58results about How to "Increase usage intensity" patented technology

The invention provides an anti-falling device for building construction management, which structurally comprises balance blocks, positioning blocks, locking bodies, grooves and a protective structure, the balance blocks are arranged at the upper and lower positions of the positioning blocks, the positioning blocks are mounted on a building through the locking bodies, and the positioning blocks are connected with the two ends of the protective structure through the grooves; on the basis of the stainless steel positioning block and the locking body, the two ends of the anti-rust body can be positioned through the grooves, then the anti-rust body is fixed through a rebound frame, a rubber block and a magnetic attraction block, the effect of convenient disassembly and assembly is achieved, and then building falling objects can be effectively received and positioned through a rebound net and an elastic block in a receiving groove; and an original pure wood support and an independent rebound net are replaced, so that the durability is improved, the situation that the whole rebound net is punctured due to impact force is prevented, and the actual use strength of the anti-falling object can be improved.

The utility model relates to corrugated case technical field discloses a kind of buckling type corrugated cases of foldable flat storage, including carton main body, bottom paperboard, side paperboard, front end paperboard, the front end paperboard is fixed in the front and rear position of bottom paperboard top, iron sheet is fixed in the second cover plate, magnetic attraction piece is fixed in the first cover plate.The utility model is by using bottom paperboard, side paperboard, front end paperboard jointly surrounds to form carton main body, and it is formed in the intermediate position of side paperboard and front end paperboard with flexible foldable end, it is provided with a section of flexible bending plate at the connecting place of bottom paperboard and front end paperboard, thus when folding and storing to carton main body whole, folding inward at the position of foldable end, so that the uppermost layer of this carton main body folds downward, based on the bendable design of each connecting place, it is convenient to fold and compress to carton main body whole, make it tend to flat state, and then improve the storage capacity of whole.

This utility model discloses a chassis protection frame in the field of personal mobility scooter technology, including a chassis, a mounting frame on the underside of the chassis, a mounting groove on the outer side of the mounting frame, multiple sets of protective frames inside the mounting groove, two sets of positioning blocks fixedly mounted on the upper side of each set of protective frames, and two positioning grooves for mating the positioning blocks on the upper side of the mounting groove. The positioning blocks are movably inserted into the positioning grooves. Mounting holes are provided through the outer sides of the mounting frame and positioning blocks, and fixing rods are movably inserted into the inner side of the mounting holes. The outer sides of the fixing rods, located on both sides of the mounting frame, are provided with threaded surfaces, and locking nuts are threaded onto the outer sides of both sets of threaded surfaces. This utility model, through its simple installation structure, facilitates the assembly and disassembly of the protective frame, improves the ease of installation and disassembly, reduces workload, and increases work efficiency. Furthermore, it allows for easy replacement of damaged parts, effectively reducing maintenance costs and avoiding resource waste. Its practical effect is excellent and worthy of promotion and use in the current market.

The utility model relates to a dustproof and waterproof elevator call-out box which comprises a box cover and a bottom shell. The bottom shell is provided with a rectangular opening communicated with an inner cavity of the bottom shell, the rectangular opening faces the box cover, and the box cover covers the rectangular opening to form a mounting cavity. Folded edges are horizontally arranged on four outer side walls of the bottom shell at the rectangular opening, and the side walls of every two adjacent folded edges are connected, so that the four folded edges form a sealing convex edge; a first sealing gasket is arranged on the sealing convex edge and covers the whole sealing convex edge, so that when the box cover and the bottom shell are connected in a matched mode, the first sealing gasket is located between the sealing convex edge and the inner side wall of the box cover, and the mounting cavity is sealed. According to the elevator call-out box, the sealing convex edge is arranged, and the first sealing gasket is arranged on the sealing convex edge, so that the sealing area of the sealing surface is increased, the dustproof and waterproof performance of the mounting cavity in the elevator call-out box is further guaranteed, and the service life of electronic components in the elevator call-out box is prolonged.

