CN217483936U - Sampling device for gasoline detection - Google Patents

Abstract

The utility model discloses a sampling device for gasoline detection, relating to the technical field of sampling equipment, which comprises a shell, a placing plate is fixedly arranged on the inner wall of the shell, a plurality of containing bottles which are arranged at equal intervals are placed on the upper surface of the placing plate, a sampling tube is fixedly arranged in the shell, a first conduit is fixedly connected with the right output end of the sampling tube, the inner wall of the sampling tube is connected with a piston in a sliding way, and a speed reducing motor is fixedly arranged inside the shell, when the proximity plate is close to the first proximity switch, the first proximity switch sends an electrical signal to the controller, the speed reducing motor is controlled by the controller, the speed reducing motor drives the output shaft to rotate in the positive direction, the piston is controlled to move towards the left side by the speed reducing motor, therefore, the gasoline in the oil tank can be stably pumped, the quantity pumped every time is fixed, and the same sample quantity collected in each accommodating bottle can be ensured.

Description

Sampling device for gasoline detection

Technical Field

The utility model relates to a sampling equipment technical field especially relates to a sampling device is used in petrol detection.

Background

The gasoline is transparent liquid, and has main components of C4-C12 aliphatic hydrocarbon and cyclic hydrocarbon and small amount of aromatic hydrocarbon and sulfide. The oil product detection center has two main evaluation indexes for judging whether gasoline is good or not: distillation range and octane number, wherein the distillation range reflects the evaporability of gasoline and the octane number reflects the antiknock property. In addition, items to be detected are as follows: mercaptan, sulfur content, actual colloid, copper sheet corrosion, water-soluble acid or alkali, mechanical impurities and moisture, aromatic hydrocarbon content, olefin content, metal ions such as manganese, lead, iron and the like. The related instrument comprises: octane number determinator, plasma emission spectrometer, atomic absorption spectrometer, liquid chromatograph, gas chromatograph, automatic trace sulfur/chlorine analyzer, and infrared spectrometer.

Before gasoline detection, gasoline to be detected needs to be sampled, Chinese patent document with publication number CN212275338U discloses a sampling device for gasoline detection, which records that 'the sampling device comprises a mounting seat, one side of the mounting seat is provided with a sampling cavity, two connecting blocks fixedly arranged on the sampling cavity are arranged between the sampling cavity and the mounting seat, a slide bar is rotatably connected between the two connecting blocks, a slide block is slidably connected on the slide bar, and the slide block is fixedly connected with one end of one side surface of the mounting seat', the utility model can randomly adjust the front and back positions of the sampling cavity by slidably arranging the sampling device on the slide bar, thereby extracting gasoline with different depths and detecting the gasoline, and the sampling operation process is fast and simple, and when the cam rotates to extract the gasoline, the rotating bar drives an impurity removing sheet to rotate to pull out impurities mixed on the surface layer of the gasoline, the accuracy of the detection data is improved.

However, the above device combined with the prior art still has the following defects or problems: the utility model discloses a gasoline sampling device, including gasoline sampling device, sample suction chamber, sampling chamber, the first, above-mentioned gasoline sampling device simple structure, the function singleness needs artifical manual rotation knob to with sample suction sample chamber, its two, the sample volume that above-mentioned gasoline sampling device can't guarantee to take a sample each time is the same.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sampling device for gasoline detection.

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

a sampling device for gasoline detection comprises a shell, wherein a placing plate is fixedly mounted on the inner wall of the shell, a plurality of containing bottles which are arranged at equal intervals are placed on the upper surface of the placing plate, a sampling tube is fixedly mounted in the shell, a first guide tube is fixedly connected to the output end of the right side of the sampling tube, a piston is connected to the inner wall of the sampling tube in a sliding manner, a speed reducing motor is fixedly mounted in the shell, an output end of the speed reducing motor is fixedly connected with an output shaft, the output shaft is connected with a rotating shaft through bevel gear transmission, a rotating disc is fixedly sleeved at one end of the rotating shaft, a raised head is fixedly connected to the other side of the rotating disc, a moving frame is connected to the outer wall of the raised head in a sliding manner, a push rod is fixedly connected to the outer wall of the moving frame, and the other end of the push rod is fixedly connected with the outer wall of the piston;

