Handheld combustible gas detection instrument

Abstract

The utility model discloses a handheld combustible gas detection instrument, relates to gas detection field, including machine body, connecting subassembly and mounting ring, the top of machine body is fixedly connected with the fixed port, and the top of fixed port is welded with the fixed ring, and the upper part of fixed port is connected with the conduit through the fixed ring clamping, and the conduit is connected with the connecting subassembly through the connecting subassembly. And one end of the catheter is provided with a detection end. According to the handheld combustible gas detection instrument, by arranging the connecting assembly and the mounting assembly, when the combustible gas detection instrument is used for detecting gas, structural connection is tight, the situation of gas leakage in the subsequent gas detection process is avoided, it is guaranteed that the gas detection process is carried out smoothly, and the detection efficiency is improved. The accuracy of a gas detection result is guaranteed, meanwhile, the situation that the instrument accidentally falls off and is damaged is avoided, the combustible gas detection instrument is protected to a certain degree, and workers can conveniently use the combustible gas detection instrument.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of gas detection, specifically to a handheld combustible gas detection instrument. BACKGROUND

[0002] Gas detection refers to the process of detecting and analyzing gas components in air, water or other media through specific sensors or professional instruments. Gas detection plays an important role in environmental protection, industrial safety and human health. By monitoring and analyzing gas components, effective monitoring of environmental pollution can be achieved, safety of industrial production can be ensured, and important information for medical diagnosis can be provided. When detecting gas, the staff involves the use of combustible gas detection instruments.

[0003] However, the current combustible gas detection instrument still has some shortcomings. For example, the combustible gas detector with the application number 202120680826.2 has not fully considered the anti-falling structure of the combustible gas detection instrument. During the use of the combustible gas detection instrument for gas detection, if the anti-falling structure of the combustible gas detection instrument is not fully considered, the staff may accidentally drop the instrument when holding it, which may cause damage to the combustible gas detection instrument and seriously affect the service life of the combustible gas detection instrument, making it inconvenient for the staff to use the combustible gas detection instrument.

[0004] Therefore, there is an urgent need to improve this defect. The utility model is aimed at researching and improving the existing structure and deficiencies, and provides a handheld combustible gas detection instrument. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a handheld combustible gas detection instrument to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a handheld combustible gas detection instrument, comprising a body, a connecting assembly and a mounting ring, the top of the body is fixedly connected with a fixed port, the top of the fixed port is welded with a fixed ring, the upper side of the fixed port is connected with a conduit through the fixed ring, one end of the conduit is provided with a detection end, the connecting assembly is arranged at the connection between the fixed port and the conduit, and the connecting assembly comprises a limiting ring, a first clasp ring, a blocking ring, a second clasp ring, a limiting piece, a fixed rod, a return spring, a clamping piece and an arc-shaped clamping block, the mounting ring is fixedly connected to the bottom of the body, an elastic ring is arranged below the mounting ring, and a mounting assembly is arranged between the mounting ring and the elastic ring.

[0007] Further, the bottom inner side of the limiting ring is welded with a first snap ring, the limiting ring is rotationally connected with the outer wall of the fixed port through the first snap ring, the inner side of the limiting ring is provided with an internal thread, and the limiting ring is rotationally connected with the end of the catheter through the internal thread.

[0008] Further, the top of the limiting ring is provided with a blocking ring, the blocking ring is welded to the outer wall of the end of the catheter, the bottom of the blocking ring is welded with a second snap ring, and the blocking ring is clampedly connected with the top of the limiting ring through the second snap ring.

[0009] Further, the four sides of the inner part of the blocking ring are provided with limiting pieces, one end of the limiting piece penetrates through a fixing rod, one side of the end of the limiting piece is provided with a return spring, and the return spring is arranged on the outer side of the fixing rod.

[0010] Further, one end of the limiting piece penetrates through the blocking ring and is welded with a clamping piece, the inner bottom of the clamping piece is welded with an arc-shaped clamping block, and the clamping piece is clampedly connected with the outer wall of the limiting ring through the arc-shaped clamping block.

[0011] Further, the mounting assembly comprises a first sleeve ring, a second sleeve ring, a fixed connecting piece, a rotating piece and a mounting plate, the first sleeve ring is arranged on the outer side of the mounting ring, and the second sleeve ring is arranged below the first sleeve ring.

