CN220205138U - Ambient air particulate matter sampler support - Google Patents

Abstract

The utility model discloses an ambient air particulate matter sampler support, which relates to the technical field of ambient air particulate matter samplers and comprises a fixed table and an instrument, wherein two pairs of universal wheels are fixedly arranged on the lower surface of the fixed table, fixed columns are fixedly arranged on the upper surface of the fixed table, two pairs of limiting blocks are fixedly arranged on the outer walls of the fixed columns, a support frame is arranged on the limiting blocks in a sliding manner, a protection pad is fixedly arranged at the lower end of the support frame, a first screw is rotatably arranged on the support frame, the lower end of the first screw is in threaded connection with the fixed columns, a connecting ring is fixedly arranged on the first screw, an installation table is fixedly arranged at the upper end of the support frame, a disc is rotatably arranged on the lower surface of the instrument, and a rotating ring is rotatably connected with the inner wall of the support frame. According to the utility model, the first screw drives the support frame to retract or contact with the ground, so that the instrument can be conveniently pushed and monitored in situ, and compared with the traditional tripod support, the tripod support is convenient to move, and time and labor are saved.

Description

Ambient air particulate matter sampler support

Technical Field

The utility model relates to the field of ambient air particulate matter samplers, in particular to an ambient air particulate matter sampler bracket.

Background

An ambient air particulate matter sampler is a device for collecting suspended particulate matter in air. It generally includes a sampling head for drawing in particulate matter from the air and a sampling pump for drawing air into the sampling head. The air particulate matter sampler needs to be supported by a bracket when in use.

The prior ambient air particulate matter sampler bracket has the following defects in use: 1. at present, the supports used for the air particulate matter sampler are all triangular supports, the supports are required to be separated from the instrument during movement, and the supports are retracted, so that a great deal of time is consumed for disassembly and installation, and a great deal of physical effort is required for carrying the instrument and the supports; 2. at present, the instrument and the bracket are very troublesome to connect, and are not stable enough after being connected, the shaking condition can appear, and the instrument detection is influenced.

Disclosure of Invention

The utility model provides an ambient air particulate matter sampler bracket, which aims to solve the defects that an instrument and a bracket are inconvenient to carry and the connection between the instrument and the bracket is unstable in the prior art.

In order to solve the problems of inconvenient transportation of the instrument and the bracket and unstable connection of the instrument and the bracket in the prior art, the utility model adopts the following technical scheme:

the utility model provides an ambient air particulate matter sample thief support, includes fixed station and instrument, fixed station lower surface mounting is equipped with two pairs of universal wheels, fixed station upper surface mounting is equipped with the fixed column, fixed column outer wall is fixed to be equipped with two pairs of stoppers, the slip is equipped with the support frame on the stopper, the fixed protection pad that is equipped with of support frame lower extreme, it is equipped with first screw rod to rotate on the support frame, first screw rod lower extreme and fixed column threaded connection, fixed go-between that is equipped with on the first screw rod, the support frame upper end is fixed and is equipped with the mount table, instrument lower surface rotates and is equipped with the disc, rotatory ring rotates with the support frame inner wall to be connected, first screw rod lower extreme is located fixed column central point puts, the support frame lower extreme is laminated mutually with the stopper inner wall, the disc is laminated mutually with the mount table upper surface.

Preferably, the lower surface of the mounting table is rotatably provided with a rotating shaft, a first rotating wheel is fixedly arranged on the rotating shaft, a second rotating wheel is fixedly arranged at the upper end of the first screw rod, connecting belts are sleeved on the first rotating wheel and the second rotating wheel, and a rotating handle is fixedly arranged at the lower end of the rotating shaft.

Preferably, a pair of fixed slots are formed in the disc, a pair of driving slots are formed in the mounting table, a central shaft is arranged in the driving slots in a rotating mode, clamping blocks are fixedly arranged on the central shaft, springs are fixedly arranged on one sides of the clamping blocks, the clamping blocks are L-shaped, and one ends of the springs are fixedly connected with the inner walls of the driving slots.

Preferably, the mount is fixed to be equipped with by the mount outer wall, it is equipped with the second screw rod to rotate on the mount, second screw rod one end is fixed to be equipped with the swivel ring, the screw thread is equipped with the promotion frame on the second screw rod, it is equipped with the drive block to promote the fixed drive block tip, the drive block tip is the slope form, the mount is the spill form.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the utility model, the first screw drives the support frame to retract or contact with the ground, so that the instrument is convenient to push and monitor in situ, and compared with the traditional tripod support, the tripod support is convenient to move, and is time-saving and labor-saving;

2. according to the utility model, the clamping blocks are symmetrically distributed, the disc below the instrument is fixed, and the rotating position of the clamping blocks is changed by rotating the second screw, so that the operation is simple and the installation is stable.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic view of a fixing column structure according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a support frame according to the present utility model;

