CN218119301U - Sampling frame for environment air volatile organic compound tank - Google Patents

Abstract

The utility model belongs to the field of environmental monitoring equipment, relates to a sampling frame, and discloses an environmental air volatile organic compound tank sampling frame, which comprises a plurality of upright columns arranged in the vertical direction and a plurality of horizontal connecting pieces, wherein each upright column comprises a fixed column and a lifting column which can slide in the fixed column and can be self-locked; the upright post is detachably connected with the horizontal connecting piece. The utility model discloses ambient air volatile organic compounds jar sampling frame adopts the lift post that can the fixed column slip and auto-lock relatively, can conveniently adjust the height of sampling frame to satisfy the user demand of the high setting of sampling opening. The utility model discloses a from locking-type lift post, single can easily realize the height control of sampling frame.

Description

Sampling frame for environment air volatile organic compound tank

Technical Field

The utility model belongs to the environmental monitoring equipment field relates to the sampling frame, in particular to sampling frame that is suitable for in the sampling work of ambient air volatile organic compounds.

Background

The suma tank is an air sampling tank used for collecting and storing VOC gases (volatile organic compounds). According to the requirements of industrial standards, the sampling port of the sampler is generally arranged at a height of 1.5-2 m from the top of the automatic air monitoring station, and is more than 2m away from the sampling ports of other sampling equipment; in the same area, a plurality of sampling points are arranged, and the heights of the sampling ports are kept consistent as much as possible.

In implementing the present invention, the inventor finds that there is at least one of the following technical problems in the prior art:

the height of the existing sampling frame is fixed, and the actual requirements of monitoring work cannot be met. In actual use, extra supports are often required to be found to elevate the support frame to adjust the sampling port to the proper height.

Always, when environment air volatile organic compounds are sampled, a constant flow meter matched with a Suma tank for use is exposed to an air environment without any shielding for a long time, and the flow meter is damaged in thunderstorm weather, so that economic loss of detection equipment is caused, and more importantly, collected data in the monitoring time period are lost, and the integrity and precision of environment monitoring work are influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims to provide a can adjust the sampling frame of support frame height in a flexible way.

Secondly, the utility model also provides a can environmental protection monitoring facilities sampling frame.

The inventor provides a technical scheme that the sampling frame for the environmental air volatile organic compound tank comprises a plurality of vertical columns and a plurality of horizontal connecting pieces, wherein each vertical column comprises a fixed column and a lifting column which can slide in the fixed column and can be self-locked; the upright post is detachably connected with the horizontal connecting piece.

According to one embodiment of the sampling frame for the ambient air volatile organic compound tank of the present invention, the fixed column is provided with a column hole, a side wall of the column hole is provided with a chute, and a side wall of the chute is provided with a plurality of fixed grooves; the lifting column is in sliding fit with the column hole; the first end of lift post extends to outside the post hole, the second end of lift post is equipped with locating component, locating component and spout sliding fit, locating component with decide the groove disconnect-type contact and connect.

According to the utility model discloses an embodiment of ambient air volatile organic compounds jar sampling frame, the fixed slot is hook-like groove, the upper portion of fixed slot and the linear transitional coupling of lateral wall of spout.

According to one embodiment of the ambient air voc tank sampling frame of the present invention, the second end of the lifting column is provided with a shaft hole and an extension plate; the positioning assembly comprises a positioning plate, a control plate and an elastic piece; one end of the positioning plate is provided with a connecting shaft which is in running fit with the shaft hole, the other end of the positioning plate is provided with a positioning column, the positioning column penetrates through the control plate to be in sliding fit with the sliding groove, and the positioning column is in separated contact with the fixed groove; the control panel is in sliding fit with the column hole, a sliding selection groove and a positioning selection groove are formed in the control panel, the sliding selection groove is overlapped on the sliding groove, and the positioning selection groove can be overlapped on the fixed groove; the elastic piece is arranged between the positioning plate and the extension plate.

According to the utility model discloses an embodiment of ambient air volatile organic compounds jar sampling frame, sliding selection groove and location selection groove constitute L shape selection groove, reference column and L shape selection groove sliding fit.

