CN210827758U - Launching device - Google Patents

Abstract

The utility model belongs to the technical field of drainage device, in particular to a drainage device, which comprises a drainage cover, an inner core, a filter cartridge, an adjusting mechanism, an isolation odor-proof plate and a drainage frame, wherein in the using process of the drainage device, when some fine impurities flow into the filter cartridge through the drainage cover, the impurities filtered by the filter cartridge and remained in the filter cartridge can block a filtering folding cylinder arranged at the lower side of the filter cartridge after long-time accumulation, and the sewage can not be discharged smoothly, under the state, the filtering folding cylinder arranged at the lower end of the filter cartridge for collecting the impurities is compressed and elongated through the transmission of a first rack and a second rack, so that the filtering holes on the filtering folding cylinder are opened again, and the sewage is discharged smoothly, meanwhile, the utility model discloses an isolation odor-proof plate plays an isolation role in the air at the upper sides of the filter cartridge and the drainage cover, and prevents the impurities in the filter cartridge from rotting and smelling, the odor is diffused into the air on the upper side of the sewage cover, and the air around the sewage device is polluted.

Description

Launching device

Technical Field

The utility model belongs to the technical field of the downcomer device, especially, relate to a downcomer device.

Background

The drainage device is an important interface for connecting a drainage pipeline system and a ground drainage port, is used as an important part of the drainage system, has the performance which directly influences the quality of air around the drainage port and is very important for controlling the peculiar smell of the drainage port; the sewage device is provided with a filter screen plate and a deodorization mechanism arranged at the connecting part of the sewage device and the drain pipe, so that sundries and the like can be prevented from flowing into the pipeline along with water through the filter screen to block the pipeline, and the odor emitted by sewage in the sewage pipe due to long-time accumulation and incapability of circulating in time can be prevented through the deodorization mechanism; but in actual use, the impurity and dirt filtered by the filter screen and the indoor space can not prevent odor; then, after the filter screen accumulation too much filth impurity, firstly sewage can not normally discharge, secondly need clear up immediately or the stink will appear, so often the clearance time is very short in the use, uses troublesome. Therefore, it is necessary to design a drainage device which separates the impurities and filth filtered by the filtering net from the indoor space and has a long cleaning time. The utility model relates to a launching device solves the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned defects in the prior art, the utility model discloses a launching device, which is realized by adopting the following technical scheme.

A launching device is characterized in that: the device comprises a drainage cover, an inner core, a filter cartridge, an adjusting mechanism, an isolation and odor-proof plate and a drainage frame, wherein a frame hole for installing the drainage frame is drilled in advance at a place at an inlet of the drainage pipe; the lower water frame is arranged in the frame hole, and the outlet of the lower water frame is connected with the inlet of the lower water pipe; the launching frame can be fixed in the frame hole through cement; the lower water cover, the inner core, the filter cartridge, the adjusting mechanism and the isolation odor-proof plate are arranged on the lower water frame.

The lower water frame is provided with a square mounting groove and an annular mounting groove, and the annular mounting groove is positioned at the lower side of the square mounting groove; the outer circular surface of the lower end of the inner core is provided with water outlets which are uniformly distributed in the circumferential direction, the upper end of the inner core is provided with a second support ring, and the inner core is arranged on the lower water frame through the matching of the second support ring and an annular mounting groove arranged on the lower water frame; when the inner core is installed, preferably, the second support ring installed on the inner core is fixed on the lower water frame through screws; the upper end of the sealing ring is provided with a third supporting ring, the sealing ring is arranged on the inner side of the inner core through the matching of the third supporting ring and a second supporting ring arranged on the inner core, a gap is formed between the outer circular surface of the sealing ring and the inner circular surface of the inner core, and the lower end surface of the sealing ring is positioned on the lower side of the lower end surface of a water outlet formed in the inner core; when the sealing ring is installed, preferably, the third support ring installed on the sealing ring is fixed on the second support ring installed on the inner core through screws; a water seal mechanism which has a sealing effect on the space between the sewer pipe and the inner side of the inner core is formed by matching the sealing ring and the inner core; the water seal mechanism has the same working principle as that of a water seal used in the traditional water seal type drainage device; two guide bars are uniformly arranged on the inner circumferential surface of the sealing ring in the circumferential direction.

