CN212321212U

CN212321212U - Sampling mechanism for air detection

Info

Publication number: CN212321212U
Application number: CN202020107103.9U
Authority: CN
Inventors: 徐春秀
Original assignee: 徐春秀
Current assignee: Huo Yikang (Shanghai) Technology Co.,Ltd.
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2021-01-08
Anticipated expiration: 2030-01-17

Abstract

The utility model discloses a sampling mechanism for aerial detection, including returning the type frame, the rear end fixedly connected with backup pad of returning the type frame, the front end fixedly connected with motor of backup pad, it is equipped with and places the board to return the vertical partial upward slip cover of type frame, place two elevating parts of lower extreme fixedly connected with of board, two the transmission is connected between the elevating part, is located the left elevating part's rear end and the terminal fixed connection of drive shaft of motor are located right-hand elevating part's rear end rotates and sets up on the front end lateral wall of backup pad, place a plurality of sampling part of upper end fixedly connected with of board. The utility model discloses a setting of lifting unit, sample part and the part of giving vent to anger can carry out the sample operation with the limit that rises of sample article for the air of a plurality of heights can both be gathered same sample case in, thereby has improved air content detection's accuracy effectively, and the multiunit sample goes on simultaneously, and is easy and simple to handle.

Description

Sampling mechanism for air detection

Technical Field

The utility model relates to an empty gas detection surveys technical field, especially relates to a sampling mechanism for empty gas detection surveys.

Background

Air detection generally refers to the detection of the composition of air, and the important detection is the indoor air quality, so that people can know the content of each component in the air in time to know whether the room is suitable for people to live.

Empty gas detection surveys and generally will take a sample to the air earlier to composition to in the air detects, and current sampling device generally detects the air of a certain height, probably makes the result of detection less accurate, and can only get a sample at every turn, can not take a sample many times simultaneously, if want to take a sample many times, the operation is comparatively loaded down with trivial details, for this reason, provides a sampling mechanism for empty gas detection surveys, solves above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art and detecting the air of a certain height, probably make the comparatively unsafe problem of testing result, and the sampling mechanism for empty gas detection who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sampling mechanism for air detection comprises a loop-shaped frame, wherein a supporting plate is fixedly connected to the rear end of the loop-shaped frame, a motor is fixedly connected to the front end of the supporting plate, a placing plate is sleeved on the vertical part of the loop-shaped frame in a sliding mode, two lifting parts are fixedly connected to the lower end of the placing plate, the two lifting parts are in transmission connection, the rear end of the lifting part on the left side is fixedly connected with the tail end of a driving shaft of the motor, the rear end of the lifting part on the right side is rotatably arranged on the side wall of the front end of the supporting plate, a plurality of sampling parts are fixedly connected to the upper end of the placing plate, the upper ends of the sampling parts are fixedly connected with the top surface of the loop-shaped frame, the air outlet ends of the sampling parts are arranged in a sliding mode in a penetrating mode through the placing plate and communicated with a connecting pipe, the air outlet end of the connecting pipe is, it is a plurality of sample parts's top surface all communicates and is equipped with the part of giving vent to anger, and it is to explain that, the setting of this mechanism can carry out sampling operation with sample limit ascending limit for the air of a plurality of heights can both gather in the same sample box, thereby has improved air content detection's accuracy effectively, and the multiunit sample goes on simultaneously, and is easy and simple to handle, also can go the average value of multiunit data, so that the testing result is more accurate.

Preferably, the lifting unit is including fixed the rack board that sets up in placing the board lower extreme, the meshing has the gear on the rack board, the gear internal fixation runs through and is equipped with the dwang, coaxial fixedly connected with belt pulley on the dwang, two the transmission is connected between the belt pulley, is located the left the rear end of dwang and the terminal fixed connection of output shaft of motor are located right-hand the rear end of dwang is rotated and is set up on the front end lateral wall of backup pad, what need explain, lifting unit's setting can drive a plurality of sampling unit limit and go up the operation of taking a sample.

