26results about How to "Improve structural tightness" patented technology

This application discloses a relay comprising: a housing forming a contact chamber; and a first magnetically conductive member disposed within the contact chamber and mounted to the housing by fasteners; wherein a mounting hole is formed in the housing, and the fasteners pass through the mounting hole to mount the first magnetically conductive member to the housing. According to the relay of this application, by using fasteners to mechanically mount the first magnetically conductive member to the housing, a series of problems arising from the use of adhesives can be avoided.

This utility model discloses a novel refrigerator, including a cabinet body and a door. The cabinet body includes an outer shell and an inner liner, with the inner liner located within the outer shell. A cover is connected to the lower back of the outer shell, forming an installation chamber between the cover and the outer shell. A refrigeration system is installed in the installation chamber, and the refrigeration system includes a return air pipe located between and close to the inner liner and the outer shell. A foam layer made of polyurethane foam material fills the space between the inner liner and the outer shell. The inner liner is made of ABS plastic, and the outer shell is made of galvanized steel sheet. This novel refrigerator, with its galvanized steel outer shell and ABS inner liner combined with a polyurethane foam layer, enhances the structural strength and insulation of the cabinet, reducing cold air leakage. The return air pipe is equipped with a heat-conducting pipe and a heat-conducting plate to improve heat exchange efficiency. The heat from the return air pipe evaporates water from the collection box, eliminating the need for manual drainage and aiding in cooling. Overall, it achieves efficient refrigeration, convenient maintenance, and a superior storage experience.

The utility model provides a hollow glass door body and a refrigerator. The hollow glass door body comprises a door frame and hollow glass, the hollow glass comprises inner glass and outer glass, and the door frame comprises a door body frame arranged on the periphery of the hollow glass and arranged in an L shape; the door body inner frame is connected between the door body frame and the hollow glass, the two ends of the door body inner frame are connected with the two ends of the door body frame in a clamped mode to form a containing space filled with a foaming agent, and the door body outer frame is connected with the door body inner frame in a buckled mode to define a mounting groove used for mounting the hollow glass. In the utility model, the door body inner frame and the door body outer frame simultaneously buckle and press the hollow glass to achieve a stable state. The foaming agent is filled between the door body frame and the door body inner frame, so that condensation of the door body frame is effectively reduced. Meanwhile, the foaming agent is not in contact with the hollow glass, different types of hollow glass can be replaced according to different use environments so as to meet specific use requirements, and higher compatibility is achieved.

The utility model discloses a kind of cooling tower multilayer sealing water leakage prevention center cylinder, belong to cooling tower technical field, including center cylinder main body, center cylinder main body is by first bending plate and second bending plate interconnect and constitute. First bending plate is U type, and first side flange is provided in two side edges;Second bending plate is flat plate, and second side flange is provided in two side edges. First side flange and second side flange are Z type, mutually adhere to each other and be connected by bolt, and sealing layer is provided between adhering surface. The utility model solves the problems of low production efficiency, high cost, insufficient water leakage prevention ability and other problems in the prior art, realizes the manufacture of efficient, low-cost and superior water leakage prevention performance of cooling tower center cylinder.

This invention relates to the field of automotive air conditioning manufacturing technology, and discloses an automotive air conditioning pipe crimping equipment, comprising a feeding device, a processing device, and a unloading device. The processing device includes end leveling, upsetting, radial extrusion, and deburring units, as well as a three-axis transfer claw. The unloading device integrates unloading and visual inspection units. The equipment achieves multi-process automatic flow of pipe fittings through the three-axis transfer claw, sequentially completing pipe end leveling, upsetting, radial extrusion forming, and deburring, ensuring processing coaxiality, avoiding pipe eccentricity and cracking, and improving pipe end forming accuracy and sealing performance. Simultaneously, online quality inspection through visual inspection during the unloading stage automatically identifies defective products. The entire machine integrates feeding, multi-process forming and finishing, online inspection, and automatic unloading, achieving a high degree of automation, reducing labor intensity, and improving production efficiency and product yield.

The utility model relates to the technical field of smoke exhaust skylight and disclose a streamline smoke exhaust skylight convenient to open fast, including window top subassembly, window top subassembly is equipped with sash subassembly, window top subassembly includes streamline window top board, streamline design can reduce the wind resistance, promotes the aerodynamic performance of whole structure, and the assembly groove is set up between the center position of the upper and lower two side walls of streamline window top board for installing sash subassembly. The utility model discloses through setting up speed reducer, synchronous controller, synchronous controller controls the operation of speed reducer, drives connecting rod, connecting sleeve and other components, can drive sash frame to open fast, realizes the smoke exhaust function in the emergency such as fire rapidly, improves the opening efficiency.

