Pit digging device for planting

Abstract

The utility model relates to the technical field of crop planting, and provides a pit digging device for planting, which comprises a pit digging assembly, the pit digging assembly comprises a shell, an inner cavity, a rotating rod, a spiral blade, a rotating handle and a positioning cone, the inner cavity is arranged in the shell, the rotating rod is arranged in the inner cavity, and the spiral blade is arranged in the rotating rod. A spiral blade is fixed to the outer wall of the bottom of the rotating rod, and the top end of the rotating rod extends out of the shell and is fixedly provided with a rotating handle. Through the arrangement of the guide structure, the top of the rotating rod can be in threaded connection with the threaded sleeve, when the rotating rod rotates, the threaded sleeve can play a role in limiting the rotating rod, the rotating rod is prevented from deviating during ascending or descending, and the rotating rod can be limited by mutual contact of the balls and the inner wall of the shell; and meanwhile, the friction force between the limiting plate and the shell is reduced, so that the device has a function of conveniently guiding the rotating rod, and the stability of the pit digging device for planting during use is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of crop planting, particularly relates to a planting hole digger. BACKGROUND

[0002] With the advancement of agricultural modernization, agricultural production efficiency becomes a key factor. As a link with high labor intensity and time consumption in the planting process, the efficiency of hole digging directly affects the speed and quality of the whole planting process. Therefore, in order to improve the hole digging efficiency and reduce the labor intensity of farmers, a planting hole digger needs to be designed;

[0003] Therefore, the patent with publication number CN221127885U discloses a planting hole digger, which comprises an operating frame, a support assembly is fixedly arranged at the bottom of the operating frame, the support assembly comprises a support rod and an adjusting ring, the support rod is movably sleeved on the adjusting ring, the support rod comprises a sleeve ring, a connecting rod is fixedly arranged at the bottom of the sleeve ring, a connecting barrel is movably sleeved at the outer side of the bottom of the connecting rod, a material collecting assembly is arranged at the bottom of the connecting barrel, and the material collecting assembly comprises a support bone plate and an elastic curtain. The material collecting assembly is abutted on the outer side of the position where the hole needs to be dug through the support assembly. When the operator presses down the operating frame to drive the helical blade to dig the hole, the soil that falls is collected on the support bone plate and the elastic curtain. The inner side of the support assembly is provided with a supporting spring, so that the supporting spring can be shortened with the pressing down of the operating frame. After the hole digging is completed, the soil brought out by the hole digging machine is collected on the material collecting assembly, and the operator can conveniently clean or backfill the soil.

[0004] The planting hole digger in the above needs to be designed because the helical blade thereof is prone to deviation when rotating to dig the hole. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a planting hole digger to solve the defect that the helical blade of the existing planting hole digger is prone to deviation when rotating to dig the hole.

[0006] In order to solve the above technical problem, the utility model provides the following technical scheme: a planting hole digger, which comprises a hole digging assembly;

[0007] The hole digging assembly comprises an outer shell, an inner cavity, a rotating rod, a helical blade, a handle and a positioning cone. The inner cavity is arranged in the outer shell. The rotating rod is arranged in the inner cavity. The helical blade is fixedly arranged on the outer wall of the bottom of the rotating rod. The handle is fixedly arranged at the top end of the rotating rod and extends to the outside of the outer shell. The positioning cone is fixedly arranged at the bottom end of the rotating rod.

[0008] The outer side of the rotating rod is provided with a guide structure, the guide structure comprises a threaded sleeve, a limiting plate and a ball, the threaded sleeve is fixed to the top end of the shell, the limiting plate is fixed to the outer wall of the rotating rod at the top of the inner cavity, and the outer side wall of the limiting plate is uniformly provided with the balls;

[0009] The bottom end of the shell is fixed with a supporting structure.

[0010] Further, the central axis of the rotating rod and the central axis of the positioning cone are collinear, the rotating rod and the shell are slidingly connected, and the main view section of the positioning cone is designed in a triangular shape.

