22results about How to "Distribute pressure" patented technology

The utility model discloses a paper roll fixing device for a printing factory, and relates to the technical field of paper roll fixing. The device comprises a bottom frame, two sliding groove plates are fixedly connected to the top of the bottom frame, two sliding grooves are formed in the bottom frame, and supporting assemblies are arranged in the two sliding grooves; the sliding frame comprises a bottom frame located above the bottom frame, the bottom of the bottom frame is fixedly connected with two sliding rails slidably connected into the two sliding groove plates respectively, the edge of one side of the top of the bottom frame is fixedly connected with a fixing frame, the top of the fixing frame is fixedly connected with a soft plate, and the back face of the soft plate is provided with a radian adjusting assembly. The distance adjusting assembly comprises two mounting bases fixedly connected to the top of the bottom frame, a two-way screw is rotationally connected into the two mounting bases, and first hand wheels are fixedly connected to the two ends of the two-way screw. By adjusting the distance between the two bottom frames and the radian of the soft plate, a paper roll is fixed more stably, pressure can be dispersed, and indentations on the surface of the paper roll are reduced.

The utility model discloses a kind of practical wall fixing devices on medical ship, it is related to medical ship wall fixing device technical field, including wallboard body and hole wall fixing profile, one side of hole wall fixing profile is contacted with the side of wallboard body, and hole wall fixing profile is threadedly connected with wallboard body, hole wall fixing profile is embedded with multiple fixed plates, profile cover plate is clamped on hole wall fixing profile, and the outer wall of fixed plate is respectively contacted with the outer wall of profile cover plate and the inner wall of hole wall fixing profile.The utility model is driven between hole wall fixing profile and wallboard body by multiple first fastening bolts and rounded rectangular hole to carry out horizontal or vertical connection, form long strip multi-point fixing, carry out multi-point stress, effectively dispersed the pressure of wall fixing device to wallboard body, improve the strength and stability of overall structure, can better resist the jolt and sway of hospital ship sailing.

The utility model discloses a kind of clean vegetable processing cutting device, it is related to clean vegetable processing technical field, including conveyer belt, conveying table, the conveyer belt one end is provided with conveying table, each corner at conveyer belt and conveying table bottom is uniformly fixedly connected with support leg, conveying table upper end surface is rotatably connected with threaded rod and threaded rod outer wall is threadedly connected with threaded sleeve, threaded sleeve upper end surface is fixedly connected with the vegetable feeding plate, conveying table left and right two ends are fixedly connected with extension plate, extension plate upper end surface is fixedly connected with support rod, fixedly connected with main plate between two groups of support rods, main plate upper end surface is provided with pressing mechanism and cutting mechanism, by the coordinated work of cam, reciprocating plate, sliding sleeve and the like structure, the automatic cutting of vegetable is realized, and reset is completed after each cutting, ensure the continuous operation and efficient production of equipment, after cutting, automatic trigger is achieved by the operation of plate, and the design of slanting end of plate can more effectively successfully push the cut vegetable into conveyer belt.

The application provides a clamping block for rail connection, relates to the technical field of rail connection, and comprises a first connecting part for bolt connection, the bottom of the first connecting part is integrally formed with a first reinforcing protrusion, the two sides of the first connecting part are integrally formed with symmetrical second connecting parts, the lower part of each second connecting part is provided with an outward arc-shaped hook, and the starting position of the arc-shaped hook of each second connecting part is integrally formed with a second reinforcing protrusion. The first reinforcing protrusion and the second reinforcing protrusion improve the structural strength of the clamping block, enhance the load capacity of the clamping block, avoid damage of the clamping block caused by overloading due to wind, snow and other natural loads, effectively eliminate the safety hazards of battery panel falling and causing injury and damage, and ensure long-term stable operation of the solar system.

