CN216791811U

CN216791811U - Smoke and dust tester with filtration

Info

Publication number: CN216791811U
Application number: CN202220095805.9U
Authority: CN
Inventors: 王媛; 杨树海; 陈丽伟; 孟瑶; 张钧晋
Original assignee: Hebei Xuanying Environmental Testing Service Co ltd
Current assignee: Hebei Xuanying Environmental Testing Service Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-06-21
Anticipated expiration: 2032-01-14

Abstract

The utility model relates to the technical field of smoke detection, and provides a smoke tester with a filtering structure, which comprises a detection box, wherein a display screen is fixedly mounted at the upper end of the detection box, an air outlet pipeline is fixedly connected at the left end of the detection box, an air inlet pipeline is fixedly connected at the right end of the detection box, a first limiting groove and a clamping groove are formed in the rear end of the detection box, a filtering device is slidably connected inside the first limiting groove, and a detection contact is fixedly mounted at the upper end inside the detection box. Through above-mentioned technical scheme, the problem that the filter among the prior art is difficult to dismantle the clearance has been solved.

Description

Smoke and dust tester with filtration

Technical Field

The utility model relates to the technical field of smoke detection, in particular to a smoke tester with a filtering structure.

Background

Soot is a solid particulate matter emitted from coal and industrial processes. The main components of the composite material are silicon dioxide, aluminum oxide, ferric oxide, calcium oxide, unburned carbon particles and the like. The atmospheric pollutants are various and can be divided into two types according to the shape, namely granular pollutants and harmful gases, smoke belongs to the granular pollutants, and solid particle aerosol formed in a metallurgical process or a chemical process is generally called smoke according to the habit of China; fly ash and black smoke from the combustion process.

Current smoke and dust tester, thereby can all be equipped with filter equipment on the tester for not influencing the test effect, thereby prevent that the smoke and dust granule from plugging up detection contact and influencing detection effect, but the tradition is that the direct mount is equipped with the filter in air intake pipeline and air outlet pipeline, uses the tester for a long time, and the filter can accumulate too much smoke and dust, because the filter is installed inside the pipeline to inconvenient dismantlement and clearance have increased and have dismantled the clearance time.

SUMMERY OF THE UTILITY MODEL

The utility model provides a smoke dust tester with a filtering structure, which solves the problem that a filtering plate is difficult to disassemble and clean.

The technical scheme of the utility model is as follows:

the utility model provides a smoke and dust tester with filtration, includes the detection case, detection case upper end fixed mounting has the display screen, detection case left end fixedly connected with goes out the tuber pipe way, detection case right-hand member fixedly connected with intake stack, first spacing groove and draw-in groove have been seted up to the detection case rear end, first spacing inslot portion sliding connection has filter equipment, the inside upper end fixed mounting of detection case has the detection contact.

As a further scheme of the utility model: one ends of the air inlet pipeline and the air outlet pipeline, which are far away from the detection box, are connected with threaded sealing covers through threads; during operation, the external air effectively isolated through the thread sealing cover enters the detection box, so that errors are reduced when detection is achieved.

As a further scheme of the utility model: the interior of the air inlet pipeline is fixedly connected with a motor through a connecting rod, and an output shaft end of the motor is fixedly connected with a fan; when the air-conditioning device works, the fan is driven to rotate by starting the motor, so that outside air enters the detection box.

As a further scheme of the utility model: the filtering device comprises a filtering plate, a supporting frame, a fixing plate, a knob switch, a connecting shaft, a gear, a rack, an L-shaped locking hook, a spring and a limiting rod, wherein the supporting frame is connected inside the first limiting groove in a sliding mode, the rear end of the supporting frame is fixedly connected with the fixing plate, and the rear end of the fixing plate is fixedly connected with a handle; when the filter plate works, the fixed plate is driven to move backwards by pulling the handle, so that the supporting frame is driven to move backwards, the supporting frame moves backwards to drive the filter plate to move backwards, and the purpose of disassembling the filter device is achieved.

