Sampling device for detecting urea solution for vehicle

Abstract

The utility model discloses a sampling device for detecting an automotive urea solution, which comprises a support, a barrel lining rod, a sampling component and a telescopic source, a support rod is arranged on the support, a top plate is fixedly connected with the support rod, a barrel is movably connected with the support rod through a sleeve body, a transverse plate is arranged on the barrel, a stirring component is arranged on the transverse plate, and the lining rod is provided with a flow cavity. The sampling assembly comprises a suction source mounted on the top plate, the inlet end of the suction source is connected with a suction pipe, the outlet end of the suction source is connected with a discharge pipe, the suction pipe extends into the barrel to be connected with the flow cavity, a telescopic source is mounted on the top plate, and the movable end of the telescopic source is connected with the barrel; the urea solution is sampled after being stirred through the stirring assembly, so that the uniformity of the urea solution is improved after the urea solution is stirred and mixed at different height layers, and the detectable accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of urea detection, in particular to a sampling device for detecting vehicle urea solution. Background Technique

[0002] Vehicle urea is an important raw material for diesel vehicle exhaust purification additives, which can convert nitrogen oxides in diesel vehicle exhaust into harmless nitrogen and water, improve the operation of the vehicle engine and fuel consumption, and make the exhaust meet the specified emission standards.

[0003] There are certain requirements for the concentration and purity of vehicle urea. Therefore, it is necessary to detect whether it meets the standards. Currently, when sampling vehicle urea, it is usually extracted from a fixed liquid layer, resulting in poor accuracy of the detected solution. For this reason, the utility model proposes a sampling device for detecting vehicle urea solution that can solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a sampling device for detecting vehicle urea solution to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A sampling device for detecting vehicle urea solution, comprising:

[0006] A support on which a support rod is provided, and the support rod is fixedly connected with a top plate;

[0007] A cylinder body, which is movably connected with the support rod through a sleeve body, a cross plate is arranged on the cylinder body, and a stirring component is arranged on the cross plate;

[0008] A lining rod having a flow cavity;

[0009] A sampling component, including a suction source installed on the top plate, the inlet end of the suction source is connected with a suction pipe, the outlet end of the suction source is connected with a discharge pipe, and the suction pipe extends into the cylinder body and is connected with the flow cavity;

[0010] A telescopic source, installed on the top plate, and the movable end of the telescopic source is connected with the cylinder body.

[0011] As a preferred technical solution, a stock solution placement groove and a sample placement groove are arranged on the support.

[0012] As a preferred technical solution, the stirring component includes a first rotating source installed at the bottom of the cross plate, the output end of the first rotating source is connected with a movable rod, and a plurality of blades are arranged on the movable rod.

[0013] As a preferred technical solution, the lining rod is movably inserted through the cylinder body. A side groove is formed in the cylinder body. A second rotating source is installed on the top of the cross plate. The output of the second rotating source is connected with a gear. A rack is arranged on the lining rod. The gear and the rack are meshed at the side groove.

[0014] As a preferred technical solution, both the suction pipe and the discharge pipe are flexible hoses. A suction nozzle communicating with the flow cavity is arranged at the lower end of the lining rod.

[0015] As a preferred technical solution, a cover body is arranged on the lower side of the top plate.

[0016] As a preferred technical solution, a partition board is pivotally connected to the bottom of the cover body.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] After the urea solution is stirred by the stirring assembly and then sampled, the uniformity of the urea solution at different height layers is improved after stirring and mixing, and the detection accuracy is improved;

[0019] Through the meshing of the gear and the rack, the second rotating source drives the lining rod to move vertically on the cylinder body to suck the urea solution at different heights. That is, the uniformity of the sampled urea solution is further improved;

[0020] The telescopic source drives the cylinder body to move upward, driving the lining rod and the stirring assembly to be received inside the cover body, reducing dust adhesion when not in use for a long time. Description of the Drawings

[0021] Figure 1 Schematic diagram of the overall structure of the present utility model (removing the cover body);

[0022] Figure 2 Schematic diagram of the sampling assembly and the stirring assembly of the present utility model;

[0023] Figure 3 Schematic diagram of the connection relationship between the lining rod and the cylinder body of the present utility model;

[0024] Figure 4 Schematic diagram of the position relationship between the cover body and the top plate of the present utility model;

[0025] In the figure: 10, support; 101, stock solution placement groove; 102, sample placement groove; 12, support rod; 13, top plate; 14, cover body; 20, cylinder body; 21, sleeve; 22, cross plate; 23, second rotating source; 24, gear; 30, lining rod; 31, suction nozzle; 32, rack; 40, sampling assembly; 41, suction source; 42, suction pipe; 43, discharge pipe; 50, telescopic source; 60, stirring assembly; 61, first rotating source; 62, movable rod; 63, blade. Detailed implementation mode

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0027] Please refer to Figures 1-4 , a sampling device for detecting vehicle urea solution is provided, aiming to solve the problem that when sampling vehicle urea, it is usually extracted from a fixed liquid layer at present, resulting in poor accuracy of the detected solution. The specific embodiments are as follows:

[0028] Embodiment 1

[0029] A support rod 12 is arranged on the support 10, the support rod 12 is fixedly connected with a top plate 13, there are multiple groups of support rods 12, the top plate 13 is located above the support 10, and a stock solution placement groove 101 and a sample placement groove 102 are arranged on the support 10. The stock solution placement groove 101 is used to place a container containing the urea solution to be tested, and the sample placement groove 102 is used to place a container containing the sampled urea solution.