Preferably, the sampling part sets up in placing the sampling case of board upper end including fixed, sliding seal is equipped with the piston board in the sampling case, the upper end fixedly connected with of piston board slides the push rod that runs through the setting of sampling case top surface, the upper end of push rod and the top surface fixed connection who returns the type frame, the top surface intercommunication of sampling case is equipped with the intake pipe, install first one-way pressure valve in the intake pipe, the part intercommunication of giving vent to anger sets up in the top surface of sampling case, the bottom intercommunication of sampling case is equipped with first bellows, the end of giving vent to anger of first bellows slides and runs through and places the board setting and be linked together with the connecting pipe, what need explain, the setting of sampling part can accomplish the sampling operation to the air, and can act on the motor with the air originally in the sampling case, the operation of cooling down is carried out.

Preferably, the air outlet part comprises a second corrugated pipe communicated with the top surface of the sampling box, a second one-way pressure valve is mounted on the second corrugated pipe, and it should be noted that the air outlet part can convey sampled air to the detection device so as to detect air components.

Preferably, the connecting pipe is arranged obliquely, and it should be noted that the oblique arrangement of the connecting pipe is convenient for gas to be sprayed onto the motor along the inner wall of the connecting pipe.

Preferably, the lower extreme fixedly connected with two locking universal wheels of returning the type frame, it should be said that, the setting of two locking universal wheels is convenient for remove whole mechanism for this mechanism can carry out the sample operation to the air in different places.

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

1. the utility model discloses a setting of lifting unit and sampling unit can carry out the sample operation with the limit that rises of sample article for the air of a plurality of heights can both be gathered in same sample case, thereby has improved air content detection's accuracy effectively.

2. The utility model discloses a setting of a plurality of sampling parts, and the multiunit sample goes on simultaneously, and is easy and simple to handle, also can go the average value of multiunit data to make the testing result more accurate.

3. The utility model discloses a setting of lifting unit and sample part can act on the motor with the air originally in the sample case, to the operation of cooling down of the motor in work, has avoided the motor to damage because overheated in the course of the work effectively.

Drawings

Fig. 1 is a front perspective view of a sampling mechanism for air detection according to the present invention;

fig. 2 is a top view of two lifting components in a sampling mechanism for air detection according to the present invention;

fig. 3 is a front perspective view of a sampling part of a sampling mechanism for air detection according to the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 1.

In the figure: 1-turn frame, 2 support plates, 3 motors, 4 placing plates, 5 lifting parts, 6 sampling parts, 7 connecting pipes, 8 air outlet parts, 9 rack plates, 10 gears, 11 rotating rods, 12 belt pulleys, 13 sampling boxes, 14 piston plates, 15 push rods, 16 air inlet pipes, 17 first one-way pressure valves, 18 first corrugated pipes, 19 second corrugated pipes and 20 second one-way pressure valves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a sampling mechanism for air detection comprises a back-shaped frame 1, a supporting plate 2 is fixedly connected to the back end of the back-shaped frame 1, a motor 3 is fixedly connected to the front end of the supporting plate 2, a placing plate 4 is slidably sleeved on the vertical portion of the back-shaped frame 1, two lifting components 5 are fixedly connected to the lower end of the placing plate 4, the two lifting components 5 are in transmission connection, the back end of the left lifting component 5 is fixedly connected to the end of a driving shaft of the motor 3, the back end of the right lifting component 5 is rotatably arranged on the side wall of the front end of the supporting plate 2, a plurality of sampling components 6 are fixedly connected to the upper end of the placing plate 4, the upper ends of the plurality of sampling components 6 are fixedly connected to the top surface of the back-shaped frame 1, the air outlet ends of the plurality of sampling components 6 are all slidably arranged through the placing plate 4 and, fixedly connected with gag lever post between the lower extreme of connecting pipe 7 and the bottom of returning type frame 1, the top surface of a plurality of sampling component 6 all communicates and is equipped with air outlet part 8, and wherein, connecting pipe 7 slope sets up, wherein, returns two locking universal wheels of lower extreme fixedly connected with of type frame 1.

