Explosion-proof gas analyzer

Abstract

The utility model discloses an explosion-proof type gas analyzer, which relates to the technical field of gas analyzers and comprises an analyzer explosion-proof shell and a fixing frame, one side of the analyzer explosion-proof shell is provided with an access hole, and the fixing frame is fixedly arranged on the outer side of the access hole. A cover plate is arranged on the side, away from the analyzer explosion-proof shell, of the fixing frame in an abutting mode, a plurality of through holes are formed in the surface of the cover plate in an annular array mode, threaded rods are movably inserted into the multiple through holes, one ends of the multiple threaded rods are fixedly connected with the side wall of the fixing frame, and the other ends of the multiple threaded rods are fixedly connected with the side wall of the analyzer explosion-proof shell. A sliding groove is formed in the side, away from the fixing frame, of the cover plate, a sliding block is arranged in the sliding groove in a sliding mode, an arc-shaped plate is fixedly arranged on the outer side wall of the sliding block, a thread is formed in the inner wall of the arc-shaped plate, and the thread on the inner wall of the arc-shaped plate is connected with the thread on the outer wall of the corresponding threaded rod in a clamped mode. According to the utility model, the explosion-proof housing can be opened in a time-saving and labor-saving manner, and internal elements of the explosion-proof housing can be conveniently maintained.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas analyzer technical field, concretely relates to an explosion -proof gas analyzer. BACKGROUND

[0002] The gas detection instrument is a kind of gas leakage concentration detection instrument, mainly utilize gas sensor to detect the gas species existing in environment, and gas sensor is the sensor for detecting the composition and content of gas.

[0003] The explosion -proof shell and cover plate of the conventional explosion -proof gas analyzer are connected by more bolts, so when the inside is maintained and repaired, it needs to go through complicated disassembly steps, so more time is wasted. UTILITY MODEL CONTENT

[0004] In view of the above problems of the existing explosion -proof gas analyzer, the utility model is provided.

[0005] Therefore, the utility model aims at providing an explosion -proof gas analyzer, solve the problem that the explosion -proof shell and cover plate of the explosion -proof gas analyzer in prior art are connected by more bolts, so when the inside is maintained and repaired, it needs to go through complicated disassembly steps, so more time is wasted.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] An explosion -proof gas analyzer, including analyzer explosion -proof shell and fixed frame, the side of analyzer explosion -proof shell is equipped with the access hole, the fixed frame is fixedly arranged in the outside of access hole, the side of fixed frame away from analyzer explosion -proof shell is arranged with the cover plate, the surface of cover plate is arranged with the multiple through holes in annular array, the inside of multiple through holes is movably inserted with threaded rod, the one end of multiple threaded rods is fixedly connected with the side wall of fixed frame, the side of cover plate away from fixed frame is equipped with the sliding slot, the inside of sliding slot is slidably provided with sliding block, the outer side wall of sliding block is fixedly provided with arc plate, the inner wall of arc plate is equipped with screw thread, the screw thread of arc plate inner wall and the screw thread of corresponding threaded rod outer wall are connected, the side of cover plate away from fixed frame is provided with the limit ring, the side of limit ring is provided with the first limiting mechanism for limiting multiple arc plates, the outer wall of fixed frame is provided with the second limiting mechanism for limiting the movement of limit ring.

[0008] Preferably, the first limiting mechanism includes a triangular plate, and multiple triangular plates are fixedly arranged on the side of corresponding arc plates away from the threaded rod.

[0009] Preferably, the second limiting mechanism comprises a first connecting block and a second connecting block, the first connecting block is fixedly arranged on the side wall of the limiting ring, the second connecting block is fixedly arranged on the outer wall of the fixed frame, one side of the first connecting block close to the second connecting block is fixedly provided with a plug rod, the middle part of the second connecting block is provided with a plug hole, one end of the plug rod penetrates through the plug hole, the inner part of the end of the plug rod away from the limiting ring is provided with a cavity, the inner part of the cavity is slidably provided with a movable block, one side of the movable block is fixedly provided with a stop block, one end of the stop block extends to the outer side of the cavity and abuts against the side of the second connecting block away from the first connecting block.

[0010] Preferably, the inner part of the sliding groove is fixedly provided with a sliding rod, and the sliding block is movably sleeved with the sliding rod.

[0011] Preferably, the rod wall of the sliding rod is movably sleeved with a first spring, and the two ends of the first spring are fixedly connected with the inner wall of the sliding groove on the side close to the threaded rod.

[0012] Preferably, the side of the movable block away from the clamping block is fixedly provided with a second spring, and the other end of the second spring is fixedly connected with the inner wall of the cavity.

[0013] Preferably, the side wall of the explosion-proof shell of the analyzer is provided with a touch screen provided with a 10MM thick tempered glass.

