66results about How to "Stable installation position" patented technology

An IC chip package production apparatus of this invention comprises a conveyance portion which conveys a film substrate, and an IC chip mounting portion which mounts IC chips on the film substrate. The IC chip mounting portion comprises a mounting roller, on the outer face of which are formed a chip holding groove and a suction-clamping hole, which mounts IC chips on the film substrate by holding IC chips and rotating; an IC chip supply portion, having a supply path which supplies a plurality of IC chips successively; and a linear feeder which, with one supply end of the supply path opposing the chip holding groove and suction-clamping hole, feeds IC chips from the supply end to the chip-holding groove. The production apparatus further comprises a thermal pressure-bonding portion which performs thermal pressure-bonding of IC chips and the film substrate; this thermal pressure-bonding portion has a tape with magnets and a magnetic tape on the conveyor path conveying the film substrate, which apply pressure to the film substrate on the conveyor path without stopping the motion, and a heat-application portion which applies heat to the film substrate on the conveyor path without stopping the motion.

A backpack high pressure power sprayer comprises a base, an electrical pump component installed in the base and a storage battery; wherein, the electrical pump component is a membrane pump driven by a DC electric machine, a water inlet pipe of the membrane pump is connected with a water tank, and a water outlet thereof is connected with a spray rod by a water outlet pipe; the water tank is installed on the base, a liquid feeding hole is opened on the top of the water tank and is provided with a cover, and a strap is arranged on the wall of the water tank; the backpack high pressure power sprayer is characterized in that the base is internally provided with a support pillar, the top surface of the support pillar is contacted with the bottom surface of the water tank and is higher than the mounting planes of the storage battery and the membrane pump, a left side plate of the base is equipped and connected with a speed control switch of the storage battery, a fuse, a power switch and a charging socket, and a right side plate of the base is provided with a mounting groove which is internally provided with a water outlet connector of the membrane pump, so that the assembly and disassembly, the maintenance and the operation are considerably convenient.

The invention discloses an automatic water cooling system of a car brake. The automatic water cooling system comprises a water tank, a nozzle, a controller, a temperature sensor, a control valve or / and a water pump, wherein the control valve or / and the water pump is / are mounted on a communication water pipe between the nozzle and the water tank; an input end and an output end of the controller are respectively connected with the temperature sensor and the control valve or / and the water pump; the automatic water cooling system is characterized in that an edge position of a braking bottom plate of the car brake is provided with a mounting hole; the front end of the temperature sensor penetrates through the back end of the mounting hole and is fixed at the outer side of the braking bottom plate through a connection element; the front end of the temperature sensor is inserted into an inner space of a braking drum of the car brake, and a gap of 0.1-10.0mm is formed in an annular inner surface of the braking drum; and the position of the temperature sensor is located at the position which is not contacted with a brake shoe block of the brake and a frictions sheet. According to the water cooling system disclosed by the invention, the temperature is accurately controlled; and the brake is effectively prevented from being burnt and the consumption of cooling water is reduced.

The invention discloses a steel / wood combined truss connection structure. The steel / wood combined truss connection structure comprises two upper chord members, a first vertical web member, second vertical web members, diagonal web members, first lower chord members, second lower chord members, and a connecting piece; the connecting piece comprises a supporting block, installation blocks, first connecting blocks, second connecting blocks, third connecting blocks, fourth connecting blocks, fifth connecting blocks, sixth connecting blocks, seventh connecting blocks, eighth connecting blocks, first fixing blocks, second fixing blocks, bolts, and rotating members; the supporting block is of a pentagonal prism structure; the two first connecting blocks are symmetrically fixedly arranged on thetwo sides of the lower [art of the supporting block. According to the steel / wood combined truss connection structure, the upper chord members, the first vertical web member, the second vertical web members, the diagonal web members, the first lower chord members, and the second lower chord members are be fixed, a conventional notch and tooth joint manner is avoided, welding connection is avoided,the connection precision among the members is higher, the structure is more compact, no welding joint or welding rust is generated, and the appearance is beautiful.

