbers can be purchased in time for supplementing when the number of the rubbers is small, and the risk of the consumption of the rubbers can be reduced.

Drawings

FIG. 1 is an exploded view of a decompression blanket according to an embodiment of the present utility model.

Fig. 2 is an assembled view of fig. 1.

Fig. 3 is a fixed view of the lower cover plate and the rubber of fig. 1.

The upper cover plate 1, the inserting rod 11, the through hole 12, the inserting hole 13, the lower cover plate 2, the sleeve 21, the clamping seat 22, the chamfer 23, the inserting piece 24, the fixing groove 25, the central shaft 3, the inserting piece 31, the sleeve joint piece 32, the pressing piece 33, the concave part 34, the rubber 4, the inserting groove 41, the protrusion 42 and the bearing 5.

Detailed Description

The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.

Referring to fig. 1-3, the decompression rubber of this embodiment includes an upper cover plate 1 and a lower cover plate 2, the upper cover plate 1 and the lower cover plate 2 are respectively provided with a plug rod 11 and a sleeve 21 which are mutually matched and inserted, the upper cover plate 1 and the lower cover plate 2 are provided with through holes 12, a central shaft 3 is inserted into the through holes 12 of the upper cover plate 1 and the lower cover plate 2, a clamping seat 22 is arranged on the lower cover plate 2, and a plurality of rubbers 4 are clamped on the clamping seat 22 in an annular array by taking the center of the through holes 12 as the center.

In this embodiment, the two ends of the central shaft 3 are pressed and clamped by the fingers, and at this time, the upper cover plate 1, the lower cover plate 2 and the rubber 4 can integrally rotate around the central shaft 3 as an axis, so that the utility model can be used as a fingertip gyroscope, and a student can use the utility model to decompress instead of destroying the rubber 4, so that the probability of destroying the rubber 4 by the student can be reduced, the consumption of the rubber 4 is reduced, and the cost of purchasing the rubber 4 is reduced.

Referring to fig. 1 and 2, the upper cover plate 1 and the lower cover plate 2 are regular pentagons, the five corners of the upper cover plate 1 and the lower cover plate 2 are provided with planar chamfers 23, the inserting rod 11 and the sleeve 21 are provided with five chamfers 23 and are uniformly distributed on the five chamfers 23, the adjacent sleeve 21, the upper cover plate 1 and the lower cover plate 2 jointly form an inserting hole 13 for inserting the rubber 4, and the chamfers 23 and the outer side surface of the sleeve 21 are located on the same plane.

Referring to fig. 1, the cross section of the sleeve 21 is isosceles triangle, and the adjacent surfaces of the adjacent sleeves 21 are parallel, when the rubber 4 is inserted into the inserting hole 13, the adjacent surfaces of the adjacent sleeves 21 can make the rubber 4 move along the radial direction of the clamping piece, so as to play a role in guiding the insertion of the rubber 4.

In this embodiment, the upper cover plate 1 and the lower cover plate 2 are in regular five sides, so that the utility model is in central symmetry, stability of the utility model when the upper cover plate 1 and the lower cover plate 2 rotate around the central shaft 3 is guaranteed, when the upper cover plate 1 and the lower cover plate 2 are connected integrally, the chamfer 23 of the upper cover plate 1 and the lower cover plate 2 and the outer side surface of the sleeve 21 are positioned on the same plane, thereby reducing sharpness of five angular positions of the upper cover plate 1 or the lower cover plate 2 and reducing risk of scratching hands of the upper cover plate 1 and the lower cover plate 2.

Referring to fig. 1, the central shaft 3 includes a socket 31, a socket 32 and a pressing member 33, the socket 31 is inserted in the socket 32, the pressing member 33 is provided with two cambered surface-shaped recesses 34 for respectively fixing the external ends of the socket 32 and the socket 31, and the external side of the pressing member 33 is provided with cambered surface-shaped recesses 34.

Referring to fig. 1 and 3, the clamping seat 22 has a cylindrical structure with two open ends, the cavity of the clamping seat 22 is communicated with the through hole 12, the central shaft 3 is arranged in the clamping seat 22 in a penetrating manner, and a bearing 5 is arranged between the central shaft 3 and the clamping seat 22, so that the smoothness of rotation of the upper cover plate 1 and the lower cover plate 2 is increased through the bearing 5, and the influence of larger friction between the central shaft 3 and the through hole 12 on the rotation of the utility model is reduced.

