127results about How to "Less prone to misalignment" patented technology

Disclosed is a curable resin composition for surface protection capable of forming a protection film, which is environmental friendly while having good adhesion strength and can be easily removed in a film form in water without leaving any adhesive residue, on a member to be processed. Also disclosed are a photocurable adhesive using such a curable resin composition, a method for temporarily fixing a member, and a method for separating a protection film. Specifically disclosed is a curable resin composition for surface protection, which is characterized by containing a polyfunctional (meth)acrylate (A), a monofunctional (meth)acrylate (B), and a resin (C) having a cyclopentadiene skeleton. Also specifically disclosed is a curable resin composition for surface protection, which is characterized by containing a polyfunctional (meth)acrylate (A), a monofunctional (meth)acrylate (B), a resin (C) having a cyclopentadiene skeleton, and a photopolymerization initiator (D). Further specifically disclosed is a curable resin composition for surface protection, which is characterized by containing a polyfunctional (meth)acrylate (A), a monofunctional (meth)acrylate (B), a resin (C) having a cyclopentadiene skeleton, a photopolymerization initiator (D), and a polar organic solvent (E).

The invention relates to the technical field of liquid crystal display, and discloses a liquid crystal panel and a display device. The liquid crystal panel is that a concave groove structure is formed in a spacer supporting area; a supporting column is arranged at the bottom of the concave groove structure; the part of the spacer, corresponding to the supporting column area is elastically compressed and deformed, and then the supporting column can be embedded into the spacer for fixing and supporting the spacer so that the spacer is difficultly deviated and staggered; the top part of the spacer extends into the concave groove structure; in case of deformation in the panel, the spacer is stopped by the wall of the concave groove structure, and therefore, the spacer can be further prevented from being deviated and staggered, and as a result, the quality and display quality of the product are improved; meanwhile, the spacer and the concave groove structure are respectively corresponding to each other, and thus the aligning precision of the liquid crystal panel can be improved.

Disclosed in the invention is a high-precision assembling housing comprising a housing body, grooves, a mounting plate, a protruding rib, and a housing cover. Reinforced ribs are arranged inside the housing body and are vertically arranged by using threaded columns as centers; and the threaded columns are fixed at the housing body. The mounting plate is arranged inside the housing body; and a plurality of fixation columns extend out of the back of the mounting plate externally. A plurality of clamp grooves are formed in the inner wall of the housing body. The housing cover is arranged at one side of the housing body; clamp hooks are arranged at positions, corresponding to the clamp grooves, inside the housing cover; threaded holes corresponding to the threaded columns are formed in the housing cover; cooling fins are arranged at the outer wall of the housing cover; and the protruding rib is arranged at the end surface of the housing cover. The grooves are formed in the end surface of the housing body correspondingly. The provided high-precision assembling housing has advantages of compact structure and simple assembling. High-precision assembling of the housing is realized; the positioning is accurate; dislocation is prevented; the connecting strength after assembling is high; fixation is firm; the practical property is improved; and the heat radiation effect is good.

The invention discloses a splicing device of a building curtain wall aluminum plate and a splicing method thereof, and belongs to the field of curtain wall splicing devices. The splicing device of thebuilding curtain wall aluminum plate comprises a shaft barrel, two pairs of extension plates are fixed to the lower end of the shaft barrel, sliding grooves are formed in one ends, away from the shaft barrel, of the extension plates, positioning rods are slidably connected in the sliding grooves, vacuum suckers are fixedly connected to the positioning rods, the vacuum suckers are connected with curtain wall aluminum plate bodies, air cylinders are connected between the vacuum suckers and the extension plates, an electromotor is fixedly connected to the upper end of a connecting piece, the power output end of the electromotor is fixedly connected with a transmission shaft, the transmission shaft is in threaded connection with a threaded sleeve, the threaded sleeve is slidably connected inthe shaft barrel, the lower end of the threaded sleeve is fixedly connected with a push plate matched with the vacuum suckers, and the push plate is provided with the connecting piece matched with thecurtain wall aluminum plate bodies, thus, the aluminum plate can be guaranteed to be tightly spliced, the splicing work is all carried out on one device, and the working efficiency is easy to improve.

