283results about How to "Clamp tightly" patented technology

A control module may be used for raising and lowering a window shade. This configuration allows a user to pull the operating cord a predetermined distance to raise the window shade, then release the operating cord until it has retracted, and then pull the operating cord another predetermined distance to raise the window shade again. A brake mechanism is operably connected to a brake release and configured to lock or unlock the drive axle. A clutch is adapted to be mounted on the axle for selectively engaging the cord drum to the axle. The cord drum may rotate independent of the drive axle when a clutch is disengaged from the drive axle. As a result, movement of the operating cord will not cause the window shade to raise while the clutch is disengaged. When the clutch is engaged with the drive axle, the cord drum and adapter sleeve may rotate together to drive the rotation of the drive axle for raising the window shade.

A window-type ball grid array (WBGA) semiconductor package with a lead frame as a chip carrier and a method for fabricating the same are provided. The lead frame has a plurality of leads encompassing an opening, each lead having an upper surface and an opposing lower surface. A resin material is pre-molded on the lower surfaces of the leads, with wire-bonding portions and ball-implanting portions defined on the leads being exposed. At least a chip is mounted on the upper surfaces of the leads and covers the opening, allowing the chip to be electrically connected to the wire-bonding portions of the leads by a plurality of bonding wires via the opening. Then, an encapsulant is formed to encapsulate the chip and fill into the opening for encapsulating the bonding wires. Finally, solder balls are implanted on the ball-implanting portions of the leads to complete fabrication of the semiconductor package.

The invention relates to a precompression system for a liquid dispensing device, which prevents liquid from being discharged until a predetermined pressure has been built up. The precompression system comprises a pump for drawing liquid through an inlet and discharging it through an outlet and a precompression valve disposed between the pump and the outlet. The precompression valve allows liquid in the pump to reach the outlet only after the predetermined pressure is established and stops liquid from reaching the outlet when the pressure falls below the predetermined level. The precompression valve comprises an elastic diaphragm normally closing the valve opening and including a concave surface facing the valve opening and in fluid communication with the pump and a convex surface in fluid communication with atmospheric pressure. The elastic diaphragm may be stretched around a valve seat.The invention further relates to a method of assembling such a precompression system in a liquid dispensing device.

A control module may be used for raising and lowering a window shade. This configuration allows a user to pull the operating cord a predetermined distance to raise the window shade, then release the operating cord until it has retracted, and then pull the operating cord another predetermined distance to raise the window shade again. A brake mechanism is operably connected to a brake release and configured to lock or unlock the drive axle. A clutch is adapted to be mounted on the axle for selectively engaging the cord drum to the axle. The cord drum may rotate independent of the drive axle when a clutch is disengaged from the drive axle. As a result, movement of the operating cord will not cause the window shade to raise while the clutch is disengaged. When the clutch is engaged with the drive axle, the cord drum and adapter sleeve may rotate together to drive the rotation of the drive axle for raising the window shade.

The invention relates to the technical field of computer vision recognition processing and provides an educational toy suite. The educational toy suite comprises a support, a helmet detector and a base plate, the support is installed on the base plate, and the helmet detector is installed on the support; a first groove is formed in the upper portion of the base plate; the bottom of the support is provided with a protrusion, the protrusion is installed in the first groove, a second groove and a third groove are formed in the top of the support, and the second groove is used for storing a tablet computer; the helmet detector is installed in the third groove. By means of the educational toy suite, the image acquisition scope of a camera of the tablet computer is expanded, the visual angle is enlarged, great interactivity is achieved, game experience is more vivid, the educational toy suite is helpful for alleviating asthenopia, harm to eyes is lowered, operational ability of children is improved, the children are promoted to make progress continuously, intelligence is developed, enjoyment is improved, the educational toy suite is more convenient to carry, move, install and detach, the cost is saved, and maintenance is facilitated.

