CN213068389U

CN213068389U - Atmospheric sampling device

Info

Publication number: CN213068389U
Application number: CN202021896425.2U
Authority: CN
Inventors: 呂遥楠; 肖泽文
Original assignee: Henan Lvkai Environmental Testing Co ltd
Current assignee: Henan Lvkai Environmental Testing Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-04-27
Anticipated expiration: 2030-09-02

Abstract

The utility model relates to a detect technical field, disclose an atmosphere sampling device, including the atmosphere sample thief, the atmosphere sample thief includes the box, the box is connected with elevating system, elevating system includes the supporting leg, preceding pivot, the back pivot, the supporting leg below is equipped with the carriage, be equipped with on the carriage and hold the chamber, it has seted up the spout to hold the chamber, the supporting leg bottom is located and is held the intracavity, the supporting leg is equipped with the recess, be equipped with the connecting rod in the recess, the both ends of preceding pivot and the both ends of back pivot all are connected with the connecting plate, the tip of connecting plate is equipped with the spread groove, the connecting rod locate. The utility model discloses can sample not the gas of co-altitude, convenient to use, easy operation, lift in-process atmospheric sampling ware can not take place to turn on one's side, can the protective instrument, eliminates the potential safety hazard.

Description

Atmospheric sampling device

Technical Field

The utility model relates to a detect technical field, especially relate to an atmosphere sampling device.

Background

With the increasing urban atmospheric pollution, the threat of pollutants such as atmospheric fine particulate matters, polycyclic aromatic hydrocarbons, semi-volatile and volatile organic compounds to human beings is increasing. The problem of atmospheric environmental pollution is more prominent along with the development of economy, and the sulfur oxides and nitrogen oxides in part of cities far exceed the specified standards.

The atmosphere sampler is an instrument or device for collecting atmospheric pollutants or polluted air, is an essential device in atmosphere detection, and generally consists of three parts, namely a collector, a flowmeter and an air extraction power system. In the use process of the atmosphere sampler, the gas at different heights needs to be sampled, and in the prior art, the height of the atmosphere sampler is generally certain, and the gas at different heights can be collected by means of an external tool such as a bracket. The phenomenon that the instrument is turned over and falls from a high place to cause damage or injure workers by smashing can happen slightly carelessly in the process of adopting the sampling device, potential safety hazards exist, the height of the air sampler is required to be adjusted by the workers ceaselessly according to the sampling height, and the sampling device is inconvenient to use, troublesome to operate and low in working efficiency.

SUMMERY OF THE UTILITY MODEL

To the technical problem that prior art exists, the utility model provides an atmosphere sampling device.

In order to achieve the above object, the utility model provides a following technical scheme: an atmosphere sampling device comprises an atmosphere sampler, wherein the atmosphere sampler comprises a box body, the box body is connected with a lifting mechanism, the lifting mechanism comprises four supporting legs, a front rotating shaft and a rear rotating shaft, the four supporting legs are respectively connected to four corners of the bottom of the box body, a supporting frame is correspondingly arranged below each supporting leg, an accommodating cavity extending along the vertical direction is arranged on each supporting frame, sliding grooves along the vertical direction are formed in the front side wall and the rear side wall of each accommodating cavity, the bottom end of each supporting leg is arranged in the accommodating cavity and is in sliding fit with the accommodating cavity, grooves penetrating through the front side and the rear side of the supporting leg are formed in the bottom of each groove, notches are formed in the bottoms of the grooves, connecting rods are arranged; the utility model discloses a supporting frame, including support frame, preceding pivot, back pivot, the middle line that preceding pivot is located the front side of back pivot and two pivots are used box width direction, preceding pivot is all rotated with the back pivot and is connected on the support frame, preceding pivot is located the front side of back pivot and two pivots are set up as central symmetry, preceding pivot is with the same angular speed antiport and be connected with actuating mechanism with the back pivot, the both ends of preceding pivot and the both ends of back pivot all are connected with the connecting plate, the tip of two connecting plates of connecting in the preceding pivot extends to two supporting leg directions of front side respectively, the tip of two connecting plates of connecting in the back pivot extends to two supporting leg directions of rear side respectively, the connecting plate runs through in its recess that corresponds the supporting leg and the spout that corresponds the support frame, the tip of connecting plate is equipped with the spread.

