39results about How to "Realize telescopic adjustment" patented technology

The utility model discloses a fixture for a special-shaped tool. The fixture comprises a supporting seat, the clamping mechanisms are used for clamping special-shaped workpieces, and the clamping mechanisms are arranged at the edge of the top of the supporting base at equal intervals; wherein the clamping mechanism comprises an installation seat fixedly connected to the supporting seat, a clamping assembly used for clamping a workpiece is installed on the installation seat, and a plurality of telescopic assemblies arranged at equal intervals are installed on the side face of the clamping assembly. A workpiece to be machined is placed among the multiple clamping mechanisms, then the clamping bolt is rotated by rotating the hand wheel, the clamping seat is driven to be close to the workpiece under the action of threads of the threaded sleeve, the workpiece is extruded through the clamping plate, and telescopic adjustment of the clamping plate can be achieved by arranging the connecting spring. Therefore, the plurality of clamping plates can be ensured to abut against the workpiece, the clamping stability of the special-shaped workpiece is improved, and the practicability of the special-shaped workpiece clamping device is also improved.

The utility model discloses an adjustable manipulator clamping structure which comprises a clamping frame, two sets of clamping blocks are symmetrically arranged on the clamping frame, synchronous opposite driving assemblies are arranged in cooperation with the two sets of clamping blocks, vacuum suction cups are embedded in the surfaces of the clamping blocks, vacuumizing assemblies are arranged in cooperation with the vacuum suction cups, a first connecting frame is arranged above the clamping frame, and a second connecting frame is arranged above the first connecting frame. A first motor is arranged on the first connecting frame, the output end of the first motor is connected with the clamping frame, a second connecting frame is rotationally arranged on the first connecting frame, a second motor is arranged on the second connecting frame in transmission connection with the first connecting frame, a fixing seat is horizontally and movably arranged on the base, and a mounting seat is rotationally and adjustably arranged on the fixing seat. According to the clamping mechanism, the clamping stability of a machined part can be improved, the moving flexibility is good, and the clamping mechanism is flexible, convenient and fast to use.

The invention discloses an internal grinding device for ceramic production, and relates to the technical field of ceramic production, the internal grinding device comprises a grinding mechanism and a lifting sliding rod mounted on the outer side of the grinding mechanism, a dust falling mechanism is arranged at the bottom of the grinding mechanism, spraying devices are symmetrically arranged on the two sides of the dust falling mechanism, and the grinding mechanism comprises an adjusting sleeve; adjusting racks are symmetrically installed on the two sides of the interior of the adjusting sleeve, a fixed base is fixedly installed at the bottom of the adjusting sleeve, a locking ring is slidably connected to the interior of the adjusting sleeve, a rotating gear is rotatably connected to the interior of the locking ring, and an unlocking rotating rod is fixedly connected to the front face of the rotating gear. Lifting movement of a locking ring and an adjusting sliding rod in an adjusting sleeve is achieved through an unlocking rotary knob, meanwhile, the distance between two grinding motors and a grinding disc is changed, the angles of the grinding motors on the two sides are adjusted through an adjusting support and locking bolts, and the ceramic container grinding device can adapt to ceramic containers with different diameters and radians.

The utility model relates to break the technical field of device, especially pipeline replacement old pipe break device. Its technical scheme includes two support rings, and a plurality of support rods are fixedly arranged between the support rings, and the outer wall of support rod is fixedly connected with sliding assembly for guiding support ring respectively, the fixed sleeve block of fixed sleeve is connected to the outer wall of support rod, and the fixed sleeve block is provided with the stirring assembly for breaking the pipeline between. The utility model can first polish the old pipe pretreatment, and then complete the breakage through the pressure effect, so that the old pipe breakage degree is more controllable, avoids the breakage not thoroughly due to uneven intensity distribution, reduces the hindrance of residual pipe body fragment to subsequent new pipe laying.

