CN110926863B

CN110926863B - Soil sampler

Info

Publication number: CN110926863B
Application number: CN201911405117.7A
Authority: CN
Inventors: 范瑶飞
Original assignee: Hangzhou Leshou Technology Co Ltd
Current assignee: Hangzhou Leshou Technology Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2021-04-06
Anticipated expiration: 2039-12-31
Also published as: CN110926863A

Abstract

The invention relates to the field of soil sampling devices, in particular to a soil sampler, which comprises a fixed sleeve, a soil sampling structure, a water injection structure, a lubricating structure, a soil pushing structure and an air inlet structure; the structure of fetching earth can drive the water injection structure and carry out work when carrying out work, work through the water injection structure, can carry out the during operation at the structure of fetching earth, carry out water injection work to the soil sample that the structure of fetching earth fetches earth, just can soak the soil sample that needs the soil to fetch, reach the purpose that reduces soil hardness, thereby can accelerate the efficiency of fetching earth, the soil of being convenient for fetches earth, use through the cooperation of fixed cover and the structure of fetching earth, can utilize foot strength to realize rotatory soil fetching, do not need the hand to rotate repeatedly, can reach the effect of economizing on the human power, can also utilize the strength of foot to insert the speed of soil with higher speed, and the rotatory mode of fetching earth, can further quick inside of inserting soil, thereby can realize quick soil fetching, make things convenient for the soil sample.

Description

Soil sampler

Technical Field

The invention relates to the field of soil sampling devices, in particular to a soil sampler.

Background

Soil is a loose layer of material on the earth's surface, consisting of various granular minerals, organic substances, moisture, air, microorganisms, etc., and capable of growing plants. The soil is composed of mineral substances formed by weathering of rocks, animals and plants, organic matters generated by decomposition of microbial residues, soil organisms (solid-phase substances), water (liquid-phase substances), air (gas-phase substances), oxidized humus and the like. The solid substances comprise soil mineral substances, organic matters, nutrients obtained by light irradiation bacteriostasis and sterilization of microorganisms and the like. Liquid substances are primarily soil moisture. The gas is air present in the pores of the soil. The three types of substances in the soil form a contradictory unity. They are interconnected and restricted to provide necessary living conditions for crops, and are the material basis of soil fertility. Soil sampling refers to a method for collecting soil samples, and comprises sampling arrangement and sampling technology. The sampling of the soil sample in the cross section is performed after the cross section observation is completed.

When carrying out soil sampling to the less and harder earth ground of water content, because soil lack of water hardens, when carrying out soil sampling, the inside of the difficult soil that gets into of sampler is sampled, needs artifical a large amount of strength of cost to carry out the sample work of soil this moment, wastes time and energy.

Disclosure of Invention

To address the problems in the prior art, the present invention provides a soil sampler.

The technical scheme adopted by the invention for solving the technical problems is as follows: a soil sampler comprises a fixed sleeve, a soil taking structure, a water injection structure, a lubricating structure, a soil pushing structure and an air inlet structure, wherein the soil taking structure for taking soil is arranged inside the fixed sleeve for protecting and installing other parts, and the water injection structure for injecting water and wetting soil is connected outside the fixed sleeve; the oil filling device is characterized in that the lubricating structure used for oiling the soil sampling structure is arranged in the fixed sleeve, the soil pushing structure used for pushing out a soil sample in the soil sampling structure is arranged in the fixed sleeve, and the air inlet structure used for ventilating the inside of the water injection structure is arranged in the water injection structure.

Specifically, the soil sampling structure comprises a pedal, a rotating rod, a soil sampling ring, a connecting plate, a first spring, a fixing plate, a fixing groove, a rotating sleeve and a screw rod, wherein the fixing groove in a rectangular structure is arranged on the fixing sleeve, the inside of the fixed sleeve is rotatably connected with the rotating rod with a T-shaped section, the soil taking ring is fixed at the bottom end of the rotating rod, the screw rod is fixed at one end of the rotating rod, which is far away from the soil taking ring, and is rotationally connected with the fixed sleeve, the external thread of the screw rod is connected with the rotating sleeve, one end of the rotating sleeve is fixed with the connecting plate, the connecting plate is connected with the fixed sleeve in a sliding way through the fixed groove, the pedal is fixed at one end, away from the rotating sleeve, of the connecting plate, the fixing plate is fixed outside the fixing sleeve, and the first spring is clamped and fixed between the fixing plate and the connecting plate.

