Tower-type crab breeding device

Abstract

The invention discloses a tower type crab breeding device, and belongs to the technical field of aquaculture, the tower type crab breeding device comprises a breeding box (1), a water supply mechanism (2) and a drainage mechanism (3), the breeding box (1) is provided with a boss (6), the water supply mechanism (2) comprises a water distribution disc (7) and a water diversion channel (8), the water distribution disc (7) is arranged on the boss (6) of the breeding box (1), and the water diversion channel (8) is communicated with the water distribution disc (7) and the breeding box (1). The drainage mechanism (3) comprises a drainage port (9), a drainage component (10) and a siphon component (11), the siphon component (11) is arranged on the drainage component (10), a water storage cavity (12) is arranged between the drainage component (10) and the boss (6), and the drainage port (9), the water storage cavity (12) and the siphon component (11) are mutually communicated. And the breeding quality is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of aquaculture and relates to an aquaculture device, in particular to a tower crab breeding device. Background Art

[0002] Aquaculture refers to the production activities of controlling the reproduction, cultivation and harvesting of aquatic plants and animals. Crabs are an important aquatic product in my country. Due to their high economic value, artificial breeding is an important way to stabilize crab production. Pond farming is the main method in southern my country, but pond farming cannot monitor the vital signs of crabs.

[0003] The above-mentioned problems have not been solved in the prior art. The invention patent with publication number CN221689758U discloses a grille-type large-scale crab breeding device, and provides a grille-type large-scale crab breeding device, including a breeding box, the inner walls of the two breeding boxes are provided with a placement groove, the inner walls of the breeding boxes are provided with a filter box, the top of the filter box is provided with a first handle, the top of the breeding box is provided with two slots, a pressing plate is placed on the top of the breeding box, and two plug blocks are fixedly installed on the bottom end of the pressing plate. In order to prevent crabs from crawling out of the breeding box during the breeding process, a pressing plate can be placed on the top of the breeding box, and at the same time, an plug block is provided at the bottom end of the pressing plate, and the plug block can be inserted into the slot at the top of the breeding box, so as to fix the pressing plate. When all the crabs in the breeding box need to be taken out, the filter box is lifted up from the breeding box by the first handle, so as to facilitate the removal of all the crabs in the breeding box.

[0004] The device converts the original pond farming method into device farming through a grid-type device, which makes it easier to observe the vital signs of crabs. However, since the device does not have a water inlet and drainage system, the farming water in the breeding box needs to be injected and discharged manually, which cannot achieve intelligent farming and consumes labor. In addition, the structural layout of the device occupies a large area and cannot meet the requirements of large-scale breeding. Summary of the invention

[0005] The purpose of the present invention is to overcome the technical problems in the prior art that the crab breeding device has no water supply and drainage mechanism and occupies a large area, resulting in the inability to breed large-scale intelligently, and to provide a tower-type crab breeding device with a more optimized structure and a water circulation system.

[0006] In order to solve the above technical problems, the present invention provides a tower-type crab breeding device, including a breeding box, the breeding device also includes a water supply mechanism and a drainage mechanism, the breeding box includes a bottom plate, a side plate and a boss in the middle, the center part of the boss is hollowed out, the water supply mechanism includes a water distribution plate and a water diversion channel, the water distribution plate has an annular water trough, the water distribution plate is arranged on the breeding box boss, one end of the water diversion channel is connected to the water distribution plate and the other end is connected to the breeding box, the drainage mechanism includes a drainage port, a drainage component and a siphon component arranged on the side wall of the breeding box boss, the siphon component is arranged on the inner side of the drainage component, a water storage chamber is arranged between the drainage component and the boss, the drainage port is connected to the water storage chamber, the water storage chamber is connected to the siphon component, and the highest point of the siphon component is consistent with the set water surface height.

[0007] During the breeding process, crabs are placed in the breeding box, and water flows from the water distribution plate into the water diversion channel and finally into the breeding box. The water will flow into the water storage chamber from the drain port. As the amount of water in the breeding box increases, the water level rises, and the water flow in the water storage chamber will continue to rise. When the water level rises to the set height, that is, the highest point, the siphon component starts, triggering the siphon effect, so that the water in the breeding chamber is continuously discharged until the siphon effect stops, and the water flow in the water distribution plate continues to flow in, and the water level rises again. This water supply mechanism and drainage mechanism can, on the one hand, ensure the automatic replacement of water during the breeding process, and on the other hand, can imitate the changes of tides, and can simulate the natural environment to make crab breeding intelligent while improving the quality of breeding.

