CN112354652A

CN112354652A - Sewage pretreatment type green building drainage system

Info

Publication number: CN112354652A
Application number: CN202011122057.0A
Authority: CN
Inventors: 刘可
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-02-12
Anticipated expiration: 2040-10-20
Also published as: CN112354652B

Abstract

The invention relates to the field of sewage discharge, in particular to a sewage pretreatment type green building drainage system. The garbage disposer comprises a housing, a main shaft, a grinding assembly, a first connecting structure and a second connecting structure; the grinding assembly comprises a grinding frame, a grinding cylinder and a grinding disc, a first grinding structure is arranged between the grinding frame and the grinding cylinder, a second grinding structure is arranged between the grinding cylinder and the grinding disc, the main shaft drives the grinding disc to rotate and drives the grinding cylinder to rotate reversely through a transmission device, the main shaft is connected with the transmission device through a first connecting structure, and the main shaft is connected with the grinding disc through a second connecting structure. According to the invention, the garbage disposer is arranged, so that garbage in sewage can be crushed, ground and discharged, and blockage is prevented; meanwhile, the garbage processor realizes reverse retreating of the grinding cylinder through the first connecting structure when the first grinding structure is clamped to be dead, and realizes lifting of the grinding disc through the second connecting structure when the second grinding structure is clamped to be dead so as to remove clamping to be dead.

Description

Sewage pretreatment type green building drainage system

Technical Field

The invention relates to the technical field of sewage discharge, in particular to a sewage pretreatment type green building drainage system.

Background

The green building refers to a building which saves resources, protects the environment, reduces pollution to the maximum extent, provides healthy, suitable and efficient use space for people and is harmoniously symbiotic with the nature in the whole life cycle of the building. The completeness of a drainage system in a green building is closely related to the problem of environmental protection.

As a place with more easily-rotten and deteriorated garbage, a kitchen in a green building has higher requirements on the reliability and the environmental protection of a drainage system. The existing green building kitchen drainage system directly puts part of kitchen garbage into a water tank and then directly discharges the garbage, easily causes the blockage of a drainage channel and even causes the paralysis of the whole drainage system, brings inconvenience to the production and the living of people, and increases the sewage treatment and the environmental protection cost.

The garbage disposer is used as a garbage disposal device commonly used in a green building kitchen drainage system and is installed at a water outlet of a kitchen cleaning counter basin, kitchen garbage is crushed and then is discharged into a sewer together with sewage after being cleaned, so that the phenomenon that the kitchen garbage is directly discharged into the sewer to cause blockage of a drainage channel is avoided, unnecessary subdivision filtration in the sewage treatment process is reduced, and the garbage disposer plays a role in lifting in environmental protection. The existing garbage disposer is easy to be stuck in the using process, so that the garbage disposer is damaged, and the using performance of the garbage disposer is seriously influenced; meanwhile, most of the existing kitchen waste disposers uniformly grind and crush kitchen waste, do not have the functions of screening, grading and grinding, and have low grinding efficiency.

Disclosure of Invention

According to at least one of the defects of the prior art, the invention provides a sewage pretreatment type green building drainage system to solve the problem that the existing drainage system is easy to block.

The sewage pretreatment type green building drainage system adopts the following technical scheme: the garbage disposer comprises a water tank sewer pipe, a ground sewer pipe, a garbage disposer and a sewage discharge pipeline, wherein the garbage disposer comprises a shell, a feed inlet is arranged at the upper end of the shell, a slag outlet is arranged on the side wall of the shell, the feed inlet is connected with outlets of the water tank sewer pipe and the ground sewer pipe, and the slag outlet is connected with the sewage discharge pipeline; the garbage disposer further comprises:

a shell, the upper end of which is provided with a feed inlet;

a spindle vertically disposed inside the housing;

