JP2001238800A - Home bakery - Google Patents

Abstract

PROBLEM TO BE SOLVED: To lower the height of a home bakery to made a product more compact. SOLUTION: In this home bakery for transmitting the torque of a motor 4 to the kneading shaft 44 of a bread vessel 8 through a speed reducer 6, a drive-side coupling 7a, and a driven coupling 7b engaged therewith, a structure in which an output-side large pulley 18 of the speed reducer 6 is integrated to the drive-side coupling 7a is adapted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simple automatic baking machine used in ordinary households, that is, a so-called home bakery.

[0002]

2. Description of the Related Art FIG. 6 shows a conventional home bakery. This home bakery
A chassis 62 is provided at a lower portion in the casing 61, and an oven 64 is provided on the chassis 62 along with the motor 63.
Is provided. A bread container 65 is installed in an oven 64, and a kneading blade 66 is attached to an upper end of a kneading shaft 67 that penetrates the bottom surface of the bread container 65. A driven coupling 68 is attached to the lower end of the kneading blade 66, and the
A cylindrical container lower member 69 surrounding the 7 and the driven side coupling 68 is fixed to the lower surface of the bread container 65.

[0003] A driving coupling 70 removably fitted to the driven coupling 68 is attached to the upper end of an output shaft 71. The output shaft 71 is arranged concentrically with the above-mentioned kneading shaft 67, and is connected to the chassis 6 via a bearing member 72.
2 through. A small pulley 73 is attached to the motor shaft of the motor 63 below the chassis 62, and a large pulley 74 is attached to the lower end of the output shaft 71. A belt 75 is provided between these pulleys 73 and 74.
, A speed reducer is configured.

A heater 76 is provided inside the oven 64.
Is provided, and the bread container 65 is installed inside thereof.

[0005]

A home bakery used in a general home is required to be as compact as possible because it is easily limited by the installation location. From this viewpoint, a conventional home bakery employs a layout in which the motor 63 and the oven 64 are juxtaposed as described above. According to this layout, the height of the product can be reduced, but the installation area cannot be avoided. In this respect, it cannot be said that sufficient compactness has yet been achieved.

Accordingly, the present invention employs a layout in which a motor is arranged below the oven to reduce the installation area, while reducing the height of the product by devising the structure of the speed reducer and the coupling to reduce the height of the home bakery. It is an object of the present invention to further reduce the size.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention pans the torque of the motor from a motor through a speed reducer, a drive-side coupling and a driven-side coupling engaged therewith. In a home bakery designed to transmit to a kneading shaft of a container, a configuration in which the output element of the speed reducer and the drive-side coupling are integrated is adopted.

According to the above configuration, since the output element of the speed reducer and the drive-side coupling are integrated, the height of the product is reduced as compared with a case where these are individually arranged vertically.

An output element of the speed reducer is disposed below the driven-side coupling so as to be opposed to the output-side coupling, and a concave portion is provided on a surface facing the output element, and the drive-side coupling is integrally formed on the bottom surface of the concave portion. The height of the product is further reduced by the depth of the recess.

Further, it is preferable that a cylindrical container lower member surrounding the driven side coupling is fixed to the lower surface of the bread container, and the container lower member is fitted into the recess of the output element in a non-contact state. Therefore, the product height is reduced by the amount of fitting of the container lower member into the recess.

[0011] A cylindrical container lower member surrounding the driven side coupling is fixed to the lower surface of the bread container, and a cutout portion for passing a part of the speed reducer is provided in a part of the container lower member. When a configuration in which the container lower member is fitted to the outer peripheral portion of the output element in a non-contact state is adopted, the product height is reduced by the fitting amount of the container lower member. The notch is provided to prevent interference with a belt or the like of a speed reducer.

[0012] Further, by adopting a structure in which an input element of the speed reducer is mounted on a motor shaft of the motor and a torque is transmitted from the input element to the output element via an intermediate element, the rotation shaft of the motor shaft and the output element is provided. Even if the inter-axis distance is small, the inter-axis distance required for the deceleration action can be obtained by passing through the intermediate element.

In the structure of the speed reducer, the intermediate element is provided on the same intermediate shaft in two upper and lower stages, and the speed reducer includes an upper stage composed of an upper intermediate element and the output element; A lower stage composed of an input element can be adopted, and at least the upper stage can be configured to have a predetermined reduction ratio. When the reduction ratio of the lower part is 1, the lower part merely serves to transmit the torque of the motor to the intermediate shaft. If the upper and lower stages are set so as to have a predetermined reduction ratio, the difference in diameter or the number of teeth between elements in each stage is reduced.

