65results about How to "Less prone to wear and tear" patented technology

The invention discloses a magnetic refrigerating portable refrigerator and a refrigeration method. The magnetic refrigerating portable refrigerator belongs to the field of domestic electrical appliances and comprises a shell, a storage box arranged in the shell, a permanent magnet group, a magnetic working medium and the like, wherein the permanent magnet group is a tube-shaped body the centre of which is provided with a through hole; and the magnetic working medium is provided with multiple through holes and is closely sleeved in a magnetic working medium shell with a concave slideway. The function of the magnetic refrigeration portable refrigerator is realized by that the magnetic working medium is fixed, straight guide rails drive the permanent magnet to do a reciprocating straight motion relatively to the magnetic working medium, and the magnetic working medium realizes an excitation and demagnetizing process, so that the refrigeration of the refrigerator is realized; the relative movement method of the magnetic working medium and the permanent magnet is simple to operate, relatively stable in motion, and easy to control in the realizing manner; the structure of the magnetic working medium solves the problems that the filling materials is difficult to process and manufacture, and gaps among the filling materials are difficult to guarantee and the like; and a permanent magnet is simple in structure and convenient to process, so that the non-waste processing is realized, and the processing and manufacturing cost is greatly saved.

The invention relates to a bending device for an automobile component. The bending device comprises a base, a pressing device bending the component, and fixing blocks. The pressing device is arranged above the base. The base comprises a horizontal plane and a downwards-inclined plane. The downwards-inclined plane is arranged under the pressing device. The horizontal plane is arranged on one side of the downwards-inclined plane. The downwards-inclined plane is connected with the horizontal plane. A positioning groove is formed in the vertical coaxial line, opposite to the pressing device, of the lower inclined plane, a circular arc transition plane is arranged on the relatively low side of the positioning groove in the horizontal direction, and the two fixing blocks are fixedly arranged on the two sides of the positioning groove respectively and located on the two sides of the circular arc transition plane. Heating devices are embedded in the faces, close to the positioning groove, of the two fixing blocks. Compared with the prior art, the bending device is simple in structure, deflection bending can be reduced, the product yield and the product quality can be improved, and energy consumption can be reduced.

The invention relates to a novel thread rolling machine. The novel thread rolling machine solves the technical problem that oil of an existing thread rolling machine cannot be recovered or used. The novel thread rolling machine comprises a thread rolling machine body, a main machine sliding groove, a main sliding block, a movable thread rolling plate, a fixed thread rolling plate, a thread rolling gap, a first oil tank and a second oil tank. A first conveying and recovering device is arranged on the first oil tank, a second conveying and recovering device is arranged on the second oil tank, adjustable thread rolling machine guide rails are arranged on the thread rolling machine body, and a blank one-by-one feeding device is arranged between the adjustable thread rolling machine guide rails and the thread rolling gap. The novel thread rolling machine has the advantages that lubricating oil and cooling oil can be separated and recovered at the same time, the production cost is saved, the blanks can be fed one by one, the noise in the feeding process is low, parts are not prone to abrasion, the positions of the guide rails are convenient to adjust and can be adjusted vertically as needed, only a bolt needs to be rotated during adjustment, the guide rails are firmly installed, stability is good, and the synchronism of vertical adjustment of the left guide rail and the right guide rail is good.

The invention discloses a novel pure-metal seal joint structure which comprises a joint A and a joint B. A sealing base sleeve is connected to the inner wall of the joint A in a clamped mode. The novel pure-metal seal joint structure further comprises a fastening nut. Threads matched with the fastening nut are arranged on outer walls of the joint A and the joint B, a spherical surface corresponding to the sealing base sleeve is arranged at one end close to the sealing base sleeve, of the joint B, the joint A, all of the joint B and the sealing base sleeve are made of metal, and the hardness of the sealing base sleeve is smaller than that of the joint B. The joint A and the joint B are oppositely screwed through the fastening nut to enable the spherical surface arranged on the joint B to be pressed and arranged on the sealing base sleeve in the joint A, the spherical surface arranged on the joint B extrudes the sealing base sleeve through axial fastening force of the fastening nut, and accordingly the sealing base sleeve deforms elastically. Sealing is achieved through tight and reliable connection of the spherical surface and the sealing base sleeve, the structure is not easily abraded and does not age, and deformation influencing the sealing effect does not occur.

