45results about How to "Prevent radial offset" patented technology

The invention discloses a tapping device for punching a chassis. The tapping device comprises a horizontally arranged workbench, a pedestal which can linearly move to and fro and is arranged on the workbench for holding the chassis, and a punching assembly and a tapping assembly sequentially arranged along the moving direction of the pedestal, wherein the punching assembly can be used for simultaneously punching in the left side, right side and bottom surface of the chassis; the tapping assembly can be used for simultaneously tapping on the left side, right side and bottom surface of the chassis. According to the tapping device for punching the chassis, the machining efficiency of thread holes in the chassis is high.

The invention relates to a connection device for a plastic tube (1), comprising a connection nipple (2) that receives the plastic tube (1) and forms an outer cone (6) widening towards the free nipple end. An expansion ring (5) that can be slid over the outer cone (6) and comprises outwardly protruding retaining claws (7) is provided between the outer cone and an axial abutment (11), said expansion ring being supported on the axial abutment (11) of the connection nipple (2) by means of a supporting ring (9). Said device also comprises a sleeve (4) surrounding the plastic tube (1) that has been pushed onto the connection nipple (3) and gripping in a traction-resistant manner onto an abutment flange (3) of the connection nipple. In order to create advantageous assembly conditions, a rubber-elastic spring ring (8) is arranged between the expansion ring (5) and the supporting ring (9). The expansion ring (5), the supporting ring (10) and the spring ring (8) are interconnected in a shear-resistant manner.

The invention relates to the field of movement mechanism, in particular to an all-dimensional wheel and an all-dimensional mobile platform using the same. The all-dimensional wheel comprises a hub and an integral roller assembled on the hub through a roller shaft, two ends of the roller shaft protrude out of corresponding rollers, external threads are arranged on portions protruding out of the rollers, the hub comprises a left support rotation disc, a right support rotation disc and a shaft sleeve, the left support rotation disc and the right support rotation disc are relatively arranged, the shaft sleeve is coaxially connected between the left support rotation disc and the right support rotation disc, one end of the roller shaft is inserted in an installation hole arranged on the left support rotation disc and fixed through a nut, the right support rotation disc is close to the shaft sleeve and is detachably and fixedly connected with the shaft sleeve when the roller shaft is fixed on the left support rotation disc, an abdicating hole which abdicates for the roller shaft relative to movement of the right support rotation disc in a process that the right support rotation disc is close to the shaft sleeve from right to left is arranged on the right support rotation disc, one end of the roller shaft far away from the left support rotation disc is inserted in the corresponding abdicating hole and fixed through a nut, and a problem that the all-dimensional wheel is poor in strength and prone to lose efficiency is solved.

The invention relates to a bearing assembling tool, particularly to the bearing assembling tool for mounting a bearing in a shaft sleeve part. The bearing assembling tool comprises a mounting rack, guiding columns as well as a cutting board and a press board which are arranged in an upper-and-lower spaced manner; guiding positioning columns which are used for being matched with a shaft sleeve and the bearing in a centered manner are arranged on the upper side of the lower one of the cutting board and the press board. The guiding positioning columns which are used for being matched with the shaft sleeve and the bearing in the centered manner are arranged on the upper side of the lower one of the cutting board and the press board of the bearing assembling tool, so that during usage, the bearing and the shaft sleeve can be centered through the guiding positioning columns, the alignment of the bearing and the shaft sleeve is guaranteed on one hand, the radial deviation of the bearing or the shaft sleeve can be prevented on the other hand, and then the problem that the bearing is collapsed easily by an existing tool for mounting the bearing with an extrusion method is solved.

The invention discloses a housing drill, which comprises a working table, a base for the placement of a housing is arranged on the working table, a first drilling head module, a first motor for driving the first drilling head module to act and a first feeder for driving the first drilling head module to move are arranged on one side of the base, a positioning mechanism which is used for positioning the housing when the housing is placed on the base is arranged on the base, a holddown for pressing the housing on the base and a driver for driving the holddown to move up and down are arranged over the base, a second drilling head module, a second motor for driving the second drilling head module to act and a second feeder for driving the second drilling head module to move are arranged on the other side of the base, both the first drilling head module and the second drilling head module are multi-spindle drilling heads, and drill bits on the first drilling head module and the second drilling head module are correspondingly and coaxially arranged. The housing drill can effectively ensure the coaxiality between the mounting holes of both sides of the housing.

