41 results about "Short arms" patented technology

This invention relates to the field of medical devices, and more particularly to a valve clip with a locking mechanism, comprising a first clamping arm, a second clamping arm, a connecting member, a push-pull device, and a locking device. The locking device partially cooperates with the connecting member, and includes a locking head and a self-locking rod. The connecting member is hinged to the first clamping arm and the second clamping arm respectively. The clamping arm includes a long arm and a short arm. One end of the long arm is hinged to the push-pull device, and one end of the short arm is provided with a locking part. When the push-pull device is operated to increase the angle between the long arms of the first and second clamping arms, the locking part on the first clamping arm and the locking part on the second clamping arm are partially misaligned. When the push-pull device is operated to decrease the angle between the long arms of the first and second clamping arms, the locking device is moved to allow the locking head to engage with the locking part and lock.

The invention relates to the field of medical instruments, and particularly discloses a flow-choking-free dilator and a flow-choking-free stent assembly. The flow-choking-free expander comprises a guide rod and an outer supporting mechanism, the outer supporting mechanism comprises a plurality of long arm rods evenly hinged around the guide rod, a sliding sleeve movably arranged outside the guide rod in a sleeving mode and a plurality of short arm rods in one-to-one correspondence with the long arm rods, one ends of the short arm rods are hinged to the long arm rods, and the other ends of the short arm rods are hinged to the sliding sleeve. Gaps are formed between the left and right adjacent long arm rods and between the left and right adjacent short arm rods; when the sliding sleeve moves along the guide rod, the sliding sleeve drives the long arm rod to be unfolded or folded through the short arm rod. The flow-choking-free support assembly comprises a support, a guide rod and an outer supporting mechanism. The stent is of an elastic hollowed-out net-shaped pipe structure, and the outer supporting mechanism is used for providing radial outward expansion acting force for the stent. The technical problem that blood circulation is blocked when the balloon is used for expansion can be solved.

The utility model provides a balance forklift vertical holding clamp which is characterized in that an accessory connecting mechanism is arranged on one side of a base plate; the two mechanical arms are hinged to the side, away from the forklift, of the base plate correspondingly and arranged in the horizontal direction. The two mechanical arms are different in length and are respectively a long arm and a short arm; the long arm and the short arm are arc-shaped respectively, and the concave surfaces are positioned on the sides, close to each other, of the long arm and the short arm respectively; the driving mechanism is installed on the base plate, connected with the mechanical arm and used for driving the mechanical arm to rotate relatively. The butt joint mechanism is hinged to the end, away from the base plate, of the mechanical arm. By means of the long arm and the short arm which are different in length and are in an arc shape, when coiled floor heating pipes with different diameters are grabbed, more flexible grabbing action can be achieved through the rotating speed difference; the long arm expands the overall grabbing radius and can adapt to various package specifications, the short arm is relatively flexible, the clamping capacity is improved through three-point contact, and therefore the carrying applicability of the packaged floor heating pipe is greatly improved.

The utility model relates to the field of data centers, and discloses an independent insertion assisting device and a data center, which are used for realizing manual insertion interconnection of a server and a cabinet on the basis of not occupying the space of the server. The independent insertion assisting device comprises a fixed plate, a movable plate, an insertion assisting handle and a fixing structure. The fixing structure is arranged on the fixed plate and used for fixing the fixed plate; the fixed plate and the movable plate are arranged in the first direction, and the movable plate can be driven by the insertion assisting handle to be away from or close to the fixed plate in the first direction. The insertion assisting handle comprises a long arm and a short arm, the first end of the short arm is slidably connected with the movable plate in the second direction, and the second end of the short arm is rotationally connected with the fixed plate through a rotating shaft. The second direction is perpendicular to the first direction; the first end of the long arm is connected with the second end of the short arm, and the second end of the long arm penetrates through the fixed plate and extends out of the side, away from the movable plate, of the fixed plate. The distance between the second end of the long arm and the rotating shaft is larger than that between the first end of the long arm and the rotating shaft.