[0030] The cylinder 20 is movably connected with the support rod 12 through a sleeve 21. A cross plate 22 is arranged on the cylinder 20, and a stirring assembly 60 is arranged on the cross plate 22. The telescopic source 50 is installed on the top plate 13, and the movable end of the telescopic source 50 is connected with the cylinder 20. The telescopic source 50 can drive the cylinder 20 to move vertically, so that the stirring assembly 60 can stir the urea solution.

[0031] The lining rod 30 has a flow cavity, and the sampling assembly 40 is used for sucking the urea solution. By inserting the lining rod 30 into the stirred urea solution, the urea solution flows along the flow cavity after being sucked.

[0032] The sampling assembly 40 includes a suction source 41 installed on the top plate 13. The inlet end of the suction source 41 is connected with a suction pipe 42, and the outlet end of the suction source 41 is connected with a discharge pipe 43. The suction pipe 42 extends into the cylinder 20 and is connected with the flow cavity. The suction source 41 is preferably a pump body. Both the suction pipe 42 and the discharge pipe 43 are flexible hoses. A suction nozzle 31 communicating with the flow cavity is arranged at the lower end of the lining rod 30. By operating the suction source 41, the urea solution can be discharged through the discharge pipe 43. After stirring the urea solution by the stirring assembly 60, sampling is carried out to improve the uniformity and consistency of the urea solution at different height layers after stirring and mixing, and improve the detection accuracy.

[0033] Embodiment 2

[0034] The stirring assembly 60 includes a first rotating source 61 installed at the bottom of the cross plate 22. A movable rod 62 is connected to the output end of the first rotating source 61, and a plurality of blades 63 are arranged on the movable rod 62.

[0035] The first rotating source 61 is preferably a motor body. During stirring, the movable rod 62 extends into the urea solution, and the movable rod 62 drives the plurality of blades 63 to rotate to disturb the urea solution, so that the solutions at different height layers are doped and mixed with each other.

[0036] The lining rod 30 is movably inserted through the cylinder body 20. A side groove is provided on the cylinder body 20. A second rotating source 23 is installed at the top of the cross plate 22. A gear 24 is connected to the output of the second rotating source 23. A rack 32 is arranged on the lining rod 30, and the gear 24 and the rack 32 are engaged at the side groove.

[0037] The second rotating source 23 is preferably a motor body. When sucking the urea solution, through the engagement of the gear 24 and the rack 32, the second rotating source 23 drives the lining rod 30 to move vertically on the cylinder body 20 to suck the urea solution at different heights, that is, further improving the uniformity of the sampled urea solution.

[0038] A cover body 14 is provided on the lower side of the top plate 13, and a through hole for the cylinder body 20 to pass through is provided on the cover body 14.

[0039] After sampling is completed, the telescopic source 50 drives the cylinder body 20 to move upward, driving the lining rod 30 and the stirring assembly 60 to be received inside the cover body 14, reducing dust adhesion during long-term non-use.

[0040] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sampling device for detecting urea solution for a vehicle, characterized in that: include: A support (10) is provided with a support rod (12), wherein the support rod (12) is fixedly connected to a top plate (13); A cylinder (20) is movably connected to the support rod (12) through a sleeve (21); a transverse plate (22) is provided on the cylinder (20); and a stirring assembly (60) is provided on the transverse plate (22); The liner rod (30) has a flow cavity; A sampling assembly (40) comprises a suction source (41) mounted on the top plate (13), wherein the inlet end of the suction source (41) is connected to a suction pipe (42), the outlet end of the suction source (41) is connected to a discharge pipe (43), and the suction pipe (42) extends into the cylinder (20) and is connected to the flow cavity; A telescopic source (50) is installed on the top plate (13), and a movable end of the telescopic source (50) is connected to the cylinder (20).

2. A sampling device for detecting a vehicle urea solution according to claim 1, characterized in that: The support (10) is provided with a stock solution placement groove (101) and a sample placement groove (102).

3. The sampling device for detecting a vehicle urea solution according to claim 1, characterized in that: The stirring assembly (60) comprises a first rotating source (61) installed at the bottom of the transverse plate (22); an output end of the first rotating source (61) is connected to a movable rod (62); and a plurality of blades (63) are arranged on the movable rod (62).

4. The sampling device for detecting a vehicle urea solution according to claim 1, characterized in that: The lining rod (30) is movably inserted into the cylinder (20), and a side groove is provided on the cylinder (20). A second rotation source (23) is installed on the top of the cross plate (22), and the output of the second rotation source (23) is connected to a gear (24). A rack (32) is provided on the lining rod (30), and the gear (24) and the rack (32) are meshed at the side groove.

5. The sampling device for detecting vehicle urea solution according to claim 4, characterized in that: The suction pipe (42) and the discharge pipe (43) are both soft tubes, and a suction nozzle (31) communicating with the flow cavity is provided at the lower end of the lining rod (30).

6. The sampling device for detecting vehicle urea solution according to claim 1, characterized in that: A cover body (14) is provided on the lower side of the top plate (13).

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