34results about How to "Avoid fixed connections" patented technology

The invention discloses a stone vibrating screen device with a good screening effect and a using method thereof. The device comprises a vibrating screen body, wherein a connecting pipe is fixed to theside surface of the vibrating screen body, a buffer spring is fixed to the lower end of the connecting pipe, supporting legs are arranged at the lower end of the buffer spring, a supporting block isfixedly welded to the inner surface of the vibrating screen body, a second vibrating spring is fixed to the supporting block, a connecting block is arranged on the second vibrating spring, a first vibrating spring is fixed to one side wall of the connecting block, and the surface of the other side of the first vibrating spring is fixedly connected with the vibrating screen body. By arranging the second vibrating spring, the first vibrating spring, a guide convex block, a third vibrating spring and the connecting block, the situation that a screen plate is fixedly connected with the supportingblock, so that the movement amplitude of the screen plate is small, and the stone movement effect is poor is conveniently avoided, and by arranging a connecting plate, a clamping block and an edge block, a mounting screw rod can be conveniently prevented from rotating and loosening, and the rotation looseness of the mounting screw rod is conveniently limited.

The invention discloses a washing tub and a washing machine. The washing tub comprises an outer tub and a washing tub capable of being inserted into the outer tub. The outer tub comprises an outer tub body, a balancing ring assembly fixed at the top end of the outer tub body and a return spring with a spring cover. The washing tub comprises a washing tub body, a stirrer, a tub cover and a movable lifting handle. A lug boss on the inner wall of the outer tub body can be matched with a groove on the outer wall of the washing tub body, bulges distributed on the inner side bottom surface of the outer tub body can be matched with a slot on the bottom of the washing tub body, so that the stability and reliability of a connection rotating process of the insertion-type washing tub can be ensured, the transmission noise is decreased, the strength and durability of a transmission structure are improved, the insertion process of the washing tub is simplified, and the assembling and disassembling are facilitated. The relatively indepent washing environment avoids the cross infection of bacteria in the washing process, the washing safety is ensured, and the improved washing tub is particularly suitable for being installed and used on a public washing machine.

The invention provides a battery pack structure and an electric vehicle, and relates to the technical field of a battery structure of the electric vehicle. The battery pack structure comprises a negative electrode aluminum row, a lower supporting frame, a cell, an upper supporting frame and a positive electrode aluminum row, wherein the negative electrode aluminum row is fixedly connected with the lower supporting frame; the lower supporting frame is fixedly connected with the upper supporting frame; the upper supporting frame is fixedly connected with the positive electrode aluminum row; and the cell is fixedly mounted between the lower supporting frame and the upper supporting frame. According to the scheme, the cell and the positive electrode aluminum row and the negative electrode aluminum row are in tight contact, so that small deformation and low cost are realized; and meanwhile, the assembling difficulty and detaching difficulty of the battery pack are lowered, and relatively low vibration resistance and relatively low contact resistance are realized.

To improve a structure for restricting a rising position of a rotor of an electric flow rate control valve having the rotor inside of a sealed case and a coil outside of the sealed case. This electric flow rate control valve 100 has the rotor 120 in the sealed case 110. The rotor 120 is fixed to a sleeve 122. The sleeve 122 is engaged with a fixed screw part, and the rotor 120 is vertically moved in accompany with the rotation. When the rotor 120 is raised to the limit, a stopper 152 mounted on the rotor 120 is brought into contact with a stop plate 200 mounted inside of the sealed case 110 to restrict the rotation.

The invention discloses a solder stripping liquid recycling device, which is characterized in that a precipitation inclined plate of a precipitation supporting assembly is arranged on one side of a precipitation tank, a taking-out supporting frame of a taking-out assembly is slidably connected with the precipitation tank, a taking-out supporting plate is slidably connected with the taking-out supporting frame, a protective cover is rotatably connected with a taking-out supporting rod, a first screw motor is installed on one side of the sedimentation tank through a sliding supporting base, supporting guide rails are arranged on the two sides of the sedimentation tank, an extension rod is arranged on the supporting guide rails in a sliding mode and driven by a second screw motor, a scraper is arranged on the extension rod, the second screw motor drives the extension rod and the scraper to collect sediments on a rocking plate, the sediments can enter the taking-out supporting plate, then a protective cover is rotated to protect the sediments, the first screw motor drives the taking-out supporting frame to move upwards, and the taking-out supporting plate slides to take out the sediments, so that the sediments are scraped more easily, the sediments on the rocking plate can be conveniently collected and taken out, and the working efficiency is improved.

