CN212993416U - Adjustable distance type seedling raising bedstead - Google Patents

Abstract

The utility model provides a but variable distance formula nursery bed frame, include: the seedbed frame assembly comprises a seedbed frame assembly, a plurality of seedbed stand columns and a seedbed frame connected with the seedbed stand columns; the lamp holder assembly comprises a plurality of lamp holder upright columns and a plurality of lamp holders connected with the lamp holder upright columns, and the lamp holder upright columns are slidably arranged adjacent to the seedbed upright columns; the first limiting piece and the second limiting piece are arranged on the seedbed stand column between any two adjacent seedbed frames; the limiting part is arranged on the lamp holder component; the first limiting part and the limiting part are matched to limit the highest position of the lamp holder assembly when the lamp holder assembly moves along the longitudinal direction; the second limiting part is matched with the limiting part to limit the lowest position of the lamp holder assembly when the lamp holder assembly moves along the longitudinal direction. According to the utility model provides a but adjustable distance formula nursery bed frame can adjust lighting fixture subassembly and seedbed frame subassembly's relative position to change the distance between seedling and the plant lamp, with adjustment illumination intensity, and simple structure, convenient operation, reduction in production cost.

Description

Adjustable distance type seedling raising bedstead

Technical Field

The utility model belongs to the technical field of agricultural equipment, in particular to adjustable apart from formula nursery bed frame.

Background

For the areas with insufficient illumination or the areas with cold climate, the seedling is grown in a totally-enclosed factory building by using a fully artificial light LED lamp, which becomes the development trend of agricultural production, and the illumination intensity required by different plants is different; generally, an optimal distance is reserved between the LED plant lamp and the irradiated plants, on one hand, sufficient illumination can be provided for the plants, on the other hand, the illumination intensity of the LED plant lamp is matched with the irradiated plants, but the distance between the LED plant lamp and the irradiated plants is relatively short, and the moving in or out of seedlings is not facilitated; in the prior art, the distance between a lamp holder for placing an LED plant lamp and a seedling raising tray for placing seedlings is adjusted, so that the illumination intensity is changed, the seedlings are convenient to move in or out, but most of the seedlings have complex structures and high production cost; for example: in the document with the bulletin number of CN204466523U, adjust the distance between LED lamp and the plant through set up the lifting screw between crane and illumination banks, on the one hand, the lifting screw has taken the space of more direction of height, is unfavorable for setting up multilayer seedling bed frame, on the other hand needs the more time of spending when adjusting illumination banks and crane, increases the cost of labor.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

In view of this, the utility model aims at providing an adjustable apart from formula nursery bed frame.

The utility model provides a but variable distance formula nursery bed frame, include: the seedling bed frame assembly comprises a plurality of seedling bed stand columns which are vertically arranged, and a plurality of seedling bed frames which are horizontally arranged, are sequentially arranged along the vertical direction, are connected with the seedling bed stand columns and are used for placing seedlings to be irradiated; the lamp holder assembly comprises a plurality of lamp holder upright columns vertically arranged adjacent to the seedbed upright columns and a plurality of lamp holders which are horizontally arranged above each seedbed frame correspondingly, connected with the lamp holder upright columns and provided with plant irradiation lamps, and the lamp holder upright columns are slidably arranged adjacent to the seedbed upright columns; the first limiting piece and the second limiting piece are arranged on the seedbed stand column between any two adjacent seedbed frames, and the first limiting piece is positioned above the second limiting piece; the limiting part is arranged on the lamp holder component and extends to the side surface of the seedbed stand column from the lamp holder component to a position between the first limiting part and the second limiting part; the first limiting part and the limiting part are matched to limit the highest position of the lamp holder assembly when the lamp holder assembly moves along the longitudinal direction; the second limiting part is matched with the limiting part to limit the lowest position of the lamp holder assembly when the lamp holder assembly moves along the longitudinal direction.

