CN219417325U - Trace oxygen analyzer verification calibrating device - Google Patents

Abstract

The utility model discloses a verification and calibration device for a micro oxygen analyzer, which comprises an analyzer, wherein a display is fixedly connected to one side wall of the analyzer, an air outlet groove is formed in the upper end face of the analyzer, a communicating pipe is fixedly connected to one side wall of the analyzer, which is located on the air outlet groove, a cover plate is arranged on one side wall of the communicating pipe, which is far away from the analyzer, a movable rod penetrates through the cover plate and is connected with the cover plate in a sliding manner, an exhaust mechanism for exhausting residual air in the analyzer is arranged on the side wall of the movable rod, a fixing pipe is fixedly connected to one side wall of the analyzer, and a connecting pipe is fixedly connected to the fixing pipe. The utility model has the structures of the communicating pipe, the piston, the movable rod, the air outlet and the like, the piston is driven to discharge the residual air in the analyzer by the movement and traction of the movable rod in a negative pressure air extraction mode, and the influence of the residual air on the calibration and detection process of the oxygen analyzer is avoided.

Description

Trace oxygen analyzer verification calibrating device

Technical Field

The utility model relates to the technical field of oxygen analyzers, in particular to a verification and calibration device for a micro oxygen analyzer.

Background

Oxygen analyzers are necessary analytical instruments in the gas field, and have been widely used in the fields of chemical industry, metallurgical industry, environmental monitoring, medical and health, aerospace, electronic industry, and the like. The oxygen analyzers can be classified into a percentage oxygen analyzer and a trace oxygen analyzer according to the difference of the detection ranges. The percentage oxygen analyzer can be classified into an electrochemical principle, a zirconia principle and a paramagnetic principle according to the principle. The micro oxygen analyzer can be classified into an electrochemical principle and a zirconia principle according to the principle.

When the existing micro oxygen analyzer detects the content of ambient oxygen, as the air inlet and the air outlet of the micro oxygen analyzer are communicated with the outside, a certain amount of air in the non-detection environment can be remained in the micro oxygen analyzer when the micro oxygen analyzer is used, when the air in the detection environment is inhaled and detected, the residual air can influence the sample quality of the sampled air, so that the accuracy of a detection result is influenced, meanwhile, the connection strength and the tightness between the air inlet and a pipeline of the existing micro oxygen analyzer are low, the phenomenon of air entering in the non-sampling environment is easy to generate, and the detection process is influenced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a verification and calibration device for a micro oxygen analyzer.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a micro oxygen analyzer verification calibrating device, includes the analysis appearance, one side lateral wall fixedly connected with display of analysis appearance, the gas outlet groove has been seted up to the up end of analysis appearance, analysis appearance is located one side lateral wall fixedly connected with communicating pipe of gas outlet groove, one side lateral wall of keeping away from the analysis appearance of communicating pipe is equipped with the apron, run through sliding connection has the movable rod in the apron, the lateral wall of movable rod is equipped with and is used for being in the exhaust mechanism of residual air evacuation in the analysis appearance, one side lateral wall fixedly connected with fixed pipe of analysis appearance, fixedly connected with connecting pipe in the fixed pipe, the lateral wall sliding connection of connecting pipe has the sealing tube, the opposite lateral wall of connecting pipe and sealing tube is equipped with and is used for limiting mechanism to the sliding in-process of sealing tube, fixedly connected with intake pipe in the connecting pipe, the lateral wall of connecting pipe is equipped with the tightening mechanism that is used for tightening in the intake pipe connecting pipe in-process.

Preferably, the exhaust mechanism comprises a piston fixedly connected to the end part of the movable rod at one end in the communicating pipe, and a plurality of air outlets which are arranged at equal intervals are circumferentially arranged on the side wall of the communicating pipe.

Preferably, the stop gear is including seting up the spacing groove of a plurality of circumference settings on the connecting pipe lateral wall, the relative lateral wall fixedly connected with of sealing tube and connecting pipe a plurality of circumference setting's stopper, stopper sliding connection is in the spacing inslot.

