39results about How to "Will not deform" patented technology

The utility model discloses an automatic switching edge grinding device of toughened glass, including the processing base that is square, be provided with glass bearing structure on the processing base, be equipped with the edge grinding mechanism in the position of glass bearing structure one side on the processing base, glass bearing structure includes the base, and the top surface of this base is provided with the installation groove, is provided with the bearing platform for bearing glass in the installation groove, and the circumference of bearing platform is provided with a plurality of limiting rods that are evenly distributed along its circumferential direction, the side wall of installation groove is concave and is equipped with a plurality of limiting grooves, and the number of limiting groove corresponds with limiting rod, and limiting groove penetrates the top of bearing platform upwards. The utility model discloses through the configuration of the limiting rod and limiting groove of bearing platform, plays the role of fixed bearing platform, and simultaneously, when needing to adjust the angle of toughened glass, only needs through telescopic link to make bearing platform rise first, rotates again, finally makes bearing platform drop and can realize.

The application relates to the technical field of rubber and plastic product processing, and discloses an elevator load guide pulley production device, which comprises a workbench and multiple telescopic arms. A first supporting arm is fixedly connected to one side of the upper end of the workbench. A motor is fixedly connected to one side of the first supporting arm. A rotating disc is fixedly connected to the output end of the motor and penetrates through the first supporting arm. Multiple second supporting arms are fixedly connected to the outside of the rotating disc. The elevator load guide pulley production device can automatically adjust the positions of the telescopic arms according to load guide pulleys with different diameters through the cooperation of the positioning columns and springs on the telescopic arms and the grooves on the second supporting arms. The load guide pulleys to be processed can be fixed through the expansion of the moving plates. The motor drives the rotating disc to rotate, so that the multiple second supporting arms and the telescopic arms can be driven to rotate simultaneously, and the load guide pulleys to be processed can be processed in sequence. Therefore, the production line is more coherent, and the production efficiency is improved.

This utility model discloses an automatic valve spring assembly device and its automatic feeding assembly device, comprising: 1. An automatic valve spring assembly device, including a spring placement station and a valve placement station. An assembly mechanism is installed on one side of the spring placement station. The assembly mechanism includes a transfer component and an assembly component. The assembly component includes a clamping component and a pushing component. The clamping component includes a clamping cylinder and a pair of clamping claws, with a clamping hole formed between the pair of clamping claws. The pushing component includes a pushing cylinder and a push rod, with the push rod located above the clamping hole. An ejection hole is opened at the bottom of the valve placement station. An ejection mechanism is installed below the valve placement station. The ejection mechanism includes a base, an ejection cylinder, and an ejection rod, with the ejection rod passing through the ejection hole; 2. An automatic valve spring feeding assembly device, including a spring feeding device, a valve feeding device, a valve spring single feeding device, and an automatic valve spring assembly device; realizing the automated assembly of valves and springs.

The utility model discloses high elastic double density shoe sole relates to the field of sole production, including sole main part, the sole main part, the first bonding groove corresponding with the sole bottom of the sole main part top outer wall is seted up, the inside of sole main part is equipped with the elastic structure for reinforcing the elasticity of sole, the elastic structure includes the first elastic buffer chamber and second elastic buffer chamber of setting up in the inside of sole main part, and the first elastic buffer chamber and second elastic buffer chamber inner wall are equipped with elastic buffer block, the sole main part bottom is equipped with the antiskid structure. This high elastic double density shoe sole has greatly strengthened the elasticity of sole, in the walking or movement process, the reaction force of ground is absorbed and dispersed by the synergistic effect of elastic buffer chamber, elastic buffer block and silica gel, can efficiently buffer ground reaction force, effectively reduces the impact to foot and joint, reduces the risk of sports injury, provides excellent comfortable experience for the user.

