Portable air monitoring device

Abstract

The utility model relates to the technical field of air monitoring, and discloses a portable air monitoring device which is characterized in that a foot stool mechanism is arranged on the outer side of a supporting rod of a supporting vertical rod, and a support of a first connecting seat is connected with four groups of stretching foot stools in a crisscross manner along the circumferential direction of the support; and the support of the second connecting seat is connected with four groups of arm power connecting rods which are connected with the extension foot stools one by one along the circumferential direction of the support in a crisscross manner. Based on the stretching and folding characteristics of the foot stool mechanism, the stretching foot stool in the foot stool mechanism is expanded and unfolded to serve as a bottom supporting platform, the monitoring device is stably and vertically arranged to monitor the air environment, after use, the stretching foot stool is folded and unfolded, the occupied space can be reduced, the self-supporting performance is good, and the self-supporting performance is good. The traditional mode that an external platform is needed for supporting is replaced, the flexible installation performance is better, and meanwhile carrying and using are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of air monitoring, in particular to a portable air monitoring device. Background Art

[0002] With the rapid development of industry, air pollution has become the main target of environmental governance, so air environment monitoring is particularly important. Air environment monitoring is of great significance to ecological environment protection, human health, safe production, etc. By using monitoring instruments to evaluate air quality, identify pollution sources, monitor the environment, and control air pollution, the quality of the environment can be improved. As shown in an air environment monitoring device disclosed in the China Patent Network (public announcement number CN212622206U), during the use of such a device, when the user needs to install the device outdoors, the user can first prepare the location where the device needs to be installed before installation, as a mounting platform for the fixed seat and bolt components, and then calibrate the monitoring height of the monitor based on the telescopic calibration adjustment of the first support rod and the second support rod, and finally power on the device to use the device normally.

[0003] However, there are still some shortcomings in the above-mentioned public patents and the air monitoring devices adopted in the existing market: the existing method of using an external installation platform in advance as a support platform for the air monitoring device, and then placing it upright and fixing it, is relatively cumbersome to install and use, and often requires a lot of manpower and material resources to build the installation platform, the installation cost is high, and after the monitoring is completed, it is inconvenient to disassemble and assemble, and the flexibility and portability are poor. To this end, those skilled in the art provide a portable air monitoring device to solve the problems raised in the above background technology. Utility Model Content

[0004] The main purpose of the utility model is to provide a portable air monitoring device, which can effectively solve the problem that the existing air monitoring devices in the background technology are poor in flexibility, portability and usability.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a portable air monitoring device comprises a support pole and a telescopic support rod inserted into the arm of the support pole;

[0006] A tripod mechanism is provided on the outer side of the support rod of the supporting upright pole;

[0007] A rotating platform mechanism is provided at the top of the arm of the telescopic support rod, and an air monitor is installed at the top of the rotating arm of the rotating platform mechanism;

[0008] The tripod mechanism includes a first connecting seat installed at the bottom end of the supporting upright arm and a lifting screw rod installed at the outside of the supporting upright arm rod, the support of the first connecting seat is connected with four groups of extension tripods in a cross-shaped manner along its circumference, a lifting screw sleeve is screwed on the outside of the screw of the lifting screw rod, and the bottom of the lifting screw sleeve is connected to a second connecting seat sleeved on the outside of the lifting screw rod, and the support of the second connecting seat is connected with four groups of arm force connecting rods connected one by one with the extension tripods in a cross-shaped manner along its circumference.

[0009] As a further solution of the utility model: a knob push handle is arranged on the outer side of the lifting screw sleeve, and the lifting screw sleeve and the second connecting seat are rotatably connected to each other.

[0010] As a further solution of the utility model: a positioning hole is provided at the top end of the arm of the supporting upright, and a plurality of groups of alignment holes are arranged on the arm of the telescopic support rod corresponding to the positioning hole, and fastening pins are inserted at the mating ends of the positioning hole and the alignment holes.