The invention discloses a full-automatic inclinometer and a using method thereof. The inclinometer comprises an inclinometer device and an inclinometry probe. The inclinometer device comprises a box body, a winding mechanism, a positioning mechanism, a monitoring module and a walking mechanism. A containing mechanism and a protective cover mechanism are arranged on the box body. The winding mechanism comprises a reel mechanism, a reel motor and a limiting mechanism. The reel mechanism comprises a reel and a reel disc. The positioning mechanism comprises a reel mechanism and a sliding mechanism. The method comprises the following steps of: 1, installing a top limiting mechanism at a detection hole; 2, arranging a signal cable in a penetrating manner; 3, collecting inclinometry data; and 4,processing inclinometry data. The device is reasonable in design and low in cost, ensures that the measurement probe accurately reaches a measurement position, facilitates repeated monitoring at a specified position, is small in positioning error of the measurement probe, and improves the measurement accuracy; and in addition, the signal cable can be guided, and the signal cable is prevented frombeing wound and piled.

The invention discloses a distal and proximal asymmetric balloon restraint stent. The distal and proximal asymmetric balloon restraint stent comprises a plurality of first axial restraint rods, a plurality of second axial restraint rods, a plurality of radial restraint rings, a balloon proximal connecting ring and a balloon distal connecting ring, wherein the first axial restraint rods and the second axial restraint rods are circumferentially arranged at intervals, n2 second axial restraint rods are arranged at an interval of n1 first axial restraint rods, and the numerical value of n1 is larger than that of n2; the radial restraint rings are axially arranged at intervals and are connected with the first axial restraint rods and the second axial restraint rods; the balloon proximal connecting ring is connected with the first axial restraint rods; and the balloon distal connecting ring is connected with the second axial restraint rods. The product provided by the invention is simple instructure, high in strength and excellent in pushing performance, smooth feeding and withdrawing are realized, circumferential or radial deviation of a balloon in the expanding process is effectivelyprevented, and the product is worthy of popularization and application in the field.

The invention discloses a forming die of an outdoor mutual inductor, and a casting fixing and sealing method of the outdoor mutual inductor. The forming die comprises an upper die and a lower die which are used for forming a die cavity, the upper die is provided with a casting hole connected with the die cavity and an air outlet, a die core is arranged in the die cavity, the upper end and the lower end of the die core are connected with the upper die and the lower die respectively, the upper end and the lower end of the die core are jointed into the upper groove of the upper die and the lower groove of the lower die respectively, and the part of the die core positioned in the die cavity is cylindrical in shape; and a group of fixed pillars for supporting mutual inductor coils is arranged in the die cavity surrounding the die core, the fixed pillars are fixedly connected with the lower die, and the upper end of each of the fixed pillars is provided with a stepped clamping platform for jointing the external edge and the lower edge of each of the mutual inductor coils. The forming die and the method improve the resin casting fixing and sealing efficiency of the outdoor mutual inductor, reduce the unit energy consumption and the defective index of the outdoor mutual inductor and improve the insulation degree of the outdoor mutual inductor.

The invention relates to a self-temperature-adjusting faucet, a control method of the self-temperature-adjusting faucet and a water supply system. The self-temperature-adjusting faucet comprises a faucet body, a flow valve, a water adjusting switch, a water control valve, a motor, a water temperature sensor, a temperature setting module and a processor. During use, a target temperature is set through the temperature setting module, the processor receives a signal of the water temperature sensor, and the water control valve is switched among a water return working state, a water supply workingstate and a water cut-off working state under the control of the processor; and a movable valve body of the water control valve rotates around the axis of a water return hole, according to the set temperature, the water control valve is driven by the motor to rotate around the axis of the water return hole to change the flow ratio of cold water to hot water flowing to the flow valve, so that the temperature of mixed water flowing to the flow valve is automatically adjusted, and the temperature is accurately controlled.

The invention relates to a device for machining workpieces, comprising a tool (3, 3.1) that is connected to a support (1) via a clamping device. The invention is characterized in that the support (1) is associated with an out-of-round, deformable cylinder (6) which receives the tool or which engages in a recess (12) in the tool (3.1).

The present invention provides an object lifter structure, wherein the lifting arm can easily rotate so as to achieve lifting of the objects in different orientations. The object lifter structure comprises a lifting arm, a base, a lifting device, a pulley, a steel wire rope and a hanging hook group, and is characterized further comprising a connection rod, a worm wheel, a worm rod and a support body, wherein the root portion of the lifting arm is fixedly connected to the connection rod, the base is fixedly connected to the support body, the support body is a cylindrical structure with openings on both ends, the connection rod is axially inserted inside the support body, the upper end and the lower end of the support body are respectively fixedly connected to a group of bearing pedestals, both ends of the connection rod are supported on the bearing pedestals, the worm wheel is arranged on the connection rod, the support body is provided with an installation seat, both ends of the worm rod are supported on the installation seat and are engaged to the worm wheel, and the end portion of the worm rod is fixedly connected to a rocker arm.

