CN215894141U - Even sampling device of smoke detection usefulness - Google Patents
Even sampling device of smoke detection usefulness Download PDFInfo
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- CN215894141U CN215894141U CN202121599104.0U CN202121599104U CN215894141U CN 215894141 U CN215894141 U CN 215894141U CN 202121599104 U CN202121599104 U CN 202121599104U CN 215894141 U CN215894141 U CN 215894141U
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Abstract
The utility model discloses a uniform sampling device for smoke detection, which comprises a piston cylinder, an air storage box, a sampling pipeline and a sampling head, wherein the piston cylinder is connected with the air storage box; a piston which slides vertically is arranged in the piston cylinder, a vertical screw rod is connected above the piston, a first gear which rotates horizontally is arranged at the top of the piston cylinder, a screw hole is arranged at the center of the first gear, and the screw hole is in threaded connection and matching with the screw rod; one side of the lower end of the piston cylinder is communicated with the interior of the air storage box through an air conveying pipeline, and a first air pipeline one-way valve is arranged on the air conveying pipeline; the other side of the lower end of the piston cylinder is communicated with a sampling pipeline, and a second gas circuit one-way valve is arranged on the sampling pipeline; the air inlet end of the sampling pipeline is provided with a connecting pipe, and the connecting pipe is horizontally and rotatably connected with the sampling head; the outside of sampling head is provided with the second gear, and second gear and first gear transmission are connected. The utility model can uniformly collect flue gas samples and improve the flue gas detection precision.
Description
Technical Field
The utility model relates to the technical field of smoke detection, in particular to a uniform sampling device for smoke detection.
Background
Flue gas is a mixture of gas and smoke dust and is the main cause of atmospheric pollution in residential areas. In order to control and treat the flue gas, sampling detection is needed to be carried out on the flue gas. Traditional flue gas sampling device is when taking a sample, and its sampling head can only face a direction, can't gather the flue gas in each position, is difficult to do the uniform sampling, and then has influenced the precision of smoke detection, remains to improve.
Disclosure of Invention
The purpose of the utility model is as follows: in order to overcome the defects in the prior art, the utility model provides the uniform sampling device for flue gas detection, which can uniformly collect flue gas samples and improve the flue gas detection precision.
The technical scheme is as follows: in order to achieve the purpose, the uniform sampling device for smoke detection comprises a piston cylinder, an air storage box, a sampling pipeline and a sampling head; a piston which slides vertically is arranged in the piston cylinder, a vertical screw rod is connected above the piston, a first gear which rotates horizontally is arranged at the top of the piston cylinder, a screw hole is arranged at the center of the first gear, and the screw hole is in threaded connection and matching with the screw rod; one side of the lower end of the piston cylinder is communicated with the interior of the air storage box through an air conveying pipeline, and a first air pipeline one-way valve is arranged on the air conveying pipeline; the other side of the lower end of the piston cylinder is communicated with the sampling pipeline, and a second gas path one-way valve is arranged on the sampling pipeline; the air inlet end of the sampling pipeline is provided with a connecting pipe, and the connecting pipe is horizontally and rotatably connected with the sampling head; and a second gear is arranged on the outer side of the sampling head and is in transmission connection with the first gear.
Further, the sampling head comprises a standpipe; the lower end of the vertical pipe is communicated with the connecting pipe, two transverse pipes are symmetrically arranged at the upper end of the vertical pipe, a vertical plate is arranged at the outer end of each transverse pipe, the outer side face of each vertical plate is an arc-shaped face, the circle center of each arc-shaped face falls on the rotating axis of the sampling head, and a plurality of gas collection holes are uniformly formed in each arc-shaped face.
Further, top one side of screw rod is provided with the motor, the output shaft level of motor sets up, the tip of output shaft is provided with first montant, first montant rotates with the one end of second montant to be connected, the other end of second montant with the upper end of screw rod is rotated and is connected.
Further, the screw rod is in vertical sliding fit with an upper cylinder opening of the piston cylinder; the screw rod is provided with a vertical guide groove, and the upper barrel opening is provided with a vertical guide block.
Furthermore, the piston cylinder and the air storage tank are fixed on a bottom plate, and an inner support and an outer support are arranged on the bottom plate; the connecting pipe is vertically fixed on the inner support, a transition gear is further arranged on the inner support, and two sides of the transition gear are respectively meshed with the first gear and the second gear; the motor is fixed on the outer support, and a first vertical guide cylinder and a second vertical guide cylinder are arranged on the outer support; the first guide cylinder is in vertical sliding fit with the screw, and the second guide cylinder is in horizontal rotating fit with the vertical pipe.
Further, a moving wheel is arranged below the bottom plate.
