Automatic filtering device for water quality detection

Abstract

The utility model relates to the technical field of water quality detection, in particular to an automatic filtering device for water quality detection, which comprises a water storage tank, a filter bag is sleeved in the water storage tank, a base structure is clamped at the bottom of the water storage tank, the water storage tank comprises a tank body, a bayonet is arranged at an upper opening of the tank body, and a rotary opening is arranged at the lower edge of the outer side of the bayonet. The filter bag comprises a filter bag clamping ring, and the inner side of the filter bag clamping ring is fixedly connected with a bag body. According to the utility model, the filter bag snap ring is clamped at the bayonet, the bag body is stuffed into the tank body, the filter bag snap ring is pressed, a water sample is poured into the tank body, the gland is closed, the filter bag snap ring is pressed by the edge of the bottom side of the gland, the upper end of the bag body is pressed and fixed, after centrifugation and standing, force is applied to the filter bag snap ring, the bag body is lifted out, and layered deposited particles are taken out. After filtering is completed, impurities can be directly taken out and cleaned away by taking out the disposable filter bag.

Description

Technical Field

[0001] The utility model relates to the technical field of water quality detection, in particular to an automatic filtering device for water quality detection. Background Art

[0002] In the process of water quality testing with a water quality meter, sewage samples usually need to be filtered before testing to ensure accurate and reliable water quality data and eliminate possible interference factors. This can improve the accuracy and reliability of the test, protect the instrument and equipment, and obtain more real and reliable water quality data, which requires the use of a filtering device.

[0003] Some of the current filtering devices for water quality testing, such as an automatic filtering device for water quality testing published with publication number CN219128531U, generally use filter elements, filter plates and other filtering devices that are used multiple times and for a long time. After repeated use, the filter elements and filter plates will stick to impurities in different water samples, which may contaminate other water samples and affect the accuracy of water quality testing. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic filtering device for water quality detection to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An automatic filtering device for water quality detection comprises a water storage tank, a filter bag is sleeved inside the water storage tank, a base structure is clamped at the bottom of the water storage tank, the water storage tank comprises a tank body, a bayonet is provided at the upper opening of the tank body, a screw hole is provided at the lower edge of the outer side of the bayonet, the screw hole is screwed together with a pressure cover, and the filter bag comprises a filter bag clamp ring, and the bag body is fixedly connected to the inner side of the filter bag clamp ring.

[0007] Furthermore, a magnetic base ring is fixedly installed on the inner wall of the tank.

[0008] Furthermore, a No. 1 bearing is embedded in the lower edge of the inner wall of the tank body, the inner ring of the No. 1 bearing is fixedly connected to the outer surface of the rotating fan blade, the bottom side of the rotating fan blade is fixedly connected to the motor connecting clamp end, and a bottom clamp ring is fixedly installed at the bottom edge of the tank body.

[0009] Furthermore, a connecting cloth is fixedly installed at the bottom edge of the bag body, and a magnetic pendant ring is fixedly installed on the bottom side of the connecting cloth.

[0010] Furthermore, the base structure includes a base plate, a support foot is fixedly installed on the bottom edge of the base plate, a tank body connecting slot is opened on the edge of the upper surface of the base plate, a No. 2 bearing is embedded in the middle of the upper surface of the base plate, a fan blade docking groove is fixedly installed on the inner ring of the No. 2 bearing, the bottom side of the fan blade docking groove is fixedly connected to the output end of the drive motor, and the drive motor is embedded in the bottom of the base plate.

[0011] Furthermore, the filter bag clamping ring and the clamping port are clamped to each other, and the magnetic pendant ring and the magnetic base ring are adsorbed and clamped to each other.

[0012] Furthermore, the bottom clamping ring and the tank body connecting clamping groove are clamped together, and the motor connecting clamping end and the fan blade docking groove are clamped together.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. Connect the water storage tank to the base structure, take out the disposable filter bag, connect the filter bag clamp ring to the clamp port, and insert the bag into the tank, press the filter bag clamp ring, and pour the water sample that needs to be tested into the tank, screw on the pressure cover, use the bottom edge of the pressure cover to press the filter bag clamp ring, and press and fix the upper end of the bag. After centrifugation and standing, unscrew the pressure cover, and lift the bag out by applying force to the filter bag clamp ring, remove the layered sediment particles, and leave qualified filtered water samples. After the filtration is completed, the disposable filter bag can be taken out to directly remove the impurities and clean them up. The water storage tank can be directly removed and moved for testing. It is equipped with bags with different aperture specifications, the most common ones are 0.45 microns, 0.22 microns, etc. The testers can choose according to actual needs.