The embodiment of the invention discloses a key device and an electronic apparatus. The key device comprises a fingerprint-sensing module and a support assembly supporting the fingerprint-sensing module. The support assembly comprises a support base plate and a support side plate fixedly connected with the support base plate. The fingerprint-sensing module comprises a fingerprint-sensing chip and a circuit board. The first surface of the circuit board is fixedly connected with the support base plate. The first surface of the fingerprint-sensing chip is fixedly connected with the second surface of the circuit board. The fingerprint-sensing chip is electrically connected with the circuit board.

The invention relates to the field of mining equipment, especially to a multiple-cylinder rolling bearing hydraulic cone crusher. The multiple-cylinder rolling bearing hydraulic cone crusher comprises the following components: a frame, a transmission mechanism, an eccentric mechanism, a moving cone set and a moving cone anti-reverse rotation mechanism. According to the invention, the frame comprises a lower frame and an upper frame; the transmission mechanism, the eccentric mechanism, the moving cone set and the moving cone anti-reverse rotation mechanism are all installed on the lower frame; the transmission mechanism is connected with the eccentric mechanism; the lower end of the moving cone set is arranged inside the eccentric mechanism; and the upper end of the moving cone anti-reverse rotation mechanism is connected with the lower end of the moving cone set. The multiple-cylinder rolling bearing hydraulic cone crusher is characterized in that the space of the lower frame is reasonably arranged and the axial angle of a fixed cone can be adjusted by the upper frame, so as to change the size of a crushing cavity. Eccentric rotation and swing of the moving cone set are also stable.

The invention provides a display module integrating a touch panel and an assembling method thereof. The display module comprises a display panel, a first frame, a touch panel and a second frame; the display panel is arranged in the first frame, the touch panel comprises a touch region and an edge region around the touch region; the first frame is provided with a counterpoint part and used for enabling the touch region of the touch panel to correspond to a display region of the display panel; and the second frame is sleeved on the touch panel and the first frame and used for positioning the touch panel in a direction vertical to the display panel. According to the invention, the display module integrating the touch panel can be conveniently assembled and the product quality can be improved.

The invention discloses a zipper slider inverted inserting machine with a slider forward-inserting a zipper tape. The machine comprises a zipper tape action system, a slider action system and a control system, wherein the system comprises a zipper tape feeding device, a tape hooking-locating device and a tape pressing-fixing device; the zipper tape feeding device is used for feeding a zipper tape, the tape hooking-locating device is used for locating the zipper tape and the tape pressing-fixing device is used for fixing the zipper tape; the slider action system comprises a slider conveying device and a slider clamping-fixing device; the slider conveying device is used for conveying a slider and the slider clamping-fixing device is used for clamping-fixing the slider; the control system is used for controlling operations of the zipper tape action system and the slider action system; and the slider action system further comprises a slider forward-inserting device which is used for driving the slider to do a forward motion, so that the slider is inserted on the zipper tape in a forward direction. According to the zipper slider inverted inserting machine provided by the invention, the zipper tape just can do a forward motion in a stepping mode, and the slider, which is driven by virtue of the slider forward-inserting device, can do the forward motion when the zipper tape is static, so that the slider is inserted on the zipper tape in the forward direction. The problem that the zipper tape can get dislocated easily can be prevented since the zipper tape is unnecessary to do alternating motions in forward and backward directions.

