35results about How to "Adjustable opening size" patented technology

An animal feeding structure can include one or more openings to drain water that is sprayed into the feeding structure in order to clean it. By draining the incident water, the remaining dirt, food and other particles are drained and removed from the feeding structure, thereby cleaning the structure without direct handling. Also, because the water is drained, water bounce back onto the person cleaning the bowl can be greatly reduced. The feeding structure can include an opening covered by a raised cap whose clearance from the bottom of the bowl can be adjusted. The feeding bowl can also include lateral and / or longitudinal slits of various sizes and shapes. The size and shape of openings can be designed to prevent food from falling out while allowing water, food crumbs, dirt, and debris to drain out. The effective size of the openings can be adjusted.

The invention discloses a pick-and-place device and an archives management system. The pick-and-place device comprises a material picking mechanism, a guiding mechanism and an adjustment mechanism, wherein the material picking mechanism comprises a driving unit and a material picking end; the driving unit is fixed on a supporting frame; the material picking end is fixedly connected to the drivingunit and driven by the driving unit to move; the guiding mechanism comprises a pair of guiding parts which are arranged oppositely; a passage is formed between the pair of guiding parts; the passage is positioned on a moving path of the material picking end; the passage comprises a material picking opening which allows materials to enter and exit; the adjustment mechanism comprises a first power unit and a transmission unit driven by the first power unit; the transmission unit is connected to the guiding parts; and the transmission unit is driven by the first power unit to drive the guiding parts to adjust the size of the material picking opening. In the event of a deviation of the driving unit during material handling, the materials can be re-regulated through the passage so as to achievethe purpose of always keeping the materials to move back and forth on the passage. The certainty of the exit position of the materials is guaranteed, and the exit position of the materials is not affected by the driving unit.

The invention discloses leveling equipment, and belongs to the technical field of building construction. The leveling equipment comprises a chassis, a mounting piece, a first adjusting device, a scraper and a steering limiting assembly, wherein the mounting piece is arranged on the chassis; the first adjusting device is arranged on the mounting piece; the scraper is connected with the first adjusting device, and the first adjusting device can adjust the levelness of the scraper; and the steering limiting assembly is connected with the mounting piece and the scraper, and the steering limiting assembly can prevent the scraper from rotating around the vertical axis relative to the mounting piece. Mechanical leveling of mortar can be achieved, and deviation of the scraping direction can be avoided.

The invention discloses an anti-dust device for an outdoor unit of an air energy water heater, relates to the technical field of heat pump equipment, and primarily solves the problem that the outdoorunit of the air energy water heater which is infected with dust is inconvenient to clean during use. The device primarily comprises an outdoor unit body. A transmission mechanism, an adjusting mechanism, a rainproof mechanism, a dustproof mechanism and a detection mechanism are arranged on one side of the outdoor unit. A rotating motor rotates to drive a flexible filter screen to move so as to open a first rhombic exhaust hole, so that hot air in the outdoor unit body is exhausted conveniently. The first rhombic exhaust hole is blocked if the device is not used, so that dust is prevented fromentering into the device. The anti-dust device has the beneficial effects that by adjusting the position of the flexible filter screen, a protecting screen is prevented from being injected with dust,and the protecting screen needs not to be cleaned, so that the flexible filter screen can be detached and is convenient to clean.

The invention provides a pneumatic buffer. The pneumatic buffer comprises a cylinder, an upper cover, a piston rod and a piston. The upper cover is mounted at one end of the cylinder, and a through hole is formed in the other end of the cylinder; a sealed cavity is formed by the cylinder and the upper cover; the sealed cavity is internally divided into an upper sealed cavity body and a lower sealed cavity body through the piston; the piston is connected with the piston rod through a bolt; the piston rod penetrates through the through hole of the cylinder; a seal ring is arranged at the outer edge of the piston and closely attached to the inner wall of the cylinder; a one-way valve is mounted on the piston; air immediately enters the lower sealed cavity body from the upper sealed cavity body as long as the pressure of the upper sealed cavity body is higher than that of the lower sealed cavity body; and an exhausting hole is formed in the piston. By means of the pneumatic buffer, the buffering function can be achieved just by combination of the exhausting hole and the one-way valve, the opening degree of a throttling valve can be adjusted, the absorbing kinetic energy of the buffer is determined, and air in the cylinder is isolated from air outside the cylinder and circulates only inside.

