Reverse osmosis membrane filtering device

By using a rectangular extrusion frame and sealing gasket in the reverse osmosis membrane filtration device, combined with the design of positioning groove, positioning ring, limiting plate and limiting rod, the problems of high cost and leakage of water inlet pipe fixing are solved, and low-cost and reliable water inlet pipe fixing is achieved.

CN223576189UActive Publication Date: 2025-11-21SHENZHEN JANOD TECH CO LTD
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Patent Information

Application Number
CN202422773106.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-11-21
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

Existing reverse osmosis membrane filtration devices have high production costs during the inlet pipe fixing process and pose a risk of leakage.

Method used

The structure employs a rectangular extrusion frame and a sealing gasket. By adjusting the angle of the extrusion frame, it is positioned to enter the sealing frame. The combination of positioning groove, positioning ring, limiting plate, and limiting rod ensures that the extrusion frame and the sealing gasket fit tightly together, preventing water leakage.

Benefits of technology

It reduces production costs, effectively prevents leakage, and improves sealing performance.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223576189U_ABST
    Figure CN223576189U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of filtering devices, and particularly relates to a reverse osmosis membrane filtering device which comprises an outer box, a filter element body is arranged in the outer box, a sealing frame is fixedly installed on the inner top wall face of the outer box, a water inlet hole is formed in the top wall face of the outer box, and a connecting pipe is arranged at the top of the outer box. A sealing gasket is fixedly installed on the bottom wall face of the connecting pipe, a water inlet pipe is installed at the top end of the inner side wall of the connecting pipe in a threaded mode, a mounting frame is arranged in the water inlet pipe, a connecting rod is fixedly installed on the bottom wall face of the mounting frame, and an extrusion frame is fixedly installed on the bottom wall face of the connecting rod. According to the sealing device, firstly, the extrusion frame is fed into the sealing frame, then the sealing gasket-shaped water inlet hole is placed into the sealing frame, and finally, the extrusion frame moves upwards to be tightly attached to the inner side wall of the sealing gasket by rotating the water inlet pipe, so that the situation of water leakage is avoided, the structure is simple, and the sealing effect is good; the problem that an existing filtering device is high in production cost is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to filter device technical field, especially a kind of reverse osmosis membrane filter device. BACKGROUND

[0002] With the acceleration of urbanization and industrialization, environmental pollution has become a big problem that plagues us, especially in the aspect of purified water, frequent water safety accidents make people pay more and more attention to water safety and hope to find reliable water purification measures, the emergence of reverse osmosis technology provides the basis for realizing purified water.

[0003] Through the search, the patent with the publication number CN215756584U discloses a kind of reverse osmosis membrane filter device, including work tank, the upper end surface of the work tank is fixedly connected with fixed block, the lower end of the fixed block is through the upper end surface of work tank, the center of the fixed block is provided with through hole and is communicated with work tank, the water inlet pipe is arranged in the through hole, the left and right sides of the fixed block are symmetrically fixedly connected with two fixed boxes, each fixed box is fixedly connected with motor, the output end of each motor is fixedly connected with worm, each worm is engagedly connected with worm wheel on each worm.The patent can drive screw rod to rotate by the cooperation of motor, worm and worm wheel, screw rod moves vertical rod by thread sleeve and connecting rod, vertical rod can drive push rod to move left and right, so as to fix water inlet pipe, and it is simple to disassemble, easy to install, not easy to cause abrasion, in turn prevent the phenomenon of water leakage.

[0004] In the above-mentioned prior art, the cooperation of motor, worm and worm wheel can drive the screw rod to rotate, the screw rod moves the vertical rod by the thread sleeve and the connecting rod, the vertical rod can drive the push rod to move left and right, so as to fix the water inlet pipe, but in the actual production process, the motor and the linkage structure are arranged at both ends of the top of the work tank, and the water inlet pipe is fixed, which has high production cost. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a kind of reverse osmosis membrane filter device, first the shorter end of extrusion frame is sent into the inside of sealing frame from the diagonal of water inlet hole on outer box, then sealing gasket shape water inlet hole is placed into the inside of sealing frame, finally by rotating water inlet pipe, extrusion frame moves upward and tightly fits with the inner side wall of sealing gasket, avoid the occurrence of water leakage, simple structure, good sealing effect.

