30results about How to "Reduce peripheral size" patented technology

The invention discloses an optical fingerprint sensor, and a manufacturing method and fingerprint acquisition method thereof. The optical fingerprint sensor comprises a pixel array zone which is disposed on the surface of a substrate and comprises multiple pixels, and multiple scanning lines; the optical fingerprint sensor further comprises a data line gating zone which is disposed on the surface of the substrate, is disposed between the pixel array zone and a binding zone and is internally provided with M gating switches; and the optical fingerprint sensor also comprises M data lines which extend from the pixel array zone to the data line gating zone. In the data line gating zone, in a first direction, every continuous adjacent n data lines form a data line group, n is an integer greater than one, and M is an integer greater than n; in each data line group, one data line and the input end of one gating switch are in one-to-one corresponding connection; and in each data line group, output ends of all the gating switches are connected with one output pin of the binding zone. The optical fingerprint sensor provided by the invention is structurally optimized and is higher in performance.

The invention discloses an earphone which comprises a loudspeaker single body, an audio signal line electrically connected with the loudspeaker single body, a shell used for containing the loudspeaker single body and a front cover laid on the shell. A front acoustic cavity is formed in the space between the front cover and the loudspeaker single body, and a rear acoustic cavity is formed in the space between the shell and the loudspeaker single body; the rear acoustic cavity is divided by a dividing wall into a main rear cavity and a low-pitch rear cavity, an acoustic tube is laid in the cavity body of the low-pitch rear cavity, is bent in a curve shape and arranged in the cavity body of the low-pitch rear cavity, one end of the acoustic tube is connected with the main rear cavity through a through hole of the dividing wall, and the other end of the acoustic tube is communicated with the outside through a sounding hole in a shell of the low-pitch rear cavity. By means of the structure, low-frequency performance and medium-frequency performance of the earphone are effectively improved, and the appearance of the earphone is more attractive on the basis that stability of the earphone is guaranteed.

The invention discloses a novel support seismic energy dissipator, which comprises an anti-bending device, a core plate and an isolating material arranged between the anti-bending device and the core plate. Two ends of the anti-bending device are provided with limiting stressed plates; one end of the core plate is provided with a tensile device consisting of stiffening plates, tensile limiting plates and compression-resistant limiting plates; the middle of a yield section of the core plate is arranged in the anti-bending device, and one end of the core plate is welded with one end of the anti-bending device; the other end of the core plate, which is provided with the tensile device, and the anti-bending device can relatively slide, and the inner sides of the compression-resistant limiting plate and the limiting stressed plate at the end are respectively provided with a rubber bumper; and the outer surface of the core plate, which is matched with the anti-bending device, is provided with the isolating material. After the novel support seismic energy dissipator is deformed to some extent, the rigidity is improved through the anti-bending device, and a support is prevented from constantly deforming or collapsing under the action of a large earthquake; the variable cross-section times of the core plate is reduced, so that the core plate is convenient to process, the sizes of the core plate and the anti-bending device are reduced through the stiffening plates, the material consumption and dead weight are reduced, the structure is optimized and the cost is reduced.

The invention discloses an ultra-wideband dual-polarization bidirectional coverage antenna, which relates to the technical field of mobile communication. The ultra-wideband dual-polarization bidirectional coverage antenna comprises a first reflecting plate and a second reflecting plate, wherein the first reflecting plate and the second reflecting plate are arranged according to a certain includedangle; each of the first reflecting plate and the second reflecting plate is provided with a low-frequency radiation unit, an intermediate-frequency radiation unit and a high-frequency radiation unit.The ultra-wideband dual-polarization bidirectional coverage antenna has the characteristics of ultra wideband, dual polarization, bidirectional coverage, convenient mounting and the like, the ultra wideband can cover multiple network systems, coverage application in scenes such as tunnels, subways, streets, highways, railways and roads in villages in cities can be met, the array arrangement design is compact, the peripheral dimension of the antenna is reduced, and antenna mounting and later maintenance difficulties are reduced. The antenna supports polarization diversity, and in comparison with an early single-polarization bidirectional coverage antenna, the coverage performance is greatly enhanced; and the ultra-wideband performance far exceeds an early bidirectional antenna, network sites can be reduced, and the network construction cost is reduced.