The invention relates to a novel thread rolling machine. The novel thread rolling machine solves the technical problem that oil of an existing thread rolling machine cannot be recovered or used. The novel thread rolling machine comprises a thread rolling machine body, a main machine sliding groove, a main sliding block, a movable thread rolling plate, a fixed thread rolling plate, a thread rolling gap, a first oil tank and a second oil tank. A first conveying and recovering device is arranged on the first oil tank, a second conveying and recovering device is arranged on the second oil tank, adjustable thread rolling machine guide rails are arranged on the thread rolling machine body, and a blank one-by-one feeding device is arranged between the adjustable thread rolling machine guide rails and the thread rolling gap. The novel thread rolling machine has the advantages that lubricating oil and cooling oil can be separated and recovered at the same time, the production cost is saved, the blanks can be fed one by one, the noise in the feeding process is low, parts are not prone to abrasion, the positions of the guide rails are convenient to adjust and can be adjusted vertically as needed, only a bolt needs to be rotated during adjustment, the guide rails are firmly installed, stability is good, and the synchronism of vertical adjustment of the left guide rail and the right guide rail is good.

The invention discloses a sliding guide mechanism for a bathroom. The sliding guide mechanism comprises a base and at least one mounting base mounted on a door, wherein an idler wheel is pivoted on the mounting base through a horizontal pivot shaft; a first limiting part is arranged on the base; a second limiting part is arranged on the idler wheel around the pivot shaft; one of the first limiting part and the second limiting part is arranged as a longitudinal limiting groove and the other is arranged as a longitudinal limiting bulge matched with the groove; the limiting bulge is longitudinally inserted into the limiting groove; two outer side walls of the limiting bulge are respectively clung to or close to the two inner side walls of the limiting groove. The sliding guide mechanism for the bathroom can effectively reduce the resistance ensured by the door in a sliding process, so that the sliding smoothness of the door is effectively increased and the door is difficult to be worn. The outer side walls of the limiting bulge are respectively clung to or close to the two inner side walls of the limiting groove, so that the lateral swinging of the door relative to the base can be effectively reduced.

The invention relates to a conveying device suitable for stable conveying of a cylinder block. The conveying device comprises a rack, wherein a conveying device for conveying the cylinder block is arranged on the rack in the length direction, a supporting plate used for supporting the cylinder block is arranged between the conveying device and the cylinder block, slide rails for guiding the supporting plate are symmetrically arranged in the rack, position control plates are arranged on two sides of the supporting plate in a penetrating manner, multiple pulleys inlaid in one side, away from thesupporting plate, of each position control plate, and a position control spring is connected between one side, away from the pulleys, of each position control plate and the supporting plate. The conveying device has effects as follows: the probability of mutual wearing between an engine cylinder block and a conveying roller in a transport process is low, and conveying stability of the engine cylinder block is improved.

The invention provides a spinning nylon wire guide device, and relates to the field of spinning. The spinning nylon wire guide device comprises a support plate; support legs are respectively arranged at four corners of the bottom of the support plate; the bottoms of the support legs are fixedly connected with the top of a base; a cylinder base is fixedly mounted in the center of the bottom of the support plate; and the bottom of the cylinder base is fixedly connected with the top of a hydraulic cylinder. The spinning nylon wire guide device transmits oil into the hydraulic cylinder through a first oil inlet and outlet pipe and returns the oil through a second oil inlet and outlet pipe; a piston drives a wire guide device body to stably descend under the effect of a vibration reducer; and through oil transmission of the second oil inlet and outlet pipe and oil return of the first oil inlet and outlet pipe, the piston drives a push rod to upwards move, so that the wire guide device body is stably ascended under the effect of the vibration reducer, the height of the wire guide device body can be changed as needed to achieve adjustment, the wire guide device is suitable for persons with various heights to perform the wire guide operation, and the practicability of the wire guide device is improved.

The invention discloses an air control stable starting valve. The air control stable starting valve comprises a valve body, a valve cover, a valve base, a first valve element module, a second valve element module and an adjusting valve module; a first cavity and a second cavity are formed between the valve body and the valve cover; a third cavity is formed between the valve body and the valve base; the first valve element module is arranged in the first cavity; the second valve element module is arranged in the second cavity; an air control base is arranged on the valve cover, and is provided with an air control port; the adjusting valve module includes a base formed on the valve base; a valve inlet communicated with the third cavity is formed in the side wall of the base; a valve outlet communicated with the second cavity is formed in the top of the base; an adjusting valve needle is arranged in the base; a conical head part is arranged at the top of the adjusting valve needle; and a vulcanized colloid is arranged at the external of the conical head part. The air control stable starting valve is simple and reasonable in structure, convenient for installation, lower in manufacturing cost, wider in application range, higher in action sensitivity, higher in sealing performance, longer in service life and stable and reliable in working performance.