[0015] 2. The base plate and the tank body are designed to be a snap-fit ​​structure, and the power transmission path between the rotating fan blades and the driving motor is also designed to be snap-fitted. This can ensure that the rotating fan blades can rotate normally while allowing the tank body and the base plate to be freely snapped in and out of the way. The tank body can be directly moved as a sample container to avoid increasing the probability of other substances being mixed in when changing different sample containers, thereby affecting the accuracy of water sample detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of a water storage tank in the utility model;

[0018] Figure 3 This is a schematic diagram of the filter bag in the utility model;

[0019] Figure 4 It is a schematic diagram of the base structure in the utility model.

[0020] In the figure: 1. water storage tank; 101. tank body; 102. bayonet; 103. screw mouth; 104. pressure cover; 105. magnetic base ring; 106. No. 1 bearing; 107. rotating fan blade; 108. motor connection card end; 109. bottom clamp ring; 2. filter bag; 201. filter bag clamp ring; 202. bag body; 203. connecting cloth; 204. magnetic pendant ring; 3. base structure; 301. base plate; 302. support foot; 303. tank body connection card slot; 304. No. 2 bearing; 305. fan blade docking slot; 306. drive motor. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figures 1 to 4 In an embodiment of the utility model, an automatic filtering device for water quality detection includes a water storage tank 1, a filter bag 2 is sleeved inside the water storage tank 1, a base structure 3 is clamped at the bottom of the water storage tank 1, the water storage tank 1 includes a tank body 101, a bayonet 102 is provided at the opening of the tank body 101, a screw hole 103 is provided at the lower edge of the outer side of the bayonet 102, and the screw hole 103 is screwed with the pressure cover 104, the filter bag 2 includes a filter bag clamp 201, and the inner side of the filter bag clamp 201 is fixedly connected to the bag body 202; the filter bag clamp 201 and the bayonet 102 are clamped together, and the magnetic pendant ring 204 and the magnetic base ring 105 are adsorbed and clamped to each other.

[0023] Specifically, the water storage tank 1 is clamped on the base structure 3, the disposable filter bag 2 is taken out, the filter bag clamp ring 201 is clamped on the clamp port 102, and the bag body 202 is inserted into the interior of the tank body 101 to press the filter bag clamp ring 201, and the water sample that needs to be tested for water quality is poured into the interior of the tank body 101, and the upper pressure cover 104 is screwed on, and the filter bag clamp ring 201 is pressed by the bottom edge of the pressure cover 104 to press and fix the upper end of the bag body 202. After centrifugation and standing, the pressure cover 104 is unscrewed, and the bag body 202 is lifted out by applying force to the filter bag clamp ring 201 to remove the layered sediment particles and leave a qualified filtered water sample. After the filtration is completed, the disposable filter bag 2 can be taken out to directly remove the impurities and clean them up. The water storage tank 1 can be directly removed and moved for testing. The bag body 202 is equipped with different aperture specifications, the common ones are 0.45 microns, 0.22 microns, etc., and the testers can choose according to actual needs.

[0024] Embodiment 1

[0025] like Figure 2-3 As shown, in this embodiment, a magnetic base ring 105 is fixedly installed on the inner wall of the tank body 101; a connecting cloth 203 is fixedly installed at the bottom edge of the bag body 202, and a magnetic pendant ring 204 is fixedly installed on the bottom side of the connecting cloth 203.

[0026] In this embodiment, when the bag body 202 is inserted into the interior of the tank body 101, the magnetic attraction force is utilized to make the magnetic base ring 105 and the magnetic pendant ring 204 magnetically engage with each other, and the bag body 202 is pulled and adjusted so that the bag body 202 can be attached to the inner wall of the tank body 101, and a pulling force is provided to prevent the centrifugal force exerted on the water sample by the rotating fan blades 107 when rotating for centrifugal operation from disturbing the bag body 202 and affecting the stratification of the water sample.

[0027] like Figure 2 As shown, in this embodiment, a No. 1 bearing 106 is embedded in the lower edge of the inner wall of the tank body 101, and the inner ring of the No. 1 bearing 106 is fixedly connected to the outer surface of the rotating fan blade 107. The bottom side of the rotating fan blade 107 is fixedly connected to the motor connecting clamp end 108, and a bottom clamp ring 109 is fixedly installed at the bottom edge of the tank body 101.

