Protection device of reverse osmosis membrane

Abstract

A protection device of a reverse osmosis membrane relates to the technical field of reverse osmosis membranes and comprises a barrel, a connecting part is arranged on one side of the barrel and corresponds to a water inlet end cover on a filter element, and a central water inlet hole and a side water inlet hole are formed in the center of the water inlet end cover; a sleeve part is further arranged on the water inlet end cover, the connecting part of the cylinder body is inserted and embedded into the sleeve part, a plurality of clamping grooves are circumferentially distributed in the sleeve part, the side edges of the clamping grooves are integrally connected with bent parts, locking mechanisms corresponding to the clamping grooves are arranged on the cylinder body, and the locking mechanisms are used for locking connection between the cylinder body and the filter element; a vertical insertion groove is further formed in the cylinder body, an insertion plate is detachably inserted into the insertion groove, and a filter plate is fixedly connected into the insertion plate; according to the protection device of the reverse osmosis membrane, large impurities in source water are filtered through the filter plate in the barrel, the reverse osmosis membrane can be protected, the insertion plate can be detached from the barrel when the filter plate is blocked, then the filter plate can be cleaned, and the situation that the water purification efficiency is reduced due to the fact that the filter plate is blocked is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of reverse osmosis membranes, and more specifically to a protective device for reverse osmosis membranes. Background Art

[0002] Reverse osmosis membrane is an artificial semipermeable membrane with certain biological semipermeable membrane characteristics. Filter elements made of reverse osmosis membrane are often used in water purification equipment. Under a certain pressure, water molecules can pass through the reverse osmosis membrane, while impurities such as inorganic salts and heavy metal ions in the source water cannot pass through the reverse osmosis membrane, so that pure water and concentrated water can be separated from the source water to purify the source water. For example, the existing Chinese patent with announcement number CN220715441U discloses a reverse osmosis membrane protection device, which realizes the protection of the reverse osmosis membrane by setting a filter plate.

[0003] The existing reverse osmosis membrane protection device is arranged on the reverse osmosis membrane filter element. At this time, the filter element cannot be connected end to end to form a stronger water purification effect, and the filter plate is easily blocked during long-term use, and it is not convenient to disassemble and replace; therefore, in view of this situation, the utility model proposes a reverse osmosis membrane protection device to solve the deficiencies in the above technical background. Utility Model Content

[0004] The utility model aims to solve the problems that the existing reverse osmosis membrane protection device is fixed on the filter element, the filter element cannot be connected end to end to form a better water purification effect, and the filter plate is easily blocked during long-term use and is not convenient to disassemble and replace.

[0005] The utility model discloses a reverse osmosis membrane protection device, the purpose and effect of which are achieved by the following specific technical means: a reverse osmosis membrane protection device, comprising a cylinder, a connecting portion is provided on one side of the cylinder, the connecting portion is arranged corresponding to the water inlet end cover on the filter element, a central water inlet hole and a side water inlet hole are arranged at the center of the water inlet end cover, the side water inlet holes are distributed in a circle around the central water inlet hole; a sleeve portion is also provided on the water inlet end cover, the connecting portion of the cylinder is inserted and embedded in the sleeve portion, a plurality of slots are distributed in a circle on the sleeve portion, a bending portion is integrally connected to the side of the slot, a locking mechanism corresponding to the slot is provided on the cylinder, the locking mechanism is used to lock the connection between the cylinder and the filter element; a vertical slot is also provided in the cylinder, a plug plate is detachably plugged in the slot, and a filter plate is fixed in the plug plate.

[0006] Furthermore, a sleeve portion is provided on the other side of the cylinder body different from the connecting portion, and a plurality of positioning grooves are circumferentially distributed on the sleeve portion. The combination of the sleeve portion and the positioning grooves is the same in size and shape as the combination of the sleeve portion and the slots.

[0007] Furthermore, a second sealing ring is fixedly connected to both sides of the plug board, and the second sealing ring is used to seal the connection between the slot and the plug board.

[0008] Furthermore, a top plate is fixedly connected to the top of the plug plate, the top plate is embedded in the cylinder, and the top plate is fixed in the cylinder using bolts.

[0009] Furthermore, at least one sealing ring 1 is fixedly connected to the outer side of the connecting portion, and the sealing ring 1 is used to seal the connection between the connecting portion and the water inlet end cover.