Specifically, the water injection structure comprises an installation plate, a fixing rod, a water tank, a water outlet sleeve, a water pipe, a pressing plate, a water injection plug, a first sealing plug, a second spring, a water channel, a water tank and a water outlet hole, wherein the installation plate is fixed at one end of the connection plate, the water tank is fixed at one end of the fixing sleeve, the pressing plate is connected to the inside of the water tank in a sliding manner, the fixing rod in an inverted concave structure is fixed at one end of the pressing plate, the other end of the fixing rod is fixed with the installation plate, the fixing rod is connected with the water tank in a sliding manner, the water injection plug is fixed at one end of the pressing plate, which is far away from the fixing rod, the water outlet sleeve is fixed at the bottom end of the water tank in a vertical relationship, the first sealing plug is connected to the inside of the water outlet sleeve in a, the water outlet sleeve is fixed on the outer portion of the water outlet sleeve, the other end of the water pipe is connected with the soil taking ring, the water tank in an annular structure is arranged inside the soil taking ring, the water pipe is communicated with the water tank through the water channel, a plurality of water outlet holes are distributed in the soil taking ring in an annular array mode, and the water outlet holes are communicated with the water tank.

Specifically, the inlet structure includes limiting plate, fourth spring, closing plate, inlet port and intercommunicating pore, limiting plate sliding connection in the inside of water tank the limiting plate with the centre gripping is fixed between the water tank the fourth spring the limiting plate deviates from the one end vertical relation of fourth spring is fixed the closing plate, just the closing plate with water tank sliding connection, the closing plate deviates from the one end of limiting plate is semi-circular structure set up on the closing plate the intercommunicating pore set up on the water tank the inlet port, just the diameter of inlet port with the diameter of intercommunicating pore is the same.

Concretely, lubricating structure includes oil tank, oil storage tank, ejector pin, slide, third spring, gasbag, play oil jacket, second sealing plug, third spring and goes out oil pipe, and the outside is cuboid structure and inside has holds the cavity the oil tank is fixed in the outside of fixed cover the inside of oil tank is equipped with the oil storage tank the external fixation of lead screw the ejector pin, just the ejector pin with fixed cover rotates to be connected fixed cover with the inside sliding connection of oil tank has the slide that is T shape structure the slide with the centre gripping is fixed between the oil tank the third spring the slide with the centre gripping is fixed between the oil tank the gasbag, just the gasbag with the oil storage tank communicates with each other the bottom of oil tank is the vertical relation fixed play oil jacket, just the inside of going out oil jacket with the inside of oil storage tank communicates with each other, the oil outlet sleeve is internally and slidably connected with the second sealing plug, the third spring is clamped and fixed between the second sealing plug and the oil outlet sleeve, the outer part of the oil outlet sleeve is fixed in an inclined manner to the oil outlet pipe, and two ends of the oil outlet pipe are respectively communicated with the oil outlet sleeve and the inner part of the fixed sleeve.

Specifically, the bulldozing structure comprises a push rod, a vertical plate, a rack, a handle, a first gear, a second gear and a bulldozing plate, the push rod is connected with the fixed sleeve in a sliding manner, the push rod is rotatably connected with the lead screw, the cross section of the push rod is of a rectangular structure, the push rod penetrates through the fixed sleeve and the lead screw, the bulldozing plate is fixed at one end of the push rod and is of an arc structure, the bulldozing plate is slidably connected with the soil taking ring, the vertical plate is fixed at one end of the push rod, which is far away from the bulldozing plate, the rack is slidably connected inside the fixed sleeve, one end of the rack is fixedly connected with the vertical plate, the rack and the push rod are arranged in parallel, the handle is rotatably connected inside the fixed sleeve, the first gear is fixed outside the handle, and the first gear is rotatably connected with the fixed sleeve, the second gear is rotatably connected inside the fixed sleeve, the outer diameter of the first gear is smaller than that of the second gear, the first gear is meshed with the second gear, and the second gear is meshed with the rack.

The invention has the beneficial effects that:

(1) the soil sampler can realize rotary soil sampling by utilizing foot force without repeated rotation of hands through the matching use of the fixed sleeve and the soil sampling structure, can achieve the effect of saving manpower, can also accelerate the speed of inserting the soil by utilizing the foot force, can further quickly insert the soil into the soil in a rotary soil sampling mode, thereby realizing quick soil sampling and facilitating soil sampling, namely, because the screw rod is rotatably connected inside the fixed sleeve, the rotary sleeve is connected with the external thread of the screw rod, the rotary sleeve is limited by the sliding of the connecting plate and the fixed sleeve, the screw rod can rotate inside the fixed sleeve by externally treading a pedal fixed with the connecting plate, and because the screw rod is fixed with the rotating rod for fixing the soil sampling ring, the soil sampling ring can also rotate along with the rotation in the rotation process of the screw rod, when the soil taking ring is used for soil taking, the soil taking ring rotates, so that the soil can be accelerated to enter the inside of the soil, the effect of accelerating the soil taking can be achieved, the soil taking efficiency can be greatly accelerated, the first spring is fixed by clamping between the connecting plate and the fixing plate, the pedal can be automatically restored to the original position after the soil taking is finished through the elastic action of the first spring, and the next soil taking can be conveniently carried out.

