CN213041590U

CN213041590U - Sampling instrument for atmospheric detection

Info

Publication number: CN213041590U
Application number: CN202022064730.1U
Authority: CN
Inventors: 徐萍; 程璐; 赵业红; 张敏娜
Original assignee: Hongsheng Yuanse Environmental Technology Development Nanjing Co ltd
Current assignee: Hongsheng Yuanse Environmental Technology Development Nanjing Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-04-23
Anticipated expiration: 2030-09-18

Abstract

The utility model relates to a sampler for atmospheric detection, which relates to the technical field of atmospheric sampling, and comprises a sampler and a supporting seat for placing the sampler, wherein one side of the supporting seat, which is far away from the sampler, is provided with a plurality of supporting rods, the supporting rods comprise a first supporting rod and a second supporting rod which are connected in a sliding manner, the second supporting rod is hollow, a driving component for driving the first supporting rod to slide in a reciprocating manner along the length direction of the second supporting rod is arranged in the second supporting rod, and a horizontal detection piece for detecting the levelness of the supporting seat is arranged on the supporting seat; this application is through the cooperation of first branch, second branch, drive assembly and level detection spare, makes things convenient for the workman to adjust the supporting seat to the horizontality to promote sample thief sampling process's stability.

Description

Sampling instrument for atmospheric detection

Technical Field

The application relates to the technical field of atmospheric detection, in particular to a sampling instrument for atmospheric detection.

Background

The atmospheric quality detection refers to a process of performing stationing observation on main pollutants in the atmosphere of one region and evaluating the atmospheric environmental quality. When the atmospheric quality is detected, a sampling device is needed to carry out atmospheric collection.

The utility model discloses an authorization notice number is CN 211348131U's china utility model, an atmospheric detection uses air sampling device is disclosed, including the sample thief, fixedly connected with bearing on the inside wall of sample thief, the inner ring fixedly connected with spliced pole of bearing, fixedly connected with gear on the lateral wall of spliced pole, the top and the bottom of gear all mesh the pinion rack, fixedly connected with movable plate on the lateral wall of pinion rack, the top of movable plate slides with the inside wall of sample thief and is connected, the lateral wall fixedly connected with slide bar of the bottom of the board that removes, the lateral wall fixedly connected with extension board of slide bar, the bottom of extension board runs through the sample thief and extends to the outside of sample thief, the lateral wall rigid coupling that the extension board extends the one end of sample thief has the inserted bar, the bottom of sample thief is equipped with the support, the top fixedly connected with inserted bar of support, the top of inserted bar is located the inside of sample.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the ground is uneven at the place where the atmospheric sampling is carried out, when the sampler is supported by the bracket, the sampler can incline or even topple, so that the problem of poor stability in the sampling process is caused.

SUMMERY OF THE UTILITY MODEL

In order to improve the poor problem of sampler sampling process stability, this application provides a sampling appearance for atmospheric testing.

The application provides a sampling instrument for atmosphere detection adopts following technical scheme:

the utility model provides an atmospheric detection is with sample appearance, includes the sample thief, still includes the supporting seat that is used for placing the sample thief, one side that the sample thief was kept away from to the supporting seat is equipped with a plurality of bracing pieces, the bracing piece includes inside and outside first branch and the second branch of sliding the connection, the inside cavity of second branch, be equipped with in the second branch and be used for driving the first branch along the reciprocating drive assembly who slides of the length direction of second branch, be equipped with the level detection spare that is used for detecting the supporting seat levelness on the supporting seat.

By adopting the technical scheme, when the horizontal plane of the sampling place is not smooth enough, the driving component is utilized to drive the first support rod on the lower side to slide upwards along the length direction of the second support rod, or the driving component is utilized to drive the first support rod on the higher side to slide downwards along the length direction of the second support rod, and when the horizontal detection component displays that the support seat is in the horizontal state, the driving component is stopped to be driven; through the cooperation of second branch, first branch, drive assembly and level detection spare, make things convenient for the workman to adjust the supporting seat to the horizontality to promote sample thief sampling process's stability.