[0010] Furthermore, the locking mechanism includes a locking block, which is resettably slidably connected in the card block. The locking block is arranged corresponding to the bending portion. In the initial state, the locking block is retracted into the card block. A rotating shaft is rotatably connected in the card block. The rotating shaft is located inside the card block and is fixedly connected to a lever, and the rotating shaft is located outside the card block and is fixedly connected to a rotating cap. A bayonet corresponding to the lever is provided on the locking block. The lever drives the locking block to move to the bending portion, and then the end of the lever is engaged in the bayonet.

[0011] Furthermore, the rotating shaft is rotatably inserted in the clamping block, and a reset spring is arranged between the rotating shaft and the clamping block. When the end of the lever is clamped in the clamping mouth and the rotating cap is pulled upward, the end of the lever is separated from the clamping mouth and the locking block is automatically reset.

[0012] The beneficial effects of the utility model are:

[0013] The utility model provides a reverse osmosis membrane protection device, which can protect the reverse osmosis membrane by filtering large impurities in source water through a filter plate in a cylinder body, and when the filter plate is blocked, the plug plate can be removed from the cylinder body, and then the filter plate can be cleaned to avoid blockage of the filter plate and reduce the water purification efficiency; at the same time, a sleeve connection part consistent with the sleeve part of the water inlet end cover is provided on the cylinder body, so as to avoid the cylinder body occupying the connection position of the water inlet end cover and affecting the quick connection with other structures. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front cross-sectional schematic diagram of the protection device of the utility model.

[0015] Figure 2 It is a schematic diagram of the front cross-section of the reverse osmosis membrane filter element of the utility model.

[0016] Figure 3 It is a side cross-sectional schematic diagram of the reverse osmosis membrane filter element of the utility model.

[0017] Figure 4 It is a schematic diagram of the connection between the protective device of the utility model and the filter element.

[0018] Figure 5 It is a side view schematic diagram of the protection device of the utility model.

[0019] Figure 6 For this utility model Figure 4 A magnified schematic diagram of center A.

[0020] Figure 7For this utility model Figure 6 Schematic side view of the middle block.

[0021] Figure 1-7 In: 1-cylinder, 101-sleeve part, 102-connecting part, 103-slot, 104-positioning groove, 105-sealing ring 1, 2-plug plate, 201-sealing ring 2, 3-filter plate, 4-top plate, 5-block, 501-locking block, 502-bayonet, 503-rotating shaft, 504-push rod, 505-rotating cap, 6-water inlet end cover, 601-side water inlet hole, 602-sleeve part, 603-center water inlet hole, 604-slot, 605-bending part. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 7As shown: a protective device for a reverse osmosis membrane, comprising a cylinder 1, the cylinder 1 is a hollow square cylinder, and a connecting portion 102 is provided on one side of the cylinder 1, the connecting portion 102 is arranged corresponding to the water inlet end cover 6 on the filter element, specifically, a central water inlet hole 603 and a side water inlet hole 601 are provided in the center of the water inlet end cover 6, the side water inlet holes 601 are distributed in a circle around the central water inlet hole 603, the central water inlet hole 603 is used to connect the central tube of the filter element, the water inlet end cover 6 is connected to one end of the filter element housing, the source water enters the filter element housing from the side water inlet hole 601, is filtered by the reverse osmosis membrane, and the water molecules are collected by the water collecting holes in the central tube and gathered into pure water in the central tube, while concentrated water is left outside the central tube, and then the pure water and the concentrated water are collected separately to purify the source water; a sleeve portion 602 is also provided on the water inlet end cover 6, and the connecting portion 102 of the cylinder 1 is inserted and embedded in the sleeve portion 6 02, the preliminary connection between the cylinder 1 and the water inlet end cover 6 can be completed. A plurality of card slots 604 are distributed in a circumferential manner on the sleeve portion 602, and a bending portion 605 is integrally connected to the side of the card slot 604. A locking mechanism corresponding to the card slot 604 is provided on the cylinder 1, and the locking mechanism is used to lock the connection between the cylinder 1 and the filter element; a vertical slot 103 is also provided in the cylinder 1, and a plug plate 2 is inserted in the slot 103. A through hole is provided in the plug plate 2, and a filter plate 3 is fixed in the through hole to close it; through the detachable plug plate 2, the plug plate 2 can be removed at any time when the filter plate 3 is blocked, and then the filter plate 3 can be cleaned to avoid the problem of blockage of the filter plate 3; at the same time, through the adaptation arrangement of the cylinder 1 and the water inlet end cover 6, enough filter elements can be connected end to end first, and then the cylinder 1 is installed on the water inlet end cover 6 of the frontmost filter element, so as to protect the reverse osmosis membrane in the filter element.