The utility model provides a kind of electric suspension crane convenient to stable operation, it is related to suspension crane field, including hoisting unit, including support crossbeam, the surface of the movable connection of support crossbeam electric hoist body, and the hook body connected below the electric hoist body by wire rope;The utility model support crossbeam, electric hoist body and hook body constitute hoisting equipment, for carrying out hoisting operation to article, mounting block and mounting plate can be detachably connected, can be added or disassembled positioning unit according to use scene, telescopic assembly is composed of multiple hollow columns of sleeve connection, can realize the telescopic adjustment of crane in vertical direction, adapt to the positioning needs of different height, fixed component is used to connect with the wire rope of hoisting equipment, and cooperate telescopic assembly and connecting plate to position wire rope, prevent the situation that article appears to sway in hoisting process, to improve safety and stability in hoisting process.

The utility model relates to a folding crossbeam structure of telescopic heavy goods shelf, including crossbeam main part, the number of main part is set to two, two main part are connected through the pivot rotation, are locked through the connecting portion, the connecting portion includes, the connecting sleeve is set up with the corresponding main part fixed connection with its corresponding main part, the connecting pipe is set up in the connecting sleeve, and the connecting pipe is screw assembled with the connecting sleeve, the utility model discloses based on the fixing of connecting sleeve, connecting pipe and the spacing of spacing groove and spacing rod, promote the stress intensity of crossbeam main part, and the convenient use process, set up the telescopic block, telescopic column and the mounting lug, realize the telescopic adjustment of main part, to be suitable for different heavy goods shelf assembly environment, and set up the pivot and mounting lug, can realize the folding of main part, and the convenient storage, transportation and assembly.

The present invention provides a positioning device for combined steel structure connection, which relates to the technical field of positioning devices and includes a base. On the one hand, when the first motor rotates, it can drive the first threaded rod to rotate. At this time, the first connection block and the mounting seat can be adjusted by driving the first threaded rod; on the other hand, when the first threaded rod is damaged, the locking screw of the first connection block is loosened, and then the locking screw of the second connection block is tightened. At this time, the electric telescopic rod can be controlled to extend and retract. When the electric telescopic rod is extended and retracted, it can drive the mounting seat to adjust, and the telescopic adjustment can be achieved. After the adjustment part is damaged, emergency adjustment can be performed, which solves the problem that the current positioning device can be adjusted, but when its adjustment part, such as the screw or the electric cylinder, is damaged, it will not be able to be adjusted, which delays the positioning efficiency. If on-site maintenance is performed, it will take a lot of time, and emergency adjustment cannot be achieved through structural improvements to avoid the problem of efficiency delay caused by maintenance.

The telescopic connecting rod for the bicycle comprises a clamping ring assembly, the clamping ring assembly and a bicycle rod are fixedly installed, the top of the clamping ring assembly is fixedly connected with a guide screw rod, the top of the guide screw rod is rotationally connected with a rotating round piece, the peripheral face of the rotating round piece is sleeved with a rod body guide pipe in a sliding mode, and the rod body guide pipe is connected with the clamping ring assembly in a sliding mode. The bottom of the rod body guide pipe is connected with the guide screw in a penetrating and threaded mode, and the peripheral face of the guide screw is sleeved with a lock washer located below the rod body guide pipe. By arranging the rod body guide pipe and the guide screw, the length, exposed out of the rod body guide pipe, of the guide screw is changed by rotating the rod body guide pipe, telescopic adjustment of the length of the connecting rod is achieved, when the connecting rod is adjusted to a proper position, the hand nut is tightened, the rod body guide pipe is pressed through the lock washer, and the length position of the connecting rod is firmly fixed; the compression spring arranged in the rod body guide pipe plays a role in damping and adjusting the connecting rod.

The utility model relates to the technical field of pin shafts, in particular to a combined telescopic pin shaft structure which comprises a pin shaft body, one end of the pin shaft body is connected with a rotating handle in a rotating mode, a screw rod is connected to the other end of the pin shaft body in an inserted mode, the screw rod is fixed to the surface of the rotating handle, and a screw sleeve is connected to a rod body of the screw rod in a sleeved and threaded mode. The screw sleeve is fixed to the surface of the extension handle, a preformed hole is formed in the surface of the extension handle, and a traction strip is inserted into the end, facing the pin shaft body, of the extension handle and fixed to the surface of the pin shaft body; the combined telescopic pin shaft structure has the beneficial effects that the screw sleeve can be driven to move on the screw rod by screwing the rotating handle, so that the telescopic adjustment of the length of the pin shaft is realized, the pin shaft can adapt to the connection requirements of different intervals through the design, and the use flexibility and adaptability of the pin shaft are improved; when the length of the pin shaft is adjusted, only the rotating handle needs to be screwed, special tools are not needed, operation is easy and convenient, and working efficiency is improved.

