Gas dust detection equipment with replaceable filter element

Abstract

The utility model relates to the technical field of dust detection, and discloses gas dust detection equipment with a replaceable filter element, which comprises a detection box, a gas inlet is fixedly connected to the middle of the left end of the detection box, and a plurality of baffles are fixedly connected to the left end and the right end of the inner wall of the gas inlet. A plurality of trapezoidal sliding blocks are slidably connected to the upper end and the lower end of the outer wall of the air inlet, a fixing sleeve is slidably connected to the top of each trapezoidal sliding block, a spring is slidably connected to the outer wall of each fixing sleeve, a sliding rod is slidably connected to the right end of each trapezoidal sliding block, and a fixing long strip is fixedly connected to the right end of each sliding rod. According to the utility model, a pressing block is pressed to drive a fixing plate to move backwards, a rotating rod III is extruded at the same time, a triangular sliding block is pushed to slide towards two inclined surfaces of a T-shaped sliding surface, and the triangular sliding block moves towards two sides to enable a fixing long strip to move towards two sides, so that the circular filter element can be quickly replaced when being blocked and damaged; and the effect of fixing the circular filter element more stably is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust detection technical field especially relates to gas dust detection equipment of replaceable filter core. BACKGROUND

[0002] Gas dust refers to solid small particles suspended in gaseous medium, the size, shape and density physical property of these particles are different, its source is extensive, including natural process and human activity, when the volcano erupts, a large amount of volcanic ash and rock debris solid particle matter can be spouted, these particle matters can be suspended in the atmosphere for a long time, diffuse to very far place along with air current, various construction activities on the construction site, earthwork excavation, concrete mixing and stone cutting can produce dust, and in order to detect urban atmospheric environment and indoor environment, gas dust detection equipment needs to be used, common gas dust detection equipment is laser dust instrument, based on light scattering principle, when laser beam irradiates to dust-containing airflow, dust particles make light beam produce scattering light, scattering light intensity and dust concentration are proportional, by measuring scattering light intensity, utilize the algorithm of precalibration to calculate dust concentration, but in the use process, filter core can intercept dust particles constantly, with the lapse of time, dust can be gradually accumulated in the surface and internal pore of filter core, make the ventilation hole of filter core narrow or even block, at this moment, filter core needs to be filtered.

[0003] The existing filter core replacement structure mainly comprises a filter core mounting cavity, a locking assembly and a screwing mechanism, the filter core mounting cavity is a space for accommodating the filter core, usually has a certain shape and size to adapt to the filter core of a specific model, is generally made of metal and high-strength plastic, has good sealing performance and corrosion resistance, can be installed in the shell of the filter, an inlet and outlet are arranged on the cavity for the filter core to enter and exit, the locking assembly is usually a sleeve structure with internal threads, is connected with a locking rod through threads, after the cover is closed, the locking sleeve is screwed to move along the locking rod, so as to compress the cover and achieve sealing, the screwing mechanism is a support component for screwing action, is rotationally connected with a mechanical arm, can rotate around an axis, other related mechanisms and components are usually installed on the rotating seat, but if the tightening force is too large during installation, the filter core shell may be deformed and the sealing ring may be damaged, which affects the sealing performance of the filter core, and if the tightening force is too small, the filter core may loosen during work, resulting in poor filtering effect. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides gas dust detection equipment with replaceable filter core, aiming at improving the problem of poor filtering effect caused by too large or too small tightening force during installation in the prior art.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: the replaceable filter core's gas dust detection equipment, including the detection box, the left -hand middle part of detection box is fixedly connected with the air inlet, the inner wall left and right of air inlet is all fixedly connected with a plurality of baffle, the outer wall upper and lower end of air inlet is all slidingly connected with a plurality of trapezoidal slide block, the top of trapezoidal slide block is slidingly connected with fixed sleeve, the outer wall of fixed sleeve is slidingly connected with spring, the right -hand end of trapezoidal slide block is slidingly connected with sliding rod, the right -hand end of sliding rod is fixedly connected with fixed strip, the other end of fixed strip is fixedly connected with triangular slide block, the adjacent between a plurality of triangular slide blocks is all slidingly connected with T-shaped slide surface, the outer wall front side of triangular slide block is rotatably connected with the rotation bar three, the adjacent between a plurality of rotation bar three is all fixedly connected with fixed plate, the front side of fixed plate is fixedly connected with pressing block, the bottom of detection box is provided with lifting mechanism, and the lifting mechanism is used for adjusting height.