Preferably, actuating mechanism worm, worm wheel, the worm rotates to be connected in on the support frame and be connected with driving motor, driving motor is fixed in on the support frame, and the worm is located before between pivot and the back pivot, the worm wheel is equipped with two and respectively coaxial coupling in preceding pivot, the back pivot, and two worm wheels all mesh with the worm.

Preferably, the bottom of the supporting frame is connected with a supporting seat.

The utility model discloses still including other subassemblies that can make normal use, be the conventional technical means in this field. In addition, the device or the component such as the air sampler which is not limited in the utility model adopts the conventional technical means in the field.

The utility model discloses can adjust the height of atmospheric sampling ware according to the demand to gas to co-altitude not samples, convenient to use, easy operation, lift in-process atmospheric sampling ware can not take place to turn on one's side, can the protective instrument, eliminates the potential safety hazard.

Drawings

Fig. 1 is a front view of the present embodiment.

Fig. 2 is a side view of the present embodiment.

In the figure: 1 box, 2 supporting legs, 3 preceding pivot, 4 back pivots, 5 braced frames, 6 supporting seats, 7 hold chamber, 8 recesses, 9 connecting rods, 10 spouts, 11 support frames, 12 connecting plates, 13 spread grooves, 14 worms, 15 worm wheels, 16 driving motor.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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 description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1-2, an atmosphere sampling device, including the atmosphere sample thief, the atmosphere sample thief includes box 1, box 1 is connected with elevating system, elevating system includes supporting leg 2, preceding pivot 3, back pivot 4, supporting leg 2 is equipped with four and connects respectively in the four corners department of box 1 bottom, and the correspondence of every supporting leg 2 below is equipped with carriage 5, be equipped with on carriage 5 along the chamber 7 that holds that vertical direction extends, the spout 10 along vertical direction is all seted up to both sides wall around holding chamber 7, supporting leg 2 bottom is located and is held in the chamber 7 and with hold chamber 7 sliding fit, and the bottom of supporting leg 2 is equipped with the recess 8 that runs through both sides around it, recess 8 bottom is equipped with the notch, is equipped with connecting rod 9 in the recess 8, is connected with support frame 11 on the carriage 5. The front rotating shaft 3 and the rear rotating shaft 4 extend along the left-right direction of the box body 1, the front rotating shaft 3 and the rear rotating shaft 4 are connected to the support frame 11 in a rotating mode, the front rotating shaft 3 is located on the front side of the rear rotating shaft 4, the front rotating shaft 3 and the rear rotating shaft 4 are symmetrically arranged by taking the center line of the width direction of the box body 1 as the center, the front rotating shaft 3 and the rear rotating shaft 4 rotate reversely at the same angular speed and are connected with a driving mechanism, the two ends of the front rotating shaft 3 and the two ends of the rear rotating shaft 4 are connected with connecting plates 12, the end portions of the two connecting plates 12 connected to the front rotating shaft 3 extend towards the two supporting legs 2 on the front side respectively, the connecting plates 12 penetrate through the grooves 8 of the corresponding supporting legs 2 and the sliding grooves 10 of the corresponding support frames 5, the end portions of the connecting plates 12 are provided with connecting grooves 13, and the connecting rods 9 are arranged in the connecting grooves 13 corresponding to the end portions of the.

In the embodiment, a collector, a flow meter and an air exhaust power system are arranged in a box body 1 of the atmosphere sampler; the connecting plate 12 on the left side of the front rotating shaft 3 and the connecting plate 12 on the left side of the rear rotating shaft 4 are symmetrically arranged, and the connecting plate 12 on the right side of the front rotating shaft 3 and the connecting plate 12 on the right side of the rear rotating shaft 4 are symmetrically arranged.

