31 results about "Ebonite" patented technology

The invention discloses a sealing ring supporting structure and a sealing ring, and relates to the technical field of bearing sealing, the sealing ring supporting structure comprises a bearing, the bearing is composed of an inner ring, an outer ring and balls, the outer surface of the outer ring of the bearing is fixedly connected with a plurality of protection blocks, sealing assemblies are arranged on the two sides of the bearing, and each sealing assembly comprises two first sealing rings attached to the two sides of the bearing. A plurality of first sealing rings are arranged in each set in an annular array mode, a second sealing ring is fixedly connected between every two first sealing rings in each set, and an oil injection hole is formed in each first sealing ring. A circular ring formed by combining the first sealing ring and the second sealing ring which are made of different materials is used as the sealing ring, compared with an existing sealing ring which is prone to edge warping due to uneven thermal expansion of the materials at the high temperature, the first sealing ring made of hard rubber is used as a supporting framework, overall deformation is limited, and the sealing performance is improved. The second sealing ring made of soft rubber absorbs extrusion force of thermal expansion towards the adjacent areas through elastic deformation, and edge warping caused by stress generated by local deformation is avoided.

The application discloses an aluminum alloy profile pipe and a preparation method thereof, and aims to provide the aluminum alloy profile pipe and the preparation method thereof, which are processed in the same working position through bending and welding, are simple to operate, and save processing time. The aluminum alloy profile pipe comprises a forming pipe, the middle part of the forming pipe is in an arc shape, the outer side wall of the arc-shaped part of the forming pipe is connected with a mounting buckle, and the mounting buckle is provided with a mounting hole. The core rod inserted in the application is made of hard plastic or hard rubber material, can ensure the smoothness of the visible surface during the bending and forming of the mold, and will not be broken. The rubber sheet arranged can ensure that the forming pipe will not be scratched when being contacted with the forming pipe during the bending and forming, can ensure the smoothness of the visible surface, and can ensure the bending and forming quality of the forming pipe.

The utility model provides a double-color injection molding mold for an air duct of a car. A product cavity is formed by a sliding block assembly, a cavity insert and a core insert; the sliding block assembly comprises a hard rubber sliding block, a soft rubber sliding block and a blade insert. The ebonite sliding block, the adjacent cavity insert and the adjacent core insert form an ebonite cavity; the soft rubber sliding block, the adjacent cavity insert and the adjacent core insert form a soft rubber cavity; the blade insert is arranged at the junction of the hard rubber cavity and the soft rubber cavity and is arranged on one side of the soft rubber cavity; in addition, a set of injection system is additionally arranged beside the single-color injection molding machine; the hard rubber cavity is connected with an injection pipeline of an original injection system of the single-color injection molding machine, and the soft rubber cavity is connected with an injection pipeline of an additional injection system. The utility model has the beneficial technical effects that the processing of double-color injection molding parts can be completed in a single-color injection molding machine, and only one set of mold is needed; the production cost and the production period are effectively reduced, and the mold design is simplified.

The utility model relates to a mobile phone cover injection molding pick-and-place device which comprises an L-shaped clamp main board, a key pushing device arranged on the upper side of the bottom end of the clamp main board and used for placing and pushing a key product; a hard rubber placing clamp is arranged on the side part of the upper end of the clamp main plate and is used for placing a hard rubber product; the manipulator clamp is arranged above the clamp main plate, and the manipulator clamp is connected to the fixed bracket; the key clamping assembly is connected to the lower end of the fixing support, and the key clamping assembly can move in the direction close to or away from the key pushing device and is used for clamping key products; the ebonite taking and placing assembly is arranged at the upper end of the fixing support and used for clamping and releasing ebonite products; the finished product taking-out assembly is arranged at the side end of the fixing support and used for clamping finished products. By the adoption of the structure, automatic implantation injection molding of the keys and the hard rubber of the mobile phone cover is achieved, the production efficiency of products is improved, and the yield of the products is increased.