The invention belongs to the material test technical field, to be more exactly, relates to a fatigue test sample clamp with high temperature resistance, high pressure resistance and aqueous corrosion resistance and an usage method thereof, which solves the problems of high temperature irresistance, high pressure irresistance, aqueous corrosion, large screw thread slit and poor centering in the current sample clamp. The clamp is provided with a column, a platform, an upper press cap, a lower press cap and a conversion adapter; the lower part of the column of the clamp is fixed on a cover of anautoclave, the upper part of the column of the clamp is fixed on the platform, and respectively and tightly pressed by lock nuts, the lower part of the conversion adapter is connected with a stretching shaft of a fatigue machine, through elevating the stretching shaft, an upper convex plate and a lower convex plate of the test sample are respectively placed in a platform groove and a conversion adapter groove, two dimidiate semirings are pressed on upper convex plate and the lower convex plate of the test sample, the upper press cap and the lower press cap are sleeved, the press cap bolts arescrewed for fixing two ends. The fatigue test sample clamp can be used in the autoclave for carrying out various fatigue tests (stress-stress, stress-tension, tension-tension and the like) under the high temperature high pressure solution environment, and has the advantages of simple structure and low cost.

A clamping apparatus includes: a base defining a holding plate; two clamping units installed on the machine base and movable relative to each other; a unidirectional restriction unit restricting the clamping units from moving toward a center of the holding plate, having a portion exposed to an exterior of the holding plate such that an applied pressure results in withdrawal of the portion into the base and releases the clamping units from moving, thereby permitting the clamping units to move toward each other to clamp an electronic device tightly; and a manipulating unit is disposed in the base and has an manipulating part exposed to an exterior of the base such that activation of the manipulating part results in causing simultaneous movement of the clamping units away from each other and releasing the electronic device from the clamping units.

A spring clamp includes a first and a second handle; a substantially L-shaped release link having an inner section transversely mounted in the first handle and an outer section located outside the first handle, and being pivotally turnably about a supporting point mounted in the first handle between the inner and the outer section of the release link; and a shaft having a front end fixedly connected to a movable jaw extended from a distal end of the second handle and a rear end obliquely extended through a hole on the inner section of the release link. To release the two handles of the spring clamp from an immovable position when clamping two workpieces together, a user needs only to downward push the outward projected outer section of the release link using one finger.

A massage brush has a massage structure, an orientation ring engaging tightly with the massage structure, a circular pad received in the massage structure, and an exterior cover retained against the circular pad and the orientation ring. The circular pad includes a flange disposed therearround and clamps in the massage structure, and an L-shaped restriction portion extends downwardly from a bottom thereof to support the orientation ring thereon. The orientation ring engages with the massage structure, the L-shaped restriction portion, and the exterior cover simultaneously for tightly clamping the massage structure therewith.

The invention discloses an indoor large flower pot carrying device, and belongs to the field of living furniture. The indoor large flower pot carrying device consists of a handle, a frame, a slide block, a back clamping plate, a back clamping handle, a front clamping handle, a linear bearing, a front clamping plate, a threaded sleeve, a threaded rod, wheels, a hand-operated handle, a hydraulic jack, an elevating rod and a grab bar, wherein the handle is connected to the frame; the elevating rod is fixedly connected with the slide block; the slide block is arranged in a frame sliding chute; the elevating rod is fixedly arranged above the hydraulic jack; the hydraulic jack is arranged above a frame bottom plate; the back clamping plate is fixed on the right side of the elevating rod; the front clamping plate is fixed on the right side of the elevating rod; the threaded sleeve is arranged on the front clamping plate; the threaded rod is arranged on the threaded sleeve; the front clamping handle is fixedly arranged at the front end of the threaded rod through the linear bearing; a vehicle body is arranged above the wheels. The indoor large flower pot carrying device has the beneficial effects that a flower pot is clamped through threaded connection, and self-locking property is realized, so that the flower pot can be clamped more tightly, the working efficiency is increased, and the labor force is reduced.