The invention discloses an electric vehicle using a multifunctional mount bracket. A vehicle body is provided with a left longitudinal beam and a right longitudinal beam; the electric vehicle furthercomprises the multifunctional mount bracket; the multifunctional mount bracket is provided with two parallel bracket transverse beams which are arrayed in the front-rear direction, and the bracket transverse beams are perpendicularly fixed to the left longitudinal beam and the right longitudinal beam of the vehicle body; two or more bracket longitudinal beams are fixedly connected between the twobracket transverse beams, and all the bracket longitudinal beams are perpendicular to the bracket transverse beams; and the bracket longitudinal beams are provided with motor mounting structures. Theelectric vehicle has the beneficial effects that the roll and yaw mode and stiffness of the vehicle body can be improved, and the stable mounting position is provided for a motor and an electric driveassembly controller.

The invention discloses an earthquake resistant ceramic brick. The earthquake resistant ceramic brick comprises a transparent enamel layer, a ceramic layer, a super glue layer and a rubber layer; the transparent enamel layer is arranged on the ceramic layer; the transparent enamel layer and the ceramic layer are integrally formed; the super glue layer and the rubber layer are arranged below the ceramic layer in sequence; the rubber layer is connected with the ceramic layer through the super glue layer; a metal particle layer is arranged on the transparent enamel layer; the sizes of metal particles are 20 to 30 meshes; a groove is formed in one side of the ceramic layer; a rubber bump is formed on the other side of the ceramic layer; the size of the rubber bump is matched with that of the groove. The earthquake resistant ceramic brick is firm in mounting position, good in earthquake resistant effect, long in service life, and attractive in appearance.

The invention relates to the field of fabricated buildings, in particular to a three-dimensional movable type precast concrete component production system which is built on a construction site of a fabricated building and comprises mold bedplates, pouring frames and supporting pieces. A plurality of mold bedplates are vertically stacked at intervals; every two adjacent mold bedplates are supportedthrough the multiple supporting pieces. The supporting pieces are detachably assembled with the mold bedplates, the upper surfaces of the mold bedplates are flat, the pouring frames are fixed to theupper surfaces of the mold bedplates to form pouring cavities of precast concrete components, and the height of the pouring frames is smaller than the interlayer height between every two adjacent moldbedplates. The system has the effects that the structure is firm, the system can be directly built on a construction site, the occupied area is small, and long-distance transportation of prefabricated parts is not needed.

The invention discloses a thermal insulation lifting head used for connecting with a suspender type air pipe and an assembling method of the thermal insulation lifting head, belonging to the field of construction and installation, wherein the problems that the existing installing way of the suspender type air pipe is bad in fireproof capacity, high in cost and much in potential safety hazard can be solved by the thermal insulation lifting head. The thermal insulation lifting head comprises an adjusting frame, a locking and bearing mechanism, a lifting band and a heat preservation layer, wherein the adjusting frame is used for adjusting the installation elevation of the air pipe, and the locking and bearing mechanism is arranged at the bottom of the adjusting frame; one end of the lifting band is connected with the air pipe, and the other end of the lifting band is provided with a bending part; the heat preservation layer is arranged inside the adjusting frame; one end of the lifting band provided with a bending part penetrates through the locking and bearing mechanism and is locked by the locking and bearing mechanism, the bending section of the bending part is exposed outside the locking and bearing mechanism, and the heat preservation layer completely covers the bending section. The thermal insulation lifting head is skillful in structure and convenient to install, and has the characteristics of thermal insulation, cold insulation, self-locking, band structure connection, and the effects that the air pipe is not needed to be prepared and is noncombustible. Therefore, the thermal insulation lifting head is suitable for popularization and application.