Wherein, the lifting unit 5 is including fixed setting up in the rack plate 9 of placing 4 lower extremes of board, and the meshing has gear 10 on the rack plate 9, and the gear 10 internal fixation runs through and is equipped with dwang 11, coaxial fixedly connected with belt pulley 12 on the dwang 11, and the transmission is connected between two belt pulleys 12, is located the rear end of left dwang 11 and the terminal fixed connection of output shaft of motor 3, and the rear end that is located right dwang 11 rotates and sets up on the front end lateral wall of backup pad 2.

Wherein, sampling part 6 is including fixed setting up in placing sampling case 13 of board 4 upper end, sliding seal is equipped with piston plate 14 in sampling case 13, the upper end fixedly connected with of piston plate 14 slides and runs through push rod 15 that sampling case 13 top surface set up, the upper end of push rod 15 and the top surface fixed connection who returns type frame 1, the top surface intercommunication of sampling case 13 is equipped with intake pipe 16, install first one-way pressure valve 17 on the intake pipe 16, gas outlet part 8 intercommunication sets up in the top surface of sampling case 13, the bottom intercommunication of sampling case 13 is equipped with first bellows 18, the gas outlet end of first bellows 18 slides and runs through and places board 4 setting and be linked together with connecting pipe 7, wherein, gas outlet part 8 sets up the second bellows 19 in sampling case 13 top surface including the intercommunication, install second one-way pressure valve 20 on the second bellows 19.

It should be explained that, as shown in fig. 1, the front schematic view of the frame 1 is in a frame-shaped configuration; the supporting plate 2 is fixedly arranged on the side wall of the rear end of the vertical part; the positional relationship of the placing plate 4 and the frame 1 is shown in fig. 1; the motor 3 is a servo motor, an output shaft of the servo motor can rotate in a forward direction and a reverse direction, and the working principle of the motor 3 is the prior art and is not described herein; two columns in the vertical part of the frame 1 are arranged to penetrate through the placing plate 4 in a sliding manner, and the penetrating parts are attached to the placing plate 4, so that the placing plate 4 is prevented from being unstable in the lifting process; the limiting rod is arranged to limit the position of the connecting pipe 7, so that the first corrugated pipe 18 extends in the process of lifting the placing plate 4, the position of the connecting pipe 7 cannot move, and the limiting rod also has a supporting function on the connecting pipe 7; one end of the rack plate 9 with teeth is meshed with the gear 10, and the rotation of the gear 10 drives the rack plate 9 to move; the two belt pulleys 12 are in transmission connection through a belt; the push rod 15 is slidably disposed through the top surface of the sampling box 13, and a sealing ring (not shown) is disposed at the penetrating position thereof to maintain the sealing property in the sampling box 13, so that the first check pressure valve 17 or the second check pressure valve 20 can be opened by the change of the air pressure in the sampling box 13 for sampling or detecting operation; the first one-way pressure valve 17 is arranged such that when the sampling box 13 ascends, the piston plate 14 descends relative to the sampling box 13, and the air pressure in the sampling box 13 above the piston plate is reduced, so that the first one-way pressure valve 17 is opened, external air enters the sampling box 13 through the air inlet pipe 16, and the air in the sampling box 13 does not flow out to the outside through the air inlet pipe 16; the second one-way pressure valve 20 is arranged such that when the sampling box 13 descends, the piston plate 14 ascends relative to the sampling box 13, the air pressure in the sampling box 13 increases, so that the second one-way pressure valve 20 opens, and the gas collected in the sampling box 13 can enter the detection device (not shown) through the second bellows 19 without flowing back from the detection device to the sampling box 13; the first corrugated pipe 18 has elasticity, and is arranged to stretch in coordination with the lifting of the placing plate 4 so as to keep the position of the connecting pipe 7 unchanged, so that the cooling effect on the motor 3 is not affected; the second bellows 19 is flexible and can extend the second bellows 19 to facilitate the gas in the sampling box 13 to be introduced into the detection device; the connecting pipe 7 is obliquely arranged so that gas can be conveniently sprayed onto the motor 3 along the inner wall of the connecting pipe; the arrangement of the two locking universal wheels is convenient for moving the whole mechanism to a position which is desired to be reached, and the mechanism is fixed at the position so as to carry out sampling operation, and the structure and the working principle of the locking universal wheels are the prior art and are not described in detail herein.

