CN216410703U - A soil sampling device for agricultural development - Google Patents

A soil sampling device for agricultural development Download PDF

Info

Publication number
CN216410703U
CN216410703U CN202122818931.0U CN202122818931U CN216410703U CN 216410703 U CN216410703 U CN 216410703U CN 202122818931 U CN202122818931 U CN 202122818931U CN 216410703 U CN216410703 U CN 216410703U
Authority
CN
China
Prior art keywords
sampling
sampling tube
screw rod
threaded hole
agricultural development
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202122818931.0U
Other languages
Chinese (zh)
Inventor
刘占龙
冯娟
刘克荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liangdang Green Fumin Industrial Development Co ltd
Original Assignee
Liangdang Green Fumin Industrial Development Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liangdang Green Fumin Industrial Development Co ltd filed Critical Liangdang Green Fumin Industrial Development Co ltd
Priority to CN202122818931.0U priority Critical patent/CN216410703U/en
Application granted granted Critical
Publication of CN216410703U publication Critical patent/CN216410703U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Sampling And Sample Adjustment (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The utility model discloses a soil sampling device for agricultural development, which comprises a sampling cylinder, wherein the top end of the sampling cylinder is closed, the bottom end of the sampling cylinder is open, and a material pushing device is arranged on the sampling cylinder; the pushing device comprises a pushing column and a screw rod, the screw rod penetrates into the inner cavity of the sampling cylinder from the top end of the sampling cylinder, the screw rod is rotatably connected with the sampling cylinder through a bearing, the pushing column is sleeved on the screw rod and is in threaded connection with the screw rod, and the diameter of the pushing column is equivalent to that of the inner cavity of the sampling cylinder; be provided with the guide block on pushing away the lateral wall of explosive column, be provided with the guide way on the inner wall of sampling tube, the guide way sets up along the axial of sampling tube, and the guide way runs through the bottom of sampling tube, and the guide block slides to inlay and establishes in the guide way. To sum up, this embodiment can make things convenient for the staff to release the soil in the sampling tube through the device that pushes away that sets up, has improved staff's work efficiency.