(2) The soil sampler can drive the water injection structure to work while the soil sampling structure works, and the soil sample of the soil sampling structure can be injected with water to soak the soil sample to be sampled when the soil sampling structure works through the work of the water injection structure, so that the soil sampling efficiency can be improved, the soil sampling is convenient, the continuity of the water injection structure can be ensured through the air inlet structure arranged on the water injection structure, the soil sampling is convenient to continue, namely, the pressure plate which is connected in the water tank in a sliding way is fixedly connected with the mounting plate through the fixed rod, and the mounting plate is connected with the connecting plate, so that when the pedal is treaded to sample soil, the pressure plate can be driven to extrude the water in the water tank, and the water in the water tank can extrude the first sealing plug under the pressure action, the water pipe is communicated with the inside of the water tank, at the moment, the water in the water tank enters the water tank inside the soil taking ring along the water pipe, because the plurality of water outlet holes communicated with the water tank are distributed in the soil taking ring in an annular array, water in the water tank can be injected into the soil from the plurality of water outlet holes, thereby soaking the soil, reducing the hardness of the soil, facilitating and rapidly taking the soil, after soil taking is finished, the pedal rises to drive the water injection plug to slide upwards, when the water injection plug slides upwards, the first sealing plug can be lifted to block the water pipe, the first sealing plug can abut against the sealing plate, the sealing plate can slide towards the inside of the water tank, when the communicating hole on the sealing plate is communicated with the air inlet hole, the outside gas can enter the water tank, and the water injection plug can restore the original position, so that the next work can be conveniently carried out.

(3) According to the soil sampler, the soil taking structure can synchronously drive the lubricating structure to work while working, the automatic oiling and lubricating work can be carried out on the soil taking structure through the work of the lubricating structure, manual oiling is not needed, the condition that the friction force of the soil taking structure is increased or even is blocked due to the fact that manual oiling is forgotten for a long time can be avoided, the lubricating structure can only work when the soil taking structure works, the waste of lubricating oil can be avoided, namely, the ejector rod fixed outside the screw rod can be driven to rotate through the rotation of the screw rod, the sliding plate can be continuously extruded when the ejector rod rotates, the sliding plate can continuously extrude the air bag under the elastic force of the third spring, the air bag can be inflated to work, the air in the air bag can enter the inside of the oil storage tank, the internal pressure of the oil storage tank is increased at the moment, and the second sealing plug connected to the inside the oil outlet sleeve in a, when the second sealing plug no longer blocks up the oil outlet pipe, the lubricating oil in the oil storage tank can enter the inside of the fixed sleeve through the oil outlet pipe to lubricate the moving parts, so that the situation that the friction force of the moving parts is increased and even the moving parts are blocked due to no oil filling for a long time can be avoided.

(4) According to the soil sampler, after soil sampling is finished, the soil sample on the soil sampling structure can be pushed out in a labor-saving manner through the arrangement of the soil pushing structure, so that the soil sample can be conveniently taken out.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of the overall structure of a preferred embodiment of a soil sampler provided in the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of a connection structure of the water injection structure and the air intake structure shown in FIG. 1;

FIG. 4 is an enlarged view of the portion B shown in FIG. 3;

FIG. 5 is a schematic view of the connection structure of the retaining sleeve and the soil sampling structure shown in FIG. 1;

FIG. 6 is an enlarged view of the portion C shown in FIG. 5;

FIG. 7 is an enlarged view of the portion D shown in FIG. 5;

fig. 8 is an enlarged view of the portion E shown in fig. 5.

In the figure: 1. a fixed sleeve, 2, a soil taking structure, 21, a pedal, 22, a rotating rod, 23, a soil taking ring, 24, a connecting plate, 25, a first spring, 26, a fixed plate, 27, a fixed groove, 28, a rotating sleeve, 29, a screw rod, 3, a water injection structure, 31, a mounting plate, 32, a fixed rod, 33, a water tank, 34, a water outlet sleeve, 35, a water pipe, 36, a pressing plate, 37, a water injection plug, 38, a first sealing plug, 39, a second spring, 39a, a water channel, 39b, a water channel, 39c, a water outlet hole, 4, a lubricating structure, 41, a fuel tank, 42, a fuel storage tank, 43, a push rod, 44, a sliding plate, 45, a third spring, 46, a gas bag, 47, a oil outlet sleeve, 48, a second sealing plug, 49, a third spring, 49a, an oil outlet pipe, 5, a soil shifting structure, 51, a push rod, 52, a vertical plate, 53, a rack, 54, a handle, 55, a first gear, 56, 6. air inlet structure, 61, limiting plate, 62, fourth spring, 63, sealing plate, 64, inlet hole, 65, communication hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-8, the soil sampler of the present invention comprises a fixed sleeve 1, a soil sampling structure 2, a water injection structure 3, a lubricating structure 4, a soil pushing structure 5 and an air intake structure 6, wherein the soil sampling structure 2 for sampling soil is installed inside the fixed sleeve 1 for protecting and installing other components, and the water injection structure 3 for injecting water and wetting soil is connected outside the fixed sleeve 1; the lubricating structure 4 used for oiling the soil sampling structure 2 is arranged in the fixed sleeve 1, the soil pushing structure 5 used for pushing out soil samples in the soil sampling structure 2 is arranged in the fixed sleeve 1, and the air inlet structure 6 used for ventilating the water injection structure 3 is arranged in the water injection structure 3.

