CN111111286A

CN111111286A - Sewage treatment device

Info

Publication number: CN111111286A
Application number: CN202010155950.7A
Authority: CN
Inventors: 何佳遥; 李亮军; 骆苏平
Original assignee: Hangzhou Lyuyi Environmental Protection Technology Co ltd
Current assignee: Hangzhou Lyuyi Environmental Protection Technology Co ltd
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2020-05-08
Also published as: CN109908643A; CN111111287A; CN109908643B

Abstract

The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage treatment device, which comprises a collecting mechanism for collecting filtered particles, a filtering mechanism for filtering the particles and a driving mechanism, wherein the collecting mechanism is arranged on one side of the filtering mechanism, and the driving mechanism is arranged on the collecting mechanism; in the using process of the sewage treatment device, the grid bars with different intervals are selected to filter sewage with different degrees, and suspended matters and floating matters with different grain diameters can be intercepted by designing the intervals of the grid bars, so that the treatment load of subsequent structures is reduced, and the normal operation of equipment is ensured; the sewage treatment device provided by the invention provides motive power for the sewage treatment device through filtered particles, so that the beneficial effects of automatic filtration and quantitative cleaning of the particles are realized; the user can filter the sewage layer by layer through the sewage treatment devices which are distributed up and down and have gradually decreased intervals of the grids in the equipment.

Description

Sewage treatment device

Technical Field

The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage treatment device.

Background

The sewage treatment is a process for purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people; the grating is a group of parallel metal grating strips, consists of plastic grating strips with hooks or metal screen meshes, and is suitable for sewage channels, pump house water collecting well inlets, sewage treatment field water inlets and in front of a sand basin; suspended matters and floating matters with different particle sizes can be intercepted by designing the interval of the grid bars so as to reduce the processing load of subsequent structures and ensure the normal operation of equipment. The situation that the grid bars are blocked can occur due to long-time accumulation of the filtered particles on the grid bars at present, and the design of the anti-blocking intercepting type sewage treatment device is necessary.

The invention designs a device for treating sewage to solve the problems.

Disclosure of Invention

In order to solve the defects in the prior art, the invention discloses a sewage treatment device which is realized by adopting the following technical scheme.

In the description of the present invention, it should be noted that the terms "inside", "below", "upper" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention usually place when using, and are only used for convenience of description and simplification of description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation or be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

The utility model provides a device for handle sewage which characterized in that: the device comprises a collecting mechanism for collecting and filtering particles, a filtering mechanism for filtering the particles and a driving mechanism, wherein the collecting mechanism is arranged on one side of the filtering mechanism, and the driving mechanism is arranged on the collecting mechanism.

The filtering mechanism comprises a first mounting shell, grid bars, a second mounting shell, a push plate, a reset spring, a fixing plate, a fixing rod, a guide square groove, a square outlet, a water inlet, an avoiding notch, a connecting bar and a connecting square rod, wherein one side of the second mounting shell is provided with a plurality of guide square grooves which are internally and externally communicated and uniformly distributed at the front and the back, and the guide square grooves are used for guiding the push plate, so that the guide push plate can smoothly enter between the grid bars and push particles between the grid bars; the other side of the second mounting shell is provided with a through square outlet and a through water inlet, and the square outlet is used for pushing out the particles pushed out by the push plate through the square outlet and sliding into the collecting shell; the water inlet is used for filtering water flowing into the collecting shell through the square outlet in the process that the push plate pushes the particles, and then the water flows back into the second mounting shell through the water inlet after being filtered by the isolating plate; the water inlet is positioned at the lower side of the square outlet, and an avoidance notch is formed at the lower side of the water inlet; the avoidance notch is used for avoiding the up-and-down sliding of the driving rack and preventing the up-and-down movement of the driving rack from interfering with the second mounting shell; the grid bars are in a straight triangle shape, and a plurality of grid bars are uniformly arranged on the fixing plate through one end of the wide surface of the grid bars, so that the grid bars are fixed better; the rigidity of the grid bars in the up-down direction is increased; the other end of each grid bar is provided with a connecting square rod, and the connecting bars are arranged on the upper sides of all the connecting square rods; the grid bars are arranged in the mounting shell in a sliding fit manner with the second mounting shell through the connecting bars and the fixing plates; the grid bars are fixed by the connecting bars and the fixing plates; a plurality of reset springs which are uniformly distributed are arranged between the lower end surface of the fixed plate and the first mounting shell; the reset spring plays a role in resetting the grid; the lower side of the first mounting shell is provided with a plurality of first guide grooves which are uniformly distributed, and the first guide grooves have the functions of avoiding and guiding the connecting rod; the first mounting shell is mounted on one side of the second mounting shell, which is provided with a guide square groove; a plurality of push plates which are uniformly distributed are arranged on one side of the fixed rod, the width of each push plate is smaller than the distance between the grid bars, and the function of the push plates is that in the process that the push plates push particles on the grid bars, sewage can continuously flow downwards through gaps between the push plates and the grid bars; the push plates are arranged on the inner side of the first mounting shell through the fixing rods, one ends, far away from the fixing rods, of the push plates penetrate through the guide square grooves formed in the second mounting shell, and in a normal state, one ends, penetrating through the guide square grooves in the second mounting shell, of the push plates are flush with the inner side face of the second mounting shell; both ends of the fixed rod are provided with a limiting block which can freely stretch and retract and automatically reset, and the fixed rod is limited by the second mounting shell; the effect of stopper is to playing limiting displacement to the dead lever under initial condition, promote the in-process of downstream under the action of gravity of particulate matter when the bars, the bars can drive the drive rack downstream installed on the fixed plate through the fixed plate, drive rack downstream will drive rather than the drive gear rotation of meshing, drive gear rotates and drives the back shaft and rotates, because the dead lever is in quiescent condition under the effect of stopper, so the transmission rack of being connected with the dead lever also is in quiescent condition, drive gear also is in quiescent condition promptly, under this state, the back shaft rotates and will extrudes volute spiral spring and make volute spiral spring upper force.

