JPH0619435U - Strut device for plant cultivation - Google Patents

Abstract

(57) [Summary] [Purpose] The pillars can be used not only as a support for plants but also as a framework for forming coverings for the purpose of forming a simple greenhouse, windproof, and birdproof. [Structure] The main pillar 2 and three or more branch pillars 3 standing upright around the trunk pillar 2. The upper portion 12 of the branch column 3 is bent toward the upper end portion of the trunk column and is connected to the upper end portion.
The length of the upper part of the branch support is variable. Also, the arrangement angle of the branch columns can be adjusted.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a pillar device for cultivating plants (plants such as fruits and vegetables) in which the pillars can be used for various purposes in plant cultivation.

[0002]

[Prior art]

 As a conventional plant-cultivating strut device in which a plurality of struts are integrally connected, for example, as shown in FIG. 16, a large number of struts a are integrally connected in an annular shape, or as shown in FIG. It is proposed that a large number of a are connected and integrated in a laterally parallel state.

[0003]

[Problems to be solved by the device]

 Such a conventional strut device sufficiently achieves its purpose in terms of supporting a plant. However, when covering the whole plant with vinyl sheet for simple greenhouse cultivation, or when covering the whole plant with vinyl sheet or net to protect the plant from wind, rain, and bird damage. In such a state, the roof covering part is only supported by the upper ends of the pillars, and there is a fear that the covering materials such as sheets will be torn, and it was not possible to stably support this. Even if the roof covering could be supported, it was difficult to achieve the purpose because the covering could damage the plants by rubbing against branches, vines, flowers, etc.

The present invention is not limited to the support of the plant, the present invention can be utilized not only as a framework for covering the whole plant (root portion and surrounding portion) with a covering material An object of the present invention is to provide a pillar device for plant cultivation that solves the above problem.

The present invention has been further advanced, and an object thereof is to provide a strut device for cultivating plants, which can change the arrangement state of the strut within a certain range to improve the versatility.

[0006]

[Means for Solving the Problems]

 In order to solve the above problems, the present invention employs the following means. That is, a pillar device 1 for plant cultivation (hereinafter referred to as a pillar device) 1 according to the present invention is composed of three trunk pillars 2 standing vertically and branch pillars 3 standing around the trunk pillar 2. Based on the above, the upper portion 12 of the branch column 3 is bent toward the upper end portion of the trunk column and is connected to the upper end portion.

The distance between the trunk support column 2 and the upright portion of the branch support column 3 is preferably changeable by the following means, for example. One of them is that the upper part 12 of the branch column is formed to be expandable. The other is that the upper part 12 of the branch support is formed substantially horizontally and the upper part 12 is inserted through an insertion part provided at the upper end of the trunk support 2 so as to project from the insertion part. The pull-out length is adjusted to be adjustable.

The strut device 1 according to the present invention is more preferably configured as follows. That is, the supporting column device 1 comprises a trunk supporting column 2 which is erected vertically and four branch supporting columns 3 which are erected around the trunk supporting column 2, and an upper portion 12 of the branch supporting column 3 is It is formed substantially horizontally, and a holding body 6 is provided at the upper end of the trunk support column 2 so that the upper portion 12 of the branch column can be inserted so that its withdrawal length can be adjusted. A lower holding part 20 in which the first insertion parts 19, 19 are arranged side by side, and it is provided on the lower holding part 20 and is rotatable in a horizontal plane and the upper part 12 of the branch strut is pulled out by its length. The second inserting portions 21 and 21 for adjusting the height of the holding portion 22 are provided side by side with the upper holding portion 22.

The holding body in the case of such a configuration is It is preferable to configure as follows. That is, the holding body 6 is Two-row fitting groove 25 for fitting the upper part 12 of the branch support, A lower holding member 15 having 25 arranged side by side on the upper surface side; Two fitting grooves 39 for fitting the upper part 12 of the branch support, The plate-like pressing member 17 in the form of a flat plate is interposed between the upper holding member 16 and the upper holding member 16 which are arranged on the lower surface side. By the lower holding member 15 and the plate-like pressing member 17, A first insertion part 19 for inserting the upper part 12, Forming a lower holding portion 20 formed by arranging 19 in parallel, Further, by the upper holding member 16 and the plate-like pressing member 17, A second insertion part 21 for inserting the upper part 12a, 21 are arranged side by side and form an upper holding portion 22 which is rotatable in a horizontal plane, The upper and lower holding portions 22, 20 and the upper part 12 of the branch struts may be united by a fixing device 23.

