CN111677877B

CN111677877B - Convenient and fast sewage draining valve for canteen

Info

Publication number: CN111677877B
Application number: CN202010547124.7A
Authority: CN
Inventors: 不公告发明人
Original assignee: Xiangshui Gesiqi Technology Co ltd
Current assignee: Xiangshui Gesiqi Technology Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-11-12
Anticipated expiration: 2040-06-16
Also published as: CN111677877A

Abstract

The invention relates to the technical field of valves, in particular to a convenient and fast sewage discharge valve for a canteen, which comprises a valve body, a connecting structure, a sealing structure, an adjusting structure, a treading structure and a filtering structure, wherein the valve body is provided with a valve seat; connection structure's setting, realization valve body that can be quick is fixed with being connected of the lower water of the vegetable washing pond bottom of different diameters, seal structure's setting, conveniently realize the leakproofness between valve body and the lower water, the condition of preventing to leak, setting through trampling the structure, can control the emission of the inside sewage of vegetable washing pond with the foot, thereby do not need the people hand to control the emission of the inside sewage of vegetable washing pond, can enough liberate the both hands, make the both hands can act on other work, can also avoid the secondary pollution of hand, thereby can improve the cleaning nature of wasing the vegetable, and when trampling the structure and carrying out work, can also act on filtration, setting through filtration, can intercept the inside garrulous vegetable leaf of vegetable washing water and filter, thereby can avoid the condition that garrulous vegetable leaf blockked up the sewer.

Description

Convenient and fast sewage draining valve for canteen

Technical Field

The invention relates to the technical field of valves, in particular to a convenient and fast sewage discharge valve for a canteen.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are further classified into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316, etc.), chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, etc. according to the material.

Generally also can install the sewage discharge valve on the sewage pipes in the vegetable washing pond in dining room and be used for controlling the sewage discharge in vegetable washing pond, but general sewage discharge valve all needs the manual break-make that comes control flap, but general both hands all need take the dish when washing the dish, inconvenient control flap with the hand, and go the touching valve with the hand again after washing because the dish, probably cause the secondary pollution of hand, seriously influence the cleanliness factor of dish, and the garrulous vegetable leaf in the vegetable washing sewage also can discharge along with sewage, cause the jam of sewer easily.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a convenient and fast sewage discharge valve for a canteen.

The technical scheme adopted by the invention for solving the technical problems is as follows: a convenient and fast sewage discharge valve for a canteen comprises a valve body, a connecting structure, a sealing structure, an adjusting structure, a treading structure and a filtering structure, wherein the connecting structure used for connecting and fixing the valve body and sewage in a vegetable washing basin is arranged at one end of the valve body which is used for fixing and installing other parts; the valve body is provided with the sealing structure for compensating and sealing the gap between the valve body and the sewer, and one end of the valve body, which is far away from the connecting structure, is provided with the adjusting structure for supporting the valve body; the interior installation of valve body is used for controlling sewage discharge trample the structure trample the one end installation of structure be used for intercepting filterable debris in the sewage the filtration.

Specifically, connection structure is equipped with two sets ofly, and is two sets of connection structure all includes stand, fixed plate, locking screw, splint, rubber pad and bearing, two the stand is the equal vertical fixation of parallel relation the one end of valve body, two the stand deviates from the one end of valve body is all fixed the fixed plate the inside of fixed plate is run through locking screw, just locking screw with fixed plate threaded connection locking screw's one end is fixed the bearing the external fixation of bearing is the arc structure splint, just splint pass through the bearing with locking screw rotates to be connected splint deviate from the one end of locking screw is glued the rubber pad.

Specifically, the sealing structure comprises a rotating sleeve, a fixing ring, a fixing sleeve, a pressing plate, a sealing ring, an air storage groove, an air passage, an air pipe, a piston and a first spring, the rotating sleeve is in an annular structure and is in threaded connection with the outside of the valve body, one end of the rotating sleeve is fixedly provided with the fixing ring in the annular structure, the outside of the valve body is fixedly provided with the fixing sleeve in the annular structure, the air storage groove is in sliding connection with the pressing plate in the annular structure, one end of the pressing plate is glued and is in the annular structure, the piston is in sliding connection with the air storage groove, the valve body is fixedly provided with the sealing ring in the annular structure and is hollow inside, the air passage is arranged in the valve body, and the air passage is communicated with the sealing ring, the air passage is communicated with the inside of the air storage groove through the air pipe, and the first spring is clamped and fixed between the piston and the fixed sleeve.

