32results about How to "Avoid loosening and shifting" patented technology

The invention discloses a front auxiliary frame and engine suspension connecting structure. The connecting structure comprises an auxiliary frame upper plate, an auxiliary frame lower plate, and an engine suspension arranged between the auxiliary frame upper plate and the auxiliary frame lower plate; the auxiliary frame lower plate is provided with a bolt through hole upwards vertically penetrating through an engine suspension and the auxiliary frame upper plate; a fastening bolt extending out of a bolt through hole in the auxiliary frame upper plate is inserted in the bolt through hole from bottom to top; a protecting ring surrounding a bolt head of the fastening bolt is arranged on the lower side surface of the auxiliary frame lower plate; the protecting ring includes a cylindrical vertical ring connected with the auxiliary frame lower plate; and the lower edge of the vertical ring is inwards bent to extend to form a transverse reinforcing ring, so that the cross section of the protecting ring is L-shaped. The connecting structure is simple in structure, can effectively protect the bolt head for connecting the engine suspension with a front auxiliary frame from being scratched and collided by a ground projected object in advancement or retreating of a vehicle, and facilitates improvement of the vehicle driving safety.

The invention relates to a construction embedded part used in external wall thermal-insulation composite wall and a usage of the construction embedded part. The construction embedded part comprises a bolt or a screw used for fixing ornaments on the decoration surface of the external wall and a sleeve used for fixing and clamping the bolt or the screw. Threads matching with the bolt are arranged in the sleeve, or a structure which can clamp the screw is filled in the sleeve. A base disk, the diameter of which is larger than that of the sleeve, is blocked in the outer end opening of the sleeve; a clamping disk, the diameter of which is larger than that of the sleeve and the position of which is adjustable, is blocked at the waist part of the sleeve; and the base disk and the clamping disk work together to fix the embedded part on a thermal-insulation layer. The technical characteristics of the embedded expansion bolt strengthens the connecting effect of the composite wall, reduces, even avoids the loose and displacement caused by the impact of the falling concrete during the process of pouring; and the embedded expansion bolt also simplifies the difficulty of the construction and reduces the cost of equipment.

The invention discloses a horizontal-expansion lumbar vertebrae intervertebral fusion machine which can achieve minimally invasive implantation and relates to the field of medical apparatus and instruments. The fusion machine comprises a fusion machine body and a movable part, the movable part is arranged to slide along an inner cavity of the fusion machine body, a blocking part is fixedly arranged at one end of the fusion machine body, and the blocking part is arranged to prevent the movable part from being separated from the fusion machine body. The upper side surface and the lower side surface of the fusion machine body are provided with rough patterns. The inner cavity is provided with a first hole which runs through the inner cavity up and down and/or a second hole which runs throughthe inner cavity front and back. According to the lumbar vertebrae intervertebral fusion machine, the three-dimensional scale of the fusion machine is small before the fusion machine is spread, the fusion machine can be horizontally spread and expanded after the fusion machine is invasively implanted into the intervertebral gap through the intervertebral hole admission passage, the large bone grafting bed area can be provided, the main body supporting area that the fusion machine is in contact with an end plate is also greatly increased compared with a traditional fusion machine, the good initial stability can be achieved, the intervertebral fusion rate can be further improved, and the fusion machine helps to effectively lower sedimentation of the fusion machine.

The invention discloses an automotive engine which comprises a body, a crankshaft and an air conditioner generator. The air conditioner generator comprises a stator and a rotor and is disposed at the front of the automotive engine and driven by a crankshaft of the automotive engine. An axis of the stator of the air conditioner generator and an axis of a main journal of the crankshaft of the automotive engine are coaxial. The automotive engine is capable of powering a vehicular air conditioning system. The air conditioner generator is disposed at the front end of the crankshaft of the automotive engine and needs no belt drive. The engine is simple in structure, and accordingly integral structural layout of the vehicular air conditioning system is facilitated.

The invention discloses a fastening safety device of a continuous sending clip applicator, and a feeding device for deadlocking or opening of the continuous sending clip applicator. The continuous sending clip applicator includes a pushing handle, a pipe rod and a clip head arranged at the front end of the pipe rod. The pipe rod is internally provided with the feeding device, a push-pull rod and astorage bin. The fastening safety device includes a fixed part, a gear assembly and a safety shaft. The gear assembly is used for pushing a transfer piece to move; the gear assembly is arranged on the fixed piece through the safety shaft and rotates relative to the fixed piece; the safety shaft is used for deadlocking or opening of the gear assembly, the transfer piece is prevented from retreating back when the continuous sending clip applicator is used normally, and a drive piece can be prevented from pushing the transfer piece to go ahead due to misoperation, an opening/closing clip is prevented from entering the clip head, and clamping of the opening/closing clip by the clip head is prevented from being affected. The fastening safety device makes the use of the continuous sending clipapplicator safer, more reliable and smoother.