The collecting mechanism comprises a collecting shell, a partition plate, a square opening and a partition plate, wherein the collecting shell is arranged on the side surface of the second mounting shell far away from the first mounting shell; the lower side of the second mounting shell is provided with a square opening which is communicated with the inside and the outside; the square opening is used for providing a moving space for the driving rack; the isolating plate is provided with a circular water leakage hole and is arranged in the collecting shell to divide the second mounting shell into an upper layer and a lower layer; the partition plate has the effects that in the process that the push plate pushes the particles, the particles flowing into the collection shell through the square outlet are accompanied by sewage, and the partition plate can enable the sewage to flow into the second installation shell through the water inlet again; two partitions for preventing the water leakage of the collecting shell are symmetrically arranged on two sides of the square opening; the division board is connected with the square export alignment cooperation on two-layer wherein upper strata and the second installation shell that the second installation shell divide into, and the lower floor aligns the cooperation with the water inlet on the second installation shell and is connected.

The driving mechanism comprises a transmission gear, a shifting block, a transmission rack, a guide support, a connecting rod, a connecting plate, a driving rack, a driving gear, a support shaft, a driving block and a volute spiral spring, wherein one end of the driving rack is arranged on the fixed plate, and the other end of the driving rack penetrates through a square groove on the collecting shell and is positioned at the lower side of the collecting shell; the supporting shaft is axially mounted on one side of the second mounting shell through two shafts, the driving gear is mounted on the supporting shaft, and the driving gear is meshed with the driving rack; the two shifting blocks are symmetrically arranged at two ends of the supporting shaft; two transmission gears are symmetrically arranged at two ends of the supporting shaft; one end of each of the two driving gears is provided with a circular groove, a driving block is arranged in each circular groove, and the driving blocks are matched with the shifting blocks; a volute spiral spring is respectively arranged between the supporting shaft and the two driving gears, the inner end of the volute spiral spring is arranged on the supporting shaft, and the outer end of the volute spiral spring is arranged on the inner circular surface of the circular groove corresponding to the driving gear; the two transmission racks are respectively installed on the second installation shell through a guide support, and the two transmission racks are respectively meshed with the two transmission gears in a one-to-one correspondence manner; the connecting plate is arranged at one end of the two transmission racks far away from the transmission gear, a plurality of uniformly distributed connecting rods are arranged on the upper side of the connecting plate, and the connecting rods penetrate through a first guide groove formed in the first mounting shell and are connected with the fixed rod; in the process of exerting force on the volute spiral spring, when the elasticity of the volute spiral spring is smaller than the resistance of the clamping groove formed in the first mounting shell to the limiting block, the volute spiral spring is in a force-exerting state, and when the elasticity of the volute spiral spring is larger than the resistance of the clamping groove formed in the first mounting shell to the limiting block, the limiting block is pushed by the clamping groove and moves into the limiting groove; in this state, the transmission gear rotates through the elastic force stored by the volute spiral spring, the transmission gear rotates to drive the transmission rack to move, the transmission rack moves to drive the fixed rod to move through the connecting plate and the connecting rod, and the fixed rod moves to drive the push plate to move towards the inner side of the second mounting shell; when the return spring arranged on the limiting block is damaged, the limiting block cannot be pushed back into the limiting groove by the clamping groove in time, the process that the fixed rod drives the push plate to move towards the inner side of the second mounting shell is lengthened, the volute spring has a space for exerting upward force, and the volute spring continues to exert upward force; if the stopper still can not be pushed back the spacing inslot by the draw-in groove when, after the driver block contacted with the shifting block of installing on supporting the axle, the stopper was forced to be pushed back the spacing inslot by the draw-in groove, and the rotation of back axle will directly rotate through driver block and shifting block drive gear, and then the direct drive dead lever drives the push pedal and removes.

