Ornamental sunflower hole sowing device
By designing a seeding device with a seeding wheel and seed box, the problems of the existing device's endurance and size were solved, achieving lightweight and flexible ornamental sunflower seeding and reducing costs.
Patent Information
- Application Number
- CN202420854414.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-04-24
AI Technical Summary
Existing ornamental sunflower seeding devices require a power supply, have limited battery life, are bulky and inconvenient to move, and have high purchase costs.
A seeding device including a seeding wheel, a seed box, and a handle was designed. The seeding wheel has tubes on both sides. Seeds enter the inside of the seeding wheel through the seed box and are inserted into the soil through the rotating tubes of the seeding wheel for sowing. The seeding wheel can be disassembled and the tubes with different spacings can be replaced. The counterweight cylinder has counterweights for easy movement.
The device has been miniaturized and lightweighted, making it easier for workers to move around on the land, improving sowing efficiency and flexibility, and reducing purchase costs.
Smart Images

Figure CN222322185U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of hole-seeding tools, and in particular relates to an ornamental sunflower hole-seeding device. Background Art
[0002] Ornamental sunflower is an annual herbaceous plant of the genus Helianthus in the Asteraceae family. It has aliases such as sun flower, sunflower, and sunflower. It likes warm and sunny environment, has strong adaptability, and is resistant to drought, fertilizer, and poor soil, but not to waterlogging. It prefers fertile and loose soil. The main method of reproduction is sowing.
[0003] The conventional planting method requires digging holes in the soil and then sowing the ornamental sunflower seeds in the dug holes. This planting method is also called hole sowing. In order to improve the planting efficiency of ornamental sunflowers, hole sowing equipment is often used in the current ornamental sunflower planting.
[0004] The Chinese patent authorization announcement number CN214628036U discloses an ornamental sunflower efficient hole sowing device, including a box body, threaded rods are connected to both sides of the box body, the threaded rods are located above the movable hole, a plurality of discharge hoppers are connected between the two threaded rods along the length direction, the bottom end of each discharge pipe is located in the discharge hopper, and both sides of each discharge hopper on the threaded rod are connected with adjustment nuts, a second fixed block is connected to the box body, an electric telescopic rod is connected to the second fixed block, the telescopic end of the electric telescopic rod is connected to a connecting plate, and a plurality of plugs are connected to the connecting plate at equal intervals along the length direction, a battery block is connected to the bottom end of the box body, and a switch is connected to the box body. This ornamental sunflower efficient hole sowing device discharges seeds through multiple discharge hoppers to increase the sowing speed, and at the same time, loosens the adjustment nut to adjust the spacing between the discharge hoppers, and tightens the adjustment nut after the spacing is determined to fix the discharge hopper, and the spacing between the seeds can be adjusted.
[0005] Although the ornamental sunflower efficient hole seeding device provided by the above patent can improve the planting efficiency of ornamental sunflowers, the existing hole seeding device requires a power supply, has limited endurance, and is large in size, making it inconvenient for workers to push it back and forth on the land. For ordinary growers, the purchase cost of this structure of the hole seeding device is high. Utility Model Content
[0006] The utility model aims to provide an ornamental sunflower hole-seeding device to solve the problems in the above-mentioned background technology that the existing ornamental sunflower hole-seeding device requires power supply, has limited endurance, is large in size, and is inconvenient for workers to push and move it back and forth on the land.
[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0008] An ornamental sunflower hole sowing device comprises a sowing wheel, which is provided with openings at both ends, and a plurality of insert pipes are evenly arranged on the side of the sowing wheel, and baffles are installed at the openings at both ends of the sowing wheel, and a curved pipe is rotatably connected to the middle of the baffle, and a seed box is installed above the sowing wheel, and the bottom of the seed box is connected to two curved pipes by plugging, and the inner cavity of the seed box is communicated with the inner side of the sowing wheel through the curved pipe, and a handle is connected to the top of the seed box, and the handle is detachably connected to the seed box.
[0009] Preferably, a plurality of slots are evenly arranged on the side of the seeding wheel, the insert tube has a conical structure, and the outer end opening of the insert tube is communicated with the inner side of the seeding wheel.
