Filtering device for processing fluorine-containing liquid crystal intermediate

Abstract

The utility model relates to the technical field of filtering devices, and discloses a filtering device for processing fluorine-containing liquid crystal intermediates, which comprises a drawing mechanism, a filtering mechanism and a protection mechanism, the filtering mechanism is positioned inside the protection mechanism, and the drawing mechanism is positioned inside the filtering mechanism. The drawing mechanism comprises a fixed semi-ring, the surface of the fixed semi-ring is fixedly connected with a drawing handle, the inner wall of the fixed semi-ring is fixedly connected with a connecting ring, the inner wall of the connecting ring is fixedly connected with a filtering membrane layer, the two sides of the fixed semi-ring are fixedly connected with fixed blocks, and the inner walls of the fixed blocks are slidably connected with bolts. According to the utility model, the connecting ring and the filter membrane layer can be slidably pulled out from the inner wall of the filter box along with the movement of the fixed semi-ring, and the fixed semi-ring is limited through the insertion and extraction of the bolt, so that the whole structure is convenient to disassemble, impurities on the filter membrane layer are convenient to clean and maintain, and the use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering devices, in particular to a filtering device for the processing of fluorine-containing liquid crystal intermediates. Background Art

[0002] The intermediate filtering technology occupies an important position in the pharmaceutical manufacturing field, and it involves multiple industries such as chemical engineering, petroleum, and pharmaceuticals.

[0003] However, when using the filtering equipment, sometimes it is inconvenient to clean the impurities accumulated on the filtering membrane layer, and it is inconvenient to replace the filtering membrane when it is damaged. These situations may lead to poor subsequent filtering effect and reduce the practicability. Summary of the Utility Model

[0004] To solve the above technical problems, the utility model provides a filtering device for the processing of fluorine-containing liquid crystal intermediates.

[0005] The utility model is realized by the following technical solutions: A filtering device for the processing of fluorine-containing liquid crystal intermediates, including a pulling mechanism, a filtering mechanism, and a protection mechanism. The filtering mechanism is located inside the protection mechanism, and the pulling mechanism is located inside the filtering mechanism;

[0006] The pulling mechanism includes a fixed semi-ring, a pulling handle is fixedly connected to the surface of the fixed semi-ring, a connecting ring is fixedly connected to the inner wall of the fixed semi-ring, a filtering membrane layer is fixedly connected to the inner wall of the connecting ring, fixed blocks are fixedly connected to both sides of the fixed semi-ring, and a plug is slidably connected to the inner wall of the fixed block.

[0007] Through the above technical solution, the design that the filtering membrane layer can be pulled and replaced along with the fixed semi-ring realizes more convenient maintenance of the filtering membrane layer and more convenient use.

[0008] As a further improvement of the above solution, the filtering membrane layer on the inner wall of the connecting ring is in two layers, upper and lower.

[0009] Through the above technical solution, the filtering can be made more refined and the practicability can be improved.

[0010] As a further improvement of the above solution, the filtering mechanism includes a filtering box, a first connecting pipe is fixedly connected to the upper end of the filtering box, a first sealing ring is fixedly connected to the surface of the first connecting pipe, a second connecting pipe is fixedly connected to the lower end of the filtering box, a second sealing ring is fixedly connected to the surface of the second connecting pipe, and a limiting block is fixedly connected to the surface of the filtering box.

[0011] Through the above technical solution, the filtering box provides a container for filtering. The second sealing ring makes the connection between the pipes more stable and provides a sealing effect, making the use more convenient.

[0012] As a further improvement of the above solution, the inner wall of the limit block is slidably connected to the surface of the bolt, and the inner wall of the filter box is snap-fitted to the surface of the connecting ring.

[0013] As a further improvement of the above solution, the protection mechanism includes a housing, the inner wall of the housing is fixedly connected with a feed pipe, the inner wall of the housing is fixedly connected with a discharge pipe, the lower end of the housing is fixedly connected with support legs, the surface of the housing is fixedly connected with a hinge, the inner wall of the hinge is fixedly connected with a rotating door, and the surface of the rotating door is fixedly connected with a door handle.

[0014] Through the above technical solution, the housing can protect the internal parts, and the design of the rotating door can facilitate the maintenance of the internal parts and improve the practicability.

[0015] As a further improvement of the above solution, the surface of the feed pipe is fixedly connected to the inner wall of the first sealing ring, and the surface of the discharge pipe is fixedly connected to the inner wall of the second sealing ring.