[0014] A container support member, wherein a shaft support portion of the output element, a shaft support portion of the intermediate shaft, and a plurality of columns higher than the speed reducer are formed by integral receiving parts, and the columns support the bread container. It can be configured to be mounted. By giving several functions to one receiving part, the number of parts can be reduced and the configuration can be simplified.

The above-mentioned speed reducer may be configured by either a belt transmission in which each element is constituted by a pulley or a gear transmission constituted by a gear.

[0016]

Embodiments of the present invention will be described below with reference to the accompanying drawings. The home bakery according to the first embodiment shown in FIGS. 1 to 3 has a motor 3 mounted on a bottom surface of the casing 1 by fixing the chassis 3 to the inner bottom of a casing 1 having a substantially square planar shape via mounting feet 2. Is brought into contact with the lower surface of the chassis 3, and the motor shaft 5 penetrates the chassis 3. A bread container 8 is detachably installed above the chassis 3 via a speed reducer 6 and a coupling 7. The above motor 4 is the chassis 3
(See Figure 1)
The bread container 8 is installed above the center of the chassis 3.

The reduction gear 6 includes a lower reduction gear 9 and an upper reduction gear 11.
(See FIG. 3). The lower speed reducer 9 includes an input-side small pulley 12 attached to the motor shaft 5, an intermediate large pulley 13 having a diameter larger than the input side pulley 12, and a belt 14 wrapped around these. Intermediate large pulley 1
The intermediate shaft 15 that rotatably supports the shaft 3 is supported by a sleeve-shaped intermediate shaft support 16 at a corner portion of the chassis 3 opposite to the motor 4 as shown in FIG.

The upper reduction gear 11 is provided with the intermediate large pulley 13
Intermediate pulley 1 formed integrally with and above
7 and an output-side large pulley 18 and a belt 19 wound around these. Large output pulley 1 above
8, an output shaft 21 provided on the lower surface of a drive-side coupling 7a, which will be described later, is supported via a bearing 20 on an output shaft support 22 integrally formed with the intermediate shaft support 16.
The output shaft 21 is located substantially at the center of the casing 1,
The input-side small pulley 12 of the lower speed reduction unit 9 faces the lower surface of the output-side large pulley 18 of the upper speed reduction unit 11.

Each of the belts 14 and 19 is a timing belt having teeth on its inner surface, and each of the pulleys 12, 13, 17, and 18 is also formed with teeth so as to mesh therewith.

The diameters of the pulleys 12, 13, 17, and 18 of the lower speed reducer 9 and the upper speed reducer 11 of the speed reducer 6 are set so as to have a predetermined reduction ratio. When the required reduction ratio can be obtained only by the upper reduction unit 11, the lower reduction unit 9 is designed to have no reduction ratio. However, when both the lower speed reducer 9 and the upper speed reducer 11 are designed to have a predetermined speed reduction ratio as in the above embodiment, the diameter ratio of each pulley becomes smaller, so that the winding angle of the belt in the smaller diameter pulley becomes larger. And tooth jumping can be prevented.

The above-described speed reducer 6 may be constituted by a combination of gears. In that case, each pulley 12, 1
A gear is used instead of 3, 17, and 18, but in the claims, the pulley and the gear are collectively referred to as an element.

On the upper surface of the output-side large pulley 18, a recess 24 is provided leaving an outer peripheral wall of a predetermined thickness. As shown in FIG. Is provided with a shallow positioning recess 26. The drive-side coupling 7 a constituting the coupling 7 is fixed to the positioning recess 26 with a screw 27. The output shaft 21 is provided on the lower surface of the drive-side coupling 7a (see FIG. 2), penetrates downward through the hole 25, and is supported by the output shaft support 22 as described above. The drive-side coupling 7a is provided with engagement protrusions 28 at two locations symmetrical about the center on the upper surface.