[0010]

[Action]

 However, by pushing the lower end portion of the trunk strut 2 to the ground or holding it on the pedestal to stand vertically, the branch strut 3 is pushed around the trunk strut 2 by pushing its lower end portion to the ground. Therefore, it is possible to install the strut device 1 having a stable structure in which the trunk strut firmly supports the branch strut. When the plant is supported by the trunk support 2 in the support device 1, the branch support 3 can be made to function as a frame for supporting the covering material 85 such as a vinyl sheet or a net, and the roof covering portion can be used as a branch support. The upper part 12 can be supported more stably and the whole plant can be covered with the covering material. When the upper portion 12 of the branch strut is formed to be expandable or retractable, or when the withdrawal length of the upper portion 12 is adjustable, the distance between the vertical portion of the branch strut 3 and the trunk strut is determined by the length of the upper portion. Can be adjusted according to the plant by adjusting the required amount or adjusting the pull-out length of the upper portion.

Further, when the upper part 12 of the branch support is held by the upper and lower holding parts 22 and 20 provided at the upper end of the trunk support, the arrangement angle of the branch support can be freely adjusted by the relative rotation of the upper and lower holding parts. You can

When the upper and lower holding portions 22 and 20 are formed by the upper holding member 16 and the lower holding member 15 and the plate-shaped pressing member 17 interposed therebetween, the upper and lower holding portions and the upper portion of the branch support are It can be integrated at the same time by a fixing device.

[0013]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, a strut device 1 according to the present invention comprises a trunk strut 2 which is erected vertically and four branch struts 3 which are erected around the trunk strut 2.

As shown in FIGS. 1 and 2, the trunk strut 2 has a circular tubular shape, and is constructed as an expandable and contractable body in which an outer pipe 5 having a sharp lower end is fitted with an inner pipe 7 having a holding body 6 at the upper end. It is fixed to a predetermined length by the fixing tool 9.

On the other hand, the branch support column 3 is erected around the trunk support column 2 as shown in FIGS. 1 and 2, and has an outer pipe portion 10 having a circular pipe shape with a sharp lower end and an inner pipe portion having a circular pipe shape. The upper portion 12 of the inner pipe portion 11 is a substantially horizontal horizontal portion 12a that is bent toward the holding body 6 at the upper end of the stem support. . The outer tube portion 10 and the inner tube portion 11 are fixed to each other by the fixture 13.

As shown in FIGS. 2 to 5, the holding body 6 has a plate-like pressing member 17 interposed between a lower holding member 15 and an upper holding member 16, and the lower holding member 15 and the plate-like pressing member are provided. 17 together form a lower holding portion 20 in which a first insertion portion 19 for inserting the horizontal portion 12a is arranged side by side. Further, by the upper holding member 16 and the plate-shaped pressing member 17, an upper holding portion 22 is provided which is rotatable in a horizontal plane and has a second insertion portion 21 for inserting the horizontal portion 12a side by side. To form. The lower holding part 20 and the upper holding part 22 can be integrated by a rotary tightening type fixing device 23.

As shown in FIGS. 3 and 5 to 6, the lower holding member 15 has an inverted truncated cone shape, and on the upper surface side thereof, fitting grooves 25, 25 for fitting the horizontal portion 12a are formed in the center. The partitions 26 are arranged side by side with the partition 26 in between. The upper edge of the horizontal portion 12 a fitted into the fitting groove 25 slightly projects from the upper surface 24 of the lower holding member 15 which is flush with the horizontal plane. The central partition portion 26 is composed of a central cylindrical portion 29 having a circular insertion hole 27 provided along the central axis and projecting portions 30, 30 located on the left and right sides thereof. On the lower surface side of the lower holding member 15, a cylindrical portion 31 is provided so as to project. A hexagonal hole 33 for fitting a nut is provided in the cylindrical portion 31 in communication with the insertion hole 27, and a circular enlarged hole 35 is continuously provided in the hexagonal hole 33 via a stepped peripheral surface 36. There is. Then, as shown in FIG. 3, the upper end portion 37 of the inner pipe 7 which constitutes the trunk strut is press-fitted into the enlarged hole 35 by abutting the upper end thereof on the stepped peripheral surface 36, and by this press-fitting, the lower holding The member 15 is fixed to the inner pipe 7.