According to the utility model provides an adjustable apart from formula nursery bed frame, a plurality of seedbed stands that vertically set up can provide the support for the nursery bed frame subassembly, the nursery bed frame links to each other with every seedbed stand, fix nursery bed frame to the seedbed stand, so that cultivate the plant on the nursery bed frame, the lighting fixture sets up with the nursery bed frame is parallel to, in order to set up the plant lamp on the lighting fixture and provide the illumination for the plant on the nursery bed frame, wherein, the lighting fixture stand slidable is installed adjacent to the nursery bed stand, make the lighting fixture slide relative to the nursery bed frame, in order to adjust the relative distance between lighting fixture and the nursery bed frame, change illumination intensity; be equipped with first locating part and second locating part on the seedbed stand between arbitrary two adjacent seedbed framves, the top of lighting fixture is located to first locating part, when lighting fixture rebound, first locating part and spacing cooperation, the highest position of restriction lighting fixture along longitudinal movement, in order to do benefit to advancing or moving out of seedling, specifically, when needing to move in or moving out the seedling, with lighting fixture rebound, increase the distance between lighting fixture and the seedbed frame, and fix the lighting fixture on the position corresponding with first locating part, thereby when having increased the transport seedling, the space between lighting fixture and the seedbed frame, and the structure of mutually supporting of first locating part and spacing, make lighting fixture subassembly and seedbed frame subassembly simple structure, the production degree of difficulty and the manufacturing cost of seedbed frame equipment have been reduced. The second locating part can cooperate with spacing portion to limit the movement of lighting fixture for the seedling bed frame, makes the displacement range of lighting fixture be restricted between first spacing subassembly and second locating part, contacts with seedling bed frame when avoiding lighting fixture lapse, and further, the distance between second locating part and the seedling bed frame is according to the high decision of plant, avoids locating the plant lamp on the lighting fixture and contacts with the plant.

Optionally, the limiting part is arranged on the lamp holder upright post.

Optionally, the limiting part extends towards the lamp holder to be connected with the lamp holder.

Further, the lamp holder upright post is slidably mounted on the seedbed upright post through a convex-concave matching mechanism.

Further, adjustable apart from formula nursery bed frame still includes: one end of the hook is connected with the first limiting piece; wherein, be equipped with the through-hole on the spacing portion, the couple passes the through-hole to the relative movement of restriction lighting fixture subassembly and seedbed frame subassembly.

Optionally, the first limiting part and/or the second limiting part and the limiting part are provided with corresponding through holes, and the first limiting part and the limiting part are fixedly connected by sequentially passing through the through holes on the first limiting part and the limiting part through the connecting piece.

Further, adjustable apart from formula nursery bed frame still includes: a plurality of threaded holes are sequentially formed in the seedbed upright post between any two adjacent seedbed frames; the first limiting part and the second limiting part are bolts matched with the threaded holes.

Further, the lighting fixture specifically includes: the plant lamp bracket is detachably connected with the lamp bracket upright post; the plant lamp placing frame is placed on the plant lamp support and used for configuring the plant irradiation lamp.

Optionally, the adjustable seedling bed frame further comprises: the plurality of light holes are arranged on the seedbed stand column between the first limiting piece and the second limiting piece; the limiting portion is provided with a through hole corresponding to the unthreaded hole, and the through hole penetrating the limiting portion through the positioning pin stretches into any unthreaded hole so as to limit the relative movement of the lamp bracket assembly and the seedbed frame assembly.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is:

can the relative distance between quick adjustment lighting fixture and the seedling bed frame, the moving in or the moving out of the seedling of being convenient for adjusts illumination intensity, the manual operation of being convenient for, and simple structure, equipment manufacturing cost is lower.