the grinding assembly is positioned in the shell and below the feeding hole, and comprises a grinding frame, a grinding cylinder and a grinding disc which are coaxially arranged; the grinding rack is fixedly arranged on the shell, and the grinding cylinder is positioned in the grinding rack and is rotationally connected with the shell; the grinding disc is positioned in the grinding cylinder and connected with the main shaft so as to be driven by the main shaft to rotate; the grinding cylinder is connected with the main shaft through a transmission device, so that when the main shaft rotates, the grinding cylinder and the grinding disc rotate reversely through the transmission device; a first grinding structure is arranged between the grinding frame and the grinding cylinder, and a second grinding structure is arranged between the grinding cylinder and the grinding disc;

the main shaft drives a transmission device to rotate through the first connecting structure, and the first connecting structure is configured to enable the main shaft and the transmission device to be separated from transmission when the first grinding structure is clamped, so that the grinding cylinder rotates along with the grinding disc under the action of friction force of the second grinding structure;

and the spindle drives the grinding disc to rotate through the second connecting structure, and the second connecting structure is configured to enable the grinding disc to rotate and move up and down relative to the spindle under the action of the friction force of the second grinding structure when the second grinding structure is clamped.

Optionally, the garbage disposer further comprises a filter screen, the filter screen is located below the feed inlet and above the first grinding structure, and the filter screen is configured to filter kitchen waste and guide part of the garbage into the first grinding mechanism, and guide the rest of the garbage into an upper opening of the grinding drum; the average particle size of the part of the garbage is larger than that of the rest part of the garbage;

the material guide holes are uniformly distributed on the peripheral wall surface of the grinding cylinder along the circumferential direction of the grinding cylinder, and are positioned below the first grinding structure and above the second grinding structure, so that part or all of the garbage ground by the first grinding structure enters the second grinding structure through the material guide holes.

Optionally, a material guiding inclined plane and a material discharging plane which are connected from top to bottom are arranged on the inner peripheral wall surface of the grinding frame and located at the material guiding hole, the lower end of the material guiding inclined plane inclines towards the material guiding hole to guide part of the garbage ground by the first grinding structure into the material guiding hole, the material discharging plane and the outer peripheral wall surface of the grinding cylinder form a material discharging channel, the rest part of the garbage ground by the first grinding structure falls through the material discharging channel, and the average particle size of the part of the garbage ground by the first grinding structure is larger than that of the rest part of the garbage ground by the first grinding structure.

Optionally, the filter screen comprises a screen plate and a plurality of frame rods uniformly distributed on the outer periphery of the screen plate, the middle of the screen plate is arched upwards, part of the garbage falls into the grinding cylinder after being filtered by the screen plate, and the rest of the garbage slides from the screen plate and falls into the first grinding structure.

Optionally, the transmission device includes a driving gear, and the driving gear is connected with the main shaft through the first connecting structure;

the first connecting structure comprises a driving groove, a driving block and a first spring, the driving groove is formed in the peripheral wall face of the main shaft, the driving block is slidably arranged in the driving gear along the radial direction of the driving gear, the first spring is horizontally arranged in the driving gear, and the first spring is in press fit with the driving block and the top of the driving gear to enable the driving block to be inserted into the driving groove.

Optionally, the second connection structure includes a guide groove, a guide protrusion, a second spring and a positioning plate, the guide groove is curved and is followed end to end the outer peripheral wall surface of the main shaft sets up a circle, the guide protrusion protrudes out the inner peripheral wall surface of the grinding disc, the guide protrusion is located in the guide groove, the positioning plate is fixedly connected with the main shaft, and the second spring is vertically arranged between the grinding disc and the positioning plate.

Optionally, transmission still includes driven gear, internal gear ring and driving frame, driven gear with the driving gear and the internal gear ring meshes mutually, the driving frame with the internal gear ring and the grinding vessel is connected, with the rotation of driving gear is passed on after changing the direction to the grinding vessel.

Optionally, the first grinding structure comprises first inner grinding teeth protruding from the inner peripheral wall surface of the grinding frame and first outer grinding teeth protruding from the outer peripheral wall surface of the grinding cylinder;

the second grinding structure comprises second inner grinding teeth protruding out of the inner peripheral wall surface of the grinding cylinder and second outer grinding teeth protruding out of the outer peripheral wall surface of the grinding disc;

a plurality of grinding pendulum bob are uniformly distributed on the upper surface of the grinding disc along the circumferential direction of the grinding disc.