Description

A soil sampling device for agricultural development
Technical Field
The utility model relates to the field of agricultural development, in particular to a land sampling device for agricultural development.
Background
In the middle of the agricultural development, need use the sampling tube to come to take a sample to the soil of soil, the laboratory staff detects soil according to soil sample, however among the prior art, the sampling tube is after accomplishing soil sampling, and soil sample in the sampling tube can block up sometimes, and the staff need be continuous to beat the sampling tube this moment, just can make the soil of sampling tube taken out.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a soil sampling device for agricultural development, which aims to solve the problems that after the soil is sampled by the existing sampling cylinder, soil samples in the sampling cylinder are sometimes blocked, and workers need to continuously beat the sampling cylinder to take out the soil in the sampling cylinder.
The purpose of the utility model is realized by the following technical scheme:
a soil sampling device for agricultural development comprises a sampling cylinder, wherein the top end of the sampling cylinder is closed, the bottom end of the sampling cylinder is open, and a material pushing device is arranged on the sampling cylinder; the pushing device comprises a pushing column and a screw rod, the screw rod penetrates into the inner cavity of the sampling cylinder from the top end of the sampling cylinder and is rotatably connected with the sampling cylinder through a bearing, the pushing column is sleeved on the screw rod and is in threaded connection with the screw rod, and the diameter of the pushing column is equivalent to that of the inner cavity of the sampling cylinder; the side wall of the medicine pushing column is provided with a guide block, the inner wall of the sampling tube is provided with a guide groove, the guide groove is arranged along the axial direction of the sampling tube, the guide groove penetrates through the bottom end of the sampling tube, and the guide block is embedded in the guide groove in a sliding mode.
Preferably, the pushing device further comprises a motor for driving the screw to rotate, the motor is installed at the top end of the sampling cylinder, and the output end of the motor is connected with the top end of the screw.
Preferably, the top of sampler barrel still is provided with and is used for the protection the guard box of motor, the guard box is installed the top of sampler barrel, just the bottom of guard box is opened, the motor is located in the inner chamber of guard box.
Preferably, a door opening is arranged at one end of the protection box in the width direction in a penetrating mode, and a door body hinged to one end of the door opening is arranged at the door opening.
Preferably, still be provided with hand-held device on the sampling tube, hand-held device includes two handheld units, two handheld unit uses in the cross section of the axis of sampling tube is the plane of symmetry, and the symmetry sets up on the lateral wall of sampling tube, every handheld unit all includes handle, connecting block and two installation pieces, two the installation piece is followed the circumference interval of sampling tube sets up on the lateral wall of sampling tube, the connecting block is installed the one end of handle, just the connecting block is located two between the installation piece, it is through pivot and two the installation piece rotates and connects, still be provided with on the handheld unit and be used for fixing the fixing device of connecting block.
Preferably, the fixing device comprises a first threaded hole arranged on the mounting block, a second threaded hole arranged on the connecting block and a bolt, the first threaded hole is formed in the thickness direction of the mounting block in a penetrating mode, the second threaded hole is formed in the thickness direction of the connecting block in a penetrating mode, the first threaded hole and the second threaded hole are arranged oppositely, and the bolt is matched with the first threaded hole and the second threaded hole respectively.
Preferably, a transparent window is arranged on the shell of the sampling tube, and a graduated scale is arranged on the transparent window.
Preferably, the sampling tube is including being located the tooth piece of its bottom, the pointed end of tooth piece is down, the tooth piece is a plurality of, and is a plurality of the tooth piece is followed the circumference interval of sampling tube sets up.
Preferably, the bottom end of the sampling tube is further provided with a sealing cover, and the sealing cover is in threaded connection with the sampling tube.
The utility model has at least one of the following advantages:
1. according to the soil sampling device, the sampling cylinder, the screw rod, the pesticide pushing column, the guide block and the guide groove are arranged, when the soil needs to be sampled, a worker inserts the sampling cylinder into the soil and then takes out the sampling cylinder, when a soil sample in the sampling cylinder needs to be taken out, the worker twists the screw rod to enable the screw rod to rotate, the screw rod rotates to drive the pesticide pushing column to move downwards, the pesticide pushing column moves downwards, the soil in the sampling cylinder is pushed, and the soil is pushed out from an opening at the bottom end of the sampling cylinder. To sum up, this embodiment can make things convenient for the staff to release the soil in the sampling tube through the device that pushes away that sets up, has improved staff's work efficiency, and the guide way in this embodiment runs through the bottom of sampling tube, soil in the guide way also can be released by the guide block so for the guide way can not block up.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the seal of the present invention when open;
FIG. 3 is a schematic view of a cut-away perspective of the present invention;
FIG. 4 is a schematic bottom perspective view of the structure of FIG. 2;
FIG. 5 is a schematic view of the present invention in a split perspective configuration;
FIG. 6 is an enlarged view taken at A in FIG. 2;
FIG. 7 is a schematic perspective view of the handle, connecting block, mounting block and latch of the present invention;
in the figure, 1-a sampling cylinder, 11-a transparent window, 12-a graduated scale, 13-a toothed block, 14-a guide groove, 2-a motor, 21-a screw rod, 22-a medicine pushing column, 23-a guide block, 3-a protection box, 31-a door, 32-a door body, 4-a handle, 41-a connecting block, 42-a second threaded hole, 43-a first threaded hole, 44-a mounting block, 45-a rotating shaft, 46-a bolt and 5-a sealing cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
Example 1
As shown in fig. 1, 3, 4 and 5, the present embodiment provides a soil sampling device for agricultural development, which includes a sampling cylinder 1, wherein a top end of the sampling cylinder 1 is closed, a bottom end of the sampling cylinder 1 is open, and a pushing device is arranged on the sampling cylinder 1; the pushing device comprises a pushing column 22 and a screw rod 21, the screw rod 21 penetrates into the inner cavity of the sampling tube 1 from the top end of the sampling tube 1, the screw rod 21 is rotatably connected with the sampling tube 1 through a bearing, the pushing column 22 is sleeved on the screw rod 21 and is in threaded connection with the screw rod 21, and the diameter of the pushing column 22 is equivalent to that of the inner cavity of the sampling tube 1; push away and be provided with guide block 23 on the lateral wall of explosive column 22, be provided with guide way 14 on the inner wall of sampling tube 1, guide way 14 is followed the axial setting of sampling tube 1, guide block 23 and guide way 14 be provided with and be used for leading for pushing away the removal of explosive column 22, just guide way 14 runs through the bottom of sampling tube 1, guide block 23 slides and inlays to be established in the guide way 14.
