36results about How to "Realize a tight connection" patented technology

The utility model discloses a string rod stabilizing clamp, belongs to the technical field of string rod clamps, and aims to solve the problems that a string rod is generally directly connected with the inner wall of coil steel in a sleeving manner, so that the coil steel is mounted at one end of the string rod, the coil steel is interfered by external force, and the interior of the coil steel is very easy to loosen and is separated from the string rod. A rod body is fixed on one side of the fixed block; according to the device, the sliding plate, the sliding block, the sliding groove, the hydraulic cylinder, the rubber plate and the rubber ring are installed and matched with one another, stable limiting connection of the device to coil steel connected to the outer wall of the rod body in a sleeving mode is achieved, and the phenomenon that the coil steel falls off due to external force interference between the coil steel and the rod body is avoided; the fastening connection between one side of the rubber ring and the fixing plate is achieved, the coil steel connected with the rod body in a sleeving mode is prevented from sliding and falling off from one end of the rod body, the sliding plate can stably slide at the top end of the connecting block conveniently, and the rod body and the coil steel are fastened and connected.

The utility model relates to the technical field of roof drainage, in particular to a detachable combined drainage port which comprises a roof base layer, a waterproof layer is arranged on the top of the roof base layer, a heat preservation layer is arranged on the top of the waterproof layer, and second installation grooves are formed in the waterproof layer and the roof base layer. And a first drainage pipe is arranged in the second mounting groove, and a second drainage pipe is inserted into the first drainage pipe. Combination of the first drainage pipe and the second drainage pipe can be effectively achieved, the whole drainage port is installed in a double-layer drainage port split mode, the problem that in the construction process, rainwater weather influences the quality of a heat preservation waterproof project is effectively solved, the construction period can be effectively controlled, the requirements for drainage and seepage prevention of a roof are met, and the service life of the roof is prolonged. Meanwhile, in the installation process of the second drainage pipe located on the upper portion, fastening connection between the second drainage pipe and the first drainage pipe can be achieved only by rotating the second drainage pipe, and the stability of the whole combined drainage opening in the drainage process is guaranteed.

The present invention belongs to the technical field of water drains, and particularly refers to a fixing device for water drains, including a water drain shell that is inserted through a water storage container, a sealing ring and a self-locking sleeve are mounted on the water drain shell, and the sealing ring is in conflict with the water storage container and the self-locking sleeve respectively; one end of the self-locking sleeve is a cone structure with an outer diameter of the end portion greater than the outer diameter of the middle portion, and the end is divided into a plurality of petals by a gap along the circumferential direction; the self-locking sleeve is threaded with a spiral sleeve, and the spiral sleeve is screwed in the direction of the petals and in conflict with the outer wall surface of the petals, so that the petals embrace the water drain shell radially inward. The present invention tightly fits the upper surface of the sealing ring with the outer wall surface of the water storage container through the self-locking sleeve, thereby achieving a seal between the water storage container and the water drain shell; and the petals are tightly embraced by the screw thread of the spiral sleeve, thereby achieving a tight connection between the self-locking sleeve and the water drain shell, and the connection is stable, reliable, and not easy to loosen.

According to the prefabricated pier suitable for the earthquake high-intensity area and the construction method of the prefabricated pier, a plurality of longitudinal bars are arranged in an upper prefabricated part, and a plurality of connecting bars are arranged in a lower prefabricated part; the connector provided by the invention can generate enough extrusion force to ensure the connection performance of the rib material in the connector, the end part of the connector main body is expanded and is mutually matched with the wedge-shaped support ring, so that the connection performance of the rib material in the connector is improved, and the connection performance of the rib material in the connector is improved. The supporting rings and the rib materials are embedded and fixed and transmit force through the protrusions and the grooves at the same time, the prefabricated assembly structure can have better integrity at the connecting position, the problem that a prefabricated structure is prone to generating large damage at the connecting position or the pier bottom under the action of earthquake loads is solved, and the structure can give full play to the ductility performance.