The intermediate shaft support 16 and the output shaft support 22 are provided on an integral receiving part 29 shown in FIG. The intermediate shaft support 16 is formed so as to protrude downward, and is inserted into the mounting hole 31 of the chassis 3. The output shaft supporting portion 22 is formed so as to protrude below a base portion 32 having a height substantially equal to the thickness of the input-side small pulley 12 and the intermediate large pulley 13. The receiving part 29 is provided integrally with three square pillars 33 around the base part 32. When the receiving part 29 is mounted on the upper surface of the chassis 3, the upper end of each pillar 33 is located slightly higher than the upper surface of the large output pulley 18 (see FIG. 2).

On the upper end of each column 33, three projecting pieces 35 of an annular container receiving member 34 are mounted. And its protruding piece 3
The lower surface around the opening of the bottom surface of the oven 36 is placed on the top 5, and the container receiving member 34 and the bottom surface of the oven 36 are fixed to the columns 33 by screws 37 screwed from above.

The container receiving member 34 is provided with the output 21
And concentrically supported. The container receiving member 34 has a lower surface cam projection 38 for bayonet coupling on its outer peripheral surface.
Are provided at predetermined intervals in the circumferential direction (see FIG. 3).

A container lower member 41 having a cylindrical peripheral wall 39 is fixed to the lower surface of the bread container 8. The surrounding wall 3
9 is provided with a small brim 43 projecting outward along the lower surface of the bread container 8, and a lower surface of the small brim 43 is provided with an upper cam projection 42 for bayonet connection. Peripheral wall 39
Into the inner peripheral surface of the container receiving member 34,
When the small flange 43 is placed on the upper end of the container receiving member 34 and the bread container 8 is rotated by a required angle, the upper cam projection 42 is bayonet-coupled to the lower cam projection 38. The lower end of the peripheral wall 39 of the container lower member 41 is fitted until it reaches near the bottom surface of the recess 24.

A kneading shaft 44 passes through the center of the container lower member 41 and the center of the bottom surface of the bread container 8, and is rotatably supported by a bearing 45 provided on the container lower member 41. The driven-side coupling 7b is attached to the lower end of the kneading shaft 44. The driven coupling 7b has a bar shape, and is provided on the opposite side of each of the engagement protrusions 28, 28 of the drive side coupling 7a (the side opposite to the left and right when the respective engagement protrusions 28, 28 are viewed from the center). Engage to transmit drive torque. The upper end of the kneading shaft 44 protrudes into the bread container 8,
The kneading blade 46 is detachably attached to the protruding portion.

A sheath heater 47 is provided on the inner peripheral surface of the oven 36 at a required interval. In addition, a lid 49 lined with an oven upper plate 48 is placed over the opening of the casing 1.

The home bakery of the first embodiment is as described above, and bread is baked through a series of steps of fermentation, kneading, and baking. Looking at the compactness of the product, it is natural that the installation area is remarkably reduced due to the layout of the motor 4 below the oven 36.
1 does not penetrate the chassis 3, the conventional bearing 72
(See FIG. 6) is unnecessary, and that the drive-side coupling 7a is integrated with the large output pulley 18 of the speed reducer 6, especially at the bottom surface of the recess 24. Since the lower half of the container lower member 41 is fitted into the recess 24, the increase in height caused by the motor 4 is suppressed, and compactness in the height direction is achieved. it can.

Next, in the second embodiment shown in FIG. 4, the drive-side coupling 7a is connected to the concave portion 2 of the large output pulley 18.
4 is formed by integral molding on the bottom surface. The illustrated drive-side coupling 7a is provided with a rectangular recess 51 into which the bar-shaped driven-side coupling 7b is fitted, and a triangular protrusion-shaped guide portion 52 on both side walls thereof. When the phases of the two couplings 7a and 7b do not match, the driven-side coupling 7b slides on the inclined surface of the guide portion 52 and is fitted into the rectangular recess 51. Other configurations are the same as those in the first embodiment.

The third embodiment shown in FIG.
The outer diameter of the large output pulley 18 in the embodiment is formed smaller than the inner diameter of the peripheral wall 39 of the container lower member 41, and the peripheral wall 39 is fitted to the outer periphery of the large output pulley 18 in a non-contact state. Things. However, in order to avoid interference between the peripheral wall 39 and the belt 19, notches 52 are provided at two places on the peripheral wall 39.

If the reduction ratio becomes insufficient due to the reduction in the outer diameter of the large output pulley 18 as described above, supplemental measures such as reducing the diameter of the intermediate small pulley 17 are taken. Other configurations are the same as those in the first embodiment.