Optionally: the drive assembly includes the screw rod, the one end and the one end threaded connection that first branch is located the second branch of screw rod, the other end of screw rod rotates to be connected in the second branch, the one end coaxial coupling that the screw rod is located the second branch has first bevel gear, wear to establish and the swivelling joint has the pivot on the lateral wall of second branch, the one end coaxial coupling that the pivot stretched into in the second branch has second bevel gear, second bevel gear and the meshing of first bevel gear, the one end coaxial coupling that the second branch was stretched out in the pivot has the spiral cover, the spiral cover rotates to be connected on the lateral wall of second branch.

Through adopting above-mentioned technical scheme, when the workman need adjust the length of the bracing piece of one side, rotatory spiral cover makes the spiral cover drive pivot, second bevel gear, first bevel gear and screw rod in order and rotates, under the screw feed effect, makes the screw rod drive first branch and reciprocates to slide along the length direction of second branch, and simple structure is stable.

Optionally: and a dust cover is arranged on the outer side wall of the first supporting rod, and one end, far away from the first supporting rod, of the dust cover is connected to the outer side wall of the second supporting rod in a sliding mode.

Through adopting above-mentioned technical scheme, set up the dust cover and be favorable to reducing the entering of dust in the second branch, when first branch reciprocated along the length direction of second branch and slided, first branch is taking the dust cover reciprocal to slide to make keep off the dust cover and keep always with the closed state of second branch.

Optionally: the level detects the piece and includes transparent ball, the surface of transparent ball is equipped with horizontal scale mark, be equipped with the liquid level that is used for detecting the supporting seat levelness in the transparent ball.

Through adopting above-mentioned technical scheme, at the in-process of adjusting bracing piece length, when the liquid level keeps at level with horizontal scale mark, show that the supporting seat has been in the horizontality, through the cooperation of horizontal scale mark and liquid level, play the indicative function to the process that the workman adjusted bracing piece length.

Optionally: be equipped with the installation breach on the lateral wall of supporting seat, it is connected with the installation piece to slide in the installation breach, be equipped with the holding tank on the lateral wall of installation piece, transparent ball sets up in the holding tank, be equipped with the retaining member on the lateral wall of supporting seat.

Through adopting above-mentioned technical scheme, through the cooperation of sliding of installation piece and installation breach to under the effect of retaining member, make things convenient for the workman to install the installation piece on the supporting seat, when transparent ball takes place to damage, the workman can release the retaining member and change the installation piece, thereby change transparent ball.

Optionally: the retaining member includes the check lock, the one end of check lock articulates on the lateral wall of supporting seat, the other end butt of check lock is on the lateral wall of installation piece.

Through adopting above-mentioned technical scheme, slide the installation piece and be connected the back with the installation breach, rotate the locking lever to the inseparable butt of locking lever on the lateral wall of installation piece to carry on spacingly at the length direction of installation piece to the installation piece, and then guarantee the stability of installation piece and supporting seat connection.

Optionally: be equipped with in the supporting seat and hold the cavity, run through on the diapire of supporting seat and be equipped with a plurality of and hold the perforation of cavity intercommunication, perforation and bracing piece one-to-one, the one end that the bracing piece is close to the supporting seat is passed the perforation and is stretched into and hold in the cavity, the bracing piece is stretched into the one end rotation connection that holds in the cavity and is held in the cavity, it is equipped with in the cavity and is used for driving the synchronous pivoted adjusting part of a plurality of bracing pieces to hold.

Through adopting above-mentioned technical scheme, during the sample, a plurality of bracing pieces are in the state of opening, and the back is accomplished in the sample, utilizes a plurality of bracing pieces of adjusting part drive to remove towards the axis of supporting seat in step to the workman accomodates this sample appearance.