The invention provides an isolation plate structure and an isolation plate structure manufacturing method. The isolation plate structure comprises an isolation plate main body and a busbar plate body, the busbar plate body is provided with an installation via hole, the isolation plate main body is provided with a containing groove, the busbar plate body is located in the containing groove, the installation via hole is communicated with the containing groove, the inner bottom wall of the containing groove is provided with a cylinder part in a protruding mode, and the cylinder part penetrates through the installation via hole and is connected with the busbar plate body in a sliding mode; the inner side wall of the containing groove is provided with a buckling part in a protruding mode, the buckling part abuts against the busbar plate body, and the busbar plate body is located below the buckling part so that the buckling part can clamp the busbar plate body into the containing groove. The isolation plate structure is low in manufacturing cost.

The utility model relates to the technical field of stainless steel pipes, and discloses a corrosion-resistant stainless steel pipe which comprises a pipe body, two corrosion-resistant sleeves are arranged on the outer side of the pipe body, fixing seats are fixedly mounted at the tops and the bottoms of the corrosion-resistant sleeves correspondingly, and connecting plates are arranged on the outer sides of the fixing seats; a fixing mechanism is arranged between the connecting plate and the fixing base, a piston cavity is formed in the fixing base, and a piston mechanism is arranged in the piston cavity. Compared with the prior art, the device has the following advantages and effects that the fixing mechanisms are arranged, the two corresponding fixing bases can be connected in a fastened mode through the connecting plates, the purpose that the corrosion-resistant sleeve is installed on the outer side of the pipe body can be achieved, the sealing mechanisms are arranged, the expanded sealing air bags can be tightly attached to the pipe body, and the sealing effect is good. The purposes of effectively preventing external corrosive media from invading from a gap between the corrosion-resistant sleeve and the pipe body and greatly reducing the risk that the pipe body is corroded can be achieved.

The invention belongs to the technical field of transformer substations, in particular to an adjustable heat dissipation device for a transformer, and provides the following scheme that the adjustable heat dissipation device comprises a base, a transformer support, an oil pump, a heat dissipation device support and a fan support, the transformer support is fixedly connected to one side of the top of the base, and the fan support is fixedly connected to the other side of the top of the base; the transformer support is fixedly connected to the middle of the top of the base, the oil pump is fixedly connected to the top, close to one side of the transformer support, of the base, the transformer body is fixedly connected to the top of the transformer support, the radiator is fixedly connected to the top of the radiator support, and the oil discharge pipe is fixedly connected to one side of the bottom of the transformer body. One end of the oil discharging pipe is fixedly connected to the oil pumping end of the oil pump, and the oil discharging end of the oil pump is fixedly connected with an oil feeding pipe. According to the heat dissipation device, the heat dissipation cavity and the fins are installed in the heat dissipation device, the space utilization rate of the device is effectively increased, and the device can be suitable for more different scenes.

The invention discloses an economic management voucher vacuum packaging machine, and relates to the field of economic management. The device body comprises a bearing assembly, a vacuum assembly connected with the device body, a heating assembly connected with the device body, a sensing assembly connected with the heating assembly and a placing assembly connected with the device body; and the heating assembly comprises a sliding groove, a lifting adjusting rod, a sliding block, a heating frame, an air heater, a heat sealing pipe, a heat sealing pump, an insertion pipe, an air outlet and a middle plate. The device has the advantages that the second controller is turned on, packaging parameters, the vacuum degree, the sealing temperature and the sealing time are set, the vacuum pump body is started to pump out air in a packaging bag, and after vacuum pumping is completed, the packaging bag is sealed through the insertion pipe; and through an ultrasonic sensor arranged at the sensing assembly, a hydraulic rod drives an abutting plate and a sensing block to further abut against and sense the packaging bag.

The utility model discloses a knitting needle operation orbital transfer device applied to a single-sided circular weft knitting machine, which comprises a triangular body and a saddle, a hollow hole is milled in the middle of the triangular body, a flat needle or needle jack track switching mechanism is mounted at the hollow hole, and the flat needle or needle jack track switching mechanism comprises a movable orbital transfer cutting block and a cylinder. A screw hole is drilled in the movable orbital transfer cutting block, the air cylinder is fastened to the back face of the saddle through a screw, a piston rod of the air cylinder penetrates through the transverse rod hole from the back face of the saddle, then penetrates out of the working face of the saddle and is fixedly connected with the movable orbital transfer cutting block through the screw, and the air cylinder can control the movable orbital transfer cutting block to advance or retreat through the piston rod. Due to the fact that the flat needle or needle jack track switching mechanism can achieve the purpose of automatic switching of the flat needle moving track and the needle jack moving track, the problem that time and labor are wasted in the process of changing the knitting needle track through manual disassembly and replacement of a triangle is solved, and the working efficiency of the single-face circular weft knitting machine is improved.

