81results about How to "Few assembly parts" patented technology

The invention discloses a light valve module which is suitable to be assembled on an optical machine base by screws. The light valve module comprises an imaging element, a carrier, a circuit board, a buffer piece and a rigid plate, wherein the whole piece of buffer sheet made of insulating material capable of elastic deformation is overlapped on the rear side of the circuit board; the rigid plate made of rigid material is overlapped on the rear side of the buffer sheet; the circuit board, the buffer sheet and the rigid plate are provided with a plurality of corresponding through holes or through grooves. The screws are orderly arranged through the corresponding through holes and the through grooves of the rigid plate, the buffer sheet and the circuit board to be locked in a fixing part of the optical machine base. With the improved buffer sheet, deflection caused by locking is easy to control and the number of assembly parts and assembly tolerance can be reduced.

The invention discloses a device and method for parameter characteristic testing of a magnetostrictive material and relates to a testing device effectively separating compressive pre-stress and load stress. The problems that an existing magnetostrictive material and a device of the existing magnetostrictive material are high in dynamic load characteristic testing difficulty, complex in structure and large in size are solved. Through positioning adjustment of a cover plate and a cover plate nut, separation of the separating compressive pre-stress and the load stress on a to-be-tested magnetostrictive material is achieved; the compressive pre-stress and the load stress can be adjusted respectively through a first adjusting nut and a second adjusting nut, and the device can be used for conveniently measuring parameter characteristics of the magnetostrictive material under the effects of the compressive pre-stress and the load stress. Assembly components of the device are fewer, clearance errors caused by assembly and process matching can be effectively controlled, and the device is high in testing precision and suitable for high-precision testing of magnetostrictive material and testing of comprehensive performance of a driving device of the magnetostrictive material.

The invention relates to the technical field of power batteries, in particular to a battery module. The battery module comprises a module framework and a battery pack which is arranged in the modularframework and formed by arranging single batteries and further comprises a temperature adjusting component for heating and / or cooling the battery pack; and an installation hole is formed in the bottomof the module framework, the bottom of the battery pack is exposed in the installation hole, and the temperature adjusting component is arranged in the installation hole and arranged on the bottom face of the battery pack in an attached mode. Due to the fact that the installation hole is formed in the bottom of the module framework, technical staff can directly arrange the temperature adjusting component in the installation hole in the attached mode; due to the fact that the module framework can support the battery pack, the technical staff do not need to arrange a bottom plate forming complete closure on the overall bottom face of the battery module; and due to the fact that the temperature adjusting component directly makes contact with the bottom of the battery pack, the heat conducting loss is reduced, assembly parts of the overall battery module are reduced, and therefore the battery module is lighter and good in heating or cooling effect.

The invention relates to a steam turbine, in particular to a radial direction double flow type steam turbine which can effectively reduce axial force and use steam flow energy as much as possible. Double rows of centripetal integral impellers are arranged at the center of a live spindle, centrifugal integral impellers are arranged at two sides. The integral impellers do work when steam flow carries out centripetal movement to push the spindle to rotate, and do work again in the centrifugal stage to push the spindle to rotate after the angular transformation, and enter the next circulation. The structure can counteract the generated axial force, reduce the structure, use the centrifugal energy, and improve the efficiency.

When an axial gap rotating electrical machine is assembled, stator cores are accurately positioned and a manufacturing process therefor is simplified. The axial gap rotating electrical machine is comprised of: a housing frame body having a first space in the cylindrical central part thereof and multiple second spaces located in the circumferential direction which have the same distances from the center; a shaft rotatably provided in the first space in the housing frame body; a core placed in each of the second spaces in the housing frame body and a coil arranged outside of the core; a rotor yoke fixed on the shaft, extended in the direction of the circumference thereof, and having multiple magnets arranged in circumferential positions confront the cores; and a case having a hole for the shaft and housing the housing frame body and the rotor yoke.