Specifically, the soil sampling structure 2 includes a pedal 21, a rotating rod 22, a soil sampling ring 23, a connecting plate 24, a first spring 25, a fixing plate 26, a fixing groove 27, a rotating sleeve 28 and a screw rod 29, wherein the fixing groove 27 having a rectangular structure is disposed on the fixing sleeve 1, the rotating rod 22 having a T-shaped cross section is rotatably connected inside the fixing sleeve 1, the soil sampling ring 23 is fixed at the bottom end of the rotating rod 22, the screw rod 29 is fixed at one end of the rotating rod 22 away from the soil sampling ring 23, the screw rod 29 is rotatably connected with the fixing sleeve 1, the rotating sleeve 28 is connected with the external thread of the screw rod 29, the connecting plate 24 is fixed at one end of the rotating sleeve 28, the connecting plate 24 is slidably connected with the fixing sleeve 1 through the fixing groove 27, the pedal 21 is fixed at one end of the connecting plate 24 away from the rotating sleeve 28, the fixing plate 26 is fixed outside the fixing sleeve 1, the first spring 25 is clamped and fixed between the fixing plate 26 and the connecting plate 24, the screw 29 is rotatably connected to the inside of the fixing sleeve 1, the rotating sleeve 28 is connected to the outside of the screw 29 in a threaded manner, the rotating sleeve 28 is limited by the sliding of the connecting plate 24 and the fixing sleeve 1, the screw 29 can rotate inside the fixing sleeve 1 by externally stepping on the pedal 21 fixed to the connecting plate 24, and the soil-taking ring 23 can rotate during the rotation of the screw 29 because the screw 29 is fixed to the rotating rod 22 fixing the soil-taking ring 23, and the soil-taking ring 23 can accelerate the entering of the soil when the soil-taking ring 23 performs the soil-taking operation, so that the effect of accelerating the soil-taking can be achieved, therefore, the soil taking efficiency can be greatly accelerated, and the first spring 25 is clamped and fixed between the connecting plate 24 and the fixing plate 26, so that the pedal 21 can be automatically restored to the original position after the soil taking is finished under the elastic action of the first spring 25, and the next soil taking can be conveniently carried out.

Specifically, the water injection structure 3 includes a mounting plate 31, a fixing rod 32, a water tank 33, a water outlet sleeve 34, a water pipe 35, a pressing plate 36, a water injection plug 37, a first sealing plug 38, a second spring 39, a water channel 39a, a water channel 39b and a water outlet hole 39c, the mounting plate 31 is fixed at one end of the connecting plate 24, the water tank 33 is fixed at one end of the fixing sleeve 1, the pressing plate 36 is slidably connected to the inside of the water tank 33, the fixing rod 32 having an inverted "concave" structure is fixed at one end of the pressing plate 36, the other end of the fixing rod 32 is fixed to the mounting plate 31, the fixing rod 32 is slidably connected to the water tank 33, the water injection plug 37 is fixed at one end of the pressing plate 36 away from the fixing rod 32, the water outlet sleeve 34 is fixed at the bottom end of the water tank 33 in a vertical relationship, the first sealing plug 38 is slidably connected to the, the second spring 39 is clamped and fixed between the first sealing plug 38 and the water outlet sleeve 34, the water pipe 35 is fixed outside the water outlet sleeve 34, the other end of the water pipe 35 is connected with the soil extracting ring 23, the water tank 39b in an annular structure is arranged inside the soil extracting ring 23, the water pipe 35 is communicated with the water tank 39b through the water channel 39a, the water outlet holes 39c are distributed in an annular array inside the soil extracting ring 23, and the water outlet holes 39c are all communicated with the water tank 39b, because the pressing plate 36 which is slidably connected inside the water tank 33 is fixedly connected with the mounting plate 31 through the fixing rod 32, and the mounting plate 31 is connected with the connecting plate 24, when the pedal 21 is stepped to extract soil, the pressing plate 36 can be driven to squeeze water inside the water tank 33, the water in the water tank 33 will press the first sealing plug 38 under the pressure, so that the water pipe 35 is communicated with the inside of the water tank 33, and at this time, the water in the water tank 33 will enter the inside of the water tank 39b in the soil taking ring 23 along the water pipe 35, and since the water outlet holes 39c communicated with the water tank 39b are distributed in the soil taking ring 23 in an annular array, the water in the water tank 33 will be injected into the soil through the water outlet holes 39c, so as to wet the soil, and reduce the hardness of the soil, thereby facilitating the rapid soil taking.