[0006] The technical scheme for achieving the utility model discloses the following: a reverse osmosis membrane filtering device, comprising an outer box, a filter core body is arranged in the inner portion of the outer box, a sealing frame is fixedly installed on the inner top wall surface of the outer box, a water inlet hole is formed in the top wall surface of the outer box, the top end of the water inlet hole on the outer box is aligned with the sealing frame, a connecting pipe is arranged on the top portion of the outer box, a sealing gasket is fixedly installed on the bottom wall surface of the connecting pipe, the sealing gasket is composed of rubber material, a water inlet pipe is threadedly installed on the inner side wall top end of the connecting pipe, a mounting bracket is arranged in the inner portion of the water inlet pipe, a connecting rod is fixedly installed on the bottom wall surface of the mounting bracket, and an extrusion frame is fixedly installed on the bottom wall surface of the connecting rod.

[0007] In some embodiments, the sealing frame is in the shape of a prism, the upper and lower ends of the sealing frame are in the shape of a rectangle, the sealing gasket is in the shape of a prism aligned with the inner side wall of the sealing frame, and the extrusion frame is in the shape of a rectangle corresponding to the inner side wall of the sealing frame.

[0008] In some embodiments, the inner side wall of the water inlet pipe is provided with a positioning groove, a positioning ring is rotatably installed in the inner portion of the positioning groove, and the mounting bracket is fixedly installed on the inner side wall of the positioning ring.

[0009] In some embodiments, the inner side wall of the connecting pipe is fixedly installed with a limiting plate, a limiting rod is slidably installed in the inner portion of the limiting plate, and the bottom end of the limiting rod is fixedly installed on the top wall surface of the extrusion frame.

[0010] In some embodiments, the inner side wall of the outer box is fixedly installed with a partition plate, the filter core body is slidably extended to the inner portion of the outer box through the partition plate, two drain pipes are fixedly installed on the side wall of the outer box, and the two drain pipes are respectively arranged at the upper and lower ends of the partition plate.

[0011] In some embodiments, the bottom wall surface of the outer box is threadedly installed with a sealing plate, the position of the sealing plate is aligned with the position of the filter core body, and two top rods are fixedly installed on the top wall surface of the sealing plate.

[0012] Compared with the prior art, the utility model has the following remarkable advantages:

[0013] One: the utility model discloses, through setting up extrusion frame to rectangular shape, through the angle of extrusion frame adjustment make extrusion frame can enter the inside of outer box through the water inlet hole on outer box, first rotate water inlet pipe, make water inlet pipe move to the bottom end, make extrusion frame extend to the outside fully, then the bottom end of connecting pipe is placed in the inclined shape, make the shorter end of extrusion frame send into the inside of sealing frame from the diagonal of water inlet hole on outer box, again extrude sealing gasket, make sealing gasket deformation and then from the water inlet hole on outer box put into the inside of sealing frame, adjust the position of connecting pipe, make the lateral wall of connecting pipe and the inside wall of water inlet hole on outer box fit, finally through rotating water inlet pipe, make mounting frame move up through connecting rod and pull extrusion frame, make extrusion frame and the inside wall of sealing gasket closely fit, guarantee the sealing of the bottom end of connecting pipe, avoid the situation of water leakage, simple structure, good sealing effect, solve the problem of higher production cost of the existing filter device.

[0014] Second: the utility model discloses, through the mutual cooperation of positioning groove and positioning ring, make positioning ring rotate and install in the inside of water inlet pipe, when connecting rod moves up, the corner on extrusion frame and the corner in the inside of sealing frame are aligned, and extrusion frame does not rotate along with connecting rod, avoid the situation that extrusion frame cannot closely fit with the inside wall of sealing gasket, through the mutual cooperation of limiting plate and limiting rod, limit the position of extrusion frame, guarantee the position stability of extrusion frame, further avoid the situation that the lateral wall of extrusion frame cannot fit with the inside wall of sealing frame. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further explained below in combination with the drawings and examples:

[0016] Figure 1 It is the whole structure schematic diagram of reverse osmosis membrane filter device of the utility model;

[0017] Figure 2 It is the inside structure schematic diagram of outer box of the utility model;

[0018] Figure 3 It is the utility model Figure 2 The enlarged view of A in the utility model.

[0019] Mark explanation:

[0020] 1, outer box;2, baffle;3, sealing plate;4, filter core body;5, drain pipe;6, connecting pipe;7, water inlet pipe;8, sealing frame;9, sealing gasket;10, positioning groove;11, positioning ring;12, mounting frame;13, connecting rod;14, extrusion frame;15, limiting plate;16, limiting rod. Specific implementation

[0021] The utility model discloses below make detailed instructions, clear, complete to the technical scheme of the utility model embodiment of the utility model is described, obviously, the described embodiment is only a part of the utility model embodiment, but is not all the embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making creative labor belong to the range of the utility model protection.