As shown in FIGS. 4 to 5 and 7, the upper holding member 16 has a truncated cone shape, and on the lower surface side thereof, fitting grooves 39, 39 for fitting the horizontal portion 12a are formed. 40 are arranged side by side. The lower end edge of the horizontal portion 12a fitted in the fitting groove 39 slightly projects from the lower surface 38 of the upper holding member 16 which is flush with the horizontal plane. The central partition portion 40 is composed of a central cylindrical portion 42 in which an insertion hole 41 of the same diameter that can communicate with the insertion hole 27 is provided in the axial direction, and projections 43, 43 located on the left and right sides thereof. Further, on the upper surface side of the upper holding member 16, a large-diameter circular hole 46 having a relatively shallow bottom and provided with a receiving seat 45 in the peripheral portion is concentrically provided with the insertion hole 41.

Further, as shown in FIGS. 4 to 5, the plate-shaped pressing member 17 is formed as a disc body having an insertion hole 47 communicating with the upper and lower insertion holes 41 and 27 in the center thereof, and the outer peripheral surface thereof. Is connected to the upper edge of the lower holding member and the lower edge of the upper holding member.

As shown in FIGS. 3 to 5, the fixing device 23 includes a rotary tightening member 49 and a nut 50. The tightening member 49 is fitted in the large-diameter circular hole 46 of the upper holding member 16, and the knob 53 is provided on the upper surface side of the disk portion 52 whose lower surface peripheral edge portion 51 can come into contact with the seat 45. Become. A rotary shaft 55 is provided at the center of the lower surface of the disc 52. The rotary shaft 55 has a screw shaft 57 projecting from a lower end of a shaft portion 56 which is inserted through the upper and lower insertion holes and the insertion hole of the plate-like pressing member, for screwing the nut 50 fitted into the hexagonal hole 33. Then, on both sides of the lower end of the screw shaft, a pair of locking pieces 60, 60 having locking projections 59 bulged on the outer surface of the lower end are provided with a gap g. The locking pieces 60, 60 elastically contract and deform to allow passage of the nut 50, and the locking projections 59, 59 face the screw shaft side as shown in FIG. It is designed to receive the lower end peripheral portion 61 of the nut 50 that has been pushed in.

In order to fix and integrate the upper and lower holding members 16 and 15 and the plate-like pressing member 17 by the fixing device 23, the tightening member 49 is rotated from the upper end into the communication insertion hole formed by stacking these members. Insert the shaft 55. After that, when the nut 50 is pushed into both the locking pieces 60, 60, the locking pieces are elastically contracted and deformed, and the nuts are attached to the locking pieces. It is in a state of being received by the parts 59, 59 (FIG. 4). In this state, the upper end of the screw hole of the nut 50 can be screwed into the screw shaft 57. After this, the knob 53 is gripped and the rotary shaft 55 is pulled up, the nut 50 is fitted into the hexagonal hole 33, and the rotary shaft 55 is rotated. Since the nut 50 is prevented from rotating by the hexagonal hole 33, the nut 50 is screwed into the screw shaft as the rotary shaft rotates, whereby the three members 16, 15, 17 are fixedly integrated (FIG. 3).

The three members are fixedly integrated in this way, but when assembling the strut device, prior to that, the horizontal portion of the corresponding branch strut is inserted into each fitting groove of the upper and lower holding members. . As a result, as shown in FIGS. 3 to 4, the horizontal portions 12a and 12a are inserted into the first insertion portions 19 and 19 of the lower holding member which are arranged in parallel, and the horizontal portions 12a and 12a are inserted into the second insertion portions 21 and 21 of which the upper holding member are arranged in parallel. The horizontal portions 12a, 12a are inserted. In this state, the withdrawal length of the horizontal portion from the first and second insertion portions is adjusted as necessary, and the upper holding member is rotated in the horizontal plane to change the arrangement state of the four branch columns. Set as required. Then, when the rotating shaft is rotated, the nut is gradually screwed in, and the plate-shaped pressing member 17 presses the horizontal portion 12a fitted in each fitting groove toward the groove bottom, As a result, each horizontal portion 12a is fixed to the holder 6 (FIG. 3).

