CN106404471A - Telescopic reelpipe device for air quality detection device - Google Patents

Abstract

A telescopic coiling device for an air quality detection device, including a telescopic coiling tube, a storage device and an air suction device; the support frame is in the shape of a spring coiled in a spiral along the hose axis; the rotating shaft is rotatably erected on the first side wall Between the second side wall and the second side wall, the inner end of the rotating shaft is rotatably arranged on the first side wall, the outer end of the rotating shaft is rotatably arranged on the second side wall, and the outer end of the rotating shaft passes through the second side wall and is connected with the second side wall. The rocking handle is connected; the rotating shaft and the rocking handle are both hollow, the outer end of the rotating shaft is sealed, the inner end of the rotating shaft is airtightly connected with the inner end of the rocking handle, and the outer end of the rocking handle has an outlet; The outlet end of the tube is airtightly connected; the suction device includes a compressible rubber suction ball, which communicates with the outlet of the handle through the inlet section, and the first one-way valve is provided on the inlet section; the rubber suction The ball communicates with the atmosphere through the outlet section, and the second check valve is arranged on the outlet section.

Description

A telescopic coiling device for an air quality detection device

technical field

The invention relates to a telescopic tube rolling device used in an air quality detection device.

Background technique

Most of the existing air quality detection devices, such as carbon monoxide and nitrogen oxide content detection devices, use hoses directly connected to the air inlet, which can only detect the air quality near the ground, but in the actual process often need to Detect the air quality at a certain height from the ground, such as an urban intersection at a certain height from the ground. With the existing equipment, it is necessary for the inspector to carry the air quality detection device to the building of the corresponding height to open the window for detection or use the necessary climbing tools to move to a certain height. Not only is it difficult to accurately measure the height, but the risk of measurement will also increase. It is difficult to achieve measurement in open places such as intersections that need to be detected. Therefore, it is of great significance to manufacture a device that can detect the air quality at a higher position in situ.

Contents of the invention

In order to overcome the defects in the background technology, the present invention provides a telescopic coiling device for an air quality detection device to meet the needs of measuring the air quality at a certain height from the ground in an open place and to be portable.

The technical scheme adopted in the present invention is:

A telescopic coiling device for an air quality detection device, comprising a telescopic coiling tube, a storage device for accommodating the telescopic coiling tube, and an air suction device for discharging gas in the telescopic coiling tube;

The telescopic roll tube includes an outer hose and a support frame inside the hose for supporting the erection of the hose, and the support frame is in the shape of a spring spirally coiled along the hose axis;

The storage device includes a ruler frame, the ruler frame includes a first side wall and a second side wall arranged at intervals, a rotating shaft is rotatably mounted between the first side wall and the second side wall, and the inner end of the rotating shaft is rotatable The outer end of the rotating shaft is rotatably arranged on the second side wall, and the outer end of the rotating shaft passes through the second side wall and is connected with the handle to drive the rotating shaft to rotate; the rotating shaft and the The rocking handles are all hollow, the outer end of the rotating shaft is sealed, the inner end of the rotating shaft is in air-tight communication with the inner end of the rocking handle, and the outer end of the rocking handle has an outlet that can be connected with the air quality detection device; The shaft between the first side wall and the second side wall is provided with an opening, and the opening is airtightly connected with the outlet end of the telescopic coil tube, and the telescopic coil tube is wound on the shaft, and the first side wall and the second side wall Enclose the rotating shaft into a storage space for the telescopic coil;

The suction device includes a compressible rubber suction ball, and the rubber suction ball communicates with the outlet of the handle through the inlet section, and the inlet section is provided with a first one-way valve, and the first one-way valve The air outlet of the directional valve communicates with the inner cavity of the rubber suction ball, and the air inlet of the first one-way valve is used to communicate with the rocker; the rubber suction ball communicates with the atmosphere through the outlet section, and the outlet The section is provided with a second one-way valve, the air inlet of the second one-way valve communicates with the rubber suction ball, and the air outlet of the second one-way valve communicates with the atmosphere.

Further, the inner end of the rotating shaft is rotatably arranged on the first side wall through the first bearing, and the outer end of the rotating shaft is rotatably arranged on the second side wall through the second bearing.

Further, a pull ring is provided on the inlet end of the telescopic roll tube.

Further, a handle is provided at one end of the ruler frame.

Further, the outer surface of the telescopic roll tube is provided with scales along the axial direction.

The beneficial effects of the present invention are mainly manifested in:

1) The air quality at a higher place above the ground can be measured on the spot without the help of buildings, and the time required to switch from the ground to the measurement at a higher place above the ground is shorter, and the comparison is more accurate; Convenient, especially suitable for open spaces.

