66results about How to "Change at will" patented technology

The invention provides a wideband digital frequency-selecting wireless repeater system and a wideband signal digital frequency-selecting method thereof. The donor antenna output terminal of the systemThe invention provides a wideband digital frequency-selecting wireless repeater system and a wideband signal digital frequency-selecting method thereof. The donor antenna output terminal of the systemis connected with a retransmission antenna input terminal by an donor terminal diplexer, a downlink radio frequency receiver subsystem, a downlink wideband digital intermediate frequency processing s is connected with a retransmission antenna input terminal by an donor terminal diplexer, a downlink radio frequency receiver subsystem, a downlink wideband digital intermediate frequency processing subsystem, a downlink radio frequency transmitter subsystem, and a mobile terminal diplexer in sequence; a retransmission antenna output terminal is connected with a donor antenna input terminal by a mubsystem, a downlink radio frequency transmitter subsystem, and a mobile terminal diplexer in sequence; a retransmission antenna output terminal is connected with a donor antenna input terminal by a mobile terminal diplexer, an uplink radio frequency receiver subsystem, an uplink wideband digital intermediate frequency processing subsystem, an uplink radio frequency transmitter subsystem, and a doobile terminal diplexer, an uplink radio frequency receiver subsystem, an uplink wideband digital intermediate frequency processing subsystem, an uplink radio frequency transmitter subsystem, and a donor terminal diplexer in sequence. The invention can be applied to communication systems such as GSM, CDMA, DCS, JDC, TD-SCDMA, WCDMA, CDMA2000, and the like, thereby forming wideband digital frequencnor terminal diplexer in sequence. The invention can be applied to communication systems such as GSM, CDMA, DCS, JDC, TD-SCDMA, WCDMA, CDMA2000, and the like, thereby forming wideband digital frequency-selecting wireless repeater systems with different communication formats and any signal bandwidth.y-selecting wireless repeater systems with different communication formats and any signal bandwidth.

The invention discloses an exoskeleton finger rehabilitation training device and a using method thereof. The exoskeleton finger rehabilitation training device comprises an exoskeleton finger rehabilitation training mechanism, and the exoskeleton finger rehabilitation training mechanism comprises a support base, a finger sleeve actuation mechanism and knuckle finger sleeves connected with the poweroutput end of the finger sleeve actuation mechanism; the knuckle finger sleeves can sleeve the peripheries of the knuckles to be rehabilitated and drive the knuckles to be rehabilitated to be passively bent / stretched under the power actuation of the finger sleeve actuation mechanism; the support base comprises a profiled shell, the inner surface of the profiled shell is set according to the profile of a complete palm back surface or a part of the palm back surface, and the back surface of the profiled shell is provided with a power fixing base; the power part of the finger sleeve actuation mechanism is installed on the power fixing base; when the knuckles to be rehabilitated undergo rehabilitation exercise, the finger sleeve actuation mechanism is located at the outer side of the palm. Therefore, the exoskeleton finger rehabilitation training device does not influence the gripping action of a patient, and the complete activity space for the rehabilitation of the patient can be achieved.

The invention discloses a wall lamp with bulbs capable of being replaced at will. The wall lamp comprises a bottom plate, a protection shell and the bulbs. The wall lamp is characterized in that the bottom plate is provided with a rotation base, a drive mechanism capable of controlling rotation of the rotation base is arranged in the protection shell, the bulb style can be rapidly switched, and after the wall lamp is installed, the bulb style can be changed at will according to requirements of users, the work efficiency is improved, and convenience is brought to people; and meanwhile the walllamp is simple in structure and convenient to use.

