24results about How to "Reduce encroachment" patented technology

The utility model relates to the field of oil well sealing, in particular to an oil well sealing device. The oil well sealing device comprises a base pipe, extrusion rings are arranged at the positions, located at the two ends of each sealing ring, of the base pipe, at least one of the extrusion rings at the two ends of each sealing ring is slidably arranged on the base pipe in a sleeving mode, and the end face of at least one end of each sealing ring is in conical face fit with the end face of the corresponding extrusion ring. Due to the fact that the end faces of the sealing rings are matched with the conical faces of the end faces of the corresponding extrusion rings, when the extrusion rings are stressed to extrude the sealing rings in the middle, the sealing rings can expand outwards under the action of the conical faces till the sealing rings are expanded to the inner wall of the sleeve, and at the moment, the deformation amount of the sealing rings is equal to the radial thickness of the sealing rings. In other words, the radial thickness of the sealing ring can be reduced, and occupation on the inner diameter of the base pipe is reduced; therefore, the problems that in the prior art, a packer extrudes a rubber sleeve, the length of the rubber sleeve is reduced, the thickness of the rubber sleeve is increased, the initial thickness of the rubber sleeve is large, the inner diameter of a base tube is affected, and use of a setting tool is limited are solved.

The utility model relates to a bathroom handrail, including mounting seat and handrail body, the handrail body is U-shaped and makes handrail body have two mutually parallel handrail rods, two the rear end of handrail rod is rotatably connected on mounting seat, two the handrail rod each sliding sleeve is equipped with a sliding sleeve on, the sliding sleeve is rotatably connected with support arm, the support arm other end is rotatably connected with mounting seat, the first limit surface is formed on the handrail rod, when the handrail body swings to the horizontal position, the sliding sleeve is on the first limit surface. This bathroom handrail is more smaller when storage to bathroom space encroachment, can more fully utilize bathroom space, is convenient for bathroom use.

The utility model discloses a connecting piece for quickly installing a relay, and belongs to the technical field of electrical equipment auxiliary installation devices. The device comprises a back plate, vertical plates are arranged on the left end side and the right end side of the back plate; the extending ends of the two vertical plates are provided with folded plates extending towards the inner sides. A plurality of first connecting holes are formed in the folded plate; a U-shaped clamping plate is mounted on the upper side of the back plate; two side plates of the U-shaped clamping plate respectively cross the side surfaces of the front end and the rear end of the back plate and are arranged downwards; a plurality of second connecting holes are formed in the middle of the U-shaped clamping plate and the opposite end face of the back plate; a heat dissipation block is detachably mounted between the two side plates of the U-shaped clamping plate; according to the utility model, the problems of inconvenient installation and poor heat dissipation effect when the relay is installed in some narrow space positions at present are effectively solved.

The utility model discloses a lifting door device and a battery replacing station. The lifting door device comprises a door frame, a door body, a driving mechanism, a transmission mechanism and a counterweight part, the door body is arranged in the door frame in a lifting and moving mode, the transmission mechanism is connected between the door body and the balance weight part, the driving mechanism is arranged above the door body and connected to the transmission mechanism, and the driving mechanism drives the door body to move up and down in the vertical direction. According to the lifting door device and the battery swap station, the driving mechanism is arranged above the door body, so that the occupation of the driving mechanism on the peripheral space of the lifting door can be reduced. The overall width of the lifting door device is reduced, the overall integration degree and the space utilization rate are improved, by arranging the balance weight part, the power requirement for the driving mechanism can be reduced, and therefore the size of the driving mechanism is reduced, and the space utilization rate is increased.

The invention relates to the technical field of automobile part structures, in particular to a hub motor wheel edge integration structure, an assembling method and an automobile. Comprising a rim and a hub motor, the rim is of a hollow spoke-free annular structure, and a first connecting structure is arranged at the end, away from a vehicle body, of the rim; the hub motor comprises an outer rotor shell; the outer rotor shell is sleeved with the rim, a second connecting structure is arranged at the end, away from the vehicle body, of the outer rotor shell, and the end, close to the vehicle body, of the outer rotor shell is fixedly connected with the suspension. The outer rotor shell is fixed in the rim through the first connecting structure and the second connecting structure, so that the outer rotor shell is flush with the end, away from the vehicle body, of the rim. The hub motor wheel edge integration is simple in structure and convenient to assemble and use, the utilization rate of the inner space of the rim is effectively increased, the weight of a wheel assembly is reduced, space matching of the rim and the motor in the Y direction and the Z direction is more compact, arrangement of the hub motor and a suspension is facilitated, and the vehicle control performance is improved.