the utility model discloses a sampling tube, including first pipe, first guide pipe, the output fixedly connected with second pipe, the output fixed mounting of second pipe has the solenoid valve that a plurality of equidistance were arranged the material, the output fixedly connected with third pipe of solenoid valve, the top inner wall of shell is provided with the gasbag, one side outer wall fixedly connected with movable plate of gasbag, the equal sliding connection in both sides of movable plate has the second slide bar, the left side output fixedly connected with intake pipe of sampling tube, the outer wall fixed mounting of intake pipe has the third check valve, the other end of intake pipe and the input fixed connection of gasbag, the output fixedly connected with blast pipe of gasbag, the outer wall fixed mounting of intake pipe has the second check valve, the other end of blast pipe and the left side input fixed connection of sampling tube.

Preferably, the other end of first pipe runs through and extends to the outside of shell, the outer wall fixed mounting of first pipe has first check valve, and first check valve can avoid the phenomenon that flows backward into the oil tank to appear in the petrol of sampling tube internal extraction.

Preferably, the both ends of removing the frame are all sliding connection has first slide bar, the one end of first slide bar and the inner wall fixed connection of shell, the other end of first slide bar and the inner wall fixed connection of sampling tube can improve the stability that removes the frame through the design of first slide bar and remove.

Preferably, the left side output end fixedly connected with pressure release pipe of sampling tube, the other end of pressure release pipe runs through and extends to the outside of shell, the fixed gag that has cup jointed of extension end of pressure release pipe.

Preferably, a fixing plate is fixedly mounted on the inner wall of the housing, the output end of the third conduit penetrates through and extends to the other side of the fixing plate, the extending end of the third conduit corresponds to the top opening of the containing bottle, and the fixing plate is used for fixing the third conduit.

Preferably, one side outer wall fixed mounting of movable plate has the proximity board, the top outer wall of second slide bar is provided with the sleeve, go up telescopic outer wall fixed mounting has first proximity switch, the bottom outer wall of second slide bar is provided with the lower sleeve, telescopic outer wall fixed mounting has the second proximity switch down, first proximity switch, second proximity switch, proximity board are with same vertical plane.

Preferably, go up sleeve, lower sleeve all with second slide bar sliding connection, the equal threaded connection set screw of outer wall of going up sleeve, lower sleeve, set screw's the other end all contacts with the outer wall of second slide bar, loosens the set screw of going up sleeve and lower sleeve department, and the position of going up sleeve and lower sleeve can be adjusted to the inflation degree of adjustment gasbag, thereby the petrol volume of extraction at every turn in the adjustment sampling pipe through the inflation degree of gasbag.

Preferably, the top inner wall fixed mounting of shell has the controller, solenoid valve, first proximity switch, second proximity switch all with controller electric connection, controller and gear motor electric connection.

The beneficial effects of the utility model are that:

1. the utility model discloses in, start through controller control gear motor, gear motor drives the output shaft and rotates, the output shaft passes through bevel gear drive axis of rotation and rotates, the axis of rotation drives the carousel and rotates, the carousel passes through the plush copper and drives removal frame horizontal migration, it drives piston horizontal migration through the push rod to remove the frame, petrol is inhaled in the sample tube when the piston moves toward the left side, when the piston moves toward the right side, open with the solenoid valve that accepts the bottle and correspond, other solenoid valves are closed, petrol passes through the second pipe, the solenoid valve, the third pipe is discharged in the accepting the bottle, thereby accomplish the sample, the automation degree is high, do not need artifical manual extraction.

2. In the utility model, when the piston moves to the left side, the air in the sampling tube enters the air bag through the air inlet pipe, the air bag expands, the air bag drives the movable plate to move downwards, the movable plate drives the approach plate to move downwards, when the approach plate is close to the second approach switch, the second approach switch sends an electric signal to the controller, the speed reduction motor is controlled by the controller, the speed reduction motor drives the output shaft to rotate reversely, the piston moves to the right side through the speed reduction motor, the air in the air bag enters the sampling tube through the exhaust pipe, at the moment, the air bag contracts, the air bag drives the movable plate to move upwards, the movable plate drives the approach plate to move upwards, when the approach plate is close to the first approach switch, the first approach switch sends the electric signal to the controller, the speed reduction motor is controlled by the controller, the speed reduction motor drives the output shaft to rotate forwards, the piston moves to the left side through the speed reduction motor, therefore, the gasoline in the oil tank can be stably extracted, the extraction amount is fixed every time, and the same sample amount collected in each accommodating bottle can be ensured.

