8results about How to "Increase arm length" patented technology

The invention relates to the field of mechanical control valves, in particular to a conveying oil pipe mechanical control valve which comprises a flow control valve, the flow control valve comprises a valve body, a valve element is rotationally connected to the middle in the valve body, a valve rod is fixedly connected to the middle of the top end of the valve element, and a fixing block is fixedly connected to the top of the valve rod. A sliding groove is formed in the middle of the interior of the fixing block, middle partition blocks are fixedly connected to the upper side and the lower side of the middle of the interior of the sliding groove, sliding blocks are arranged on the two sides of the middle partition blocks, the sliding blocks are slidably connected to the two sides of the interior of the sliding groove, and second connecting rods are fixedly connected to the sides, away from the middle partition blocks, of the sliding blocks; and second half hand wheels are fixedly connected to the ends, away from the sliding blocks, of the second connecting rods correspondingly, the peripheries of the second connecting rods are sleeved with ejection springs correspondingly, and the ejection springs are arranged on the inner sides of the sliding grooves correspondingly, the length of a force arm of a hand wheel on the flow control valve can be increased, and more labor can be saved when people rotate the valve rod and the valve element.

The invention provides a food processor and a knife tackle mounting structure and a stirring cup thereof, the knife tackle mounting structure comprises: a container bottom, the bottom wall of which is provided with a mounting hole; the tool apron is mounted at the mounting hole and is used for mounting a tool of the food processor; and the locking component is mounted at the bottom of the container, is matched with the tool apron, is suitable for reciprocating between a tool dismounting position and a tool locking position relative to the bottom of the container, locks the tool apron to fix the tool apron under the condition that the locking component moves to the tool locking position, and unlocks the tool apron to loosen the tool apron under the condition that the locking component moves to the tool dismounting position. The tool set can be disassembled and assembled by operating the locking component, and rapid disassembly and assembly of the tool set are facilitated. Meanwhile, as the locking part is directly mounted at the bottom of the container, the locking part cannot be separated from the bottom of the container in the using process, and the locking part can be prevented from being lost or being mixed with other tools; and the situation that the tool apron is loosened due to nut loosening when the tool rotates in one direction can be prevented, and therefore the use reliability of the product is improved.

The utility model relates to a mechanical arm and a robot, the mechanical arm comprises an elbow, a first arm and a lengthening assembly, and the elbow is provided with a driver; one end of the lengthening assembly is connected with the driver, and the other end of the lengthening assembly is connected with the first arm so as to transmit motion between the elbow and the first arm; the lengthening assembly comprises a lengthening arm and a wire passing sleeve, the lengthening arm is arranged in a hollow mode, the wire passing sleeve penetrates through the lengthening arm so that wires can be arranged, a supporting structure is arranged in the lengthening arm, and the supporting structure abuts against at least two different areas of the outer ring circumferential wall of the wire passing sleeve so as to support the wire passing sleeve. The wire passing sleeve is arranged in the extension arm in a penetrating manner and is used for accommodating the wire rod, so that the shaking of the wire rod can be reduced, and the probability of frictional wear between the wire rod and other components is reduced. Furthermore, the supporting structure abuts against the peripheral wall of the outer ring of the wire passing sleeve, so that the wire passing sleeve has a stable relative position in the extension arm, the position stability of the wire is indirectly improved, and the abrasion of the wire is reduced.

The application discloses a model box for vibration test of a stepped reinforced soil retaining wall and belongs to the technical field of vibration test model boxes, which comprises a bottom plate, a side plate detachably installed on the bottom plate, a plurality of U-shaped plates slidably installed on the side plate, two arms of the U-shaped plate slidably installed on two opposite side walls of the side plate, a stepped cavity formed by splicing the plurality of U-shaped plates and the side plate, an upper cavity and a lower cavity of the stepped cavity, a cover plate slidably installed on the U-shaped plate at the top of the lower cavity and used for closing the lower cavity, a threaded hole arranged on one arm of the U-shaped plate, a screw threadedly connected in the threaded hole, an accelerometer detachably installed on the screw, and the U-shaped plate comprising a U-shaped part and a connecting part connected with two arms of the U-shaped part. The model box for making a model and the vibration test model box are integrated, so that the stability of the model in the vibration test and the accuracy of the vibration test result are ensured.

