737 results about "Tweezers" patented technology

The invention relates to a watch movement pointer dismounting machine, relates to the technical field of watch maintenance, and aims to solve the problem that pointers are easily damaged due to collision of tweezers in the watch maintenance process, the watch movement pointer dismounting machine comprises a machine base, and a supporting frame is arranged on the machine base; the supporting frame is provided with a measuring assembly and a dismounting assembly. The measuring assembly comprises a measuring rod and a measuring piece which is connected to the lower end of the measuring rod. The upper end of the measuring rod penetrates through the support frame; an adjusting assembly for driving the measuring rod to move downwards is arranged on the top wall of the support frame; the dismounting assembly comprises a dismounting rod and a dismounting fork; the dismounting fork is connected to the lower end of the dismounting rod; the upper end of the dismounting rod penetrates through the supporting frame, the dismounting rod can move downwards along the supporting frame, and a limiting rod for limiting the dismounting rod is arranged on one side of the dismounting rod; a driving assembly for driving the dismounting assembly to move is arranged on the supporting frame; the dismounting assembly is provided with a positioning piece used for positioning the relative position of the measuring rod and the dismounting rod. According to the invention, the pointer is prevented from being collided and damaged in the watch maintenance process.

The utility model discloses a luggage case convenient to use when going out, which comprises a case body, and a plurality of raised lines are arranged on the inner walls of two opposite sides of the case body; the partition plates are connected to the inner side wall of the box body in a sliding mode and divide the interior of the box body into a plurality of storage cavities, the two side edge ends of each partition plate are provided with a plurality of pliers and tweezers mechanisms used for clamping and fixing the protruding strips, and the pliers and tweezers mechanisms clamp and fix the protruding strips on the corresponding sides and limit the sliding positions of the partition plates in the box body; the telescopic insertion plate assemblies are located in the storage cavities and are in sliding connection with the partition plates or the box walls close to the side, and the telescopic insertion plate assemblies are used for partitioning the storage cavities. According to the novel storage box, the storage space and the number of the storage grids can be reasonably divided according to the storage condition, the size and the number of the storage cavities are divided according to the needs of a user, and the storage space and the number of the storage grids can be reasonably divided according to the needs of the user; and the user can better store articles in a classified manner, and the travel convenience is improved.

The invention belongs to the technical field of sound tweezers, and particularly relates to a particle customization control method based on sound radiation force and torque, and the method comprises the steps: building a needed sound source array, evaluating the stress and torque of a to-be-controlled particle in a sound field, repeatedly adjusting and optimizing the phase and amplitude distribution in an array unit, and obtaining an optimal sound field configuration condition. In this way, the required optimal sound field environment can be determined in advance, so that the optimal control effect on the particles is achieved, and the suspension height and the rotation speed of the particles are accurately controlled. According to the method, particle behaviors can be more accurately regulated and controlled, the control precision is remarkably improved, the adaptability is enhanced, more complex control scenes and particle types can be coped with, and the method is particularly suitable for the situation that customized control particles are needed.

The utility model relates to an eyelash extraction device for ophthalmology medical care in the technical field of ophthalmology nursing, which comprises distraction tweezers and action tweezers, the outer side of the surface of the end part of the distraction tweezers is fixedly connected with a fixed limiting mechanism, the end part of the distraction tweezers is movably connected with a movable action mechanism, the end part of the distraction tweezers is provided with a mounting through hole, and the mounting through hole is communicated with the action mechanism. Fixing through holes are formed in the other ends of the distraction tweezers and the other ends of the acting tweezers, connecting ropes are movably connected to the inner sides of the fixing through holes, and the distraction tweezers, the fixing limiting mechanism and the movable acting mechanism are arranged, so that the movable acting mechanism can be connected with the distraction tweezers under the limitation of the fixing limiting mechanism; according to the eyelid removing glove, the movable action mechanism can be bonded with the eyelids of a patient, meanwhile, the eyelids are opened under the elasticity of the opening tweezers, eyelashes can be removed through the action tweezers at the moment, and the situation that the eyelids are opened manually, so that the eyelids are prone to sliding relative to the glove, and inconvenience is caused is avoided.