[0028] During specific implementation, the water sample inside the tank body 101 is stirred by the rotation of the rotating blades 107, and then centrifugal force is applied to the water sample to perform centrifugal work, and then the larger particles in the water sample are assisted to settle and accumulate by standing still. The rotating blades 107 are rotationally connected to the inner wall of the tank body 101 through the No. 1 bearing 106, and the tank body 101 assists in supporting the rotating blades 107 to ensure the stability of the rotating blades 107 during rotation, thereby avoiding the problem of shaking during rotation caused by designing the rotating blades 107 with a larger diameter in order to increase the stirring range of the water sample.

[0029] Embodiment 2

[0030] On the basis of the first embodiment, in order to supplement the power source of the rotating blades 107 which is not mentioned in the first embodiment, and the clamping method of the water storage tank 1 and the base structure 3.

[0031] like Figure 4 As shown, in this embodiment, the base structure 3 includes a substrate 301, a support foot 302 is fixedly installed on the bottom edge of the substrate 301, a tank body connecting slot 303 is opened on the edge of the upper surface of the substrate 301, a No. 2 bearing 304 is embedded in the middle of the upper surface of the substrate 301, and a fan blade docking slot 305 is fixedly installed on the inner ring of the No. 2 bearing 304. The bottom side of the fan blade docking slot 305 is fixedly connected to the output end of the drive motor 306, and the drive motor 306 is embedded in the bottom of the substrate 301; the bottom clamping ring 109 is mutually clamped with the tank body connecting slot 303, and the motor connecting clamping end 108 is mutually clamped with the fan blade docking slot 305.

[0032] During specific implementation, the substrate 301 and the tank body 101 are designed to be a snap-fit ​​structure, and the power transmission path between the rotating fan blades 107 and the driving motor 306 is also designed to be snap-fitted, which can ensure that the rotating fan blades 107 can rotate normally while allowing the tank body 101 and the substrate 301 to be freely snap-fitted and detached, so that the tank body 101 can be directly moved as a sample container, thereby avoiding an increase in the probability of other substances being mixed in when replacing different sample containers, thereby affecting the accuracy of water sample detection.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An automatic filtering device for water quality detection, comprising a water storage tank, characterized in that: A filter bag is sleeved inside the water storage tank, and a base structure is clamped at the bottom of the water storage tank. The water storage tank includes a tank body, a bayonet is provided at the opening on the tank body, a screw hole is provided at the lower edge of the outer side of the bayonet, and the screw hole is screwed together with the pressure cover. The filter bag includes a filter bag clamp ring, and the bag body is fixedly connected to the inner side of the filter bag clamp ring.

2. The automatic filtering device for water quality detection according to claim 1, characterized in that: A magnetic base ring is fixedly mounted on the inner wall of the tank.

3. The automatic filtering device for water quality detection according to claim 2, characterized in that: A No. 1 bearing is embedded in the lower edge of the inner wall of the tank body, and the inner ring of the No. 1 bearing is fixedly connected to the outer surface of the rotating fan blade. The bottom side of the rotating fan blade is fixedly connected to the motor connecting clamp end, and a bottom clamp ring is fixedly installed at the bottom edge of the tank body.

4. The automatic filtering device for water quality detection according to claim 3, characterized in that: A connecting cloth is fixedly installed at the bottom edge of the bag body, and a magnetic pendant ring is fixedly installed on the bottom side of the connecting cloth.

5. The automatic filtering device for water quality detection according to claim 4, characterized in that: The base structure includes a base plate, a support foot is fixedly installed on the bottom edge of the base plate, a tank body connecting slot is opened on the edge of the upper surface of the base plate, a No. 2 bearing is embedded in the middle of the upper surface of the base plate, a fan blade docking groove is fixedly installed on the inner ring of the No. 2 bearing, the bottom side of the fan blade docking groove is fixedly connected to the output end of the drive motor, and the drive motor is embedded in the bottom of the base plate.

6. The automatic filtering device for water quality detection according to claim 5, characterized in that: The filter bag clamping ring and the bayonet are clamped to each other, and the magnetic pendant ring and the magnetic base ring are adsorbed and clamped to each other.

7. The automatic filtering device for water quality detection according to claim 6, characterized in that: The bottom connection clamp ring and the tank body connection clamp groove are mutually clamped, and the motor connection clamp end and the fan blade docking groove are mutually clamped.

Images