The utility model provides a compact multifunctional vehicle-mounted digital X-ray machine, belongs to the technical field of medical instruments, and aims to solve the problems that the space in an existing vehicle is small, and the occupied space is large due to fixation of a rack. Comprising an irradiation fixing sliding rail, an irradiation fixing frame, an irradiation adjusting frame, a ray machine head, a high-pressure generator, an irradiation bed body, a detection supporting frame, a flat panel detector, an irradiation adjusting mechanism and a supporting protection mechanism. The irradiation fixing frame is arranged above the irradiation fixing slide rail; the irradiation adjusting frame is connected to the upper portion of the interior of the irradiation fixing frame in a sliding mode. The high-voltage generator is placed on the left side of the irradiation fixed sliding rail; the detection support frame is arranged in front of the irradiation bed body; the flat panel detector is arranged above the detection support frame; the irradiation adjusting mechanism is arranged above the irradiation fixing slide rail; the supporting and protecting mechanism is arranged above the irradiation bed body, telescopic adjustment of the ray machine head rack is achieved, and the occupied space of the X-ray machine is reduced.

The utility model relates to roof anchor torque test tool technical field especially roof anchor torque force test special tool, including support pole, the anchor rod agitator of support pole upper end setting, the upper sleeve of support pole upper end outer wall fixed cover, still including upper sleeve and lower sleeve, support pole lower end outer wall sliding cover lower sleeve, lower sleeve lower end fixed setting fixed nut, upper sleeve lower side end part and lower sleeve upper side end part all fixed settings fixed ring, lower sleeve outer wall sliding cover sliding ring, fixed setting guide column between sliding ring and upper fixed ring, lower fixed ring inside setting locking mechanism, each group locking mechanism all is provided with locking rod, each group guide column inner wall all are through and are opened multiple groups locking hole, locking rod is inlayed setting in locking hole inside, the utility model roof anchor torque force test special tool passes through the collaborative design of guide mechanism and locking mechanism, realizes the telescopic adjustment and reliable locking of support pole, can adapt to the test demand of different height roadway roof anchor.

The utility model provides a dust removal device for building construction, which comprises a base, a lifting cylinder adjustably mounted on the base, and extension pieces foldably mounted on the two sides of the upper end of the lifting cylinder, guide rods are respectively arranged on the two sides of the base, and lifting plates are respectively arranged at the upper ends of the guide rods on the two sides of the base, so that the dust removal device can be conveniently carried and moved by personnel. The base is provided with a lifting cylinder which is arranged in a lifting manner, the two sides of the top of the lifting cylinder are respectively provided with a stretching piece which can be unfolded and is adjustable in length, and spraying seats are distributed on the stretching pieces, so that atomization nozzles which are distributed on the spraying seats are used for spraying water mist to remove dust around. The device is convenient to fold and can be carried through the lifting plate after being folded, so that the device is conveniently moved to different places, and frequent replacement in a construction site is facilitated.

This utility model discloses a puncture instrument, including a scope and a puncture needle. An electronic camera is sealed at the front end of the scope, and a handle is connected to the rear end of the scope. The handle has a handle connector at its front end. The puncture needle has a puncture needle channel for insertion into the scope, and a puncture needle connector at its rear end that can be screwed onto the handle connector. The front end of the puncture needle has a pointed end for the electronic camera to extend from. When used in combination with the scope, the electronic camera can capture images of the blood vessel distribution at the puncture site, allowing for flexible adjustment of the puncture position to avoid blood vessels and ensure safe puncture. Simultaneously, the puncture needle connector is a cap-type telescopic structure. Rotating the connector allows the puncture needle to move back and forth relative to the scope, enabling telescopic adjustment. Especially after the puncture needle is in place, it allows for retraction of the puncture needle relative to the scope, while the scope remains in its original position, thus preventing the risk of secondary injury due to improper operation and continued insertion of the puncture needle.