Specifically, the adjusting structure comprises a guide sleeve, a guide pillar, a base, an adjusting screw, an adjusting nut, a crank, a first gear and a second gear, the guide sleeve is fixed at the bottom of the outer part of the valve body, the guide pillar is connected inside the guide sleeve in a sliding manner, the base is fixed at one end of the guide pillar, the adjusting screw is connected at one end of the base in a rotating manner, the adjusting nut is fixed at one end of the valve body, which is far away from the guide sleeve, the adjusting screw penetrates through the adjusting nut and is in threaded connection with the adjusting nut, the first gear is fixed outside the adjusting screw and is in rotating connection with the base, the crank is connected at one end of the base in a rotating manner, the second gear is fixed outside the crank, the second gear is in rotating connection with the base, and the first gear is meshed with the second gear, and the outer diameter of the first gear is larger than the outer diameter of the second gear.

Specifically, trample the structure and include outlet pipe, spring holder, second spring, dead lever, slide bar, fixation nut, footboard, case and delivery port, the outlet pipe is the slope form and is fixed in the outside lateral wall of valve body the inside sliding connection of valve body has the spring holder with the centre gripping is fixed between the valve body the second spring the one end of spring holder is fixed the case, just the case with valve body sliding connection the valve body is close to the one end of outlet pipe is equipped with the delivery port the one end of spring holder is fixed the dead lever runs through on the dead lever the slide bar, just the slide bar with dead lever sliding connection threaded connection has two on the slide bar fixation nut the one end of slide bar is fixed the footboard.

Specifically, filtration includes rose box, blow off pipe, filter screen, horizontal pole, feed inlet, bracing piece, connecting rod, spacing dish and mounting nut, the rose box is fixed in the outlet pipe deviates from the one end of valve body the bottom mounting of rose box the blow off pipe the inside sliding connection of rose box has the filter screen the lateral wall of filter screen is equipped with the feed inlet the one end of dead lever is the vertical relation and fixes the horizontal pole the one end of horizontal pole is the vertical relation and fixes the connecting rod the one end of filter screen is the vertical relation and fixes the bracing piece, just the bracing piece with rose box sliding connection the external fixation of connecting rod spacing dish, the bracing piece passes through mounting nut with the connection can be dismantled to the connecting rod.

The invention has the beneficial effects that:

(1) the convenient and fast type pollution discharge valve for the canteen can quickly realize the connection and fixation of the valve body and the sewage at the bottom end of the vegetable washing ponds with different diameters through the arrangement of the connecting structure, thereby preventing the valve body from shaking and falling off in the using process, can conveniently realize the tightness between the valve body and the sewage and prevent water leakage through the arrangement of the sealing structure, and can also play a further fixation role, namely, when in use, the valve body is sleeved outside the sewage pipeline, then two locking screws can be synchronously rotated by two hands, as the two locking screws which are in symmetrical relation are respectively in threaded connection with the two fixed plates, the mutual approaching of the two clamping plates can be realized when the two locking screws are rotated, and as the two clamping plates which are in arc structures are respectively in rotational connection with the locking screws through the two bearings, therefore, the locking screw can be ensured to rotate, the clamp can be used for clamping and fixing the launching water, so that the connection fixity of the valve body and the launching water is increased, the situation that the valve body shakes and falls off during working is avoided, after the valve body and the launching water are fixed, the rotating sleeve can be rotated, and as the rotating sleeve is in threaded connection with the outer part of the valve body, the rotating sleeve can slide downwards when rotating, and as the fixing ring in an annular structure is fixed at the bottom end of the rotating sleeve, the fixing ring can move downwards along with the rotating sleeve, when the fixing ring moves to be in contact with the pressing plate in the fixing sleeve in a sliding connection manner, the pressing plate and the piston can be driven to slide towards the inside of the fixing sleeve, and as the air storage groove in an annular structure is arranged in the fixing sleeve, the piston can downwards slide to extrude the air in the air storage groove into the sealing ring through an air pipe and an air passage, and the sealing ring can be inflated and expanded slowly, the gap between the valve body and the lower water can be slowly filled, so that the water leakage between the valve body and the lower water can be effectively avoided, the valve body and the lower water can be further fixed through inflation and expansion of the sealing ring, and the valve body and the lower water are more firmly fixed.