The invention relates to a loading box for self-balancing method detection and a pile foundation bearing capacity detection device and method. The loading box comprises an upper panel, a lower panel and a plurality of hydraulic jacks, the upper panel and the lower panel are both a disc with a round hole in the center, the hydraulic jacks are fixedly arranged between the upper panel and the lower panel, and the hydraulic jacks are arranged around the round holes. The loading box further comprises reinforcing plates and a plurality of connecting assemblies, the reinforcing plates are fixedly attached to the lower surface of the upper panel and / or the upper surface of the lower panel, the connecting assemblies are fixed to the reinforcing plates, and main reinforcing steel bars of a reinforcement steel cage are close to the end portion of the loading box and detachably fixedly assembled to the connecting assemblies. When the loading box is connected with the reinforcement steel cage, welding is conducted without workers, detachable fixed assembly can be achieved simply through the connecting assemblies, the connecting fastness is easy to control, convenience is brought to installation, and the improvement of the detection precision and the detection efficiency are indirectly facilitated.

The invention relates to a strip steel uncoiling mechanism, and relates to the technical field of production of metal stamping parts. The strip steel uncoiling mechanism comprises a machine case, a power motor, an uncoiling spindle and an expansion tile, and further includes a guide roller, a rotating shaft, an arc arm, a pressure wheel, a mounting frame, a driving part and an elastic component; the mounting frame is installed on the top surface of the machine case, the guide roller is arranged on the side face of the machine case and is located obliquely above the uncoiling spindle, the rotating shaft is rotatably arranged on the mounting frame and located above the guide roller, and the uncoiling spindle, the guide roller and the rotating shaft are arranged horizontally and are arrangedin parallel; the driving part is arranged between the machine case and the rotating shaft, the driving part is used for driving the rotating shaft to rotate forwards and backwards, one end of the arcarm is connected to the rotating shaft, and the other end of the arc arm is provided with the elastic component; and the pressure wheel is rotatably arranged on the elastic component, the rotation axis of the pressure wheel is parallel to the uncoiling spindle, and the elastic component is used for driving the pressure wheel to press the upper surface of strip steel. The strip steel uncoiling mechanism has the effects of being stable and firm in structure and being capable of pressing the rolled strip steel on the expansion tile to prevent the rolled strip steel from loosening.

The invention discloses a lighting tile supporting frame with the function of slidable adjustment and lighting tiles thereof. The supporting frame comprises two baseboards, wherein two connecting plates are arranged between the two baseboards, the left and right side faces of each connecting plate are fixedly connected with the side faces, close to each other, of the two baseboards respectively, afixation block is fixedly connected to the front of each baseboard, a slide groove is formed in the upper surface of each baseboard, a slide block is slidably connected to the inner wall of each slide groove, a connecting block is fixedly connected to the upper surface of each slide block, a first threaded hole is formed in the upper surface of each connecting block, and a second threaded hole isformed in the upper surface of each slide block. According to the lighting tile supporting frame with the function of slidable adjustment and the lighting tiles thereof, different installing positions of the lighting tiles can be adjusted, limitation occurring when the lighting tiles are installed through the supporting frame is avoided, the flexibility of the supporting frame during installationof the lighting tiles is improved, and the installing positions of the lighting tiles can be better adjusted.

The invention relates to the technical field of automobile parts, and discloses a damper for an automotive suspension system. The damper comprises an oil storage cylinder barrel. An operation cylinderbarrel is fixedly sleeved with the oil storage cylinder barrel. A sealing piston is slidably connected into the operation cylinder barrel. A rebound valve and a flow valve are fixedly mounted at theleft end and the right end of the interior of the sealing piston correspondingly. Guide holders are fixedly mounted at the upper end and the lower end of the operation cylinder barrel. A compression valve and a compensation valve are fixedly mounted at the left end and the right end of the interior of the lower guide holder correspondingly. According to the damper for the automotive suspension system, by arranging a protrusion block, a connecting barrel and a clamping groove, a hoisting lug and a piston rod are connected in a detachable clamping-connection mode instead of a traditional weldingmode, meanwhile, a dust cover and the piston rod are in threaded connection, the top connecting rod limits the dust cover in the upward direction, thus, the dust cover can be independently replaced and dismounted, quick-wear parts such as the hoisting lug and the dust cover are independently dismounted and replaced, the application cost is reduced, and resources are saved.

