CN220712252U

CN220712252U - Experimental incubator

Info

Publication number: CN220712252U
Application number: CN202320790641.6U
Authority: CN
Inventors: 李潇晗; 李雯; 唐宗英; 师靖雄
Original assignee: Yunnan Forestry Technological College
Current assignee: Yunnan Forestry Technological College
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2024-04-05
Anticipated expiration: 2033-04-11

Abstract

The utility model belongs to the technical field of incubators, in particular to an experimental incubator, which comprises a incubator body; the side wall of the box body is hinged with an opening and closing door; the side wall of the opening and closing door is fixedly connected with a handle; a heater is fixedly connected to the top of the outer wall of the box body; a heating pipe is fixedly connected to the inner wall of the box body; a group of struts are fixedly connected to the bottom of the box body; a group of supporting plates are arranged between the opposite inner walls of the box body; in order to solve and all adopt top to spout the inside nursery stock watering of artificial containers, set up a plurality of shower nozzles above the nursery stock and water the nursery stock, interval between shower nozzle and the nursery stock is fixed, but different types of nursery stock growth rate is different, fixed interval has restricted the growth height of nursery stock, influence nursery stock growth and development, and water the nursery stock top, crisscross vertically and horizontally of blade between the nursery stock leads to partial nursery stock to receive the watering because of the shielding of blade, influence the root of nursery stock absorbs moisture, and then influence the problem of the growth of nursery stock.

Description

Experimental incubator

Technical Field

The utility model belongs to the technical field of incubators, and particularly relates to an experimental incubator.

Background

The incubator is a device capable of controlling plant temperature and humidity, is mainly used for culturing microorganisms, plants and animal cells, is a two-way temperature regulating system with refrigeration and heating, is basic experimental equipment of scientific research departments such as biology, agriculture, medicine, environmental protection and the like, is widely applied to experiments such as constant temperature culture, constant temperature reaction and the like, is widely applied to seedling culture in agriculture and forestry, and has great contribution to seedling culture in forestry.

One Chinese patent with publication number CN217936646U discloses a nursery stock incubator, which comprises a case body, wherein an incubator is arranged in the case body, a case cover is hinged on the case body, hydraulic cylinders are symmetrically arranged on a bottom plate on one side of the case body front and back, the top ends of the hydraulic cylinders are movably connected with connecting rods, and the other ends of the connecting rods are movably connected with one end of the case cover; the cultivation groove bottom is equipped with the sponge that absorbs water, and the sponge that absorbs water is laid and is cultivated the soil, cultivates the soil and is equipped with the apron above, cultivates groove inner wall periphery and is equipped with the block, the peripheral reason of apron is on the block, evenly is equipped with a plurality of thru holes on the apron, cultivates the ware and pass the thru hole and peg graft with cultivating the soil, the bottom of cultivation groove evenly be equipped with a plurality of through-holes I.

In the prior art, top spraying type seedling irrigation is adopted in the incubator, a plurality of spray heads are arranged above the seedlings to irrigate the seedlings, the distance between the spray heads and the seedlings is fixed, but the growth speed of different types of seedlings is different, the fixed distance limits the growth height of the seedlings, the growth and development of the seedlings are influenced, the tops of the seedlings are irrigated, the blades among the seedlings are staggered and crisscross, so that part of the seedlings are not irrigated due to the shielding of the blades, the root of the seedlings is influenced to absorb water, and the growth of the seedlings is influenced.