FIG. 4 is a schematic cross-sectional view of the mounting station of the present utility model;

FIG. 5 is a schematic view of a pushing frame according to the present utility model;

number in the figure: 1. a fixed table; 11. a universal wheel; 12. an instrument; 13. fixing the column; 14. a limiting block; 15. a support frame; 16. a protective pad; 17. a first screw; 18. a connecting ring; 19. a mounting table; 191. a disc; 2. a rotation shaft; 21. a first wheel; 22. a second wheel; 23. a connecting belt; 24. rotating the handle; 3. a fixing groove; 31. a driving groove; 32. a central shaft; 33. a clamping block; 34. a spring; 4. a fixing frame; 41. a second screw; 42. a rotating ring; 43. a pushing frame; 44. and a driving block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1: the embodiment provides an ambient air particulate matter sample thief support, see fig. 1-5, specifically, including fixed station 1 and instrument 12, fixed station 1 lower surface fixed is equipped with two pairs of universal wheels 11, fixed station 1 upper surface fixed is equipped with fixed column 13, fixed column 13 outer wall fixed is equipped with two pairs of stopper 14, slide on stopper 14 and be equipped with support frame 15, support frame 15 lower extreme is fixed and is equipped with protection pad 16, it is equipped with first screw rod 17 to rotate on the support frame 15, first screw rod 17 lower extreme and fixed column 13 threaded connection, fixed being equipped with go-between 18 on the first screw rod 17, support frame 15 upper end is fixed and is equipped with mount table 19, instrument 12 lower surface rotates and is equipped with disc 191, rotatory ring 42 is connected with support frame 15 inner wall rotation, first screw rod 17 lower extreme is located fixed column 13 central point put, support frame 15 lower extreme is laminated mutually with stopper 14 inner wall, disc 191 is laminated mutually with mount table 19 upper surface, through rotating first screw rod 17 down along fixed column 13 screw thread, first screw rod 17 and support frame 15 rotate and be connected, drive support frame 15 and move down along stopper 14, make protection pad 16 contact with ground, make the universal wheel 11 move, instrument 12 can not monitor with the support frame 12 or carry out the monitoring through the first, the support frame 17 is convenient for move with the instrument is convenient for move, and the three-phase is convenient for move only, the instrument is moved in the ground, and is convenient for move in comparison with the support frame is moved to the ground, the labour saving is convenient for move, and is convenient for move compared with the support frame is moved to move with the support frame 12.

In a specific implementation process, as shown in fig. 2 and 3, a rotating shaft 2 is rotatably arranged on the lower surface of the mounting table 19, a first rotating wheel 21 is fixedly arranged on the rotating shaft 2, a second rotating wheel 22 is fixedly arranged at the upper end of the first screw rod 17, connecting belts 23 are sleeved on the first rotating wheel 21 and the second rotating wheel 22, a rotating handle 24 is fixedly arranged at the lower end of the rotating shaft 2, the rotating shaft 2 is driven to rotate by the rotating handle 24, the rotating shaft 2 drives the first rotating wheel 21 to rotate, the first rotating wheel 21 drives the second rotating wheel 22 to rotate by the connecting belts 23, and the second rotating wheel 22 drives the first screw rod 17 to rotate, so that the movement of the support frame 15 is driven.

Example 2: in embodiment 1, there is also a problem that the connection between the instrument 12 and the bracket is unstable, and therefore, this embodiment further includes, on the basis of embodiment 1:

in the specific implementation process, as shown in fig. 4 and 5, a pair of fixing grooves 3 are formed on the disc 191, a pair of driving grooves 31 are formed in the mounting table 19, central shafts 32 are respectively and rotatably arranged in the driving grooves 31, clamping blocks 33 are respectively and fixedly arranged on the central shafts 32, springs 34 are respectively and fixedly arranged on one sides of the clamping blocks 33, the clamping blocks 33 are in an L shape, one ends of the springs 34 are fixedly connected with the inner wall of the driving grooves 31, driving blocks 44 are attached to the lower ends of the clamping blocks 33, the central shafts 32 on the driving blocks 44 rotate along the driving grooves 31, so that the clamping blocks 33 at the upper ends are clamped in the fixing grooves 3, and the positions of the disc 191 are fixed;

the fixed mount 4 that is equipped with of mount 19 outer wall, the rotation is equipped with second screw rod 41 on the mount 4, the fixed swivel ring 42 that is equipped with of second screw rod 41 one end, the screw thread is equipped with on the second screw rod 41 promotes the frame 43, promote the fixed driving piece 44 that is equipped with in frame 43 tip, driving piece 44 tip is the slope form, mount 4 is the spill form, drive second screw rod 41 through swivel ring 42 and rotate, second screw rod 41 drives and promotes frame 43 and remove, promote frame 43 tip and promote driving piece 44 and remove along in the drive slot 31, driving piece 44 and fixture block 33 laminating, be convenient for fix disc 191.