Specifically, the air intake structure 6 includes a limiting plate 61, a fourth spring 62, a sealing plate 63, an air inlet 64 and a communication hole 65, the limiting plate 61 is slidably connected inside the water tank 33, the fourth spring 62 is clamped and fixed between the limiting plate 61 and the water tank 33, the sealing plate 63 is fixed at a vertical relation at one end of the limiting plate 61 away from the fourth spring 62, the sealing plate 63 is slidably connected with the water tank 33, one end of the sealing plate 63 away from the limiting plate 61 is in a semicircular structure, the communication hole 65 is arranged on the sealing plate 63, the air inlet 64 is arranged on the water tank 33, the diameter of the air inlet 64 is the same as that of the communication hole 65, after soil sampling is completed, the pedal 21 rises to drive the water filling plug 37 to slide upwards, and when the water filling plug 37 slides upwards, the first sealing plug 38 can be lifted to block the water pipe 35, at this time, the first sealing plug 38 will abut against the sealing plate 63, the sealing plate 63 will slide towards the inside of the water tank 33, when the communication hole 65 on the sealing plate 63 is communicated with the air inlet hole 64, external air will enter the inside of the water tank 33, and the water filling plug 37 can be restored to its original position, thereby facilitating the next work.

Specifically, the lubricating structure 4 includes an oil tank 41, an oil storage tank 42, a push rod 43, a sliding plate 44, a third spring 45, an air bag 46, an oil outlet sleeve 47, a second sealing plug 48, a third spring 49 and an oil outlet pipe 49a, the oil tank 41 is externally in a rectangular parallelepiped structure and is internally provided with a containing cavity, the oil tank 41 is fixed outside the fixing sleeve 1, the oil storage tank 42 is arranged inside the oil tank 41, the push rod 43 is fixed outside the lead screw 29, the push rod 43 is rotatably connected with the fixing sleeve 1, the fixing sleeve 1 and the sliding plate 44 in a T-shaped structure are slidably connected inside the oil tank 41, the third spring 45 is clamped and fixed between the sliding plate 44 and the oil tank 41, the air bag 46 is communicated with the oil storage tank 42, the oil outlet sleeve 47 is fixed at the bottom end of the oil tank 41 in a vertical relation, the inside of the oil outlet sleeve 47 is communicated with the inside of the oil storage tank 42, the second sealing plug 48 is slidably connected to the inside of the oil outlet sleeve 47, the third spring 45 is clamped and fixed between the second sealing plug 48 and the oil outlet sleeve 47, the oil outlet pipe 49a is fixed to the outside of the oil outlet sleeve 47 in an inclined manner, two ends of the oil outlet pipe 49a are respectively communicated with the inside of the oil outlet sleeve 47 and the fixing sleeve 1, the ejector rod 43 fixed to the outside of the screw rod 29 can be driven to rotate through the rotation of the screw rod 29, the ejector rod 43 continuously extrudes the sliding plate 44 when rotating, the sliding plate 44 continuously extrudes the air bag 46 under the elastic force of the third spring 45, the air bag 46 is inflated to work, and the air in the air bag 46 enters the inside of the oil storage tank 42, at this moment the internal pressure of oil storage tank 42 increases, just can extrude sliding connection in the inside second sealing plug 48 of oil outlet cover 47, when second sealing plug 48 no longer blocks up when going out the oil pipe, the inside lubricating oil of oil storage tank 42 will pass through go out oil pipe 49a and get into the inside of fixed cover 1 carries out lubricated work to the moving part to can avoid the long-time friction increase that does not refuel and cause of moving part even the dead condition of card.

Specifically, the bulldozing structure 5 comprises a push rod 51, an upright plate 52, a rack 53, a handle 54, a first gear 55, a second gear 56 and a bulldozing plate 57, the push rod 51 is slidably connected to the fixed sleeve 1, the push rod 51 is rotatably connected to the screw 29, the cross section of the push rod 51 is in a rectangular structure, the push rod 51 penetrates through the fixed sleeve 1 and the screw 29, the bulldozing plate 57 is fixed at one end of the push rod 51, the cross section of the bulldozing plate 57 is in an arc-shaped structure, the bulldozing plate 57 is slidably connected to the soil-fetching ring 23, the upright plate 52 is fixed at one end of the push rod 51 away from the bulldozing plate 57, the rack 53 is slidably connected to the inside of the fixed sleeve 1, one end of the rack 53 is fixedly connected to the upright plate 52, the rack 53 is parallel to the push rod 51, the handle 54 is rotatably connected to the inside of the fixed sleeve, the first gear 55 is fixed on the outside of the handle 54, the first gear 55 is rotatably connected with the fixing sleeve 1, the second gear 56 is rotatably connected with the inside of the fixing sleeve 1, the outer diameter of the first gear 55 is smaller than the outer diameter of the second gear 56, the first gear 55 is meshed with the second gear 56, the second gear 56 is meshed with the rack 53, when a soil sample in the soil sampling ring 23 needs to be taken out, only the handle 54 needs to be rotated, when the handle 54 rotates, the handle 54 drives the first gear 55 to drive the second gear 56 to rotate, as the outer diameter of the first gear 55 is smaller than the outer diameter of the second gear 56, a power saving effect can be achieved, and as the second gear 56 is meshed with the rack 53, when the second gear 56 rotates, the rack 53 drives the push rod 51 to work, that is, the handle 54 is only required to be rotated externally, so that the push rod 51 can be pushed to push the soil sample inside the soil sampling ring 23 out by the bulldozer 57, and the soil sample can be conveniently taken out.

