Dust meter protection shell

Abstract

The utility model discloses a dust meter protective shell, relates to the dust meter field, including the protective shell, the interior of protective shell is equipped with the dust meter, one side of dust meter is fixed with the connecting pipe, one end of the connecting pipe is movably connected with the detection head, the outer wall of the detection head is sleeved with the mounting plate, the mounting plate is fixed with the connecting pipe. The protection assembly comprises six sets of buffers, springs are installed in the buffers, one end of each spring is connected with a movable plate, a buffer rod is arranged at the end of each movable plate, and a protection plate is fixed to one end of each buffer rod. When the protection plate is extruded, the protection plate drives the multiple sets of buffer rods to move towards the interior of the buffer, the buffer rods extrude and contract the springs through the movable plate, meanwhile, the springs apply counter-acting force to the buffer rods through the movable plate to hinder movement of the protection plate, and the springs buffer and absorb impact force conducted by the movable plate; therefore, the damage to the protection plate caused by external collision is relieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of dust instrument, concretely is a dust instrument protection shell. BACKGROUND

[0002] Dust instrument, full name dust concentration measuring instrument, is a precision instrument for detecting dust concentration, particle size distribution and other parameters in the air, in the environmental monitoring field, dust instrument is used for monitoring the concentration of particulate matter in the atmosphere, provides data support for air quality assessment and environmental management, through real-time, accurate measurement of dust related parameters, dust instrument plays a vital role in safeguarding production safety, maintaining ecological environment and the like.

[0003] The sampling probe is one of the core components of the dust instrument, and is a front-end device for obtaining effective data of the dust instrument. Its main function is to collect and transport dust-containing air in the environment to the detection unit of the dust instrument. In actual application, the collected dust sample is transmitted to the inside of the dust instrument, and is analyzed and detected by the principle of light scattering, beta ray absorption, etc. to obtain key data such as dust concentration and particle size distribution.

[0004] However, since the sampling probe is usually exposed to the external environment, it is easy to be subjected to mechanical impact, which causes damage to the internal precision components or performance degradation, thereby affecting the accuracy of the detection data of the dust instrument. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims to provide a dust instrument protection shell to solve the technical problem that the sampling probe exposed to the external environment is easily subjected to external mechanical impact, which causes the detection data of the dust instrument to be inaccurate.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a dust instrument protection shell, comprising a protection shell, a dust instrument is installed in the inside of the protection shell, a connecting pipe is fixed on one side of the dust instrument, a detection head is movably connected to one end of the connecting pipe, an installation plate is sleeved on the outer wall of the detection head, a protection assembly is installed on one side of the installation plate, the protection assembly comprises six buffers, a spring is installed in the inside of the buffer, the spring is connected with a moving plate at one end, a buffer rod is arranged at the end of the moving plate, and a protective plate is fixed at one end of the buffer rod.

[0007] By adopting the technical scheme, the problem that the sampling probe exposed to the external environment is easily subjected to mechanical collision of the outside street and causes the detection data of the dust instrument to be inaccurate is solved; when the protective plate is subjected to extrusion, the protective plate drives the multiple sets of buffer rods to move to the inside of the buffer, the buffer rods extrude the compression springs through the moving plate, the springs also apply a reaction force to the buffer rods through the moving plate to hinder the movement of the protective plate, the impact force conducted by the springs to the moving plate is buffered and absorbed, so that the damage caused by the impact of the outside collision to the protective plate is reduced.

[0008] The utility model further sets up, one side of protective shell installs the sealing board, the outer wall of sealing board is provided with the transparent board, one side of dust instrument is provided with the display screen.

[0009] As preferred, the sealing board seals and protects the dust instrument installed inside the protective shell, and personnel can observe the data on the display screen through the transparent board on the sealing board.

[0010] The utility model further sets up, the outer wall of sealing board installs multiple groups of drive button, the outer wall of dust instrument is provided with multiple control buttons.

[0011] As preferred, personnel can control the control buttons on the dust instrument through the control buttons on the sealing board, so that personnel can control the dust instrument without opening the sealing board.

[0012] The utility model further sets up, one side of protective shell is provided with the recess, and the inner wall of recess end portion is inclinedly arranged, one end of mounting plate is fixed with the convex.

[0013] As preferred, when the mounting plate is fixedly installed on the outer wall of the protective shell, the convex on one side of the mounting plate is embedded in the recess on the outer wall of the protective shell, so that the mounting plate can be accurately sleeved on the outer wall of the detection head.