The invention relates to a plastic curbstone, which is made of plastic materials and comprises a horizontal hollow body and projecting edges extending out from bottom edges of the hollow body. The hollow body comprises a bottom plate, a top plate, a front plate and a rear plate. The top plate is connected between the top end of the front plate and the top end of the rear plate. The bottom plate is connected between the bottom end of the front plate and the bottom end of the rear plate. The bottom plate, the top plate, the front plate and the rear plate enclose a cavity transversely penetrating two ends of the hollow body. The plastic curbstone is light in weight, convenient in processing, transport and installation, low in cost and recyclable. The invention further relates to a plastic curb comprising the plastic curbstones. Each two adjacent plastic curbstones are tightly fitted and connected together through connectors. The plastic curb is convenient in installation and firm and is capable of effectively alleviating harm to vehicles and persons inside when the vehicles crash against the plastic curb.

The invention discloses a micro light emitting diode display panel, a manufacturing method thereof and a display device, and relates to the technical field of display. The display panel comprises a receiving substrate and a plurality of micro light emitting diodes, wherein the receiving substrate comprises a substrate and a pixel limiting layer, the pixel limiting layer is provided with a plurality of grooves, and the micro light emitting diodes are located in the grooves; at least part of the side wall of the groove is covered with conductive metal, and the conductive metal comprises a firstbinding electrode; the micro light-emitting diode comprises a light-emitting body, a first electrode and a second electrode, and the first electrode is in contact with the first binding electrode; theincluded angle between the surface, making contact with the first binding electrode, of the first electrode and the bottom face of the groove is an obtuse angle. The included angle between the contact surface of the first electrode and the first binding electrode and the bottom surface of the groove is set to be the obtuse angle, and the first electrode and the first binding electrode are in inclined surface contact, so when the micro light emitting diode is impacted in use, the micro light emitting diode has stronger stripping resistance and is not easy to fall off, and the reliability of aproduct is improved.

The invention discloses a computer network interface connecting device, comprising a plug and a socket. A positioning cavity is arranged inside the plug, one end of the positioning cavity corresponds to a network cable interface, the other end of the positioning cavity corresponds to a pin, and positioning blocks are fixedly arranged on both sides of the plug. , the positioning block is set with a trapezoidal sleeve at the end, and an electromagnet is arranged inside the sleeve, and the electromagnet is in contact with the end of the positioning block. There are jacks that match the pins, and positioning grooves that match the positioning blocks are set at the corresponding positions on both sides of the socket. There is an iron plate at the bottom of the positioning grooves, and there are ribs on the end surface of the socket that are compatible with the ribs. The matching groove, the present invention connects the plug and the socket through the plug-in connection between the pin and the socket, the positioning block and the positioning groove, the terminal and the terminal socket, the insertion pin and the positioning hole, the concave seat and the convex hook. The positioning during the process is more accurate, and the plug and socket are easy to pull out.

The invention discloses an embroidered material clamping frame system applied to multi-layer embroidery. The embroidered material clamping frame system comprises an embroidery frame, and further comprises an auxiliary clamping part and a tensioning assembly; an embroidery frame inner side clamping face is arranged on the embroidery frame; a front side embroidered material clamping face and a rearside embroidered material clamping rung are arranged on the auxiliary clamping part, the front side embroidered material clamping face is used for tightly fitting the embroidery frame inner side clamping face to clamp an embroidered material, and the rear side embroidered material clamping rung is used for cooperating with an embroidered material clamp to clamp the embroidered material; the embroidery frame and the cooperating auxiliary clamping part correspond to the tensioning assembly, and the auxiliary clamping part is pulled by the tensioning assembly to the embroidery frame until the auxiliary clamping part is tightly attached and fixed to the embroidery frame. The embroidered material clamping frame system is simple in structure and convenient to use, can well complete single-layeror multi-layer embroidery, is simple and convenient to disassemble and assemble and effortless, lowers the operation difficulty of workers, has good tautness and stationarity, cannot rub and damage the embroidered material, has a good positioning effect, improves the operation efficiency of the workers and the quality of obtained embroidery products, and is extremely worthy of application and promotion in the field.