2) The telescopic roll tube can be rolled up for storage, making it easy to carry.

3) The outer surface of the hose is marked with a scale for measuring the unfolded length, and the telescopic coiled tube of the corresponding length can be pulled out according to the height required for measurement, which is convenient to use.

Description of drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic diagram of cooperation between the telescopic roller tube and the storage device.

Fig. 3 is a structural schematic diagram of the suction device.

Fig. 4 is a schematic structural view of the telescopic roll tube.

detailed description

Referring to the accompanying drawings, a telescopic coiling device for an air quality detection device includes a telescopic coiling tube 4, a storage device for accommodating the telescopic coiling tube 4 and an air suction device for discharging the gas in the telescopic coiling tube 4;

The telescopic roll tube 4 includes an outer hose 8 and a support frame 9 inside the hose 8 for supporting the erection of the hose 8, and the support frame 9 is in the shape of a spring spirally coiled along the axial direction of the hose 8;

The storage device includes a ruler frame 4, the ruler frame 4 includes a first side wall 31 and a second side wall 32 arranged at intervals, and the rotating shaft 11 is rotatably erected between the first side wall 31 and the second side wall 32 The inner end of the rotating shaft 11 is rotatably arranged on the first side wall 31, the outer end of the rotating shaft 11 is rotatably arranged on the second side wall 32, and the outer end of the rotating shaft 11 passes through the second side wall 32 and is connected to the rocker The handle 2 is connected to drive the rotating shaft 11 to rotate; the rotating shaft 11 and the rocking handle 2 are hollow, the outer end of the rotating shaft 11 is sealed, and the inner end of the rotating shaft 11 is in airtight communication with the inner end of the rocking handle 2. The outer end of the crank handle 2 has an outlet that can be connected with the air quality detection device; an opening is provided on the rotating shaft 11 between the first side wall 31 and the second side wall 32, and the opening is connected with the telescopic coil tube 4 The outlet end is airtightly connected, the telescopic coil tube 4 is wound on the rotating shaft 11, and the first side wall 31 and the second side wall 32 surround the rotating shaft 11 into a storage space for the telescopic coil tube 4 to be wound;

The suction device includes a compressible rubber suction ball 7, the rubber suction ball 7 communicates with the outlet of the rocker 2 through the inlet section, and the first check valve 6 is provided on the inlet section, so The air outlet of the first one-way valve 6 communicates with the inner cavity of the rubber suction ball 7, and the air inlet of the first one-way valve 6 is used to communicate with the rocker 2; the rubber suction ball 7 passes through the outlet The section communicates with the atmosphere, and the outlet section is provided with a second one-way valve 13, the air inlet of the second one-way valve 13 communicates with the rubber suction ball 7, and the outlet of the second one-way valve 133 The gas port communicates with the atmosphere.

Further, the inner end of the rotating shaft 11 is rotatably arranged on the first side wall 31 through the first bearing 12 , and the outer end of the rotating shaft 11 is rotatably arranged on the second side wall 32 through the second bearing 10 .

Further, a pull ring 5 is provided on the inlet end of the telescopic roll tube 4 , and pulling the pull ring 5 drives the revolving shaft 11 of the rolled telescopic roll tube 4 to facilitate pulling out the telescopic roll tube 4 .

Further, a handle 1 is provided at one end of the ruler frame 3, which is convenient for hand-held operation.

Further, the outer surface of the telescopic roll tube 4 is provided with a scale along the axial direction, which is convenient for calculating the length of the stretched roll tube 4 and selecting the measurement height.

Further, both ends of the support frame 9 are respectively fixed on the inner walls of the two ends of the hose 8 , and the support frame 9 can expand and contract along the axial direction of the hose 8 .

When the telescopic coiled tube 4 is coiled in the storage device, the support frame 9 is not fully unfolded, and the coiled part of the telescopic coiled tube 4 in the storage device will leave a certain space for ventilation, and it can still be ventilated. Therefore, before use, it is necessary to use The air suction device removes the residual air in the telescopic roll tube 4, so as not to affect the detection accuracy.

After the telescopic coil tube 4 is pulled out from the storage device, the support frame 9 unfolds and supports the hose 8, the telescopic coil tube 4 stands up, and the inlet end of the telescopic coil tube 4 is upward, so that the air above can be collected for detection.

When measurement is required, pull out a certain length of telescopic coil tube 4 to clear the residual gas in the telescopic coil tube 4, and connect the outlet of the crank handle 2 to the air quality detection device to measure the collection at the inlet end of the telescopic coil tube 4 The air quality can be obtained, and the use of the telescopic coil tube 4 can realize the collection of air at a certain height above the ground in a short period of time without the aid of heightened buildings. When the time is short, the air quality at the high place and the air quality at the low place are more referential to the requirements at the same time; on the other hand, it is more convenient to use without the need of other buildings, especially suitable for open places.