Has the advantages that: according to the uniform sampling device for flue gas detection, the motor drives the screw rod and the piston to vertically reciprocate, the piston sends a flue gas sample into the gas storage tank through the sampling pipeline and the gas transmission pipeline, the screw rod drives the first gear to rotate through threaded connection matching in the vertical movement process, the first gear drives the second gear outside the sampling head to rotate through the transition gear, and further the sampling head is driven to horizontally reciprocate in the flue gas collection process, so that the sampling head can uniformly sample flue gas in all directions, and the precision of flue gas detection is improved.
Drawings
FIG. 1 is a schematic plan view of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
fig. 3 is a schematic view of the first gear and the screw.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The uniform sampling device for smoke detection as shown in the attached figures 1 to 3 comprises a piston cylinder 1, an air storage tank 2, a sampling pipeline 3 and a sampling head 4.
As shown in the attached drawing 1, the lower extreme one side of the piston cylinder 1 pass through the gas transmission pipeline 9 with the inside intercommunication of gas storage tank 2, just be provided with first gas circuit check valve 10 on the gas transmission pipeline 9, the lower extreme opposite side of the piston cylinder 1 with the sample pipeline 3 is linked together, be provided with second gas circuit check valve 11 on the sample pipeline 3, the setting of first gas circuit check valve 10 and second gas circuit check valve 11 can prevent that the flue gas from flowing backwards, ensures that external flue gas gets into in the gas storage tank 2 through sampling head 4, sample pipeline 3, piston cylinder 1 and gas transmission pipeline 9 in proper order.
The air inlet end of sample pipeline 3 is provided with connecting pipe 12, the vertical setting of connecting pipe 12, and connecting pipe 12 is the stereoplasm body, connecting pipe 12 with sample head 4 level rotates to be connected, just connecting pipe 12 with the junction rotary seal setting of sample head 4. And a second gear 13 is arranged on the outer side of the sampling head 4, and the second gear 13 is in transmission connection with the first gear 7. When the screw 6 moves vertically, the sampling head 4 is driven by the first gear 7 and the second gear 13 to rotate horizontally, so that the sampling head 4 can uniformly sample the smoke in all directions.
As shown in fig. 2, the sampling head 4 includes a standpipe 14. The lower end of the vertical pipe 14 is communicated with the connecting pipe 12, and the lower end of the vertical pipe 14 is also horizontally and rotatably connected with the connecting pipe 12. Two horizontal pipes 15 are symmetrically arranged at the upper end of the vertical pipe 14, a vertical plate 16 is arranged at the outer end of each horizontal pipe 15, the outer side surface of each vertical plate 16 is an arc-shaped surface 17, the circle center of each arc-shaped surface 17 falls on the rotation axis of the sampling head 4, a plurality of gas collection holes 18 are uniformly formed in each arc-shaped surface 17, the vertical plates 16 and the gas collection holes 18 are arranged to enable the sampling heads 4 to collect flue gas samples more uniformly, and flue gas entering from the gas collection holes 18 sequentially passes through the horizontal pipes 15 and the vertical pipes 14 and enters the connecting pipes 12.
The utility model discloses a screw rod 6, including screw rod 6, top one side is provided with motor 19, the output shaft 20 level of motor 19 sets up, the tip of output shaft 20 is provided with first montant 21, first montant 21 rotates with the one end of second montant 22 to be connected, the other end of second montant 22 with the upper end of screw rod 6 rotates to be connected. When the motor 19 is started, the screw rod 6 is driven to vertically reciprocate by the first vertical rod 21 and the second vertical rod 22.
The screw rod 6 is vertically matched with the upper opening 23 of the piston cylinder 1 in a sliding manner. The screw 6 is provided with a vertical guide groove 24, the upper barrel opening 23 is provided with a vertical guide block 25, and the screw 6 can be prevented from rotating due to the cooperation of the vertical guide block 25 and the vertical guide groove 24, so that the motion stability of the screw 6 is improved.
The piston cylinder 1 and the air storage tank 2 are both fixed on a bottom plate 26, and an inner support 27 and an outer support 28 are arranged on the bottom plate 26.
The connecting pipe 12 is vertically fixed on the inner support 27, and a circular hoop for fixing the connecting pipe 12 is arranged on the inner support 27. The inner bracket 27 is further provided with a transition gear 29, two sides of the transition gear 29 are respectively meshed with the first gear 7 and the second gear 13, and the transition gear 19 drives the second gear 13 to rotate when the first gear 7 rotates.
The motor 19 is fixed on the outer bracket 28, and a first guide cylinder 30 and a second guide cylinder 31 which are vertical are arranged on the outer bracket 28. The first guide cylinder 30 is in vertical sliding fit with the screw 6, and the second guide cylinder 31 is in horizontal rotating fit with the vertical pipe 14, so that the stability caused by the movement of the screw 6 and the vertical pipe 14 is improved.
