Filtering device for chemical analysis and inspection

Abstract

The utility model relates to the technical field of filtering devices, and discloses a filtering device for chemical analysis and inspection, which comprises a filtering barrel, the top of the filtering barrel is in threaded connection with a barrel cover, the top of the inner wall of the filtering barrel is fixedly connected with a clamping ring, and the inner wall of the clamping ring is in sliding connection with a first filtering net. A second filter screen is fixedly connected to the left side of the front end of the bottom of the first filter screen, a rotating handle is rotatably connected to the middle of the top of the barrel cover, a scraping plate penetrates through and is fixedly connected to the bottom of the rotating handle, the scraping plate is slidably connected with the inner wall and the bottom of the first filter screen, and limiting blocks are fixedly connected to the front end and the rear end of the bottom of the barrel cover. And the limiting block is in sliding connection with the first filter screen. According to the utility model, the nozzle is rotated to be taken down, the ejector rod is ejected out through the elastic force of the spring along with the separation of the nozzle, and when the nozzle is separated from the filter barrel, the ejector rod blocks the bottom of the filter barrel, so that the leakage of materials is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter device technical field, concretely is a kind of filter device for chemical analysis inspection. BACKGROUND

[0002] Filter device is a kind of equipment for separating different components in mixture, its working principle is to use porous filter medium to intercept solid particles, impurities etc. in fluid, so that pure fluid passes through, to achieve the purpose of purification, separation or screening.

[0003] In the field of chemical analysis and inspection, filter device is the core basic unit to ensure the accuracy and reliability of analysis, to ensure that in trace analysis, constant component separation and other types of test scenarios, effectively remove interfering impurities, provide pure sample for subsequent high-end analysis such as spectrum, chromatogram, to ensure the accuracy and traceability of data.

[0004] The existing filter device for chemical analysis and inspection still has the following problems: it is not convenient to quickly clean the filter screen, usually after the test, the filter screen needs to be cleaned quickly, but the filter screen is usually fixed in the container by screws, which makes the disassembly very inconvenient, and the screwdriver may scratch the inside of the container. To solve the above problems, a filter device for chemical analysis and inspection is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a filter device for chemical analysis and inspection, which solves the problem of not being able to conveniently and quickly clean the filter screen in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a filter device for chemical analysis and inspection, comprising a filter barrel, a barrel cover is threadedly connected to the top of the filter barrel, a snap ring is fixedly connected to the inner wall top of the filter barrel, a first filter screen is slidingly connected to the inner wall of the snap ring, a second filter screen is fixedly connected to the bottom front left side of the first filter screen, a rotating handle is rotatably connected to the top middle of the barrel cover, a scraper is fixedly connected to the bottom of the rotating handle, the scraper is slidingly connected to the inner wall and the bottom of the first filter screen, a limiting block is fixedly connected to the front and rear ends of the bottom of the barrel cover, the limiting block is slidingly connected to the first filter screen, and a connecting assembly is arranged at the inner wall middle bottom of the filter barrel.

[0007] By adopting the above technical scheme, the solid impurities in the material can be filtered out by the first filter screen and the second filter screen, and the impurities covered on the inner wall and the bottom of the first filter screen can be scraped into the second filter screen by rotating the scraper, to ensure the smoothness of the first filter screen. By removing the barrel cover and cooperating the limiting block with the limiting groove, the first filter screen and the second filter screen can be removed and cleaned and maintained.

[0008] As a further description of the above technical solution: the connecting assembly includes a connecting strip, the left and right sides of the connecting strip are fixedly connected to the filter barrel, a sleeve is fixedly connected to the bottom of the connecting strip, a top rod is slidably connected to the inner wall of the sleeve, a nozzle is threaded through and connected to the bottom of the filter barrel, and the top of the nozzle is in contact with the top rod.

[0009] By adopting the above technical solution, the nozzle is rotated and removed. As the nozzle detaches, the push rod will block the bottom of the filter barrel, preventing material leakage.

[0010] As a further description of the above technical solution: a spring is fixedly connected to the top of the top rod, and the top of the spring is fixedly connected to the connecting strip.

[0011] By adopting the above technical solution, the nozzle is pressed tightly by the elastic force of the spring.

[0012] As a further description of the above technical solution: the top of the outer ring of the nozzle is provided with a uniformly distributed feed port.

[0013] By adopting the above technical solution, the feed inlet allows the material to enter the nozzle.

[0014] As a further description of the above technical solution: a switch is provided in the middle of the left side of the outer ring of the nozzle.

[0015] By adopting the above technical solution, the switch controls whether the nozzle is released.