The invention relates to an unmanned aerial vehicle lifting platform and a building. The unmanned aerial vehicle lifting platform comprises a platform which is used for parking an unmanned aerial vehicle, and a positioning mechanism which is used for pushing the unmanned aerial vehicle to a target position, the positioning mechanism comprises a plurality of pushing pieces arranged in a staggered mode to form a # shape, a driving device used for driving the pushing pieces and a controller in communication connection with the driving device, and the driving device is arranged below the platform;the pushing pieces are arranged above the platform, and the two ends of the pushing pieces extend to the edge of the platform and can move along the edge; and the pushing pieces are connected to thedriving device through an adapter piece. Therefore, the end parts of the pushing pieces extend to the edge of the platform, so that the whole platform can be generally used as a landing area of the unmanned aerial vehicle; meanwhile, the adapter piece is arranged, so that the driving device can be completely shielded by the platform, namely hidden below the platform, and is connected with the pushing pieces only through the adapter piece; and therefore, the peripheral size of the platform can be effectively reduced while the size of the landing area of the unmanned aerial vehicle is met.

The invention belongs to the technical field of cables, in particular to an irregular cable, which is characterized by comprising four irregular bodies, protection sleeves and cable cores. Each irregular body comprises a reinforcing part, an irregular member and a connection rib. The four protection sleeves are round, and each protection sleeve is located between adjacent irregular bodies. The protection sleeves wrap the cable cores. The protection sleeves are characterized in that the density is 0.945-0.965g / cm<3>, the tensile strength is larger than or equal to 20MPa, the carbon black content is 2.9%-3.5%, the dielectric strength is larger than or equal to 30KV / mm, the bending strength ranges from 30MPa-50MPa and -50-80 DEG C in 3.5% strain, and the axial later stage contractibility rate ranges from -1% to 1% within 48 hours. The irregular cable is small in peripheral dimension, small in material consumption, less in working procedure number, low in production cost, more convenient to lay and higher in mechanical reliability under stress.

The invention discloses a cam shaft with an encoding disk and a lubricating oil channel. The cam shaft is a hollow shaft; an inner thread section is arranged in a shaft center of the left end of the cam shaft; and a part from the tail end of the inner thread section to the shaft center at the tail end of the cam shaft is used as the lubricating oil channel. The cam shaft is sequentially provided with bearing shaft neck sections, air inlet cams, and air outlet cams; each bearing shaft neck section is provided with an oil inlet. A timing plane is arranged between a first bearing shaft neck section and the air inlet cam; an axial thrust surface is arranged behind a second air outlet cam shaft; the tail end of the cam shaft is provided with an air distribution timing encoding disk; and a lubricating oil channel sealing screw hole is formed in the shaft center of the tail end of the cam shaft. The cam shaft is provided with the timing plane, the thrust surface and the air distribution timing encoding disk, so that the problems of large number of auxiliary drive parts of an engine, and deformation caused by insufficient rigidity of an air distribution mechanism can be improved greatly; and the structure of the engine is simplified, the overall dimension of the engine is reduced, and convenience is brought to the decoration and arrangement of a finished automobile.

The invention discloses a bar code radio frequency recognition device moving along with luggage / goods. Luggage / goods move forwards along the conveying belt. Two recognition device assemblies are arranged at the recognition position of the conveying belt. A plurality of luggage / goods position sensors are arranged on the side face of the conveying belt. Each of the two recognition device assembliescomprises a mandrel and a recognizer fixing base; the recognizer fixing base is fixed on the mandrel; a plurality of bar code recognizers, a radio frequency reader-writer and a plurality of cameras are arranged at the front end of the recognizer fixing base; the bar code recognizer and the radio frequency reader-writer are both connected with the information processor, in addition, the first recognition device assembly further comprises a motor connected with the information processor, and when the motor operates, the recognizer fixing base rotates around the mandrel through meshing of a motorgear and a mandrel gear. The method greatly improves the recognition success rate, overcomes the defect of low success rate of front and rear bar code recognition of airline luggage / goods, does not need to add extra shielding facilities, and is small in equipment peripheral size.