According to the utility model discloses an embodiment of ambient air volatile organic compounds jar sampling frame, be provided with the elastic component installation department on the locating plate, elastic component and elastic component installation department fixed connection.

According to the utility model discloses an embodiment of ambient air volatile organic compounds jar sampling frame, be provided with a plurality of connecting holes of being connected with the stand on the horizontal connecting piece.

According to an embodiment of the sampling frame for the ambient air volatile organic compound tank of the present invention, the connecting hole can be simultaneously connected to two coaxially disposed pillars; the lifting column is provided with a connecting column, and the diameter of the connecting column is equal to that of the fixing column.

According to the utility model discloses an embodiment of ambient air volatile organic compounds jar sampling frame still includes the top cap, the top cap is installed at sampling frame top.

According to the utility model discloses an embodiment of ambient air volatile organic compounds jar sampling frame, the top cap is transparent top cap, the top cap is the toper platform, and the top of top cap is provided with the inlet port, installs the rubber ring on the inlet port.

Compared with the prior art, one of the technical solutions has the following advantages:

a) The utility model discloses ambient air volatile organic compounds jar sampling frame adopts the lift post that can the fixed column slip and auto-lock relatively, can conveniently adjust the height of sampling frame to satisfy the user demand of the high setting of sampling opening.

b) The utility model discloses in an embodiment of ambient air volatile organic compounds jar sampling frame, a concrete slip and auto-lock structure is provided, locating component promptly, when adjusting the sampling frame height, only need just can accomplish alone and adjust work, do not need alone to lift the upper portion platform, another person installs fixedly specially to the telescopic link.

c) The utility model discloses in an embodiment of ambient air volatile organic compounds jar sampling frame, the sampling frame can also carry out the multilayer and assemble to obtain the sampling frame of higher height.

d) The utility model discloses in an embodiment of ambient air volatile organic compounds jar sampling frame, through setting up the top cap, can set up invariable flowmeter in the top cap below, obtain the protection, avoid the influence of thunderstorm weather.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a front view of the sampling frame of the present invention for the ambient air voc tank in accordance with a preferred embodiment.

Fig. 2 is a schematic perspective view of fig. 1.

Fig. 3 is a schematic view of a partial cross-sectional structure of a column in a preferred embodiment of the sampling rack for ambient air voc according to the present invention.

Fig. 4 is a schematic perspective view of a sliding position of a positioning assembly of a preferred embodiment of the sampling frame for an ambient air voc tank of the present invention.

Fig. 5 is a schematic view of a positioning assembly in a positioning state in a preferred embodiment of the sampling rack for ambient air voc according to the present invention.

The labels in the figure are respectively:

100 of the horizontal connecting pieces are arranged on the horizontal connecting pieces,

200 of the vertical columns are arranged in the vertical column,

210 to fix the pins to the frame,

211 the holes of the column are arranged in the column,

the 212-degree slide groove is arranged on the upper surface of the main body,

213, fixing the groove, namely fixing the groove,

220 the lifting column is lifted up and down,

a 221 connecting column is arranged on the lower portion of the main body,

222 of the plurality of elongated plates, and 222,

230 a positioning member for positioning the component(s),

231 the positioning plate is arranged on the base plate,

2311 the connection shaft is connected with a shaft,

2312 and a positioning column is arranged at the position,

2313 a mounting portion for the elastic member,

232 a control panel is arranged on the base plate,

2321 the slide-selection groove is formed,

2322 the selection slot is positioned so that,

233 the elastic member 233 is formed in a shape of a ring,

300 the top cover 300 is placed on the top,

310 intake apertures 310.

Detailed Description

The following description of an embodiment is made with reference to the accompanying drawings.

To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the 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. Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

See fig. 1-2. The ambient air volatile organic compound tank sampling rack described in this embodiment is suitable for placing a special support of ambient air sampling equipment, such as a suma tank, a dustfall cylinder, and the like.