The invention relates to full-dielectric adjustable optical tweezers based on a composite phase superlens, and belongs to the technical field of optical tweezers. Two regulation modes of geometric phase and transmission phase are integrated into a dielectric metasurface periodic structure, and a circular lens surface is combined according to a specific mapping and arrangement mode. The super lens can excite two different output electric fields under the input of linearly polarized light due to the regulation and control of a composite phase, and the two electric fields can independently exist under the input of circularly polarized light with opposite chirality. Therefore, by adjusting the polarization type of the incident light source of the super lens, free switching of multiple optical capturing modes of particles in a field can be realized. Compared with the existing optical tweezers, the control mode can be flexibly adjusted on the premise that the structure of the device is not changed, and more diversified particle capturing requirements can be met. The high-flexibility and easy-to-integrate micro-nano structure can provide powerful guarantee for the performance of a compact composite optical capturing device.

The utility model discloses rapid freezing sample preparation equipment. The equipment comprises a sample clamping module, a sample liquid absorption module, a freezing sample preparation module, a sample net carrying box and an electric control module, the equipment can automatically control the projection time of tweezers in the sample clamping module, reduce the vibration of the tweezers in the horizontal direction, relieve the rebound pollution problem caused by collision vibration generated after ethane is fed into the tweezers, and control the telescopic distance, telescopic speed, initial position and residence time of the sample liquid suction module through a photoelectric sensor in a high-precision manner, so that the detection accuracy is improved. And the device has the advantages of low manufacturing cost and flexibility in use.

The invention discloses an imaging system for studying improvement of sensitivity essence of a gas sensor by acoustic tweezers, which is provided with a sound source module and an optical imaging module, the gas sensor is placed at an antinode position of a sound field generated by the acoustic tweezers, the sensor is irradiated by a sheet-shaped light source, and the sheet-shaped light is scattered by gas, so that the sensitivity essence of the gas sensor is improved. Scattered light is shot and collected by a camera through gas on the gas sensor and a lens assembly and then processed through a data processing module, the gas concentration gradient on the gas sensor is obtained by moving the position of the sheet-shaped light source, analysis is conducted in combination with relevant parameters of the sound tweezers, and the research on the effect of the sound tweezers on improving the sensitivity of the gas sensor is facilitated. The problem that no related analysis system exists in the prior art is solved. Furthermore, a first convex lens and a second convex lens are adopted in the lens assembly, a double-telecentric light path is formed, the double-telecentric light path can receive parallel light more easily, and due to the characteristic, the contrast ratio of images shot by the camera is obvious, and recognition and detection of a follow-up algorithm are facilitated.

The utility model discloses an eyelash grafting lamp convenient to wear, which comprises a base box, a remote control receiving electronic circuit is arranged in the base box, the remote control receiving electronic circuit in the base box is connected with a remote control pedal switch, the upper surface of the base box is connected with an LED (light-emitting diode) lamp, the LED lamp adopts a 410mm nanometer lamp bead, and the LED lamp adopts a 410mm nanometer lamp bead. A charging port is formed in one side of the base box, the charging port is connected with the battery through a wire, and tweezers are arranged below the base box. According to the eyelash grafting lamp convenient to wear, the elastic clamp is fixedly installed on the lower surface of the base box, the elastic clamp forms a hollow T-shaped structure through the two clamping plates, one side of tweezers is inserted between the two clamping plates of the elastic clamp, the tweezers can be fixed to the lower portion of the base box, and therefore the tweezers can be stored conveniently; and different tweezers can be quickly replaced by the elastic clamp.