The invention relates to a carbon fiber heating sheet, a production method and a heating physiotherapy device. A carbon fiber heating sheet comprises a carbon fiber heating bundle, Electrode strips bonded by conductive adhesive and in electrical contact with the carbon fiber heating beam are respectively coated on both sides of the carbon fiber heating beam, and conductive cloth which is laid along the length direction of the electrode strips and in electrical contact with the carbon fiber heating beam and the electrode strips respectively is composed of the electrode strips and the carbon fiber heating beam in the length range in contact with the carbon fiber heating beam. A manufacture method comprises that follow steps of: 1) arranging carbon fiber heat bundle on a base cloth to form acarbon fiber layer; 2) spraying a non-conductive adhesive on that carbon fiber lay and leaving an electrode strip laying position, and the electrode strip laying position is not sprayed with the non-conductive adhesive; 3) spraying conductive adhesive on that electrode strips to make the electrode strip adhere to the carbon fiber layer to form an electrode strips lay; 4) laying a conductive clothalong that length direction of the electrode strip, wherein the conductive cloth is respectively in electrical contact with the carbon fiber lay and the electrode strip; 5) laying upper cover cloth toform an upper cover cloth layer, and bonding the upper cover cloth layer with a base cloth, a carbon fiber layer and a conductive cloth by glue.

A quick double-sided plug-in device includes a base, and two clamping blocks and a driving device that are mounted on the base. A first installation part extending transversely is disposed in the middle of the upper surface of the base, and a PCB is mounted on the first installation part. Moving devices are disposed on the base on both sides of the first installation part, the clamping blocks aremounted on the moving devices, multiple components are mounted on the clamping blocks, and the driving device drives the moving devices to drive the clamping blocks to move and close oriented to the direction of the first installation part, in order to plug the components in the PCB; or move and open oriented to the direction away from the first installation part to disengage the components from the clamping blocks. The device can plug in the multiple components at one time, and so, the work efficiency is greatly improved, and the artificial labor intensity is reduced; and the device can ensure balanced contact between the components and the PCB during plugging and can ensure uniform length of plug-in mounting and the alignment accuracy of the multiple components. In addition, the plug-indevice of the invention can be applied to the plug-in mounting of the components of various specifications, has a wide application range, is strong in practicability, and has strong promotion significance.

The invention discloses an automobile engine which comprises an engine body, a crankshaft and an air conditioner generator. The air conditioner generator comprises a stator and a rotor and is placed on the front portion of the automobile engine and driven by the crankshaft of the automobile engine, and the axis of the stator of the air conditioner generator is coaxial to the axis of a main shaft neck of the crankshaft of the automobile engine. The automobile engine can supply power to vehicle-mounted air conditioner systems, and the air conditioner generator is arranged at the front end of the crankshaft of the automobile engine. The automobile engine requires no belt for driving and is simple in structure and convenient for the vehicle-mounted air conditioner system to adopt the whole distribution structure.

The invention discloses an automobile engine which comprises an engine body, a crankshaft and an air conditioner generator. The air conditioner generator comprises a stator and a rotor and is placed on the front portion of the automobile engine and driven by the crankshaft of the automobile engine, and the axis of the stator of the air conditioner generator is coaxial to the axis of a main shaft neck of the crankshaft of the automobile engine. The automobile engine can supply power to vehicle-mounted air conditioner systems, and the air conditioner generator is arranged at the front end of the crankshaft of the automobile engine. The automobile engine requires no belt for driving and is simple in structure and convenient for the vehicle-mounted air conditioner system to adopt the whole distribution structure.

The invention discloses an LED lamp support convenient to assemble. The LED lamp support comprises a support body which is provided with at least one installation slot communicated with the inner space of an LED lamp bead installation groove. An elastic metal sheet is inserted in each installation slot and can protrude or retract into the installation slot in the height direction of the installation slot. The elastic metal sheets penetrate through the side wall of the LED lamp bead installation groove from the installation slots and extend to an LED lamp bead installation space. The head portion of each elastic metal sheet is located at the position where the head portion can compress the side face of an LED lamp bead, and elastic pins are arranged on the side faces of the elastic metal sheets and opposite to the LED lamp bead and can exert upward action force on the elastic metal sheets. The lowest portion of each elastic pin is lower than the lower edge of the corresponding elastic metal sheet and abuts against the bottom of the installation slot. The LED lamp support convenient to assemble is simple in structure, easy to produce and assemble, and suitable for mass production, assembly convenience is guaranteed, production efficiency is greatly improved, the heat dissipation property of the LED lamp bead is also guaranteed, and the product reject ratio is lowered.