Drawings

Fig. 1 is a schematic structural view showing an adjustable seedling bed frame according to an embodiment of the present invention;

FIG. 2 shows a partially enlarged schematic view of portion A of FIG. 1;

fig. 3 shows a schematic structural view of the first limiting member, the second limiting member, the limiting portion, the lamp holder assembly, and the lamp holder column according to an embodiment of the present invention;

fig. 4 is a schematic structural view illustrating a first stopper, a second stopper, a stopper portion, a lamp holder assembly, and a lamp holder column according to another embodiment of the present invention;

fig. 5 shows a schematic structural view of a lamp stand column and a seedbed column according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a lamp stand column and a seedbed column according to another embodiment of the present invention;

fig. 7 is a schematic structural view of a first stopper, a lamp holder assembly, and a lamp holder post according to another embodiment of the present invention;

fig. 8 is a schematic structural view of a first limiting member, a limiting portion, a lamp holder assembly, and a lamp holder column according to another embodiment of the present invention;

fig. 9 is a schematic structural view of a first stopper, a second stopper, a stopper portion, a lamp holder assembly, and a lamp holder column according to another embodiment of the present invention;

fig. 10 shows a schematic structural view of a lamp holder according to another embodiment of the present invention.

The symbols in the figures are as follows:

1 seedbed frame component, 12 seedbed stands, 122 screw holes, 124 unthreaded holes, 126 locating pins, 14 seedbed frames, 16 spacing portions, 2 lamp holder components, 22 lamp holder stands, 24 lamp holders, 242 plant lamp supports, 244 plant lamp racks, 3 first locating parts, 32 couples, 34 connecting pieces, 4 second locating parts, 128 chutes, 222 slide rails.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 and 2, the present invention provides a seedling bed frame 14 with adjustable distance, which comprises: the seedling bed frame component 1 comprises a plurality of vertically arranged seedling bed upright columns 12, and a plurality of horizontally arranged seedling bed frames 14 which are sequentially arranged along the vertical direction, connected with the seedling bed upright columns 12 and used for placing seedlings to be irradiated, wherein the seedling bed frame component 1 comprises a lamp holder component 2, a first limiting part 3, a second limiting part 4 and a limiting part 16; the lamp holder assembly 2 includes a plurality of lamp holder uprights 22 vertically disposed adjacent to the seedbed uprights 12, and a plurality of lamp holders 24 disposed above each of the seedbed stands 14 in a horizontally corresponding manner, connected to the lamp holder uprights 22, and configured with plant irradiation lamps, the lamp holder uprights 22 being slidably mounted adjacent to the seedbed uprights 12; a plurality of seedbed stands 12 arranged in a longitudinal direction can support the seedbed stand assembly 1, a seedbed frame 14 is connected with each seedbed stand 12, the seedbed frame 14 is fixed on the seedbed stand 12 so as to cultivate plants on the seedbed frame 14, a lamp holder 24 is arranged in parallel with the seedbed frame 14 so as to set a plant lamp on the lamp holder 24 to provide illumination for the plants on the seedbed frame 14, wherein, the lamp holder stand 22 is slidably arranged adjacent to the seedbed stand 12, so that the lamp holder 24 can slide relative to the seedbed frame 14 to adjust the relative distance between the lamp holder 24 and the seedbed frame 14 and change the illumination intensity; the seedbed stand column 12 between any two adjacent seedbed frames 14 is provided with a first limiting part 3 and a second limiting part 4, the first limiting part 3 is arranged above the lamp holder 24, when the lamp holder 24 moves upwards, the first limiting part 3 is matched with the limiting part 16 to limit the highest position of the lamp holder 24 along the longitudinal movement, so that the seedling can be conveniently moved in or out, specifically, when the seedling needs to be moved in or out, the lamp holder 24 moves upwards to increase the distance between the lamp holder 24 and the seedbed frame 14, and the lamp holder 24 is fixed on the position corresponding to the first limiting part 3, so that the space between the lamp holder 24 and the seedbed frame 14 is increased when the seedling is carried, and the structure that the first limiting part 3 and the limiting part 16 are matched mutually enables the structure of the lamp holder assembly 2 and the seedbed frame assembly 1 to be simple, and the production difficulty and the production cost of equipment of the seedbed frame 14 are reduced. The second limiting member 4 can cooperate with the limiting portion 16 to limit the movement of the lamp holder 24 relative to the seedling bed frame 14, so that the movement range of the lamp holder 24 is limited between the first limiting member and the second limiting member 4, and the lamp holder 24 is prevented from contacting the seedling bed frame 14 when moving downwards, further, the distance between the second limiting member 4 and the seedling bed frame 14 is determined according to the height of the plant, and the plant lamp arranged on the lamp holder 24 is prevented from contacting the plant.