Optionally, the housing comprises an upper barrel, the grinding assembly being located within the upper barrel; go up the guide table that the bottom of barrel has the slope to set up, the low point department of guide table connects the slag notch, the cover is equipped with row stub bar on the slag notch.

Optionally, the shell further comprises a top cover located above the upper cylinder and a lower cylinder located below the upper cylinder, and the feed inlet is located at the upper end of the top cover;

the transmission device is arranged inside the lower barrel and further comprises a bearing frame table arranged on the inner peripheral wall surface of the lower barrel, the driving gear, the driven gear, the inner gear ring and the transmission frame are all arranged on the bearing frame table, the main shaft penetrates through the bearing frame table and is rotatably connected with the bearing frame table, and the transmission frame is sleeved at the upper end of the bearing frame table and is rotatably connected with the bearing frame table;

the inside of barrel still is provided with driving motor down, driving motor is located the below of bearing platform, driving motor's output shaft with the main shaft is connected.

The invention has the beneficial effects that: according to the invention, the waste processor is arranged in the drainage system, the waste in the sewage is crushed and ground by the waste processor and is discharged into the sewage discharge pipeline after being pretreated, so that the blockage of the drainage system caused by the direct discharge of the waste and the sewage is avoided, meanwhile, unnecessary subdivision filtration in the subsequent sewage treatment process is reduced, and the cost is reduced.

According to the garbage disposer, through the matching of the driving groove, the driving block and the first spring in the first connecting structure, when the first grinding structure is clamped, the driving block can exit from the driving groove, so that the main shaft and the driving gear are separated from transmission, the grinding disc drives the grinding cylinder to rotate, the grinding cylinder reversely retreats, and the clamping is removed; through the matching of the guide groove, the guide protrusion and the second spring in the second connecting structure, when the second grinding structure is clamped, the grinding cylinder can drive the grinding disc to rotate together, and meanwhile, the guide protrusion moves up and down along the guide groove, so that the grinding disc is driven to lift, the dislocation of the inner grinding teeth and the outer grinding teeth at the second grinding structure is realized, and the clamping is removed; when two positions are blocked simultaneously, the blocking can be removed by utilizing the first connecting structure and the second structure. The device is prevented from being damaged due to forced running of the driving motor in a high-resistance state by automatically releasing the blocking.

According to the garbage processor, the filter screen is arranged, and the first grinding structure and the second grinding structure are arranged in a matched mode, so that kitchen garbage can be filtered, subdivided and ground in a grading mode, the grinding efficiency is greatly improved, energy is saved, and the phenomenon of blocking caused by filling gaps among large-particle garbage with small-particle garbage can be effectively prevented.

Drawings

In order to illustrate more clearly the embodiments of the invention or the solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained by those skilled in the art without inventive exercise from these drawings, it being understood that these drawings are not necessarily drawn to scale.

FIG. 1 is a schematic structural diagram of a sewage pretreatment type green building drainage system according to the present invention;

FIG. 2 is a schematic view of the garbage disposer of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic view of the connection between the main shaft and the driving gear of the garbage disposer in the present invention;

FIG. 5 is a cross-sectional view taken at B-B of FIG. 4;

FIG. 6 is a schematic view of the grinding cylinder and the transmission frame of the garbage disposer of the present invention;

FIG. 7 is a schematic view of the structure of the guiding slot of the garbage disposer in the present invention;

FIG. 8 is a schematic view of the connection between the main shaft and the grinding disk of the garbage disposer.