The application discloses an aluminum alloy liquid cooling plate friction stir welding clamp and method, the clamp comprises a first base, a second base, a support beam, a first clamping plate, a second clamping plate and a stopper. The first clamping plate and the second clamping plate clamp the leaf cooling plate and ensure the vertical state, and the addition of the stopper expands the support surface, avoiding the problem that the protruding part of the stirring shaft shoulder cannot be supported and welded. The clamp has good rigidity and can meet the downward pressure load requirement of the friction stir welding, and the vertical welding mode meets the fusion depth and appearance requirements of the liquid cooling plate, and a high-quality liquid cooling plate is prepared.

This utility model discloses a sensor mounting structure for a climbing scaffold control system, relating to the technical field of climbing scaffold control systems. By setting limit blocks, studs, and adjusting nuts at both ends of the pull-up steel cable, this utility model simplifies the structure for fixing the pull-up steel cable and allows it to be fixed through a stable mechanical structure. This prevents the pull-up steel cable from deforming due to clamping during fixing, extending its service life. Furthermore, after installation, the pull-up steel cable uses the counter-tension at both ends to fix and support the climbing scaffold sensor, allowing the pull-up steel cable to fully utilize its axial strength advantage. This not only increases the upper limit of the weight the pull-up steel cable can bear but also makes it less prone to bending deformation under load, extending its service life and reducing the maintenance frequency when using this sensor mounting structure for the climbing scaffold control system, resulting in better practical performance.

This invention discloses a prefabricated steel-concrete composite beam floor structure, including frame columns, steel main beams, and steel secondary beams. Floor slabs are laid on the steel main beams and secondary beams. Connecting plates are vertically installed on the web of the steel main beams. One end of the floor slab is wrapped with angle steel. The floor slabs do not contact the frame columns. In this invention, the first floor slab is connected to the steel main beam by a first bolt, achieving a combined effect between the steel main beam and the first floor slab, improving the bending resistance and stiffness of the steel main beam. The second and third floor slabs are connected to the steel secondary beams by spot welding, ensuring that the floor slabs will not collapse under seismic loads. The third floor slab has no rigid connection to the steel main beams, allowing relative sliding between them after an earthquake, thus preventing damage to the slab. Furthermore, a gap is left between the third floor slab and the frame columns to ensure that the deformation of the frame columns under seismic loads does not collide with the floor slab, maintaining the integrity of the floor slab.

This utility model discloses a precision-drilled multilayer circuit board, belonging to the field of multilayer circuit boards. It includes a circuit board and rivets. Each rivet comprises a linkage structure, a clearance groove, a limiting ring, a riveting groove, an outer protective ring, an assembly ring, a riveting plate, a riveting connecting rod, an inner pressure ring, a snap-fit ​​groove, and a through groove. Through the combination of the outer protective ring and the limiting ring, and the inner riveting groove and the riveting plate, stacked rivets can be achieved. Each rivet can independently press the circuit board through the limiting ring, ensuring the stability between circuit board layers and improving interlayer positioning accuracy. Simultaneously, it reduces the pressure difference between layers, thereby reducing deformation caused by uneven interlayer stress, ensuring the accuracy of subsequent drilling, etc. It is not limited by the number or thickness of layers, allows for convenient assembly, and eliminates the need for multiple sets of riveting holes, saving circuit board space. During riveting, a single riveting connecting rod can drive all assembled rivets to be riveted simultaneously, eliminating the need for multiple riveting operations, ensuring stability while improving production efficiency.

The utility model discloses a bushing type current transformer which comprises a current transformer body, the upper surface of the current transformer body is fixedly connected with a shell, the shell is provided with eight sliding grooves, the inner surfaces of the eight sliding grooves are connected with sliding blocks in a sliding mode, the upper surfaces of the sliding blocks are fixedly connected with lower bearing blocks, and the lower bearing blocks are fixedly connected with lower bearing blocks. The upper surfaces of the eight lower bearing blocks are fixedly connected with upper bearing blocks, a pull rod is slidably connected between every two lower bearing blocks and every two upper bearing blocks in a penetrating mode, through the components, the eight clamping plates clamp inwards at the same time, and compared with a traditional double-clamping-plate clamping mode, eight-point-position clamping can provide more comprehensive and more balanced supporting force; the mutual inductor and the wire are connected more stably, the mutual inductor is effectively prevented from sliding or shifting on the surface of the wire, pressure borne by all parts of the wire is balanced, and the situation that the wire is deformed due to the fact that local pressure is too high is avoided.