[0006] As further description of the above technical scheme:

[0007] The lifting mechanism includes a rotating rod one, the outer wall top of the rotating rod one is slidingly connected with the bottom middle part of the detection box, the outer wall lower end of the rotating rod one is fixedly connected with a stop block near the edge, the bottom of the stop block is fixedly connected with a threaded rod, the outer wall of the threaded rod is threadedly connected with a threaded sleeve, the inner thread of the threaded sleeve is provided, the outer wall of the threaded sleeve is rotatably connected with a plurality of rotating rods two, and the other end of the rotating rod two is rotatably connected with a rotating leg.

[0008] As further description of the above technical scheme:

[0009] The inner wall of the air inlet is slidingly connected with a circular filter core, and the right side of the circular filter core is slidingly connected with the front end of the baffle.

[0010] As further description of the above technical scheme:

[0011] The top of the fixed sleeve is fixedly connected with a protective cover, and the bottom of the protective cover is fixedly connected with the top of the air inlet.

[0012] As further description of the above technical scheme:

[0013] The left side of the detection box is fixedly connected with an external thread near the middle, and the outer wall of the external thread is threadedly connected with the inner wall of the air inlet.

[0014] As further description of the above technical scheme:

[0015] The top right end of the detection box is fixedly connected with a signal receiving line, the top of the detection box is fixedly connected with a handle near the middle, and the bottom of the detection box is slidingly connected with a supporting block.

[0016] As a further description of the above technical solutions:

[0017] The front side upper end of the detection box is fixedly connected with a display screen, the front right lower end of the detection box is fixedly connected with a knob, and the front left lower end of the detection box is fixedly connected with an alarm lamp.

[0018] As a further description of the above technical solutions:

[0019] The bottom of the rotating leg is fixedly connected with a supporting leg, and the bottom of the supporting leg is fixedly connected with a foot pad.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1. In the utility model, when the circular filter element needs to be replaced, the pressing block is pressed, at this time, the fixed plate moves backward, the fixed plate extrudes the rotating rod three, the triangular sliding block slides to the two inclined surfaces of the T-shaped sliding surface, at this time, the triangular sliding block moves to both sides and moves the fixed long strip to both sides, the trapezoidal sliding block is opened, at this time, the circular filter element can be taken out from the inside, when the circular filter element is blocked and damaged, the circular filter element can be quickly replaced, and the circular filter element is more stably fixed.

[0022] 2. In the utility model, when the detection equipment needs to be adjusted and lifted, the threaded rod is rotated, at this time, the threaded rod is rotated under the rotating rod, then the threaded sleeve is pushed downward, the rotating rod two connected with the threaded sleeve rotates, the rotating leg is inwards retracted and outwards expanded, the overall height changes, and the equipment can be adjusted in height under different environments. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the front side perspective view of the gas dust detection equipment with replaceable filter element provided by the utility model;

[0024] Figure 2 It is the left side perspective view of the gas dust detection equipment with replaceable filter element provided by the utility model;

[0025] Figure 3 It is the threaded rod partial structure split drawing of the gas dust detection equipment with replaceable filter element provided by the utility model;

[0026] Figure 4 It is the air inlet partial structure display drawing of the gas dust detection equipment with replaceable filter element provided by the utility model;

[0027] Figure 5 It is the trapezoidal sliding block partial structure split drawing of the gas dust detection equipment with replaceable filter element provided by the utility model.

[0028] Legend:

[0029] 1, detection box; 2, lifting mechanism; 201, rotating rod one; 202, stop block; 203, threaded rod; 204, threaded sleeve; 205, internal thread; 206, rotating rod two; 207, rotating leg; 3, air inlet; 4, baffle; 5, trapezoidal slider; 6, spring; 7, fixed sleeve; 8, sliding rod; 9, fixed long strip; 10, triangular slider; 11, T-shaped sliding surface; 12, rotating rod three; 13, fixed plate; 14, pressing block; 15, circular filter element; 16, protective cover; 17, external thread; 18, signal receiving line; 19, display screen; 20, knob; 21, alarm lamp; 22, supporting leg; 23, supporting block; 24, handle; 25, foot pad. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] Please refer to the drawings in the embodiments of the present application Figure 1 , the drawings in the embodiments of the present application Figure 4 and the drawings in the embodiments of the present application Figure 5 , the present application provides an embodiment: a gas dust detection device with replaceable filter element, which comprises a detection box 1, the left end of the detection box 1 is fixedly connected with an air inlet 3, gas can enter the detection through the air inlet 3, the inner wall of the air inlet 3 is fixedly connected with a plurality of baffles 4 on the left and right ends, the outer wall of the air inlet 3 is slidably connected with a plurality of trapezoidal sliders 5 on the upper and lower ends, which can be buckled, the top of the trapezoidal slider 5 is slidably connected with a fixed sleeve 7, the outer wall of the fixed sleeve 7 is slidably connected with a spring 6, so that the trapezoidal slider 5 can be reset, the right end of the trapezoidal slider 5 is slidably connected with a sliding rod 8, the right end of the sliding rod 8 is fixedly connected with a fixed long strip 9, which plays a fixing role, the other end of the fixed long strip 9 is fixedly connected with a triangular slider 10, the adjacent between a plurality of triangular sliders 10 is slidably connected with a T-shaped sliding surface 11, the triangular slider 10 can slide on the T-shaped sliding surface 11, the outer wall of the triangular slider 10 is rotatably connected with a rotating rod three 12, a plurality of rotating rods three 12 are fixedly connected with a fixed plate 13 between adjacent, which plays a role of fixed support, the front side of the fixed plate 13 is fixedly connected with a pressing block 14, the bottom of the detection box 1 is provided with a lifting mechanism 2, the lifting mechanism 2 is used for adjusting the height.

[0032] Please refer to the drawings in the embodiments of the present application Figure 1 , the drawings in the embodiments of the present application Figure 2 and the drawings in the embodiments of the present application Figure 3The lifting mechanism 2 comprises a rotating rod 201, the outer wall top of the rotating rod 201 is slidingly connected with the middle of the bottom of the detection box 1, so that the rotating rod 201 can rotate, the outer wall lower end of the rotating rod 201 is fixedly connected with a stop block 202 close to the edge, the bottom of the stop block 202 is fixedly connected with a threaded rod 203, so that the threaded rod 203 can rotate out of the threaded sleeve 204, the outer wall of the threaded rod 203 is threadedly connected with the threaded sleeve 204, the inner thread 205 is formed in the threaded sleeve 204, and a plurality of rotating rods 206 are rotatably connected to the outer wall of the threaded sleeve 204, so that the rotating rods 206 can be rotated to lift, and the other end of the rotating rod 206 is rotatably connected with a rotating leg 207.

[0033] Please refer to the accompanying drawings Figure 1 and the accompanying drawings Figure 4 The inner wall of the air inlet 3 is slidingly connected with a circular filter element 15, the right side of the circular filter element 15 is slidingly connected with the front end of the baffle 4, the circular filter element 15 can be clamped in the air inlet 3, the top of the fixing sleeve 7 is fixedly connected with a protective cover 16, the bottom of the protective cover 16 is fixedly connected with the top of the air inlet 3, and the T-shaped sliding surface 11 is protected, the left side of the detection box 1 is fixedly connected with an external thread 17 close to the middle, and the external thread 17 is threadedly connected with the inner wall of the air inlet 3, so that the stability of the whole is improved.

[0034] Please refer to the accompanying drawings Figure 1 , the accompanying drawings Figure 2 and the accompanying drawings Figure 3 The top right end of the detection box 1 is fixedly connected with a signal receiving line 18, the top of the detection box 1 is fixedly connected with a handle 24 close to the middle, so that the user can carry it conveniently, the bottom of the detection box 1 is slidingly connected with a supporting block 23, the front side upper end of the detection box 1 is fixedly connected with a display screen 19, so that the degree can be displayed, the front right lower end of the detection box 1 is fixedly connected with a rotary knob 20, and the front left lower end of the detection box 1 is fixedly connected with an alarm lamp 21, so that the operator can be reminded when the equipment fails, the bottom of the rotating leg 207 is fixedly connected with a supporting leg 22, the bottom of the supporting leg 22 is fixedly connected with a foot pad 25, and the stability of the whole is improved.

[0035] Working principle: when the circular filter 15 needs to be replaced, press the pressing block 14, at this time the pressing block 14 moves backward with the fixed plate 13, at the same time the fixed plate 13 extrudes the rotating rod three 12, at this time the rotating rod three 12 pushes the triangular sliding block 10 to slide to the two inclined surfaces of the T-shaped sliding surface 11, at this time the triangular sliding block 10 moves to both sides to move the fixed long strip 9 to both sides, then the fixed long strip 9 pushes the trapezoidal sliding block 5 outward with the sliding rod 8, at this time the sliding rod 8 extrudes the spring 6 to deform, at the same time the trapezoidal sliding block 5 is opened, at this time the circular filter 15 can be taken out from the inside, then the spring 6 restores, at the same time the trapezoidal sliding block 5 is pushed back, the new circular filter 15 is put inside, at this time the circular filter 15 pushes the trapezoidal sliding block 5 to open to both sides, when put in, the spring 6 restores to push the trapezoidal sliding block 5 back, at this time the equipment can be operated, when the circular filter 15 is blocked and damaged, it can be quickly replaced, and the effect of more stably fixing the circular filter 15 is realized;