The invention provides a shaft transmission mechanism of a motorcycle, and belongs to the technical field of motorcycles. The shaft transmission mechanism of the motorcycle solves the technical problems that in a current shaft transmission mode of the motorcycle, after a clutch friction disc and a steering assembly are matched, the axial size, along a power input rod, of a whole formed by the clutch friction disc and the steering assembly is relatively large, and the problem exists that the structure is not compact enough. The shaft transmission mechanism of the motorcycle includes a speed changing mechanism, a transmission shaft and a driving rear axle, the transmission shaft extends along the front-rear direction of a motorcycle body, an output shaft extends along the left-right direction of the motorcycle body and penetrates through a speed changing shell, the outer end portion of the output shaft is connected with an input bevel gear in a sleeved mode, the periphery of the other end of the transmission shaft is connected with a driven shaft in a sleeved mode, the driven shaft is connected with an output bevel gear in a sleeved mode, the input bevel gear and the output bevel gear mesh with each other, a four-point contact ball bearing is arranged between the input bevel gear and the speed changing shell, the four-point contact ball bearing is sleeved on the periphery of the output shaft, and the inner end of the outer ring of the four-point contact ball bearing abuts against the speed changing shell. The shaft transmission mechanism of the motorcycle has the advantages of being less in space wasting and compact in structure.

The invention relates to a backflow-preventing pipe joint, comprising a joint body (1), wherein the joint body (1) is provided with an inlet end (11), an outlet end (12) and at least one channel (A); a valve spool (2) is arranged inside the channel (A); a clamping ring (3) is arranged behind the tail (22) of the valve spool (2) inside the channel (A), and a spring (4) is tightly abutted between the tail (22) and the clamping ring (3); the head (21) of the valve spool (2) is provided with a conical external wall (21a); and the inner part of the valve spool (2) is provided with a flow hole (23), and a circle of convex ring (13) is arranged at the head (21) of the valve spool (2) on the internal wall of the channel (A). Compared with the prior art, the conical external wall of the valve spool in the pipe joint and the convex ring on the channel form a sealed structure, so that liquid at the outlet end does not flow to the inlet end via the flow hole of the valve spool, the liquid at the outlet end is prevented from back-flowing to the inlet end, and the function of a one-way valve is realized without an external one-way valve; and moreover, the peripheral size of the pipe joint is not increased and the pipe joint is conveniently installed in a narrow equipment space.

The invention discloses movable beating-disc light sound equipment which comprises a subwoofer sound box, a beating-disc table, a full-frequency sound box, a support assembly, a plurality of rollers and a lamp panel provided with a light element. The beating-disc table is connected to the upper surface of the subwoofer sound box; the support assembly is arranged on the side face of the subwoofer sound box; the full-frequency sound box is pivoted and matched with the top end of the support assembly, and the height angle can be adjusted; the rollers are fixed below the subwoofer sound box; and the lamp panel is arranged in front of and / or on two side surfaces of the subwoofer sound box and the beating-disc table. The subwoofer loudspeaker box is used as a main body part, the surface of the subwoofer loudspeaker box is connected with the beating-disc table, the support assembly, the rollers and the like to form an integrated structure, and the subwoofer loudspeaker box is convenient to move, suitable for frequent movement of equipment in temporary occasions and simultaneous movement of electric parts, free of wire disassembly and assembly, capable of being used only by switching on a power supply and easy to operate; and the full-frequency sound box can be lifted and rotated, so that the peripheral size can be reduced to facilitate movement or storage, and the orientation of the full-frequency sound box can be adjusted.

The invention relates to a dual-polarized antenna. The dual-polarized antenna comprises a reflecting plate, oscillators and a base, four pairs of oscillators are arranged in an adjacent manner in pairs to form dual-polarized units orthogonal to each other, each pair of oscillators include balun arms, a feeding arm, transmission arms and radiating arms, the transmission arms are located between the feeding arm and the radiating arms, the radiating arms comprise radiating arms a, radiating arms b and radiating arms c, the radiating arms a are arranged at the top ends of the transmission arms, the radiating arms b are located at the bottom ends of the radiating arms a, the radiating arms a and the radiating arms b of the four pairs of oscillators are projected in the square shape on the reflecting plate, the radiating arms c are located on the radiating arms b, and the radiating arms c extend along the vertical direction of the radiating arms b. An antenna array comprises the dual-polarized antennas as low-frequency units, the antenna array also comprises high-frequency units and a reflecting plate, and the low-frequency units and the high-frequency unit are vertically arranged on the reflecting plate at intervals. By employing the new antenna structure, the frequency band is wide, the size is small, and the high-frequency influence is small.

A design method of a valveless self-actuated pulse combustion type kiln is disclosed, wherein the flow distance away from the fan inlet of the burner to the fuel nozzle and the flame holder is 1 / 5-1 / 3 of the whole gas duct flow. The hearth adopts the tubes with different cross sectional areas. The hearth tubes are offset into a plurality of smoke tube passages, wherein the smoke tube passages are bending passages. The sum of each cross sectional area of the smoke tube passages is the 20-30% of the hearth cross sectional areas. The equivalent diameter d of the smoke tube passages satisfies the following relations (1).