[0022] The utility model discloses a kind of reverse osmosis membrane filtering devices by improving, the technical scheme of the utility model is:

[0023] As Figures 1-3 As shown, a kind of reverse osmosis membrane filtering device, including outer box 1, the inside of outer box 1 is provided with filter core body 4, the inner top wall surface of outer box 1 is fixedly installed with sealing frame 8, sealing frame 8 is prismatic, and the upper and lower ends of sealing frame 8 are both rectangular, the top wall surface of outer box 1 is provided with water inlet hole, and the top end of sealing frame 8 is aligned with water inlet hole on outer box 1, the top of outer box 1 is provided with connecting pipe 6, the bottom wall surface of connecting pipe 6 is fixedly installed with sealing pad 9, sealing pad 9 is prismatic with the inside wall of sealing frame 8 alignment, and sealing pad 9 is composed of rubber material, the inside of connecting pipe 6 is fixedly installed with water inlet pipe 7, the inside of water inlet pipe 7 is provided with mounting bracket 12, the bottom wall surface of mounting bracket 12 is fixedly installed with connecting rod 13, the bottom wall surface of connecting rod 13 is fixedly installed with extrusion frame 14, and extrusion frame 14 is rectangular with the inside wall of sealing frame 8 corresponding;By setting extrusion frame 14 as rectangular shape, by adjusting the angle of extrusion frame 14, extrusion frame 14 can enter the inside of outer box 1 through water inlet hole on outer box 1, first, rotate water inlet pipe 7, make water inlet pipe 7 move to the bottom end, make extrusion frame 14 extend outward fully, then the bottom end of connecting pipe 6 is placed in inclined state, make the shorter end of extrusion frame 14 from the diagonal of water inlet hole on outer box 1 into the inside of sealing frame 8, then extrude sealing pad 9, make sealing pad 9 deform and then from water inlet hole on outer box 1 put into the inside of sealing frame 8, adjust the position of connecting pipe 6, make the sidewall of connecting pipe 6 and the inside wall of water inlet hole on outer box 1 fit, finally, by rotating water inlet pipe 7, make mounting bracket 12 pull extrusion frame 14 upward through connecting rod 13, make extrusion frame 14 and the inside wall of sealing pad 9 tightly fit, guarantee the sealing of the bottom end of connecting pipe 6, avoid the occurrence of water leakage.

[0024] As Figures 1-3As shown, in one embodiment, to facilitate the movement of the extrusion frame 14, a positioning groove 10 is provided on the inner sidewall of the water inlet pipe 7. A positioning ring 11 is rotatably installed inside the positioning groove 10, and the mounting bracket 12 is fixedly installed on the inner sidewall of the positioning ring 11. Through the mutual cooperation of the positioning groove 10 and the positioning ring 11, the positioning ring 11 is rotatably installed inside the water inlet pipe 7. When the connecting rod 13 moves upward, when the corner on the extrusion frame 14 aligns with the corner inside the sealing frame 8, the extrusion frame 14 will not rotate with the connecting rod 13, thus preventing the extrusion frame 14 from failing to align with the sealing gasket. To prevent the inner wall of the extrusion frame 14 from being tightly fitted, a limiting plate 15 is fixedly installed on the inner wall of the connecting pipe 6. A limiting rod 16 is slidably installed inside the limiting plate 15, and the bottom end of the limiting rod 16 is fixedly installed on the top wall of the extrusion frame 14. Through the cooperation of the limiting plate 15 and the limiting rod 16, the position of the extrusion frame 14 is restricted, ensuring the stability of the position of the extrusion frame 14 and further preventing the side wall of the extrusion frame 14 from failing to fit with the inner wall of the sealing frame 8.

[0025] like Figures 1-2 As shown, in one embodiment, a partition 2 is fixedly installed on the inner side wall of the outer casing 1, and the filter element body 4 slides through the partition 2 to extend into the interior of the outer casing 1. Two drain pipes 5 are fixedly installed on the side wall of the outer casing 1, and the two drain pipes 5 are respectively located at the upper and lower ends of the partition 2. The partition 2 divides the interior of the outer casing 1 into two parts, and the two drain pipes 5 are respectively located at the upper and lower ends of the partition 2, so that the filtered sewage and clean water can be discharged outward through the two drain pipes 5 respectively. A sealing plate 3 is threadedly installed on the bottom wall of the outer casing 1, and the position of the sealing plate 3 is aligned with the position of the filter element body 4. Two push rods are fixedly installed on the top wall of the sealing plate 3. By rotating the sealing plate 3, the sealing plate 3 can be removed from the outer casing 1. At this time, the filter element body 4 can be replaced. The position of the filter element body 4 is positioned by the push rods on the top wall of the sealing plate 3 to ensure the stability of the position of the filter element body 4.

