Gas filtering equipment for gas detection

Abstract

The utility model relates to the technical field of gas filtration, in particular to gas filtration equipment for gas detection, which comprises a box body, the box body comprises a filter box, the surface of the filter box is fixedly connected with a gas inlet, the surface of the filter box is fixedly connected with a gas outlet, and the inner side of the filter box is movably connected with a filter plate; and a replacement mechanism is arranged on the surface of the filter box. Through the arrangement of the positioning plate, the installation of the filter plate in the filter box can be limited, the installation of the filter plate can be more accurate, the movable rod moves on the inner side of the movable groove and is matched with the elastic property of the spring, so that the movable rod can drive the insertion rod and the insertion groove to be inserted and separated; the connecting plate can be further fixed and unfixed, and the filter plate can be conveniently disassembled and assembled, so that the filter plate is convenient to replace, the filtering effect and quality of the filter plate can be guaranteed, and the downtime can be shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas filter technical field, concretely is a kind of gas filter equipment for gas detection. BACKGROUND

[0002] Gas detection refers to the qualitative and quantitative analysis of harmful gases in the atmosphere by specific instruments and equipment, which can timely find pollution sources, understand the types, concentration and distribution of pollutants, provide strong data support for pollution source control, and provide scientific basis for formulating targeted control measures. When detecting gas, some impurities or other interfering substances may exist in the gas, which may affect the accuracy and reliability of gas detection. Therefore, gas filter equipment is usually used to filter gas. Gas filter equipment is a device for removing impurities, pollutants or harmful substances in gas. It usually uses physical, chemical or biological methods to filter gas to improve the quality and purity of gas. By filtering equipment, interfering substances in gas can be removed, and the detection result can be more accurate. At the same time, the filtered gas is more pure, so that the detection instrument can more sensitively detect the presence of target gas, thereby improving the sensitivity and accuracy of detection.

[0003] In the prior art, when filtering gas by gas filter equipment, in order to filter out particulate impurities in gas, a filter plate is usually arranged in the filter equipment. Since the filter plate is used for a long time, the intercepted particulate impurities will adhere to the surface of the filter plate and accumulate on the surface of the filter plate. The filter plate cannot be replaced and treated in time, so that the particulate impurities will easily cause the filter holes of the filter plate to be blocked after accumulation, thereby affecting the entry and filtering quality of gas. Therefore, in order to solve the above problems, a gas filter equipment for gas detection is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of gas filter equipment for gas detection, to solve the problem that filter plate is mentioned in the above background art due to long-term use, the particulate impurities that are intercepted adhere to the surface of filter plate, and will occur on the surface of filter plate Accumulation, the filter plate cannot be replaced and treated in time, so that the particulate impurities will easily cause the filter holes of the filter plate to be blocked after accumulation, thereby affecting the entry and filtering quality of gas.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of gas filter equipment for gas detection, including box, the box includes filter box, the surface of the filter box is fixedly connected with air inlet, the surface of the filter box is fixedly connected with air outlet, the inner side of the filter box is movably connected with filter plate;

[0006] The surface of the filter box is provided with a replacement mechanism, the replacement mechanism comprises a positioning plate, the positioning plate is fixedly connected to the inner wall of the filter box, the top end of the filter plate is fixedly connected with a connecting plate, the surface of the filter plate is fixedly connected with a sealing gasket, the inner side of the filter box is provided with a movable groove, the inner wall of the movable groove is fixedly connected with a spring, the surface of the spring is fixedly connected with a movable rod, the surface of the movable rod is fixedly connected with a first fixed block, the inner surface of the first fixed block is fixedly connected with a plug rod, and the surface of the connecting plate is provided with a plug groove.

[0007] The inner side of the filter box is provided with a cleaning mechanism, the cleaning mechanism comprises a second fixed block, the second fixed block is fixedly connected to the bottom end of the filter box, the inner side of the second fixed block is movably connected with a rotating rod, the surface of the rotating rod is fixedly connected with a first tapered tooth, the surface of the second fixed block is fixedly installed with a motor, the inner side of the filter box is movably connected with a reciprocating screw rod, the bottom end of the reciprocating screw rod is fixedly connected with a second tapered tooth, the surface of the reciprocating screw rod is movably connected with a connecting block, the surface of the connecting block is fixedly connected with a brush plate, the inner wall of the filter box is fixedly connected with a limiting rod, and the bottom end of the filter box is fixedly connected with a impurity discharge port.