Preferably, the tightening mechanism comprises a plurality of tightening grooves which are circumferentially arranged at the end part of the sealing tube far away from the analyzer, and the side wall of the sealing tube is in threaded connection with a threaded tube.

Preferably, the inner side wall of the sealing tube is fixedly connected with a sealing ring, and the side wall of the threaded tube is provided with anti-skid patterns.

Preferably, the lateral wall fixedly connected with haulage rope of analysis appearance, the one end tip fixedly connected with movable rod that the haulage rope kept away from the analysis appearance.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model has the structures of the communicating pipe, the piston, the movable rod, the air outlet and the like, the piston is driven to discharge the residual air in the analyzer by the movement and traction of the movable rod in a negative pressure air extraction mode, and the influence of the residual air on the calibration and detection process of the oxygen analyzer is avoided.

2. The structure of the connecting pipe, the threaded pipe, the sealing ring, the collecting tank and the like is arranged, the clamping of the communicating pipe can be realized through the sandwich structure between the connecting pipe and the air inlet pipe, the sealing and the fixing treatment of the air inlet part of the oxygen analyzer can be realized by matching with the extrusion clamping of the threaded pipe and the sealing ring to the connecting pipe, and the phenomenon that the air inlet part of the oxygen analyzer is influenced in the detection process is avoided.

Drawings

FIG. 1 is a schematic diagram of a calibration device for a micro oxygen analyzer in a front view;

FIG. 2 is a schematic diagram of the bottom structure of a calibration device for calibrating a micro oxygen analyzer according to the present utility model;

fig. 3 is an enlarged schematic diagram of the structure a in fig. 1 of a calibration device for detecting a micro oxygen analyzer according to the present utility model.

In the figure: 1 analyzer, 2 gas outlet groove, 3 communicating pipe, 4 movable rod, 5 apron, 6 pistons, 7 gas outlets, 8 display, 9 fixed pipe, 10 connecting pipe, 11 sealed pipe, 12 spacing groove, 13 screwed pipe, 14 sealing ring, 15 tightening groove, 16 intake pipe.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

Referring to fig. 1-3, a micro oxygen analyzer verification calibrating device, including analyzer 1, one side lateral wall fixedly connected with display 8 of analyzer 1, the gas outlet tank 2 has been seted up to the up end of analyzer 1, one side lateral wall fixedly connected with communicating pipe 3 that analyzer 1 is located gas outlet tank 2, one side lateral wall that keeps away from analyzer 1 of communicating pipe 3 is equipped with apron 5, run through sliding connection has movable rod 4 in the apron 5, the lateral wall fixedly connected with haulage rope of analyzer 1, the one end tip fixedly connected with movable rod 4 that the haulage rope kept away from analyzer 1, the lateral wall of movable rod 4 is equipped with the exhaust mechanism that is used for being in the evacuation of analyzer 1 residual air, exhaust mechanism includes piston 6 that fixed connection is located one end tip in movable rod 3, a plurality of equidistant gas outlets 7 that set up have been seted up to the lateral wall circumference of communicating pipe 3.

One side lateral wall fixedly connected with fixed pipe 9 of analysis appearance 1, fixedly connected with connecting pipe 10 in the fixed pipe 9, the lateral wall sliding connection of connecting pipe 10 has sealed pipe 11, and the relative lateral wall of connecting pipe 10 and sealed pipe 11 is equipped with the stop gear who is used for spacing in the sealed pipe 11 slip in-process, and stop gear is including seting up the spacing groove 12 of a plurality of circumference settings on the connecting pipe 10 lateral wall, and sealed pipe 11 and the stopper of a plurality of circumference settings of relative lateral wall fixedly connected with of connecting pipe 10, stopper sliding connection is in the spacing groove.

The connecting pipe 10 is fixedly connected with intake pipe 16 in, and the lateral wall of connecting pipe 10 is equipped with the tightening mechanism that is used for tightening the intake pipe 16 connecting pipe in-process, and tightening mechanism is including seting up in the tight tube 11 a plurality of circumference setting of keeping away from the one end tip of analysis appearance 1 tighten up groove 15, and the lateral wall threaded connection of tight tube 11 has screwed pipe 13, and the inboard lateral wall fixedly connected with sealing ring 14 of tight tube 11, and the lateral wall of screwed pipe 13 is equipped with the anti-skidding line.

