CN212844526U - Soil sample drenches solution sampling pipe - Google Patents
Soil sample drenches solution sampling pipe Download PDFInfo
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- CN212844526U CN212844526U CN202021634140.1U CN202021634140U CN212844526U CN 212844526 U CN212844526 U CN 212844526U CN 202021634140 U CN202021634140 U CN 202021634140U CN 212844526 U CN212844526 U CN 212844526U
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Abstract
The utility model discloses a sampling tube for soil sample leaching solution, which comprises a sampling tube; the sampling tube body is provided with openings at two ends, internal threads are formed in the inner side of the top opening, the top opening of the sampling tube body is in threaded connection with the external threads at the bottom of the upper screw cap through the internal threads, and an air tube penetrates through the middle of the upper screw cap; the bottom of the argil head is spherical, the top of the argil head is provided with an annular step groove, and the top of the argil head is clamped at the bottom opening of the sampling tube body through the annular step groove; the soil-piercing protection unit comprises a protection component for protecting the sampling pipe body and a soil-piercing component for penetrating into a soil layer, the protection component is sleeved on the side face of the sampling pipe body, and the soil-piercing component is located on the side face of the argil head. The filter effect to drenching solution is good, drenches solution impurity and is less comparatively limpid, adopts the negative pressure mode sample, accelerates the efficiency of sampling when guaranteeing the filter effect to drench solution and be difficult to flow when shifting the sampling pipe.
Description
Technical Field
The utility model relates to a soil testing technical field specifically is soil sample drenches solution sampling pipe.
Background
In soil research process, can gather the drenching solution of soil sample in many times and carry out the analysis to reacing the particular case of soil, can using the sampling tube usually in the collection process of soil sample drenching solution, the round hole has been seted up to the side of these sampling tubes, inserts the sampling tube in the soil sample of drenching, drenches solution and permeates the sampling tube through the round hole, and this kind of sampling mode drenches solution comparatively muddy, and drenches solution when taking out the sampling tube and shift and still oozes through the round hole easily.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide soil sample drenches solution sampling pipe, it is good to the filter effect who drenches the solution, drenches solution impurity and comparatively limpid less, adopts negative pressure mode sample, accelerates the efficiency of sampling when guaranteeing the filter effect to drench solution when shifting the sampling pipe and be difficult to flow, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a soil sample leaching solution sampling tube, comprising;
the sampling tube body is provided with openings at two ends, internal threads are formed in the inner side of the top opening, the top opening of the sampling tube body is in threaded connection with the external threads at the bottom of the upper screw cap through the internal threads, and an air tube penetrates through the middle of the upper screw cap;
the bottom of the argil head is spherical, the top of the argil head is provided with an annular step groove, and the top of the argil head is clamped at the bottom opening of the sampling tube body through the annular step groove;
the soil-piercing protection unit comprises a protection component for protecting the sampling pipe body and a soil-piercing component for penetrating into a soil layer, the protection component is sleeved on the side face of the sampling pipe body, and the soil-piercing component is located on the side face of the argil head.
Insert the advance position that need draw drenching solution, be less than the density of water according to argil head own characteristic density, drench in solution can permeate the sampling body, in order to accelerate the speed of gathering drenching solution, can connect the vacuum pump in trachea one end, whole extraction link needs sealed effect, goes up spiral cover and sampling body and takes threaded connection.
Furthermore, the diameter of the argil head is the same as that of the sampling pipe body, and the bottom side of the interior of the argil head is of a spherical groove-shaped structure. Design like this and make things convenient for the protection subassembly to cup joint in the sampling body outside, and the argil head is the middle part structure, and the wall thickness is even, conveniently toward the inside infiltration of sampling body drenches solution.