(2) The convenient and fast canteen sewage valve has the advantages that through the arrangement of the adjusting structure, the valve body can be fixed and supported, the valve body can be suitable for different working environments, the application range of the valve body can be greatly enlarged, the applicability of the valve body is increased, namely when the distance between the base and the valve body needs to be adjusted, only the crank needs to be rotated, because the second gear is fixed outside the crank, the second gear is fixed outside the adjusting screw rod, and the first gear is meshed with the second gear, namely when the crank is rotated, the rotation of the adjusting screw rod can be realized, because the adjusting screw rod is in threaded connection with the adjusting nut fixed on the bottom side outside the valve body, and the distance between the valve body and the base can be adjusted through the guide limiting effect of the guide pillar fixed at one end of the base and the guide sleeve fixed outside the valve body when the crank is rotated, thereby can be convenient for be applicable to different operational environment and working height, and because the outside diameter of first gear is less than the outside diameter of second gear, drive the effect of gear wheel province through the pinion, can play the effect of province, the distance adjustment between the valve body of being convenient for and the base.

(3) The convenient and fast sewage discharge valve for the canteen can control the discharge of sewage in the vegetable washing pool by feet through the arrangement of the treading structure, so that the discharge of the sewage in the vegetable washing pool is controlled without hands, both hands can be liberated to enable the both hands to act on other work, secondary pollution of the hands can be avoided, the cleanness of washed vegetables can be improved, the treading structure can act on the filtering structure while working, the arrangement of the filtering structure can intercept and filter the broken vegetable leaves in the vegetable washing water, the situation that the broken vegetable leaves block a sewer can be avoided, namely, when the vegetable washing water in the vegetable washing pool needs to be discharged, only the treading is needed, because the slide bar of the fixed treading plate can adjust the position on the fixed bar through two fixing nuts, the position of the treading plate can be adjusted according to needs, the pedal is convenient to trample, when the pedal is trampled, the spring seat fixed with the fixed rod can be driven to slide through the slide rod, the valve core for sealing is fixed with the spring seat, the valve core can slide along with the spring seat, when the valve core slides to a position no longer blocking a water outlet on the valve body, sewage can be discharged from the water outlet at the moment, the sewage can be discharged without the participation of hands, only the feet are needed to trample, so that both hands can be liberated, so that the both can act on other works, and because the whole process does not need the contact of the hands, the secondary pollution of the hands can be avoided, so that the cleanness of dishes can be increased, because the support rod for fixing the filter box is fixed with the connecting rod fixed on the cross rod through the mounting nut, namely the mounting nut is in threaded connection with the connecting rod, the filter screen can be conveniently lifted to dump garbage, and because the cross rod is fixedly connected with the fixed rod, when trampling the footboard promptly, also can drive the filter screen gliding, just can realize just in the twinkling of an eye the gliding of filter screen and opening of delivery port, the filter screen will slide to the inside bottom of rose box this moment, the inside sewage of outlet pipe will get into the inside of filter screen from the feed inlet this moment, rubbish will be collected by the filter screen this moment, sewage will be followed the blow off pipe and discharged to can avoid rubbish to block up sewer pipe.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a structural view illustrating an overall structure of a preferred embodiment of a waste valve for a portable canteen according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic structural view of the connection structure shown in FIG. 1;

FIG. 4 is a schematic view of the structure of the tread structure shown in FIG. 1;

FIG. 5 is a schematic structural view of the adjustment mechanism shown in FIG. 1;

FIG. 6 is an enlarged view of the portion B shown in FIG. 1;

fig. 7 is an enlarged view of the portion C shown in fig. 4.