The embodiment of the invention discloses a broadband miniaturization radiating element which comprises two pairs of cross polarization half-wave vibrators, four Baluns and a base, the cross polarization half-wave vibrators are used for sending or receiving signals in the wireless communication process, one end of each Balun is correspondingly connected with one half-wave vibrator, the other end of each Balun is connected with the base, each half-wave vibrator comprises two radiating arms, and each radiating arm comprises a first radiating section, a second radiating section and an internal connecting section used for being connected with the first radiating section and the second radiating section. In the projection of the plane where the base is located, the second radiating sections are contracted towards the center of the radiating element relative to the first radiating sections. The embodiment of the invention further discloses a base station antenna formed by the broadband miniaturization radiating element. Through the broadband miniaturization radiating element and the base station antenna, the overall dimension can be effectively reduced, and the overall radiating element is miniaturized. The radiating element has obvious advantages under the condition of small-distance set arrays.

The invention relates to a desktop-type soft X-ray band optical element polarization detection device. The desktop-type soft X-ray band optical element polarization detection device comprises a soft X-ray light source assembly, a soft X-ray polarizing chamber assembly, a 360-degree rotating assembly, a vacuum assembly, a slit assembly, a soft X-ray light intensity monitoring assembly, a sample chamber assembly and a detection assembly. Through the design of a compact structure, a fixing mode and a linear polarization soft X-ray light intensity monitoring mechanism, a soft X-ray optical elementpolarization detection platform which is adjustable in the linear polarization direction within the 360 degrees is constructed. Compared with the prior art, the desktop-type soft X-ray band optical element polarization detection device has the advantages of being simple and compact in structure, convenient to mount and debug, high in precision and the like, and is suitable for carrying out optical element soft X-ray polarization characteristic detection in a laboratory.

The invention discloses an electrical connector with a position holding structure. The connector includes: a housing provided with a locking portion; a locking lever having a first arm and a second arm connected to opposite sides of the housing and a beam portion extending between the first arm and the second arm, a channel is provided in the beam; and a connector position retainer having a locking edge, the connector position retainer is inserted into the channel from the open end of the channel, the connector position retainer has a pre-installed position in the channel and In the locking position, when the locking lever is pivoted to the second position and the connector position holder enters the locking position, the locking edge abuts against the locking portion in the passage, thereby locking the rotational movement of the locking lever. The electrical connector according to the invention has simple structure and high installation flexibility.

The invention relates to a desktop-type soft X-ray band optical element polarization detection device. The desktop-type soft X-ray band optical element polarization detection device comprises a soft X-ray light source assembly, a soft X-ray polarizing chamber assembly, a 360-degree rotating assembly, a vacuum assembly, a slit assembly, a soft X-ray light intensity monitoring assembly, a sample chamber assembly and a detection assembly. Through the design of a compact structure, a fixing mode and a linear polarization soft X-ray light intensity monitoring mechanism, a soft X-ray optical elementpolarization detection platform which is adjustable in the linear polarization direction within the 360 degrees is constructed. Compared with the prior art, the desktop-type soft X-ray band optical element polarization detection device has the advantages of being simple and compact in structure, convenient to mount and debug, high in precision and the like, and is suitable for carrying out optical element soft X-ray polarization characteristic detection in a laboratory.

The invention discloses an integrated plate frame and an electric stack of a liquid flow battery. The integrated plate frame includes a main body of the battery plate frame, a cover plate of the battery plate frame and a bipolar plate. The upper side of the main body of the battery plate frame is provided with a ladder The battery panel frame cover fastens the bipolar plate on the step surface of the slot, and the periphery of the battery panel frame cover fits with the outline of the slot to form a complete plane A connection structure is provided between the bipolar plate and the main body of the battery plate frame and the cover plate of the battery plate frame; a branch channel through which the electrolyte passes is arranged on the cover plate of the battery plate frame, and the branch channel is connected to the battery plate frame cover plate. The main channel of the main body of the battery plate frame is connected. The integrated plate frame of the liquid flow battery and the electric stack made by using the same of the present invention solve the problems of leakage, dislocation and distortion in the assembly and manufacturing process of the battery plate frame, reduce the cost, and improve the reliability of the battery plate frame.

