968 results about "Back support" patented technology

An actuating mechanism for a powered furniture piece comprises a base, a seat rail operatively connected to the base, a back support bracket, a footrest mounting bracket, an ottoman drive link, a linear actuator, and a control link, such that when the linear actuator is extended to a first predetermined position, the footrest mounting bracket will be moved from a retracted position to an open position, the back support bracket will be maintained at an upright position, whereby the actuating mechanism will be disposed at a TV position, and when the linear actuator is extended to a second predetermined position, the back support bracket will be moved from the upright position to a reclined position whereby the actuating mechanism will be disposed at a fully RECLINED position.

The invention discloses an automatic bag feeding packaging production line, and relates to the field of bag feeding packaging machines, the automatic bag feeding packaging production line comprises a rack, a rotary table and a machine clamping assembly, and further comprises an auxiliary exhaust mechanism which is arranged at a heat sealing station and located on a bag moving path, and the auxiliary exhaust mechanism comprises a back supporting plate, an extrusion rod piece and a force application assembly; the extrusion rod piece comprises a cross rod and an inclined rod, the inclined rod and the cross rod are arranged at an included angle, the cross rod is located at a first height position above the height of materials in the bag, and through the synergistic effect of the cross rod and the inclined rod in the auxiliary exhaust mechanism, the extrusion rod piece acts on the area above the height of the materials in the bag, redundant gas in the bag is extruded, and the residual air amount is reduced; the sealing performance and the packaging appearance flatness after heat sealing are remarkably improved, the inclination angle design of the inclined rod and the extrusion rod piece with the adjustable height can adapt to the coexistence scene of solid floating objects and liquid, the liquid is prevented from overflowing to a bag opening, meanwhile, the floating objects are pushed and pressed to the position below the liquid level, and it is ensured that the exhaust process is stable and reliable.

An exercise bench includes a base frame having a left side rail with a channel and a right side rail with a channel, and a support system having a front bar and a rear bar extending substantially parallel to one another; rear angled support bars extending from the rear bar to the left side rail and the right side rail; and front angled support bars extending from the front bar to the left side rail and the right side rail; a mid-frame having wheels for engaging with the channels; a seat frame coupled to the mid-frame; a seat support and a back support each coupled to the seat frame; and receivers extending from one or more of the left side rail, the right side rail, the front bar, and the rear bar; the seat support and the back support are independently adjustable; and the receivers are to receive attachments.

A convertible seat for a marine vessel includes a seat base having a seat bottom and a seat back which extends transversely upwardly relative to the seat bottom, a back supporting cushion for an occupant seated on the seat bottom, a table coupled to the back supporting cushion, and a pivot mechanism which couples the table to the seat back, the pivot mechanism being configured such that the back supporting cushion and the table are movable into a storage position in which the table is sandwiched between the seat back and the back supporting cushion and a deployed position in which the table provides a supporting surface over the seat bottom.

The chair of the present invention includes a seat, a backrest, and a support structure supporting the seat and the backrest. The backrest includes an arm portion and a back support portion. The support structure includes a first shaft portion, a second shaft portion, a third shaft portion, a fourth shaft portion, a support base, an arm support portion, and a support link.

An apparatus includes a seat cushion, a seat back supported relative to the seat cushion, wherein at least one of the seat back and the seat cushion includes at least two side bolster regions spaced apart laterally from each other, and a plurality of fluid bladders associated with each of the at least two side bolster regions. At least a subset of fluid bladders in each side bolster region are aligned with each other. Pressure in each fluid bladder is selectively adjustable in a plurality of directions.