The lower end of the filter cylinder is provided with a filtering folding cylinder, and the outer circular surface of the filtering folding cylinder is uniformly provided with a plurality of filtering holes in the circumferential direction; the filtering holes are positioned on the folding surface of the filtering folding cylinder, and the filtering holes are used for exposing the filtering holes on the filtering folding cylinder when the filtering folding cylinder is elongated after impurities in the filtering cylinder are compressed and the folding surface of the filtering folding cylinder is opened; the lower end of the filtering folding cylinder is provided with a filtering bottom plate, two groups of guide blocks are uniformly arranged on the outer circumferential surface of the filtering bottom plate in the circumferential direction, and two guide blocks in the same group form a guide channel; the two guide channels are in sliding fit with the two guide strips arranged on the sealing ring to guide the filtering bottom plate; the upper end of the filter cylinder is provided with a first support ring, the filter cylinder is arranged on the inner side of the sealing ring through the matching of the first support ring and a third support ring arranged on the sealing ring, and two guide channels consisting of two groups of guide blocks and arranged on the filter bottom plate are matched with two guide bars arranged on the inner circular surface of the sealing ring; when the filter cartridge is mounted, preferably, the first support ring mounted on the filter cartridge is fixed to the third support ring mounted on the seal ring by screws.

The upper side of the first support ring arranged on the filter cylinder is provided with a guide ring which plays a role in guiding the sewage flowing in after being filtered by the lower water cover so that the sewage flowing in flows into the filter cylinder; the isolation deodorization plate is arranged on the lower side of the flow guide ring; keep apart the air that anti-odor board played filter cartridge and lower water cover upper side and keep apart the effect, prevent that the impurity in the filter cartridge from rotting smelly back, in spreading the air of lower water cover upper side with the foul smell, cause the pollution to the air around the downcomer.

The filter screen is arranged on the lower water cover, sewage flowing in through the lower water cover is filtered, impurities in the sewage are prevented from being brought into the lower water pipe by the sewage to block the lower water pipe, and the lower water cover is arranged in a square mounting groove formed in a lower water frame.

The adjusting mechanism consists of a first rack, a second rack and a transmission gear, the first rack is arranged on the lower water cover in a sliding fit mode, and the first rack controls the folding of the filtering folding cylinder through the transmission of the second rack and the transmission gear.

As a further improvement of the present technology, a third limiting groove is formed on the upper side surface of the second supporting ring; a fourth limiting block is arranged at the lower end of the third support ring, and the fourth limiting block arranged on the third support ring is matched with a third limiting groove formed in the second support ring; the sealing ring is positioned by the cooperation of the fourth limiting block and the third limiting groove, and the mounting position of the sealing ring can be fixed according to the positions of the third limiting groove and the fourth limiting block when the sealing ring is mounted.

As a further improvement of the technology, a first limit groove is formed on the end surface of the square mounting groove on the lower water frame, a first limit block is mounted on the lower side of the lower water cover, and the first limit block is matched with the first limit groove; the first limiting block is matched with the first limiting groove to play a role in positioning the drainage cover, and the installation position of the drainage cover can be fixed according to the positions of the first limiting groove and the first limiting block when the drainage cover is installed.

As a further improvement of the technology, the upper side surface of the diversion ring is provided with a diversion inclined surface, and the diversion inclined surface can ensure that sewage flowing in after being filtered by the drainage cover can smoothly flow into the filter cylinder.

As a further improvement of the technology, a second limiting block is mounted at the lower end of the flow guide ring, a second limiting groove is formed in the upper end face of the first support ring, and the second limiting groove is matched with the second limiting block; the guide ring is positioned by the cooperation of the second limiting block and the second limiting groove, and the installation position of the guide ring can be fixed according to the positions of the second limiting groove and the second limiting block when the guide ring is installed.

As a further improvement of the technology, a third limiting block is installed on the lower side of the first support ring, a fourth limiting groove is formed in the upper side surface of the third support ring, and the fourth limiting groove is matched with the third limiting block; the filter cartridge is positioned by the cooperation of the third limiting block and the fourth limiting groove, and the mounting position of the filter cartridge can be fixed according to the positions of the fourth limiting groove and the third limiting block when the filter cartridge is mounted.

As a further improvement of the present technology, the inclination angle of the diversion inclined plane is preferably 15 degrees; ensure that the sewage flowing in through the drainage cover is smoothly flushed into the folding cylinder of the filter cylinder.

As a further improvement of the technology, the isolation deodorization plate comprises a mounting plate, a baffle plate and a leaf spring, wherein the mounting plate is fixedly mounted at the lower side of the flow guide ring, the baffle plate is mounted on the mounting plate in a hinged manner, and the leaf spring is mounted between the mounting plate and the baffle plate; the technical means adopted by the isolation and odor-proof plate for isolating the air on the upper sides of the filter cartridge and the lower water cover is the traditional swing type seal, the baffle can be driven to swing by the water flowing in through the lower water cover under the action of impact force and gravity, the baffle swings to enable the flowing water to enter the filter cartridge, and meanwhile, when the baffle is not used at ordinary times, the baffle is tightly attached to the lower side surface of the flow guide ring, so that the isolation and odor-proof plate has an isolation effect on the air on the upper sides of the filter cartridge and the lower water cover; the leaf spring provides the resilience that resumes for the baffle, can make baffle and the downside of water conservancy diversion ring closely laminate through the elasticity of leaf spring when not using at ordinary times simultaneously.