The invention discloses a bearing airtightness detector. A lower template of a rack is provided with one or more groups of detection positions, wherein each group of detection positions comprise the first position and the second position. The lower surface of an upper die seat is fixedly provided with a first circular truncated cone at the first position. The interior of a die cavity of the upper surface of the lower temperature cooperating with the first circular truncated cone is provided with a first air guide pipe and a first sealing ring. The lower surface of the upper die seat is fixedly provided with a second circular truncated cone at the second position. The second circular truncated cone at the first position is provided with a second air guide pipe and a second sealing ring. An output air duct of a pressure transmitter is connected with the first and second air guide pipes through pressure maintaining and reducing valves. The upper die seat is fixed on an upper die frame, and a first thrust pipe on the upper die seat is connected with an air pipe, wherein the air pipe is connected to a fixed platform. The detector carries out the detection of the front and back surfaces of a bearing through two different positions, can detect any air-leaking surface of the bearing, and completely guarantees the airtightness of the bearing. The upper die seat and the connection structure of the first and second circular truncated cones facilitate the exchange and detection of different types of bearings, and greatly reduce the machining cost. The first and second sealing rings are installed at different detection positions, so the installation position of a detection surface continuously remains stable, and the sealing performance remains good.

The invention discloses an externally-tightening and quick-changing hobbing tool for shafts. The externally-tightening and quick-changing hobbing tool comprises a base installed on a work plane of a machine tool. A transition pull plate and an adhesion tightening sleeve are sequentially installed on the base. The transition pull plate is connected to a pull rod of the machine tool and driven by the pull rod of the machine tool to move downwards or upwards. The adhesion tightening sleeve is matched with the transition pull plate to tighten or loosen work-pieces. According to the characteristics that power takeoff shafts are various and production change is frequent, the externally-tightening and quick-changing hobbing tool is designed. According to the tool, serialization design is carried out on the adhesion tightening sleeve and a centre, the adhesion tightening sleeve and the centre are convenient to change, and the design range of clamps for new shaft parts in future can be expanded.

The invention discloses a device for integrally assembling a bearing and a retainer ring for a hole. A worktable is fixed to a positioning base, a central protrusion of the worktable is provided witha positioning boss, and positioning pins are fixed to the edge. A fixed part of a linear displacement driving device is fixed to a fixing rack. A guiding seat is fixed to the driving end of the lineardisplacement driving device. The upper ends of guiding columns are uniformly fixed to the periphery of the guiding seat, the lower ends of the guiding columns are fixed to a funnel taper sleeve and are sleeved with springs. Elastic clamping pipes and bearing guiding rods are fixed to the lower end of the guiding seat. When the elastic clamping pipes are opened to maximum positions, the outer diameters of the lower end faces of the elastic clamping pipes are slightly smaller than the lower end of a circular truncated cone shaped inner hole for the funnel taper sleeve of an assembled shaft, thediameter of the upper end is located between the outer diameter and the inner diameter of the assembled bearing, and the diameter of the lower end is matched with the outer diameter of the assembledbearing. By adopting the device, the bearing and the retainer ring for the hole are installed on a supporting frame, the efficiency is high, an installing position is stable, the assembly precision ishigh, the labor intensity of workers is low, and the mistaken installation phenomenon of the retainer ring for the hole is not produced.

The invention relates to a new liner for a ball mill, in particular to an overflow type ball mill cylinder liner in the cement production industry. The liner is parallelogram-shaped, and the installation position of the liner is more stable. The impact is small, the cylinder of the ball mill is not easy to deform, and it plays a protective role for the cylinder of the ball mill; the middle of the liner is equipped with a hoisting hole parallel to the installation surface, which is convenient for workers to install and disassemble, and improves efficiency; and reinforcement around the hoisting hole , making it more firm and not easy to break, and improving the strength of the cylinder liner as a whole.