[0008] As a further improvement measure of the present invention, the above-mentioned tower-type crab breeding device, the drainage component includes a cylindrical tube and an annular groove, the annular groove is arranged in the lower middle part of the outer side of the cylindrical tube, and the cylindrical tube is divided into an upper cylindrical tube and a lower cylindrical tube. The upper cylindrical tube, the annular groove and the inner wall of the boss form a water storage chamber. In order to ensure that the water surface inside the water storage chamber is consistent with the water surface inside the breeding box, the drainage port is arranged at the bottom of the boss to connect the water storage chamber with the breeding box. This design can ensure that the water at the bottom is discharged first during drainage.

[0009] As a further improvement measure of the present invention, the above-mentioned tower-type crab breeding device, the siphon component includes an outer plate, a bottom plate, an upper cover and a partition plate 1, the outer plate is arranged on the inner side of the cylindrical tube, the partition plate 1 divides the cavity outer plate and the cylindrical tube into cavity 1 and cavity 2, the cavity upper cover is arranged on the upper part of the space formed by the cavity outer plate and the cylindrical tube, the bottom plate is arranged at the bottom of cavity 1 and is flush with the annular groove, the upper cylindrical tube is provided with a through hole 1 near the annular groove, the through hole 1 is connected with cavity 1, the top of the partition plate 2 is lower than the outer plate, the lower end of the cavity is connected with the water storage cavity, the upper end of the cavity 2 is connected with the upper end of the cavity 1, the lower end is connected with the atmosphere, and the bottom of the cavity 2 is lower than the chassis of the breeding box.

[0010] After the water flows into the water storage chamber, cavity one is connected with the water storage chamber through through hole one, and the water flows into cavity one. When the water level rises to the height of partition plate one, the water flows into cavity two. Since the lowest point of cavity two is lower than the bottom plate of the breeding box, a siphon effect is triggered. Under the action of atmospheric pressure, the water in the breeding box will be continuously discharged, thereby achieving the effect of intelligent drainage and realizing intelligent breeding.

[0011] As a further improvement measure of the present invention, in the above-mentioned tower-type crab breeding device, a limiting water ring is arranged at the connection between the drain port and the water storage chamber, the limiting water ring is arranged on the inner wall of the boss, the height of the limiting water ring is higher than the drain port, and a hole is arranged on the upper part of the limiting water ring. The limiting water ring is arranged at the drain port and the water storage chamber to limit the minimum water level. Due to the siphon effect, the water flow in the breeding box will continue to be discharged like the water in the water storage chamber. Since the holes are arranged on the limiting water ring, when the water in the breeding box passes through the water level at the position of the hole of the limiting water ring, air will enter the water storage chamber, so that the atmospheric pressure in the water storage chamber is consistent with the atmospheric pressure at the bottom of the second cavity, so that the siphon effect is suspended, thereby stopping the drainage, and the minimum water level in the breeding box can be guaranteed.

[0012] As a further improvement measure of the present invention, the above-mentioned tower-type crab breeding device, the breeding box is provided with 1-8 breeding chambers, the breeding chambers are separated by a second partition plate, and the water diversion channel is arranged on the second partition plate. In order to avoid injuries caused by fighting between crabs, and at the same time to better plan the breeding space, breeding chambers are arranged in the breeding box, and the breeding chambers are arranged circumferentially along the boss in a petal shape, thereby ensuring the living space of each crab and facilitating monitoring and observation.

[0013] As a further improvement measure of the present invention, the above-mentioned tower-type crab breeding device is provided with a dry area and a wet area in the breeding chamber, the dry area is higher than the wet area, and the end of the water diversion channel not connected to the water distribution plate is arranged in the dry area. In order to simulate the living state of crabs, the dry area and the wet area are arranged in the breeding box, and the height of the upper cover of the siphon component is the highest point of the wet area. When the water exceeds this height, a siphon effect will be triggered to start draining.

