215 results about "Water tightness" patented technology

The invention relates to a door and window safety performance detection device for constructional engineering, and belongs to the technical field of constructional engineering detection. The uniformly distributed load force application assembly can apply uniform or gradient change pressure to the whole surface of the door and window to simulate wind pressure; the concentrated load force application assembly can perform fixed-point impact on specific parts of doors and windows and simulate hard object impact or violent forcible entry; the wind pressure loading assembly applies uniform and gradient-adjustable wind pressure loads to the surfaces of doors and windows, simulates stress states under different wind levels and detects the air tightness of the doors and windows, and the rainfall simulation assembly simulates rainfall environments with different strengths to detect the water tightness of the doors and windows; the deformation of doors and windows, the stress of key parts of the doors and windows, the water leakage condition and the air leakage condition can be monitored, and the comprehensiveness and the real-time performance of detection data are ensured. The system can achieve the detection of multiple safety performance dimensions of the doors and windows of the constructional engineering, effectively improves the detection efficiency and precision, reduces the manual operation intervention, and provides a comprehensive and reliable data support for the safety performance evaluation of the doors and windows.

The invention discloses a container structure and a manufacturing method thereof. The container structure comprises a wall frame and a bottom frame. The underframe comprises a bottom side beam, an end bottom beam and a steel floor; the bottom side beam and the end bottom beam are respectively provided with a first connecting surface and a second connecting surface which extend along the horizontal direction; wherein the extension directions of the first connecting surface and the second connecting surface are opposite, and the second connecting surface extends towards the inner side direction of the wall body frame; the first connecting face and the second connecting face are used for being welded and fixed to the wall frame and the steel floor correspondingly. Through the arrangement, a bottom cross beam does not need to be arranged, so that the material cost of steel is correspondingly reduced, the number of welding beads can be reduced, the labor cost and operation difficulty of welding operation are reduced, the production efficiency is improved, meanwhile, the water leakage risk caused by welding bead sealing defects is effectively reduced, and the water tightness requirement of the water storage type container is met.

The utility model discloses a regenerated wrought aluminum alloy door and window, which comprises a door and window mechanism, a reinforcing mechanism and a sealing mechanism, and the door and window mechanism comprises a frame, glass arranged in the frame and the reinforcing mechanism, the reinforcing mechanism comprises a plurality of sealing plates clamped to the side edges of the frame, a plurality of memory alloy pieces attached to the inner side walls of the sealing plates and a plurality of abutting plates attached to the outer edge of the glass, and the abutting plates are attached to the inner sides of the memory alloy pieces correspondingly. According to the utility model, under high temperature weather, the memory alloy sheet increases the volume, and then when the abutting plate is extruded, the insertion rod is led to move and is inserted into the insertion hole, so that the insertion rod opens the rubber pad and the rubber pad is uniformly attached to the surface of the glass, and the dynamic compensation can timely sew and repair a gap, improve air-tight seal and water tightness and ensure the sealing effect.

The invention relates to the technical field of building construction, in particular to a kitchen flue hole-lifting-free integrated construction method which comprises the following steps: S1, optimizing a flue hole; s2, the flue formwork is reinforced; s3, concrete pouring; s4, a flue is installed; s5, node sealing treatment is carried out; and S6, performing a closed water test. According to the method, the size of the reserved flue hole is optimized to be matched with the inner overall size of the finished flue, the finished flue can be directly placed on a building structure floor when being installed, and compared with traditional hole hanging method construction, the construction step of filling the fit clearance between the finished flue and the reserved flue hole with concrete is omitted, the construction efficiency is improved, and the construction cost is reduced. Therefore, the forming quality of concrete at the butt joint part of the reserved flue hole and the finished flue is higher, and the risk of leakage of a building floor is reduced.

The invention relates to the technical field of external window water tightness testing, in particular to an external window water tightness testing method and an external window water tightness testing device. The external window water tightness testing method comprises the steps that S1, a hanging mechanism is installed on a fixing mechanism, a water conveying pipe of a sprayer is detachably and movably connected to the fixing mechanism, and the water conveying pipe of the sprayer is detachably connected to the upper portion of the hanging mechanism; s2, hanging a hanging mechanism at the top of a windowsill wall above the outer window to be detected, and enabling a spray head of a sprayer to face the outer side part of the outer window to be detected; s3, a water conveying pipe is communicated with a water supply device, then the water supply device is turned on, and a spraying head sprays water to the outer side of the to-be-detected outer window; s4, after preset time, the water supply device is closed, and then the water seepage condition of the inner side of the outer window to be detected is checked. The water tightness test result of the outer window water tightness test method is more accurate.