As shown in fig. 2, further, the limiting part 16 is a component that is disposed on the lamp holder assembly 2 and extends toward the side surface of the seedbed stand 12, and the limiting part 16 is located between the first limiting member 3 and the second limiting member 4; therefore, the first limiting part 3 and the second limiting part 4 are respectively matched with the limiting part 16, so that the limiting part 16 can only move between the first limiting part 3 and the second limiting part 4, specifically, the height of the limiting part 16 is the same as that of one lamp holder 24 of the lamp holder assembly 2, and further, the lamp holder 24 with the same height as that of the limiting part 16 is limited to move between the first limiting part 3 and the second limiting part 4, so that the collision between the lamp holder 24 and two adjacent seedling bed frames 14 is avoided, on one hand, the damage of a plant lamp arranged on the lamp holder 24 is prevented, and on the other hand, the seedling is prevented from being hit when the lamp holder 24 moves downwards.

In another specific embodiment, as shown in fig. 3, the position-limiting portion 16 extends toward the lamp holder 24 to connect with the lamp holder 24, and when the position-limiting portion 16 contacts with the first position-limiting member 3 or the second position-limiting member 4, the position-limiting portion 16 is limited from moving further.

As shown in fig. 4, in another specific embodiment, the position-limiting portion 16 is disposed on the lamp holder column 22, and the position-limiting portion 16 extends from the lamp holder column 22 to the side surface of the seedbed column 12, so as to limit the continuous movement of the position-limiting portion 16 when the position-limiting portion 16 contacts with the first position-limiting member 3 or the second position-limiting member 4.

As shown in fig. 5 and 6, the lamp holder column 22 is slidably mounted on the bed column 12 by a male-female fitting mechanism, and specifically, the bed column 12 is provided with a lifting slide extending in the vertical direction, so that the lamp holder column 22 can slide on the lifting slide. In detail, as shown in fig. 5, an inward recessed sliding groove 128 is provided on the seedbed stand 12, a sliding rail 222 which protrudes outward and extends into the sliding groove 128 is provided on the lamp holder stand 22, and the lamp holder stand 22 can slide on the lifting slide of the seedbed stand 12 by the sliding fit of the sliding rail 222 and the sliding groove 128; alternatively, as shown in fig. 6, the lamp holder column 22 is provided with an inward recessed slide groove 128, the seedbed is provided with a slide rail 222 protruding outward and extending into the slide groove 128, and the lamp holder column 22 can slide on the lifting slide rail of the seedbed column 12 by the sliding fit of the slide rail 222 and the slide groove 128.

As shown in fig. 7, the adjustable seedling bed frame 14 further includes a hook 32, one end of the hook 32 is connected to the first limiting member 3, a through hole is formed in the limiting portion 16, and when the limiting portion 16 moves to the position of the first limiting member 3, the hook 32 can pass through the through hole in the limiting portion 16, so that the limiting portion 16 and the first limiting member 3 are fixed to limit the relative movement between the lamp holder assembly 2 and the seedling bed frame assembly 1.

Further, as shown in fig. 8, in order to facilitate hanging the hook 32 on the stopper portion 16, the stopper portion 16 is provided as a ring-shaped member, and the outer wall of the stopper portion 16 is welded to the lamp holder 24.

As shown in fig. 4, through holes are correspondingly formed in the first limiting member 3 and/or the second limiting member 4 and the limiting portion 16, and the first limiting member 3 and the limiting portion 16 are fixedly connected by sequentially passing through the through holes of the first limiting member 3 and the limiting portion 16 through the connecting member 34, or the second limiting member 4 and the limiting portion 16 are fixedly connected by sequentially passing through the through holes of the second limiting member 4 and the limiting portion 16 through the connecting member 34; specifically, the connecting member 34 may be a mating bolt and nut, and may also be a locating pin 126.