Referring to fig. 1 to 3, the sampling rack for the ambient air voc tank described in this embodiment includes a plurality of vertical pillars 200 and a plurality of horizontal connectors 100, and the drawings show 4 vertical pillars 200 and 2 horizontal connectors 100, and of course, those skilled in the art can make routine selections based on the technical solution disclosed in the present invention according to actual needs. The upright post 200 comprises a fixed post 210 and a lifting post 220 which can slide in the fixed post 210 and is self-locked; in the present invention, the term "self-locking" refers to that when the length of the column 200 is adjusted to the required length, the length is fixed by the self-structure of the column, rather than by manually operating the locking mechanism; after self-locking, the length is always kept unchanged, namely the height of the sampling frame is kept unchanged under the unmanned operation. A plurality of telescopic rods with telescopic functions appear in the prior art, and when most of telescopic rods are used for fixing the length of the telescopic rods, a locking mechanism needs to be manually operated, for example, a fastening nut, a bolt, a jackscrew and the like are common locking mechanisms. Use this kind of telescopic link, need two people's cooperation at least and just can accomplish the rising or the reduction of sampling frame, alone hold up upper portion lift part, another people need with the locking mechanism on each stand of this operation, and environment check out test set need place on the sampling frame, and platform lift part is comparatively hard to need another alone to set up locking mechanism completely and just can relax and get off. Further, in order to avoid the falling of the environment detection device from the sampling frame, it is necessary to further fix the environment detection device. Contrast here, the utility model discloses a from locking-type lift post 220, single height adjustment that can easily realize the sampling frame.

Referring to fig. 3 to 5, a column hole 211 is formed in the fixed column 210, a sliding slot 212 is formed in a side wall of the column hole 211, and a plurality of fixed slots 213 are formed in a side wall of the sliding slot 212; the fixed groove 213 is a hook-shaped groove, and the upper part of the fixed groove 213 is in linear smooth transition connection with the side wall of the sliding groove 212. In this embodiment, the horizontal cross section of post hole 211 is the rectangle, and the horizontal cross section of lift post 220 is the rectangle together, and the size of post hole 211 is the same with lift post 220 size, and lift post 220 can slide from top to bottom in post hole 211, and lift post 220 can not rock.

The first end of the lifting column 220 extends out of the column hole 211, the second end of the lifting column 220 is always located in the column hole 211, the second end of the lifting column 220 is assembled with a positioning assembly 230, and the second end of the lifting column 220 is provided with a shaft hole (not shown in the drawing) and an extension plate 222.

The positioning component 230 is slidably engaged with the sliding slot 212 and separately contacts with the fixed slot 213. When the positioning component 230 is matched with the fixed groove 213, the lifting column 220 is in a fixed state, the positioning component 230 is separated from the fixed groove 213, when the positioning component is matched with the sliding groove 212, the lifting column 220 is in a sliding state, and the upright column 200 is in an adjusted length state.

The positioning assembly 230 includes a positioning plate 231, a control plate 232, and an elastic member 233. The positioning plate 231 is a component for adjusting the lifting/lowering column 220 to be in a positioning state or a sliding state, the control plate 232 is a component for retracting the positioning plate 231, and the elastic member 233 is a component for assisting the positioning plate 231 to select the positioning state or the sliding state. The positioning plate 231 is provided with an elastic member mounting portion 2313, and the elastic member 233 is fixedly connected with the elastic member mounting portion 2313. The elastic member 233 and the fixing groove 213 are respectively located at both sides of the positioning plate 231.

One end of the positioning plate 231 is provided with a connecting shaft 2311, the connecting shaft 2311 is in running fit with a shaft hole arranged at the second end of the lifting column 220, the other end of the positioning plate 231 is provided with a positioning column 2312, the positioning column 2312 penetrates through the control plate 232 to be in sliding fit with the sliding groove 212, and the positioning column 2312 is in separated contact with the positioning groove 213. The width of the fixed slot 213 is the same as the width of the sliding slot 212, and the diameter of the positioning post 2312 is equal to the width of the sliding slot 212. The fixed groove 213 is a hook-shaped groove, and the bottom of the fixed groove is in an arc structure, and the radius of the arc is equal to that of the fixed column 2312.