The application discloses a pipe pile construction hammer pile cap and relates to the technical field of building construction equipment. The pipe pile construction hammer pile cap comprises a pile cap mechanism, a clamping mechanism is arranged at the bottom and the outer side of the pile cap mechanism, the pile cap mechanism comprises a hammer pile cap, and a top cover is arranged at the top of the hammer pile cap. The bottom of the hammer pile cap is provided with a through hole, the hammer pile cap is sleeved at the top of a sunk pile, hard rubber is arranged at the inner part of the hammer pile cap and the connection position of the top of the sunk pile as a flexible support, an inner support plate is further arranged at the top of the hammer pile cap for limiting installation, the stability is maintained, the top cover is arranged on the top for facilitating hammering, the steel plate and the reinforcing pad are utilized for facilitating the increase of the supporting force and the strength inside, and then the use effect is guaranteed. The concentrated impact force can be evenly transmitted to the top of the pile by the pile cap. The inner part of the pile cap is usually provided with buffer materials. The buffer materials can be elastically deformed when being impacted, so that the distribution of the impact force on the top of the pile is more uniform.

1. Name of the Design Product: Rubber Cutting Blade (1A57). 2. Use of the Design Product: This design product is used for cutting glass glue or urethane hard rubber. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Stereogram.

The utility model relates to the technical field of reinforcing steel bars, and discloses a reinforcing steel bar straightening device which comprises a straightening table, a straightening box, a cutting box and a collecting box. The straightening box and the cutting box are arranged on the two sides of the upper face of the straightening table, a sinking groove is formed in the position, located on the front side of the cutting box, of the straightening table, a shaking structure for evenly placing cut reinforcing steel bars is arranged in the sinking groove, and the collecting box is placed on the shaking structure. The two sides of the straightening box and the two sides of the intercepting box are each provided with a feeding port and a discharging port, grooved idler wheels used for straightening reinforcing steel bars are arranged in the straightening box, a hydraulic intercepting component is arranged at the position of the feeding port of the intercepting box, and a transverse pulling device is arranged in the intercepting box. A rolling plate with the front portion low and the rear portion high is arranged at the lower end in the intercepting box, an electric rotating wheel is arranged at the front end of the inner side of the intercepting box, and a hard rubber rod is detachably arranged on the periphery of the rotating wheel. The steel bar straightening device has the advantages that straightened steel bars can be conveniently collected in a unified mode, and the situation of disorder and confusion is avoided.

The utility model relates to a constructional engineering detection tool, in particular to an arc-shaped wall inclination inside and outside radian detection tool, which comprises a horizontal extension scale, the horizontal extension scale is a bidirectional extension scale, a first sliding sleeve is fixedly mounted in the middle of the horizontal extension scale, a middle measuring scale is slidably mounted in the first sliding sleeve, and second sliding sleeves are fixedly mounted at two ends of the horizontal extension scale respectively. An end measuring scale is slidably mounted in the second sliding sleeve. A threaded hole is formed in the outer wall of the second sliding sleeve, a knob screw is in threaded connection with the threaded hole, one end of the knob screw abuts against the end measuring scale, and a hard rubber pad is fixed to the end, abutting against the end measuring scale, of the knob screw. The device can be used for measuring the inner radian and the outer radian of an arc-shaped wall, is simple in structure and ingenious in design, can quickly and conveniently measure and calculate the radian of the arc-shaped wall, is wide in application range, can be repeatedly used, reduces the labor intensity, and improves the construction efficiency.