The invention discloses a shear wall template support. The shear wall template support comprises two side templates which are oppositely arranged and an end face template positioned between the two side templates; the end face template is perpendicular to the side templates; a reinforcing component is arranged on the end face template; a supporting component made of a metal material is arranged at the outer side of each side template. The shear wall template support also comprises connecting assemblies; the supporting components are fixed on the corresponding side templates through the connecting assemblies; the reinforcing component is connected and fixed on the end face template through the connecting assemblies. When the shear wall template support is set up, the template is accurate in positioning, a phenomenon that bump angles of the templates are easily displaced is avoided, and the casting quality of a wall body is high.

The invention relates to the technical field of blood pressure detection, and provides an optical fiber type continuous detection blood pressure sensor. The blood pressure sensor comprises a sensing strap, wherein the sensing strap comprises an inner layer and an outer layer; an accommodating space is formed between the inner layer and the outer layer; an optical fiber is arranged in the accommodating space; a signal processor is arranged at one end of the sensing strap; the signal processor communicates with and is connected to the optical fiber; and an elastic layer covers the outer surface of the sensing strap. The sensing strap is soft and can be coiled into a ring; the optical fiber is arranged along the sensing strap in an extending mode, so that a ring-strap shaped sensing region is formed, and the elastic layer covers the outer surface of the sensing strap; the sensing strap is firmly worn in the region, where radial artery locates, of the wrist of a human body; when the blood pressure sensor is used for detecting blood pressure, pulse waves can be sensed by the sensing region even if the sensing strap rotates or dislocates due to free activities of the human body, the sensing strap, when worn, is unnecessary to be especially located, and blood pressure of the human body can be continuously detected within 24h in a noninvasive mode; therefore, the blood pressure sensor has the characteristics of being high in stability and accuracy. The invention also provides a wearable device, wherein the wearable device comprises the optical fiber type continuous detection blood pressure sensor.

The invention discloses novel building material pipeline cleaning equipment with a telescopic device. The novel building material pipeline cleaning equipment structurally comprises a cleaning mechanism, an oblique plate, a first limiting clamp, an arc bulge, a hand-holding port, a label bar, a gear switch, a second limiting clamp and a bulge body; and the cleaning mechanism and the oblique plate are fixedly connected, the bulge is mounted at the position, close to the tail end of the cleaning mechanism, of the oblique plate, and the first limiting clamp and the second limiting clamp are fixedly mounted at the upper end and the lower end of the head end of the oblique plate. The novel building material pipeline cleaning equipment with the telescopic device is provided with a gear-adjustingmechanism, a unfolding mechanism, an absorption mechanism, a main transmission mechanism, a telescopic device and a hairbrush unloading and replacing mechanism, the outer diameter of a hairbrush is adjusted by using the gear-adjusting mechanism, the unfolding mechanism and the telescopic device, so that the hairbrush is in sufficient contact with the inner wall of a to-be-cleaned pipeline, the cleaning efficiency is improved, the first limiting clamp and the second limiting clamp can further used for hanging the equipment at a pipe opening of the pipeline, a motor is started to make the novelbuilding material pipeline cleaning equipment automatically clean the pipeline, the cleaning equipment is not required to be held by hands of a person, and the two hands are liberated.

