Protection structure for sampling port of gas flow tester

Abstract

The utility model provides a protection structure for a sampling port of a gas flow tester, relates to the technical field of protection devices for the sampling port of the gas flow tester, and aims to solve the problem that impurities in air enter an internal pipeline after the sampling port is exposed for a long time because the sampling port of the conventional gas flow tester is not provided with a protection structure. The device comprises a tester, a display screen is mounted on the tester, an interface seat is mounted at the bottom of the tester, a pipeline is mounted at the bottom of the interface seat, an outlet is formed in the left end of the pipeline, a sampling port is formed in the right end of the pipeline, and a positioning seat is fixedly connected to the outer wall of the pipeline at the sampling port. The positioning seat is detachably connected with a protection pipe, and the outlet position is in threaded connection with a sealing cover.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas flow testing appearance sampling port protection device technical field especially relates to a kind of protection structure of gas flow testing appearance sampling port. BACKGROUND

[0002] Gas flow testing appearance is a kind of precision instrument for measuring gas flow, it can accurately determine the gas volume or mass passing through specific section in unit time. The device is widely used in industry, environment, medical treatment, energy and scientific research experiment etc. multiple fields, provides key data support for process control, energy management, environmental monitoring and scientific research.

[0003] Now the sampling port position of gas flow testing appearance is not set protection structure, sampling port is exposed after long time, and impurity in air can enter internal pipeline, affect test result problem, therefore design a kind of protection structure of gas flow testing appearance sampling port, for solving above-mentioned technical problem, it is especially important. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the sampling port position of present gas flow testing appearance is not set protection structure, sampling port is exposed after long time, and impurity in air can enter internal pipeline, affect test result problem, and proposes a kind of protection structure of gas flow testing appearance sampling port.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of protection structure of gas flow testing appearance sampling port, including testing appearance, display screen is installed on the testing appearance, the bottom of the testing appearance is installed with interface seat, the bottom of the interface seat is installed with pipeline, the left end of the pipeline is outlet, the right end of the pipeline is sampling port, the pipeline outer wall in the position of sampling port is fixedly connected with positioning seat, the positioning seat is detachably connected with protection tube, the outlet position is threadedly connected with cover.

[0006] Preferably, the right end of the protection tube is threadedly connected with protection cover, and the protection cover is provided with a handle ring.

[0007] Preferably, the inner wall of the protection cover is fixedly connected with a sealing ring, and the sealing ring is made of antibacterial material.

[0008] Preferably, the positioning seat is provided with a receiving groove, and the receiving groove is provided with a slidable protrusion, and the protrusion and the inner wall of the receiving groove are connected by a spring, and the outer wall of the protection tube is provided with a limiting groove.

[0009] Preferably, the protrusion and the limiting groove are matched with each other, and the end of the protrusion is in spherical structure.

[0010] Compared with the prior art, the utility model has the advantages and positive effects that,

[0011] 1、 in the utility model, in use, through install detachable protection pipe and protection cover structure at the sampling port position, form effective protection at the sampling port position, protection pipe and protection cover whole structure detachable connection, easy to work staff dismouting maintenance, compared with the prior art, the utility model adopts technical scheme and can realize the protection of the detachable movable structure at the sampling port position, the flexibility of the structure is big, it is convenient for work staff dismouting maintenance, solve the problem that the protection structure is not arranged at the sampling port position of the present gas flow test appearance, after long time exposure, the impurity in the air enters the internal pipeline of the sampling port, influence test result.

[0012] 2、 in the utility model, in use, the convex block and the limiting groove are mutually fitted, the end of the convex block is spherical structure and is convenient for being mutually limited with the limiting groove, and the limiting work of the protection pipe in the positioning seat is completed. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall drawing of the protection structure of the sampling port of the utility model gas flow test appearance;

[0014] Figure 2 It is Figure 1 It is the partial enlarged schematic view of part A;

[0015] Figure 3 It is the partial structure schematic view of protection pipe and protection cover in the protection structure of the sampling port of the utility model gas flow test appearance.

[0016] Legend: 1, test appearance;2, display screen;3, interface seat;4, pipeline;401, outlet;402, sampling port;5, positioning seat;501, protection pipe;502, cover;503, protection cover;504, handle ring;505, sealing ring;6, containing groove;601, convex block;602, spring;603, limiting groove. DETAILED DESCRIPTION

[0017] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and examples.It should be explained that the embodiments of the present application and the features in the examples can be combined with each other without conflict.

[0018] In the following description, a lot of specific details are set forth in order to fully understand the utility model, however, the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific embodiments disclosed in the following description.

