CN201105230Y

CN201105230Y - Shock absorbing audio reducing structure of paper crusher

Info

Publication number: CN201105230Y
Application number: CNU200720121422XU
Authority: CN
Inventors: 陈钦鹏
Original assignee: QIXIN STATIONERY CO Ltd SHENZHEN
Current assignee: Shenzhen Group PLC Of One Mind
Priority date: 2007-07-06
Filing date: 2007-07-06
Publication date: 2008-08-27
Anticipated expiration: 2017-07-06

Abstract

The utility model relates to a structure for eliminating vibration and reducing noise of paper shredders, which comprises a paper shredder and a housing base; wherein, the paper shredder comprises a back cover, a core, a motor and a transmission component; the back cover is arranged at the upper end of the housing base; a paper shredding cutter on a fixed plate is arranged in the core; an extension plate with the bottom extended outwards is arranged on the L-shaped fixed plate; a plurality of embedment spaces are concave-arranged on the bottom of a lower cover; a plurality of springs are arranged in the embedment spaces; the springs are extended out of the embedment spaces, enabling the bottom of the core to be arranged on the springs and indirectly contacted with the lower cover; a plurality of holes are arranged on the extension plate of the fixed plate; a plurality of damping rings with the I-shaped cross section are sleeved on the holes through a plurality of I-shaped slots; a screw is arranged through the center of each damping ring and fixed on a back cover, thereby positioning the core on the back cover. The structure has the advantages of effectively reducing vibration and noise and improving the working environment.

Description

The shock absorbing of shredder subtracts the sound structure

Technical field

The utility model relates to office with mechanical, and particularly the shock absorbing about a kind of shredder subtracts the sound structure.

Background technology

Shredder is the indispensable office machine in workplace, the trade secret file of all companies or handle after file, after the pulverizing of shredder, not only can effectively prevent leaking of file secret, more can effectively reduce the shared space of paper simultaneously.

But the noise of shredder and vibrations often destroy the quiet and harmonious of working environment, be unfavorable for the raising of the concentrated and operating efficiency of notice, so how solving the noise and the vibrations of shredder is the problem that industry presses for solution, the shock absorbing that Chinese patent ZL97215091.9 discloses a kind of shredder subtracts the sound structure, be provided with the location of the orientation angle frame realization movement of predetermined altitude in lower shell seat bottom surface periphery, and in the distolateral embedding space of number that is provided with of lower shell seat openend, the number spring, be to be placed in this embedding space, be used to provide and oppositely shore power with end section.

Though such mechanism also reaches the effect of certain damping and noise reduction, because suspending, movement places on the spring, when shredder work produced vibrations, movement and orientation angle frame can produce and touch, rub, and still can produce bigger vibrations and noise.

The utility model content

The purpose of this utility model is to provide the shock absorbing of shredder to subtract the sound structure, can effectively reduce vibrations and noise, improves the quality of working environment.

The utility model is achieved in that a kind of shock absorbing of shredder subtracts the sound structure, comprises cone breaker device and block;

This cone breaker device has a bottom that is arranged at block upper end, and a movement contains the paper shredding cutters, a motor and the transmission component that are arranged at fixed head;

This fixed head is the L type, has the outward extending extension board in bottom;

Be concaved with the embedding space of number in the lower cover bottom, the number spring is placed in this embedding space, and spring extends embedding space, and the bottom of movement is placed on the spring, is not that direct subsides are touched in lower cover; Be provided with the hole on the extension board of fixed head, the cross section is the I-groove that I-shaped shock ring is provided with by side face and is set on the hole, and screw passes the through hole that is provided with in the middle of the shock ring and is fixed on the bottom, and movement is positioned on the bottom.

The coaxial screw hole that is provided with in hole on corresponding extension board on the bottom, screw is fixed on the screw hole.

Screw hole is positioned at outside the embedding space.

Form cannelure in the above-mentioned embedding space, spring housing is located in the cannelure.

Cannelure is by cylindrical and interior round-formed, and cylindrical is higher than interior circle.

Be provided with pad on shock ring, the nut of screw compresses shock ring by pad.

A kind of shock absorbing of shredder subtracts the sound structure, comprises cone breaker device and block;

Be concaved with the embedding space of number in the lower cover bottom, the number spring is placed in this embedding space, and spring extends embedding space, and the bottom of movement is placed on the spring, is not that direct subsides are touched in lower cover; With the coaxial hole that is provided with, embedding space, the cross section is the I-groove that I-shaped shock ring is provided with by side face and is set on the hole on the extension board of fixed head; Screw passes the through hole and the spring that are provided with in the middle of the shock ring and is fixed on the bottom, and movement is positioned on the bottom.