The utility model relates to valve structure technical field especially relates to a control valve, it includes: end cover, main valve block and main valve core etc. Main valve block is fixed on the end cover, forms the hollow channel in the inside of end cover and main valve block, and has the import and export, main valve core is slidably arranged in the hollow channel, and main valve core is hollow structure, and forms and has the multiple sets of throttling portion communicated to the hollow structure inside, and the annular gap is formed between the outer wall of throttling portion and the inner wall of main valve block. The utility model discloses through the multiple sets of throttling portion set up on main valve core, reduces the flow and pressure of fluid, through the annular gap formed between the outer wall of throttling portion and the inner wall of main valve block, avoids high pressure emulsion direct impact main valve core, can store emulsion through the annular gap, thereby further reduced pressure and flow impact, through the combined use of throttling portion and annular gap, can disperse pressure and flow impact, thereby improves the stability and reliability of equipment.

This invention provides a high-precision machining fixture for marine diesel engine cylinder liners, comprising an upper fixture, a lower fixture, and a connecting screw. The upper fixture is a single piece with screw holes at both ends. The lower fixture consists of two separate fixtures fixed to a base, each with a screw hole at its top that aligns with the screw holes in the upper fixture. The connecting screw can be positioned between the upper and lower fixtures. One side of each lower fixture is inclined, and a detachable support assembly is mounted on this inclined surface. The marine engine cylinder liner to be machined is placed on the support assembly of the lower fixture, and the upper and lower fixtures are connected by the connecting screw, effectively preventing displacement of the cylinder liner during machining. For cylinder liners of different specifications, only the upper fixture needs to be replaced; the specifications of the support assembly can be adjusted to accommodate different cylinder liner sizes, thus improving machining efficiency.

This utility model relates to a manual light inspection system for a clarity detector, comprising: a workbench on which a clarity detector is mounted; and a support device mounted on the workbench, the support device including a support bag disposed on the front side of the clarity detector. By providing support bags on both sides of the detector, the inspector's elbows can be rested on the support bags for support, which can distribute elbow pressure, reduce nerve compression caused by long-term use, alleviate fatigue caused by prolonged operation, ensure smooth and natural movements when performing manual light inspection, and improve work efficiency and inspection accuracy.

The application relates to the technical field of base station antenna connection, and discloses a base station antenna connection device which comprises a positioning piece, the positioning piece is composed of two symmetrically arranged positioning hoops, the two ends of the positioning hoops are connected with elastic connecting pipes, the outer parts of the elastic connecting pipes are connected with matched connecting sleeves, a plurality of limiting clamping grooves are equidistantly arranged on the two sides of the outer wall of the connecting sleeve, and a connecting part is detachably arranged outside the limiting clamping grooves; the connecting part comprises a connecting component I and a connecting component II. The semi-arc structure design of the positioning hoop and the elastic connecting pipe enhances the adhesion with the antenna holding pole, disperses the pressure on the holding pole, and reduces local abrasion. The threaded cooperation of the connecting sleeve and the elastic connecting pipe makes the installation distance adjustable and controllable, the self-locking property of the threaded connection can prevent loosening after adjustment, the limiting edge and the limiting clamping groove are matched, the detachable connection of the connecting part and the connecting sleeve is realized, the rotation of the connecting part can be limited, and the overall structural stability is enhanced.

The application discloses a manual zero-gravity skeleton with a manual leg support, which comprises a lower slide rail fixed to a vehicle body, an upper slide rail in sliding cooperation with the lower slide rail, a seat frame skeleton fixedly connected with the upper slide rail, a backrest skeleton, and an angle adjuster connecting the seat frame skeleton and the backrest skeleton. The application realizes zero-gravity adjustment through a pure mechanical structure, does not depend on a vehicle electrical system, has long service life and high stability of mechanical components, and can still adjust the seat when colliding and being powered off, thereby improving passive safety. Through linkage unlocking and pneumatic buffering, posture switching is smooth at a constant speed, and the switching is completed within 2-3 seconds, so that balance response speed and comfort are achieved. The leg support is driven by a torsional spring, is convenient and labor-saving, and supports a comprehensive leg support mechanism, the lifting power of which is provided by the torsional spring, is automatically positioned after being unlocked, reduces operation force, and realizes one-key unfolding. In cooperation with the zero-gravity posture, the application provides comprehensive support from legs to back for a passenger, and effectively disperses body pressure.