[0016] As a further improvement of the above solution, the feed pipe is located at the upper end of the housing, and the discharge pipe is located at the lower end of the housing.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] By setting a draw-out mechanism in the present utility model, specifically, when materials flow into the interior of the filter box, the two filter membrane layers on the inner wall of the connecting ring will filter them. The upper filter membrane layer will block most of the impurities, and the lower layer will perform a second filtration to make the filtration more refined. After the filtration is completed, the materials flow out from the second connecting pipe. When there are too many impurities on the internal filter membrane layer or the filter membrane layer is damaged, the bolts at both ends of the fixed half-ring can be pulled out upwards, and then the draw-out handle is pulled to take out the connecting ring for replacement and maintenance. After the maintenance is completed, the connecting ring is put back again, and the bolts are inserted again to complete the fixation.

[0019] By setting a filtering mechanism in the present utility model, specifically, the second sealing ring provides a sealing effect for the connection of the pipeline. The first connecting pipe accesses the materials, and the materials are filtered inside the filter box and then flow out from the second connecting pipe, providing a framework for the overall filtration. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic cross-sectional structure diagram of the whole of the present utility model;

[0021] Figure 2 is a schematic structure diagram of the draw-out mechanism of the present utility model;

[0022] Figure 3 is a schematic connection structure diagram of the draw-out mechanism and the filtering mechanism of the present utility model;

[0023] Figure 4 For the present utility model Figure 3 Schematic diagram of the enlarged structure at position A;

[0024] Figure 5 Schematic diagram of the overall structure of the present utility model.

[0025] Main symbol description:

[0026] Pulling mechanism; 101, fixed semi-ring; 102, pulling handle; 103, fixed block; 104, bolt; 105, connecting ring; 106, filter membrane layer; 2, filtering mechanism; 201, filter box; 202, first connecting pipe; 203, second connecting pipe; 204, first sealing ring; 205, second sealing ring; 206, limiting block; 3, protection mechanism; 301, housing; 302, support leg; 303, discharge pipe; 304, rotating door; 305, hinge; 306, door handle; 307, feed pipe. Specific embodiments

[0027] Next, in combination with the accompanying drawings and specific embodiments, the present utility model will be further described. It should be noted that, on the premise of no conflict, the following-described embodiments or technical features can be arbitrarily combined to form new embodiments.

[0028] Embodiment: Please combine with Figures 1-5 , A filtering device for the processing of fluorine-containing liquid crystal intermediates in this embodiment includes a pulling mechanism 1, a filtering mechanism 2 and a protection mechanism 3. The filtering mechanism 2 is located inside the protection mechanism 3, and the pulling mechanism 1 is located inside the filtering mechanism 2;

[0029] The pulling mechanism 1 includes a fixed semi-ring 101. A pulling handle 102 is fixedly connected to the surface of the fixed semi-ring 101. A connecting ring 105 is fixedly connected to the inner wall of the fixed semi-ring 101. A filter membrane layer 106 is fixedly connected to the inner wall of the connecting ring 105. Fixed blocks 103 are fixedly connected to both sides of the fixed semi-ring 101. A bolt 104 is slidably connected to the inner wall of the fixed block 103. The design that the filter membrane layer 106 can be replaced by pulling with the fixed semi-ring 101 realizes more convenient maintenance of the filter membrane layer and is more convenient to use.

[0030] The filter membrane layer 106 on the inner wall of the connecting ring 105 has two layers, upper and lower.

[0031] The filtering mechanism 2 includes a filtering box 201. A first connecting pipe 202 is fixedly connected to the upper end of the filtering box 201. A first sealing ring 204 is fixedly connected to the surface of the first connecting pipe 202. A second connecting pipe 203 is fixedly connected to the lower end of the filtering box 201. A second sealing ring 205 is fixedly connected to the surface of the second connecting pipe 203. A limiting block 206 is fixedly connected to the surface of the filtering box 201. The filtering box 201 provides a container for filtering. The second sealing ring 205 makes the connection between the pipes more stable and provides a sealing effect, making it more convenient to use.

[0032] The inner wall of the limiting block 206 is slidably connected to the surface of the bolt 104. The inner wall of the filtering box 201 is clamped to the surface of the connecting ring 105.

[0033] The protection mechanism 3 includes a housing 301. A feed pipe 307 is fixedly connected to the inner wall of the housing 301. A discharge pipe 303 is fixedly connected to the inner wall of the housing 301. Support legs 302 are fixedly connected to the lower end of the housing 301. Hinges 305 are fixedly connected to the surface of the housing 301. A rotating door 304 is fixedly connected to the inner wall of the hinge 305. A door handle 306 is fixedly connected to the surface of the rotating door 304. The housing 301 can protect the internal parts. The design of the rotating door 304 can facilitate the maintenance of the internal parts and improve the practicality.