As a further improvement of the technology, two clamping grooves are symmetrically formed in two side faces of one end of the first mounting shell, two limiting grooves are symmetrically formed in two ends of the fixed rod, and two fourth guide grooves are symmetrically formed in each limiting groove; one end of each limiting block is provided with an inclined plane, two third guide blocks are symmetrically arranged on two sides of each limiting block, and the two limiting blocks are respectively arranged in corresponding limiting grooves through the sliding fit of the corresponding two third guide blocks and a fourth guide groove formed in the fixed rod; the two limiting blocks are respectively matched with the two clamping grooves formed in the first mounting shell correspondingly; a return spring is respectively arranged between each limiting block and the corresponding limiting groove; the return spring has the effect of restoring to the stopper, and return spring has a resistance effect to the stopper under initial condition simultaneously for the push pedal has the resistance of removal, and volute spiral spring is done all can smoothly.

As a further improvement of the technology, the lower side of the fixing plate is provided with a water outlet notch which is convenient for water in the collecting shell to flow into the second mounting shell.

As a further improvement of the technology, the lower side of the second mounting shell, on which the water inlet is formed, is provided with a plurality of third guide grooves which are uniformly distributed, the fixed plate is uniformly provided with a plurality of first guide blocks, the fixed plate is mounted in the second mounting shell through the sliding fit of the first guide blocks and the third guide grooves, and the reset spring is mounted between the lower side surface of the first guide blocks and the lower side surface of the third guide grooves; the fixed plate is guided and limited by the matching of the first guide block and the third guide groove.

As a further improvement of the present technology, a folding baffle plate for protecting the return spring is installed between the lower side of the fixing plate and the second mounting case.

As a further improvement of the technology, one side of the second mounting shell, where the guide square groove is formed, is provided with a plurality of second guide grooves which are uniformly distributed, one side of the connecting strip is uniformly provided with a plurality of second guide blocks, and the connecting strip is mounted in the second mounting shell through the sliding fit of the second guide blocks and the second guide grooves; the connecting strip is guided by the matching of the second guide block and the second guide groove.

As a further improvement of the technology, the grid bars with different intervals can be selected according to the requirement for the intervals among the grid bars, so that particles with different sizes can be filtered; a plurality of the devices of the invention can be stacked one above the other with different heights having bars with different spacing. .

As a further improvement of the present technology, the return spring is a compression spring, and the return spring is a compression spring.

As a further improvement of the technology, the collecting shell is provided with a stop door convenient for cleaning and recycling through a lock mechanism.

As a further improvement of the present technology, the drive gear is fixedly mounted on the support shaft by welding.

Compared with the traditional sewage treatment technology, the sewage treatment device designed by the invention filters sewage with different degrees by selecting the grid bars with different intervals in the use process, and can intercept suspended matters and floating matters with different particle sizes by designing the intervals of the grid bars so as to reduce the treatment load of subsequent structures and ensure the normal operation of equipment; the sewage treatment device provided by the invention provides motive power for the sewage treatment device through filtered particles, so that the sewage treatment device realizes the beneficial effects of automatic filtration and quantitative cleaning of the particles; the user can filter the sewage layer by layer through the sewage treatment devices which are distributed up and down and have gradually decreased intervals of the grids in the equipment.

Drawings

Fig. 1 is an external view of an entire part.

Fig. 2 is a schematic view of the overall component distribution.

Fig. 3 is a schematic plan view of the mounting of the grid.

Fig. 4 is a schematic view of a grill installation.

Figure 5 is a schematic view of the drive rack installation.

Fig. 6 is a schematic view of the attachment of the connecting bar to the second mounting shell.

Figure 7 is a schematic view of a push plate installation.

Fig. 8 is a structural schematic view of the first mounting case.

Fig. 9 is a structural schematic view of a second mounting housing.

Fig. 10 is a schematic view of the structure of the collecting case.

Fig. 11 is a schematic view of the collection shell installation.

FIG. 12 is a schematic view of the push plate and the grid.

Fig. 13 is a schematic view of a grill installation.

Fig. 14 is a schematic view of the first guide block installation.

FIG. 15 is a schematic view of a drive rack installation.

Fig. 16 is a schematic view of stopper installation.