[0010] Preferably, an adapter is provided in the middle of the baffle, a bearing is provided in the middle of the adapter, and an insert plate is provided on a side of the baffle facing the seeding wheel, and the insert plate is inserted into the inner side of the seeding wheel.
[0011] Preferably, the baffle is evenly provided with a plurality of clamping plates aligned with the position of the clamping slot, the clamping plates are clamped in the inner side of the clamping slot, and the side surfaces of the clamping plates are provided with top screws.
[0012] Preferably, a transfer tube is provided at one end of the bent pipe facing the baffle, a ball valve is connected to the other end of the bent pipe, and a clamping bolt is provided on the side of the tube body at the top of the ball valve.
[0013] Preferably, flow guide pipes are provided on both sides of the bottom end of the seed box, the flow guide pipes are communicated with the interior of the seed box, and a plug-in tube is provided at the bottom end of the flow guide pipe, the plug-in tube is inserted into the top end of the bent pipe, and the clamping bolts are against the side of the plug-in tube.
[0014] Preferably, a feed port is provided at the top of the seed box, a sealing cover is provided at the top of the feed port, and the sealing cover is threadedly connected to the feed port; limit plates are symmetrically provided on both sides of the top of the seed box, the limit plates are L-shaped, and a plurality of positioning bolts are provided on the upper surface of the limit plates.
[0015] Preferably, connecting plates are symmetrically provided at both ends of the handle, a mounting plate is provided at the bottom end of the connecting plate, the mounting plate is engaged with the inner side of the limiting plate, and the positioning bolt is against the mounting plate.
[0016] Preferably, a plurality of transfer platforms are provided on both sides of the seed box near the top, a transfer groove is provided in the middle of the transfer platform, a counterweight cylinder is threadedly connected to the transfer groove, and a plurality of counterweight blocks are provided inside the counterweight cylinder.
[0017] Preferably, a connecting platform is provided on the side of the counterweight cylinder, a stud is provided in the middle of the connecting platform, and the stud is threadedly connected to the adapter groove.
[0018] Compared with the prior art, the beneficial effects of the utility model are:
[0019] 1. The utility model is small in size and light in weight, and the staff can easily push the utility model to move on the land to sow the ornamental sunflowers.
[0020] 2. The sowing wheel of the utility model is equipped with baffles on both sides, and a bend pipe is connected in the middle of the baffle. The top of the bend pipe is connected to a seed box. The seeds enter the inner side of the sowing wheel through the seed box. The side of the sowing wheel is provided with a plug. The plug can be inserted into the soil through the rotation of the sowing wheel, so as to achieve the purpose of sowing ornamental sunflower seeds. The plugs are arranged equidistantly, so that the ornamental sunflower seeds can be sown equidistantly in the soil; at the same time, the rear end of the sowing wheel can be disassembled and replaced with a sowing wheel with plugs of different spacings, which has high flexibility in use.
[0021] 3. The utility model is provided with a counterweight cylinder, and a counterweight block is installed inside the counterweight cylinder, which is convenient for applying pressure to the bottom sowing wheel so that the sowing wheel rolls on the land to sow the ornamental sunflowers. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0023] Figure 2 This is a structural schematic diagram of the seeding wheel in the utility model;
[0024] Figure 3 This is a schematic diagram of the structure of the middle baffle of the utility model;
[0025] Figure 4 This is a schematic diagram of the structure of the elbow in the utility model;
[0026] Figure 5 This is a schematic diagram of the structure of the seed box in the utility model;
[0027] Figure 6 This is a schematic diagram of the structure of the handle in the utility model;
[0028] Figure 7 It is a structural schematic diagram of the counterweight cylinder in the utility model.