The invention discloses a production technology for soft particle baits and a material pressing device for storing the soft particle baits. The production technology for the soft particle baits comprises the following steps that raw materials are mixed and stirred evenly; water and medicinal liquor are added, and even stir is carried out, so that a sticky bait material is formed; high-temperature sterilization treatment is carried out on the bait material, and the bait material enters a forming device, and is injected into a barrel of the material pressing device; a rotary material pressing assembly of the material pressing device is assembled, after the bait material is cooled to the normal temperature, the bait material is sleeved with a vacuum packaging bag, and vacuum pumping packaging is carried out. The material pressing device for storing the soft particle baits comprises the barrel and the rotary material pressing assembly, wherein one end of the barrel is connected with a taper sleeve, a sealing nut is arranged on the side, far away from the barrel, of one end of the taper sleeve, and the rotary pressing assembly comprises a lead screw, a fixing cover and a sliding block. The production technology for the soft particle baits and the material pressing device for storing the soft particle baits have the advantages that the bait material can be stored for a long time, a fishhook can penetrate through the soft particle baits in place at one step, the soft particle baits immediately pulverize after being thrown into water, and can rapidly lure fishes, the thickness of the soft particle baits can be changed at will, the length of the soft particle baits can be determined at will through pressing, convenience and simpleness are achieved, and recycling storage and repeated use of the baits can be achieved until the soft particle baits are used up.

The invention discloses a multifunctional comprehensive ocean platform device and system. The multifunctional comprehensive ocean platform device comprises a top chamber, a bottom buoyancy tank and a plurality of connecting columns fixedly connected between the top chamber and the bottom buoyancy tank. The top chamber and the bottom buoyancy tank are respectively an airtight cavity. The bottom buoyancy tank is a free buoyancy tank with the intracavity volume controllable. A regular-hexagon flat plate is horizontally arranged at the middle height position of the top chamber and along the peripheral surface of the top chamber. A connecting portion is arranged on any edge of the regular-hexagon flat plate and comprises a groove portion located in the edge of the regular-hexagon flat plate and a protruding portion which is correspondingly located at the same vertical position as the groove portion and protrudes out of the edge of the regular-hexagon flat plate. The multifunctional comprehensive ocean platform device and system have the advantages of deformability, connection flexibility, structural stability and the like.

A transmission optical system includes a plurality of image forming optical systems arranged apart from one another. Each of the image forming optical systems causes bending of light rays when the light passes through symmetric planes constituting one flat plane and reverses the appearing order of the light rays with respect to the symmetric planes when forming an image. An image of a projected object arranged on one of the symmetric planes can be formed as a real image on the other of the symmetric planes. The image forming optical system nearest from the projected object forms an image of the projected object by passing through the symmetric planes for projection while the other image forming optical systems form on the other of the symmetric planes for projection, an image of the imageformed and projected by the image forming optical system adjacent to the projected object side. Thus, the image of the projected object successively passes through the image forming optical systems for image formation, so that a 3-dimensional object and a 2-dimensional image are transferred to positions spatially apart from each other so as to form a 3-dimensional image and a 2-dimensional image,respectively, which can be observed.

The invention discloses a mechanical experiment loading device with a two-parameter control. The mechanical experiment loading device comprises a steel wire rope, a fixed pulley, a fixed pulley bearing fixed bracket, a motor, a load control loading part, a displacement control loading part and a belt pulley set, wherein the load control loading part comprises an adjusting extension spring and a force sensor; the displacement control loading part comprises a displacement sensor and a displacement sensor bracket; the steel wire rope gets through the fixed pulley and is connected with the belt pulley set; the fixed pulley is fixed on the fixed pulley bearing fixed bracket; the belt pulley set is connected with the motor; and a load control loading mode and a displacement control loading mode can be adopted. The experiment loading device satisfies requirements such as a large stroke, an extensive frequency application scope, capability of freely switching between the load control and the displacement control, high precision and the like, is convenient to use, low in cost, easy to dismount and move, and convenient to flexibly adjust according to different research needs. The mechanical experiment loading device can be applicable to relevant static, dynamic or fatigue experiments in engineering fields such as aerospace, civil construction, ocean and ships, machinery and the like.