The application provides a gear synchronous transmission anti-clamping laser pipe cutting chuck, which comprises a front cover, a rear cover, a connecting shaft for fixedly connecting the front cover and the rear cover, two pairs of clamping claws for clamping a pipe, an actuating cylinder for providing a power source, a synchronous driving mechanism for synchronously transmitting the driving force of the actuating cylinder to the clamping claws, and an anti-clamping mechanism for limiting the stroke of the synchronous driving mechanism and thus limiting the stroke of the clamping claws; the synchronous driving mechanism comprises an ear seat connected with the actuating cylinder, a push rod connected with the ear seat, a synchronous driving gear wheel in transmission connection with the push rod, four driven gear wheels in meshing connection with the synchronous driving gear wheel, one pawl fixedly arranged on each of the driven gear wheels, and four sliders slidably arranged on the front cover; the four pawls are in transmission connection with the four sliders respectively; and one clamping claw is fixedly arranged on each of the sliders. The application has high transmission efficiency and synchronous precision, is suitable for machining pipe fittings with a large size range, and can be effectively used for clamping thin pipes or fragile pipe fittings.

The utility model relates to a copper bar riveting and pressing jig, be applicable to the copper bar of the riveting and pressing of the setting of two ends being bent and carrying out the riveting and pressing of the riveting nut at the bent part, including the riveting and pressing table of being located on the tool seat, the riveting and pressing table includes the pedestal and the table top of integrated mould, be equipped with the positioning part of being able to restrict one side bent part on copper bar on the table top, and the guide part for positioning the riveting nut, the bent part and the nut that need riveting and pressing are restricted to the table top, and the riveting head is from the table top direction and punches down, and the riveting nut is riveted and presses and is embedded to the nut hole of bent part, be equipped with the elastic holding assembly of being able to carry out the top holding of the other side bent part of copper bar on the pedestal, the utility model has the advantages of: in the process that the riveting head exerts force downward, owing to the restriction of positioning part, the bent part of copper bar and the riveting nut can not shift, thereby guaranteeing the accuracy of riveting and pressing position.

This utility model relates to the field of packaging bag technology, and in particular discloses a silicone sealing bag product with easy opening and closing, including a bag body and an opening and closing component disposed on the bag body. The bag body has a receiving cavity for accommodating external items, and one end of the bag body has an opening communicating with the receiving cavity. The opening and closing component is disposed inside the opening for opening and closing the opening. The opening and closing component includes a first sealing part and a second sealing part adapted to each other. The first sealing part and the second sealing part are respectively installed on opposite side walls of the opening of the bag body. After the first sealing part and the second sealing part are connected, the opening of the bag body is closed. This utility model simplifies the opening and closing operation by setting an opening and closing component, and the sealing performance is better than the folding seal of traditional silicone bags, ensuring that the items can be kept inside the bag and not affected by the outside world. Moreover, it eliminates the need for additional zipper sliders, saving production costs.

The embodiment of the application provides an anti-lock braking system, which can not change the structure of a traditional anti-lock braking system, only add an electromagnetic valve, multiple sets of check valves and supporting control logic, so that the anti-lock braking system has the functions of auxiliary parking and the like, thereby maintaining a low cost and meeting more needs of users. The anti-lock braking system comprises an anti-lock braking control module, a brake master cylinder, an electromagnetic valve, a front wheel braking module, a rear wheel braking module and a check valve group. The anti-lock braking control module is used for sending an auxiliary parking signal to the electromagnetic valve, the front wheel braking module and the rear wheel braking module. The brake master cylinder is used for outputting a first set amount of brake fluid according to a brake pedal stroke. The electromagnetic valve is used for closing a first liquid outlet and a second liquid outlet and connecting a third liquid outlet in response to the auxiliary parking signal. The front wheel braking module and the rear wheel braking module are used for keeping the brake pressure of the front wheel and the rear wheel at a first set pressure value in response to the auxiliary parking signal.