The utility model discloses a sound insulation aluminum profile reinforcing structure, and particularly relates to the technical field of aluminum profiles, the sound insulation aluminum profile reinforcing structure comprises an aluminum profile outer frame, a sound insulation reinforcing protection device is arranged in the aluminum profile outer frame, and the sound insulation reinforcing protection device comprises a supporting stabilizing assembly and a sound insulation protection assembly. The supporting and stabilizing assembly is arranged on the outer wall of the sound insulation protection assembly. Compared with the prior art, the sound insulation aluminum profile reinforcing structure has the advantages that when the sound insulation protection assembly is used, the sound insulation cotton is installed in the sound insulation inner cover arranged in the sound insulation protection assembly for sound insulation, and the problem that an aluminum profile outer frame does not have the sound insulation effect when used is solved; and the device performs stable cross-shaped supporting work through a cross-shaped supporting frame arranged in the sound insulation protection assembly, so that the stability and the use strength of the aluminum profile outer frame during use are further enhanced.

The utility model relates to a kind of reinforced concrete electric pole in the technical field of concrete electric pole, including concrete electric pole body, the inside top end and bottom end of the concrete electric pole body are equipped with positioning assembly, inside reinforcing cage is equipped between the positioning assembly, reinforcing assembly is equipped between the positioning assembly, the surface outside of inside reinforcing cage and reinforcing assembly is wound with winding steel cable, the reinforcing assembly includes reinforcing rod, the surface outside of the reinforcing rod is equipped with a plurality of first reinforcing block equidistantly, first recess is set in the end of the first reinforcing block, by the reinforcing assembly equipped, the connection between inside reinforcing cage can be stably strengthened, so that the overall use intensity of inside reinforcing cage is improved, so as to be able to improve the overall use intensity, reinforce overall, it is convenient and fast to operate.

The utility model discloses a novel lightning arrester with stable structure relates to lightning arrester technical field, including insulating installation base, the top of insulating installation base is installed with lightning arrester body, the top of lightning arrester body is installed with equalizing ring through connecting mechanism, and the top of connecting mechanism and lightning arrester body are connected in cooperation, and the top of connecting mechanism is inserted with the protection mechanism for the protection of the top of connecting mechanism and is matched with the protection mechanism. The utility model discloses through the setting of connecting mechanism can increase the convenience of the connection between lightning arrester body and equalizing ring, through the collapsible connecting mechanism increases the convenience of the device in the transportation process, avoids the collision in the transportation process and leads to the deformation of equalizing ring and connecting mechanism, influences the assembly of device later period, in addition, the connecting mechanism that can expand can increase the connection cooperation degree between connecting mechanism and equalizing ring, and can improve the stress uniformity of equalizing ring, increases the overall stability and use intensity of device.

The utility model discloses a novel shoe sole of comfortable exhaust, its structure includes: bonding end, overlapping frame, shoe sole main part, outer gas channel, check valve no.

This invention discloses a core structure for a highly reliable electronic gear shifter, including a bracket, side plates, a toothed plate, and a shifting assembly. The shifting assembly includes a left shift block, a shift lever, a right shift block, steel balls, a locking plate, a locking spring, a gear position spring, and a sleeve. The shift lever is clamped and fixed by the left and right shift blocks. The cylindrical boss of the left shift block is tightly fitted with the inner hole of the large bearing, and the pin hole of the right shift block is tightly fitted with a pin, which is also tightly fitted with the inner hole of the small bearing. The locking spring and locking plate slide within the inner cavities of the left and right shift blocks, the steel balls and gear position spring move within the inner hole of the sleeve, and the steel balls and locking plates are slidably connected to the toothed plate. The unlocking lever slides within the shift lever. This invention enhances the shifting operation feel, increases the service life of the gear shifter, improves the strength and structural reliability of the gear shifter, and the locking function avoids the risk of misoperation.