The invention discloses a bidirectional electromagnetic valve. A piston is arranged in a valve cavity, and a piston cavity is formed; a first connector and a second connector are arranged on the main valve body; make and break of the first connector and make and break of the second connector are controlled by the piston; the bidirectional electromagnetic valve is also provided with a first flowing channel and a second flowing channel which are respectively connected with the first connector and the second connector, so that refrigerant flows out of the piston cavity; the first flowing channel and the second flowing channel are formed in the main valve body; a pilot valve flowing channel is formed in the main valve body; the piston cavity is connected with a pilot valve opening in a pilot valve body through the pilot valve flowing channel; and a pilot valve head of the pilot valve body moves to open or close the pilot valve opening, so that the first flowing channel and the second flowing channel are connected with or disconnected from the piston cavity. The pilot valve head of the electromagnetic valve is separated from the piston; and when large flow flows through the electromagnetic valve, the stroke of a movable iron core is not required to be increased. The pilot valve head and the main valve body are not easily misplaced, and complicated guiding pieces are not required to be arranged on the main valve body or the pilot valve head. Compared with the background technology, the bidirectional electromagnetic valve has the advantages that the structure is obviously simplified, the machining difficulty and the cost of an assembly process are low, and the control accuracy can meet requirements.

The invention relates to a peripheral pump. The peripheral pump is composed of a pump cavity case, an annular groove, a case inner wall, a groove, a damping gasket, a pump cover, a pump body, a protruding block, a seal ring, a connection frame, a base, a motor, a coupler and a handle and is characterized in that the connection frame is arranged on the left side of the pump cavity case, the coupler is arranged in the connection frame, the motor is arranged on the left side of the connection frame, the handle is arranged on the connection frame, the pump body is covered by the case inner wall, the pump cavity case is arranged on the outer side of the pump body, the pump cover is arranged on the right side of the pump cavity case and is connected to the pump cavity case through a bolt, the damping gasket and the annular protruding block are arranged at the joint between the pump cavity case and the pump cover, the damping gasket is tightly connected in the annular groove through the annular protruding block, the annular groove is formed in the end face of the pump cavity case, and the seal ring is arranged at the lower part of the case inner wall. The peripheral pump has the beneficial effects that the noise is low and the service life is long.

The invention belongs to a medical rehabilitation protection device and a manufacturing method thereof, and particularly relates to a three-dimensional printing protection device and a printing methodthereof. The problem that existing protection devices are inconvenient to adjust according to the change of the affected part can be solved. The protection device is formed by splicing two parts of main bodies based on additive manufacturing, the two main bodies cooperate with each other through fixing rings and locking columns and are used for connecting fixation and limitation, the shape can bedesigned according to the affected part of a patient, the fitting degree is high, the weight is low, the strength is high, and the protection performance is good. Particularly, a fixing device is formed by the fixing rings and the locking columns, thelocking columns of the two parts can be jacked tightly to complete fixation simply by sleeving and rotating the fixing rings, mounting and dismounting are convenient, and the use is convenient; in addition, the elastic adjustment can be carried out in cooperation with different fixing rings according to the swelling degree of the affected part indifferent stages, and bone displacement and other problems are effectively prevented. The whole protection device is accurate to splice and position, a malposition phenomenon does not easily occur, the affected part is fastened more reliably, and the protection device has the advantage of being suitable for various affected parts.

The invention provides a plating stitch weaving technology, a weaving mechanism and a ground yarn floating thread plating stitch. According to the laying-in requirement, knitting needles are divided into the first knitting needles and the second knitting needles; the first knitting needles continue to walk forwards and descend, so that the first knitting needles are cushioned into a veil to form asealed sleeve ring; the second knitting needles ascend to be retracted from the ring, walk forwards to the upper portion of the ground yarn and then gradually descend, so that the second knitting needles are cushioned into the ground yarn and the veil to form a sealed sleeve ring; the position of the sealed sleeve ring formed by the second knitting needles is behind the position of the sealed sleeve ring formed by the first knitting needles. By setting different knitting needle tracks, the position of the sealed sleeve ring formed by the knitting needles only cushioned into the veil is separated from the position of the sealed sleeve ring formed by the knitting needles cushioned into the ground yarn and the veil, the heads of the knitting needles do not touch the ground yarn, the relativerelationship between the veil and the ground yarn remains stable, dislocation is not easy to occur, and the 'yarn floating' problem of the ground yarn floating thread plating stitch is greatly improved.