As a further improvement of the technology, the adjusting mechanism comprises a return spring, a first rack, a second rack, a transmission gear, a gear support, a spring fixing plate and a gear shaft, wherein the gear shaft is arranged on the inner side of the inner core through the gear support, the transmission gear is arranged on the gear shaft, the first rack is arranged on the lower side of the filtering bottom plate, and the first rack is meshed with the transmission gear; a spring fixing plate is arranged on the second rack, the upper end of the second rack is arranged on the lower water cover through a square hole formed in the filter screen, and the lower end of the second rack passes through a circular hole formed in the mounting plate and an avoiding square hole formed in the filter bottom plate and is positioned on the lower side of the filter bottom plate; the second rack is meshed with the transmission gear; a return spring is arranged between the upper end surface of the spring fixing plate and the lower end surface of the filter screen and penetrates through a circular hole formed in the mounting plate; when more impurities are accumulated in the filter cartridge, the impurities in the filter cartridge can block the filter holes on the filter bottom plate and the filter folding cylinder, so that sewage is gathered in the filter cartridge, the gravity of the filter cartridge is increased, the filter folding cylinder can be stretched after the filter cartridge becomes heavy, the filter bottom plate moves downwards relative to the transmission gear, the first rack is driven to move downwards by the downward movement of the filter bottom plate, the transmission gear is driven to rotate by the downward movement of the first rack, the second rack is driven to move upwards by the rotation of the transmission gear, people can realize that more impurities are accumulated in the filter cartridge when finding that the upper end of the second rack moves out of the upper side of the drain cover, in this state, people can drive the second rack to move downwards by the strip-shaped tool, the second rack moves downwards to drive the transmission gear to rotate, the return spring is stretched at the same time, the transmission gear rotates to drive the first, the first rack moves upwards to drive the filtering bottom plate to move upwards, the filtering bottom plate moves upwards to compress the filtering folding cylinder, so that the filtering folding cylinder contracts, and impurities in the filtering cylinder are extruded; make the second rack driven to the extreme condition that can move down as far as possible when people's downwardly driven second rack, so the second rack can appear being less than the circumstances of lower water cover, so need use the bar instrument to go to press down the second rack, can guarantee like this that filter folding cylinder can obtain the maximum compression, when the second rack removes the bottom, stop driving the second rack, the second rack will upwards move under reset spring's effect, first rack removes down, filter the bottom plate and downwards move, filter folding cylinder and pull open by filtering the bottom plate, in-process that filtering folding cylinder was pulled open, originally will filter the stifled dead impurity of filtration pore blocking who opens on the folding cylinder because compressed volume diminishes, the filtration pore that was originally blocked up by impurity will expose, sewage just can continue to flow through filtering the pore.

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

Compared with the traditional launching device technology, the launching device designed by the utility model can be filtered by the filtering holes and the filtering bottom plate which are arranged on the filtering folding cylinder when some fine impurities flow into the filtering cylinder through the launching cover in the using process, so that the impurities are prevented from flowing into the launching pipe; after long-time use, the impurities filtered by the filter cylinder and remained in the filter cylinder are increased, when the impurities in the filter cylinder block the filter holes on the filter bottom plate and the filter folding cylinder, the inflowing sewage is gathered in the filter cylinder, the gravity of the filter cylinder is increased, when the filter cylinder becomes heavy, the filter folding cylinder is stretched, the filter bottom plate moves downwards, the second rack can be triggered by the downward movement of the filter bottom plate, the second rack moves out of the upper side of the sewer cover, when people find that the second rack moves downwards, the filter folding cylinder compresses upwards, the impurities in the filter cylinder are compressed by the compression of the filter folding cylinder, then the second rack is stopped to be driven, under the action of the reset spring, the first rack moves downwards to elongate the filter folding cylinder, the filter holes originally blocked by the impurities on the filter folding cylinder are partially exposed due to the extrusion movement of the impurities in the folding process, meanwhile, the filtering holes are partially exposed due to the extrusion movement of impurity and dirt in the folding process, so that sewage can continuously flow out through the filtering holes of the leaking holes, the situation that the filtering holes in the filtering folding cylinder arranged on the lower side of the filtering cylinder are blocked by the impurities remained on the wall of the filtering cylinder to influence the discharge of the sewage is prevented, and meanwhile, the folding cylinder can filter more impurities through folding, so that the cleaning interval time is prolonged; simultaneously the utility model discloses a launching device installs between lower water cover and cartridge filter and keeps apart the deodorant board, and cover the air of side and play the isolation to the cartridge filter and lower water through keeping apart the deodorant board, prevent that the impurity in the cartridge filter from spreading the foul smell in the air of launching cover upper side, causes the pollution to the air around the launching device in rotten smelly back.

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 view of the internal structural distribution of the whole component.