[0014] The utility model further sets up, the inside of protective plate is provided with the through -hole, and the diameter of through -hole is greater than the air hole of detection head.

[0015] As preferred, the through -hole arranged inside the protective plate can reduce the absorption efficiency of the detection head to the external air.

[0016] The utility model further sets up, the outer wall of buffer rod is fixed with two groups of limit stop, the inside of buffer is provided with the sliding slot.

[0017] As preferred, when the buffer rod moves, the buffer can limit and control the buffer rod through the limit stop, so that the buffer rod does not rotate when moving.

[0018] The utility model further sets up, the diameter of mobile board is greater than the diameter of spring, the inside of buffer is provided with moving groove.

[0019] As preferably, when the mobile plate moves to the end of the moving groove, the shield plate at this time is located on one side of the detection head and does not contact the surface of the detection head.

[0020] The utility model further sets up, one end of mobile board is fixed with connecting rod, the end of connecting rod is installed with piston, the inside of buffer is provided with cavity.

[0021] As preferably, the movement of the mobile plate drives the piston to slide in the cavity through the connecting rod, when the piston extrudes the gas in the cavity, the pressure in the cavity increases, so that the gas hinders the movement of the mobile plate through the piston, thereby buffering the impact received by the shield plate.

[0022] The utility model further sets up, the outer wall of buffer is sleeved with protective sleeve, and the protective sleeve adopts rubber material.

[0023] As preferably, the protective sleeve can absorb the impact force generated by the collision of external objects on the buffer, reduce the damage of object impact on the buffer, and on the other hand, the protective sleeve can protect the buffer from being worn out by scratches from external objects.

[0024] The utility model further sets up, the side of buffer and protective sleeve is provided with air hole, and the air hole communicates with the cavity.

[0025] As preferably, when the piston extrudes the gas in the cavity, the air in the cavity is discharged from the buffer through the air hole, because the flow rate of the gas discharged from the air hole is fast, the gas emits a sharp sound, thereby reminding personnel that there is an object extruding the shield plate.

[0026] In summary, the utility model mainly has the following beneficial effects:

[0027] 1、The utility model discloses a protective shell, a detection head, a shield plate and a protection assembly are arranged, solve the problem that the sampling probe exposed in the external environment is easily collided by external street machines and leads to the detection data of the dust instrument is not accurate enough, when the shield plate is extruded, the shield plate drives a plurality of buffer rods to move to the inside of the buffer, the buffer rod extrudes and contracts the spring through the mobile plate, the spring also applies a counter force to the buffer rod through the mobile plate, hinders the movement of the shield plate, the impact force conducted to the mobile plate by the spring is buffered and absorbed, thereby reducing the damage of external collision to the shield plate.

[0028] 2, the utility model discloses a buffer and protective sleeve are set up, six groups of buffer are installed with the included angle of 60 degrees on the one side of mounting plate, so that buffer can protect detection head from multiple angles, and the outer wall of buffer is equipped with the protective sleeve with the elastic deformation characteristic, the protective sleeve can absorb the impact force of the collision of external object to buffer on one hand, reduce the damage of object impact to buffer, on the other hand, the protective sleeve can protect buffer from being abraded by external object. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is whole schematic diagram of the device of the utility model;

[0030] Figure 2 It is detection head installation schematic diagram of the utility model;

[0031] Figure 3 It is side schematic diagram of the protective shell of the utility model;

[0032] Figure 4 It is whole structure diagram of the protective assembly of the utility model;

[0033] Figure 5 It is buffer internal section view of the utility model;

[0034] Figure 6 It is reinforcing column installation schematic diagram of the utility model.

[0035] BRIEF DESCRIPTION OF DRAWINGS

[0036] 1, protective shell;101, recess;2, sealing plate;201, transparent plate;202, drive button;3, dust instrument;301, control button;302, display screen;303, connecting pipe;4, detection head;5, protective plate;501, through hole;6, mounting plate;601, protrusion;7, buffer rod;701, limit block;702, moving plate;703, connecting rod;704, piston;705, spring;706, moving groove;8, buffer;801, sliding slot;802, cavity;803, air hole;804, reinforcing column;9, protective sleeve. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used for explaining the utility model only, and cannot be understood as limiting the utility model.

