CN207164049U - A kind of DGT overcoats of favorable sealing property - Google Patents
A kind of DGT overcoats of favorable sealing property Download PDFInfo
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- CN207164049U CN207164049U CN201721167596.XU CN201721167596U CN207164049U CN 207164049 U CN207164049 U CN 207164049U CN 201721167596 U CN201721167596 U CN 201721167596U CN 207164049 U CN207164049 U CN 207164049U
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- pedestal
- block
- annular
- inner core
- locking device
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Abstract
The utility model creates the DGT overcoats for providing a kind of favorable sealing property, including base, block and locking device；Base includes side wall and is provided with externally threaded pedestal and is fixed on the inner core of pedestal upper surface, and pedestal and inner core are cylindrical structure, and the two is arranged concentrically, and the external diameter of inner core is less than the external diameter of pedestal, and inner core upper surface is provided with the deep gouge to lower recess；Block is located at the upper surface of inner core, and block is provided with the through hole that the concentric and size with deep gouge is less than deep gouge, and the lateral wall lower end of block is provided with the annular overlap joint platform for being overlapped in pedestal upper surface, and the external diameter of annular overlap joint platform is equal with the external diameter of pedestal；Locking device is annular, is sheathed on base and block junction, and locking device top is provided with the overlap edge for being overlapped in shape overlap joint platform upper surface, and madial wall is provided with the internal thread adaptable with the external screw thread of pedestal.The described DGT jacket structures of the utility model creation are simple and convenient to operate, favorable sealing property, and dismounting assembling can be repeated several times and use.
Description
Technical field
The invention belongs to DGT technical fields, more particularly, to a kind of DGT overcoats of favorable sealing property.
Background technology
Although heavy metal full dose can be as the important indicator of its poisonous effect, full dose and its poisonous effect to biology
Between correlation it is not notable, therefore researcher is exploring a kind of monitoring side that can effectively reflect heavy metal toxicity effect always
Method, heavy metal pollution risk is assessed for substituting full dose, the DGT technologies used at present are used to assess heavy metal biological poisonous effect
Obtain good effect.
DGT refers to diffusion thin film technique, is a kind of passive sampling technology in situ, can be not influence mother solution dense
Online on the premise of degree and surrounding environment to collect target analytes, the technology is based on ion diffusion principle.Based on DGT technological development
DGT devices generally comprise filter membrane, diffusion phase, with reference to mutually and by this three parts DGT overcoats are fixed, existing DGT overcoats still deposit
Assembling the shortcomings that inconvenient, complicated, sealing property is bad.
The content of the invention
In view of this, the invention be directed to it is a kind of it is simple in construction, beneficial to carry, it is reusable, easy to assembly,
The DGT overcoats of favorable sealing property, to solve the above problems.
To reach above-mentioned purpose, what the technical scheme of the invention was realized in：
A kind of DGT overcoats of favorable sealing property, including base, block and lock sleeve；The base is provided with including side wall
Externally threaded pedestal and the inner core for being fixed on the pedestal upper surface, the pedestal and the inner core are cylindrical structure, and two
Person is arranged concentrically, and the external diameter of the inner core is less than the external diameter of the pedestal, and the inner core upper surface is provided with the deep gouge to lower recess；
The block is located at the upper surface of the inner core, and the block is provided with the concentric and size with the deep gouge and is less than the deep gouge
Through hole, the lateral wall lower end of the block are provided with the annular overlap joint platform for being overlapped in the pedestal upper surface, the annular overlap joint platform
External diameter it is equal with the external diameter of the pedestal；The locking device is annular, is sheathed on the base and the block junction,
The locking device top is provided with the overlap edge for being overlapped in the annular overlap joint platform upper surface, and madial wall is provided with and the pedestal
The adaptable internal thread of external screw thread.
Further, the upper surface of the annular overlap joint platform is provided with annular groove, and the overlap edge of the locking device is ring
Shape, the lower surface of the overlap edge are provided with the casting lug thereon stated groove with institute annular and be adapted.
Further, the block bottom and the bottom of the annular overlap joint platform are equipped with sealing gasket.
Further, the deep gouge and the through hole are circle.
Further, the material of the base, the block, the annular overlap joint platform and the locking device is ABS
Engineering plastics.
Relative to prior art, a kind of DGT overcoats of favorable sealing property described in the invention have the advantage that：
Base and block are tightly fixed together by the invention by locking device, and locking device top is provided with can
The overlap edge for the overlap joint platform upper surface for being fixed on block lower end is overlapped on, madial wall is provided with the interior spiral shell being adapted with pedestal external screw thread
Line, user only need locking device being sheathed on the two wall outer surface, tighten the fixation that three can be achieved, structure letter
Single, easy to operate, favorable sealing property, and dismounting assembling can be repeated several times and use.
Brief description of the drawings
The accompanying drawing for forming the part of the invention is used for providing further understanding the invention, present invention wound
The schematic description and description made is used to explain the invention, does not form the improper restriction to the invention.
In accompanying drawing：
Fig. 1 is the decomposing schematic representation of DGT overcoats described in the invention；
Fig. 2 is the schematic diagram after DGT overcoats assembling described in the invention；
Fig. 3 is Fig. 2 internal structure schematic diagram.