The application discloses a double-specification inoculation ring push-scraping groove mold, which comprises a limiting plate one arranged in a rectangular plate body structure, a butt joint column one end symmetrically connected to the bottom end of the limiting plate one, and the other end of the butt joint column connected to the surface of a limiting plate two, the bottom end of the limiting plate one hingedly connected to a front fixed plate, and a positioning ring symmetrically arranged on the two sides of the front fixed plate. The double-specification inoculation ring push-scraping groove mold is provided with a push-scraping groove one and a push-scraping groove two arranged on the surface of a male mold plate in an interlaced and equidistant manner. Due to the symmetrical circular groove structure of the two ends of the push-scraping groove one and the push-scraping groove two, the two ends of the push-scraping groove one and the push-scraping groove two are penetrated by a pulling needle and a ejector pin rod according to production needs, the inoculation ring is inoculated in the interior of the push-scraping groove one and the push-scraping groove two through the penetration of the pulling needle and the ejector pin rod, the formed inoculation rings of different sizes are pushed out, the corresponding ejection environment is provided for the inoculation rings of different sizes, and the application range of the pulling needle and the ejector pin rod is increased.

The present application relates to the technical field of refrigeration equipment, and particularly provides an ice-water module of a refrigeration equipment and the refrigeration equipment, aiming to solve the problem of condensation and cold leakage of the dispenser of the ice-water module of the door body of the existing refrigeration equipment. The refrigeration equipment comprises a freezing area and a first door body capable of isolating the freezing area from the outside. The first door body is provided with an ice-water module in communication with the freezing area. The ice-water module comprises a dispenser and a second door body. The first side of the dispenser is in communication with the freezing area, and the second side is used for outputting ice water. The second door body is provided in the form of a side-opening door and isolates the second side of the dispenser from the outside when closed. The second door body further comprises a sealing element for sealing. By adding the second door body to the ice-water module of the first door body of the refrigeration equipment, the second door body can effectively isolate the second side of the dispenser from the external environment when the ice water is not taken, thereby significantly reducing the leakage of cold from the freezing area to the outside through the dispenser and reducing the condensation phenomenon caused by the temperature difference between the inside and the outside.

The utility model discloses a tunnel ventilation device, relates to the field of ventilation equipment, and aims to solve the problem that a lifting type cleaning element of an existing filter screen occupies more vertical space, an overturning mechanism is arranged to drive a rotating plate and a telescopic plate to move, and the position of the telescopic plate and a cleaning brush connected to the telescopic plate is changed. The cleaning brush can face the filter screen or the telescopic plate can be withdrawn to the outer side of the ventilation pipeline, the space above the ventilation pipeline can be reduced by switching in an overturning mode, therefore, the clear height of the whole device can be increased, the influence on external vehicles is reduced, meanwhile, the cleaning brush enters meshes of the filter screen in a penetrating mode, the cleaning effect is guaranteed, and the cleaning efficiency is improved. The ventilation effect of the filter screen is improved.

The utility model relates to an automobile rear floor boundary beam assembly and an automobile, the overall structure is large in the middle and small in two ends, and the automobile rear floor boundary beam assembly comprises a rear floor boundary beam rear section, a rear shock absorber buffer bracket mounting plate, a rear shock absorber buffer bracket reinforcing piece, a rear floor boundary beam front section and a rear shock absorber buffer bracket reinforcing plate; the front end part of the rear floor edge beam rear section and the rear end part of the rear floor edge beam front section are fixedly connected together through a rear shock absorber buffer bracket mounting plate, a rear shock absorber buffer bracket reinforcing piece, the rear floor edge beam front section and a rear shock absorber buffer bracket reinforcing plate; and the rear shock absorber buffer bracket mounting plate, the rear shock absorber buffer bracket reinforcing piece and the rear shock absorber buffer bracket reinforcing plate form a rear shock absorber buffer bracket structure. According to the utility model, the section of the cavity can be enlarged to the maximum extent, and meanwhile, the occupation of the chassis space is reduced.