Disclosure of Invention

In order to make up the not enough of prior art, solve and all adopt top to spout the inside nursery stock watering of artificial containers, set up a plurality of shower nozzles in the nursery stock top and water the nursery stock, interval between shower nozzle and the nursery stock is fixed, but different types of nursery stock growth rate is different, fixed interval has restricted the growth height of nursery stock, influence nursery stock growth and development, and water the nursery stock top, crisscross aspect of blade between the nursery stock leads to partial nursery stock to receive the watering because of the shielding of blade, influence the root of nursery stock absorbs moisture, and then influence the problem of the growth of nursery stock.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to an experimental incubator, which comprises a case body; the side wall of the box body is hinged with an opening and closing door; the side wall of the opening and closing door is fixedly connected with a handle; a heater is fixedly connected to the top of the outer wall of the box body; a heating pipe is fixedly connected to the inner wall of the box body; a group of struts are fixedly connected to the bottom of the box body; a group of supporting plates are arranged between the opposite inner walls of the box body; a baffle plate is fixedly connected in the middle of the top of the supporting plate; the bottom of the inner wall of the box body is fixedly connected with a water tank and a water pump; a water filling port is formed in the top of the water tank; the water tank is connected with the water pump through a first connecting pipe; an L-shaped pipe is fixedly connected to the water outlet of the water pump, and one transverse end of the L-shaped pipe penetrates through the box body; the outer wall of the L-shaped pipe is fixedly connected with a group of second connecting pipes, and the second connecting pipes penetrate through the box body; the outer wall of the second connecting pipe is fixedly connected with a switch valve, and the switch valve is positioned on the outer wall of the box body; a water outlet groove and a connecting groove are respectively formed in the supporting plate and the partition plate; the end part of the second connecting pipe is connected with a conversion head in a threaded manner; the side wall of the conversion head is fixedly connected with a corrugated hose; the corrugated hose extends into the water outlet groove and the connecting groove; the side walls of the two sides of the connecting groove are respectively connected with a group of spray pipes in a threaded manner; a group of water dripping heads are arranged on the outer wall of the spraying pipe; a pair of cultivation boxes are arranged on the supporting plate; a group of placing grooves are formed in the cultivation box, and the water drop heads correspond to the placing grooves in position.

Preferably, the bottom of the placing groove is provided with a leak hole; a group of water outlets are formed in the top of the supporting plate; the water outlet groove is obliquely arranged towards the opening and closing door, and the water outlet hole is communicated with the water outlet groove; the side wall of the water outlet tank is provided with a square through groove; an L-shaped groove is formed in the side wall of the box body, and the L-shaped groove is obliquely arranged towards the outer wall of the box body; the side wall of the L-shaped groove is provided with a group of connecting holes, and the connecting holes correspond to the square through grooves in position; the L-shaped groove reuses water through the connecting piece.

Preferably, the connecting piece comprises a third connecting pipe; a third connecting pipe is fixedly connected with the transverse end part of the L-shaped groove; a fourth connecting pipe is fixedly connected to the side wall of the water tank; a communicating pipe is arranged between the third connecting pipe and the fourth connecting pipe.

Preferably, a pair of slots are formed in the tops of two sides of the third connecting pipe and the fourth connecting pipe; a pair of inserting blocks are fixedly connected to the side walls of the two sides of the communicating pipe, and the positions of the inserting grooves correspond to the positions of the inserting blocks; a filter screen is fixedly connected between the inner walls of the communicating pipes.

Preferably, a group of support blocks are fixedly connected to the side walls of the two sides of the inner part of the box body; the supporting plate is connected with the supporting block in a sliding way.

Preferably, an isosceles trapezoid strip is fixedly connected between the tops of the pair of support blocks; the bottom of the supporting plate is provided with a trapezoid groove, and the isosceles trapezoid strips correspond to the trapezoid grooves in position; the side wall of the supporting plate is provided with an inclined plane, and the inclined plane corresponds to the inclined plane of the isosceles trapezoid strip.

The beneficial effects of the utility model are as follows:

1. according to the experimental incubator disclosed by the utility model, the incubator is placed on the supporting plate, the corrugated hose is connected with the second connecting pipe, the corrugated hose stretches into the water outlet tank and the connecting tank, so that water flows into the connecting tank, and then the spraying pipe is communicated with the connecting tank; make water drip irrigation into soil through the water dropper with water, the shower pipe is not placed in the centre of standing groove, avoid influencing the sapling growth, through starting the water pump, make water get into first connecting pipe, the L venturi tube, the second connecting pipe, corrugated hose, the shower pipe, carry out accurate irrigation to the sapling soil at last, can make water accurate irrigation, avoid water to spray the box inside, harm the inside electronic component of box, and along with the difference in height of layer board, can connect different second connecting pipes, close the second connecting pipe that does not use through the ooff valve, the second connecting pipe is adjusted along with layer board altitude mixture control, can not influence sapling altitude mixture growth, directly drip irrigation into soil with water, avoid sapling blade to shelter from, result in partial sapling root can not irrigate, influence sapling growth.