In the figure: 1. valve body, 2, connecting structure, 21, upright post, 22, fixing plate, 23, locking screw, 24, clamping plate, 25, rubber pad, 26, bearing, 3, sealing structure, 31, rotating sleeve, 32, fixing ring, 33, fixing sleeve, 34, pressing plate, 35, sealing ring, 36, air storage tank, 37, air channel, 38, air pipe, 39, piston, 39a, first spring, 4, adjusting structure, 41, guide sleeve, 42, guide post, 43, base, 44, adjusting screw, 45, adjusting nut, 46, crank, 47, first gear, 48, second gear, 5, trampling structure, 51, water outlet pipe, 52, spring seat, 53, second spring, 54, fixing rod, 55, sliding rod, 56, fixing nut, 57, pedal, 58, valve core, 59, water outlet, 6, filtering structure, 61, filtering box, 62, sewage pipe, 63, filtering net, 64, cross rod, 65, air outlet, filtering structure, filtering box, 62, sewage pipe, filtering net, and filtering net, Feed inlet, 66, bracing piece, 67, connecting rod, 68, spacing dish, 69, mounting nut.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-7, the convenient and fast drain valve for a canteen comprises a valve body 1, a connecting structure 2, a sealing structure 3, an adjusting structure 4, a stepping structure 5 and a filtering structure 6, wherein the connecting structure 2 for connecting and fixing the valve body 1 and a sewer of a vegetable washing sink is arranged at one end of the valve body 1 for fixing and installing other parts; the sealing structure 3 for compensating and sealing the gap between the valve body 1 and the sewer is arranged on the valve body 1, and the adjusting structure 4 for supporting the valve body 1 is arranged at one end of the valve body 1, which is far away from the connecting structure 2; the inside installation of valve body 1 is used for controlling the sewage discharge trample structure 5 trample the one end installation of structure 5 and be used for intercepting filterable debris in the sewage filtration 6.

Specifically, the connection structure 2 is provided with two sets, two sets of the connection structure 2 respectively include a stand column 21, a fixing plate 22, a locking screw 23, a clamping plate 24, a rubber pad 25 and a bearing 26, two stand columns 21 are parallel and are perpendicularly fixed at one end of the valve body 1, two ends of the stand columns 21 departing from the valve body 1 are respectively fixed on the fixing plate 22, the locking screw 23 is penetrated inside the fixing plate 22, the locking screw 23 is in threaded connection with the fixing plate 22, one end of the locking screw 23 is fixed on the bearing 26, the clamping plate 24 with an arc-shaped structure is fixed outside the bearing 26, the clamping plate 24 is rotatably connected with the locking screw 23 through the bearing 26, one end of the clamping plate 24 departing from the locking screw 23 is glued with the rubber pad 25, when in use, the valve body 1 is firstly sleeved outside the sewer pipe, then can use both hands to rotate two in step locking screw 23, because two are the symmetric relation locking screw 23 respectively with two fixed plate 22 threaded connection, consequently rotating two can realize two during locking screw 23 splint 24 be close to each other, and because two are the arc structure splint 24 are respectively through two bearing 26 with locking screw 23 rotates to be connected, consequently, can guarantee rotating locking screw 23, press from both sides, 24 carry out the centre gripping with launching fixedly, thereby increase the valve body 1 is with the fixity of being connected of launching, avoids valve body 1 appears rocking and the condition that drops at the during operation.

Specifically, seal structure 3 includes rotating sleeve 31, fixed ring 32, fixed cover 33, clamp plate 34, sealing washer 35, gas storage tank 36, air flue 37, trachea 38, piston 39 and first spring 39a, is the loop configuration change sleeve 31 threaded connection in the outside of valve body 1 the fixed ring 32 that is the loop configuration of one end of rotating sleeve 31 the fixed ring 33 that is the loop configuration of the outside of valve body 1 the fixed cover 33 that is the loop configuration the inside of fixed cover 33 is equipped with the gas storage tank 36 that is the loop configuration the inside sliding connection of gas storage tank 36 has the clamp plate 34 that is the loop configuration the cementation of one end of clamp plate 34 is the loop configuration piston 39, just piston 39 sliding connection in the inside of gas storage tank 36 the inside of valve body 1 is fixed and is the loop configuration and inside hollow sealing washer 35, the air passage 37 is arranged in the valve body 1, the air passage 37 is communicated with the sealing ring 35, the air passage 37 is communicated with the air storage tank 36 through the air pipe 38, the first spring 39a is clamped and fixed between the piston 39 and the fixing sleeve 33, the rotating sleeve 31 can be rotated after the valve body 1 is fixed with sewage, the rotating sleeve 31 is connected with the outer thread of the valve body 1, the rotating sleeve 31 can slide downwards when rotating, the fixing ring 32 in an annular structure is fixed at the bottom end of the rotating sleeve 31, the fixing ring 32 can move downwards along with the rotating sleeve 31, and when the fixing ring moves to the pressing plate 34 which is in abutting sliding connection with the inside of the fixing sleeve 33, the pressing plate 34 and the piston 39 can be driven to slide towards the inside of the fixing sleeve 33, because the inside of fixed cover 33 is equipped with and is the loop configuration gas storage tank 36, piston 39 slides down just can with the inside gas of gas storage tank 36 passes through trachea 38 with air flue 37 extrudes into the inside of sealing washer 35, this moment sealing washer 35 will slowly inflate the inflation, just can slow will clearance between valve body 1 and the offal is filled to can effectively avoid the condition of leaking between valve body 1 and the offal, and pass through the inflation of sealing washer 35 can also further with valve body 1 is fixed with the offal, makes valve body 1 is fixed more firmly with the offal.

