CN212693384U

CN212693384U - A portable soil gas collector for site environment investigation

Info

Publication number: CN212693384U
Application number: CN202021615754.5U
Authority: CN
Inventors: 张光星
Original assignee: Hainan Zhengyong Ecological Engineering Technology Co ltd
Current assignee: Hainan Zhengyong Ecological Engineering Technology Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-03-12
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a portable soil gas collector for site environment investigation, which comprises a sampling tube, a spearhead, a lifting tube and a handle mechanism, wherein the spearhead is fixedly arranged at the bottom end of the sampling tube, the interior of the sampling tube is hollow, the lifting tube is slidably arranged in the inner cavity of the sampling tube, a screw is arranged at the outer tube wall of a top tube opening of the sampling tube in a threaded manner, and the pin head end of the screw penetrates through the outer tube wall of the sampling tube and is abutted against the outer tube wall of the lifting tube, the lifting tube of the utility model can be directly taken down from the sampling tube, a holding rod can be rapidly disassembled by the detachable threaded installation of a threaded tube and a threaded hole, scales are marked on the outer walls of the lifting tube and the sampling tube, when the depth of the lifting tube inserted into the sampling tube is determined, the length of the whole device is immediately determined, and the detachable installation between the lifting tube and the sampling tube is realized, the portable soil gas collector is convenient to adapt to workers with different heights to use.

Description

A portable soil gas collector for site environment investigation

Technical Field

The utility model relates to a soil gas collector, in particular to a portable soil gas collector for site environment investigation.

Background

The soil gas collector is a collecting tool which is frequently used in long-term environmental investigation;

the traditional soil gas collector still has the following three defects in the daily collection work:

firstly, although the volume specification of the current soil gas collector is reduced as much as possible, the current soil gas collector is still lack of portability due to inconvenient disassembly;

secondly, the traditional soil gas collector is not provided with marked scales, the falling depth of the spearhead can only be measured by an external tool, and the soil gas collecting operation of quantitative depth cannot be efficiently carried out;

thirdly, the device is fixed in specification, so that the device cannot be effectively adapted to workers with different heights to use, and certain inconvenience is brought to use;

aiming at the three defects, a portable soil gas collector for site environment investigation needs to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable soil gas collector for site environment investigation to solve the poor problem of lack portability, unable ration collection and suitability that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a portable soil gas collector for site environment investigation, includes sampling tube, spearhead, elevator and handle mechanism, the bottom fixed mounting of sampling tube has the spearhead, the inside cavity setting that is of sampling tube, slidable mounting has the elevator in the inner chamber of sampling tube, the screw is installed to the outer section of thick bamboo wall department screw thread of the top nozzle of sampling tube, the pin fin end of screw runs through the outer section of thick bamboo wall of sampling tube and the inconsistent setting of outer pipe wall of elevator, the outer section of thick bamboo wall mark of sampling tube has first scale, the bottom outer section of thick bamboo wall of sampling tube runs through the inner chamber and has seted up a plurality of aspirating holes, the outer pipe wall mark of elevator has the second scale, the handle mechanism is installed to the top screw thread of elevator.

As a preferred technical scheme of the utility model, the inner chamber wall fixed mounting of sampler barrel has solid fixed ring, gu the perpendicular fixedly connected with exhaust tube in fixed ring's top, the top of exhaust tube stretches into in the inner chamber to the fall way.

As a preferred technical scheme of the utility model, the perpendicular fixed mounting in top of lift pipe has the screwed pipe, screwed pipe inner chamber and lift pipe inner chamber, exhaust pipe inner chamber, solid fixed ring heart, sampler barrel inner chamber and a plurality of aspirating hole intercommunication set up.

As the utility model discloses a preferred technical scheme, handle mechanism includes the holding rod, the outer pole wall symmetric position in middle part of holding rod sets up threaded hole, and the holding rod passes through screw hole and screwed pipe screw thread installation.