The application provides a miniemulsion polymer, which is prepared by a miniemulsion polymerization method through controlling pre-emulsion droplet particle size by a high-pressure homogenizer, using specific auxiliary stabilizers and specific primary emulsifiers. After the miniemulsion polymer is incorporated into a base material, an engineering material with high air tightness, high water tightness, high bonding strength and excellent durability can be obtained, which is used for the durability protection or sealing of engineering structures or the bonding between different materials, and has the advantages of simple process, low cost and outstanding comprehensive performance.

The utility model discloses an autoclave frogman equipment water tightness detection clamp in the field of detection clamp, its structure includes the opening top connection flat plate, the opening bottom support flat plate, support flat plate base, opening support stand, transmission screw rod, opening clamping plate, cushion block, spring screw, bolt. The utility model discloses the position adjustment through support stand, transmission screw rod and clamping plate, realizes accurate clamping to different frogman equipment test sample, through the elastic clamping of spring screw and cushion block, avoids the frogman equipment test sample deformation in the fixed process to improve the reliability of autoclave frogman equipment water tightness detection.

The invention discloses a quick-in-place blow molding barrel body detection device, and relates to the technical field of plastic barrel detection devices.The quick-in-place blow molding barrel body detection device comprises a conveying frame, a plurality of conveying assemblies are arranged in the conveying frame, and each conveying assembly comprises a mounting frame and a conveying belt arranged in the mounting frame; the weighing mechanism comprises a weighing frame arranged in the conveying frame weighing station and a lifting driving piece connected to the bottom of the corresponding conveying assembly mounting frame; the barrel cover unscrewing station comprises a limiting frame arranged in the conveying frame, the top of the limiting frame is provided with a horizontally-moving frame body capable of horizontally moving, the horizontally-moving frame body is connected with a lifting linear module, and a claw clamp used for clamping a barrel cover is fixed to the bottom of the lifting linear module; and the water tightness testing station comprises a gantry frame arranged at the output end of the conveying frame, and a liftable inner frame is arranged in the gantry frame. The device and the method have the effects of quick in-place and high-efficiency testing.

The utility model discloses a concrete guide pipe which comprises single pipes which are connected end to end, each single pipe comprises a guide pipe body, a groove is formed in one end of each guide pipe body in the circumferential direction, and a plurality of rope penetrating holes on the side of the groove are formed in the outer wall of the guide pipe body at the position corresponding to the groove in the circumferential direction. A convex tongue-and-groove matched with the groove in shape is formed in the other end of the guide pipe body, and a plurality of rope penetrating holes on the side of the convex tongue-and-groove are formed in the circumferential direction of the convex tongue-and-groove; the convex tongue-and-groove of one of the two single pipes which are connected end to end is inserted into the groove of the other single pipe, and the positions of the rope penetrating holes in the groove side and the rope penetrating holes in the convex tongue-and-groove side coincide in a one-to-one correspondence mode to form lock holes; the steel wire rope sequentially penetrates through the lock holes to fix the two connected single pipes, and the two ends of the steel wire rope are fixed through lock catches. According to the structure, on the premise that the water tightness of the guide pipe meets the requirement, the mounting and dismounting efficiency between pipe joints is improved.

The present invention provides a kettle capable of achieving both waterstop and ease of attachment and detachment of a lid. A kettle is provided with: a container main body which has a bottomed cylindrical shape with an upward opening and is capable of accommodating a beverage; and a flow path forming member that can be attached to and detached from the opening of the container main body and has a flow path through which the beverage in the container main body passes and is discharged to the outside. The flow path is always in an open state through which the beverage can pass. The container main body has protrusions (24, 25) which are arranged in the vertical direction and have an annular convex shape on the inner peripheral surface of the opening. The flow path forming member is provided with a flow path forming main body section attached to the interior of the opening section. The flow path forming main body part is provided with: a sealing part which has a circular ring shape along the inner circumferential surface of the opening part and is in contact with the convex part (24) so that the beverage does not pass through a part other than the flow path; and a retaining part which is positioned on the upper side of the sealing part, has a circular ring shape along the inner circumferential surface of the opening part, and is hooked to the convex part (25) in order to keep the flow path forming member in a retaining state.

