CN220729703U - Water quality detection sampling device - Google Patents

Abstract

The utility model relates to the technical field of water quality sampling, and discloses a water quality detection sampling device, which comprises: a bracket; the sampling bottle is arranged on the bracket and detachably connected with the bracket; the bottle cap is detachably connected with the bottle mouth of the sampling bottle, a first through hole is formed in the top plate of the bottle cap, a return piece and a blocking head are arranged in the bottle cap, and the return piece is used for driving the blocking head to block the first through hole; and the driving device is used for driving the plugging head to overcome the acting force of the return piece and move away from the first through hole, so that the water quality sample enters the sampling bottle from the first through hole. The utility model reduces the production cost of the water quality sampling device, reduces the operation steps during sampling, realizes the rapid extraction of the water quality sample, and solves the problem that the sampling device is inconvenient to clean after use.

Description

Water quality detection sampling device

Technical Field

The utility model relates to the technical field of water quality sampling, in particular to a water quality detection sampling device.

Background

For the water quality detection of water areas such as oceans, rivers, lakes, reservoirs and the like, which is always taken as an important point of environmental protection, in order to strengthen the water environment quality monitoring and timely master the current water quality situation, the distribution condition of pollutants in the water body is determined, and then the sources and pollution paths of the pollutants and the influence on the health of a human body are traced, a large amount of on-site water quality sampling work is needed to be carried out so as to solve the timeliness and the accuracy of water quality data.

The patent with publication number CN216594356U discloses a groundwater stratified sampling device, and this patent drives the bottle lid of connecting rod lower extreme through the drive shaft and rotates, makes the passageway on the bottle lid stagger or coincide with the first through-hole on the sample bottle, realizes the closure or opening of sample bottle to accomplish groundwater sample work, this patent has the advantage that disturbance to groundwater is little and the sampling of a plurality of sample bottles of single actuating mechanism control has been realized. However, in the production and manufacturing process of the patent, the included angle between the channel and the first through hole needs to be accurately set, otherwise, groundwater sampling work is affected, and the sampling device is severely manufactured, so that the production cost is increased; in addition, before use, the sampling bottle needs to be pumped with air and negative pressure is ensured to be formed in the sampling bottle, otherwise, the water quality sampling work is difficult to control, and the use process becomes complicated; further, since the sampling bottle is fixedly connected with the support, the driving device is fixed on the upper portion of the support, and the driving device is connected with the bottle cap, the bottle cap cannot be directly taken out of the sampling bottle, and therefore the water quality sample is difficult to take out of the sampling bottle after the water quality sample is sampled, and the problem that the water quality sample is difficult to clean after the water quality sample is used is solved.

In view of this, how to change the current situations that the sampling device in the water quality layered sampling process in the prior art has high production cost, complicated use process, difficult water quality sample taking out, difficult cleaning after use and the like, becomes a technical problem to be solved by the person skilled in the art.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and aims to provide a water quality detection sampling device, so as to reduce the production cost of the water quality detection sampling device, reduce the operation steps during sampling, realize the rapid extraction of a water quality sample and solve the problem that the sampling device is inconvenient to clean after use.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: a water quality testing sampling device, comprising:

a bracket;

the sampling bottle is arranged on the bracket and detachably connected with the bracket;

the bottle cap is detachably connected with the bottle opening of the sampling bottle, a first through hole is formed in the top plate of the bottle cap, a return piece and a blocking head are arranged in the bottle cap, and the return piece is used for driving the blocking head to block the first through hole;

and the driving device is used for driving the plugging head to overcome the acting force of the return piece and move away from the first through hole, so that the water quality sample enters the sampling bottle from the first through hole.

Further, the lower surface of the top plate of the bottle cap extends downwards to form a hollow cavity, the bottom plate of the hollow cavity is connected with the lower end of the return piece, the upper end of the return piece is fixedly connected with the plugging head, second through holes are distributed in the bottom plate and/or the side wall of the hollow cavity, and the second through holes are arranged on the periphery of the return piece.

Further, the return piece includes first telescopic link and inlays to be established first compression spring in the first telescopic link, the lower extreme of first telescopic link with hollow chamber's bottom plate fixed connection, the upper end of first telescopic link with shutoff head fixed connection.