The invention discloses a modular precision-adjustable signal coverage system, which comprises a broadband port antenna with a single broadband adjustable signal source coverage angle of 90 degrees, a support plate, an upper mounting cover and a base; the support plate is mounted in the base, and the broadband port antenna is mounted on the support plate. The number and the installation angle of the broadband port antennas can be adjusted according to the actual signal coverage requirement to adjust the signal coverage range; meanwhile, the horizontal angle and the vertical angle of the broadband port antennas are adjusted through a steering support, overall signal coverage of a designated signal coverage area is achieved, the actual signal coverage requirement is met, and the cost is reduced. Moreover, a standing wave tuner is used for correcting the standing wave precision of the equipment, the standing wave index of a specific frequency band can be optimized emphatically, and all covered frequency bands can also be optimized integrally, so that the index requirements of customers on different frequency bands are met, the covered frequency band is 1.5-5Ghz, and the use requirements of 4G and 5G communication FR1 frequency bands are met.

The invention discloses a mounting support for mounting a double-fork-arm suspension shock absorber and an upper control arm and an automobile. The mounting support comprises an upper cover plate anda boss arranged on the upper surface of the upper cover plate, wherein the bottom of the boss is provided with a mounting space matched with a mounting base on the shock absorber, and the boss is further provided with a threaded hole; and a front coaming, an inner coaming, a rear coaming and an outer coaming which are sequentially connected in pairs are fixedly arranged on the upper cover plate, afront apron is fixedly arranged on the outer side face of the front coaming, a rear apron is fixedly arranged on the outer side face of the rear coaming, and locking assemblies used for locking the upper control arm are arranged on the front apron and the rear apron. The mounting support has the main beneficial effects that the upper control arm is mounted through the accommodating cavities formed in the two sides of the mounting support, and the shock absorber is mounted on the boss of the upper cover plate, so that the peripheral size of the mounting support is reduced to the greatest extent, the effects of reducing the weight and releasing the arrangement space of other parts are achieved, ribs in the cavities are removed, and the machining and forming process is greatly simplified.

The present invention discloses an electrical connector having a position retaining structure. The connector includes: a housing provided with a locking portion; a lock lever having first and second arms connected to the opposite sides of the housing and a beam portion extending between the first and second arms, the beam portion being internally provided with a passage; and a connector position retaining part having a locking edge, the connector position retaining part being inserted into the passage from an open end of the passage, the connector position retaining part having a pre-load position and a locking position in the passage, the locking edge butting against the locking portion in the passage when the lock lever is pivoted to the second position and the connector position retaining part enters the locking position, thereby locking the rotational movement of the lock lever. The electrical connector is simple in structure and high in installation flexibility.

The invention discloses a luminescence unit circuit board module which comprises a luminescence unit circuit board and a parallel-metal base. Each luminescence unit is provided with a substrate formed by stacking an upper metal insulating material and a lower metal, and the parallel metal base comprises a first metal board and a second metal board; the first metal board is electrically coupled to the upper metal and provided with a first metal pin, and the second metal board is electrically coupled to the lower metal and provided with a second metal pin; the circuit board comprises a first electric contact region and a second electric contact region, the first electric contact region is electrically coupled to the first metal pin, and the second electric contact region is electrically coupled to the second metal pin. The parallel-metal base of the luminescence unit circuit board module is spliced with the circuit board in a plug-in mode so as to be convenient to assembly, maintain and replace the product.

The invention discloses a miniature motor which comprises a stator (1). The cross section of the stator (1) is square, the side length of the stator (1) is 90mm, a rotor (2) is sleeved in the stator, the cross section of the rotor (2) is circular, and the diameter of the stator (2) is 56mm. The miniature motor has the advantages that the overall dimension of the stator is reduced, so that the miniature motor is applicable to common household appliances with small sizes; the quantity of lathed cage bars required by the rotor is reduced on the premise that the performance of the miniature motor is unaffected, scrap iron is reduced in a machining process, and influence of the scrap iron to the rotor after lathing is reduced; and scratching to an inner cavity of the stator is prevented, the efficiency of the integral motor is improved, and the service life of the integral motor is prolonged.

