JP2007054745A - Deodorizing apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a deodorizing apparatus with easy assembling capable of ensuring a sealing property of a fin catalyst even if a dimension accuracy of a member is not made so high. <P>SOLUTION: The deodorizing apparatus is provided with a cylindrical case 22 with a bottom having a suction part 23 and an exhaust part 24; the fin catalyst 29 inserted into the case 22 and forming an exhaust passage of an exhaust gas; and a heater 25 mounted to a lid 30 for heating the fin catalyst 29. The fin catalyst 29 has a metal plate 26 having a surface carried with a catalyst and formed with the exhaust passage in a swirl shape; and an abutment plate 28 provided so as to cover both ends of the metal plate 26. In the state that a heat insulation material 34 is arranged at an outer side of the abutment plate 28, the fin catalyst 29 is inserted into the case 22 and the heat insulation material 34 is compressed, the lid 30 is applied to the case 22. Thereby, the sealing property of the fin catalyst 29 can be ensured and the assembling is facilitated only by applying the lid 30 to the case 22 even if the dimension accuracy of the member is not made so high. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a deodorizing apparatus used for a kitchen garbage processing machine for processing kitchen kitchen garbage.

Conventionally, as a deodorization apparatus used in a garbage disposal machine, a catalyst is supported on a fin formed by spirally winding a metal thin plate around a metal pipe into which a deodorizing heater is inserted. And a heat insulating material wound around and installed in a case are known (for example, see Patent Document 1).
JP-A-9-155159

  However, in the conventional configuration, a spiral exhaust passage surrounded by the fin and the metal thin plate is formed in the case by the metal thin plate wound around the fin carrying the catalyst and the heat insulating material. For this reason, in order to ensure the sealing performance of the exhaust passage, the dimensional accuracy of the fins, the case and the heat insulating material must be increased, and the fins wrapped with the thin metal plate and the heat insulating material must be press-fitted into the case. The problem was that the assembly was difficult.

  SUMMARY OF THE INVENTION The present invention solves the above-described conventional problems, and an object of the present invention is to provide a deodorizing apparatus that can ensure the sealing performance of the fin catalyst and can be easily assembled without increasing the dimensional accuracy of members.

  In order to solve the above-described conventional problems, a deodorizing apparatus according to the present invention includes a bottomed cylindrical case having an intake portion and an exhaust portion, and an exhaust passage for exhaust gas inserted into the case from the intake portion to the exhaust portion. A fin plate that heats the fin catalyst, and a heater attached to the lid of the case, the fin catalyst carrying a catalyst on the surface and forming a metal plate having the exhaust passage formed in a spiral shape; A cover plate provided to cover both ends of the metal plate, a heat insulating material is arranged on the outside of the metal plate, a fin catalyst is inserted into the case, and a lid with a heater attached with the heat insulating material compressed It is given to the case.

  Thus, if a heat insulating material is arranged on the outside of the backing plate, the fin catalyst is inserted into the case, and a cover attached with a heater is applied to the case in a state where the heat insulating material is compressed, the dimensional accuracy of the member is not increased so much. As a result, the sealing performance of the fin catalyst can be ensured, and the assembly is facilitated.

  The deodorizing apparatus of the present invention can ensure the sealing performance of the fin catalyst and can be easily assembled without increasing the dimensional accuracy of the members.

  A first invention includes a bottomed cylindrical case having an intake portion and an exhaust portion, a fin catalyst that is inserted into the case and forms an exhaust passage of exhaust gas from the intake portion to the exhaust portion, and the fin catalyst A heater attached to the lid of the case for heating, and the fin catalyst has a metal plate that carries the catalyst on its surface and forms the exhaust passage in a spiral shape, and a contact plate that covers both ends of the metal plate By arranging a heat insulating material on the outside of the backing plate, inserting the fin catalyst into the case and making a deodorizing device with a cover attached with a heater in a compressed state of the heat insulating material, If a heat insulating material is arranged outside the backing plate, the fin catalyst is inserted into the case, and a cover with a heater attached is applied to the case with the heat insulating material compressed, the fin catalyst can be obtained without increasing the dimensional accuracy of the member. The sea Sex can be ensured, in which it is easy to assemble.

