JP7072434B2 - Plant cultivation rack - Google Patents

Description

The present invention relates to a plant cultivation rack used in a plant factory or the like.

In recent years, plant factories that grow plants indoors have become widespread. Plant cultivation racks used in plant factories need to adjust the height of the luminaire according to the growth stage of the plant. The conventional plant cultivation rack shown in Patent Document 1 is provided with a plurality of receiving rails on the upper and lower sides, and the receiving rails slidably support the lighting mounting frame.

Japanese Unexamined Patent Publication No. 2015-6165

However, in such a plant cultivation rack, when adjusting the height of the luminaire, it is necessary to completely remove the luminaire mounting frame from the shelf and then mount it on the receiving rails of different heights, which is a heavy work load. In view of the above circumstances, it is an object of the present invention to provide a plant cultivation rack in which the height of the lighting mounting frame can be easily adjusted.

The plant cultivation rack of the present invention is provided with a shelf and a lighting mounting frame, and lighting fixtures are provided at the front and rear below the shelf, and the lighting fixture has a plurality of stages of lighting mounting frame mounting portions in the vertical direction . Each lighting mounting frame mounting part has an urging member to prevent the lighting mounting frame from falling off, and the lighting mounting frame is attached to one of the multiple stages of the front and rear lighting mounting tools. It is characterized by being erected between the front and rear lighting fixtures .

According to the present invention, a plurality of lighting mounting frame mounting portions are provided on the front and back of the shelf at the top and bottom to have an urging member for preventing the lighting mounting frame from falling off, and the lighting mounting frame is one of the lighting mounting portions. Since it is erected on the frame mounting portion, the height of the lighting mounting frame can be easily adjusted by one person by using the force of the urging member of the lighting mounting frame mounting portion.

It is a side view of a plant cultivation rack. It is a front view of a plant cultivation rack. (A) is a plan view of a plant cultivation rack, and (b) is a partially enlarged view of BC. (A) is an enlarged view of A part of FIG. 1, (b) is a side view of a lighting fixture, and (c) is a sectional view taken along line DD of the lighting fixture. (A) and (b) are side views explaining the positioning part of a lighting fixture. (A) is a perspective view for explaining the installation of the lighting fixture, and (b) is an enlarged view of a main part. The lighting mounting frame is shown, (a) is a perspective view, (b) is a front view, and (c) is a side view. (A) to (g) are explanatory views which show the procedure of the height adjustment work of a lighting mounting frame.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. This plant cultivation rack is a plant cultivation rack whose left-right dimension is longer than the front-back dimension, and as shown in FIGS. 1 to 3, a lighting fixture 3 is provided on a rack composed of a pillar material 1 and a shelf 2. The lighting mounting frame 4 is attached. The height of the lighting mounting frame 4 can be adjusted by installing the lighting mounting frame 4 on any of a plurality of lighting mounting frame mounting portions 33 provided above and below the lighting fixture 3.

The pillar material 1 has a substantially rectangular cross section, and at least two pairs of pillars arranged at intervals in the front-rear direction are arranged in the left-right direction. In this embodiment, three pairs, that is, six pillars 1, are arranged on the left and right.

The shelf 2 is composed of a cross member 2a extending to the left and right and a crosspiece 2b extending back and forth, and is connected to the pillar member 1 at a connecting portion between the cross member 2a and the crosspiece 2b. As shown in FIGS. 1, 4 and 5, the cross member 2a has a substantially U-shaped cross section and is arranged in the front-rear direction with the openings facing each other. The cross section 2b has a substantially rectangular cross section, and the end portions are fitted into the openings of the cross member 2a and arranged on the left and right sides. A plurality of shelves 2 configured in this way are provided vertically at intervals from the upper end portion of the pillar material 1. In the present embodiment, a total of five shelves 2 including the uppermost shelf are connected to the pillar material 1. A cultivation tray 5 is placed on the upper surface of each shelf 2 except the top shelf 2, and plants are cultivated on the cultivation tray 5. Further, a lighting fixture 3 is provided below the shelves 2 in each stage except the shelf 2 in the lowermost stage. For the shelves 2 in the uppermost and lowermost stages, a cross member 2a and a crosspiece 2b, which are thicker than the shelves 2 in the other stages, are used.

