Soil sampling device for environmental protection engineering
By designing a soil sampling device with an adjustable foot pedal component, the problems of difficulty in inserting a soil auger into hard soil and fixed sampling depth were solved, enabling flexible and deeper soil sampling operations.
Patent Information
- Application Number
- CN202520141038.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing soil augers are difficult to insert into hard soil, and the fixed footplate results in a fixed sampling depth, making it impossible to sample deeper soil, which greatly limits their use.
A soil sampling device including an adjustable foot pedal assembly was designed. The combination of a ratchet rack, an L-shaped hook, and a U-shaped pedal enables adjustable foot pedal force. In conjunction with the material pushing assembly, it allows for deeper soil sampling.
It achieves greater flexibility and convenience in deeper soil sampling, is simple to operate, and has adjustable sampling depth, overcoming the limitations of fixed pedal structures.
Smart Images
Figure CN223783938U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to soil sampling device technical field, specifically a soil sampling device for environmental protection engineering. BACKGROUND
[0002] Environmental protection engineering refers to the engineering for environmental protection, and soil sampling is carried out before environmental protection engineering, and instruments are used for analysis, and a soil sampler is used for soil sampling, and the soil sampler refers to a tool for obtaining a soil sample.
[0003] The commonly used soil sampler is generally a soil drill, the soil drill is composed of a drill bit made of hard material and a handle, in the soil sampling process, different soil textures are encountered, such as clay, loam, sandy soil and peat soil, and it is not easy to insert the soil drill into the hard soil, therefore, some soil drills are provided with a pedal, and the pedal is used to apply downward pressure by stepping, so as to realize the operation of inserting the drill bit into the soil, however, the pedal is mostly in a fixed state, so that the sampling depth is fixed, and the soil sampling in a deeper place cannot be carried out, and there is certain limitation in use, based on this, the soil sampling device for environmental protection engineering is provided. SUMMARY
[0004] The utility model discloses a soil sampling device for environmental protection engineering.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a soil sampling device for environmental protection engineering, which comprises a soil drill assembly composed of a fixed handle, a connecting cylinder and a sampling head, and a pushing assembly, the fixed handle, the connecting cylinder and the sampling head are sequentially connected and fixed from top to bottom, the pushing assembly is distributed on the sampling head and the connecting cylinder and protrudes to the top of the fixed handle, and is used for pushing the soil in the sampling head to realize discharging operation, an adjustable pedal assembly is arranged on the outer side of the connecting cylinder, and is used for providing a pedal force application position when the sampling head is inserted into the soil.
[0006] The adjustable pedal assembly comprises a ratchet rack, a middle-shaped pedal, a middle-shaped sliding groove and an L-shaped clamping hook.
[0007] The ratchet rack is provided with two, and the two ratchet racks are symmetrically fixed on the outer walls of the connecting cylinder.
[0008] The middle-shaped sliding groove is arranged in the middle of the middle-shaped pedal and penetrates the upper and lower ends of the middle-shaped pedal, and the middle-shaped pedal is slidably connected to the outer sides of the connecting cylinder and the ratchet rack through the middle-shaped sliding groove.
[0009] The L-shaped clamping hook is symmetrically connected with the inside of the Chinese character type sliding groove and protrudes from the upper and lower ends of the Chinese character type pedal, the L-shaped clamping hook is connected with the ratchet gear at the lower end of the Chinese character type pedal, and the two transverse arm portions of the Chinese character type pedal are used for stepping by the feet.
[0010] As a further scheme of the utility model, the adjustable pedal assembly further comprises a fixed plate and a W-shaped elastic sheet.
[0011] The fixed plate is distributed above the Chinese character type pedal and is symmetrically fixed to the outer wall of the L-shaped clamping hook, the W-shaped elastic sheet is distributed between the bottom end of the fixed plate and the top end of the ratchet gear, and the upper and lower ends of the W-shaped elastic sheet are fixed to the L-shaped clamping hook and the ratchet gear respectively, and the W-shaped elastic sheet is used for providing elastic force for the L-shaped clamping hook to realize stable connection of the L-shaped clamping hook and the ratchet gear.
[0012] As a further scheme of the utility model, the upper surface of the tooth block of the ratchet gear is a horizontal surface, and the lower surface is an inclined surface, and the lower surface of the bottom clamping block of the L-shaped clamping hook is a horizontal surface, and the upper surface is an inclined surface.
[0013] As a further scheme of the utility model, the top end of the middle part of the Chinese character type pedal is fixed with a ring-shaped cover, the top part of the L-shaped clamping hook, the fixed plate and the W-shaped elastic sheet are distributed inside the ring-shaped cover, and the top of the L-shaped clamping hook protrudes from the top of the ring-shaped cover.