The invention provides a character display system and method, wherein the system comprises: a rotating component (1), power sources (2, 9), a plurality of LED (Light-Emitting Diode) lamps (3) which are arranged in an array on the rotating component (1) and connected to the power source (2), a display control unit (4) which is electrically connected with the power source (2) and in communication connection with the plurality of LED lamps (3), a character memory unit (5), a character editing unit (6), a character transmission unit (7), and a character receiving unit (8), wherein the power source (2) is connected to the rotating component (1). The system provided by the invention is capable of enabling the user to define the display contents on the LED lamps on the rotating component through the character edition unit, thereby enhancing interactivity and playability.

The invention discloses a lightweight picture conversion method, and relates to the field of Internets. The method comprises the following steps that: a reverse proxy server forwards an acquired picture request to a rear-end Internet server, and loads a picture transcoding module; the picture transcoding module receives the picture request, and submits a picture to a rear-end picture server; and the rear-end picture server transmits original information of the picture to the picture transcoding module for transcoding, and transmits the transcoded picture back to the reverse proxy server to finally transmit the transcoded picture back to a client to complete the picture request. According to the lightweight picture a conversion method, no special third-party picture transcoding server is set, but the customized picture transcoding module is loaded in a front-end reverse proxy server to transcode the picture, so that the operation cost of an Internet operator is effectively reduced; theflexibility of picture transcoding is improved; and a user can randomly change transcoding parameters at any time to achieve a system changing aim.

The invention provides a number identification template of an off-road vehicle license plate number, a spray-painting method and an advertising board. The number identification template comprises a plurality of independent character plates. A character is hollowed out and carved in each character plate. Each character plate comprises a base plate and a hollowed-out character in the base plate. Magnets with different magnetic polarities are arranged on the two left and right opposite lateral sides of each character plate correspondingly. The magnets on the same lateral sides of all the character plates with the magnets have the same magnetism. The template made of a magnetic material is suitable for a carrier capable of magnetically attracting materials; through the magnetism of different side faces on the number identification character plates, it is avoided that the characters are set upside down, the number identification accuracy and efficiency are improved, and the efficiency of identification spray-painting manufacturing carried out through the magnetic number template is improved; and meanwhile, by means of the template made of the magnetic material, the reuse rate is increased, and material consumption is reduced.

The invention relates to the field of information, in particular to a system and a method for displaying commodity information on electronic tag screens, an issuer and a manager. The system comprises the issuer, the manager and more than one electronic tag screen. The method which corresponds to the system comprises the following steps that: A, the manager receives dynamic commodity display information which is edited by the issuer and corresponds to the more than one electronic tag screen, wherein the dynamic commodity display information comprises serial numbers of the electronic tag screens, and commodity information display contents and a commodity information display mode, which correspond to a certain electronic tag screen; B, the manager processes the dynamic commodity display information and converts the dynamic commodity display information into the displayable information of the electronic tag screens; and C, the managers transmits the processed displayable information to the electronic tag screens which correspond to the dynamic commodity display information, and the electronic tag screens display the displayable information. By the invention, the commodity information can be electronically operated.

The invention relates to a tool storage rack. The tool storage rack comprises a machine frame. Sliding wheels are arranged at the bottom of the machine frame. A storage groove is formed in the machine frame. A tool storage box is arranged in the storage groove. Storage cavities are formed in the tool storage box. Sponge mats are attached into the storage cavities. Oil bags are arranged in the sponge mats. The oil bags are filled with anti-rust oil. A plurality of thin pipes which can secrete out the anti-rust oil are attached to the surface layer of each oil bag. An electromagnet is arranged below the storage cavities. The electromagnet is connected with an external power source through the connection between the tool storage box and the storage groove. According to the tool storage rack, different storage boxes can be connected into the tool storage rack according to requirements, and different kinds of storage cavities can be designed in the tool storage box so as to store different tools; and the tool storage rack has the advantages that using is convenient, connection is stable, and the tools are unlikely to be damaged.