Fig. 4 is a schematic view of the internal structure installation of the integral component.

Fig. 5 is a schematic view of the return spring installation.

Fig. 6 is a schematic view of the structure of the launching rim.

Fig. 7 is a schematic view of the structure of the lower drain cover.

Figure 8 is a schematic view of the installation of the barrier deodorizer panel.

Fig. 9 is a schematic diagram of an isolation odor-preventing plate structure.

Fig. 10 is a schematic view of a filter cartridge construction.

Fig. 11 is a schematic view of a filter bed construction.

Fig. 12 is a schematic view of the core construction.

Fig. 13 is a schematic view of a second rack profile.

FIG. 14 is a schematic view of a seal ring structure.

Fig. 15 is a schematic view of the bar installation.

Fig. 16 is a schematic view of the first rack mounting.

Fig. 17 is a schematic view of the first and second racks mating.

Fig. 18 is a schematic diagram of a filter pore distribution.

Number designation in the figures: 1. a drain cover; 2. a launching frame; 3. an inner core; 4. a filter cartridge; 5. an adjustment mechanism; 6. a seal ring; 7. a flow guide ring; 8. a return spring; 9. a square mounting groove; 10. an annular mounting groove; 11. a first limit groove; 12. a first stopper; 13. a square hole; 14. a filter screen; 15. mounting a plate; 16. a baffle plate; 17. a leaf spring; 18. a third support ring; 19. a diversion bevel; 20. a second limiting block; 21. a circular hole; 22. a second limit groove; 23. a first support ring; 24. a filter folding cartridge; 25. a filtration pore; 26. a filter base plate; 27. an isolation and odor-proof plate; 28. a third limiting block; 29. avoiding square holes; 30. a first rack; 31. a guide block; 32. a third limiting groove; 33. a second support ring; 34. a water outlet; 35. a second rack; 36. a fourth limiting block; 37. a fourth limit groove; 38. conducting bars; 39. a transmission gear; 40. a gear support; 41. a spring fixing plate; 42. a gear shaft.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples or figures are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 and 2, the device comprises a sewer cover 1, an inner core 3, a filter cartridge 4, an adjusting mechanism 5, an isolation and odor-proof plate 27 and a sewer frame 2, wherein frame holes for installing the sewer frame 2 are drilled in advance at a position at an inlet of a sewer pipe; the lower water frame 2 is arranged in the frame hole, and the outlet of the lower water frame 2 is connected with the inlet of the lower water pipe; the launching frame 2 can be fixed in the frame hole through cement; as shown in fig. 3 and 4, the drain cover 1, the inner core 3, the filter cartridge 4, the adjusting mechanism 5, and the odor isolation plate 27 are installed on the drain bezel 2.

As shown in fig. 6, the lower water frame 2 has a square mounting groove 9 and an annular mounting groove 10, and the annular mounting groove 10 is located at the lower side of the square mounting groove 9; as shown in fig. 12, the outer circumferential surface of the lower end of the inner core 3 is provided with water outlets 34 uniformly distributed in the circumferential direction, the upper end of the inner core 3 is provided with a second support ring 33, and as shown in fig. 4 and 5, the inner core 3 is mounted on the lower water frame 2 by the cooperation of the second support ring 33 and the annular mounting groove 10 provided on the lower water frame 2; when the inner core 3 is installed, the second support ring 33 installed on the inner core 3 is preferably fixed to the lower water frame 2 by screws; as shown in fig. 14 and 15, a third support ring 18 is mounted at the upper end of the seal ring 6, as shown in fig. 4 and 5, the seal ring 6 is mounted inside the inner core 3 by the cooperation of the third support ring 18 and a second support ring 33 mounted on the inner core 3, a gap is provided between the outer circular surface of the seal ring 6 and the inner circular surface of the inner core 3, and the lower end surface of the seal ring 6 is located at the lower side of the lower end surface of a water outlet 34 opened on the inner core 3; in installing the sealing ring 6, preferably, the third support ring 18 installed on the sealing ring 6 is fixed to the second support ring 33 installed on the core 3 by screws; a water seal mechanism which has a sealing function on the space between the sewer pipe and the inner side of the inner core 3 is formed by matching the sealing ring 6 and the inner core 3; the water seal mechanism has the same working principle as that of a water seal used in the traditional water seal type drainage device; as shown in fig. 15, two guide bars 38 are circumferentially and uniformly mounted on the inner circumferential surface of the seal ring 6.