Fig. 17 is a schematic diagram of the matching of the shifting block and the driving block.

FIG. 18 is a schematic view of a wrap spring installation.

FIG. 19 is a schematic view of the operating principle of the spiral spring.

Number designation in the figures: 1. a first mounting case; 2. grid bars; 3. collecting the shells; 4. a transmission gear; 5. shifting blocks; 6. a drive rack; 7. a guide support; 8. a second mounting case; 9. pushing the plate; 10. a first guide block; 11. a limiting groove; 12. a return spring; 13. fixing the rod; 14. a connecting rod; 15. a connecting plate; 16. a drive rack; 17. a drive gear; 18. folding the baffle; 19. a return spring; 20. a limiting block; 21. a card slot; 22. a first guide groove; 23. a second guide groove; 24. a guide square groove; 25. a square outlet; 26. a water inlet; 27. a third guide groove; 28. avoiding the notch; 29. a separator plate; 30. a square opening; 31. a partition plate; 32. a fixing plate; 33. a water outlet gap; 34. a support shaft; 35. a second guide block; 36. a connecting strip; 37. connecting a square rod; 38. a fourth guide groove; 39. a bevel; 40. a third guide block; 41. a drive block; 42. a volute spiral spring; 43. a shaft support; 44. a drive mechanism; 45. a filtering mechanism; 46. and a collecting mechanism.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 and 2, it comprises a collecting mechanism 46 for collecting the filtered particles, a filtering mechanism 45 for filtering the particles, and a driving mechanism 44, wherein as shown in fig. 1, the collecting mechanism 46 is installed on one side of the filtering mechanism 45, and the driving mechanism 44 is installed on the collecting mechanism 46.

As shown in fig. 12, the filtering mechanism 45 includes a first mounting shell 1, grid bars 2, a second mounting shell 8, a push plate 9, a return spring 12, a fixing plate 32, a fixing rod 13, a guiding square groove 24, a square outlet 25, a water inlet 26, an avoiding notch 28, a connecting bar 36 and a connecting square rod 37, wherein as shown in fig. 9, one side of the second mounting shell 8 is provided with a plurality of guiding square grooves 24 which are internally and externally communicated and uniformly distributed at the front and back, and the guiding square grooves 24 are used for guiding the push plate 9, so that the guiding push plate 9 can smoothly enter between the grid bars 2 and push particles between the grid bars 2; the other side of the second mounting shell 8 is provided with a through square outlet 25 and a through water inlet 26, and the square outlet 25 is used for pushing out the particles pushed out by the push plate 9 through the square outlet 25 and sliding into the collecting shell 3; the water inlet 26 is used for enabling the water flowing into the collecting shell 3 through the square outlet 25 in the process of pushing the particles by the push plate 9 to flow back into the second mounting shell 8 through the water inlet 26 after being filtered by the isolation plate 29; the water inlet 26 is positioned at the lower side of the square outlet 25, and the lower side of the water inlet 26 is provided with an avoidance notch 28; the avoiding gap 28 has the function of avoiding the up-and-down sliding of the driving rack 16 and preventing the up-and-down movement of the driving rack 16 from interfering with the second mounting shell 8; as shown in fig. 14, the grid bars 2 are in a right triangle shape, and a plurality of grid bars 2 are uniformly mounted on the fixing plate 32 through one end of the wide surface thereof, which functions to better fix the grid bars 2 and increase the rigidity of the grid bars in the up-down direction; as shown in fig. 13, the other end of each grid 2 has a connecting square bar 37, and the connecting bars 36 are installed on the upper sides of all the connecting square bars 37; as shown in fig. 3 and 4, the plurality of grid bars 2 are installed in the first installation shell through the sliding fit of the connecting bars 36 and the fixing plates 32 with the second installation shell 8; the grid bars 2 are fixed by the connecting bars 36 and the fixing plates 32; as shown in fig. 4, a plurality of return springs 12 are uniformly distributed between the lower end surface of the fixing plate 32 and the mounting case; the return spring 12 is used for returning the grid 2; as shown in fig. 8, the lower side of the first mounting shell 1 is provided with a plurality of first guide grooves 22 which are uniformly distributed, and the first guide grooves 22 play a role in avoiding and guiding the connecting rod 14; as shown in fig. 1, the first mounting case 1 is mounted on one side of the second mounting case 8 where the guide square groove 24 is formed; as shown in fig. 7, a plurality of push plates 9 are uniformly distributed on one side of the fixing rod 13, the plurality of push plates 9 are mounted on the inner side of the first mounting shell 1 through the fixing rod 13, the width of the push plates 9 is smaller than the distance between the grid bars 2, and the function of the push plates 9 is that in the process that the push plates 9 push the particles on the grid bars 2, sewage can continuously flow downwards through the gaps between the push plates 9 and the grid bars 2; as shown in fig. 5, one end of the push plate 9, which is far away from the fixing rod 13, passes through a guiding square groove 24 formed in the second mounting shell 8, and in a normal state, one end of the push plate 9, which passes through the guiding square groove 24 in the second mounting shell 8, is flush with the inner side surface of the second mounting shell 8; as shown in fig. 9, both ends of the fixing rod 13 are provided with a limiting block 20 which can freely extend and retract and automatically reset to limit the fixing rod 13 through the second mounting shell 8; the limiting block 20 is used for limiting the fixed rod 13 in an initial state, when the grid bar 2 pushes the fixed rod to move downwards under the action of gravity of the particulate matter, the grid bar 2 can drive the driving rack 16 mounted on the fixed plate 32 to move downwards through the fixed plate 32, the driving rack 16 moves downwards to drive the driving gear 17 meshed with the driving gear to rotate, the driving gear 17 rotates to drive the supporting shaft 34 to rotate, and the fixed rod 13 is in a static state under the action of the limiting block 20, so the driving rack 6 connected with the fixed rod 13 is also in a static state, namely the transmission gear 4 is also in a static state, and in the state, the supporting shaft 34 rotates to extrude the volute spiral spring 42 to force the volute spiral spring 42.