In the figure: 100. a waste processor; 200. a sink drain pipe; 300. a ground sewer pipe; 400. a blowdown line; 11. a top cover; 12. a feed inlet; 13. an upper cylinder body; 131. a discharge head; 132. a material guide table; 133. a positioning table; 14. a grinding frame; 141. a first inner grinding tooth; 15. a filter screen; 151. a frame bar; 16. a grinding cylinder; 161. a first outer grinding tooth; 162. a material guide hole; 163. a grinding disk; 1631. positioning a plate; 1632. a guide bulge; 1633. a second spring; 164. grinding the pendulum bob; 165. a second outer grinding tooth; 166. a second inner grinding tooth; 167. a flange plate; 17. a lower cylinder body; 18. a transmission frame; 184. an inner gear ring; 19. a support stand; 191. a bearing; 192. a driven gear; 20. a driving gear; 201. a placement groove; 202. a drive block; 203. a first spring; 204. a cover plate; 21. a drive motor; 22. a main shaft; 221. a guide groove; 222. the groove is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 8, the sewage pretreatment type green building drainage system (hereinafter referred to as drainage system) of the present invention includes a sink sewer pipe 200, a ground sewer pipe 300, a waste processor 100 and a sewage discharge pipe 400, wherein the waste processor 100 includes a housing, a feed inlet 12 is disposed at an upper end of the housing, a slag outlet is disposed on a side wall of the housing, the feed inlet 12 is connected to outlets of the sink sewer pipe 200 and the ground sewer pipe 300, the slag outlet is connected to the sewage discharge pipe 400, and the waste processor 100 further includes: a spindle 22, a grinding assembly, a first attachment structure, and a second attachment structure. The spindle 22 is vertically disposed within the housing, and the grinding assembly is located within the housing below the feed port 12. The grinding assembly comprises a grinding frame 14, a grinding cylinder 16 and a grinding disc 163 which are coaxially arranged, the grinding frame 14 is fixedly installed on the shell, the grinding cylinder 16 is located inside the grinding frame 14 and is rotatably connected with the shell, the grinding disc 163 is located inside the grinding cylinder 16 and is connected with the main shaft 22 so as to rotate under the driving of the main shaft 22, the grinding cylinder 16 is connected with the main shaft 22 through a transmission device so as to enable the grinding cylinder 16 and the grinding disc 163 to rotate reversely through the transmission device when the main shaft 22 rotates, a first grinding structure is arranged between the grinding frame 14 and the grinding cylinder 16, and a second grinding structure is arranged between the grinding cylinder 16 and the grinding disc 163.

The main shaft 22 drives the transmission device to rotate through the first connection structure, and the first connection structure is configured to separate the main shaft 22 and the transmission device from transmission when the first grinding structure is stuck, so that the grinding cylinder 16 rotates along with the grinding disc 163 under the action of the friction force of the second grinding structure, that is, the grinding cylinder 16 reversely retreats relative to the grinding frame 14 to remove the sticking; the main shaft 22 drives the grinding disc 163 to rotate through the second connection structure, and the second connection structure is configured such that when the second grinding structure is stuck, the grinding disc 163 rotates and moves up and down relative to the main shaft 22 under the action of the friction force of the second grinding structure, that is, the grinding position of the second grinding structure is dislocated by the up-and-down movement of the grinding disc 163, and the sticking is removed.

In this embodiment, the garbage disposer 100 further includes a filter screen 15 installed on the grinding rack 14, the filter screen 15 is located below the feeding hole 12 and above the first grinding structure, the filter screen 15 is configured to filter the kitchen waste and guide a part of the garbage into the first grinding mechanism, and guide the rest of the garbage into the upper opening of the grinding drum 16, and the average particle size of the part of the garbage is larger than that of the rest of the garbage. A plurality of material guiding holes 162 are uniformly distributed on the peripheral wall surface of the grinding cylinder 16 along the circumferential direction thereof, and the material guiding holes 162 are located below the first grinding structure and above the second grinding structure, so that part or all of the garbage ground by the first grinding structure enters the second grinding structure through the material guiding holes 162 for grinding. Specifically, filter screen 15 includes otter board and a plurality of hack lever 151, grinds the interior wall equipartition of frame 14 and has a plurality of installation buckles, and hack lever 151 is installed in grinding frame 14 along otter board circumferencial direction equipartition and through the installation buckle. The middle part of otter board arch upwards, and the equipartition has a plurality of filtration pores on it, some rubbish gets into inside grinding vessel 16 and grinds through the second grinding structure after filtering through the otter board, other part rubbish slides down and gets into the grinding structure of first grinding from the otter board and grinds. Through filtering and pertinence ground in grades, very big improvement grinding efficiency, the energy saving to can effectively prevent the card dead phenomenon that the space between the large granule rubbish is filled to the tiny particle rubbish caused.