[0026] The specific working method is: by setting the extrusion frame 14 as a rectangular shape, by adjusting the angle of the extrusion frame 14, the extrusion frame 14 can enter the inside of the outer box 1 through the water inlet hole on the outer box 1, first rotate the water inlet pipe 7, make the water inlet pipe 7 move to the bottom end, make the extrusion frame 14 fully extend outward, then place the bottom end of the connecting pipe 6 in an inclined manner, make the shorter end of the extrusion frame 14 enter the inside of the sealing frame 8 from the diagonal of the water inlet hole on the outer box 1, then extrude the sealing gasket 9, make the sealing gasket 9 deform and then put into the inside of the sealing frame 8 from the water inlet hole on the outer box 1, adjust the position of the connecting pipe 6, make the side wall of the connecting pipe 6 fit with the inner side wall of the water inlet hole on the outer box 1, finally rotate the water inlet pipe 7, make the mounting frame 12 pull the extrusion frame 14 upward through the connecting rod 13, make the extrusion frame 14 tightly fit with the inner side wall of the sealing gasket 9, ensure the sealing of the bottom end of the connecting pipe 6, avoid the occurrence of water leakage.

[0027] The technical means disclosed by the utility model scheme is not only limited to the technical means disclosed by the above technical means, but also includes the technical scheme composed by the above technical features and equivalent replacement. The unfinished matters of the utility model belong to the common knowledge of the person skilled in the art.

Claims

1. A reverse osmosis membrane filtration device, comprising an outer casing (1), wherein a filter element body (4) is disposed inside the outer casing (1), characterized in that: A sealing frame (8) is fixedly installed on the inner top wall of the outer box (1). A water inlet hole is opened on the top wall of the outer box (1). The water inlet hole on the outer box (1) is aligned with the top of the sealing frame (8). A connecting pipe (6) is provided on the top of the outer box (1). A sealing gasket (9) is fixedly installed on the bottom wall of the connecting pipe (6). The sealing gasket (9) is made of rubber. A water inlet pipe (7) is threaded on the top of the inner side wall of the connecting pipe (6). An installation frame (12) is provided inside the water inlet pipe (7). A connecting rod (13) is fixedly installed on the bottom wall of the installation frame (12). An extrusion frame (14) is fixedly installed on the bottom wall of the connecting rod (13).

2. The reverse osmosis membrane filtration device according to claim 1, characterized in that: The sealing frame (8) is truncated pyramidal in shape, and both the upper and lower ends of the sealing frame (8) are rectangular. The sealing gasket (9) is truncated pyramidal in shape and aligned with the inner wall of the sealing frame (8). The extrusion frame (14) is rectangular in shape and aligned with the inner wall of the sealing frame (8).

3. The reverse osmosis membrane filtration device according to claim 1, characterized in that: The inner wall of the water inlet pipe (7) is provided with a positioning groove (10), and a positioning ring (11) is rotatably installed inside the positioning groove (10). The mounting bracket (12) is fixedly installed on the inner wall of the positioning ring (11).

4. The reverse osmosis membrane filtration device according to claim 1, characterized in that: A limiting plate (15) is fixedly installed on the inner side wall of the connecting pipe (6), and a limiting rod (16) is slidably installed inside the limiting plate (15). The bottom end of the limiting rod (16) is fixedly installed on the top wall of the extrusion frame (14).

5. A reverse osmosis membrane filtration device according to claim 1, characterized in that: A partition (2) is fixedly installed on the inner side wall of the outer box (1). The filter element body (4) slides through the partition (2) and extends into the interior of the outer box (1). Two drain pipes (5) are fixedly installed on the side wall of the outer box (1). The two drain pipes (5) are located at the upper and lower ends of the partition (2) respectively.

6. A reverse osmosis membrane filtration device according to claim 5, characterized in that: A sealing plate (3) is threadedly installed on the bottom wall of the outer casing (1). The position of the sealing plate (3) is aligned with the position of the filter body (4). Two top rods are fixedly installed on the top wall of the sealing plate (3).

Citation Information

Patent Citations

  • Reverse osmosis membrane filtering device

    CN215756584U