Specifically, the adjusting structure 4 includes a guide sleeve 41, a guide post 42, a base 43, an adjusting screw 44, an adjusting nut 45, a crank 46, a first gear 47 and a second gear 48, the guide sleeve 41 is fixed at the bottom end of the exterior of the valve body 1, the guide post 42 is slidably connected inside the guide sleeve 41, the base 43 is fixed at one end of the guide post 42, the adjusting screw 44 is rotatably connected at one end of the base 43, the adjusting nut 45 is fixed at the end of the valve body 1 away from the guide sleeve 41, the adjusting screw 44 penetrates through the adjusting nut 45 and is in threaded connection with the adjusting nut 45, the first gear 47 is fixed outside the adjusting screw 44, the first gear 47 is rotatably connected with the base 43, the crank 46 is rotatably connected at one end of the base 43, and the second gear 48 is fixed outside the crank 46, the second gear 48 is rotatably connected to the base 43, the first gear 47 is engaged with the second gear 48, and the outer diameter of the first gear 47 is greater than the outer diameter of the second gear 48, when the distance between the base 43 and the valve body 1 needs to be adjusted, only the crank 46 needs to be rotated, since the second gear 48 is fixed to the outer portion of the crank 46, the second gear 48 is fixed to the outer portion of the adjusting screw 44, and the first gear 47 is engaged with the second gear 48, that is, when the crank 46 is rotated, the rotation of the adjusting screw 44 can be realized, since the adjusting screw 44 is in threaded connection with the adjusting nut 45 fixed to the outer bottom side of the valve body 1, and by the guide post 42 fixed to one end of the base 43 and the guide sleeve 41 fixed to the outer portion of the valve body 1, can guarantee, rotate during the crank 46, realize the valve body 1 with distance adjustment between the base 43 to can be convenient for be applicable to different operational environment and operating height, and because the outside diameter of first gear 47 is less than the outside diameter of second gear 48 drives the effect of gear wheel province through the pinion, can play the effect of province, is convenient for the valve body 1 with distance adjustment between the base 43.

Specifically, the stepping structure 5 includes a water outlet pipe 51, a spring seat 52, a second spring 53, a fixing rod 54, a sliding rod 55, fixing nuts 56, a pedal 57, a valve core 58 and a water outlet 59, the water outlet pipe 51 is fixed to an outer side wall of the valve body 1 in an inclined manner, the spring seat 52 is slidably connected to an inner portion of the valve body 1, the second spring 53 is clamped and fixed between the spring seat 52 and the valve body 1, the valve core 58 is fixed to one end of the spring seat 52 and slidably connected to the valve body 1, the water outlet 59 is arranged at an end of the valve body 1 close to the water outlet pipe 51, the fixing rod 54 is fixed to one end of the spring seat 52, the sliding rod 55 penetrates through the fixing rod 54, the sliding rod 55 is slidably connected to the fixing rod 54, the sliding rod 55 is threadedly connected to two fixing nuts 56, the pedal 57 is fixed at one end of the slide rod 55, when the vegetable washing water in the vegetable washing pool needs to be discharged, only the pedal 57 needs to be stepped, because the slide rod 55 fixing the pedal 57 can adjust the position on the fixing rod 54 through the two fixing nuts 56, the position of the pedal 57 can be adjusted as required, the pedal is convenient to step, when the pedal 57 is stepped, the slide rod 55 can drive the spring seat 52 fixed with the fixing rod 54 to slide, because the valve core 58 for sealing is fixed with the spring seat 52, the valve core 58 can slide along with the spring seat 52, when the valve core 58 slides to no longer block the water outlet 59 on the valve body 1, the sewage can be discharged from the water outlet 59, and the sewage discharge process does not need the participation of hands, only need the foot step on can to can liberate both hands, make both hands can act on other work, and because whole journey does not need the contact of hand, can avoid the secondary pollution of hand, thereby can increase the cleaning nature of vegetable.