Further, in this embodiment, a material guiding inclined plane and a material discharging plane connected from top to bottom are disposed on the inner peripheral wall surface of the grinding frame 14 and located at the material guiding hole 162, a lower end of the material guiding inclined plane is inclined toward the material guiding hole 162 to guide a part of the garbage ground by the first grinding structure into the material guiding hole 162, the material discharging plane and the outer peripheral wall surface of the grinding cylinder 16 form a material discharging channel, the rest of the garbage ground by the first grinding structure falls through the material discharging channel, and an average particle size of the rest of the garbage ground by the first grinding structure is larger than an average particle size of the rest of the garbage ground by the first grinding structure.

In the present embodiment, the transmission includes a drive gear 20, and the drive gear 20 is connected to a main shaft 22 through a first connection structure. The first connecting structure includes a driving groove 222, a driving block 202 and a first spring 203, the driving groove 222 is disposed on the outer peripheral wall surface of the main shaft 22, the driving block 202 is slidably disposed on the driving gear 20 along the radial direction of the driving gear 20, the first spring 203 is horizontally disposed in the driving gear 20, and the first spring 203 is in press fit with the driving block 202 and the driving gear 20 to urge the driving block 202 to be inserted into the driving groove 222.

When the first grinding structure is normally ground, the main shaft 22 drives the driving gear 20 to rotate through the driving block 202 and the first spring 203, and drives the grinding cylinder 16 to rotate reversely relative to the main shaft 22 through the transmission device, when the first grinding structure is stuck, the load of the grinding cylinder 16 is increased, the rotation resistance of the driving gear 20 is increased, when the rotation resistance is greater than the elastic force of the first spring 203, the main shaft 22 pushes the driving block 202 to compress the first spring 203, and the driving block 202 is gradually withdrawn from the driving groove 222 along with the rotation of the main shaft 22, after the driving block 202 is completely withdrawn from the driving groove 222, because the friction force between the grinding disc 163 and the grinding cylinder 16 (the friction force at the second grinding structure) is greater than the friction force between the driving block 202 and the main shaft 22 and the friction force when the grinding cylinder 16 is withdrawn relative to the grinding rack 14, the grinding cylinder 16 rotates along with the grinding disc 163 under the driving of the grinding disc 163, namely, the grinding cylinder 16 reversely retreats to realize the jam release, until the driving block 202 is clamped into the driving groove 222 again, and the first grinding structure and the second grinding structure carry out normal grinding again. If the driving block 202 is clamped into the driving groove 222 again, the driving block 202 is not released from the driving groove 222, and the clamping is completely released.

For the installation, the inside of driving gear 20 is provided with standing groove 201 along its radial direction, and the up end center of driving gear 20 is provided with the installation cavity, standing groove 201 and installation cavity intercommunication, and first spring 203 and drive block 202 are located inside standing groove 201, and the embedded apron 204 that is equipped with of installation cavity, apron 204 and the drive block 202 laminating mutually in order to fix a position drive block 202, and apron 204 is connected with driving gear 20 through the bolt. Further, the driving block 202 may be provided in a cylindrical or prismatic shape, and in order to facilitate the driving block 202 to be inserted into and withdrawn from the driving recess 222, the head of the driving block 202 may be provided in a hemispherical shape. Optionally, a guide groove is further provided on the peripheral wall of the main shaft 22, both ends of the guide groove communicate with the driving groove 222, and the depth of the guide groove is smaller than that of the driving groove 222, so as to guide the driving block 202 and prevent the driving block 202 from moving up and down after the driving block 202 is disengaged from the driving groove 222.