Description of reference numerals：
1- bases；2- blocks；3- locking devices；4- pedestals；5- inner cores；6- deep gouges；7- through holes；8- annular overlap joint platforms；9-
Overlap edge；10- annular grooves.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the invention can
To be mutually combined.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the invention and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the invention, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the invention
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
Describe the invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Fig. 1,2 and 3, a kind of DGT overcoats of favorable sealing property, including base 1, block 2 and locking device 3；
Wherein, the inner core 5 that base 1 includes the pedestal 4 of a cylindrical structure and is fixed on pedestal 4, the side wall appearance of pedestal 4
Face is provided with external screw thread, and inner core 5 is also cylindrical structure, and its upper surface is provided with the circular deep gouge 6 to cave inward, inner core 5 and pedestal 4
It is arranged concentrically, its external diameter is less than the external diameter of pedestal 4；
Block 2 is located at the upper surface of inner core 5, which is provided with the manhole 7 that and size concentric with deep gouge 6 is less than deep gouge 6,
The lateral wall lower end of block 2 is provided with the annular overlap joint platform 8 for being overlapped in the upper surface of pedestal 4, the external diameter and pedestal 4 of annular overlap joint platform 8
External diameter it is equal, the bottom of block 2 and annular overlap joint platform 8 bottom be equipped with sealing gasket；
Locking device 3 is annular, is sheathed on base 1 and the junction of the block 2, and the top of locking device 3 is provided with and is overlapped in
The annular overlap edge 9 of annular overlap joint platform 8 upper surface, madial wall are provided with the internal thread adaptable with the external screw thread of pedestal 4, that is, locked
Tight device 3 is connected by overlap edge 9 with block 2, is fixed being realized by screw thread and base 1, and then block 2 and base 1 is tight
Close is fixed together；The upper surface of annular overlap joint platform 8 is provided with annular groove 10, and the lower surface of overlap edge 9 is provided with and institute's annular
State the adaptable casting lug thereon of groove 10.
The course of work of the invention is as follows：
By solid bond phase, diffusion mutually and filter membrane is set in turn in deep gouge 6, block 2 is covered, by locking device 3
The two wall outer surface is sheathed on, rotates the locking device 3, annular overlap joint platform is overlapped in the overlap edge 9 to locking device 3
On 8, now base 1, block 2 and the three of locking device 3, which realize, is fixed, and block 2 is brought into close contact with inner core 5, will be on a small quantity by place
The soil sample to be measured of the moistening of reason is gently applied to the filtering film outer surface appeared at the through hole 7 of block 2, by the present apparatus with hand gently
Reverse and be pressed into soil sample to be measured, it is ensured that the present apparatus just goes out well with soil sample to be measured, immediate record time and environment temperature, places 2h
Afterwards, the present apparatus is taken out, carries out follow-up detection process process；After use, cleaning treatment, cleaning are carried out to this DGT overcoats
After, it is reusable.
The preferred embodiment of the invention is the foregoing is only, is not intended to limit the invention creation, it is all at this
Within the spirit and principle of innovation and creation, any modification, equivalent substitution and improvements made etc., the invention should be included in
Protection domain within.
Claims (5)
- A kind of 1. DGT overcoats of favorable sealing property, it is characterised in that：Including base (1), block (2) and locking device (3)； The base (1) includes side wall and is provided with externally threaded pedestal (4) and is fixed on the inner core (5) of the pedestal (4) upper surface, described Pedestal (4) and the inner core (5) are cylindrical structure, and the two is arranged concentrically, and the external diameter of the inner core (5) is less than the pedestal (4) external diameter, inner core (5) upper surface are provided with the deep gouge (6) to lower recess；The block (2) is located at the inner core (5) Upper surface, the block (2) is provided with the through hole (7) that the concentric and size with the deep gouge (6) is less than the deep gouge (6), described The lateral wall lower end of block (2) is provided with the annular overlap joint platform (8) for being overlapped in the pedestal (4) upper surface, the annular overlap joint platform (8) external diameter is equal with the external diameter of the pedestal (4)；The locking device (3) is annular, is sheathed on the base (1) and institute Block (2) junction is stated, locking device (3) top is provided with the overlap edge for being overlapped in described annular overlap joint platform (8) upper surface (9), madial wall is provided with the internal thread adaptable with the external screw thread of the pedestal (4).
- A kind of 2. DGT overcoats of favorable sealing property according to claim 1, it is characterised in that：The annular overlap joint platform (8) upper surface is provided with annular groove (10), and the overlap edge (9) of the locking device (3) is annular, the overlap edge (9) Lower surface is provided with states the adaptable casting lug thereon of groove (10) with institute annular.
- A kind of 3. DGT overcoats of favorable sealing property according to claim 1, it is characterised in that：Block (2) bottom And the bottom of the annular overlap joint platform (8) is equipped with sealing gasket.
- A kind of 4. DGT overcoats of favorable sealing property according to claim 1, it is characterised in that：The deep gouge (6) and institute It is circle to state through hole (7).
- A kind of 5. DGT overcoats of favorable sealing property according to claim 1, it is characterised in that：The base (1), institute The material for stating block (2), the annular overlap joint platform (8) and the locking device (3) is ABS engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721167596.XU CN207164049U (en) | 2017-09-12 | 2017-09-12 | A kind of DGT overcoats of favorable sealing property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721167596.XU CN207164049U (en) | 2017-09-12 | 2017-09-12 | A kind of DGT overcoats of favorable sealing property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207164049U true CN207164049U (en) | 2018-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721167596.XU Active CN207164049U (en) | 2017-09-12 | 2017-09-12 | A kind of DGT overcoats of favorable sealing property |
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| CN (1) | CN207164049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988103A (en) * | 2019-12-13 | 2020-04-10 | 生态环境部华南环境科学研究所 | Microporous gradient diffusion film device and application thereof |
-
2017
- 2017-09-12 CN CN201721167596.XU patent/CN207164049U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988103A (en) * | 2019-12-13 | 2020-04-10 | 生态环境部华南环境科学研究所 | Microporous gradient diffusion film device and application thereof |
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