58results about How to "Improve loose" patented technology

The invention discloses a silicon rubber insulator injection mold demolding device. The device comprises a moving template, a lower template, a lower heat plate, a mandrel, at least three movable inserts and a driving mechanism, wherein the lower template is fixedly arranged at the upper end of the moving template; the lower heat plate is fixedly arranged between the moving template and the lower template; the mandrel is placed in a cavity of the lower template; the movable inserts are arranged in the cavity of the lower template in a vertical sliding mode, the shapes of the upper ends of the movable inserts correspond to the shape of the cavity of the lower template, so that the movable inserts are combined with the cavity of the lower template to form a cavity of a product, and the at least three movable inserts are distributed along the axial direction of the cavity of the lower template; the driving mechanism is fixedly arranged on the movable template and is connected with the movable inserts to drive the movable inserts to slide up and down. According to the device, automatic demolding can be performed on the product, the production efficiency is high, and the product is not damaged easily.

The invention discloses a practical scaffold connection device which comprises a base, two clamping mechanisms and two fixing mechanisms. Tube clamping grooves are formed in the two opposite sides of the base, and the clamping mechanisms and the tube clamping grooves are in one-to-one correspondence. Each clamping mechanism comprises a first rotating shaft, a second rotating shaft, a rotating base, a mounting base, a first thread rod, a nut, a clamped piece and a pressing plate. The fixing mechanisms and the nuts are in one-to-one correspondence. Each fixing mechanism comprises a mounting tube, two second thread rods and two moving rods; the mounting tubes are mounted on the corresponding nuts, the two second thread rods are rotatably mounted in the corresponding mounting tube; the two second thread rods are in parallel; two movable matched holes are formed in the moving rods; and internal threads matched with the second thread rods are arranged in the movable matched holes. On any moving rod, the two second threaded rods penetrate through the two movable matching holes correspondingly, and the two moving rods are located on the two opposite sides of the corresponding first thread rod. The practical scaffold connection device is simple in structure, easy to fix and not likely to be disengaged.

The invention relates to a card locked pull-fall separation electrical connector. The electrical connector comprises a plug and a socket, wherein more than one locking steel ball is arranged on an outer wall of a front part of a head shell of the plug and is used for connecting the plug and the socket in a locking way, a hole core assembly is arranged in the head shell, the plug comprises a locking sleeve, a ripple spring, a springs, a steel ball, a ratchet, a positioning baffle ring, a pull ring connection sleeve, a connection sleeve baffle ring, a pull ring, a steel rope and a pull pin, the locking sleeve is sleeved outside the head shell, a circle of circumferential groove and more than one axial groove are formed in an inner wall of a front part of the locking sleeve from outside to inside, the inner wall of the locking sleeve elastically props against head shell through the ripple spring, the ratchet and the pull ring connection sleeve are connected with an inner wall of a rear part of the head shell through a spline from inside to outside, an inner end surface of the ratchet props against the head shell by a plurality of steel balls with the springs, an outer end surface of the ratchet is arranged at an upper limit of the head shell by the baffle ring, an outer end surface of the pull ring connection sleeve is limited by a connection sleeve baffle ring arranged on an inner wall of the locking sleeve, more than one upper pull ring is connected with the pull ring connection sleeve, and the pull ring is connected with the pull pin through a steel rope.

The invention discloses a hard disk fixing frame. The hard disk fixing frame comprises a U-shaped protection housing, at least on bearing plate and at least one press piece, wherein each bearing plate is equipped with each press piece, the U-shaped protection housing comprises two housing walls and a housing top connected between the two housing walls, the two housing walls are arranged at an interval and parallel to each other, an insertion mouth used to insert an external hard disk is formed between the two housing walls, the at least one bearing plate is fixedly inserted between the two housing walls, the at least one bearing plate is parallel to the housing top, a first fixing plate is formed at an extension end of each bearing plate, extended out of the insertion mouth, each press piece is fixed on each first fixing plate in dismountable mode, each press piece is provided with at least one press mouth, the orientation of each press mouth is vertical to the orientation of the insertion mouth, the press piece on one side of each press mouth is provided with a passing mouth for a connector of an external connection wire to pass, and the orientation of each passing mouth is parallel to the orientation of the insertion mouth. The hard disk fixing frame can reliably and conveniently press the connection line tightly, and prevents the connection line from loosing.

The invention discloses a practical scaffold connection device which comprises a base, two clamping mechanisms and two fixing mechanisms. Tube clamping grooves are formed in the two opposite sides of the base, and the clamping mechanisms and the tube clamping grooves are in one-to-one correspondence. Each clamping mechanism comprises a first rotating shaft, a second rotating shaft, a rotating base, a mounting base, a first thread rod, a nut, a clamped piece and a pressing plate. The fixing mechanisms and the nuts are in one-to-one correspondence. Each fixing mechanism comprises a mounting tube, two second thread rods and two moving rods; the mounting tubes are mounted on the corresponding nuts, the two second thread rods are rotatably mounted in the corresponding mounting tube; the two second thread rods are in parallel; two movable matched holes are formed in the moving rods; and internal threads matched with the second thread rods are arranged in the movable matched holes. On any moving rod, the two second threaded rods penetrate through the two movable matching holes correspondingly, and the two moving rods are located on the two opposite sides of the corresponding first thread rod. The practical scaffold connection device is simple in structure, easy to fix and not likely to be disengaged.