The invention discloses a large fixed-wing unmanned aerial vehicle fire extinguishing performance evaluation test method, and relates to the field of aviation equipment. The method solves the problem that quantitative evaluation of fire extinguishing agent throwing precision and effective coverage range of a large fixed-wing unmanned aerial vehicle in a complex wind field environment is difficult, scale test parameter design is carried out based on similarity criteria and reference wind tunnel size, and then test model (unmanned aerial vehicle and fire extinguishing agent water tank) and adjustable cabin door structure design are carried out. The unmanned aerial vehicle model is installed on the upper tunnel wall of a wind tunnel through a lifting supporting rod in a back supporting mode, the fire extinguishing agent measuring system is installed on the central axis of a wind tunnel test section and is vertically aligned with a water tank, finally a large fixed-wing unmanned aerial vehicle fire extinguishing performance evaluation wind tunnel test is carried out, the effective range of a fire extinguishing agent is quantitatively treated, and the fire extinguishing performance is evaluated. The test method can effectively research the fire extinguishing performance of the large unmanned aerial vehicle under the influence of the flight speed, the launching angle, the height and the like of the unmanned aerial vehicle.

The invention discloses an electric power inspection exoskeleton modular structure, and belongs to the technical field of human body exoskeleton machine assistance, the electric power inspection exoskeleton modular structure comprises a supporting system, the supporting system comprises a back supporting plate, a waist supporting frame and thigh supporting rods, and a main body supporting frame is formed; the modular interface system comprises at least one group of mechanical interfaces, electrical interfaces and data interfaces which are uniformly distributed on a force transmission path of the support system; the functional module comprises a plurality of interchangeable power assisting modules, operation modules and protection modules, and the functional module is detachably connected with the supporting system through the modular interface system; a hybrid drive system includes a rigid driver and a flexible driver for providing position control and compliance force control, respectively. By means of the modular interface system, plug-and-play of functional modules such as power assisting, operation and protection is achieved, needed exoskeleton configuration can be rapidly assembled, multiple sets of exoskeleton equipment do not need to be arranged, and the equipment utilization rate and task adaptability are greatly improved.

The invention provides equipment and a method for automatically and vertically assembling a rocket storage tank cylinder section wall plate. The equipment comprises a working machine head integrated with a friction stir welding machine head and a laser scanning locator, a back supporting assembly, a pressing claw clamping system, a workbench provided with an arc sliding groove and a driving roller, and an auxiliary sliding groove. An arc sliding groove, a driving rolling wheel, an auxiliary sliding groove and a pressing claw system are matched with one another, automatic assembly of the long-cylinder-section wall plate on the workbench can be efficiently completed, and the long-cylinder-section wall plates with different diameters and lengths are compatible; in the assembling process of the long cylinder section wall plate and in the two stages after assembling is completed, the laser scanning positioning instrument detects and discriminates assembling process parameters, and the assembling precision is improved. According to the longitudinal seam welding machine, the long cylinder section wall plates can be automatically assembled quickly and accurately, the assembling precision after assembling is detected, and longitudinal seam welding of the four long cylinder section wall plates is completed with high quality and high efficiency.

A stadium seat includes a mounting base configured to be connected to a support structure, a vertical support extending upwardly from the mounting base, a seat support movably coupled to the mounting base, and a back support coupled to the vertical support. The seat support is movable relative to the mounting base between a first position, in which the seat support is at a first horizontal distance from the vertical support, and a second position, in which the seat support is at a second horizontal distance from the vertical support, the first distance being different than the second distance.

The invention relates to the field of seats, and particularly discloses a zero-gravity seat linkage framework which comprises a driving assembly, a linkage structure, a cushion structure, a leg supporting structure and a back supporting frame, the cushion structure comprises a movable base and a fixed base, and the driving assembly drives the movable base to slide on the fixed base in a limited mode; the back supporting frame is rotationally connected with the movable base through a back mounting rod, and the linkage structure can achieve overturning of the leg supporting structure and rotation of the back supporting frame in the moving process of the movable base. By arranging the linkage structure, the single driving assembly can drive the leg supporting structure to be unfolded or folded and drive the back supporting piece to be turned over, so that switching between a normal sitting posture and a zero-gravity sitting posture is achieved, the comfort is better, and due to the fact that the leg supporting structure and the back supporting piece act separately, the sitting posture is more comfortable. Therefore, the stretched leg support structure can be matched with backrests with various angles, a more flexible and personalized lying posture is further obtained, the manufacturing cost and the assembling difficulty are remarkably reduced through the overall structure, and the adaptability is high.

