Automatic sampler capable of proportioning raw materials

Abstract

The utility model discloses an automatic sampler capable of proportioning raw materials, which relates to the technical field of samplers and comprises a measuring rod, a scale is arranged on the surface of the measuring rod, a driving mechanism is arranged at the top end of the measuring rod, and a sampling mechanism is arranged at the bottom end of the measuring rod. The driving mechanism comprises a top plate and an air cylinder, the air cylinder is connected with the measuring rod through the top plate, the air cylinder is connected with a moving block, and one side of the moving block is slidably connected with the measuring rod through a rod sleeve; the automatic sampling device has the beneficial effects that the piston is driven by the cylinder of the driving mechanism to rise, a sample can be automatically extracted into the sampling barrel, the sampling coverage range of the sampling barrel can be increased through the measuring rod, the sampling activity can be carried out without approaching a sampling site, and the sampling device is safe and reliable; the moving block of the driving mechanism can drive the rod sleeve and the piston to lift synchronously, and the rod sleeve can monitor the liquid level in the sampling barrel in real time in cooperation with the ruler when moving.

Description

Technical Field

[0001] The utility model relates to an automatic sampler, in particular to an automatic sampler capable of matching raw materials, belonging to the technical field of samplers. Background Art

[0002] Wastewater refers to the general term for water discharged during residents' activities and runoff rainwater; it includes domestic sewage, industrial wastewater, and other unused water such as initial rain runoff into drainage pipes; in the process of wastewater testing, a sampler is required to take samples for subsequent testing.

[0003] Its application number is "CN202120117152.5". The "automatic sampler that is convenient for quantitative sampling" disclosed in it "comprises a lower cylinder, a spring, a connecting rod and a handle. A liquid suction port is opened at the lower end of the lower cylinder, and a cap is provided at the lower end of the liquid suction port. A spring is installed inside the lower cylinder, and a connecting block is provided on the outside of the spring. A connecting rod is installed on the outside of the connecting block, and a round rod is provided on the front side of the connecting rod. An upper cylinder is installed on the upper side of the lower cylinder, and a sealing cushion is provided between the lower cylinder and the upper cylinder. The lower end of the upper cylinder is connected to a limiting rod, and an overhanging block is provided on the outer surface of the upper cylinder". In the utility model, the automatic sampler that is convenient for quantitative sampling is convenient for quantitative sampling, is more convenient when comparing data, is conducive to regular cleaning, and prevents impurities from affecting later detection results.

[0004] However, the above method still has the following defects: the automatic sampler can realize sampling, but it is not convenient to monitor the extracted liquid level and carry out material proportioning activities. Since the lower cylinder and the upper cylinder are designed as separate bodies, the sealing requirements between them are high, which can easily lead to leakage of samples. The lower cylinder and the upper cylinder need to be disassembled to clean the movable plate and the inside of the upper cylinder. At the same time, it is not convenient to take out the movable plate for cleaning. Utility Model Content

[0005] The utility model aims to provide an automatic sampler capable of proportioning raw materials, so as to solve the problem inconvenient to monitor the extracted liquid level and to carry out proportioning of materials proposed in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic sampler for proportioning raw materials, comprising a measuring rod, a scale is provided on the surface of the measuring rod, a driving mechanism is provided at the top end of the measuring rod, and a sampling mechanism is provided at the bottom end of the measuring rod; the driving mechanism comprises a top plate and a cylinder, the cylinder is connected to the measuring rod through the top plate, the cylinder is connected to a moving block, one side of the moving block is slidably connected to the measuring rod through a rod sleeve; the sampling mechanism comprises a sampling barrel, a liquid level window is provided on the surface of the sampling barrel, a sampling tube is connected to the bottom end of the sampling barrel through a valve, a piston is provided inside the sampling barrel, the piston is connected to the moving block through a connecting rod, and the top of the sampling barrel is connected to the measuring rod through a supporting plate.

[0007] As a preferred technical solution of the utility model, the top end of the measuring rod is fixedly connected to one side of the bottom end of the top plate, the top end of the cylinder is fixedly connected to the other side of the bottom end of the top plate, the telescopic rod of the cylinder is fixedly connected to one side of the top end of the moving block, one side of the moving block is welded to the rod sleeve, and a threaded hole is provided on one side of the bottom end of the moving block.

