A water level self-regulating valve water supply system

Abstract

The application discloses a water level self-adjusting valve water outlet system, which comprises a water filtering device for filtering solid sundries in sewage, a drain cylinder arranged at the lower part of the water filtering device, sleeved on the water filtering device and communicated with the lower end of the water filtering device, an axial limiting device sleeved on the middle part of the water filtering device, having a gap with the water filtering device and detachably connected with the drain cylinder, and an adjusting device coaxially sleeved on the water filtering device and located in the cavity between the axial limiting device and the drain cylinder and in contact with the drain cylinder. In the process of discharging sewage, the adjusting device reciprocates up and down in the cavity to approach or move away from the drain cylinder after being subjected to the buoyancy of the sewage, so that the amount of discharged sewage is reduced when the adjusting device approaches the drain cylinder and increased when the adjusting device moves away from the drain cylinder, thereby achieving the purpose of automatically adjusting the water level. The water outlet system can automatically control the discharging state of the sewage in a dynamic balance by automatically adjusting the amount of discharged sewage.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automatic drainage, in particular to a water level self-adjusting valve drainage system. BACKGROUND

[0002] The drainage system is commonly used in enterprise or household sewage, and the floor drain valve is an important interface connecting the drainage pipeline system and the indoor floor, and is an important component of the sewage system, which directly affects the quality of indoor air.

[0003] In the prior art, the Chinese patent with the application number "CN201420791790.5" and the name "water seal liquid level self-adjusting type drainage deodorizing floor drain" sets the first filter cover and the second filter cover in the pre-buried box, which can fully filter the sundries in the sewage and is convenient to clean, and can effectively avoid the occurrence of the situation of blocking the sewer. The central through screw hole for adjusting and controlling the fixed position of the screw on the floating ball is arranged on the floating ball, so that the height of the floating ball is adjusted as needed, the depth of the water seal liquid level is controlled, the reliability of the water seal function is ensured, and when the liquid level of the discharged sewage is higher than the water seal liquid level by a certain height, the floating ball will automatically float up, drive the screw to move upwards, open the drainage channel, and quickly drain water. When there is no drainage for a long time and the water seal area is dry, the floating ball device is limited by the second filter cover and the gravity of the floating ball, and the screw head end surface sealing pad and the water inlet of the sewer passage are in reliable sealing contact state, so that the return taste does not occur.

[0004] The technical scheme is that the floating ball device is in sealing contact state with the sewer passage under the action of the limit and the gravity of the floating ball itself, which solves the technical problem of return taste, but the liquid level of the water seal liquid surface is manually adjusted by the relative depth of the screw in the screw hole, and the height of the floating ball is adjusted by the depth change of the screw in the screw hole. The whole process needs to be manually rotated by the screw, and cannot automatically adjust the liquid level, so it cannot automatically adjust the drainage amount and cannot automatically control the sewage in the dynamic balance of the discharge state. SUMMARY

[0005] In order to solve the problem that the sewage cannot be automatically controlled in the dynamic balance of the discharge state due to the inability to automatically adjust the drainage amount, the present application provides a water level self-adjusting valve drainage system, which adjusts the drainage amount of the sewage after the filtering water device through the adjusting device and the axial limiting device of the drainage cylinder under the action of the buoyancy.

[0006] In order to achieve the above purpose, the present application is realized by the following technical scheme:

[0007] A water level self-adjusting valve drainage system, comprising:

[0008] A water filtering device for filtering solid sundries in sewage.

[0009] The drain cylinder is arranged at the lower part of the water filtering device, is sleeved on the water filtering device, and is communicated with the lower end of the water filtering device, and is used for draining the sewage filtered by the water filtering device.

[0010] The axial limiting device is sleeved on the middle part of the water filtering device, and a gap exists between the water filtering device and the axial limiting device, and the axial limiting device is detachably connected with the drain cylinder, and is used for preventing the drain cylinder from moving axially relative to the water filtering device through the connecting piece, so that the sewage is in a dynamic balance state in the drain cylinder.

