CN219161652U

CN219161652U - Adjustable soil sampler

Info

Publication number: CN219161652U
Application number: CN202320103255.5U
Authority: CN
Inventors: 吕成成; 李超; 崔婧; 隋建红; 张义
Original assignee: Shandong Coal Field Geological Planning And Investigation Institute
Current assignee: Shandong Coal Field Geological Planning And Investigation Institute
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-06-09
Anticipated expiration: 2033-02-02

Abstract

The utility model relates to the technical field of soil sampling, in particular to an adjustable soil sampler which comprises a handle and an extension rod inserted in the handle, wherein a shovel head is arranged at the end part of the extension rod, the outer circumferential surface of the handle is provided with a through hole, a claw piece is rotatably connected in the through hole through a pin shaft and a torsion spring piece, a driving piece is arranged on the claw piece, and a matching piece is arranged on the outer circumferential surface of the extension rod.

Description

Adjustable soil sampler

Technical Field

The utility model relates to the technical field of soil sampling, in particular to an adjustable soil sampler.

Background

The soil sampler is a tool for acquiring a soil sample, and is commonly used with an earth auger, a shovel and an iron shovel, and the soil sampler can really meet the requirements of full-layer, equivalent and convenient soil sampling.

The utility model discloses a soil sampling shovel with adjustable like chinese patent publication No. "CN213180736U", including the cover board, the inner chamber of cover board is provided with the diaphragm, the left side of diaphragm extends to the outside of cover board, first screw hole has been seted up on the right side of diaphragm, the inner chamber threaded connection of first screw hole has the threaded rod, the right-hand member of threaded rod runs through to the right side of cover board, the left side fixedly connected with sleeve pipe of diaphragm, sheathed tube inner chamber is provided with the inserted block.

The position adjustment of shovel head is realized to mode that adopts the screw rod to adjust among this technical scheme, but, the screw rod is owing to lack the auto-lock nature, probably appears the possibility of autorotation during the in-service use to influence the regulation precision, secondly, adjusts through the incessantly pivoted mode of bolt, and efficiency is lower.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an adjustable soil sampler.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an adjustable soil sampler is designed, which comprises a handle rod and an extension rod inserted in the handle rod, wherein the end part of the extension rod is provided with a shovel head,

the outer peripheral surface of the handle rod is provided with a through hole, a claw piece is rotatably connected in the through hole through a pin shaft and a torsion spring piece, a driving piece is arranged on the claw piece, a matching piece is arranged on the outer peripheral surface of the extension rod, and the driving piece can be in transmission with the matching piece so that the extension rod and the inner side of the handle rod can move.

Further, the driving member is a gear, the gear is rotatably connected to the free end of the jaw member, and the matching member is a rack arranged on the extension rod, wherein when the jaw member is in a free state, the jaw at the end part of the jaw member can be clamped with the tooth of the rack, and meanwhile, the gear is separated from the rack.

Further, a plane part is further arranged on the outer peripheral surface of the gear, and a protection protrusion is arranged on the outer peripheral surface of the plane part.

Further, the shovel head is rotationally connected with the extension rod, and a locking component is arranged between the shovel head and the extension rod.

Further, the tip of shovel head through connecting seat and round pin axle with the extension pole rotates to be connected, locking assembly including set up in at least two sets of locating holes of seting up in the outside of connecting seat, the extension pole is close to the one end of shovel head is embedded to have spring locating pin subassembly, the round pin axle head of spring locating pin subassembly can the joint in the inboard of locating hole.

Further, the outer peripheral surface of the extension rod is also provided with scale indication marks, and the scale indication marks extend along the axial direction of the extension rod.

Further, the outer peripheral surface of the extension rod is provided with a plane section, the scale indication marks are located on the plane section, and the inner side of the handle rod is provided with a protrusion matched with the plane section.

The adjustable soil sampler provided by the utility model has the beneficial effects that:

according to the utility model, the claw piece arranged on the handle rod is used for fixing the position of the extension rod, when the length of the extension rod needs to be adjusted, the claw of the claw piece is separated from the rack through pressing and rotating, so that the driving adjustment of the position of the extension rod is realized when the gear is rotated, and after the gear is adjusted to a preset position, the gear can be loosened, so that the claw piece is reset under the action of the torsion spring and is clamped with the rack again;

and secondly, as the claw piece structure is adopted in the utility model, compared with the existing screw rod adjusting mode, the problem of autorotation does not occur, thereby further ensuring the adjusting stability and improving the adjustable accuracy of the sampler.

Drawings

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

FIG. 2 is an enlarged schematic view of the area A of FIG. 1;

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

fig. 4 is an enlarged schematic view of the area B of fig. 3.

In the figure: 1. a handle; 2. an extension rod; 21. a mating member; 22. a scale indication mark; 3. a shovel head; 11. a through hole; 12. a jaw member; 13. a driving member; 131. a planar portion; 4. a locking assembly; 41. positioning holes; 42. a spring locator pin assembly.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an adjustable soil sampler comprises a handle 1 and an extension rod 2 inserted into the handle 1, wherein a handle sleeve can be further arranged on the tail end of the handle 1 in the embodiment to enhance the friction force between the handle 1 and the handle;

secondly, a shovel head 3 is arranged at the end part of the extension rod 2, a through hole 11 is formed in the peripheral surface of the handle rod 1, a claw piece 12 is rotatably connected in the through hole 11 through a pin shaft and a torsion spring piece, a driving piece 13 is arranged on the claw piece 12, a matching piece 21 is arranged on the peripheral surface of the extension rod 2, and the driving piece 13 can be in transmission with the matching piece 21 so as to enable the extension rod 2 and the inner side of the handle rod 1 to move.