The invention provides a method for producing blanched garlic leaves with a blanched garlic leaf production device. The blanched garlic leaf production device comprises a cultivation box, a nutrient solution box and a hot water box. A controller is arranged outside the cultivation box, and a temperature and humidity probe and a supporting net frame used for growing blanched garlic leaves are arranged in the cultivation box. The nutrient solution box is located above the cultivation box, a water sprinkling pipe is arranged at the lower end of the nutrient solution box, an electromagnetic valve is arranged at the position, close to the nutrient solution box, of the water sprinkling pipe, and the water sprinkling pipe stretches into the top in the cultivation box. The hot water box is provided with a circulation hot water pipe which stretches to the bottom in the cultivation box and is located below the supporting net frame, a water pump is arranged in the hot water box, and the temperature and humidity probe, the electromagnetic valve and the water pump are all electrically connected with the controller. According to the method, the production conditions of the blanched garlic leaves can be automatically controlled, production of the blanched garlic leaves is promoted, the blanched garlic leaves can be very conveniently harvested, labor force is reduced, time and labor are saved, and the blanched garlic leaves are high in quality, nutrient value and eating safety.

The invention discloses an installation method of residence formworks for constructional engineering construction. The installation method comprises the following steps that step 1, a reinforcement cage is integrally erected; and step 2, a formwork fixing device is installed, the formwork fixing device comprises a plurality of supporting strips, the supporting strips are installed on the upper part and the lower part of the reinforcement cage, studs are installed on the two sides of each supporting strip, penetrate through penetrating holes in the formworks, and are locked through first nuts,sliding sleeves sleeve the two sides of each supporting strip, connecting plates are connected between the sliding sleeves, sliding openings are formed in the supporting strips, and bolts are insertedinto the sliding openings in a penetrating mode. The steel reinforcement cage is fixed between the formworks through the supporting strips, the supporting strips are detached in the lowering process,then the formworks are installed on ground formwork supporting piles, compared with an existing method that the formworks are installed firstly and then the steel reinforcement cage is lowered, the situation that the formworks are pressed and deformed due to the fact that the steel reinforcement cage is lowered between the installed formworks can be effectively avoided, the formworks are effectively protected, and therefore, the formworks are prevented from being replaced during construction.

The invention discloses a self-powered heat dissipation shell of an air conditioner outdoor unit. The self-powered heat dissipation shell comprises a mounting plate, a photovoltaic solar energy collecting device, a water storage device and an atomizing heat dissipation device, wherein the photovoltaic solar energy collecting device is arranged on the mounting plate, and the photovoltaic solar energy collection device is arranged at the top of the mounting plate and is used for providing energy for an atomizing device; the water storage device comprises a water collecting tank, wherein the water collecting tank is connected with a condensate water drain pipe of an air conditioner inner machine through a connecting pipeline; and the atomizing heat dissipation device comprises ultrasonic atomizers and a negative pressure fan, wherein inlets of the ultrasonic atomizers are connected with the water collecting tank through pipelines, outlets of the ultrasonic atomizers are opposite to cooling fins of the air conditioner outdoor unit, and the negative pressure fan is used for sucking air and forming a low-pressure environment near the cooling fans of the air conditioner outdoor unit, so that the atomized condensed water can be rapidly and uniformly attached to the cooling fins for heat exchange. The self-powered heat dissipation shell provides a stable installation position for the air conditioner outdoor unit, and also can fully utilize condensate water discharged by an air conditioner indoor unit; and the noise pollution caused by excessive dropping of condensed water to the downstairs neighbor is reduced, energy is saved, and the environment is protected.