Drawings

Fig. 1 is the structure schematic diagram of the sampling device for gasoline detection of the present invention.

Fig. 2 is the structure schematic diagram of the turntable, the raised head and the moving frame of the sampling device for gasoline detection of the present invention.

Fig. 3 is a schematic view of a partial structure at a position a in fig. 1 of a sampling device for gasoline detection according to the present invention.

Fig. 4 is a schematic view of a partial structure at B in fig. 1 of a sampling device for gasoline detection according to the present invention.

Reference numbers in the figures: 1. a housing; 2. placing a plate; 3. a receiving bottle; 4. a sampling tube; 5. a first conduit; 6. a piston; 7. a reduction motor; 8. an output shaft; 9. a rotating shaft; 10. a turntable; 11. a raised head; 12. moving the frame; 13. a push rod; 14. a first slide bar; 15. a controller; 16. a pressure relief pipe; 17. a first check valve; 18. a second conduit; 19. an electromagnetic valve; 20. a third conduit; 21. a fixing plate; 22. an air bag; 23. moving the plate; 24. an exhaust pipe; 25. a second one-way valve; 26. an air inlet pipe; 27. a third check valve; 28. a second slide bar; 29. an upper sleeve; 30. a lower sleeve; 31. a first proximity switch; 32. a second proximity switch; 33. close to the plate.

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.

Example (b):

as shown in figures 1 to 4:

a sampling device for gasoline detection comprises a shell 1, wherein a placing plate 2 is fixedly installed on the inner wall of the shell 1, a plurality of containing bottles 3 which are arranged at equal intervals are placed on the upper surface of the placing plate 2, a sampling tube 4 is fixedly installed inside the shell 1, a first guide tube 5 is fixedly connected to the right side output end of the sampling tube 4, a piston 6 is slidably connected to the inner wall of the sampling tube 4, a speed reducing motor 7 is fixedly installed inside the shell 1, an output end of the speed reducing motor 7 is fixedly connected with an output shaft 8, the output shaft 8 is connected with a rotating shaft 9 through bevel gear transmission, a turntable 10 is fixedly sleeved at one end of the rotating shaft 9, a raised head 11 is fixedly connected to the other side of the turntable 10, the outer wall of the raised head 11 is slidably connected with a moving frame 12, a push rod 13 is fixedly connected to the outer wall of the moving frame 12, and the other end of the push rod 13 is fixedly connected with the outer wall of the piston 6;

the output end fixedly connected with second pipe 18 of first pipe 5, the output end fixed mounting of second pipe 18 has the solenoid valve 19 that a plurality of equidistance were arranged the material, the output end fixedly connected with third pipe 20 of solenoid valve 19, the top inner wall of shell 1 is provided with gasbag 22, one side outer wall fixedly connected with movable plate 23 of gasbag 22, the equal sliding connection in both sides of movable plate 23 has second slide bar 28, the left side output end fixedly connected with intake pipe 26 of sampling tube 4, the outer wall fixed mounting of intake pipe 26 has third check valve 27, the other end of intake pipe 26 and the input fixed connection of gasbag 22, the output fixedly connected with blast pipe 24 of gasbag 22, the outer wall fixed mounting of intake pipe 26 has second check valve 25, the other end of blast pipe 24 and the left side input fixed connection of sampling tube 4.

a. The other end of first pipe 5 runs through and extends to the outside of shell 1, and the outer wall fixed mounting of first pipe 5 has first check valve 17, and first check valve 17 can avoid the phenomenon that flows backward into the oil tank to the petrol of extraction in the sampling tube 4 to appear.

b. The two ends of the movable frame 12 are both connected with a first sliding rod 14 in a sliding manner, one end of the first sliding rod 14 is fixedly connected with the inner wall of the shell 1, the other end of the first sliding rod 14 is fixedly connected with the inner wall of the sampling tube 4, and the stability of movement of the movable frame 12 can be improved through the design of the first sliding rod 14.

c. The left side output end fixedly connected with pressure release pipe 16 of sampling tube 4, the other end of pressure release pipe 16 runs through and extends to the outside of shell 1, and the fixed gag that has cup jointed of extension of pressure release pipe 16.