This utility model discloses an electric unlocking device for four-post parking, including a column. A lowering plate and an upper loading plate are slidably mounted on the inner ends of the column, respectively. A fixing plate is fixedly connected to the side of the column. A support shaft is fixedly connected to the surface of the fixing plate. A lower limit block and an upper limit block are rotatably mounted on the surface of the support shaft. A support seat is provided on the lower surface of both the lower and upper limit blocks. An electric push rod is hinged to one side of the support seat and hinged to one side surface of the fixing plate. A combination seat is provided at the rear end of the lower and upper limit blocks. A connecting ring is hinged inside the combination seat. A mounting cylinder is fixedly connected to one end of the connecting ring, and a first push rod is fixedly connected to one end of the mounting cylinder. This device allows for combined connection and positioning, facilitating unified control and operation, and offering high adaptability and ease of adjustment.

The utility model discloses an unreinforced water tank edge sealing structure in the technical field of unreinforced water tanks, which comprises a water tank main body, the water tank main body is formed by splicing a plurality of groups of water tank side plates, the inner sides of the water tank side plates are fixedly provided with sealing blocks, the sealing blocks penetrate through the water tank side plates and extend to the outer sides, and the outer sides of the water tank side plates are provided with connecting ribs. And through holes are formed in the outer sides of the sealing blocks and the connecting ribs in a penetrating mode, connecting rods are inserted into the inner sides of the through holes, two threaded surfaces are arranged on the outer sides of the connecting rods, and nuts are arranged on the outer sides of the two threaded surfaces in a threaded sleeving mode. Through the simple mounting structure, the water tank side plate can be conveniently pre-mounted, the sealing block can be conveniently welded and fixed subsequently, the overall assembling efficiency of the water tank is improved, meanwhile, the water tank side plate can be conveniently supported and reinforced, the operation is not needed in a welding mode, and the cost is reduced. And parts such as the connecting ribs can be conveniently detached and replaced subsequently, the replacement convenience is improved, the practical effect is good, and the device is worthy of being popularized and used in the existing market.

The utility model relates to a municipal drainage device convenient to maintain, which belongs to the technical field of municipal engineering and comprises a drainage main body, a detachable grate is slidably mounted in the drainage main body, and a plurality of long-strip-shaped hole grooves are formed in the detachable grate and are arranged at equal intervals. Compared with the prior art, the drainage device has the advantages that the long-strip-shaped hole grooves can be used for blocking outside large-size branches or plastic bags, the filtering frame and the filtering net are used in cooperation, fruit scraps, fallen leaves and other small garbage entering the drainage body can be blocked, and the drainage device is convenient to use. By arranging the detachable grate and the fixing frame, the phenomenon of clogging caused by the fact that garbage enters the drainage channel can be prevented, the garbage filtering effect can be improved by arranging the multiple layers of filter screens, meanwhile, a worker can lift the detachable grate and the fixing frame out of the drainage body, and then the damaged filter screen and the damaged filter frame can be conveniently and independently replaced; therefore, the maintenance cost caused by overall replacement can be reduced.

The utility model discloses a kind of anti-static self-sealing shielding bags, it is related to shielding bag technical field, including shielding bag main body, shielding bag main body includes shielding bag, the inside of shielding bag is provided with anti-static shielding bag, connecting plate and sealing connecting plate, and the top of shielding bag is provided with extension bag, the inside of extension bag is provided with connecting rail, sealing filling strip and connecting side plate, the outside of extension bag is provided with separation assembly, separation assembly includes mounting plate, the side of mounting plate is provided with partition plate, and one side of partition plate is provided with magnetic adsorption strip and adsorption strip, the middle of mounting plate is provided with connecting seat and mounting groove. The utility model is strengthened by the shielding bag and anti-static shielding bag set up shielding bag main body's use intensity, and by the sealing filling strip of setting is connected in the inside of filling groove in connecting rail middle, to realize the sealing of shielding bag main body, need not stick connection, it is convenient to repeatedly use shielding bag main body.

