Drill bit structure of sampler
By introducing spiral blades and an adjustable length extension rod structure into the soil sampler, the problems of large sampling resistance and single depth of the existing soil sampler are solved, and the soil sampling effect with low resistance and high depth is achieved.
Patent Information
- Application Number
- CN202422475936.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-10-14
AI Technical Summary
The existing cylindrical soil samplers need to press the cylindrical drill bit into the soil during sampling, which has a large resistance and laborious resistance, and a single sampling depth, so it is impossible to take samples in depth.
A drill bit structure for a sampler is designed, including a helical blade and an adjustable length extension rod, sampled by rotation down and adjusting length, using the helical blades to rotate in the soil and combined with an adjustable extension rod to increase sampling depth.
It reduces sampling resistance, improves sampling depth, expands the working range of the equipment, and facilitates sampling operation of deep soil.
Smart Images

Figure CN223293658U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of sampler equipment, in particular to a drill bit structure of a sampler. Background Art
[0002] Soil sampler refers to a tool used to obtain soil samples.
[0003] The existing cylindrical soil sampler needs to press the cylindrical sampling drill bit into the soil when sampling. The cylindrical sampling drill bit has a large resistance when pressing into the soil, which is very laborious. In addition, the sampling depth is relatively single and it is impossible to sample deep soil. Utility Model Content
[0004] The utility model provides a drill bit structure of a sampler, which aims to solve the problem of the existing cylindrical soil sampler that, when sampling, the cylindrical sampling drill bit needs to be pressed into the soil, the cylindrical sampling drill bit has a large resistance when pressed into the soil, is very laborious, and the sampling depth is relatively single, making it impossible to sample deep soil.
[0005] The present utility model is implemented as follows: a drill structure of a sampler comprises a sampling barrel, an outer wall of the sampling barrel is fixedly connected with a spiral blade, and the outer wall of the spiral blade is fixedly connected with a fixing rod, the other end of the fixing rod is provided with an extension rod, and the other end of the extension rod is provided with a second handle, the right end of the fixing rod is fixedly connected with an insert, the insert is distributed at the right end of the extension rod, the left end of the extension rod and the left end of the second handle are respectively provided with slots matching the insert, and the outer wall of the extension rod is provided with a pin, and the insert and the outer wall of the extension rod are respectively provided with pin holes matching the pin.
[0006] Preferably, the inner wall of the fixed rod is slidably connected to a sliding rod, and the outer wall of the fixed rod is provided with a ring, one end of the sliding rod is fixedly connected to a push plate, and the other end of the sliding rod is fixedly connected to the ring, and the outer wall of the ring is hinged with a first handle.
[0007] Preferably, the outer wall of the fixing rod is fixedly connected to a limiting ring, and the outer wall of the limiting ring is provided with a slot matching the first handle.
[0008] Preferably, the outer wall of the fixing rod is threadedly connected to a limiting sleeve, and the limiting sleeve is conveniently located at the left end of the extension rod.
[0009] Preferably, the outer wall of the limiting sleeve is provided with anti-slip grooves.
[0010] Compared with the prior art, the embodiments of the present application have the following beneficial effects:
[0011] When sampling is required, the personnel presses and turns the second handle to make the sampling tube rotate and descend in the soil. The spiral blade rotates in the soil, which facilitates the spiral blade to enter the soil and is convenient for personnel to use. By installing multiple extension rods between the fixed rod and the second handle, the length of the sampler can be adjusted, so that deep soil can be sampled, which increases the working range of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a front view structural diagram of the utility model;
[0013] Figure 2 This is a schematic diagram of the front cross-sectional structure of the sampling tube of the present utility model;
[0014] Figure 3 This is a schematic cross-sectional view of the limit sleeve of the present utility model;
[0015] In the figure: 1. Sampling tube; 2. Spiral blade; 3. Fixed rod; 4. Sliding rod; 5. Push plate; 6. Ring; 7. First handle; 8. Limiting ring; 9. Extension rod; 10. Second handle; 11. Insert; 12. Pin; 13. Limiting sleeve. DETAILED DESCRIPTION
[0016] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of the application are only for the purpose of describing specific embodiments and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.
[0017] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.
[0018] The present invention provides a drill bit structure for a sampler, such as Figure 1-3As shown, it includes a sampling tube 1, the outer wall of the sampling tube 1 is fixedly connected to a spiral blade 2, and the outer wall of the spiral blade 2 is fixedly connected to a fixing rod 3, the other end of the fixing rod 3 is provided with an extension rod 9, and the other end of the extension rod 9 is provided with a second handle 10, the right end of the fixing rod 3 is fixedly connected to a plug 11, the plug 11 is distributed at the right end of the extension rod 9, the left end of the extension rod 9 and the left end of the second handle 10 are respectively provided with slots matching the plug 11, and the outer wall of the extension rod 9 is provided with a pin 12, and the outer wall of the plug 11 and the outer wall of the extension rod 9 are respectively provided with pin holes matching the pin 12.