[0014] As a further scheme of the utility model, the outside of the connecting cylinder is welded with a limiting ring block at the top of the ratchet gear, and the limiting ring block is used for limiting the upward height of the limiting ring block.
[0015] As a further scheme of the utility model, the pushing assembly comprises a pushing handle, an extension rod and a pushing block.
[0016] The top middle part of the fixed handle is provided with a through hole in communication with the inner cavity of the connecting cylinder, and the inner cavity of the connecting cylinder is in communication with the inner cavity of the sampling head.
[0017] The pushing handle, the extension rod and the pushing block are sequentially and fixedly connected from top to bottom, the pushing handle is distributed above the fixed handle, the extension rod penetrates through the through hole, the connecting cylinder and the inside of the sampling head in sequence, and the pushing block is distributed inside the sampling head.
[0018] Compared with the prior art, the utility model has the advantages that:
[0019] Through setting the adjustable foot pedal assembly, a foot pedal force application part can be provided for sampling operation, so that soil sampling is more easy, through up adjustment of the middle-shaped pedal, deeper layer soil sampling can be adapted, the whole operation is simple and convenient, compared with the fixed pedal structure, the sampling depth is deeper, and sampling operation is more flexible. BRIEF DESCRIPTION OF DRAWINGS
[0020] Fig. 1 It is a structural schematic view of the utility model;
[0021] Fig. 2 It is a structural section view of the adjustable foot pedal assembly and the connecting cylinder installation state of the utility model;
[0022] Fig. 3 It is a section view schematic view of the adjustable foot pedal assembly of the utility model;
[0023] Fig. 4 It is a split schematic view of the pushing assembly and the soil drill assembly of the utility model.
[0024] In the drawing: 1, soil drill assembly; 101, fixed handle; 102, connecting cylinder; 103, sampling head; 104, through hole; 2, pushing assembly; 201, pushing handle; 202, extension rod; 203, pushing block; 3, adjustable foot pedal assembly; 301, ratchet rack; 302, limit ring block; 303, middle-shaped pedal; 304, middle-shaped sliding groove; 305, L-shaped clamping hook; 306, fixed plate; 307, W-shaped elastic sheet; 308, annular cover. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0026] Please refer to Figs. 1-4 In the embodiments of the utility model, a soil sampling device for environmental protection engineering comprises a soil drill assembly 1 composed of a fixed handle 101, a connecting cylinder 102 and a sampling head 103 and a pushing assembly 2, the fixed handle 101, the connecting cylinder 102 and the sampling head 103 are sequentially connected and fixed from top to bottom, the pushing assembly 2 is distributed on the sampling head 103 and the connecting cylinder 102 and protrudes to the top of the fixed handle 101, is used for pushing the soil in the sampling head 103 to realize discharging operation, the outer side of the connecting cylinder 102 is provided with an adjustable foot pedal assembly 3, when the sampling head 103 is inserted into the soil, the adjustable foot pedal assembly 3 is used for providing a foot pedal force application part;
[0027] The adjustable pedal assembly 3 comprises two ratchet racks 301, a Chinese character type pedal 303, a Chinese character type sliding groove 304, an L-shaped hook 305, a fixed plate 306, and a W-shaped spring 307.
[0028] The two ratchet racks 301 are symmetrically fixed to the outer walls of the connecting cylinder 102.
[0029] The Chinese character type sliding groove 304 is formed in the middle of the Chinese character type pedal 303 and penetrates the upper and lower ends of the Chinese character type pedal 303, and the Chinese character type pedal 303 is slidably connected to the outside of the connecting cylinder 102 and the ratchet racks 301 through the Chinese character type sliding groove 304.
[0030] The L-shaped hook 305 is symmetrically connected to the inside of the Chinese character type sliding groove 304 and protrudes from the upper and lower ends of the Chinese character type pedal 303, and the part of the L-shaped hook 305 located at the lower end of the Chinese character type pedal 303 is connected to the ratchet rack 301, which is used to limit the downward movement of the Chinese character type pedal 303, and the two horizontal arm parts of the Chinese character type pedal 303 are used for foot stepping.
[0031] The upper surface of the tooth block of the ratchet rack 301 is a horizontal surface, and the lower surface is an inclined surface, the lower surface of the bottom block part of the L-shaped hook 305 is a horizontal surface, and the upper surface is an inclined surface.