The utility model provides a sewage treatment device and belongs to the technical field of sewage treatment devices. The sewage treatment device comprises a main body and a deodorization mechanism, the main body comprises a shell, a mounting frame is mounted in the shell, a three-way pipe is inserted into the bottom end of the mounting frame, a pair of fixing frames is mounted on the side, close to the lower portion of the three-way pipe, of the inner wall of the shell, and a disinfection cavity is inserted between the pair of fixing frames; the deodorization mechanism comprises a water storage tank, the water storage tank is connected with the disinfection cavity through a water inlet pipe, an aeration disc is installed on one side of the inner wall of the water storage tank, an ozone generator is installed on the side, close to the outer portion of the aeration disc, of the water storage tank, and an air outlet of the ozone generator is connected with the aeration disc through a pipeline. According to the sewage treatment device disclosed by the utility model, the sewage treatment efficiency can be effectively improved, the sewage is deodorized, and the sewage treatment device has a relatively high practical value.

The cooking utensil comprises a pot body, a pot cover and a display panel assembly arranged on the pot body, the pot body comprises an outer cover, a mounting opening is formed in the side wall of the outer cover, the opening edge of the mounting opening is provided with a stopping section and an avoiding section in the circumferential direction, and the display panel assembly is provided with a clamping part protruding towards the interior of the outer cover. The display panel assembly can move relative to the outer cover so as to have an unlocking state in which the clamping part and the avoiding section are aligned and a fixing state in which the clamping part and the stopping section are aligned to be matched and fixed. According to the utility model, the opening edge of the mounting opening of the outer cover is provided with the stopping section and the avoiding section, and the display panel assembly can move relative to the outer cover, so that the clamping part and the avoiding section are correspondingly unlocked, or the clamping part and the stopping section are correspondingly locked, and therefore, simple fixation of the display panel assembly and the outer cover is realized, and additional fixing pieces are omitted; and the display panel assembly or the fixing piece does not need to be operated in the outer cover, so that the assembling and disassembling efficiency of the display panel assembly is reduced, and operation is convenient.

The utility model discloses an integrated prefabricated anti-collision wall formwork. The integrated prefabricated anti-collision wall formwork comprises an anti-collision wall formwork body and a quick locking mechanism arranged at the top of the anti-collision wall formwork body. The anti-collision wall template body comprises a rear template, a front template, a first side template and a second side template; through the cooperation between the anti-collision wall formwork body and the multiple sets of quick locking mechanisms, the quick locking mechanisms do not need complex installation tools and tedious operation procedures, fastening connection of the formwork can be quickly achieved through simple clamping and screwing actions, the assembling time is greatly shortened, and the assembling efficiency is improved. The construction efficiency is remarkably improved, the stability and reliability of connection can be effectively guaranteed, it is guaranteed that the formwork is not prone to displacement and loosening in the prefabricating process of the anti-collision wall, and therefore the forming quality of the prefabricated anti-collision wall is improved, the defective rate and the rework phenomenon caused by the formwork problem are reduced, and meanwhile the safety risk in the construction process is reduced.

This application discloses a pair of pliers that is easy to assemble and disassemble, including a left and a right pair of pliers arranged in a cross configuration. The left pliers have a left plier shaft portion, and the right pliers have a right plier shaft portion. The left plier shaft portion includes a left connecting seat with a connecting groove. A connecting sleeve with internal threads is concentrically arranged in the connecting groove. The right plier shaft portion includes a right connecting seat with a gasket mounting groove and a connecting sleeve on opposite sides. A connecting hole is formed at the bottom of the gasket mounting groove. During assembly, the connecting sleeve is inserted into the annular mounting groove outside the connecting sleeve, and the bolt passes through the gasket and the connecting hole and is screwed into the internal thread of the connecting sleeve. Therefore, the pliers provided by this application can be assembled and disassembled using only a screwdriver. Its double-sleeve structure allows for both sliding rotation and adjustment of tightness at any time by tightening the bolt. The two pliers can be separated by removing the bolt, making it convenient to clean the dirt inside the pliers. The assembly and maintenance are simple, and the gasket forms an end face seal to prevent lubricating oil from seeping out, thus avoiding dirty hands and clothes.