As a further scheme of the utility model: a second limiting groove is formed in the supporting frame, and a filter plate is connected in the second limiting groove in a sliding manner; during operation, the filter plate slides from the second limiting groove, so that the purpose of replacing or cleaning the filter plate is achieved.

As a further scheme of the utility model: a cavity is formed in the fixing plate, a gear, a rack and an L-shaped latch hook are slidably connected to the inner wall of the cavity, a connecting shaft is rotatably connected to the inner wall of the cavity, the gear is fixedly connected to the circumferential surface of the connecting shaft, the gear is meshed with the rack, the L-shaped latch hook is fixedly connected to the front end of the rack, and a knob switch is fixedly connected to the rear end of the connecting shaft; during operation, the connecting shaft is driven to rotate by rotating the knob switch, so that the rack is driven to move, the rack moves to drive the L-shaped latch hook to move, and the L-shaped latch hook is disengaged from the clamping groove.

As a further scheme of the utility model: one end of the rack, which is far away from the L-shaped lock hook, is fixedly connected with a spring, and one end of the spring, which is far away from the rack, is fixedly connected with the inner wall of the cavity; during operation, the rack moves to deform the spring, and when the spring recovers deformation, the rack recovers to the initial position.

As a further scheme of the utility model: the detection case lower extreme fixedly connected with base, the base is the centrum form, the material of base is rubber, and the during operation is the centrum form through the base, makes base and workstation area of contact increase, and base material messenger rubber to increase the frictional force between base and the workstation, made the more stable that the detection case placed.

The working principle and the beneficial effects of the utility model are as follows:

according to the utility model, the filter plate is arranged at the opening of the pipeline through the threaded sealing cover, so that external smoke dust is isolated, the smoke dust is more accurately detected, the L-shaped latch hook is driven to move by rotating the knob switch, the L-shaped latch hook is disengaged from the clamping groove, the support frame is pulled out from the first limit position by pulling the handle, and the filter plate is pulled out from the upper part of the support frame, so that the aim of quickly disassembling the filter plate is fulfilled, the problem that the filter plate is difficult to disassemble and clean is solved, and the disassembling time is saved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial cross-sectional structure of the present invention;

FIG. 3 is a partially disassembled view of the present invention;

FIG. 4 is a schematic top view of a partially disassembled structure of the filtering device of the present invention;

FIG. 5 is a schematic view of a filter device according to the present invention in partial cross-section;

FIG. 6 is an enlarged view of portion A of FIG. 5 according to the present invention;

FIG. 7 is a partially disassembled sectional view of the filter device of the present invention;

FIG. 8 is an enlarged view of portion B of FIG. 7 according to the present invention.

In the figure: 1-a detection box, 2-a base, 3-an air outlet pipeline, 4-a thread sealing cover, 5-a display screen, 6-a first limit groove, 7-a support frame, 8-a filter plate, 9-a second limit groove, 10-a fixing plate, 11-a knob switch, 12-a gear, 13-a rack, 14-a spring, 15-a fan, 16-an air inlet pipeline, 17-a cavity, 18-an L-shaped latch hook, 19-a connecting shaft, 20-a clamping groove, 21-a detection contact, 22-a motor and 23-a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.

Example 1

As shown in fig. 1-7, this embodiment provides a smoke and dust tester with filtration, including detection case 1, detection case 1 upper end fixed mounting has display screen 5, and detection case 1 left end fixedly connected with goes out tuber pipe way 3, and detection case 1 right-hand member fixedly connected with intake stack 16, and first spacing groove 6 and draw-in groove 20 have been seted up to detection case 1 rear end, and the inside sliding connection of first spacing groove 6 has filter equipment, and detection case 1 inside upper end fixed mounting has detection contact 21.

