14results about How to "Good drainage" patented technology

The present application relates to the technical field of roof and canopy drainage construction, and the roof drainage form is divided into free falling water and organized drainage method, wherein: the cast-in-situ concrete eaves gutter form is made together with the roof beam structure during the roof construction; the customized stainless steel U-shaped groove or the purchased finished product aluminum alloy and plastic eaves gutter must be installed and fixed on the canopy or sun room support structure. When the roof panel and canopy panel are more projected from the roof support structure, or the edge of the drip line is not provided with the cross beam, then the eaves gutter cannot be installed. The present application "a kind of eaves gutter installed on the edge of roof panel and canopy panel material" only needs to be installed on the edge of the roof and canopy panel drip line, and does not need to be connected and fixed with the structural components of the roof panel and canopy, and has the advantages of simple structure, wide application range, economy and practicality, and flexible installation.

This invention relates to the field of flood control manhole cover technology, and proposes an anti-clogging manhole cover for flood control emergency use in municipal engineering. The cover includes: a cover body with several vertically extending drainage windows; several flaps that open and close within the drainage windows, each flap having an upward-lifting portion. When the flap is open, the upward-lifting portion rotates to the top of the cover body and is tilted. Moving objects on the road press down on the flaps, causing them to close; a filter cover located below the upward-lifting portion, with an anti-clogging channel inside. When the flap is open, the upper part of the filter cover passes through the drainage windows and rotates to the top of the cover body, while the lower part of the filter cover is located inside the drainage windows or below the cover body; and an actuating element that drives the flaps to rotate and open. This technical solution solves the problem in the prior art where manhole covers in motor vehicle lanes cannot effectively participate in drainage during flood control emergencies, thus affecting traffic flow.

The utility model belongs to massage device technical field especially for a kind of foot adjustment massage device of push fit, including bath tank and baffle, the inboard of bath tank is fixed with baffle, the outside of bath tank is equipped with driving motor, and the output of driving motor is provided with synchronous assembly, and synchronous assembly includes three synchronous wheels and a synchronous belt.The foot adjustment massage device of push fit, hot water is poured into the inside of bath tank, driving motor is started, and foot presser plate is extruded and massaged to foot, and leg presser plate can be back and forth to push and extruded and massaged to calf part, so that people use foot adjustment massage device to massage, can be massaged to foot and calf part while foot soaking, rotate hand wheel two, and make butt joint block separate from slot, sewage in bath tank can be quickly discharged through slot at this time, so that foot adjustment massage device is convenient to easily drain after foot soaking massage.

This utility model discloses a multi-stage stepped cascading structure, including steps, an outlet at the other end of the flow guide channel, and a fixing bolt inserted and connected to the inner corner of the flow guide plate. Fixing bolt grooves are embedded and fixedly connected to the corners of the steps and their vertical sections. The fixing bolts are installed by inserting and connecting with the fixing bolt grooves. A buffer groove is provided at the connection between one side of the step and the upper end of the vertical section. This multi-stage stepped cascading structure can achieve double-layer arc-shaped flow guidance through the front side of the flow guide plate and the flow guide channel, and the flow is buffered by the buffer groove. Furthermore, the flow can be divided by the dividing block grid, resulting in better flow guidance. It can also be quickly and independently disassembled and installed using the fixing bolts and fixing bolt grooves, facilitating replacement and maintenance. The material of the flow guide plate provides efficient corrosion protection, and its transparent structure does not affect the appearance of the steps and their vertical sections. It is also lighter and easier to transport and use.

This application relates to a combined protection structure for treating unstable rock slopes, comprising multiple anti-slide piles anchored to the slope and a passive protective net. The anti-slide piles include a steel cage and a concrete layer. The passive protective net includes multiple columns and multiple protective net panels. The columns are all anchored to the lower edge of the slope and distributed along the length of the lower edge. The protective net panels are connected to at least two columns. This application can improve the treatment effect of unstable rock slopes and reduce the threat to buildings below.