In this embodiment, the second connecting structure includes a guiding groove 221, a guiding protrusion 1632, a second spring 1633 and a positioning plate 1631, the guiding groove 221 is curved and is disposed along the outer peripheral wall of the spindle 22 in an end-to-end manner for a circle, the guiding protrusion 1632 protrudes from the inner peripheral wall of the grinding disk 163, the guiding protrusion 1632 is disposed in the guiding groove 221, the positioning plate 1631 is fixedly connected to the spindle 22, and the second spring 1633 is vertically disposed between the grinding disk 163 and the positioning plate 1631. Specifically, a through hole is formed in the center of the grinding disc 163, a mounting groove penetrating through the upper surface of the grinding disc 163 is formed in the center of the grinding disc 163, a through hole is formed in the bottom surface of the mounting groove in a downward extending manner, the guide protrusion 1632 protrudes out of the peripheral wall surface of the through hole, the positioning plate 1631 is fixedly mounted on the main shaft 22 and located at the upper portion of the mounting groove, and the second spring 1633 is pressed between the bottom surface of the mounting groove and the lower surface of the positioning plate 1631 in the vertical direction.

When the second grinding structure is normally ground, the spindle 22 drives the grinding disc 163 to rotate through the guiding protrusion 1632, when the second grinding structure is stuck, due to the friction effect, the grinding cylinder 16 and the grinding disc 163 can be regarded as a whole (meanwhile, the elastic force of the second spring 1633 is set to be smaller than the elastic force of the first spring 203), because the elastic force of the first spring 203 is greater than the elastic force of the second spring 1633, the grinding disc 163 can rotate along with the grinding cylinder 16, when the grinding disc 163 rotates along with the grinding cylinder 16, the guiding protrusion 1632 moves up and down along the guiding groove 221 and extrudes the second spring 1633, so that the second spring 1633 is compressed to generate the elastic force, and the guiding protrusion 1632 drives the grinding disc 163 to go up and down, thereby releasing the stuck.

In this embodiment, the transmission device further includes a driven gear 192, an inner gear ring 184 and a transmission frame 18, the driven gear 192 is engaged with the driving gear 20 and the inner gear ring 184, and the transmission frame 18 is connected with the inner gear ring 184 and the grinding drum 16 to transmit the rotation of the driving gear 20 to the grinding drum 16 after changing the direction. In order to facilitate installation and motion transmission, the grinding cylinder 16 comprises a rotary cylinder and a sleeve which are sequentially connected up and down, the sleeve is installed on the shell and is rotatably connected with the shell, a flange 167 is arranged at the lower end of the sleeve, the sleeve is connected with the transmission frame 18 through the flange 167, the main shaft 22 penetrates through the driving gear 20, the transmission frame 18, the flange 167 and the sleeve, then extends into the rotary cylinder and is connected with the grinding disc 163, and the grinding device is compact in structure, stable and reliable.

In the present embodiment, the first grinding structure includes first inner grinding teeth 141 provided to protrude from the inner peripheral wall surface of the grinding stone 14 and first outer grinding teeth 161 provided to protrude from the outer peripheral wall surface of the grinding cylinder 16; the second grinding structure includes second inner grinding teeth 166 provided to protrude from the inner peripheral wall surface of the grinding cylinder 16 and second outer grinding teeth 165 provided to protrude from the outer peripheral wall surface of the grinding disk 163. The upper surface of the grinding disk 163 is uniformly provided with a plurality of grinding pendulums 164 along the circumferential direction thereof. Set up to grind the tooth and can make to grind more abundant, set up and grind pendulum 164, can further smash the rubbish that gets into grinding vessel 16 to the swing through grinding pendulum 164 is convenient to be ground crushing with rubbish push into the second grinding structure.