This invention discloses a long-life, universal vibration damping and noise reduction material for elevator systems and its preparation method, belonging to the field of elevator vibration reduction technology. It comprises multiple rubber layers, including at least two hard rubber layers and at least two soft rubber layers, with the hard and soft rubber layers alternately stacked. The difference in Shore A hardness between the hard and soft rubber layers is ≥30 degrees. The damping loss peak of the hard rubber layer is located in the high-frequency region, while the damping loss peak of the soft rubber layer is located in the low-frequency region. The vibration damping and noise reduction material has a loss factor ≥0.3 in the frequency range of 5–500 Hz. By limiting the hardness difference between the hard and soft rubber layers, this invention constructs a layer with significantly different macroscopic mechanical properties. The hard rubber layer acts as a high-frequency vibration energy dissipation layer, and the soft rubber layer acts as a low-frequency vibration energy dissipation layer, synergistically achieving high damping characteristics with a loss factor ≥0.3 in a wide frequency range of 5–500 Hz, effectively suppressing the vibration of the elevator system across the entire frequency band.

The utility model discloses a 3D glass cover plate suitable for the automatic 3D polishing procedure, including ebonite component and soft rubber component, ebonite component includes ebonite component body, first ebonite cylinder, second ebonite cylinder, mounting groove and a plurality of rubber pulling hole, first ebonite cylinder and second ebonite cylinder symmetrically and convexly set up on the top surface of ebonite component body, and soft rubber component includes ebonite component body, first ebonite cylinder, second ebonite cylinder, mounting groove and a plurality of rubber pulling hole. The mounting groove and the multiple glue pulling holes are formed in the bottom surface of the hard glue assembly body, an identification unit is formed in the first hard glue column body, the soft glue assembly comprises a glue flowing unit, a first soft glue column body, a second soft glue column body and multiple glue pulling pieces, and the first soft glue column body and the second soft glue column body are connected through the glue flowing unit; the multiple rubber pulling pieces are arranged on the first soft rubber column body and the second soft rubber column body in a protruding mode respectively, a first installation hole is formed in the center of the first soft rubber column body, and a second installation hole is formed in the center of the second soft rubber column body. Therefore, automatic assembly of the cover plate is realized by matching with an automatic machine.

The utility model discloses a convenient-to-clean injection molding device for vinyl production, which comprises an injection molding shell, an annular groove is formed in the right side of the injection molding shell, and the convenient-to-clean injection molding device is characterized by further comprising an injection molding mechanism; the injection molding mechanism comprises a buckle cover, a rotating seat, a cross socket, a rotating shaft, a spiral conveying piece, a first dismounting and mounting assembly, an inserting ring and a second dismounting and mounting assembly, the left side of the buckle cover is connected with the annular groove in an inserted mode through the inserting ring, the left wall of the buckle cover is rotationally connected with the rotating seat through a bearing, and the cross socket is inserted into a cross inserting groove formed in the left side of the rotating seat; according to the injection molding device convenient to clean and used for vinyl production, all the components are fixed together in an elastic inserting connection mode, when the injection molding device used for vinyl production is cleaned in the later period, all the components can be rapidly detached and separated, and the components are convenient to clean; and a worker can conveniently and carefully clean all parts of the injection molding device for vinyl production independently.

The utility model discloses a multi-sealing structure of a combined body of a special-shaped sealing ring and an O-shaped sealing ring. The multi-sealing structure comprises an inner wall, a sealing ring fixing device, an outer wall, a special-shaped rubber sealing ring and the O-shaped sealing ring. The inner wall is provided with a sealing ring fixing device, the sealing ring fixing device and the inner wall form a groove design, and the sealing ring fixing device is used for fixing the special-shaped sealing ring, preventing the sealing ring from moving or rolling during working, forming effective sealing during extrusion sealing and preventing fluid leakage. The section of the special-shaped sealing ring is semi-elliptical, and the special-shaped sealing ring is provided with an upper groove and a lower groove for accommodating the O-shaped rubber ring. The O-shaped rubber ring is made of a hard rubber material, impurities can be prevented from entering a sealing interface, the special-shaped sealing ring is promoted to deform under extrusion, and therefore the sealing force is enhanced. In addition, the oval hole is formed in the special-shaped sealing ring, in the sealing process, under the action of fluid pressure or friction force, the hole can transversely deform, the deformation allowance of the structure is increased, and the leakage process is delayed.

