JP4398947B2 - shredder - Google Patents

Description

The present invention relates to a shredder .

  The shredding mechanism of an ordinary shredder includes a motor and two rotary blades, the rotor of the motor is connected to a transmission box, and an output gear is installed at the output end of the transmission box, and the two rotary blades A first gear and a second gear meshing with each other are installed at the same end of the rotating shafts joined to each other, and a gear of one rotary blade close to the motor has a first gear. A transmission gear that is engaged with the output gear is installed except that a gear is installed. Therefore, when the motor is operated, the output gear is rotated by driving the motor, thereby rotating the shaft joined to the transmission gear, further rotating the first gear synchronously, and the first gear. The second gear is rotated through the drive of. Therefore, the shredding operation can be performed in cooperation with the two rotary blades through the above transmission process.

  In the shredding mechanism of the shredder that is currently known, the output gear and transmission gear that are adopted are all column gears (cylindrical gears), so the motor and rotary blade are arranged in a parallel structure with front-rear or left-right relationship Can only be done. However, because of such an arrangement structure, the left and right widths or the front and rear widths of the shredder are limited, which limits the reduction in the volume of the entire shredder and makes the shredder body particularly large.

  In the industry, the idea of leaving the motor in parallel above or below the two rotating blades was submitted so as to reduce the volume of the shredder, but it has not been applied so far, This is to increase the vertical height of the shredder even if it is installed in any direction above and below. For example, when the motor is placed above the rotary blade, it may affect the paper feeding of the shredder, or when the motor is placed below the rotary blade, it is installed in the waste bin. However, this greatly compresses the storage space of the trash box, and further, the motor may be blocked by paper trash. Such an idea cannot be put into practical use without causing a positive effect.

  Furthermore, the present invention provides a shredder with a reduced volume under conditions that do not increase costs.

  Next, a shredder and its shredding mechanism will be described based on an embodiment according to the present invention.

  A shredder shredding mechanism according to an embodiment of the present invention includes a core cover, a motor, a speed change mechanism, and at least two rotary blades. A power source is externally connected to the motor, and the speed change mechanism is an output gear. The at least two rotary blades are installed on the core cover, have separate rotary shafts, and one end of each rotary shaft in the same direction bites each other. Column gears are installed, and a transmission gear is installed on the rotary shaft of any one rotary blade. Here, the output gear and the transmission gear are engaged with each other and both types Tapered gear.

The shredder including the shredding mechanism includes a top cover, a lower cover, and a base, and a waste box is disposed in the base, and the lower cover has a waste outlet and the base The shredding mechanism is installed on the lower cover, and the top cover and the base are joined together to place the shredding mechanism and the lower cover. There is a mouth, and the motor of the shredding mechanism is placed in the base through the through-hole.

  Compared with the prior art, the present invention provides a shredder assembled from an optimized transmission structure and a shredding mechanism for the shredder. And the motors can be housed on one side of the base without affecting the vertical space of the waste bin, which greatly increases the shredder volume. Can be reduced.

  Hereinafter, a shredder and a shredding mechanism thereof according to an embodiment of the present invention will be described in detail with reference to the drawings.

  As shown in FIGS. 1 and 2, the shredder according to the present embodiment includes a top cover 11, a shredding mechanism 5, a lower cover 3, and a base 14, and the lower cover 3 has a waste outlet 31. Installed on the base 14, the shredding mechanism 5 is placed on the lower cover 3, the top cover 11 and the base 14 are joined together, and the lower cover 3 and the shredding mechanism 5 are placed inside. To do. A paper slot 12 is provided in the top cover. Paper is introduced from the paper inlet 12 of the top cover 11 and is shredded into paper waste when passing through the shredding mechanism 5, and is disposed in the base 14 from the waste outlet 31. 6 (see FIG. 4).

  As shown in FIGS. 3 and 4, the shredding mechanism 5 includes a main rotary blade 51 (see FIG. 1), a sub rotary blade 52 (see FIG. 1), the core cover 58, a motor 53, and the like. , A power supply (not shown) is externally connected to the motor 53, and the main rotary blade 51 and the sub rotary blade 52 are connected to the core cover via their own rotary shafts 510 and 520, respectively. 58, one end of each of the rotation shafts 510 and 520 in the same direction is provided with a main column gear 511 and a sub column gear 521 that protrude from the core cover 58 and engage with each other separately.