[0011] The adjusting device is coaxially sleeved on the water filtering device and located in the cavity between the axial limiting device and the drain cylinder, is in contact with the drain cylinder, and is used for floating up and down in the cavity to adjust the distance between the adjusting device and the drain cylinder, and then adjust the discharge amount of the sewage from the drain cylinder.

[0012] Compared with the prior art, the sewage enters the water filtering device, and after the solid impurities in the sewage are filtered out, the sewage enters the drain cylinder. After the connecting piece is connected with the axial limiting device and the bottom surface of the drain cylinder, the connecting piece is connected with the axial limiting device and the drain cylinder, and a communicating vessel for discharging sewage is formed between the water filtering device and the drain cylinder, so that the sewage can be discharged from the drain cylinder in a dynamic balance state. During the discharge of the sewage, the adjusting device is subjected to the buoyancy of the sewage, and moves up and down in the cavity to realize the purpose of approaching or moving away from the drain cylinder. When the adjusting device approaches the drain cylinder, the discharge amount of the sewage is reduced, and when the adjusting device moves away from the drain cylinder, the discharge amount of the sewage is increased, so as to realize the purpose of automatically adjusting the water level. By automatically adjusting the discharge amount, the purpose of automatically controlling the discharge state of the sewage in a dynamic balance state is achieved.

[0013] Further preferably, the water filtering device comprises:

[0014] The water filtering cylinder is used for introducing sewage.

[0015] The filter plate is arranged in the water filtering cylinder, and the side wall of the filter plate is detachably connected with the inner wall of the water filtering cylinder, and is used for filtering solid impurities in the sewage.

[0016] The first supporting plate is fixed to the inner wall of the water filtering cylinder and located below the filter plate, and the side wall of the first supporting plate is sealingly connected with the inner wall of the water filtering cylinder, and a first lower water hole is formed at the geometric center of the first supporting plate.

[0017] The first floating ball is located on the first supporting plate, and the surface of the first floating ball is in contact with the first supporting plate. In the static state without water, the first floating ball is used for plugging the first lower water hole, and when the sewage enters, the first floating ball floats up.

[0018] The second supporting plate is located below the first supporting plate, and the side wall of the second supporting plate is sealingly connected with the inner wall of the water filtering cylinder, and a second lower water hole is formed at the geometric center of the second supporting plate.

[0019] The second floating ball is located on the second supporting plate and is in contact with the second supporting plate, and when there is water, the second floating ball is used to divert the sewage to the drain cylinder by floating.

[0020] With the above technical solution, the sewage entering the filter cylinder is filtered by the filter plate, and the sundries are left on the filter plate, and the sewage flows on the first floating ball. As the water volume increases, the first floating ball floats up and diverts the sewage to the space between the first supporting plate and the second supporting plate, and as the water volume on the second supporting plate increases, the second floating ball floats up, and the sewage is introduced into the drain cylinder.

[0021] Further preferably, a drain groove is formed in the drain cylinder, and the bottom surface of the drain groove is in contact with the adjusting device, and the adjusting device is used to move up and down along the axial direction to control the water discharge volume of the sewage.

[0022] With the above technical solution, when the water volume in the drain cylinder increases, the liquid level of the sewage will rise, the buoyancy will correspondingly increase, and the adjusting device will move away from the drain cylinder under the action of the buoyancy. When the water volume decreases, the adjusting device will gradually approach the drain groove, and the distance between the adjusting device and the drain groove will be shortened, and the amount of sewage discharged will be reduced. When the adjusting device moves away from the drain groove, the distance between the adjusting device and the drain groove is greater, so the amount of sewage discharged is greater. When the lower edge of the adjusting device 3 is completely separated from the upper edge of the drain groove in the drain cylinder 4, the gap width is automatically adjusted according to the sewage volume, and the normal sewage state is achieved. Similarly, when the adjusting device approaches the drain groove, the distance between the adjusting device and the drain groove becomes smaller, and the amount of sewage discharged becomes smaller, thereby achieving the dynamic balance of the discharge state.