The project lamp comprises a base, two supporting frames symmetrically arranged on the base and a lamp frame installed between the two supporting frames, an LED lamp panel is installed in the lamp frame, a lampshade is fixed to one side of the lamp frame, and a heat dissipation piece is arranged on the side, opposite to the lampshade, of the lamp frame. Each supporting frame comprises a lower supporting plate fixed to the top of the base and an upper supporting plate connected to the side wall of the lamp frame, and the bottom end of each upper supporting plate is connected with an extending plate. Through the arrangement of the lower supporting plate, the upper supporting plate and the extension plate, the telescopic adjustment of the supporting frame can be realized, so that the height adjustment of the projection lamp can be realized, the projection lamp can be suitable for different projection heights, the use requirements of different scenes can be met by the projection lamp, the flexibility of the projection lamp is greatly improved, and the practicability of the projection lamp is improved. And the use of the projection lamp under different requirements is facilitated.

The utility model discloses a kind of denitration treatment feeding devices, including feeding hopper, further include two-stage discharge port assembly being arranged at the bottom end of feeding hopper, including fixed discharge cylinder seat being fixed on the surface of the bottom end of feeding hopper and with the inside of feeding hopper intercommunication, movable discharge pipe being slidably sleeved on the surface of fixed discharge cylinder seat, adjusting structure being arranged between movable discharge pipe and fixed discharge cylinder seat;The denitration treatment feeding device of the application, by being designed as two-stage to discharge port, and bottom end movable part can move up and down, the overall length telescopic adjustment of discharge port is realized, this kind of innovative design makes feeding device can be according to actual different feeding demand, flexibly adjust discharge port length, ensure that denitrification agent can be put in at best position, effectively improve the mixing effect and reaction efficiency of denitrification agent, and then improve the overall effect of denitration treatment.

The utility model relates to a pneumoperitoneum exhaust needle which comprises a cylinder body and a pricking needle, the head of the cylinder body is provided with a connector, a limiting ring is fixed in the connector, a through notch is formed in the middle of the limiting ring, an adjusting cap is rotationally installed on the cylinder body, a threaded hole which is through inside and outside is formed in the middle of the adjusting cap, and the pricking needle penetrates through the threaded hole and the notch and extends to the outside. The pricking needle is provided with an external thread, the external thread is matched with the thread of the threaded hole, the pricking needle is fixedly sleeved with a limiting block, the limiting block is limited in the notch, and the outer wall of the limiting block is tightly attached to the inner wall of the notch in a sliding mode. By screwing the adjusting cap, under the threaded connection action of the external thread and the threaded hole, the external thread and the limiting block can be driven to perform sliding adjustment along the notch, and by screwing the adjusting cap forwards and reversely, the telescopic adjustment of the pricking needle can be realized, so that the extension length of the pricking needle can be adjusted, and patients with different body types can use the pricking needle conveniently; and the condition that viscera are punctured is avoided, and the universality is high.

The utility model relates to the technical field of assembling fixture, disclose a kind of aluminium formwork assembling fixture of adjustable size, including several aluminium formworks, the side of several aluminium formworks is provided with fixture main body, further include the reinforcing fixed component for reinforcing the fixation of the fixture main body, the reinforcing fixed component is set at the outside of the fixture main body, through square sleeve pipe driving L-shaped plate to stick aluminium formwork joint angle, utilize the bidirectional contact surface of L-shaped plate to realize multiple point coverage, again through bolt passing through L-shaped plate fixed hole and aluminium formwork connecting hole are fastened, while the reinforcing rib between square sleeve pipe and L-shaped plate improves structure rigidity, make aluminium formwork joint place stress uniform, effectively resist external disturbance and concrete lateral pressure, when vibrating rod vibration, formwork handling collision, fixture cannot easily loosen, avoid formwork stripping or slurry leakage, guarantee concrete forming quality, solve the problem of insufficient existing fixture fixed strength.