In addition, a transmission gear 518 is further installed on the outer end of the rotation shaft 510 of the main rotary blade 51, and the transmission gear 518 is a tapered gear. The motor 53 is installed outside the core cover 58 so that the rotor to be placed faces upward, and is perpendicular to the longitudinal long surfaces of the main rotary blade 51 and the sub rotary blade 52. Yes. Moreover, said the rotor of the motor 53 is installed transmission mechanism 54 which is known, but the speed-change Organization 5 4 includes an output gear 548, output gear 548 is also gear tapered. Here, the transmission gear 518 and the output gear 548 are engaged with each other, and the crossing angle of the shaft formed by the both is 90 degrees.

  As shown in FIGS. 2 and 4, the lower cover 3 is provided with a through-hole 32 according to the change in which the motor 53 is left in a vertical state. 53 is placed on one side of the base 14. Further, the vertical space of the waste box 6 is narrower than the vertical space of the base 14 (see FIG. 1), and does not affect the internal state of the motor 53 in the base 14, and The motor 53 does not affect the paper waste storage space in the waste box 6.

  Also, as shown in FIGS. 1 to 4, the crossing angle of the shaft formed by the tapered transmission gear 518 and the output gear 548 may be selected in other angle ranges, but the optimum angle is 90 degrees. It is.

  The transmission gear 518 installed on the main rotary blade 51 may be left at the other end of the rotary shaft 510. In this case, the motor 53, the speed change mechanism 54, and the output gear are correspondingly provided. 548 may be left at another end of the main column gear 511 and the sub column gear 521.

  The transmission mechanism 54 can be sealed with a box (not shown), but since this technique is well known, detailed description thereof is omitted here.

  Furthermore, the shredder according to the present invention can be provided with a plurality of rotary blades, and column gears are respectively installed at one end in the same direction of the rotary shaft joined to each rotary blade, and two adjacent column gears are mutually connected. A tapered transmission gear 518 that meshes with the output gear 548 on the transmission mechanism 54 is added to one of the rotating shafts. Such a method is also applied to a conventional paper shredder having a plurality of paper inlets and various cutting functions.

  When the shredder is energized and operated, the motor 53 is rotated so that the rotation speed of the output gear 548 is rotated at a relatively low speed through the engagement of a plurality of gears of the transmission mechanism 54. To do. Further, the output gear 548 drives the transmission gear 518 engaged with itself, and the transmission gear 518 rotates the main rotary blade 51 by driving the rotation shaft 510 of the main rotary blade 51. At this time, the main column gear 511 installed on the main rotary blade 51 is also rotated, and further, the sub column gear 521 engaged with the main column gear 511 is driven, so that the sub rotary blade 52 is driven and reversed. That is, a paper shredding function is realized by the cooperation of the main rotary blade 51 and the sub rotary blade 52 so as to rotate in a direction opposite to the main column gear 51.

  As described above, the shredder that applies the shredding mechanism according to the present invention is greatly simplified in its own volume, further reducing the occupied area and improving the transportation efficiency. Can do.

It is a perspective view which shows the assembly structure of the shredder which concerns on embodiment of this invention. It is a perspective view which shows the lower cover of the shredder which concerns on embodiment of this invention. It is a perspective view which shows the shredder shredding mechanism which concerns on embodiment of this invention. It is a side schematic diagram in the case of assembling a shredder shredding mechanism and a waste box according to an embodiment of the present invention.

Claims (4)

A core cover, a motor, a speed change mechanism and at least two rotary blades; a power supply is externally connected to the motor; the speed change mechanism has an output gear and is installed on a rotor of the motor; At least two rotary blades are installed on the core cover and have separate rotary shafts. One end of each rotary shaft in the same direction is installed with a mutually engaged column gear. A transmission gear is installed on the rotary shaft of the blade, and the output gear and the transmission gear include a shredding mechanism that meshes with each other and is a tapered gear, and includes a top cover, a lower cover, , A trash box is installed in the base, the lower cover has a waste outlet and is installed on the base, the shredding mechanism is installed on the lower cover, Top cover and base are chains A shredder for internal location of the shredding mechanism and the lower cover and,
A through hole is provided in the lower cover, a waste box having a slightly narrower width than the lower cover is disposed in the lower cover, and the motor is connected to the waste box through the through hole of the lower cover. A shredder characterized by being placed in the upper base on the side . The shredder according to claim 1 , wherein an intersection angle between the shafts of the output gear and the transmission gear is 90 degrees. Claim 1 or 2, characterized in that located in the same direction of one end of the Koramugiya which is installed on a transmission gear which is installed on the rotation shaft of the rotary blade and the rotating shaft are all the rotating shaft The shredder in any one of. Wherein each Koramugiya which is installed on a transmission gear which is installed on the rotation shaft of the rotary blade and the rotary shaft and being located in the unequal direction of one end of the rotary shaft according to claim 1 or The shredder in any one of 2 .

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