[0011] As a further solution of the utility model: the rotating table mechanism includes a rotating table mounted on the top of the telescopic support arm, one side of the frame of the rotating table is rotatably connected to a rotating seat, and the other side of the frame of the rotating table is provided with a rotating motor for driving the rotating seat, and one side of the support of the rotating seat is rotatably connected to a rotating arm for fixing the air monitor.

[0012] As a further solution of the utility model: a transmission gear is arranged at the output end of the rotating motor, and a transmission gear disc meshing with the transmission gear is arranged at the bottom of the support of the rotating seat.

[0013] As a further solution of the utility model: a positioning hole A is provided on one side of the support of the rotating seat along the swing direction of the rotating arm, a positioning hole B is provided at the bottom end of the arm rod of the rotating arm and is opposite to and overlaps with the positioning hole A, and a positioning pin is inserted at the mating ends of the positioning hole A and the positioning hole B.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. When the air monitoring device is used to monitor the on-site environment, the utility model expands and opens the extendable tripod in the tripod mechanism based on the extendable and foldable characteristics of the tripod mechanism to serve as a bottom support platform, and the monitoring device is stably placed upright to monitor the air environment. After use, the extendable tripod is folded and retracted to reduce the occupied space. It has good self-supporting performance, replacing the traditional method of relying on an external platform for support. It has better flexible installation and is easy to carry and use.

[0016] 2. When the utility model utilizes the air monitoring device to monitor the on-site environment, the monitoring height of the air monitor is flexibly adjusted and calibrated based on the telescopic adjustment of the supporting uprights and the telescopic support rods, and the horizontal monitoring orientation of the air monitor is flexibly adjusted and calibrated based on the mechanical horizontal rotation brake of the rotating table mechanism. The on-site environment monitoring flexibility is better and the monitoring is more comprehensive. After the monitoring is completed, the air monitoring device can be folded and stored by contracting the combination of the supporting uprights and the telescopic support rods and vertically lowering the rotating arm of the rotating table mechanism, which is convenient for carrying and transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the portable air monitoring device of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the tripod mechanism in the portable air monitoring device of the utility model;

[0019] Figure 3 It is a schematic diagram of the combination of the supporting pole and the telescopic supporting pole in the portable air monitoring device of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the rotating table mechanism in the portable air monitoring device of the utility model.

[0021] In the figure: 1. Support pole; 2. Extension tripod; 3. Arm force connecting rod; 4. Lifting screw sleeve; 5. Lifting screw rod; 6. Telescopic support rod; 7. Rotating table; 8. Rotating seat; 9. Rotating arm; 10. Air monitor; 11. First connecting seat; 12. Second connecting seat; 13. Positioning socket; 14. Alignment hole; 15. Fastening pin; 16. Rotating motor; 17. Transmission gear; 18. Transmission gear plate; 19. Positioning socket A; 20. Positioning socket B; 21. Positioning pin. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Please refer to Figure 1-4 As shown, the portable air monitoring device includes a supporting pole 1 and a telescopic support rod 6 inserted into the arm of the supporting pole 1, a positioning hole 13 is provided at the top of the arm of the supporting pole 1, a plurality of groups of calibration holes 14 are arranged on the arm of the telescopic support rod 6 and are opposite to the positioning hole 13, and a fastening pin 15 is inserted at the mating ends of the positioning hole 13 and the calibration holes 14. The supporting height is adjusted and calibrated by utilizing the telescopic combination of the telescopic support rod 6 and the supporting pole 1, and after the adjustment and calibration is completed, the matching fastening pin 15 is inserted into the mating ends of the positioning hole 13 and the calibration holes 14 to lock and position the telescopic combination of the telescopic support rod 6 and the supporting pole 1, so that the air monitor 10 maintains a suitable height for air monitoring.