[0008] As a preferred technical solution of the utility model, a handle is fixedly connected to the top end of the top plate, and a battery is fixedly installed in the middle of the bottom end of the top plate.

[0009] As a preferred technical solution of the utility model, the piston is slidably connected to the inside of the sampling tube, two annular grooves are provided on the surface of the piston, both of the annular grooves are snap-fitted with sealing rings, and the middle part of the top of the piston is fixedly connected to the bottom end of the connecting rod.

[0010] As a preferred technical solution of the utility model, the top end of the connecting rod is fixedly connected with an anti-slip knob, the middle part of the top end of the anti-slip knob is fixedly connected with a screw rod, and the screw rod is threadedly connected to one side of the bottom end of the moving block through a thread groove.

[0011] As a preferred technical solution of the utility model, an arc groove is opened on one side of the support plate, the support plate is welded to the top of the sampling tube through the arc groove, and a rib plate is fixedly provided at the bottom end of the support plate.

[0012] As a preferred technical solution of the utility model, a connecting plate is fixedly provided at the bottom end of the measuring rod, and the bottom end of the connecting plate is fixedly connected to the bottom end of the supporting plate by a plurality of bolts, a plurality of bolt holes are opened on the surface of the connecting plate, a plurality of through holes are opened on the surface of the supporting plate, a plurality of the bolts are interlaced and connected with the plurality of bolt holes and a plurality of through holes, and a plurality of the bolts are all threadedly connected with locking nuts.

[0013] Compared with the related art, the automatic sampler for matching raw materials provided by the utility model has the following beneficial effects:

[0014] 1. The cylinder of the driving mechanism drives the piston to rise, and the sample can be automatically extracted into the sampling tube. The sampling coverage of the sampling tube can be increased by the measuring rod. Sampling activities can be carried out without approaching the sampling location. It is safe and reliable. The moving block of the driving mechanism can drive the rod sleeve and the piston to rise and fall synchronously. When the rod sleeve moves, it can cooperate with the ruler to monitor the liquid level inside the sampling tube in real time. After quantitative sampling, it is convenient to carry out quantitative proportioning activities of materials;

[0015] 2. The piston is lifted out of the sampling tube by the cylinder of the driving mechanism, which is convenient for cleaning the piston and the sampling tube separately. The operation is simple and convenient, and there is no need to disassemble the sampling tube. The sealing of the sampling tube can be ensured, and leakage of the sample can be avoided. The rod sleeve cooperates with the cylinder to guide the piston, which can ensure the stability of the piston and prevent it from shaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is one of the structural diagrams of the utility model;

[0017] Figure 2 This is the second structural diagram of the utility model;

[0018] Figure 3 It is a schematic diagram of the explosion structure of the sampling mechanism of the utility model;

[0019] Figure 4 This is a schematic diagram of the rod sleeve structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the measuring rod of the utility model.

[0021] In the figure: 1. measuring rod; 2. ruler; 3. connecting plate; 4. driving mechanism; 401. top plate; 402. battery; 403. handle; 404. cylinder; 405. moving block; 406. rod sleeve; 5. sampling mechanism; 501. sampling tube; 502. liquid level window; 503. valve; 504. sampling tube; 505. support plate; 506. rib plate; 507. through hole; 508. arc groove; 509. piston; 5010. annular groove; 5011. sealing ring; 5012. connecting rod; 5013. anti-slip knob; 5014. screw; 6. bolt hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1:

[0024] See also Figure 1-5 The utility model provides an automatic sampler capable of mixing raw materials, comprising a measuring rod 1, a scale 2 is arranged on the surface of the measuring rod 1, a driving mechanism 4 is arranged at the top end of the measuring rod 1, and a sampling mechanism 5 is arranged at the bottom end of the measuring rod 1;

[0025] The driving mechanism 4 includes a top plate 401 and a cylinder 404. The cylinder 404 is connected to the measuring rod 1 through the top plate 401. The cylinder 404 is connected to a moving block 405. One side of the moving block 405 is slidably connected to the measuring rod 1 through a rod sleeve 406. The cylinder 404 can drive the rod sleeve 406 to rise and fall through the moving block 405.