The invention relates to an electronic atomization device and an atomizer thereof. The atomizer comprises a shell and an atomization assembly, wherein a liquid storage cavity is formed in the shell, and the atomization assembly is arranged in the shell. The atomization assembly comprises a base, a liquid guiding body arranged on the base, a heating body arranged on the liquid guiding body and a sealing piece arranged above the liquid guiding body in a sleeving mode. The liquid guide body is provided with a liquid suction face communicated with the liquid storage cavity in a liquid guide mode and an atomization face used for installing the heating body. And the direction of airflow flowing through the atomizing surface is parallel to the atomizing surface, so that the atomization is more sufficient. The atomizer is simple in structure and few in assembly parts, and materials and process cost are saved.

The invention discloses an ultraprecise piezoelectric positioning platform. A first micromotion module, a second micromotion module and a third micromotion module are matched, and are displaced through a plurality of piezoelectric elements, so that the ultraprecise piezoelectric positioning platform can realize multiaxial, non-equivalent circle and nonlinear micromotion adjustment functions, and achieve a high-precision positioning effect. Besides, the first micromotion module, the second micromotion module and the third micromotion module are combined in a reverse cascade combination mode, and the ultraprecise piezoelectric positioning platform is more flattened, so the volume and the height of the ultraprecise piezoelectric positioning platform are effectively reduced. Moreover, by a modularization design, the ultraprecise piezoelectric positioning platform has a few assembled parts, and is convenient to disassemble and easy to maintain.

The invention relates to a columnar forming device for concrete materials. The columnar forming device comprises a casting mould which is generally of a tubular structure, wherein the casting mould is divided into two semicircles by taking the center line as a base point, namely an upper mould and a lower mould respectively, and the upper mould and the lower mould have same structures and are connected with each other. The columnar forming device is light in dead weight and easy to assemble and disassemble, and can be used for greatly reducing the amount of testing labor and saving the manpower. In addition, as the assembling parts of the device are few and the size and length are reasonable, the uniformity of a concrete testing block can be effectively improved so as to achieve the purpose of improving the testing precision.

The invention relates to a lifting mechanism for fans, which comprises an outer joint component, an inner vertical pipe and an outer vertical pipe, and is characterized by further comprising a piston device, a one-way valve device and a base plate joint. The outer joint component is fixed with the outer vertical pipe and the inner vertical pipe in a screwed manner respectively, the piston device is fixed at the lower end of the inner vertical pipe, the upper end of the base plate joint is fixed and communicated with the lower end of the outer vertical pipe, the one-way valve device is fixed in a center cavity of the base plate joint, a plurality of air holes are arranged on the center cavity in the base plate joint, and one of the air holes is communicated with an air hole of the one-way valve device. The lifting mechanism for fans is simple in structure, small in number of assembling parts, low in manufacturing cost, favorable for large-scale manufacturing and production and fine in operational stability.

The invention discloses an easily-detachable and high-strength scaffold for mounting lighting lamps on building external walls in the technical field of construction engineering. The scaffold comprises a lower scaffold and an upper scaffold, reinforcing ribs are arranged on left and right sides of the bottom side walls of workbenches, fixing sleeves matched with support feet are arranged on left and right sides of the top of the workbench on the lower side, bolt rods are inserted in left and right side walls of the fixing sleeves in a penetrating manner, adjusting devices are arranged on the bottom side walls of the support feet on the lower side, and bottom plate devices are arranged on bottom side walls of the adjusting devices. The hinged support feet in the device can be rotated to behidden in bottoms of the workbenches, so that transportation and storage are facilitated, when sliders slide to one side close to the support feet, the support feet are kept in a vertical state, stability of the support feet is strengthened, accidental shaking is avoided, and work of the device is facilitated; the bolt rods are inserted in inner cavities of penetrating holes, the upper scaffold and the lower scaffold are more stably connected, and assembly of the device is facilitated.

The invention discloses a refrigerating device. The refrigerating device comprises a box body (100) with an opening, a door body (200), a power use part (201) and a connecting wiring harness (300), wherein the box body (100) is provided with a first side and a second side opposite to the first side; the door body (200) is hinged with the box body (100), and is used for opening or closing the opening of the box body (100); the extension direction of a hinge shaft (Z) is perpendicular to the direction of the first side pointed to the second side; the power use part (201) is positioned in the door body (200); and the connecting wiring harness (300) extends from the box body (100) into the door body (200), and is used for realizing electric connection of the power use part (201). The refrigerating device further comprises a wire passing cavity (110) positioned in the box body (100), or a wire arrangement groove (210) positioned in the door body (200). The refrigerating device can save materials and reduce the number of assembly parts.