The invention relates to the technical field of material sorting, in particular to a material multi-stage multi-direction sorting control method and a computer program product thereof. Multiple stagesof twisting mechanisms arranged in a step shape are installed in a twisting zone, the whole control timing is controlled through an encoding window, specifically, through combination of pulse generated through a program and operation feedback of equipment, a star wheel virtual encoder is formed, and the coded value is increased uniformly when the equipment operates. Through combination of inlet detection photoelectricity and the virtual encoder, the length and the entering timing of materials entering the twisting mechanisms can be detected. After the length and the entering timing of the materials are worked out, the timing of the materials entering each stage of twisting mechanism and the timing of the materials separated from the twisting mechanism can be worked out. Thus, each stage of twisting mechanism can be controlled independently, that is, after the first material is separated from a first-stage twisting wheel, the second material can continue entering the twisting zone, andthus, the multiple cargoes needing to going to different directions can be twisted simultaneously in the same twisting zone.

The invention discloses UV grinding tool grease and a personalized grinding tool production method. The UV grinding tool grease comprises grinding materials, photoinitiator, reactive diluent, prepolymer and a container. The production technology process includes the steps of (1) preparing materials, (2) mixing the materials, (3) adding the materials into the container of the UV grinding tool grease, (4) enabling a user to squeeze out the UV grinding tool grease, (5) enabling the user to manufacture a personalized grinding tool required by the user, and (6) using ultraviolet light to irradiate to enable the personalized grinding tool to be solidified. The first three steps of the personalized grinding tool are completed in a manufacturer, and the user completes the later three steps of the personalized grinding tool. According to the UV grinding tool grease and the personalized grinding tool production method, a technical route of grinding tool production is initiated, the user takes part in grinding tool production, a new class, namely the grinding tool grease, is added into the grinding tool industry, the user can manufacture all kinds of grinding tools through the grinding tool grease provided by the manufacturer according to the personalized requirement of the user, the problem that some users can not buy non-popular grinding tools all the time is solved, the user can trim and change the shape of the grinding tool at will and at any time, and the solidified form of the grinding tool is determined until the user is satisfied.

The invention discloses an ankle moxibustion device, comprising a support and a plurality of moxibustion clamping devices. The support includes a supporting frame and a supporting bottom plate; one end of the supporting frame is rotationally connected to one end of the supporting bottom plate through a damping spindle and is kept inclined, and the moxibustion clamping devices are arranged on the supporting frame. The support that is in foldable V form allows the knee to be placed on the supporting bottom plate and be clamped via the moxibustion clamping devices on the supporting frame for thepurpose of moxibustion, the treatment receiving part of the ankle right faces moxa, and moxibustion treatment and hanging treatment can be achieved for the ankle; acupoints in different positions on the ankle can be treated at the same time, and treatment effect is greatly improved; supported hanging effectively prevents the skin from being prickled, treatment efficiency is greatly improved, and less time and manpower are consumed; the support is simple in structure, low in cost and convenient to manufacture. The ankle moxibustion device also has the advantages of good operation convenience and high operation speed.

The invention discloses an intelligent house, and relates to the technical field of building design. The intelligent house comprises a house body, wherein a plurality of cavities are formed in the wall of the house body, and contain furniture and household appliances connected with a turnover device; a plurality of cavities are formed in the floor of the house body and contain furniture and household appliances connected with a lifting device; the house body further comprises a control system controlling the turnover device and the lifting device. According to the intelligent house, modularized multiple functions of the house are achieved, and a kitchen, a living room, a dining room and a bedroom respectively have multiple purposes.

The invention discloses a neck moxa device which comprises a support frame and a plurality of moxa clamping devices. The support frame is vertically mounted on a clamping seat, the clamping seat is detachably clamped on a backrest of a stool, and the multiple moxa clamping devices are arranged on the support frame. The neck moxa device has the advantages that the neck moxa device can be supportedon the neck of a user by the support frame, moxa can be clamped by the moxa clamping devices and directly faces treatment positions of the neck, accordingly, moxa treatment can be carried out on the neck, and the moxa can be supported and suspended during treatment; the multiple moxa treatment clamping devices can be arranged on the support frame, accordingly, treatment can be simultaneously carried out on acupuncture points at different locations of the positions of the neck, and treatment effects can be greatly improved; the moxa is supported and suspended, accordingly, the skin of the usercan be effectively prevented from being pricked, the treatment efficiency can be greatly improved, the time and labor can be effectively saved, the support frame is simple in structure, low in cost and convenient to manufacture, and the neck moxa device can be conveniently and quickly operated.