[0024] Among them, Figures 1 to 5 As shown, a sleeve connection portion 101 is provided on the other side of the cylinder 1 which is different from the connecting portion 102. A plurality of positioning grooves 104 are circumferentially distributed on the sleeve connection portion 101. The combination of the sleeve connection portion 101 and the positioning grooves 104 is the same in size and shape as the combination of the sleeve portion 602 and the clamping grooves 604; that is, the sleeve connection portion 101 is the same in size and shape as the sleeve portion 602, and the position, size and number of the positioning grooves 104 on the sleeve connection portion 101 are the same as the position, size and number of the clamping grooves 604 on the sleeve portion 602, that is, when the cylinder 1 is connected to the water inlet end cover 6, the sleeve connection portion 101 on the cylinder 1 can be sleeved and locked to the water outlet end cover on the filter element; by providing a connecting portion 102 on the cylinder 1 which is consistent with the sleeve portion 602 on the water inlet end cover 6, the problem of other components being difficult to connect after the cylinder 1 occupies the sleeve portion 602 on the water inlet end cover 6 can be avoided.

[0025] Among them, Figure 1As shown, sealing ring 201 is fixedly connected on both sides of the plug plate 2, and sealing ring 201 is used to seal the connection between the slot 103 and the plug plate 2 to prevent source water from leaking therefrom; specifically, sealing ring 201 is a circular sealing ring, and the filter plate 3 is also circular. Sealing ring 201 surrounds the outer side of the filter plate 3, and source water enters the side water inlet hole 601 only through the filter plate 3. At this time, the central pipe inlet there is in a closed state.

[0026] Among them, Figures 1 to 4 As shown, a top plate 4 is fixedly connected to the top of the plug plate 2, the top plate 4 is embedded in the cylinder 1, and the top plate 4 is fixed in the cylinder 1 with bolts. When the plug plate 2 needs to be taken out, the bolts need to be loosened, and the top plate 4 is pulled by the bolts to pull out the plug plate 2, and then the filter plate 3 can be cleaned.

[0027] Among them, Figure 1 As shown, a sealing ring 105 is fixedly connected to the outer side of the connecting portion 102. At least one sealing ring 105 is provided to seal the connection between the connecting portion 102 and the water inlet end cover 6.

[0028] Among them, Figure 6 to Figure 7 As shown, the locking mechanism includes a locking block 501, which is slidably connected to the card block 5 in a resettable manner. Specifically, a reset spring can be used to connect the locking block 501 and the card block 5 to realize its sliding reset function; the locking block 501 is correspondingly arranged with the bending portion 605. In the initial state, the locking block 501 is retracted into the card block 5, and the card block 5 is rotatably connected with a rotating shaft 503. The rotating shaft 503 is located inside the card block 5 and is fixedly connected with a lever 504, and the rotating shaft 503 is located outside the card block 5. A rotating cap 505 is fixedly connected to the part, and the rotating shaft 503 is rotated by the rotating cap 505, thereby driving the lever 504 to swing; a bayonet 502 corresponding to the lever 504 is provided on the locking block 501, and the locking block 501 is moved outward during the swinging of the lever 504, and the locking block 501 moves to the bent portion 605, and then the end of the lever 504 is stuck in the bayonet 502, and at this time, the locking block 501 is locked in the bent portion 605, completing the connection and locking between the cylinder 1 and the water inlet end cover 6.

[0029] Among them, Figure 6 to Figure 7 As shown, the rotating shaft 503 is rotatably inserted in the block 5, and a reset spring is arranged between the rotating shaft 503 and the block 5. When the locking block 501 needs to be unlocked, the rotating cap 505 is pulled upward. At this time, the end of the lever 504 is separated from the bayonet 502, and the locking block 501 is automatically reset under the action of the reset spring. At the same time, the lever 504 can be rotated to reset the lever 504 together; the connection between the cylinder 1 and the water inlet end cover 6 can be unlocked by pulling up the rotating cap 505, and the disassembly is convenient and quick.