In more detail, the driving member 13 is a gear rotatably connected to the free end of the jaw member 12, and the matching member 21 is a rack disposed on the extension rod 2, wherein when the jaw member 12 is in a free state, the jaw at the end of the jaw member can be engaged with the tooth of the rack, and meanwhile, the gear is separated from the rack, and at the moment, the gear is in a free state, so that the gear cannot be engaged with the rack, and the engagement and positioning of the extension rod 2 under the engagement of the jaw member 12 are realized, thereby realizing the fixation of the position of the extension rod 2.

Specifically, in the utility model, the jaw member 12 arranged on the handle rod 1 is used for fixing the position of the extension rod 2, when the length of the extension rod 2 needs to be adjusted, the jaw of the jaw member 12 is separated from the rack through pressing and rotating, so that the driving adjustment of the position of the extension rod 2 is realized when the gear is rotated, and after the gear is adjusted to a preset position, the gear can be loosened, so that the jaw member 12 is reset under the action of the torsion spring and is clamped with the rack again.

In more detail, since the gear has teeth on its outer circumferential surface, foreign body sensation is easily generated when the gear is in contact with a finger, the gear may have a flat portion 131 on its outer circumferential surface, and a protective protrusion is provided on the outer circumferential surface of the flat portion 131.

In other words, in the present utility model, in order to facilitate folding and storage of the shovel head 3, the shovel head 3 is rotatably connected to the extension bar 2, and a locking assembly 4 is provided between the shovel head 3 and the extension bar 2.

The end of the shovel head 3 is rotatably connected with the extension rod 2 through a connecting seat and a pin shaft, the locking assembly 4 comprises at least two groups of positioning holes 41 formed in the outer side of the connecting seat, the two groups of positioning holes 41 are respectively used for folding and unfolding the shovel head 3, a spring positioning pin assembly 42 is embedded in one end, close to the shovel head 3, of the extension rod 2, and the pin shaft end of the spring positioning pin assembly 42 can be clamped to the inner side of the positioning hole 41, so that when the shovel head 3 is not used, the shovel head 3 can be stored by pressing the spring positioning pin assembly 42.

Still further, the outer circumferential surface of the extension rod 2 in the utility model is also provided with the scale indication marks 22, the scale indication marks 22 extend along the axial direction of the extension rod 2, and the user can intuitively observe the adjusted length through the arranged scale indication marks 22, so that the adjustment position can be accurately controlled.

In order to avoid the extension rod 2 rotating axially in the handle 1, the outer circumferential surface of the extension rod 2 has a flat section on which the scale indication mark 22 is located, and a protrusion adapted to the flat section is provided on the inner side of the handle 1.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a soil sampler with adjustable, includes handle (1) and peg graft extension rod (2) in this handle (1), the tip of extension rod (2) is provided with shovel head (3), its characterized in that:

the outer peripheral surface of the handle rod (1) is provided with a through hole (11), a claw piece (12) is rotatably connected in the through hole (11) through a pin shaft and a torsion spring piece, a driving piece (13) is arranged on the claw piece (12), a matching piece (21) is arranged on the outer peripheral surface of the extension rod (2), and the driving piece (13) can be in transmission with the matching piece (21) so that the extension rod (2) and the inner side of the handle rod (1) can move.

2. An adjustable soil sampler according to claim 1 and characterized in that: the driving piece (13) is a gear which is rotationally connected to the free end of the claw piece (12), the matching piece (21) is a rack arranged on the extension rod (2), wherein when the claw piece (12) is in a free state, the claw at the end part of the claw piece can be clamped with the tooth of the rack, and meanwhile, the gear is separated from the rack.

3. An adjustable soil sampler according to claim 2 and characterized in that: the gear is also provided with a plane part (131) on the outer peripheral surface, and a protection bulge is arranged on the outer peripheral surface of the plane part (131).

4. An adjustable soil sampler according to claim 1 and characterized in that: the shovel head (3) is rotationally connected with the extension rod (2), and a locking component (4) is arranged between the shovel head (3) and the extension rod (2).

5. An adjustable soil sampler according to claim 4 and characterized in that: the end of the shovel head (3) is rotationally connected with the extension rod (2) through a connecting seat and a pin shaft, the locking assembly (4) comprises at least two groups of positioning holes (41) formed in the outer side of the connecting seat, a spring positioning pin assembly (42) is embedded in one end, close to the shovel head (3), of the extension rod (2), and the pin shaft end of the spring positioning pin assembly (42) can be clamped to the inner side of the positioning hole (41).

6. An adjustable soil sampler according to claim 1 and characterized in that: the outer peripheral surface of the extension rod (2) is also provided with a scale indication mark (22), and the scale indication mark (22) extends along the axial direction of the extension rod (2).

7. An adjustable soil sampler according to claim 6 and characterized in that: the outer peripheral surface of the extension rod (2) is provided with a plane section, the scale indication mark (22) is positioned on the plane section, and the inner side of the handle rod (1) is provided with a bulge matched with the plane section.