As shown in FIGS. 1 to 3 and 6, the lighting fixture 3 is fixed to each cross member 2a of the shelf 2 except for the lowermost stage. A pair of front and rear lighting fixtures 3, 3 are arranged so that the lighting mounting frame mounting portions 33 face each other toward the inside of the shelf 2, and two pairs of lighting fixtures 3 are arranged between the left and right pillar members 1, 1. A total of four lighting fixtures 3 support one lighting mounting frame 4. The lighting fixture 3 includes a base portion 31, a cross member fixing portion 32, a plurality of lighting mounting frame mounting portions 33, and an urging member 34. As shown in FIGS. 4 to 6, the upper portion of the vertically elongated rectangular plate-shaped base portion 31 is a mounting piece 31a for mounting on the finding surface of the cross member 2a. From below the mounting piece 31a, a cross member fixing portion 32 extends inside the shelf 2. The cross member fixing portion 32 is provided with two positioning portions 32a and 32b according to the dimensions of the cross member 2a. As shown in FIG. 5A, the positioning portion 32a provided in accordance with the large-sized cross member 2a is located at the end of the cross member fixing portion 32 and stands upward from the end. As shown in FIG. 5B, the positioning portion 32b provided in accordance with the cross member 2a having a small dimension is located substantially in the middle portion in the front-rear direction of the cross member fixing portion 32, and the cross member is raised one step toward the end side. It is a stepped portion formed by bending the fixed portion 32. Below the cross member fixing portion 32, a plurality of lighting mounting frame mounting portions 33 extending from the base portion 31 to the inside of the shelf 2 are formed vertically. An engaging portion 33a is formed at the end of the lighting mounting frame mounting portion 33. The engaging portion 33a is erected upward from the end portion of the lighting mounting frame mounting portion 33, and a claw portion that bulges toward the base 31 side is provided at the tip end. Further, on the upper surface of the lighting mounting frame mounting portion 33, an urging member mounting wall 35 that stands at a distance from the base portion 31 is formed, and is between the urging member mounting wall 35 and the engaging portion 33a. The urging member 34 is arranged.

The urging member 34 is attached to each lighting mounting frame mounting portion 33 of the lighting fixture 3 to prevent the lighting mounting frame 4 from falling off, and a leaf spring is adopted in this embodiment. The urging member 34 has a substantially S-shape as shown in FIG. 4C when viewed in a plan view, and the regulation piece 34a, the mounting portion 34b, and the deforming portion 34c are formed. As shown in FIG. 3B, the urging member 34 is arranged so that the regulation piece 34a faces the left and right end portions of the lighting mounting frame 4, and the deformed portion 34c faces the left and right center side of the lighting mounting frame 4. The restricting piece 34a extends from the mounting portion 34b toward the inside of the shelf 2 and regulates the position of the lighting mounting frame 4 in the left-right direction. A mounting portion 34b is screwed along the urging member mounting wall 35 on the left and right center sides of the lighting mounting frame 4 from the regulation piece 34a. On the left and right center sides of the lighting mounting frame 4 from the mounting portion 34b, a deformed portion 34c bent in a chevron shape toward the inside of the shelf 2 is formed. When the engaged portion 42a of the lighting mounting frame 4 comes into contact with the deformed portion 34c, the deformed portion 34c deforms to provide an urging force and presses the engaged portion 42a toward the inside of the shelf 2.

As shown in FIG. 7, the lighting mounting frame 4 is framed by a vertical frame member 41 extending in the front-rear direction and a horizontal frame member 42 extending left and right, and a crosspiece 43 extending left and right between the horizontal frame members 42 and 42. Is erected on the vertical frame members 41 and 41, and the luminaire 6 is fixed to the horizontal frame members 42 and 42 and the crosspiece 43. The vertical frame member 41 has a substantially U-shaped cross section, and is arranged on the left and right with the openings facing each other. The horizontal frame member 42 and the cross-section member 43 are hollow members having a rectangular cross section, and the ends thereof are fitted into the openings of the vertical frame member 41, and the horizontal frame members 42 and 42 are arranged in the front-rear direction. The upper surface of the horizontal frame member 42 extends outward in the front-rear direction, and an engaged portion 42a having its end hung down is formed. The lighting mounting frame 4 engages the engaged portion 42a with the engaging portion 33a, and the engaged portion 42a is pressed against the urging member 34 to cause a positional shift in the front-rear direction and the lighting mounting frame. It is prevented from falling off from the mounting portion 33. Further, a plurality of lighting fixtures 6 are fixed to the left and right on the lower surface of the horizontal frame member 42. As the illuminating tool 6, for example, a straight tubular LED or the like is used, and is fixed to the horizontal frame member 42 and the crosspiece 43 with the longitudinal direction as the front-rear direction.