[0012] Further, the second sleeve ring is arranged on the outer side of the elastic ring, the fixed connecting pieces are welded to the two side surfaces of the second sleeve ring, and the rotating piece is rotationally connected above the fixed connecting pieces.

[0013] Further, the fixed connecting pieces and the rotating piece are clampedly connected with the outer wall of the first sleeve ring, the mounting plate is welded to the outer wall of the rotating piece, and the mounting plates are fixedly connected through bolts.

[0014] The utility model provides a kind of hand-held combustible gas detection instrument, with following beneficial effects:

[0015] 1, the utility model is provided with connecting assembly, in the use process of detecting gas by using combustible gas detection instrument, using the internal thread of limiting ring, the end of catheter is gradually moved to fixed port, and the arc-shaped clamping block welded to the inner bottom of clamping piece is clamped with the outer wall of limiting ring using the elastic force of return spring, to complete the close connection between fixed port and catheter, structure connection is close, avoid the situation of gas leakage in subsequent gas detection process, ensure the smooth progress of gas detection process, and ensure the accuracy of gas detection result, simple structure, facilitate staff to use combustible gas detection instrument.

[0016] 2, The utility model discloses the installation assembly is provided with, in the use process of detecting gas by using combustible gas detection instrument, the first ring is engaged in the inboard of fixed connecting piece and rotating part, utilizes bolt to fix between mounting panel to make the elastic ring install below the organism, in the use process of the organism of subsequent staff, the elastic ring is covered in the wrist, avoids the condition of instrument accidental drop damage, protects a certain combustible gas detection instrument, prolongs the service life of combustible gas detection instrument, simple structure, the staff is convenient to the use of combustible gas detection instrument. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the appearance three-dimensional structure schematic diagram of a handheld combustible gas detection instrument of the utility model;

[0018] Figure 2 It is the fixed port - connection assembly three - dimensional sectional view structure split schematic diagram of a handheld combustible gas detection instrument of the utility model;

[0019] Figure 3 It is the fixed port - connection assembly three - dimensional sectional view structure split schematic diagram of a handheld combustible gas detection instrument of the utility model; Figure 2 It is the structure enlarged schematic diagram of A place in the utility model;

[0020] Figure 4 It is the installation ring - installation assembly three - dimensional split structure development schematic diagram of a handheld combustible gas detection instrument of the utility model.

[0021] In the drawing: 1, organism;2, fixed port;3, fixed ring;4, guide pipe;5, detection end;6, connection assembly;601, limit ring;602, first snap ring;603, blocking ring;604, second snap ring;605, limiting piece;606, fixed rod;607, return spring;608, clamping piece;609, arc clamping block;7, installation ring;8, elastic ring;9, installation assembly;901, first ring;902, second ring;903, fixed connecting piece;904, rotating part;905, mounting panel. DETAILED DESCRIPTION

[0022] The embodiment of the utility model is further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0023] As Figures 1-3The utility model discloses a handheld combustible gas detection instrument, including body 1, connecting component 6 and mounting ring 7, the top fixed connection of body 1 has fixed port 2, and the top of fixed port 2 is welded with fixed ring 3, and the upper of fixed port 2 is connected with the pipe 4 through the clamping of fixed ring 3, and one end of pipe 4 is provided with detection end 5, connecting component 6 sets up at the connecting place of fixed port 2 and pipe 4, and connecting component 6 includes limit ring 601, first snap ring 602, blocking ring 603, second snap ring 604, limiting piece 605, fixed rod 606, reset spring 607, clamping piece 608 and arc clamping block 609, the bottom inboard of limit ring 601 is welded with first snap ring 602, and limit ring 601 is rotatably connected with the outer wall of fixed port 2 through first snap ring 602, and the inboard of limit ring 601 is provided with internal thread, and limit ring 601 is rotatably connected with the end of pipe 4 through internal thread, the top of limit ring 601 is provided with blocking ring 603, and blocking ring 603 is welded on the end outer wall of pipe 4, and the bottom of blocking ring 603 is welded with second snap ring 604, and blocking ring 603 is clamped with the top of limit ring 601 through second snap ring 604, the inside four sides of blocking ring 603 are provided with limiting piece 605, and one end of limiting piece 605 is connected with fixed rod 606, and one side reset spring 607 is arranged at the end of limiting piece 605, and reset spring 607 is arranged at the outside of fixed rod 606, one end of limiting piece 605 is welded with clamping piece 608 through blocking ring 603, and the inboard bottom of clamping piece 608 is welded with arc clamping block 609, and clamping piece 608 is clamped with the outer wall of limit ring 601 through arc clamping block 609,

