JPH10192169A - Weighing rice chest - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily mount weighing equipment on a rice chest body by forming elastic pieces and engagement pawls on weighing equipment as integral part thereof, so as to be engaged with the support member of the rice chest body and the bottom plate of a rice storage chamber. SOLUTION: Elastic pieces 12b and engagement pawls 12c to mount weighing equipment on a rice chest body A are formed on a case 12 of a synthetic resin to constitute weighing equipment, as integral part thereof. The bottom plate 16 of a rice storage chamber 1 is formed to have recesses 19 on the rear periphery of rice discharge ports 18, so as to have the engagement pawls 12c of the weighing equipment coupled. Also, a support member 17 laid between both side plates under the front of the rice chest body A has upper and lower horizontal pieces approximately U-shaped in profile with cutout parts 20 and coupling holes 21 at both ends for engaging the elastic pieces 12 of the weighing equipment. At the time of assembly, the rice chest body A is placed upside down, and the engagement pawls 12c of the weighing equipment are inserted in the rice discharge ports 18. Then, the rice chest body A is pushed up toward the rice storage chamber 1, with the contact part of the engagement pawls 12c and the periphery of the discharge ports 18 used as an axis, so as to be coupled to recesses 19 on the rear periphery of the discharge ports 18. Also, the elastic pieces 12b are engaged with the cutout parts 20 of the support member 17.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metering rice bin for supplying a fixed amount of rice.

[0002]

2. Description of the Related Art FIG. 1 shows a conventional metered rice bin of this type. In FIG. 1, reference numeral 1 denotes a rice storage chamber, and a scale 4 is connected to the bottom surface of the bottom plate 2 via a rice outlet 3. The measuring device 4 includes a metal case 5 and a measuring box 6.
And a weighing lever 7, wherein the rear edge 5 c of the rice introduction port of the case 5 is a gap between the lower surface of the bottom plate 2 fixed in advance in the rice bin main body and the metal fitting 8 attached to the lower surface of the bottom plate 2 by welding. Further, a folded portion 5b at the lower end of the case 5 is screwed by a screw 10 to a support member 9 which extends in the left-right direction below the front surface of the rice bin main body A.

[0003] In this manner, the measuring device 4 is mounted in the main unit A of the measuring rice bin, and then the front panel is mounted and assembled.

[0004]

However, in such a measuring rice bin, it is necessary to weld the metal fitting 8 to the lower surface of the bottom plate 2 in advance, and the work of attaching the measuring device 4 to the bottom plate 2 is performed on the bottom side of the main body of the rice bin. Since it must be performed in a very narrow space, there is a problem that workability is extremely poor.

Accordingly, an object of the present invention is to provide a weighing rice bin which is easy to assemble with a weighing machine and has excellent workability.

[0006]

According to the metering rice bin of the present invention, the rice inserting bin is inserted from below the rice outlet of the rice storage room along the rear slope of the bottom plate of the rice storage room at the edge of the rice inlet at the upper rear part of the case of the measuring device. It is equipped with a stop claw, and is pushed up toward the rice accommodating chamber side with the contact portion between the locking claw and the rice introduction port as an axis, and the bullets provided on both sides of the lower front end of the case are sandwiched between the left and right side plates below the front surface of the rice bin main body. It is designed to engage with the cutout portion of the passed support member.

[0007]

[Function] The measuring device and the means for attaching to the rice bin main body are integrated, and the measuring device can be directly attached to the bottom plate from the bottom side of the rice bin main body without using tools or screws.

[0008]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 2 is a perspective view of the rice bin measuring instrument of the present invention. Reference numeral 12 denotes a case made of a synthetic resin, in which a rice inlet 12a is formed at the upper rear side, and a resilient piece 12b and a locking claw 12c for attaching the measuring device 11 to the rice bin main body are integrally formed. A measure 13 and a measuring lever 14 are provided. The bullet 12b is a small piece in a pair of rectangular frames viewed from the side, extending forward from both side surfaces of the case 12, extending downward from the upper portion of the frame, and the lower portion of the bullet 12b protruding outward from the side surface of the case 12. The protruding portion operates elastically. The locking claw 12c is a small plate for connecting and fixing the measuring device 11 to the lower surface of the bottom plate of the rice storage chamber.
It extends upward from the rear edge of the rice inlet at the same angle as the rear slope of the bottom plate of the rice storage chamber. The weighing lever 14 is swingably supported by a shaft pin 15 at the front of the case 12. When the pressing portion 14 a on which the front finger is placed is pressed down, the weighing lever 14 rotates about the shaft pin 15 and pushes up the fan-shaped push-up rib 13 a of the measuring box 13. .
As a result, the measuring box 13 blocks the flow of rice between the rice introduction port 12a and the rice discharge port (not shown).

FIGS. 3 and 4 show a weighing machine 1 on a rice bin main body A.
FIG. 2 is a view of a state of mounting 1 as viewed from the bottom side of the rice bin main body, and a method of mounting the measuring device 11 will be described based on these figures. A is a rice bin main body, in which a bottom plate 16 of the rice storage chamber 1 and a support member 17 are fixed in advance by welding or the like. The bottom plate 16 is provided with a rice outlet 18 for guiding rice to the measuring instrument 11 at the center in a funnel shape, and has a shape such that the locking claw 12c is fitted to a rear edge of the rice outlet 18. A recess 19 is formed. The support member 17 has a substantially U-shape in a side view, and has a notch 20 and a fitting hole 21 for engaging the elastic piece 12b at both ends of the upper and lower horizontal pieces, respectively. It is passed between the lower left and right side plates.