In this embodiment, the casing includes barrel 13, grinding component is located barrel 13, the bottom of going up barrel 13 has the guide platform 132 that the slope set up, the slag notch is connected to the low point department of guide platform 132, the cover is equipped with row stub bar 131 on the slag notch, arrange the indoor blow off pipe of stub bar 131 intercommunication, the residue after grinding through first grinding structure directly falls into guide platform 132, the rubbish that grinds through the second grinding structure falls into guide platform 132 through the through-hole of grinding barrel 16 bottom, and discharge the blow off pipe through row stub bar 131. In order to facilitate the positioning and installation of the grinding rack 14, the inner peripheral wall surface of the upper barrel 13 is provided with a protruding ring, the upper surface of the ring is provided with a positioning table 133, the lower surface of the grinding rack 14 is provided with a positioning groove, the grinding rack 14 is positioned in the positioning groove through the positioning table 133, the upper end of the grinding rack 14 is provided with an outward turning edge, the outward turning edge is positioned between the top cover 11 and the upper barrel 13, and the grinding rack 14 is connected with the top cover 11 and the upper barrel 13 through the top cover 11, the outward turning edge and the upper barrel 13 by bolts.

In this embodiment, the housing further comprises a top cover 11 located above the upper cylinder 13 and a lower cylinder 17 located below the upper cylinder 13, and the feed port 12 is located at the upper end of the top cover 11. The transmission sets up in the inside of barrel 17 down, and transmission is still including installing in the bearing frame platform 19 of barrel 17 inner peripheral wall face down, and driving gear 20, driven gear 192, internal gear ring 184 and transmission frame 18 are all installed in bearing frame platform 19, and main shaft 22 passes bearing frame platform 19 and rotates with bearing frame platform 19 to be connected, and transmission frame 18 cover is established in the upper end of bearing frame platform 19 and is rotated with bearing frame platform 19 and be connected. Specifically, the driven gear 192 is mounted to the rack base 19 through a rotating shaft, and the rotating shaft and the rack base 19 are connected through a bearing 191 to reduce frictional resistance during rotation.

In this embodiment, a driving motor 21 is further provided inside the lower cylinder 17, the driving motor 21 is located below the pedestal 19, and an output shaft of the driving motor 21 is connected to the main shaft 22.

With the above embodiment, the working process of the drainage system of the present invention is as follows: domestic sewage and garbage are discharged into the garbage disposer 100 from the water tank sewer pipe 200 and the ground small water pipe 300, the garbage disposer 100 crushes and grinds the garbage in the mixed sewage, and the sewage pretreated by the garbage disposer 200 is discharged through the sewage discharge pipeline 400.

The use principle and the working process of the garbage disposer 100 in the invention are as follows: the driving motor 21 is started, the spindle 22 drives the grinding disk 163 to rotate, and simultaneously the spindle 22 drives the grinding cylinder 16 to rotate reversely relative to the grinding disk 163 through the transmission device.

Domestic sewage and garbage enter the upper barrel body 13 through the feeding hole 12 and are filtered by the filter screen 15, part of the filtered garbage falls into the first grinding structure for grinding, part of the ground garbage directly falls into the material guide table 132, and the rest of the garbage enters the grinding barrel 16 through the material guide hole 162 and is ground through the second grinding structure; meanwhile, the rest part of the garbage filtered by the filter screen 15 directly enters the grinding cylinder 16 and is ground by the second grinding structure, and the ground garbage falls to the material guide table 132 through a through hole at the bottom of the grinding cylinder 16 and is discharged into the sewage discharge pipeline 400 through the material discharge head 131.

When the first grinding structure is stuck, the load of the driving gear 20 is increased, and the main shaft 22 is difficult to drive the driving gear to rotate, so that the driving block 202 gradually exits from the driving groove 222, and further the grinding cylinder 16 rotates along with the grinding disc 163 due to the friction force of the second grinding structure, so that the stuck is released, until the main shaft 22 rotates for a circle, the driving block 202 is stuck into the driving groove 222 again, and normal grinding is performed.

When the second grinding structure is stuck, the grinding cylinder 16 drives the grinding disc 163 to rotate together due to the friction effect, when the grinding disc 163 rotates along with the grinding cylinder 16, the guide protrusion 1632 moves up and down along the guide groove 221 and presses the second spring 1633, so that the second spring 1633 is compressed to generate elastic force, the guide protrusion 1632 drives the grinding disc 163 to lift, and the second outer grinding teeth 165 and the second inner grinding teeth 166 of the second grinding structure are dislocated, thereby realizing the stuck releasing.