The invention relates to the technical field of medical instruments, and discloses a positive and negative pressure adjustable type suction and flushing multifunctional surgical anatomy system which comprises two tweezers arms, guide seats arranged on the opposite sides of the two tweezers arms, a mounting connector arranged between the two guide seats, a conductive assembly arranged at the end, away from the tweezers arms, of the mounting connector and a guide assembly. And the control assembly is arranged on the outer side of the guide assembly. According to the positive and negative pressure adjustable type suction and flushing multifunctional surgical anatomy system, by arranging the control assembly, when a flow dividing butt joint opening is in butt joint with an input opening, a suction pipe and a flushing pipe are communicated with two guide pipelines correspondingly, suction work and cleaning work are conducted at the same time, and an adjusting inner core is rotated to make the suction butt joint opening be in butt joint with the input opening; the suction pipe is communicated with the four guide pipelines and only performs suction work, the adjusting inner core is rotated to enable the flushing butt joint port to be in butt joint with the input port, the flushing pipe is communicated with the four guide pipelines and only performs cleaning work, and therefore operation is convenient.

The special tweezers knife for tissue culture comprises a tweezers frame, an opening is formed in the inner wall of one side of the tweezers frame, a shear blade is detachably installed on the inner wall of the opening in an inserted mode, a first inserting groove is formed in the end portion of the side, close to the shear blade, of the tweezers frame, and a second tweezers head is connected to the inner wall of the first inserting groove in an inserted mode. The tweezers frame is provided with a first tweezers head, the first tweezers head and the second tweezers head are detachably and fixedly installed at the two ends of the tweezers frame, the first tweezers head and the second tweezers head are detachably and fixedly installed at the two ends of the tweezers frame, and therefore when the tweezers frame is used, the first tweezers head and the second tweezers head are detachably and fixedly installed at the two ends of the tweezers frame. The first tweezers head and the second tweezers head can be replaced, the use practicability of the equipment is improved, meanwhile, when the tissue culture structure is clamped through the tweezers knife, cutting can be conducted by pressing the shear blades, and the use multifunctionality of the equipment is conveniently improved.

The invention relates to the technical field of micro-nano device manufacturing, in particular to bio-compatible self-clamping optical fiber tweezers and a preparation method thereof. The invention designs a pair of bio-compatible self-clamping optical fiber tweezers. The clamping part of the tweezers is in a self-clamping closed state in the absence of external force; therefore, when an object needs to be clamped, photothermal effect stimulation is generated through the laser irradiation effect to enable the driving part to contract so as to enable the clamping part to be opened, then the laser can be closed to enable the photothermal effect stimulation to disappear so as to enable the clamping part to be reset to be in a closed state to achieve clamping, and therefore long-time driving of the laser is not needed. Therefore, the clamped object is protected from being influenced by the high-energy-density laser to the greatest extent, the problems that the object is subjected to thermal damage and the biological activity is reduced are solved, and the biological compatibility of the optical fiber tweezers is improved.

The utility model provides a blood sample collection card, which comprises a first paperboard, an adsorption filter paper and a second paperboard which are sequentially overlapped from top to bottom, the upper surface of the second paperboard is provided with an information collection area and a sample collection area, and the adsorption filter paper is adhered to the sample collection area; a collection hole is formed in the adsorption filter paper, a collection paper sheet is arranged in the collection hole, and the peripheral side of the collection paper sheet is connected with the hole wall of the collection hole through an easily-broken weak part; a first through hole corresponding to the collecting hole is formed in the first paperboard, and the hole wall of the first through hole is located on the peripheral side of the hole wall of the collecting hole. According to the blood sample collection card, sampling is convenient, the collection paper sheet can be taken down only through tweezers to achieve sampling, and tools such as a puncher or scissors are not needed; the first paperboard is stacked on the upper surface of the adsorption filter paper, the situation that a user directly touches the adsorption filter paper by mistake and pollutes the adsorption filter paper during use is prevented, the first paperboard is provided with the first through hole corresponding to the position of the collection paper sheet, and the user can be reminded of the position of the collection paper sheet.