Optionally: the adjusting component comprises a rotating shaft, the rotating shaft penetrates through and is rotatably connected to the side wall of one end, located in the containing cavity, of the supporting rod, a third bevel gear is coaxially connected to one end of the rotating shaft, a bearing plate is arranged in the containing cavity, a driving motor is arranged on the side wall of one side of the bearing plate, a motor shaft of the driving motor penetrates through the bearing plate and is coaxially connected with a driving wheel, a plurality of driven wheels are rotatably connected to the side wall, away from one side of the driving motor, of the bearing plate, the driven wheels are meshed with the driving wheel, a fourth bevel gear is coaxially connected to the driven wheels, and the fourth bevel gear.

Through adopting above-mentioned technical scheme, when accomodating the bracing piece, utilize driving motor drive action wheel in order, from driving wheel, fourth bevel gear and third bevel gear to rotate to make third bevel gear drive the axis of rotation and rotate, the axis of rotation drives the bracing piece and rotates, so that accomplish the synchronous of a plurality of bracing pieces and accomodate, simple structure is stable.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the driving assembly, workers can conveniently adjust the length of the supporting rod, and the levelness of the supporting seat is detected by using the horizontal detection piece, so that the stability of the sampler in use is ensured;

2. screwing the screw cap to enable the screw cap to sequentially drive the rotating shaft, the second bevel gear, the first bevel gear and the screw rod to rotate, so that the screw rod drives the first supporting rod to slide along the length direction of the second supporting rod, and workers can conveniently adjust the length of the supporting rod;

3. after the sample was accomplished, utilize driving motor drive action wheel in order, from driving wheel, fourth bevel gear and third bevel gear to rotate to make the third bevel gear drive the axis of rotation and rotate, the axis of rotation drives the bracing piece and rotates, so that accomplish accomodating of bracing piece.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic sectional structure diagram for showing a connection relationship among the first support rod, the second support rod, the screw, the first bevel gear, the second bevel gear, the rotating shaft, and the screw cap.

Fig. 3 is a schematic structural diagram for showing the connection relationship among the transparent ball, the mounting block and the supporting box, and the connection relationship among the fixing rod, the threaded rod, the abutting plate, the abutting pad and the sampler.

FIG. 4 is a schematic sectional view of a supporting seat for showing the connection relationship among a first supporting rod, a rotating shaft, a third bevel gear, a fourth bevel gear, a linkage shaft, a driven wheel, a driving motor and a bearing plate.

In the figure, 1, a sampler; 2. a supporting seat; 20. perforating; 21. installing a notch; 211. mounting a rib; 22. a receiving cavity; 221. a first accommodating chamber; 222. a second accommodating chamber; 23. a groove; 3. a support bar; 31. a first support bar; 311. a thread groove; 32. a second support bar; 321. a slide hole; 4. a drive assembly; 41. a screw; 42. a first bevel gear; 43. a rotating shaft; 44. a second bevel gear; 45. screwing a cover; 5. a horizontal detection member; 51. a transparent ball; 511. horizontal scale lines; 52. mounting blocks; 521. accommodating grooves; 522. installing a chute; 6. a dust cover; 7. a locking lever; 8. an adjustment assembly; 81. a rotating shaft; 82. a third bevel gear; 83. a carrier plate; 84. a drive motor; 85. a driving wheel; 86. a driven wheel; 87. a fourth bevel gear; 88. a lug; 89. a linkage shaft; 9. a limiting component; 91. fixing the rod; 92. a threaded rod; 93. a propping plate; 94. tightly abutting against the cushion; 10. and opening and closing the button.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses sampling instrument for atmosphere detection. Referring to fig. 1 and 2, a sample appearance for atmosphere detection includes sample thief 1 and the supporting seat 2 that is used for placing sample thief 1, be equipped with recess 23 on the roof of supporting seat 2, sample thief 1 inlay card is in recess 23, be equipped with on the roof of supporting seat 2 with the spacing subassembly 9 of sample thief 1 spacing in recess 23, be equipped with a plurality of bracing pieces 3 on the diapire of supporting seat 2, the quantity of bracing piece 3 in this application is 4, bracing piece 3 includes first branch 31 and the second branch 32 of inside and outside connection that slides, be equipped with dust cover 6 on the lateral wall of first branch 31, the one end that first branch 31 was kept away from to dust cover 6 slides and connects on the lateral wall of second branch 32, be equipped with the level detection spare 5 that is used for detecting the supporting seat 2 levelness on the lateral wall of.