[0016] As a further description of the above technical solution: a feed pipe is connected through and fixedly connected to the top left side of the barrel lid, and a sealing cap is threadedly connected to the top of the feed pipe.

[0017] By adopting the above technical solution, the feed pipe allows the material to enter, and the sealing cap seals the feed pipe.

[0018] As a further description of the above technical solution: an L-shaped plate is fixedly connected to the front end of the outer wall of the filter barrel, and mounting holes are provided at the four corners of the bottom of the inner wall of the L-shaped plate.

[0019] By adopting the above technical solution, the L-shaped plate is installed and fixed through the mounting holes.

[0020] As a further description of the above technical solution: the first filter screen has limit grooves at both the front and rear ends of its top, and the inner wall of the limit groove is slidably connected to the limit block.

[0021] By adopting the above technical solution, the limiting groove and limiting block are used to install the first filter screen.

[0022] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0023] 1. The utility model provides a filter device for chemical analysis and test, through first filter screen and second filter screen can filter out the solid impurity among material, rotates the scraper, can scrape the impurity covered first filter screen inner wall and bottom to second filter screen, guarantee the unobstructed of first filter screen, take down the barrel cover, through the cooperation of limiting block and limiting groove, can take down first filter screen and second filter screen and clean and maintain it.

[0024] 2. The utility model provides a filter device for chemical analysis and test, rotates the nozzle and takes it down, with the separation of nozzle, the spring elasticity pushes out the jacks, when the nozzle separates the filter drum, the jack will block the bottom of filter drum, avoid the leakage of material. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the perspective view of the utility model;

[0026] Figure 2 It is the filter drum explosion drawing of the utility model;

[0027] Figure 3 It is the barrel cover explosion drawing of the utility model;

[0028] Figure 4 It is the filter screen schematic view of the utility model;

[0029] Figure 5 It is the filter drum section view of the utility model;

[0030] Figure 6 It is the sleeve section view of the utility model.

[0031] In the drawing: 1, barrel cover; 2, filter drum; 3, mounting hole; 4, L type board; 5, handle; 6, feed pipe; 7, sealing cover; 8, first filter screen; 9, second filter screen; 10, snap ring; 11, limiting block; 12, scraper; 13, limiting groove; 14, connecting strip; 15, nozzle; 16, feed inlet; 17, sleeve; 18, jack; 19, spring; 20, switch. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0033] In order to further understand the content of the utility model, the utility model is described in detail in combination with the drawings.

[0034] In combination with Figure 1 , Figure 3 and Figure 6 , the utility model discloses a filter device for chemical analysis and examination, including filter vat 2, the top of filter vat 2 is screwd with the lid 1, the filter vat 2 is sealed to the lid 1, the outer ring left side middle of nozzle 15 is provided with switch 20, whether the nozzle 15 is released to control switch 20, the top left side of lid 1 is fixedly connected with feed pipe 6, and the top of feed pipe 6 is screwd with sealing cover 7, and the feed pipe 6 is sealed to sealing cover 7, the outer wall front end of filter vat 2 is fixedly connected with L-shaped plate 4, and the inner wall bottom of L-shaped plate 4 is provided with mounting hole 3, and L-shaped plate 4 is installed and fixed by mounting hole 3, and the top front and back ends of first filter screen 8 are provided with limit slot 13, and the inner wall of limit slot 13 is slidably connected with limit block 11, and first filter screen 8 is installed by limit slot 13 and limit block 11.

[0035] In combination with Figures 2-4 , the inner wall top of filter vat 2 is fixedly connected with snap ring 10, the inner wall of snap ring 10 is slidably connected with first filter screen 8, and first filter screen 8 is avoided by snap ring 10 Offset, the bottom front end left side of first filter screen 8 is fixedly connected with second filter screen 9, and material is filtered by first filter screen 8 and second filter screen 9, the top middle of lid 1 is rotatably connected with handle 5, the bottom of handle 5 is fixedly connected with scraper 12, and the inner wall and bottom of first filter screen 8 are slidably connected with scraper 12, and the inner wall and bottom of first filter screen 8 are scraped into second filter screen 9 by handle 5 driven scraper 12 Rotates, so as to ensure that first filter screen 8 is unobstructed, and the bottom front and back ends of lid 1 are fixedly connected with limit block 11, and the limit block 11 is slidably connected with first filter screen 8, and first filter screen 8 is fixed by limit block 11 Limit.

