A liquid sampling device

Abstract

The utility model provides a kind of liquid sampling device, including sampling base plate, the sampling bottle being placed above sampling base plate, the sampling support being set on the upper end of sampling base plate, sampling support is straddled above sampling bottle, the middle part inboard of sampling support is provided with abutting projection, abutting projection is abutted with the bottle body upper end of sampling bottle, to be pressed tightly in the upper end of sampling base plate with sampling bottle, the inboard of sampling support is provided with sealing press plate, the upper end of sealing press plate is provided with elastic structure, elastic structure is connected with sampling support, to drive sealing press plate to be pressed tightly fixed in the bottle mouth of sampling bottle, and then the bottle mouth of sampling bottle is closed.In the process of lowering the above sampling device, elastic structure drives sealing press plate to be pressed tightly fixed in the bottle mouth of sampling bottle by elastic force, so that water is not easy to enter into sampling bottle, so that the above sampling device has the advantage of high sampling accuracy.

Description

Technical Field

[0001] This utility model relates to samplers, and more particularly to a liquid sampling device. Background Technology

[0002] Currently, Chinese patent CN208076204U discloses a water sampler, including a water collection bucket, a handle fixedly mounted on the upper outer wall of the water collection bucket, and a hanging ring movably sleeved on the outside of the handle. A water passage hole is provided through the bottom of the water collection bucket, and a filter screen is installed inside the water passage hole. A base plate matching the water passage hole is provided inside the water collection bucket, and a limit block is provided on the base plate. A movable bucket lid is provided on the top of the water collection bucket. However, if the above-mentioned water sampler is needed to sample the middle and lower layers of water, it is necessary to first submerge the water sampler into the middle and lower layers of the water. During the submersion process, water from the upper layer can easily enter the water collection bucket directly, affecting the accuracy of the sampling. Utility Model Content

[0003] In view of this, the purpose of this utility model is to provide a liquid sampling device with the advantage of high sampling accuracy.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is: a liquid sampling device, including a sampling base plate, a sampling bottle placed above the sampling base plate, and a sampling bracket disposed on the upper end of the sampling base plate. The sampling bracket spans above the sampling bottle, and an abutting protrusion is provided on the inner side of the middle part of the sampling bracket. The abutting protrusion abuts against the upper end of the body of the sampling bottle to press the sampling bottle tightly against the upper end of the sampling base plate. A sealing pressure plate is provided on the inner side of the sampling bracket, and an elastic structure is provided on the upper end of the sealing pressure plate. The elastic structure is connected to the sampling bracket to drive the sealing pressure plate to press and fix the bottle mouth of the sampling bottle, thereby sealing the bottle mouth.

[0005] With the above technical solution, during use, two chains are connected to the upper sides of the sampling bracket, and the sampling device is lowered to the designated depth in the water using these chains. During the lowering process, the elastic structure uses its elasticity to press and fix the sealing plate tightly against the mouth of the sampling bottle, making it difficult for water to enter the bottle and giving the sampling device the advantage of high sampling accuracy. A second chain is connected to the upper end of the sealing plate. When the sampling device sinks to the designated depth, the second chain pulls the sealing plate, separating it from the mouth of the sampling bottle. This allows water at the designated depth to enter the sampling bottle through the gap between the sealing plate and the bottle. An abutment protrusion abuts against the upper part of the sampling bottle, pressing and fixing the bottle to the upper end of the sampling base plate, thereby improving the connection stability between the sampling bottle and the sampling bracket.

[0006] Preferably, the lower end of the sealing plate is provided with a storage groove for inserting the mouth of the sampling bottle, and a sealing adhesive plate is bonded and fixed to the top inner wall of the storage groove.

[0007] Through the above technical solution, the receiving groove can limit the opening of the sampling bottle, thereby improving the connection stability between the sealing plate and the sampling bottle. Sealing rubber is adhered and fixed to the top inner wall of the receiving groove to seal the gap between the sealing plate and the sampling bottle.

[0008] Preferably, the elastic structure includes a connecting rod fixedly disposed on the upper end of the sealing pressure plate, a return spring sleeved on the outside of the connecting rod, and a limiting ring passing through the upper end of the connecting rod. The upper end of the connecting rod passes through and protrudes from the upper end of the sampling bracket. The upper end of the return spring abuts against the upper end of the sampling bracket, the lower end of the return spring abuts against the upper end of the sealing pressure plate, and the lower end of the limiting ring abuts against the upper end of the sampling bracket.

[0009] Through the above technical solution, the connecting rod can not only be used to limit and guide the movement of the sealing plate, but also to limit and guide the extension and retraction of the return spring. The limiting ring can be used to limit the connecting rod, making it difficult for the limiting rod to separate from the sampling bracket.

[0010] Preferably, the sampling bracket includes a lower support section fixedly disposed on the upper end of the sampling base plate, an upper limit section hinged to the upper end of the lower support section, and a locking structure disposed between the lower support section and the upper limit section. The locking structure is used to fix the relative position of the lower support section and the upper limit section, and the abutment protrusion is disposed on the lower inner wall of the upper limit section.