[0014] As a further improvement measure of the present invention, the above-mentioned tower-type crab breeding device is provided with an observation window in the breeding box, which is arranged at an angle to the side panel. The breeding box is polygonal, and an observation window is arranged on the outside of the breeding box to facilitate the observation of the state of the crabs. At the same time, the observation window is arranged at an angle to the side panel to facilitate the setting of the position of the observation window, so that the observation windows are arranged on the same side, thereby optimizing the shape of the breeding box and saving space.

[0015] As a further improvement measure of the present invention, the above-mentioned tower-type crab breeding device comprises 2-8 breeding boxes, which are stacked up and down, and the siphon components of two adjacent breeding boxes are staggered. After the breeding boxes are stacked, they form a tower shape, which optimizes the structure of the breeding boxes and saves space. Since the lowest point of the siphon component is lower than the chassis, the siphon components need to be staggered.

[0016] As a further improvement measure of the present invention, the above-mentioned tower-type crab breeding device is provided with a through hole two on the lower cylindrical tube, and a water inlet pipe port is provided on the annular groove. The drainage component of the upper breeding box is arranged on the lower water distribution plate, and the water inlet pipe port is connected with the lower water distribution plate. The water supply mechanism also includes a water supply pipe, which is arranged in a central hollow part of the boss, passes through the through hole two of the upper breeding box and is connected with the water inlet pipe port of the lower breeding box. This structure can ensure that there is water supply in each water distribution plate.

[0017] As a further improvement measure of the present invention, in the tower-type crab breeding device, a light belt groove is provided at the stacking place of the upper breeding box and the lower breeding box. The light belt groove is annular, the inner circle is clamped on the boss one, and the outer circle is clamped on the partition plate one. A light belt is provided in the light belt groove. Since the breeding boxes are stacked, there is no light source in the breeding box on the lower layer. In order to simulate the life and work of crabs, a light belt is provided at the junction of the lower layer and the upper layer. The light of the light belt is used as a supplementary light source to make the crabs grow better. At the same time, a light belt groove is provided to prevent the crabs from damaging the light belt.

[0018] Compared with the prior art, the beneficial effects of the present invention are: 1. Through the water supply mechanism and the drainage mechanism, the breeding water in the breeding box can be automatically replaced, and the tidal changes can be simulated to better simulate the growth environment of crabs; 2. Through the high and low setting of the chassis, dry areas and wet areas are formed to optimize the breeding environment and improve the breeding quality; 3. The structure of the breeding box is optimized, starting from the appearance and the stacking connection method, which saves breeding space; 4. Light strips are set to supplement lighting and optimize the breeding environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view of a tower type crab breeding device of the present invention.

[0020] Figure 2 The present invention is a top view of a tower type crab breeding device.

[0021] Figure 3 yes Figure 2 AA section view.

[0022] Figure 4 The present invention is a three-dimensional tower crab breeding device Figure 1 .

[0023] Figure 5 It is a stereoscopic diagram of the internal structure of a tower type crab breeding device of the present invention.

[0024] Figure 6 The present invention is a three-dimensional tower crab breeding device Figure 2 .

[0025] Figure 7 Front view of the drainage component and the siphon component of the present invention.

[0026] Figure 8 It is a top view of the drainage component and the siphon component of the present invention.

[0027] Fig. 9 It is a three-dimensional representation of the drainage component and the siphon component of the present invention. Figure 1 .

[0028] Fig.10 It is a three-dimensional representation of the drainage component and the siphon component of the present invention. Figure 2 .

[0029] Explanation of the accompanying numbers: 1-breeding box, 2-water supply mechanism, 3-drainage mechanism, 4-chassis, 5-side plate, 6-boss, 7-water distribution plate, 8-water diversion channel, 9-drainage outlet, 10-drainage component, 11-siphon component, 12-water storage chamber, 13-cylindrical tube, 14-annular groove, 15-upper cylindrical tube, 16-lower cylindrical tube, 17-outer plate, 18-bottom plate, 19-upper cover, 20-partition plate one, 21-cavity one, 22-cavity two, 23-through hole one, 24-water limiting ring, 25-hole, 26-breeding chamber, 27-partition plate two, 28-dry area, 29-wet area, 30-observation window, 31-through hole two, 32-water inlet, 33-light belt groove. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0031] On the contrary, the present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention as defined by the claims. Further, in order to make the public have a better understanding of the present invention, some specific details are described in detail in the detailed description of the present invention below. Those skilled in the art can fully understand the present invention without the description of these details.