[0036] In combination with Figure 5 and Figure 6The inner wall of the filter barrel 2 is provided with a connecting assembly in the middle bottom, the connecting assembly comprises a connecting strip 14, the left and right sides of the connecting strip 14 are fixedly connected with the filter barrel 2, the bottom of the connecting strip 14 is fixedly connected with a sleeve 17, the sleeve 17 is installed through the connecting strip 14, the inner wall of the sleeve 17 is slidably connected with a top rod 18, the top rod 18 is stably slid through the sleeve 17, the bottom of the filter barrel 2 is penetrated and threadedly connected with a nozzle 15, the top of the nozzle 15 is in contact with the top rod 18, the material is released through the nozzle 15, the material is prevented from spilling out through the top rod 18, the top of the top rod 18 is fixedly connected with a spring 19, the top of the spring 19 is fixedly connected with the connecting strip 14, the nozzle 15 is tightly pressed through the elastic force of the spring 19, a plurality of uniformly distributed feeding ports 16 are formed in the top of the outer ring of the nozzle 15, and the material can enter the nozzle through the feeding ports.

[0037] The working principle is that the sealing cover 7 is opened, the material is added into the filter barrel 2, the solid impurities in the material are filtered out through the first filter screen 8 and the second filter screen 9, when the clogging occurs during long-time work, the impurities covered on the inner wall and the bottom of the first filter screen 8 are scraped to the second filter screen 9 through the rotating scraper 12, the smoothness of the first filter screen 8 is ensured, after the experiment is finished, the barrel cover 1 is rotated and removed, then the first filter screen 8 and the second filter screen 9 are removed and cleaned and maintained through the cooperation of the limiting block 11 and the limiting groove 13, the switch 20 is opened, the filtered material is released through the feeding port 16 and the nozzle 15, when the nozzle 15 works for a long time, the nozzle 15 needs to be overhauled, the nozzle 15 is removed through the rotation of the nozzle 15, the top rod 18 is pushed out through the elastic force of the spring 19 when the nozzle 15 is separated, when the nozzle 15 is separated from the filter barrel 2, the bottom of the filter barrel 2 is blocked by the top rod 18, thereby avoiding the leakage of the material.

[0038] It should be noted that, in the present text, the relational terms such as first and second and the like are used merely to differentiate one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or apparatus including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or apparatus.

[0039] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A filtering device for chemical analysis tests, comprising a filtering vat (2), characterized in that: The top of the filter bucket (2) is threadedly connected with a bucket cover (1), the inner wall top of the filter bucket (2) is fixedly connected with a snap ring (10), the inner wall of the snap ring (10) is slidably connected with a first filter screen (8), the bottom front left side of the first filter screen (8) is fixedly connected with a second filter screen (9), the top middle of the bucket cover (1) is rotatably connected with a handle (5), the bottom of the handle (5) penetrates and is fixedly connected with a scraper (12), the scraper (12) is slidably connected with the inner wall and the bottom of the first filter screen (8), the bottom of the bucket cover (1) is fixedly connected with a limiting block (11) at both ends, the limiting block (11) is slidably connected with the first filter screen (8), and the inner wall middle bottom of the filter bucket (2) is provided with a connecting assembly.

2. A filtration device for chemical analysis tests according to claim 1, characterized in that: The connecting assembly comprises a connecting strip (14), the left and right sides of the connecting strip (14) are fixedly connected with the filter bucket (2), the bottom of the connecting strip (14) is fixedly connected with a sleeve (17), the inner wall of the sleeve (17) is slidably connected with a top rod (18), the bottom of the filter bucket (2) penetrates and is threadedly connected with a nozzle (15), and the top of the nozzle (15) is in contact with the top rod (18).

3. A filtration device for chemical analysis according to claim 2, wherein: The top of the top rod (18) is fixedly connected with a spring (19), and the top of the spring (19) is fixedly connected with the connecting strip (14).

4. The filtration device for chemical analysis according to claim 2, wherein: The outer circle top of the nozzle (15) is provided with uniformly distributed feed inlets (16).

5. The filtration device for chemical analysis according to claim 2, wherein: The outer circle left side of the nozzle (15) is provided with a switch (20).

6. The filtration device for chemical analysis according to claim 1, wherein: The top left side of the bucket cover (1) penetrates and is fixedly connected with a feed pipe (6), and the top of the feed pipe (6) is threadedly connected with a sealing cover (7).

7. The filtration device for chemical analysis according to claim 1, wherein: The outer wall front end of the filter bucket (2) is fixedly connected with an L-shaped plate (4), and the inner wall bottom of the L-shaped plate (4) is provided with mounting holes (3) at four corners.

8. The filtration device for chemical analysis according to claim 1, wherein: The top front and rear ends of the first filter screen (8) are provided with limiting grooves (13), and the inner wall of the limiting groove (13) is slidably connected with the limiting block (11). The top front and rear ends of the first filter screen (8) are provided with limiting grooves (13), and the inner wall of the limiting groove (13) is slidably connected with the limiting block (11).

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