CN205067165U - Passive form pollutes flux sample thief - Google Patents
Passive form pollutes flux sample thief Download PDFInfo
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- CN205067165U CN205067165U CN201520717591.4U CN201520717591U CN205067165U CN 205067165 U CN205067165 U CN 205067165U CN 201520717591 U CN201520717591 U CN 201520717591U CN 205067165 U CN205067165 U CN 205067165U
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- sampling
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Abstract
The utility model discloses a passive form pollutes flux sample thief, it includes sputum containers, weight, connecting rod and dual -purpose friction seat. Be provided with formaldehyde sampling core and VOC sampling core in the sputum containers to in the formaldehyde and the VOC pollutant that detect the measured object article, sputum containers's rim of a cup is equipped with particular form's sealed rubber ring, is used for and waits to detect the surperficial press the sealing of thing, sputum containers's the bottom of cup outside sets up the joint groove, an edge of weight can with the spacing joint in foretell joint groove, and the other end of the connecting rod that links to each other with the weight can stretch into the limiting groove of dual -purpose friction seat, can be made the weight swing to sputum containers one side and applyed a normal pressure to sputum containers by the spacing joint of the lateral wall of spacing groove, has realized sputum containers's installation fixedly. The problem of the prior art adhesive self that adopts the fixed sputum containers of sticky method to bring pollute is solved, the accuracy that detects has been improved.
Description
Technical field
The utility model relates to technical field of environmental detection, specifically, relates to a kind of passive type and pollutes flux sampling thief.
Background technology
VOC is the english abbreviation of volatile organic compounds, mainly comprises: benzene,toluene,xylene, ethylbenzene, styrene etc.Because building materials, ornament materials, furniture and household electrical appliances employ a large amount of material containing VOC and formaldehyde when producing, in use procedure subsequently, these compounds progressively can discharge and pollute indoor air environment.Live in the environment of VOC or formaldehyde, work, study people often there will be the symptoms such as ocular pain, sore-throat, headache, tired out sense, dysphoria, be referred to as " sick building syndrome ", the dirty impaired or leukaemia of multiple device time serious, can be caused.
China has put into effect " code for indoor environmental pollution control of civil building engineering " in calendar year 2001, will not check and accept for the newly-built, renovating and enlarging building exceeded standard at the pollutant such as VOC or formaldehyde.But for house decoration, because testing cost is higher, in practice, be difficult to spread.
Patent 200710128390.0 discloses the passive type diffused flux sampler of the emission flux of the harmful chemicals such as the formaldehyde that a kind of mensuration discharges to air from the check object such as furniture, building materials thing.This sampler can be avoided that the material of measured object is taken off one piece and send to test in laboratory, avoid destructiveness, but, this sampler is fixed on material surface by gluing mode and samples, although simple to operate light, the border inside tackifier is communicated with sampling cavity, and the polluter that namely tackifier distributes also can be gathered by adsorbent, therefore, the result of impact detection.
Therefore, how providing a kind of passive type to pollute flux sampling thief, to improve the accuracy of testing result, is the current technical issues that need to address of those skilled in the art.
Utility model content
In view of this, the utility model provides a kind of passive type pollution flux sampling thief, to improve the accuracy of testing result.
For achieving the above object, the utility model provides following technical scheme:
A kind of passive type pollutes flux sampling thief, and it comprises:
Sampling cup, be provided with formaldehyde sampling core and VOC sampling core in described sampling cup, the rim of a cup of described sampling cup is used for relative with thing to be detected, and the outside of described sampling cup has buckling groove;
Be arranged on the O-ring seal at described sampling cup rim of a cup place, described O-ring seal can be tightly connected with described thing to be detected;
Weight, the dual-side of a seamed edge of described weight can clamping spacing with described buckling groove;
The connecting link be connected with described weight;
Dual purpose friction seat, described dual purpose friction seat has stopper slot, and described connecting link can stretch into described stopper slot, and by the spacing clamping of the sidewall of described stopper slot.
Preferably, above-mentioned passive type pollutes in flux sampling thief, and described dual purpose friction seat can be threaded with the rim of a cup of described sampling cup, and is sealed by described O-ring seal.。
Preferably, above-mentioned passive type pollutes in flux sampling thief, and the cross section of described O-ring seal comprises two discs and the rectangular surfaces being connected two discs.
Preferably, above-mentioned passive type pollutes in flux sampling thief, and also comprise the snap ring being arranged in described sampling cup core of sampling for fixing described formaldehyde sampling core and described VOC, described snap ring can offset with the inwall of described sampling cup.