Referring to fig. 2, the height of the sleeve 21 is slightly smaller than the thickness of the rubber 4, and since the rubber 4 has a certain elasticity, when the rubber 4 is inserted into the insertion hole 13 and is clamped on the clamping seat 22, the rubber 4 is elastically deformed, and the upper cover plate 1 and the lower cover plate 2 can be matched to clamp the rubber 4, so that the fixing effect of the rubber 4 is increased, and the risk that the rubber 4 falls off from the clamping seat 22 due to centrifugal effect when the upper cover plate 1 and the lower cover plate 2 rotate around the central shaft 3 is reduced.

Referring to fig. 3, five connectors 24 are arranged on the clamping seat 22 at equal angles with the central axis as the center, the connectors 24 are respectively perpendicular to the five sides of the lower cover plate 2, the rubber 4 is provided with five slots 41, and the slots 41 and the connectors 24 are correspondingly inserted and connected.

In this embodiment, five erasers 4 are fixed on the clamping seat 22 in a central symmetry manner, so that the whole upper cover plate 1, the lower cover plate 2 and the erasers 4 are central symmetry, the rotation stability of the whole upper cover plate 1, the lower cover plate 2 and the erasers 4 along the central shaft 3 is ensured, the erasers 4 generally have a certain elasticity, when the plug-in connector 24 is inserted into the plug-in connector 41, the plug-in connector 41 on the erasers 4 is elastically deformed so as to be clamped on the plug-in connector 24, the connection structure is simpler, and the fixation and the separation between the erasers 4 and the clamping seat 22 are facilitated, so that students can conveniently detach the erasers 4 for use or replace the erasers 4 on the clamping seat 22.

Referring to fig. 3, the eraser 4 is symmetrically disposed left and right, a plurality of protrusions 42 are symmetrically disposed on the eraser 4, during the process of using the eraser 4, a relatively sharp or protruding portion 42 on the eraser 4 is usually used for precisely erasing in a smaller range, but the eraser 4 is worn, so that the relatively sharp or protruding portion 42 on the eraser 4 is gradually flattened (as shown by the eraser 4 at a position a in fig. 3), and handwriting in a larger range is simultaneously erased during the use of the eraser 4, in this embodiment, a plurality of protrusions 42 are disposed on the eraser 4, and after the protrusions 42 on the outer side of the eraser 4 are flattened, the protrusions 42 on the middle position of the eraser 4 can be used for continuously erasing in a smaller range, thereby improving the erasing capability of the eraser 4 in a smaller range.

The foregoing description of the utility model is merely exemplary of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions, without departing from the scope of the utility model as defined in the accompanying claims.

Claims (8)

1. A decompression rubber, characterized in that: including upper cover plate and lower apron, upper cover plate and lower apron are provided with inserted bar and sleeve that mutually support was pegged graft respectively, and the through-hole has all been seted up to upper cover plate and lower apron, and the through-hole interpolation of upper cover plate and lower apron is equipped with the center pin, is provided with the joint seat on the lower apron, is annular array joint with a plurality of rubber on the joint seat taking the centre of a circle of through-hole as the center.

2. The decompression blanket of claim 1, wherein: the upper cover plate and the lower cover plate are regular pentagons, the five corners of the upper cover plate and the lower cover plate are provided with planar chamfers, the inserting rods and the sleeves are provided with five chamfers and are uniformly distributed on the five chamfers, the adjacent sleeves, the upper cover plate and the lower cover plate jointly form an inserting hole for rubber insertion, and the chamfers and the outer side faces of the sleeves are located on the same plane.

3. The decompression blanket of claim 1, wherein: the cross section of the sleeve is isosceles triangle, and the adjacent surfaces on the adjacent sleeves are parallel.

4. The decompression blanket of claim 1, wherein: five connectors are arranged on the clamping seat at equal angles with the central axis as the center, the connectors are respectively vertical to the five edges of the lower cover plate, the rubber is provided with five slots, and the slots are correspondingly inserted into the connectors.

5. The decompression blanket of claim 1, wherein: the rubber is arranged in a bilateral symmetry way, and a plurality of bulges are symmetrically arranged on the rubber.

6. The decompression blanket of claim 1, wherein: the clamping seat is of a cylindrical structure with two open ends, a cavity of the clamping seat is communicated with the through hole, the central shaft penetrates through the clamping seat, and a bearing is arranged between the central shaft and the clamping seat.

7. The decompression blanket of claim 1, wherein: the central shaft include plug connector, socket joint spare and pressing piece, the plug connector inserts and establishes in the socket joint spare, pressing piece is provided with two and fixes the outer end of plug connector and socket joint spare respectively, the lateral surface of pressing piece is provided with the sunken of cambered surface form.

8. The decompression blanket of claim 1, wherein: the height of the sleeve is slightly smaller than the thickness of the rubber.