[0019] The utility model provides a kind of protection structure of gas flow tester sampling port, including tester 1, display screen 2 is installed on the tester 1, interface seat 3 is installed at the bottom of the tester 1, pipeline 4 is installed at the bottom of the interface seat 3, the left end of the pipeline 4 is outlet 401, the right end of the pipeline 4 is sampling port 402, fixedly connected with positioning seat 5 on the outer wall of pipeline 4 at sampling port 402 position, the positioning seat 5 is detachably connected with protection tube 501, cover 502 is threadedly connected at outlet 401 position, protection cover 503 is threadedly connected at the right end of protection tube 501, handle ring 504 is installed on protection cover 503, sealing ring 505 is fixedly connected on the inner wall of protection cover 503, the sealing ring 505 is made of antibacterial material, accommodating groove 6 is provided in the positioning seat 5, the protruding block 601 of slidable is installed in the accommodating groove 6, the inner wall between the protruding block 601 and the accommodating groove 6 is connected by spring 602, limiting groove 603 is installed on the outer wall of protection tube 501, limiting groove 603 and protruding block 601 mutually fit to complete the limiting work of protection tube 501 in positioning seat 5;

[0020] The protection structure of gas flow tester sampling port is used in actual use, the left end of pipeline 4 is outlet 401, cover 502 structure is threadedly connected at outlet 401 position, to ensure the relative sealing of outlet 401 position, positioning seat 5 structure is installed on the outer wall of pipeline 4 right side, and accommodating groove 6 structure is prefabricated in positioning seat 5, slidable protruding block 601 and spring 602 combination structure are arranged in accommodating groove 6, when protection tube 501 is inserted into positioning seat 5, spring 602 directly acts on protruding block 601, and protruding block 601 pops out under the action of spring 602, and is limited with the limiting groove 603 on protection tube 501, to complete the installation work of protection tube 501 in positioning seat 5, protection cover 503 structure is threadedly connected at the end of protection tube 501, and sealing ring 505 structure is installed on the inner wall of protection cover 503, when protection tube 501 is installed in positioning seat 5, effective protection is formed from the port of protection tube 501, the installation of protection tube 501 and protection cover 503 structure completes the protection of sampling port 402 position, by installing detachable protection tube 501 and protection cover 503 structure at sampling port 402 position, effective protection is formed at sampling port 402 position, and the overall structure of protection tube 501 and protection cover 503 is detachably connected, easy to be disassembled and maintained by staff, compared with the case that no protection structure is arranged at the position of conventional sampling port 402, the technical scheme of the utility model can realize the protection of detachable movable structure at the position of sampling port 402, and the flexibility of structure is large, and it is convenient for staff to disassemble and maintain.

[0021] Example 1

[0022] As Figures 1-3As shown, the convex block 601 and the limiting groove 603 are matched with each other, and the end of the convex block 601 is a spherical structure,

[0023] The effect achieved by the whole embodiment 1 is that, in use, the convex block 601 and the limiting groove 603 are matched with each other, and the end of the convex block 601 is a spherical structure, which is convenient for limiting with the limiting groove 603, and the limiting work of the protection tube 501 in the positioning seat 5 is completed.

[0024] Working principle: the left end of the pipeline is an outlet, a cover structure is threadedly connected at the outlet position, which ensures the relative sealing of the outlet position, a positioning seat structure is installed on the outer wall of the right side of the pipeline, and a containing groove structure is prefabricated in the positioning seat, a slidable convex block and spring combination structure are arranged in the containing groove, when the protection tube is inserted into the positioning seat, the spring directly acts on the convex block, the convex block is popped out under the action of the spring, and is limited with the limiting groove on the protection tube, the installation work of the protection tube in the positioning seat is completed, a protection cover structure is threadedly connected at the end of the protection tube, a sealing ring structure is installed on the inner wall of the protection cover, when the protection tube is installed in the positioning seat, effective protection is formed from the port of the protection tube, the installation of the protection tube and the protection cover structure is completed, and the protection of the sampling port position is completed.

Claims

1. A protection structure of a sampling port of a gas flow tester, comprising a tester (1), a display screen (2) is installed on the tester (1), characterized in that, The bottom of the tester (1) is provided with an interface seat (3), the bottom of the interface seat (3) is provided with a pipeline (4), the left end of the pipeline (4) is an outlet (401), the right end of the pipeline (4) is a sampling port (402), the outer wall of the pipeline (4) at the position of the sampling port (402) is fixedly connected with a positioning seat (5), the positioning seat (5) is detachably connected with a protective tube (501), and the outlet (401) is threadedly connected with a cover (502).

2. The gas flow tester sampling port protection structure of claim 1, wherein, The right end of the protective tube (501) is threadedly connected with a protective cover (503), and the protective cover (503) is provided with a handle ring (504).

3. The gas flow tester sampling port protection structure of claim 2, wherein, The inner wall of the protective cover (503) is fixedly connected with a sealing ring (505), and the sealing ring (505) is made of antibacterial material.

4. The gas flow tester sampling port protection structure of claim 1, wherein, The positioning seat (5) is provided with a containing groove (6), the containing groove (6) is provided with a slidable protrusion (601), the protrusion (601) and the inner wall of the containing groove (6) are connected through a spring (602), and the outer wall of the protective tube (501) is provided with a limiting groove (603).

5. The gas flow tester sampling port protection structure of claim 4, wherein, The protrusion (601) and the limiting groove (603) are matched with each other, and the end of the protrusion (601) is in spherical structure.

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