The embodiment of the invention provides a propeller hub sealing structure and device and a ship, the structure comprises an inner gland, a shaft sleeve is sleeved with the inner gland, the inner gland is in clearance fit with the shaft sleeve and a propeller, and the end face, close to one side of the propeller, of the inner gland is watertight through a radial sealing ring; and the outer gland is sleeved on the shaft sleeve on the outer side of the inner gland and is in clearance fit with the shaft sleeve and the inner gland, and the inner ring side of the outer gland is close to the end position of the inner gland, so that the contact surfaces of the outer gland and the shaft sleeve as well as the outer gland and the inner gland are sealed through an axial sealing ring. According to the embodiment of the invention, a traditional sealing gland is optimized into a combined form of the inner gland and the outer gland, and the axial sealing ring and the radial sealing ring are mounted in two independent steps, so that the process is simplified, and the synchronous mounting difficulty is reduced; furthermore, the inspection hole is formed in the inner gland, so that the sealing effectiveness can be inspected under the condition that the gland is not disassembled, the daily maintenance is simple, and the safety effect is remarkable.

The utility model relates to the technical field of sliding doors, in particular to a sealing structure of a sliding door and the sliding door comprising the sealing structure. The sealing structure comprises a door frame and a door leaf installed in the door frame, a protruding part protruding towards the door leaf is arranged on the inner side of the door frame, a first sealing rubber strip is arranged at the end, close to the door frame, of the door leaf, and the first sealing rubber strip and the protruding part are oppositely arranged and extend in the direction perpendicular to the indoor and outdoor direction. When the door leaf moves towards the door frame to be tightly matched with the door frame, the first sealing rubber strip abuts against the protruding part in the moving direction of the door leaf towards the door frame and is compressed. The door leaf and the door frame are in firm contact and tight sealing through the compressed first sealing rubber strip, and even if the door leaf is subjected to high air pressure and deviates towards the indoor side or the outdoor side, the first sealing rubber strip and the protruding part can keep tight abutting so that the sealing state can be stable. The air leakage and water leakage risks under high wind pressure can be effectively reduced, and the air tightness and water tightness of the sliding door are remarkably improved.

The invention discloses a non-welding composite bridge deck structure with ribbed plates, and relates to the technical field of bridge composite structures. The structure is composed of asymmetrical U-shaped steel and hemming section steel with a stiffened bottom. Different from traditional prefabrication and assembly, a construction method of firstly placing in place and then folding is adopted, and after profile steel is placed in sequence, continuous cold bending and edge curling operation is conducted on overlapped edges through special mechanical equipment. And finally, a three-layer steel plate cascading occlusion structure with the outer wrapping corners wrapping the middle folded edges and the middle folded edges wrapping the inner turned edges is formed at the joints. According to the in-situ forming process, assembly gaps caused by component manufacturing and mounting errors are eliminated, strong residual clamping force is generated in the joint, zero-sliding connection between similar steel components is achieved, and a composite bridge deck structure is finally formed in cooperation with transverse penetrating reinforcing steel bars and a concrete layer. The structure thoroughly abandons welding, has extremely high overall rigidity, excellent anti-fatigue performance and water tightness, and is suitable for high-standard assembly type bridge construction.

A composite waterproof membrane for waterproofing concrete slabs and foundation walls is disclosed. The waterproof membrane includes: a rubberized asphalt layer; a polymeric adhesive layer having one face bonded to one surface of the rubberized asphalt layer and having an opposite face with surface voids; and a vapor barrier layer bonded to an opposite surface of the rubberized asphalt layer. The surface voids of the adhesive layer allow concrete poured on the adhesive layer to be filled in the voids and anchor the concrete to the adhesive layer, thereby ensuring water tightness between the composite waterproof membrane and the concrete. Methods and systems for waterproofing blind-side building foundations using the waterproofing membranes are also disclosed.

The utility model relates to the technical field of vertical hinged doors, and discloses an aluminum alloy heat insulation antique vertical hinged door which comprises a vertical hinged door pocket, an aluminum alloy door frame is movably connected to the outer surface of the front end of the vertical hinged door pocket, and glass is fixedly connected to the outer surface of the front end of the aluminum alloy door frame. Chinese style window grilles and arc-shaped sand glass are fixedly connected to the outer surface of the right middle portion of the front end of the glass, and the Chinese style window grilles are located on the outer surface of the front end of the arc-shaped sand glass. The air tightness between the whole door frame and the door is improved, the air tightness, the water tightness and the wind pressure resistance of the whole window are improved through close fit of multi-point lock accessories, the heat-insulation archaized vertical hinged door shows the unique characteristics of a Chinese style building, and the whole Chinese style building has vivid romantic charm; and the method plays an important role in the culture significance and value of the whole Chinese style building.