The invention is suitable for the technical field of press-fitting, and provides press-fitting equipment for a diesel engine cylinder cover and a working method thereof.The press-fitting equipment comprises a workbench, a transferring assembly and a press-fitting assembly, the transferring assembly and the press-fitting assembly are installed at the top of the workbench, and a cylinder cover assembly and a placing assembly are installed at the top of the transferring assembly. In order to solve the problems that in the prior art, a worker needs to use tweezers and other auxiliary tools for alignment, the labor hour consumption is large, the initial placement position of a valve lock sheet is prone to deviation due to the fact that the auxiliary tools leave, and the valve lock sheet needs to be manually adjusted when being ejected out when a valve spring rebounds, the device is provided with an auxiliary mechanism, and the valve lock sheet is pre-filled before press fitting; during press fitting, the auxiliary mechanism moves downwards, the valve rod extrudes the positioning rod to contract, the ring body blocks the valve lock pieces, the valve rod is inserted between the two valve lock pieces, and the protrusion is clamped into the annular groove; the auxiliary mechanism moves upwards, the valve rod pulls the lock plate, finally press fitting is completed through separation, manual errors are reduced, and the situation that the valve lock plate deviates or is brought out due to lubricating oil is avoided.

The purpose of the present invention is to provide a sample piece creation technology capable of improving throughput of a sample manufacturing process by shortening a processing time for creating a sample piece. A sample piece creation device according to the present invention comprises a tweezers unit that grips a sample piece by a first tweezers arm and a second tweezers arm. The second tweezers arm is configured such that rigidity thereof in a direction of being driven by a drive mechanism is higher than that of the first tweezers arm. The tweezers unit is driven so that an action of pressing the second tweezers arm toward the first tweezers arm is exerted (see fig. 16).

1. The name of the design product: eyelash tweezers. 2. The use of the design product: the design product is mainly used for quick removal of eyelashes. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other circumstances that need to be explained: the enlarged view of part A is a partial enlarged view of part A in perspective view 1; the enlarged view from above is an enlarged view from above; the enlarged view from below is an enlarged view from below.

The invention relates to the technical field of photoelectric tweezers, in particular to a system for achieving operation of the photoelectric tweezers. According to the technical scheme, the system comprises a camera, an imaging barrel lens, a beam combiner, a projection system, a fluorescence module, an objective lens turntable, an electric XYZ platform, a signal generation system and a control module, the camera captures a microscopic objective lens imaging light beam through the imaging barrel lens, and the beam combiner is used for projecting a microscopic light beam and reflecting a projection light beam; the projection system is composed of an LED light source, an array reflector set and the like and projects controllable light spots under an objective lens. The fluorescent module switches a bright field mode and a fluorescent mode; the objective lens turntable automatically switches multiplying power; the electric XYZ platform is used for fixing and positioning a biological chip; the signal generation system outputs an electric signal of the control chip; the control module is divided into a camera control part, a projection part and a motor part to cooperatively complete photoelectric tweezer operation. The photoelectric tweezers operation and the fluorescence operation are completed by one system, and the photoelectric tweezers operation and the fluorescence operation are controlled through a proper control process.

The utility model provides an umbilical cord Wharton's jelly extraction device which comprises a supporting base, the upper surface of the supporting base is fixedly connected with a group of fixed vertical plates arranged at equal intervals, and the upper surfaces of two of the fixed vertical plates are jointly and fixedly connected with a storage box. Wherein the upper surfaces of the two fixed vertical plates are jointly and fixedly connected with a separation box, a triangular separation piece is installed in the separation box, a handle is installed on the bottom face of the triangular separation piece, and two sliding grooves are formed in the inner bottom wall of the storage box. According to the umbilical cord Wharton's jelly extraction device, through mutual cooperation of a bearing, a rotating shaft, a transmission wheel, a transmission belt, a sliding groove, a sliding block and a cutting blade, the device can conveniently separate Wharton's jelly from an umbilical cord membrane, so that the problem that most of Wharton's jelly is not extracted completely; the device solves the problems that an operator uses tweezers to carry out fine operation for a long time, and occupational injuries or discomfort can be caused, and the working efficiency of the device is improved.