When in use, as the screw rod 29 is rotatably connected in the fixed sleeve 1, the rotating sleeve 28 is connected with the screw thread on the outer part of the screw rod 29, the rotating sleeve 28 is limited by the sliding of the connecting plate 24 and the fixed sleeve 1, the screw rod 29 can rotate in the fixed sleeve 1 by stepping on the pedal 21 fixed with the connecting plate 24 on the outer part, and as the screw rod 29 is fixed with the rotating rod 22 for fixing the soil taking ring 23, the soil taking ring 23 can rotate along with the rotation in the rotation process of the screw rod 29, and as the soil taking ring 23 rotates during the soil taking work, the soil taking ring can accelerate to enter the inner part of the soil, thereby achieving the effect of accelerating the soil taking, thereby greatly accelerating the soil taking efficiency, and as the first spring 25 is clamped and fixed between the connecting plate 24 and the fixed plate 26, after the soil taking is finished, the pedal 21 is automatically restored to the original position, so that the next soil borrowing can be conveniently carried out; because the pressing plate 36 connected inside the water tank 33 in a sliding manner is fixedly connected with the mounting plate 31 through the fixing rod 32, and the mounting plate 31 is connected with the connecting plate 24, when the pedal 21 is stepped on to take out soil, the pressing plate 36 can be driven to press the water inside the water tank 33, the water inside the water tank 33 can press the first sealing plug 38 under the action of pressure, so that the water pipe 35 is communicated with the inside of the water tank 33, at the moment, the water inside the water tank 33 can enter the inside of the water tank 39b inside the soil taking ring 23 along the water pipe 35, and because the plurality of water outlet holes 39c communicated with the water tank 39b are distributed in the soil taking ring 23 in an annular array manner, the water inside the water tank 33 can be injected into the soil from the plurality of water outlet holes 39c, so that the soil is soaked, the hardness of the soil is reduced, the soil is conveniently and quickly taken out soil, after the soil, the water filling plug 37 is driven to slide upwards, when the water filling plug 37 slides upwards, the first sealing plug 38 can be lifted to block the water pipe 35, at the moment, the first sealing plug 38 can abut against the sealing plate 63, the sealing plate 63 can slide towards the inside of the water tank 33, when the communication hole 65 in the sealing plate 63 is communicated with the air inlet hole 64, external air can enter the inside of the water tank 33, and the water filling plug 37 can recover to be convenient for next work; through the rotation of the screw rod 29, the ejector rod 43 fixed outside the screw rod 29 can be driven to rotate, when the ejector rod 43 rotates, the sliding plate 44 can be continuously extruded, the sliding plate 44 can continuously extrude the air bag 46 under the action of the elastic force of the third spring 45, the air bag 46 can be inflated to work, the gas inside the air bag 46 can enter the inside of the oil storage tank 42, at the moment, the internal pressure of the oil storage tank 42 is increased, the second sealing plug 48 connected inside the oil outlet sleeve 47 in a sliding mode can be extruded, when the second sealing plug 48 does not block the oil outlet pipe any more, the lubricating oil inside the oil storage tank 42 can enter the inside of the fixed sleeve 1 through the oil outlet pipe 49a to lubricate moving parts, and therefore the situation that the friction force is increased and even the moving parts are clamped due to long-; when the soil sample in the soil sampling ring 23 needs to be taken out, only the handle 54 needs to be rotated, when the handle 54 rotates, the handle 54 drives the first gear 55 to drive the second gear 56 to rotate, and because the outer diameter of the first gear 55 is smaller than that of the second gear 56, a labor-saving effect can be achieved, and because the second gear 56 is meshed with the rack 53, when the second gear 56 rotates, the rack 53 drives the push rod 51 to work, namely, only the handle 54 needs to be rotated externally, the push rod 51 can be pushed to enable the soil sampling plate 57 to push out the soil sample in the soil sampling ring 23, so that the soil sample can be conveniently taken out.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A soil sampler, characterized by: the soil sampling device comprises a fixed sleeve (1), a soil sampling structure (2), a water injection structure (3), a lubricating structure (4), a soil pushing structure (5) and an air inlet structure (6), wherein the soil sampling structure (2) for sampling soil is arranged inside the fixed sleeve (1) for protecting and mounting other parts, and the water injection structure (3) for injecting water and wetting soil is connected to the outside of the fixed sleeve (1); the lubricating structure (4) used for oiling the soil sampling structure (2) is arranged in the fixed sleeve (1), the soil pushing structure (5) used for pushing out soil samples in the soil sampling structure (2) is arranged in the fixed sleeve (1), and the air inlet structure (6) used for ventilating the water injection structure (3) is arranged in the water injection structure (3);