In this embodiment, be provided with sampling tube 1, screw rod 21, the powder pushing column 22, guide block 23 and guide way 14, when needs are taken a sample to the soil, the staff inserts sampling tube 1 in the soil, then take out sampling tube 1, when the soil sample in the sampling tube 1 needs to be taken out, staff wrench movement screw rod 21, make screw rod 21 rotate, screw rod 21 rotates and drives powder pushing column 22 downstream, make the soil in the sampling tube 1 promoted, and soil is released from the bottom opening part of sampling tube 1.
In conclusion, this embodiment can make things convenient for the staff to release the soil in with the sampling tube 1 through the device that pushes away that sets up, has improved staff's work efficiency, and guide way 14 in this embodiment runs through the bottom of sampling tube 1, the soil in the guide way 14 also can be released by guide block 23 so for guide way 14 can not block up.
Example 2
As shown in fig. 2, the present embodiment is substantially the same as the previous embodiments, except that the pushing device further includes a motor 2 for driving the screw 21 to rotate, the motor 2 is installed at the top end of the sampling cylinder 1, and the output end of the motor 2 is connected to the top end of the screw 21.
In this embodiment, the motor 2 is used for driving the screw rod 21 to rotate, so that manpower is saved.
Example 3
As shown in fig. 2, the present embodiment is substantially the same as the above embodiments, except that a protection box 3 for protecting the motor 2 is further disposed at the top end of the sampling tube 1, the protection box 3 is mounted at the top end of the sampling tube 1, the bottom end of the protection box 3 is open, and the motor 2 is located in the inner cavity of the protection box 3.
In this embodiment, it should be noted that, because the sampling of soil is mostly carried out outdoors, then probably will meet rainy weather, and the rainwater can cause the damage to motor 2, so this embodiment can prevent through the guard box 3 that sets up that the rainwater from causing the damage to motor 2.
Example 4
As shown in fig. 2, this embodiment is substantially the same as the above embodiment except for the difference. One end of the protection box 3 in the width direction is provided with a door 31 in a penetrating manner, and a door body 32 hinged with one end of the door 31 is arranged at the door.
In this embodiment, can make things convenient for the switching of staff to guard box 3 through being provided with gate 31 and door body 32 to the staff maintains motor 2, and it is explicated that, the fixed mode and the mode of opening of door body 32 are multiple among the prior art, for example the domestic door in the real life.
Example 5
As shown in fig. 1-7, this embodiment is substantially the same as the above embodiments, except that the sampling cylinder 1 is further provided with a handheld device, the handheld device includes two handheld units, the two handheld units are symmetrically disposed on the sidewall of the sampling cylinder 1 by taking the cross section of the axis of the sampling cylinder 1 as a symmetry plane, each handheld unit includes a handle 4, a connecting block 41 and two mounting blocks 44, the two mounting blocks 44 are disposed on the sidewall of the sampling cylinder 1 at intervals along the circumferential direction of the sampling cylinder 1, the connecting block 41 is mounted at one end of the handle 4, the connecting block 41 is located between the two mounting blocks 44, and is rotatably connected with the two mounting blocks 44 through a rotating shaft 45, and the handheld unit is further provided with a fixing device for fixing the connecting block 41.
In this embodiment, it should be noted that, in the prior art, generally, the handle 4 is disposed on the sampling tube 1, but the handle 4 is generally fixedly connected to the sampling tube 1, so when the sampling tube 1 is carried by a bag or other articles, because the handle 4 occupies a lot of space, the handle 4 of this embodiment is rotatably connected to the sampling tube 1 through the rotating shaft 45, and the connecting block 41 on the handle 4 is fixed through the fixing device, that is, when the sampling tube 1 is carried, a worker can take out the fixing device, so that the handle 4 rotates downward, after the handle 4 rotates downward, the width of the whole sampling tube 1 is greatly reduced, so that the occupied space of the sampling tube 1 is reduced, the worker can conveniently carry the sampling tube 1, when the sampling tube 1 is needed to sample soil, the worker rotates the handle 4 again, so that the handle 4 is perpendicular to the sampling tube 1 and then fixed by the fixing device.
Example 6
As shown in fig. 6 to 7, the present embodiment is substantially the same as the above embodiments, except that the fixing device includes a first threaded hole 43 provided in the mounting block 44, a second threaded hole 42 provided in the connecting block 41, and a bolt 46, the first threaded hole 43 penetrates through the mounting block 44 in the thickness direction of the mounting block 44, the second threaded hole 42 penetrates through the connecting block 41 in the thickness direction of the connecting block 41, the first threaded hole 43 and the second threaded hole 42 are oppositely disposed, and the bolt 46 is respectively fitted into the first threaded hole 43 and the second threaded hole 42.
In this embodiment, realize fixed and the activity of handle 4 through threaded connection's mode, convenient and fast.
Example 7
As shown in fig. 5, the present embodiment is substantially the same as the above embodiments, except that a transparent window 11 is provided on the housing of the sampling tube 1, and a scale 12 is provided on the transparent window 11.
In this embodiment, can help the staff to run through the soil of sampling tube 1 through the transparent window 11 that sets up, and the weight of the staff up to the soil in the sampling tube 1 through the scale 12 that sets up can be convenient for.
Example 8
As shown in fig. 5, the present embodiment is substantially the same as the above embodiments, except that the sampling tube 1 includes a plurality of tooth blocks 13 at the bottom end thereof, the tip of the tooth block 13 faces downward, the tooth blocks 13 are provided in plurality, and the tooth blocks 13 are arranged at intervals along the circumferential direction of the sampling tube 1.
In this embodiment, the tooth block 13 is provided to facilitate the insertion of the sampling tube 1 into the soil.
Example 9
As shown in fig. 1-2, this embodiment is substantially the same as the above-described embodiment, except for the difference. The bottom of the sampling tube 1 is also provided with a sealing cover 5, and the sealing cover 5 is in threaded connection with the sampling tube 1.
In this embodiment, the soil sample in the sampling cylinder 1 can be prevented from falling from the sampling cylinder 1 by providing the sealing cap 5.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims (9)