The invention provides processing equipment for a high-performance self-cleaning epoxy resin coating. The processing equipment for the high-performance self-cleaning epoxy resin coating comprises a machine shell, wherein a dust collection box is connected to the upper end of the machine shell in a clamping mode; a rectangular plate is connected to the upper end of the dust collection box in a clamping mode; a dust suction fan is fixed to the upper end of the rectangular plate through bolts; a belt cover is fixed to the left end of the machine shell; a circular plate is fixed to the lower end of the belt cover; a dustproof cover is fixed to the lower end of the circular plate; and a dust suction pipe is fixed to the front end of the dustproof cover. According to the invention, a connectingpipe on the surface of a box body can be well connected with the dust suction pipe, and fixed connection is prevented from being carried out through threads in taking-out and installation processes for the dust collection box, so that taking-out and fixing speeds for the dust collection box can be greatly increased; and meanwhile, a rubber ring on the surface of the connecting pipe can be well connected with the dust suction pipe in a sealed mode, and the situation of air leakage at the connecting position is avoided, so that the internal pressure of the dust suction pipe is guaranteed, and abetter dust suction effect is achieved.

The invention discloses a protection device for power transformation equipment, and the device comprises a lower supporting seat, a protection structure, a steel wire rope, a motor, a pulley, an uppersupporting seat, a limiting groove, and supporting columns, and the four corners of the lower supporting seat are fixedly provided with the supporting columns. The upper supporting seat is fixed among the four supporting columns; motors are respectively arranged at four corners of the upper supporting seat; the output ends of the four motors are coaxially connected with pulleys; steel wire ropesare respectively wound on the four pulleys; one end, away from the pulleys, of the steel wire rope is connected with the protection structure; the protection structure comprises a base, and the base is fixed to the supporting frame. And a bottom plate is fixed on the base. The beneficial effects of the invention are that the protection device saves time and labor, facilitates the maintenance of power transformation equipment, and is convenient to use and operate.

The invention discloses a farm ventilation device convenient to disassemble and assemble, and belongs to the field of mechanical equipment. According to the technical scheme, the farm ventilation device is characterized by comprising a case, a mounting frame is fixedly mounted at the bottom of the inner wall of the case, a motor is fixedly mounted in the mounting frame, an output shaft of the motor is sleeved with a rotating shaft, and the outer wall of the rotating shaft is sleeved with a rotating mechanism; and hinge blocks are fixedly installed at the positions, located at the left side ofthe rotating mechanism, on the back face of the case and the positions, located at the right side of the rotating mechanism, on the front face of the case, a sterilization box is fixedly installed atthe position, located at the right side of the case, on the back faces of the hinge blocks, and a filter box is fixedly installed at the position, located at the left side of the case, on the front faces of the hinge blocks. According to the farm ventilation device convenient to disassemble and assemble, by pulling clamping blocks, the clamping blocks drive pressing springs to compress and rotateconnecting rods, the connecting rods drive the clamping blocks to be separated from clamping bases, and therefore the case, the sterilization box and the filter box are convenient to assemble and disassemble, and the effect of convenient disassembly, assembly and maintenance is achieved.

The invention relates to the technical field of poultry farms and discloses a ventilation device convenient to dismount, mount and maintain and used for a poultry farm. The ventilation device comprises a case, wherein a mounting rack is fixedly mounted at the bottom of the inner wall of the case, a motor is fixedly mounted in the mounting rack, an output shaft of the motor is sleeved with a rotaryshaft, the outer wall of the rotary shaft is sleeved with a rotating mechanism, hinging blocks are fixedly mounted on the back of the case and located on the left side of the rotating mechanism, mounted on the front side of the case and located on the right side of the rotating mechanism, a sterilizing box is fixedly mounted on the back of one hinging block and located on the right side of the case, and a filtering box is fixedly mounted on the front side of the other hinging block and located on the left side of the case. According to the ventilation device convenient to dismount, mount andmaintain and used for the poultry farm, a clamping block is pulled to drive a compression spring to compress and rotate a connecting rod, the connecting rod drives the clamping block to be separated from a clamping seat, so that the case, the sterilizing box and the filtering box are convenient to mount and dismount, and the effect of convenience in dismounting, mounting and maintenance is achieved.