Further, a sealing strip is fixedly connected to the upper end of the first telescopic rod, and the sealing strip is arranged on the periphery of the blocking head.

Further, the driving device includes:

the driving motor is fixedly arranged at the top end of the bracket,

the connecting rod is vertically and fixedly connected with the output shaft of the driving motor, and one end, far away from the driving motor, of the connecting rod is fixedly connected with a second magnet;

the upper surface of the blocking head is fixedly connected with a first magnet in a embedding mode, magnetic poles of opposite faces of the first magnet and the second magnet are identical, and the driving motor drives the connecting rod to rotate so that the second magnet is overlapped with or staggered with the first magnet.

Further, the bracket includes:

the upper surface of the first supporting plate is provided with a groove, and the sampling bottle is embedded in the groove;

the second support plate is arranged above the first support plate and is opposite to the first support plate, the driving motor is fixedly connected to the upper surface of the second support plate, and an output shaft of the driving motor penetrates through the second support plate and is fixedly connected with the connecting rod;

the sampling bottle comprises a first supporting plate, a second supporting plate, a supporting rod and a clamping plate, wherein the supporting rod and the clamping plate are arranged between the first supporting plate and the second supporting plate, two ends of the supporting rod are respectively fixedly connected with the first supporting plate and the second supporting plate, the clamping plate is in sliding connection with the supporting rod, a third through hole is formed in the clamping plate, and the third through hole is sleeved at the bottleneck of the sampling bottle;

and the second telescopic rod is arranged between the clamping plate and the second supporting plate, two ends of the second telescopic rod are respectively fixedly connected with the clamping plate and the second supporting plate, and a second compression spring is embedded in the second telescopic rod.

Further, the driving motor is a servo motor or a stepping motor.

Further, the upper surface of the second supporting plate is provided with a lifting lug, and the lower surface of the first supporting plate is provided with an inverted conical block.

Compared with the prior art, the utility model has at least the following advantages:

in the manufacturing and mounting process, the bracket and the sampling bottle have no fixed angle setting relation, the mounting position is not required to be corrected repeatedly, and the production cost of the water quality detection sampling device is reduced. When sampling is carried out, the water quality monitoring sampling device is only required to be placed into a designated depth, the driving device is used for driving the plugging head to overcome the acting force of the return piece and move away from the first through hole, the water quality sample can enter the sampling bottle from the first through hole, after the water quality sample collection is completed, the driving force of the driving device is removed, the plugging head moves towards the direction of the first through hole under the acting force of the return piece, the plugging process of the first through hole is further realized, the sampling bottle is not required to be subjected to air extraction treatment in the process, the operation steps in the sampling process are reduced, the collected water quality sample is isolated from surrounding water bodies, and the accuracy of the water quality sample collection process is ensured. After the sampling of the water quality sample is finished, the sampling bottle is taken down from the bracket, and the bottle cap is taken down from the sampling bottle, so that the rapid water quality sample taking-out process can be realized. In addition, because the connection relation can be dismantled to two in support, sample bottle and the bottle lid, has made things convenient for the water quality monitoring sampling device cleaning process after using.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of a water quality detection sampling device according to the present utility model;

FIG. 2 is a cross-sectional view of a water quality testing and sampling device according to the present utility model;

FIG. 3 is an enlarged view of a portion of the area A of FIG. 2 in accordance with the present utility model;

FIG. 4 is an enlarged view of a portion of the area B of FIG. 2 in accordance with the present utility model;

FIG. 5 is an exploded view of the water quality detecting and sampling device of the present utility model.

Reference numerals: 1. a bracket; 2. sampling bottle; 3. a bottle cap; 4. a driving device; 5. lifting lugs; 6. an inverted cone block; 11. a first support plate; 12. a clamping plate; 13. a third through hole; 14. a second support plate; 15. a support rod; 16. a second telescopic rod; 17. a second compression spring; 31. a first through hole; 32. a second through hole; 33. a first telescopic rod; 34. a first compression spring; 35. a blocking head; 36. a first magnet; 41. a driving motor; 42. a connecting rod; 43. and a second magnet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1 and 5, the utility model provides a water quality detection sampling device, which comprises a bracket 1, a sampling bottle 2, a bottle cap 3 and a driving device 4.