The invention relates to the field of molds, in particular to a novel shoe making mold, which consists of an upper mold, a lower mold and a mold core between the upper mold and the lower mold, wherein a blocking device is arranged at the injection opening between the upper mold and the lower mold; each of the four corners of each of the upper and lower molds has a positioning post device; and an SPR guide post device is inserted into the upper mold, the lower mold and the mold core. With the structure, the mold has the advantages that: the precision of the blocking device is high; the mold is a combined part; the rate of finished products is high; the maintenance and detachment are convenient; looseness is prevented; the guide sliding of the core mold is smooth and precise; damage is prevented; and products can be processed automatically.

The invention relates to a comb bar for a suction nozzle for a workstation of a textile machine for creating cross-wound spools. The suction nozzle has a suction port for the pneumatic picking of a yarn breakage or a controlled thread cut accumulated on the surface of a cross-wound bobbin end. The comb bar disposed in the suction port area is provided with a chamfer and a comb strip. The comb strip is used for fixing the thrum. The comb bar (19) has a structured surface (32) formed at a region of a chamfer (31) of the bar during photochemical etching process. Contour edges are formed at a region of the structured surface and comprise undercuts. The structured surface is produced by means of photochemical etching.

The invention relates to a thread screw joint structure. The thread screw joint structure is used for solving the problem that traditional thread screw joint is not tight enough. The thread screw joint structure comprises an internally threaded piece and an externally threaded piece. The thread pitch specifications of internal threads of the internally threaded piece and external threads of the externally threaded piece are made to have slight difference, so that the internal threads and the external threads can conduct mutual interference, and therefore the screw joint tightness degree is improved.

The invention discloses a meshing tooth spanner structure. Meshing teeth are arranged on the opposite edges of the inner side of a fixed jaw and the inner side of a movable jaw of a spanner respectively. In this way, the meshing teeth on the fixed jaw and the movable jaw are good in meshing performance. The meshing tooth spanner structure has the advantages that due to the fact that the meshing teeth are arranged on the inner side of the fixed jaw and the inner side of the movable jaw of the spanner respectively, fastening and loosening of a round connector between a tap water pipe and a pipe fitting are facilitated, moreover, the slipping problem is not prone to appearing when a nut and a bolt are fastened and loosened, problems existing in an existing spanner can be improved, and the using effect is good.

The invention discloses an environment-friendly advertisement guideboard based on new energy, relates to the technical field of advertisement guideboards, and solves the problems that according to an existing new energy advertisement guideboard, regular cleaning of the guideboard can be completed only by climbing and manually applying force, and cleaning operation steps are tedious, strenuous and inconvenient. An advertising guideboard for environmental protection based on new energy comprises an advertising board body, the whole advertising board body is of a rectangular structure, and two long-strip-shaped solar cell panels are symmetrically installed on the lower half sections of a left supporting plate and a right supporting plate of a peripheral frame of the advertising board body in an embedded mode; and a pull frame is vertically inserted in a left vertical supporting plate and a right vertical supporting plate of a peripheral frame of the advertising board body in a sliding mode, three L-shaped clamping plates are arranged and installed on a top supporting plate of the peripheral frame of the advertising board body at equal intervals, and a guideboard is clamped on the three L-shaped clamping plates in a sliding mode. Two hanging supporting rods extend downwards, so that a person can directly stand to grab the two handles to disassemble, assemble or maintain and replace the guideboard, and the trouble that the person climbs to install or replace the guideboard is omitted.

The invention relates to an internal expansion type hollow cylindrical fixture. The internal expansion type hollow cylindrical fixture comprises a main shaft, fastening parts and a movable sleeve; aninner thread is formed in the movable sleeve, and the movable sleeve is connected to one side of the main shaft in a sleeving mode; the main shaft is overall provided with an outer thread matched withthe inner sleeve of the movable sleeve, and a fixing disc is perpendicularly arranged at the end, opposite to the movable sleeve, of the main shaft; each fastening part comprises a connecting rod anda fastening head, and each connecting rod comprises a first connecting rod and a second connecting rod; one end of each first connecting rod is in hinged shaft connection with the corresponding fastening head, and the other end of each first connecting rod is in hinged shaft connection with the fixing disc; and one end of each second connecting rod is in hinged shaft connection with the corresponding fastening head, and the other end of each second connecting rod is in hinged shaft connection with the movable sleeve. According to the internal expansion type hollow cylindrical fixture, clamping is stable and powerful, disengaging is convenient, and the internal expansion type hollow cylindrical fixture can be self-adaptive to small deformation in the workpiece machining process and has thegood clamping effect on hollow cylinders and pipes with different sizes and shapes.