A magazine holder for use with a firearm. The magazine holder is configured to enable quick, one-hand magazine swaps. To accomplish this task, the user simply guides the firearm handle down along the front side of the back support. An integrated wedge body pushes the magazine slightly outward and away from the back support, thereby providing a clear path for guiding the magazine into the magazine well of the firearm. Once the firearm handle makes contact with the top of the pair of arms, the user pops the magazine out of the pair of arms by rotating the firearm handle outward. Next, while using the back support as a backstop, the user presses down on the firearm handle to slide the magazine fully into the firearm. Upon full insertion, the firearm is loaded and now ready to use.

The utility model, which relates to the technical field of the photovoltaic assembly recovery, discloses a photovoltaic assembly frame dismounting machine comprising a frame, a front pressing mechanism, a back supporting mechanism and a frame dismounting mechanism. Frame disassembling positions are arranged in the machine frame, a rectangular frame body is fixed on the peripheral side, the front face downward pressing mechanism is fixed to the top of the machine frame, comprises a pressing plate and a first driving mechanism and is used for getting close to or getting away from a photovoltaic module, and the back face supporting mechanism is located below the module and comprises a supporting table and a second driving mechanism. The clamping mechanism comprises a manipulator and a third driving mechanism and is used for clamping a photovoltaic module frame; when in use, the front pressing mechanism and the back supporting mechanism are clamped and fixed from the top and bottom of the assembly, and the frame disassembling mechanism is used for disassembling the frame from the periphery. By adopting the frame dismounting machine, the frame dismounting efficiency and the frame dismounting quality of the photovoltaic module can be improved, the problem of fragmentation of photovoltaic glass can be reduced, the junction box can be dismounted, and the recycling value of recycled objects can be improved.

A foldable electric bed includes pivotally connected front and rear frames, first buttock and back supporting units linked together and slide on the front frame, a first actuator disposed with the first buttock and back supporting units, a bottom frame slidably disposed with the rear frame, second buttock, thigh and lower leg supporting units linked together and disposed with the bottom frame, a quick release connected with the first and second buttock supporting units, and a second actuator disposed with the thigh supporting unit and the bottom frame. When the back supporting unit is driven by the first actuator to swing upwardly, the first and second buttock supporting units, the bottom frame, and the thigh and lower leg supporting units are driven to slide forwards.

The invention discloses a movable formwork for pouring construction of a pollution intercepting main pipe protection layer and a construction method. The movable formwork comprises two sets of formwork assemblies arranged oppositely and a connecting structure connected between the two sets of formwork assemblies. The formwork assembly comprises a formwork body, a plurality of walking wheels arranged at the bottom of the formwork body in a controlled lifting mode and a plurality of telescopic supporting rods hinged to the back face of the formwork body, and the telescopic supporting rods are used for supporting the back face of the formwork body when the formwork assembly is used. According to the movable formwork for pouring construction of the pollution intercepting main pipe protection layer and the construction method of the movable formwork, the formwork is moved through the walking wheels, formwork supporting is completed through the telescopic supporting rods, frequent formwork dismounting and mounting and calling of large hoisting equipment are not needed, the construction efficiency is remarkably improved, the construction cost is reduced, and the construction period is shortened. Meanwhile, the construction precision and adaptability are guaranteed, and the influence on traffic around a construction area is reduced.

The invention relates to the field of road construction and maintenance, and particularly discloses a displacement type construction operation area buffer road fence and method.The road fence comprises rear base bottom plates arranged front and back, and rubber pads are attached to the bottoms of the rear base bottom plates; the two rear base bottom plates are connected together through the multiple rear base supporting plates, the side plates are installed in the middles of the two rear base supporting plates close to the outer side, the back supporting clamping plate is installed in the middles of the two rear base supporting plates close to the inner side, the back supporting connecting plate is located on the rear portion of the back supporting clamping plate, and the two sets of side plates are installed at the ends of the back supporting connecting plate respectively; the front ends of the side plates are connected with inclined struts through bolts; when a vehicle collides with the buffering road fence, a vehicle chassis climbs on the buffering road fence through the inclined struts, the inclined struts can rotate on the side plates with the bolts as shafts, the angle suitable for the vehicle chassis is formed, the vehicle chassis is dragged away from the ground, and the back supporting clamping plate rotates backwards and collides with the back supporting connecting plate to be limited. According to the invention, the impact injury of collision to passengers can be reduced to the greatest extent.