The invention relates to a garbage basket. The garbage basket comprises a cylindrical basket bottom, a plurality of side fences and a support edge, wherein a fixing ring fixed to the basket bottom is arranged on the inner side of the basket bottom, and grooves are formed in the fixing ring; each side fence consists of a plurality of connecting units; each connecting unit consists of an upper half part and a lower half part, wherein an accommodating cavity with a bottom opening is formed in one lower half part; holes are formed in a pair of opposite side walls of the accommodating cavity; a pushing block is arranged at the lower part of one side wall, and vertical raised lines are arranged on the side surface of the accommodating cavity; lugs are arranged on the raised lines; the size of the upper half part is smaller than that of the accommodating cavity, and a rotating shaft is arranged on one side surface; the upper half part of one connecting unit is inserted into the accommodating cavity of another connecting unit, and the rotating shaft extends into the hole; one side of the upper half part is in contact with the pushing block, and a gap is formed between the other side surface and the accommodating cavity; the side fences are vertically inserted between the side wall of the basket bottom and the fixing ring, and the raised lines are inlaid into the grooves. The height and the opening size of the garbage basket disclosed by the invention can be adjusted, so that the garbage basket can be adapted to plastic bags of different sizes; the plastic bags are protected by the side fences, so that the plastic bags are not liable to damage.

The invention relates to an ultrasonic vibration meter. The ultrasonic vibration meter comprises an experiment vessel fixing frame (1), wherein the experiment vessel fixing frame (1) is used for fixing an experiment vessel (3) to be ultrasonically vibrated. The ultrasonic vibration meter further comprises an ultrasonic generator (2) arranged in an ultrasonic generator housing (6), wherein the topof the ultrasonic generator (2) is directly contacted with the bottom of the experiment vessel (3). The ultrasonic vibration meter is characterized in that a lifting mechanism (4) is arranged at the bottom of the ultrasonic generator (2), and the structure of the lifting mechanism (4) enables the ultrasonic generator (2) to move up and down in the vertical direction. Compared with the prior art, the ultrasonic vibration meter can solve the problem that an interval between the ultrasonic generator and the experiment vessel is enlarged under high frequency ultrasound, and guarantees that the experiment vessel is attached to the ultrasonic generator all the time.

The present disclosure provides a housing assembly, and the housing assembly is applied to an electronic device. The housing assembly includes a first part and a second part. The first part includes at least one opening. The second part includes at least one mesh area. The mesh area deformably connects to the first part, and covers the opening.

The invention discloses a multifunctional vehicle-mounted cup frame. The multifunctional vehicle-mounted cup frame comprises a shell assembly, a rotating inner container assembly, an inner containingassembly and a rotating opening assembly. The shell assembly is sleeved with the rotating inner container assembly, and is in matched connection with the rotating inner container assembly through a sliding groove, the interior of the rotating inner container assembly is sleeved with the inner container assembly, the rotating opening assembly is buckled on the top of the shell assembly to form a seal structure with the shell assembly, and by rotating the rotating opening assembly, the opening of the vehicle-mounted cup frame is opened or closed. The vehicle-mounted cup frame has multiple functions, can fix a water cup, prevent the water cup from sliding caused by bumping or vibrating along with a vehicle, and keep warm, and can be placed in an original center storage box of the vehicle without occupying redundant space. In addition, the vehicle-mounted cup frame can be carried about alone.

The invention provides a clamp for COC collimating lens coupling. The lens is composed of a square part and mirror surface parts protruding outwards from the square part to the two sides in the thickness direction. The clamp comprises a lens clamp and an optical device clamp. The lens clamp has multi-dimensional motion freedom degree, and the fed lens is clamped and moved to a lens coupling position on the optical device clamped by the optical device clamp to be coupled. The lens clamp has the advantages of being flexible and high in coupling precision and is easy to control, opening and closing of the lens clamping jaw are smooth and free of impact, the opening degree is adjustable, the pressure sensor is further arranged on the connecting arm of the lens clamp, the contact condition canbe detected, and collision is prevented; the optical device clamp has the advantages of being flexible and convenient in feeding and discharging operation and high in clamping and positioning reliability.

The invention discloses a dust-proof device for an outdoor unit of an air-energy water heater, which relates to the technical field of heat pump equipment. It mainly solves the problem that the outdoor unit of the air-energy water heater is contaminated with dust and is not easy to clean during use. The device mainly includes an outdoor unit body, One side of the outdoor unit body is equipped with a transmission mechanism, an adjustment mechanism, a rainproof mechanism, a dustproof mechanism, and a detection mechanism. Through the rotation of the rotating motor, the flexible filter can be driven to move, thereby opening the first diamond-shaped exhaust hole, which is convenient for outdoor The hot air in the machine body is discharged, and the first diamond-shaped exhaust hole is blocked when not in use to prevent dust from entering. The beneficial effect of the invention is that, by adjusting the position of the flexible filter net, dust is prevented from being contaminated on the protective net, and the flexible filter net can be disassembled without cleaning the protective net, which is convenient for cleaning.

