Automatic exhaust device of sand filter tank

Abstract

The utility model discloses an automatic exhaust device of a sand filter tank, which relates to the technical field of sand filter tanks and comprises a sand filter tank, a discharge pipe is fixedly connected below the right side of the outer surface of the sand filter tank, a feed pipe is fixedly connected above the right side of the outer surface of the sand filter tank, and a connecting mechanism is fixedly connected on the left side of the top of the sand filter tank. And an exhaust mechanism is fixedly mounted at the top of the connecting mechanism. When the pressure in the sand filter tank reaches a certain degree, the closed ball body blocked on the exhaust hole can be pushed to slide, so that the exhaust hole can be communicated with the exhaust chamber, and gas in the sand filter tank can be conveniently and automatically exhausted through the communicating groove and the hemispherical shell; and the jacking force borne by the closed ball body can be adjusted through the knob, so that the pressure generated when the closed ball body slides open can be adjusted, exhaust of the sand filter tank is more convenient, the situation that the sand filter tank is damaged due to the fact that the pressure in the sand filter tank cannot be released is avoided, and normal use of the sand filter tank is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of sand filter tanks, in particular to an automatic exhaust device for a sand filter tank. Background Art

[0002] Quartz sand filtration is the most effective means of removing suspended matter in water. It is an important unit in sewage deep treatment, sewage reuse and water supply treatment. Its function is to further remove the flocculated pollutants in the water. It achieves the purpose of water purification through the interception, sedimentation and adsorption of the filter material.

[0003] The existing technology has the following problems:

[0004] When the existing sand filter tank is in use, it is necessary to manually open the valve above the sand filter tank regularly to exhaust the air, which is not only time-consuming and laborious, but also causes excessive pressure in the sand filter tank system if the exhaust is not timely, causing damage to the sand filter tank and affecting the normal use of the sand filter tank. Utility Model Content

[0005] The utility model provides an automatic exhaust device for a sand filter tank to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] An automatic exhaust device for a sand filter tank comprises a sand filter tank, wherein a discharge pipe is fixedly connected to the lower right side of the outer surface of the sand filter tank, a feed pipe is fixedly connected to the upper right side of the outer surface of the sand filter tank, a connecting mechanism is fixedly connected to the left side of the top of the sand filter tank, and an exhaust mechanism is fixedly installed on the top of the connecting mechanism.

[0008] The exhaust mechanism comprises an exhaust column, the bottom end of which is fixedly connected to a plug-in column, the bottom end of which is provided with an exhaust hole, and the top end of which is fixedly connected to a hemispherical shell.

[0009] The top of the tightening rod is fixedly connected to the top of the hemispherical shell, and the top of the tightening rod is fixedly connected to the top of the hemispherical shell.

[0010] A further improvement of the technical solution of the utility model is that the exhaust column is arranged at the top of the connecting mechanism, an annular groove is opened on the outer surface of the plug-in column, a sealing ring is fixedly connected to the bottom of the exhaust column, and an annular dustproof net is fixedly connected to the bottom of the hemispherical shell.

[0011] A further improvement of the technical solution of the utility model is that the connecting mechanism comprises a connecting sleeve, the connecting sleeve is fixedly connected to the top left side of the sand filter tank, and the plug-in column is slidably plugged into the inner surface of the connecting sleeve.

[0012] A further improvement of the technical solution of the utility model is that: the outer surface of the connecting sleeve is rotatably connected with a rotating gear ring, the inner surface of the rotating gear ring is meshingly connected with two transmission wheels on both sides, the outer surface of the connecting sleeve is provided with two movable grooves on both sides, and the transmission wheels are movably connected inside the movable grooves.

[0013] A further improvement of the technical solution of the utility model lies in that: a transmission screw is fixedly connected to the opposite surfaces of the two transmission wheels, and sliding grooves 2 are provided on the left and right sides of the inner surface of the connecting sleeve, the transmission screw is movably connected inside the sliding groove 2, and a sliding clamping plate is threadedly connected to the outer surface of the transmission screw, and one end of the sliding clamping plate away from the connecting mechanism passes through the inside of the annular clamping groove, and oblique sliding grooves are provided on the front and rear sides of the inner surface of the sliding groove 2.