The utility model belongs to the technical field of industrial dust removal equipment, and particularly relates to a cyclone cloth bag combined dust remover which is characterized by comprising a box body assembly, a tube nest is arranged in the box body assembly, and a stepped hole is formed in the tube nest; the filter bag assembly is arranged on the tubesheet, the filter bag assembly comprises a framework cage, and a connecting ring is arranged at the top of the framework cage; a groove is formed in the bottom surface of the connecting ring; the connecting ring is matched with the upper part of the stepped hole; the framework cage is sleeved with the filter bag, a clamping hoop is arranged at the top of the filter bag, the upper portion of the clamping hoop is arranged in the groove of the connecting ring, and the lower portion of the clamping hoop is matched with the lower portion of the stepped hole. The bag-type cyclone dust collector is used for solving the technical problems that the filter bag of the existing bag-type cyclone dust collector is only connected and mounted through a filter bag supporting plate, is lack of stability and poor in sealing performance during blowing, and is inconvenient to mount, dismount and replace.

The utility model provides an aluminum alloy and plastic combined ultrasonic cleaning machine which aims to overcome the defects of an existing ultrasonic cleaning machine in the aspects of structural strength, sealing performance, attractiveness and service life. According to the cleaning machine, aluminum alloy and plastic are combined for use, the durability and the sealing performance of equipment are improved, meanwhile, the cost is reduced, the attractiveness of a product is improved, and the service life of the product is prolonged. The aluminum alloy parts are used for key appearance and durability improving areas, such as an aluminum alloy front panel and a decorative sheet, and the upper cover, the inner cover, the side cover, the bottom shell and other parts are made of ABS materials. In addition, the device further comprises an intelligent control system, a safety protection mechanism, a water-saving design and a convenient-to-clean and convenient-to-maintain design, so that the device is more intelligent, safer, environment-friendly and easy to maintain.

The utility model provides a kind of moxibustion equipment, belong to moxibustion equipment field, including combustion bin, combustion bin end part has support piece, support piece annular setting, support piece outer base surface between inside wall of combustion bin has installation cavity;Installation cavity bottom has placing table, and sensor is placed on the upper base surface of placing table, and sensor is located in installation cavity, support piece outer surface has sealing element, and heat insulating element is above sensor, and heat insulating element is located sealing element side, the utility model is applicable to the circuit board of the combustion bin end part of moxibustion mechanical arm clamping is protected, installation cavity is set in combustion bin end part, and installation cavity inside is sealed by sealing element and heat insulating element, reduce the influence of high temperature and dust to sensor, so that sensor can normally identify real-time data, ensure the normal operation of equipment.

This invention provides a vibration damping component and its manufacturing method for an electronic device, as well as an electronic device and a back cover assembly for the electronic device. The vibration damping component of the electronic device comprises, from the inside out, a zeolite porous layer and a viscoelastic polymer barrier layer. The zeolite porous layer includes a viscoelastic polymer matrix and zeolite powder dispersed within the viscoelastic polymer matrix, and the zeolite porous layer contains large pores. The vibration damping component of the electronic device provided by this invention combines viscoelastic polymer material and zeolite powder, and when placed in the gap between the back cover and the electronic device substrate, it not only achieves excellent vibration reduction, almost eliminating shell vibration of the electronic device, but also significantly improves the low-frequency acoustic performance.

The utility model provides a panoramic sliding window with a closing-up structure, which relates to the technical field of doors and windows, and comprises a left window sash, a connecting component and a right window sash, and one end of the connecting component is fixedly connected with the left window sash; the right window sash is fixedly connected with the end, away from the left window sash, of the connecting assembly. The connecting assembly comprises a first closing-in structure and a second closing-in structure, the first closing-in structure abuts against the second closing-in structure in a matched mode, and the left window sash is fixedly connected with the end, away from the second closing-in structure, of the first closing-in structure. The right window sash is fixedly connected with the end, away from the first closing-in structure, of the second closing-in structure. The panoramic sliding window with the closing-up structure not only can prevent wind and rain from invading, enhances structural stability and sealing performance of the window, but also can remarkably improve sound insulation and heat preservation and insulation effects, and creates a more comfortable environment for the interior of a room.