The seat capable of improving the waist comfort degree comprises a back supporting piece assembly, a waist supporting piece and a sliding piece, a supporting arm extending forwards is arranged on the back supporting piece assembly, the sliding piece is arranged in a sliding groove of the supporting arm in a sliding mode, the waist supporting piece and the sliding piece are connected in a rotating mode, and a reset piece is arranged between the waist supporting piece and the sliding piece. Therefore, the waist supporting piece can move back and forth along with the sliding piece relative to the back supporting assembly and can also independently rotate relative to the sliding piece and the back supporting assembly. An adjusting supporting assembly is arranged between the sliding piece and the supporting arm and keeps the front-back position of the waist supporting piece, and meanwhile the waist supporting piece rotates on the sliding piece in a self-adaptive mode to be attached to the waist. When the waist leaves the waist supporting piece, the waist supporting piece is reset under the action of the reset piece; whether the waist supporting piece is adjusted back and forth to the comfortable position of different crowds, the waist of the human body is jacked forwards to provide better waist supporting, or the waist supporting piece rotates in a self-adaptive mode to be attached to the waist of the human body, the comfort of the seat for supporting the waist can be well improved.

A back support assembly includes: a back support frame, an elastic support member, a plurality of elastic support rods, and an elastic support sheet. The back support frame has a connection portion. The elastic support member is in a strip shape. Two ends of the elastic support member are connected to the connection portion, and a middle section of the elastic support member is bent towards a direction facing away from the connection portion. One end of each of the plurality of elastic support rods is connected to a side, facing away from the connection portion, of the middle section of the elastic support member, and the other end of the elastic support rod is bent towards a side facing away from the elastic support member and is connected to a back face of the elastic support sheet.

The utility model discloses a waist supporting device and a seat. The waist supporting device comprises a back support, a waist supporting assembly and a control assembly. The waist supporting assembly comprises a fixing cylinder, a telescopic sleeve and a waist rest, the fixing cylinder is connected to the back support and provided with a containing cavity, the telescopic sleeve is arranged in the containing cavity and can slide, the waist rest is arranged on the front side of the telescopic sleeve, and a plurality of gear grooves are formed in the side wall of the telescopic sleeve; the control assembly comprises a control rod, a gear clamping piece and a first elastic piece, the fixing cylinder is provided with a mounting table, the mounting table is provided with a mounting groove, the bottom wall of the mounting groove is provided with a through hole communicating with the containing cavity, the gear clamping piece is provided with clamping teeth and is arranged in the mounting groove, and the first elastic piece is arranged in the mounting groove and can push the gear clamping piece; and the control rod is connected to the mounting table and can drive the gear clamping piece to move, so that the clamping teeth are separated from the gear grooves. According to the waist supporting device, the functions of adjusting the position of the waist rest and automatically locking the waist rest are achieved.

The invention discloses a wearable upper limb exoskeleton and a control method thereof. The wearable upper limb exoskeleton comprises a back support and two arm exoskeletons. Each arm exoskeleton comprises a plurality of translational connecting modules and a plurality of rotary connecting modules which are alternately connected, the back support is connected with one translational connecting module, each translational connecting module comprises a first sub-connecting part, a second sub-connecting part and a telescopic connecting rod joint, and the telescopic connecting rod joints are connected with the first sub-connecting parts and the second sub-connecting parts correspondingly; and the length of the translation connecting part is adjusted. According to the exoskeleton, the telescopic connecting rod joints are arranged in the multiple translation connecting modules and the multiple rotary connecting modules, the length of each translation connecting module can be adjusted, and the exoskeleton can adapt to the shoulder breadth and the large and small arm length of different users. The adjusted exoskeleton size can meet diversified body type requirements, the application range of the product is expanded, and the control method for automatically adjusting the exoskeleton model parameters improves the exoskeleton accurate control capacity.