  According to a second aspect of the invention, in particular, in the first aspect of the invention, the metal plate and the contact plate are provided with an engaging claw on one of them and an engagement hole for engaging with the engaging claw on the other side. By integrating the two through engagement of the joint holes, the fin catalyst can be assembled easily and reliably and can be unitized.

  In the third aspect of the invention, in particular, in the first or second aspect of the invention, by providing a spiral groove into which the end portion of the metal plate is fitted in the backing plate, the assembly of the fin catalyst is further facilitated and surely performed. Can be united.

  According to a fourth aspect of the present invention, in particular, in any one of the first to third aspects, the end surface of the fin catalyst is provided by providing a member that contacts the end surface of the metal plate constituting the fin catalyst on the inner surface of the case. This improves the sealing performance and prevents leakage of gas flowing in the fin catalyst.

  In the fifth invention, in particular, in the fourth invention, the member on the inner side surface of the case that contacts the end surface of the metal plate has a guide groove for guiding the end surface of the metal plate, and is provided in the longitudinal direction of the case. As a result, the sealing performance of the end face of the fin catalyst is further improved, and leakage of gas flowing in the fin catalyst can be prevented.

  In the sixth invention, in particular, in any one of the first to third inventions, one of the contact plates is fixed to the metal plate, the catalyst is supported on the metal plate, and then the other contact plate is fixed to the metal plate. This facilitates the catalyst loading operation on the spiral metal plate.

  According to a seventh aspect of the invention, in particular, in any one of the first to sixth aspects of the invention, in place of the bottomed cylindrical case, the case lid is provided with an intake portion and an exhaust portion, so that the projection is provided on the case. When installing a deodorizing device, there is an effect that a small space is sufficient.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, this invention is not limited by this embodiment.

(Embodiment 1)
1 to 4 show a deodorizing apparatus according to Embodiment 1 of the present invention.

  As shown in FIG. 1, a deodorizing apparatus 21 according to the present embodiment includes a case 22 having a bottomed cylindrical shape having an intake portion 23 at a bottom and an exhaust portion 24 at a side, and having an oval or rectangular cross section. A fin catalyst 29 that is inserted into the exhaust portion 23 to form an exhaust gas exhaust passage from the intake portion 23 to the exhaust portion 24, and a sheath attached to the lid 30 of the case 22 that is located in the center of the fin catalyst 29 and heats it. And a heater 25 such as a heater. The fin catalyst 29 has a metal plate 26 that carries a catalyst on its surface and forms the exhaust passage in a spiral shape, and a contact plate 28 that covers both ends of the metal plate 26. Further, a sheet-like heat insulating material 34 is arranged, the fin catalyst 29 is inserted into the case 22, and a lid 30 attached with the heater 25 in a state where the heat insulating material 34 is compressed is applied to the case 22. The lid 30 and the case 22 are fixed by appropriate means such as screwing.

  A plurality of partition plates 27 are alternately provided on the surface of the metal plate 26 at the center and both ends in the longitudinal direction so that the distance of the spiral exhaust passage through which the exhaust gas passes is increased. Has been. This partition plate 27 also carries a catalyst on its surface. Further, a member 22 a that contacts the end surface 26 a of the metal plate 26 constituting the fin catalyst 29 is provided on the inner surface of the case 22. As is apparent from FIG. 2, a member 22a on the inner side surface of the case 22 that contacts the end surface 26a of the metal plate 26 is a guide groove (in the embodiment, a U-shaped groove) that guides the end surface 26a of the metal plate 26. And is provided in the longitudinal direction of the case 22. The outer side of the case 22 is covered with a heat insulating material 33 as shown in FIG.

  Further, as shown in FIG. 3, the metal plate 26 and the contact plate 28 are provided with an engagement claw 31 on one side and an engagement hole 32 that engages with the engagement claw 31 on the other side. Both are integrated (unitized) by the engagement of the engagement hole 32. Although the figure shows a case where the engagement claw 31 is provided on the metal plate 26 and the engagement hole 32 is provided on the abutting plate 28, the reverse may be possible. Further, as shown in FIG. 4, at least one of the contact plates 28 is provided with a spiral groove 28a into which the end of the metal plate 26 is fitted, so that the fin catalyst 29 can be more easily and reliably assembled. Can be unitized.