2. According to the experimental incubator disclosed by the utility model, through the inclined arrangement of the water outlet groove, redundant water at the root of a sapling can leak into the water outlet groove, so that the water is prevented from accumulating in the water outlet groove, then flows into the L-shaped groove through the square through groove, the outer wall of the L-shaped groove phase incubator body is inclined, the water flowing above can be prevented from entering the square through groove below, the water is prevented from being sputtered in the incubator body, and the inside of the incubator body is kept clean.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic diagram of a front view of a portion of the present utility model;

FIG. 3 is a partial cross-sectional view of the present utility model;

FIG. 4 is an enlarged view at A in FIG. 3;

FIG. 5 is a side cross-sectional partial block diagram of the present utility model;

FIG. 6 is a front cross-sectional partial block diagram of the present utility model;

FIG. 7 is a top cross-sectional partial block diagram of the present utility model;

FIG. 8 is an enlarged view at B in FIG. 7;

in the figure: 1. a case; 2. an opening/closing door; 3. a supporting plate; 4. a partition plate; 5. a water tank; 6. a water pump; 7. a first connection pipe; 8. an L-shaped pipe; 9. a second connection pipe; 10. a switch valve; 11. a water outlet tank; 12. a connecting groove; 13. a corrugated hose; 14. a spray tube; 15. a cultivating box; 16. a placement groove; 18. square through groove; 19. an L-shaped groove; 20. a connection hole; 21. a third connection pipe; 22. a fourth connection pipe; 23. a communicating pipe; 24. a slot; 25. inserting blocks; 26. a filter screen; 27. a support block; 28. an isosceles trapezoid strip; 29. a trapezoid groove; 30. and (5) an inclined plane.

Detailed Description

The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 to 8, an experimental incubator according to an embodiment of the present utility model includes a case 1; the side wall of the box body 1 is hinged with an opening and closing door 2; the side wall of the opening and closing door 2 is fixedly connected with a handle; a heater is fixedly connected to the top of the outer wall of the box body 1; a heating pipe is fixedly connected to the inner wall of the box body 1; a group of struts are fixedly connected to the bottom of the box body 1; a group of supporting plates 3 are arranged between the opposite inner walls of the box body 1; a partition board 4 is fixedly connected in the middle of the top of the supporting plate 3; the bottom of the inner wall of the box body 1 is fixedly connected with a water tank 5 and a water pump 6; a water filling port is formed in the top of the water tank 5; the water tank 5 and the water pump 6 are connected through a first connecting pipe 7; an L-shaped pipe 8 is fixedly connected to the water outlet of the water pump 6, and one transverse end of the L-shaped pipe 8 penetrates through the box body 1; a group of second connecting pipes 9 are fixedly connected to the outer wall of the L-shaped pipe 8, and the second connecting pipes 9 penetrate through the box body 1; the outer wall of the second connecting pipe 9 is fixedly connected with a switch valve 10, and the switch valve 10 is positioned on the outer wall of the box body 1; a water outlet groove 11 and a connecting groove 12 are respectively formed in the supporting plate 3 and the partition plate 4; the end part of the second connecting pipe 9 is in threaded connection with a conversion head; the side wall of the conversion head is fixedly connected with a corrugated hose 13; the corrugated hose 13 extends into the water outlet tank 11 and the connecting tank 12; the side walls of the two sides of the connecting groove 12 are respectively connected with a group of spray pipes 14 in a threaded manner; a group of water dripping heads are arranged on the outer wall of the spray pipe 14; a pair of cultivation boxes 15 are placed on the supporting plate 3; a group of placing grooves 16 are formed in the cultivating box 15, and the positions of the water drop heads correspond to the positions of the placing grooves 16; during operation, through placing cultivation box 15 on layer board 3, connect ripple hose 13 and second connecting pipe 9, ripple hose 13 stretches into basin 11 and spread groove 12, make the water flow go into in the spread groove 12, then be linked together spray pipe 14 and spread groove 12, place spray pipe 14 on cultivation box 15, make water drip irrigation into soil through the water droplet head, spray pipe 14 is not placed in the centre of standing groove 16, avoid influencing the sapling growth, through starting water pump 6, make water get into first connecting pipe 7, L shape pipe 8, second connecting pipe 9, ripple hose 13, spray pipe 14, carry out accurate irrigation to the sapling soil at last, can make the accurate irrigation of water, avoid water to spray inside box 1, harm the inside electronic component of box 1, and along with the difference of layer board 3's height, can connect different second connecting pipe 9, the second connecting pipe 9 to not using closes through switching valve 10, second connecting pipe 9 is along with 3 altitude mixture control is adjusted, can not influence sapling height to shelter from soil leaf, directly drip irrigation, the sapling root is advanced, can not influence sapling growth, the sapling can be avoided to partly irrigated, the sapling growth.