As shown in FIG. 3, the rice bin main body A to which the bottom plate 16 is fixed is placed upside down, and the locking claws 12 of the measuring instrument 11 are turned upside down from the direction of the bottom of the rice bin.
c is inserted into the rice outlet 18 provided at the center of the bottom plate 16. Subsequently, the locking claw 12c is fitted around the abutting portion between the locking claw 12c and the edge of the rice outlet 18 so as to fit into a concave portion 19 formed at the rear edge of the rice outlet 18 so that the rice accommodating chamber is closer to the rice storage chamber. To engage with the notch 20 of the support member 17. The locking claw 12c is fitted into the concave portion 19 of the bottom plate 16 and does not hinder the outflow of rice from the bottom plate. Further, the locking claw 12c is directly locked to the bottom plate 16 and does not particularly require a metal fitting for locking.

FIG. 4 shows a state in which the measuring device 11 is assembled to the rice bin main body A as described above. Bullet 12
Since b is elastically engaged with the notch 20, it is not very easily engaged and disengaged. The projecting portion 12d provided at a position integral with and close to the projecting piece 12b is fitted into the fitting hole 21 and further retained by the projecting piece 22, so that the projecting piece 12b is securely fixed even if the case is distorted. Therefore, the measuring instrument 11 is firmly fixed without being disengaged.

FIG. 5 is an explanatory view of mounting the front panel to the rice bin main body A as viewed from the rear side. The internal structure is omitted. The front panel 23 covers from the upper end of the front surface of the rice bin main body A to the lower end position of the weighing device 11, and a plurality of first engaging protrusions 24 are vertically arranged at intervals on both left and right ends of the rear surface. Reference numeral 25 denotes a second engagement projection, which is arranged at the rear end of the row of the first engagement projections 24 and at the lowermost end of the rear surface of the front panel 23. First engagement projection 24 and second engagement projection 2
Reference numeral 5 denotes an inverted L-shaped vertical section, and
5 has a downwardly extending portion longer than the first engagement protrusion 24 and a projection 25a formed on the front surface of the distal end. on the other hand,
The first engagement protrusion 24 and the second engagement protrusion 24
The engaging holes 26, 27, 27a corresponding to the engaging projections 25 are formed in a folded portion 28 which is bent inward from the side. In particular, the engagement hole 27 below the folded portion 28 corresponding to the second engagement protrusion 25 is longer in the vertical direction than the engagement hole 26 corresponding to the first engagement protrusion 24, and the engagement hole 27a is convex. The part 25a is adapted to engage.

The front panel 23 first includes the first engaging projection 2
4 and the second engagement projection 25 are formed in the engagement hole 2 of the rice bin main body A.
The rice bin main body A is superposed on the front surface of the rice bin main body so as to be inserted corresponding to each of 6, 27. Then, the front panel 23 is pushed down, and the projection 25a is elastically engaged with the engagement hole 27a. In this way, the front panel 23 is fixed to the front surface of the rice bottle main body A, and then the bottom plate and the top cover are attached and the rice receptacle is stored, thereby completing the metering rice bottle of the present invention.

In the above embodiment, the weighing machine was mounted in the rice bin main body with the rice bin main body placed upside down. However, the present invention is not limited to this.

[0016]

As described above, the measuring rice bin of the present invention can be assembled by directly engaging and supporting the measuring device and the front panel with the main body of the rice bin without using any tools or screws. Also, since the measuring device is made of synthetic resin, the operation is very light and the work is very easy. In addition, all the components that make up the weighing device, such as weighing devices and weighing levers, are provided in a synthetic resin case in which locking pieces and bullets for attaching the weighing device to the rice bin body are integrally formed. Therefore, the number of parts can be reduced, and the cost can be reduced.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a conventional measuring rice bin measuring device portion.

FIG. 2 is a perspective view of the measuring device of the measuring rice bin of the present invention.

FIG. 3 is a view of a state where the weighing device is attached to the rice bin main body of the present invention as viewed from a bottom surface side.

FIG. 4 is a view showing a state in which a weighing machine is attached to the rice bin main body of the present invention as viewed from the bottom side.

FIG. 5 is an explanatory view of attaching a front panel to a rice bin main body A as viewed from the rear side of the measuring rice bin of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rice storage room 2,16 Bottom plate 3,18 Rice outlet 4,11 Meter 5,12 Case 5a, 12a Rice inlet 5b Folding part 5c Rice inlet rear edge 6,13 Weighing meter 7,14 Measuring lever 8 Hardware 9, 17 Supporting member 10 Screw 12b Elastic piece 12c Locking claw 12d Convex part 13a Push-up rib 14a Pressing part 15 Shaft pin 19 Depression 20 Notch 21 Fitting hole 22 Projection 23 Front panel 24 First engaging projection 25 Second engagement projection 25a Convex part 26, 27, 27a Engagement hole 28 Folded portion 29 Rice receptor A Rice bin main body

Claims (1)

[Claims] 1. A weighing rice bin in which a weighing machine having a measuring chamber having a predetermined volume formed by a case and a weighing scale that opens and closes in conjunction with the rotation of a weighing lever is connected below the rice storage chamber, The rice introduction opening is provided with a locking claw inserted from below the rice outlet of the rice storage room along the rear slope of the bottom plate of the rice storage room. A metering rice bin, which is pushed up to a storage chamber side and engages a piece provided on both sides of a front end of a lower portion of the case with a cutout portion of a support member extending in a horizontal direction below a front surface of the rice bin main body.