As shown in fig. 10, the collecting mechanism 46 comprises a collecting shell 3, a partition 29, a square opening 30 and a partition 31, wherein as shown in fig. 11, the collecting shell 3 is mounted on the side of the second mounting shell 8 far away from the end of the first mounting shell 1; the lower side of the second mounting shell 8 is provided with a square opening 30 which is communicated with the inside and the outside; the square opening 30 serves to provide space for the drive rack 16 to move; the isolation plate 29 is provided with a circular water leakage hole, and the isolation plate 29 is arranged in the collection shell 3 to divide the second installation shell 8 into two layers up and down; the function of the partition plate 29 is to make the push plate 9 flow into the particles in the collecting shell 3 through the square outlet 25 in the process of pushing the particles, and accompany with the sewage, and the partition plate can make the sewage flow into the second mounting shell 8 through the water inlet 26 again; two partition plates 31 for preventing the water leakage of the collecting case 3 are symmetrically installed at both sides of the square opening 30; as shown in fig. 4, the second mounting shell 8 is divided into two layers by the partition 29, wherein the upper layer is aligned and matched with the square outlet 25 on the second mounting shell 8, and the lower layer is aligned and matched with the water inlet 26 on the second mounting shell 8.

As shown in fig. 12, the driving mechanism 44 comprises a transmission gear 4, a shifting block 5, a transmission rack 6, a guide support 7, a connecting rod 14, a connecting plate 15, a driving rack 16, a driving gear 17, a supporting shaft 34, a driving block 41 and a volute spiral spring 42, wherein one end of the driving rack 16 is mounted on the fixing plate 32, and the other end of the driving rack 16 passes through a square groove on the collecting shell 3 and is positioned at the lower side of the collecting shell 3 as shown in fig. 5; as shown in fig. 12, a support shaft 34 is mounted on one side of the second mounting case 8 through two shaft supports 43, a drive gear 17 is mounted on the support shaft 34, and the drive gear 17 is engaged with the drive rack 16; two shifting blocks 5 are symmetrically arranged at two ends of the supporting shaft 34; two transmission gears 4 are symmetrically installed at both ends of the supporting shaft 34; one end of the two driving gears 17 has a circular groove, as shown in fig. 17, a driving block 41 is installed in each circular groove, as shown in fig. 18, a spiral spring 42 is installed between the supporting shaft 34 and the two driving gears 17, and the inner end of the spiral spring 42 is installed on the supporting shaft 34, and the outer end of the spiral spring 42 is installed on the inner circular surface of the circular groove corresponding to the transmission gear 4; the two transmission racks 6 are respectively installed on the second installation shell 8 through a guide support 7, and the two transmission racks 6 are respectively meshed with the two transmission gears 4 in a one-to-one correspondence manner; as shown in fig. 12, a connecting plate 15 is installed at one end of the two transmission racks 6 far away from the transmission gear 4, a plurality of uniformly distributed connecting rods 14 are installed at the upper side of the connecting plate 15, and the connecting rods 14 pass through a first guide groove 22 opened on the first installation shell 1 and are connected with the fixing rod 13; in the process of applying force to the spiral spring 42, as shown in fig. 19, when the elastic force of the spiral spring 42 is smaller than the resistance of the slot 21 formed in the first mounting shell 1 to the stopper 20, as shown in a in fig. 1, the spiral spring 42 is in an upward force state, and when the elastic force of the spiral spring 42 is larger than the resistance of the slot 21 formed in the first mounting shell 1 to the stopper 20, the stopper 20 is pushed by the slot 21 and moves into the stopper groove 11; in this state, the transmission gear 4 rotates by the elastic force stored by the volute spiral spring 42, the transmission gear 4 rotates to drive the transmission rack 6 to move, the transmission rack 6 moves to drive the fixing rod 13 to move through the connecting plate 15 and the connecting rod 14, and the fixing rod 13 moves to drive the push plate 9 to move towards the inner side of the second mounting shell 8; as shown in b in fig. 19, when the return spring 19 mounted on the stopper 20 is damaged, the stopper 20 cannot be pushed back into the stopper groove 11 by the engaging groove 21 in time, the process that the fixed rod 13 drives the push plate 9 to move towards the inner side of the second mounting case 8 is lengthened, the spiral spring 42 still has a space for exerting upward force, and the spiral spring 42 continues to exert upward force; as shown in c in fig. 19, if the limiting block 20 cannot be pushed back into the limiting groove 11 by the engaging groove 21, after the driving block 41 contacts with the shifting block 5 mounted on the supporting shaft 34, the limiting block 20 is forced to be pushed back into the limiting groove 46 by the engaging groove 21, the rotation of the supporting shaft 34 directly drives the transmission gear 4 to rotate through the driving block 41 and the shifting block 5, and further directly drives the fixing rod 13 to drive the pushing plate 9 to move.