A modular joint assembly for a brace device for a joint is provided. The modular joint assembly can include an elongated upper arm that can be fastened to an upper leg strut of the brace device, and an elongated lower arm that can be fastened to a lower leg strut of the brace device. The upper arm and the lower arm can be connected with each other at a pivot axis about which the upper arm and the lower arm pivot relative to each other. One or both of the upper arm or the lower arm can be separated from another of the upper arm or the lower arm and replaced with a longer or shorter arm to change a location of the pivot axis in the brace device.

To realize a module type replaceable transport unit, height adjustment of the transport unit, removal of the transport unit, and automatic reduction of a chassis into the smallest folding size without disassembly.SOLUTION: A folding device for transporting goods includes: a first platform; a second platform; and a lift having a plurality of folding crossing portions rotatably coupled to the first platform and the second platform. Each of the plurality of folding crossing portions includes a first long arm, a second long arm and a short arm. The first long arm is fixedly connected to the second long arm.SELECTED DRAWING: Figure 6

The application discloses a wrinkle-proof reel. The reel comprises a hollow shaft pipe, two or more than two supporting pipe devices which are arranged at intervals in the hollow shaft pipe, a sleeve, a sliding block which is arranged in the sleeve, a guide strip which is arranged on the inner side wall of the sleeve in the axial direction, a guide groove which is arranged on the sliding block corresponding to the guide strip, a spring which is arranged between the sliding block and the sleeve, two or more than two supports which are uniformly arranged on the opening end of the sleeve, an L-shaped supporting arm which is hinged on the support, wherein the short arm of the L-shaped supporting arm is in abutment with the sliding block, a transmission rod which penetrates through a through hole and extends into the sleeve, a through hole which is arranged on the sliding block in the axial direction and is provided with a thread, a recess which is arranged on the upper and lower side walls of the through hole, and a rectangular insertion part which is arranged on the front end of the transmission rod and is matched with the recess. The reel only needs to rotate the transmission rod by a small angle, so that the function of quickly fixing and supporting the paper tube can be achieved.

The utility model discloses a heavy-duty dustproof hinge, which relates to the technical field of hinges, and comprises a bottom plate and a support arm for installing a window, the middle section of the bottom of the support arm is hinged with a long arm through a pin shaft, the top of the bottom plate is clamped with a connecting gasket, the top of the connecting gasket is provided with a short arm and a middle arm, and the short arm is connected with the middle arm. The short arm and the middle arm are hinged to the bottom plate through pin shafts, and the short arm is hinged to the supporting arm through a pin shaft; according to the sliding support hinge, the square rivet is riveted at the bottom of the supporting arm in a pressing mode, when the sliding support hinge is opened to the maximum degree, the angle limiting inclined face on the short arm and the angle limiting inclined face on the middle arm make contact with each other and are clamped with each other, the square rivet makes contact with the long arm and blocks the long arm, and a secondary wind resistance structure is achieved. And continuous acting force acts on the square rivet, the angle limiting inclined plane on the short arm and the angle limiting inclined plane on the middle arm, so that the wind resistance is improved, and the deformation and damage of the sliding support hinge are avoided.

The application relates to an automatic guiding deviation rectifying device, and relates to the field of modern automobile industrial production and manufacturing. The device comprises a deviation rectifying mechanism and a return mechanism. The deviation rectifying mechanism comprises a rotating arm, the rotating arm comprises a long arm and a short arm used for driving the long arm to be lifted after the long arm is driven to descend when the plate contacts the front end of the long arm, the front ends of the long arm and the short arm are upwardly arranged and are mutually angled, a rotating pin is arranged in the middle of the rotating arm so as to divide the rotating arm into the long arm and the short arm, and the return mechanism comprises an elastic component used for descending the short arm to return when the plate leaves the long arm. The rotating pin and the deviation rectifying mechanism are adopted to rectify the plate through the tilting and rotating mode. The deviation rectifying device has the advantages of strong deviation rectifying capacity, high efficiency, large deviation rectifying range, larger deviation rectifying moving distance compared with the existing deviation rectifying mechanism, small friction force generated during deviation rectification, and difficulty in being stuck during the deviation rectification of the plate.

