JPS6314973B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an electric powder sieve for sieving lumps of flour, cocoa, etc., which can be easily used at home.

BACKGROUND ART A conventional electric powder sieve of this type has a configuration as shown in FIG. The details will be explained with reference to FIGS. 3 to 5.

In the figure, 1 is a cylindrical container for storing the powder to be sieved. A rib 1a extending toward the center integrally with the container 1 is provided inside the lower end opening of the container 1.
(three in this conventional example) and a support portion 3 is formed at the center where these ribs 1a are concentrated. The support portion 3 has a support shaft 4 projecting downward.
is fixed.

A sieve 2 is rotatably mounted on the support shaft 4, and a retaining ring 5 positions the sieve 2 and prevents it from falling off. Further, a substantially U-shaped rib 6 having walls extending in a direction perpendicular to the rotating direction of the sieve 2 and spaced apart is formed on a part of the outer periphery of the sieve 2 .

7 is a handle, a switch 8 is attached to the upper part, and a battery 9 and a motor 10 are housed and fixed inside. The battery 9 and the motor 10 are connected by a positive lead 11, a switch 8, a common lead 13, and a negative lead 12. 1
4 is a lid of a battery chamber that houses the battery 9. Also,
An eccentric shaft 16 is fixed to the motor shaft 15 of the motor 10, and the handle 7 is attached to the container 1 in such a way that the eccentric shaft 16 fits into a gap between a substantially U-shaped rib 6 formed on a part of the outer periphery of the sieve 2. installed on.

The substantially U-shaped rib 6 and the eccentric shaft 16 fit together with a slight gap in the rotational direction of the sieve 2 and with a free space in the direction perpendicular to the rotational direction of the sieve 2. . Therefore, when the contacts of the switch 8 are closed and power from the battery 9 is supplied to the motor 10, the motor 10 starts and the eccentric shaft 16 rotates while slidingly contacting the inner wall of the substantially U-shaped rib 6, and the sieve 2 is moved eccentrically. It vibrates horizontally with an amplitude twice the amount of eccentricity of the shaft 16. The powder and lumps in the container 1 were sieved by the vibration of the sieve 2.

In addition, as can be seen from Figures 2 and 3, the container 1
The shape was roughly mortar-like. With this shape of the container 1, the area through which the powder passes becomes gradually narrower toward the sieving direction of the powder. The passage for the powder is further narrowed by several ribs 1a formed integrally with the container 1. Therefore, there was a problem that large lumps of powder stopped at the rib portion 1a and did not reach the sieve 2.

Furthermore, even if the lumps of powder passed through the ribs 1a and reached the sieve 2, the larger the lumps, the longer the sieving time.

By the way, when powder is stored in seasonal and storage conditions, especially during the rainy season when the humidity is high and external force is applied to the powder bag, it becomes a large lump when taken out from the bag. Therefore, a problem has arisen in that the sieving time varies greatly depending on the season and the state of storage of the flour, even for the same type of flour.

Problems to be Solved by the Invention The present invention solves the above-mentioned conventional drawbacks.The present invention aims to eliminate the above-mentioned drawbacks of the conventional technology. The purpose is to provide a powder sieve.

Means for Solving the Problems In order to achieve the above object, the present invention includes:
A movable plate having a large number of openings is disposed above a support part having several ribs formed in the container to support the sieve, and vibrations of the sieve are transmitted to the movable plate.

Function: Since the movable plate vibrates together with the sieve, powder lumps can be broken down into smaller pieces before they reach the sieve, reducing the sieving time.

Embodiment Hereinafter, an embodiment of the present invention will be described based on FIGS. 1 and 2.

In the figure, 21 is a cylindrical container for storing the powder to be sieved. Inside the lower end opening of this container 21, ribs 21a (three in this embodiment) extending toward the center and a support portion 23 are formed at the center where these ribs 21a are concentrated, integrally with the container 21. ing. Furthermore, a support shaft 24 that projects vertically is fixed to the support portion 23.