The utility model discloses a curtain wall engineering detection device, which belongs to the technical field of curtain wall detection, and comprises a detection table and supporting rods, the bottom of the detection table is fixedly connected with a plurality of supporting rods, the upper surface of the detection table is fixedly connected with a connecting frame, and the bottom of the connecting frame is provided with a detection assembly. A to-be-detected curtain wall sample is stably placed on a detection plate, a water pump is started, water passes through a hose and a branch pipe and is sprayed to the curtain wall sample through a nozzle, rainfall environments with different intensities are simulated, and in the process, workers can visually observe the surface of the curtain wall sample conveniently; after water tightness detection is finished, an air pump and an electric push rod are started, the air pump conveys air to a spray gun through a conveying pipe and sprays the air to the surface of a curtain wall sample, the electric push rod drives a branch pipe to move up and down, and the height between the spray gun and the curtain wall sample is shortened. And wind pressure environments in different directions and with different intensities are simulated.

To provide a method for manufacturing a fitting that comprises a metal molded plate and a resin sheet of sufficient thickness, and that exhibits excellent shape retention, weather resistance, and watertightness. [Solution] The present invention provides a method for manufacturing a fitting that is waterproofed at an outer corner or an inner corner, and comprises the steps of: preparing a metal molded plate having a first main surface and a second main surface having a front-back relationship with each other, and a vacuum hole connecting the first main surface and the second main surface, and being molded into a predetermined shape; applying a primer to the first main surface to obtain a primer coating; attaching the metal molded plate to a differential pressure molding machine; and operating the differential pressure molding machine and pressing a resin sheet against the first main surface to mold the resin sheet and adhere the resin sheet to the first main surface.

The application relates to a connecting structure of marine equipment and a ship body, which comprises marine equipment, a ship body deck, a connecting sleeve, a top column of the marine equipment penetrating a through hole of the ship body deck upwards, the connecting sleeve comprising a horizontal connecting ring body and a vertical connecting cylinder body connected through a force transmission part, the horizontal connecting ring body being fixed with the ship body deck, the vertical connecting cylinder body being sleeved on the top column and being fixed, a welding sealing structure being arranged at the joint of the upper end of the vertical connecting cylinder body and the top column, the force transmission part comprising a vertical force transmission cylinder body and a horizontal force transmission ring body, the vertical connecting cylinder body and the vertical force transmission cylinder body being arranged at intervals inside and outside, the lower end of the vertical force transmission cylinder body being connected with the horizontal connecting ring body, the upper end being connected with the outer edge of the horizontal force transmission ring body, the inner edge of the horizontal force transmission ring body being connected with the vertical connecting cylinder body, the vertical force transmission cylinder body and the horizontal force transmission ring body being used for deforming along with the deformation of the ship body deck under stress, so that the stress at the welding sealing structure can be reduced, and water tightness is ensured.

The utility model relates to the technical field of door and window accessories, in particular to a corner reinforcing piece. The corner reinforcer is in an L shape, the structure of the corner reinforcer is arranged in a bilateral symmetry mode, the corner reinforcer comprises an L-shaped platy reinforcer base body, a plurality of sealing parts are arranged below the reinforcer base body, the sealing parts communicate with glue injection holes, and the glue injection holes are formed in the reinforcer base body; sealant is injected into the sealing part through the sealant injection hole so as to seal a splicing seam formed by splicing the cantilever of the window frame and the end of the main body of the mullion and seal a window frame cantilever rubber strip groove communicated with the sealing part; or the sealant is injected into the sealing part through the sealant injection hole to seal the corner combining splicing seam of the window frame; according to the utility model, the structure is more optimized, the splicing seam formed by splicing the cantilever of the window frame and the end part of the main body of the mullion and the corner splicing seam of the window frame are sealed, the air tightness and water tightness of the whole window are improved, the installation is convenient, and the working efficiency of constructors is improved.