The utility model belongs to the technical field of door hinge oiling, and discloses a door hinge automatic oiling machine which comprises a base, a material guide pipe, a flexible pipe and a material conveying structure, a plurality of sliding grooves are symmetrically formed in the surface of the base at equal intervals, door hinges are arranged in the sliding grooves in a sliding mode, and the material conveying structure is arranged on one side of the surface of the base. The flexible pipe, the hard rubber pipe, the spray head and the like are arranged, when the flexible pipe, the hard rubber pipe, the spray head and the like are used, an operator can directly apply pressure to the hard rubber pipe, the hard rubber pipe is forced to deform, the material conveying structure is used for controlling the position of the door hinge in the sliding groove, and the material conveying structure is used for controlling the position of the door hinge in the sliding groove. And then the internal flexible pipeline is driven to synchronously generate displacement, the spraying direction and the spraying position of the bottom spraying head are adjusted, and then the problems that the current manual lubrication cost is high, and the limitation is large due to the fact that an oiling machine cannot adjust the spraying direction easily are solved.

The utility model discloses a hydraulic scraping and rolling cutter belongs to the oil cylinder production and manufacturing technical field, a hydraulic scraping and rolling cutter, and the hydraulic scraping and rolling cutter is composed of cutter body, cutting part, rolling part, hydraulic system part, adjustment part, supporting part, and the cutting part includes rough cutter head, rough boring cutter, fine cutter seat, fine cutter blade, and the rolling part includes raceway, retainer, roller, roller expansion and contraction piston, and the hydraulic system part includes oil inlet pipe, fine cutter expansion and contraction piston, and the adjustment part includes fine cutter seat, fine cutter adjusting stud, precision locking nut, and the supporting part includes fine cutter seat anti -rotation key, supporting ebonite strip. It can rely on the mechanical extrusion mode, has improved the precision, straightness of oil cylinder pipe inner wall working operation, has improved the hardness and strength of oil cylinder pipe inner wall, has improved the smoothness of oil cylinder pipe inner wall, has the high processing efficiency, and the stability is stronger advantage.

The present invention belongs to the technical field of parts grinding and processing, and specifically discloses a low-density hard rubber parts edge grinding processing device, including a two-way mixed grinding component and a base, the two-way mixed grinding component includes a central spindle, an inner ring auger and an outer ring auger, the inner ring auger is provided with a central sleeve, the inner ring auger is fixed to the central spindle through the central sleeve, one end of the outer ring auger is provided with an end sealing plate, the outer ring auger is fixed to the central spindle through the end sealing plate. The present invention utilizes the low density of the "porous material" to ensure that it is always within the effective pushing range of the outer ring auger, avoiding the workpiece from entering the range of action of the inner ring auger; not only that, this solution ensures that the abrasive inside the barrel is evenly distributed and the total amount is stable through abrasive recovery and two-way pushing, thereby achieving continuous throughput and grinding of the workpiece.

The utility model discloses a pet pressure occlusion function training ball, and particularly relates to the field of pet training balls, the pet pressure occlusion function training ball comprises a training ball body, a first connecting layer is arranged outside the training ball body, a second connecting layer is fixedly adhered to one side of the first connecting layer, and a third connecting layer is fixedly arranged on the inner side of the second connecting layer. The first connecting layer, the second connecting layer and the third connecting layer are sequentially made of rubber, hard rubber and a nano-antibacterial material, a plurality of groups of first convex blocks are arranged outside the training ball body at equal intervals, second convex blocks and third convex blocks are sequentially arranged on one sides of the first convex blocks, and the second convex blocks and the third convex blocks are arranged at equal intervals. The first connecting layer, the second connecting layer and the third connecting layer are used in cooperation and are made of soft rubber, bite-resistant hard rubber and nano-antibacterial materials, the comfortable bite touch feeling and the buffering effect are provided, meanwhile, the durability of the training ball is improved, and meanwhile a certain antibacterial effect can be achieved.