The invention provides a safety belt buckle mounting structure, a seat and a vehicle, the safety belt buckle mounting structure comprises a seat bracket, a safety belt buckle bracket and a connecting piece, the seat bracket is used for mounting a child seat mounting piece, and a first connecting part is arranged on the seat bracket; a second connecting part is arranged on the safety belt buckle bracket corresponding to the first connecting part; the connecting piece is connected with the first connecting part and the second connecting part at the same time so that the seat support and the safety belt buckle support can be connected to the seat base. According to the safety belt buckle mounting structure, the situation that a plurality of connecting pieces are used for fixedly connecting the seat bracket and the safety belt buckle bracket is avoided, so that the purpose of reducing the use of the connecting pieces is achieved, the space and the cost of the rear seat are saved, and the arrangement of an oil filler cap and a safety belt buckle mounting position is optimized.

The invention discloses a stand column profile for clamping of an aluminum alloy flower box. The stand column profile is characterized in that the entire stand column profile is of a long strip shape,wherein the stand column profile is provided with a clamping main body, a left clamping body and a right clamping body, the left clamping body is located at the left side of the clamping main body, and the right clamping body is located at the right side of the clamping main body; an integrity is formed through connection of the clamping main body, the left clamping body and the right clamping body, the clamping main body is provided with a left outer side surface, a left inner side surface, an arc-shaped transition body, a right outer side surface and a right inner side surface, and the leftclamping body is of an n shape as a whole; the left clamping body is provided with an outer vertical surface, an inner vertical surface and a clamping surface, one end of the clamping surface is connected to one end of the outer vertical surface, and the other end of the clamping surface is connected to one end of the inner vertical surface; and an integrity is formed through connection of the outer vertical surface, the inner vertical surface and the clamping surface. The stand column profile has high overall strength, firm clamping and convenient assembly, high connection strength between the connecting members and the stand column is ensured, and good overall stability is achieved; and the stand column profile is suitable for batch promotion and application in the manufacture process of the flower box.

The invention discloses a nasal oxygen inhalation catheter connector capable of being connected with an anesthesia machine, and the connector comprises a connector main body, the bottom end of the connector main body is provided with an anesthetic gas pipeline connecting port, one end of the connector main body is connected with a filter, the anesthetic gas pipeline connecting port is connected with an anesthetic gas pipeline, the outer side end of the filter is provided with a nasal oxygen uptake catheter connecting end, and the outer side end of the nasal oxygen uptake catheter connecting end is provided with a nasal oxygen uptake catheter. The invention aims to provide a nasal oxygen inhalation pipeline which can be in butt joint with a threaded pipe on an anesthesia machine, so that nasal oxygen supply can be provided for a patient in the anesthesia process of the surgical patient, and cross infection caused by oxygen inhalation of the patient can be effectively avoided by using the oxygen and a filter in an oxygen inhalation passage; the utility model discloses a nasal oxygen inhalation catheter connector capable of avoiding cross infection.

The invention relates to a mounting assembly for mounting an optical member (30) to an elongated luminaire, the mounting assembly comprising a plurality of mounting members (10, 20) arranged to be fixed to a An end cap at the narrow side of and for accommodating an optical member (30), wherein the plurality of mounting members (10, 20) includes a first type of mounting member (10) and a second type of mounting member (20).