The utility model relates to water treatment technical field, and disclose a kind of durable water pump for sewage treatment, including support base, motor structure, shaft coupling sealing box, rotating shaft fixed structure, water pump and sewage inlet and outlet structure, motor is stably installed by motor support frame, output shaft is connected rotating shaft through shaft coupling, rotating shaft is supported by high-precision ball bearing, drive wear-resistant impeller in water pump rotation, water pump adopts side water inlet, top water outlet design, cooperate with self-cleaning grid filter screen and gradually expanding flow channel, effectively reduce blockage and energy loss, shaft coupling sealing box uses anticorrosive sealing structure, rotating shaft support system is equipped with heat dissipation channel and split type maintenance design, water pump support frame uses modular damping structure, overall rigidity installation ensures operating stability.

The utility model discloses an aluminum profile convenient to clean installation, including aluminum profile one and aluminum profile two, aluminum profile one one end is provided with the plug -in block, aluminum profile two one end is provided with the slot, and the plug -in block is inserted in the slot, the both sides of plug -in block all are provided with the inner chamber. The utility model discloses in the process of actual use, and the aluminum profile one is connected with the aluminum profile two through the cooperation of plug -in block and slot, and the sliding block of the both sides of plug -in block is embedded in the inner chamber, and when inserting the slot, is extruded compression spring no.

This utility model discloses a movable shell structure for a projection robot, including a robot with a shell. Inside the shell is a projection bracket capable of rotating around a pivot P. The projection bracket has a projection device for projecting an image forward. A drive device for rotating the projection bracket is located between the shell and the projection bracket. The front of the shell has an arc-shaped sliding window. An arc-shaped sliding cover plate is connected to the projection bracket to cover the sliding window. The centers of both the sliding cover plate and the sliding window are located on the pivot P, allowing the sliding cover plate to slide against the edge of the sliding window when the projection bracket rotates. The sliding cover plate has a projection window for the projection device to emit light. The purpose of this utility model is to overcome the shortcomings of existing technologies and provide a compact and protective movable shell structure for a projection robot.

The utility model provides modular assembly type road sound insulation screen frame relates to road sound insulation screen technical field, including bottom plate, the four corner of bottom plate installs the positioning pin, the top of bottom plate installs lower mounting seat, the both sides inside lower mounting seat installs lower cross bar, the top inside lower mounting seat installs vertical pole, the top of vertical pole installs upper mounting seat, the both sides inside upper mounting seat installs upper cross bar, the inside of lower mounting seat is provided with connecting mechanism, through being provided with connecting mechanism in the inside of lower mounting seat, the mutual match between the positioning hole, the locating piece, the screw groove, the threaded rod and the rotating block of utilizing connecting mechanism, can carry out convenient disassembly and installation handling to vertical pole, can realize module standardization quick butt joint, need not complex procedure, greatly shorten single section assembly time, can replace module alone in local damage, reduce maintenance cost, also promote transportation space utilization, save engineering cost.

The application provides a metal pipe flanging structure, comprising: a metal pipe body; a first welding auxiliary part, which is arranged on the outer peripheral side of the end part of the metal pipe body, is annular, and is provided with a first auxiliary welding surface on the side far away from the metal pipe body; a second welding auxiliary part, which is arranged on the inner peripheral side of the end part of the metal pipe body, is annular, and is provided with a second auxiliary welding surface on the side far away from the metal pipe body; the first auxiliary welding surface and the second auxiliary welding surface are flush with the end part of the metal pipe body and are perpendicular to the side wall of the metal pipe body. The flanging structure can ensure the complete filling of the weld on the inner side of the metal pipe during welding, avoid the concave weld on the outer side of the metal pipe, and improve the welding strength of the metal pipe.

This invention discloses a lightweight, energy-saving, and fire-resistant soil-based foam lightweight soil, made from the following raw materials in parts by weight: 20-30 parts magnesium slag powder, 20-30 parts granulated blast furnace slag powder, 15-25 parts iron tailings powder, 40 parts soil, 6 parts water glass, 10 parts desulfurized gypsum, 0.28-0.43 parts polycarboxylate superplasticizer, 57-75 parts water, 0.76-1.00 parts AOS foaming agent, 0.16-0.26 parts HPMC foam stabilizer, and 0.16-0.26 parts calcium stearate foam stabilizer. The preparation method is as follows: 1. Mixing and stirring dry powder materials; 2. Preparing slurry; 3. Preparing soil-based foam lightweight soil; 4. Molding and curing. This invention optimizes the composition and proportion of raw materials to construct a three-dimensional skeleton dense structure, resulting in soil-based foamed lightweight soil with low thermal conductivity, low density, and high strength. It is suitable for roof insulation, wall and roadbed filling, bridge abutment backfill, foundation pit, pipeline backfill, and landscape engineering.