When the two parts are stuck at the same time, the load of the first gear 20 is increased, so that the driving block 202 is retreated from the driving groove 222, the grinding cylinder 16 stops rotating, the grinding disc 163 stops rotating and slides up and down, and the sticking of the second grinding structure is relieved. After the second grinding structure is released from being stuck, the grinding cylinder 16 rotates along with the grinding disc 163 to release the first grinding structure from being stuck.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a sewage preliminary treatment type green building drainage system which characterized in that: the garbage disposer comprises a water tank sewer pipe, a ground sewer pipe, a garbage disposer and a sewage discharge pipeline, wherein the garbage disposer comprises a shell, a feed inlet is arranged at the upper end of the shell, a slag outlet is arranged on the side wall of the shell, the feed inlet is connected with outlets of the water tank sewer pipe and the ground sewer pipe, and the slag outlet is connected with the sewage discharge pipeline; the garbage disposer further comprises:

a spindle vertically disposed inside the housing;

2. The sewage pretreatment type green building drainage system according to claim 1, wherein: the garbage disposer also comprises a filter screen, wherein the filter screen is positioned below the feed inlet and above the first grinding structure, and the filter screen is configured to filter kitchen garbage, guide part of the garbage into the first grinding mechanism and guide the rest of the garbage into an upper opening of the grinding cylinder; the average particle size of the part of the garbage is larger than that of the rest part of the garbage;

3. The sewage pretreatment type green building drainage system according to claim 2, wherein: the lower end of the guide inclined plane inclines towards the guide hole so as to guide part of the garbage ground by the first grinding structure into the guide hole, the blanking plane and the outer peripheral wall surface of the grinding cylinder form a blanking channel, the rest part of the garbage ground by the first grinding structure falls through the blanking channel, and the average particle size of the rest part of the garbage ground by the first grinding structure is larger than that of the rest part of the garbage ground by the first grinding structure.

4. The sewage pretreatment type green building drainage system according to claim 2, wherein: the filter screen comprises a screen plate and a plurality of frame rods uniformly distributed on the outer periphery of the screen plate, the middle part of the screen plate is arched upwards, part of garbage falls into the grinding cylinder after being filtered by the screen plate, and the rest of garbage slides from the screen plate and falls into the first grinding structure.

5. The sewage pretreatment type green building drainage system according to claim 1, wherein: the transmission device comprises a driving gear, and the driving gear is connected with the main shaft through the first connecting structure;

6. The sewage pretreatment type green building drainage system according to claim 1, wherein: the second connection structure includes the guide groove, leads a protruding, second spring and locating plate, the guide groove is the curve form and end to end follows the outer peripheral wall of main shaft sets up a week, it is protruding to lead a protruding outstanding inner peripheral wall setting of abrasive disc, just it is protruding to lead a position to be located the guide inslot, the locating plate with main shaft fixed connection, the vertical setting of second spring is in the abrasive disc with between the locating plate.

7. The sewage pretreatment type green building drainage system according to claim 5, wherein: the transmission device further comprises a driven gear, an inner gear ring and a transmission frame, the driven gear is meshed with the driving gear and the inner gear ring, and the transmission frame is connected with the inner gear ring and the grinding cylinder so as to transmit the driving gear to the grinding cylinder after the rotation of the driving gear changes the direction.

8. The sewage pretreatment type green building drainage system according to claim 1, wherein: the first grinding structure comprises first inner grinding teeth protruding out of the inner peripheral wall surface of the grinding frame and first outer grinding teeth protruding out of the outer peripheral wall surface of the grinding cylinder;

9. The sewage pretreatment type green building drainage system according to claim 7, wherein: the housing comprises an upper cylinder, and the grinding assembly is positioned in the upper cylinder; go up the guide table that the bottom of barrel has the slope to set up, the low point department of guide table connects the slag notch, the cover is equipped with row stub bar on the slag notch.

10. The sewage pretreatment type green building drainage system according to claim 9, wherein: the shell further comprises a top cover positioned above the upper barrel and a lower barrel positioned below the upper barrel, and the feed inlet is positioned at the upper end of the top cover;