The invention discloses a multifunctional aviation plug extension cord for mechanical characteristic test of circuit breaker, wherein a female plug interface, a mechanical characteristic tester connection port and an extension cord interface are integrated on a female plug housing, and the extension cord cable is connected to a male plug on a switch cabinet side, and the electrical connection between them is controlled by a switching switch. The multifunctional aviation plug extension cord connection mode for mechanical characteristic test of circuit breaker of the invention is efficient and convenient, which reduces the encroachment on the time of the entire circuit breaker maintenance construction due to the long time of mechanical characteristic test of 10KV circuit breaker, improves the speed of circuit breaker construction, improves the power supply reliability, and optimizes the connection mode between the circuit breaker aviation plug and the control line, making the connection of the control line simpler, clearer, safer and more reliable.

The utility model discloses a new energy commercial vehicle battery pack installation device, which relates to the technical field of new energy vehicles, and comprises a longitudinal beam and a battery pack arranged on the longitudinal beam, the battery pack is provided with a side support, and the side support is connected with the longitudinal beam. The battery pack is directly connected with the longitudinal beam of the automobile through the side bracket on the battery pack, so that the occupation of the battery pack on the Z-direction space of the automobile body is reduced, the ground clearance of the battery pack is increased, the capacity and size of the battery pack are conveniently increased, and the bearing capacity of the automobile is further conveniently improved.

The utility model discloses a photovoltaic installation structure with an adjustable photovoltaic coverage rate, and relates to the technical field of photovoltaic agriculture. The device comprises a plurality of photovoltaic units arranged in an arrayed manner, a transmission shaft and a driving part, each photovoltaic unit comprises a support and a photovoltaic panel hinged to the upper end of the support, and the support is further provided with a lead screw adjusting mechanism used for adjusting the inclination angle of the photovoltaic panel; the transmission shaft is used for connecting the lead screw adjusting mechanism of each photovoltaic unit so as to synchronously adjust the inclination angle of the photovoltaic panel of each photovoltaic unit; the driving component is in transmission connection with the transmission shaft to drive the transmission shaft to rotate. According to the utility model, the plurality of photovoltaic units are arranged, the photovoltaic panel of each photovoltaic unit is driven by the lead screw adjusting mechanism to adjust the inclination angle, and the lead screw adjusting mechanism of each photovoltaic unit is connected through the transmission shaft, so that the inclination angle of the photovoltaic panel of each photovoltaic unit is synchronously adjusted, the structure is simple, the adjustment is convenient, and the operation is convenient. In addition, the occupation of agricultural land is reduced, and the comprehensive benefits of the photovoltaic open-air planting system are improved.

The invention relates to the technical field of building design and construction, in particular to a staged forming bridge and tunnel composite structure which comprises a frame tunnel, gate-type piers and a beam part, a bearing platform is arranged at the bottom of the frame tunnel, a pile foundation is arranged at the bottom of the bearing platform, and the bearing platform and the pile foundation are used for bearing an upper structure; the frame tunnel comprises two side walls and at least one middle wall, and the middle wall is located between the two side walls; the gate-type pier comprises two side buttresses, at least one middle buttress and a cover beam, the middle buttress is located between the two side buttresses, the side buttresses and the middle buttress are used for bearing the cover beam, and the beam part is arranged on the cover beam; the two side buttresses correspond to the two side walls in position, the middle buttresses correspond to the side buttresses in position, and the thickness of the middle buttresses is not larger than that of the middle walls; and a rear support is arranged between the top of the middle buttress and the cover beam, and the rear support is mounted after the gate-type pier and the beam part are loaded. The bridge and tunnel combined structure can effectively reduce occupation of the road width, and balance between structural stability and road space maximization is achieved.

The present application belongs to the field of medical devices, and particularly relates to a liver negative pressure suction device, which comprises a negative pressure suction device, a multi-cavity negative pressure pipeline, a control device, a negative pressure pipeline and a negative pressure joint. The flexible silica gel ring is used as the negative pressure suction device. The device is first placed into the cavity through a puncture of a laparoscope, and is then placed between the liver and the abdominal cavity diaphragm of a patient. The liver and the abdominal cavity diaphragm are then attracted together through negative pressure. The abdominal cavity diaphragm is lifted by a pneumoperitoneum device, and the liver is pulled away from the stomach, so as to achieve the purpose of facilitating minimally invasive surgery of the stomach. The device can monitor the pressure change in real time during the process of pulling the liver, and is provided with an alarm device, which can remind medical staff to adjust in time, so as to ensure the suction effect and minimize the damage to the liver.

