Continuous automatic liquid extraction device

Abstract

The utility model relates to the technical field of sewage treatment, and particularly discloses a continuous automatic liquid extraction device which comprises a supporting frame installed in a box body, an extraction barrel is installed on the supporting frame through a fastener, a piston rod is vertically connected in the extraction barrel in a sliding mode, and the piston rod is connected with the box body in a sliding mode. A power piece for driving the piston rod to vertically slide in the extraction barrel is arranged in the extraction barrel; the power piece comprises a threaded block slidably connected into the supporting frame, the threaded block is connected with the piston rod through a clamping piece, and a driving unit used for driving the threaded block to vertically slide is arranged in the supporting frame. After the extraction operation is completed, the clamping piece is operated firstly, the threaded block is driven to be separated from the piston rod, and the extraction barrel is separated through the fastening piece, so that the cleaning operation of the extraction barrel and the piston rod is facilitated, the influence of retained liquid on the accuracy of later sewage detection can be avoided, and the practicability of the extraction device is improved.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically to a continuous automatic liquid extraction device. Background Technology

[0002] With the development of the times and the continuous improvement of people's living standards, people's requirements for the living environment are also getting higher and higher. With the progress of industrialization, the generation of sewage has become inevitable. Therefore, sewage treatment is receiving more and more attention. The sewage treatment process is the process of purifying sewage to meet the water quality requirements for discharge into a certain water body or reuse. Before discharge or to meet the water quality requirements for reuse, in order to ensure the treatment effect, water quality monitoring devices are needed to detect whether the treated water quality meets certain standards.

[0003] In the wastewater treatment process, the treatment equipment processes the wastewater sample. Before processing, the wastewater sample is placed on a platform and an extraction mechanism is used to transport the wastewater sample to a designated detection device for testing.

[0004] However, in existing liquid extraction devices, the extraction unit is typically fixed at a predetermined location, and the extraction operation is driven by a power unit. It is known that to improve the accuracy of wastewater testing, the extraction unit needs to be cleaned promptly after the extraction process to prevent residual liquid inside from affecting the test results. However, because the extraction unit is fixed at a predetermined location, disassembly is inconvenient, presenting a certain drawback. Utility Model Content

[0005] The purpose of this invention is to provide a continuous automatic liquid extraction device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a continuous automatic liquid extraction device, comprising a support frame installed inside a housing, an extraction cylinder mounted on the support frame by fasteners, a piston rod vertically slidably connected inside the extraction cylinder, and a power component for driving the piston rod to slide vertically inside the extraction cylinder; the power component includes a threaded block slidably connected inside the support frame, the threaded block being connected to the piston rod by a snap-fit ​​component, and a drive unit for driving the threaded block to slide vertically inside the support frame.

[0007] Furthermore, the drive unit includes a drive screw rotatably connected inside the support frame, the threaded block is threadedly connected to the drive screw, and a power motor is mounted on the bottom of the support frame, the power motor being coaxially connected to the drive screw.

[0008] Furthermore, the fastener includes a fastening frame fixedly connected to the support frame, with clamping plates slidably connected to each other inside the fastening frame, and a pressure-applying part provided on the fastening frame for the two clamping plates to slide towards each other.

[0009] Furthermore, the pressure-applying part includes a bidirectional threaded rod rotatably connected to the fastening frame, and a fixing block is fixedly connected to each of the clamping plates, with two fixing blocks threadedly connected to both sides of the bidirectional threaded rod respectively.

[0010] Furthermore, an extension block is fixedly connected to the piston rod, a connecting block is fixedly connected to the threaded block, an clearance groove is provided on the extension block, the connecting block is slidably connected to the clearance groove, and a snap-fit ​​component is disposed between the extension block and the connecting block.

[0011] Furthermore, the locking member includes a locking rod that is vertically slidably connected to the extension block. The connecting block has a locking groove, and the extension block is provided with an elastic element. The elastic force of the elastic element drives the locking rod to engage in the locking groove.

[0012] Furthermore, the elastic element includes a cover plate fixedly connected to the locking rod, and an installation groove is provided on the extension block. The locking rod is vertically slidably connected in the installation groove, and a locking spring is provided between the cover plate and the installation groove.

[0013] Furthermore, a lid is rotatably connected to the box body.

[0014] Furthermore, an extraction unit is installed inside the housing, and the extraction cylinder is connected to the extraction unit via a connecting pipe.

[0015] Compared with existing technologies, the beneficial effects of this utility model are as follows: This continuous automatic liquid extraction device, through the cooperation of the support frame, extraction cylinder, piston rod, threaded block, snap-fit ​​component, and drive unit, allows for liquid extraction. First, the extraction cylinder is fastened to the side wall of the support frame using fasteners. Then, the piston rod drives the sealing gasket to slide inside the extraction cylinder, creating negative pressure and thus enabling liquid extraction. After extraction, the snap-fit ​​component is operated to separate the threaded block from the piston rod, and the extraction cylinder is then separated using fasteners. This facilitates cleaning of the extraction cylinder and piston rod, preventing residual liquid from affecting the accuracy of subsequent wastewater testing and improving the practicality of the extraction device. Attached Figure Description

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 A schematic diagram of the overall structure provided for an embodiment of this utility model;

[0018] Figure 2 This is a schematic diagram of the box structure from another perspective provided in an embodiment of the present utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the box provided in an embodiment of the present utility model;

[0020] Figure 4 This is a schematic diagram of the support frame installation structure provided in an embodiment of the present utility model;

[0021] Figure 5 A schematic diagram of the power component structure provided for an embodiment of this utility model;

[0022] Figure 6 This is a schematic diagram of a partial explosion state structure provided for an embodiment of the present utility model.