An adjustable spray head includes a coaxial spray head and an adjusting device. The coaxial spray head includes an outer tube, an inner tube, a needle valve, a gas inlet, and a material inlet. The inner tube is coaxially positioned in the outer tube. One end of the outer tube has an outer exit. The needle valve is coaxially positioned in the inner tube. One end of the inner tube has an inner exit. The top end of the needle valve can be inserted into the inner exit. The adjusting device includes a clamping member, a transmission gear, and a driving motor. The clamping member includes a clamping portion and a teeth bar. The clamping portion clamps the needle valve. The teeth bar is engaged with the transmission gear. The driving motor drives the transmission gear to rotate to drive the clamping member to move linearly.

The invention provides a railway overhead longitudinal beam mounting and positioning auxiliary device, which belongs to the field of railway engineering equipment and at least comprises two positioning auxiliary devices arranged on two sides of a longitudinal beam and a cross beam correspondingly, wherein the longitudinal beam and the cross beam are I-shaped steel profiles; the positioning auxiliary device comprises a positioning piece and an auxiliary fixing piece; the auxiliary fixing piece is correspondingly and fixedly clamped on the outer side of a beam plate at the upper end of the cross beam; and the positioning piece is slidably connected to the auxiliary fixing piece in the beam body direction of the cross beam, and one end of the inner side of the positioning piece is separated from or abuts against the outer side of a beam plate at the lower end of the longitudinal beam. The positioning auxiliary device is small and compact in structure and convenient to carry and install, the problem that positioning is difficult when the longitudinal beam and the cross beam are installed is solved, the manual labor intensity can be reduced, manpower resource consumption is reduced, the installation efficiency and installation precision of the longitudinal beam are improved, and interference to a railway transportation line is reduced.

The invention provides a damper regulator of a gas cooker. A damper hole is formed in a regulation base which is provided with a movable damper; the regulation base is provided with a driving device for driving the movable damper to rotate so as to regulate the coincidence degree of the movable damper and the damper hole; the movable damper is rotatably arranged on a positioning shaft of the regulation base and is provided with a reset device; the movable damper comprises a crank and a damper swing, the damper swing can swing back and forth between the damper hole and the regulation base, a brake cable is fixedly arranged on the crank, and the other end of the brake cable is connected with the driving device; the driving device comprises a stay wire supporting seat, a plumb bob connecting seat is arranged in the stay wire supporting seat, one end of the plumb bob connecting seat is connected with the brake cable, and the other end of the plumb bob connecting seat is connected with a slider; the slider is slidably arranged in the stay wire supporting seat, a screw rod sleeves the slider, and the screw rod is rotatably arranged on a screw positioning block. The size of the opening of an air duct can be regulated by use of the damper regulator, and the individual needs in the installing positions can be met.

The invention discloses a dust recovery cover for tea processing, and relates to the technical field of range hoods. The dust recovery cover for tea processing comprises a top cover plate and a firstouter-packaging ring, and a first smoke inlet pipe is fixedly connected to the inner surface of the top cover plate; a first net cover is fixedly connected to the other end of the first smoke inlet pipe; a circular pipe is fixedly connected to the inner surface of the first smoke inlet pipe; a second smoke inlet pipe is matched to the inner surface of the circular pipe; a second net cover is fixedly connected to the other end of the second smoke inlet pipe; an outer decorative cover is fixedly connected to the outer surface of the top cover plate; a plurality of sliding grooves are formed in the inner surface of the first outer-packaging ring; and a second outer-packaging ring is slidably connected to the inner surface of the first outer-packaging ring through the sliding grooves. According to the dust recovery cover for tea processing, through the mutual coordination between the inner surface of the first outer-packaging ring and the outer surface of the second outer-packaging ring and the sliding up and down of the second smoke inlet pipe, the problems that the height of an existing range hood is relatively high from a stove, and the smoking effect of the range hood is not obvious during working are solved.

A supporting frame of the rocking chair (or bed) is composed of a pair of tracks, a pair of centrally pivoted supporting rods, a pair of fixing holders respectively fixed to one end of each track to form a rotary link at one end of supporting rod, a pair of slide ways respectively fixed to another end of each track, a pair of slide holders on the slots of slide ways to form a rotary link at another end of supporting rod, and a pair of lining pads matched with tracks.