The utility model discloses a sealing structure for a plate heat exchanger, which comprises a sealing assembly, a locking mechanism and pressing plates, and is characterized in that the pressing plates are arranged at the top and the bottom of the heat exchanger, a plurality of heat exchange sheets are arranged between the pressing plates, the sealing assembly is arranged between the pressing plates and the plurality of heat exchange sheets, and the locking mechanism is arranged on the pressing plates; a supporting layer is arranged in the sealing assembly, an annular boss is arranged on the top of the pressing plate, a groove is formed in the locking mechanism, and the groove is matched with the annular boss in a clamped mode. The sealing performance of the heat exchanger can be enhanced, and the sealing effect and the heat exchange effect are improved.

The utility model discloses a novel zirconium oxide baked porcelain tooth which comprises a plurality of groups of porcelain tooth bodies, a connecting structure is arranged between every two groups of porcelain tooth bodies, each connecting structure comprises an outer frame, an inner inserting plate and a connecting bolt, the outer frame and the inner inserting plate are fixedly connected with the inner sides of the porcelain tooth bodies on the two sides respectively, an inner groove is formed in the middle of the outer frame, and the connecting bolts are arranged in the inner groove. The outer frame is of a hollow frame structure, groove bodies are formed in the upper end and the lower end of the outer frame, a plurality of sets of round hole structures are formed in the middle of the inner inserting plate, and the connecting bolts are fixedly connected with the groove bodies through round holes, so that fastening connection is achieved. The multiple sets of round hole structures are adopted in the inner inserting plate structure, and the inner inserting plate can move along with the inner inserting plate in the inner groove structure; furthermore, the porcelain tooth bodies on the two sides can move by a specified length, the requirements of different mounting sizes are met, and compared with an existing structure, elastic mounting can be realized, and fastening is performed through a nut and an anti-skid rubber pad structure after mounting.

The utility model discloses a magnetic powder brake with easily replaced magnetic powder, which comprises a shell and a brake mechanism, the shell is provided with an accommodating groove for accommodating the brake mechanism, the shell is detachably connected with a cover body assembly for sealing or exposing the accommodating groove, the cover body assembly comprises two cover plates which are detachably connected to two end parts of the shell respectively, and the two cover plates are detachably connected with the brake mechanism. The two cover plates and the shell are coaxially arranged, each cover plate is provided with three connecting holes, the three connecting holes in the two cover plates are triangularly distributed, the shell is provided with matching holes corresponding to the connecting holes, and a mounting bolt is in threaded connection between each connecting hole and the corresponding matching hole. The shell is provided with a reinforcing piece used for being matched with an installation bolt so as to improve the connection strength between the cover plate and the shell. The magnetic powder brake solves the problem that a magnetic powder brake which is easy to replace magnetic powder and high in connection strength between the cover plate and the shell is lacked in the prior art.

The utility model discloses a cold storage plate connecting structure, belongs to the technical field of plate connection, and aims to solve the problem that the connecting effect of a device on two plates is affected due to the fact that the two cold storage plates are directly contacted, spliced and assembled in general, so that the connecting position is easy to loosen due to stress and the plates are separated from each other. Limiting mechanisms are arranged on the two sides of the concave plate. Through mutual installation and cooperation of the bonding plates, the fixing blocks, the connecting rods, the springs, the bonding blocks and the annular plates, the inner walls of the concave plates and the outer walls of the cold storage plates are connected in a fastened mode, and therefore the fastening performance of the device for connection of the connecting positions of the two cold storage plates is improved, and the using effect of the device is conveniently improved; and through mutual installation and cooperation of the vertical plates, the connecting plates, the clamping blocks and the clamping grooves, fastening connection between the supporting plates and the fixing blocks is achieved, so that the stability of limiting installation of the plates on the inner wall of the concave plate by the device is improved, and then the two plates can be better and fixedly connected.