The invention relates to the technical field of high polymer material processing and plastic molding, and discloses an extrusion blow molding and injection molding composite molding process of a food packaging plastic bottle. According to the technology, a pre-oriented tubular parison is formed through extrusion, a bottle body with the uniform wall thickness is obtained through one-time inflation shaping, then a high-precision threaded bottle opening is directly formed in a closed mold in an injection molding mode, secondary inflation finishing is supplemented for compensating local shrinkage, finally cooling demolding is conducted, and the size and the sealing performance are detected on line. The whole process is integrally completed in a clean environment, and intermediate transfer is not needed. The process remarkably improves the structural precision, the sealing reliability and the surface smoothness of the bottle body, enhances the compression resistance and the falling resistance, improves the production efficiency and the material utilization rate, and ensures that a finished product meets the food contact safety standard.

The utility model discloses an injection molding battery top cover structure which comprises a base plate, two pole columns are symmetrically arranged on the base plate, a welding ring is welded on the base plate, a plurality of through holes are formed in the welding ring, a sealing ring is arranged on an inner ring of the welding ring, the sealing ring is sleeved on the pole columns, and molten plastic is injected between the base plate and the pole columns through an injection molding process to form an injection molding covered edge. And the substrate, the welding ring, the sealing ring and the pole are fixed into an integral structure by the injection molding covered edge. According to the injection molding battery top cover structure, the substrate, the welding ring, the sealing ring and the pole can be fixed into a whole through the injection molding edge covering structure formed through the injection molding process, and compared with an existing welding fixing structure, the connecting structure can enhance the structural stability and the sealing performance of the top cover, so that the application environment of the battery is wider.

The invention belongs to the technical field of low-pressure mixed injection equipment, and provides a polyurethane low-pressure mixed injection head which comprises a main fluid with a discharging hole and an injection hole, an isolation runner piece arranged on the side portion of the main fluid and communicated with the injection hole, and a discharging isolation nozzle arranged on the isolation runner piece and located on the outer side. The static mixer fixing pipe is communicated with the isolating runner piece, the discharging body is arranged on the main fluid and is communicated with the isolating runner piece through a discharging nozzle, the switching body is arranged on the discharging body, the sealing cover is arranged on the switching body, and the execution air cylinder is used for controlling the sealing cover to act relative to the switching body; a premixing sleeve is arranged at the end part of the static mixer fixing pipe; the discharging isolation nozzle is arranged in the premixing sleeve, and the discharging isolation nozzle and the premixing sleeve form an independent premixing area; and a pressure preparation valve for adjusting pressure balance is arranged on the discharging body. Through structural improvement, the technical problems that an existing injection head is uneven in mixing, large in residual quantity, unreliable in sealing, narrow in adaptability, low in efficiency and the like are solved.

The utility model discloses a kind of bionic root system structure's soil infiltration purification device, it includes main body frame, layered flow guide component and bionic root system structure module. Main body frame is equipped with partition plate division functional area inside, top is equipped with water inlet, bottom is equipped with water outlet;Layered flow guide component passes through corrugated flow guide plate and optimizes sewage flow path;Bionic root system structure module is enhanced pollutant removal capacity by multilayer filter material and helical blade design, and reduce the risk of plugging. The device also includes backwashing system and liquid level sensor, for removing sediment and achieving automatic control. The present application can significantly improve purification efficiency, reduce maintenance cost, adapt to various terrain conditions, simplify construction technology, ensure long-term stable operation.

The utility model belongs to shielding case technical field, concretely relates to a new energy automobile sensor shielding case, including the cover body of integrated structure, elastic buckle and support leg, material selection chooses white copper or tinplate, is made through blanking, bending process, has nickel on the surface electroplating, on the basis of nickel plating layer, electroplating has a layer of bright tin again, the side of cover body is equipped with the reserved hole, the part of cover body connection is shaped to have dovetail block, forms the dovetail groove between every two dovetail blocks, the dovetail block of cover body both ends is alternately distributed, and the elastic buckle is used for reinforcing sensor and cover body fixed strength, is located in the reserved hole, the support leg is L type, and the length end of a section is vertically arranged with cover body, the other section is parallel with cover body, and the lower end of the section of support leg parallel with cover body is equipped with the protruding part, and the vertical mounting hole is equipped in the support leg middle. Through the setting of above-mentioned component, not only shielding case shielding effect is good, and makes the installation fixed effect of shielding case and sensor good while the convenience of dismounting improves, reduces production cost simultaneously.