[0032] The fixed plate 306 is distributed above the Chinese character type pedal 303 and is symmetrically fixed to the outer walls of the L-shaped hook 305, and the W-shaped spring 307 is distributed between the bottom end of the fixed plate 306 and the top end of the ratchet rack 301, and the upper and lower ends of the W-shaped spring 307 are respectively fixed to the L-shaped hook 305 and the ratchet rack 301, and the W-shaped spring 307 is used to provide elastic force for the L-shaped hook 305, so as to stably connect the L-shaped hook 305 and the ratchet rack 301.
[0033] The pushing assembly 2 comprises a pushing handle 201, an extension rod 202, and a pushing block 203.
[0034] The top middle part of the fixed handle 101 is provided with a through hole 104 which is in communication with the inner cavity of the connecting cylinder 102, and the inner cavity of the connecting cylinder 102 is in communication with the inner cavity of the sampling head 103.
[0035] The pushing handle 201, the extension rod 202, and the pushing block 203 are sequentially and fixedly connected from top to bottom, the pushing handle 201 is distributed above the fixed handle 101, the extension rod 202 penetrates the through hole 104, the connecting cylinder 102, and the inside of the sampling head 103 in sequence, and the pushing block 203 is distributed on the inside of the sampling head 103.
[0036] In this embodiment: need to supplement that: the middle letter type chute 304 is composed of a central circular hole groove and two straight slots, two straight slots are symmetrically distributed on both sides of the circular hole groove, the inner diameter of the circular hole groove matches the outer diameter of the connecting cylinder 102, and two L-shaped hooks 305 are rotatably connected to the inner side of the two straight slots, and the two straight slots are used to provide a through space for the ratchet rack 301;
[0037] The operation steps of the sampling device are as follows:
[0038] By holding the fixed handle 101 and making the sampling head 103 perpendicular to the soil ground, then pressing down with the hands, at the same time, stepping on the middle letter type pedal 303 to apply downward pressure (it should be noted that the middle letter type pedal 303 is in the default initial state at the lowest position), the sampling head 103 can be inserted into the soil, in this process, the pushing block 203 is subjected to extrusion force from the soil, and the pushing assembly 2 is moved upward as a whole;
[0039] When the sampling head 103 is completely inserted into the soil, the device can be lifted as a whole, then the sampling head 103 is aligned with the sample storage box, and the pushing handle 201 is pushed to make the pushing assembly 2 move downward as a whole, and the downward pushing block 203 can push the soil sample in the sampling head 103 to fall into the storage box;
[0040] Then secondary sampling can be performed at a deeper layer, at this time, the middle letter type pedal 303 can be manually moved upward by a distance (or the back of the foot can be used to push the middle letter type pedal 303 upward), in this process, the inclined surface of the L-shaped hook 305 bottom end clamping block part and the inclined surface of the tooth block of the ratchet rack 301 are extruded, the L-shaped hook 305 is rotated and extruded to further bend the W-shaped spring 307, so that the middle letter type pedal 303 can be smoothly moved upward, when the L-shaped hook 305 bottom end clamping block part moves to the middle position of the two tooth blocks, the L-shaped hook 305 is reset under the action of the elastic force of the W-shaped spring 307, so that the bottom end clamping block part is clamped into the middle position of the two tooth blocks, if the middle letter type pedal 303 moves downward, the bottom horizontal surface of the L-shaped hook 305 bottom end clamping block part and the top horizontal surface of the tooth block are mutually attached to achieve the locking effect, so that the one-way self-locking function of the middle letter type pedal 303 is realized, and the height of the middle letter type pedal 303 is fixed;
[0041] Through the upward movement of the middle letter type pedal 303, when the sampling head 103 enters the bottom of the previous soil sampling port, the sampling head 103 can be further moved downward by stepping on the middle letter type pedal 303, so as to complete the sampling of the deeper layer of soil.
[0042] Please refer to Figs. 1-4The top end of the middle part of the middle-shaped pedal 303 is fixed with a ring-shaped cover 308, the top part of the L-shaped hook 305, the fixed plate 306 and the W-shaped elastic sheet 307 are distributed inside the ring-shaped cover 308, and the top part of the L-shaped hook 305 protrudes from the top part of the ring-shaped cover 308;
[0043] The outer side of the connecting cylinder 102 is welded with a limiting ring block 302 on the top of the ratchet rack 301, and the limiting ring block 302 is used for limiting the upward height of the limiting ring block 302.
[0044] In the embodiment, the L-shaped hook 305, the fixed plate 306, the W-shaped elastic sheet 307 and the ratchet rack 301 can be shielded and protected by the ring-shaped cover 308, so that the collision between the feet and the above-mentioned parts when the feet tread the middle-shaped pedal 303 is avoided, and the safety of the device is ensured.