The invention discloses a self-adaptive gas check for a die pad on a punching machine. The self-adaptive gas check is characterized by comprising a fixed seat and a piston, wherein an air bag or a cylinder body of an air cylinder is fixedly connected to the lower end of the fixed seat in a sealing manner; the fixed seat is provided with a first air passage, and the piston is arranged in the fixedseat and is in sealing sliding fit with the fixed seat; a spring mounting cavity is formed in the lower end of the piston, and the spring mounting cavity communicates with the first air passage; a spring is arranged in the spring mounting cavity and abuts between the piston and the fixed seat; the piston is provided with a second air passage which communicates with the first air passage; a sealingring is fixedly arranged on the upper end face of the piston, and the sealing ring abuts against the lower end face of a sliding block gas storage cavity; and the second air passage communicates withthe sliding block gas storage cavity. The self-adaptive gas check has the advantages of good sealing performance and convenience installation, no rigid connection such as bolts and positioning devices are needed at a gas-tight connecting opening between the gas check and the sliding block gas storage cavity, the loosening and displacement conditions of the gas check and the sliding block gas storage cavity are avoided, and meanwhile, maintenance is further very simple.

The invention discloses an automotive engine which comprises a body, a crankshaft and an air conditioner generator. The air conditioner generator comprises a stator and a rotor and is disposed at the front of the automotive engine and driven by the crankshaft of the automotive engine. An axis of the stator of the air conditioner generator and an axis of a main journal of the crankshaft of the automotive engine are coaxial. The automobile engine can supply power for the vehicular air conditioning system, the air conditioner generator is disposed at the front end of the crankshaft of the automotive engine and needs no belt drive. The engine is simple in structure, and accordingly overall structural layout of the vehicular air conditioning system is facilitated.

The invention relates to the technical field of transformers, in particular to a magnetic expansion coil winding power mechanism which comprises a support, an electromagnet, an expansion shaft and a rotating assembly. The expansion shaft is provided with a first expansion plate and a second expansion plate; and the expansion shaft is movably provided with an expansion block used for driving the first expansion plate and the second expansion plate to move. The expansion block moves along the axial direction of the expansion shaft; the end, close to the electromagnet, of the expansion block extends out of the expansion shaft and then is connected with a permanent magnet. The coil framework is fixed through the expansion shaft, fixing is stable and reliable, and the situation that the productquality is reduced due to the fact that the framework loosens and shifts in the coil winding process is prevented; the expansion torque is transmitted in a non-contact mode through an electromagneticfield, the service life is greatly prolonged, and the stability is greatly improved; and the magnetic field intensity output by the electromagnet can be adjusted by adjusting the magnitude of the current, so that the expansion force is adjusted to meet the fastening force requirements during winding of coils with different wire diameters, and the applicability to production of different productsis improved.

A chip packaging structure disclosed by the present invention comprises a cover plate, a cover plate, a chip body, a substrate, a supporting plate and a base, the middle part of the substrate is provided with an inner concave cavity, the chip body is fixed in the inner concave cavity, the cover plate is pressed on the top surface of the substrate, the supporting plate is connected to the bottom surface of the substrate, the supporting plate is installed in the base, and the cover plate is attached to the upper surface of the cover plate and matched with the base in a clamped mode. According to the invention, the substrate with the concave cavity structure is adopted to fix and paste the chip body, so that limiting installation is facilitated in the packaging process, and the cover plate, the substrate and the supporting plate are sequentially nested and inserted from top to bottom to form a stable interlayer whole, so that the chip body is effectively prevented from loosening and shifting; after the interlayer is integrally fixed in the cover plate and the base, compact and firm packaging is carried out, a simple and light integral structure is formed, and the protection stability and the sealing reliability of the integral structure of the device can be improved.

A linkage joint for a large-diameter hydraulic pipe and a small-diameter hydraulic pipe comprises the first hydraulic pipe, the second hydraulic pipe and a pipe joint body used for connecting the first hydraulic pipe with the second hydraulic pipe. The linkage joint is characterized in that the pipe joint body comprises an annular fastening ring and a connecting piece; a first thread and a second thread which are used for linkage and clamping are formed on the outer circular face of the fastening ring and the inner circular face of the connecting piece correspondingly; the first hydraulic pipe is installed in the connecting piece in a sleeved mode; the second hydraulic pipe is tightly clamped in the inner ring of the fastening ring; the fastening ring is embedded in the connecting piece through clamping of the first thread and the second thread; a plurality of openings used for installing positioning pins are formed in the position where the connecting piece and the fastening ring are clamped. By the adoption of the design, the large-diameter hydraulic pipe and the small-diameter hydraulic pipe can be well linked; in addition, installation is convenient, the service life is long, the hidden danger of leakage is avoided, and normal production can be carried out for a long time.