The invention relates to a ball valve with double radial stem bearings. The ball valve comprises a valve body, a packing gland, a stem and packing, the packing gland comprises a cover plate and a gland, a packing box and a groove are disposed on the valve body, the gland is inserted into the packing box, the lower portion of the stem is connected with the valve body, and the upper portion of the stem sequentially penetrates through the groove, the packing box and the gland to penetrate out of the packing gland. The stem, the packing box and the gland enclose to form an annular packing cavity, the ball valve further comprises a first radial stem bearing, a second radial stem bearing and two packing gaskets, the first radial stem bearing is sleeved between the gland body and the stem, the second radial stem bearing is sleeved between the groove and the stem, one packing gasket is arranged at the top of the annular packing cavity, and the other packing gasket is arranged at the bottom of the annular packing cavity. Compared with the prior art, the ball valve with the double radial stem bearings has the advantages that the stem can be prevented from radial deflection, jamming and friction with the packing gland, medium leakage of the packing and the packing gaskets can also be prevented, and the like.

The invention relates to a low-cost inter-wheel differential structure which comprises a left differential shell, a driven bevel gear and a right differential shell. The left differential shell, the driven bevel gear and the right differential shell are coaxially arranged, the end face of the left differential shell is fixedly connected with the end face of the right differential shell, the driven bevel gear is arranged on the periphery of the right differential shell in a sleeving mode and fixedly connected with the end of the left differential shell, an annular transition disc is coaxially arranged between the driven bevel gear and the left differential shell, the periphery of the right differential shell is sleeved with the transition disc, the transition disc is matched with the right differential shell through a radial spigot, and the driven bevel gear, the transition disc and the left differential shell are fixedly connected; and the end, facing the right differential shell, of the transition disc is provided with an outwards-extending spigot, and the outwards-extending spigot is tightly embedded between the driven bevel gear and the right differential shell. By additionally arranging the transition disc, the long-diameter size of the driven bevel gear can be shortened, and the proportion in the long-diameter direction is relatively harmonious. The outwards-extending spigot of the transition disc provides rigid support for the driven bevel gear, and the problem that the rigidity of the driven bevel gear is poor is solved.

The invention belongs to the technical field of washing machines and aims to solve the problem that the switch assembly of the existing washing machines takes up a large space, thus making it inconvenient to arrange the structural space of the washing machine. To this end, the present invention provides a switch assembly for a washing machine and a washing machine. The washing machine includes a mounting member and a lock body arranged on the mounting member. The screw transmission mechanism between the bodies, the button drives the lock body to open through the screw transmission mechanism, and the screw transmission mechanism can change the transmission direction of the force. The switch assembly of the present invention reduces the occupied space of the switch assembly by changing the conduction direction of the force. It is beneficial to the structural arrangement of the washing machine.

An eight-core circular 10G Ethernet contact comprises a medium body assembly and an outer conductor, and the medium body assembly is integrally sleeved in the outer conductor. The upper part of the medium body assembly and the outer conductor are fixed in an interference crimping manner, and the lower part of the medium body assembly and the outer conductor are fixed through a positioning pin. According to the invention, the overall dimension miniaturization of the Ethernet contact element is ensured, the signal transmission quantity is increased through the eight-core-number design, the interference among signals is reduced through the arrangement of the cross-shaped shielding element, the signal transmission rate is greatly improved, the requirement of high-speed communication is met, and in addition, compared with the traditional two-core or four-core-number design, as the use number of the Ethernet contacts is reduced, the weight of the Ethernet connector is indirectly saved by more than half.

The invention relates to the field of composite pipeline manufacturing equipment, and discloses a spiral mold and pipeline composite equipment with the spiral mold. The spiral mold comprises a spiral mold assembly (20) provided with a plurality of spiral flow channels (21) and a flow dividing assembly (30) at least comprising a first flow dividing ring (31), the flow dividing assembly (30) is arranged at the feeding end of the spiral mold assembly (20), the first flow dividing ring (31) is provided with a first arc-shaped flow channel (311) extending in the circumferential direction and first material passing holes (312) penetrating and extending from the two ends of the first arc-shaped flow channel (311) in the axial direction, and the first flow dividing ring (31) can divide and convey material flow to the multiple corresponding spiral flow channels (21) through the first material passing holes (312). According to the spiral mold, feeding pressure can be converted into axial pressure when the material flow enters the spiral mold assembly, meanwhile, uniform distribution of composite materials in the circumferential direction is achieved, radial deviation of the spiral flow channels can be effectively avoided, and a composite layer with the uniform wall thickness is extruded.

The invention discloses a motor with a small air gap. The motor comprises a stator and a plastic insulating layer, the plastic insulating layer is arranged outside the stator, the motor also comprises a shell, the shell comprises a rear end cover and an annular shell, the shell forms an accommodating cavity for accommodating the stator, the plastic insulating layer is integrally formed in the accommodating cavity through injection molding, and the plastic insulating layer and the shell are integrated through injection molding. The invention further discloses an electric tool based on the motor. The invention further discloses a machining and assembling method of the motor with the small air gap. According to the invention, the stator has high concentricity relative to the rear end cover in the assembling process, so that a required small air gap can be obtained between the stator and the rotor, and the efficiency of the motor is effectively improved.