[0011] With the above technical solution, before sampling, firstly, the locking structure is released, then the upper limit segment of the support is rotated to the side of the lower support segment, and then the sampling bottle is placed on top of the sampling base. Next, the upper limit segment of the support is rotated to top of the lower support segment, and finally, the locking structure is used to fix the relative positions of the upper limit segment and the lower support segment. After sampling, the sampling bottle can be removed simply by reversing the operation. The sampling support structure described above makes the assembly and disassembly of the sampling bottle much more convenient.

[0012] Preferably, the locking structure includes a limiting bolt threaded to the outside of the upper limit section of the bracket, the threaded section of the limiting bolt being used to abut against the outer wall of the lower support section of the bracket.

[0013] With the above technical solution, when the threaded section of the limiting bolt abuts against the outer wall of the lower support section of the bracket, the relative position of the upper limit section of the bracket and the lower support section of the bracket is fixed.

[0014] Preferably, a limiting ring is provided at the upper end of the lower support section of the bracket, and the sampling bottle is placed inside the limiting ring.

[0015] Through the above technical solution, the limiting ring can be used to limit the sampling bottle, making it difficult for the sampling bottle to detach from the sampling bracket.

[0016] Preferably, the abutment protrusion has a threaded hole extending from top to bottom, and an adjusting bolt is threaded into the threaded hole. The head of the adjusting bolt is located above the abutment protrusion, and an abutment block is connected to the lower end of the threaded section of the adjusting bolt to press the sampling bottle tightly against the upper end of the sampling base plate.

[0017] With the above technical solution, the height of the contact block can be adjusted according to the height of the sampling bottle, thereby improving the applicability of the sampling device. When it is necessary to adjust the height of the contact block, it is only necessary to control the adjusting bolt to rotate circumferentially.

[0018] Preferably, a T-shaped connecting seat is embedded at the upper end of the abutting rubber block, and a movable sleeve is rotatably connected to the upper end of the T-shaped connecting seat. The movable sleeve is threadedly connected to the lower end of the threaded section of the adjusting bolt.

[0019] By adding a T-shaped connecting seat and a movable sleeve, the above technical solution ensures that the abutting rubber block will not rotate circumferentially when it comes into contact with the sampling bottle during the rotation of the adjusting bolt, thereby reducing the wear of the abutting rubber block. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of an embodiment;

[0021] Figure 2 for Figure 1Enlarged view of part A;

[0022] Figure 3 for Figure 1 Enlarged view of part B.

[0023] Reference numerals: 1. Sampling base plate; 2. Sampling bottle; 3. Sampling bracket; 31. Lower support section of bracket; 32. Upper limit section of bracket; 33. Locking structure; 4. Abutment protrusion; 5. Sealing pressure plate; 6. Elastic structure; 61. Connecting rod; 62. Return spring; 63. Limiting ring; 7. Storage groove; 8. Sealing rubber plate; 9. Limiting ring; 10. Threaded hole; 11. Adjusting bolt; 12. Abutment rubber block; 13. T-shaped connecting seat; 14. Movable sleeve. Detailed Implementation

[0024] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, so that the technical solution of this utility model can be more easily understood and mastered.

[0025] A liquid sampling device, such as Figures 1 to 3 As shown, the system includes a sampling base plate 1, a sampling bottle 2 placed on top of the sampling base plate 1, and a sampling bracket 3 positioned on the upper end of the sampling base plate 1. The sampling bracket 3 spans above the sampling bottle 2, and an abutment protrusion 4 is provided on the inner side of the middle part of the sampling bracket 3. The abutment protrusion 4 abuts against the upper end of the body of the sampling bottle 2 to press the sampling bottle 2 firmly against the upper end of the sampling base plate 1.

[0026] A sealing plate 5 is provided on the inner side of the sampling bracket 3. A storage groove 7 is provided at the lower end of the sealing plate 5 for inserting the mouth of the sampling bottle 2. A sealing adhesive plate 8 is glued and fixed to the inner wall of the top of the storage groove 7 to abut against the mouth of the sampling bottle 2.

[0027] The upper end of the sealing plate 5 is provided with an elastic structure 6, which is connected to the sampling bracket 3 to drive the sealing plate 5 to press and fix it to the mouth of the sampling bottle 2, thereby sealing the mouth of the sampling bottle 2.

[0028] The elastic structure 6 includes a connecting rod 61 fixedly mounted on the upper end of the sealing pressure plate 5, a return spring 62 sleeved on the outside of the connecting rod 61, and a limiting ring 63 passing through the upper end of the connecting rod 61. The upper end of the connecting rod 61 passes through and protrudes from the upper end of the sampling bracket 3. The upper end of the return spring 62 abuts against the upper end of the sampling bracket 3, and the lower end of the return spring 62 abuts against the upper end of the sealing pressure plate 5. The lower end of the limiting ring 63 abuts against the upper end of the sampling bracket 3.