[0034] The surface of the feed pipe 307 is fixedly connected to the inner wall of the first sealing ring 204. The surface of the discharge pipe 303 is fixedly connected to the inner wall of the second sealing ring 205.

[0035] The feed pipe 307 is located at the upper end of the housing 301, and the discharge pipe 303 is located at the lower end of the housing 301.

[0036] The implementation principle of a filtering device for the processing of fluorine-containing liquid crystal intermediates in the embodiment of the present application is as follows: When using this device, the material to be filtered can be connected through the upper feed pipe 307. When the material flows into the interior of the filtering box 201, the two filtering membrane layers 106 on the inner wall of the connecting ring 105 will filter it. The upper filtering membrane layer 106 will block most of the impurities, and the lower layer will perform a second filtration to make the filtration more refined. After the filtration is completed, the material flows out from the second connecting pipe 203. When there are too many impurities on the internal filtering membrane layer 106 or the filtering membrane layer 106 is damaged, the bolts 104 at both ends of the fixed half-ring 101 can be pulled out upwards, and then the connecting ring 105 can be pulled out by pulling the pull handle 102 for replacement and maintenance. After the maintenance is completed, the connecting ring 105 is put back again, and the bolts 104 are inserted again to complete the fixation. The design that the connecting ring 105 and the filtering membrane layer 106 can be pulled out and replaced realizes more convenient maintenance and makes it more convenient to use. The housing 301 can protect the internal parts, and the design of the rotating door 304 can facilitate the maintenance of the internal parts and improve the practicality.

[0037] The above embodiments are only the preferred embodiments of the present utility model, and the scope of protection of the present utility model cannot be limited thereby. Any non-substantial changes and substitutions made by those skilled in the art on the basis of the present utility model fall within the scope of protection required by the present utility model.

Claims

1. A filtering device for processing fluorine-containing liquid crystal intermediates, characterized in that: It comprises a pulling mechanism (1), a filtering mechanism (2) and a protecting mechanism (3), wherein the filtering mechanism (2) is located inside the protecting mechanism (3), and the pulling mechanism (1) is located inside the filtering mechanism (2); The pulling mechanism (1) comprises a fixed half ring (101), a pulling handle (102) is fixedly connected to the surface of the fixed half ring (101), a connecting ring (105) is fixedly connected to the inner wall of the fixed half ring (101), a filter membrane layer (106) is fixedly connected to the inner wall of the connecting ring (105), fixed blocks (103) are fixedly connected to both sides of the fixed half ring (101), and a latch (104) is slidably connected to the inner wall of the fixed block (103).

2. A filtering device for processing fluorine-containing liquid crystal intermediates according to claim 1, characterized in that: The inner wall filter membrane layer (106) of the connecting ring (105) consists of two layers, upper and lower.

3. A filtering device for processing fluorine-containing liquid crystal intermediates according to claim 1, characterized in that: The filtering mechanism (2) comprises a filtering box (201), the upper end of the filtering box (201) being fixedly connected to a first connecting pipe (202), the surface of the first connecting pipe (202) being fixedly connected to a first sealing ring (204), the lower end of the filtering box (201) being fixedly connected to a second connecting pipe (203), the surface of the second connecting pipe (203) being fixedly connected to a second sealing ring (205), and the surface of the filtering box (201) being fixedly connected to a limiting block (206).

4. A filtering device for processing fluorine-containing liquid crystal intermediates according to claim 3, characterized in that: The inner wall of the limit block (206) is slidably connected to the surface of the latch (104), and the inner wall of the filter box (201) is snap-fitted to the surface of the connecting ring (105).

5. A filtering device for processing fluorine-containing liquid crystal intermediates according to claim 1, characterized in that: The protection mechanism (3) comprises a shell (301), the inner wall of the shell (301) is fixedly connected to a feed pipe (307), the inner wall of the shell (301) is fixedly connected to a discharge pipe (303), the lower end of the shell (301) is fixedly connected to a support leg (302), the surface of the shell (301) is fixedly connected to a hinge (305), the inner wall of the hinge (305) is fixedly connected to a revolving door (304), and the surface of the revolving door (304) is fixedly connected to a door handle (306).

6. A filtering device for processing fluorine-containing liquid crystal intermediates according to claim 5, characterized in that: The surface of the feed pipe (307) is fixedly connected to the inner wall of the first sealing ring (204), and the surface of the discharge pipe (303) is fixedly connected to the inner wall of the second sealing ring (205).

7. A filtering device for processing fluorine-containing liquid crystal intermediates according to claim 5, characterized in that: The feed pipe (307) is located at the upper end of the outer shell (301), and the discharge pipe (303) is located at the lower end of the outer shell (301).

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