Since the fixing device 9 for the stem support and the fixing device 13 for the branch support have the same structure, this structure will be described below by using the fixing device 9 for the stem support as a representative.

As shown in FIGS. 8 to 10, the fixture 9 includes a first fixed barrel 62 fixed to the outer tube 5 and a second fixed barrel 63 extensiblely combined with the first fixed barrel 62. Both fixed cylinders are integrally molded of synthetic resin.

The first fixed cylinder 62 has a cylindrical shape, and has a press-fitting hole 66 at the lower end side for inserting the upper end portion 65 of the outer pipe into a press-fitted state, and at the upper end side, as it goes downward. A tapered hole 67 having a smaller diameter is provided, and an enlarged hole 69 that expands outward is provided between the tapered hole 67 and the press-fitting hole 66. Further, the upper end side portion of the outer peripheral surface is formed with a small diameter through the stepped peripheral surface to form an insertion cylinder 70.

On the other hand, the second fixed cylinder 63 is provided on the outer peripheral surface of the holding cylinder 72 that forms the lower side of the cylinder 71 having the same inner diameter (slightly larger inner diameter than the outer diameter of the inner tube) through which the inner tube 7 can be inserted. The portion near the lower end is formed as a tapered outer peripheral surface 75 which becomes smaller in diameter as it goes downward and can contact the inner peripheral surface 73 of the tapered hole 67, and the outer peripheral surface has a lower end above the enlarged hole 69. An engaging collar 77 that can engage with the stepped peripheral surface 76 and can reciprocate in the enlarged hole 69 is provided. Further, the holding cylinder 72 is provided with split grooves 79 in the axial direction at an angular pitch of 90 degrees. As a result, each of the holding projections 80 formed between the split grooves can be elastically tapered. Further, a hanging wall 81 surrounding the upper half of the holding cylinder 72 is provided under the outer peripheral edge of the upper portion of the cylinder 71. The hanging wall 81 surrounds the upper half of the holding cylinder 72 with a space therebetween and the outer circumference of the holding cylinder. An insertion circumferential groove 82 is formed between the surface and the surface. The insertion cylinder 70 having an outer peripheral surface having the same diameter can be inserted into the insertion peripheral groove 82, and the engagement flange 77 engages with the stepped peripheral surface 76 above the enlarged hole 69. In the state, the holding cylinder 72 is in a free state (FIG. 9). Then, as the second fixed cylinder 63 is moved downward from this state, the insertion cylinder 70 is slightly inserted into the insertion circumferential groove 82, and the taper inner peripheral surface 73 presses the taper outer peripheral surface 75 inward. Then, each holding protrusion 80 is elastically closed (FIG. 10).

However, in the extended state in which the engagement flange 77 is in contact with the stepped peripheral surface 76 above the enlarged hole, the inner pipe 7 is not restrained by the second fixed cylinder 63, so that the inner pipe 7 is not inserted into the outer pipe 5. By adjusting the insertion length of the inner pipe 7, the length of the stem support 2 can be set as desired. After this setting, when the second fixed cylinder 63 is pushed downward, the holding projections 80 hold the inner pipe 7, and the frictional force thereby fixes the length of the stem support 2 to the set length. It

An example of the usage of the strut apparatus 1 having the above-described configuration will be described by taking the case where the branch strut 3 is used as a frame and the fruit tree is covered with a vinyl sheet or a net.

FIG. 11 shows a case where the fruit trees 83 are arranged along the trunk support pillars 2 and four branch support pillars 3 are arranged at an angular pitch of about 90 degrees so as to surround the fruit trees 83.