The invention relates to a lathe, in particular to an automatic lathe for processing a spanner. The lathe is characterized in that a positioning ring is installed on a principal shaft; a positioning groove is arranged on the lateral side of the positioning ring; a positioning block is pushed by a gas cylinder to be clamped in the clamping groove, at the same time, an inductive switch is induced to send out an induction signal to enable a spindle motor to stop running, and thereby the principal shaft can be positioned and stops running. The automatic lathe can position accurately, the positioning block is clamped in the positioning groove to enable the principal shaft to be firmly fixed, and the principal shaft can not be positioned inaccurately due to rotational inertia; and the automatic lathe is simple in design and low in cost.

The invention discloses a valve clamping device. The valve clamping device comprises a first clamping component, a second clamping component and a fixing component. The fixing component is used for fixing the first clamping component and the second clamping component. The first clamping component comprises at least two first clamping arms. The second clamping component comprises a corresponding number of second clamping arms. A pair of clamps can be formed by each first clamping arm and the corresponding second clamping arm. The valve clamping device has the advantages that the valve clampingdevice can employ the smooth-transition top design, the high-clamping-stability clamping tooth design and the 'one-stripe-for-dualpurpose' fixing ring deign, so that damage to valves during movement of the clamping device is reduced, users capture the valves conveniently, and clamping performance is improved while damage to the valves is reduced; the overall structure of the clamping device has high machinability, and production and manufacture of factories are facilitated.

A flat panel display module comprises a display panel clamped by a first frame and a second frame structure. The first frame includes a sidewall and an elastic piece, wherein the sidewall encloses the display panel and has a breach. The elastic piece is disposed in the breach of the sidewall. The second frame can be assembled on the first frame. The second frame presses the elastic piece so that the elastic piece is curved to contact a side of the display panel.

A gaming controller includes a main body and a support device. The support device includes a base member, a bracket assembly and a positioning member. The bracket assembly is installed on the base member and includes a first frame and a second frame. The first frame and the second frame are movable relative to the base member. The first frame includes plural positioning holes. The positioning member is installed on the base member and arranged between the positioning member and the second frame. The positioning member includes a positioning unit. While an operation state of the support device is switched from a storage state to a first usage state, the first frame is moved away from the base member. When a front end of the first frame is moved to a first location, the positioning unit is embedded in a first positioning hole.

A tent, such as a collapsible canopy, having removable awning structures. In some embodiments, the awning structure includes a detachable connection member, an awning tube coupled to the connection member and an awning fabric or other suitable awning body. The awning cloth can be fixed on the awning tube, such as extending between a pair of awning tubes. When the intensity or direction of the outdoor environment light / precipitation changes, the removable awning structures may be deployed as desired to increase or adjust the shade area according in the desired direction to flexibly meet shade or storm requirements.

A Roman blind structure includes a Roman blind made up of a telescopic upper beam, and a blind body of a proper length and width fixedly attached to the underside of the telescopic upper beam thereof wherein the blind body is provided with a plurality of long tubular tunnels equidistantly folded and seamed up from top to bottom at one side thereof for adjustable rods, each having a plurality of dividing grooves properly cut in equal space at the surface thereon, to be adapted therein respectively. At preset positions of the left and right sides of each long tubular tunnel are respectively located a retaining member with a C-shaped clamping part extending at one side thereof to clamp tight the adjustable rod adapted inside the long tubular tunnel thereby, and the retaining members are also equipped with cord-passage holes, each protruding levelly at one side of the C-shaped clamping part thereof, for pull cords to be sequentially led there-through before fixedly tied up to the bottommost cord-passage holes thereof. When the telescopic upper beam is properly adjusted to fit to a window frame, the adjustable rods are directly bent downwards by force along the dividing grooves to break off extra sections of the adjustable rods thereof without any other tools applied thereto, and an extra part of the adjusted blind body is collected either at the middle section or at both the left / right sides of the adjustable rods in wavy wrinkles, achieving versatile visual effects of the Roman blind as well as facilitating an easy and speedy assembly of the present invention.