[0045] In addition, the top part of the L-shaped hook 305 protrudes from the top part of the ring-shaped cover 308, so that the L-shaped hook 305 can be contacted and manually moved, so as to release the locking state of the L-shaped hook 305 and the ratchet rack 301, and the middle-shaped pedal 303 can be manually reset to the lowest position.
[0046] The upward height of the middle-shaped pedal 303 can be limited by the limiting ring block 302, so as to determine the deepest sampling depth of the soil.
[0047] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A soil sampling device for environmental engineering, comprising a soil drill assembly (1) consisting of a fixed handle (101), a connecting cylinder (102), and a sampling head (103), and a material pushing assembly (2), wherein the fixed handle (101), the connecting cylinder (102), and the sampling head (103) are connected and fixed in sequence from top to bottom, and the material pushing assembly (2) is distributed between the sampling head (103) and the connecting cylinder (102) and protrudes to the top of the fixed handle (101), used to push the soil inside the sampling head (103) to achieve the discharge operation, characterized in that, An adjustable foot pedal assembly (3) is provided on the outside of the connecting cylinder (102). When the sampling head (103) is inserted into the soil, the adjustable foot pedal assembly (3) is used to provide a foot pedal force application point. The adjustable foot pedal assembly (3) includes a ratchet rack (301), a Chinese-shaped pedal (303), a Chinese-shaped slide (304), and an L-shaped hook (305); Two ratchet racks (301) are provided, and the two ratchet racks (301) are symmetrically fixed on both sides of the outer wall of the connecting cylinder (102); The Chinese character-shaped groove (304) is opened in the middle of the Chinese character-shaped pedal (303) and completely passes through the upper and lower ends of the Chinese character-shaped pedal (303). The Chinese character-shaped pedal (303) is slidably sleeved on the outside of the connecting cylinder (102) and the ratchet rack (301) through the Chinese character-shaped groove (304). The L-shaped hook (305) is symmetrically rotated around the connecting cylinder (102) and connected to the inner side of the Chinese character-shaped slide groove (304) and protrudes from the upper and lower ends of the Chinese character-shaped pedal (303). The part of the L-shaped hook (305) located at the lower end of the Chinese character-shaped pedal (303) engages with the ratchet rack (301) to limit the downward movement of the Chinese character-shaped pedal (303). The two lateral arm parts of the Chinese character-shaped pedal (303) are used for foot pedaling.
2. The soil sampling device for environmental engineering according to claim 1, characterized in that, The adjustable pedal assembly (3) also includes a fixing plate (306) and a W-shaped spring (307). The fixing plate (306) is distributed above the T-shaped pedal (303) and symmetrically fixed to both ends of the outer wall of the L-shaped hook (305). The W-shaped spring piece (307) is distributed between the bottom end of the fixing plate (306) and the top end of the ratchet rack (301). The upper and lower ends of the W-shaped spring piece (307) are fixed to the L-shaped hook (305) and the ratchet rack (301) respectively. The W-shaped spring piece (307) is used to provide elastic force to the L-shaped hook (305) to achieve a stable engagement between the L-shaped hook (305) and the ratchet rack (301).
3. The soil sampling device for environmental engineering according to claim 1, characterized in that, The upper surface of the tooth block of the ratchet rack (301) is horizontal and the lower surface is inclined. The lower surface of the bottom block of the L-shaped hook (305) is horizontal and the upper surface is inclined.
4. A soil sampling device for environmental engineering according to claim 2, characterized in that, The top of the center of the Chinese character-shaped pedal (303) is fixed with an annular cover (308). The top of the L-shaped hook (305), the fixing plate (306), and the W-shaped spring piece (307) are distributed inside the annular cover (308), and the top of the L-shaped hook (305) protrudes from the top of the annular cover (308).
5. A soil sampling device for environmental engineering according to claim 1, characterized in that, The outer side of the connecting cylinder (102) is welded and fixed to the top of the ratchet rack (301). The limiting ring block (302) is used to limit the upward movement height of the limiting ring block (302).
6. A soil sampling device for environmental engineering according to claim 1, characterized in that, The pusher assembly (2) includes a pusher handle (201), an extension rod (202), and a pusher block (203); The fixed handle (101) has a through hole (104) at the top center that communicates with the inner cavity of the connecting cylinder (102), and the inner cavity of the connecting cylinder (102) communicates with the inner cavity of the sampling head (103). The push handle (201), extension rod (202), and push block (203) are arranged and fixedly connected from top to bottom. The push handle (201) is located above the fixed handle (101). The extension rod (202) passes through the through hole (104) and the connecting cylinder (102) to the inside of the sampling head (103). The push block (203) is located inside the sampling head (103).