The utility model discloses a prefabricated wall reinforcing, installing and connecting structure which comprises a first prefabricated concrete wall, a second prefabricated concrete wall, a vertical post-pouring section, an embedded steel plate and a connecting piece. The embedded steel plate comprises an anchoring plate and a connecting plate, and a clamping groove is formed in the connecting plate; the connecting piece comprises a mortise and tenon frame, a positioning nut and a spring bolt. During installation operation, the first prefabricated concrete wall and the second prefabricated concrete wall are symmetrically arranged on a foundation, positioning rods are in threaded connection with positioning nuts, the two ends of the bottom of the mortise and tenon frame are inserted into the two sets of symmetrically-arranged clamping grooves correspondingly, the spring bolts are ejected out, the mortise and tenon frame is locked and prevented from falling off, and after a plurality of connecting pieces are installed, the first prefabricated concrete wall and the second prefabricated concrete wall are installed. And concrete is poured into a gap between the first prefabricated concrete wall and the second prefabricated concrete wall to form a vertical post-pouring section, so that the prefabricated wall mounting operation is completed. According to the connecting structure, the screw hole does not need to be chiseled or blocked, and the common quality problem of leakage of a traditional reinforced connecting structure of a prefabricated wall is solved.

The invention provides a wave frequency instrument for promoting plant growth, and particularly relates to the technical field of plant yield increase, the wave frequency instrument comprises a main body outer cover, a pulse signal transmitting module is arranged in the main body outer cover, the pulse signal transmitting module is connected with an upper computer through a wireless transmission module, and the bottom end of the main body outer cover is fixedly connected with the top end of a fixing column. The bottom end of the fixed column is fixedly connected with the connecting block, the connecting block is rotationally connected with the top end of the rotating column, and the bottom end of the rotating column makes contact with the ground; the connecting block is connected with the supporting leg structures, the supporting leg structures are connected with the movable adjusting structure, the movable adjusting structure is connected with the power driving structure, the power driving structure is further connected with the rotating column through a linkage assembly, and the supporting leg structures are arranged on the outer side of the connecting block in an annular array mode. According to the wave frequency instrument for promoting plant growth, the pulse emission numerical value can be remotely changed, the wave frequency instrument is suitable for different production operation situations, meanwhile, the supporting legs can be automatically fixed and moved, and manpower is greatly saved.

The utility model provides a fan and a range hood. The fan comprises a motor and an impeller, the motor is provided with an output shaft, the impeller is provided with a penetrating hole, the output shaft is sleeved with the impeller through the penetrating hole, the fan further comprises a clamping jaw and a positioning base which can move between a first position and a second position relative to the clamping jaw in the first direction, and the clamping jaw is provided with a plurality of elastic arms inserted into the positioning base. A matching structure is arranged between the elastic arms and the positioning seat, and the matching structure is configured to enable the elastic arms to be in a first state when the positioning seat is in a first position relative to the clamping jaw, enable the elastic arms in the first state to be separated from the output shaft and enable the elastic arms to be in a second state when the positioning seat is in a second position relative to the clamping jaw. And the plurality of elastic arms in the second state limit the output shaft. According to the fan, fastening connection between the motor and the impeller is formed through interaction of force, the connection is not prone to loosening, and the situation similar to nut thread loosening does not occur. And the structure is simpler and easy to realize.

The invention discloses an adjustable cable fastening device, which belongs to the field of cable erection equipment, and mainly comprises three rollers in a shape like a Chinese character'pin ', each roller is provided with a sliding groove for a cable to bypass, the groove bottom of the upper part of the sliding groove of a driving roller is provided with a concave part, and the circle center of the concave part falls on the diameter of the driving roller. A mounting block is arranged on the opening side of the concave part and is opposite to the concave part, a locking bolt is in threaded fit with the mounting block, and when the locking bolt is screwed into the mounting block, the cable located at the opening of the groove part can be extruded, and the cable is extruded into the concave part, so that the cable is fixed. The adjustable cable fastening device is convenient to operate, one end of the cable can be firmly installed in the fastening device very reliably, and a guarantee is provided for maintaining the tensioning state of the cable in the cable erecting process.