[0026] The top of the measuring rod 1 is fixedly connected to one side of the bottom of the top plate 401, the top of the cylinder 404 is fixedly connected to the other side of the bottom of the top plate 401, the telescopic rod of the cylinder 404 is fixedly connected to one side of the top of the moving block 405, one side of the moving block 405 is welded to the rod sleeve 406, and a threaded hole is provided on one side of the bottom of the moving block 405. By welding one side of the moving block 405 to the rod sleeve 406, its firmness and stability can be maintained;

[0027] A handle 403 is fixedly connected to the top of the top plate 401 , and a battery 402 is fixedly installed in the middle of the bottom of the top plate 401 . The handle 403 is used to facilitate the movement of the measuring rod 1 , and the battery 402 can supply power to the cylinder 404 .

[0028] Embodiment 2:

[0029] The sampling mechanism 5 includes a sampling cylinder 501, a liquid level window 502 is provided on the surface of the sampling cylinder 501, a sampling tube 504 is connected to the bottom of the sampling cylinder 501 through a valve 503, a piston 509 is provided inside the sampling cylinder 501, the piston 509 is connected to the moving block 405 through a connecting rod 5012, and the top of the sampling cylinder 501 is connected to the measuring rod 1 through a supporting plate 505. By closing the valve 503, leakage of the sample can be prevented, and the operation is convenient;

[0030] The piston 509 is slidably connected to the inside of the sampling tube 501. Two annular grooves 5010 are provided on the surface of the piston 509. The two annular grooves 5010 are both engaged with sealing rings 5011. The middle of the top of the piston 509 is fixedly connected to the bottom of the connecting rod 5012. The sealing ring 5011 can be limited by the annular groove 5010. The sealing ring 5011 can seal the piston 509;

[0031] The top of the connecting rod 5012 is fixedly connected with an anti-skid knob 5013, and the middle of the top of the anti-skid knob 5013 is fixedly connected with a screw rod 5014. The screw rod 5014 is threadedly connected to one side of the bottom of the moving block 405 through a thread groove. The screw rod 5014 is rotated by the anti-skid knob 5013 to facilitate the installation and removal of the connecting rod 5012.

[0032] An arc groove 508 is provided on one side of the support plate 505, and the support plate 505 is welded to the top of the sampling tube 501 through the arc groove 508. A rib plate 506 is fixedly provided at the bottom end of the support plate 505. The arc groove 508 can increase the contact area between the support plate 505 and the sampling tube 501, and the rib plate 506 can reinforce the support plate 505 and the sampling tube 501.

[0033] A connecting plate 3 is fixedly provided at the bottom end of the measuring rod 1, and the bottom end of the connecting plate 3 is fixedly connected to the bottom end of the supporting plate 505 by a plurality of bolts. A plurality of bolt holes 6 are provided on the surface of the connecting plate 3, and a plurality of through holes 507 are provided on the surface of the supporting plate 505. A plurality of bolts are inserted and connected with the plurality of bolt holes 6 and the plurality of through holes 507, and the plurality of bolts are all threadedly connected with locking nuts, so that the bolts can be conveniently inserted through the bolt holes 6 and the through holes 507, thereby facilitating the installation of the connecting plate 3.