Referring to fig. 2, the second support rod 32 is hollow, a driving assembly 4 for driving the first support rod 31 to slide back and forth is arranged in the second support rod 32, the driving assembly 4 includes a screw rod 41, a thread groove 311 is arranged on an end wall of one end of the first support rod 31 located in the second support rod 32, one end of the screw rod 41 is in threaded connection with the thread groove 311, the other end of the screw rod 41 is rotatably connected to an inner bottom wall of the second support rod 32, a first bevel gear 42 is coaxially connected to one end of the screw rod 41 close to the inner bottom wall of the second support rod 32, a sliding hole 321 is arranged on an inner side wall of the second support rod 32 in a penetrating manner, a rotating shaft 43 is rotatably connected in the sliding hole 321, a second bevel gear 44 is coaxially connected to one end of the rotating shaft 43 extending into the second support rod 32, the second bevel gear 44 is engaged with the first bevel gear 42, a rotating cover 45 is coaxially connected to one end of the rotating shaft 43 extending out of.

Referring to fig. 1 and 2, when the ground of a sampling place is not flat enough, a worker screws the screw cap 45 on the lower side, so that the screw cap 45 sequentially drives the second bevel gear 44, the first bevel gear 42 and the screw rod 41 to rotate, so that the screw rod 41 drives the first support rod 31 to slide back and forth along the length direction of the second support rod 32, when the horizontal detection member 5 shows that the support seat 2 is in a horizontal state, the worker places the sampler 1 in the groove 23 again, and fixes the sampler 1 in the groove 23 by using the locking assembly, so as to ensure the stability of the sampling process of the sampler 1.

Referring to fig. 1 and 3, the horizontal detection piece 5 includes an installation block 52, an accommodation groove 521 is arranged in the installation block 52, a transparent ball 51 is adhered in the accommodation groove 521 through environment-friendly glue, horizontal scale lines 511 are arranged on the outer surface of the transparent ball 51, a liquid level for detecting the levelness of the support seat 2 is arranged in the transparent ball 51, an installation notch 21 is arranged on the side wall of the support seat 2, an installation convex rib 211 is arranged on the bottom wall of the installation notch 21 along the length direction of the installation convex rib, an installation sliding groove 522 in sliding fit with the installation convex rib 211 is arranged on the bottom wall of the installation block 52, the installation sliding groove 522 is a dovetail groove, a locking piece for fixing the installation block 52 is arranged on the side wall of the support seat 2 close to the installation notch 21 and comprises a locking rod; after the worker slidably mounts the mounting block 52 in the mounting notch 21, the locking rod 7 is rotated until the locking rod 7 abuts against the side wall of the mounting block 52, so that the mounting block 52 is limited in the sliding direction of the mounting block 52.

Referring to fig. 1 and 3, the limiting assembly 9 includes a fixing rod 91 disposed on the top walls of the two sides of the supporting seat 2, the fixing rod 91 and the supporting seat 2 are integrally formed, a threaded rod 92 is inserted and connected to the side wall of the fixing rod 91 through a thread, a resisting plate 93 is fixedly connected to one end of the threaded rod 92 close to the sampler 1, a resisting pad 94 is adhered to one end of the resisting plate 93 far from the threaded rod 92 through environment-friendly glue, and the resisting pad 94 is made of rubber with good softness; after the worker adjusts the supporting seat 2 to be in a horizontal state, the threaded rod 92 is screwed, so that the threaded rod 92 drives the abutting plate 93 to slide towards the sampler 1, the abutting pad 94 tightly abuts against the side wall of the sampler 1, the sampler 1 is fixed in the groove 23, and the sampling stability of the sampler 1 is guaranteed.