[0014] A further improvement of the technical solution of the utility model is that the sliding card includes a threaded slide plate, the outer surface of the threaded slide plate is slidably connected to the inner surface of the second sliding groove, and a threaded hole penetrating up and down is opened on the side of the inside of the threaded slide plate away from the plug-in column, and the inner surface of the threaded hole is threadedly connected to the outer surface of the transmission screw.

[0015] A further improvement of the technical solution of the utility model is that a telescopic slide groove is provided on one side of the threaded slide plate close to the plug-in column, an ejection plate is slidably connected inside the telescopic slide groove, and a fixed clamping plate is fixedly connected to one end of the ejection plate close to the plug-in column.

[0016] A further improvement of the technical solution of the utility model is that: limiting slide grooves are provided on the front and rear sides of the outer surface of the threaded slide plate, and sliding blocks are fixedly connected to the front and rear sides of the ejection plate. The end of the sliding block away from the ejection plate penetrates into the interior of the oblique slide groove and the outer surface is slidably connected to the inner surface of the limiting slide groove.

[0017] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0018] 1. The utility model provides an automatic exhaust device for a sand filter tank. Through the cooperation among the exhaust chamber, the connecting groove, the closed ball, the sliding column, the tightening spring, the pressing plate, the threaded sliding column, the threaded rod and the knob, when the pressure inside the sand filter tank reaches a certain level, the closed ball blocking the exhaust hole will be pushed to slide, so that the exhaust hole can be connected with the exhaust chamber, which is convenient for automatically exhausting the gas inside the sand filter tank through the connecting groove and the hemispherical shell body, and the tightening force on the closed ball can be adjusted by the knob, so that the pressure when the closed ball slides open can be adjusted, making the exhaust of the sand filter tank more convenient, avoiding the damage of the sand filter tank caused by the inability to release the pressure inside the sand filter tank, and ensuring the normal use of the sand filter tank.

[0019] 2. The utility model provides an automatic exhaust device for a sand filter tank. Through the mutual cooperation among a plug-in column, an annular groove, a sealing ring, a connecting sleeve, a rotating gear ring, a transmission wheel, a transmission screw, and a sliding card plate, when the exhaust mechanism is connected to the sand filter tank, the plug-in column is inserted into the interior of the connecting sleeve, and by rotating the rotating gear ring, the transmission wheel can drive the transmission screw to rotate, and the sliding card plate can be inserted into the interior of the annular groove, so that the plug-in column can be fixed, thereby fixing the exhaust mechanism, which facilitates the use of the exhaust mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the exhaust mechanism of the utility model;

[0022] Figure 3 It is a cross-sectional structural diagram of the exhaust mechanism of the utility model;

[0023] Figure 4 It is a cross-sectional structural diagram of the connection mechanism of the utility model;

[0024] Figure 5 It is a schematic diagram of the cross-sectional structure of the sliding card plate of the utility model.

[0025] In the figure: 1. sand filter tank; 2. discharge pipe; 3. feed pipe; 4. connecting mechanism; 41. connecting sleeve; 42. rotating gear ring; 43. transmission wheel; 44. transmission screw; 45. sliding card plate; 451. threaded slide plate; 452. threaded hole; 453. telescopic slide; 454. ejector plate; 455. fixed card plate; 456. limit slide; 457. sliding block; 46. oblique slide; 5. exhaust mechanism; 51. exhaust column; 511. exhaust chamber; 512. connecting groove; 513. closed sphere; 514. sliding column; 515. tightening spring; 516. pressing plate; 517. threaded sliding column; 518. threaded rod; 519. knob; 52. plug-in column; 53. annular groove; 54. sealing ring; 55. exhaust hole; 56. hemispherical shell; 57. annular dust net. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods:

[0027] like Figure 1-2 As shown, the utility model provides an automatic exhaust device for a sand filter tank, comprising a sand filter tank 1, a discharge pipe 2 is fixedly connected to the lower right side of the outer surface of the sand filter tank 1, a feed pipe 3 is fixedly connected to the upper right side of the outer surface of the sand filter tank 1, a connecting mechanism 4 is fixedly connected to the left side of the top of the sand filter tank 1, an exhaust mechanism 5 is fixedly installed on the top of the connecting mechanism 4, the exhaust mechanism 5 comprises an exhaust column 51, a plug-in column 52 is fixedly connected to the bottom end of the exhaust column 51, an exhaust hole 55 is provided at the bottom end of the plug-in column 52, a hemispherical shell 56 is fixedly connected to the top of the exhaust column 51, the exhaust column 51 is arranged at the top of the connecting mechanism 4, an annular groove 53 is provided on the outer surface of the plug-in column 52, a sealing ring 54 is fixedly connected to the bottom of the exhaust column 51, and an annular dustproof net 57 is fixedly connected to the bottom of the hemispherical shell 56, through which dust can be prevented from entering the interior of the exhaust mechanism 5 from the hemispherical shell 56;