The present invention discloses a baby stroller with the functions of camper and, based on the camping rack assembly, support assembly, disassembly and assembly structure, folding assembly, and retraction assembly, the camping rack assembly and support assembly cooperate to install the camping rack assembly on the vehicle frame, forming a baby stroller with functions of camper and, during the folding and unlocking process, after pressing the retraction button and pulling the retraction button upwards to unlock relevant components, the handle tube can be pressed downward to move towards the position where the back supports are close to each other, while driving the front support to fold downwards, and during this process, the folding assembly can drive the support assembly, along with the camping rack assembly, to achieve the interlocking folding of the entire vehicle until it is fully folded together.

The present invention relates to a portable bookstand, in particular, to a portable bookstand which is easy to carry due to having a foldable structure, firmly supports a book, and prevents pages from flipping arbitrarily, the portable bookstand comprising: a book back support frame which supports the back of a book; a first page fixing frame which is rotatably coupled to one side of the book back support frame and fixes the page while supporting one side of the book; and a second page fixing frame which is rotatably coupled to the other side of the book back support frame and fixes the page while supporting the other side of the book, wherein the book back support frame, the first page fixing frame, and the second page fixing frame are formed by bending wires, and the book back support frame includes a truss structure formed in an X-shape and is coupled to each of the first page fixing frame and the second page fixing frame that are arranged so that the upper ends forming truss structures face frontward.

An occupant support for a vehicle includes frame including a bottom frame and back frame, a back support, and a bottom support. In a seating configuration, the back support is coupled to the back frame and the bottom support is coupled to the bottom frame. In a transition configuration, the bottom support is removed from the bottom frame.

The invention relates to the technical field of mechanical exoskeletons, in particular to a shoulder and back integrated upper limb exoskeleton which comprises a shoulder and back integrated supporting module composed of a Y-shaped carbon fiber back plate and two arc-shaped carbon fiber shoulder plates, and a hip joint module composed of a carbon fiber waist plate and two carbon fiber connecting rods. The carbon fiber back plate is connected with the carbon fiber waist plate, the upper end of the carbon fiber connecting rod is connected with the carbon fiber waist plate through a rotating shaft structure in the horizontal direction, and the lower end of the carbon fiber connecting rod is connected with a rotating joint connected with a lower limb exoskeleton. The robot is suitable for tasks such as backpack type load bearing and front lifting type carrying, weight can be better borne, pressure is transmitted to the ground, the robot has front-back and left-right bending freedom degrees, and the use requirement and the comfort requirement of human bowing and left-right swinging are met.

The utility model provides a lockable electrical connection conversion device, which relates to railway signals and comprises a main body shell, a support cover, a positioning plate, a support front cover and a conversion circuit board, and at least three rows of first square holes are uniformly formed in the back of the main body shell; a through hole is formed in the top of the supporting cover, a locking rotating shaft is arranged in the through hole, the supporting cover is fixedly arranged on the back of the main body shell, at least three rows of second square holes are evenly formed in the supporting cover, and the second square holes correspond to the first square holes one to one; the positioning plate is arranged between the main body shell and the supporting cover, at least three rows of third square holes are formed in the positioning plate, and the third square holes are in one-to-one correspondence with the first square holes; the support front cover is arranged on the front surface of the main body shell; the conversion circuit board is arranged between the supporting front cover and the main body shell, at least three rows of U-shaped copper clamping pieces are arranged on the conversion circuit board, and the integrated connection conversion device can be provided, so that the side wiring terminals can be conveniently inserted.