[0024] Specific operation is as follows, before the instrument is used, the staff installs pipe 4 with fixed port 2 by connecting component 6, by rotating limit ring 601, the end of pipe 4 gradually moves to fixed port 2 by the internal thread of limit ring 601, and the end of pipe 4 is clamped between fixed ring 3 welded on the top of fixed port 2, at the same time, the staff pulls out clamping piece 608, and the reset spring 607 arranged at the outside of fixed rod 606 is extruded by the limiting piece 605 connected with clamping piece 608, when the end outer wall of pipe 4 is fixedly connected with the top of limit ring 601, and the second snap ring 604 welded on the bottom of blocking ring 603 is clamped with the top of limit ring 601, the staff releases the pulling of clamping piece 608, and the arc clamping block 609 welded on the inboard bottom of clamping piece 608 is clamped with the outer wall of limit ring 601 under the elastic force of reset spring 607, thereby the close connection between fixed port 2 and pipe 4 is completed, simple structure, and the staff is convenient to use combustible gas detection instrument.

[0025] AsFigure 1 And Figure 4 As shown in the figure, the mounting ring 7 is fixedly connected to the bottom of the body 1, and the elastic ring 8 is arranged below the mounting ring 7, and the mounting assembly 9 is arranged between the mounting ring 7 and the elastic ring 8, the mounting assembly 9 includes a first collar 901, a second collar 902, a fixed connecting piece 903, a rotating piece 904 and a mounting plate 905, the first collar 901 is arranged outside the mounting ring 7, and the second collar 902 is arranged below the first collar 901, the second collar 902 is arranged outside the elastic ring 8, the fixed connecting piece 903 is welded on the two side surfaces of the second collar 902, the rotating piece 904 is rotatably connected above the fixed connecting piece 903, the fixed connecting piece 903 and the rotating piece 904 are clamped and connected with the outer wall of the first collar 901, the mounting plate 905 is welded on the outer wall of the rotating piece 904, and the mounting plates 905 are fixedly connected by bolts;

[0026] Specific operation as follows, the staff before using the instrument, using the mounting assembly 9 to install the elastic ring 8, the first collar 901 arranged outside the mounting ring 7 is clamped with the fixed connecting piece 903 on both sides of the second collar 902, then the rotating piece 904 rotatably connected above the fixed connecting piece 903 is rotated, so that the rotating piece 904 is also clamped with the first collar 901, then the mounting plate 905 welded on the outer wall of the rotating piece 904 is fixed by bolts, so that the elastic ring 8 arranged inside the second collar 902 is installed below the body 1, in the subsequent use process of the staff to the body 1, the elastic ring 8 is sleeved on the wrist, to avoid the instrument accidental drop damage situation, simple structure, convenient for staff to use the combustible gas detection instrument.

[0027] In summary, the hand-held combustible gas detector, according to Figures 1-4In the use process of detecting gas by using the combustible gas detection instrument, first, the staff installs the pipe 4 with the fixed port 2 by using the connecting assembly 6 before using the instrument, rotates the limiting ring 601, uses the internal thread of the limiting ring 601, makes the end of the pipe 4 gradually move to the fixed port 2, and makes the end of the pipe 4 and the fixed ring 3 welded on the top of the fixed port 2 are clamped, at the same time, the staff pulls the clamping piece 608 outward, so that the limiting piece 605 connected with the clamping piece 608 extrudes the reset spring 607 arranged outside the fixed rod 606, when the blocking ring 603 fixedly connected with the outer wall of the end of the pipe 4 contacts the top of the limiting ring 601, and the second clamping ring 604 welded on the bottom of the blocking ring 603 is clamped with the top of the limiting ring 601, the staff releases the pulling of the clamping piece 608, so that the clamping piece 608 moves to the original position under the elastic force of the reset spring 607, so that the arc-shaped clamping block 609 welded on the inside bottom of the clamping piece 608 is clamped with the outer wall of the limiting ring 601, and the close connection between the fixed port 2 and the pipe 4 is completed, in addition, the staff installs the elastic ring 8 by using the mounting assembly 9, clamps the first sleeve ring 901 and the second sleeve ring 902 on both sides of the fixed connecting piece 903 arranged outside the mounting ring 7, then rotates the rotating piece 904 rotatably connected above the fixed connecting piece 903, so that the rotating piece 904 is also clamped with the first sleeve ring 901, then the mounting plate 905 welded on the outer wall of the rotating piece 904 is fixed by using the bolt, so that the elastic ring 8 arranged inside the second sleeve ring 902 is installed below the machine body 1, in the subsequent use process of the staff to the machine body 1, the elastic ring 8 is sleeved on the wrist, so that the instrument is prevented from being damaged due to accidental falling, the structure is simple, and the staff can use the combustible gas detection instrument conveniently.