Wherein the bracket 1 is the supporting structure of the utility model. The sampling bottle 2 is used for the quality of water sampling, and sampling bottle 2 is provided with a plurality of, and a plurality of sampling bottles 2 are circumference array distribution, and sampling bottle 2 sets up on support 1 and can dismantle with support 1 and be connected. The bottle cap 3 is detachably connected with the bottle opening threads of the sampling bottle 2, a first through hole 31 is formed in the bottle cap 3, a return piece and a blocking head 35 are arranged in the bottle cap 3, the blocking head 35 is matched with the first through hole 31, and the return piece is used for driving the blocking head 35 to block the first through hole 31. The driving device 4 is used for driving the blocking head 35 to overcome the acting force of the return piece and move away from the first through hole 31, so that the water quality sample enters the sampling bottle 2 from the first through hole 31.

Preferably, referring to fig. 2 in combination, the lower surface of the top plate of the bottle cap 3 extends downwards to form a hollow cavity, the bottom plate of the hollow cavity is connected with the lower end of a return element, the upper end of the return element is fixedly connected with a plugging head 35, a second through hole 32 is arranged on the bottom plate of the hollow cavity and/or the side wall of the hollow cavity, and the second through hole 32 is arranged on the periphery of the return element; the driving device 4 is used for driving the blocking head 35 to overcome the acting force of the return piece and move away from the first through hole 31, so that the water quality sample sequentially enters the sampling bottle 2 through the first through hole 31 and the second through hole 32.

In the water quality sample collection process, the driving device 4 drives the blocking head 35 to overcome the acting force of the return piece and move away from the first through hole 31, so that the water quality sample sequentially enters the sampling bottle 2 through the first through hole 31 and the second through hole 32, and the water quality sample collection process is realized; after the water quality sample is collected, the acting force of the driving device 4 on the plugging head 35 is removed, the plugging head 35 moves upwards under the acting force of the return piece, the first through hole 31 is plugged again, and the sealing process of the sampling bottle 2 is realized.

Optionally, the return piece includes first telescopic link 33 and first compression spring 34, and first telescopic link 33 is the cavity pole, and first compression spring 34 is inlayed to first telescopic link 33 inside, and the bottom plate fixed connection of cavity is followed to the lower extreme of first telescopic link 33, and the upper end and the shutoff head 35 fixed connection of first telescopic link 33.

Preferably, a sealing strip is fixedly connected to the upper end of the first telescopic rod 33, and the sealing strip is arranged on the periphery of the plugging head 35. When the first through hole 31 is plugged by the plugging head 35, the upper end of the first telescopic rod 33 and the lower surface of the top plate of the bottle cap are sealed by a sealing strip.

Preferably, the driving device 4 includes a driving motor 41, a link 42, and a second magnet 43. Wherein, driving motor 41 fixed mounting is at support 1 top, driving motor 41 is preferably servo motor or step motor, driving motor 41 passes through control equipment such as PLC and controls its rotation angle, driving motor 41 outside is shone and is had sealed cowling (not shown in the figure), driving motor 41 sets up in the sealed cowling, in order to avoid groundwater to driving motor 41's corruption, extension driving motor 41's life, driving motor 41's output shaft and connecting rod 42 fixed connection, connecting rod 42 sets up with driving motor 41's output shaft is perpendicular, connecting rod 42 is kept away from driving motor 41's one end fixedly connected with second magnet 43, and a plurality of sampling bottle 2 are circumference array distribution along driving motor 41's output shaft. In addition, the upper surface of the plugging head 35 is fixedly connected with a first magnet 36, the magnetic poles of the opposite surfaces of the first magnet 36 and a second magnet 43 are the same, and the driving motor 41 drives the connecting rod 42 to rotate, so that the second magnet 43 is overlapped with or staggered from the first magnet 36.