The invention discloses a preparation method of a plastic plated piece. The preparation method comprises the following steps: a modified polyester film is adopted to carry out vacuum sputtering, then, hybrid printing is carried out on the modified polyester film, positive pressure suction plastic is carried out the modified polyester film to enable the modified polyester film to form the shape the same as that of the to-be-prepared plastic plated piece, and finally, injection molding is carried out to form a finished product. According to the invention, the non-stretched modified polyester film is taken as a composite film, so that the modified polyester film has better ductility compared with PET or PC, is suitable for large-area hook face decoration, and is high in dampproof and deformation resisting properties; and in addition, in combination with the advantages of vacuum sputtering and IMD (In-mold decoration), the plastic plated piece is excellent in effect and wear resistant, and the color and pattern can be changed at will.

The invention discloses a suction type granule transferring AGV and a method thereof. The AGV comprises a material pick-and-place mechanism, a lifting mechanism, a connecting mechanism, a protection mechanism, a cargo transferring mechanism and a walking mechanism, wherein the material pick-and-place mechanism achieves the acquisition and placement of the material; the lifting mechanism achieves the lifting movement of the pick-and-place mechanism in vertical direction, and the connecting mechanism provides a guidance of connecting and moving for the lifting mechanism and the material pick-and-place mechanism; the protection mechanism provides protection for the mechanisms inside; the cargo transferring mechanism achieves the transportation of the finished materials; and the walking mechanism can achieve all-round walking. The AGV achieves the rapid acquisition of the granular material, all-round transferring of the granular material by all-round walking, automatic unloading of the granular material, and hauling of large-scale processed products by cooperating with a trolley. In addition, the AGV adapts to various terrains and factory layouts, can change the transportation route freely, and has the advantages of high efficiency, intelligence and reliability, thereby providing the technical basis for the logistics link of unmanned factories.

The invention discloses a crystal decoration which comprises a crystal main body and a glass base, wherein the crystal main body stands on the glass base; a rectangular bump is arranged at the lower end of the crystal main body; the glass base is correspondingly provided with a plurality of rectangular through holes; and a transparent rubber block with a concave position is arranged on the corresponding through hole. According to the crystal decoration, the crystal main body and the glass base are in a concave-convex detachable structure, and the shape of the decoration can be optionally changed; and through a light emitting device on the glass base, the crystal decoration has an optical decoration effect, thus having an excellent ornamental value.

A 45-degree cutting frame of Roman head large lace is specifically composed of a frame body, a left angle supporting rod and a right angle supporting rod. The left angle supporting rod is arranged on the left frame face of the frame body. The right angle supporting rod corresponding to the left angle supporting rod is arranged on the right frame face of the frame body to form the whole 45-degree cutting frame of the Roman head large lace. When the 45-degree cutting frame is applied, after materials are fixed, the cutting process is finished at a time, and the work efficiency is greatly improved. By means of the 45-degree cutting frame, the angle of the left side and the angle of the right side of the large lace materials can be adjusted at will. By means of the 45-degree cutting frame, the cut scrap edge is very accurate in angle, and when the Roman large lace is spliced, the door frame fit goodness is very appropriate, and the quality of a door is greatly improved. By means of the 45-degree cutting frame, after panels are fixed, moving is not likely to happen, and safety accidents that the panels vibrate and the panels jump and hit people cannot be caused.

The invention discloses a crystal ornament, which comprises two parts: a crystal body and a glass base, the crystal body stands on the glass base, a rectangular protruding head is arranged at the lower end of the crystal body; a number of rectangular through holes are correspondingly arranged on the glass base, and the through holes A transparent rubber block with a concave position is installed on it; the crystal body and the glass base of the present invention have a concave-convex detachable structure, which can change the shape of the decoration at will, and a light-emitting device is installed on the glass base, which increases the optical The modification effect makes the present invention have better appreciation.