[0023] Further preferably, the drain groove is in the shape of a comb.

[0024] With the above technical solution, the adjusting device can be in complete contact with the drain groove, and the comb-shaped drain groove can discharge the sewage in real time, reducing the occurrence of blockage or difficulty in discharging.

[0025] Further preferably, the adjusting device comprises:

[0026] The floating ring is sleeved on the outer wall of the filter cylinder, and a gap exists between the inner wall and the outer wall to prevent jamming, and the floating ring is used to reciprocate in the axial direction of the filter cylinder.

[0027] The floating plate is uniformly arranged on the floating ring and is connected to the edge of the floating ring by integral molding, is located in the drain groove, and the bottom surface of the floating plate is in contact with the bottom surface of the drain groove, and the floating plate is used to move away from or approach the drain groove.

[0028] The third floating ball is embedded in the floating ring, and the number of the third floating ball is three, the surface of the third floating ball is matched with the floating ring, and the third floating ball is uniformly distributed on the virtual ring surface where the floating ring is located, and the third floating ball is used to drive the floating ring to move up and down on the filter cylinder under the action of the buoyancy.

[0029] Adopting the technical scheme, when the liquid surface of the sewage contacts with the bottom surface of the floating ring, the three third floating balls are driven to float upward by the buoyancy, and the floating plate moves upward along with the floating ring, in the process, the floating plate is gradually separated from the drainage groove, and the sewage is drained from the drainage groove, so as to realize the purpose of automatically controlling the sewage drainage.

[0030] Further optimization is that the height of the second supporting plate is higher than the upper edge of the drainage window of the drainage cylinder.

[0031] Adopting the technical scheme, when the second floating ball floats up, the drainage cylinder is already full of water, and enters the sewage state by the adjusting device.

[0032] Further optimization is that the axial limiting device comprises:

[0033] The end cover is sleeved on the outer wall of the water filtering cylinder and has a gap with the water filtering cylinder, one end of the connecting piece is screwed with the end cover, and the other end penetrates through the floating ring and is fixedly connected with the inner bottom surface of the drainage cylinder, and the connecting piece is used for limiting the position of the drainage cylinder and the end cover on the water filtering cylinder, so as to prevent the floating ring from moving up and down.

[0034] The baffle is arranged on the bottom surface of the end cover and is fixedly connected with the end cover by integral molding, and the inner wall of the baffle is detachably connected with the outer wall of the drainage cylinder.

[0035] Adopting the technical scheme, the freedom of the drainage cylinder on the water filtering cylinder is limited by the connecting piece, and then the adjusting device can only move in the cavity formed by the drainage cylinder and the water filtering cylinder to adjust the sewage discharge amount.

[0036] Further optimization is that the width of the floating plate is equal to the width of the drainage groove.

[0037] Adopting the technical scheme, when the bottom surface of the floating plate contacts with the bottom surface of the drainage groove, the sewage can be blocked, the water seal function can be played, the sealing effect can be achieved, and the jamming of the moving piece is avoided due to the existence of the gap.

[0038] Further optimization is that the drainage cylinder is connected with the radial limiting device, and the radial limiting device is fixedly connected with the water filtering device and the drainage cylinder respectively, and is used for preventing the drainage cylinder from shaking in the radial direction relative to the water filtering cylinder.

[0039] Adopting the technical scheme, the freedom of the water filtering cylinder in the drainage cylinder is limited, so that the purpose of stably discharging sewage in the drainage cylinder is achieved.

[0040] Further optimization is that the radial limiting device comprises:

[0041] The first limiting piece is arranged on the inner wall of the water outlet cylinder, and one end of the first limiting piece is fixedly connected with the inner wall of the water outlet cylinder.

[0042] The second limiting member is fixed on the water filtering device and is connected with the other end of the first limiting member through a bolt, and is used for limiting the water outlet device from moving in the radial direction relative to the water filtering device together with the first limiting member.