In this embodiment, the air in the air inlet duct 16 is filtered by the filter device, so that the detection contact 21 is prevented from being blocked by dust, and the detected data is not standard.

Example 2

As shown in fig. 1 to fig. 3, based on the same concept as that of the above embodiment 1, the present embodiment further proposes that the air inlet duct 16 and the air outlet duct 3 are connected with the screw sealing cover 4 through threads at the ends far away from the detection box 1.

In this embodiment, get into detection case 1 inside through the effectual isolated outside air of thread sealing lid 4 to reduce the error when reaching the detection.

Example 3

As shown in fig. 2, based on the same concept as that of the above embodiment 1, the present embodiment further proposes that the inside of the air inlet duct 16 is fixedly connected with a motor 22 through a connecting rod, and an output shaft end of the motor 22 is fixedly connected with a fan 15.

In this embodiment, the motor 22 is started to drive the fan 15 to rotate, so as to allow outside air to enter the detection box 1.

Example 4

As shown in fig. 3 to 8, based on the same concept as that of the above embodiment 1, the present embodiment further proposes that the filtering device includes a filtering plate 8, a supporting frame 7, a fixing plate 10, a knob switch 11, a connecting shaft 19, a gear 12, a rack 13, an L-shaped latch hook 18, a spring 14 and a limiting rod, the supporting frame 7 is slidably connected inside the first limiting groove 6, the fixing plate 10 is fixedly connected to the rear end of the supporting frame 7, and a handle 23 is fixedly connected to the rear end of the fixing plate 10.

In this embodiment, the fixing plate 10 is driven to move backwards by pulling the handle 23, so as to drive the supporting frame 7 to move backwards, and the supporting frame 7 moves backwards to drive the filtering plate 8 to move backwards, thereby achieving the purpose of disassembling the filtering device.

Example 5

As shown in fig. 4 to 7, based on the same concept as that of the above embodiment 1, the present embodiment further proposes that a second limiting groove 9 is formed inside the supporting frame 7, and a filter plate 8 is slidably connected inside the second limiting groove 9.

In this embodiment, the filter plate 8 is slid from the inside of the second limiting groove 9, so that the filter plate 8 can be replaced or cleaned.

Example 6

As shown in fig. 5 to 8, based on the same concept as that of embodiment 1, the present embodiment further provides that a cavity 17 is formed inside the fixing plate 10, a gear 12, a rack 13 and an L-shaped latch hook 18 are slidably connected to an inner wall of the cavity 17, a connecting shaft 19 is rotatably connected to an inner wall of the cavity 17, the gear 12 is fixedly connected to a circumferential surface of the connecting shaft 19, the gear 12 is engaged with the rack 13, the L-shaped latch hook 18 is fixedly connected to a front end of the rack 13, and a knob switch 11 is fixedly connected to a rear end of the connecting shaft 19.

In this embodiment, the knob switch 11 is rotated to drive the connecting shaft 19 to rotate, so as to drive the rack 13 to move, and the rack 13 moves to drive the L-shaped latch hook 18 to move, so as to disengage the L-shaped latch hook 18 from the slot 20.

Example 7

As shown in fig. 5 to 6, based on the same concept as that of embodiment 1, the present embodiment further proposes that a spring 14 is fixedly connected to an end of the rack 13 away from the L-shaped latch hook 18, and an end of the spring 14 away from the rack 13 is fixedly connected to an inner wall of the cavity 17.

In this embodiment, the rack 13 is moved to deform the spring 14, and when the spring 14 is deformed again, the rack 13 is restored to the initial position.

Example 8

As shown in fig. 1 to 2, based on the same concept as that of the above embodiment 1, the present embodiment further proposes that a base 2 is fixedly connected to the lower end of the detection box 1, the base 2 is cone-shaped, and the base 2 is made of rubber.

In this embodiment, be centrum form through base 2, make base 2 and workstation area of contact increase, and base 2 material makes rubber to increase the frictional force between base 2 and the workstation, made the more stable of placing of detection case 1.