Preferably, the bracket 1 includes a first support plate 11, a clamping plate 12, a second support plate 14, a support rod 15, a second telescopic rod 16, and a second compression spring 17. The first supporting plate 11, the clamping plate 12 and the second supporting plate 14 are sequentially arranged from bottom to top, a groove is formed in the upper surface of the first supporting plate 11, and a sampling bottle 2 is embedded in the groove; the second supporting plate 14 is arranged opposite to the upper part of the first supporting plate 11, the upper surface of the second supporting plate 14 is fixedly connected with a driving motor 41, and an output shaft of the driving motor 41 penetrates through the second supporting plate 14 and is fixedly connected with a connecting rod 42; the supporting rod 15 is arranged between the first supporting plate 11 and the second supporting plate 14 along the vertical direction, and two ends of the supporting rod 15 are fixedly connected with the first supporting plate 11 and the second supporting plate 14 respectively; the clamping plate 12 is in sliding connection with the supporting rod 15, a third through hole 13 is formed in the clamping plate 12, and the third through hole 13 is sleeved at the bottleneck of the sampling bottle 2; the second telescopic rod 16 is arranged between the clamping plate 12 and the second supporting plate 14, two ends of the second telescopic rod 16 are fixedly connected with the clamping plate 12 and the second supporting plate 14 respectively, the second telescopic rod 16 is a hollow rod, and a second compression spring 17 is embedded in the second telescopic rod 16.

Preferably, the upper surface of the second supporting plate 14 is provided with a lifting lug 5, a lifting rope is connected to the lifting lug 5, and the lower surface of the first supporting plate 11 is provided with an inverted conical block 6.

The working principle of the utility model is as follows:

referring to fig. 2-4, before use, the bottle cap 3 is mounted on the sampling bottle 2 in a screwing manner, the clamping plate 12 is pressed to move towards the second supporting plate 14, so that the second telescopic rod 16 is compressed, the sampling bottle 2 is further placed in the groove of the first supporting plate 11, the clamping plate 12 is driven by the second telescopic rod 16 to move towards the first supporting plate 11 under the action of the second compression spring 17 through releasing the clamping plate 12, the bottleneck of the sampling bottle 2 is embedded in the third through hole 13, the mounting process between the sampling bottle 2 and the bracket 1 is completed, and the staggered arrangement of the blocking head 35 and one end, far away from the driving motor 41, of the connecting rod 42 is ensured.

During sampling, the sampling bottle 2 is placed in the sampling water by controlling the lifting rope, the water quality sample can be sequentially introduced into the sampling bottle 2 through the first through hole 31 and the second through hole 32, the driving motor 41 rotates again after the water quality sample is sampled, one end of the connecting rod 42, which is far away from the driving motor 41, is arranged opposite to the plugging head 35 by controlling the driving motor 41, the first magnet 36 and the second magnet 43 are oppositely arranged and generate mutual repulsive force, the acting force of the mutual repulsive force is larger than the elastic force of the first compression spring 34, the plugging head 35 moves away from the first through hole 31, the water quality sample can be sequentially introduced into the sampling bottle 2 through the first through hole 31 and the second through hole 32, the end of the connecting rod 42, which is far away from the driving motor 41, is arranged in a staggered manner with the plugging head 35 under the action of the first compression spring 34, and the plugging process of the first through hole 31 is completed. By driving the motor 41 to rotate again, the above process is circulated, and the water quality sample collection process of other sampling bottles 2 can be realized.

After the sampling is completed, the clamping plate 12 is pressed to move towards the second supporting plate 14, the second telescopic rod 16 is compressed, the bottleneck of the sampling bottle 2 is not sleeved in the third through hole 13, the sampling bottle 2 can be taken down from the first supporting plate 11, and the bottle cap 3 is taken down from the sampling bottle 2, so that the rapid water quality sample taking-out process can be realized.

In the manufacturing and mounting process, the bracket 1 and the sampling bottle 2 have no fixed angle setting relation, the mounting position is not required to be corrected repeatedly, and the production cost of the water quality detection sampling device is reduced. When sampling is carried out, the water quality monitoring and sampling device is only required to be placed into a designated depth, the connecting rod 42 is driven by the driving motor 41 to rotate, the water quality sample collecting process can be realized, the collected water quality sample is isolated from surrounding water bodies, and the accuracy of the water quality sample collecting process is ensured. After the water quality sample is sampled, the sampling bottle 2 is taken down from the bracket 1, and the bottle cap 3 is taken down from the sampling bottle 1, so that the water quality sample can be rapidly taken out. In addition, as the detachable connection relation is adopted among the bracket 1, the sampling bottle 2 and the bottle cap 3, the cleaning process of the water quality monitoring sampling device after use is facilitated.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (8)