[0043] By connecting the first limiting member and the second limiting member, the movement or deviation of the water filtering cylinder in the drainage cylinder is prevented, and the jamming of the moving part is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0044] Figure 1 The figure is a structural schematic diagram of the embodiment.

[0045] Figure 2 The figure is a sectional structural schematic diagram of the embodiment.

[0046] Figure 3 The figure is a structural schematic diagram of the radial limiting device in the embodiment.

[0047] Figure 4 The figure is a structural schematic diagram of the adjusting device in the embodiment.

[0048] Figure 5 The figure is a structural schematic diagram of the axial limiting adjusting device in the embodiment.

[0049] Reference signs: 1-water filtering device; 10-water filtering cylinder; 11-filter plate; 12-first supporting plate; 13-first floating ball; 14-second supporting plate; 15-second floating ball; 2-axial limiting device; 21-end cover; 22-stop piece; 3-adjusting device; 30-floating ring; 31-floating plate; 32-third floating ball; 4-drainage cylinder; 5-connection member; 6-radial limiting device; 60-bolt; 61-first limiting member; 62-second limiting member. DETAILED DESCRIPTION

[0050] In the prior art, a Chinese patent with the application number CN201420791790.5 and the name “water seal liquid level self-adjusting type drainage deodorizing floor drain” is provided with a first filter cover and a second filter cover in a pre-buried box, which can fully filter impurities in sewage and are convenient to clean, and can effectively avoid the occurrence of sewer blockage. A center through screw hole for adjusting the fixed position of the screw on the floating ball is arranged on the floating ball, so that the height of the floating ball is adjusted as needed, the depth of the water seal liquid level is controlled, the reliability of the water seal function is ensured, and when the liquid level of the discharged sewage is higher than the water seal liquid level by a certain height, the floating ball will automatically float up, drive the screw to move upwards, open the drainage channel, and quickly drain water. When there is no drainage for a long time and the water seal area is dry, the floating ball device is limited by the second filter cover and the gravity of the floating ball, the screw head end surface gasket and the water inlet of the water outlet channel are in reliable sealing contact state, so that the return taste does not occur.

[0051] This technical solution uses a float device to maintain a sealed contact with the sewer channel under the action of limiting and its own weight. Although it solves the technical problem of backflow of odor, controlling the liquid level of the water seal is actually achieved by manually adjusting the relative depth of the screw in the threaded hole. The height of the float is adjusted by changing the depth of the screw in the threaded hole. The whole process requires manual rotation of the screw and cannot achieve the purpose of automatic adjustment of the liquid level. Therefore, it cannot automatically adjust the drainage volume or automatically control the sewage to be in a dynamic equilibrium discharge state.

[0052] To address the aforementioned technical problems, the present invention has the following design and concept: by setting a structure inside the drainage cylinder and the filter cylinder that can control the amount of sewage discharged, and the structure has a self-sealing capability.

[0053] Based on the above design and concept, the present invention, by combining the appendix... Figure 1 The present invention will be described in further detail below.

[0054] A water level self-regulating valve drainage system, such as Figure 1 As shown, it includes:

[0055] Water filtration device 1 is used to filter solid impurities in sewage.

[0056] The drain cylinder 4 is located at the lower part of the water filter device 1, is sleeved on the water filter device 1, and is connected to the lower end of the water filter device 1, and is used to discharge the sewage filtered by the water filter device 1.

[0057] The axial limiting device 2 is sleeved in the middle of the water filtration device 1, with a gap between it and the water filtration device 1. It is detachably connected to the drain cylinder 4 and is used to prevent the drain cylinder 4 from moving axially relative to the water filtration device 1 through the connecting piece 5, so that the sewage is discharged in dynamic equilibrium in the drain cylinder 4. The connecting piece 5 can be a connecting rod, which connects the axial limiting device 2 to the drain cylinder 4.