Further, the protection subassembly includes protection ring, protection strip and fastening bolt, the protection ring is provided with two and cup joints the upper and lower end outside at the sampling body respectively, and the side screw female connection of two protection rings has fastening bolt, and fastening bolt medial extremity supports the outside of sampling body, and connects through the protection strip of the angle such as being no less than five between two protection rings. The two protection rings and the protection strips with the same angle form a cylindrical protection frame to protect the sampling tube body, so that the sampling tube body is prevented from generating large pressure by soil samples.
Furthermore, the inboard of protection strip is the arc structure, and the outside of sampling body is hugged closely to the inboard of protection strip. The shape design of protection strip can fully protect the sampling body.
Furthermore, the soil piercing component is an arc soil piercing strip, the arc soil piercing strip is not less than five and wraps the outer side of the argil head at equal angles, the top of the arc soil piercing strip is connected with the protection ring below the arc soil piercing strip, and the width of the bottom of the arc soil piercing strip is gradually narrowed and is converged at the center of the bottom of the argil head. The bottom width of arc thorn soil strip narrows down gradually and forms the cutting part, conveniently pierces the sampling body in the soil sample to arc thorn soil strip also forms the bearer bar and protects the argil head, and argil head atress is too big when avoiding inserting the soil sample.
Further, still include seal cover and check valve, the seal cover has been cup jointed with the junction of last spiral cover to the trachea, and tracheal inside is provided with the check valve. The seal cover improves the leakproofness of the junction of trachea and last spiral shell cover, and the check valve only allows to take out gas outward toward the sampling tube body, and when vacuum pump stop work, even negative pressure state in the sampling tube body, outside gas can not flow back to in the sampling tube body through the trachea yet.
Further, still include body top seal assembly, body top seal assembly sets up the inside top side at the sampling body and sealed with the bottom cooperation of last spiral shell lid.
Further, body top seal subassembly includes solid fixed ring and sealing washer, gu fixed ring cup joints on the inside top side of sampling body, and gu be provided with the sealing washer on the fixed ring. The fixing ring plays a role in supporting the sealing ring for the hard body, the sealing ring can be matched and sealed with the bottom of the upper screw cap, and the sealing performance of the upper screw cap and the top of the sampling tube body is guaranteed.
Further, the sampling tube body comprises a tube body bottom sealing assembly, and the tube body bottom sealing assembly is sleeved at the joint of the annular step groove in the top of the argil head and the bottom opening of the sampling tube body. The sealing component at the bottom of the tube body improves the sealing performance of the connection part of the bottom opening of the argil head and the sampling tube body.
Compared with the prior art, the beneficial effects of the utility model are that: the sampling tube for the soil sample leaching solution has the following advantages:
1. inserting a preset position where the leaching solution needs to be extracted, wherein the leaching solution can permeate into the sampling pipe body according to the fact that the characteristic density of the argil head is smaller than the density of water, in order to accelerate the speed of collecting the leaching solution, a vacuum pump can be connected to one end of the air pipe, the whole extraction link needs a sealing effect, the upper spiral cover is in threaded connection with the sampling pipe body, the argil head is of a middle structure, the wall thickness is uniform, and the leaching solution can conveniently permeate into the sampling pipe body;
2. the two protection rings and the protection strips with equal angles form a cylindrical protection frame to protect the sampling pipe body, so that a soil sample is prevented from generating large pressure on the sampling pipe body, the width of the bottom of the arc-shaped soil piercing strip is gradually narrowed to form a blade part, the sampling pipe body is conveniently pierced into the soil sample, the arc-shaped soil piercing strip also forms the protection frame to protect an argil head, and the argil head is prevented from being stressed too much when the soil sample is inserted;
3. the sealing sleeve improves the sealing performance of the joint of the air pipe and the upper screw cover, the one-way valve only allows air to be pumped out of the sampling pipe body, and when the vacuum pump stops working, the external air cannot flow back into the sampling pipe body through the air pipe even if the sampling pipe body is in a negative pressure state;
4. the fixing ring plays a role in supporting the sealing ring for the hard body, the sealing ring can be matched and sealed with the bottom of the upper screw cap, and the sealing performance of the upper screw cap and the top of the sampling tube body is guaranteed.