[0029] In the figure: 1. seeding wheel; 11. insert; 12. slot; 2. baffle; 21. adapter; 22. bearing; 23. insert; 24. clamp; 25. top screw; 3. elbow; 31. ball valve; 32. clamping bolt; 33. adapter tube; 4. seed box; 41. guide tube; 42. insert tube; 43. feed port; 44. cover; 45. limit plate; 46. positioning bolt; 47. adapter platform; 48. adapter slot; 5. handle; 51. connecting plate; 52. mounting plate; 6. counterweight cylinder; 61. connecting platform; 62. stud; 7. counterweight block. DETAILED DESCRIPTION
[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1
[0031] See also Figure 1 The utility model provides an ornamental sunflower hole sowing device, including a sowing wheel 1, the sowing wheel 1 is provided with openings at both ends, and a plurality of inserting tubes 11 are evenly arranged on the side of the sowing wheel 1. The sowing wheel 1 with this structure is convenient for inserting the inserting tubes 11 into the soil during the rotation process, so as to achieve the purpose of planting the ornamental sunflower. And baffles 2 are installed at the openings at both ends of the sowing wheel 1, and the baffles 2 cooperate with the sowing wheel 1 to facilitate the disassembly and assembly of the sowing wheel 1, and to facilitate the use of the sowing wheel 1. A curved pipe 3 is rotatably connected in the middle of the baffle 2, and a seed box 4 is installed above the sowing wheel 1. The bottom of the seed box 4 is connected with two curved pipes 3 by plugging. The curved pipe 3 is convenient for the seed box 4 to be connected with the sowing wheel 1 and the baffle 2, and it is convenient for the seeds inside the seed box 4 to enter the inner side of the sowing wheel 1. The inner cavity of the seed box 4 is connected to the inner side of the sowing wheel 1 through the curved pipe 3, and the top of the seed box 4 is connected with a handle 5. The seed box 4 cooperates with the handle 5 to facilitate holding the seed box 4 and pushing the entire seed box 4 to move. The handle 5 is detachably connected to the seed box 4, and the handle 5 of different sizes can be conveniently disassembled and replaced.
[0032] See also Figure 2 The side of the sowing wheel 1 is evenly provided with a plurality of slots 12, which are convenient for the sowing wheel 1 to be connected with the baffle 2. The insert 11 is a conical structure, and the outer end opening of the insert 11 is connected to the inner side of the sowing wheel 1; this structure facilitates the insert 11 to be smoothly inserted into the soil, thereby facilitating the sowing of seeds into the soil.
[0033] See also Figure 3 , an adapter 21 is provided in the middle of the baffle 2, and a bearing 22 is provided in the middle of the adapter 21. The adapter 21 cooperates with the bearing 22 to facilitate the rotational connection between the elbow 3 and the baffle 2. A plug plate 23 is provided on the side of the baffle 2 facing the seeding wheel 1, and the plug plate 23 is inserted into the inner side of the seeding wheel 1; this structure ensures that the baffle 2 is stably connected to the seeding wheel 1. The baffle 2 is evenly provided with a plurality of card plates 24 aligned with the position of the card slot 12, and the card plates 24 are engaged with the inner side of the card slot 12, and a top screw 25 is provided on the side of the card plate 24; the card plates 24 cooperate with the top screw 25 to facilitate the contact with the seeding wheel 1, thereby ensuring that the baffle 2 is stably at the openings at both ends of the seeding wheel 1.
[0034] See also Figure 4The end of the curved pipe 3 facing the baffle 2 is provided with a transfer pipe 33, which is convenient for the curved pipe 3 to be rotatably connected to the baffle 2. The other end of the curved pipe 3 is connected with a ball valve 31, which is convenient for controlling the seeds to enter the inner side of the sowing wheel 1. The side of the pipe body at the top of the ball valve 31 is provided with a clamping bolt 32, which is convenient for the curved pipe 3 to be stably connected to the inside of the seed box 4.