The invention relates to the technical field of air conditioners, and discloses a detachable and washable air conditioner indoor unit. The detachable and washable air conditioner indoor unit is hinged to an air duct shell through one ends of locking parts, and the other ends of the locking parts are movably connected with a base body. When the locking parts are connected with the base body, the locking parts can be used for limiting an air duct component from being detached from a first opening, so that the assembling stability between the air duct component and the base body is guaranteed; and meanwhile, the locking parts are movably connected with the base body, when the locking parts are separated from the base body, the air duct component and the base body can be unlocked so that the air duct component can be detached from the base body to be cleaned conveniently, and therefore the situation that the air duct shell and the base body are fixedly connected through connecting parts such as screws can be avoided, detaching operation is easy and convenient, connecting stability can still be kept after repeated detaching, and the risks of misloading, neglected loading and the like of the connecting parts can be effectively avoided.

A truck bed hopper of a mining dump truck that is capable of elastic deformation when it is subject to the loading or unloading of material, built preferably of structural or of wear and tear steel, where the general structure of the bed hopper is curved. By this construction, the great moments of inertia which are achieved with curved surfaces eliminate or reduce to a great extent the use of beams as main resistive elements. The present bed hopper has a protective blinder which is preferably cylindrical in shape and a frontal wall and floor which are preferably elliptical in shape. The bottom of the bed hopper externally has a plurality of transversal beams, preferably 4 to 6 in number, even more preferably 5 in number which have a main function of keeping the bottom surface curved and transferring the strengths of the envelopment to the truck's body. Further, the bottom externally also has a plurality of support elements, preferably two in number, that are located at the front part, i.e., ahead of the rotation axis of the hopper. The support elements only permit the support of the bed hopper on the truck's body and may be eliminated if the truck's body adapts itself to directly take in the transversal beams.

A CFG (cement flyash gravel) pile composite foundation structure is intended to effectively reduce manufacture cost of a composite foundation, improve construction efficiency and solve the technical difficulties in traditional CFG pile cap construction. The CFG pile composite foundation structure comprises CFG piles arranged in a foundation at intervals in crisscross manner, as well as a prefabricated frame lattice beam buried below the foundation surface; the prefabricated frame lattice beam is composed of transverse beams arranged at intervals in longitudinal direction and longitudinal beamsarranged at intervals in transverse direction; the junctions of the transverse and longitudinal beams are integrally connected to form joints; pile bodies of the CFG piles are positioned below the joints respectively; the CFG piles are connected with the prefabricated frame lattice beam via connection structures and connection members at the tops of the piles.

The invention discloses a mobile intelligent payment terminal device. The invention relates to the technical field of mobile intelligent payment. Most of existing intelligent payment terminal devicesare handheld and movable. The cashier holds the terminal by hand to scan and settle the bank card, the payment two-dimensional code and the like of the customer; in order to solve the problems that ahandheld movable intelligent payment terminal device is not easy to be fixedly connected with a matched base, and the connection angle is not easy to adjust, so that the payment terminal device is noteasy to be placed and used at a fixed point, the following scheme is provided: the payment terminal device comprises a fixed box and a payment device main body, and the payment device main body is rotatably connected to the inside of the fixed box. Through the design of the fixing box, the payment equipment main body can be conveniently moved and used. Meanwhile, the payment equipment main body can be fixedly placed and used, the idle payment equipment main body can be conveniently stored and placed, and through the design of the dustproof cover plate, the idle payment equipment main body canbe conveniently subjected to dustproof protection.

The invention relates to an assembly type steel structure assembly process. Assembly type steel structure assembly equipment is used in the assembly type steel structure assembly process. The assembly type steel structure assembly equipment comprises an assembly bottom plate, locking devices and an angle adjusting device, wherein the locking devices are symmetrically mounted at the two ends of the assembly bottom plate; and the angle adjusting device is arranged between the two locking devices and mounted in the middle of the upper end face of the assembly bottom plate. The problems that most of steel column connecting joints of existing assembly type steel structure assembly equipment adopt a welding locking mode, consequently, corrosion is prone to occurring due to improper weld joint treatment, and the service life of a steel structure building is affected can be solved, and meanwhile the problems that the supporting angle of a beam cannot be adjusted through the existing assembly type steel structure assembly equipment, the supporting strength of the steel structure building is affected, and then the stability and shock resistance of the steel structure building are affected can be solved.