5. The filter effect to drenching solution is good, drenches solution impurity and is less comparatively limpid, adopts the negative pressure mode sample, accelerates the efficiency of sampling when guaranteeing the filter effect to drench solution and be difficult to flow when shifting the sampling pipe.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic bottom structure of the present invention;
FIG. 3 is a schematic sectional view of the present invention;
FIG. 4 is an enlarged partial structural view of the upper side of FIG. 3 according to the present invention;
fig. 5 is an enlarged partial structural view of the lower side of fig. 3 according to the present invention.
In the figure: the device comprises a sampling pipe body 1, an upper screw cap 2, a sealing sleeve 3, a 4 air pipe, a 5 soil piercing protection unit, a 51 protection ring, a 52 protection strip, a 53 fastening bolt, a 54 arc soil piercing strip, a 6 argil head, a 7 one-way valve, an 8 pipe body top sealing assembly, an 81 fixing ring, a 82 sealing ring and a 9 pipe body bottom sealing assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the first embodiment, please refer to fig. 1-3, the present embodiment is a technical solution: a soil sample leaching solution sampling tube, comprising;
the sampling tube body 1 is provided with openings at two ends, the inner side of the top opening is provided with internal threads, the top opening of the sampling tube body 1 is in threaded connection with the external threads at the bottom of the upper screw cap 2 through the internal threads, and the middle part of the upper screw cap 2 is provided with an air tube 4 in a penetrating way;
the bottom of the argil head 6 is spherical, the top of the argil head 6 is provided with an annular step groove, and the top of the argil head 6 is clamped at the bottom opening of the sampling tube body 1 through the annular step groove;
the soil-piercing protection unit 5 comprises a protection component for protecting the sampling pipe body 1 and a soil-piercing component for penetrating into a soil layer, the protection component is sleeved on the side face of the sampling pipe body 1, and the soil-piercing component is located on the side face of the argil head 6.
The diameter of the argil head 6 is the same as that of the sampling tube body 1, and the bottom side of the interior of the argil head 6 is of a spherical groove-shaped structure. Design like this and make things convenient for the protection subassembly to cup joint in the sampling body 1 outside, and argil head 6 is the middle part structure, and the wall thickness is even, conveniently toward the inside infiltration of sampling body 1 drenches solution.
The protection assembly comprises two protection rings 51, protection bars 52 and fastening bolts 53, the two protection rings 51 are respectively sleeved on the outer sides of the upper end and the lower end of the sampling tube body 1, the fastening bolts 53 are connected in screw holes in the side faces of the two protection rings 51 in a threaded manner, the inner ends of the fastening bolts 53 abut against the outer side of the sampling tube body 1, and the two protection rings 51 are connected through the protection bars 52 with the same angle of not less than five. The two protection rings 51 and the protection bars 52 with equal angles form a cylindrical protection frame to protect the sampling tube body 1, so that a soil sample is prevented from generating large pressure on the sampling tube body 1.
The inner side of the protection strip 52 is of an arc-shaped structure, and the inner side of the protection strip 52 is tightly attached to the outer side of the sampling tube body 1. The shape of the protective strip 52 is designed to sufficiently protect the sampling tube body 1.
The soil piercing component is an arc soil piercing strip 54, the arc soil piercing strip 54 is not less than five and wraps the outer side of the argil head 6 at equal angles, the top of the arc soil piercing strip 54 is connected with the protection ring 51 below, and the width of the bottom of the arc soil piercing strip 54 is gradually narrowed and converged at the center of the bottom of the argil head 6. The width of the bottom of the arc-shaped soil piercing strip 54 gradually narrows to form a blade part, so that the sampling tube body 1 can be conveniently pierced into a soil sample, and the arc-shaped soil piercing strip 54 also forms a protection frame to protect the argil head 6, so that the argil head 6 is prevented from being stressed too much when the soil sample is inserted.