The invention belongs to the technical field of cables, in particular to an irregular cable, which is characterized by comprising four irregular bodies, protection sleeves and cable cores. Each irregular body comprises a reinforcing part, an irregular member and a connection rib. The four protection sleeves are round, and each protection sleeve is located between adjacent irregular bodies. The protection sleeves wrap the cable cores. The protection sleeves are characterized in that the density is 0.945-0.965g / cm<3>, the tensile strength is larger than or equal to 20MPa, the carbon black content is 2.9%-3.5%, the dielectric strength is larger than or equal to 30KV / mm, the bending strength ranges from 30MPa-50MPa and -50-80 DEG C in 3.5% strain, and the axial later stage contractibility rate ranges from -1% to 1% within 48 hours. The irregular cable is small in peripheral dimension, small in material consumption, less in working procedure number, low in production cost, more convenient to lay and higher in mechanical reliability under stress.

The invention discloses an earphone, which comprises a loudspeaker unit, an audio signal line electrically connected to the loudspeaker unit, a housing for accommodating the loudspeaker unit, and a front cover laid on the housing; the front cover The space between the speaker unit and the speaker unit forms a front acoustic cavity, and the space between the housing and the speaker unit forms a rear acoustic cavity; wherein the rear acoustic cavity is divided into a main rear cavity and a bass rear cavity by a partition wall. A sound guide is laid in the cavity of the bass rear cavity, and the sound guide is curved and filled in the cavity of the bass rear cavity, one end of which is connected to the main rear cavity through the through hole of the partition wall, and the other end is passed through The sound outlet hole on the shell of the bass rear cavity communicates with the outside world. The earphone structure provided by the technical solution effectively improves the low-frequency performance and the intermediate-frequency performance of the earphone, and on the basis of ensuring the stability of the earphone, the appearance of the earphone is more beautiful.

The invention discloses an opposite-pull locking mechanism, belongs to the field of mechanical connecting mechanisms, and provides an opposite-pull locking mechanism capable of realizing opposite-pulllocking connection of two workpieces without increasing the outer contour sizes of the workpieces. The opposite-pull locking mechanism comprises the first workpiece, the second workpiece, and furthercomprises a core rod and a locking screw. A mounting hole is formed in the second workpiece. One end of the core rod is inserted into the mounting hole, and the other end of the core rod is connectedand matched with the first workpiece. A locking hole which is inclined relative to the axial direction of the mounting hole is formed in the second workpiece. The inner end of the locking screw is alocking end capable of extending into the mounting hole. A locking groove is formed in the core rod, and the locking end of the locking screw can extend into the mounting hole and is matched with a locking face in an abutting mode to achieve abutting locking of the core rod. By arranging the core rod and the locking screw, the peripheral sizes of original workpieces are not increased, so that thecorresponding peripheral size of the connected workpieces can be smaller, and the requirements of small parts and some limited installation conditions are met.

The invention discloses a novel support seismic energy dissipator, which comprises an anti-bending device, a core plate and an isolating material arranged between the anti-bending device and the core plate. Two ends of the anti-bending device are provided with limiting stressed plates; one end of the core plate is provided with a tensile device consisting of stiffening plates, tensile limiting plates and compression-resistant limiting plates; the middle of a yield section of the core plate is arranged in the anti-bending device, and one end of the core plate is welded with one end of the anti-bending device; the other end of the core plate, which is provided with the tensile device, and the anti-bending device can relatively slide, and the inner sides of the compression-resistant limiting plate and the limiting stressed plate at the end are respectively provided with a rubber bumper; and the outer surface of the core plate, which is matched with the anti-bending device, is provided with the isolating material. After the novel support seismic energy dissipator is deformed to some extent, the rigidity is improved through the anti-bending device, and a support is prevented from constantly deforming or collapsing under the action of a large earthquake; the variable cross-section times of the core plate is reduced, so that the core plate is convenient to process, the sizes of the core plate and the anti-bending device are reduced through the stiffening plates, the material consumption and dead weight are reduced, the structure is optimized and the cost is reduced.

The invention provides an electric shaver, and relates to the technical field of shaving tools. The electric shaver comprises a shaver body, a first knife group and a second knife group, and wherein the first knife group and the second knife group are assembled on the shaver body; the shaver body comprises a shell body, a motor arranged in the shell body, a first rotating shaft and a second rotating shaft, and wherein the first rotating shaft and the second rotating shaft are correspondingly and rotatably connected to the shell body; the motor is simultaneously connected with the first rotating shaft and the second rotating shaft in a transmission mode, and is used for driving the first rotating shaft and the second rotating shaft to correspondingly drive the first knife group and the second knife group to rotate; and the output shaft of the motor extends in the length direction of the shell body, and included angles are arranged between the output shaft of the motor and the first rotating shaft as well as the second rotating shaft. The electric shaver has small overall peripheral dimension and good portability.