[0033]

As described above, according to the present invention, the output element of the speed reducer for transmitting the torque of the motor to the kneading shaft of the bread container and the drive-side coupling are integrated, and particularly, the output element is provided on the output element. The drive-side coupling is integrated with the bottom surface of the recess, and the container lower member is fitted or fitted in a non-contact state inside or outside the recess of the output element. , The height of the product can be reduced.

Further, when the above configuration and the configuration in which the motor is installed below the oven are adopted together, the installation area and height of the product are reduced, so that the product can be made more compact.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view of a first embodiment.

FIG. 2 is a sectional view of the above.

FIG. 3 is a partially exploded perspective view of the same.

FIG. 4A is a partially exploded perspective view of the second embodiment, and FIG.

5A is a partially exploded perspective view of the second embodiment, and FIG.

FIG. 6 is a sectional view of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Casing 2 Mounting foot 3 Chassis 4 Motor 5 Motor shaft 6 Reduction gear 7 Coupling 7a Drive side coupling 7b Driven side coupling 8 Pan container 9 Lower stage reduction part 11 Upper stage reduction part 12 Input small pulley 13 Middle large pulley 14 Belt DESCRIPTION OF SYMBOLS 15 Intermediate shaft 16 Intermediate shaft support part 17 Intermediate small pulley 18 Output side large pulley 19 Belt 20 Bearing 21 Output shaft 22 Output shaft support part 24 Depression part 25 Hole 26 Positioning recess 27 Screw 28 Engagement protrusion 29 Receiving part 31 Mounting hole 32 stand part 33 pillar 34 container receiving member 35 projecting piece 36 oven 37 screw 38 lower surface cam projection 39 peripheral wall 41 container lower member 42 upper surface cam projection 43 small brim 44 kneading shaft 45 bearing 46 kneading blade 47 seeds heater 48 oven upper plate 49 lid 51 rectangular recess 52 plans Internal 53 Notch

 ──────────────────────────────────────────────────の Continuing from the front page (72) Inventor Kenji Shiba 1-20-5 Tenma, Kita-ku, Osaka Zojirushi Mahobin Co., Ltd. F-term (reference) 4B031 CA09 CK10 4B040 AA02 AA10 AC01 AC15 AD07 AE05 CA05 CA12 NB04 NB16 NB22 4B053 AA01 BA12 BB02 BC05 BC12 BC13 BC14 BE05 BE14 BF03 BF13 BK13 BK25 BK36 BL07

Claims (8)

[Claims] In a home bakery, the torque of the motor is transmitted from a motor through a speed reducer, a drive-side coupling and a driven-side coupling engaged therewith to a kneading shaft of a bread container. A home bakery characterized by integrating an output element and the drive-side coupling. 2. An output element of the speed reducer is disposed below the driven-side coupling so as to be opposed to the driven-side coupling, and a recessed portion is provided on a facing surface of the output element, and the drive-side coupling is integrally formed on a bottom surface of the recessed portion. The home bakery according to claim 1, wherein the home bakery is provided in a bakery. 3. The lower container has a cylindrical container lower member surrounding the driven-side coupling, and the container lower member is fitted into the recess of the output element in a non-contact state. The home bakery according to claim 1. 4. A lower part of the bread container is provided with a cylindrical container lower member surrounding the driven-side coupling, and a part of the container lower member is provided with a cutout part through which a part of the speed reducer passes. The home bakery according to claim 2, wherein the container lower member is fitted to an outer peripheral portion of the output element in a non-contact state. 5. An input element of the speed reducer is mounted on a motor shaft of the motor, and transmits torque from the input element to the output element via an intermediate element. Home bakery according to any of the above. 6. The intermediate element is provided on the same intermediate shaft in two upper and lower stages, and the speed reducer includes an upper stage composed of an upper intermediate element and the output element, and a lower stage composed of a lower intermediate element and the input element. 6. The home bakery according to claim 5, wherein at least an upper portion thereof has a predetermined reduction ratio. 7. A shaft supporting portion of the output element, a shaft supporting portion of the intermediate shaft, and a plurality of pillars higher than the speed reducer are formed by an integral receiving part, and the bread container is mounted on the pillar of the receiving part. 7. The home bakery according to claim 6, wherein a supporting container receiving member is attached. 8. The home bakery according to claim 1, wherein each of the elements is a pulley or a gear.