The utility model relates to the field of hinges, in particular to a small-angle short-arm two-section force hinge which is installed between a cover plate and a side plate and comprises a base and a short arm, the end of the short arm is rotationally connected with an upper connecting piece through a first pin shaft, the end of the upper connecting piece is rotationally connected with a pocket, and a hinge cup is arranged on the inner side of the pocket. A damper and a noise reduction assembly are fixed to the bottom of the inner wall of the hinge cup, the damper is located on the inner side of the noise reduction assembly, the side portion of the inner wall of the hinge cup is rotationally connected with a lower connecting piece through a second pin shaft, and an adjusting assembly used for adjusting the gap between the cover plate and the side plate is arranged between the base and the short arm. The hinge arm is shortened, the base is shortened, the connecting structure is simplified, the technical purposes of being small, exquisite and practical are achieved, the requirements of current exquisite personalized furniture can be well met, the short arm can be adjusted up and down relative to the base, the gap between the cover plate and the side plate can be adjusted conveniently in the follow-up process, and use is convenient.

1. The name of the design product: upper limb fracture fixation restraint sleeve (short arm). 2. The use of the design product: used for fixing the fracture position by sleeving the hand including the lower arm, two components are used in mutual sleeving. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: combined state reference drawing. 5. The perspective view has been expressed, and the top view and bottom view are omitted. 6. The support in the design picture is the inlaid object, which does not belong to the content of the claimed design.

A kind of hanging device, system and method, the device includes device body, long arm, short arm, support arm, first elastic member and second elastic member;The first end of long arm is rotatably connected with the first side of the end of device body by first elastic member;The first end of short arm is rotatably connected with the second side of the end of device body by second elastic member;The first end of support arm is rotatably connected with the second end of one of long arm and short arm;The distance between the first end and the second end of long arm is greater than the distance between the first end and the second end of short arm, and the rotation plane of long arm and short arm is parallel;In the case where the second end of support arm is in abutment with short arm or long arm, long arm and short arm form an opening with an intermediate region;In the case where the second end of support arm is out of abutment with short arm, long arm and short arm respectively move along the rotation plane and approach the end of device body under the action of first elastic member and second elastic member to realize hanging / clamping, thereby improving the hanging success rate.

The utility model discloses a decorative pressing line for doors and windows, which comprises a long arm and a butt joint part, the butt joint part comprises a long arm and a short arm, one side of the long arm is provided with a first inclined surface, the corresponding position of the short arm is provided with a second inclined surface, the long arm is internally provided with a slot, the middle part of the slot is provided with a first corner brace groove, one side of the short arm is provided with an inserting plate, and the inserting plate is provided with a second corner brace groove. The inserting plate is installed in the inserting groove in an embedded mode, a second corner brace groove is formed in one side of the short arm, and corner braces are installed in the first corner brace groove and the second corner brace groove in an inserted mode. According to the utility model, through the arrangement of the butt joint part, the 45-degree section in the prior art continues to be used in the design, so that the attractiveness is ensured. However, a slot and a first corner connector slot are formed in the long arm and are respectively used for mounting the insertion plate in a butt joint manner and embedding the corner connector in an embedded manner in a mortise and tenon joint manner. The butt joint mode does not damage the butt joint inclined plane, and meanwhile, the risk of glue overflow is avoided, so that the butt joint surface is positioned more accurately.

1. The name of the design product: hinge (short arm). 2. The use of the design product: hinge for doors, windows, furniture, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The utility model relates to the technical field of heating appliances, in particular to a panel support structure of an induction cooker and an electric ceramic cooker, which comprises a frame for supporting a panel, and the frame comprises two long arms and two short arms; wherein the two long arms rotate by 90 degrees around the central axis of the frame and are horizontally arranged, and the two ends of the two long arms are staggered; the two short arms rotate around the central axis of the frame by 90 degrees. According to the utility model, the two long arms and the two short arms are connected to form a complete frame, so that the whole plate does not need to be subjected to hole cutting processing, and the supporting stability of the panel can be ensured while materials are saved; and secondly, a positioning structure is also arranged between the long arm and the short arm, so that the accuracy of the connecting position of the long arm and the short arm in the assembling process can be ensured, a flat supporting surface can be formed on the panel, and the stress of the panel is kept uniform.