The utility model discloses a kind of artificial stone laundry tubs of convenient drainage, it is related to laundry tub technical field, including laundry tub, the laundry tub includes scrubbing part and cleaning part, the cleaning part includes the water storage tank integrally formed with the laundry tub, the inner groove bottom of the water storage tank is close to the corner of the water storage tank and is provided with drain hole in corner place, the remaining three corners in the water storage tank gradually drop height to the drain and form a gentle slope, and the drain hole is located in the lowest place. The inner groove bottom of the water storage tank forms the inclined gentle slope, and the drain hole is arranged in the corner place at the lowest place, when the clothes are placed in the water storage tank, since the drain hole is arranged in the corner place, it is not easy to be blocked by clothes, and the setting of gentle slope can drain liquid into the drain hole, which is beneficial to drainage operation.

This invention relates to the field of air pollution control technology, specifically a high-temperature flue gas emission desulfurization and denitrification device, comprising a denitrification mechanism and a desulfurization mechanism. The denitrification mechanism employs a vacuum-jacketed mounting cylinder, which contains an array of denitrification arc-shaped guide holes and a combined denitrification module. The module includes a denitrification guide cylinder, an arc-shaped filter screen, and a limiting guide cylinder with oblique guide grooves, effectively expanding the catalytic area and uniformly distributing the flow. A back-blowing fan and an elastically limiting rotating guide plate are also included to achieve online vibration self-cleaning. The desulfurization mechanism introduces flue gas into the desulfurization mounting cylinder through a gradient annular guide cylinder and uniformly enlarging inlet holes from top to bottom, forming a gradient three-dimensional desulfurization. A bottom discharge drive and a spiral guide plate ensure uniform catalyst renewal. This device has a compact structure, excellent insulation and airflow organization, and solves problems such as ash accumulation and blockage, difficult maintenance, and low catalyst utilization in existing technologies, thus improving denitrification and desulfurization efficiency and continuous operation stability.

This utility model relates to the field of road engineering technology and discloses a frost heave and differential settlement control structure suitable for culvert sections in cold regions. The structure, from top to bottom, includes a roadbed, a fill matrix, a stepped aggregate layer, a stepped high-strength foamed concrete layer, and a culvert. A main drainage pipe is inclinedly arranged in the aggregate layer, and lateral drainage pipes are provided on both sides of the roadbed slopes to drain moisture from the roadbed. The high-strength foamed concrete layer is laid above and on both sides of the culvert, providing good thermal insulation to address freezing issues exacerbated by wind tunnel effects, and buffering the frost heave force of the surrounding soil to prevent direct frost heave force from causing compression damage to the culvert structure. This structure forms a multi-level stiffness transition from flexible to semi-rigid along the culvert transition section of the roadbed, reducing differential settlement and misalignment risks at the connection between the culvert and the roadbed, improving the overall stability of the roadbed and driving safety. The overall structure is reliable, easy to construct, and suitable for widespread application in cold regions.

The utility model relates to the technical field of medical equipment, in particular to a tympanic membrane ventilation pipe. The device is suitable for tympanic membrane catheterization. The tympanic membrane ventilation pipe comprises an inner claw, a pipe body and an outer claw, the pipe body is a hollow pipe, the two ends of the pipe body are fixedly connected with one end of the inner claw and one end of the outer claw respectively, and the other ends of the inner claw and the outer claw are free ends; the free end is made of memory alloy, is in a straightened state at the temperature of 0 DEG C and is in a bent state at the temperature of 20-40 DEG C. The structure is newly innovated, and an existing traditional indwelling catheter structure is changed. And the free ends of the inner claw and the outer claw are bent in a normal-temperature state through the memory alloy. The bending state of the inner claw and the outer claw achieves multi-point and internal and external bidirectional fixation, the bending state of the inner claw and the outer claw increases the supporting area and the supporting firmness, multi-point firm fixation of the eardrum in the ear is ensured, internal and external bidirectional fixation is achieved through bidirectional fixation of the inner claw and the outer claw, and the risk that the eardrum falls out of the auditory meatus and falls into the tympanic chamber is thoroughly solved.

The utility model discloses a kind of buried flat car parking lock, including pre-buried bucket, flat plate component, driving assembly, sensing component, conversion component, support component and control box;Pre-buried bucket is set below ground and both sides are fixed with baffle;Flat plate component rotation is set in pre-buried bucket middle part;Driving assembly is set in pre-buried bucket in flat plate component one side;Sensing component is set in pre-buried bucket in flat plate component other side, sensing component is used to detect whether there is vehicle parking and signal is sent to control box;Conversion component is set on pre-buried bucket in driving assembly top, conversion component is used to convert solar energy into electric energy and store into driving assembly;Support component is set between two baffle, and support component is used to assist rainwater to flow out and the drive of automobile wheel.