The utility model relates to a heavy-load wheel-side planetary reducer which is characterized in that an input flange is connected with a fixed flange, and an input shaft is arranged in the fixed flange; the connecting flange is connected with the fixed flange, and the first double-row full roller bearing is arranged between the fixed flange and the connecting flange; the connecting flange, the flange gear ring and the rotating shell are fixedly connected; a high-speed shaft is arranged on the center shaft in the rotating shell, one end, close to the fixed flange, of the high-speed shaft is in transmission connection with the input shaft, a planetary gear train is arranged on the high-speed shaft, a gear ring is arranged on the inner wall of the flange gear ring and is in meshing transmission with the planetary gear train, and a second double-row full roller bearing is arranged between the planetary gear train and the rotating shell. The planetary gear train is used for supporting the rotary shell under rolling friction; a plurality of deep groove ball bearings are arranged between the planetary gear train and the input shaft and between the planetary gear train and the high-speed shaft and used for supporting the planetary gear train. The utility model has the advantages that the radial load bearing capacity is effectively improved; heating is reduced, and transmission efficiency is improved; and the hub reduction requirement under the heavy-load working condition is met.

The utility model discloses a pair of distraction forceps for fixing in a posterior spine. The pair of distraction forceps comprises a first forceps body, a second forceps body, an elastic component and a fixing component, the first clamp body and the second clamp body are rotationally connected in the middle, and a containing space is formed between the tail of the first clamp body and the tail of the second clamp body. The elastic assembly and the fixing assembly are arranged in the containing space, and the elastic assembly is used for driving the tails of the first clamp body and the second clamp body to be away from each other. The elastic assembly and the fixing assembly are both arranged in the containing space, compared with existing distraction forceps, the phenomenon that parts are arranged on the forceps body in a protruding mode can be avoided, so that occupation of the surgical operation space is reduced, the surgical field is provided, meanwhile, the surgical operation difficulty is not increased, and the phenomena that surgical gown and gloves are hooked and connected are avoided; the injury to a patient caused by mistaken touch during surgical operation is avoided, and the surgical safety and the surgical efficiency are improved.

The utility model discloses a hoistway high-utilization-rate passenger elevator without a machine room, which comprises a hoistway structure and an extending hoistway part integrally constructed on one side of the hoistway structure, in actual construction, the extending hoistway part is additionally constructed on the top of the hoistway structure, and the same structure and raw materials are adopted, so that the hoistway high-utilization-rate passenger elevator without the machine room is formed. The space of an inner cavity of the shaft structure is completely communicated with the space of an inner cavity of the extending shaft part, a lift car runs in the inner cavity of the shaft structure in the vertical direction, two traction machines which are equal in height and parallel to each other are fixed in the extending shaft part, an output shaft of each traction machine is coaxially connected with an inner supporting shaft, each inner supporting shaft is fixedly sleeved with a wire bunching cylinder, and the wire bunching cylinders are fixed to the inner supporting shafts. Annular bunching grooves are formed in the two sides of the outer wall of each bunching cylinder. According to the machine-room-free passenger elevator with the high utilization rate of the hoistway, use of the top space of the hoistway structure is greatly reduced, the four sides of the elevator car are closer to the inner walls of the four sides of the hoistway structure, waste of the inner space of the hoistway structure is reduced, and the space utilization rate is greatly increased.

The utility model provides a suspension system and a vehicle, the suspension system comprises a primary suspension unit and a secondary suspension unit; the first-stage suspension unit comprises a mounting frame, and a front suspension bushing and a rear suspension bushing which are arranged on the mounting frame, and the front suspension bushing and the rear suspension bushing are connected with the power assembly; the second-stage suspension unit comprises two front suspension assemblies and two rear suspension assemblies, wherein the two front suspension assemblies and the two rear suspension assemblies are arranged on the left side and the right side of the mounting frame respectively. According to the suspension system, through the arrangement of the first-stage suspension unit and the second-stage suspension unit, the vibration isolation effect of the whole vehicle is improved, the front suspension assembly and the rear suspension assembly are both arranged on the left side and the right side of the installation frame, and the front suspension lining and the rear suspension lining are both arranged on the installation frame; the occupation of the suspension structure on the energy absorption space is reduced, and the collision resistance and the offset collision condition score of the whole vehicle body are improved.