The application relates to a display folding lifting base and a use method, which comprises a base, support arms installed on the base, a display adapter plate installed on the upper portion of the support arms through a lifting assembly, two long-arm front supporting legs symmetrically installed on the front side of the base, a short-arm rear supporting leg installed on the middle portion of the rear side of the base, the long-arm front supporting leg and the short-arm rear supporting leg being hinged to the base, a limiting piece for fixing the short-arm rear supporting leg in an unfolded supporting state and a folded storage state being arranged on the base, a rotating shaft being vertically installed in the base, a knob being fixedly installed on the lower end of the rotating shaft, two limiting convex portions being symmetrically arranged on the outer periphery of the middle portion of the rotating shaft, and a clamping arm for cooperating with the limiting convex portions being arranged on the inner end of the long-arm front supporting leg; the display folding lifting base is simple in structure, reasonable in design, foldable, does not need to be disassembled and assembled with the base, convenient to store and pack, small in occupied area, low in packaging cost, can stably support the display, and has good social and economic benefits.

The utility model aims to provide a folding ladder stand which is used for being installed on a water tank and comprises a ladder main body and a folding assembly, the top end of the ladder main body is rotatably connected with the top of the water tank, the folding assembly comprises two long arms and two short arms, one ends of the two long arms are rotatably connected with the bottom end of the ladder main body, and the two long arms are located on the two sides of the ladder main body respectively. One ends of the two short arms are rotationally connected with the bottom of the water tank, the other ends of the two short arms are rotationally connected with the other ends of the two long arms respectively, and the length of the long arms is larger than that of the short arms; the minimum distance between one end of the short arm connected to the water tank and one end of the long arm connected to the ladder main body is equal to the length difference between the long arm and the short arm. Therefore, under the matching action of the ladder main body, the long arm and the short arm, the folding ladder stand can be folded so as to be convenient to transport, and space occupation is avoided when the folding ladder stand is not used.

The present invention lies in the field of hand tools and relates to an extension and an extension set for existing wrenches of different sizes, wherein the existing wrenches have an angled, in particular an L-shaped, form, with a shorter and a longer leg, at the respective end of which an engagement section of the respective wrench is arranged for engagement with a screw, and holders by means of which the extensions of a set are held together.In order to equip the user of such tools appropriately, so that he has a suitable tool readily available in a difficult situation, is subject to a reduced risk of injury, and is highly likely to be able to loosen a screw deep in a blind hole without breaking it, it is proposed that the extension element contain two size-adapted insertion openings for the shorter arms of two different-sized wrenches, into which the respective shorter arm can be inserted with minimal play.

The invention discloses a single-slider cross type door and window hinge which comprises a base, a short arm, a supporting arm, a long arm and a reinforcing arm, a main slider is slidably connected to the base in the length direction of the base, one end of the short arm is rotatably connected to the rear portion of the main slider, and the other end of the short arm is rotatably connected to the front portion of the supporting arm; one end of the long arm is rotationally connected to the rear portion of the supporting arm, the other end of the long arm is rotationally connected to the rear portion of the base, the rear end of the reinforcing arm is rotationally connected to the long arm, the front portion of the reinforcing arm is rotationally connected to the middle of the short arm, and the front end of the reinforcing arm is further rotationally connected with a secondary sliding block. The secondary sliding block is connected to the main sliding block in a sliding mode in the length direction of the main sliding block. The device has the advantages of being not prone to sand dust inclusion and more stable in motion trail.

The utility model discloses a riding beam device for hanging a hanging basket, which comprises a T-shaped cross beam, a front support leg and a rear support leg, the front support leg and the rear support leg are fixedly connected below the T-shaped cross beam, the T-shaped cross beam comprises a short arm and a long arm which are perpendicular to each other, one end of the long arm is fixedly connected with the middle of the short arm, and the other end of the long arm is provided with a hanging connecting mechanism for hanging the hanging basket. The two rear supporting legs are connected to the two ends of the short arm respectively, the front supporting leg is connected to the middle of the long arm, and an inclined strut is further fixedly connected between the front supporting leg and the long arm. Each rear supporting leg is provided with an upper transverse movement adjusting mechanism and a lower transverse movement adjusting mechanism, and the end, close to the corresponding front supporting leg, of each transverse movement adjusting mechanism is provided with an abutting foot abutting against the inner wall of the chimney. The hanging basket device is simple in structure, high in stability and easy to install, the convenience and safety of installation of the hanging basket device are improved, the construction period is shortened, the hanging basket device can be repeatedly used, the construction cost of a chimney repairing and renovation project is reduced, and it is guaranteed that the construction progress is conducted smoothly.