The utility model discloses in, when needs carry out sampling operation, at first promote this mechanism in certain position, then utilize the locking universal wheel to fix it, then open motor 3, motor 3's output shaft forward rotates, it rotates to drive dwang 11, dwang 11 drives gear 10 and rotates, gear 10's rotation drives rack plate 9 and rises the operation, rack plate 9 drives and places board 4 and rises, it drives a plurality of sampling cases 13 and rises to place board 4, polylith piston plate 14 descends for corresponding sampling case 13, make sampling case 13 internal gas pressure of piston plate 14 top reduce, and then make first one-way pressure valve 17 open, external gas passes through intake pipe 16 and enters into to sampling case 13 in, after having collected gas, stop motor 3's function can.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The sampling mechanism for the air detection comprises a loop-shaped frame (1), and is characterized in that a supporting plate (2) is fixedly connected to the rear end of the loop-shaped frame (1), a motor (3) is fixedly connected to the front end of the supporting plate (2), a placing plate (4) is sleeved on the vertical part of the loop-shaped frame (1) in a sliding manner, two lifting components (5) are fixedly connected to the lower end of the placing plate (4), the two lifting components (5) are connected in a transmission manner, the rear end of the lifting component (5) on the left side is fixedly connected with the tail end of a driving shaft of the motor (3), the rear end of the lifting component (5) on the right side is rotatably arranged on the side wall of the front end of the supporting plate (2), a plurality of sampling components (6) are fixedly connected to the upper end of the placing plate (4), and the upper ends of the sampling components (6) are fixedly connected with the top surface of, it is a plurality of the end of giving vent to anger of sample part (6) all slides and runs through and places board (4) setting and intercommunication and be equipped with connecting pipe (7), the end of giving vent to anger of connecting pipe (7) just sets up motor (3), fixedly connected with gag lever post, a plurality of between the lower extreme of connecting pipe (7) and the bottom of returning type frame (1) the top surface of sample part (6) all communicates and is equipped with out gas part (8).

2. The sampling mechanism for the air detection according to claim 1, characterized in that the lifting component (5) comprises a rack plate (9) fixedly arranged at the lower end of the placing plate (4), a gear (10) is meshed on the rack plate (9), a rotating rod (11) is arranged in the gear (10) in a penetrating mode, a belt pulley (12) is coaxially and fixedly connected to the rotating rod (11), two belt pulleys (12) are connected in a transmission mode and located on the left side, the rear end of the rotating rod (11) is fixedly connected with the tail end of an output shaft of the motor (3), and the rear end of the rotating rod (11) is rotatably arranged on the side wall of the front end of the supporting plate (2).

3. The sampling mechanism for air detection according to claim 1, wherein the sampling member (6) comprises a sampling box (13) fixedly disposed at an upper end of the placing plate (4), a piston plate (14) is arranged in the sampling box (13) in a sliding sealing manner, the upper end of the piston plate (14) is fixedly connected with a push rod (15) which penetrates through the top surface of the sampling box (13) in a sliding manner, the upper end of the push rod (15) is fixedly connected with the top surface of the back-shaped frame (1), the top surface of the sampling box (13) is communicated with an air inlet pipe (16), the air inlet pipe (16) is provided with a first one-way pressure valve (17), the air outlet part (8) is communicated with the top surface of the sampling box (13), the bottom of the sampling box (13) is communicated with a first corrugated pipe (18), and the air outlet end of the first corrugated pipe (18) penetrates through the placing plate (4) in a sliding mode and is communicated with the connecting pipe (7).

4. The sampling mechanism for air detection according to claim 3, wherein the air outlet part (8) comprises a second corrugated pipe (19) communicated with the top surface of the sampling box (13), and a second one-way pressure valve (20) is installed on the second corrugated pipe (19).

5. The sampling mechanism for air detection according to claim 1, wherein the connection pipe (7) is disposed obliquely.

6. The sampling mechanism for air detection according to claim 1, characterized in that two locking universal wheels are fixedly connected to the lower end of the frame (1).