An adjustable sports sock relates to the technical field of clothes. The adjustable sports sock comprises a sock body, a sock leg, a rib top, a heel protection layer, a toe protection layer and an expandable ring, wherein the sock leg is arranged at the upper part of the sock body; the rib top is arranged at the upper end of the sock body; the heel protection layer is arranged at the rear part of the sock leg; the toe protection layer is arranged at the front end of the sock body; the expandable ring sleeves the sock body; the rib top is provided with an elastic adjusting belt; a fixing buckle is arranged on the sock leg; a strong-force magnetic tape is arranged on each of the heel protection layer and the toe protection layer; a strong-force magnetic tape is arranged on each of the rear part of the sock leg and the front part of the sock body. The adjustable sports sock has a simple structure and a reasonable design, and is convenient to operate; the length of the sock leg can be effectively adjusted to meet the requirements of different people, and parts of toes and heels can be changed randomly, so that the use rate of the sock is improved.

The invention discloses a novel series excited machine double-insulation structure which comprises a rotating shaft, an insulation sleeve and an iron core, wherein the insulation sleeve is coaxially assembled in the bore of the iron core, the rotating shaft is coaxially arranged in the insulation sleeve, an insulation commutator is assembled on the rotating shaft, and an insulation structure is arranged between one end face of the insulation commutator and the rotating shaft. Through the mode, the novel series excited machine double-insulation structure has simple processes and high precision, and the insulation sleeve is a ground part and has small jump; the product development is simpler, the insulation sleeve is formed by cutting so that the length of the insulation sleeve can be randomly changed, and the novel series excited machine double-insulation structure has economical efficiency; and the comprehensive cost is lower, because of the further improvement of the insulation sleeve technology and mass production, the comprehensive cost is greatly lowered, and the novel series excited machine double-insulation structure has good reliability.

The invention relates to the technical field of material sorting, and specifically discloses a material multi-level and multi-directional sorting control method and a computer program product thereof. In a torsion area, there is a multi-stage torsion mechanism in a stepped arrangement. The entire control timing is controlled through the coding window. Specifically, a star wheel virtual encoder is formed through the combination of pulses generated in the program and equipment operation feedback. When The encoding value will increase at a constant speed when the device is running. Through the combination of entrance detection photoelectricity and virtual encoder, the length and timing of the material entering the twisting mechanism can be detected. After calculating the length of the material and the timing of entering, the timing of the material entering each level of the twisting mechanism and the timing of leaving the twisting mechanism can be calculated. In this way, each stage of torsion mechanism can be individually controlled, that is, after the first material is separated from the first stage of torsion wheel, the second material can continue to enter the torsion area, so that the same torsion area can be twisted at the same time. Multiple shipments in one direction.

The invention provides a wideband digital frequency-selecting wireless repeater system and a wideband signal digital frequency-selecting method thereof. The donor antenna output terminal of the systemThe invention provides a wideband digital frequency-selecting wireless repeater system and a wideband signal digital frequency-selecting method thereof. The donor antenna output terminal of the systemis connected with a retransmission antenna input terminal by an donor terminal diplexer, a downlink radio frequency receiver subsystem, a downlink wideband digital intermediate frequency processing s is connected with a retransmission antenna input terminal by an donor terminal diplexer, a downlink radio frequency receiver subsystem, a downlink wideband digital intermediate frequency processing subsystem, a downlink radio frequency transmitter subsystem, and a mobile terminal diplexer in sequence; a retransmission antenna output terminal is connected with a donor antenna input terminal by a mubsystem, a downlink radio frequency transmitter subsystem, and a mobile terminal diplexer in sequence; a retransmission antenna output terminal is connected with a donor antenna input terminal by a mobile terminal diplexer, an uplink radio frequency receiver subsystem, an uplink wideband digital intermediate frequency processing subsystem, an uplink radio frequency transmitter subsystem, and a doobile terminal diplexer, an uplink radio frequency receiver subsystem, an uplink wideband digital intermediate frequency processing subsystem, an uplink radio frequency transmitter subsystem, and a donor terminal diplexer in sequence. The invention can be applied to communication systems such as GSM, CDMA, DCS, JDC, TD-SCDMA, WCDMA, CDMA2000, and the like, thereby forming wideband digital frequencnor terminal diplexer in sequence. The invention can be applied to communication systems such as GSM, CDMA, DCS, JDC, TD-SCDMA, WCDMA, CDMA2000, and the like, thereby forming wideband digital frequency-selecting wireless repeater systems with different communication formats and any signal bandwidth.y-selecting wireless repeater systems with different communication formats and any signal bandwidth.