[0058] The adjusting device 3 is coaxially sleeved on the water filter device 1 with the drain cylinder 4. It is located in the cavity between the axial limiting device 2 and the drain cylinder 4 and is in contact with the drain cylinder 4. It is used to adjust the distance between itself and the drain cylinder 4 by floating up and down in the cavity, thereby adjusting the amount of sewage discharged from the drain cylinder 4. The adjusting device moves axially on the connecting rod 5.

[0059] The sewage enters the filter device 1, and the solid impurities are filtered out. The sewage enters the drain cylinder 4. The connecting piece 5 is connected with the axial limiting device 2 and the bottom surface of the drain cylinder 4 respectively, and then the axial limiting device 2 is connected with the drain cylinder 4. A communication device for discharging sewage is formed between the filter device 1 and the drain cylinder 4, so that the sewage can be discharged from the drain cylinder 4 in a dynamic balance state. The adjusting device moves on the slide rod of the connecting piece 5. In the process of discharging the sewage, the adjusting device 3 is subjected to the buoyancy of the sewage, and moves up and down in the cavity to realize the purpose of approaching or moving away from the drain cylinder 4. When the adjusting device 3 approaches the drain cylinder 4, the amount of discharged sewage is reduced, and when the adjusting device 3 moves away from the drain cylinder 4, the amount of discharged sewage is increased, so as to realize the purpose of automatically adjusting the water level. By automatically adjusting the amount of discharged sewage, the purpose of automatically controlling the discharge state of the sewage in a dynamic balance state is achieved.

[0060] Specifically, as shown in Figure 1 and Figure 2 , the filter device 1 in the embodiment comprises:

[0061] The filter cylinder 10 is used for introducing sewage.

[0062] The filter plate 11 is arranged in the filter cylinder 10, and the side wall of the filter plate 11 is detachably connected with the inner wall of the filter cylinder 10, and is used for filtering the solid impurities in the sewage.

[0063] The first supporting plate 12 is fixed to the inner wall of the filter cylinder 10 and is located below the filter plate 11. As shown in Figure 1 and Figure 2 , the side wall of the first supporting plate 12 is sealingly and detachably connected with the inner wall of the filter cylinder 10, and the first lower water hole 121 is arranged at the geometric center of the first supporting plate 12.

[0064] The first floating ball 13 is located on the first supporting plate 12, and the surface of the first floating ball 13 is in contact with the first supporting plate 12. In the static state without water, the first floating ball 13 is used for blocking the first lower water hole 121. When the sewage enters, water gradually accumulates on the first supporting plate 12, and the first floating ball 13 floats up and can move freely in the space between the filter plate 11 and the first supporting plate 12 by the buoyancy, and divides the sewage into the next space.

[0065] The second supporting plate 14 is sealingly connected with the inner wall of the filter cylinder 10 and is located below the first supporting plate 12. As shown in Figure 1 and Figure 2 , the second lower water hole 141 is arranged in the middle of the second supporting plate 14.

[0066] The second float 15 is located on the second support plate 14, and its surface is in contact with the second support plate 14. In the dry and static state, the second float 15 seals the second drain hole 141. When there is water, the second float 15 floats freely between the first support plate 12 and the second support plate 14 according to the amount of sewage. When it floats due to the buoyancy of the sewage, it loses its sealing effect on the second support plate 14, thereby introducing the sewage into the next stage space, that is, into the drain cylinder 4.

[0067] The second float 15 is higher than the lower part of the drain window of the drain cylinder 14. Its advantage is that when the inlet water volume of the filter cylinder 10 is constant, it quickly enters the drainage state, and the bottom water acts as a water seal when there is water in the system. When there is no water in the system, the first float 13 blocks the first drain hole 121 by its own weight, and the second float 15 blocks the second drain hole 141 by its own weight. Therefore, the first float 13 and the second float 15 achieve a double-stage sealing effect.

[0068] After entering the filter cylinder 10, wastewater is filtered out by the filter plate 11, leaving the impurities on the filter plate 11. The wastewater then flows onto the first float 13. As the water volume increases, the first float 13 rises and diverts the wastewater to the space between the first support plate 12 and the second support plate 14. As the wastewater volume gradually increases, the second float 15 rises, and the wastewater is introduced into the drain cylinder 4 through the second drain hole 141.