The utility model discloses a paper packaging box of bottom reinforcement relates to paper packaging box field, including paper box main part, four first connecting blocks and four second connecting blocks are symmetrically installed on the bottom wall of paper box main part, two first reinforcing plates are symmetrically inserted and installed in paper box main part, first connecting block and second connecting block, two second reinforcing plates are symmetrically inserted and installed on paper box main part and two first reinforcing plates, and second reinforcing plate is composed of base plate, inserting board and connecting pin key, two of base plate, inserting board are provided with, and inserting board fixed mounting is in the inner end of base plate, and connecting pin key is inserted and installed in two inserting boards, through fixedly setting first connecting block and second connecting block on the bottom wall of paper box main part, and setting first reinforcing plate on paper box main part, first connecting block, second connecting block, set up second reinforcing plate on paper box main part, first reinforcing plate, have improved the bottom bearing capacity and the compression resistance of paper box main part obviously.

The utility model relates to an inflatable sports knee pad convenient to adjust, which comprises an elastic sleeve, elastic support strips arranged on both sides of the elastic sleeve, a patella air bag arranged on the front side of the elastic sleeve, upper and lower branch air bags arranged above and below the patella air bag, and a binding assembly; an inflation port is arranged above the patella oval air bag; air-permeable assemblies are arranged above and below the popliteal fossa; the patella air bag is used to provide vertical impact protection in the patella area; the branch air bags arranged in a longitudinal and oblique manner in the collateral ligament area prevent lateral sprains; the elastic support strips on both sides of the elastic sleeve can reduce the impact force and pressure of falling; the mesh air-permeable knitted fabric above and below the popliteal fossa improves the moisture absorption and air permeability of the area, thereby effectively inhibiting the accumulation of sweat and providing comfortable air permeability; the left and right elastic bands are bonded to fix the elastic sleeve, prevent the elastic sleeve from moving upward, the lower band is bonded to prevent the elastic sleeve from moving downward, disperse the pressure, strengthen the protection efficiency, and the upper band and the lower band can keep the position of the knee pad stable.

The utility model discloses a kind of gastric tube assemblies with expansion dispersion end pressure, including gastric tube body, gastric tube body includes extracorporeal section and insertion section, the end of insertion section is provided with inflatable balloon, multiple liquid outlets are distributed around the outside of balloon wall of inflatable balloon, the inner cavity of gastric tube body is additionally provided with auxiliary intubation, auxiliary intubation end is provided with PH detection head, PH detection head is spherical structure, and clearance fit between auxiliary intubation and gastric tube body;The utility model is provided with inflatable balloon in the insertion section of gastric tube body, the surface of inflatable balloon is provided with multiple liquid outlets, when medicine is injected from the medicine injection head of extracorporeal section of gastric tube body, injection pressure promotes inflatable balloon to expand, and liquid medicine flows from multiple liquid outlets, the design can increase the injection area of liquid, disperse pressure, meanwhile, inflatable balloon can isolate gastric tube body insertion section and gastric mucosa, avoid insertion section end and gastric mucosa direct contact to produce local pressure concentration phenomenon.