The utility model relates to the technical fields of heat supply refrigeration device, especially a high -efficient cooling tower workshop heat supply refrigeration device, including the device body, the device body contains cold and hot air conditioner, adjusting assembly and filter component, the cold and hot air conditioner front end is provided with the air inlet and one side is provided with the connecting pipe, adjusting assembly is installed in the connecting pipe lower extreme, adjusting assembly lower extreme is provided with the air outlet pipe, the air outlet pipe side surface is provided with the plug -in slot, filter component is installed in the plug -in slot, the air outlet pipe bottom is connected with the air outlet cover and the air outlet cover side surface is provided with four sets of air outlet, enough realizes the telescopic adjustment of air outlet cover, and the height position of air outlet cover and air outlet is changed, and it is convenient to adapt to different use environment and demand, can realize the effective filtration treatment to the gas in the workshop, prevent dust particulate matter from entering the workshop, prevent mosquito from entering the equipment from the air outlet, and the filter core is convenient and fast to detach and clean.

The present invention relates to the technical field of foundation detection devices, specifically a foundation detection device for highway construction, comprising a sleeve, a shell fixedly mounted on the top of the sleeve, and a detection probe arranged on the bottom side of the sleeve for foundation detection, wherein a support structure is arranged outside the sleeve; a driving mechanism for driving the detection probe is arranged on the sleeve, a watering mechanism extending to the outside of the sleeve for detection with the detection probe is arranged on the shell, and a synchronization structure is arranged between the driving mechanism and the watering mechanism; the driving mechanism comprises a rotating shaft rotatably arranged in the sleeve, a crank fixedly mounted on one end of the rotating shaft, and a connecting rod welded to the outside of the crank. The present invention can accurately control the environment and improve the stability of the soil state by installing a watering device outside the detection device and using it in conjunction with the detection device, so that the detection device is widely applicable to various scenarios and realizes the detection of the bearing capacity of the roadbed under simulated specific humidity conditions.

The invention provides an in-mold automatic labeling device which comprises a labeling assembly, and the labeling assembly comprises a supporting frame, a conveying belt, two transmission rollers, a driving motor, a labeling jig, a connecting base, a material taking plate, two mounting bases, a material taking assembly, four sliding grooves, four guide rods and a pushing air cylinder. The conveying belt is installed on the outer side walls of the two transmission rollers. The material taking assembly is used for taking out a product on a male mold, the labeling jig is used for labeling in a mold cavity, by arranging the structures such as the pushing air cylinder, the guide rod and the material taking plate, telescopic adjustment of the material taking assembly can be achieved, the material taking assembly can stretch out and draw back in the material taking process, and then the size of the labeling assembly can be reduced; the labeling jig and the material taking assembly work independently, compared with the prior art, through the movable design, the occupied space is small in the working process, the working space is increased, and the operation difficulty of labeling and product taking out is reduced.

The utility model relates to the technical field of agricultural irrigation, and discloses a water-saving irrigation spray pipe which comprises a fixed supporting structure fixed on a planting land and a branch pipe connected with an external main water pipe, and the fixed supporting structure comprises a first fixed plate and a second fixed plate which are spliced with each other. The first fixing plate and the second fixing plate are each provided with a detachable connecting pipe, one side of each connecting pipe is connected with an atomizing nozzle, and a conveying hose is connected between every two adjacent connecting pipes. A seedling supporting mechanism is further arranged on the fixed supporting structure, and the seedling supporting mechanism comprises mounting plates which are symmetrically arranged on the first fixed plate and the second fixed plate; through the arrangement of the seedling supporting mechanism, vegetable seedlings can be limited and centralized, and the wind resistance of the vegetable seedlings can be improved, so that the survival rate of vegetables is greatly improved, the planting of vegetables such as Guangdong flowering cabbages and Shanghai green is facilitated, and the high and stable yield of vegetable planting is realized.

The utility model belongs to the field of supporting structures, and particularly relates to a photovoltaic panel lightweight supporting structure, which aims to solve the problem that the installation positions and the installation angles of existing photovoltaic panels need to be adjusted specifically according to the environment, so that a traditional support needs to be cut or installed according to the actual situation or different lengths are selected for installation. In order to solve the problem that the practicability in the actual environment is reduced due to the fact that the angle between a support and a photovoltaic panel is difficult to adjust, the utility model provides the following scheme that the photovoltaic panel support comprises the support used for supporting the photovoltaic panel, the support comprises an H-shaped frame and a U-shaped frame, and the two ends of the U-shaped frame are slidably arranged in the two sides of the H-shaped frame respectively; the connecting piece is used for installing the photovoltaic panel, the connecting piece is arranged above the U-shaped frame, the angle of the connecting piece used for installing the photovoltaic panel is adjusted through the connecting assembly, and through cooperation with the adjusting assembly, the photovoltaic panel can be installed at different heights and angles, and the actual practicability is improved.