The bottom of the placing groove 16 is provided with a leak hole; a group of water outlets are formed in the top of the supporting plate 3; the water outlet groove 11 is obliquely arranged towards the opening and closing door 2, and the water outlet hole is communicated with the water outlet groove 11; the side wall of the water outlet tank 11 is provided with a square through groove 18; an L-shaped groove 19 is formed in the side wall of the box body 1, and the L-shaped groove 19 is obliquely arranged towards the outer wall of the box body 1; the side wall of the L-shaped groove 19 is provided with a group of connecting holes 20, and the positions of the connecting holes 20 correspond to the positions of the square through grooves 18; the L-shaped groove 19 reuses water through a connecting piece; during operation, through the slope of play basin 11 setting, can make the unnecessary water of sapling root can leak in play basin 11, avoid water to pile up in play basin 11, then flow through square logical inslot 18 and fall in L shape groove 19, L shape groove 19 looks box 1 outer wall slope setting can avoid the water of top stream to enter into the square logical inslot 18 in below, makes the water sputter in box 1 inside, has kept the inside clean state of box 1.

The connection piece comprises a third connection tube 21; a third connecting pipe 21 is fixedly connected to the transverse end part of the L-shaped groove 19; a fourth connecting pipe 22 is fixedly connected to the side wall of the water tank 5; a communicating pipe 23 is arranged between the third connecting pipe 21 and the fourth connecting pipe 22; during operation, can make water backward flow to the inside of water tank 5 through third connecting pipe 21 and fourth connecting pipe 22, retrieve unnecessary water, avoid the waste of water resource, increase the device practicality.

A pair of slots 24 are formed in the tops of the two sides of the third connecting pipe 21 and the fourth connecting pipe 22; a pair of inserting blocks 25 are fixedly connected to the side walls of the two sides of the communicating pipe 23, and the positions of the inserting grooves 24 and the inserting blocks 25 are corresponding; a filter screen 26 is fixedly connected between the inner walls of the communicating pipes 23; during operation, through the setting of slot 24 and inserted block 25, can make communicating pipe 23 pull out, clear up the inside filter screen 26 of communicating pipe 23, can filter impurity to the water that flows back to water tank 5, avoided unfiltered water to block up spray pipe 14, lead to appearing damaging the function of watering of sapling.

A group of supporting blocks 27 are fixedly connected to the side walls of the two sides of the interior of the box body 1; the supporting plate 3 is connected with the supporting block 27 in a sliding way; during operation, through setting up of the support block 27, the position of the support plate 3 can be moved up and down, the support plate 3 is pulled out of the support block 27 and adjusted to a proper position, and the support plate 3 is inserted into the support block 27, so that saplings which cannot grow in height can be adjusted in time, and the influence on the growth of the saplings due to height limitation is avoided.