In summary, the following steps:

the beneficial effects of the design of the invention are as follows: in the using process of the sewage treatment device, the grid bars 2 with different intervals are selected to filter sewage with different degrees, and suspended matters and floating matters with different grain diameters can be intercepted by designing the intervals of the grid bars 2, so that the treatment load of subsequent structures is reduced, and the normal operation of equipment is ensured; the sewage treatment device provided by the invention provides motive power for the sewage treatment device through the filtered particles, so that the beneficial effect of automatically and quantitatively cleaning the particles is realized; the user can filter the sewage layer by layer through the sewage treatment device which is distributed up and down and the distance between the grid bars 2 in the equipment is decreased progressively.

As shown in fig. 8, two clamping grooves 21 are symmetrically formed on two side surfaces of one end of the first mounting shell 1, as shown in fig. 16, two limiting grooves 11 are symmetrically formed on two ends of the fixing rod 13, and two fourth guide grooves 38 are symmetrically formed in each limiting groove 11; one end of the limiting block 20 is provided with an inclined plane 39, two third guide blocks 40 are symmetrically arranged on two sides of the limiting block 20, and the two limiting blocks 20 are respectively arranged in the corresponding limiting grooves 11 through the sliding fit of the corresponding two third guide blocks 40 and the fourth guide groove 38 formed in the fixed rod 13; the two limiting blocks 20 are respectively matched with two clamping grooves 21 formed in the first mounting shell 1 correspondingly; a return spring 19 is respectively arranged between each limiting block 20 and the corresponding limiting groove 11; the return spring 19 has a restoring effect on the limiting block 20, and simultaneously the return spring 19 has a resistance effect on the limiting block 20 in an initial state, so that the push plate 9 has a moving resistance, and the volute spiral spring 42 smoothly exerts force.

As shown in fig. 11, the fixing plate 32 has a water outlet opening 33 formed at a lower side thereof for allowing water in the collecting case 3 to flow into the second mounting case 8.

As shown in fig. 9, the lower side of the second mounting case 8 on the side of the water inlet 26 is provided with a plurality of third guide grooves 27 which are uniformly distributed, as shown in fig. 14, a plurality of first guide blocks 10 are uniformly mounted on the fixing plate 32, as shown in fig. 4, the fixing plate 32 is mounted in the second mounting case 8 by the sliding fit of the first guide blocks 10 and the third guide grooves 27, and the return spring 12 is mounted between the lower side of the first guide blocks 10 and the lower side of the third guide grooves 27; the fixing plate 32 is guided and limited by the matching of the first guide block 10 and the third guide groove 27.

As shown in fig. 6, a folding flap 18 for protecting the return spring 12 is installed between the lower side of the fixing plate 32 and the second mounting case 8.

As shown in fig. 6, the second mounting case 8 is provided with a plurality of second guide grooves 23 uniformly distributed on one side thereof provided with the guide square groove 24, a plurality of second guide blocks 35 are uniformly mounted on one side of the connecting bar 36, and the connecting bar 36 is mounted in the second mounting case 8 by the sliding fit of the second guide blocks 35 and the second guide grooves 23; the connecting bar 36 is guided by the cooperation of the second guide block 35 and the second guide groove 23.