Specifically, the filtering structure 6 comprises a filtering box 61, a drainage pipe 62, a filtering net 63, a cross rod 64, a feeding hole 65, a supporting rod 66, a connecting rod 67, a limiting disc 68 and a mounting nut 69, wherein the filtering box 61 is fixed at one end of the water outlet pipe 51 deviating from the valve body 1, the bottom end of the filtering box 61 is fixed with the drainage pipe 62, the filtering net 63 is connected with the filtering box 61 in a sliding manner, the side wall of the filtering net 63 is provided with the feeding hole 65, one end of the fixing rod 54 is fixed with the cross rod 64 in a vertical relationship, one end of the cross rod 64 is fixed with the connecting rod 67 in a vertical relationship, one end of the filtering net 63 is fixed with the supporting rod 66 in a vertical relationship, the supporting rod 66 is connected with the filtering box 61 in a sliding manner, the limiting disc 68 is fixed outside the connecting rod 67, the supporting rod 66 is detachably connected with the connecting rod 67 through the mounting nut 69, since the support rod 66 fixing the filter box 61 is fixed to the connection rod 67 fixed to the cross bar 64 by the mounting nut 69, that is, the mounting nut 69 is screwed with the connecting rod 67, so that the filter net 63 can be lifted for dumping garbage, and since the cross rod 64 is fixedly connected with the fixing rod 54, step on promptly when footboard 57, also can drive filter screen 63 gliding, just can realize in the twinkling of an eye filter screen 63's gliding with opening of delivery port 59, at this moment filter screen 63 will slide extremely the inside bottom of rose box 61, at this moment the inside sewage of outlet pipe 51 will be followed feed inlet 65 gets into the inside of filter screen 63, rubbish will be followed at this moment the filter screen 63 is collected, and sewage will be followed blow off pipe 62 discharges to can avoid rubbish to block up sewer pipe.