The invention discloses a muck remover of a TBM main belt conveyer, which comprises a hollow TBM main girder and the main belt conveyer arranged in the TBM main girder, and a second belt conveyer is arranged under the main belt conveyer. Compared with the prior art, the muck remover of the TBM main belt conveyer, which is provided by the invention, can effectively remove much dropping from the main belt conveyer in the girder section, greatly increase the working efficiency of a tunnel boring machine (TBM), shorten the construction period and reduce manpower, the structure of the muck remover of the TBM main belt conveyer is simple, and the number of components is less.

The invention relates to a splicable lamp holder and a lamp. The splicable lamp holder at least comprises two lamp holder member units, any one lamp holder member unit comprises a connector, at least three light source fixing bases, an installing part matched with the light source fixing base, wherein the connector is branch structure for connecting the light source fixing bases with the installing part together; the light source fixing bases and the installing part are respectively installed on different tails of a branch, the light source fixing bases are provided with a plurality of screws with circle centers in the same circumference, the installing part is provided with a plurality of through holes corresponding to the screws, one light source fixing base of the lamp holder member unit is installed on one installing part of the other lamp holder member unit, a proper number of lighting units and light sources can be selected to assemble the lamp holder. The lamp holder and the lamp has the advantages of easiness for manufacture, low assembling requirement, fewer assembling parts and low cost simultaneously; the lamp holder is beneficial to the exertion of the individual subjective initiative so that changeful lamp holders can be easily spliced according to the personal preferences.

The invention discloses a liquid pump. The pump comprises a pump body made of full-plastic materials, a pressing pump head, a combination cover, a threaded cover, a piston assembly, a connecting pieceand a valve piece, wherein a spring cavity is formed inside the pressing pump head, a sealed spring is arranged inside the spring cavity, and the sealed spring and the spring cavity form an air pressure type elastic pressing structure; a water retaining structure is arranged between the pressing pump head and the combination cover; and the pressing pump head and the piston assembly are connectedin a sealed mode through an anti-pull-off structure, and the piston assembly penetrates the interior of the connecting piece and is connected to the connecting piece in an opening and closing mode through an opening and closing structure. Through the design of a waterproof structure, the risk that external water leaks into a liquid container to cause liquid bacteria in a using process of the liquid pump is avoided, the problem of damage or liquid leakage during falling is solved by designing new structural force such as pull-off prevention and rotation stopping on each part and through a toughening material, and the overall sealing performance is improved.

The invention discloses a variable-air-gap-type magnetostrictive vibration energy collector and a method thereof. The left side of a bottom plate of the vibration energy collector is vertically provided with a fixing support structure and the right side of the bottom plate is provided with a groove. A permanent magnet is vertically placed in the groove. The right side of the upper end of the fixing support structure is provided with a groove. A hinge displacement amplifying structure is vertically placed in the groove. The middle of the bottom plate is provided with a threaded hole. A lower tightening screw is arranged in the threaded hole. An upper fixing part and a magnetostrictive material are sequentially arranged between the hinge displacement amplifying structure and the lower tightening screw from top to bottom. A pickup coil evenly winds the surface of the magnetostrictive material. An air gap exists between the upper end face of the permanent magnet and the lower surface of the hinge displacement amplifying structure. The length of the air gap changes under the action of a vibration source. The collector can also be expanded to a vibration energy collector in which two or more kinds of magnetostrictive materials work independently. The collector is compact in structure, assembled parts are fewer and easy to replace, and the collector is applicable to collection of vibration energy for large-power electrical-energy output under a high-load vibration source.