The invention provides a fuel cell stack, and belongs to the technical field of fuel cells. The fuel cell stack comprises a battery pack which is formed by stacking a plurality of single batteries, afront end plate and a rear end plate are separately arranged at the upper end and the lower end of the battery pack, a front end collector plate is arranged between the upper end of the battery pack and the front end plate, and a rear end collector plate is arranged between the lower end of the battery pack and the rear end plate; each single battery comprises an anode plate, a cathode plate and amembrane electrode, and the membrane electrode is sandwiched between the anode plate and the cathode plate; a first limiting boss is arranged on the periphery of the surface, which faces the corresponding membrane electrode, of each anode plate, and is used for fixing the position of the corresponding membrane electrode; a fuel flow field is arranged on the surface, which faces the correspondingmembrane electrode, of each anode plate; and a second limiting boss is arranged on the surface, which faces the corresponding membrane electrode, of each cathode plate, and an oxidizing agent flow field is arranged on the surface, which faces the corresponding membrane electrode, of each cathode plate. By the stack, the amount of compression of a gas diffusion layer of each membrane electrode canbe controlled accurately, the uniformity of the performance of the single batteries in the stack is good, and the service life of the stack is prolonged.

The invention discloses a multifunctional hand-held electric drill structure, comprising: a U-shaped handle, an installation seat is arranged on the upper end of the U-shaped handle, a first guide rod is arranged at the upper end of the installation seat, and a first guide rod is arranged at the upper end of the U-shaped handle. A gun drill seat is arranged on the guide rod, and a series excitation motor is arranged in the gun drill seat. The motor shaft of the series excitation motor extends out of the gun drill seat and is connected with the drill bit, and the inside of the installation seat is symmetrical on both sides A first bearing seat is provided, a first screw rod is rotatably arranged in the first bearing seat, a first screw sleeve that cooperates with the first screw rod is arranged at the lower end of the gun seat drill, and the U-shaped handle is provided with a first screw sleeve. A second guide rod is arranged at the lower inner end of the motor, and a first servo deceleration motor is slid on the second guide rod. It is connected with the fast driving bevel gear.

The invention discloses a fixation device for orthopaedic resetting, and mainly relates to the field of medical instruments. The fixation device includes two elastic plates, two support bars are respectively set at corresponding positions of the elastic plates, four support bars surround to form four side faces, a length adjusting device is set at one side face between the two elastic plates, elastic straps are set at other three side faces, connection plates are respectively set at the bottom part of the two elastic plates, an angle adjustment device is set between the connection plate and the elastic plate, and a plurality of leg binding devices are set at the bottom part of the connection plate. The fixation device for orthopaedic resetting has the beneficial effects of: waists and legscan be fixedly at the same time, the two are used as support points for each other, with good fixing effect, and the fixation strength can be conveniently controlled to improve the use experience ofa patient, for facilitating the recovery of diseases.

The invention provides a layered and extractable type high-prevision frequency adjustment vibrating screening machine, and relates to the field of machinery. The layered and extractable type high-prevision frequency adjustment vibrating screening machine comprises a fixing base and a screening tool. A base plate is installed on the top of the fixing base, and the fixing base and the base plate areconnected through four supporting rods which are perpendicular to each other. A frame wall is fixedly connected with the top of the base plate, four fixing rods are further arranged on the top of thebase plate, and long U-shaped grooves are installed in the inner sides of the fixing rods. Screening basins are arranged on the tops of collecting basins, and mesh screen covers are installed on thetops of the screening basins. According to the layered and extractable type high-prevision frequency adjustment vibrating screening machine, a closed space is formed, the situation that the positionsof the mesh screen covers and the screening basins, the positions of the screening basins with different sizes, the positions of the screening basins and the collecting basins and the positions of thecollecting basins and the base plate are relatively stable is guaranteed, and therefore the whole screening tool is not prone to be dislocated, and materials cannot be spill from the screening tool;meanwhile, installation, disassembly and cleaning are easier; and the weight is automatically displayed by an electronic displayer, high-precision frequency adjustment is achieved, and the vibration efficiency of the different materials is improved.