The invention discloses a tracheal cannula adapter and a tracheal cannula. The tracheal cannula adapter comprises a cylindrical adapter head; a plurality of annular flanges are arranged on the inner wall of the adapter head; the inner diameter of each annular flange is gradually reduced from bottom to top; the annular flanges are integrally formed; an annular groove is formed between every two adjacent annular flanges; and the diameter of each annular groove is gradually reduced from bottom to top. The trachea cannula adapter can effectively solve the problems that an existing metal trachea cannula is diverse in size and cannot be connected with different instruments such as a breathing machine, a breathing air bag, a disposable heat and moisture exchanger and a filter for use.

The invention discloses a multifunctional open spanner which comprises a spanner body with an opening part and a plurality of plug pieces. The open part is of a U-shaped structure with a first side wall and a second side wall which are opposite to each other, the plug pieces are parallel to the first side wall and located between the first side wall and the second side wall, and one end of each plug piece is rotationally connected to the bottom of the U-shaped structure of the opening part. The multifunctional open spanner aims at overcoming the defects in the prior art, and the open spanner capable of adjusting the size of an opening is provided and is suitable for overhauling equipment of a hydraulic power plant.

The invention provides a mutually-opened vehicle window and a rail vehicle, and belongs to the technical field of rail vehicles. The mutually-opened vehicle window comprises a window frame; two movable window sashes are arranged in the window frame; the movable window sashes are movably connected with the window frame through neutral equilibrium mechanisms; the movable window sashes move up and down by means of the neutral equilibrium mechanisms and can stay at any position of a route; and the two movable window sashes are used in cooperation to be closed or opened, and the opening size and position are adjustable when the two movable window sashes are opened. The mutually-opened vehicle window is used for solving the problem that in an existing railway vehicle running at a low speed, the riding comfort is affected due to the fact that the opening position of the vehicle window cannot be adjusted.

The invention provides a feeding mechanism used for coupling of multi-path single-mode COB module lenses. The feeding mechanism comprises a lens feed assembly and a lens clamp assembly. The lens feedassembly is mainly composed of a loading case and a material stirring structure. A loading trough where the lenses are loaded is formed on the one side of the loading case, the lenses are placed in the loading trough side by side and are limited in the loading trough through a limiting structure arranged on the loading case, and therefore the lenses are prevented from moving out from the side faceof the loading trough. The material stirring structure comprises a material stirring block and a material stirring block drive portion driving the material stirring block to move, the material stirring block is inserted into the loading trough and stirs out the lenses from the top end of the loading case to the upper portion in sequence, and the lens clamp assembly clamps and moves the stirred-out lenses to the corresponding coupling positions to be coupled. The feeding mechanism is suitable for feeding operation of micro lenses, and feeding efficiency is effectively improved; and meanwhile,through an inner trough arranged in the loading trough, inner arc faces arranged on lens clamping jaws and the like, the situation that the phenomena of friction, colliding and the like happen in theprocess of feeding the plane parts of the lenses, and damage is caused can be avoided.

The invention provides a simple surgical anti-splashing device which comprises a bracket and a membrane body. The membrane body is provided with two operation openings and one air guide opening, the membrane body is connected with the bracket, and a sealing cover is arranged outside the bracket. The simple surgical anti-splashing device can quickly provide first-line medical staff with isolated surgical space, and the risk of infection is reduced; and the secondary pollution caused by the operation in front of a hospital bed is reduced, and a pollution source is limited inside an isolation device as much as possible.

The invention discloses a movable three-dimensional wind power generation device. The movable three-dimensional wind power generation device comprises a base, a wind collection device and walking wheels arranged at the bottom of the base, wherein the base is of a plate-shaped structure and comprises a mounting layer and a stable layer, the upper end, close to the wind collection device, of the base is provided with a lifting frame, the lifting frame is fixedly connected to the mounting layer, the end, away from the mounting layer, of the lifting frame is provided with a connecting plate, and the connecting plate is used for being connected with the wind collection device. The wind collection device is in a hollow rectangle shape, and comprises a shell, wherein the shell is fixedly connected to the connecting plate and is internally provided with a plurality of transverse partition plates, the hollow cavity of the shell is partitioned into several wind collection inner cavities by the partition plates, each wind collection inner cavity is internally provided with a wind collection cylinder, each wind collection cylinder comprises a wind collection hood body, a wind collection pipeline and a wind turbine generator, each wind collection hood body is fixedly connected with the corresponding wind collection pipeline, an open end of each wind collection hood body communicates with the corresponding wind collection pipeline, and through the wind collection pipelines, wind power is collected and guided to the wind turbine generators.