The invention discloses a disposable endoscope linear cutting stapling device, which comprises a stapling device body, wherein a handle portion and a cutting portion are arranged at the two ends of the stapling device body; the cutting portion comprises a fixed part which extends from the stapling device body, and a closing part which can be opened and closed; the handle portion comprises a fixedhandle; a cutting blade is arranged in the middle of the fixed part, and suturing parts are arranged at the two sides of the fixed part; the suturing parts comprise suturing grooves and suturing instruments; and the stapling device body, the cutting portion and the handle portion are subjected to modular design. According to the technical scheme, the cutting portion, the stapling device body and the handle portion are subjected to the modular design, so that various parts can be optionally assembled and switched, and every module can be detached; and in addition, through cooperation of electromagnets, the linear cutting stapling device is more convenient to assemble.

The invention discloses a knife sharpener. The knife sharpener comprises a vacuum sucker capable of being adsorbed on a plane and provided with a linkage rod, a linkage pin fixedly arranged on the linkage rod and capable of driving the linkage rod to longitudinally move, a base arranged outside the linkage rod in a sleeving manner and located above the vacuum sucker, a reset spring arranged outside the linkage rod in a sleeving manner and clamped between the base and the vacuum sucker to reset the vacuum sucker, a rotary seat arranged on the base, arranged outside the linkage rod in a sleevingmanner and capable of driving the linkage pin to longitudinally move, a rotary disc mounted above the base and linked with the rotary seat, a knife sharpening bottom plate located above the rotary disc and connected and fixed to the base, a knife sharpening structure fixedly arranged on the knife sharpening bottom plate, and a knife sharpening cover arranged on the knife sharpening bottom plate in a covering manner. The vacuum sucker comprises a sucker in a hollow cone shape, and the linkage rod arranged at the upper end of the sucker. The rotary seat rotates along with rotation of the rotarydisc, an arc-shaped bevel edge capable of driving the linkage pin to move is arranged at the upper end of the rotary seat, and an arc-shaped positioning groove clamped with the linkage pin is formedin the highest position of the arc-shaped bevel edge.

The invention relates to a rotatable multifunctional thermal insulation feeding bottle which is a novel baby nursing product and can effectively solve the practical problems generated when new mothers feed babies. In the invention, a plastic cover with a rotatable bottom is utilized, and a plurality of feeding bottles can be arranged in the plastic cover and can be changed at any time; and a thermal insulation layer is filled inside the plastic cover, so that a baby can have warm drink in cold winter. The rotatable multifunctional thermal insulation feeding bottle has a simple and practical structure, is convenient to use, and is safe, sanitary and more environmental-friendly.

A tricolor LED lamp intelligent dot-matrix display system based on the Internet-of-things technology comprises 2<n>*2<n> single lamp drivers, 2<n> single-column lamp controllers, a gateway controller, a remote controller, and a control center, wherein n is a natural number greater than or equal to 3. Every 2<n> single lamp drivers are arranged in a column. The first single lamp driver in each column is connected with one single-column lamp controller, and each of the other single lamp drivers is connected with the previous and adjacent single lamp driver. The single-column lamp controllers are all connected with the gateway controller. The gateway controller is connected with the control center and the remote controller. The invention provides a tricolor LED lamp intelligent dot-matrix display system based on the Internet-of-things technology which has the advantages of high flexibility, easy maintenance, long service life, high degree of user participation, simple wiring, and low cost.