The invention belongs to the field of zipper equipment and in particular relates to a novel pull head mounting machine. The pull head mounting machine comprises a zipper stripping device, wherein thezipper stripping device comprises a zipper stripping platform, a sensing piece is arranged in front of the zipper stripping platform, a sliding block which can move along a zipper conveying directionis arranged on the upper surface of the zipper stripping platform, a first stripping needle is arranged in the sliding block, a fixation frame is arranged at the rear of the zipper stripping platform,a second stripping needle is arranged in the fixation frame, a pull head conveying device comprises a pull head mould, a pull head fixation position is moulded on the pull head mould, the pull head mould rises to a set position, and the pull head fixation position is located between the zipper stripping platform and the second stripping needle; and a stop block is arranged on the zipper strippingplatform, a first reset spring is arranged between the bottom of the stop block and the bottom of a stop slot, space between the stop block and the fixation frame is equal to width of the sliding block, and a first reset device used for driving the sliding block to be far away from the fixation frame is arranged on the sliding block. The pull head mounting machine has the advantages of simple structure, convenience in use, high pull head mounting efficiency, conservation of labor cost and high degree of automation.

Disclosed is a cast-in-situ concrete hollow slab, which comprises a reinforced-bar concrete (1) and hollow blank members (2), the hollow blank members (2) are enclosed in the reinforced-bar concrete (1), the hollow tire body (2) is provided with a bracing strut (3), the outer wall (4) encloses the hollow tire body (2) formed with a cavity (5), cast-in-situ reinforced bar concrete ribs (6) formed by the reinforced-bar concrete (1) are disposed between the hollow tire bodies (2), characterized in that the hollow carcass (1) or / and bracing strut (2) is provided with a fixed or split anti-floating and positioning member (7). The invention can be applied to cast-in-situ reinforced concrete or prestressed reinforcement concrete's hollow storied-building roofings, house roofings, walls, foundation bedplates and bridges, especially for hollow flat slabs.

The invention relates to the field of water seepage prevention structures, in particular to a water seepage prevention structure of a deformation joint. The water seepage prevention structure of the deformation joint comprises a waterproof piece and a bottom plate with the deformation joint; the waterproof part is arranged above the deformation joint of the bottom plate, a diversion trench is formed between the waterproof part and the bottom plate, and the diversion trench communicates with a drainage ditch of a pipe gallery; a first positioning groove and a second positioning groove are formed in the bottom plate and located in the two sides of the deformation joint of the bottom plate correspondingly; and a first positioning part and a second positioning part are arranged on the two sides of the waterproof piece correspondingly, the first positioning part is embedded in the first positioning groove, and the second positioning part is embedded in the second positioning groove. According to the water seepage prevention structure of the deformation joint, the waterproof performance is stable, the problem of water seepage is not prone to happening, and the overall service life of thepipe gallery can be prolonged.

The invention relates to a control method and aims to provide a method for short distance code matching between remote controllers and a host in a radio frequency mode, so that code matching operationcan only be performed when the distance between the remote controllers and the host is short enough, and problems caused by remote matching are solved. The technical scheme is characterized in that the method for short distance code matching in the radio frequency mode comprises the steps as follows: 1) a different 16-bit serial number is burnt in a chip of each remote controller; 2) each remotecontroller sends a code matching signal to the host; 3) the host receives the signal and identifies signal strength of the message; if the signal strength value is smaller than 0*10, the distance between the corresponding remote controller and the host is short enough, and the host accepts the code matching signal and performs code matching; if the signal strength value is larger than 0*10, the distance between the corresponding remote controller and the host is relatively long and the host ignores the signal.