This invention discloses a bipolar horizontal battery for preventing liquid and gas leakage, comprising a casing and multiple electrode groups disposed within the casing. Each electrode group includes cross-stacked electrode plates and separators. The electrode plates have a crisscrossing mesh structure. The electrode groups are connected in series via an electrode connection assembly, and a separator is disposed between any two adjacent electrode groups. The electrode connection assembly includes a conductive plate, a conductive insert, and a slot disposed on the side wall of the separator. One end of the conductive plate is connected to an electrode plate, and the other end is connected to the conductive insert. The conductive insert is inserted into the slot, and a wire connected to the conductive insert is disposed within the slot. An electrode group fixing groove and a separator fixing groove are disposed at the bottom of the inner cavity of the casing, and a terminal block is disposed at the end of the inner cavity of the casing. The beneficial effects of this invention are: achieving a stable connection between the electrode groups and the casing while isolating the electro-hydraulic components within the electrode groups, effectively providing a good barrier effect.

The utility model discloses a black welding wire detecting and collecting device, and relates to the technical field of welding wire detecting devices. The black yarn collecting device is used for collecting black yarn wound around a spool and comprises a rack, and a driving device is connected to the rack; the winding device comprises a fixed disc, a winding disc and a telescopic assembly; the fixed disc is connected to a driving shaft of the driving device; the winding disc is connected to the peripheral side of the fixed disc in a surrounding mode through the telescopic assembly and can do telescopic motion in the radial direction of the fixed disc through the telescopic assembly. The detection assembly comprises a plurality of visual sensors connected to the rack, and the visual sensors are used for detecting whether black filaments exist on the spools or not; according to the welding wire black wire detecting and collecting device, automatic detection and automatic collection of black wires can be achieved, the conditions of high labor intensity and low working efficiency caused by traditional manual collection are avoided, forming collection of the black wires can be achieved, arrangement and storage of the collected black wires are facilitated, and follow-up recycling and utilization are facilitated.

The utility model relates to a novel oil and water well casing reinforcing device which comprises a central pipe, an upper packing assembly and a lower packing assembly, the upper packing assembly and the lower packing assembly are arranged at the lower end of the central pipe at intervals, and the novel oil and water well casing reinforcing device is technically characterized in that a fixing ring seat is arranged in a pipe section, between the upper packing assembly and the lower packing assembly, of the central pipe, and a plurality of radial guide sleeves are evenly arranged on the peripheral wall of the fixing ring seat; an avoiding hole corresponding to the radial guide sleeve is formed in the center pipe, a reducing blocking piece is arranged at the outer end of the radial guide sleeve, a radial plunger is arranged in the radial guide sleeve, the free end of a column rod of the radial plunger penetrates through the reducing blocking piece and then is connected with an arc-shaped extrusion block, and the section, between the arc-shaped extrusion block and the reducing blocking piece, of the column rod is sleeved with a spring. The peripheral face of each arc-shaped extrusion block is sleeved with the same reinforcing sleeve, the peripheral face of each reinforcing sleeve is provided with an anti-disengagement tooth-shaped structure, and the upper portion and the lower portion of each peripheral face are each provided with a plurality of Z-direction long holes. The device is convenient to operate, good in safety and low in reinforcement cost, and meanwhile, a large number of reinforcing agents are prevented from being used.

The utility model discloses a kind of anti-falling high-pressure oil pipe joints, including connector body, high-pressure oil pipe, fixed assembly, upper fixed plate, lower fixed plate, first extension plate, first screw hole, first locking screw, first locking nut, anti-falling assembly, roof, bottom plate, upper anti-falling plate, lower anti-falling plate and second extension plate;The both ends of connector body are threadedly connected with high-pressure oil pipe, the outer wall of high-pressure oil pipe is equipped with fixed assembly, and the fixed assembly includes upper fixed plate, lower fixed plate, first extension plate, first screw hole, first locking screw and first locking nut, the upper fixed plate and lower fixed plate are attached to the upper and lower outer walls of high-pressure oil pipe, the both ends of the upper fixed plate and lower fixed plate are integrally formed with first extension plate, first screw hole is formed on the first extension plate, and the utility model can improve the connection firmness between connector body and high-pressure oil pipe, to avoid falling after long time.