An automatic drilling machine for brake pad steel backing includes a drilling device, a base, a position adjustment device, a steel backing support device, and a material conveying device. The drilling device includes a central shaft, a support frame, a moving frame, a guide cylinder, and a linkage mechanism. The support frame is moved by the position adjustment device. The central shaft is slidably and rotatably mounted on the support frame, and a drill bit is fixedly mounted at the front end of the central shaft. The moving frame is slidably and rotatably mounted on the support frame, and a plurality of flip plates are rotatably and elastically mounted at the front end of the moving frame. A cleaning brush is fixedly mounted on the inner side of the flip plate, and a guide groove connecting the inner and outer sides is provided. The guide cylinder is slidably and elastically mounted on the support frame through a guide cylinder mounting frame, and an inlet communicating with a coolant pipe is provided on the guide cylinder, and a guide groove is fixedly mounted thereon. A cutting blade mounting ring is rotatably mounted inside the guide cylinder, and a plurality of cutting blades are fixedly mounted on the cutting blade mounting ring. This invention can effectively guide the flow direction of the coolant and cut long drill chips into small segments during drilling.

The utility model discloses an inclined vertical cat scratching board which comprises a main frame body and a cat scratching face, a mounting groove and a display groove are formed in the middle of the main frame body, the mounting groove is located on the back of the display groove, the cat scratching face is embedded in the mounting groove, the display groove enables the cat scratching face to be exposed out of the main frame body, and the inclined vertical cat scratching board further comprises a supporting body detachably connected with the main frame body. In the using state, the supporting body is installed on the back of the main frame body, the supporting body and the main frame body support each other, and the inclined standing effect is achieved; in the storage state, the supporting body is detached from the back of the main frame body, and the supporting body is contained in the display groove. According to the utility model, an inclined vertical structure is adopted, so that the number of components can be reduced on the basis of effectively guaranteeing the installation stability. In addition, due to the design of the mounting groove and the display groove, the supporting piece can be placed in the groove to be stored in the storage state, and the packaging size is saved.

Claim 1: Advertising display stand (1), characterized in that it comprises: a foldable front panel (1) with segments (3) formed by fold lines (2), a back support (4) which is foldably connected to the front panel (1) in the transport state and which is unfolded in the setup state and fixed laterally by means of at least one hinge (5), wherein the front panel (1) and the back support (4) are coupled to each other via detachable connecting means (6), wherein optionally at least one slot opening (10) is provided for receiving a flyer dispenser module (11) with fastening tabs (12), and wherein the display stand (1) can be converted from the transport configuration (8) to the setup configuration (9) without tools and within a few steps.

The multifunctional sitting posture correcting device comprises a desk and a seat, a first clamping groove is formed in the top of the desk, a sitting posture correcting plate is installed on the inner wall of the first clamping groove in a matched and clamped mode, a sitting posture correcting assembly is fixedly installed on the outer wall of the top of the sitting posture correcting plate, and the sitting posture correcting assembly comprises a telescopic pipe. The top of the telescopic pipe is rotatably connected with a clamping support used for limiting the shoulders of a student, and the top of the sitting posture correcting plate is rotatably connected with an overturning plate through a shaft pin. The sitting posture correcting plate is installed on the surface of the desk, and the clamping support capable of telescopically adjusting the height is installed on the surface of the sitting posture correcting plate; the sitting posture correcting device is simple in structure and is matched with the back support for use, so that front-back synchronous sitting posture correction is facilitated, meanwhile, the phenomenon of fatigue caused by long-time sitting can be prevented, the protection effect on the body of a student is improved, and the safety and practicability of equipment use are improved.

The utility model discloses a kind of anti-spasm body position laying pad of hemiplegic, it is related to medical instrument technical field, upper limb pad second end is movably connected with lower limb pad first end;Liftable side stop pad is movably equipped on upper limb pad, shoulder groove is equipped on the upper limb pad of one side of side stop pad, arm pad is movably equipped with in cooperation outside shoulder groove, wall groove is opened on arm pad;Two foot supporting members are movably equipped on lower limb pad, leg pad is movably equipped on one side of lower limb pad;By the cooperation of liftable side stop pad and magnetic support plate that can overturn, patient is supported to patient back when side-lying, side stop pad is overturned to first placing groove by 180 degrees, so that side stop pad bottom upper limb pad is flush, after turning out, arm pad can be used for the arm of lateral decubitus to be inserted into the wall groove of arm pad, arm pad is parallelly attached on one side of upper limb pad, can be folded and reduced in size conveniently carried or used for supine position.