This utility model relates to the field of water conservancy protection technology, specifically to a retractable water conservancy guardrail, which includes an upper guardrail and a lower guardrail. Several central support rails are fixedly connected between the upper and lower guardrails. A telescopic variable-pitch assembly includes two lower telescopic frames slidably connected to the inner wall of the lower guardrail, and two upper telescopic frames slidably connected to the inner wall of the upper guardrail. Lateral support rails are fixedly connected between the upper and lower telescopic frames on the same side. A telescopic drive component is fixedly connected to the inner wall of the lower guardrail. This utility model allows for the adjustment of the overall width of the guardrail, enabling adjustments to the overall protective width, improving the applicability of the water conservancy guardrail, meeting diverse protection needs, and adjusting the protective density of the guardrail, further enhancing its applicability.

The invention relates to the technical field of medical auxiliary equipment, in particular to a telescopic bending guardrail for an operating bed, which comprises a bed body and a group of fence supports, the middle of the bed body can be transversely folded, the fence supports are respectively arranged on two vertical sides of the bed body, and a main support frame and an auxiliary support frame are slidably arranged in a gap between each fence support frame and the bed body. Length adjusting assemblies are arranged at the bottoms of the main supporting frame and the auxiliary supporting frame, turnover rotating assemblies are arranged at the tops of the main supporting frame and the auxiliary supporting frame, and the main supporting frame and the fence support are fixed through buckle assemblies. The height adjusting assembly is arranged between the folding rotating assembly and the main supporting frame and between the folding rotating assembly and the auxiliary supporting frame, and the height adjusting assembly and the main supporting frame are fixed through a limiting assembly. Through mutual cooperation of the length adjusting assembly, the height adjusting assembly and the overturning rotating assembly, the technical effect of adjusting the length, the height and the angle of the guardrail according to needs is achieved, and the application range of the guardrail is wider. The technical problem that only single adjustment can be achieved in the prior art is solved.

The invention relates to the technical field of floriculture carving devices, and discloses a floriculture nicking tool device with an embedded fresh flower gum storage bin, which comprises a handle and a tool bar connected to one end of the handle, a nicking tool is detachably mounted at one end, far away from the handle, of the tool bar, and the fresh flower gum storage bin is arranged in the handle. The handle is also provided with a gluing mechanism for extruding fresh flower gum in the fresh flower gum storage bin, a power supply part for supplying power to the gluing mechanism and a touch screen for controlling the gluing mechanism to work; according to the graver device, the fresh flower gum storage bin and the gluing mechanism are arranged on the handle, fresh flower gum can be stored and extruded out, flower materials can be conveniently bonded through the fresh flower gum, permutation and combination of the flower materials are achieved, and floriculture design is completed, so that the graver device further has the gluing function, carving and gluing can be synchronously operated, and the graver device is convenient to use. The operation steps of floriculture design are greatly simplified, and efficient floriculture design is facilitated.

A fast supporting leg pipe comprises a leg pipe body and supporting legs connected to the two ends of the leg pipe body, and connectors are installed at the tops of the supporting legs. The foot tube body comprises a first foot tube and a second foot tube which can slide relatively, a wrench used for controlling the relative sliding position of the first foot tube and the second foot tube is hinged to the first foot tube, and a linkage rod hinged to the second foot tube is hinged to the middle of the wrench. The foot tube main body realizes self-locking through a wrench or a locking structure for locking the sliding positions of the first foot tube and the second foot tube is formed on the wrench; compared with the prior art, by arranging the spanner and the linkage rod which are hinged to each other, in the spanner rotating process, the angle between the spanner and the linkage rod is changed, so that relative movement of the spanner and the end of the linkage rod is achieved, telescopic adjustment of the first foot pipe and the second foot pipe is achieved, rapid installation of the rapid supporting foot pipe is completed, and time and labor are saved.