Preferably, above-mentioned passive type pollutes in flux sampling thief, and described connecting link is telescopic rod.
Preferably, above-mentioned passive type pollutes in flux sampling thief, and described connecting link comprises the head rod that is connected with described weight and for the second connecting link with described stopper slot clamping, described head rod and described second connecting link screw thread are socketed.
Preferably, above-mentioned passive type pollutes in flux sampling thief, and described weight is socket cap, and the diameter of described socket cap is greater than the width of described buckling groove.
Preferably, above-mentioned passive type pollutes in flux sampling thief, and the outside bottom surface of described dual purpose friction seat has the elastic coating for increasing friction force.
Preferably, above-mentioned passive type pollutes in flux sampling thief, and described sampling cup is aluminum alloy body.
Known via above-mentioned technical scheme, the utility model discloses a kind of passive type and pollute flux sampling thief, it comprises sampling cup, weight, connecting link and dual purpose friction seat.Wherein, be provided with formaldehyde sampling core and VOC in this sampling cup and sample core, so that detect formaldehyde and the VOC pollutant of tested article, therefore, the rim of a cup of this sampling cup is used for relative with thing to be detected, and at the arranged outside buckling groove of sampling cup; A seamed edge of weight can the spacing clamping with above-mentioned buckling groove, and the other end of the connecting link be connected with weight can extend in the stopper slot of dual purpose friction seat, and by the spacing clamping of the sidewall of stopper slot.Weight in the application and connecting link one end and sampling cup clamping, the other end and dual purpose friction seat offset clamping, namely when after both clampings simultaneously, the position of weight can be made not change, dual purpose friction seat and sampling cup all maintain static simultaneously, achieve and fix the installation of sampling cup.Which solves the problem adopting gluing sampling cup, directly by relative with determinand for the rim of a cup of sampling cup, avoids other objects to the impact detected, thus improves the accuracy of detection.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation of the passive type pollution flux sampling thief that Fig. 1 provides for the utility model embodiment;
The structural representation when sampling cup of the passive type pollution flux sampling thief that Fig. 2 provides for the utility model embodiment does not use;
The O-ring seal free state structural representation of the passive type pollution flux sampling thief that Fig. 3 provides for the utility model embodiment;
The structural representation when O-ring seal of the passive type pollution flux sampling thief that Fig. 4 provides for the utility model embodiment seals;
The structural representation of another state of passive type pollution flux sampling thief that Fig. 5 provides for the utility model embodiment.
Embodiment
Core of the present utility model there is provided a kind of passive type and pollutes flux sampling thief, to improve the accuracy of testing result.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As Figure 1-Figure 5, the utility model discloses a kind of passive type and pollute flux sampling thief, it comprises sampling cup 1, weight 3, connecting link 4 and dual purpose friction seat 6.Wherein, formaldehyde sampling core 7 and VOC sampling core 8 is provided with in this sampling cup 1, so that detect formaldehyde and the VOC pollutant of tested article, therefore, the rim of a cup of this sampling cup 1 is used for contacting with the flat surface of thing to be detected, and the air inside and outside O-ring seal isolation sampling cup, and at the arranged outside buckling groove 13 of sampling cup 1; A seamed edge of weight 3 can with the above-mentioned spacing clamping of buckling groove 13, and the other end of the connecting link 4 be connected with weight 3 can extend in the stopper slot 61 of dual purpose friction seat 6, and by the spacing clamping of the sidewall of stopper slot 61.Weight 3 in the application and connecting link 4 one end and sampling cup 1 clamping, the other end and dual purpose friction seat 6 offset clamping, namely when after both clampings simultaneously, the position of weight 3 can be made not change, dual purpose friction seat 6 and sampling cup 1 all maintain static simultaneously, achieve and fix the installation of sampling cup 1.Which solves the problem adopting gluing sampling cup, directly by relative with determinand for the rim of a cup of sampling cup 1, avoids other objects to the impact detected, thus improves the accuracy of detection.
In further embodiment, above-mentioned dual purpose friction seat 6 can also be connected with the rim of a cup thread seal of sampling cup 1.When this passive type pollutes the detection of flux sampling thief, the rim of a cup of sampling cup 1 needs directly relative with determinand, therefore can not seal, now, dual purpose friction seat 6 is placed on ground or supporting surface, and it is spacing to realize connecting link 4 by stopper slot 61 and the clamping of connecting link 4; And when passive type pollution flux sampling thief does not use, need to ensure that formaldehyde sampling core 7 in sampling cup 1 and VOC core 8 of sampling is not contaminated, therefore, the rim of a cup of sampling cup 1 is needed to seal, now, dual purpose friction seat 6 connects as the rim of a cup place thread seal of bowl cover at sampling cup 1, realizes the sealing to sampling cup 1.This dual purpose friction seat 6 has two effects, greatly increases the value of this dual purpose friction seat 6, reduces production cost.Particularly, the rim of a cup place of sampling cup 1 is provided with external thread 12, and on dual purpose friction base 6, is provided with the internal thread 62 coordinated with external thread 12.