[0014] In the above technical solution, the technical effects and advantages of the utility model are provided.

[0015] The utility model discloses, push the stop block into the inner part of the cavity, i.e. the limiting of the plug rod is removed, the plug rod is extracted from the second connecting block, i.e. the limiting of the limiting ring and the cover plate is separated, i.e. the limiting of the triangular plate is removed, i.e. the limiting of the multiple arc-shaped plates is removed, at this time, multiple first springs push the corresponding sliding block reset, i.e. multiple arc-shaped plates move away from the square of the threaded rod, i.e. the limiting of multiple threaded rods is removed, i.e. the cover plate and the fixed frame can be separated, i.e. the element inside the explosion-proof shell of the analyzer is convenient to maintain and repair. ACCURATE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments or prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained according to these drawings for those skilled in the art.

[0017] Figure 1 The utility model provides a kind of structure diagram of explosion-proof gas analyzer;

[0018] Figure 2 For Figure 1The structure of the middle part A is enlarged and shown schematically;

[0019] Figure 3 For Figure 1 The structure of the middle part B is enlarged and shown schematically;

[0020] Figure 4 For Figure 1 The connecting structure of the middle arc-shaped plate and the triangular plate is shown in a perspective view.

[0021] Explanation of reference numerals:

[0022] 1, explosion-proof shell of analyzer; 2, fixed frame; 3, cover plate; 4, threaded rod; 5, limiting ring; 6, first connecting block; 7, insertion rod; 8, second connecting block; 9, movable block; 10, stop block; 11, second spring; 12, arc-shaped plate; 13, triangular plate; 14, sliding block; 15, sliding rod; 16, first spring. DETAILED DESCRIPTION

[0023] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.

[0024] The utility model discloses an explosion -proof gas analyzer.

[0025] With reference to Figures 1-4 An explosion -proof gas analyzer, including analyzer explosion -proof shell 1 and fixed frame 2, the one side of analyzer explosion -proof shell 1 is seted up and is set up to overhaul the mouth, the lateral wall of analyzer explosion -proof shell 1 is provided with the touch -sensitive screen of being installed 10MM thick toughened glass, can control analyzer, fixed frame 2 is fixedly arranged in the outside of overhaul mouth, the side of fixed frame 2 away from analyzer explosion -proof shell 1 is provided with cover plate 3, the surface of cover plate 3 is set up and is set up with multiple through -holes in annular array distribution, the inside of multiple through -holes all movably inserts and is connected with threaded rod 4, and the one end of multiple threaded rods 4 all is fixedly connected with the lateral wall of fixed frame 2, and the side of cover plate 3 away from fixed frame 2 is set up with sliding slot, and the inside of sliding slot is slidably provided with sliding block 14, and the inside of sliding slot is fixedly provided with sliding rod 15, and sliding block 14 and sliding rod 15 movably sleeve joint, so that sliding block 14 can stably slide, and the rod wall of sliding rod 15 movably sleeve joint has first spring 16, and the both ends of first spring 16 are fixedly connected with the inner wall of corresponding sliding block 14 one side sliding slot close to threaded rod 4, and the outer side wall of sliding block 14 is fixedly provided with arc-shaped plate 12, and the inner wall of arc-shaped plate 12 is set up with screw thread, and the screw thread of arc-shaped plate 12 inner wall and the screw thread of corresponding threaded rod 4 outer wall are connected, and the side of cover plate 3 away from fixed frame 2 is provided with limiting ring 5.

[0026] With reference to Figures 1-4The side of the limiting ring 5 is provided with a first limiting mechanism for limiting a plurality of arc-shaped plates 12, the first limiting mechanism comprises a plurality of triangular plates 13, the plurality of triangular plates 13 are fixedly arranged on the side, away from the threaded rod 4, of the corresponding arc-shaped plate 12, and a tapered groove is formed in the inner wall of the limiting ring 5, and the inclined surface of the tapered groove is in abutment with the inclined surface of the plurality of triangular plates 13.

[0027] With reference to Figures 1-4 The outer wall of the fixed frame 2 is provided with a second limiting mechanism for limiting the movement of the limiting ring 5, the second limiting mechanism comprises a first connecting block 6 and a second connecting block 8, the first connecting block 6 is fixedly arranged on the side wall of the limiting ring 5, the second connecting block 8 is fixedly arranged on the outer wall of the fixed frame 2, a plug rod 7 is fixedly arranged on the side of the first connecting block 6, close to the second connecting block 8, a plug hole is formed in the middle of the second connecting block 8, one end of the plug rod 7 penetrates through the plug hole, a cavity is formed in the end of the plug rod 7, away from the limiting ring 5, an active block 9 is slidably arranged in the cavity, a stop block 10 is fixedly arranged on the side of the active block 9, one end of the stop block 10 extends to the outside of the cavity and is in abutment with the side of the second connecting block 8, away from the first connecting block 6, a second spring 11 is fixedly arranged on the side of the active block 9, away from the stop block, and the other end of the second spring 11 is fixedly connected with the inner wall of the cavity, so that the active block 9 is conveniently reset.