Referring to fig. 4, a containing cavity 22 is arranged in the supporting seat 2, a plurality of through holes 20 are arranged on the bottom wall of the supporting seat 2 in a penetrating manner, the through holes 20 are communicated with the containing cavity 22, the through holes 20 correspond to the first supporting rods 31 one by one, the first supporting rods 31 penetrate through the through holes 20 and extend into the containing cavity 22, an adjusting assembly 8 for driving the four first supporting rods 31 to synchronously rotate is arranged in the containing cavity 22, the adjusting assembly 8 comprises a bearing plate 83 arranged on the wall of the containing cavity 22, the containing cavity 22 is divided into a first containing cavity 221 and a second containing cavity 222 in the vertical direction by the bearing plate 83, one end of the first supporting rod 31 penetrating through the through holes 20 extends into the second containing cavity 222, four pairs of lugs 88 are fixedly connected to the bottom wall of the second containing cavity 222, one end of the first supporting rod 31 extending into the second containing cavity 222 penetrates through and is rotatably connected with a rotating shaft 81, the rotating shaft, one end of the rotating shaft 81, extending out of the lug 88, is coaxially connected with a third bevel gear 82, a driving motor 84 is fixed on the side wall of the bearing plate 83, which is located on one side of the first accommodating cavity 221, an on-off button 10 for turning on and off the driving motor 84 is arranged on the side wall of the supporting seat 2, a motor shaft of the driving motor 84 penetrates through the bearing plate 83 and is coaxially connected with a driving wheel 85, four driven wheels 86 are rotatably connected on the side wall of the bearing plate 83, which is located on one side of the second accommodating cavity 222, the driven wheels 86 are meshed with the driving wheel 85, a fourth bevel gear 87 is coaxially connected on the driven wheels 86 through a linkage shaft 89.

Referring to fig. 4, after the worker finishes sampling, the start-stop button 10 is pressed, the driving motor 84 is started to sequentially drive the driving wheel 85, the driven wheel 86, the linkage shaft 89, the fourth bevel gear 87 and the third bevel gear 82 to rotate, so that the third bevel gear 82 drives the rotating shaft 81 to rotate, the rotating shaft 81 drives the first supporting rod 31 to rotate, and the supporting rod 3 is stored towards one side close to the central axis of the supporting seat 2.

The implementation principle of the sampling instrument for atmospheric detection in the embodiment is as follows: in the initial state, the four support rods 3 are in the open state, and a worker firstly screws the screw cover 45 on the lower side according to the flatness of the ground of the sampling point, so that the screw cover 45 sequentially drives the second bevel gear 44, the first bevel gear 42 and the screw rod 41 to rotate, so that the screw 41 drives the first support rod 31 to slide upwards along the length direction of the second support rod 32, when the liquid level is level with the horizontal scale line 511, the worker stops screwing the screw cap 45, places the sampler 1 in the groove 23, screws the threaded rod 92 to tightly press the pressing pad 94 against the side wall of the sampler 1, and after sampling, the worker presses the start-stop button 10 to make the driving motor 84 sequentially drive the driving wheel 85, the driven wheel 86, the fourth bevel gear 87 and the third bevel gear 82 to rotate, so that the third bevel gear 82 drives the rotating shaft 81 to rotate, and the rotating shaft 81 drives the first supporting rod 31 to rotate, so that the supporting rod 3 is accommodated towards one side close to the central axis of the supporting seat 2; this application is through the cooperation of first branch 31, second branch 32, drive assembly 4 and level detection spare 5, carries out the leveling to supporting seat 2 for sample thief 1 keeps the horizontally state, thereby guarantees the stability of sampling process.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a sampling appearance for atmosphere detection, includes sample thief (1), its characterized in that: still including supporting seat (2) that are used for placing sample thief (1), one side that sample thief (1) was kept away from in supporting seat (2) is equipped with a plurality of bracing pieces (3), bracing piece (3) slide first branch (31) and second branch (32) of connecting including inside and outside, second branch (32) inside cavity, be equipped with in second branch (32) and be used for driving drive assembly (4) that the length direction of first branch (31) edge second branch (32) reciprocated and slide, be equipped with on supporting seat (2) and be used for detecting horizontal detection spare (5) of supporting seat (2) levelness.