When the air inlet device is used, as shown in fig. 1-3, an air inlet pipeline is firstly sleeved on an air inlet pipe 16 after being emptied, at the moment, the air inlet pipeline is positioned between a connecting pipe 10 and the air inlet pipe 16, then a threaded pipe 13 is rotated to be in threaded connection with the connecting pipe 10, at the moment, a plurality of tightening grooves 15 at the end part of the connecting pipe 10 realize contact clamping between the connecting pipe 10 and the air inlet pipeline under the extrusion action of the threaded pipe 13, the connecting and fixing between the air inlet pipeline and the air inlet pipe 16 are realized through clamping contact fixing between a sealing ring 14 and the air inlet pipe, the analyzer 1 moves on a cover plate 5 through a lifting movable rod 4 before calibration, at the moment, the movable rod 4 drives a piston 6 to be positioned in a communicating pipe 3 and an air outlet groove 2, at the moment, the piston 6 moves upwards to generate negative pressure in the analyzer 1, residual air in the analyzer 1 and the air inlet pipe 16 is adsorbed, and after the air outlet groove 2 is communicated with an air outlet 7, the residual air in the analyzer 1 is discharged through the communicating pipe 3, and the residual air is prevented from affecting the calibration and detection process of the analyzer 1.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a micro oxygen analyzer verification calibrating device, includes analysis appearance (1), a serial communication port, one side lateral wall fixedly connected with display (8) of analysis appearance (1), give vent to anger groove (2) have been seted up to the up end of analysis appearance (1), one side lateral wall fixedly connected with communicating pipe (3) that analysis appearance (1) is located give vent to anger groove (2), one side lateral wall of keeping away from analysis appearance (1) of communicating pipe (3) is equipped with apron (5), run through sliding connection in apron (5) has movable rod (4), the lateral wall of movable rod (4) is equipped with and is used for being in the exhaust mechanism of residual air evacuation in analysis appearance (1), one side lateral wall fixedly connected with fixed pipe (9) of analysis appearance (1), fixedly connected with connecting pipe (10) in fixed pipe (9), the lateral wall sliding connection of connecting pipe (10) has sealed tube (11), the relative lateral wall of connecting pipe (10) and sealed tube (11) is equipped with and is arranged in the limiting mechanism to sealed tube (11) sliding process, fixedly connected with in connecting pipe (16) is equipped with tightening mechanism to air inlet tube (16).

2. The verification and calibration device for the micro oxygen analyzer according to claim 1, wherein the exhaust mechanism comprises a piston (6) fixedly connected to the end part of one end of the movable rod (4) located in the communicating pipe (3), and a plurality of air outlets (7) are circumferentially formed in the side wall of the communicating pipe (3) at equal intervals.

3. The verification and calibration device for the micro oxygen analyzer according to claim 2, wherein the limiting mechanism comprises a plurality of circumferentially arranged limiting grooves (12) formed in the side wall of the connecting pipe (10), and a plurality of circumferentially arranged limiting blocks are fixedly connected to the opposite side walls of the sealing pipe (11) and the connecting pipe (10) and are slidably connected in the limiting grooves.

4. A micro oxygen analyzer verification and calibration device according to claim 3, wherein the tightening mechanism comprises a plurality of tightening grooves (15) circumferentially arranged on the end part of the sealing tube (11) far away from one end of the analyzer (1), and the side wall of the sealing tube (11) is in threaded connection with a threaded tube (13).

5. The verification and calibration device for the micro oxygen analyzer according to claim 4, wherein the inner side wall of the sealing tube (11) is fixedly connected with a sealing ring (14), and the side wall of the threaded tube (13) is provided with anti-skid patterns.

6. The calibration device for detecting the micro oxygen analyzer according to claim 5, wherein a haulage rope is fixedly connected to the side wall of the analyzer (1), and a movable rod (4) is fixedly connected to the end part of one end of the haulage rope far away from the analyzer (1).