1. Name of the design product: Rubber cutting blade (2095). 2. Use of the design product: This design product is used for cutting silicone sealant or urethane rubber. 3. Design key points of the design product: lies in the shape. 4. Picture or photograph that best shows the design key points: Stereogram.

The utility model provides an F-shaped steel bearing type reinforced concrete jacking pipe, which relates to the technical field of building construction, and comprises a cylindrical reinforced concrete jacking pipe body, the right side surface of the reinforced concrete jacking pipe body is provided with a circular connecting socket in an extending manner, and the inner diameter of the circular connecting socket is consistent with that of the reinforced concrete jacking pipe body; the periphery of the connecting inserting opening is sleeved with a sealing sleeve, the inner diameter of the sealing sleeve is consistent with the outer diameter of the connecting inserting opening, the sealing sleeve is made of hard rubber materials, and the position, close to the periphery, of the left side face of the reinforced concrete jacking pipe body is sleeved with a socket steel ring body made of steel materials. According to the F-shaped steel bearing type reinforced concrete jacking pipe, through the design, the sealing performance of the connecting position of the F-shaped steel bearing type reinforced concrete jacking pipe can be effectively improved, and therefore the problems that the drainage effect is affected due to leakage, and follow-up maintenance is troublesome are solved.

The invention belongs to the technical field of part grinding machining, and particularly discloses a low-density hard rubber part edging machining device which comprises a two-way mixing grinding assembly and a base, the two-way mixing grinding assembly comprises a center main shaft, an inner ring auger and an outer ring auger, a center sleeve is arranged on the inner ring auger, and a center sleeve is arranged on the outer ring auger; the inner ring auger is fixedly connected to the center main shaft through the center sleeve, one end of the outer ring auger is provided with an end sealing plate, and the outer ring auger is fixedly connected to the center main shaft through the end sealing plate. The characteristic that the porous material is low in material density is utilized, it is guaranteed that the porous material is always located in the effective pushing range of the outer-ring auger, and workpieces are prevented from entering the action range of the inner-ring auger; in addition, according to the scheme, it is guaranteed that grinding materials in the charging barrel are evenly distributed and the total amount is stable in a grinding material recycling and bidirectional pushing mode, and therefore continuous throughput and grinding of the workpieces are achieved.

The utility model discloses a micro motor with a graphite nylon gasket, which comprises a motor shell, a gasket groove is arranged in the middle of the front end of the motor shell, a driving shaft is arranged in the middle of the gasket groove on the motor shell, and a gasket component is arranged in the gasket groove. The gasket component comprises a graphite nylon gasket body fixed in the gasket groove, a heat insulation pad is compounded at the bottom of the graphite nylon gasket body, a soft rubber sleeve is arranged in the middle of the graphite nylon gasket body, a hard rubber ring is fixedly installed at the tail end of the soft rubber sleeve, and the hard rubber ring is movably arranged on the driving shaft in a sleeving mode. According to the graphite nylon gasket for the micro motor, when the driving shaft is slightly inclined, tooth gaps are formed in the inner side of the graphite nylon gasket body, and at the moment, the soft rubber sleeve is slightly deformed, so that the hard rubber ring is inclined to keep the same direction as the driving shaft, and the hard rubber ring is connected to the driving shaft in a sealed state; and the secondary sealing effect is achieved, and the sealing effect is improved.

1. Name of the design product: Rubber cutting blade (801). 2. Use of the design product: The design product is used for cutting silicone sealant or urethane hard rubber. 3. Design key points of the design product: Lies in the shape. 4. Picture or photograph that best shows the design key points: Perspective view.