An example of the procedure for assembling the strut apparatus 1 in this way is to set the fixtures 9 and 13 for the trunk strut and the branch strut to the extended state so that the height of the strut apparatus is lowered as shown by the one-dot chain line in FIG. In this state, the fastening member 49 of the holding body 6 is loosened so that the upper holding member 16 can be rotated, and the branch struts 3 are arranged around the trunk strut 2 at an angular pitch of about 90 degrees. At the same time, the withdrawal length of the horizontal portion 12a is adjusted according to the size of the spread of the target fruit tree (FIG. 12). Then, the tightening member 49 is tightened to integrate each branch support with the trunk support. After that, the fixtures 13 of the branch columns are reduced, and the inner pipe 7 of the trunk column 2 is pulled up from the outer pipe 5 by a required length to reduce the fixtures 9 so that the outer pipe 5 and the inner pipe 7 are integrated. Turn into. In this state, the trunk strut 2 is placed along the fruit tree 83 and the lower end side portion thereof is pushed into the ground, so that the trunk strut 2 is vertically planted. The length of the stem support 2 is set so that each horizontal portion 12a is located above the brace of the fruit tree. After that, the fixture 13 of the branch support is extended and the branch support 3 is extended, and the lower end portion thereof is pushed into the ground, and the fixture 13 is contracted in this state, whereby the support device 1 is installed on the ground. State. Using the branch support 3 of the installed support device as a skeleton, the fruit tree 83 is covered with a covering material 85 such as a vinyl sheet or a net as shown by the alternate long and short dash line in FIG. Form a bird avoidance.

FIG. 13 shows a case where the strut device 1 of the present invention is used for a plant planted in, for example, a horizontally long flower pot 86. Adjustments are made in the holder 6 so that the branch struts are spaced around the trunk struts at the required spacing. The covering material 85 is covered in the same manner as described above.

The strut device according to the above-described embodiment may not be premised on coating with a coating material. In this case, the plants are supported on the branch struts and trunk struts. In this case, the advantage of comparison with the conventional device is that the branch columns can be easily arranged and set according to the planted state and the size of the plant.

FIG. 14 shows another embodiment of the strut device 1 according to the present invention, in which the stem strut 2 is formed so as to be extendable and contractible similarly to the above-mentioned embodiment. Disc bodies 87, 89 are provided at the upper end of the disc body 87, 89 with a vertical gap therebetween, and insertion holes 90 are provided at a peripheral edge portion of the disc body 87 on the upper side at a required angular pitch. The upper portion 12 of the branch strut 3 is bent in an inverted U shape, and the tip end portion 91 of the curved portion of each branch strut 3 is inserted into a required insertion hole, and the lower end thereof is placed on the disc body 89 below. In the state, it is connected to the upper end portion of the stem support 2. Also in this case, similarly to the above, the branch support 3 can be used as a framework for supporting the covering material 85, and the branch support can also be used for supporting a plant.

FIG. 15 shows that the upper portion 12 of the branch strut 3 is formed with a pipe 92 connected to the upper end portion of the trunk strut 2 and an insertion shaft 93 that can be inserted into the pipe 92, and the upper portion 12 of the branch strut 3 is connected to the pipe 92. The upper portion 12 can be expanded and contracted by adjusting the amount of insertion and removal of the insertion shaft 93.

[0035]

[Effect of device]

 The strut device according to the present invention comprises a trunk strut that is vertically installed and three or more branch struts that are erected around the trunk strut, and the upper part of the branch strut is the upper end portion of the trunk strut. It will be connected to.

Therefore, the lower end portion of the trunk strut is erected vertically by pushing it to the ground or the like and holding it on the pedestal, and the branch strut is erected around the trunk strut by pushing its lower end portion to the ground or the like. By doing so, it becomes possible to form a stable strut device in which the trunk strut firmly supports the branch strut.

Further, the trunk props and the branch props can function not only as a support for the plant, but for example, the entire plant supported by the trunk props is made of vinyl for the purpose of forming a simple greenhouse, windbreak, avoiding rain, and preventing birds. In the case of enclosing with a covering material such as a sheet or a net, these stanchions can also be used as a framework, and the utilization efficiency of the device can be improved.

In particular, the distance between the vertical portion of the branch support and the trunk support can be changed while maintaining the connection state between the upper part of the branch support and the upper end of the trunk support, and the arrangement angle of the branch support can be changed. In this case, one type of support device can be adapted to the arrangement state of plants and the size and shape of flower pots, etc., and the versatility of the device can be improved.