The utility model relates to the technical field of doors and windows, in particular to a negative pressure type passive bay screen door and window which comprises a support sectional material, and a left side bay screen type window sash combined component and a right side bay screen type window sash combined component are installed on the left side and the right side of the support sectional material respectively. The left side bay screen type window sash combined component and the right side bay screen type window sash combined component are located on the same plane to form a floating type bay screen door and window structure. A wind pressure resistant fixing assembly profile is mounted at the front end of the support profile, and negative pressure chamber auxiliary frame assembly profiles are mounted at the left side end of the wind pressure resistant fixing assembly profile and the left side end of the wind pressure resistant fixing assembly profile at the outer side end of the right bay screen type window sash combined component respectively; the novel energy-saving window has the advantages that a visual effect outside a screen is achieved, metal aluminum or wood cannot be seen in the whole room, the screen effect and the energy-saving effect are high, the K value requirement of passive doors and windows is met, the super energy-saving K value is achieved, meanwhile, the whole appearance decoration is attractive and energy-saving, and the novel energy-saving window has high wind pressure resistance and good water tightness and air tightness.

The utility model discloses a wiring device for a transverse watertight cable in the technical field of watertight cables, which comprises a first cable, a second cable is arranged on the right side of the first cable, wire bodies are arranged in the second cable and the first cable, and a butt joint mechanism is arranged at the joint of the first cable and the second cable. A limiting mechanism is arranged below the first cable and the second cable, the wiring device of the transverse watertight cable is composed of a butt joint mechanism and the limiting mechanism, and the limiting mechanism adopts a clamping structure to ensure the stability of the cables in the butt joint process; the butt joint mechanism adopts a butt joint sealing cover structure and a filling molding structure, so that the water tightness of a cable joint is ensured, water permeation is effectively prevented, and additional insulation protection is provided for a wire body by using an insulation sheath; the combination of the steel wire body and the silicone rubber not only improves the overall tolerance of the silicone rubber, but also enhances the mechanical strength of the connection part, and ensures the reliability of cable connection.

The application relates to the technical field of outer window water tightness detection, in particular to an outer window water test pipeline flow control method and system. The method comprises the following steps: acquiring an instantaneous flow reading, and calculating the dispersion degree of the instantaneous flow reading within a preset time window; when the dispersion degree is continuously lower than a preset recovery threshold, it is judged that the air bubble interference in the water flow is over, the integral term in the forced zero self-adaptive control algorithm is cleared, and a control right handover period is triggered; within the control right handover period, the final output power of the water pump is determined according to a fixed safe output power and a calculated normal self-adaptive adjustment power, the weight of the fixed safe output power is reduced according to a first preset adjustment rule, the weight of the normal self-adaptive adjustment power is increased according to a second preset adjustment rule, and the control right is completely handed over to the normal self-adaptive adjustment power until the control right is completely handed over to the normal self-adaptive adjustment power. The method has the advantages that the problem that the flow meter measurement is inaccurate due to the air bubble interference in the water flow in the existing outer window water test, and the accuracy and reliability of the test result are affected, can be solved.

The application discloses a kind of steel box girder access hole structures of convenient overhaul, including outer layer rectangular wellhead device and inner layer circular wellhead device, replaceable water stop sealing device is set in double-layer wellhead;The outer wellhead device includes outer rectangular wellhead, outer rectangular access hole cover, first waterproof rubber pad is provided between wellhead and cover, replaceable water stop kit is provided between wellhead and cover end groove;The inner wellhead device includes inner circular wellhead, inner circular access hole cover, second waterproof rubber pad is provided between wellhead and cover, inside wellhead protrudes steel box girder, and waterproof layer is brushed between inside and outside wellhead.The application can solve the technical problems of using bridge maintenance space (such as isolation belt or pedestrian walkway) to set access hole structure, effectively solve the technical problems of city steel beam maintenance;And can solve the water-tight performance and bridge aesthetic appearance and other technical problems of access hole structure.

The utility model belongs to the technical field of quality detection equipment, and particularly relates to waterproof roll water tightness test equipment which comprises a lower clamp, an upper clamp and a first water leakage sensor, a water receiving structure with an upward opening is formed on the lower clamp, a water storage structure with a downward opening is formed on the upper clamp, and the first water leakage sensor is arranged on the upper clamp. The first water leakage sensor is arranged in the water receiving structure. After the water tightness test sample is prepared, the water tightness test sample is placed on the lower clamp, the plywood is in contact with the lower clamp, the upper clamp is placed on the water tightness test sample and is in contact with the waterproof roll, then distilled water is filled into the water storage structure to start water tightness test, and the water tightness test is completed within the test time. The water tightness of the waterproof roll is judged by detecting the water leakage condition in the water receiving structure through the first water leakage sensor, so that the visual inspection mode of testers is replaced, and the accuracy of the water tightness test is further improved.