This invention relates to the field of sculpture transportation protection technology, and particularly to a protective device for urban sculpture transportation, comprising a cage frame and at least two hoops; upper and lower cage frames are respectively installed above and below the load-bearing crossbars on opposite sides of the cage frame, and can move vertically along the vertical columns; push rod devices are installed on the upper and lower sides of the load-bearing crossbars, and the push rod devices drive the upper and lower cage frames to move, wrapping the upper and lower hoops around the sculpture; the upper cage frame is connected to the upper hoops, and the lower cage frame is connected to the lower hoops by ropes. This invention avoids direct contact between external objects and the sculpture through the cage frame structure; the use of an upper and lower double push rod system to apply force simultaneously improves lifting capacity and disperses the pressure of a single structure; effectively solving the protection problem of the last mile of urban sculpture transportation.

The utility model discloses a health shoe sole, including shoe sole body, be provided with replacement subassembly on the shoe sole body, replacement subassembly includes vamp and shoelace, vamp detachable setting on the shoe sole body, the shoelace is inserted on the vamp, be provided with connecting hole on the vamp, the connecting hole is compatible with the shoelace, be provided with the placement hole on the shoe sole body, be equipped with the flexible placement block on the vamp, the flexible placement block is compatible with the placement hole, the vamp inside is provided with massage subassembly, massage subassembly includes contact pad and contact rod, contact pad sets up in the vamp inside, contact rod slidingly connected on contact pad, be equipped with contact block on contact rod, to solve the technical problem that the user faces cannot conveniently complete the shoe sole replacement in the health shoe sole technology mentioned in the background art.

This application discloses a push lawnmower, including a body, a leveling component, a body height adjustment component, a shift plate, a front wheel assembly, a rear wheel assembly, and a cutting component. The rear wheel assembly includes a rotating shaft and a pair of rear wheels. The two ends of the rotating shaft are connected to the rear wheels. The rotating shaft is connected to the body through two assembly points. The line connecting the two assembly points forms a first axis, and the straight line connecting the centers of the pair of rear wheels forms a second axis. The first axis and the second axis are not coaxial. The body height adjustment component drives the rear wheels to rotate around the first axis. The shift plate includes a main body and a support body. The main body is connected to the body, and the support body is provided with a leveling component for direct contact with the ground. When the body is upright, the rear wheels are tangent to the ground. In each position of the body height adjustment component, the angle β between the straight lines L formed by the contact points between the leveling component and the ground and the contact points between the rear wheels and the ground is an acute angle. This application solves the problem of poor standing stability of lawnmowers in the prior art.

The utility model discloses a folding and unfolding structure of a multi-wheel-set landing gear for a model airplane. A landing wheel frame comprises a fixed frame rod and two groups of movable wheel frames, a plurality of landing wheel sets arranged in the length direction of the movable wheel frame are installed on the movable wheel frame. The movable wheel frames are arranged on the two sides of the fixed frame rod; the side end of the movable wheel frame is rotationally mounted at the side end of the fixed frame rod through a rotating shaft; the server is installed in the middle of the two movable wheel carriers, and a horizontally-arranged rotating cross rod is arranged at the lower end of the push rod. A group of rotating pull rods are respectively arranged between the rotating cross rod and the two groups of movable wheel carriers; two ends of the rotating pull rods are respectively hinged and matched with the rotating cross rod and the movable wheel carriers; in order to solve the problem that the folding and unfolding functions of an existing model airplane multi-wheel undercarriage set are difficult to achieve, reliable folding and unfolding of the multi-wheel undercarriage set are achieved through cooperative work of a large-tension server, a rotating transverse rod, a rotating pull rod and other structures, and the defects of a traditional servo control mode in application of the multi-wheel undercarriage are overcome.

The application provides a head-mounted stomach tube fixing device, and relates to the technical field of medical devices, and is used for improving the reliability of stomach tube fixation. The head-mounted stomach tube fixing device comprises a fixing body, a second fixing member, a third fixing member, a fourth fixing member and a stomach tube fixing member. One end of the fixing body is arranged at the chin of a patient, and the other end is arranged at the top of the head of the patient; the second fixing member is rotatably connected with the fixing body and is arranged at the back of the head of the patient; the third fixing member is rotatably connected with the fixing body and is arranged at the forehead of the patient; the fourth fixing member is rotatably connected with the fixing body, and part of the fourth fixing member is used for being connected with the ear of the patient; the stomach tube fixing member is detachably connected with the fourth fixing member, and the stomach tube fixing member is used for fixing the stomach tube.