As shown in fig. 10, a filter folding cylinder 24 is mounted at the lower end of the filter cartridge 4, and as shown in fig. 10 and 18, a plurality of filter holes 25 are uniformly formed in the circumferential direction on the outer circumferential surface of the filter folding cylinder 24; the filtering holes 25 are positioned on the folding surfaces of the filtering folding cylinder 24, and the filtering holes 25 on the filtering folding cylinder 24 are exposed when the filtering folding cylinder 24 is elongated and the folding surfaces of the filtering folding cylinder 24 are opened after impurities in the filtering cylinder 4 are compressed; the lower end of the filtering folding cylinder 24 is provided with a filtering bottom plate 26, as shown in fig. 11, two groups of guide blocks 31 are circumferentially and uniformly arranged on the outer circumferential surface of the filtering bottom plate 26, and two guide blocks 31 in the same group form a guide channel; the sliding fit of the two guide channels with the two guide strips 38 mounted on the sealing ring 6 guides the filter bottom plate 26; as shown in fig. 10 and 13, the upper end of the filter cartridge 4 is provided with a first support ring 23, the filter cartridge 4 is mounted inside the sealing ring 6 by the first support ring 23 cooperating with a third support ring 18 mounted on the sealing ring 6, and two guide channels formed by two sets of guide blocks 31 mounted on the filter base plate 26 cooperate with two guide strips 38 mounted on the inner circumferential surface of the sealing ring 6; in mounting the filter cartridge 4, the first support ring 23 mounted on the filter cartridge 4 is preferably fixed to the third support ring 18 mounted on the seal ring 6 by screws.

The filter holes in fig. 11, 13, 16, etc. are only schematic. The filter holes are opened at the folding surface according to the rule shown in fig. 18, and the design intention is that in the folding process of the folding cylinder, dirt is compressed on one hand, and on the other hand, the dirt around the blocked filter holes can be extruded out of the filter holes by the folding surface, so that the partially blocked filter holes are opened again.

As shown in fig. 5, a guide ring 7 is installed on the upper side of the first support ring 23 installed on the filter cartridge 4, and the guide ring 7 guides the sewage flowing in after being filtered by the sewer cover 1, so that the sewage flowing in flows into the filter cartridge 4; as shown in fig. 8 and 9, the isolation and odor prevention plate 27 is installed on the lower side of the baffle ring 7; the isolation and odor-proof plate 27 has an isolation effect on the air on the upper sides of the filter cartridge 4 and the sewer cover 1, and prevents impurities in the filter cartridge 4 from diffusing odor into the air on the upper side of the sewer cover 1 after rotting and smelling, so that the air around the sewer device is prevented from being polluted.

As shown in fig. 9, the sewer cover 1 is provided with a filter screen 14 for filtering the sewage flowing in through the sewer cover 1 to prevent impurities in the sewage from being carried into the sewer pipe by the sewage and blocking the sewer pipe, and as shown in fig. 5, the sewer cover 1 is installed in the square installation groove 9 formed in the sewer frame 2.

As shown in fig. 16 and 17, the adjusting mechanism 5 is composed of a first rack 30, a second rack 35 and a transmission gear 39, the first rack 30 is mounted on the lower water cover 1 by sliding fit, and the first rack 30 controls the folding of the filter folding cylinder 24 by the transmission of the second rack 35 and the transmission gear 39.

In summary, the following steps: the utility model discloses a beneficial effect: when the drainer is used, when some fine impurities flow into the filter cylinder 4 through the drain cover 1, the fine impurities are filtered by the filter holes 25 and the filter bottom plate 26 formed on the filter folding cylinder 24, so that the impurities are prevented from flowing into the drain pipe; after long-time use, the impurities filtered by the filter cartridge 4 and remaining in the filter cartridge 4 are increased, when the impurities in the filter cartridge 4 block the filter holes 25 on the filter bottom plate 26 and the filter folding cylinder 24, the inflowing sewage is gathered in the filter cartridge 4, the gravity of the filter cartridge 4 is increased, when the filter cartridge 4 becomes heavy, the filter folding cylinder 24 is stretched, the filter bottom plate 26 moves downwards, the second rack 35 can be triggered by the downward movement of the filter bottom plate 26, the second rack 35 moves out of the upper side of the drain cover 1, when people find that the impurities are heavy, the second rack 35 is pressed by a strip-shaped tool to move downwards, the filter folding cylinder 24 is compressed upwards, the impurities in the filter cartridge 4 are compressed by the compression of the filter folding cylinder 24, then the second rack 35 is stopped to be driven, and under the action of the return spring 8, the first rack 30 moves downwards to elongate the filter folding cylinder 24, the filtering holes blocked by the impurities on the filtering folding cylinder are partially exposed due to the extrusion movement of the impurities and the dirt in the folding process, and the sewage can continuously flow out through the leaking holes, so that the folding cylinder is prevented from being blocked by the impurities remained on the wall of the folding cylinder, the discharge of the sewage is prevented from being influenced, meanwhile, the folding cylinder can filter more impurities through folding, and the cleaning interval time is prolonged; simultaneously the utility model discloses a downcomer installs between lower water cover 1 and cartridge filter 4 and keeps apart odor-proof board 27, plays the isolation to the air of cartridge filter 4 and lower water cover 1 upside through keeping apart odor-proof board 27, prevents that impurity in the cartridge filter 4 from spreading the foul smell to the air of lower water cover 1 upside in rotten smelly back, causes the pollution to the air around the downcomer.