[0034] When in use, the staff first holds the measuring rod 1 through the handle 403, then opens the valve 503, and then drives the piston 509 through the cylinder 404 to discharge the air inside the sampling tube 501, and then places the sampling tube 504 into the sampling point, and finally lifts the piston 509 through the cylinder 404, so that the sample can be automatically drawn into the sampling tube 501. During this process, the moving block 405 can drive the rod sleeve 406 and the piston 509 to rise and fall synchronously. When the rod sleeve 406 moves, it points to the scale 2, which can monitor the liquid level inside the sampling tube 501 in real time and control the sample demand. After the sampling is completed, the valve 503 can be closed. During the sampling activity, the measuring rod 1 can increase the sampling coverage of the sampling tube 501, and it can be carried out without approaching the sampling location. The sampling activity is convenient for quantitative proportioning of materials. When it is necessary to prepare raw materials through the sample, open the valve 503 and drive the piston 509 through the cylinder 404 to discharge a quantitative sample, so as to carry out the proportioning activity of the raw materials. After the discharge is completed, the staff drives the cylinder 404 to lift the piston 509 out of the sampling tube 501, and can clean the piston 509 and the sampling tube 501 respectively. There is no need to disassemble the sampling tube 501, so the sealing of the sampling tube 501 can be ensured. The rod sleeve 406 cooperates with the cylinder 404 to ensure the stability of the piston 509. The screw rod 5014 is turned by the anti-slip knob 5013 to remove the connecting rod 5012. The sampling tube 501 can be removed from the measuring rod 1 by loosening the locking nut fixing the connecting disk 3.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic sampler for proportioning raw materials, comprising a measuring rod (1), characterized in that: The surface of the measuring rod (1) is provided with a scale (2), the top end of the measuring rod (1) is provided with a driving mechanism (4), and the bottom end of the measuring rod (1) is provided with a sampling mechanism (5); The driving mechanism (4) comprises a top plate (401) and a cylinder (404), wherein the cylinder (404) is connected to the measuring rod (1) via the top plate (401), and the cylinder (404) is connected to a moving block (405), and one side of the moving block (405) is slidably connected to the measuring rod (1) via a rod sleeve (406); The sampling mechanism (5) comprises a sampling cylinder (501), the surface of the sampling cylinder (501) is provided with a liquid level window (502), the bottom end of the sampling cylinder (501) is connected to a sampling tube (504) via a valve (503), a piston (509) is provided inside the sampling cylinder (501), the piston (509) is connected to a moving block (405) via a connecting rod (5012), and the top of the sampling cylinder (501) is connected to a measuring rod (1) via a supporting plate (505).

2. The automatic sampler for matching raw materials according to claim 1, characterized in that: The top end of the measuring rod (1) is fixedly connected to one side of the bottom end of the top plate (401), the top end of the cylinder (404) is fixedly connected to the other side of the bottom end of the top plate (401), the telescopic rod of the cylinder (404) is fixedly connected to one side of the top end of the moving block (405), one side of the moving block (405) is welded to the rod sleeve (406), and a threaded hole is provided on one side of the bottom end of the moving block (405).

3. The automatic sampler for matching raw materials according to claim 1, characterized in that: A handle (403) is fixedly connected to the top end of the top plate (401), and a storage battery (402) is fixedly installed in the middle of the bottom end of the top plate (401).

4. The automatic sampler for matching raw materials according to claim 1, characterized in that: The piston (509) is slidably connected to the inside of the sampling tube (501), and two annular grooves (5010) are provided on the surface of the piston (509). Both annular grooves (5010) are snap-fitted with sealing rings (5011), and the middle part of the top end of the piston (509) is fixedly connected to the bottom end of the connecting rod (5012).

5. The automatic sampler for matching raw materials according to claim 1, characterized in that: The top end of the connecting rod (5012) is fixedly connected with an anti-skid knob (5013), the middle part of the top end of the anti-skid knob (5013) is fixedly connected with a screw rod (5014), and the screw rod (5014) is threadedly connected to one side of the bottom end of the moving block (405) through a thread groove.

6. The automatic sampler for matching raw materials according to claim 1, characterized in that: An arc-shaped groove (508) is provided on one side of the support plate (505), and the support plate (505) is welded to the top of the sampling tube (501) via the arc-shaped groove (508). A rib plate (506) is fixedly provided at the bottom end of the support plate (505).

7. The automatic sampler for matching raw materials according to claim 1, characterized in that: A connecting plate (3) is fixedly provided at the bottom end of the measuring rod (1), and the bottom end of the connecting plate (3) is fixedly connected to the bottom end of the supporting plate (505) by a plurality of bolts. A plurality of bolt holes (6) are provided on the surface of the connecting plate (3), and a plurality of through holes (507) are provided on the surface of the supporting plate (505). A plurality of the bolts are inserted and connected with the plurality of bolt holes (6) and the plurality of through holes (507), and the plurality of the bolts are all threadedly connected with locking nuts.

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