The utility model discloses a battery pack with a charging function, and relates to the technical field of batteries. The battery pack comprises a shell, a BMS assembly, a BDU assembly, battery cells and a charging circuit, the charging circuit comprises a charging main circuit and a plurality of charging branch circuits, the shell is provided with a charging external connection end, the charging main circuit is connected to the charging external connection end, the charging branch circuits are connected to the charging main circuit in parallel, each charging branch circuit is connected with the corresponding battery cell, and the battery cells are connected to the charging main circuit. Each electricity supplementing branch line is provided with a branch switch used for controlling on-off of the branch line. And the selection controller is electrically connected with the plurality of branch switches, and the selection controller is also electrically connected with the BDU assembly. According to the battery pack with the charging function, the independent charging circuit is arranged in the battery pack, so that the low-voltage battery core in the battery pack can be independently charged through the charging circuit, and the voltage difference of the battery pack during charging and discharging is reduced.

The utility model discloses a rope shearing device and an embroidery machine, and relates to the technical field of embroidery. The rope shearing device comprises a rope shearing assembly and a rotary lifting assembly, the rotary lifting assembly is vertically installed downwards, the rope shearing assembly is arranged at the lower end of the rotary lifting assembly, the rotary lifting assembly is used for driving the rope shearing assembly to descend and rotate to the position of a rope, the rope shearing assembly comprises a movable cutter and a fixed cutter, and the movable cutter and the fixed cutter are hinged to each other. And the movable cutter and the fixed cutter are matched with each other to cut off the rope. According to the rope shearing device and the embroidery machine, the rope shearing device is simple and practical in structure, does not occupy too much installation space in the embroidery machine, is convenient to install, and can effectively avoid a tabouret and accurately shear ropes in the embroidery machine in cooperation with a rope shearing control method.

The utility model discloses a control motor of built-in shutter, including L type drive subassembly, stroke operation subassembly and rechargeable battery, L type drive subassembly, stroke operation subassembly and rechargeable battery are electrically connected in proper order, L type drive subassembly includes L type plastic shell, the reduction motor of one end inside L type plastic shell is installed, the hexagonal bar of rotation installation in the other end of L type plastic shell, through design L type corner drive subassembly, stroke operation subassembly and the split structure of three parts of rechargeable battery through line connection, can avoid traditional integrated design size bigger, the section size too small can not satisfy the installation situation, in addition L type corner drive plastic shell reduces the encroachment to the internal space of upper section, avoids section size too small and can not satisfy the installation of motor, and the large capacity rechargeable battery of can charging is designed, and the charging port of cooperation design can repeatedly charge and use the rechargeable battery, is more convenient.

The utility model relates to transformer technical field, concretely relates to a kind of high-efficiency space utilization ratio's plane transformer framework, including framework body and several PIN needles, the installation site for installing transformer coil is equipped on framework body, several PIN needles are respectively worn in the edge position of framework body, the top end of PIN needle extends upwards arrangement and is electrically connected with corresponding transformer coil terminal, the bottom end of PIN needle is equipped with the bending part of inward bending, and bending part is abutted with corresponding solder pad when welding.The utility model realizes the fixation of framework body by the bending part of inward bending, can reduce the encroachment to edge position when the installation of traditional transformer, and need not be slotted on PCB, reduce processing procedure, to lower production cost, improve production efficiency.

This application relates to the field of vehicle technology, and more particularly to a license plate mounting structure and a vehicle. The license plate mounting structure includes: a sheet metal part with a through hole extending along its thickness; a mounting bracket disposed on the side of the sheet metal part facing the vehicle interior, defining a mounting groove with one open end opposite to the through hole; and a decorative panel fixed within the mounting groove, recessed into the outer surface of the sheet metal part, for mounting the license plate. The license plate mounting structure provided by this application helps to solve the problem of increased vehicle weight caused by the deep license plate recess design in related technologies.

The embodiment of the utility model provides a vehicle body assembly and a vehicle, and belongs to the technical field of vehicles. The vehicle body assembly comprises a vehicle body and a vehicle door in sliding connection with the vehicle body; the first bracket is connected with the vehicle door; the second bracket is connected with the vehicle body; the flexible component is arranged on the floor plane of the vehicle body, one end of the flexible component is connected with the first support, and the other end of the flexible component is connected with the second support. A connecting wire harness is arranged in the first support, the flexible component and the second support in a penetrating mode and used for connecting the vehicle body and the vehicle door. When the vehicle door slides relative to the vehicle body, the first support and the flexible component synchronously slide along the horizontal plane relative to the second support. According to the vehicle body assembly provided by the embodiment of the invention, the height of the whole vehicle floor is consistent without steps, and the internal arrangement space of the vehicle is saved.