As shown in fig. 12, a third limiting groove 32 is formed on the upper side surface of the second supporting ring 33; as shown in fig. 14 and 15, a fourth stopper 36 is mounted at the lower end of the third support ring 18, and as shown in fig. 5, the fourth stopper 36 mounted on the third support ring 18 is matched with the third stopper groove 32 formed on the second support ring 33; the sealing ring 6 is positioned by the cooperation of the fourth limiting block 36 and the third limiting groove 32, and the mounting position of the sealing ring 6 can be fixed according to the positions of the third limiting groove 32 and the fourth limiting block 36 when the sealing ring 6 is mounted.

As shown in fig. 6, a first limiting groove 11 is formed on the end surface of the square mounting groove 9 on the lower water frame 2, as shown in fig. 7, a first limiting block 12 is mounted on the lower side of the lower water cover 1, as shown in fig. 5, the first limiting block 12 is matched with the first limiting groove 11; the first limiting block 12 is matched with the first limiting groove 11 to position the sewer cover 1, and the installation position of the sewer cover 1 can be fixed according to the positions of the first limiting groove 11 and the first limiting block 12 when the sewer cover 1 is installed.

As shown in fig. 8, the guide ring 7 is provided with a guide inclined surface 19 on the upper side surface, and the guide inclined surface 19 can ensure that the sewage filtered by the lower water cover 1 can smoothly flow into the filter cartridge 4.

As shown in fig. 9, the lower end of the guide ring 7 is provided with a second limiting block 20, as shown in fig. 10, the upper end surface of the first support ring 23 is provided with a second limiting groove 22, and the second limiting groove 22 is matched with the second limiting block 20; the guide ring 7 is positioned by the cooperation of the second limiting block 20 and the second limiting groove 22, and the installation position of the guide ring 7 can be fixed according to the positions of the second limiting groove 22 and the second limiting block 20 when the guide ring 7 is installed.

As shown in fig. 16, a third stopper 28 is installed at the lower side of the first support ring 23, as shown in fig. 14, a fourth stopper groove 37 is opened on the upper side surface of the third support ring 18, and the fourth stopper groove 37 is matched with the third stopper 28; the third limiting block 28 and the fourth limiting groove 37 are matched to position the filter cartridge 4, and the mounting position of the filter cartridge 4 can be fixed according to the positions of the fourth limiting groove 37 and the third limiting block 28 when the filter cartridge 4 is mounted.

The inclination angle of the diversion inclined plane 19 is 15 degrees; the filth flowing in through the drain cover 1 can be smoothly washed into the folded cylinder of the filter cartridge 4.

As shown in fig. 9, the above-mentioned odor isolating plate 27 includes a mounting plate 15, a baffle plate 16, and a leaf spring 17, wherein the mounting plate 15 is fixedly mounted on the lower side of the deflector ring 7, the baffle plate 16 is mounted on the mounting plate 15 by a hinge, and the leaf spring 17 is mounted between the mounting plate 15 and the baffle plate 16; the technical means adopted by the isolation and odor-proof plate 27 for isolating the air on the upper sides of the filter cartridge 4 and the lower water cover 1 is traditional swing type sealing, the baffle 16 can be driven to swing by the water flowing in through the lower water cover 1 under the action of impact force and gravity, the baffle 16 can swing to enable the flowing water to enter the filter cartridge 4, and meanwhile, when the filter cartridge is not used at ordinary times, the baffle 16 is tightly attached to the lower side surface of the flow guide ring 7, so that the isolation and odor-proof plate has an isolation effect on the air on the upper sides of the filter cartridge 4 and the lower water cover 1; the leaf spring 17 provides restoring elasticity for the baffle 16, and the baffle 16 can be tightly attached to the lower side surface of the deflector ring 7 through the elasticity of the leaf spring 17 when the deflector is not used at ordinary times.