[0032] like Figure 1 , Figure 2 , Figure 3A tower-type crab breeding device is shown, which comprises three breeding boxes 1, which are stacked up and down and are polygonal in shape. The breeding box 1 comprises a bottom plate 4, a side plate 5, a boss 6 in the middle and six breeding cavities 26 arranged circumferentially along the boss 6. The center of the boss 6 is hollowed out to ensure the living space of each crab for easy monitoring and observation. The breeding cavities 26 are separated from each other by a partition plate 27.

[0033] like Figure 4 As shown, the breeding chamber 26 is provided with a dry area 28 and a wet area 29, the height of the dry area 28 is higher than the wet area 29, and the end of the water diversion channel 8 that is not connected to the water distribution plate 7 is set at the dry area 28. In order to simulate the living state of crabs, the dry area 28 and the wet area 29 are set in the breeding box 1. The breeding box 1 is provided with an observation window 30, and the observation window 30 is set at an angle with the side plate 5. The observation window 30 is set outside the breeding box 1 to facilitate the observation of the state of the crab. At the same time, the observation window 30 is set at an angle with the side plate 5 to facilitate the setting of the position of the observation window 30, so that the observation window 30 is set on the same side, optimizing the appearance of the breeding box 1 and saving space.

[0034] like Figure 4 , Figure 5 The breeding device shown also includes a water supply mechanism 2 and a drainage mechanism 3. The water supply mechanism 2 includes a water distribution plate 7 and a water diversion channel 8. The water distribution plate 7 is arranged on the boss 6 of the breeding box 1. One end of the water diversion channel 8 is connected to the water distribution plate 7 and the other end is connected to the breeding box 1. The water diversion channel 8 is arranged on the partition plate 27. During the breeding process, crabs are placed in the breeding box 1, and water flows from the water distribution plate 7 into the water diversion channel 8 and finally into the breeding box 1.

[0035] like Figure 4-Figure 10 As shown, the drainage mechanism 3 includes a drainage port 9, a drainage component 10 and a siphon component 11 arranged on the side wall of the boss 6 of the breeding box 1. The siphon component 11 is arranged on the inner side of the drainage component 10. A water storage chamber 12 is arranged between the drainage component 10 and the boss 6. The drainage port 9 is communicated with the water storage chamber 12, and the water storage chamber 12 is communicated with the siphon component 11. The drainage component 10 includes a cylindrical tube 13 and an annular groove 14. The annular groove 14 is arranged in the middle and lower part of the outer side of the cylindrical tube 13, and the cylindrical tube 13 is divided into an upper cylindrical tube 15 and a lower cylindrical tube 16. The upper cylindrical tube 15, the annular groove 14 and the inner wall of the boss 6 form the water storage chamber 12. In order to ensure that the inside of the water storage chamber 12 is consistent with the water surface inside the breeding box 1, the drainage port 9 is arranged at the bottom of the boss 6, so that the water storage chamber 12 is communicated with the breeding box 1. This design can ensure that the water at the bottom is discharged first during drainage.

[0036] like Figure 7-10As shown, the siphon component 11 includes an outer plate 17, a bottom plate 18, an upper cover 19 and a partition plate 20. The outer plate 17 is arranged on the inner side of the cylindrical tube 13. The partition plate 20 divides the cavity outer plate 17 and the cylindrical tube 13 into a cavity 1 21 and a cavity 22. The cavity upper cover 19 is arranged on the upper part of the space formed by the cavity outer plate 17 and the cylindrical tube 13. The bottom plate 18 is arranged at the bottom of the cavity 21 and is flush with the annular groove 14. The upper cylindrical tube 15 is provided with a through hole 23 near the annular groove 14. The through hole 23 is connected with the cavity 21. The top of the partition plate 27 is lower than the outer plate 17. The lower end of the cavity 21 is connected with the water storage chamber 12. The upper end of the cavity 22 is connected with the upper end of the cavity 21, and the lower end is connected with the atmosphere. The bottom of the cavity 22 is lower than the bottom plate 4 of the breeding box 1. The height of the upper cover 19 is lower than the height of the dry area 28.