In order to improve the sealing of dual purpose friction seat 6 and sampling cup 1 further, and the sealing between sampling cup 1 and thing to be detected, sealed by above-mentioned disclosed O-ring seal 2 at dual purpose friction seat 6 and sampling cup 1 connection of thread in embodiment disclosed in the application.Sealing circle 2 can not only realize the sealing between sampling cup 1 and thing to be detected, also can realize sampling cup 1 and seal, to prevent sampling cup inside contaminated with the dual purpose friction seat 6 as bowl cover.Particularly, the rim of a cup place of sampling cup 1 is provided with groove 11, and O-ring seal 2 is arranged in this groove 11.In order to prevent O-ring seal 2 from coming off, the diameter of O-ring seal 2 is set to the diameter being less than this groove 11.
In preferred enforcement, O-ring seal 2 is annular, and the cross section of O-ring seal 2 is set to dumbbell shaped, namely be that two cross sections are for circular up and down, the middle bar by being less than two round diameters is connected, and this O-ring seal is when sealing, and one of them cross section is that circular section is fastened in groove 11, and the section that another cross section is circle is fastened on the end of rim of a cup and the bottom surface of dual purpose friction seat 6, middle interconnecting piece then improves the effect of sealing further.Provide only a kind of structure of O-ring seal 2 in the application, also according to different needs, difform O-ring seal 2 can be set, as long as can realize the sealing of dual purpose friction seat 6 and sampling cup 1 in practice.
In order to optimize technique scheme further, passive type disclosed in the application pollutes flux sampling thief and also comprises the snap ring 9 being arranged in sampling cup 1 core 8 of sampling for fixing formaldehyde sampling core 7 and VOC, and this snap ring 9 can offset with the inwall of sampling cup 1.Particularly, this snap ring 9 comprises limiting plate, and the two ends of limiting plate are connected by spring with the inwall of sampling cup 1, after upper formaldehyde sampling core 7 and VOC sampling core 8 are set in sampling cup 1, are fixed for the ease of PARA FORMALDEHYDE PRILLS(91,95) sampling core 7 and VOC sampling core 8, prevent both from coming off in sampling cup 1, therefore, offseted by snap ring 9 inwall with sampling cup 1, thus realize PARA FORMALDEHYDE PRILLS(91,95) sampling core 7 and VOC and to sample the fixing of core 8 position, prevent both from moving sampling cup 1 in.Quite sample with formaldehyde core 7 and VOC of snap ring 9 in the application sample the fixture of core 8, therefore, as long as can realize PARA FORMALDEHYDE PRILLS(91,95) in practice to sample structure that core 7 and VOC sampling core 8 position fix all in protection domain.
On the basis of technique scheme, connecting link 4 disclosed in the application being set to telescopic rod, realizing sampling cup 1 and the state of dual purpose friction seat 6 when vertical direction is relative when detecting position, roof by regulating the length of connecting link 4.During work, the rim of a cup of sampling cup 1 is relative with roof, and the opening of buckling groove 13 is towards ground, connecting link 4 is arranged in vertical direction, cannot realize the clamping of weight 3 and buckling groove 13, connecting link 4 also cannot with dual purpose friction seat 6 clamping, now, regulate the length of connecting link 4, to make weight 3 and connecting link 4 be against between dual purpose friction seat 6 and sampling cup 1, realize the support to sampling cup 1.Which can increase the scope of application of this sampling thief.
Be set to connecting link 4 to comprise the head rod 41 that is connected with weight 3 in one embodiment and be used for the second connecting link 42 with stopper slot 61 clamping, and head rod 41 and the second connecting link 42 are connected together by thread bush.In use, by rotating the length of head rod 41 or the second connecting link 42 adjustable connecting rods 4, this connected mode structure is simple, is easy to operation.Particularly, the second connecting link 42 is set in the outside of head rod 41, and is used for the second connecting link 42 being set to the diameter of one end of stopper slot 61 clamping being less than the one end for being socketed with head rod 41, to reduce the quality of this connecting link 42.For the ease of operation, at the arranged outside annular knurl of second connecting link 42, with increasing friction force, convenient operation person operate.