1. A water quality testing sampling device, characterized by comprising:

a bracket (1);

the sampling bottle (2) is arranged on the bracket (1) and is detachably connected with the bracket (1);

the bottle cap (3) is detachably connected with the bottle opening of the sampling bottle (2), a first through hole (31) is formed in the top plate of the bottle cap (3), a return piece and a blocking head (35) are arranged in the bottle cap (3), and the return piece is used for driving the blocking head (35) to block the first through hole (31);

and the driving device (4) is used for driving the plugging head (35) to overcome the acting force of the return piece and move away from the first through hole (31), so that the water quality sample enters the sampling bottle (2) from the first through hole (31).

2. The water quality detection sampling device according to claim 1, wherein,

the bottle cap is characterized in that a hollow cavity is formed in the downward extension of the lower surface of the top plate of the bottle cap (3), the bottom plate of the hollow cavity is connected with the lower end of the return piece, the upper end of the return piece is fixedly connected with the plugging head (35), a second through hole (32) is formed in the bottom plate and/or the side wall of the hollow cavity, and the second through hole (32) is arranged on the periphery of the return piece.

3. The water quality detection sampling device according to claim 2, wherein the return piece comprises a first telescopic rod (33) and a first compression spring (34) embedded in the first telescopic rod (33), the lower end of the first telescopic rod (33) is fixedly connected with the bottom plate of the hollow cavity, and the upper end of the first telescopic rod (33) is fixedly connected with the plugging head (35).

4. A water quality detecting and sampling device according to claim 3, characterized in that a sealing strip is fixedly connected to the upper end of the first telescopic rod (33), and the sealing strip is arranged on the periphery of the plugging head (35).

5. A water quality testing sampling device according to claim 3, characterized in that the driving means (4) comprises:

a driving motor (41) fixedly arranged at the top end of the bracket (1),

the connecting rod (42) is vertically and fixedly connected with the output shaft of the driving motor (41), and one end, far away from the driving motor (41), of the connecting rod (42) is fixedly connected with a second magnet (43);

the upper surface of the plugging head (35) is fixedly connected with a first magnet (36), magnetic poles of opposite surfaces of the first magnet (36) and a second magnet (43) are the same, and the driving motor (41) drives the connecting rod (42) to rotate, so that the second magnet (43) is overlapped with or staggered from the first magnet (36).

6. The water quality detection sampling device according to claim 5, wherein the bracket (1) comprises:

the sampling device comprises a first supporting plate (11), wherein a groove is formed in the upper surface of the first supporting plate (11), and the sampling bottle (2) is embedded in the groove;

the second support plate (14) is arranged above the first support plate (11) and is opposite to the first support plate (11), the driving motor (41) is fixedly connected to the upper surface of the second support plate (14), and an output shaft of the driving motor (41) penetrates through the second support plate (14) and is fixedly connected with the connecting rod (42);

the sampling bottle comprises a supporting rod (15) and a clamping plate (12) which are arranged between a first supporting plate (11) and a second supporting plate (14), wherein two ends of the supporting rod (15) are fixedly connected with the first supporting plate (11) and the second supporting plate (14) respectively, the clamping plate (12) is in sliding connection with the supporting rod (15), a third through hole (13) is formed in the clamping plate (12), and the third through hole (13) is sleeved at the bottleneck of the sampling bottle (2);

and a second telescopic rod (16) arranged between the clamping plate (12) and the second supporting plate (14), wherein two ends of the second telescopic rod (16) are fixedly connected with the clamping plate (12) and the second supporting plate (14) respectively, and a second compression spring (17) is embedded in the second telescopic rod (16).

7. The water quality detection sampling device according to claim 6, wherein the driving motor (41) is a servo motor or a stepper motor.

8. The water quality detection sampling device according to claim 7, wherein the upper surface of the second supporting plate (14) is provided with a lifting lug (5), and the lower surface of the first supporting plate (11) is provided with an inverted conical block (6).