d. The inner wall of the housing 1 is fixedly provided with a fixing plate 21, the output end of the third conduit 20 penetrates and extends to the other side of the fixing plate 21, the extending end of the third conduit 20 corresponds to the top opening of the containing bottle 3, and the fixing plate 21 is used for fixing the third conduit 20.

e. An approach plate 33 is fixedly mounted on the outer wall of one side of the moving plate 23, an upper sleeve 29 is arranged on the outer wall of the top of the second slide bar 28, a first approach switch 31 is fixedly mounted on the outer wall of the upper sleeve 29, a lower sleeve 30 is arranged on the outer wall of the bottom of the second slide bar 28, a second approach switch 32 is fixedly mounted on the outer wall of the lower sleeve 30, and the first approach switch 31, the second approach switch 32 and the approach plate 33 are all on the same vertical plane.

f. Go up sleeve 29, lower sleeve 30 all with second slide bar 28 sliding connection, go up sleeve 29, the equal threaded connection set screw of outer wall of lower sleeve 30, set screw's the other end all contacts with the outer wall of second slide bar 28, loosen the set screw of going up sleeve 29 and lower sleeve 30 department, the position of going up sleeve 29 and lower sleeve 30 can be adjusted, thereby the inflation degree of adjustment gasbag, thereby the quantity of petrol of extraction at every turn in the adjustment sampling tube 4 through the inflation degree of gasbag.

g. The controller 15 is fixedly mounted on the inner wall of the top of the shell 1, the electromagnetic valve 19, the first proximity switch 31 and the second proximity switch 32 are electrically connected with the controller 15, the models of the first proximity switch 31 and the second proximity switch 32 are CQ32CF15DPO, the controller 15 is an MSC1211Y5 type microprocessor of Texas Instruments, USA, and the controller 15 is electrically connected with the speed reduction motor 7.

The specific use mode and function of the embodiment are as follows:

the utility model discloses during the use, at first insert first pipe 5 in the oil tank, through the start of controller 15 control gear motor 7, gear motor 7 drives output shaft 8 and rotates, output shaft 8 drives axis of rotation 9 through the bevel gear and rotates, axis of rotation 9 drives carousel 10 and rotates, carousel 10 drives removal frame 12 horizontal migration through plush copper 11, removal frame 12 drives piston 6 horizontal migration through push rod 13, petrol is inhaled in sampling tube 4 when piston 6 moves to the left side, when piston 6 moves to the right side, solenoid valve 19 corresponding with receiving bottle 3 is opened, other solenoid valve 19 are closed, petrol is discharged into receiving bottle 3 through second pipe 18, solenoid valve 19, third pipe 20, thereby accomplish the sample, and degree of automation is high, do not need artifical manual extraction;

when the piston 6 moves towards the left side, air in the sampling tube 4 enters the air bag 22 through the air inlet pipe 26, the air bag 22 expands, the air bag 22 drives the moving plate 23 to move downwards, the moving plate 23 drives the approach plate 33 to move downwards, when the approach plate 33 approaches the second approach switch 32, the second approach switch 32 sends an electric signal to the controller 15, the controller 15 controls the speed reducing motor 7, the speed reducing motor 7 drives the output shaft 8 to rotate reversely, the piston 6 is controlled to move towards the right side through the speed reducing motor 7, air in the air bag 22 enters the sampling tube 4 through the air outlet pipe 24, at the moment, the air bag 22 contracts, the air bag 22 drives the moving plate 23 to move upwards, the moving plate 23 drives the approach plate 33 to move upwards, when the approach plate 33 approaches the first approach switch 31, the first approach switch 31 sends an electric signal to the controller 15, and the speed reducing motor 7 is controlled by the controller 15, the gear motor 7 drives the output shaft 8 to rotate in the forward direction, and the piston 6 is controlled to move towards the left side through the gear motor 7, so that the gasoline in the oil tank can be stably extracted, the extraction amount is fixed at each time, and the sample amount collected in each containing bottle 3 can be guaranteed to be the same.