1. The name of the design product: tweezers head. 2. The use of the design product: for installing on the ear picking stick body, cooperating with the ear picking stick body to clean the ear canal. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view 1.

1. Name of the product in this design: Dual-fiber luminescent ear cleaning tweezers. 2. Purpose of this design: This design is used for illuminating and removing foreign objects from the ear canal of adults or children. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

Modified mailbox (1) with a mailbox housing (2) and a slot opening (3) for inserting envelopes and automatically detecting the contents of the letter, comprising a) a insertion sensor for detecting an envelope inserted into the mailbox (1) through the insertion opening (3), b) an alignment device, selected from at least two conveyor belts (7) which can be moved at different speeds and directions, for aligning the inserted envelope, c) an opening device for opening the envelope on all four edges, selected from at least one horizontally and vertically movable blade, d) an unfolding device for unfolding a letter, which may be folded, selected from tweezers or at least a rubber cylinder, e) a scanner for capturing the contents of the letter, f) a storage compartment (6) into which the letter is stored after scanning, as well as g) a transmitting unit with which the scanned letter contents can be automatically or upon request sent to a receiving device within a mobile network.

1. The name of the design product: tweezers (8). 2. The use of the design product: for clamping objects. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: Design 1 perspective view. 5. Design 1 is designated as the basic design.

This invention discloses a co-curing molding process for large composite material U-shaped stiffened wall panels, including skin panel laying, stringer laying, first tweezer filling, stringer flipping and positioning, intercalation laying, second tweezer filling, stringer cavity laying, curing soft mold laying, soft mold limiting, pressure curing, and demolding. The stringer laying uses a complete composite soft mold as the male mold, achieving dual-purpose use of one mold. During curing, a combination of a complete composite soft mold and split soft molds is used. The complete composite soft mold serves as the main mold, with a thicker thickness and greater vertical edge rigidity. The cooperation between the complete composite soft mold and the soft mold limiting prevents softening and sinking of the vertical edges, thus solving the problem of straightness in the vertical edge length direction. The split soft molds serve as pressure equalizing plate molds. The pressure applied during curing in an autoclave transfers vacuum bag pressure to the split soft molds, and the moving extrusion provides pressure to the vertical edges and radius corners, causing the tweezers and intercalations to return to their theoretical positions under the curing extrusion action, ensuring no damage or problems.

The invention discloses a method for simply and rapidly installing a dynode of an electron multiplier, and belongs to the field of electron multiplier assembly. According to the method, extra tools are not needed, and only three long screws and a pair of pointed tweezers need to be additionally used. According to the method, the problem that time and labor are wasted when the ceramic plate of the multiplier and nine dynodes are folded and aligned is solved, and the installation of the dynodes can be effectively accelerated. During installation, the three long screws are inserted into the through holes of the ceramic plate bottom plate, then the screws are sleeved with the limiting stainless steel cylinders respectively, then the nine dynodes and the collecting plate are sequentially installed on the ceramic plate bottom plate, then the ceramic plate top plate is sleeved with the three screws, the hexagonal studs are screwed, and the ceramic plate top plate is installed on the ceramic plate bottom plate. And the distance between the top and bottom ceramic plates is about 4mm longer than that of the limiting stainless steel cylinder. The nine dynodes and the collecting plate are sequentially stirred through pointed tweezers, the upper feet of the dynodes and the collecting plate enter the small mounting holes corresponding to the top plate of the ceramic plate, the lower feet of the dynodes do not leave the small mounting holes corresponding to the bottom ceramic plate, and the top ceramic plate and the bottom ceramic plate are tightened after completion. And the long screws are replaced by the original screws of the multiplier in sequence, and the dynode is assembled.