The grid bars 2 with different intervals can be selected for use according to the requirements at the intervals between the grid bars 2, and particulate matters with different sizes are filtered. A plurality of the devices of the invention can be stacked one above the other with different heights having different spacing of the curved bars.

The return spring 12 is a compression spring, and the return spring 19 is a compression spring.

The above-mentioned shutter that is convenient for clear up the recovery is installed through the latch mechanism on collecting shell 3.

The drive gear 17 is fixedly mounted on the support shaft 34 by welding.

The specific working process is as follows: when the sewage treatment device designed by the invention is used, the sewage treatment device is placed at a place needing to be placed; when sewage passes through the sewage treatment device, particles in the sewage are isolated and clamped on the grid bars 2 by the grid bars 2, and the gradually increased particles clamped on the grid bars 2 push the grid bars 2 to move downwards under the action of gravity; the grid bar 2 moves downwards, the fixed plate 32 drives the driving rack bar 16 arranged on the fixed plate 32 to move downwards, the driving rack bar 16 moves downwards, the driving gear 17 meshed with the driving rack bar is driven to rotate, the driving gear 17 rotates to drive the supporting shaft 34 to rotate, and the fixed rod 13 is in a static state under the action of the limiting block 20, so that the driving rack bar 6 connected with the fixed rod 13 is also in a static state, namely the transmission gear 4 is also in a static state, and in the state, the supporting shaft 34 rotates to extrude the scroll spring 42 to enable the scroll spring 42 to exert an upward force; when the elastic force of the volute spiral spring 42 is greater than the resistance of the slot 21 formed on the first mounting shell 1 to the limiting block 20, the limiting block 20 is pushed by the slot 21 and moves into the limiting groove 11; in this state, the transmission gear 4 rotates by the elastic force stored by the volute spiral spring 42, the transmission gear 4 rotates to drive the transmission rack 6 to move, the transmission rack 6 moves to drive the fixing rod 13 to move through the connecting plate 15 and the connecting rod 14, and the fixing rod 13 moves to drive the push plate 9 to move towards the inner side of the second mounting shell 8; in the process that the fixed plate 32 moves downwards, when the push plate 9 moves towards the inner side of the second mounting shell 8, the fixed plate 32 also moves to be matched with the square outlet 25 formed in the second mounting shell 8, and the push plate 9 pushes the particles on the grid bars 2, so that the particles slide into the collecting shell 3 through the square outlet 25; after the particles are pushed away, under the action of the return spring 12, the fixed plate 32 drives the grid 2 to move upwards, the fixed plate 32 moves to drive the transmission gear 4 to rotate through the driving rack 16, the driving gear 17, the supporting shaft 34 and the volute spiral spring 42, the transmission gear 4 drives the fixed rod 13 to move through the transmission rack 6, the connecting plate 15 and the connecting rod 14, and the fixed rod 13 moves to drive the push plate 9 to recover to the original state.

Claims

1. The utility model provides a device for handle sewage which characterized in that: the device comprises a collecting mechanism for collecting filtered particles, a filtering mechanism for filtering the particles and a driving mechanism, wherein the collecting mechanism is arranged on one side of the filtering mechanism, and the driving mechanism is arranged on the collecting mechanism;

the filtering mechanism comprises a first mounting shell, a grid bar, a second mounting shell, a push plate, a reset spring, a fixing plate, a fixing rod, a guide square groove, a square outlet, a water inlet, an avoiding notch, a connecting strip and a connecting square rod, wherein one side of the second mounting shell is provided with a plurality of guide square grooves which are communicated with the inside and the outside and are uniformly distributed at the front and the back, the other side of the second mounting shell is provided with the communicated square outlet and the water inlet, the water inlet is positioned at the lower side of the square outlet, and the lower side of the water inlet is provided with the avoiding notch; the grid bars are in a straight triangle shape, a plurality of grid bars are uniformly arranged on the fixing plate through one end of the wide surface of each grid bar, the other end of each grid bar is provided with a connecting square rod, and the connecting bars are arranged on the upper sides of all the connecting square rods; the grid bars are arranged in the mounting shell in a sliding fit manner with the second mounting shell through the connecting bars and the fixing plates; a plurality of reset springs which are uniformly distributed are arranged between the lower end surface of the fixed plate and the first mounting shell; the lower side of the first mounting shell is provided with a plurality of first guide grooves which are uniformly distributed, and the first mounting shell is mounted on one side of the second mounting shell, which is provided with the guide square groove; a plurality of push plates which are uniformly distributed are arranged on one side of the fixed rod, the width of each push plate is smaller than the distance between the grid bars, the push plates are arranged on the inner side of the first mounting shell through the fixed rod, one ends, far away from the fixed rod, of the push plates penetrate through the guide square grooves formed in the second mounting shell, and in a normal state, one ends, penetrating through the guide square grooves in the second mounting shell, of the push plates are flush with the inner side surface of the second mounting shell; both ends of the fixed rod are provided with a limiting block which can freely stretch and retract and automatically reset, and the fixed rod is limited by the second mounting shell;