The utility model discloses a kind of auxiliary top pressure and collection tools for fastener removal, it includes aluminium alloy top block, metal connecting pipe, fastener collection cloth bag and rubber skin, aluminium alloy top block includes handheld portion and the top pressure part for top pressure on the surface of aircraft parts and is arranged at the front end of handheld portion, fastener collection channel is equipped in aluminium alloy top block, the entrance of fastener collection channel is arranged at the front end surface of top pressure part, the outlet of fastener collection channel is arranged at the surface of handheld portion, one end of metal connecting pipe is connected with the outlet of fastener collection channel, the bag mouth of fastener collection cloth bag is sleeved in the other end of metal connecting pipe, rubber skin covers the outer surface of handheld portion.The utility model can better guarantee that aircraft parts structure is not deformed in the process of removing fastener, and the fastener part that can be collected to punch out by punch.

This invention provides a power distribution unit and a charging device. The power distribution unit includes: a plurality of distribution components arranged sequentially along a first direction; each distribution component includes a circuit board and a plurality of onboard relays; the circuit board extends along a second direction, and each onboard relay is disposed on the circuit board; the second direction is perpendicular to the first direction; a bus assembly including a plurality of first busbars and a plurality of second busbars, the first busbars crossing at least one distribution component and connecting one end of each onboard relay located in different distribution components, the second busbars connecting the other end of each onboard relay located in the distribution component to connect or disconnect current loops through the onboard relays; an outer frame including at least two side frames arranged along the second direction; the two ends of the circuit board in the distribution component along the second direction are inserted and fixed to the corresponding side frames along a third direction. This power distribution unit has the advantages of small size, low cost, and convenient maintenance.

The utility model discloses a building construction gap waterstop installation clamp of anti -leakage, relate to auxiliary construction technical field, including bearing frame, the below of bearing frame is provided with air cylinder and motor, the outer surface fixed mounting of bearing frame has handle, the below of bearing frame is provided with load wheel, the outer surface winding of load wheel has waterstop, can hold handle with one hand, and promote equipment forward, when equipment moves forward, the waterstop on load wheel will be pressed into construction gap by pressing wheel, and when setting screw, can install screw at the output end place of motor, then can stop moving equipment for a while, then open motor and air cylinder, and air cylinder and motor can make screw rotate downward movement mutually, make screw can be nailed into waterstop and construction gap, because the position of nailing is between two load wheels, make waterstop not deformation or convex before and during being nailed into by screw, and then solved the problem that two people need to cooperate simultaneously when laying waterstop.

The utility model discloses a kind of frozen transport frames for cold storage ice plate, comprising: underframe, it is horizontally arranged, and the four corners position of lower end surface is all provided with universal wheel;Top frame, it is horizontally arranged above the underframe;Side frame, it is vertically arranged between the two sides of the underframe and the top frame;Tray, it is horizontally and layered arranged between a pair of side frame.The utility model has the following advantages and effects: by setting movable transport frame, the layered support of ice plate is realized, sufficient heat exchange space is ensured between ice plate, and it is convenient to push uniformly, the ice plate freezing speed of freezing out is fast, ice plate cannot be deformed, so that batch freezing and cold release operation are facilitated.