[0023] Explanation of reference numerals in the attached drawings: 1. Box body; 2. Box cover; 3. Support frame; 4. Extraction unit; 5. Switching valve; 6. Bearing cylinder; 7. Connecting pipe; 8. Extraction cylinder; 9. Piston rod; 10. Drive screw; 11. Threaded block; 12. Power motor; 13. Fastening frame; 14. Clamping plate; 15. Fixing block; 16. Bidirectional threaded rod; 17. Sealing gasket; 18. Extension block; 19. Clearance groove; 20. Connecting block; 21. Locking rod; 22. Elastic element; 23. Locking groove. Detailed Implementation

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Please see Figure 1-6This utility model provides a technical solution: a continuous automatic liquid extraction device, including a support frame 3 installed inside a housing 1, an extraction cylinder 8 installed on the support frame 3 by fasteners, a piston rod 9 vertically slidably connected inside the extraction cylinder 8, and a power component for driving the piston rod 9 to slide vertically inside the extraction cylinder 8; the power component includes a threaded block 11 slidably connected inside the support frame 3, the threaded block 11 and the piston rod 9 being connected by a snap-fit ​​component, and a drive unit for driving the threaded block 11 to slide vertically inside the support frame 3.

[0026] Specifically, this continuous automatic liquid extraction device includes a support frame 3 installed inside the housing 1. The support frame 3 is rotatably connected to the housing 1 with built-in damping, facilitating the storage and use of the extraction device. An extraction cylinder 8 is mounted on the support frame 3 via fasteners, thus facilitating the installation and removal of the extraction cylinder 8 during use. A piston rod 9 is vertically slidably connected inside the extraction cylinder 8. Preferably, a sealing gasket 17 is provided between the piston rod 9 and the extraction cylinder 8. Therefore, when the piston rod 9 slides inside the extraction cylinder 8, a negative pressure is generated inside the extraction cylinder 8, enabling the extraction of liquid. Furthermore, a power component is provided inside the extraction cylinder 8 to drive the piston rod 9 to slide vertically within the extraction cylinder 8, meeting operational requirements. The power component includes a threaded block 11 slidably connected inside the support frame 3. The threaded block 11 is connected to the piston rod 9 via a snap-fit ​​connector. The snap-fit ​​connector facilitates the installation and removal of the piston rod 9 and the threaded block 11, improving the practicality of the extraction device. The support frame 3 is equipped with a drive unit for vertically sliding the threaded block 11, further meeting operational requirements. Therefore, when using this extraction device, the extraction cylinder 8 is first installed on the side wall of the support frame 3 using fasteners. The piston rod 9 is then driven to slide the sealing gasket 17 inside the extraction cylinder 8, creating negative pressure inside the extraction cylinder 8 to extract the liquid. After extraction, the snap-fit ​​mechanism is operated to separate the threaded block 11 from the piston rod 9, and the extraction cylinder 8 is then separated using fasteners. This facilitates cleaning of the extraction cylinder 8 and piston rod 9, preventing residual liquid from affecting the accuracy of subsequent wastewater testing and improving the practicality of the extraction device. Inside the housing 1, a carrier cylinder 6 for storing the liquid to be tested is also provided. The extraction cylinder 8 and the carrier cylinder 6 are connected by a connecting pipe 7. More specifically, a switching valve 5 is installed on the extraction unit 4, and the carrier cylinder 6 and the switching valve 5 are connected by another connecting pipe 7. In the embodiments provided by this utility model, an extraction unit 4 is installed inside the housing 1, the extraction cylinder 8 is connected to the extraction unit 4 through a connecting pipe 7, and the switching valve 5 is connected to the extraction unit 4 through an additional connecting pipe 7, which facilitates the use of the extraction assembly.

[0027] In the embodiments provided by this utility model, the driving unit includes a driving screw 10 rotatably connected inside the support frame 3, a threaded block 11 threadedly connected to the driving screw 10, and a power motor 12 installed on the bottom of the support frame 3. The power motor 12 is coaxially connected to the driving screw 10, so that the driving screw 10 can be rotated by the power motor 12 to realize the vertical sliding of the threaded block 11 and meet the working requirements.