[0011] Further, the threaded sleeve and the rotating rod are threadedly connected, and the balls are distributed at equal intervals on the outer side of the limiting plate.

[0012] Further, the main view section of the ball is designed in a semicircular shape, and the outer side of the ball and the inner wall of the shell are in contact with each other.

[0013] Further, the supporting structure comprises supporting rods, positioning rings and ground nails, the supporting rods are uniformly fixed to the edge positions of the bottom end of the shell, the bottom end of the supporting rod is fixed with the positioning ring, and the bottom end of the positioning ring is uniformly fixed with the ground nail.

[0014] Further, the main view section of the supporting rod is designed in an inclined manner, and the supporting rods are distributed at equal intervals at the bottom end of the shell.

[0015] Further, the central axis of the positioning ring and the central axis of the shell are collinear.

[0016] The digging device for planting has the advantages that:

[0017] The top of the rotating rod can be threadedly connected with the threaded sleeve, the threaded sleeve can limit the rotating rod when the rotating rod rotates, the offset of the rotating rod during rising or falling can be avoided, the ball and the inner wall of the shell are in contact with each other, the limiting effect of the rotating rod can be achieved, the friction between the limiting plate and the shell is reduced, the device has the function of guiding the rotating rod, and the stability of the digging device for planting during use is improved.

[0018] The ground nails are inserted into the ground, the positioning ring can limit and position the position where the digging is needed, the inaccurate position during digging can be avoided, the ground nails can increase the grip between the shell and the ground, the stability of the device during digging is improved, the device has the functions of positioning and gripping, and the convenience of the digging device for planting during use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1The whole three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 The whole three-dimensional structure schematic diagram of the utility model;

[0021] Figure 3 The front view cross section structure schematic diagram of the utility model;

[0022] Figure 4 The front view cross section three-dimensional structure schematic diagram of the utility model;

[0023] Figure 5 The top view cross section structure schematic diagram of the utility model.

[0024] The figure mark explanation: 1, pit digging assembly;11, shell;12, inner chamber;13, rotating rod;14, spiral blade;15, handle;16, positioning cone;2, guide structure;21, threaded sleeve;22, limiting plate;23, ball;3, support structure;31, support rod;32, positioning ring;33, ground nail. Specific implementation

[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0026] Please refer to Figures 1-5 The utility model provides a kind of pit digger for planting, including pit digging assembly 1.

[0027] Refer to Figures 1-5The digging assembly 1 comprises an outer shell 11, an inner cavity 12, a rotating rod 13, a spiral blade 14, a rotating handle 15 and a positioning cone 16, the inner cavity 12 is formed in the outer shell 11, the rotating rod 13 is arranged in the inner cavity 12, the spiral blade 14 is fixed to the outer wall of the bottom of the rotating rod 13, the rotating handle 15 is fixed to the top end of the rotating rod 13 extending to the outside of the outer shell 11, the positioning cone 16 is fixed to the bottom end of the rotating rod 13, the outer side of the rotating rod 13 is provided with a guide structure 2, the guide structure 2 comprises a threaded sleeve 21, a limiting plate 22 and a ball 23, the threaded sleeve 21 is fixed to the top end of the outer shell 11, the limiting plate 22 is fixed to the outer wall of the rotating rod 13 at the top of the inner cavity 12, the limiting plate 22 is uniformly provided with the balls 23 on the outer side wall, the central axis of the rotating rod 13 is collinear with the central axis of the positioning cone 16, the rotating rod 13 is slidingly connected with the outer shell 11, the main view section of the positioning cone 16 is designed in a triangular shape, the threaded sleeve 21 is threadedly connected with the rotating rod 13, the balls 23 are equidistantly distributed on the outer side of the limiting plate 22, the main view section of the ball 23 is designed in a semicircular shape, and the outer side of the ball 23 is in contact with the inner wall of the outer shell 11.