[0028] The embodiments of the present application are given for the purpose of illustration and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application in order to design various embodiments with various modifications for specific use.

Claims

1. A hand-held combustible gas detection instrument comprising a body (1), a connecting assembly (6) and a mounting ring (7), characterized in that, The top of the body (1) is fixedly connected with a fixed port (2), the top of the fixed port (2) is welded with a fixed ring (3), the upper side of the fixed port (2) is clampedly connected with a catheter (4) through the fixed ring (3), one end of the catheter (4) is provided with a detection end (5), a connecting assembly (6) is arranged at the connecting position of the fixed port (2) and the catheter (4), and the connecting assembly (6) comprises a limiting ring (601), a first clamping ring (602), a blocking ring (603), a second clamping ring (604), a limiting piece (605), a fixed rod (606), a reset spring (607), a clamping piece (608) and an arc-shaped clamping block (609), the bottom of the body (1) is fixedly connected with a mounting ring (7), the lower side of the mounting ring (7) is provided with an elastic ring (8), and the mounting ring (7) and the elastic ring (8) are provided with a mounting assembly (9).

2. A hand-held combustible gas detection instrument according to claim 1, wherein The bottom inner side of the limiting ring (601) is welded with the first clamping ring (602), the limiting ring (601) is limitingly and rotatably connected with the outer wall of the fixed port (2) through the first clamping ring (602), the inner side of the limiting ring (601) is provided with an internal thread, and the limiting ring (601) is rotatably connected with the end of the catheter (4) through the internal thread.

3. The hand-held combustible gas detection instrument of claim 1, wherein, The top of the limiting ring (601) is provided with the blocking ring (603), the blocking ring (603) is welded to the outer wall of the end of the catheter (4), the bottom of the blocking ring (603) is welded with the second clamping ring (604), and the blocking ring (603) is clampedly connected with the top of the limiting ring (601) through the second clamping ring (604).

4. The hand-held combustible gas detection instrument of claim 1, wherein, The four sides of the inner side of the blocking ring (603) are provided with the limiting piece (605), one end of the limiting piece (605) penetrates through the fixed rod (606), the one side of the end of the limiting piece (605) is provided with the reset spring (607), and the reset spring (607) is arranged on the outer side of the fixed rod (606).

5. The hand-held combustible gas detection instrument of claim 1, wherein, One end of the limiting piece (605) penetrates through the blocking ring (603) and is welded with the clamping piece (608), the inner side bottom of the clamping piece (608) is welded with the arc-shaped clamping block (609), and the clamping piece (608) is clampedly connected with the outer wall of the limiting ring (601) through the arc-shaped clamping block (609).

6. The hand-held combustible gas detection instrument of claim 1, wherein, The mounting assembly (9) comprises a first sleeve ring (901), a second sleeve ring (902), a fixed connecting piece (903), a rotating piece (904) and a mounting plate (905), the first sleeve ring (901) is arranged on the outer side of the mounting ring (7), and the lower side of the first sleeve ring (901) is provided with the second sleeve ring (902).

7. A hand-held combustible gas detection instrument according to claim 6, wherein The second sleeve ring (902) is arranged on the outer side of the elastic ring (8), the two side surfaces of the second sleeve ring (902) are welded with the fixed connecting piece (903), and the upper side of the fixed connecting piece (903) is rotatably connected with the rotating piece (904).

8. The hand-held combustible gas detection instrument of claim 6, wherein, The fixed connecting piece (903) and the rotating piece (904) are clampedly connected with the outer wall of the first sleeve ring (901), the outer wall of the rotating piece (904) is welded with the mounting plate (905), and the mounting plates (905) are fixedly connected through bolts.

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