As shown in fig. 16, the above-mentioned adjusting mechanism 5 comprises a return spring 8, a first rack 30, a second rack 35, a transmission gear 39, a gear support 40, a spring fixing plate 41, a gear shaft 42, wherein the gear shaft 42 is installed inside the inner core 3 through the gear support 40, the transmission gear 39 is installed on the gear shaft 42, the first rack 30 is installed at the lower side of the filter base plate 26, and the first rack 30 is engaged with the transmission gear 39; as shown in fig. 17, the spring fixing plate 41 is installed on the second rack 35, the upper end of the second rack 35 is installed on the lower water cover 1 through the square hole 13 opened on the filter screen 14, and the lower end of the second rack 35 passes through the circular hole 21 opened on the installation plate 15 and the avoiding square hole 29 opened on the filter bottom plate 26 and is located at the lower side of the filter bottom plate 26; the second rack 35 meshes with the transmission gear 39; a return spring 8 is arranged between the upper end surface of the spring fixing plate 41 and the lower end surface of the filter screen 14, and the return spring 8 penetrates through a circular hole 21 formed in the mounting plate 15; when the impurities in the filter cartridge 4 are accumulated more, the impurities in the filter cartridge 4 will block the filter bottom plate 26 and the filter holes 25 on the filter folding cylinder 24, causing the sewage to be gathered in the filter cartridge 4, increasing the gravity of the filter cartridge 4, when the filter cartridge 4 becomes heavy, the filter folding cylinder 24 will be stretched, the filter bottom plate 26 will move downwards relative to the transmission gear 39, the filter bottom plate 26 will move downwards to drive the first rack 30 to move downwards, the first rack 30 will move downwards to drive the transmission gear 39 to rotate, the transmission gear 39 will rotate to drive the second rack 35 to move upwards, when people find that the upper end of the second rack 35 is moved out of the upper side of the drain cover 1, people will realize that more impurities are accumulated in the filter cartridge 4, in this state, people will drive the second rack 35 to move downwards by using a bar tool, the second rack 35 will drive the transmission gear 39 to rotate when moving downwards, meanwhile, the return spring 8 is stretched, the transmission gear 39 rotates to drive the first rack 30 to move upwards, the first rack 30 moves upwards to drive the filter bottom plate 26 to move upwards, the filter bottom plate 26 moves upwards to compress the filter folding cylinder 24, so that the filter folding cylinder 24 contracts, and impurities in the filter cylinder 4 are squeezed; when people drive the second rack 35 downwards, the second rack 35 is driven to the limit state capable of moving downwards as much as possible, the filtering folding cylinder 24 can be compressed maximally, when the second rack 35 moves to the lowest end, the second rack 35 stops being driven, the second rack 35 moves upwards under the action of the reset spring 8, the first rack 30 moves downwards, the filtering bottom plate 26 moves downwards, the filtering folding cylinder 24 is pulled away by the filtering bottom plate 26, in the process that the filtering folding cylinder 24 is pulled away, impurities blocking the filtering holes 25 opened in the filtering folding cylinder 24 originally become small in volume due to compression, the filtering holes 25 blocked by the impurities originally are exposed, and sewage can continuously flow out through the filtering holes 25.

The return spring 8 is a tension spring.

The specific working process is as follows: when the launching device designed by the utility model is used, the launching frame 2 is firstly fixed in the frame hole which is dug by people through cement; the inner core 3, the sealing ring 6, the filter cartridge 4 and the isolation and deodorization plate 27 are fixed on the lower water frame 2 in sequence; in the using process, a part of impurities are filtered by the sewer cover 1, and when some fine impurities flow into the filter cylinder 4 through the sewer cover 1, the fine impurities are filtered by the filter holes 25 and the filter bottom plate 26 formed on the filter folding cylinder 24, so that the impurities are prevented from flowing into the sewer pipe; after a long time of use, the impurities filtered by the filter cartridge 4 and remaining in the filter cartridge 4 increase, when the impurities in the filter cartridge 4 block the filter holes 25 on the filter bottom plate 26 and the filter folding cylinder 24, the inflowing sewage is gathered in the filter cartridge 4, the gravity of the filter cartridge 4 is increased, when the filter cartridge 4 becomes heavy, the filter folding cylinder 24 is stretched, the filter bottom plate 26 moves downwards to drive the first rack 30 to move downwards, the first rack 30 moves downwards to drive the transmission gear 39 to rotate, the transmission gear 39 rotates to drive the second rack 35 to move upwards, when people find that the upper end of the second rack 35 moves out of the upper side of the drain cover 1, people can realize that more impurities are accumulated in the filter cartridge 4, in this state, people can drive the second rack 35 to move downwards by using a bar-shaped tool, the second rack 35 moves downwards to drive the transmission gear 39 to rotate, meanwhile, the return spring 8 is stretched, the transmission gear 39 rotates to drive the first rack 30 to move upwards, the first rack 30 moves upwards to drive the filter bottom plate 26 to move upwards, the filter bottom plate 26 moves upwards to compress the filter folding cylinder 24, so that the filter folding cylinder 24 contracts, and impurities in the filter cylinder 4 are squeezed; when people drive the second rack 35 downwards, the second rack 35 is driven to the limit state capable of moving downwards as much as possible, so that the second rack is lower than the sewer cover, a strip-shaped tool is needed to press the second rack, the filtering folding cylinder 24 can be ensured to be compressed maximally, when the second rack 35 moves to the lowest end, the second rack 35 stops being driven, the second rack 35 moves upwards under the action of the return spring 8, the first rack 30 moves downwards, the filtering bottom plate 26 moves downwards, the filtering folding cylinder 24 is pulled open by the filtering bottom plate 26, in the process that the filtering folding cylinder 24 is pulled open, impurities originally blocking the filtering holes 25 formed in the filtering folding cylinder 24 are reduced in volume due to compression, the filtering holes 25 originally blocked by the impurities are exposed, and simultaneously, the impurities are partially exposed due to extrusion movement of the impurities in the folding process, the sewage can continuously flow out through the filtering holes 25; the filter folding cylinder is arranged on the lower side of the filter cylinder 4, and the filter holes are arranged on the filter folding cylinder; meanwhile, the sewer device designed by the utility model is provided with the isolation and odor-proof plate 27 between the sewer cover 1 and the filter cartridge 4, the isolation and odor-proof plate 27 has an isolation effect on the air above the filter cartridge 4 and the sewer cover 1, so that the impurities in the filter cartridge 4 are prevented from diffusing odor into the air above the sewer cover 1 after rotting and smelling, and the air around the sewer device is polluted; the utility model discloses in order to improve launching gear's life, the user can be interrupted impurity in to cartridge filter 4 and clear up, reduces the loss that filters folding cylinder 24 on cartridge filter 4.