A minor-caliber rapid connection pipeline joint comprises a joint pipe and glands, wherein the two ends of the joint pipe are sleeved with the glands. The glands and the joint pipe are detachably connected through threads. A snap ring base is arranged on each end of the joint pipe. One end of each snap ring base extends into the joint pipe and abuts against a sealing ring arranged in the joint pipe. The other end of each snap ring base is provided with an elastic snap ring. Each elastic snap ring comprises a ring body and claw teeth. A boss is arranged inside each gland and close to the end of the joint pipe. Each boss is provided with an annular protrusion protruding in the direction of the corresponding claw teeth. Grooves are formed by the inner walls of the glands, the bosses and the annular protrusions. The ring bodies are arranged in the grooves and the annular protrusions abut against the inner rings of the ring bodies. The minor-caliber rapid connection pipeline joint has the advantages of being simple in structure, low in production cost, high in stability, firm in fixation, convenient to install, capable of saving energy and the like.

The invention discloses a simplified drainage device of a pulsator washing machine, which is characterized by comprising a cover plugging device (1), a connecting device (2) and an overflow pipe (3). The device formed by the cover plugging device, the connecting device and the overflow pipe are arranged at the position of a pipe port of a downpipe of an inner barrel to plug the downpipe of the inner barrel, and discharging of washing water in the inner barrel is controlled by promotion, demotion, opening and closing of the cover plugging device pulled by a drainage switch button and a pulling belt, and simultaneously, redundant washing water in the inner barrel is discharged in an overflowing mode through the overflow pipe, the cover plugging device and the downpipe of the inner barrel. The simplified drainage device of the pulsator washing machine overcomes the shortcomings of complicate structure, high cost, low production efficiency, many fault points, large potential safety hazards and limited application, and reduces constituting components, glue sticky sealing points and occupation space by simplifying the structure, and a drainage system of the pulsator washing machine achieves purposes of lowering cost, improving production efficiency, reducing the fault points and potential safety hazards and being common and general.

The invention discloses child doodling chair equipment. The child doodling chair equipment comprises a doodling chair and a drawing board; the doodling chair comprises a chair back, a seat board and chair legs; the two sides of the upper portion of the drawing board of the drawing board are fixed on the chair back, the two sides of the lower portion are fixed on the chair legs arranged on the back portion of the doodling chair, the top of the chair back is connected with a drawing paper scroll in a hinged mode, a paper pressing rod is arranged under the drawing paper scroll, the two ends of the paper pressing rod are fixed on the two sides of the chair back, a drawing paper take-up scroll is arranged under the drawing board, and the two ends of the drawing paper take-up scroll are hinged to the chair legs arranged on the back portion of the doodling chair. The child doodling chair equipment achieves the functions of enabling children to sit comfortably and doodle freely, is suitable for the preschool children of different heights and meets the requirements of different postures when the children doodles and draws, and the operation mode is easy to learn. The child doodling chair equipment is less in combination parts, free of unnecessary connecting parts and bad contacts, cute, vivid and humorous in design and active and optimistic in implication, and confirms with the usage environment and behavior style of the children.

The invention discloses an automatic intercepting device of a logistic sorting track. The automatic intercepting device is characterized in that a cylinder is arranged at a support, an output shaft of the cylinder is movably connected with one end of a rocker rod by a movable connector, the other end of the rocker rod is connected with one end of a clothes selecting rod, a fixed rotary shaft is disposed close to the other end of the rocker rod, a clothes receiving rod is arranged at the support, and a connecting rod conveyor belt is disposed on one side of the clothes selecting rod and the clothes receiving rod. The automatic intercepting device is smart in design and conception, high in operation precision, low in error rate, simple in structure and convenient in daily maintenance, and has excellent practicality and stability, work efficiency of an integral system is effectively improved, assembled components are fewer, service cost of equipment is effectively lowered, market competitiveness of the integral system is enhanced, and compared with the prior art, the automatic intercepting device has the advantages of practical novelty and remarkable improvement.

A mobile wireless communications device includes a housing and main circuit board carried by the housing and having circuitry thereon. A keyboard circuit board is carried by the lower portion of the housing and has a keyboard section and keyboard circuitry thereon connected to circuitry on the main circuit board. An antenna section on the keyboard circuit board is configured as an antenna and positioned at the lower portion of the housing and has a pattern of conductive traces forming an antenna circuit and connected to the circuitry on the main circuit board. The keyboard circuit board preferably comprises a flex circuit.