As described above, since the strut device according to the present invention has a simple structure and can be used for multiple purposes, it can be widely used for plant cultivation applications in parks, roads, households and the like.

[Brief description of drawings]

FIG. 1 is a perspective view illustrating an overall configuration of a column device.

FIG. 2 is a perspective view illustrating a state in which an upper part of a branch support is connected to a holder at an upper end of a trunk support.

FIG. 3 is a cross-sectional view for explaining the structure of a holding body together with the holding state of the upper part of the stem support.

FIG. 4 is a cross-sectional view illustrating the operation of a holding body fixing device.

FIG. 5 is an exploded perspective view illustrating a holder.

FIG. 6 is a perspective view showing a lower holding member.

FIG. 7 is a perspective view illustrating an upper holding member.

FIG. 8 is a perspective view illustrating a fixture.

FIG. 9 is a cross-sectional view illustrating a fixture.

FIG. 10 is a cross-sectional view showing a state in which an inner tube and an outer tube are integrated by a fixture.

FIG. 11 is an explanatory diagram illustrating a usage state of the column device.

FIG. 12 is an explanatory diagram for explaining expansion and contraction of an upper portion of a branch support.

FIG. 13 is an explanatory diagram illustrating another usage example of the column device.

FIG. 14 is a perspective view illustrating another configuration of the column device in a usage state thereof.

FIG. 15 is a perspective view illustrating a configuration of an upper portion of a branch strut that is expandable and contractible.

FIG. 16 is a perspective view showing a conventional strut device in its use state.

FIG. 17 is a perspective view showing a conventional strut device in its use state.

[Explanation of symbols]

 1 Strut device 2 Stem strut 3 Branch strut 6 Holder 12 Upper part of branch strut 15 Lower holding member 16 Upper holding member 17 Plate-like pressing member 19 First insertion portion 20 Lower holding portion 21 Second insertion portion 22 Above Holding part 23 Fixing device 25 Fitting groove 39 Fitting groove

Claims (5)

[Scope of utility model registration request] 1. A vertical support pillar 2 and three or more branch pillars 3 standing around the trunk pillar 2. The upper part 12 of the branch pillar 3 is a trunk pillar. A pillar device for plant cultivation, which is bent toward the upper end portion of and is connected to the upper end portion. 2. The strut device for plant cultivation according to claim 1, wherein the upper portion 12 of the branch strut is formed to be expandable. 3. The upper part 12 of the branch column is formed substantially horizontally, and the upper part 12 is formed so as to pass through an insertion part provided at the upper end of the trunk column 2 and project from the insertion part. The strut device for cultivating a plant according to claim 1, wherein a pulling out length of the cord is adjustable. 4. A vertical support pillar 2 and four branch pillars 3 standing around the trunk pillar 2. The upper part 12 of the branch pillar 3 is formed substantially horizontally. Further, a holding body 6 is provided on the upper end of the trunk strut 2, and the holding body 6 is a first insertion member for allowing the upper portion 12 of the branch strut to be inserted so that its withdrawal length can be adjusted. Lower holding part 20 in which parts 19 and 19 are juxtaposed, and provided on the lower holding part 20 and rotatable in a horizontal plane, and upper part 1 of the branch support
Second for inserting 2 with its pull-out length adjustable
2. A column device for plant cultivation, characterized in that it comprises an upper holding portion 22 in which the insertion portions 21 and 21 are arranged side by side. 5. The holding member 6 has a lower holding member 15 in which two fitting grooves 25, 25 for fitting the upper portion 12 of the branch strut are arranged side by side on the upper surface side, and the upper portion 12 of the branch strut is fitted. A plate-like pressing member 17 in the form of a flat plate is interposed between the upper holding member 16 and two fitting grooves 39, 39 for allowing the lower holding member 15 and the plate-like pressing member. The member 17 forms the lower holding portion 20 in which the first insertion portions 19, 19 for inserting the upper portion 12 are arranged side by side, and the upper holding member 16 and the plate-like pressing member 17 An upper holding portion 22 in which second inserting portions 21 and 21 for inserting the upper portion 12a are arranged in parallel and rotatable in a horizontal plane.
The support device for plant cultivation according to claim 4, wherein the upper and lower holding parts 22, 20 and the upper part 12 of the branch support can be integrated by a fixing device 23.