[0030] Working principle: connect the reverse osmosis membrane filter elements end to end in sequence, then insert the water inlet end cover 6 of the first filter element into the cylinder 1, the block 5 on the cylinder 1 is inserted into the slot 604, then the rotating cap 505 is rotated to drive the lever 504 at the bottom of the rotating shaft 503 to swing, and the lever 504 moves the lock block 501 outward during the swinging process, and the lock block 501 moves to the bent portion 605, and then the end of the lever 504 is inserted into the bayonet 502, and at this time the lock block 501 is locked into the bent portion 605, completing the cylinder. 1 and the water inlet end cover 6 are connected and locked; the large impurities in the source water are filtered by the filter plate 3 in the cylinder 1, so that the reverse osmosis membrane can be protected. When the filter plate 3 is blocked, the plug plate 2 can be removed from the cylinder 1, and the filter plate 3 can be cleaned to avoid the blockage of the filter plate 3 and reduce the water purification efficiency; by arranging a sleeve portion 101 on the cylinder 1 that is consistent with the sleeve portion 602 of the water inlet end cover 6, it can be avoided that the cylinder 1 occupies the connection position of the water inlet end cover 6 and affects the quick connection with other structures.

Claims

1. A reverse osmosis membrane protection device, comprising a cylinder (1), characterized in that: A connecting portion (102) is provided on one side of the cylinder (1), and the connecting portion (102) is arranged corresponding to the water inlet end cover (6) on the filter element. A central water inlet hole (603) and side water inlet holes (601) are provided at the center of the water inlet end cover (6), and the side water inlet holes (601) are distributed in a circular pattern around the central water inlet hole (603). A sleeve portion (602) is also provided on the water inlet end cover (6), and the connecting portion (102) of the cylinder (1) is inserted and embedded in the sleeve portion (602). The sleeve portion (602) is provided with a plurality of slots (604) distributed in a circumferential manner, and the sides of the slots (604) are integrally connected with bent portions (605). The cylinder (1) is provided with a locking mechanism corresponding to the slots (604), and the locking mechanism is used to lock the connection between the cylinder (1) and the filter element; the cylinder (1) is also provided with a vertical slot (103), and a plug plate (2) is detachably plugged into the slot (103), and a filter plate (3) is fixedly connected to the plug plate (2).

2. A reverse osmosis membrane protection device according to claim 1, characterized in that: The other side of the cylinder (1) different from the connecting portion (102) is provided with a sleeve portion (101), and the sleeve portion (101) is provided with a plurality of positioning grooves (104) distributed in a circumferential manner. The combination of the sleeve portion (101) and the positioning grooves (104) is the same in size and shape as the combination of the sleeve portion (602) and the clamping groove (604).

3. A reverse osmosis membrane protection device according to claim 2, characterized in that: A second sealing ring (201) is fixedly connected to both sides of the plug board (2), and the second sealing ring (201) is used to seal the connection between the slot (103) and the plug board (2).

4. A reverse osmosis membrane protection device according to claim 2, characterized in that: A top plate (4) is fixedly connected to the top of the plug plate (2); the top plate (4) is embedded in the cylinder (1), and the top plate (4) is fixed in the cylinder (1) using bolts.

5. The reverse osmosis membrane protection device according to claim 2, characterized in that: At least one sealing ring 1 (105) is fixedly connected to the outer side of the connecting portion (102), and the sealing ring 1 (105) is used to seal the connection between the connecting portion (102) and the water inlet end cover (6).

6. A reverse osmosis membrane protection device according to claim 2, characterized in that: The locking mechanism comprises a locking block (501), the locking block (501) being slidably connected to the card block (5) in a resetting manner, the locking block (501) being arranged corresponding to the bent portion (605), and in an initial state, the locking block (501) is retracted into the card block (5), a rotating shaft (503) is rotatably connected to the card block (5), the rotating shaft (503) is located inside the card block (5) and is fixedly connected to a lever (504), and the rotating shaft (503) is located outside the card block (5) and is fixedly connected to a rotating cap (505); a bayonet (502) corresponding to the lever (504) is provided on the locking block (501), the lever (504) drives the locking block (501) to move into the bent portion (605), and then the end of the lever (504) is clamped into the bayonet (502).

7. A reverse osmosis membrane protection device according to claim 6, characterized in that: The rotating shaft (503) is rotatably inserted into the clamping block (5), and a reset spring is provided between the rotating shaft (503) and the clamping block (5); when the end of the lever (504) is clamped in the clamping port (502) and the rotating cap (505) is pulled upward, the end of the lever (504) is separated from the clamping port (502), and the locking block (501) is automatically reset.

Images