A sieve 22 is rotatably attached to the lower part of the support shaft 24, and a retaining ring 25 positions the sieve 22 and prevents it from falling off. Furthermore, a substantially U-shaped rib 26 having walls extending perpendicularly to the rotational direction of the sieve 22 and spaced apart is formed on a part of the outer periphery of the sieve 22 .

27 is a handle, a switch 28 is attached to the top, and a battery 29 and a motor 30 are installed inside.
The accommodation has been fixed. battery 29 and motor 30
are connected by a positive lead 31, a switch 28, a common lead 33, and a negative lead 32. 34 is a lid of a battery chamber that accommodates the battery 29. Further, an eccentric shaft 36 is fixed to the motor shaft 35 of the motor 30, and the handle 27 is configured such that the eccentric shaft 36 fits into a gap between a substantially U-shaped rib 26 formed on a part of the outer periphery of the sieve 22. It is attached to the container 21.

37 is a support shaft 2 protruding above the support part 23;
This is a movable plate that is rotatably attached to 4. This movable plate 37 has a large number of opening holes 37a.
A connecting rod 22a formed on a part of the sieve 22
A fitting hole 37b drilled in the movable plate 37 is fitted into the fitting hole 37b.

The substantially U-shaped rib 26 and the eccentric shaft 36 are connected to the sieve 22.
The sieve 22 is fitted with a slight gap in the direction of rotation, and with a free space in a direction perpendicular to the direction of rotation of the sieve 22. Therefore, when the contacts of the switch 28 are closed and power from the battery 29 is supplied to the motor 30, the motor 30 starts and the eccentric shaft 36 rotates while slidingly contacting the inner wall of the substantially U-shaped rib 26, and the sieve 22
horizontally vibrates with an amplitude twice the amount of eccentricity of the eccentric shaft 36. At the same time, the movable plate 37 horizontally vibrates in substantially the same manner as the sieve 22 via a connecting rod 22a formed in a part of the sieve 22. Therefore, when the lump of powder placed in the container 21 passes on the movable plate 37 and through the opening hole 37a of the movable plate 37, it is finely pulverized by the vibration of the movable plate 37 and the opening hole 37a. Sieve 22
It falls to the top and is sieved by the sieve 22 even more finely. Therefore, large lumps of powder do not stop at the ribs 21a, and the sieving time is short.

Further, in consideration of cleaning, the movable plate 37 is made removable. This movable plate 37 has an opening hole 37.
In addition to a, it is also possible to provide a plurality of ribs on the top surface to make the powder lump even finer.

Effects of the Invention As described above, the present invention includes a movable plate having a large number of openings above the sieve, and by transmitting the vibration of the sieve to the movable plate, it is possible to make the lumps of powder that reach the sieve as fine as possible. can. Therefore, with the electric powder sieve of the present invention, the time required to sieve the powder becomes longer depending on the season, storage conditions, etc.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of an embodiment of the powder sieve of the present invention;
Fig. 2 is a plan view of the same embodiment, Fig. 3 is a sectional view of a conventional electric powder sieve, Fig. 4 is a plan view thereof, and Fig. 5 is the fitting of the roughly U-shaped rib of the sieve and the eccentric shaft. It is a perspective view showing a state. 21... Container, 21a... Rib, 22... Sieve, 22a
...Connecting rod, 23... Support part, 24... Support shaft, 26...
Roughly U-shaped rib, 27...handle, 28...switch, 2
9...Battery, 30...Motor, 36...Eccentric shaft, 37
...Movable plate, 37a...opening hole, 37b...fitting hole.

Claims (1)

[Scope of Claims] 1. A substantially cylindrical container having a sieve support portion formed by a rib projecting from an inner wall at the center of the lower part, a handle attached to the container and having a built-in electric motor, and a handle of the support portion. a sieve mounted below and vibrated by the electric motor; a movable plate having a plurality of openings formed therein is mounted on the supporting portion in a position above the sieve; An electric powder sieve characterized in that an interlocking member is provided to transmit the information to the movable plate.