[0026] A tripod mechanism is arranged on the outside of the support rod of the support upright 1, and the tripod mechanism includes a first connecting seat 11 installed at the bottom end of the arm of the support upright 1 and a lifting screw rod 5 installed on the outside of the arm of the support upright 1. The support of the first connecting seat 11 is connected with four groups of extension tripods 2 in a cross-shaped manner along its circumference. A lifting screw sleeve 4 is screwed on the outside of the screw of the lifting screw rod 5, and the bottom of the lifting screw sleeve 4 is connected to a second connecting seat 12 sleeved on the outside of the lifting screw rod 5. The support of the second connecting seat 12 is connected with four groups of arm force connecting rods 3 connected one by one with the extension tripod 2 in a cross-shaped manner along its circumference. A rotating The button push handle is provided, and the lifting screw sleeve 4 and the second connecting seat 12 are rotatably connected with each other. When the air monitoring device is assembled and used, the lifting screw sleeve 4 is rotated to make the lifting screw sleeve 4 move downward along the lifting screw rod 5, and then the lifting screw sleeve 4 is connected with the rotation of the second connecting seat 12 to push the second connecting seat 12 to move downward, and then the arm force connecting rod 3 is pushed to rotate, and the lifting thrust is converted into a horizontal thrust, which pushes the extending tripod 2 to expand and open, and maintains a horizontal unfolded state as the bottom support platform of the air monitoring device. After use, the extending tripod 2 can be folded and retracted to reduce its occupied space and have better flexible carrying performance.

[0027] A rotating table mechanism is provided at the top of the arm of the telescopic support rod 6, and an air monitor 10 is installed at the top of the rotating arm of the rotating table mechanism. The rotating table mechanism includes a rotating table 7 mounted on the top of the arm of the telescopic support rod 6, one side of the frame of the rotating table 7 is rotatably connected to a rotating seat 8, and the other side of the frame of the rotating table 7 is provided with a rotating motor 16 for driving the rotating seat 8, a transmission gear 17 is provided at the output end of the rotating motor 16, and a transmission gear plate 18 meshing with the transmission gear 17 is provided at the bottom of the support of the rotating seat 8. By controlling the operation of the rotating motor 16, the transmission gear 17 is driven to rotate, and the meshing transmission of the transmission gear 17 and the transmission gear plate 18 is utilized to drive the rotating seat 8 to rotate, thereby driving the air monitor 10 at the top of the rotating arm 9 to rotate and swing horizontally, so as to perform all-round dynamic monitoring of the air environment around it.

[0028] One side of the support of the rotating seat 8 is rotatably connected to the rotating arm 9 for fixing the air monitor 10. A positioning hole A19 is provided on one side of the support of the rotating seat 8 along the swinging direction of the rotating arm 9. The bottom end of the arm rod of the rotating arm 9 is provided with a positioning hole B20 which overlaps with the positioning hole A19, and the mating ends of the positioning hole A19 and the positioning hole B20 are inserted with a positioning pin 21. By swinging the rotating arm 9 horizontally and inserting the matching positioning pin 21 into the mating ends of the positioning hole A19 and the positioning hole B20, a locking state is formed, so that the rotating arm 9 maintains a horizontal support state, and the air monitor 10 is horizontally supported and positioned.

[0029] The working principle of the utility model is as follows: when the air monitoring device is used to monitor the on-site environment, the air monitoring device is placed at the position to be detected, and then the lifting screw sleeve 4 is rotated to push the lifting screw sleeve 4 to move downward along the lifting screw rod 5, and then the lifting screw sleeve 4 is connected with the rotation of the second connecting seat 12 to push the second connecting seat 12 to move downward synchronously, and the arm force connecting rod 3 is synchronously pushed to rotate and open, and the lifting thrust is converted into a horizontal thrust, and the extension tripod 2 is pushed to expand and open, and the horizontal unfolding state is maintained, which serves as the bottom support platform of the air monitoring device, and the air monitoring device is supported and fixed in a self-standing form;