[0035] See also Figure 5 , flow guide tubes 41 are provided on both sides of the bottom of the seed box 4, and the flow guide tubes 41 are communicated with the inside of the seed box 4, and a plug-in tube 42 is provided at the bottom of the flow guide tube 41, and the plug-in tube 42 is inserted into the top of the curved tube 3, and the clamping bolt 32 is against the side of the plug-in tube 11; the flow guide tube 41 cooperates with the plug-in tube 42 to facilitate the insertion of the seed box 4 and the top opening of the curved tube 3, and to facilitate the installation and fixation of seeds. A feed port 43 is provided at the top of the seed box 4, and a cover 44 is provided at the top of the feed port 43, and the feed port 43 is convenient for injecting seeds into the seed box 4; the cover 44 is threadedly connected to the feed port 43; the cover 44 is convenient for blocking the feed port 43 to ensure that the seeds inside are sufficiently stable. Limiting plates 45 are symmetrically provided on both sides of the top of the seed box 4, and the limiting plates 45 are L-shaped, and a plurality of positioning bolts 46 are provided on the upper surface of the limiting plates 45; the cooperation of the limiting plates 45 and the positioning bolts 46 is convenient for connecting the seed box 4 with the handle 5, and also convenient for the disassembly and replacement of the handle 5.
[0036] See also Figure 6 Connecting plates 51 are symmetrically provided at both ends of the handle 5, and a mounting plate 52 is provided at the bottom end of the connecting plate 51. The mounting plate 52 is engaged with the inner side of the limiting plate 45, and the positioning bolt 46 is against the mounting plate 52. This structure facilitates the installation and disassembly of the handle 5, and is convenient for correcting the handle 5 according to different usage requirements.
[0037] Working principle: When in use, the required seeds are introduced into the seed box 4, and then the ball valve 31 is used to adjust the rate at which the seeds enter the inner side of the sowing wheel 1. Then the staff pushes the sowing wheel 1 so that the insert 11 of the sowing wheel 1 is inserted into the soil. After the insert 11 is inserted into the soil, the ornamental sunflower seeds will be planted in the soil through the insert 11. Compared with the prior art, the present application has baffles 2 installed on both sides of the sowing wheel 1, and the middle part of the baffle 2 is connected with a bend 3, and the top of the bend 3 is connected to the seed box 4. The seeds enter the inner side of the sowing wheel 1 through the seed box 4, and the side of the sowing wheel 1 is provided with an insert 11. The insert 11 is inserted into the soil through the rotation of the sowing wheel 1, so as to achieve the purpose of sowing the ornamental sunflower seeds. And the inserts 11 are arranged equidistantly, so that the sown ornamental sunflower seeds can be sown equidistantly in the soil. At the same time, the rear end of the sowing wheel 1 can be disassembled and replaced with inserts 11 of different spacings, and the sowing wheel 1 has high flexibility in use. Therefore, compared with the prior art, the utility model has a small size and a light weight, and the staff can conveniently push the utility model to move on the land to perform the sowing operation of the ornamental sunflower. Example 2
[0038] See also Figure 1 The utility model provides an ornamental sunflower hole sowing device, including a sowing wheel 1, the sowing wheel 1 is provided with openings at both ends, and a plurality of inserting tubes 11 are evenly arranged on the side of the sowing wheel 1. The sowing wheel 1 with this structure is convenient for inserting the inserting tubes 11 into the soil during the rotation process, so as to achieve the purpose of planting the ornamental sunflower. And baffles 2 are installed at the openings at both ends of the sowing wheel 1, and the baffles 2 cooperate with the sowing wheel 1 to facilitate the disassembly and assembly of the sowing wheel 1, and to facilitate the use of the sowing wheel 1. A curved pipe 3 is rotatably connected in the middle of the baffle 2, and a seed box 4 is installed above the sowing wheel 1. The bottom of the seed box 4 is connected with two curved pipes 3 by plugging. The curved pipe 3 is convenient for the seed box 4 to be connected with the sowing wheel 1 and the baffle 2, and it is convenient for the seeds inside the seed box 4 to enter the inner side of the sowing wheel 1. The inner cavity of the seed box 4 is connected to the inner side of the sowing wheel 1 through the curved pipe 3, and the top of the seed box 4 is connected with a handle 5. The seed box 4 cooperates with the handle 5 to facilitate holding the seed box 4 and pushing the entire seed box 4 to move. The handle 5 is detachably connected to the seed box 4, and the handle 5 of different sizes can be conveniently disassembled and replaced.