The invention belongs to the technical field of lipstick tube pattern printing, and particularly discloses a lipstick tube pattern printing device with a drying function. The lipstick tube pattern printing device comprises a rack, wherein support columns are arranged at the bottom of the rack; conveying wheels are rotationally connected to two ends of the rack; a conveyor belt coats the conveying wheels; a plurality of clamping grooves are arranged in the outer side of the conveyor belt; positioning mechanisms for fixing lipstick tubes are arranged in the clamping grooves; the rack is sleeved with a housing, and the bottom end of the housing is fixedly connected to the sides of the support columns; a lifting cylinder is arranged at the top of the housing, and the piston end of the lifting cylinder is inserted into the housing and fixedly provided with a printing head used for printing the lipstick tubes; and a drying mechanism is arranged at the bottom of an inner cavity of the housing and at the right side of the printing head. According to the lipstick tube pattern printing device, the lipstick tube is clamped between two clamping plates under the action of elastic sheets, the stability of the lipstick tube can be improved, and the lipstick tube is not prone to moving in the printing process; and through the arrangement of the drying mechanism, the printing ink can be rapidly air-dried, and the printing ink is not prone to being scratched.

The invention provides a hydraulic cylinder sealing structure, which comprises a guide ring (3) and a guide part (2) disposed close to the end of a hydraulic cylinder. A groove (8) is formed on the inner wall of the guide part (2), the guide ring (3) is arranged in the groove (8), and the internal surface of the guide ring (3) is attached to a piston rod (1). The position of the guide ring is moved backwards from the middle of the hydraulic cylinder to the end of the hydraulic cylinder so that effective support length of the guide ring toward the piston rod is prolonged and the guide ring is led to be easier to demount, replace and install.

The invention relates to a needle roller installation structure of a needle roller bearing. It solves the technical problems such as the poor installation stability of the existing needle roller bearings and the like. It includes a needle roller cage body and a holding groove. There are at least two needle roller bodies in each holding groove. The body is cylindrical, and there is a non-circular through hole extending along the axial direction of the needle body in the needle body and having a cross-section with at least two protrusions, and several annular grooves are arranged on the circumferential outer side of the needle body , the annular grooves are distributed sequentially along the axial direction of the needle roller body and the annular grooves on two adjacent needle roller bodies are alternately arranged one by one. oil hole. The advantages are: more reasonable design, simple structure, good installation stability, less shaking, smooth needle rotation, less wear and tear, and good needle lubrication.

The invention discloses a ball cage cage, an automatic quick inspection system for the accuracy of the ball cage cage and a detection method thereof, and belongs to the technical field of ball cage cages. It is easy to detect whether the main body of the ball cage cage is qualified, including the controller, memory, voice prompter, pool filled with water, and a circular horizontal floating plate that can float on the water surface in the pool; fixed on the bottom surface of the pool Pull wire, the upper end of the pull wire is fixedly connected to the center of the lower surface of the circular horizontal floating plate; a circular tube is fixed vertically upward at the center of the circular horizontal floating plate, and a level detection sensor is fixedly installed in the circular tube; The tube center line of the tube is the center, and the annular area located outside the circular tube is the detection placement area, and several proximity sensors are evenly distributed on the upper surface of the circular horizontal floating plate in the detection placement area; each proximity sensor, horizontal detection The sensor, memory and voice prompter are respectively connected with the controller.

The method of discharge-induced explosion directly by powder material designed in the invention comprises: attaching powder material to metal explosion material; causing high density electric energy to discharge to the conductive metal explosion material in heavy impacting current mode by a charging capacitor to cause the metal explosion material together with the powder material to melt, explode,form mixed particle jet flow, and jet to a base to form coating. The obtained metal-base composite material coating is composed by metal and powder materials with bonding effect, instead of the conventional layered structure composed by different materials; has the advantages of compact, fine particles, low voidage, high bonding strength, and almost no delaminate wear appearing in the wearing process. The powder material on the metal explosion material is generally hard particles which increases the coating wear resistance; and the metal base body coated by the metal explosion material is relatively soft, can bear a certain degree of plastic deformation, and achieves a better 'soft base + hard phase' characteristic combined with hard particles.