[0029] The sampling bracket 3 includes a lower support section 31 fixedly mounted on the upper end of the sampling base plate 1, an upper limit section 32 hinged to the upper end of the lower support section 31, and a locking structure 33 disposed between the lower support section 31 and the upper limit section 32. The locking structure 33 is used to fix the relative position of the lower support section 31 and the upper limit section 32, and the abutment protrusion 4 is disposed on the lower inner wall of the upper limit section 32. The locking structure 33 includes a limiting bolt threaded to the outside of the upper limit section 32, and the threaded section of the limiting bolt abuts against the outer wall of the lower support section 31.

[0030] A limiting ring 9 is provided at the upper end of the lower support section 31 of the bracket, and the sampling bottle 2 is placed inside the limiting ring 9.

[0031] A threaded hole 10 is provided through the abutment protrusion 4 from top to bottom. An adjusting bolt 11 is threadedly connected to the threaded hole 10. The head of the adjusting bolt 11 is located above the abutment protrusion 4. An abutment block 12 is connected to the lower end of the threaded section of the adjusting bolt 11 to press the sampling bottle 2 tightly against the upper end of the sampling base plate 1. A T-shaped connecting seat 13 is embedded in the upper end of the abutment block 12. A movable sleeve 14 is rotatably connected to the upper end of the T-shaped connecting seat 13. The movable sleeve 14 is threadedly connected to the lower end of the threaded section of the adjusting bolt 11.

[0032] Of course, the above are just typical examples of this utility model. In addition, this utility model may have many other specific implementation methods. All technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of protection claimed by this utility model.

Claims

1. A liquid sampling device, characterized in that: The sample includes a sampling base plate (1), a sampling bottle (2) placed above the sampling base plate (1), and a sampling bracket (3) set on the upper end of the sampling base plate (1). The sampling bracket (3) spans above the sampling bottle (2). An abutment protrusion (4) is provided on the inner side of the middle part of the sampling bracket (3). The abutment protrusion (4) abuts against the upper end of the bottle body of the sampling bottle (2) to press the sampling bottle (2) tightly against the upper end of the sampling base plate (1). A sealing pressure plate (5) is provided on the inner side of the sampling bracket (3). An elastic structure (6) is provided on the upper end of the sealing pressure plate (5). The elastic structure (6) is connected to the sampling bracket (3) to drive the sealing pressure plate (5) to press and fix the bottle mouth of the sampling bottle (2), thereby sealing the bottle mouth of the sampling bottle (2).

2. The liquid sampling device according to claim 1, characterized in that: The lower end of the sealing plate (5) is provided with a storage groove (7) for the mouth of the sampling bottle (2) to be inserted. A sealing adhesive plate (8) is glued and fixed to the inner wall of the top of the storage groove (7).

3. The liquid sampling device according to claim 1, characterized in that: The elastic structure (6) includes a connecting rod (61) fixedly installed on the upper end of the sealing pressure plate (5), a return spring (62) sleeved on the outside of the connecting rod (61), and a limiting ring (63) passing through the upper end of the connecting rod (61). The upper end of the connecting rod (61) passes through and protrudes from the upper end of the sampling bracket (3). The upper end of the return spring (62) abuts against the upper end of the sampling bracket (3). The lower end of the return spring (62) abuts against the upper end of the sealing pressure plate (5). The lower end of the limiting ring (63) abuts against the upper end of the sampling bracket (3).

4. A liquid sampling device according to claim 1, characterized in that: The sampling bracket (3) includes a lower support section (31) fixedly disposed on the upper end of the sampling base plate (1), an upper limit section (32) hingedly disposed on the upper end of the lower support section (31), and a locking structure (33) disposed between the lower support section (31) and the upper limit section (32). The locking structure (33) is used to fix the relative position of the lower support section (31) and the upper limit section (32). The abutting protrusion (4) is disposed on the lower inner wall of the upper limit section (32).

5. A liquid sampling device according to claim 4, characterized in that: The locking structure (33) includes a limiting bolt threaded to the outside of the upper limit section (32) of the bracket, the threaded section of the limiting bolt being used to abut against the outer wall of the lower support section (31) of the bracket.

6. A liquid sampling device according to claim 4, characterized in that: A limiting ring (9) is provided at the upper end of the lower support section (31) of the bracket, and the sampling bottle (2) is placed inside the limiting ring (9).

7. A liquid sampling device according to claim 1, characterized in that: The abutment protrusion (4) is provided with a threaded hole (10) running from top to bottom. An adjusting bolt (11) is threadedly connected in the threaded hole (10). The head of the adjusting bolt (11) is located above the abutment protrusion (4). The lower end of the threaded section of the adjusting bolt (11) is connected to an abutment rubber block (12) to press the sampling bottle (2) tightly against the upper end of the sampling base plate (1).

8. A liquid sampling device according to claim 7, characterized in that: The upper end of the abutting rubber block (12) is provided with a T-shaped connecting seat (13), and the upper end of the T-shaped connecting seat (13) is rotatably connected with a movable sleeve (14), which is threadedly connected to the lower end of the threaded section of the adjusting bolt (11).

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