the soil sampling structure (2) comprises a pedal (21), a rotating rod (22), a soil sampling ring (23), a connecting plate (24), a first spring (25), a fixing plate (26), a fixing groove (27), a rotating sleeve (28) and a screw rod (29), wherein the fixing groove (27) is of a rectangular structure and is arranged on the fixing sleeve (1), the rotating rod (22) with a T-shaped cross section is rotatably connected inside the fixing sleeve (1), the soil sampling ring (23) is fixed at the bottom end of the rotating rod (22), one end of the rotating rod (22) deviating from the soil sampling ring (23) is fixed on the screw rod (29), the screw rod (29) is rotatably connected with the fixing sleeve (1), the rotating sleeve (28) is in threaded connection with the outside of the screw rod (29), the connecting plate (24) is fixed at one end of the rotating sleeve (28), and the connecting plate (24) is in sliding connection with the fixing sleeve (1) through the fixing groove (27), the pedal (21) is fixed at one end of the connecting plate (24) which is far away from the rotating sleeve (28), the fixing plate (26) is fixed outside the fixing sleeve (1), and the first spring (25) is clamped and fixed between the fixing plate (26) and the connecting plate (24);

the water injection structure (3) comprises a mounting plate (31), a fixing rod (32), a water tank (33), a water outlet sleeve (34), a water pipe (35), a pressing plate (36), a water injection plug (37), a first sealing plug (38), a second spring (39), a water channel (39 a), a water tank (39 b) and a water outlet hole (39 c), the mounting plate (31) is fixed at one end of the connecting plate (24), the water tank (33) is fixed at one end of the fixing sleeve (1), the pressing plate (36) is connected to the inside of the water tank (33) in a sliding manner, the fixing rod (32) which is of an inverted 'concave' shaped structure is fixed at one end of the pressing plate (36), the other end of the fixing rod (32) is fixed with the mounting plate (31), the fixing rod (32) is connected with the water tank (33) in a sliding manner, the water injection plug (37) is fixed at one end of the pressing plate (36) deviating, the water outlet sleeve (34) is fixed at the bottom end of the water tank (33) in a vertical relation, the first sealing plug (38) is connected inside the water outlet sleeve (34) in a sliding mode, the second spring (39) is clamped and fixed between the first sealing plug (38) and the water outlet sleeve (34), the water pipe (35) is fixed outside the water outlet sleeve (34), the other end of the water pipe (35) is connected with the soil borrowing ring (23), the water tank (39 b) in an annular structure is arranged inside the soil borrowing ring (23), the water pipe (35) is communicated with the water tank (39 b) through the water channel (39 a), a plurality of water outlet holes (39 c) are distributed in an annular array inside the soil borrowing ring (23), and the water outlet holes (39 c) are communicated with the water tank (39 b);

the air inlet structure (6) comprises a limiting plate (61), a fourth spring (62), a sealing plate (63), an air inlet hole (64) and a communication hole (65), the limiting plate (61) is connected to the inside of the water tank (33) in a sliding manner, the fourth spring (62) is clamped and fixed between the limiting plate (61) and the water tank (33), the sealing plate (63) is fixed in a perpendicular relationship at an end of the stopper plate (61) facing away from the fourth spring (62), the sealing plate (63) is connected with the water tank (33) in a sliding way, one end of the sealing plate (63) departing from the limiting plate (61) is of a semicircular structure, the communicating hole (65) is arranged on the sealing plate (63), the air inlet hole (64) is arranged on the water tank (33), and the diameter of the air intake hole (64) is the same as that of the communication hole (65);

lubricating structure (4) includes oil tank (41), oil storage tank (42), ejector pin (43), slide (44), third spring (45), gasbag (46), goes out oil cover (47), second sealing plug (48), third spring (49) and goes out oil pipe (49 a), and the outside is cuboid structure and inside has the accommodation cavity oil tank (41) is fixed in the outside of fixed cover (1) the inside of oil tank (41) is equipped with oil storage tank (42) the external fixation of lead screw (29) ejector pin (43), just ejector pin (43) with fixed cover (1) rotate to be connected fixed cover (1) with the inside sliding connection of oil tank (41) has slide (44) that is T shape structure slide (44) with the centre gripping is fixed between oil tank (41) third spring (45), the air bag (46) is clamped and fixed between the sliding plate (44) and the oil tank (41), the air bag (46) is communicated with the oil storage groove (42), the oil outlet sleeve (47) is fixed at the bottom end of the oil tank (41) in a vertical relation, the interior of the oil outlet sleeve (47) is communicated with the interior of the oil storage groove (42), the second sealing plug (48) is connected to the interior of the oil outlet sleeve (47) in a sliding mode, the third spring (45) is clamped and fixed between the second sealing plug (48) and the oil outlet sleeve (47), the oil outlet pipe (49 a) is fixed to the exterior of the oil outlet sleeve (47) in an inclined mode, and two ends of the oil outlet pipe (49 a) are respectively communicated with the interior of the oil outlet sleeve (47) and the fixed sleeve (1);