An edible fungus culture medium bag packing device relates to the technical field of edible fungus culturing equipment. The edible fungus culture medium bag packing device comprises a conveying mechanism, a looping mechanism and a capping mechanism, wherein the looping mechanism and the capping mechanism are arranged above the conveying mechanism at the front and the rear respectively; the loopingmechanism comprises a looping worktable and a loop conveyer in parallel, the looping worktable comprises a first table plate, a first clamp and a gripper, and the first clamp is connected to the first table plate in a forth-back movable mode and a first clamping jaw; the capping mechanism comprises a capping worktable and a cap conveyer, the capping worktable comprises a second table plate, a second clamp, a third clamp and a capping pressure rod, a plate is provided with a capping hole, the second clamp is movably connected to the second table plate and comprises a second clamping jaw, and the third clamp comprises two cushion plates which are oppositely arranged. The edible fungus culture medium bag packing device can achieve packing of culture medium bags at high automation degree andhigh efficiency and meanwhile can completely and stably clamp loops and caps during lien production.

The invention discloses an injection mold for a mineral water bottle blank. The injection mold is characterized by comprising a fixed template, a runner plate, a cavity plate, a push plate, a movable template, a movable mold bottom plate, a mold foot and a mold foot plate which are sequentially arranged from top to bottom; the fixed mold bottom plate is provided with a sprue sleeve; the runner plate is internally provided with flow distribution devices; the flow distribution devices are provided with spray nozzles and communicated with the sprue sleeve; the two ends of the runner plate are provided with heating devices; the heating devices are connected with the flow distribution devices; the cavity plate is internally provided with core rods; the outer sides of the core rods are provided with mold sleeves; and the mold sleeves are provided with sealing rings and communicated with the spray nozzles. The injection mold for the mineral water bottle blank is simple in structure, reliable in action, convenient and reliable to mount and high in machining efficiency.

The invention relates to an elevator safety monitoring device, and relates to the field of elevator safety. The elevator safety monitoring device comprises a traction motor, a mounting seat, a levelness detection assembly, a slip detection assembly, a control module and an elevator alarm module; the traction motor comprises a shell and a traction wheel, the mounting seat is installed on the shell,the mounting seat comprises a bottom plate and a vertical plate, and the vertical plate is perpendicular to the bottom plate and located on the side, far away from the shell, of the bottom plate; andthe levelness detection assembly is arranged between the bottom of the traction wheel and the upper surface of the bottom plate, the slip detection assembly is arranged between the outer side surfaceof the traction wheel and the vertical plate, and the control module is electrically connected with the levelness detection assembly and the slip detection assembly, and is used for controlling the elevator alarm module to be started and closed according to a detection result. According to the device, whether the traction wheel is horizontal or has a slipping tendency or not can be effectively monitored, so that the device is safer, the structure is stable, the installation is simple, and the manufacturing is simpler.

The invention discloses a spring assembling structure and an optical module thereof. The spring assembling structure is applied to the optical module, the optical module comprises a first shell, a second shell and an unlocking assembly, the spring assembling structure comprises a spring groove formed in the second shell, and the spring groove is provided with a first opening facing the first shell and a second opening facing the unlocking assembly, wherein a limiting table is formed between the first opening and the end of the spring groove, and the second opening is closed by the unlocking assembly. and a sealing part which is arranged on the first shell, wherein the sealing part is matched with the first opening and can seal the first opening. According to the spring assembling structure, the mounting position of the spring can be stabilized in the assembling process, the assembling difficulty is lowered, and the problem that the spring falls off in the production, storage and transportation and turnover processes of the assembled semi-finished product is solved.

The invention discloses an oilwell sleeve pressure test plug sealing structure which is composed of an annular groove on the outer wall of a pressure test plug and a sealing ring matched with the annular groove. The cross section of the annular groove on the outer wall of the pressure test plug is swallow-tailed, namely the annular groove is wide inside and narrow outside, the sealing ring with the cross section in a shape same as the annular groove is mounted in the annular groove in an embedded manner, and the outer surface of the sealing ring and an inner wall matched with a to-be-tested sleeve form a sealing pair. The sealing ring is mounted in the annular groove on the outer wall of the pressure test plug in an embedded manner, and mounting position is stable, so that even when the pressure test plug and the sleeve are mounted and demounted, the sealing ring cannot roll in the annular groove to avoid damages to the sealing ring, sealing performance of the sealing structure is effectively improved, the service life of the sealing structure is prolonged effectively, and production cost is saved. The oilwell sleeve pressure test plug sealing structure is especially suitable for large-caliber pressure test plug sleeves needed to be mounted and demounted frequently.