2. The atmospheric inspection sampler according to claim 1, wherein: drive assembly (4) include screw rod (41), the one end threaded connection that one end and first branch (31) of screw rod (41) are located second branch (32), the other end of screw rod (41) rotates to be connected in second branch (32), one end coaxial coupling that screw rod (41) are located second branch (32) has first bevel gear (42), wear to establish and rotate on the lateral wall of second branch (32) and be connected with pivot (43), one end coaxial coupling that pivot (43) stretched into in second branch (32) has second bevel gear (44), second bevel gear (44) and first bevel gear (42) meshing, the one end coaxial coupling that pivot (43) stretched out second branch (32) has spiral cover (45), spiral cover (45) rotate to be connected on the lateral wall of second branch (32).

3. The atmospheric inspection sampler according to claim 2, wherein: be equipped with dust cover (6) on the lateral wall of first branch (31), the one end that first branch (31) was kept away from in dust cover (6) slides and connects on the lateral wall of second branch (32).

4. The atmospheric inspection sampler according to claim 1, wherein: the horizontal detection piece (5) comprises a transparent ball (51), horizontal scale marks (511) are arranged on the outer surface of the transparent ball (51), and a liquid level used for detecting the levelness of the supporting seat (2) is arranged in the transparent ball (51).

5. The atmospheric measurement sampling instrument according to claim 4, wherein: be equipped with installation breach (21) on the lateral wall of supporting seat (2), the sliding is connected with installation piece (52) in installation breach (21), be equipped with holding tank (521) on the lateral wall of installation piece (52), transparent ball (51) set up in holding tank (521), be equipped with the retaining member on the lateral wall of supporting seat (2).

6. The atmospheric measurement sampling instrument according to claim 5, wherein: the retaining member comprises a locking rod (7), one end of the locking rod (7) is hinged to the side wall of the supporting seat (2), and the other end of the locking rod (7) abuts against the side wall of the mounting block (52).

7. The atmospheric inspection sampler according to claim 1, wherein: be equipped with in supporting seat (2) and hold cavity (22), run through on the diapire of supporting seat (2) and be equipped with a plurality of and hold perforation (20) of cavity (22) intercommunication, perforation (20) and bracing piece (3) one-to-one, the one end that bracing piece (3) are close to supporting seat (2) is passed perforation (20) and is stretched into and hold cavity (22) in, bracing piece (3) stretch into hold the one end rotation connection in cavity (22) and hold cavity (22) in, it is used for driving a plurality of bracing pieces (3) synchronous pivoted adjusting part (8) to be equipped with in cavity (22).

8. The atmospheric inspection sampler according to claim 7, wherein: the adjusting component (8) comprises a rotating shaft (81), the rotating shaft (81) penetrates through and is rotatably connected in the side wall of one end of the supporting rod (3) positioned in the accommodating cavity (22), one end of the rotating shaft (81) is coaxially connected with a third bevel gear (82), a bearing plate (83) is arranged in the accommodating cavity (22), a driving motor (84) is arranged on the side wall of one side of the bearing plate (83), a motor shaft of the driving motor (84) penetrates through the bearing plate (83) and is coaxially connected with a driving wheel (85), a plurality of driven wheels (86) are rotatably connected on the side wall of one side of the bearing plate (83) far away from the driving motor (84), the driven wheel (86) is meshed with the driving wheel (85), a fourth bevel gear (87) is coaxially connected to the driven wheel (86), and the fourth bevel gear (87) is meshed with the third bevel gear (82).