The recoverable impact-resistant multi-stage yielding device comprises a slow-release resistance-increasing part, the slow-release resistance-increasing part comprises a sealed container connected with a tray into a whole, the section of the sealed container is of an annular structure, the sealed container is provided with a pressure release valve, the sealed container is filled with compressible gas to serve as a resistance-increasing medium, a piston is arranged in the sealed container, and the pressure release valve is arranged in the piston; the anchor rod is located outside the surrounding rock, penetrates through the sealed container and the inner diameter of the piston and is connected with the timely yielding component. The timely yielding component comprises at least one elastic piece, one end of the elastic piece is connected with the piston of the slow-release resistance-increasing component, the other end of the elastic piece is connected with a limiting piece which is connected to the anchor rod in a sliding mode, and the elastic piece is fixedly connected with the anchor rod through a fastening piece; the elastic resistance of the elastic piece is smaller than the resistance of the slow-release resistance-increasing component. And the elastic part of the timely yielding part is arranged to be fixed by a fastener after being compressed for a stroke when the multi-stage yielding device is connected with the anchor rod.

A palm-operated window breaker consists of a base plate with a sharp head and a silicon rubber case and is characterized in that the sharp head is made of a big-hardness material and is bonded in a groove formed in the center of the base plate stamped from a metal plate by using an adhesive, the operated window breaker consists of a base plate with a sharp head and a silicon rubber case is pressedinto a base plate capable of sleeving the sharp head by using a mold, one side of the silicon rubber case is a bonding side, the other side of the silicon rubber case is an advertising side, the bonding side has a bonding function and can be firmly bonded at the corner position of a vehicle window, the advertising side of the silicon rubber case can be printed with striking advertisings, two clamps are arranged at the lower portion inside the silicon rubber case and can clamp the base plate and form a three-point plane with the sharp head, the base plate is clamped so as to produce a certaindistance with the bonding side, and the sharp head can be ejected into the glass and break the glass with one action when the glass is broken with one action. The groove stamped for fixing the sharp head by adopting a concave-convex technology is adopted at the center of the base plate, the sharp head is clamped into the groove and is reinforced by using the adhesive, and the sharp head and the base plate form a whole. The base plate with the sharp head is plugged into the corresponding silicon rubber case to form a finished product.

An integrated heat dissipation structure for a power electronic device is disclosed. The heat dissipation structure includes a machine box main shell body; at least one seal cavity is fixedly mountedin the shell body; pins of the power electronic device orient upwardly to be fixedly welded to a circuit board to form a circuit board assembly; insulation paste with high heat conductivity coefficient is potted into the seal cavities; and the circuit board assembly orients downwardly with a heat dissipation surface of the body of the power electronic device, so that the body of the power electronic device penetrates into the seal cavities, and the insulation paste with the high heat conductivity coefficient seals the heat dissipation surface of the body of the power electronic device.

The invention provides a hooking type instrument element mounting plate. The mounting plate is arranged in an instrument room of a switch cabinet; an upper bent beam is mounted on a top plate of the instrument room; a long square hole for hooking is formed in the front side of the upper bent beam; a lower bent beam is mounted at the lower part of a sealing plate mounted on the rear side of the instrument room; the upper part of the element mounting plate is provided with a folded bent hook; the bent hook is hung on the long square hole in the upper bent beam; and the lower part of the element mounting plate is fastened on the lower bent beam of the instrument room through bolts. The hooking type instrument element mounting plate provided by the invention has the benefits as follows: during element mounting, the mounting plate provided by the invention can be taken down quickly to be separated from a cabinet body, then an element is mounted on the mounting plate, and after mounting is completed, the mounting plate is mounted on the cabinet body; and the structure is simple. Since assembled parts are fewer, the mounting is simpler; in addition, unhooking and hooking are convenient since a hooking manner is adopted. The conventional element mounting plate fixing manner is that the element mounting plate is hung on a side plate on one side, but the hooking type element mounting plate provided by the invention adopts top hooking, so that balance stress and stable fastening are realized.