CN216847094U

CN216847094U - Auxiliary tool for air sampler

Info

Publication number: CN216847094U
Application number: CN202122987086.XU
Authority: CN
Inventors: 易境; 李小兰; 李星; 侯丹
Original assignee: Hunan Jingchun Testing Technology Co ltd
Current assignee: Hunan Jingchun Testing Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-06-28
Anticipated expiration: 2031-11-30

Abstract

The utility model provides an auxiliary tool of an air sampler. Air sampler's auxiliary fixtures includes: the air sampler comprises a shell of the air sampler, wherein an air sampling pipe used for air to enter the air sampler is arranged on the shell; the connecting device is arranged inside the shell and comprises a recoil air pipe, a filter is arranged inside the recoil air pipe, the bottom of the recoil air pipe is fixedly connected with a dust removal pipe, and the dust removal pipe is provided with an electromagnetic valve; the mounting assembly is fixed at the top of the recoil air pipe and comprises a mounting pipe. The auxiliary tool of the air sampler provided by the utility model can drive the filter to move up and down through the connecting shaft by pulling or pushing the pull ring, so that the filter can be conveniently pulled out through the mounting pipe or can be installed in the recoil air pipe under the condition that the shell is not opened.

Description

Auxiliary tool for air sampler

Technical Field

The utility model relates to the technical field of air samplers, in particular to an auxiliary tool of an air sampler.

Background

The air sampler system comprises a detector and a sampling network pipe, wherein the detector comprises an air suction pump, a filter, a laser detection cavity, a control circuit, a display circuit and the like.

The working principle of the air sampler is as follows: the air suction pump continuously collects air samples from a protected area through a sampling pipe network consisting of PVC pipes or steel pipes and puts the air samples into a detector, the air samples are filtered out of dust particles through a filter assembly and then enter a detection cavity, the detection cavity is provided with a stable laser light source, smoke particles enable laser to be scattered, scattered light enables a high-sensitivity light receiver to generate signals, and photoelectric conversion is completed through system analysis. The smoke concentration value and the alarm grade thereof are displayed by a display.

In prior art, the filter is installed in the sampling pipe network, carries out the dust to the gas through adopting the pipe network and filters, but when needs are changed or are maintained the filter, not only need open the shell of air sampler, still need open and adopt the pipe network, just can take out the filter and change the maintenance, and the operation is complicated, inconvenient use.

Therefore, it is necessary to provide an auxiliary tool for an air sampler to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an auxiliary tool for an air sampler, which solves the problem that when a filter needs to be replaced or maintained, not only a shell of the air sampler needs to be opened, but also a pipe network needs to be opened to take out the filter for replacing and maintaining.

In order to solve the technical problem, the auxiliary tool of the air sampler provided by the utility model comprises: the air sampler comprises a shell of the air sampler, wherein an air sampling pipe for air to enter the air sampler is arranged on the shell;

the connecting device is arranged inside the shell and comprises a recoil air pipe, a filter is arranged inside the recoil air pipe, a dust removal pipe is fixedly connected to the bottom of the recoil air pipe, and an electromagnetic valve is arranged on the dust removal pipe;

the mounting assembly is fixed to the top of the recoil air pipe and comprises a mounting pipe, a sealing plug is arranged on the mounting pipe, a connecting shaft is fixedly connected to the sealing plug, and a pull ring is fixedly connected to the top of the connecting shaft;

the recycling assembly is arranged on one side of the shell and comprises a dust collecting groove, and a pull-type dust collecting box is arranged in the dust collecting groove.

Preferably, the air-return pipe is fixed inside the housing, and one end of the air-return pipe is fixedly connected with the air sampling pipe.

Preferably, the installation pipe is fixed on the recoil air pipe and communicated with the recoil air pipe, and the bottom of the connecting shaft and the filter are fixedly connected and used for driving the filter to move together.

Preferably, the dust collecting groove is arranged on one side of the shell, and the bottom of the dust removing pipe extends into the dust collecting groove and is positioned above the dust collecting box.

Preferably, the inside of shell is provided with surveys the chamber, the inside in surveying the chamber is provided with the aspirator pump.

Preferably, the method further comprises the following steps: the filter assembly is fixed on the bottom fixed connection of the connecting shaft, the filter assembly comprises a sealing outer ring, a filter screen is fixedly connected to the inner surface of the sealing outer ring, and a fixing ring is fixedly connected to the circle center position of the filter screen.

Preferably, the top of the fixing ring is fixedly connected with the bottom of the connecting shaft, and the bottom of the sealing outer ring is fixedly connected with a guide shaft sleeve bent inwards.