This utility model discloses a drainage structure for a tunnel invert arch, relating to the field of tunnel construction auxiliary devices. The utility model includes a water collection pipe arranged inside the invert arch, with a water gathering pipe connected to the outer arc side of the water collection pipe. Both ends of the water collection pipe are connected to water outlet pipes, which extend from the inner wall of the invert arch. A water collection sleeve is installed on the bottom inner wall of the invert arch, and the water outlet pipe communicates with the inner cavity of the water collection sleeve. A drain pipe is connected to the bottom end of the water collection sleeve, and the drain pipe extends from the bottom of the invert arch. This achieves the purpose of quickly deploying an efficient drainage structure during tunnel construction.

This utility model provides a double inward-opening aluminum-wood window and screen window. The inner cavity aluminum profile and the outer cavity aluminum profile of the inner sash are respectively connected to the inner and outer sides of the inner sash. The inner cavity aluminum profile and the outer cavity aluminum profile of the inner sash are connected. The inner cavity aluminum profile of the inner sash is connected to the inner cavity aluminum profile of the second outer frame, and the inner cavity aluminum profile of the second outer frame is connected to the inner cavity aluminum profile of the first outer frame. Connectors are provided on the inner cavity aluminum profile of the inner sash and the inner cavity aluminum profile of the first outer frame, and the inner cavity wood profile of the sash frame is connected to the connectors. The screen sash is set on the outer cavity aluminum profile of the outer frame, and the outer cavity aluminum profile of the outer frame is connected to the outer cavity aluminum profile of the inner sash. The inner cavity aluminum profile of the first outer frame is connected to the outer cavity aluminum profile of the outer frame. This utility model allows for the use of the same outer frame profile for both the aluminum-wood inward-opening window and the screen window to install hardware slots, and also allows for a double European standard C-slot combination (European standard C-slot plus European standard C-slot).

This invention discloses a fully premixed condensing steam boiler with anti-dry-burning and easy drainage design. The combustion heat exchange device includes an encapsulated shell, a burner, a high-temperature heat exchange module, a superheated heat exchange module, a condensing heat exchange module, and steam heat exchange pipelines. The steam heat exchange pipelines include a water inlet section, a condensing heat exchange section, an external connection section, a fluid heat exchange section, a high-temperature heat exchange section, and a steam outlet section connected in sequence. The external connection section is equipped with a circulating water pump and a drain valve. The steam outlet section is equipped with a steam backflow detection component. In this invention, the steam heat exchange pipelines do not have a looping path and do not have a "U"-shaped flow structure, allowing water inside the steam heat exchange pipelines to flow downwards and drain more smoothly. Drainage from two sections results in better drainage and reduces the likelihood of blockage. Furthermore, it can detect whether steam has returned to the high-temperature heat exchange section and promptly issue alarms and initiate shutdown operations to prevent dry burning.

This utility model relates to the field of fruit and vegetable peel and residue packaging technology, and discloses a fruit and vegetable peel and residue compression molding device, including a molding box. A mounting frame is fixedly connected to the left side of the top of the molding box, and a material box is installed at the top of the molding box. A second hydraulic cylinder is installed on the right side inside the molding box. This fruit and vegetable peel and residue compression molding device is equipped with an extrusion plate, a buffer plate, a buffer spring, a spring groove, a damper, and a connecting block. When the fruit and vegetable peel and residue needs to be compressed, the second hydraulic cylinder is activated. The second hydraulic cylinder drives the extrusion plate and the buffer plate to move to the left to compress the fruit and vegetable peel and residue, forming it. During compression, the buffer spring can cushion the impact force on the buffer plate through its own elasticity, protecting the extrusion plate and the second hydraulic cylinder. The spring groove and the connecting block can limit the buffer spring, solving the problem of inconvenient cushioning of the extrusion plate to reduce impact force, which easily affects the operation of the extrusion plate.