The invention relates to the technical field of acoustic wave device application and biological tissue engineering, in particular to a method for constructing a multi-component heterogeneous fiber structure under the assistance of acoustic tweezers. According to the method, an acoustic tweezers technology and a microfluidic spinning technology are combined, an electric signal is converted into an acoustic surface wave through the piezoelectric effect of a piezoelectric material, and a beam-shaped acoustic standing wave field is formed in a microchannel of a specific structure; different target cells form a stable fiber configuration under the interaction of microchannel limitation and acoustic radiation force, and spatial precise classification and arrangement of multiple types of cells are realized. The low-temperature-sensitive hydrogel is introduced in the cell injection process, and the fiber scaffold is formed after ultraviolet curing, so that the fiber structure of the cells is still maintained after the sound field is removed. The cells treated by the surface acoustic wave can form a complex three-dimensional bionic tissue structure more easily, and the cell viability is remarkably improved. Various fiber structures can be formed by regulating and controlling sound field parameters, and great potential is shown in the field of in-vitro barrier model construction.

The utility model discloses a sample adding device for detecting an electronic balance, and relates to the technical field of electronic balance detection. The device structurally comprises a transparent cover body, a flat belt type weight sample injector and a movable carrying table, one end of the transparent cover body is provided with a rectangular channel for the moving platform deck to enter and exit; one side surface and the top surface of the transparent cover body are provided with a row of weight placing channels; and an L-shaped door plate is rotationally mounted on the weight placement channel through a hinge. According to the utility model, the flat belt type weight sample injector used for bearing the weights is installed on the transparent cover body in a drawing manner, and the weights are placed on the electronic balance by drawing the U-shaped handle, so that compared with a method of clamping the weights one by one by using tweezers, the device is more convenient and quicker, and the efficiency of electronic balance inspection work is improved; through the design of the flat belt type weight sample injector, continuous weight loading can be realized, which is particularly important for precise measurement work needing multiple times of sample injection, and the tedious operation of frequently opening and closing a transparent cover body is avoided.

This utility model discloses a fixture for assembling a filter cap and a heat sink, comprising a fixture body, a base plate, and a pressure plate. The fixture body is placed on top of the base plate and serves to abut against the filter cap installed in the fixture hole at the bottom of the fixture body. The pressure plate is snapped into the fixture hole at the top of the fixture body, so that pressing the pressure plate presses and assembles the filter cap and heat sink installed in the fixture hole. By providing several through-holes on the fixture body, the assembler can use tweezers to sequentially snap the filter cap into the back hole of the fixture hole, and then flip it over by the base plate to place the heat sink into the front hole. After placement, the heat sink is attached to the filter cap by the parallel and spaced pressing blocks on the pressure plate, and then the assembled filter cap and heat sink are pushed out of the fixture hole, thereby improving the assembly efficiency of the filter cap and heat sink.

1. Name of the product in this design: Tweezers (laughing). 2. Purpose of this design: To grip and pick up items. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

1. Name of the design product: multi-purpose hair-pulling clip. 2. Use of the design product: used for pulling off animal hair on meat for food preparation. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The tweezers comprise a first clamping rod and a second clamping rod, the tail end of the first clamping rod is connected with the tail end of the second clamping rod through a clamping handle, the front end of the first clamping rod is provided with a shovel plate extending towards the direction of the second clamping rod, and the front end of the shovel plate is provided with a handle. The front end of the second clamping rod is provided with a buffering supporting piece extending in the direction of the first clamping rod, the shovel plate can shovel the high-adsorption-force sheet to be separated from the placing plane, meanwhile, the buffering supporting piece and the shovel plate can bear the high-adsorption-force sheet, and therefore the tweezers can easily clamp and transfer the sheet.

1. Name of the product in this design: Tweezers (straight tweezers + meat tweezers). 2. Purpose of this design: For gripping objects. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic Drawing 1. 5. The bottom view of Design 1 has already been shown in the perspective view 1 of Design 1, so the bottom view of Design 1 is omitted; the top view of Design 1 has already been shown in the perspective view 2 of Design 1, so the top view of Design 1 is omitted. 6. Designate Design 1 as the base design.