When the valve body 1 is used, the valve body 1 is firstly sleeved outside a sewer pipe, then two locking screw rods 23 can be synchronously rotated by two hands, as the two locking screw rods 23 which are in a symmetrical relation are respectively in threaded connection with the two fixing plates 22, the two clamping plates 24 can be mutually close when the two locking screw rods 23 are rotated, and as the two clamping plates 24 which are in an arc-shaped structure are respectively in rotational connection with the locking screw rods 23 through the two bearings 26, the clamping and fixing of the sewer can be ensured by rotating the locking screw rods 23, so that the connection fixity of the valve body 1 and the sewer is increased, the situation that the valve body 1 shakes and falls off during working is avoided, after the valve body 1 and the sewer are fixed, the rotating sleeve 31 can be rotated, and as the rotating sleeve 31 is in threaded connection with the outside of the valve body 1, therefore, when the rotating sleeve 31 is rotated, the downward sliding of the rotating sleeve 31 can be realized, because the bottom end of the rotating sleeve 31 is fixed with the fixing ring 32 which is in an annular structure, the fixing ring 32 can move downward along with the rotating sleeve 31, when the fixing ring moves to abut against the pressing plate 34 which is slidably connected inside the fixing sleeve 33, the pressing plate 34 and the piston 39 can be driven to slide towards the inside of the fixing sleeve 33, because the air storage tank 36 which is in an annular structure is arranged inside the fixing sleeve 33, the piston 39 can be pushed into the sealing ring 35 through the air pipe 38 and the air passage 37 by sliding downward, at the moment, the sealing ring 35 can be slowly inflated and expanded, so that the gap between the valve body 1 and the sewer can be slowly filled, and the condition of water leakage between the valve body 1 and the sewer can be effectively avoided, the valve body 1 and the lower water can be further fixed through inflation and expansion of the sealing ring 35, so that the valve body 1 and the lower water are more firmly fixed; when the distance between the base 43 and the valve body 1 needs to be adjusted, only the crank 46 needs to be rotated, because the second gear 48 is fixed outside the crank 46, the second gear 48 is fixed outside the adjusting screw 44, and the first gear 47 is meshed with the second gear 48, that is, when the crank 46 is rotated, the rotation of the adjusting screw 44 can be realized, because the adjusting screw 44 is in threaded connection with the adjusting nut 45 fixed on the bottom side of the outside of the valve body 1, and through the guide post 42 fixed at one end of the base 43 and the guide sleeve 41 fixed outside the valve body 1, the distance between the valve body 1 and the base 43 can be adjusted when the crank 46 is rotated, thereby being convenient for being applicable to different working environments and working heights, moreover, as the outer diameter of the first gear 47 is smaller than that of the second gear 48, the small gear drives the big gear to save labor, so that the labor-saving effect can be achieved, and the distance between the valve body 1 and the base 43 can be conveniently adjusted; when the vegetable washing water in the vegetable washing pool needs to be discharged, only the pedal 57 needs to be stepped, the position of the pedal 57 can be adjusted as required due to the fact that the sliding rod 55 for fixing the pedal 57 can be adjusted on the fixing rod 54 through the two fixing nuts 56, the position of the pedal 57 can be adjusted as required, the pedal 57 can be conveniently stepped, when the pedal 57 is stepped, the sliding rod 55 can drive the spring seat 52 fixed with the fixing rod 54 to slide, the valve core 58 for sealing is fixed with the spring seat 52, the valve core 58 can slide along with the spring seat 52, when the valve core 58 slides to a position where the valve core does not block the water outlet 59 on the valve body 1, the sewage can be discharged from the water outlet 59, the sewage discharge process does not need the participation of hands, and only needs to be stepped by feet, so that both hands can be released, make both hands can act on other work, and because whole contact that does not need the hand, can avoid the secondary pollution of hand to can increase the cleaning nature of vegetable, because fixed the rose box 61 the bracing piece 66 passes through mounting nut 69 with fix on the horizontal pole 64 the connecting rod 67 is fixed, namely pass through mounting nut 69 with connecting rod 67 threaded connection, can be convenient for mention filter screen 63 and carry out dumping of rubbish, and because horizontal pole 64 with dead lever 54 fixed connection, promptly trample when footboard 57, also can drive filter screen 63 glides, just can realize in an instant the gliding of filter screen 63 with opening of delivery port 59, at this moment filter screen 63 will slide to the inside bottom of rose box 61, at this moment the inside sewage of outlet pipe 51 will be followed feed inlet 65 gets into the inside of filter screen 63, at this time, the garbage is collected by the filter screen 63, and the sewage is discharged from the sewage discharge pipe 62, so that the garbage can be prevented from blocking the sewer pipe.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a blowdown valve for portable dining room which characterized in that: the device comprises a valve body (1), a connecting structure (2), a sealing structure (3), an adjusting structure (4), a treading structure (5) and a filtering structure (6), wherein the connecting structure (2) used for connecting and fixing the valve body (1) and the sewer of a vegetable washing pool is arranged at one end of the valve body (1) which is used for fixing and installing other parts; the sealing structure (3) used for compensating and sealing the gap between the valve body (1) and the sewer is arranged on the valve body (1), and the adjusting structure (4) used for supporting the valve body (1) is arranged at one end of the valve body (1) away from the connecting structure (2); the stepping structure (5) for controlling the discharge of sewage is arranged in the valve body (1), and one end of the stepping structure (5) is provided with the filtering structure (6) for intercepting and filtering sundries in the sewage;

seal structure (3) is loop configuration including changeing cover (31), solid fixed ring (32), fixed cover (33), clamp plate (34), sealing washer (35), gas storage tank (36), air flue (37), trachea (38), piston (39) and first spring (39 a) change cover (31) threaded connection in the outside of valve body (1) change the one end of cover (31) and fix and be loop configuration gu fixed ring (32) the outside of valve body (1) is fixed and is loop configuration gu fixed cover (33) the inside of fixed cover (33) is equipped with and is loop configuration gas storage tank (36) the inside sliding connection of gas storage tank (36) has and is loop configuration clamp plate (34) the one end cementation of clamp plate (34) is loop configuration piston (39), just piston (39) sliding connection in the inside of gas storage tank (36), the sealing ring (35) which is in an annular structure and is hollow is fixed in the valve body (1), the air passage (37) is arranged in the valve body (1), the air passage (37) is communicated with the sealing ring (35), the air passage (37) is communicated with the inside of the air storage groove (36) through the air pipe (38), and the first spring (39 a) is clamped and fixed between the piston (39) and the fixed sleeve (33);