The invention provides a hair drier, and relates to the related technical field of hair treatment equipment. The blower comprises a shell, the shell is of a cylindrical structure, a mounting opening is formed in the first end of the shell, a fan air outlet is formed in the second end of the shell, and a positioning mounting cylinder matched with the inner circumferential wall of the shell to form an annular mounting gap is arranged in the second end of the shell; the inner shell is of a cylindrical structure, the first end of the inner shell is nested in the outer shell in a sliding mode through the mounting opening, and a fan air inlet is formed in the second end of the inner shell; the heating assembly is arranged on the positioning mounting cylinder in a sleeving manner; the air supply assembly is arranged in the inner shell and used for conveying air to the fan air outlet through the fan air inlet. And in the relative sliding process of the inner shell and the outer shell, the air supply assembly can synchronously move along with the inner shell so as to stretch into or retreat from the positioning mounting barrel. By optimizing the shell and the internal structure of the hair dryer, compared with a portable hair dryer in the market, the portable hair dryer is smaller in size and convenient to carry by a user.

The invention discloses a wrench device for adjustable jacking of a scaffold. The wrench device comprises a handle, an arc-shaped annular plate fixedly connected with the handle, a first steel column, a second steel column and a third steel column, wherein the first steel column, the second steel column and the third steel column are arranged on the arc-shaped annular plate; the arc-shaped annular plate is provided with an opening part, the arc length of the arc-shaped annular plate is a major arc, and the two ends, close to the opening part, of the arc-shaped annular plate are inverted arcs. The first steel column is located at one end of the opening part of the arc-shaped annular plate, the third steel column is located at the other end of the opening part of the arc-shaped annular plate, and the first steel column and the third steel column are symmetrically arranged about the circle center of the arc-shaped annular plate; the second steel column is arranged close to the first steel column, the gap is adjustable, and a gap is formed between the first steel column and the second steel column. The device is simple in structure, solves the adjusting problem of the adjusting nut, improves the nut adjusting precision, ensures that jacking adjustment meets the construction requirement, can be recycled and is convenient to accommodate.

The utility model discloses a wear-resistant anti-skid ceramic tile which comprises a ceramic tile body. The anti-skid assembly comprises an anti-skid groove and a bulge; a plurality of anti-skid grooves are formed in the top end of the ceramic tile body, the anti-skid grooves are arranged at equal intervals, a plurality of protrusions are fixedly installed at the top of the ceramic tile body, and the protrusions are arranged at equal intervals; the anti-skid groove transversely penetrates through the ceramic tile body, and the shape of the anti-skid groove is an open triangle; the overall shape of the protrusion is circular. The utility model relates to a ceramic tile, in particular to a ceramic tile, and aims to solve the problems that most existing ceramic tiles achieve the anti-skid effect by forming anti-skid grains on the tops, but the anti-skid effect is poor in the actual use process, particularly people are easy to fall down under the condition that water exists on the surface of a product, and the existing ceramic tiles are easy to tilt and slide after being used for a long time.

The utility model relates to high altitude operation safety device technical field especially relates to a kind of quick-mounting anti-unhooking safety rope connecting device for high altitude operation, including outer pole, inner pole and connecting rope, the inner pole sliding sleeve is connected in outer pole inside, the outer pole bottom end is equipped with the lifting ring for fixing safety rope;The inner pole top end is fixedly connected with fixed plate, and the fixed plate is equipped with hook assembly, and the hook assembly includes fixed part and rotating part, wherein fixed part top rotary connection has pulley, rotating part bottom end is rotatably connected with fixed plate, and there is connecting block in extension. Connecting rope one end is fixed in connecting block, other end is sequentially wound over pulley, passes through the positioning block on outer pole and extends to outer pole outside, and the opening and closing of hook assembly can be controlled by pulling connecting rope. The outer pole bottom end can also rotatably connect reel and knob for winding and unwinding connecting rope. Realize the quick-mounting of safety rope and anti-unhooking, convenient operation, significantly improve the efficiency and safety of high altitude operation.