[0038] The embodiments will be described below according to the overall structure of the utility model.

[0039] First embodiment:

[0040] Please refer to Figure 1 - Figure 5 , including the protective shell 1, the inside of the protective shell 1 is mounted with the dust instrument 3, one side of the dust instrument 3 is fixedly connected with the connecting pipe 303, one end of the connecting pipe 303 is movably connected with the detection head 4, the outer wall of the detection head 4 is sleeved with the mounting plate 6, one side of the mounting plate 6 is mounted with the protection assembly, the protection assembly contains six groups of buffers 8, the inside of the buffer 8 is mounted with the spring 705, one end of the spring 705 is connected with the moving plate 702, the end of the moving plate 702 is provided with the buffer rod 7, one end of the buffer rod 7 is fixedly connected with the protective plate 5, solve the problem that the sampling probe exposed to the external environment is easily collided by the external street machinery, leading to the detection data of the dust instrument is not accurate enough, when the protective plate 5 is extruded, the protective plate 5 drives multiple buffer rods 7 to move to the inside of the buffer 8, the buffer rod 7 extrudes and shrinks the spring 705 through the moving plate 702, the spring 705 also provides a counter force to the buffer rod 7 through the moving plate 702, hindering the movement of the protective plate 5, the spring 705 buffers and absorbs the impact force conducted by the moving plate 702, thereby slowing down the damage caused by the external collision to the protective plate 5.

[0041] In the above embodiment, please refer to Figure 1 and Figure 2 , the sealing plate 2 is mounted on one side of the protective shell 1, the outer wall of the sealing plate 2 is provided with the transparent plate 201, one side of the dust instrument 3 is provided with the display screen 302, the dust instrument 3 installed in the protective shell 1 is sealed and protected by the sealing plate 2, and personnel can observe the data on the display screen 302 through the transparent plate 201 on the sealing plate 2.

[0042] In the above embodiment, please refer to Figure 1 and Figure 2 , a plurality of drive buttons 202 are mounted on the outer wall of the sealing plate 2, a plurality of control buttons 301 are provided on the outer wall of the dust instrument 3, personnel can control the control buttons 301 on the dust instrument 3 through the control buttons 202 on the sealing plate 2, so that personnel can control the dust instrument 3 without opening the sealing plate.

[0043] In the above embodiment, please refer to Figure 2 and Figure 4 , a groove 101 is formed on one side of the protective shell 1, and the inner wall of the end of the groove 101 is inclinedly arranged, a protrusion 601 is fixedly connected to one end of the mounting plate 6, when the mounting plate 6 is fixedly installed on the outer wall of the protective shell 1, the protrusion 601 on one side of the mounting plate 6 is embedded in the groove 101 on the outer wall of the protective shell 1, so that the mounting plate 6 can be accurately sleeved on the outer wall of the detection head 4.

[0044] In the above embodiment, please refer to Figure 4The inner part of the protection plate 5 is provided with a through hole 501, and the diameter of the through hole 501 is greater than that of the air suction hole of the detection head 4. The through hole 501 provided in the inner part of the protection plate 5 can reduce the absorption efficiency of the detection head 4 to the external air.

[0045] In the above embodiment, please refer to the specific Figure 5 The outer wall of the buffer rod 7 is fixedly provided with two groups of limiting blocks 701, and the inner part of the buffer 8 is provided with a sliding groove 801. When the buffer rod 7 moves, the buffer 8 can limit and control the buffer rod 7 through the limiting blocks 701, so that the buffer rod 7 does not rotate when it moves.

[0046] In the above embodiment, please refer to the specific Figure 5 The diameter of the moving plate 702 is greater than that of the spring 705, and the inner part of the buffer 8 is provided with a moving groove 706. When the moving plate 702 moves to the end of the moving groove 706, the protection plate 5 at this time is located on one side of the detection head 4 and does not contact the surface of the detection head 4.

[0047] In the above embodiment, please refer to the specific Figure 5 One end of the moving plate 702 is fixedly provided with a connecting rod 703, and the end of the connecting rod 703 is provided with a piston 704. The inner part of the buffer 8 is provided with a cavity 802. The movement of the moving plate 702 drives the piston 704 to slide in the cavity 802 through the connecting rod 703. When the piston 704 extrudes the gas in the cavity 802, the pressure in the cavity 802 increases, so that the gas hinders the movement of the moving plate 702 through the piston 704, thereby buffering the impact received by the protection plate 5.