Compared with the related art, the auxiliary tool of the air sampler provided by the utility model has the following beneficial effects:

The utility model provides an auxiliary tool for an air sampler, which can drive a filter to move up and down through a connecting shaft by pulling or pushing a pull ring, so that the filter can be conveniently drawn out through a mounting pipe or installed in a recoil air pipe under the condition that a shell is not opened, and when the filter is positioned in the recoil air pipe, the filter is plugged into the mounting pipe through a sealing plug, so that the sealing capacity of air passing through the recoil air pipe is improved, the auxiliary tool is simple to operate, convenient to use and convenient to install, clean and maintain the filter.

Drawings

FIG. 1 is a schematic structural view of a first embodiment of an auxiliary tool of an air sampler provided in the present invention;

FIG. 2 is a schematic view of the interior of the housing shown in FIG. 1;

FIG. 3 is a schematic structural view of the mounting assembly portion shown in FIG. 2;

FIG. 4 is a schematic structural view of a second embodiment of an auxiliary tool of an air sampler according to the present invention;

FIG. 5 is a schematic view of the filter assembly portion of FIG. 4;

fig. 6 is a schematic view of the bottom portion of the filter assembly of fig. 5.

Reference numbers in the figures:

1. a shell 2, an air sampling pipe;

3. the device comprises a connecting device 31, a recoil air pipe 32, a filter 33, a dust removal pipe 34 and an electromagnetic valve;

4. The installation assembly comprises an installation assembly 41, an installation pipe 42, a sealing plug 43, a connecting shaft 44 and a pull ring;

5. a recovery component 51, a dust collecting groove 52 and a dust collecting box;

6. a detection cavity 7 and a suction pump;

8. the filter assembly 81, the sealing outer ring 82, the filter screen 83, the fixing ring 84 and the guide shaft sleeve.

Detailed Description

The utility model is further described below with reference to the drawings and the embodiments.

First embodiment

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a first embodiment of an auxiliary tool for an air sampler according to the present invention; FIG. 2 is a schematic view of the interior of the housing shown in FIG. 1; fig. 3 is a schematic structural view of the mounting assembly portion shown in fig. 2. Air sampler's auxiliary fixtures includes: the air sampler comprises a shell 1 of the air sampler, wherein an air sampling pipe 2 for air to enter the air sampler is arranged on the shell 1;

the connecting device 3 is arranged inside the shell 1, the connecting device 3 comprises a recoil air pipe 31, a filter 32 is arranged inside the recoil air pipe 31, a dust removal pipe 33 is fixedly connected to the bottom of the recoil air pipe 31, and an electromagnetic valve 34 is arranged on the dust removal pipe 33;

The mounting assembly 4 is fixed at the top of the recoil air pipe 31, the mounting assembly 4 comprises a mounting pipe 41, a sealing plug 42 is arranged on the mounting pipe 41, a connecting shaft 43 is fixedly connected to the sealing plug 42, and a pull ring 44 is fixedly connected to the top of the connecting shaft 43;

the recycling assembly 5 is arranged on one side of the shell 1, the recycling assembly 5 comprises a dust collecting groove 51, and a pull-out dust collecting box 52 is arranged in the dust collecting groove 51.

The shell 1 of the air sampler is provided with a display device and a control button, an external power supply is needed for use, and when the air sampler is used, external air can be sucked into the shell 1 through the air sampling pipe 2.

The air return pipe 31 is fixed inside the housing 1, and one end of the air return pipe 31 is fixedly connected with the air sampling pipe 2.

One end of the air sampling pipe 2 connected with the recoil air pipe 31 is obliquely arranged, so that dust backflow is avoided.

The mounting tube 41 is fixed to the recoil air tube 31 and communicated with the recoil air tube 31, and the bottom of the connecting shaft 43 is fixedly connected with the filter 32 to drive the filter 32 to move together.

The filter 32 is vertically movable in the interior of the muffler 31, and the inside diameter of the muffler 31 is uniform after the pipe 41 is attached.

The dust collecting groove 51 is opened at one side of the housing 1, and the bottom of the dust removing pipe 33 extends into the dust collecting groove 51 and is positioned above the dust collecting box 52.

The dust collecting box 52 is of a drawing type, which is convenient for drawing out the dust in the dust collecting box 52 for cleaning.

The inside of shell 1 is provided with surveys chamber 6, the inside of surveying chamber 6 is provided with aspirator pump 7.

The air suction pump 7 can suck external air into the detection cavity 6 through the recoil air pipe 31 and the air sampling pipe 2, a stable laser light source is arranged in the detection cavity 6, smoke particles enable laser to be scattered, scattered light enables a high-sensitivity light receiver to generate signals, photoelectric conversion is completed through system analysis, and a smoke concentration value and an alarm level thereof are displayed by a display.

The working principle of the auxiliary tool of the air sampler provided by the utility model is as follows:

during the process of the external air entering the detection chamber 6 through the return air pipe 31, the filter 32 can filter the dust in the air, the smoke particles and the air can pass through the filter 32 and finally enter the interior of the detection chamber 6, and when the solenoid valve 34 is opened, the dust filtered by the filter 32 in the return air pipe 31 can enter the interior of the dust collection box 52.