As shown in fig. 3, the length of the upright post 200 needs to be adjusted to be long, the lifting post 220 slides upwards, the lifting post 220 drives the positioning plate 231 to slide upwards, and when the positioning post 2312 passes through one of the fixed grooves 213, the elastic member 233 pushes the positioning post 2312 into the fixed groove 213 under the action of elasticity; the positioning post 2312 can be located on the fixed groove 213 when the lifting post 220 stops lifting, and the lifting post 220 cannot fall back downwards under the support of the fixed groove 213; the lifting column 220 continues to rise, the positioning plate 231 is driven by the lifting column 220 to slide upwards, and the positioning column 2312 is pulled out from the fixed groove 213 and returns to the sliding groove 212. Under the pressure of the elastic member 233, the positioning post 2312 is always matched with the side wall of the sliding chute on the side where the positioning groove 213 is arranged. The elastic member 233 is preferably a compression spring, particularly a conical spring, according to the installation space of the elastic member 233.

When the length of the column 200 needs to be shortened, the control plate 232 needs to be used. The control plate 232 is integrally of a cubic structure, the horizontal cross section of the control plate 232 is as large as that of the lifting column 220, similarly, in the front view of fig. 3, the front, rear, left and right surfaces of the control plate 232 are in contact with the column hole 211, the control plate 232 is in sliding fit with the column hole 211, the control plate 232 is provided with a sliding selection groove 2321 and a positioning selection groove 2322, the sliding selection groove 2321 is overlapped on the sliding groove 212, and the positioning selection groove 2322 can be overlapped on the fixed groove 213; the elastic member 233 is installed between the positioning plate 231 and the extension plate 222.

Referring to fig. 3 to 5, the sliding selection slot 2321 and the positioning selection slot 2322 form an L-shaped selection slot, and the positioning post 2312 is in sliding fit with the L-shaped selection slot. The left side wall of the sliding selection slot 2321 and the left side wall of the sliding slot 212 are located on the same vertical plane, so that when the positioning column 2312 descends, the positioning column 2312 is prevented from entering the fixed slot 213.

As shown in fig. 3, when the length of the upright post 200 is shortened, the lifting post 220 is pulled upwards to make the positioning post 2312 leave the fixed groove 213, the sliding selection groove 2321 is overlapped with the notch of the fixed groove 213, the sliding selection groove 2321 and the sliding groove 212 form a return groove, the lifting post 220 is pressed downwards, the positioning post 2312 slides downwards, the control plate 232 is temporarily fixed under the action of friction between the control plate 232 and the sliding groove 212 or under the action of adhesive force of the lubricant (if any) between the control plate 232 and the sliding groove 212, the positioning post 2312 enters the sliding selection groove 2321 from the positioning selection groove 2322, and the positioning selection groove 2322 is attached to the fixed groove 213, so that the positioning post 2312 also enters the sliding selection groove 2321 from the fixed groove 213, and under the supporting action of the sliding selection groove 2321, the positioning post 2312 does not enter the fixed groove 213 until the upright post 200 is shortened to the shortest, or when the positioning post 2312 is shortened to a certain length, the lifting post 220 is lifted upwards, the positioning post 2312 enters the positioning selection groove 2322, and then enters the positioning post 231213 and then passes through the fixed groove 213 and can be seated on the fixed groove 213.

By the above operation, the extension or contraction of the length of the pillar 200 is achieved. In the operation process, the fixed columns 210 are fixed, so that only one person needs to operate the horizontal connecting piece connected with the lifting columns 220, and the synchronous extension or contraction of all the lifting columns 220 can be realized.

The vertical shaft 200 is detachably connected to the horizontal connecting member 100. The horizontal connection member 100 is provided with a plurality of connection holes connected to the vertical column 200. The vertical column 200 and the horizontal connecting member 100 can be disassembled and connected by a conventional connection method, such as a threaded connection, a clamping connection, etc., so that the vertical column 200 and the horizontal connecting member 100 can form a stable frame structure.

The horizontal connecting member 100 may be a plate, a frame, or a functional plate correspondingly disposed according to the structure of the environment monitoring apparatus, for example, a hole or a groove for placing a suma pot is disposed on the plate.