The utility model discloses a protective plate for a bolt on a short arm, which relates to the technical field of protective plates for bolts on short arms, and comprises a base, specifically, a first groove is formed in the top of the base, the first groove is square and is positioned in the center of the base, and a second groove is formed in the inner bottom wall of the first groove; the second groove is square and located in the center of the first groove, the size of the second groove is smaller than that of the first groove, four square first clamping grooves and four second clamping grooves are formed in the inner bottom wall of the first groove, and the first clamping grooves are located in the front side and the rear side of the second groove respectively and evenly distributed in the four corners of the second groove. The number of the second clamping grooves is four, the second clamping grooves are located in the left side and the right side of the second groove respectively and evenly distributed in the four corners of the second groove, and sliding grooves are formed in the inner walls of the left side and the right side of the first groove.

The utility model discloses a wind pressure resistant door and window hinge, which belongs to the technical field of hinges, and comprises a bottom plate, a support arm, a long arm, a short arm and a reinforcing arm which are mutually hinged and matched, the bottom plate is provided with a bottom plate positioning part, the support arm is provided with a support arm first positioning part and a support arm second positioning part, and when the support arm is hinged and opened relative to the bottom plate, the long arm and the short arm are fixed. The short arm is positioned on the bottom plate positioning part and the first supporting arm positioning part, and the long arm is positioned on the second supporting arm positioning part. According to the door and window hinge, positioning stress during opening is achieved between the bottom plate and the supporting arm through the bottom plate positioning part, the first supporting arm positioning part and the second supporting arm positioning part, so that acting force generated after a door and a window are opened is effectively dispersed to all parts of the whole door and window hinge; therefore, the deformation resistance, the bearing capacity and the wind pressure resistance of the door and window hinge are improved, a series of problems such as shaking, vibration, even reset rotation or excessive opening of the door and window due to external force after the supporting arm is hinged and opened relative to the bottom plate are avoided, and the use safety of the door and window is ensured.

A large-angle rotation robot joint includes a thigh and a lower leg. The lower end of the thigh is hinged to the upper part of the lower leg to form a knee joint. A through hole at the upper end of the thigh serves as a hip joint. The lower leg is L-shaped, consisting of a long arm and a short arm. The hinge point between the lower leg and the thigh is at the junction of the long and short arms. A primary link is hinged to the thigh, and the other end of the primary link is hinged to a secondary link. The other end of the secondary link is hinged to the short arm of the lower leg. A hydraulic cylinder is hinged between the thigh and the primary link, with the hinge point between the hydraulic cylinder and the thigh located above the hinge point between the primary link and the thigh. This invention uses a four-bar linkage to meet the needs of large-angle rotation of the hydraulic cylinder-driven robot joint; it uses a double thigh arm design to facilitate component installation and avoid interference; and the left and right drive components are symmetrically arranged for balance.

The utility model relates to the technical field of fruit picking, and discloses a multifunctional fruit picking manipulator convenient to disassemble and assemble, which comprises an electric push rod A. The output end of the electric push rod A is fixedly provided with a push plate, and the outer side body of the electric push rod A is fixedly provided with a fixed plate. Hinged shafts are fixedly installed in reserved grooves in the outer walls of the pushing plate and the fixing plate correspondingly, the outer side of the fixing plate is movably connected with a driving arm assembly through the hinged shafts, and the outer side of the pushing plate is movably connected with a clamping jaw assembly through the hinged shafts. The driving main arm and the convex block sleeve can be separated by disassembling the bolt and the first nut; the arc arm of the short-arm type clamping jaw can be separated from the connecting block by disassembling the bolt and the nut II; in the process, the driving arm assembly and the clamping jaw assembly are disassembled or assembled; and meanwhile, a user can replace the damaged driving main arm or the short arm type clamping jaw arc arm according to the disassembly and assembly characteristics, so that resources are saved.