[0028] The top of the rotating rod 13 can be threadedly connected with the threaded sleeve 21, the threaded sleeve 21 can limit the rotating rod 13 when the rotating rod 13 rotates, so that the rotating rod 13 is prevented from deviating when ascending or descending, and the balls 23 and the inner wall of the outer shell 11 are in contact with each other, so that the rotating rod 13 is limited and the friction between the limiting plate 22 and the outer shell 11 is reduced.

[0029] With reference to Figures 1-5 The bottom end of the outer shell 11 is fixed with a supporting structure 3, the supporting structure 3 comprises supporting rods 31, positioning rings 32 and ground nails 33, the supporting rods 31 are uniformly fixed to the edge positions of the bottom end of the outer shell 11, the bottom end of each supporting rod 31 is fixed with a positioning ring 32, and the bottom end of each positioning ring 32 is uniformly fixed with a ground nail 33, the main view section of the supporting rod 31 is designed in an inclined manner, the supporting rods 31 are equidistantly distributed at the bottom end of the outer shell 11, and the central axis of the positioning ring 32 is collinear with the central axis of the outer shell 11.

[0030] The ground nails 33 are inserted into the ground, the positioning rings 32 can limit and position the position where the pit is to be dug, so that the position is prevented from being inaccurate when the pit is dug, and the ground nails 33 can increase the grip between the outer shell 11 and the ground, thereby increasing the stability of the device when the pit is dug.

[0031] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or equivalently replace part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A planting hole digger comprising a hole digging assembly (1); Characterized in that: The hole digging assembly (1) comprises a shell (11), an inner cavity (12), a rotating rod (13), a spiral blade (14), a handle (15) and a positioning cone (16), the inner cavity (12) is opened in the shell (11), the rotating rod (13) is arranged in the inner cavity (12), the spiral blade (14) is fixed on the outer wall of the bottom of the rotating rod (13), the top end of the rotating rod (13) extends to the outside of the shell (11) and is fixed with the handle (15), and the bottom end of the rotating rod (13) is fixed with the positioning cone (16). The outer side of the rotating rod (13) is provided with a guide structure (2), the guide structure (2) comprises a threaded sleeve (21), a limiting plate (22) and a ball (23), the threaded sleeve (21) is fixed on the top end of the shell (11), the limiting plate (22) is fixed on the outer wall of the rotating rod (13) at the top of the inner cavity (12), and the outer side wall of the limiting plate (22) is uniformly provided with the ball (23). The bottom end of the shell (11) is fixed with a supporting structure (3).

2. A hole digger for planting according to claim 1 wherein: The central axis of the rotating rod (13) and the central axis of the positioning cone (16) are collinear, the rotating rod (13) and the shell (11) are slidingly connected, and the main view section of the positioning cone (16) is designed in a triangular shape.

3. The hole digger of claim 1 wherein: The threaded sleeve (21) and the rotating rod (13) are threadedly connected, and the balls (23) are distributed at equal intervals on the outer side of the limiting plate (22).

4. The hole digger of claim 1 wherein: The main view section of the ball (23) is designed in a semicircular shape, and the outer side of the ball (23) and the inner wall of the shell (11) are in contact with each other.

5. The hole digger of claim 1 wherein: The supporting structure (3) comprises a supporting rod (31), a positioning ring (32) and a ground nail (33), the supporting rod (31) is uniformly fixed at the edge position of the bottom end of the shell (11), the bottom end of the supporting rod (31) is fixed with the positioning ring (32), and the bottom end of the positioning ring (32) is uniformly fixed with the ground nail (33).

6. A hole digger for planting purposes according to claim 5 wherein: The main view section of the supporting rod (31) is designed in an inclined manner, and the supporting rods (31) are distributed at equal intervals at the bottom end of the shell (11).

7. A hole digger for planting purposes according to claim 5 wherein: The central axis of the positioning ring (32) is collinear with the central axis of the shell (11).

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