[0028] When the sand filter tank 1 is in use, the plug-in column 52 is inserted into the interior of the connecting mechanism 4, which is sealed by squeezing the sealing ring 54, and the exhaust mechanism 5 can be fixed through the connecting mechanism 4. When in use, the material enters the interior of the sand filter tank 1 from the feed pipe 3 for filtering and can be discharged from the discharge pipe 2. At the same time, the generated gas is discharged into the interior of the exhaust column 51 through the exhaust hole 55, and can be discharged through the hemispherical shell 56, thereby avoiding damage to the sand filter tank 1 caused by excessive pressure inside the sand filter tank 1, thereby ensuring the normal use of the sand filter tank 1.

[0029] like Figure 3 As shown, the utility model provides an automatic exhaust device for a sand filter tank, wherein an exhaust chamber 511 is provided inside an exhaust column 51, the top of an exhaust hole 55 penetrates to the lower surface of the exhaust chamber 511, a plurality of connecting grooves 512 are provided in an annular array on the upper surface of the exhaust chamber 511, the top of the connecting groove 512 penetrates to the interior of a hemispherical shell 56, a closed sphere 513 is provided in the middle of the exhaust chamber 511, the closed sphere 513 is provided at the top of the exhaust hole 55, a sliding column 514 is fixedly connected to the top of the closed sphere 513, and .... A sliding groove 1 is provided at the top, a sliding column 514 is slidably connected inside the sliding groove 1, a pressing spring 515 is fixedly connected to the top of the sliding column 514, a pressing plate 516 is fixedly connected to the top of the pressing spring 515, a threaded sliding column 517 is fixedly connected to the top of the pressing plate 516, a square sliding groove is provided at the top of the sliding groove 1, the threaded sliding column 517 is slidably connected inside the square sliding groove, a threaded rod 518 is threadedly connected to the middle part of the threaded sliding column 517, and the top end of the threaded rod 518 penetrates to the top of the hemispherical shell 56 and is fixedly connected to a knob 519;

[0030] When the pressure inside the sand filter tank 1 reaches a certain level, the air pressure inside the exhaust hole 55 will push the closing ball 513 to slide, causing the sliding column 514 to slide along the sliding groove 1 and squeeze the tightening spring 515, so that the gas inside the sand filter tank 1 can enter the exhaust chamber 511 from the exhaust hole 55 and enter the interior of the hemispherical shell 56 through the connecting groove 512, thereby being automatically discharged, thereby avoiding the damage to the sand filter tank 1 caused by the inability to release the pressure inside the sand filter tank 1. By rotating the knob 519, the threaded rod 518 can be driven to rotate, so that the threaded sliding column 517 slides inside the square sliding groove, so that the pressing plate 516 can be controlled to squeeze the tightening spring 515, so as to adjust the tightening force on the closing ball 513, so as to adjust the pressure when the closing ball 513 slides open, which is convenient for the use of the exhaust mechanism 5.

[0031] like Figure 4As shown, the utility model provides an automatic exhaust device for a sand filter tank, the outer surface of a connecting sleeve 41 is rotatably connected with a rotating gear ring 42, the inner surface of the rotating gear ring 42 is meshed with two transmission wheels 43 on both sides, the outer surface of the connecting sleeve 41 is provided with two movable grooves on both sides, the transmission wheels 43 are movably connected inside the movable grooves, and the opposite surfaces of the two transmission wheels 43 are fixedly connected with a transmission screw 44, the inner surface of the connecting sleeve 41 is provided with a sliding groove 2 on both sides, the transmission screw 44 is movably connected inside the sliding groove 2, the outer surface of the transmission screw 44 is threadedly connected with a sliding clamping plate 45, the end of the sliding clamping plate 45 away from the connecting mechanism 4 penetrates into the inside of the annular clamping groove 53, and the inner surface of the sliding groove 2 is provided with oblique sliding grooves 46 on both sides.