[0028] In the embodiments provided by this utility model, the fastener includes a fastening frame 13 fixedly connected to the support frame 3. Clamping plates 14 are slidably connected to each other inside the fastening frame 13. The fastening frame 13 is provided with a pressure part for the two clamping plates 14 to slide towards each other. The pressure part includes a bidirectional threaded rod 16 rotatably connected to the fastening frame 13. A fixing block 15 is fixedly connected to each clamping plate 14. The two fixing blocks 15 are respectively threaded to both sides of the bidirectional threaded rod 16. When the bidirectional threaded rod 16 rotates, it will drive the clamping plates 14 to slide through the two fixing blocks 15 respectively, and perform clamping operation on the extraction cylinder 8.

[0029] In the embodiment provided by this utility model, an extension block 18 is fixedly connected to the piston rod 9, and a connecting block 20 is fixedly connected to the threaded block 11. An avoidance groove 19 is provided on the extension block 18, and the connecting block 20 is slidably connected to the avoidance groove 19. A snap-fit ​​element is disposed between the extension block 18 and the connecting block 20. The snap-fit ​​element includes a locking rod 21 vertically slidably connected to the extension block 18. A locking groove 23 is provided on the connecting block 20, and an elastic element 22 is provided on the extension block 18. The elastic force of the elastic element 22 drives the locking rod 21 to snap into the locking groove 23. Therefore, when it is necessary to connect the piston rod 9 and the threaded block 11, the elastic force of the elastic element 22 is overcome upwards, causing the locking rod 21 to move away from the locking groove 23. Then, the connecting block 20 is snapped into the extension block 18 through the avoidance groove 19. Afterwards, the elastic element 22 is released, and during the process of the elastic element 22 recovering its elastic deformation, it drives the locking rod 21 to snap into the locking groove 23, thus fixing the connecting block 20.

[0030] In the embodiments provided by this utility model, the elastic element 22 includes a cover plate fixedly connected to the locking rod 21, and an installation groove is provided on the extension block 18. The locking rod 21 is vertically slidably connected in the installation groove, and a locking spring is provided between the cover plate and the installation groove.

[0031] In the embodiments provided by this utility model, a box cover 2 is rotatably connected to the box body 1, which facilitates the transportation and storage of the entire extraction device.

[0032] It should be noted that all electrical equipment involved in this application can be powered by batteries or external power sources.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A continuous automatic liquid extraction device, comprising a support frame (3) installed inside a housing (1), characterized in that: An extraction cylinder (8) is installed on the support frame (3) by fasteners. A piston rod (9) is vertically slidably connected inside the extraction cylinder (8), and a power component is provided inside the extraction cylinder (8) to drive the piston rod (9) to slide vertically inside the extraction cylinder (8). The power component includes a threaded block (11) inside the sliding connection support frame (3), and the threaded block (11) is connected to the piston rod (9) through a snap-fit ​​component; Furthermore, the support frame (3) is equipped with a drive unit for driving the threaded block (11) to slide vertically.

2. The continuous automatic liquid extraction device according to claim 1, characterized in that: The drive unit includes a drive screw (10) rotatably connected inside the support frame (3), the threaded block (11) is threadedly connected to the drive screw (10), and a power motor (12) is installed on the bottom of the support frame (3), the power motor (12) is coaxially connected to the drive screw (10).

3. The continuous automatic liquid extraction device according to claim 1, characterized in that: The fastener includes a fastening frame (13) fixedly connected to the support frame (3), and clamping plates (14) are slidably connected to each other inside the fastening frame (13). The fastening frame (13) is provided with a pressure part for the two clamping plates (14) to slide towards each other.

4. The continuous automatic liquid extraction device according to claim 3, characterized in that: The pressure-applying part includes a bidirectional threaded rod (16) rotatably connected to the fastening frame (13), and a fixing block (15) is fixedly connected to each of the clamping plates (14), with the two fixing blocks (15) threadedly connected to both sides of the bidirectional threaded rod (16).

5. The continuous automatic liquid extraction device according to claim 1, characterized in that: An extension block (18) is fixedly connected to the piston rod (9), and a connecting block (20) is fixedly connected to the threaded block (11). An avoidance groove (19) is provided on the extension block (18), and the connecting block (20) is slidably connected to the avoidance groove (19). A snap-fit ​​is provided between the extension block (18) and the connecting block (20).

6. The continuous automatic liquid extraction device according to claim 5, characterized in that: The snap-fit ​​component includes a locking rod (21) that is vertically slidably connected to the extension block (18). The connecting block (20) has a locking groove (23), and the extension block (18) is provided with an elastic element (22). The elastic force of the elastic element (22) drives the locking rod (21) to snap into the locking groove (23).

7. A continuous automatic liquid extraction device according to claim 6, characterized in that: The elastic element (22) includes a cover plate fixedly connected to the locking rod (21), and an installation groove is provided on the extension block (18). The locking rod (21) is vertically slidably connected in the installation groove, and a locking spring is provided between the cover plate and the installation groove.

8. The continuous automatic liquid extraction device according to claim 1, characterized in that: A lid (2) is rotatably connected to the box body (1).

9. A continuous automatic liquid extraction device according to claim 1, characterized in that: The housing (1) is equipped with an extraction unit (4), and the extraction cylinder (8) is connected to the extraction unit (4) through a connecting pipe (7).

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