The coaxial screw hole that is provided with at the center in embedding space, screw is fixed on the screw hole.

Form cannelure in the above-mentioned embedding space, spring housing is located in the cannelure, and cannelure is by cylindrical and interior round-formed, and cylindrical is higher than interior circle,

Like this, because movement places on the spring, described motor, paper shredding cutters, driving gear set are not directly pasted with block and are touched, but keep suspended state, when shredder is worked, spring will reduce vibrations and sympathetic response sound from motor, paper shredding cutters, driving gear set because of telescopic nature in good time; By screw movement is positioned on the bottom in addition, prevents about movement, front and back skews, but movement can not touch with bottom or loam cake again, and produce vibrations or noise; Also have, be provided with shock ring between the hole on screw and the extension board, the vibrations on the movement pass to screw again by shock ring, avoid the direct transmission of vibrations of movement to give screw, produce bigger noise, even screw are cut off.

Description of drawings

Fig. 1 is the stereochemical structure exploded view of first kind of embodiment.

Fig. 2 is the screw of first kind of embodiment and the cutaway view of spring location structure.

Fig. 3 is the partial enlarged drawing of embedding space and screw hole on the bottom of first kind of embodiment.

Fig. 4 is the stereochemical structure exploded view of second kind of embodiment.

Fig. 5 is the screw of second kind of embodiment and the cutaway view of spring location structure.

Fig. 6 is the partial enlarged drawing of embedding space and screw hole on the bottom of second kind of embodiment.

Fig. 7 is the stereogram of shock ring.

Figure number explanation: 1, bottom; 11, embedding space; 12, screw hole; 13, cannelure; 14, cylindrical; 15, interior circle; 2, movement; 21, motor; 22, paper shredding cutters; 23, transmission component; 24, fixed head; 25, extension board; 26, the hole on the extension board; 3, spring; 4, shock ring; 41, I-groove; 42, through hole; 5, block; 6, screw; 7, pad; 8, loam cake; 81, paper inlet.

The specific embodiment

With reference to Fig. 1-3, shown in Figure 7, be first kind of embodiment of the present utility model.

Shredder of the present utility model comprises cone breaker device and block 5; The top of this block 5 directly bears for cone breaker device, and the inner space is then for the shredded paper after taking in cone breaker device and pulverizing, wherein:

This cone breaker device has a bottom 1 that is arranged at block 5 upper ends, is the upper end that is cross-placed on block 5, and its bottom surface one side offers opening, communicates with the inner space of block 5; One movement 2 contains the paper shredding cutters 22, a motor 21 and the transmission component 23 that are arranged on the fixed head 25; This motor 21 connects transmission paper shredding cutters 22 by transmission component 23; Like this, when paper spare when the paper inlet 81 of loam cake 8 is inserted, default induction installation in it will be responded to automatically and inform motor 21 transmissions this moment, link paper shredding cutters 22 transmissions simultaneously and grind the paper operation.

In addition, be concaved with the embedding space 11 of number in bottom 1 bottom, number spring 3 is placed in this embedding space 11, spring 11 extends 11 appropriate locations, embedding space, so that a compression stroke to be provided, then bearing is on the spring 11 of all sides that distributes for the extension board of fixed head 24 bottoms of movement 2, and movement 2 does not directly contact with bottom like this, and keeps suspended state; When carrying out the shredded paper operation, spring can pass to the vibrations of bottom 1 and the sympathetic response sound that shake produces because of scalability reduces from motor 21, paper shredding cutters 22, transmission component 23.

And this fixed head 24 is the L type, has the outward extending extension board 25 in bottom, on extension board 25, be provided with hole 26, the cross section is the I-groove 41 that I-shaped shock ring 4 is provided with by side face and is set on the hole 26, the vertical lower in the hole 26 on corresponding extension board 25 on the bottom 1 is provided with screw hole 12, screw 6 passes the through hole 42 that is provided with in the middle of the shock ring 4 and is fixed on bottom 1 screw hole 12, and movement 2 is positioned on the bottom 1; Like this, fixing by screw 6, prevent movement about 2, front and back skew, but movement 2 can not touch again with bottom 2 or loam cake 8, and produce vibrations or noise; Also have, be provided with shock ring 4 between the hole 26 on screw 6 and the extension board 25, the vibrations on the movement 2 pass to screw 6 again by shock ring 4, avoid the direct transmission of vibrations of movement 2 to give screw 6, produce bigger noise, even screw 6 are cut off.