[0039] See also Figure 2 The side of the sowing wheel 1 is evenly provided with a plurality of slots 12, which are convenient for the sowing wheel 1 to be connected with the baffle 2. The insert 11 is a conical structure, and the outer end opening of the insert 11 is connected to the inner side of the sowing wheel 1; this structure facilitates the insert 11 to be smoothly inserted into the soil, thereby facilitating the sowing of seeds into the soil.
[0040] See also Figure 3 , an adapter 21 is provided in the middle of the baffle 2, and a bearing 22 is provided in the middle of the adapter 21. The adapter 21 cooperates with the bearing 22 to facilitate the rotational connection between the elbow 3 and the baffle 2. A plug plate 23 is provided on the side of the baffle 2 facing the seeding wheel 1, and the plug plate 23 is inserted into the inner side of the seeding wheel 1; this structure ensures that the baffle 2 is stably connected to the seeding wheel 1. The baffle 2 is evenly provided with a plurality of card plates 24 aligned with the position of the card slot 12, and the card plates 24 are engaged with the inner side of the card slot 12, and a top screw 25 is provided on the side of the card plate 24; the card plates 24 cooperate with the top screw 25 to facilitate the contact with the seeding wheel 1, thereby ensuring that the baffle 2 is stably at the openings at both ends of the seeding wheel 1.
[0041] See also Figure 4 The end of the curved pipe 3 facing the baffle 2 is provided with a transfer pipe 33, which is convenient for the curved pipe 3 to be rotatably connected to the baffle 2. The other end of the curved pipe 3 is connected with a ball valve 31, which is convenient for controlling the seeds to enter the inner side of the sowing wheel 1. The side of the pipe body at the top of the ball valve 31 is provided with a clamping bolt 32, which is convenient for the curved pipe 3 to be stably connected to the inside of the seed box 4.
[0042] See also Figure 5, a guide tube 41 is provided on both sides of the bottom of the seed box 4, the guide tube 41 is communicated with the inside of the seed box 4, and a plug-in tube 42 is provided at the bottom of the guide tube 41, the plug-in tube 42 is inserted into the top of the curved tube 3, and the clamping bolt 32 is against the side of the plug-in tube 11; the guide tube 41 cooperates with the plug-in tube 42 to facilitate the insertion of the seed box 4 and the top opening of the curved tube 3, and to facilitate the installation and fixation of seeds. A feed port 43 is provided at the top of the seed box 4, and a cover 44 is provided at the top of the feed port 43, and the feed port 43 is convenient for injecting seeds into the seed box 4. The cover 44 is threadedly connected to the feed port 43, and the cover 44 is convenient for blocking the feed port 43 to ensure that the seeds inside are sufficiently stable. Limiting plates 45 are symmetrically provided on both sides of the top of the seed box 4, the limiting plates 45 are L-shaped, and a plurality of positioning bolts 46 are provided on the upper surface of the limiting plates 45; the cooperation of the limiting plates 45 and the positioning bolts 46 is convenient for connecting the seed box 4 with the handle 5, and also convenient for the disassembly and replacement of the handle 5.
[0043] See also Figure 6 Connecting plates 51 are symmetrically provided at both ends of the handle 5, and a mounting plate 52 is provided at the bottom end of the connecting plate 51. The mounting plate 52 is engaged with the inner side of the limiting plate 45, and the positioning bolt 46 is against the mounting plate 52. This structure facilitates the installation and disassembly of the handle 5, and is convenient for correcting the handle 5 according to different usage requirements.
[0044] See also Figure 1 and Figure 5 A plurality of transfer platforms 47 are provided on both sides of the seed box 4 near the top, a transfer groove 48 is provided in the middle of the transfer platform 47, a counterweight cylinder 6 is threadedly connected to the transfer groove 48, and a plurality of counterweight blocks 7 are provided inside the counterweight cylinder 6; the cooperation between the transfer platform 47 and the transfer groove 48 is convenient for installing the counterweight cylinder 6, thereby facilitating the disassembly and assembly and use of the counterweight cylinder 6, and facilitating the disassembly and assembly of the counterweight cylinder 6 according to usage requirements.