[0036] When the detection equipment needs to be adjusted and lifted, the threaded rod 203 is rotated, at this time the threaded rod 203 is rotated, at this time the threaded rod 203 is rotated under the rotating rod one 201, then the threaded sleeve 204 is pushed downward, at the same time the rotating rod two 206 connected with the threaded sleeve 204 will be rotated, the rotating leg 207 will be retracted inward and expanded outward, so that the overall height is changed, the effect that the equipment can be adjusted in height under different environments is realized.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A gas dust detection device with replaceable filter cartridge, comprising a detection box (1), characterized in that: The left end of the detection box (1) is fixedly connected with an air inlet (3), the inner wall of the air inlet (3) is fixedly connected with a plurality of baffles (4) on the left and right sides, the outer wall of the air inlet (3) is slidably connected with a plurality of trapezoidal sliding blocks (5) on the upper and lower sides, the top of the trapezoidal sliding block (5) is slidably connected with a fixed sleeve (7), the outer wall of the fixed sleeve (7) is slidably connected with a spring (6), the right end of the trapezoidal sliding block (5) is slidably connected with a sliding rod (8), the right end of the sliding rod (8) is fixedly connected with a fixed strip (9), the other end of the fixed strip (9) is fixedly connected with a triangular sliding block (10), a plurality of triangular sliding blocks (10) are slidably connected with T-shaped sliding surfaces (11) between adjacent ones, the outer wall of the triangular sliding block (10) is rotatably connected with a rotating rod three (12), a plurality of rotating rod threes (12) are fixedly connected with a fixed plate (13) between adjacent ones, the front side of the fixed plate (13) is fixedly connected with a pressing block (14), the bottom of the detection box (1) is provided with a lifting mechanism (2), and the lifting mechanism (2) is used for adjusting the height.

2. The replaceable-cartridge gas dust detection apparatus according to claim 1, characterized by: The lifting mechanism (2) comprises a rotating rod one (201), the outer wall top of the rotating rod one (201) is slidably connected with the bottom middle of the detection box (1), the outer wall lower end of the rotating rod one (201) is fixedly connected with a stop block (202) near the edge, the bottom of the stop block (202) is fixedly connected with a threaded rod (203), the outer wall of the threaded rod (203) is threadedly connected with a threaded sleeve (204), the inside of the threaded sleeve (204) is provided with an internal thread (205), and the outer wall of the threaded sleeve (204) is rotatably connected with a plurality of rotating rod twos (206). The other end of the rotating rod two (206) is rotatably connected with a rotating leg (207).

3. The replaceable-cartridge gas dust detection apparatus of claim 1, wherein: The inner wall of the air inlet (3) is slidably connected with a circular filter element (15), and the right side of the circular filter element (15) is slidably connected with the front end of the baffle (4).

4. The replaceable-cartridge gas dust detection apparatus of claim 1, wherein: The top of the fixed sleeve (7) is fixedly connected with a protective cover (16), and the bottom of the protective cover (16) is fixedly connected with the top of the air inlet (3).

5. The replaceable-cartridge gas dust detection apparatus of claim 1, wherein: The left side of the detection box (1) is fixedly connected with an external thread (17) near the middle, and the outer wall of the external thread (17) is threadedly connected with the inner wall of the air inlet (3).

6. The replaceable-cartridge gas dust detection apparatus of claim 1, wherein: The top right end of the detection box (1) is fixedly connected with a signal receiving line (18), the top of the detection box (1) is fixedly connected with a handle (24) near the middle, and the bottom of the detection box (1) is slidably connected with a supporting block (23).

7. The replaceable-cartridge gas dust detection apparatus of claim 1, wherein: The front side of the detection box (1) is fixedly connected with a display screen (19), the front right lower end of the detection box (1) is fixedly connected with a knob (20), and the front left lower end of the detection box (1) is fixedly connected with an alarm lamp (21).

8. The replaceable-cartridge gas dust detection apparatus of claim 2, wherein: The bottom of the rotating leg (207) is fixedly connected with a supporting leg (22), and the bottom of the supporting leg (22) is fixedly connected with a foot pad (25).

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