[0032] When the exhaust mechanism 5 is connected to the sand filter tank 1, the plug-in column 52 is inserted into the interior of the connecting sleeve 41. By rotating the rotating gear ring 42, the transmission wheel 43 can be rotated, and the transmission screw 44 can be driven to rotate, so that the sliding clamping plate 45 can slide inside the sliding groove 2 and can be clamped into the inside of the annular clamping groove 53, so that the plug-in column 52 can be fixed, and the exhaust mechanism 5 can be fixed, which facilitates the use of the exhaust mechanism 5.

[0033] like Figure 5 As shown, the utility model provides an automatic exhaust device for a sand filter tank, wherein the sliding card plate 45 comprises a threaded slide plate 451, the outer surface of the threaded slide plate 451 is slidably connected to the inner surface of the sliding groove 2, a threaded hole 452 is provided in the inner part of the threaded slide plate 451 away from the plug-in column 52, the inner surface of the threaded hole 452 is threadedly connected to the outer surface of the driving screw 44, a telescopic slide groove 453 is provided on the side of the threaded slide plate 451 close to the plug-in column 52, an ejection plate 454 is slidably connected to the inner part of the telescopic slide groove 453, and a fixed card plate 455 is fixedly connected to one end of the ejection plate 454 close to the plug-in column 52, and a limiting slide groove 456 is provided on the front and rear sides of the outer surface of the threaded slide plate 451, and a sliding block 457 is fixedly connected to the front and rear sides of the ejection plate 454, and the end of the sliding block 457 away from the ejection plate 454 penetrates into the interior of the oblique slide groove 46 and the outer surface is slidably connected to the inner surface of the limiting slide groove 456;

[0034] When the transmission screw 44 rotates, the threaded slide plate 451 can slide by cooperating with the thread of the threaded hole 452, and the fixed clamping plate 455 can be driven to slide by the ejection plate 454, so that the sliding block 457 can slide in the oblique slide groove 46 and the limiting slide groove 456 at the same time, so that the ejection plate 454 can slide out from the inside of the telescopic slide groove 453, and the fixed clamping plate 455 can be pushed into the inside of the annular clamping groove 53, thereby completing the fixation of the exhaust mechanism 5.

[0035] The following is a detailed description of the working principle of the automatic exhaust device of the sand filter tank.

[0036] like Figure 1-5 As shown, when the sand filter tank 1 is in use, the plug-in column 52 is inserted into the connecting sleeve 41. By rotating the rotating gear ring 42, the transmission wheel 43 can drive the transmission screw 44 to rotate, so that the sliding clamping plate 45 can be clamped into the inside of the annular clamping groove 53, so that the exhaust mechanism 5 can be fixed. When in use, the material enters the sand filter tank 1 from the feed pipe 3 for filtering and can be discharged from the discharge pipe 2. At the same time, the generated gas enters the exhaust hole 55. When the pressure of the gas reaches a certain level, the air pressure inside the exhaust hole 55 will push the closed sphere 513 to slide from the top of the exhaust hole 55, so that the exhaust hole 55 and the exhaust chamber 511 are connected, which facilitates the gas inside the sand filter tank 1 to enter the exhaust chamber 511 from the exhaust hole 55, and can enter the inside of the hemispherical shell 56 through the connecting groove 512, so that the gas is automatically discharged, avoiding the damage of the sand filter tank 1 caused by excessive pressure inside the sand filter tank 1, and ensuring the normal use of the sand filter tank 1.