Actuating mechanism worm 14, worm wheel 15, worm 14 rotates to be connected in support frame 11 on and be connected with driving motor 16, driving motor 16 is fixed in on the support frame 11, and worm 14 locates between preceding pivot 3 and the rear shaft 4, worm wheel 15 is equipped with two and respectively coaxial coupling in preceding pivot 3, rear shaft 4, and two worm wheels 15 all mesh with worm 14. In this embodiment, the worm 14 is located at the center between the front rotary shaft 3 and the rear rotary shaft 4, and the two worm wheels 15 are of the same type and are engaged with the front side and the rear side of the worm 14, respectively, so that when the worm 14 rotates, the front rotary shaft 3 and the rear rotary shaft 4 rotate in opposite directions at the same angular velocity, respectively.

The bottom of the support frame 5 is connected with a support seat 6. The setting of supporting seat 6 can increase the area of contact with ground to increase the stability when box 1 is placed, is sampled.

During the use, make supporting leg 2 reciprocate along vertical direction in carriage 5 through elevating system to adjust the height of gas sampler and sample the gas of co-altitude not. The action principle of the lifting mechanism is as follows: the driving motor 16 drives the worm 14 to rotate, the front rotating shaft 3 and the rear rotating shaft 4 rotate along opposite directions at the same angular speed, the connecting plate 12 rotates along with the front rotating shaft 3 and the rear rotating shaft 4, because the front rotating shaft 3 and the rear rotating shaft 4 rotate reversely and the connecting plate 12 on the front rotating shaft 3 and the connecting plate 12 on the rear rotating shaft 4 are symmetrically arranged, the end parts of the four connecting plates 12 synchronously lift at the same speed, and the four supporting legs 2 are driven to synchronously lift through the connecting rod 9 (at the moment, the connecting plate 12 slides in the sliding groove 10, and the connecting rod 9 slides in the connecting groove 13), thereby adjusting the height of the gas sampler.

The front side wall and the rear side wall of the accommodating cavity 7 are provided with sliding grooves 10, so that a certain moving space is provided for the connecting plate when the front rotating shaft or the rear rotating shaft rotates.

The utility model discloses in, the lift of four supporting legs 2 is gone on for synchronous, and not only easy operation, stability is good moreover, and lift in-process atmospheric sampling ware can not take place to turn on one's side to the potential safety hazard is eliminated to the protection instrument.

The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.

Claims

1. The utility model provides an atmosphere sampling device, includes the atmosphere sample thief, the atmosphere sample thief includes the box, its characterized in that: the box body is connected with a lifting mechanism, the lifting mechanism comprises supporting legs, a front rotating shaft and a rear rotating shaft, the four supporting legs are respectively connected to four corners of the bottom of the box body, a supporting frame is correspondingly arranged below each supporting leg, an accommodating cavity extending in the vertical direction is formed in each supporting frame, sliding grooves in the vertical direction are formed in the front side wall and the rear side wall of each accommodating cavity, the bottom end of each supporting leg is arranged in each accommodating cavity and is in sliding fit with the corresponding accommodating cavity, grooves penetrating through the front side and the rear side of each supporting leg are formed in the bottoms of the grooves, connecting rods are arranged in the grooves, and the supporting frames are connected with the; the utility model discloses a supporting frame, including support frame, preceding pivot, back pivot, the middle line that preceding pivot is located the front side of back pivot and two pivots are used box width direction, preceding pivot is all rotated with the back pivot and is connected on the support frame, preceding pivot is located the front side of back pivot and two pivots are set up as central symmetry, preceding pivot is with the same angular speed antiport and be connected with actuating mechanism with the back pivot, the both ends of preceding pivot and the both ends of back pivot all are connected with the connecting plate, the tip of two connecting plates of connecting in the preceding pivot extends to two supporting leg directions of front side respectively, the tip of two connecting plates of connecting in the back pivot extends to two supporting leg directions of rear side respectively, the connecting plate runs through in its recess that corresponds the supporting leg and the spout that corresponds the support frame, the tip of connecting plate is equipped with the spread.

2. An atmospheric sampling device as defined in claim 1, wherein: the worm gear is provided with two worm gears which are respectively coaxially connected to the front rotating shaft and the rear rotating shaft, and the two worm gears are meshed with the worm.

3. An atmospheric sampling device as defined in claim 1, wherein: the supporting frame bottom is connected with the supporting seat.