An isosceles trapezoid strip 28 is fixedly connected between the tops of the pair of support blocks 27; a trapezoid groove 29 is formed in the bottom of the supporting plate 3, and the isosceles trapezoid strips 28 correspond to the trapezoid grooves 29 in position; an inclined plane 30 is formed on the side wall of the supporting plate 3, and the inclined plane 30 corresponds to the inclined plane 30 of the isosceles trapezoid strip 28; in operation, setting up of the national trapezoid groove 29 and the isosceles trapezoid strip 28 can make the support plate 3 placed on the support block 27 more firmly, avoid shaking of the support plate 3 to influence the growth of sapling, and setting up of the inclined plane 30 can make the support plate 3 slide at a specified position of smoother movement when placed, thereby increasing the practicability of the device.

Working principle: by placing the cultivation box 15 on the pallet 3, connecting the bellows 13 and the second connection pipe 9, the bellows 13 is extended into the water tank 11 and the connection tank 12, water is made to flow into the connection tank 12, and then the spray pipe 14 and the connection tank 12 are connected; the sprinkling tube 14 is placed on the cultivating box 15, water is dripped into the soil through the water dripping head, the sprinkling tube 14 is not placed in the middle of the placing groove 16, the growth of sapling is prevented from being influenced, the water pump 6 is started, the water is enabled to enter the first connecting tube 7, the L-shaped tube 8, the second connecting tube 9, the corrugated hose 13 and the sprinkling tube 14, and finally, the sapling soil is accurately irrigated, the water is enabled to be accurately irrigated, the water is prevented from being sprayed into the box body 1, the electronic elements in the box body 1 are damaged, different second connecting tubes 9 can be connected with the different heights of the supporting plates 3, the unused second connecting tubes 9 are closed through the switch valve 10, the second connecting tubes 9 are adjusted along with the height adjustment of the supporting plates 3, the growth of sapling is prevented from being influenced, the water is directly dripped into the soil, the shielding of sapling blades is prevented from being caused, the roots of the sapling cannot be irrigated, influencing the growth of sapling, through the inclined arrangement of the water outlet tank 11, the superfluous water at the root of sapling can leak into the water outlet tank 11, avoid water accumulation in the water outlet tank 11, then flow into the L-shaped groove 19 through the square through groove 18, the L-shaped groove 19 is inclined to the outer wall of the tank body 1, avoid the water flowing upwards to enter the square through groove 18 below, make the water splash inside the tank body 1, keep the clean state inside the tank body 1, the water can flow back into the water tank 5 through the third connecting pipe 21 and the fourth connecting pipe 22, recover superfluous water, avoid the waste of water resource, increase the practicability of the device, through the arrangement of the slots 24 and the plug blocks 25, enable the communicating pipe 23 to be pulled out, clear the filter screen 26 inside the communicating pipe 23, filter impurities on the water flowing back to the water tank 5, avoid the water not filtered from blocking the spraying pipe 14, the utility model discloses a seedling watering device, including a support block 27, a supporting plate 3, a supporting plate 27, a supporting plate 3, a supporting plate 29, a supporting plate 30, a supporting plate 3, a supporting plate 27, a supporting plate 30, a supporting plate 29 and an isosceles trapezoid strip 28, wherein the supporting plate 3 can be moved up and down through the supporting plate 27, the supporting plate 3 is pulled out from the supporting plate 27 and adjusted to a proper position, the supporting plate 3 is inserted into the supporting plate 27, the seedlings which cannot grow in height can be adjusted in time, the seedlings are prevented from being influenced by height limitation, the supporting plate 3 is prevented from being placed on the supporting plate 27 more firmly due to the establishment of the isosceles trapezoid groove 29 and the isosceles trapezoid strip 28, the seedlings are prevented from being influenced by shaking of the supporting plate 3, the inclined plane 30 is established, the supporting plate 3 can be placed in a sliding manner, and the moving appointed position is more smooth, and the practicability of the device is improved.