The utility model provides a simple hot-melt gasket positioning tool which comprises a long positioning arm and a short positioning arm, the middle of the long positioning arm and the middle of the short positioning arm are hinged through a shaft part, a handle is arranged on the long positioning arm, and a limiting blocking piece is arranged on the long positioning arm; long arm supporting claws are arranged on the sides, different from the lifting handle, of the two ends of the long positioning arm, short arm supporting claws are arranged on the sides, different from the lifting handle, of the two ends of the short positioning arm, supporting columns are arranged at the tail ends of the long arm supporting claws and the tail ends of the short arm supporting claws, and the supporting columns on the long arm supporting claws and the connecting positions of the supporting columns on the short arm supporting claws and the short arm supporting claws are connected. And steps are formed. The tool can effectively reduce a large amount of manual line snapping and distance measuring time, achieves the purposes of simplicity, convenience, convenience in operation and rapidness in construction, effectively accelerates the construction progress and quality of the hot melting gasket of the second-lining waterproof and drainage system, is simple and convenient to use and operate, is simple to process, can be repeatedly used, and reduces constructors.

A rotor body fixing device for exhibition comprises a supporting seat, a central column arranged on the supporting seat, a long supporting arm and a short supporting arm, the long supporting arm and the short supporting arm are symmetrically arranged at the upper end of the central column, and the ends, away from the central column, of the long supporting arm and the short supporting arm are provided with a long supporting arm containing groove and a short arm containing groove respectively. A left plastic plate and a right plastic plate are symmetrically arranged on the inner surface of the short arm containing groove, and the long supporting arm is higher than the short supporting arm. In addition, the central column is tubular, and the long support arm and the short support arm are square tubular, so that the multi-functional support is simple in structure, economical, practical, low in processing cost, light in weight and convenient to transport and carry, and materials required for manufacturing are common, easy to obtain, easy to weld and maintain.

The invention belongs to the technical field of vibration motors, and discloses a thin spring structure with multiple sections of bent support arms, a spring is integrally formed, the thin spring structure is characterized by comprising a connecting part and two mounting arm parts, and the two mounting arm parts are symmetrically arranged on the two sides of the connecting part; the mounting arm part comprises a short supporting arm part and a long supporting arm part, the short supporting arm part and the long supporting arm part are connected through a lap joint part, a tuning groove is formed in the middle of the short supporting arm part, and the short supporting arm part is divided into a first short supporting arm and a second short supporting arm through the tuning groove; one end, far away from the lap joint part, of the short support arm part is connected with a positioning boss; the short support arm part, the lap joint part and the long support arm part form an arc-shaped stress groove, the miniature linear vibration motor is suitable for the miniature linear vibration motor, stronger and more stable tactile feedback is provided, the ultrathin design saves space, and the miniature linear vibration motor is suitable for compact electronic products such as smart phones and wearable equipment.

The utility model relates to a vibration reduction cutter, which comprises a turning tool body and a turning tool blade, the turning tool body comprises a long arm and a short arm, the long arm can be clamped on a tool rest of a machine tool, one end of the long arm is fixedly connected with one end of the short arm, and the turning tool blade is arranged at one end, far away from the long arm, of the short arm; a closed containing cavity is formed in the long arm, and the containing cavity is filled with damping materials. Compared with the prior art, the end face deep ring groove turning tool has the advantages that machining of the end face deep ring groove can be completed, chatter of the turning tool under the action of cutting force is reduced, and chatter marks existing on the machined surface of a machined part are reduced.

This invention discloses a tilting and straightening device for large-tonnage components, relating to the field of component tilting technology. The device includes a frame, a first L-shaped hinged frame, a second L-shaped hinged frame, and a hydraulic cylinder. The short arms of the two hinged frames are nested and interlocked on the same horizontal plane. The device has a gravity-pneumatic linkage support system on the inner surfaces of the second short arm and the second long arm, and a mechanical locking mechanism between the two arms. The gravity-pneumatic linkage support system includes at least one first elastic pad, at least one second elastic pad, and a pneumatic circuit assembly connecting the two. The first elastic pad is vertically movable and protrudes from the surface of the second short arm, while the second elastic pad is vertically movable and flush with the surface of the second long arm in its natural state. When the component is pressed against the second short arm, the first elastic pad retracts, and gas pushes the second elastic pad to protrude and fill the gap between the side of the component and the long arm, preventing the component from sliding and colliding during tilting.