After the measurement is completed, turn the rocker 2, and the rocker 2 drives the rotating shaft 11 to rotate, and the telescopic coiling tube 4 is wound on the rotating shaft 11 thereupon, so that the telescopic coiling tube 4 is retracted into the storage device for storage, which is easy to carry, and therefore satisfies convenience. carry requirements.

Working process of the present invention is:

1) When measuring, pull out the telescopic roll tube 4 through the pull ring 5. After pulling out, the support frame 9 is fully expanded, which is enough to support the hose 8. The outer surface of the hose 8 is marked with a scale for measuring the unfolded length, which can be measured according to Required height pulls out the telescopic roll tube 4 of corresponding length.

2) Connect the air suction device to the outlet of the crank handle 2, press the rubber suction ball 7, when the rubber suction ball 7 expands, the residual air in the telescopic roll tube 4 flows into the rubber suction ball through the first one-way valve 6 7; when the rubber suction ball 7 was squeezed flat, the gas in the rubber suction ball 7 was directionally discharged into the atmosphere through the second one-way valve 13, so as to remove the residual air in the telescopic coil tube 4.

3) Remove the suction device, connect the outlet of the handle 2 with the air inlet of the air quality detection device, and the air collected by the telescopic coil tube 4 enters the air quality detection device through the rotating shaft 11 and the handle 2 for detection, so as to detect certain Air quality at altitude.

4) After the measurement is finished, shake the handle 2 to retract the telescopic roll tube 4 into the ruler frame 3, and fix it on the rotating shaft 11 through the pull ring 5.

The content described in the embodiments of this specification is only an enumeration of the implementation forms of the inventive concept. The protection scope of the present invention should not be regarded as limited to the specific forms stated in the embodiments. The protection scope of the present invention also includes those skilled in the art. Equivalent technical means conceivable according to the concept of the present invention.

Claims (5)

1. a kind of flexible pipe-reeling device for air quality detecting device it is characterised in that：Including flexible pipe crimping, it is used for receiving The storage device of flexible pipe crimping and the getter device for discharging the gas in flexible pipe crimping；

Described flexible pipe crimping includes flexible pipe and the interior bracing frame for supporting flexible pipe to erect of flexible pipe of outer layer, and support frame as described above is in edge The spring-like of flexible pipe axial screw coiling；

Described storage device includes chi frame, and described chi frame includes spaced the first side wall and second sidewall, and rotating shaft is rotatable Be erected between the first side wall and second sidewall, the inner of rotating shaft is rotatably arranged on the first side wall, the outer end of rotating shaft It is rotatably arranged in second sidewall, and the outer end of rotating shaft is run through second sidewall and is connected with rocking handle, rotated with drive shaft； Described rotating shaft and described rocking handle are all hollow, outer end sealing, the inner of described rotating shaft and the airtight company in the inner of rocking handle of described rotating shaft Logical, the outer end of described rocking handle has the outlet being connected with air quality detecting device；Positioned at the first side wall and second sidewall it Between rotating shaft be provided with opening, described opening is tightly connected with the port of export of flexible pipe crimping, flexible pipe crimping in rotating shaft, Rotating shaft is enclosed the accommodation space for flexible pipe crimping winding by side wall, second sidewall；

Described getter device includes compressible rubber air-breathing ball, and described rubber air-breathing ball passes through the outlet phase of inducer and rocking handle Connection, and described inducer is provided with the first check valve, the gas outlet of described first check valve is connected with the inner chamber of rubber air-breathing ball Logical, the air inlet of described first check valve is used for connecting with rocking handle；Described rubber air-breathing ball passes through outlet section and atmosphere, and Described outlet section is provided with the second check valve, and the air inlet of described second check valve is connected with rubber air-breathing ball, and described second is single Gas outlet and atmosphere to valve.

2. as claimed in claim 1 a kind of flexible pipe-reeling device for air quality detecting device it is characterised in that：Rotating shaft The inner be rotatably arranged on the first side wall by clutch shaft bearing, the outer end of rotating shaft pass through second bearing rotatably arranged with In second sidewall.

3. as claimed in claim 2 a kind of flexible pipe-reeling device for air quality detecting device it is characterised in that：Described The entrance point of flexible pipe crimping is provided with draw ring.

4. as claimed in claim 3 a kind of flexible pipe-reeling device for air quality detecting device it is characterised in that：Described One end of chi frame is provided with handle.

5. as claimed in claim 4 a kind of flexible pipe-reeling device for air quality detecting device it is characterised in that：Described Scale is provided with vertically on the outer surface of flexible pipe crimping.