The invention relates to the technical field of aluminum formworks, and claims to protect a novel aluminum model profile and a steel bar truss floor support plate installation system and method.The novel aluminum model profile comprises a profile body, and a plurality of strip-shaped grooves used for installing non-metal structure fixing objects are formed in the supporting face of the profile body. The novel aluminum model profile has the following predictable technical effects that the strip-shaped groove provides a stable mounting position for the non-metal structure fixture, so that when the novel aluminum model profile is connected with a plate-shaped structure such as a steel bar truss floor support plate, the texture of the non-metal structure fixture is softer than that of the profile main body, and the novel aluminum model profile can be conveniently connected and fixed by adopting accessories such as steel nails; the construction difficulty is small, the section bar body is not prone to being damaged, and the novel aluminum model section bar can be reused easily.

The invention relates to a feeding machine. The feeding machine comprises a rack and at least one conveying device installed on the rack. The conveying device comprises two oppositely-arranged side boards, conveying mechanisms and board pressing mechanisms, wherein the conveying mechanisms and the board pressing mechanisms are arranged on the side boards. A feeding mechanism is arranged between the two side boards. A first drive mechanism is arranged in the rack and connected with a lifting platform. The lifting platform comprises a frame, a base board arranged on the frame, at least one material frame arranged on the base board, and at least one supporting frame arranged at the lower end of the frame. A flexible PCB on a belt is pressed through a pressing wheel, and smooth conveying of the flexible PCB is ensured. The corresponding adjustment is made according to the material frames of different sizes, and the production cost of enterprises is reduced; transferring and positioning are carried out through servo motors, precision is high, running is stable, inclination sections are arranged at the lower ends of the vertical boards and incline upwards, and space is saved; and space is reserved between the two supporting frames, installing of other components is facilitated, and interference of other components is avoided.

The invention relates to an air filter device for a motor vehicle, comprising a housing (12) with a receiving space (14) for a filter element (10). The filter element (10) has a frame (16) which at least partially surrounds a filter material (18) of the filter element (10). The frame (16) comprises a first side wall (20) and a second side wall (22) opposite the first side wall, and a first transverse wall and an opposite second transverse wall (32, 34) connecting the side walls. A first projection (26, 30, 76, 78) projects from the respective side wall (20, 22) near one of the two transverse walls (32, 34). The housing (12) comprises two opposite housing side walls (44, 46), each of which has at least one chute (50, 52, 80, 82, 84, 86), in which a first projection (26, 30, 76, 78) of each side wall (20, 22) of the filter element (10) can be inserted into a chute end region (54, 56, 72, 74, 98, 100, 106, 108) directed in a first direction (64, 102, 104). A second projection (28, 76, 78) protrudes from the side wall (20, 22) in the vicinity of the other of the two transverse walls (32, 34), and wherein the housing side walls (44, 46) each have a second slotted end region (72, 74, 98, 100, 106, 108) which is directed in the opposite direction to the first direction (64, 102, 104) and into which the second projection (28, 76, 78) can be inserted, such that the filter element (10) is located in the receiving space (14) of the housing (12) in the operating position thereof. The side walls (20, 22) can be elastically deformed in such a way that the mutual distance (40) between two projections (26, 28, 30, 76, 78) arranged on the same side wall (20, 22) can be reduced in order to insert the respective second projection (28, 76, 78) into the associated second chute end region (72, 74, 98, 100, 106, 108) along the inwardly directed chute guide side (68, 70, 92, 96, 90, 94) during installation. The invention also relates to a filter element (10) for such an air filter device.