When the pull ring 44 is pulled up manually, the pull ring 44 drives the filter 32 to move upwards through the connecting shaft 43, the filter 32 is drawn out from the recoil air pipe 31, so that the filter 32 can return to the outside of the shell 1 through the mounting pipe 41, when the filter 32 needs to be mounted after being opened, the filter 32 can be plugged into the recoil air pipe 31 through the mounting pipe 41 for filtering, and the sealing plug 42 can be plugged into the mounting pipe 41 to seal the mounting pipe 41, so that the gas inside the recoil air pipe 31 is prevented from leaking from the mounting pipe 41.

through pulling or promotion pull ring 44, can drive filter 32 through connecting axle 43 and reciprocate, the convenience is under the condition of not opening shell 1, take filter 32 out through installation pipe 41, perhaps pack filter 32 into the inside of recoil trachea 31, when filter 32 is located recoil trachea 31 inside, fill in installation pipe 41 inside through sealing plug 42, promote gaseous sealing capacity in the recoil trachea 31 of gaseous process, and easy operation facilitates the use, the installation and the clearance maintenance of the filter 32 of being convenient for.

Second embodiment

Referring to fig. 4 to 6, based on the first embodiment of the present application, an auxiliary tool based on an air sampler is provided, and a second embodiment of the present application provides another auxiliary tool based on an air sampler. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

Specifically, the difference that the auxiliary fixtures based on air sampler that the second embodiment of this application provided lies in, auxiliary fixtures based on air sampler still includes:

the filter assembly 8, the filter assembly 8 is fixed in the bottom fixed connection of connecting axle 43, the filter assembly 8 is including sealed outer loop 81, the internal surface fixed connection of sealed outer loop 81 has filter screen 82, the solid fixed ring 83 of centre of a circle position department fixed connection of filter screen 82.

The top of the fixing ring 83 is fixedly connected with the bottom of the connecting shaft 43, and the bottom of the sealing outer ring 81 is fixedly connected with a guide shaft sleeve 84 which is bent inwards.

By bending the guide sleeve 84 inwardly, it is facilitated to push the guide sleeve 84 inwardly into the interior of the mounting tube 41, and more conveniently to allow the filter assembly 8 to enter the interior of the recoil air tube 31 through the mounting tube 41.

replace filter 32 to gaseous through the filtering component 8 that sets up in the inside of recoil trachea 31, through the sealed outer loop 81 that sets up of outermost lane, can be so that the abundant laminating of filtering component 8 and recoil trachea 31 internal surface for gaseous can only pass through filter screen 82, and through the connection of solid fixed ring 83 and connecting axle 43, make things convenient for connecting axle 43 to drive whole filtering component 8 and remove.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an air sampler's auxiliary fixtures which characterized in that includes:

the air sampler comprises a shell of the air sampler, wherein an air sampling pipe used for air to enter the air sampler is arranged on the shell;

the connecting device is arranged inside the shell and comprises a recoil air pipe, a filter is arranged inside the recoil air pipe, the bottom of the recoil air pipe is fixedly connected with a dust removal pipe, and the dust removal pipe is provided with an electromagnetic valve;

The mounting assembly is fixed to the top of the recoil air pipe and comprises a mounting pipe, a sealing plug is arranged on the mounting pipe, a connecting shaft is fixedly connected onto the sealing plug, and a pull ring is fixedly connected to the top of the connecting shaft;

the recycling component is arranged on one side of the shell and comprises a dust collecting groove, and a pull-type dust collecting box is arranged in the dust collecting groove.

2. The auxiliary tool of the air sampler according to claim 1, wherein the return air pipe is fixed inside the shell, and one end of the return air pipe is fixedly connected with the air sampling pipe.

3. The auxiliary tool of the air sampler according to claim 1, wherein the mounting tube is fixed to the recoil air tube and communicated with the recoil air tube, and the bottom of the connecting shaft is fixedly connected with the filter to drive the filter to move together.

4. The auxiliary tool of the air sampler according to claim 1, wherein the dust collecting groove is formed in one side of the housing, and the bottom of the dust removing pipe extends into the dust collecting groove and is located above the dust collecting box.

5. The auxiliary tool of the air sampler according to claim 1, wherein a detection cavity is arranged inside the shell, and a suction pump is arranged inside the detection cavity.

6. The auxiliary tool of the air sampler according to claim 3, further comprising: the filter assembly is fixed on the bottom fixed connection of the connecting shaft and comprises a sealed outer ring, a filter screen is fixedly connected to the inner surface of the sealed outer ring, and a fixing ring is fixedly connected to the circle center position of the filter screen.

7. The auxiliary tool of the air sampler according to claim 6, wherein the top of the fixing ring is fixedly connected with the bottom of the connecting shaft, and the bottom of the sealing outer ring is fixedly connected with a guide shaft sleeve bent inwards.