The application discloses a connecting piece and a connecting method based on basalt polyethylene composite pipes, relates to the field of pipelines, and comprises a fixing piece in a tubular structure and an induction heating structure. The fixing piece comprises, from outside to inside, a first polyethylene layer, a first metal layer and a second polyethylene layer. The two ends of the fixing piece are used for sleeving in the connecting ends of two basalt polyethylene composite pipes respectively, and the outer diameter of the fixing piece is greater than or equal to the inner diameters of the connecting ends of the two basalt polyethylene composite pipes. The induction heating structure is located outside the two basalt polyethylene composite pipes and is used for heating the first metal layer. After the structure is connected, the basalt polyethylene composite pipes have better strength, density and pressure resistance. Meanwhile, the inner walls of the basalt polyethylene composite pipes are kept smooth, and the flow area is not affected.

This utility model discloses a bending fixture, which includes: a positioning plate, wherein the positioning plate is provided with a first limiting ring and a second limiting ring; the diameter of the first limiting ring is smaller than the diameter of the second limiting ring, and the space between the first limiting ring and the second limiting ring is used to fix the workpiece to be processed; the first limiting ring has an opening corresponding to the opening of the workpiece to be processed; the positioning plate is also provided with a bending member, which is disposed inside the first limiting ring and is used to bend the opening of the workpiece to be processed, avoiding the inconvenience of bending by fitter after scribing, limiting the workpiece to be processed by the limiting ring, and ensuring that the workpiece to be processed will not deform during the bending process, thereby improving bending efficiency, ease of operation and forming quality of the workpiece.

The utility model provides an evanescent mode large flat plate type casting anti-deformation tool and a sand box for a casting mold, and the evanescent mode large flat plate type casting anti-deformation tool is arranged in the sand box and comprises two supporting pipes and a plurality of connecting pipes; the two supporting pipes are arranged in the sand box in parallel, and the supporting pipes are vertically arranged; the multiple connecting pipes are arranged at intervals in the vertical direction, the two ends of each connecting pipe are attached to and fixedly connected with the peripheral faces of the two supporting pipes respectively, the pipe body positioning faces of the multiple connecting pipes abut against the same side of a mold, and the multiple connecting pipes are matched to form a main body positioning face. According to the anti-deformation tool for the evanescent mode large flat plate type casting, the supporting pipes are arranged in the sand box, the connecting pipes are installed on the same side faces of the two supporting pipes, the multiple connecting pipes jointly form a main body positioning face, the main body positioning face is matched with filled dry sand to horizontally position a casting mold, and the casting quality of a cast iron flat plate is guaranteed.

The invention relates to the technical field of range hoods, in particular to an air duct system of a range hood and the range hood, and aims to solve the problems that due to the fact that a motor support is connected with a volute, the weight of a motor and vibration generated during working are borne by the volute independently, the volute is prone to damage or deformation, noise is generated, and user experience is reduced. In order to achieve the purpose, the air duct system of the range hood comprises a shell, a motor, a volute and a motor bracket, the volute is arranged in the shell and detachably connected with the shell, the motor is arranged in the volute, the motor support is connected with the motor, and the motor support extends out of the volute and is further connected with the shell, so that the situation that the volute bears the weight of the motor and vibrates during working is avoided. According to the air duct system of the range hood, the motor support is connected with the motor and the shell, the volute does not bear the weight of the motor and vibration generated during working, the volute cannot be damaged or deformed, noise is avoided, and the user experience is improved.

This utility model discloses an expansion-locking polyethylene micro-jacking pipe, including a pipe body; its characteristic is that it also includes a joint made of cast iron, a partition set on the joint, a spigot end set on the joint and inclined on both sides of the partition, a socket end set at the pipe end and adapted to the spigot end, and limiting stops set on both sides of the upper part of the partition to limit and block the pipe body. This utility model, by using a cast iron joint, connects adjacent pipe bodies through the cast iron joint. Due to the higher strength of cast iron, the wall thickness of the cast iron spigot only needs to occupy 1 / 6 to 1 / 4 of the total wall thickness, while the plastic socket can retain a larger wall thickness, ensuring strong pressure resistance at the connection between the pipe body and the joint. During use, the connection will not deform due to pressure, thus preventing leakage at the connection due to deformation and improving the sealing performance of the connection.