The application discloses a kind of cable water-tightness detection devices, it is related to cable detection equipment technical field.The cable water-tightness detection device, including support frame, the support frame top is provided with detection mechanism, the detection mechanism right side is fixedly connected with pre-check mechanism, the pre-check mechanism right side is fixedly connected with cleaning mechanism, the detection mechanism includes steel pipe container, the steel pipe container left is provided with first anchor, the steel pipe container right side is fixedly connected with second anchor.The cable water-tightness detection device, by making cable from right to left gradually through first laminating film and second laminating film, the pressure inside detection tube gradually rises, after pressure rises, when cable outer wall produces defect breakage, will make the air pressure inside detection tube continue to drop, make warning whistle stop emitting sound, and then remind detection personnel, there is breakage in the cable outer wall, to avoid to damaged cable to detect and produce false detection results.

The invention relates to the technical field of doors and windows, and discloses a silent heat insulation safety door and window, through broken bridge type structural design, a plurality of sets of heat insulation strips and sealing strips are arranged between aluminum profiles, and the sealing strips are designed in an arc-shaped fit mode so as to increase the sealing contact area; the heat insulation strip is of a continuous S-shaped bent structure and is matched with the cavity to be filled with inert gas or heat insulation media, the heat conduction path is remarkably prolonged, and the heat transfer efficiency is reduced. Meanwhile, a honeycomb cavity structure is arranged in the sealing strip to absorb sound wave energy, and the mute effect is further enhanced. According to the door and window, through the synergistic effect of multiple sealing, efficient heat insulation and sound absorption structures, the problems that a traditional door and window is poor in heat insulation performance and poor in sound insulation effect are effectively solved, excellent water tightness and wind pressure resistance are achieved, the door and window can be widely applied to various civil and commercial buildings, and a comfortable, energy-saving and safe indoor environment is provided for users.

The utility model relates to the technical field of doors and windows, in particular to an environment-friendly aluminum alloy door and window which comprises an aluminum alloy window body, the aluminum alloy window body slides on the inner side of an aluminum alloy window frame assembly, a plugging assembly is installed on the inner side of the aluminum alloy window frame assembly, the aluminum alloy window frame assembly comprises a window frame body, and a window groove, a vertical hole and a water outlet are formed in the inner side of the window frame body. The plugging assembly comprises a rubber conical plug, a connecting block is fixedly connected to the rear end of the rubber conical plug, a movable plate is fixedly connected to the rear end of the connecting block, and a second permanent magnet and a spring telescopic rod are fixedly connected to the inner side of the movable plate; according to the device, the drainage hole is automatically blocked and impurities are prevented from entering when no rainfall exists, the drainage channel is automatically opened and accumulated water is drained and prevented from leaking when rainfall exists, the water tightness of doors and windows is improved, the service life of the doors and windows is prolonged, and manual maintenance is reduced.

A full face mask equipped with an inlet air filter includes a transparent visor, a frame or strap, preferably a rubber gasket designed to guarantee water tightness and appropriate straps to fit the mask on the face. The mask has a fitting which engages on the upper part of the mask in an inspiration mouth and which allows the flow of air to enter the space created between the frame and the viewer. This fitting includes a coupling portion to this mouth and on the opposite side a seat for the attachment of a filtering system of the air entering the mask.

To provide a flush toilet device capable of achieving efficient use of washing water by adopting an aspect while maintaining the watertightness of the water flow, in which some of the internal air remains in the jet waterway.SOLUTION: The flush toilet device includes: a first drain valve that switches between discharging and stopping washing water from the rim outlet; and a second drain valve that switches between discharging and stopping washing water from the jet outlet, in which both are driven based on different driving inputs. A jet waterway includes: an upstream area located directly below the second drain valve; an intermediate area that extends forward from the upstream area in plan view; and a downstream side area that extends laterally from the front area of the intermediate area below the water level of the pool to the jet outlet bypassing the bottom of the bowl and / or the drain trap line. The maximum value of the vertical cross section perpendicular to the anterior-posterior direction of the intermediate area is larger than the maximum value of the vertical cross section perpendicular to the front-to-back direction of the upstream area, and larger than the maximum value of the vertical cross section perpendicular to the flow direction in the downstream side area.SELECTED DRAWING: Figure 11