[0008] Preferably, the filter plate moves in the inner side of the positioning plate, one end of the spring is fixedly connected with the movable groove, and the other end of the spring is fixedly connected with the movable rod.

[0009] Preferably, the movable rod moves in the inner side of the movable groove, the first fixed block is fixedly connected to one end of the movable rod away from the spring, and the plug groove is provided in the inner side of the connecting plate in two groups.

[0010] Preferably, the first tapered tooth is fixedly connected with the rotating rod in two groups, the rotating rod is fixedly connected with the output end of the motor, and the reciprocating screw rod moves in the inner side of the filter box in two groups.

[0011] Preferably, the connecting block is correspondingly connected with the reciprocating screw rod in two groups, the brush plate is correspondingly connected with the connecting block in two groups, and the connecting block is movably connected with the limiting rod.

[0012] Compared with the prior art, the filter plate can be fixed and unfixed to the connecting plate through the cooperation of the movable rod, the spring and the plug rod, so that the filter plate can be conveniently disassembled and assembled, the replacement operation of the filter plate is convenient, the filtering effect and quality of the filter plate can be guaranteed, and the downtime can be reduced.

[0013] 1. The positioning plate can limit the installation of the filter plate in the filter box, the installation of the filter plate is more accurate, the movable rod moves in the movable groove, and the elasticity of the spring is utilized, so that the movable rod can drive the plug rod and the plug groove to be inserted and separated, the connecting plate can be fixed and unfixed, the filter plate can be conveniently disassembled and assembled, the replacement operation of the filter plate is convenient, the filtering effect and quality of the filter plate can be guaranteed, and the downtime can be reduced.

[0014] 2. The rotating rod drives the first conical tooth to rotate, which in turn drives the second conical tooth to rotate the reciprocating screw. This allows the connecting block to move the brush plate up and down inside the filter box. During the movement of the brush plate, it will rub against the surface of the filter plate, thereby cleaning the surface of the filter plate. This reduces the adhesion and accumulation of particulate impurities on the filter plate, thus reducing the frequency of filter plate replacement and extending the service life of the filter plate. Attached Figure Description

[0015] Figure 1 This is a front view schematic diagram of the structure of this utility model;

[0016] Figure 2 This is an exploded cross-sectional view of the structure of this utility model.

[0017] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A;

[0018] Figure 4 This is an exploded side view sectional view of the structure of this utility model;

[0019] Figure 5 This is an exploded cross-sectional view of the rotating rod and brush plate of this utility model from below.

[0020] In the diagram: 1. Filter box; 11. Air inlet; 12. Air outlet; 13. Filter plate; 2. Positioning plate; 21. Connecting plate; 22. Sealing gasket; 23. Movable groove; 24. Spring; 25. Movable rod; 26. First fixing block; 27. Insert rod; 28. Slot; 3. Second fixing block; 31. Rotating rod; 32. First conical tooth; 33. Motor; 34. Reciprocating lead screw; 35. Second conical tooth; 36. Connecting block; 37. Brush plate; 38. Limiting rod; 39. Impurity discharge port. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-5 One embodiment provided by this utility model:

[0023] The motor 33 used in this application is a product that can be purchased directly from the market. Its principle and connection method are existing technologies well known to those skilled in the art, so they will not be described in detail here.

[0024] The utility model provides a gas filter equipment for gas detection, including box, the surface fixed connection of filter box 1 has air inlet 11, the surface fixed connection of filter box 1 has air outlet 12, the inner side swing joint of filter box 1 has filter plate 13, the setting of filter plate 13 is two groups, and the aperture of left side filter plate 13 is greater than the aperture of right side filter plate 13, can realize the double filtration to gas, and filtered gas can be discharged through air outlet 12,

[0025] The surface of filter box 1 is provided with a replacement mechanism, the replacement mechanism includes a positioning plate 2 fixedly connected to the inner wall of the filter box 1, a connecting plate 21 fixedly connected to the top end of the filter plate 13, a gasket 22 fixedly connected to the surface of the filter plate 13, an active slot 23 formed in the inner side of the filter box 1, a spring 24 fixedly connected to the inner wall of the active slot 23, an active rod 25 fixedly connected to the surface of the spring 24, a first fixing block 26 fixedly connected to the surface of the active rod 25, an insertion rod 27 fixedly connected to the inner surface of the first fixing block 26, and an insertion slot 28 formed in the surface of the connecting plate 21. The installation of the filter plate 13 in the filter box 1 can be sealed by the gasket 22, and gas leakage can be avoided.