[0019] It should be noted that, due to the existing cylindrical soil sampler, when sampling, the cylindrical sampling drill bit needs to be pressed into the soil, and the cylindrical sampling drill bit has a large resistance to pressing into the soil, which is very laborious, and the sampling depth is relatively single, and it is impossible to sample deep soil. Therefore, in order to solve the problem that the existing cylindrical soil sampler needs to be pressed into the soil when sampling, the cylindrical sampling drill bit has a large resistance to pressing into the soil, which is very laborious, and the sampling depth is relatively single, and it is impossible to sample deep soil, when sampling is required in this solution, the personnel presses the second handle 10 and rotates the second handle 10, which can make the sampling barrel 1 rotate and descend in the soil, and the spiral blade 2 rotates in the soil, which facilitates the spiral blade 2 to enter the soil, making it convenient for personnel to use, and by installing multiple extension rods 9 between the fixed rod 3 and the second handle 10, the length of the sampler can be adjusted, so that deep soil can be sampled, thereby improving the working range of the equipment.
[0020] In a further preferred embodiment of the present invention, Figure 2 As shown, the inner wall of the fixed rod 3 is slidably connected to the sliding rod 4, and the outer wall of the fixed rod 3 is provided with a ring 6, one end of the sliding rod 4 is fixedly connected to the push plate 5, and the other end of the sliding rod 4 is fixedly connected to the ring 6, and the outer wall of the ring 6 is hinged with a first handle 7.
[0021] In this embodiment, by unfolding the first handle 7 , it is convenient for a person to press the first handle 7 so that the push plate 5 pushes the soil in the sampling tube 1 , thereby facilitating the soil to come out of the sampling tube 1 .
[0022] In a further preferred embodiment of the present invention, Figure 1 As shown, the outer wall of the fixing rod 3 is fixedly connected to the limiting ring 8 , and the outer wall of the limiting ring 8 is provided with a slot matching the first handle 7 .
[0023] In this embodiment, when the first handle 7 is not in use, the first handle 7 is clamped on the limiting ring 8 to prevent the first handle 7 from shaking at will.
[0024] In a further preferred embodiment of the present invention, Figure 3As shown, the outer wall of the fixing rod 3 is threadedly connected to the limiting sleeve 13, and the limiting sleeve 13 is conveniently located at the left end of the extension rod 9.
[0025] In this embodiment, the limiting sleeve 13 is rotated to cover the latch pin 12, thereby preventing the latch pin 12 from being disengaged from the latch pin hole, thereby improving the firmness of the connection between the extension rod 9 and the fixed rod 3.
[0026] In a further preferred embodiment of the present invention, Figure 3 As shown, the outer wall of the limiting sleeve 13 is provided with anti-slip grooves.
[0027] In this embodiment, the anti-slip grooves improve the friction of the outer wall of the limiting sleeve 13, thereby preventing the limiting sleeve 13 from slipping when a person rotates it.
[0028] It should be noted that for the aforementioned embodiments, for simplicity of description, they are all expressed as a series of action combinations. However, those skilled in the art should be aware that the present invention is not limited by the order of the actions described, because according to the present invention, certain steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in this specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.
[0029] In the several embodiments provided in this application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely illustrative, such as the division of the above-mentioned units. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the coupling or communication connection between each other shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunications or other forms.
[0030] The units described above as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope to be protected by the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making any creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also fall within the scope to be protected by the present invention.
Claims
1. A drill bit structure of a sampler, characterized in that: The invention comprises a sampling tube (1), wherein the outer wall of the sampling tube (1) is fixedly connected with a spiral blade (2), and the outer wall of the spiral blade (2) is fixedly connected with a fixing rod (3), the other end of the fixing rod (3) is provided with an extension rod (9), and the other end of the extension rod (9) is provided with a second handle (10), the right end of the fixing rod (3) is fixedly connected with an insert (11), the insert (11) is distributed at the right end of the extension rod (9), the left end of the extension rod (9) and the left end of the second handle (10) are respectively provided with a slot matching the insert (11), and the outer wall of the extension rod (9) is provided with a latch (12), and the insert (11) and the outer wall of the extension rod (9) are respectively provided with a latch hole matching the latch (12).
2. The drill bit structure of a sampler according to claim 1, characterized in that: The inner wall of the fixed rod (3) is slidably connected to a sliding rod (4), and the outer wall of the fixed rod (3) is sleeved with a collar (6); one end of the sliding rod (4) is fixedly connected to a push plate (5), and the other end of the sliding rod (4) is fixedly connected to the collar (6); the outer wall of the collar (6) is hinged with a first handle (7).
3. The drill bit structure of a sampler according to claim 2, characterized in that: The outer wall of the fixing rod (3) is fixedly connected to a limiting ring (8), and the outer wall of the limiting ring (8) is provided with a slot matching the first handle (7).
4. The drill bit structure of a sampler according to claim 1, characterized in that: The outer wall of the fixing rod (3) is threadedly connected to a limiting sleeve (13), and the limiting sleeve (13) is conveniently located at the left end of the extension rod (9).
5. The drill bit structure of a sampler according to claim 4, characterized in that: The outer wall of the limiting sleeve (13) is provided with anti-slip grooves.