1. A land sampling device for agricultural development characterized in that: the sampling device comprises a sampling cylinder (1), wherein the top end of the sampling cylinder (1) is closed, the bottom end of the sampling cylinder (1) is open, and a material pushing device is arranged on the sampling cylinder (1);
the pushing device comprises a pushing column (22) and a screw rod (21), the screw rod (21) penetrates into an inner cavity of the sampling tube (1) from the top end of the sampling tube (1), the screw rod (21) is rotatably connected with the sampling tube (1) through a bearing, the pushing column (22) is sleeved on the screw rod (21) and is in threaded connection with the screw rod (21), and the diameter of the pushing column (22) is equivalent to that of the inner cavity of the sampling tube (1);
be provided with guide block (23) on pushing away the lateral wall of medicine post (22), be provided with guide way (14) on the inner wall of sampling tube (1), guide way (14) are followed the axial setting of sampling tube (1), just guide way (14) run through the bottom of sampling tube (1), guide block (23) slide to inlay and establish in guide way (14).
2. A land sampling apparatus for agricultural development as claimed in claim 1, wherein: the pushing device further comprises a motor (2) used for driving the screw rod (21) to rotate, the motor (2) is installed at the top end of the sampling cylinder (1), and the output end of the motor (2) is connected with the top end of the screw rod (21).
3. A land sampling apparatus for agricultural development as claimed in claim 2, wherein: the top of sampler barrel (1) still is provided with and is used for the protection guard box (3) of motor (2), install guard box (3) the top of sampler barrel (1), just the bottom of guard box (3) is opened, motor (2) are located in the inner chamber of guard box (3).
4. A land sampling apparatus for agricultural development as claimed in claim 3, wherein: one end of the protection box (3) in the width direction is provided with a door opening (31) in a penetrating mode, and a door body (32) hinged to one end of the door opening (31) is arranged at the position of the door opening.
5. A land sampling apparatus for agricultural development as claimed in claim 1, wherein: still be provided with hand-held device on sampler barrel (1), hand-held device includes two handheld units, two handheld unit uses to cross the cross section of the axis of sampler barrel (1) is the plane of symmetry, and the symmetry sets up on the lateral wall of sampler barrel (1), every handheld unit all includes handle (4), connecting block (41) and two installation piece (44), two installation piece (44) are followed the circumference interval of sampler barrel (1) sets up on the lateral wall of sampler barrel (1), install connecting block (41) the one end of handle (4), just connecting block (41) are located two between installation piece (44), it is through pivot (45) and two installation piece (44) rotate the connection, still be provided with on the handheld unit and be used for fixing the fixing device of connecting block (41).
6. A land sampling apparatus for agricultural development as claimed in claim 5, wherein: the fixing device comprises a first threaded hole (43) arranged on the mounting block (44), a second threaded hole (42) arranged on the connecting block (41), and a bolt (46), wherein the first threaded hole (43) penetrates through the mounting block (44) along the thickness direction of the mounting block (44), the second threaded hole (42) penetrates through the connecting block (41) along the thickness direction of the connecting block (41), the first threaded hole (43) and the second threaded hole (42) are oppositely arranged, and the bolt (46) is respectively matched with the first threaded hole (43) and the second threaded hole (42).
7. A land sampling apparatus for agricultural development as claimed in claim 1, wherein: a transparent window (11) is arranged on the shell of the sampling tube (1), and a graduated scale (12) is arranged on the transparent window (11).
8. A land sampling apparatus for agricultural development as claimed in claim 1, wherein: the sampling tube (1) is including tooth piece (13) that are located its bottom, the pointed end of tooth piece (13) is down, tooth piece (13) are a plurality of, and are a plurality of tooth piece (13) are followed the circumference interval setting of sampling tube (1).
9. A land sampling apparatus for agricultural development as claimed in claim 1, wherein: the bottom of sampling tube (1) still is provided with sealed lid (5), sealed lid (5) with sampling tube (1) threaded connection.
CN202122818931.0U 2021-11-17 2021-11-17 A soil sampling device for agricultural development Expired - Fee Related CN216410703U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122818931.0U CN216410703U (en) 2021-11-17 2021-11-17 A soil sampling device for agricultural development