A dust collector having a hose clamp, comprising a dust collection power head, a dust bucket and a hose; wherein the dust collection power head is arranged on the dust bucket, one end of the hose is in communication with the dust bucket; and the dust collector further comprises a hose clamp which is comprised of a first baffle, a second baffle and an elastic resetting member; at least one of the first baffle and the second baffle is a rotatable baffle, and a resetting force generated by the elastic resetting member acts on the rotatable baffle. Due to action of a torsional spring, the first and second baffles can always clamp the hose tightly while accommodating the hose. When the operator takes the hose down, the second baffle can be opened automatically to a certain angle along with the operator's action, so the hose can be taken out.

The invention relates to the field of PE pipes, and particularly relates to a PE pipe bending device facilitating packaging. The PE pipe bending device comprises a base, a bending mechanism, a cleaning mechanism, a storage mechanism, a limiting mechanism, a positioning mechanism and a swing mechanism. A fixing plate is installed through the base, and therefore the bending mechanism can be conveniently fixed and work, and PE pipes can be conveniently rolled and stored; meanwhile, the bending mechanism is locked in an abutting manner under the action of the limiting mechanism, and normal work ofthe bending mechanism is guaranteed; under work of the positioning mechanism, the PE pipes in the bent and rolled process can be conveniently positioned and guided, and the PE pipes can be conveniently stored and bent; meanwhile, the swing mechanism is driven by the bending mechanism to work, the positioning mechanism slides, and the PE pipes can be conveniently stored in order and in layers; andafter the cleaning mechanism cleans the PE pipes in the sliding process, dust and sundries attached to the side walls of the PE pipes are cleaned away, the cleaned dust and sundries fall into the storage mechanism to be stored, and meanwhile subsequent cleaning is facilitated.

A four-bar-linkage brake-included knee joint includes a knee carriage, first and second links rotatably coupled to the carriage, and a clamp member coupled to a joint body. The clamp member forms a through hole that receives an axle to couple the second links. A compression block is received in a rear portion of the joint body and is set in engagement with a back side of the clamp member. The clamp member forms a gap extending from the through hole of the clamp member to a bottom of the clamp member. When a heel of a prosthesis that includes the knee joint is put on the ground, a reaction force is induced in the prosthesis that causes the compression block to directly depress the clamp member thereby reducing the gap to have the clamp member tightly clamping the axle and thus preventing the axle from further rotation.

The invention relates to a PVC decorative board film laminating and unwinding mechanism which comprises a bottom plate, a first bearing pedestal and a second bearing pedestal; the first bearing pedestal is fixedly arranged on the bottom plate; the second bearing pedestal is arranged on the bottom plate and can move along the bottom plate to be close to or far from the first bearing pedestal; shortshafts are rotationally arranged in the first bearing pedestal and the second bearing pedestal in a penetrating manner correspondingly; threads are formed in the peripheries of one ends, close to each other, of the two short shafts correspondingly; the peripheries of the ends, close to each other, of the two short shafts are connected with adjusting nuts correspondingly and are sleeved with elastic clamping plugs correspondingly; the elastic clamping plugs are located on one sides, which are close to each other, of the two adjusting nuts; a film roll is coaxially arranged between the two short shafts; and under the action of external force, the adjusting nuts are tightened, and the adjusting nuts can axially push the corresponding elastic clamping plugs to stretch into and elastically abut against hole locations of the corresponding ends of the film roll. The PVC decorative board film laminating and unwinding mechanism has the advantages that the PVC decorative board film laminating and unwinding mechanism is simple in structure and convenient in use and operation, rapid disassembly, assembly and replacement of the film roll is facilitated, the film roll is located accurately andthe clamping is relatively stable.