The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An experimental incubator, characterized in that: comprises a box body (1); the side wall of the box body (1) is hinged with an opening and closing door (2); the side wall of the opening and closing door (2) is fixedly connected with a handle; a heater is fixedly connected to the top of the outer wall of the box body (1); a heating pipe is fixedly connected to the inner wall of the box body (1); a group of struts are fixedly connected to the bottom of the box body (1); a group of supporting plates (3) are arranged between the opposite inner walls of the box body (1); a baffle plate (4) is fixedly connected in the middle of the top of the supporting plate (3); the bottom of the inner wall of the box body (1) is fixedly connected with a water tank (5) and a water pump (6); a water filling port is formed in the top of the water tank (5); the water tank (5) is connected with the water pump (6) through a first connecting pipe (7); an L-shaped pipe (8) is fixedly connected to the water outlet of the water pump (6), and one transverse end of the L-shaped pipe (8) penetrates through the box body (1); a group of second connecting pipes (9) are fixedly connected to the outer wall of the L-shaped pipe (8), and the second connecting pipes (9) penetrate through the box body (1); the outer wall of the second connecting pipe (9) is fixedly connected with a switch valve (10), and the switch valve (10) is positioned on the outer wall of the box body (1); the inner parts of the supporting plate (3) and the partition plate (4) are respectively provided with a water outlet groove (11) and a connecting groove (12); the end part of the second connecting pipe (9) is connected with a conversion head in a threaded manner; the side wall of the conversion head is fixedly connected with a corrugated hose (13); the corrugated hose (13) extends into the water outlet groove (11) and the connecting groove (12); the side walls of the two sides of the connecting groove (12) are respectively connected with a group of spray pipes (14) in a threaded manner; a group of water dripping heads are arranged on the outer wall of the spraying pipe (14); a pair of cultivation boxes (15) are arranged on the supporting plate (3); a group of placing grooves (16) are formed in the cultivating box (15), and the positions of the water dripping heads correspond to the positions of the placing grooves (16).

2. An experimental incubator according to claim 1, wherein: the bottom of the placing groove (16) is provided with a leak hole; a group of water outlet holes are formed in the top of the supporting plate (3); the water outlet groove (11) is obliquely arranged towards the opening and closing door (2), and the water outlet hole is communicated with the water outlet groove (11); the side wall of the water outlet groove (11) is provided with a square through groove (18); an L-shaped groove (19) is formed in the side wall of the box body (1), and the L-shaped groove (19) is obliquely arranged towards the outer wall of the box body (1); a group of connecting holes (20) are formed in the side wall of the L-shaped groove (19), and the positions of the connecting holes (20) correspond to those of the square through grooves (18); the L-shaped groove (19) is used for reutilizing water through the connecting piece.

3. An experimental incubator according to claim 2, wherein: the connector comprises a third connecting tube (21); a third connecting pipe (21) is fixedly connected to the transverse end part of the L-shaped groove (19); a fourth connecting pipe (22) is fixedly connected to the side wall of the water tank (5); a communicating pipe (23) is arranged between the third connecting pipe (21) and the fourth connecting pipe (22).

4. An experimental incubator according to claim 3, wherein: a pair of slots (24) are formed in the tops of two sides of the third connecting pipe (21) and the fourth connecting pipe (22); a pair of inserting blocks (25) are fixedly connected to the side walls of two sides of the communicating pipe (23), and the positions of the inserting grooves (24) are corresponding to those of the inserting blocks (25); a filter screen (26) is fixedly connected between the inner walls of the communicating pipes (23).

5. An experimental incubator as set forth in claim 4 wherein: a group of support blocks (27) are fixedly connected to the side walls of the two sides of the interior of the box body (1); the supporting plate (3) is connected with the supporting block (27) in a sliding way.

6. An experimental incubator as set forth in claim 5 wherein: an isosceles trapezoid strip (28) is fixedly connected between the tops of the pair of support blocks (27); a trapezoid groove (29) is formed in the bottom of the supporting plate (3), and the isosceles trapezoid strips (28) are corresponding to the trapezoid groove (29); an inclined plane (30) is formed in the side wall of the supporting plate (3), and the inclined plane (30) corresponds to the inclined plane (30) of the isosceles trapezoid strip (28).