the bulldozing structure (5) comprises a push rod (51), a vertical plate (52), a rack (53), a handle (54), a first gear (55), a second gear (56) and a bulldozing plate (57), the push rod (51) is connected to the fixed sleeve (1) in a sliding manner, the push rod (51) is rotatably connected with the lead screw (29), the cross section of the push rod (51) is of a rectangular structure, the push rod (51) penetrates through the fixed sleeve (1) and the lead screw (29), the bulldozing plate (57) is fixed at one end of the push rod (51), the cross section of the bulldozing plate (57) is of an arc structure, the bulldozing plate (57) is connected with the soil sampling ring (23) in a sliding manner, the vertical plate (52) is fixed at one end of the push rod (51) departing from the bulldozing plate (57), the rack (53) is connected in the fixed sleeve (1), one end of the rack (53) is fixedly connected with the vertical plate (52), the rack (53) and the push rod (51) are arranged in parallel, the handle (54) is rotatably connected inside the fixed sleeve (1), the first gear (55) is fixed outside the handle (54), the first gear (55) is rotatably connected with the fixed sleeve (1), the second gear (56) is rotatably connected inside the fixed sleeve (1), the outer diameter of the first gear (55) is smaller than that of the second gear (56), the first gear (55) is meshed with the second gear (56), and the second gear (56) is meshed with the rack (53);

because the screw rod (29) is rotatably connected in the fixed sleeve (1), the rotating sleeve (28) is in threaded connection with the outer part of the screw rod (29), the rotating sleeve (28) is limited by the sliding of the connecting plate (24) and the fixed sleeve (1), the screw rod (29) can rotate in the fixed sleeve (1) by externally treading the pedal (21) fixed with the connecting plate (24), and the screw rod (29) is fixed with the rotating rod (22) for fixing the soil taking ring (23), therefore, in the rotating process of the screw rod (29), the soil taking ring (23) can also rotate along with the rotating work, when the soil taking ring (23) performs the soil taking work, the soil taking ring (23) rotates, so that the soil can enter the inner part of the soil in an accelerated way, the effect of accelerating the soil taking can be achieved, the soil taking efficiency can be greatly accelerated, and the first spring (25) is also clamped and fixed between the connecting plate (24) and the fixed plate (26), through the elastic force of the first spring (25), the pedal (21) can be automatically restored to the original position after soil taking is finished, so that the next soil taking can be conveniently carried out; because the pressure plate (36) which is connected in a sliding way inside the water tank (33) is fixedly connected with the mounting plate (31) through the fixing rod (32), and the mounting plate (31) is connected with the connecting plate (24), when the pedal (21) is stepped to take the soil, the pressure plate (36) can be driven to press the water inside the water tank (33), the water inside the water tank (33) can press the first sealing plug (38) under the action of pressure, so that the water pipe (35) is communicated with the inside of the water tank (33), the water inside the water tank (33) can enter the water tank (39 b) inside the soil taking ring (23) along the water pipe (35), and because a plurality of water outlet holes (39 c) which are communicated with the water tank (39 b) are distributed in an annular array inside the soil taking ring (23), the water inside the water tank (33) can be injected into the soil from the water outlet holes (39 c), thereby soak the work with soil, make the hardness of soil reduce, thereby convenient quick borrowing, after the borrowing is finished, footboard (21) rises, will drive water injection stopper (37) upwards to slide, water injection stopper (37) when upwards sliding, can mention first sealing plug (38) and block up water pipe (35), first sealing plug (38) will conflict closing plate (63) this moment, closing plate (63) will slide to the inside of water tank (33), when intercommunicating pore (65) and inlet port (64) on closing plate (63) communicate, outside gas will get into the inside of water tank (33), water injection stopper (37) just can resume the normal position, thereby conveniently carry out next work; the ejector rod (43) fixed outside the screw rod (29) can be driven to rotate through the rotation of the screw rod (29), when the ejector rod (43) rotates, the sliding plate (44) can be continuously extruded, the sliding plate (44) can continuously extrude the air bag (46) under the action of the elastic force of the third spring (45), the air bag (46) can be inflated to work, the gas in the air bag (46) can enter the oil storage tank (42), the internal pressure of the oil storage tank (42) is increased, and the second sealing plug (48) which is connected in a sliding manner in the oil outlet sleeve (47) can be extruded, when the second sealing plug (48) no longer blocks the oil outlet pipe, the lubricating oil in the oil storage tank (42) enters the interior of the fixed sleeve (1) through the oil outlet pipe (49 a) to lubricate the moving parts, thereby avoiding the situation that the friction force is increased and even blocked due to long-time non-oiling of moving parts; when the soil sample in the soil sampling ring (23) needs to be taken out, only the handle (54) needs to be rotated, when the handle (54) rotates, the handle (54) drives the first gear (55) to drive the second gear (56) to rotate, the external diameter of the first gear (55) is smaller than that of the second gear (56), the effect of saving labor can be achieved, the second gear (56) is meshed with the rack (53), when the second gear (56) rotates, the rack (53) drives the push rod (51) to work, namely, the handle (54) only needs to be rotated externally, the push rod (51) can be pushed to push the soil shifting plate (57) to push out the soil sample in the soil sampling ring (23), and therefore the soil sample can be taken out conveniently.