In a further embodiment, in order to obtain a higher height of the sampling frame, the vertical pillars 200 may be connected in series, the connecting hole of the horizontal connecting member 100 can be simultaneously connected with two vertical pillars 200 which are coaxially arranged, the lifting pillar is provided with a connecting pillar 221, and the connecting pillar 221 and the fixing pillar have the same diameter. For example, when two-layered columns 200 are used, a horizontal connecting member 100 is used to connect the connecting column 221 of the lower column and the fixing column 210 of the upper column. The environmental monitoring equipment is firstly arranged on the horizontal connecting piece 100 at the topmost layer, then the upper-layer upright post is lifted until the length reaches the longest length, and then the lower-layer upright post is lifted to the proper height. When the height of the sampling frame needs to be reduced, the bottom-layer upright post is shortened, and the upper-layer upright post is shortened after the upper-layer upright post is lowered. Adopt a plurality of concatenation units to splice the higher sampling frame of height in other words, the utility model discloses the operation is safer, convenient, swift more.

In a further embodiment, referring to fig. 1 and 2, the sampling rack further comprises a top cover 300, said top cover 300 being mounted on top of the sampling rack. The top cover 300 is a transparent top cover, the top cover 300 is a conical table, the top of the top cover 300 is provided with an air inlet 310, and a rubber ring is installed on the air inlet 310. The air inlet hole 310 is used for installing a component of a limiting valve air inlet pipe matched with the suma jar, the limiting valve air inlet pipe is fixed by a rubber ring, and the constant flow meter is arranged under the transparent top cover.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims (10)

1. The sampling frame is characterized by comprising a plurality of vertical columns and a plurality of horizontal connecting pieces, wherein the vertical columns are arranged in the vertical direction and comprise fixed columns and lifting columns which can slide in the fixed columns and are self-locked; the upright post is detachably connected with the horizontal connecting piece.

2. The ambient air volatile organic compound tank sampling rack according to claim 1, wherein the fixed column is provided with a column hole, a sliding groove is formed in a side wall of the column hole, and a plurality of fixed grooves are formed in a side wall of the sliding groove; the lifting column is in sliding fit with the column hole; the first end of lift post extends to outside the post hole, the second end of lift post is equipped with locating component, locating component and spout sliding fit, locating component with decide the groove disconnect-type contact and connect.

3. The ambient air voc tank sampling rack of claim 2 wherein the fixed slot is a hook-like slot, the upper portion of the fixed slot being in linear transitional connection with the side wall of the chute.

4. The ambient air voc canister sampling rack of claim 3 wherein the second end of the lifting column is provided with an axle hole and an extension plate; the positioning assembly comprises a positioning plate, a control plate and an elastic piece; one end of the positioning plate is provided with a connecting shaft which is in running fit with the shaft hole, the other end of the positioning plate is provided with a positioning column, the positioning column penetrates through the control plate to be in sliding fit with the sliding groove, and the positioning column is in separated contact with the fixed groove; the control panel is in sliding fit with the column hole, a sliding selection groove and a positioning selection groove are formed in the control panel, the sliding selection groove is overlapped on the sliding groove, and the positioning selection groove can be overlapped on the fixed groove; the elastic piece is arranged between the positioning plate and the extension plate.

5. The ambient air voc tank sampling rack of claim 4 wherein the sliding selection trough and the positioning selection trough form an L-shaped selection trough, and the positioning posts are in sliding fit with the L-shaped selection trough.

6. The ambient air volatile organic compound tank sampling rack of claim 4, wherein an elastic member mounting portion is provided on the positioning plate, and the elastic member is fixedly connected with the elastic member mounting portion.

7. The ambient air voc tank sampling rack of claim 1 wherein the horizontal connectors are provided with a plurality of attachment holes for attachment to posts.

8. The ambient air voc tank sampling rack of claim 7 wherein the connection holes can connect two coaxially disposed uprights simultaneously; the lifting column is provided with a connecting column, and the diameter of the connecting column is equal to that of the fixing column.

9. The ambient air voc canister sampling rack of any of claims 1 to 8 further comprising a top cover mounted on top of the sampling rack.

10. The ambient air volatile organic compound tank sampling rack of claim 9, wherein the top cover is a transparent top cover, the top cover is a conical table, an air inlet hole is formed in the top of the top cover, and a rubber ring is mounted on the air inlet hole.

Images