[0037] The highest point of the siphon component 11 is consistent with the set water surface height. As the amount of water in the breeding box 1 increases and the water level rises, the water flow in the water storage chamber 12 will continue to rise. When the water level rises to the set height, that is, the highest point, the siphon component 11 is activated, triggering the siphon effect, so that the water in the breeding chamber 26 is continuously discharged until the siphon effect stops, and the water flow in the water distribution plate 7 continues to flow in, and the water surface rises again. This water supply mechanism 2 and drainage mechanism 3 can, on the one hand, ensure the automatic replacement of water during the breeding process, and on the other hand, can imitate the change of tides, can simulate the natural environment to make crab breeding intelligent while improving the quality of breeding.

[0038] like Figure 3 , Figure 5 As shown, a limiting water ring 24 is provided at the connection between the drain port 9 and the water storage chamber 12. The limiting water ring 24 is provided on the inner wall of the boss 6. The height of the limiting water ring 24 is higher than the drain port 9, and a hole 25 is provided on the upper part of the limiting water ring 24. The limiting water ring 24 is provided at the drain port 9 and the water storage chamber 12 to limit the minimum water level. Due to the siphon effect, the water flow in the breeding box 1 will continue to be discharged like the water in the water storage chamber 12. Since the holes 25 are provided on the limiting water ring 24, when the water in the breeding box 1 passes through the water level at the position of the hole 25 of the limiting water ring 24, air will enter the water storage chamber 12, so that the atmospheric pressure in the water storage chamber 12 is consistent with the atmospheric pressure at the bottom of the cavity 22, so that the siphon effect is suspended, thereby stopping the drainage, and the minimum water level in the breeding box 1 can be guaranteed.

[0039] like Fig. 9As shown in 10, a second through hole 31 is provided on the lower cylindrical tube 16, and a water inlet pipe port 32 is provided on the annular groove 14. The drainage component 10 of the upper breeding box 1 is provided on the lower water distribution plate 7, and the water inlet pipe port 32 is connected with the lower water distribution plate 7. The water supply mechanism 2 also includes a water supply pipe, which is provided in a central hollow portion of the boss 6, passes through the second through hole 31 of the upper breeding box 1 and is connected with the water inlet pipe port 32 of the lower breeding box 1. This structure can ensure that there is water supply in each water distribution plate 7.

[0040] like Figure 5 , Figure 6 As shown, a light belt groove 33 is provided at the stacking place of the upper breeding box 1 and the lower breeding box 1. The light belt groove 33 is annular, the inner circle is clamped on the boss 6-, and the outer circle is clamped on the partition plate 20. A light belt is provided in the light belt groove 33. Since the breeding boxes 1 are stacked, there is no light source in the breeding box 1 of the lower layer. In order to simulate the life and work of crabs, a light belt is provided at the junction of the lower layer and the upper layer. The light of the light belt is used as a supplementary light source to make the crabs grow better. At the same time, the light belt groove 33 is provided to prevent the crabs from damaging the light belt.

[0041] The above describes the embodiments of the present invention in detail in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. For ordinary technicians in this field, several modifications and improvements can be made without departing from the present invention, and these should also be regarded as belonging to the protection scope of the present invention.

Claims

1. A tower crab breeding device, comprising a breeding box (1), characterized in that: The breeding device further comprises a water supply mechanism (2) and a drainage mechanism (3); the breeding box (1) comprises a bottom plate (4), a side plate (5) and a boss (6) in the middle; the center of the boss (6) is hollowed out; the water supply mechanism (2) comprises a water distribution plate (7) and a water diversion channel (8); the water distribution plate (7) is arranged on the boss (6) of the breeding box (1); the water distribution plate (7) has an annular water trough; one end of the water diversion channel (8) is connected to the water distribution plate (7) and the other end is connected to the breeding box (1); The drainage mechanism (3) comprises a drainage port (9) arranged on the side wall of the boss (6) of the breeding box (1), a drainage component (10) and a siphon component (11); the siphon component (11) is arranged inside the drainage component (10); a water storage chamber (12) is arranged between the drainage component (10) and the boss (6); the drainage port (9) is connected to the water storage chamber (12); the water storage chamber (12) is connected to the siphon component (11); and the highest point of the siphon component (11) is consistent with a set water surface height.