As an optimal technical scheme of the utility model, fixed cover is equipped with four and keeps off the ring, four on the holding rod outer pole wall keep off two liang of establishments of ring to a set of, two sets of keep off the ring about screw hole central symmetry distribution.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a portable soil gas collector for site environment investigation has following three kinds of beneficial effect:

firstly, the lifting pipe of the utility model can be directly taken down from the sampling cylinder, and the holding rod can be rapidly disassembled by the detachable thread installation of the threaded pipe and the threaded hole, so that the whole disassembled collector is linear, the occupied space is reduced as much as possible, and the portability of the device is improved;

secondly, scales are marked on the outer walls of the lifting pipe and the sampling tube, when the depth of the lifting pipe inserted into the sampling tube is determined, the length of the whole device is determined immediately, and soil gas collection of quantitative depth can be completely realized by matching the scales on the outer tube wall of the sampling tube with the scales on the outer tube wall of the lifting pipe;

third, the utility model discloses a realize demountable installation through the screw between fall way and the sampling tube, so when the screw is unscrewed, can adjust the fall way and insert the degree of depth of sampling tube, also be exactly the length of adjusting whole device, make things convenient for the different height staff of adaptation to use this portable soil gas collector.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic structural view of the grip mechanism of the present invention.

In the figure: 1. a sampling tube; 2. a spearhead; 3. a lifting pipe; 4. a grip mechanism; 11. a screw; 12. a first scale; 13. an air exhaust hole; 14. a fixing ring; 15. an air exhaust pipe; 31. a threaded pipe; 32. a second scale; 41. a holding rod; 42. a threaded hole; 43. and (4) a baffle ring.

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.

Referring to fig. 1-3, the present invention provides a portable soil gas collector for field environment investigation, comprising a sampling tube 1, a spearhead 2, a lifting tube 3 and a handle mechanism 4, wherein the spearhead 2 is fixedly installed at the bottom end of the sampling tube 1, the sampling tube 1 is hollow, the lifting tube 3 is slidably installed in the inner cavity of the sampling tube 1, a screw 11 is threadedly installed on the outer tube wall of the top opening of the sampling tube 1, the length of the screw 11 is smaller than the outer diameter of the maximum latitude of the spearhead 2, so that the screw 11 is conveniently inserted into soil, the head end of the screw 11 penetrates through the outer tube wall of the sampling tube 1 and is abutted against the outer tube wall of the lifting tube 3, a first scale 12 is marked on the outer tube wall of the sampling tube 1, a plurality of air extraction holes 13 are formed in the inner cavity through the bottom outer tube wall of the sampling tube 1, a second scale 32 is marked on the outer tube wall of the lifting tube 3, a handle mechanism 4 is installed on the top end of the lifting pipe 3 through threads.

Wherein, the fixed ring 14 of chamber wall fixed mounting in the sampler barrel 1, the perpendicular fixedly connected with exhaust tube 15 in top of fixed ring 14, the top of exhaust tube 15 stretches into to the inner chamber of elevator pipe 3 in, the meaning that the exhaust tube 15 set up lies in avoiding sampler barrel 1 and elevator pipe 3 junction gas leakage, strengthens the stability of sampler barrel 1 and elevator pipe 3 relative slip process simultaneously.

Wherein, the perpendicular fixed mounting in top of elevator pipe 3 has screwed pipe 31, and the setting of screwed pipe 31 inner chamber and 3 inner chambers of elevator pipe, 15 inner chambers of exhaust tube, the 14 ring centers of solid fixed ring, 1 inner chamber of sampling tube and a plurality of aspirating hole 13 intercommunication guarantees that the gas circuit of bleeding is unblocked.

The grip mechanism 4 includes a grip rod 41, a threaded hole 42 is formed in the middle portion of the grip rod 41 at a symmetrical position of the outer rod wall, and the grip rod 41 is installed with the threaded pipe 31 through the threaded hole 42, so that the grip mechanism is convenient to detach and install.

Wherein, four fender rings 43 are fixedly sleeved on the outer rod wall of the holding rod 41, two by two of the four fender rings 43 are set as a group, and two groups of the fender rings 43 are distributed symmetrically about the center of the threaded hole 42, so as to avoid hand slipping and facilitate pressing down of the holding rod 41.