[0037] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. An automatic exhaust device for a sand filter tank, comprising a sand filter tank (1), a discharge pipe (2) fixedly connected to the lower right side of the outer surface of the sand filter tank (1), and a feed pipe (3) fixedly connected to the upper right side of the outer surface of the sand filter tank (1), characterized in that: A connecting mechanism (4) is fixedly connected to the left side of the top of the sand filter tank (1), and an exhaust mechanism (5) is fixedly installed on the top of the connecting mechanism (4); The exhaust mechanism (5) comprises an exhaust column (51), the bottom end of the exhaust column (51) is fixedly connected to a plug column (52), the bottom end of the plug column (52) is provided with an exhaust hole (55), and the top end of the exhaust column (51) is fixedly connected to a hemispherical shell (56); An exhaust chamber (511) is provided inside the exhaust column (51), the top of the exhaust hole (55) penetrates to the lower surface of the exhaust chamber (511), a plurality of connecting grooves (512) are provided in a circular array on the upper surface of the exhaust chamber (511), the top of the connecting groove (512) penetrates to the interior of the hemispherical shell (56), a closed sphere (513) is provided in the middle of the exhaust chamber (511), the closed sphere (513) is provided at the top of the exhaust hole (55), a sliding column (514) is fixedly connected to the top of the closed sphere (513), a sliding groove 1 is provided in the middle of the upper surface of the exhaust chamber (511), The sliding column (514) is slidably connected inside the sliding groove one, the top of the sliding column (514) is fixedly connected with a tensioning spring (515), the top of the tensioning spring (515) is fixedly connected with a clamping plate (516), the top of the clamping plate (516) is fixedly connected with a threaded sliding column (517), the top of the sliding groove one is provided with a square sliding groove, the threaded sliding column (517) is slidably connected inside the square sliding groove, the middle part of the threaded sliding column (517) is threadedly connected with a threaded rod (518), the top end of the threaded rod (518) passes through the top of the hemispherical shell (56) and is fixedly connected with a knob (519).

2. The automatic exhaust device for a sand filter tank according to claim 1, characterized in that: The exhaust column (51) is arranged on the top of the connecting mechanism (4), an annular groove (53) is provided on the outer surface of the plug-in column (52), a sealing ring (54) is fixedly connected to the bottom of the exhaust column (51), and an annular dustproof net (57) is fixedly connected to the bottom of the hemispherical shell (56).

3. The automatic exhaust device for a sand filter tank according to claim 2, characterized in that: The connecting mechanism (4) comprises a connecting sleeve (41), the connecting sleeve (41) is fixedly connected to the top left side of the sand filter tank (1), and the plug-in column (52) is slidably plugged into the inner surface of the connecting sleeve (41).

4. The automatic exhaust device for a sand filter tank according to claim 3, characterized in that: The outer surface of the connecting sleeve (41) is rotatably connected to a rotating gear ring (42), and the inner surface of the rotating gear ring (42) is meshedly connected to two transmission wheels (43) on both sides, and the outer surface of the connecting sleeve (41) is provided with two movable grooves on both sides, and the transmission wheels (43) are movably connected inside the movable grooves.

5. The automatic exhaust device for a sand filter tank according to claim 4, characterized in that: A transmission screw (44) is fixedly connected to the opposite surfaces of the two transmission wheels (43); a second sliding groove is provided on both left and right sides of the inner surface of the connecting sleeve (41); the transmission screw (44) is movably connected inside the second sliding groove; a sliding clamp (45) is threadedly connected to the outer surface of the transmission screw (44); an end of the sliding clamp (45) away from the connecting mechanism (4) passes through the inside of the annular clamping groove (53); and oblique sliding grooves (46) are provided on both front and rear sides of the inner surface of the second sliding groove.

6. The automatic exhaust device for a sand filter tank according to claim 5, characterized in that: The sliding card plate (45) includes a threaded slide plate (451), the outer surface of which is slidably connected to the inner surface of the second sliding groove, and a threaded hole (452) is provided on the inner side of the threaded slide plate (451) away from the plug-in column (52) and extending therethrough, and the inner surface of the threaded hole (452) is threadedly connected to the outer surface of the transmission screw (44).

7. The automatic exhaust device for a sand filter tank according to claim 6, characterized in that: A telescopic slide groove (453) is provided on one side of the threaded slide plate (451) close to the plug-in column (52), an ejection plate (454) is slidably connected inside the telescopic slide groove (453), and a fixed clamping plate (455) is fixedly connected to one end of the ejection plate (454) close to the plug-in column (52).

8. The automatic exhaust device for a sand filter tank according to claim 7, characterized in that: The outer surface of the threaded slide plate (451) is provided with limiting slide grooves (456) on both the front and rear sides, and the front and rear sides of the ejection plate (454) are fixedly connected with sliding blocks (457), and the end of the sliding block (457) away from the ejection plate (454) penetrates into the interior of the oblique slide groove (46) and the outer surface is slidably connected to the inner surface of the limiting slide groove (456).

Images