2. A tower crab breeding device according to claim 1, characterized in that: The drainage component (10) comprises a cylindrical tube (13) and an annular groove (14); the annular groove (14) is arranged at the middle and lower part of the outer side of the cylindrical tube (13) to divide the cylindrical tube (13) into an upper cylindrical tube (15) and a lower cylindrical tube (16); the upper cylindrical tube (15), the annular groove (14) and the inner wall of the boss (6) form a water storage chamber (12).

3. A tower crab breeding device according to claim 2, characterized in that: The siphon component (11) comprises an outer plate (17), a bottom plate (18), an upper cover (19) and a partition plate 1 (20), wherein the outer plate (17) is arranged on the inner side of the cylindrical tube (13), the partition plate 1 (20) divides the cavity outer plate (17) and the cylindrical tube (13) into a cavity 1 (21) and a cavity 2 (22), the cavity upper cover (19) is arranged on the upper part of the space formed by the cavity outer plate (17) and the cylindrical tube (13), and the bottom plate (18) is arranged on the cavity 1 (21). 1) The bottom is flush with the annular groove (14); a through hole (23) is provided on the upper cylindrical tube (15) near the annular groove (14); the through hole (23) is connected to the cavity (21); the top of the partition plate (27) is lower than the outer plate (17); the lower end of the cavity (21) is connected to the water storage cavity (12); the upper end of the cavity (22) is connected to the upper end of the cavity (21); the lower end is connected to the atmosphere; and the bottom of the cavity (22) is lower than the bottom plate (4) of the breeding box (1).

4. A tower crab breeding device according to claim 3, characterized in that: A water limiting ring (24) is provided at the connection point between the drainage port (9) and the water storage chamber (12); the water limiting ring (24) is provided on an inner wall of the boss (6); the height of the water limiting ring (24) is higher than the drainage port (9); and a hole (25) is provided on the upper part of the water limiting ring (24).

5. A tower crab breeding device according to any one of claims 1 to 4, characterized in that: The breeding box (1) is provided with 1 to 8 breeding chambers (26), the breeding chambers (26) are separated from each other by a second partition plate (27), and the water diversion channel (8) is provided on the second partition plate (27).

6. A tower crab breeding device according to claim 5, characterized in that: A dry area (28) and a wet area (29) are provided in the culture chamber (26); the dry area (28) is higher than the wet area (29); and the end of the water diversion channel (8) not connected to the water distribution plate (7) is provided at the dry area (28).

7. A tower crab breeding device according to claim 6, characterized in that: The breeding box (1) is provided with an observation window (30), and the observation window (30) and the side panel (5) are arranged at an angle, so that the breeding box (1) is polygonal.

8. A tower crab breeding device according to claim 7, characterized in that: The breeding device comprises 2-8 breeding boxes (1), wherein the breeding boxes (1) are stacked up and down, and the siphon components (11) of two breeding boxes (1) adjacent to each other are staggered.

9. A tower crab breeding device according to claim 8, characterized in that: The lower cylindrical tube (16) is provided with a second through hole (31), the annular groove (14) is provided with a water inlet pipe opening (32), the drainage component (10) of the upper culture box (1) is arranged on the lower water distribution plate (7), the water inlet pipe opening (32) is connected to the lower water distribution plate (7), and the water supply mechanism (2) also includes a water supply pipe, which is arranged in a central hollow portion of the boss (6), passes through the second through hole (31) of the upper culture box (1) and is connected to the water inlet pipe opening (32) of the lower culture box (1).

10. The tower crab breeding device according to claim 5, characterized in that: A light strip groove (33) is provided at the stacking position of the upper breeding box (1) and the lower breeding box (1); the light strip groove (33) is annular, the inner circle of which is clamped on a boss (6) and the outer circle of which is clamped on a partition plate (20); a light strip is provided in the light strip groove (33).

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