The working process and principle of the embodiment are as follows: insert sampling body 1 and need draw the advance position of drenching solution, according to argil head 6 own characteristic density be less than the density of water, drench solution can permeate sampling body 1 in, in order to accelerate the speed of gathering drenching solution, can connect the vacuum pump in trachea 4 one end, whole extraction link needs sealed effect, goes up upper screw cap 2 and sampling body 1 and takes threaded connection.
In this embodiment, sampling body 1 can adopt the PVC pipe, and trachea 4 can adopt the PU trachea, and argil head 6's density is higher than the filtration material of using at ordinary times, drenches the solution when shifting the sampling pipe and is difficult to flow.
In the second embodiment, referring to fig. 1 and 3, the present embodiment discloses a soil sample leaching solution sampling tube, which has a structure substantially the same as that of the first embodiment, except that: still include seal cover 3 and check valve 7, seal cover 3 has been cup jointed with the junction of upper screw cap 2 to trachea 4, and the inside of trachea 4 is provided with check valve 7.
The working process and principle of the embodiment are as follows: seal cover 3 improves the leakproofness of the junction of trachea 4 and upper screw cap 2, and check valve 7 only allows toward sampling tube body 1 outer gas pumping, and when vacuum pump stop work, even be the negative pressure state in the sampling tube body 1, outside gas can not flow back to sampling tube body 1 in through trachea 4 yet.
In this embodiment, the sealing sleeve 3 may be one of a rubber sleeve or a silica gel sleeve.
In a third embodiment, referring to fig. 3 and 4, the present embodiment discloses a soil sample leaching solution sampling tube, which has a structure substantially the same as that of the first embodiment, except that: still include body top seal assembly 8, body top seal assembly 8 sets up in the inside top side of sampling body 1 and sealed with the bottom cooperation of upper spin cover 2.
The tube top sealing assembly 8 comprises a fixing ring 81 and a sealing ring 82, the fixing ring 81 is sleeved on the top side of the inner part of the sampling tube body 1, and the sealing ring 82 is arranged on the fixing ring 81. The fixing ring 81 plays a role in supporting the sealing ring 82 for hard materials, the sealing ring 82 can be matched and sealed with the bottom of the upper screw cap 2, and the sealing performance of the upper screw cap 2 and the top of the sampling tube body 1 is guaranteed.
In this embodiment, ring groove has been seted up at the top of solid fixed ring 81, and the bottom of sealing washer 82 is provided with annular card strip, and annular card strip joint is in ring groove, and sealing washer 82 and annular card strip all adopt rubber material.
In a fourth embodiment, referring to fig. 3 and 5, the present embodiment discloses a soil sample leaching solution sampling tube, which has a structure substantially the same as that of the first embodiment, except that: the sampling tube body is characterized by further comprising a tube body bottom sealing assembly 9, wherein the tube body bottom sealing assembly 9 is sleeved at the joint of the annular step groove in the top of the argil head 6 and the bottom opening of the sampling tube body 1, the tube body bottom sealing assembly 9 is an annular rubber sleeve or a silica gel sleeve, and the shape of the tube body bottom sealing assembly 9 is the same as that of the annular step groove in the top of the argil head 6. The sealing component 9 at the bottom of the tube body improves the sealing performance of the connection part of the argil head 6 and the bottom opening of the sampling tube body 1.