[0028] In the utility model, when in use, the stop block 10 is pushed into the inside of the cavity, the limiting of the plug rod 7 is released, the plug rod 7 is pulled out of the second connecting block 8, the limiting ring 5 is separated from the cover plate 3, the limiting of the triangular plate 13 is released, the limiting of the plurality of arc-shaped plates 12 is released, the plurality of first springs 16 push the corresponding sliding blocks 14 to reset at this time, the plurality of arc-shaped plates 12 are moved away from the square of the threaded rod 4, the limiting of the plurality of threaded rods 4 is released, the cover plate 3 can be separated from the fixed frame 2, and the elements in the inside of the analysis instrument explosion-proof shell 1 are conveniently maintained and repaired.

[0029] The above only describes some exemplary embodiments of the utility model in a descriptive manner, without doubt, for ordinary skilled person in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the protection scope of the utility model claims.

Claims

1. An explosion-proof gas analyzer comprising an analyzer explosion-proof housing (1) and a fixing frame (2), characterized in that, The maintenance opening is formed in one side of the analyzer explosion-proof shell (1), the fixed frame (2) is fixedly arranged outside the maintenance opening, the fixed frame (2) is arranged in abutment with the cover plate (3) on the side away from the analyzer explosion-proof shell (1), a plurality of through holes are formed in the surface of the cover plate (3) in an annular array, a plurality of threaded rods (4) are movably inserted into the through holes, one end of each threaded rod (4) is fixedly connected with the side wall of the fixed frame (2), a sliding groove is formed in the side of the cover plate (3) away from the fixed frame (2), a sliding block (14) is slidably arranged in the sliding groove, an arc-shaped plate (12) is fixedly arranged on the outer side wall of the sliding block (14), a thread is formed in the inner wall of the arc-shaped plate (12), the thread in the inner wall of the arc-shaped plate (12) is in engagement with the thread on the outer wall of the corresponding threaded rod (4), a limiting ring (5) is arranged on the side of the cover plate (3) away from the fixed frame (2), a first limiting mechanism for limiting the plurality of arc-shaped plates (12) is arranged on one side of the limiting ring (5), and a second limiting mechanism for limiting the movement of the limiting ring (5) is arranged on the outer wall of the fixed frame (2).

2. The explosion-proof gas analyzer of claim 1, wherein, The first limiting mechanism comprises a plurality of triangular plates (13), the triangular plates (13) are fixedly arranged on the side of the corresponding arc-shaped plates (12) away from the threaded rods (4), a tapered groove is formed in the inner wall of the limiting ring (5), and the inclined surface of the tapered groove is in abutment with the inclined surface of each triangular plate (13).

3. The explosion-proof gas analyzer of claim 1, wherein, The second limiting mechanism comprises a first connecting block (6) and a second connecting block (8), the first connecting block (6) is fixedly arranged on the side wall of the limiting ring (5), the second connecting block (8) is fixedly arranged on the outer wall of the fixed frame (2), a plug rod (7) is fixedly arranged on the side of the first connecting block (6) close to the second connecting block (8), a plug hole is formed in the middle of the second connecting block (8), one end of the plug rod (7) penetrates through the plug hole, a cavity is formed in the end of the plug rod (7) away from the limiting ring (5), a movable block (9) is slidably arranged in the cavity, a stop block (10) is fixedly arranged on one side of the movable block (9), and one end of the stop block (10) extends to the outside of the cavity and is in abutment with the side of the second connecting block (8) away from the first connecting block (6).

4. The explosion-proof gas analyzer of claim 1, wherein, A sliding rod (15) is fixedly arranged in the sliding groove, and the sliding block (14) and the sliding rod (15) are movably sleeved.

5. The explosion-proof gas analyzer of claim 4, wherein, A first spring (16) is movably sleeved on the rod wall of the sliding rod (15), and the two ends of the first spring (16) are fixedly connected with the inner wall of the sliding groove on the side of the corresponding sliding block (14) close to the threaded rod (4).

6. The explosion-proof gas analyzer of claim 3, wherein, A second spring (11) is fixedly arranged on the side of the movable block (9) away from the stop block, and the other end of the second spring (11) is fixedly connected with the inner wall of the cavity.

7. The explosion-proof gas analyzer of claim 1, wherein, The side wall of the analyzer explosion-proof shell (1) is provided with a touch screen provided with a 10MM thick tempered glass.

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