The utility model relates to the field of automobile parts discloses a kind of automobile panoramic sunroof roof, including several supporting blocks, several The supporting block is fixed in the top surface of roof body, the top surface of roof body is provided with several positioning holes, the front side of supporting block is provided with accommodating slot, the inside bottom surface of accommodating slot is provided with threaded hole, the threaded hole is corresponding with positioning hole, the inner wall of positioning hole is inserted with hand screw bolt, the hand screw bolt is connected in threaded hole with screw thread, the end of hand screw bolt is fixed with limit block.In the utility model, through the collaborative action of supporting block, hand screw bolt, limit block, limit column and tension spring, the convenient operation of roof body can be realized, the precise cooperation of screw transmission and elastic reset is carried out, the structural integrity of roof body is maintained in the process of multiple assembly and disassembly, the damage of roof body and roof connecting part caused by disassembly is avoided, and fatigue failure caused by repeated stress of connecting piece is prevented.

The utility model provides a kind of multifunctional metalworking fixture, it is related to metalworking equipment technical field, comprising: annular support assembly, annular support assembly is constituted by annular fixed frame and four easy-to-disassemble sleeves, four easy-to-disassemble sleeves are annularly distributed on annular fixed frame, and the spacing between adjacent two easy-to-disassemble sleeves is equal, by the setting of clamp assembly in the process of use first by hydraulic push rod driving fixture base displacement close to material side, and by clamping guide wheel extruding and clamping the outer wall of circular material, further under the action of pivot, so that clamping guide wheel and fixture base are detachable structure, so in the process of use, can screw cap is spun from the both sides of pivot, clamping guide wheel is taken down, and replaceable clamping guide wheel that is adapted to material can, to improve the diversity of the device in use, so that the device can clamp material of different external shape.

The utility model relates to medical appliance technical field, especially a heel pressure sore prevention protection pad, the utility model discloses a protection pad can be supported and placed to patient's foot after inflating, thereby can pad it, prevent the generation of pressure sore, and through the heel of arc convex type structure can be adapted and placed to the heel of foot, and through the Achilles tendon of arc recess type structure can be adapted and placed to the Achilles tendon of foot, and through the ankle can be wrapped to the ankle, so that patient's foot is placed on the protection pad more comfortable, and the overall structure is more flexible after the protection pad inflates, so that patient's foot skin tissue pressure can be dispersed, relieve, thereby prevent the generation of pressure sore, and through magic tape wool surface and magic tape hook surface corresponding paste, so that two the restraint band can be fixed and bound in the foot correspondingly, thereby can constrain the protection pad, make it stable installation in patient's foot.

The utility model relates to a height adjustable scaffold belongs to the field of construction, solve the problem that traditional scaffold height adjustment is complicated, the convenient height adjustment of support plate is realized through setting up screw rod, first lock ring, second lock ring and nut, support plate is installed on the stand by connecting device, and the connecting device includes first lock ring and second lock ring articulated on the support plate, and the end away from the support plate of second lock ring is equipped with the mounting block with screw rod, and two nuts are screwed on the screw rod, when adjusting, the lock ring is loosened or clamped the stand by rotating nut, and the support plate is moved to the required height and is fixed, in addition, the both ends of support plate are equipped with guide rail, and the sliding rail is driven through the screw rod and hand wheel, can adjust the position of tool box flexibly, and the utility model discloses simple operation, can conveniently adjust the height of scaffold, improves the construction efficiency, guarantees the structure stability and safety simultaneously, is applicable to a variety of construction scenes.