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122818931.0U CN216410703U (en) 2021-11-17 2021-11-17 A soil sampling device for agricultural development

Publications (1)

Publication Number Publication Date
CN216410703U true CN216410703U (en) 2022-04-29

Family

ID=81301234

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122818931.0U Expired - Fee Related CN216410703U (en) 2021-11-17 2021-11-17 A soil sampling device for agricultural development

Country Status (1)

Country Link
CN (1) CN216410703U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116839994A (en) * 2023-08-08 2023-10-03 东莞市瑞德丰生物科技有限公司 Quick pesticide concentration detection sampling equipment and sampling method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116839994A (en) * 2023-08-08 2023-10-03 东莞市瑞德丰生物科技有限公司 Quick pesticide concentration detection sampling equipment and sampling method thereof

Similar Documents

Publication Publication Date Title
CN216410703U (en) A soil sampling device for agricultural development
CN112051090A (en) Soil detection device with layered sampling mechanism
CN114112502A (en) Sampling device and sampling method for geological environment investigation
CN214224612U (en) Soil sampler for environmental geological survey
CN213068266U (en) Soil taking mechanism for environmental soil detection
CN212513725U (en) Soil sampling tool for agricultural plant protection
CN214844133U (en) Soil heavy metal detection device
CN217359081U (en) Agricultural environment information acquisition device
CN213800880U (en) DNA extraction kit
CN211603183U (en) Portable outdoor soil detection device
CN214986902U (en) Novel rotation type soil sample case
CN216410712U (en) Sampling box for environmental monitoring
CN219193713U (en) Sampling instrument
CN207164259U (en) The sampling device of spectrometer is dodged for liquid and liquid dodges spectrometer
CN216559823U (en) Soil organic pollution area detects with sampling device who has safeguard function
CN214471826U (en) Sampling device for nuclear pollution detection equipment
CN217638065U (en) Soil geotome of usefulness is administered to environment
CN220054615U (en) Storage device for sewage sampling detection
CN212180323U (en) Novel soil heavy metal detects device
CN213148355U (en) Sampling device for soil treatment
CN213842705U (en) Portable farmland automatic soil taking device
CN217605322U (en) Geological environment monitoring's high-efficient sampling device
CN213503777U (en) Secondary pollution-avoiding new coronavirus detection kit
CN213842707U (en) Cavity-divided soil sampling device based on agricultural technology popularization
CN218782021U (en) Soil sampling device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220429