The moving wheels 32 are arranged below the bottom plate 26, so that the whole sampling device is convenient to move.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (6)
1. The utility model provides an even sampling device of smoke detection usefulness which characterized in that: comprises a piston cylinder (1), an air storage tank (2), a sampling pipeline (3) and a sampling head (4);
a vertically sliding piston (5) is arranged in the piston cylinder (1), a vertical screw rod (6) is connected above the piston (5), a first gear (7) which horizontally rotates is arranged at the top of the piston cylinder (1), a screw hole (8) is arranged at the center of the first gear (7), and the screw hole (8) is in threaded connection and matching with the screw rod (6);
one side of the lower end of the piston cylinder (1) is communicated with the interior of the air storage box (2) through an air transmission pipeline (9), and a first air path one-way valve (10) is arranged on the air transmission pipeline (9); the other side of the lower end of the piston cylinder (1) is communicated with the sampling pipeline (3), and a second gas path one-way valve (11) is arranged on the sampling pipeline (3);
a connecting pipe (12) is arranged at the air inlet end of the sampling pipeline (3), and the connecting pipe (12) is horizontally and rotatably connected with the sampling head (4); the outer side of the sampling head (4) is provided with a second gear (13), and the second gear (13) is in transmission connection with the first gear (7).
2. The uniform sampling device for flue gas detection according to claim 1, wherein: the sampling head (4) comprises a standpipe (14); the lower end of the vertical pipe (14) is communicated with the connecting pipe (12), two transverse pipes (15) are symmetrically arranged at the upper end of the vertical pipe (14), a vertical plate (16) is arranged at the outer end of each transverse pipe (15), the outer side face of each vertical plate (16) is an arc-shaped face (17), the circle center of each arc-shaped face (17) falls on the rotating axis of the sampling head (4), and a plurality of gas collection holes (18) are uniformly formed in each arc-shaped face (17).
3. The uniform sampling device for flue gas detection according to claim 2, wherein: top one side of screw rod (6) is provided with motor (19), the output shaft (20) level setting of motor (19), the tip of output shaft (20) is provided with first montant (21), first montant (21) is rotated with the one end of second montant (22) and is connected, the other end of second montant (22) with the upper end of screw rod (6) is rotated and is connected.
4. The uniform sampling device for flue gas detection according to claim 3, wherein: the screw rod (6) is in vertical sliding fit with an upper cylinder opening (23) of the piston cylinder (1); the screw rod (6) is provided with a vertical guide groove (24), and a vertical guide block (25) is arranged at the upper cylinder opening (23).
5. The uniform sampling device for flue gas detection according to claim 4, wherein: the piston cylinder (1) and the air storage tank (2) are fixed on a bottom plate (26), and an inner support (27) and an outer support (28) are arranged on the bottom plate (26);
the connecting pipe (12) is vertically fixed on the inner support (27), a transition gear (29) is further arranged on the inner support (27), and two sides of the transition gear (29) are respectively meshed with the first gear (7) and the second gear (13);
the motor (19) is fixed on the outer support (28), and a first guide cylinder (30) and a second guide cylinder (31) which are vertical are arranged on the outer support (28); the first guide cylinder (30) is in vertical sliding fit with the screw (6), and the second guide cylinder (31) is in horizontal rotating fit with the vertical pipe (14).
6. The uniform sampling device for flue gas detection according to claim 5, wherein: and a moving wheel (32) is arranged below the bottom plate (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121599104.0U CN215894141U (en) | 2021-07-14 | 2021-07-14 | Even sampling device of smoke detection usefulness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121599104.0U CN215894141U (en) | 2021-07-14 | 2021-07-14 | Even sampling device of smoke detection usefulness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215894141U true CN215894141U (en) | 2022-02-22 |
Family
ID=80501164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121599104.0U Active CN215894141U (en) | 2021-07-14 | 2021-07-14 | Even sampling device of smoke detection usefulness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215894141U (en) |
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2021
- 2021-07-14 CN CN202121599104.0U patent/CN215894141U/en active Active
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Address after: 250000 east side of the second floor of workshop 2, No. 5488, Hehua Road, Lingang street, high tech Zone, Jinan City, Shandong Province Patentee after: Yiming Testing Technology Service (Jinan) Co.,Ltd. Address before: 250000 east side of the second floor of workshop 2, No. 5488, Hehua Road, Lingang street, high tech Zone, Jinan City, Shandong Province Patentee before: SHANDONG TAINUO DETECTION TECHNOLOGY Co.,Ltd. |