[0048] In the above embodiment, please refer to the specific Figure 4 The outer wall of the buffer 8 is sleeved with a protective sleeve 9, and the protective sleeve 9 is made of rubber material. On one hand, the protective sleeve 9 can absorb the impact force generated by the collision of external objects on the buffer 8, thereby reducing the damage of the object impact on the buffer 8. On the other hand, the protective sleeve 9 can protect the buffer 8 from being scratched and worn by external objects.

[0049] In the above embodiment, please refer to the specific Figure 4 and Figure 5 One side of the buffer 8 and the protective sleeve 9 is provided with an air hole 803, and the air hole 803 communicates with the cavity 802. When the piston 704 extrudes the gas in the cavity 802, the air in the cavity 802 is discharged from the buffer 8 through the air hole 803. Since the flow rate of the gas discharged from the air hole 803 is fast, the gas emits a sharp sound, thereby reminding the personnel that there is an object extruding the protection plate 5.

[0050] Second embodiment:

[0051] Please refer toFigure 6 The outer wall of the buffer 8 is fixedly provided with a reinforcing column 804, and the reinforcing column 804 is connected with two adjacent groups of buffers 8.

[0052] In the specific work, the detection head 4 is first fixedly installed on the connecting pipe 303 on one side of the dust instrument 3 through a threaded connection, then the mounting plate 6 is sleeved outside the detection head 4, the protrusion 601 on one side of the mounting plate 6 is buckled into the groove 101 on one side of the protective shell 1, and then the mounting plate 6 is fixedly installed on the outer wall of the protective shell 1 by using a bolt.

[0053] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and those skilled in the art can make modifications, replacements and changes of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as in the range of the claims of the utility model, it is protected by the patent law.

Claims

1. A protective shell for a dust collector, comprising a protective shell (1), characterized in that: The protective shell (1) is equipped with a dust meter (3). A connecting pipe (303) is fixed on one side of the dust meter (3). A detection head (4) is movably connected to one end of the connecting pipe (303). An installation plate (6) is fitted on the outer wall of the detection head (4). A protective component is installed on one side of the installation plate (6). The protective component includes six sets of buffers (8). A spring (705) is installed inside the buffer (8). A movable plate (702) is connected to one end of the spring (705). A buffer rod (7) is provided at the end of the movable plate (702). A protective plate (5) is fixed to one end of the buffer rod (7).

2. The protective shell for a dust collector according to claim 1, characterized in that: A sealing plate (2) is installed on one side of the protective shell (1), and a transparent plate (201) is provided on the outer wall of the sealing plate (2). A display screen (302) is provided on one side of the dust meter (3).

3. The protective shell for a dust collector according to claim 2, characterized in that: The outer wall of the sealing plate (2) is equipped with multiple sets of drive buttons (202), and the outer wall of the dust meter (3) is equipped with multiple sets of control buttons (301).

4. The protective housing for a dust collector according to claim 1, characterized in that: The protective shell (1) has a groove (101) on one side, and the inner wall of the end of the groove (101) is inclined. One end of the mounting plate (6) is fixed with a protrusion (601).

5. The protective housing for a dust collector according to claim 1, characterized in that: The protective plate (5) has a through hole (501) inside, and the diameter of the through hole (501) is larger than the air intake hole of the detection head (4).

6. The protective housing for a dust collector according to claim 1, characterized in that: The outer wall of the buffer rod (7) is fixed with two sets of limiting blocks (701), and the inside of the buffer (8) is provided with a sliding groove (801).

7. The protective housing for a dust collector according to claim 1, characterized in that: The diameter of the movable plate (702) is larger than the diameter of the spring (705), and the buffer (8) is provided with a movable groove (706).

8. The protective housing for a dust collector according to claim 1, characterized in that: One end of the movable plate (702) is fixed with a connecting rod (703), and a piston (704) is installed at the end of the connecting rod (703). The buffer (8) has a cavity (802) inside.

9. A protective shell for a dust collector according to claim 1, characterized in that: The outer wall of the buffer (8) is fitted with a protective sleeve (9), and the protective sleeve (9) is made of rubber.

10. A protective shell for a dust collector according to claim 9, characterized in that: The buffer (8) and the protective sleeve (9) have an air hole (803) on one side, and the air hole (803) is connected to the cavity (802).

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