Next, a procedure for adjusting the height of the lighting mounting frame 4 will be described with reference to FIG. In FIG. 8A, the lighting mounting frame 4 is erected on the lighting mounting frame mounting portion 33 at the lowermost stage of the lighting fixture 3, as in the enlarged view shown in FIG. 4A. Specifically, the engaged portion 42a provided on the horizontal frame member 42 of the lighting mounting frame 4 is engaged from above with the engaging portion 33a provided on the lighting mounting frame mounting portion 33 of the lighting fixture 3, and the lighting is mounted. The urging member 34 fixed to the frame mounting portion 33 presses the engaged portion 42a inward of the shelf 2 by the urging force.
When adjusting the height from the state of FIG. 8A, the worker stands on the front side of the plant cultivation rack, grips the horizontal frame material 42 on the front side of the lighting mounting frame 4, and slightly upwards the horizontal frame material 42 on the front side. The engaged portion 42a is removed from the engaging portion 33a of the lighting mounting frame mounting portion 33, and the lighting mounting frame 4 is pushed to the rear side against the urging member 34 as shown by the arrow (1). Next, with the rear horizontal frame member 42 supported by the lighting mounting frame mounting portion 33, the rear horizontal frame member 42 is illuminated with different heights as shown by the arrow (2) in FIG. 8 (b). It is moved to the mounting frame mounting portion 33. Then, as shown by the arrow (3) in FIG. 8 (c), the lighting mounting frame 4 is pulled to the front side by using the force of the urging member 34, and the engaging portion 33a of the horizontal frame member 42 on the front side is mounted on the lighting mounting frame. It is moved to the back of the portion 33, and the engaged portion 42a of the lighting mounting frame mounting portion 33 is engaged with the engaging portion 33a of the horizontal frame member 42. Next, the worker turns to the rear side of the plant cultivation rack, grips the horizontal frame material 42 on the rear side of the lighting mounting frame 4, and floats the horizontal frame material 42 on the rear side slightly upward to form the lighting mounting frame mounting portion 33. The engaged portion 42a is removed from the engaging portion 33a, and the lighting mounting frame 4 is pushed forward against the urging member 34 as shown by the arrow (4) in FIG. 8 (d). Then, with the horizontal frame member 42 on the front side supported by the lighting mounting frame mounting portion 33, the horizontal frame material 42 on the front side is mounted with lighting at the same height as the front side as shown by the arrow (5) in FIG. 8 (e). When the lighting mounting frame 4 is moved to the frame mounting portion 33 and pulled backward by using the force of the urging member 34 as shown by the arrow (6) in FIG. 8 (f), the lighting mounting frame mounting portion 33 is covered. The engaging portion 42a is engaged with the engaging portion 33a of the horizontal frame member 42, and the movement of the lighting mounting frame 4 to the lighting mounting frame mounting portions 33 at different heights is completed as shown in FIG. 8 (g).

According to the plant cultivation rack configured in this way, a plurality of lighting mounting frame mounting portions 33 are provided above and below the front and rear of the shelf 2, and have an urging member 34 for preventing the lighting mounting frame 4 from falling off. Since the mounting frame 4 is erected on any of the lighting mounting frame mounting portions 33, the force of the urging member 34 of the lighting mounting frame mounting portion 33 is used to reach the lighting mounting frame mounting portions 33 at different heights. The lighting mounting frame 4 can be moved by Kendon. Since it is possible to move the other end while the front and rear ends of the lighting mounting frame 4 are left in the lighting mounting frame mounting portion 33, even one person can easily adjust the height of the lighting mounting frame 4. can do.
Further, since the lighting fixture 3 is provided with a plurality of positioning portions 32a and 32b according to the dimensions of the cross member 2a, it is easy to mount the cross members 2a having different dimensions.
Further, the lighting mounting frame mounting portion 33 is provided with an engaging portion 33a, and the engaging portion 33a engages with the engaged portion 42a provided in the lighting mounting frame 4 from above. During the height adjustment work, one of the front and rear engaged portions 42a of the lighting mounting frame 4 is engaged with the engaging portion 33a, and the urging member 34 presses the engaged portion 42a of the lighting mounting frame 4. , It is possible to prevent the lighting mounting frame 4 from falling off.
The urging member 34 fixed to the lighting mounting frame mounting portion 33 is provided with a restricting piece 34a on the left and right end portions of the lighting mounting frame 4. The control piece 34a prevents the lighting mounting frame 4 from falling off without being displaced to the left or right.

The present invention is not limited to the above embodiments. For example, the urging member does not necessarily have to be a leaf spring, and may have the same effect. Further, the height adjustment procedure is not limited to the above. The restricting material for preventing the positional deviation of the lighting mounting frame is not limited to the urging member, and may be provided on other members.

1 Pillar 2 Shelf 3 Lighting fixture 32a Positioning part 32b Positioning part 33 Lighting mounting frame mounting part 33a Engaging part 34 Bounce member 4 Lighting mounting frame 42a Engaged part

Claims (1)

A shelf and a lighting mounting frame are provided, and lighting fixtures are provided at the front and rear below the shelf. The lighting fixture has a plurality of stages of lighting mounting frame mounting portions in the vertical direction , and each lighting mounting frame mounting portion. It has an urging member to prevent the lighting mounting frame from falling off, and the lighting mounting frame is attached to one of the multiple stages of the front and rear lighting mounting fixtures and between the front and rear lighting mounting fixtures . A plant cultivation rack characterized by being erected.

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