the trampling structure (5) comprises a water outlet pipe (51), a spring seat (52), a second spring (53), a fixing rod (54), a sliding rod (55), a fixing nut (56), a pedal (57), a valve core (58) and a water outlet (59), wherein the water outlet pipe (51) is obliquely fixed on the outer side wall of the valve body (1), the spring seat (52) is connected inside the valve body (1) in a sliding manner, the second spring (53) is clamped and fixed between the spring seat (52) and the valve body (1), the valve core (58) is fixed at one end of the spring seat (52), the valve core (58) is connected with the valve body (1) in a sliding manner, the water outlet (59) is arranged at one end, close to the water outlet pipe (51), of the valve body (1), and the fixing rod (54) is fixed at one end of the spring seat (52), the fixing rod (54) penetrates through the sliding rod (55), the sliding rod (55) is connected with the fixing rod (54) in a sliding mode, two fixing nuts (56) are connected to the sliding rod (55) in a threaded mode, and the pedal (57) is fixed to one end of the sliding rod (55);

the filtering structure (6) comprises a filtering box (61), a sewage discharge pipe (62), a filtering net (63), a cross rod (64), a feeding hole (65), a supporting rod (66), a connecting rod (67), a limiting disc (68) and a mounting nut (69), wherein the filtering box (61) is fixed at one end of the water outlet pipe (51) deviating from the valve body (1), the sewage discharge pipe (62) is fixed at the bottom end of the filtering box (61), the filtering net (63) is connected inside the filtering box (61) in a sliding manner, the feeding hole (65) is arranged on the side wall of the filtering net (63), the cross rod (64) is fixed at one end of the fixing rod (54) in a vertical relationship, the connecting rod (67) is fixed at one end of the cross rod (64) in a vertical relationship, the supporting rod (66) is fixed at one end of the filtering net (63) in a vertical relationship, and the support rod (66) is connected with the filter box (61) in a sliding manner, the limiting disc (68) is fixed outside the connecting rod (67), and the support rod (66) is detachably connected with the connecting rod (67) through the mounting nut (69).

2. The drain valve for the portable canteen according to claim 1, wherein: the connecting structure (2) is provided with two groups, two groups of the connecting structure (2) comprises a stand column (21), a fixing plate (22), a locking screw rod (23), a clamping plate (24), a rubber pad (25) and a bearing (26), the stand column (21) is parallel to and is perpendicularly fixed at one end of the valve body (1), the stand column (21) deviates from one end of the valve body (1) and is fixed at the fixing plate (22), the locking screw rod (23) penetrates through the fixing plate (22), the locking screw rod (23) is in threaded connection with the fixing plate (22), the bearing (26) is fixed at one end of the locking screw rod (23), the clamping plate (24) is of an arc-shaped structure and is fixed outside the bearing (26), and the clamping plate (24) is rotatably connected with the locking screw rod (23) through the bearing (26), and the rubber pad (25) is glued at one end of the clamping plate (24) departing from the locking screw rod (23).

3. The drain valve for the portable canteen according to claim 1, wherein: the adjusting structure (4) comprises a guide sleeve (41), a guide post (42), a base (43), an adjusting screw (44), an adjusting nut (45), a crank (46), a first gear (47) and a second gear (48), the guide sleeve (41) is fixed at the bottom end of the outer part of the valve body (1), the guide post (42) is connected in the guide sleeve (41) in a sliding manner, the base (43) is fixed at one end of the guide post (42), the adjusting screw (44) is connected at one end of the base (43) in a rotating manner, the adjusting nut (45) is fixed at one end of the valve body (1) departing from the guide sleeve (41), the adjusting screw (44) penetrates through the adjusting nut (45) and is in threaded connection with the adjusting nut (45), the first gear (47) is fixed at the outer part of the adjusting screw (44), and the first gear (47) is connected with the base (43) in a rotating manner, the crank (46) is rotatably connected to one end of the base (43), the second gear (48) is fixed outside the crank (46), the second gear (48) is rotatably connected with the base (43), the first gear (47) is meshed with the second gear (48), and the outer diameter of the first gear (47) is larger than that of the second gear (48).