Specifically, the working principle and the operation method of the utility model are as follows:

step one, the second screw 41 is driven to rotate by the rotating ring 42, the second screw 41 drives the pushing frame 43 to move, the end part of the pushing frame 43 pushes the driving block 44 to move along the driving groove 31, the driving block 44 is attached to the clamping block 33, the central shaft 32 on the driving block 44 rotates along the driving groove 31, the upper clamping block 33 is clamped into the fixing groove 3, and the position of the disc 191 is fixed;

step two, the rotating shaft 2 is driven to rotate by rotating the handle 24, the rotating shaft 2 drives the first rotating wheel 21 to rotate, the first rotating wheel 21 drives the second rotating wheel 22 to rotate by the connecting belt 23, and the second rotating wheel 22 drives the first screw 17 to rotate;

step three, the first screw rod 17 drives the supporting frame 15 to move downwards along the limiting block 14, so that the protection pad 16 is in contact with the ground, the universal wheel 11 cannot move, the instrument 12 is convenient to monitor, the supporting frame 15 is driven by the first screw rod 17 to retract or be in contact with the ground, the instrument 12 is convenient to push and monitor in situ, and the supporting frame 15 leaves the ground to push the instrument 12 to move;

according to the utility model, the first screw 17 drives the support frame 15 to retract or contact with the ground, so that the instrument 12 is conveniently pushed and monitored in situ, and compared with a traditional tripod support, the tripod support is convenient to move, and is time-saving and labor-saving; the pair of clamping blocks 33 are symmetrically distributed, the position of the disc 191 below the instrument 12 is fixed, and the rotating position of the clamping blocks 33 is changed by rotating the second screw 41, so that the operation is simple and the installation is stable.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (8)

1. An ambient air particulate matter sampler support, includes fixed station (1) and instrument (12), its characterized in that: fixed surface is equipped with two pairs of universal wheels (11) under fixed station (1), fixed surface is equipped with fixed column (13) on fixed station (1), fixed column (13) outer wall is fixed to be equipped with two pairs of stopper (14), slide on stopper (14) and be equipped with support frame (15), support frame (15) lower extreme is fixed to be equipped with protection pad (16), rotate on support frame (15) and be equipped with first screw rod (17), first screw rod (17) lower extreme and fixed column (13) threaded connection, fixed go-between (18) being equipped with on first screw rod (17), support frame (15) upper end is fixed to be equipped with mount table (19), instrument (12) lower surface rotation is equipped with disc (191).

2. An ambient air particulate matter sampler support according to claim 1, wherein: the rotary shaft (2) is rotatably arranged on the lower surface of the mounting table (19), the first rotary wheel (21) is fixedly arranged on the rotary shaft (2), the second rotary wheel (22) is fixedly arranged at the upper end of the first screw rod (17), the connecting bands (23) are sleeved on the first rotary wheel (21) and the second rotary wheel (22), and the rotary handle (24) is fixedly arranged at the lower end of the rotary shaft (2).

3. An ambient air particulate matter sampler support according to claim 1, wherein: a pair of fixed slots (3) are formed in the disc (191), a pair of driving slots (31) are formed in the mounting table (19), a central shaft (32) is arranged in the driving slots (31) in a rotating mode, clamping blocks (33) are fixedly arranged on the central shaft (32), and springs (34) are fixedly arranged on one sides of the clamping blocks (33).

4. An ambient air particulate matter sampler support according to claim 1, wherein: the fixed mount (4) that is equipped with of mount (19) outer wall, it is equipped with second screw rod (41) to rotate on mount (4), second screw rod (41) one end is fixed and is equipped with swivel ring (42), the screw thread is equipped with on second screw rod (41) promotes frame (43), promote frame (43) tip fixed drive piece (44) that is equipped with.

5. An ambient air particulate matter sampler support as claimed in claim 4 wherein: the end part of the driving block (44) is in a slope shape, and the fixing frame (4) is in a concave shape.

6. An ambient air particulate matter sampler support according to claim 3, wherein: the clamping block (33) is L-shaped, and one end of the spring (34) is fixedly connected with the inner wall of the driving groove (31).

7. An ambient air particulate matter sampler support as claimed in claim 4 wherein: the rotary ring (42) is rotationally connected with the inner wall of the supporting frame (15), and the lower end of the first screw (17) is positioned at the center of the fixed column (13).

8. An ambient air particulate matter sampler support according to claim 1, wherein: the lower end of the supporting frame (15) is attached to the inner wall of the limiting block (14), and the disc (191) is attached to the upper surface of the mounting table (19).