Further in embodiment, weight 3 disclosed in the application is set to socket cap, and the diameter of this socket cap is greater than the width of buckling groove 13, to ensure that the seamed edge of socket cap 3 can be connected in buckling groove 13.But merely provide in concrete shape the application of a kind of weight 3 herein and be not limited in this kind of shape, also weight 3 can be set to other shapes in practice, such as square or rectangular parallelepiped.
In order to increase the friction force of dual purpose friction seat 6 and ground, the application is coated with the elastic coating of one deck for increasing friction force in the outside bottom surface of dual purpose friction seat 6, such as rubber layer.
In specific embodiment, sampling cup 1 disclosed in the application is aluminum alloy body, also can adopt the material that color density is lighter in practice, to avoid sampling cup quality overweight.And the aldary that weight 3 adopts density heavier or stainless steel make, above-mentioned O-ring seal 2 is silicon rubber, affects testing result to avoid the pollution of O-ring seal 2 PARA FORMALDEHYDE PRILLS(91,95) sampling core 7 and VOC sampling core 8.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. passive type pollutes a flux sampling thief, it is characterized in that, comprising:
Sampling cup (1), formaldehyde sampling core (7) and VOC sampling core (8) is provided with in described sampling cup (1), the rim of a cup of described sampling cup (1) is used for relative with thing to be detected, and the outside of described sampling cup (1) has buckling groove (13);
Be arranged on the O-ring seal at described sampling cup rim of a cup place, described O-ring seal can be tightly connected with described thing to be detected;
Weight (3), a seamed edge of described weight (3) can with described buckling groove (13) spacing clamping;
The connecting link (4) be connected with described weight (3);
Dual purpose friction seat (6), described dual purpose friction seat (6) has stopper slot (61), described connecting link (4) can stretch into described stopper slot (61), and by the spacing clamping of sidewall of described stopper slot (61).
2. passive type according to claim 1 pollutes flux sampling thief, and it is characterized in that, described dual purpose friction seat (6) can be threaded with the rim of a cup of described sampling cup (1), and is sealed by described O-ring seal.
3. passive type according to claim 2 pollutes flux sampling thief, and it is characterized in that, the cross section of described O-ring seal (2) comprises two discs and the rectangular surfaces being connected two discs.
4. passive type according to claim 1 pollutes flux sampling thief, it is characterized in that, also comprise the snap ring (9) being arranged in described sampling cup (1) core (8) of sampling for fixing described formaldehyde sampling core (7) and described VOC, described snap ring (9) can offset with the inwall of described sampling cup (1).
5. passive type according to claim 1 pollutes flux sampling thief, and it is characterized in that, described connecting link (4) is telescopic rod.
6. passive type according to claim 5 pollutes flux sampling thief, it is characterized in that, described connecting link (4) comprises the head rod (41) that is connected with described weight (3) and for the second connecting link (42) with described stopper slot (61) clamping, described head rod (41) and described second connecting link (42) screw thread are socketed.
7. passive type according to claim 1 pollutes flux sampling thief, and it is characterized in that, described weight (3) is socket cap, and the diameter of described socket cap is greater than the width of described buckling groove (13).
8. the passive type according to any one of claim 1-7 pollutes flux sampling thief, and it is characterized in that, the outside bottom surface of described dual purpose friction seat (6) has the elastic coating for increasing friction force.
9. passive type according to claim 8 pollutes flux sampling thief, and it is characterized in that, described sampling cup (1) is aluminum alloy body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520717591.4U CN205067165U (en) | 2015-09-16 | 2015-09-16 | Passive form pollutes flux sample thief |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520717591.4U CN205067165U (en) | 2015-09-16 | 2015-09-16 | Passive form pollutes flux sample thief |
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| Publication Number | Publication Date |
|---|---|
| CN205067165U true CN205067165U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520717591.4U Withdrawn - After Issue CN205067165U (en) | 2015-09-16 | 2015-09-16 | Passive form pollutes flux sample thief |
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| CN (1) | CN205067165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115791A (en) * | 2015-09-16 | 2015-12-02 | 深圳市建筑科学研究院股份有限公司 | Passive type contaminant flux sampling device |
-
2015
- 2015-09-16 CN CN201520717591.4U patent/CN205067165U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115791A (en) * | 2015-09-16 | 2015-12-02 | 深圳市建筑科学研究院股份有限公司 | Passive type contaminant flux sampling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160302 Effective date of abandoning: 20180306 |