The invention relates to the technical field of ampoule bottle finished product carrying manipulators, in particular to a boxing finished product transferring manipulator for ampoule bottle processing, which comprises a working table, an embedding plate and a plugging plate, two sliding rails are fixedly mounted at the top of the working table, and a moving seat is slidably mounted on the outer sides of the two sliding rails; a ball screw mechanism is in threaded transmission connection with the interior of the moving seat, a mechanical arm is movably mounted at the top of the moving seat through a bearing seat, and a driven fluted disc fixedly sleeves the outer side of the bottom end of the mechanical arm; the flexible silica gel material of the silica gel soft head can generate certain flexible deformation when being matched with the inner side of the inner concave pit to adsorb the top of the ampoule bottle, adsorption of the ampoule bottle is flexibly protected, the rubber suction head is made of the relatively hard rubber material, the stable position is kept, the silica gel soft head is assisted in keeping the stable position, deviation can be reduced, and it is ensured that after adsorption, the ampoule bottle is prevented from being damaged. And a relatively stable position is kept in the packaging box, so that the use effect is improved.

The present application belongs to the field of fabricated building engineering, and particularly relates to a prefabricated reversible assembled multifunctional lattice filling wall and a mounting method thereof, which comprises a prefabricated lattice frame wall unit, connecting anchor bolts, a hard rubber sheet and a groove-shaped self-adhesive cover plate. The prefabricated lattice frame wall unit is provided with a plurality of reserved holes and reserved hole grooves, and adjacent prefabricated lattice frame wall units are connected through bolts. The connecting anchor bolts are connected with the outer wall beam columns through the reserved holes of the prefabricated lattice frame wall unit. The groove-shaped self-adhesive cover plate is arranged on the reserved hole groove, and the hard rubber sheet is arranged at the gap between the prefabricated lattice frame wall unit and the outer wall beam column. The present application is transported to the indoor by the elevator, is simple to assemble, has small decoration noise and low construction difficulty, and meets the multiple requirements of residents for flexible space layout, simplicity and reversible construction.

This utility model belongs to the field of injection molds, specifically an injection mold for an automotive rearview mirror with a material unloading structure. It includes a fixed mold, with multiple positioning rods fixedly connected to one side of the fixed mold; an injection port connected to the other side of the fixed mold; a movable mold slidably connected between the positioning rods; a main shaft fixedly connected to one end of the movable mold; first plates symmetrically fixed to both sides of the fixed mold; multiple hard rubber rods installed on both sides of the first plates; and two pairs of connecting rods rotatably connected to one side of the movable mold, with each pair of connecting rods located on both sides of the first plates and corresponding to the hard rubber rods. Through the cooperative action of the connecting rods and the hard rubber rods, the movable mold is subjected to frequent impacts from the balls during reset, thereby demolding and unloading the product inside the movable mold, reducing the operation required for demolding the injection molded part, and also reducing deformation and damage to the product caused by direct ejection.

The utility model discloses an outdoor liquid cooling energy storage cabinet which comprises a cabinet body, a cabinet door is rotatably arranged on the side face of the cabinet body, a first rectangular edge and a second rectangular edge are fixedly connected to the inner side of the cabinet door, a sealing assembly is connected between the first rectangular edge and the second rectangular edge in a clamped mode, the sealing assembly comprises a soft rubber sleeve and a hard rubber strip, and the soft rubber sleeve is sleeved with the hard rubber strip. When the soft rubber sleeve and the hard rubber strip are fixedly connected together, an air chamber is formed. In the process of closing the cabinet door, the hard rubber strip firstly abuts against the cabinet body, the hard rubber strip extrudes the soft rubber sleeve, so that the soft rubber sleeve is extruded and deformed, the air pressure of air in the air chamber is increased along with the decrease of the volume of the air chamber, and the soft rubber sleeve is supported to abut among the first rectangular edge, the second rectangular edge and the cabinet body. The effect of enhancing the sealing performance between the cabinet body and the cabinet door is achieved, the soft rubber sleeve is tightly attached to the cabinet body and the cabinet door all the time, rainwater is isolated outside the energy storage cabinet, and circuits in the energy storage cabinet are protected.