In addition, form cannelure 13 in the above-mentioned embedding space 11, cannelure 13 is formed by cylindrical 14 and interior circle 15, circle 14 in cylindrical 14 is higher than; Spring 3 is set in the cannelure 13; Like this, can carry out spacingly, avoid spring 3 distortion, distortion and reduce elasticity, and reduce the life-span of spring 3, even can cause movement 2 directly to touch bottom 1, produce serious vibrations and noise spring 3, even damage movement 2.

Also have, be provided with pad 7 on shock ring 4, the nut of screw 6 compresses shock ring 4 by pad 7, avoids shock ring 4 skews, is out of shape even comes off.

Shown in Fig. 4-6, be second kind of embodiment of the present utility model, with the difference of first kind of embodiment be above-mentioned screw hole 12 be located in the embedding space 11, spring 3 places on the cannelure in the screw hole 12 outer embedding spaces 11, coaxial 25 hole 26 and the shock ring 4 of being provided with on the extension board on spring 3 tops; Screw 6 passes through hole 42 and the spring 3 that is provided with in the middle of the shock ring 4, is fixed on the screw hole 12 of bottom 1, and movement 2 is suspended to be placed on the spring 3, and locatees mutually with bottom 1; Because hole 26 coaxial design on spring 3 and the extension board 25, and screw hole 12 is placed in the embedding space 11, mechanism simplified, saved the space, and screw 7 places in the spring 3, guarantee that spring 3 can not be offset, twist, improve the life-span of spring 3, increased the damping reliability of operation.

Claims

1. the shock absorbing of a shredder subtracts the sound structure, comprises cone breaker device and block;

It is characterized in that: be concaved with the embedding space of number in the lower cover bottom, the number spring is placed in this embedding space, and spring extends embedding space, and the bottom of movement is placed on the spring, is not that direct subsides are touched in lower cover; Be provided with the hole on the extension board of fixed head, the cross section is the I-groove that I-shaped shock ring is provided with by side face and is set on the hole, and screw passes the through hole that is provided with in the middle of the shock ring and is fixed on the bottom, and movement is positioned on the bottom.

2. the shock absorbing of shredder as claimed in claim 1 subtracts the sound structure, it is characterized in that: the coaxial screw hole that is provided with in the hole on corresponding extension board on the bottom, screw is fixed on the screw hole.

3. the shock absorbing of shredder as claimed in claim 1 subtracts the sound structure, it is characterized in that: screw hole is positioned at outside the embedding space.

4. the shock absorbing of shredder as claimed in claim 1 subtracts the sound structure, it is characterized in that: form cannelure in the above-mentioned embedding space, spring housing is located in the cannelure.

5. the shock absorbing of shredder as claimed in claim 4 subtracts the sound structure, it is characterized in that: cannelure is by cylindrical and interior round-formed, and cylindrical is higher than interior circle.

6. the shock absorbing of shredder as claimed in claim 1 subtracts the sound structure, it is characterized in that: be provided with pad on shock ring, the nut of screw compresses shock ring by pad.

7. the shock absorbing of shredder subtracts the sound structure, comprises cone breaker device and block;

It is characterized in that: be concaved with the embedding space of number in the lower cover bottom, the number spring is placed in this embedding space, and spring extends embedding space, and the bottom of movement is placed on the spring, is not that direct subsides are touched in lower cover; With the coaxial hole that is provided with, embedding space, the cross section is the I-groove that I-shaped shock ring is provided with by side face and is set on the hole on the extension board of fixed head; Screw passes the through hole and the spring that are provided with in the middle of the shock ring and is fixed on the bottom, and movement is positioned on the bottom.

8. the shock absorbing of shredder as claimed in claim 7 subtracts the sound structure, it is characterized in that: the coaxial screw hole that is provided with at the center in embedding space, screw is fixed on the screw hole.

9. the shock absorbing of shredder as claimed in claim 7 subtracts the sound structure, it is characterized in that: form cannelure in the above-mentioned embedding space, spring housing is located in the cannelure, and cannelure is by cylindrical and interior round-formed, and cylindrical is higher than interior circle.

10. the shock absorbing of shredder as claimed in claim 7 subtracts the sound structure, it is characterized in that: be provided with pad on shock ring, the nut of screw compresses shock ring by pad.