[0045] See also Figure 7 A connecting platform 61 is provided on the side of the counterweight cylinder 6, and a stud 62 is provided in the middle of the connecting platform 61, and the stud 62 is threadedly connected to the adapter groove 48; this structure facilitates the smooth installation of the counterweight cylinder 6 on the connecting platform 61, ensuring the stable installation and use of the counterweight cylinder 6.
[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An ornamental sunflower seeding device, comprising a seeding wheel (1), characterized in that: The seeding wheel (1) is provided with openings at both ends, a plurality of insert pipes (11) are evenly arranged on the side of the seeding wheel (1), and baffles (2) are installed at the openings at both ends of the seeding wheel (1), a curved pipe (3) is rotatably connected to the middle of the baffle (2), a seed box (4) is installed above the seeding wheel (1), the bottom of the seed box (4) is plug-connected to the two curved pipes (3), the inner cavity of the seed box (4) is connected to the inner side of the seeding wheel (1) through the curved pipe (3), and a handle (5) is connected to the top of the seed box (4), and the handle (5) is detachably connected to the seed box (4).
2. The ornamental sunflower seeding device according to claim 1, characterized in that: A plurality of slots (12) are evenly arranged on the side of the seeding wheel (1); the insert tube (11) is of a conical structure, and the outer end opening of the insert tube (11) is in communication with the inner side of the seeding wheel (1).
3. The ornamental sunflower seeding device according to claim 2, characterized in that: An adapter (21) is provided in the middle of the baffle (2), a bearing (22) is provided in the middle of the adapter (21), and an insert plate (23) is provided on a side of the baffle (2) facing the seeding wheel (1), the insert plate (23) being inserted into the inner side of the seeding wheel (1).
4. The ornamental sunflower seeding device according to claim 3, characterized in that: The baffle (2) is evenly provided with a plurality of clamping plates (24) at positions aligned with the clamping slot (12); the clamping plates (24) are clamped inside the clamping slot (12); and a top screw (25) is provided on the side surface of the clamping plate (24).
5. The ornamental sunflower seeding device according to claim 1, characterized in that: A transfer tube (33) is provided at one end of the curved tube (3) facing the baffle (2), and a ball valve (31) is connected to the other end of the curved tube (3). A clamping bolt (32) is provided on the side surface of the tube body at the top end of the ball valve (31).
6. The ornamental sunflower seeding device according to claim 5, characterized in that: The seed box (4) is provided with flow guide pipes (41) on both sides of the bottom end, the flow guide pipes (41) are communicated with the inside of the seed box (4), and the bottom end of the flow guide pipe (41) is provided with a plug-in pipe (42), the plug-in pipe (42) is inserted into the top end of the bent pipe (3), and the clamping bolt (32) is against the side of the plug-in pipe (11).
7. The ornamental sunflower seeding device according to claim 6, characterized in that: The top of the seed box (4) is provided with a feed port (43), the top of the feed port (43) is provided with a cover (44), and the cover (44) is threadedly connected to the feed port (43); limit plates (45) are symmetrically provided on both sides of the top of the seed box (4), the limit plates (45) are L-shaped, and a plurality of positioning bolts (46) are provided on the upper surface of the limit plates (45).
8. The ornamental sunflower seeding device according to claim 7, characterized in that: Connecting plates (51) are symmetrically provided at both ends of the handle (5), a mounting plate (52) is provided at the bottom end of the connecting plate (51), the mounting plate (52) is engaged with the inner side of the limiting plate (45), and the positioning bolt (46) abuts against the mounting plate (52).
9. The ornamental sunflower seeding device according to any one of claims 1 to 8, characterized in that: A plurality of transfer platforms (47) are provided at positions close to the top end on both sides of the seed box (4), a transfer groove (48) is provided in the middle of the transfer platform (47), a counterweight cylinder (6) is threadedly connected to the transfer groove (48), and a plurality of counterweight blocks (7) are provided inside the counterweight cylinder (6).
10. The ornamental sunflower seeding device according to claim 9, characterized in that: A connecting platform (61) is provided on the side of the counterweight cylinder (6), a stud (62) is provided in the middle of the connecting platform (61), and the stud (62) is threadedly connected to the adapter groove (48).
Citation Information
Patent Citations
Efficient hole sowing device for ornamental sunflower
CN214628036U