the collecting mechanism comprises a collecting shell, a partition plate, a square opening and a partition plate, wherein the collecting shell is arranged on the side surface of the second mounting shell far away from the first mounting shell; the lower side of the second mounting shell is provided with a square opening which is communicated with the inside and the outside; the isolating plate is provided with a circular water leakage hole and is arranged in the collecting shell to divide the second mounting shell into an upper layer and a lower layer; two partitions for preventing the water leakage of the collecting shell are symmetrically arranged on two sides of the square opening; the second mounting shell is divided into two layers by the partition board, wherein the upper layer is in aligned matched connection with the square outlet on the second mounting shell, and the lower layer is in aligned matched connection with the water inlet on the second mounting shell;

the driving mechanism comprises a transmission gear, a shifting block, a transmission rack, a guide support, a connecting rod, a connecting plate, a driving rack, a driving gear, a support shaft, a driving block and a volute spiral spring, wherein one end of the driving rack is arranged on the fixed plate, and the other end of the driving rack penetrates through a square groove on the collecting shell and is positioned at the lower side of the collecting shell; the supporting shaft is axially mounted on one side of the second mounting shell through two shafts, the driving gear is mounted on the supporting shaft, and the driving gear is meshed with the driving rack; the two shifting blocks are symmetrically arranged at two ends of the supporting shaft; two transmission gears are symmetrically arranged at two ends of the supporting shaft; one end of each of the two driving gears is provided with a circular groove, a driving block is arranged in each circular groove, and the driving blocks are matched with the shifting blocks; a volute spiral spring is respectively arranged between the supporting shaft and the two driving gears, the inner end of the volute spiral spring is arranged on the supporting shaft, and the outer end of the volute spiral spring is arranged on the inner circular surface of the circular groove corresponding to the driving gear; the two transmission racks are respectively installed on the second installation shell through a guide support, and the two transmission racks are respectively meshed with the two transmission gears in a one-to-one correspondence manner; the connecting plate is arranged at one end of the two transmission racks far away from the transmission gear, a plurality of uniformly distributed connecting rods are arranged on the upper side of the connecting plate, and the connecting rods penetrate through a first guide groove formed in the first mounting shell and are connected with the fixed rod;

a folding baffle plate for protecting the return spring is arranged between the lower side of the fixed plate and the second mounting shell;

a plurality of second guide grooves which are uniformly distributed are formed in one side, provided with the guide square groove, of the second mounting shell, a plurality of second guide blocks are uniformly arranged on one side of the connecting strip, and the connecting strip is mounted in the second mounting shell through the sliding fit of the second guide blocks and the second guide grooves;

the distance between the grid bars can be different according to the requirement, and particulate matters with different sizes are filtered;

the collecting shell is provided with a stop door convenient for cleaning and recycling through a lock mechanism;

the driving gear is fixedly arranged on the supporting shaft in a welding mode.

2. An apparatus for treating wastewater according to claim 1, wherein: two clamping grooves are symmetrically formed in two side faces of one end of the first mounting shell, two limiting grooves are symmetrically formed in two ends of the fixed rod, and two fourth guide grooves are symmetrically formed in each limiting groove; one end of each limiting block is provided with an inclined plane, two third guide blocks are symmetrically arranged on two sides of each limiting block, and the two limiting blocks are respectively arranged in corresponding limiting grooves through the sliding fit of the corresponding two third guide blocks and a fourth guide groove formed in the fixed rod; the two limiting blocks are respectively matched with the two clamping grooves formed in the first mounting shell correspondingly; and a return spring is respectively arranged between each limiting block and the corresponding limiting groove.

3. An apparatus for treating wastewater according to claim 1, wherein: the lower side of the fixing plate is provided with a water outlet notch which is convenient for collecting water in the shell to flow into the second mounting shell.

4. An apparatus for treating wastewater according to claim 1, wherein: the lower side of the water inlet side of the second installation shell is provided with a plurality of uniformly distributed third guide grooves, the fixed plate is uniformly provided with a plurality of first guide blocks, the fixed plate is installed in the second installation shell through the sliding fit of the first guide blocks and the third guide grooves, and the reset spring is installed between the lower side face of the first guide block and the lower side face of the third guide groove.

5. An apparatus for treating wastewater according to claim 3 and further comprising: the return spring is a compression spring.