[0069] Specifically, such as Figure 1 As shown, the drainage cylinder 4 in this embodiment has a drainage groove, the bottom surface of which is in contact with the adjusting device 3. The adjusting device 3 is used to move up and down along the axial direction to control the amount of sewage discharged.

[0070] When the amount of sewage in the drain cylinder 4 increases, the sewage level rises, and the buoyancy increases accordingly. The regulating device 3, under the influence of buoyancy, moves away from the drain cylinder 4. When the amount of sewage decreases, the regulating device 3 gradually moves closer to the drain trough, shortening the distance between them, thus reducing the amount of sewage discharged. As the regulating device 3 moves away from the drain trough, the greater the distance, the greater the amount of sewage discharged. When the lower edge of the regulating device 3 is completely separated from the upper edge of the drain trough in the drain cylinder 4, the gap width is automatically adjusted according to the amount of water discharged, achieving normal drainage. Similarly, as it moves closer to the drain trough, the distance decreases, resulting in a smaller amount of sewage discharged, thus achieving a dynamically balanced discharge state.

[0071] Specifically, as shown in the figure, the drainage channel in this embodiment is comb-shaped. It can fully contact the adjusting device 3, and the comb-shaped drainage channel will discharge sewage in time, reducing the occurrence of blockage or incomplete drainage.

[0072] Specifically, such as Figure 1 and Figure 4The adjusting device 3 in the embodiment includes:

[0073] The floating ring 30 is sleeved on the outer wall of the filter cylinder 10, and a gap exists between the inner wall and the outer wall. The three connecting rods 5 pass through the limiting holes on the floating ring and are used for reciprocating movement in the axial direction of the filter cylinder 10.

[0074] The floating plate 31 is uniformly arranged on the floating ring 30 and is connected with the edge of the floating ring 30 through integral molding. The bottom surface of the floating plate 31 is in contact with the bottom surface of the drainage groove, and the floating plate 31 is used for moving away from or close to the drainage groove in the axial direction. When the lower edge of the floating plate 31 is completely separated from the upper edge of the drainage groove in the drainage cylinder 4, the gap width is automatically adjusted according to the sewage amount, so that the normal drainage state is achieved.

[0075] The third floating ball 32 is embedded in the floating ring 30, and the number of the third floating ball 32 is three. The surface of the third floating ball 32 is matched with the floating ring 30, and the surface of the third floating ball 32 is uniformly distributed on both sides of the floating ring 30. The third floating ball 32 is used for driving the floating ring 30 to move up and down on the filter cylinder 10 under the action of buoyancy.

[0076] When the liquid surface of the sewage is in contact with the bottom surface of the floating ring 30, the three third floating balls 32 are driven to float upward by the buoyancy, and the floating plate 31 moves upward together with the floating ring 30. In this process, the floating plate 31 is gradually separated from the drainage groove, and the sewage is discharged from the drainage groove, so that the purpose of automatically controlling the sewage discharge is achieved.

[0077] Specifically, as shown in Figure 2 and Figure 4 The number of the third floating ball 32 in the embodiment is three, and the three third floating balls 32 are uniformly distributed on the virtual ring surface where the floating ring 30 is located. The third floating ball 32 is evenly distributed on the floating ring 30, so as to ensure that the floating ring 30 is uniformly stressed and avoid that the filter cylinder 10 is inclined in the axial direction and the adjusting device 3 is jammed with the connecting rod 5.

[0078] The height of the second supporting plate is higher than the upper edge of the drainage window of the drainage cylinder, so that when the second floating ball is floated, the drainage cylinder is already full of water, and the adjusting device enters the drainage state by floating.