The present disclosure relates to a sealed container including a container and a container lid, wherein the container lid includes a lid body; a movable base that can be moved up and down is disposed under the lid body; an elastic seal is disposed between the movable base and the lid body, and the elastic seal is connected with the lid body or the movable base; wherein when the movable base is moved upward, an outer edge of the elastic seal is deformed outward to form a sealing portion between the elastic seal and the movable base for realizing sealing of the container lid and the container; an opening and closing mechanism for opening and closing the container lid is disposed on an upper side of the container lid, and the opening and closing mechanism includes a twisting switch and a sliding cover, wherein when twisting the twisting switch on the lid body, the movable base is moved up and down; and the twisting switch is provided slidably on the outside the sliding cover, and the sliding cover can slide out of the twisting switch. As such, during opening and closing the lid, the arm length of the twisting switch when being twisted can be increased by means of the sliding cover, forming a labor-saving lever. As a result, it is more convenient and easier to open and close the container when opening and closing the container, and in the case of containers with greater pressure and larger caliber, it is more convenient to open and close the container.

The utility model discloses an anti-skidding type plate rolling device which comprises a support and a guide sleeve, a transferring assembly is installed on the support, the transferring assembly comprises a fixed roller and a first motor, a clamping assembly is installed on the top of the fixed roller, the clamping assembly comprises a movable roller and a sliding block, a limiting assembly is installed on the inner side of the support, and the sliding block is installed on the limiting assembly. The limiting assembly comprises a sliding groove and a first spring, a pushing assembly is installed at the top of the support and comprises a rotating roller and a second motor, and a plate rolling assembly is installed at the top of the rotating roller. And the third motor pushes the pressing block upwards through the lead screw, so that the plate roll is separated from the rotating roller, then the plate roll is pushed outwards from one end of the winding roller, the material returning work of the plate roll can be rapidly completed, and the plate winding device is suitable for winding machining of plates.

The invention provides a food processor and a knife tackle mounting structure and a stirring cup thereof, the knife tackle mounting structure comprises: a container bottom, the bottom wall of which is provided with a mounting hole; the tool apron is mounted at the mounting hole and is used for mounting a tool of the food processor; and the locking component is mounted at the bottom of the container, is matched with the tool apron, is suitable for reciprocating between a tool dismounting position and a tool locking position relative to the bottom of the container, locks the tool apron to fix the tool apron under the condition that the locking component moves to the tool locking position, and unlocks the tool apron to loosen the tool apron under the condition that the locking component moves to the tool dismounting position. The tool set can be disassembled and assembled by operating the locking component, and rapid disassembly and assembly of the tool set are facilitated. Meanwhile, as the locking part is directly mounted at the bottom of the container, the locking part cannot be separated from the bottom of the container in the using process, and the locking part can be prevented from being lost or being mixed with other tools; and the situation that the tool apron is loosened due to nut loosening when the tool rotates in one direction can be prevented, and therefore the use reliability of the product is improved.

The utility model provides a dismounting and mounting assembly and a tubular separator. The dismounting and mounting assembly comprises a positioning boss sleeve and a rotating piece. A clamping groove is formed in one end of the positioning boss sleeve, a clamping matching part is formed on the inner wall of the end of the clamping groove, the clamping matching part is used for being arranged on a base of the tubular separator in a clamped mode, and a rotating matching part is formed on the face, away from the clamping matching part, of the positioning boss sleeve; a rotating part is formed at one end of the rotating piece, the rotating part is matched with the rotating matching part, and the rotating piece is clamped in the rotating matching part through the rotating part, so that the rotating piece can drive the positioning boss sleeve to rotate when rotating. According to the disassembly and assembly assembly, due to the fact that the positioning boss sleeve and the rotating piece are additionally arranged, single-hand rapid disassembly and assembly are achieved, time and labor are saved, the rotating piece is clamped in the rotating matching part through the rotating part, detachable connection of the rotating piece and the positioning boss sleeve is achieved, a user can replace the damaged rotating piece or the damaged positioning boss sleeve conveniently, and the disassembly and assembly efficiency is improved. And the storage by a user is facilitated, so that the storage space is saved.