The utility model discloses a filter element with a replaceable filter layer, and relates to the related technical field of filtration. The filtering device comprises a filtering channel, an end plate, a cover plate and filtering assemblies, a U-shaped groove is formed in the filtering channel, limiting grooves distributed at equal intervals are formed in the U-shaped groove, and one filtering assembly is arranged in each limiting groove; end plates are fixed at the two ends of the filtering channel, a cover plate covers the filtering channel and the end plates, and a sealing gasket is fixed on the bottom surface of the cover plate; the filter assembly comprises a filter frame and a mounting ring fixed in the filter frame, U-shaped rubber pads are fixed on the two sides and the bottom surface of the filter frame, a cavity is formed in the mounting ring, and the cavity is filled with a filter material; and grating nets are arranged outside the two end surfaces of the filter material. By arranging the filter channel, the filter assembly, the cover plate, the sealing gasket and the rubber mat, the problems that each filter layer in the filter element cannot be replaced independently and the sealing performance of each filter layer in the filter element is insufficient are solved.

This invention discloses a shielding mold and positioning device for ceramic ring spraying. The ceramic ring includes a ceramic ring body, which has an arc-shaped portion, a stepped portion, and an L-shaped portion arranged sequentially from the inside to the outside. The arc-shaped portion consists of a top surface portion and an arc-shaped surface portion, with the junction of the top surface portion and the arc-shaped surface portion forming the inner spraying boundary. The L-shaped portion consists of a horizontal portion and a vertical portion, with a concave annular groove at the top of the vertical portion. The side of the concave annular groove away from the arc-shaped portion, which connects with the top surface of the vertical portion, forms the outer spraying boundary. The shielding mold includes an annular inner boundary shielding mold and an outer boundary shielding mold. The outer side wall of the inner boundary shielding mold has a first step that matches the top surface portion and side wall within the inner spraying boundary of the arc-shaped portion. The inner side wall of the outer boundary shielding mold has a second step that matches the top surface and side wall outside the outer spraying boundary of the L-shaped portion. This invention ensures a clear and accurate spraying boundary for the ceramic ring, thus ensuring a high yield rate.

The utility model relates to the technical field of afforestation machinery, and the name is hedge pruning device of track solid, including device body, device body still include following track, install the sliding block of cooperation track on the track, install the pruning arm of hedge on the sliding block, still have the pruning sword of pruning motor drive and install on the hedge pruning arm, the sliding block can adjust the position of pruning sword in left and right direction on the track and run, realize the pruning of hedge in different parts in left and right direction, the device still include a support body, the track just install on the support body, the support body is the cuboid with multiple side panels, the side panel is steel sheet. Such hedge pruning device has the advantage that guarantees that the track does not deform when using, guarantees the pruning effect and service life.

The utility model relates to medical instrument technical field discloses a long -acting gastric retention drug delivery device, can enter the stomach through the oral self -ingestion mode, further realizes size change through the unfolding of elastic component, and the mechanical strength of elastic component is strengthened through water -induced hard polymer, avoids being extruded deformation and is emptied through the stomach pylorus. The device includes drug loading component, elastic component and connecting component, and the drug loading component includes multiple drug loading pieces, and the drug loading piece all has the drug loading cavity. The elastic component includes multiple elastic pieces, and the first end of multiple elastic pieces is connected with each other to make the elastic component present star -like under the unfolded state. The outer layer of elastic component is covered with reinforcing film, and the reinforcing film is formed by water -induced hard polymer solidification and can gradually transform from flexible to rigid under the aqueous environment. The connecting component includes multiple connecting pieces, and the second end of an elastic piece is connected with a drug loading piece through a connecting piece, and the connecting piece is decomposed under the preset condition, so that the drug loading piece and elastic component are separated and are discharged outside non -invasively.