It is noted that other parts of the present invention, not specifically disclosed herein, are made by conventional techniques known to those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Soil sample drenches solution sampling pipe, its characterized in that: comprises the following steps of;
the sampling tube body (1) is provided with openings at two ends, an internal thread is arranged on the inner side of the top opening, the top opening of the sampling tube body (1) is in threaded connection with the external thread at the bottom of the upper screw cap (2) through the internal thread, and an air tube (4) penetrates through the middle part of the upper screw cap (2);
the bottom of the argil head (6) is spherical, the top of the argil head is provided with an annular step groove, and the top of the argil head (6) is clamped at the bottom opening of the sampling tube body (1) through the annular step groove;
thorn soil protection unit (5), it includes the protection subassembly that is used for protecting sampling body (1) and the thorn soil subassembly that is used for deepening the soil layer, and the protection subassembly cup joints the side at sampling body (1), and the side that the thorn soil subassembly is located argil head (6).
2. The soil sample leaching solution sampling tube of claim 1, wherein: the diameter of the argil head (6) is the same as that of the sampling pipe body (1), and the bottom side of the interior of the argil head (6) is of a spherical groove-shaped structure.
3. The soil sample leaching solution sampling tube according to claim 1 or 2, wherein: the protection subassembly includes protection ring (51), protection strip (52) and fastening bolt (53), protection ring (51) are provided with two and cup joint respectively in the upper and lower end outside of sampling body (1), and the side screw female connection of two protection rings (51) has fastening bolt (53), and fastening bolt (53) medial extremity supports the outside of sampling body (1), and connects through protection strip (52) of the equal angle of being no less than five between two protection rings (51).
4. The soil sample leaching solution sampling tube of claim 3, wherein: the inner side of the protection strip (52) is of an arc-shaped structure, and the inner side of the protection strip (52) is tightly attached to the outer side of the sampling pipe body (1).
5. The soil sample leaching solution sampling tube of claim 3, wherein: the soil piercing component is an arc soil piercing strip (54), the arc soil piercing strip (54) is not less than five and wraps the outer side of the argil head (6) at an equal angle, the top of the arc soil piercing strip (54) is connected with a protection ring (51) below, and the width of the bottom of the arc soil piercing strip (54) is gradually narrowed and converged at the center of the bottom of the argil head (6).
6. The soil sample leaching solution sampling tube of claim 1, wherein: the air pipe sealing device is characterized by further comprising a sealing sleeve (3) and a one-way valve (7), wherein the sealing sleeve (3) is sleeved at the joint of the air pipe (4) and the upper screw cap (2), and the one-way valve (7) is arranged inside the air pipe (4).
7. The soil sample leaching solution sampling tube according to claim 1 or 6, wherein: still include body top seal assembly (8), body top seal assembly (8) set up in the inside top side of sampling body (1) and with the bottom cooperation of upper spin cover (2) sealed.
8. The soil sample leaching solution sampling tube of claim 7, wherein: body top seal subassembly (8) include solid fixed ring (81) and sealing washer (82), gu fixed ring (81) cup joints on the inside top side of sampling body (1), and gu be provided with sealing washer (82) on fixed ring (81).
9. The soil sample leaching solution sampling tube of claim 1, wherein: the sampling tube body is characterized by further comprising a tube body bottom sealing assembly (9), and the tube body bottom sealing assembly (9) is sleeved at the joint of the top annular step groove of the argil head (6) and the bottom opening of the sampling tube body (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021634140.1U CN212844526U (en) | 2020-08-11 | 2020-08-11 | Soil sample drenches solution sampling pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021634140.1U CN212844526U (en) | 2020-08-11 | 2020-08-11 | Soil sample drenches solution sampling pipe |
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| CN212844526U true CN212844526U (en) | 2021-03-30 |
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| CN202021634140.1U Active CN212844526U (en) | 2020-08-11 | 2020-08-11 | Soil sample drenches solution sampling pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210154A (en) * | 2021-04-25 | 2021-08-06 | 三峡大学 | Ecological slope protection substrate accelerated leaching device and operation method |
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2020
- 2020-08-11 CN CN202021634140.1U patent/CN212844526U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210154A (en) * | 2021-04-25 | 2021-08-06 | 三峡大学 | Ecological slope protection substrate accelerated leaching device and operation method |
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