The working principle of the utility model is as follows: when the utility model is used, the knob switch 11 is rotated to drive the connecting shaft 19 to rotate, the connecting shaft 19 is rotated to drive the gear 12 to rotate, the gear 12 rotates to drive the rack 13 to move, the rack 13 moves to deform the spring 14, the rack 13 moves and simultaneously drives the L-shaped latch hook 18 to move, the L-shaped latch hook 18 is disengaged from the slot 20, then the pull handle 23 moves backwards, the fixed plate 10 is driven to move backwards, the fixed plate 10 moves backwards to drive the supporting frame 7 to move backwards, thereby driving the filter plate 8 to move backwards, when the supporting frame 7 is disengaged from the detection box 1, the knob switch 11 is loosened, the spring 14 recovers deformation, the rack 13 is driven to move to the initial position in the opposite direction, thereby the L-shaped latch hook 18, the gear 12, the connecting shaft 19 and the knob switch 11 recover to the initial position, and finally the filter plate 8 is pulled out from the second limit slot 9 in the supporting frame 7, the purpose of disassembling the filter plate 8 is achieved.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a smoke and dust tester with filtration, a serial communication port, including detection case (1), detection case (1) upper end fixed mounting has display screen (5), detection case (1) left end fixedly connected with goes out tuber pipe way (3), detection case (1) right-hand member fixedly connected with intake stack (16), first spacing groove (6) and draw-in groove (20) have been seted up to detection case (1) rear end, the inside sliding connection in first spacing groove (6) has filter equipment, detection case (1) inside upper end fixed mounting has detection contact (21).

2. The smoke tester with the filtering structure as claimed in claim 1, wherein the end of the air inlet pipe (16) and the end of the air outlet pipe (3) far away from the detection box (1) are connected with a thread sealing cover (4) through threads.

3. The smoke tester with the filtering structure as claimed in claim 1, wherein said air inlet duct (16) is fixedly connected with a motor (22) through a connecting rod, and an output shaft of said motor (22) is fixedly connected with a fan (15).

4. The smoke tester with the filtering structure as claimed in claim 1, wherein said filtering device comprises a filtering plate (8), a supporting frame (7), a fixing plate (10), a knob switch (11), a connecting shaft (19), a gear (12), a rack (13), an L-shaped latch hook (18), a spring (14) and a limiting rod, said supporting frame (7) is slidably connected inside said first limiting groove (6), said fixing plate (10) is fixedly connected to the rear end of said supporting frame (7), and a handle (23) is fixedly connected to the rear end of said fixing plate (10).

5. The smoke detector with the filtering structure as claimed in claim 4, wherein said supporting frame (7) is provided with a second limiting groove (9) therein, and said second limiting groove (9) is slidably connected with a filtering plate (8) therein.

6. The smoke dust tester with the filtering structure is characterized in that a cavity (17) is formed in the fixing plate (10), a gear (12), a rack (13) and an L-shaped latch hook (18) are connected to the inner wall of the cavity (17) in a sliding mode, a connecting shaft (19) is connected to the inner wall of the cavity (17) in a rotating mode, the gear (12) is fixedly connected to the circumferential surface of the connecting shaft (19), the rack (13) is meshed with the gear (12), the L-shaped latch hook (18) is fixedly connected to the front end of the rack (13), and a knob switch (11) is fixedly connected to the rear end of the connecting shaft (19).

7. The smoke tester with the filtering structure as claimed in claim 6, wherein a spring (14) is fixedly connected to one end of said rack (13) far away from said L-shaped latch hook (18), and one end of said spring (14) far away from said rack (13) is fixedly connected to the inner wall of said cavity (17).

8. The smoke dust tester with the filtering structure as claimed in claim 1, wherein the lower end of the detection box (1) is fixedly connected with a base (2), the base (2) is cone-shaped, and the base (2) is made of rubber.