The above structure and process are shown in FIGS. 1-4.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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 (8)

1. The sampling device for gasoline detection comprises a shell (1) and is characterized in that a placing plate (2) is fixedly mounted on the inner wall of the shell (1), a plurality of containing bottles (3) which are arranged at equal intervals are placed on the upper surface of the placing plate (2), a sampling tube (4) is fixedly mounted inside the shell (1), a first guide tube (5) is fixedly connected to the right output end of the sampling tube (4), a piston (6) is slidably connected to the inner wall of the sampling tube (4), a speed reduction motor (7) is fixedly mounted inside the shell (1), an output end of the speed reduction motor (7) is fixedly connected with an output shaft (8), the output shaft (8) is connected with a rotating shaft (9) through bevel gear transmission, a turntable (10) is fixedly connected to one end of the rotating shaft (9), and a raised head (11) is fixedly connected to the other side of the turntable (10), the outer wall of the raised head (11) is connected with a movable frame (12) in a sliding mode, the outer wall of the movable frame (12) is fixedly connected with a push rod (13), and the other end of the push rod (13) is fixedly connected with the outer wall of the piston (6);

the utility model discloses a catheter for the blood sampling device, including shell (1), the output fixedly connected with second pipe (18) of first pipe (5), the output fixed mounting of second pipe (18) has solenoid valve (19) that a plurality of equidistance were arranged the material, the output fixedly connected with third pipe (20) of solenoid valve (19), the top inner wall of shell (1) is provided with gasbag (22), one side outer wall fixedly connected with movable plate (23) of gasbag (22), the equal sliding connection in both sides of movable plate (23) has second slide bar (28), the left side output fixed connection of sampling tube (4) has intake pipe (26), the outer wall fixed mounting of intake pipe (26) has third check valve (27), the other end of intake pipe (26) and the input fixed connection of gasbag (22), the output fixedly connected with blast pipe (24) of gasbag (22), the outer wall fixed mounting of intake pipe (26) has second check valve (25), the other end of the exhaust pipe (24) is fixedly connected with the left input end of the sampling pipe (4).

2. The sampling device for detecting gasoline according to claim 1, wherein the other end of the first conduit (5) penetrates and extends to the outside of the housing (1), and a first one-way valve (17) is fixedly mounted on the outer wall of the first conduit (5).

3. The sampling device for detecting gasoline according to claim 1, wherein a first sliding rod (14) is slidably connected to both ends of the movable frame (12), one end of the first sliding rod (14) is fixedly connected to the inner wall of the housing (1), and the other end of the first sliding rod (14) is fixedly connected to the inner wall of the sampling tube (4).

4. The sampling device for detecting gasoline according to claim 1, wherein a pressure relief pipe (16) is fixedly connected to the left output end of the sampling pipe (4), the other end of the pressure relief pipe (16) penetrates through and extends to the outside of the housing (1), and a plug cover is fixedly sleeved on the extending end of the pressure relief pipe (16).

5. The sampling device for detecting gasoline according to claim 1, wherein a fixing plate (21) is fixedly installed on the inner wall of the housing (1), the output end of the third conduit (20) penetrates and extends to the other side of the fixing plate (21), and the extending end of the third conduit (20) corresponds to the top opening of the containing bottle (3).

6. The sampling device for gasoline detection as claimed in claim 1, wherein an approach plate (33) is fixedly mounted on an outer wall of one side of the moving plate (23), an upper sleeve (29) is arranged on an outer wall of the top of the second sliding rod (28), a first approach switch (31) is fixedly mounted on an outer wall of the upper sleeve (29), a lower sleeve (30) is arranged on an outer wall of the bottom of the second sliding rod (28), a second approach switch (32) is fixedly mounted on an outer wall of the lower sleeve (30), and the first approach switch (31), the second approach switch (32) and the approach plate (33) are all in the same vertical plane.

7. The sampling device for gasoline detection according to claim 6, characterized in that the upper sleeve (29) and the lower sleeve (30) are slidably connected to the second sliding rod (28), the outer walls of the upper sleeve (29) and the lower sleeve (30) are screwed with fixing screws, and the other ends of the fixing screws are in contact with the outer wall of the second sliding rod (28).

8. The sampling device for gasoline detection according to claim 6, characterized in that a controller (15) is fixedly mounted on the inner wall of the top of the housing (1), the electromagnetic valve (19), the first proximity switch (31) and the second proximity switch (32) are electrically connected with the controller (15), and the controller (15) is electrically connected with the speed reduction motor (7).

Images