[0026] Further, the filter plate 13 is movable in the inner side of the positioning plate 2, one end of the spring 24 is fixedly connected to the active slot 23, and the other end of the spring 24 is fixedly connected to the active rod 25. The active rod 25 can be reset by the spring 24, and the insertion rod 27 and the insertion slot 28 can be inserted and separated, so that the filter plate 13 can be fixed more conveniently.

[0027] Further, the active rod 25 is movable in the inner side of the active slot 23, the first fixing block 26 is fixedly connected to the end of the active rod 25 away from the spring 24, and the insertion slot 28 is formed in the inner side of the connecting plate 21 in two groups. The insertion rod 27 and the insertion slot 28 can be inserted and separated to fix and unfixed the connecting plate 21, and the filter plate 13 can be disassembled and assembled, so that the filter plate 13 can be replaced, and the filtering quality of the filter plate 13 can be guaranteed.

[0028] Further, the inner side of the filter box 1 is provided with a cleaning mechanism, the cleaning mechanism comprises a second fixed block 3, the second fixed block 3 is fixedly connected to the bottom end of the filter box 1, the inner side of the second fixed block 3 is movably connected with a rotating rod 31, the surface of the rotating rod 31 is fixedly connected with a first tapered tooth 32, the surface of the second fixed block 3 is fixedly installed with a motor 33, the inner side of the filter box 1 is movably connected with a reciprocating lead screw 34, the bottom end of the reciprocating lead screw 34 is fixedly connected with a second tapered tooth 35, the surface of the reciprocating lead screw 34 is movably connected with a connecting block 36, the surface of the connecting block 36 is fixedly connected with a brush plate 37, the inner wall of the filter box 1 is fixedly connected with a limiting rod 38, the bottom end of the filter box 1 is fixedly connected with a impurity discharge port 39, through the opening of the impurity discharge port 39, the swept particle impurities and the like can be discharged.

[0029] Further, the first tapered tooth 32 is fixedly connected with the rotating rod 31, the rotating rod 31 is fixedly connected with the output end of the motor 33, the reciprocating lead screw 34 is movably arranged on the inner side of the filter box 1, through the rotation of the reciprocating lead screw 34, the connecting block 36 can drive the brush plate 37 to move up and down, and then the surface friction between the brush plate 37 and the filter plate 13 can realize the cleaning of the filter plate 13, which can avoid the accumulation of particle impurities on the filter plate 13, and then can avoid the blockage of the filter plate 13, and can reduce the replacement frequency of the filter plate 13.

[0030] Further, the connecting block 36 is movably connected with the reciprocating lead screw 34, the brush plate 37 is movably connected with the connecting block 36, the connecting block 36 is movably connected with the limiting rod 38, through the arrangement of the limiting rod 38, the connecting block 36 can be limited, which can avoid the deviation of the connecting block 36 under the action of the reciprocating lead screw 34, and facilitate the stable vertical movement of the connecting block 36 driving the brush plate 37.

[0031] Working principle: when in use, the first fixed block 26 is pulled, the movable rod 25 can move in the inner side of the movable groove 23 under the action of the first fixed block 26, at this time the spring 24 is in a stretched state, the plug rod 27 is moved and separated from the plug groove 28, and then the fixing of the connecting plate 21 is released, the filter plate 13 can be pulled out from the inner side of the filter box 1 and the positioning plate 2, and then the filter plate 13 can be replaced; when the replaced filter plate 13 needs to be installed, the filter plate 13 is inserted into the inner side of the filter box 1 and the positioning plate 2, and then the first fixed block 26 is loosened, the movable rod 25 is reset under the rebound action of the spring 24, and then the plug rod 27 is reset and inserted into the plug groove 28, and then the fixing of the connecting plate 21 is realized, at this time the sealing gasket 22 is tightly attached to the surface of the filter box 1 to realize sealing;