[0079] Specifically, as shown in Figure 1 and Figure 5 The axial limiting device 2 in the embodiment includes:

[0080] The end cover 21 is sleeved on the outer wall of the filter cylinder 10 and has a gap with the filter cylinder 10. The end cover 21 is used for preventing the gas remaining in the drainage cylinder 4 from causing the drainage obstacle. One end of the connecting piece 5 is screwed with the end cover 21, and the other end passes through the floating ring 30 and is fixedly connected with the inner bottom surface of the drainage cylinder 4. The connecting piece 5 is used for limiting the position of the drainage cylinder 4 and the end cover 21 on the filter cylinder 10, so as to prevent the floating ring 30 from moving up and down.

[0081] The baffle 22 is arranged on the bottom surface of the end cover 21 and is integrally connected with the end cover 21. The inner wall of the baffle 22 is detachably connected with the outer wall of the drain cylinder 4.

[0082] The connection member 5 limits the freedom of the drain cylinder 4 on the filter cylinder 10, and further limits the adjusting device 3 to move in the cavity formed by the drain cylinder 4 and the filter cylinder 10 to adjust the discharge amount of the sewage.

[0083] Specifically, as shown in Figure 1 and Figure 4 , the width of the floating plate 31 in the embodiment is equal to the width of the drain groove, and the inner wall of the floating plate 31 has a gap with the outer wall of the drain cylinder 4. When the bottom surface of the floating plate 31 contacts the bottom surface of the drain groove, it can block part of the sewage from being discharged, and at the same time block most of the sewage or odor from flowing back outside the drain cylinder 4.

[0084] Specifically, as shown in Figure 1 and Figure 2 , the drain cylinder 4 in the embodiment is connected with a radial limiting device 6, which is fixed with the filter device 1 and the drain cylinder 4 respectively, and is used to prevent the drain cylinder 4 from shaking in the radial direction relative to the filter cylinder 10. In this way, the freedom of the filter cylinder 10 in the drain cylinder 4 is limited, so as to achieve the purpose of stable discharge of sewage in the drain cylinder 4.

[0085] Specifically, as shown in Figure 1 and Figure 2 , the radial limiting device 6 in the embodiment includes:

[0086] The first limiting member 61 is arranged on the inner wall of the water outlet cylinder and is fixed with one end of the inner wall of the water outlet cylinder.

[0087] The second limiting member 62 is fixed on the outer wall of the filter device 1 and is connected with the other end of the first limiting member 61 through the bolt 60, and is used to limit the movement of the water outlet device in the radial direction relative to the filter device 1 together with the first limiting member 61. By connecting the first limiting member 61 and the second limiting member 62, the movement or deviation of the filter cylinder 10 in the drain cylinder 4 is prevented. The first limiting member 61 and the second limiting member 62 can be selected as limiting strips or limiting blocks, and then connected through the bolt 60 to rigidly connect the filter cylinder 10 and the drain cylinder 4, so as to limit the shaking or movement of the filter cylinder 10 in the drain cylinder 4 and affect the discharge of the sewage.

[0088] The specific embodiment is only an explanation of the invention, and is not a limitation of the invention. Those skilled in the art can make modifications to the embodiment without creative contribution after reading the specification, as long as the modifications are within the protection scope of the invention and are protected by the patent law.