The utility model relates to the technical field of liquid level sensors, and discloses a capacitive multi-section liquid level sensor which comprises a main shell, a main rod and a bottom fixing piece arranged on the lower side of the main rod. A plurality of upper supporting rods and a plurality of lower supporting rods which are respectively used for supporting the plurality of sensing assemblies are arranged on the bottom fixing piece; the plurality of sensing assemblies comprise an upper metal sensing disc, a metal guide column and a lower metal sensing disc which are sequentially arranged between the upper supporting rod and the lower supporting rod, and are used for generating capacitance change signals when liquid approaches. According to the utility model, the plurality of vertically arranged sensing assemblies and the upper and lower supporting rods are used for supporting, and the main shell and the main rod are hermetically connected, so that the structure is compact, and the installation is convenient. The metal induction disc and the guide column are combined to form a plurality of independent induction nodes, capacitance response signals are triggered step by step according to the height change of the liquid level, the liquid level is accurately measured, and the sensor is widely applied to fine liquid level control and detection of equipment such as industrial containers and storage tanks.

The invention discloses an oversized hyperbolic unit type glass curtain wall based on a BIM technology, and relates to the related field of glass curtain walls. The unit type structure with the multiple layers of outer glass, the inner steel keel and the outer steel keel cooperatively stressed serves as a core, multi-point connection and a graded force transmission path are formed through the upper supporting structure, the lower supporting structure and the middle connecting, fixing and stabilizing mechanism, and all the layers of glass are reliably supported in the vertical direction, the transverse direction and the in-plane direction; concentrated stress generated by the super-large double-curved-surface curtain wall under the action of self weight, wind load and temperature difference can be effectively dispersed, and the risks of glass breakage and node fatigue are reduced; meanwhile, a multi-stage hanging and lifting structure is matched with a waterproof and drainage structure, so that the structural stability and the sealing performance are synchronously improved, the hidden danger of leakage is reduced, the method is suitable for being applied to high-rise and large-span complex curved surface buildings, and three-dimensional collaborative design and construction simulation are carried out with the assistance of the BIM technology; and the curved glass partitioning, keel positioning and node assembly relation can be checked and optimized in advance.

The utility model discloses a rectangular air pipe capable of being freely disassembled, assembled and combined, which comprises a first air outlet pipe connected with the output end of a fan, a second air outlet pipe partially sleeved outside the first air outlet pipe, and a limiting component used for fixing the first air outlet pipe and the second air outlet pipe, the limiting assembly comprises a first limiting step arranged on the inner wall of the second air outlet pipe and a limiting plate arranged at the bottom of the outer wall of the first air outlet pipe, sealing assemblies are arranged at the two ends of the first air outlet pipe correspondingly, and when the first air outlet pipe and the second air outlet pipe are installed in an inserted mode, the first limiting step is connected with the top of the first air outlet pipe; the limiting plate is connected with the bottom of the first air outlet pipe and can limit the first air outlet pipe to continue to move upwards, the limiting plate is connected with the bottom of the second air outlet pipe and can limit the second air outlet pipe to move downwards, stable installation of the first air outlet pipe and the second air outlet pipe is achieved, and the overall structural strength and sealing performance are improved by being matched with sealing assemblies at the two ends of the first air outlet pipe.

The invention discloses a driving iron core assembly for a shutter device and the shutter device, the shutter device comprises the driving iron core assembly, the driving iron core assembly comprises a metal magnetic conductive iron core and a plastic base, and the metal magnetic conductive iron core and the plastic base are integrally formed and connected through injection molding; a blade positioning column set and a magnet positioning column set are formed on the plastic base in an injection molding mode, the column axis of the blade positioning column set and the column axis of the magnet positioning column set are arranged in parallel, and the blade positioning column set penetrates through the metal magnetic conductive iron core. The blade positioning column set, the magnet positioning column set and the plastic base part of the driving iron core assembly are all plasticized, and compared with a traditional design structure integrally formed by die casting of metal materials, the positioning column structure designed by the invention is higher in precision, so that the problem that the manufacturing precision of the positioning column is low is solved.