  To assemble the deodorizing apparatus 21 as described above, the fin catalyst 29 is inserted into the case 22 with the heat insulating material 34 placed on the outside of the backing plate 28. At this time, the end portion 26 a of the metal plate 26 is guided by the guide groove of the member 22 a provided on the inner surface of the case 22. Then, by inserting the heater 25 in the center of the fin catalyst 29, the heat insulating material 34 is compressed between the bottom surface of the case 22 and the lower surface of the lid 30, and the sealing performance of the fin catalyst 29 can be ensured and the assembly is easy. Become.

  When the catalyst is supported on the metal plate 26, it is difficult to perform the undercoat in the previous step of catalyst support when the contact plate 28 is fixed on both sides of the metal plate 26, and when the catalyst is applied. It becomes difficult to shake off the catalyst solution after being immersed in the catalyst solution, and an excessive amount of catalyst is applied. Here, one of the contact plates 28 is fixed to the metal plate 26, the catalyst is supported on the metal plate 26, and then the other contact plate 28 is fixed to the metal plate 26 so that the undercoat is applied and immersed in the catalyst solution. The work of shaking off the post-catalyst solution is easy to perform, and the work of supporting the catalyst on the metal plate 26 is facilitated.

(Embodiment 2)
FIG. 5 shows a deodorizing apparatus according to Embodiment 2 of the present invention. The same elements as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.

  In the present embodiment, instead of the bottomed cylindrical case 22 in the first embodiment, an intake portion 23 and an exhaust portion 24 are provided on the lid 30 of the case 22. Other configurations are the same as those of the first embodiment.

  Thus, by providing the intake part 23 and the exhaust part 24 in the lid 30 of the case 22, there is no projection in the case 22, and an effect that a small space is sufficient when installing the deodorizing device is obtained.

  As described above, the deodorizing apparatus according to the present invention can ensure the sealing performance of the fin catalyst without facilitating the dimensional accuracy of the members and is easy to assemble. It can also be applied to household equipment and commercial equipment.

The disassembled perspective view of the deodorizing apparatus in Embodiment 1 of this invention Cross section showing the main part of the deodorizing device An exploded perspective view showing a main part of the deodorizing apparatus An exploded perspective view of another configuration showing the main part of the deodorizing apparatus The disassembled perspective view of the deodorizing apparatus in Embodiment 2 of this invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 21 Deodorizing device 22 Case 23 Intake part 24 Exhaust part 25 Heater 26 Metal plate 27 Partition plate 28 Contact plate 29 Fin catalyst 30 Cover 31 Engagement claw 32 Engagement hole

Claims (7)

A bottomed cylindrical case having an intake portion and an exhaust portion, a fin catalyst inserted into the case to form an exhaust passage of exhaust gas from the intake portion to the exhaust portion, and heating the fin catalyst, A heater attached to a lid, and the fin catalyst has a metal plate carrying a catalyst on its surface and forming the exhaust passage as a spiral, and a contact plate provided to cover both ends of the metal plate, A deodorizing apparatus in which a heat insulating material is arranged on the outside of the backing plate, a fin catalyst is inserted into the case, and a cover is attached to the case with a heater attached in a compressed state of the heat insulating material. The metal plate and the contact plate are each provided with an engaging claw, the other is provided with an engaging hole that engages with the engaging claw, and both are integrated by engagement of the engaging claw and the engaging hole. Deodorizing apparatus described in 1. The deodorizing apparatus according to claim 1 or 2, wherein the contact plate is provided with a spiral groove into which an end of the metal plate is fitted. The deodorization apparatus of any one of Claims 1-3 which provided the member contact | abutted with the end surface of the metal plate which comprises a fin catalyst in the inner surface of a case. The deodorizing apparatus according to claim 4, wherein the member on the inner side surface of the case that contacts the end surface of the metal plate has a guide groove for guiding the end surface of the metal plate, and is provided in the longitudinal direction of the case. The deodorizing apparatus according to any one of claims 1 to 3, wherein one of the contact plates is fixed to a metal plate, the catalyst is supported on the metal plate, and then the other contact plate is fixed to the metal plate. The deodorizing apparatus according to any one of claims 1 to 6, wherein an air intake portion and an air exhaust portion are provided on a lid of the case in place of the bottomed cylindrical case.