[0032] The motor 33 is electrically connected by an external power source, and a staff member starts the motor 33 by pressing a switch, the motor 33 is driven to rotate the rotating rod 31, the first conical gear 32 is rotated under the action of the rotating rod 31, and then the second conical gear 35 is rotated under the action of the motor 33 and drives the reciprocating screw rod 34 to rotate, the connecting block 36 is limited by the limiting rod 38 and is moved up and down under the action of the reciprocating screw rod 34, so that the brush plate 37 is moved and rubs the surface of the filter plate 13, the filter plate 13 can be cleaned, and the cleaned particles and impurities can be discharged by opening the discharge port 39.

[0033] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any person skilled in the art can implement the present application according to the drawings and the above; however, any equivalent changes, modifications and evolutions made by those skilled in the art within the scope of the technical scheme of the present application, using the above disclosed technical content, are equivalent embodiments of the present application; at the same time, any equivalent changes, modifications and evolutions made according to the essential technology of the present application to the above embodiments are still within the protection scope of the technical scheme of the present application.

Claims

1. A gas filtering device for gas detection, comprising a box body, the box body comprising a filtering box (1), the surface of the filtering box (1) is fixedly connected with an air inlet (11), the surface of the filtering box (1) is fixedly connected with an air outlet (12), the inner side of the filtering box (1) is movably connected with a filter plate (13); characterized in that The surface of the filtering box (1) is provided with a replacement mechanism, the replacement mechanism comprises a positioning plate (2), the positioning plate (2) is fixedly connected to the inner wall of the filtering box (1), the top end of the filter plate (13) is fixedly connected with a connecting plate (21), the surface of the filter plate (13) is fixedly connected with a sealing gasket (22), the inner side of the filtering box (1) is provided with a movable groove (23), the inner wall of the movable groove (23) is fixedly connected with a spring (24), the surface of the spring (24) is fixedly connected with a movable rod (25), the surface of the movable rod (25) is fixedly connected with a first fixed block (26), the inner surface of the first fixed block (26) is fixedly connected with a plug rod (27), the surface of the connecting plate (21) is provided with a plug groove (28); The inner side of the filtering box (1) is provided with a cleaning mechanism, the cleaning mechanism comprises a second fixed block (3), the second fixed block (3) is fixedly connected to the bottom end of the filtering box (1), the inner side of the second fixed block (3) is movably connected with a rotating rod (31), the surface of the rotating rod (31) is fixedly connected with a first tapered tooth (32), the surface of the second fixed block (3) is fixedly connected with a motor (33), the inner side of the filtering box (1) is movably connected with a reciprocating screw rod (34), the bottom end of the reciprocating screw rod (34) is fixedly connected with a second tapered tooth (35), the surface of the reciprocating screw rod (34) is movably connected with a connecting block (36), the surface of the connecting block (36) is fixedly connected with a brush plate (37), the inner wall of the filtering box (1) is fixedly connected with a limiting rod (38), the bottom end of the filtering box (1) is fixedly connected with a impurity discharge port (39).

2. The gas filtering apparatus for gas detection according to claim 1, wherein: The filter plate (13) is movably arranged in the inner side of the positioning plate (2), one end of the spring (24) is fixedly connected with the movable groove (23), the other end of the spring (24) is fixedly connected with the movable rod (25).

3. The gas filtering apparatus for gas detection according to claim 2, wherein: The movable rod (25) is movably arranged in the inner side of the movable groove (23), the first fixed block (26) is fixedly connected to one end of the movable rod (25) away from the spring (24), the plug groove (28) is formed in the inner side of the connecting plate (21) in two groups.

4. The gas filtering apparatus for gas detection according to claim 1, wherein: The first tapered tooth (32) is fixedly connected with the rotating rod (31) in two groups, the rotating rod (31) is fixedly connected with the output end of the motor (33), the reciprocating screw rod (34) is movably arranged in the inner side of the filtering box (1) in two groups.

5. The gas filtering apparatus for gas detection according to claim 4, wherein: The connecting block (36) is correspondingly connected with the reciprocating screw rod (34) in two groups, the brush plate (37) is correspondingly connected with the connecting block (36) in two groups, the connecting block (36) is movably connected with the limiting rod (38).

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