Claims (5)

1. A launching device is characterized in that: the device comprises a drainage cover, an inner core, a filter cartridge, an adjusting mechanism, an isolation and odor-proof plate and a drainage frame, wherein a frame hole for installing the drainage frame is drilled in advance at a place at an inlet of the drainage pipe; the lower water frame is arranged in the frame hole, and the outlet of the lower water frame is connected with the inlet of the lower water pipe; the lower water cover, the inner core, the filter cartridge, the adjusting mechanism and the isolation deodorization plate are arranged on the lower water frame;

the lower water frame is provided with a square mounting groove and an annular mounting groove, and the annular mounting groove is positioned at the lower side of the square mounting groove; the outer circular surface of the lower end of the inner core is provided with water outlets which are uniformly distributed in the circumferential direction, the upper end of the inner core is provided with a second support ring, and the inner core is arranged on the lower water frame through the matching of the second support ring and an annular mounting groove arranged on the lower water frame; the upper end of the sealing ring is provided with a third supporting ring, the sealing ring is arranged on the inner side of the inner core through the matching of the third supporting ring and a second supporting ring arranged on the inner core, a gap is formed between the outer circular surface of the sealing ring and the inner circular surface of the inner core, and the lower end surface of the sealing ring is positioned on the lower side of the lower end surface of a water outlet formed in the inner core; two guide bars are uniformly arranged on the inner circular surface of the sealing ring in the circumferential direction;

the lower end of the filter cylinder is provided with a filtering folding cylinder, and the outer circular surface of the filtering folding cylinder is uniformly provided with a plurality of filtering holes in the circumferential direction; the filter holes are positioned on the folding surface of the filter folding cylinder, the lower end of the filter folding cylinder is provided with a filter bottom plate, two groups of guide blocks are uniformly arranged on the outer circular surface of the filter bottom plate in the circumferential direction, and the two guide blocks positioned in the same group form a guide channel; the upper end of the filter cylinder is provided with a first support ring, the filter cylinder is arranged on the inner side of the sealing ring through the matching of the first support ring and a third support ring arranged on the sealing ring, and two guide channels consisting of two groups of guide blocks and arranged on the filter bottom plate are matched with two guide bars arranged on the inner circular surface of the sealing ring;

the upper side of the first supporting ring arranged on the filter cartridge is provided with a flow guide ring, and the isolation deodorization plate is arranged on the lower side of the flow guide ring;

the lower water cover is provided with a filter screen and is arranged in a square mounting groove on the lower water frame;

the adjusting mechanism consists of a first rack, a second rack and a transmission gear, the first rack is arranged on the lower water cover in a sliding fit mode, and the first rack controls the folding of the filtering folding cylinder through the transmission of the second rack and the transmission gear.

2. A launch apparatus according to claim 1, characterised in that: a third limiting groove is formed in the upper side face of the second support ring; and a fourth limiting block is arranged at the lower end of the third support ring, and the fourth limiting block arranged on the third support ring is matched with a third limiting groove formed in the second support ring.

3. A launch apparatus according to claim 1, characterised in that: open on the terminal surface of the square mounting groove on the frame of above-mentioned lower water and have first spacing groove, first stopper is installed to the downside of lower water lid, first stopper and the cooperation of first spacing groove.

4. A launch apparatus according to claim 1, characterised in that: the upper side surface of the guide ring is provided with a guide inclined surface.

5. A launch apparatus according to claim 1, characterised in that: a second limiting block is installed at the lower end of the flow guide ring, a second limiting groove is formed in the upper end face of the first supporting ring, and the second limiting groove is matched with the second limiting block.

Images