The method comprises the following operation steps:

firstly, loosening the screw 11, adjusting the depth of the lifting pipe 3 inserted into the sampling tube 1, namely adjusting the length of the whole device, then tightening the screw 11, and fixing the lifting pipe 3 and the sampling tube 1; the holding rod 41 is arranged at the top end of the lifting pipe 3 through the threaded installation of the threaded hole 42 and the threaded pipe 31;

secondly, aligning the spearhead 2 to an area to be collected through the holding rod 41, and dividing the area into two conditions according to the difference of quantitative sampling depth at the moment, wherein the first condition is that the quantitative sampling depth is less than 80 centimeters, the upper cylinder opening of the sampling cylinder 1 is just parallel to the ground at the moment, the second condition is that the quantitative sampling depth is more than 80 centimeters, the sampling cylinder 1 is completely inserted into the soil at the moment, the lifting pipe 3 is also partially inserted into the soil at the moment, and the quantitative measurement depth at the moment is the sum of 80 centimeters plus the cylinder opening of the sampling cylinder 1 before measurement as a base point to the scale reading of intersection between the current ground and the lifting pipe 3;

and thirdly, connecting the external air pipe to the top end of the threaded pipe 31, starting air extraction through an electric air pump, enabling the air in the soil to firstly enter the inner cavity of the sampling tube 1 through a plurality of air extraction holes 13, then penetrating through the fixing ring 14 to enter the air extraction pipe 15, then reaching the inner cavity of the lifting pipe 3, and finally entering the external air pipe from the inner cavity of the threaded pipe 31 until the air is pumped into the air pump.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

1. A portable soil gas collector for field environment investigation comprises a sampling tube (1), a spearhead (2), a lifting tube (3) and a handle mechanism (4), and is characterized in that the spearhead (2) is fixedly installed at the bottom end of the sampling tube (1), the interior of the sampling tube (1) is hollow, the lifting tube (3) is slidably installed in an inner cavity of the sampling tube (1), a screw (11) is installed at the outer tube wall of a top tube opening of the sampling tube (1) in a threaded manner, a nail head end of the screw (11) penetrates through the outer tube wall of the sampling tube (1) and is in contact with the outer tube wall of the lifting tube (3), a first graduated scale (12) is marked on the outer tube wall of the sampling tube (1), a plurality of holes (13) are formed in the inner cavity in a penetrating manner at the outer tube wall of the bottom of the sampling tube (1), a second graduated scale (32) is marked on the outer tube wall of the lifting tube (3), and a handle mechanism (4) is installed at the top end of the lifting pipe (3) through threads.

2. The portable soil gas collector for field environment investigation of claim 1, wherein: the inner cavity wall of the sampling tube (1) is fixedly provided with a fixing ring (14), the top end of the fixing ring (14) is fixedly connected with an exhaust tube (15), and the top end of the exhaust tube (15) extends into the inner cavity of the lifting tube (3).

3. The portable soil gas collector for field environment investigation of claim 1, wherein: the vertical fixed mounting in top of lifting pipe (3) has screwed pipe (31), screwed pipe (31) inner chamber and lifting pipe (3) inner chamber, exhaust tube (15) inner chamber, solid fixed ring (14) ring heart, sampler barrel (1) inner chamber and a plurality of aspirating hole (13) intercommunication set up.

4. The portable soil gas collector for field environment investigation of claim 1, wherein: the handle mechanism (4) comprises a holding rod (41), threaded holes (42) are formed in the middle part of the outer rod wall of the holding rod (41) in a symmetrical position, and the holding rod (41) is in threaded installation with the threaded pipe (31) through the threaded holes (42).

5. The portable soil gas collector for field environment investigation of claim 4, wherein: four retaining rings (43) are fixedly sleeved on the outer rod wall of the holding rod (41), every two of the four retaining rings (43) are arranged into a group, and the two groups of retaining rings (43) are distributed in a central symmetry mode about the threaded hole (42).