The utility model discloses a combined process treatment device for ebonite wastewater, which comprises a flocculent precipitation reactor, the flocculent precipitation reactor comprises a flocculation zone, a coagulation zone and a precipitation zone, one side of the precipitation zone is provided with a first water outlet pipe, the first water outlet pipe is connected to an electro-catalysis high-efficiency reactor, and the electro-catalysis high-efficiency reactor is provided with a second water outlet pipe. A second water outlet pipe is arranged on one side of the electro-catalysis efficient reactor, the second water outlet pipe is connected to the ozone catalytic oxidation reactor, and an ozone generator is connected to one side of the ozone catalytic oxidation reactor. The utility model integrates the advantages of various technologies, saves land and reduces investment; the use of dangerous chemicals is eliminated, so that the operability and the safety are improved; the sludge yield is effectively reduced.

The invention discloses flash pneumatic separation equipment for a rain plug injection molding frame, and belongs to the technical field of rain plug production and processing. The separation equipment comprises a workbench, a positioning seat is fixedly connected to the top of the workbench, a lower pressing plate is arranged above the positioning seat, a liftable pressed seat is arranged in an inner cavity of the positioning seat, a sealing assembly is arranged above the lower pressing plate, and the sealing assembly comprises a fixing frame fixedly connected to the top of the workbench. Through cooperative use of the positioning seat, the lower pressing plate, the pressed seat and the sealing assembly, the rain plug is sealed and pressed, so that the positioning seat and the lower pressing plate form a relatively closed cavity, and then under cooperative use of the air blowing assembly and the lower pressing plate, high-pressure air is instantly sprayed into the inner cavity of the pressed seat, so that the rain plug is subjected to air blowing separation; therefore, the purposes of batch stripping, stripping of soft and hard rubber materials and prevention of damage to the surface of the rain plug caused by physical contact can be achieved.

The utility model relates to the field of engineering crack treatment devices, and particularly provides a highway engineering crack treatment device. The device comprises the processing device, the processing device comprises the frame and the box body, the first protection mechanism is arranged, the position and the angle of the scraping plate can be accurately controlled through the fine adjustment function of the adjusting seat and the adjusting rod, accurate cleaning of sundries around a crack is achieved, and therefore the influence of the sundries on the crack filling effect is effectively avoided, and meanwhile the processing device is convenient to use. The height of the scraping plate is adjustable through the fixing holes formed in the adjusting rod, the requirement for cleaning cracks with different depths and widths is met, the adaptability of the device is improved, more importantly, the scraping plate is made of hard rubber, sufficient hardness is guaranteed to scrape impurities, damage to laid asphalt is avoided, and the service life of the device is prolonged. The technical problem that according to a traditional air exhaust type cleaning mode and an air blowing type cleaning mode, a sundry bag is frequently cleaned or joint filling asphalt is polluted is fundamentally solved.

1. Name of the design product: Rubber cutting blade (208). 2. Use of the design product: This design product is used for cutting silicone sealant or urethane hard rubber. 3. Design key points of the design product: lies in the shape. 4. Picture or photo that best shows the design key points: perspective view.

The utility model relates to the technical field of carrying, and discloses a weight carrying device which comprises a carrying box, a square box is fixedly connected to the inner wall of the rear side of the carrying box, a cavity is formed in the square box, and a driving assembly used for providing power is fixedly connected to the inner wall of the bottom of the cavity. Rotating plates are rotationally connected to the left side and the right side of the top end of the driving assembly correspondingly, sliding blocks are rotationally connected to the front ends of the rotating plates, connecting blocks are fixedly connected to the top ends of the two sliding blocks correspondingly, and two reinforcing plates are fixedly connected to the close sides of the two connecting blocks correspondingly; hard rubber plates are fixedly connected to the sides, far away from each other, of the two connecting blocks, an I-shaped groove block is fixedly connected to the inner wall of the bottom of the cavity, and square holes are formed in the left side and the right side of the cavity. According to the utility model, the operation efficiency and safety are improved, the calibration accuracy is improved, the service life of equipment is prolonged, and the operation convenience is enhanced.