Claims

1. A water level self-regulating valve and water system, characterized by, The utility model relates to a filter device for filtering solid impurities in sewage, comprising: a filter device (1) for filtering solid impurities in sewage; the filter device (1) comprises a filter cylinder (10) for passing in the sewage, a drain cylinder (4) arranged at the lower part of the filter device (1), sleeved on the filter device (1), communicated with the lower end of the filter device (1), and used for discharging the filtered sewage from the filter device (1); the drain cylinder (4) is connected with a radial limiting device (6) which is fixedly connected with the filter device (1) and the drain cylinder (4) respectively, used for preventing the drain cylinder (4) from shaking in the radial direction relative to the filter cylinder (10); a drain groove is formed in the drain cylinder (4); the width of the floating plate (31) is equal to the width of the drain groove; an axial limiting device (2) which is sleeved on the middle part of the filter device (1), has a gap between the filter device (1), and is detachably connected with the drain cylinder (4), used for preventing the drain cylinder (4) from moving axially relative to the filter device (1) through a connecting piece (5), so that the sewage is in dynamic balance in the drain cylinder (4) and discharged; the axial limiting device (2) comprises an end cover (21) which is sleeved on the outer wall of the filter cylinder (10) and has a gap between the filter cylinder (10), one end of the connecting piece (5) is screwed with the end cover (21), the other end penetrates through a floating ring (30) and is fixedly connected with the inner bottom surface of the drain cylinder (4), the connecting piece (5) is used for limiting the position of the drain cylinder (4) and the end cover (21) on the filter cylinder (10), so as to prevent the floating ring (30) from moving up and down; a baffle (22) is arranged on the bottom surface of the end cover (21) and integrally connected with the end cover (21), and the inner wall of the baffle (22) is detachably connected with the outer wall of the drain cylinder (4); an adjusting device (3) which is coaxially sleeved on the filter device (1) and located in the cavity between the axial limiting device (2) and the drain cylinder (4), in contact with the drain cylinder (4), used for floating up and down in the cavity to adjust the distance between the adjusting device (3) and the drain cylinder (4), and then adjust the discharge amount of the sewage from the drain cylinder (4); the adjusting device (3) comprises the floating ring (30) which is sleeved on the outer wall of the filter cylinder (10) and has a gap between the inner wall and the outer wall, used for reciprocating in the axial direction of the filter cylinder (10); the floating plate (31) is uniformly arranged on the floating ring (30) and integrally connected with the edge of the floating ring (30), located in the drain groove, and in contact with the bottom surface of the drain groove, used for moving away from or close to the drain groove; a third floating ball (32) is embedded in the floating ring (30) and uniformly distributed on the floating ring (30), used for driving the floating ring (30) to move up and down on the filter cylinder (10) under the action of buoyancy. The filter device (1) further comprises:

2. The water level regulating valve system according to claim 1, wherein ​ A filter plate (11) is arranged in the filter cylinder (10) and detachably connected with the inner wall of the filter cylinder (10) to filter solid impurities in the sewage; A first supporting plate (12) is fixed to the inner wall of the filter cylinder (10) below the filter plate (11) and sealingly connected with the inner wall of the filter cylinder (10), and a first lower water hole (121) is formed at the geometric center of the first supporting plate (12); A first floating ball (13) is arranged on the first supporting plate (12) and in contact with the first supporting plate (12), and in the waterless state, the first floating ball (13) is used to block the first lower water hole (121); when the sewage enters, the first floating ball (13) floats up; A second supporting plate (14) is arranged below the first supporting plate (12) and sealingly connected with the inner wall of the filter cylinder (10), and a second lower water hole (141) is formed at the geometric center of the second supporting plate (14); A second floating ball (15) is arranged on the second supporting plate (14) and in contact with the second lower water hole (141), and when there is water, the second floating ball (15) is used to divert the sewage to the drain cylinder (4) by floating up.

3. The self-regulating water level valve water system according to claim 1, wherein, The bottom surface of the drain groove is in contact with the adjusting device (3), and the adjusting device (3) is used to move up and down along the axial direction to control the water output of the sewage.

4. The self-regulating water level valve water system according to claim 3, wherein, The drain groove is in the shape of a comb tooth.

5. The self-regulating water level valve system according to claim 2, wherein, The height of the second supporting plate (14) is higher than the upper edge of the drain window of the drain cylinder (4).

6. The self-regulating valve water level system of claim 1, wherein, The radial limiting device (6) comprises: A first limiting member (61) is arranged on the inner wall of the drain cylinder (4) and fixedly connected with the inner wall of the drain cylinder (4) at one end; A second limiting member (62) is fixed to the filter device (1) and connected with the other end of the first limiting member (61) through a bolt (60), and is used to limit the movement of the drain cylinder (4) in the radial direction relative to the filter device (1) together with the first limiting member (61).

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