[0030] Further, the telescopic combination of the telescopic support rod 6 and the supporting upright pole 1 is used to adjust the support height. After the adjustment and calibration, the matching fastening pin 15 is inserted and locked, so that the air monitor 10 can maintain a suitable height for monitoring. Synchronously, the rotating arm 9 is swung horizontally, and the matching positioning pin 21 is inserted into the mating end of the rotating arm 9 and the rotating seat 8 to form a locking state, so that the rotating arm 9 maintains a horizontal support state, and the air monitor 10 is horizontally supported and positioned, so as to facilitate monitoring work in a wider range;

[0031] After the air monitoring device is installed, the rotating motor 16 is used as a driving source to drive the combined transmission of the transmission gear 17 and the transmission gear plate 18, so as to drive the rotating seat 8 to rotate, and then drive the air monitor 10 at the top of the rotating arm 9 to rotate and swing horizontally, so as to perform all-round dynamic monitoring of the surrounding air environment, thereby improving the comprehensiveness and diversity of the monitoring data;

[0032] After the subsequent monitoring device is used, the space occupied by the air monitoring device can be reduced by rotating the rotating arm 9 downward to reset it, contracting the combination of the telescopic support rod 6 and the supporting upright pole 1, and folding and resetting the extending tripod 2, thereby improving flexibility and portability.

[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A portable air monitoring device, characterized in that: It comprises a supporting pole (1) and a telescopic support rod (6) inserted into the arm of the supporting pole (1); A tripod mechanism is arranged on the outer side of the support rod of the supporting upright rod (1); A rotating platform mechanism is provided at the top of the arm of the telescopic support rod (6), and an air monitor (10) is installed at the top of the rotating arm of the rotating platform mechanism; The tripod mechanism comprises a first connecting seat (11) mounted on the bottom end of the arm of the supporting upright (1) and a lifting screw rod (5) mounted on the outside of the arm of the supporting upright (1); the support of the first connecting seat (11) is connected to four groups of extending tripods (2) in a cross-shaped manner along its circumference; a lifting screw sleeve (4) is screwed to the outside of the screw of the lifting screw rod (5); and the bottom of the lifting screw sleeve (4) is connected to a second connecting seat (12) sleeved on the outside of the lifting screw rod (5); and the support of the second connecting seat (12) is connected to four groups of arm force connecting rods (3) connected one by one to the extending tripods (2) in a cross-shaped manner along its circumference.

2. The portable air monitoring device according to claim 1, characterized in that: A knob push handle is arranged on the outer side of the lifting screw sleeve (4), and the lifting screw sleeve (4) and the second connecting seat (12) are rotatably connected to each other.

3. The portable air monitoring device according to claim 1, characterized in that: The top end of the arm of the support pole (1) is provided with a positioning hole (13), the arm of the telescopic support rod (6) is provided with a plurality of groups of alignment holes (14) corresponding to the positioning hole (13), and the mating ends of the positioning hole (13) and the alignment holes (14) are plugged with fastening pins (15).

4. The portable air monitoring device according to claim 1, characterized in that: The rotating platform mechanism comprises a rotating platform (7) mounted on the top of the arm of a telescopic support rod (6); one side of the frame of the rotating platform (7) is rotatably connected to a rotating seat (8); the other side of the frame of the rotating platform (7) is provided with a rotating motor (16) for driving the rotating seat (8); one side of the support of the rotating seat (8) is rotatably connected to a rotating arm (9) for fixing an air monitor (10).

5. The portable air monitoring device according to claim 4, characterized in that: The output end of the rotating motor (16) is provided with a transmission gear (17), and the support bottom of the rotating seat (8) is provided with a transmission gear plate (18) meshing with the transmission gear (17).

6. The portable air monitoring device according to claim 5, characterized in that: A positioning hole A (19) is provided on one side of the support of the rotating seat (8) along the swinging direction of the rotating arm (9), a positioning hole B (20) is provided at the bottom end of the arm rod of the rotating arm (9) and is overlapped with the positioning hole A (19), and a positioning pin (21) is inserted into the mating ends of the positioning hole A (19) and the positioning hole B (20).

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