As shown in fig. 9, further, a plurality of threaded holes 122 are provided on the seedbed stand column 12 between any two adjacent seedbed frames 14, the plurality of threaded holes 122 are arranged in sequence along the vertical direction, each threaded hole 122 can correspond to the irradiation intensity of a plant lamp, specifically, the first limiting member 3 and the second limiting member 4 are both bolts capable of cooperating with the threaded holes 122, by cooperating the first limiting member 3 or the second limiting member 4 with any one of the threaded holes 122, the first limiting member 3 and the second limiting member 4 are detachably connected with the lamp holder stand column 22, and by changing the cooperation of the first limiting member 3 or the second limiting member 4 with different threaded holes 122, the position of the first limiting member 3 or the second limiting member 4 on the lamp holder stand column 22 is changed, and further the height of the lamp holder 24 when the lamp holder 24 is fixedly connected with the first limiting member 3 or the second limiting member 4 is changed, on the one hand, change the irradiation distance of the plant lamp on lighting fixture 24, change illumination intensity, on the other hand, along with the seedling is grown, the height of seedling changes, through making the cooperation of second locating part 4 and different screw hole 122 to avoid the seedling to touch lighting fixture 24 all the time.

As shown in fig. 10, further, the lamp holder 24 specifically includes a plant lamp support 242 and a plant lamp placing rack 244, the plant lamp holder 24 is detachably connected to the lamp holder vertical column 22 so as to assemble the lamp holder assembly 2 to the seedling bed frame assembly 1, the plant lamp placing rack 244 is used for hanging plant lamps, after the plant lamp support 242 is assembled on the lamp holder vertical column 22, the plant lamp placing rack 244 is hung on the plant lamp support 242, and after the plant lamps are hung, illumination is provided for seedlings arranged on the seedling bed frame 14.

As shown in fig. 3, optionally, a plurality of light holes 124 are provided on the seedbed column 12 between the first limiting member 3 and the second limiting member 4, a through hole is provided on the limiting portion 16, and a positioning pin 126 penetrates through the through hole of the limiting portion 16 and extends into any one of the light holes 124 to limit the relative movement between the lamp holder assembly 2 and the seedbed frame assembly 1, specifically, the plurality of light holes 124 are sequentially arranged along the vertical direction, and as the positioning pin 126 and the limiting portion 16 are matched with different light holes 124, the lamp holders 24 are at different heights, that is, the distance between the lamp holder 24 and the seedbed frame 14 corresponding to each light hole 124 is different, so that each light hole 124 can correspond to one plant lamp irradiation intensity, and thus the limiting portion 16 can be fixed to different light holes 124 according to the requirements of different illumination intensities of different crops.

As shown in fig. 1 and 2, in one embodiment, there is provided an adjustable-pitch nursery bed frame, comprising: multilayer disjunctor LED plant lighting fixture (being lighting fixture subassembly 2), educate seedling bed frame (being seedbed frame subassembly 1), locating pin 126, wherein, educate seedling bed frame and include a plurality of seedbed stands 12 of vertical setting, multilayer disjunctor LED plant lighting fixture can move on seedbed stand 12, it has the first round hole of co-altitude not to bore on seedbed stand 12 (being unthreaded hole 124), every first round hole mark this hole apart from and cultivate the illumination intensity between the seedling and the variety that can cultivate the seedling, be equipped with the second round hole that corresponds with the first round hole on seedbed stand 12 on multilayer disjunctor LED plant lighting fixture (being the through-hole on spacing portion 16), when needs are cultivated certain seedling, the user as long as with the LED plant lamp pass through the round hole and the bolt fix in this position can.

As shown in fig. 1, further, the adjustable seedling bed frame further comprises: ascending limit bolt (i.e. first limit part 3) and descending limit bolt (i.e. second limit part 4), wherein, arbitrary two adjacent nursery bed frames (i.e. nursery bed frame 14) are located to a plurality of first round holes between, ascending limit bolt and descending limit bolt between two nursery bed frames adjacent to a plurality of first round holes, and ascending limit bolt is located the top of a plurality of first round holes, descending limit bolt is located the below of a plurality of first round holes.

Specifically, the effect of descending limiting bolt is to prevent multilayer disjunctor LED plant lighting fixture from hitting seedling bed frame. The position of the descending limit bolt is determined according to different plant species, and the purpose of the descending limit bolt is to prevent the seedling from being damaged due to the collision of the height of the lamp falling by accident.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims (9)

1. The utility model provides a but variable pitch formula nursery bed frame which characterized in that includes:

the seedling bed frame assembly comprises a plurality of seedling bed stand columns which are vertically arranged, and a plurality of seedling bed frames which are horizontally arranged, are sequentially arranged along the vertical direction, are connected with the seedling bed stand columns and are used for placing seedlings to be irradiated;

a lamp holder assembly including a plurality of lamp holder uprights vertically disposed adjacent to the seedbed uprights, and a plurality of lamp holders disposed above each of the seedbed stands in horizontally corresponding relation, connected to the lamp holder uprights, and configured with plant lamps, the lamp holder uprights being slidably mounted adjacent to the seedbed uprights;

the first limiting piece and the second limiting piece are arranged on the seedbed stand column between any two adjacent seedbed frames, and the first limiting piece is positioned above the second limiting piece;

the limiting part is arranged on the lamp holder component and extends to the side surface of the seedbed stand column from the lamp holder component to a position between the first limiting part and the second limiting part; the first limiting part and the limiting part are matched to limit the highest position of the lamp holder assembly when the lamp holder assembly moves along the longitudinal direction; the second limiting part is matched with the limiting part to limit the lowest position of the lamp holder assembly when the lamp holder assembly moves along the longitudinal direction.

2. The adjustable nursery bed frame according to claim 1, wherein,

the limiting part is arranged on the lamp holder upright post.

3. The adjustable nursery bed frame according to claim 2, wherein the adjustable nursery bed frame is a frame for holding a nursery bed,

the limiting part extends towards the lamp holder and is connected with the lamp holder.

4. The adjustable nursery bed frame according to claim 1, wherein,

the lamp holder upright post is slidably arranged on the seedbed upright post through a convex-concave matching mechanism.

5. The adjustable nursery bed frame according to claim 3, further comprising:

one end of the hook is connected with the first limiting piece;

wherein, be equipped with the through-hole in the spacing portion, the couple passes the through-hole to the restriction lighting fixture subassembly with the relative movement of seedbed frame subassembly.

6. The adjustable nursery bed frame according to claim 1, wherein,

the first limiting part and/or the second limiting part and the limiting part are provided with corresponding through holes, and the first limiting part and the limiting part are fixedly connected through sequentially penetrating through the through holes on the first limiting part and the limiting part through connecting pieces.

7. The adjustable nursery bed frame according to claim 1, further comprising:

a plurality of threaded holes which are sequentially arranged on the seedbed upright post between any two adjacent seedbed frames;

the first limiting part and the second limiting part are bolts matched with the threaded holes.

8. The adjustable distance nursery bed frame as claimed in claim 1, wherein the lamp holder comprises:

the plant lamp bracket is detachably connected with the lamp bracket upright post;

the plant lamp placing frame is placed on the plant lamp support and used for configuring the plant irradiation lamp.

9. The adjustable nursery bed frame according to claim 1, further comprising:

a plurality of light holes arranged on the seedbed upright column between the first limiting piece and the second limiting piece;

the limiting part is provided with a through hole, the through hole penetrating through the positioning pin penetrates through the limiting part and extends into any one of the light holes so as to limit the relative movement of the lamp bracket assembly and the seedbed frame assembly.

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