The utility model discloses a kind of chip test probe positioning calibration structure, it is related to chip test probe positioning calibration technical field, including probe base and the multiple interval setting test probe of being slid in the inside of probe base, the bottom of probe base is provided with recess, recess is equipped with multiple interval setting elastic buffer sheet, the bottom of test probe is fixed with two symmetrical settings pressure rod, the bottom of pressure rod and the lateral portion of elastic buffer sheet contact cooperation, the lower end of elastic buffer sheet is provided with through-hole, support block is slid and is provided in through-hole, support block is fixed in the inner side wall of recess, the outer wall of probe base is fixed with support frame, the upper end of support frame is fixed with CCD detection camera. The utility model can effectively guide buffering when probe contacts chip, try to avoid the pressure that different length specifications probe is subjected to is different, reduce the pressure damage that probe is subjected to, improve the use intensity of probe.

The utility model discloses an anti-torsion rivet nut, which relates to the technical field of rivet nuts and comprises a nut cap, a rivet nut body and deformation columns, the bottom of the nut cap is connected with the rivet nut body, internal threads are arranged on the inner wall of the rivet nut body, and the deformation columns are vertically and uniformly arranged on the upper side of the outer wall of the rivet nut body. A ring-shaped vertical circular groove is formed in the outer wall of the top of the rivet nut body, the vertical circular groove is formed in the upper portion of the deformation column, the second rubber ring is arranged on the rivet nut body, the first rubber ring is arranged in the transverse circular groove in a sleeved mode, when the rivet nut body deforms, the first rubber ring and the second rubber ring are extruded to deform, and therefore the rivet nut body is prevented from being damaged. The friction force is increased, and the limiting groove is matched for use, so that the stability of the rivet nut body during use is ensured, the use strength of the rivet nut body is improved, and the torsion resistance of the rivet nut body during use is improved.

The utility model relates to the technical field of cartons, and discloses an anti-collision compression-resistant carton which comprises a carton body, bottom supporting plates are installed on the bottom face in the carton body in a stacked mode, solid layers are formed in the bottom supporting plates, plastic strips are assembled on the right-angle sides of the carton body, and the plastic strips are connected with the bottom supporting plates in a stacked mode. A right-angle end matched with the right-angle side is formed on the plastic strip, a double-sided adhesive layer is fixed on the right-angle end, and the outer part of the double-sided adhesive layer is connected with isolation paper. The carton body is formed by folding the paperboard, the eight side lines in total and the four side lines of the side edges are formed after folding, the double-faced adhesive tape layer is exposed outside after the release paper is torn off, then the plastic strips are attached to the side lines of the carton body, the right-angle ends of the right angles are formed on the plastic strips, and therefore the carton body is more attractive in appearance. Therefore, the right-angle end can be matched with the right-angle shape of the side line, the plastic strip is used for supporting the exterior of the carton body, the deformation problem caused by extrusion in the transportation process is effectively solved, and the overall external anti-deformation capacity is improved.

The utility model belongs to the stacking machine technical field especially is a kind of stacking mechanism of stacking machine, including mounting bracket, several vacuum chuck are equipped on the mounting bracket, two fixed profiles are fixedly connected in the bottom of mounting bracket, several installation adjusting plates corresponding with the vacuum chuck are equipped on the fixed profile, two the fixed profiles between fixedly connected with reinforcing midboard, installation adjusting plate one end is located in the reinforcing midboard;Object is grabbed and is stacked by vacuum chuck fixed object, the position of installation adjusting plate can be adjusted according to the size of object, so that installation adjusting plate can be stably used under the support of reinforcing midboard, while the use intensity of mounting bracket whole can be strengthened, under the cooperation of first adjusting hole and second adjusting hole, so that fastening bolt is located in the position required, so different object size, specification can be grabbed, the use position of vacuum chuck is easily adjusted, improve the effect of stacking machine stacking.

The utility model provides a kind of building insulation board joint sealing device, it is related to insulation board installation technical field, and it includes: glue injection mechanism, the glue injection mechanism includes filling cylinder, one end of the filling cylinder is equipped with connecting barrel, the inside of filling cylinder is sleeved with glue injection pipe, the glue injection pipe is fixedly connected with filling cylinder, the outer surface of the glue injection pipe is sleeved with connecting frame, the connecting frame is fixedly connected with glue injection pipe, the side surface of the connecting frame is fixedly connected with support rod.The utility model, by being provided with glue injection mechanism, the sealant that fills the gap between insulation board is effectively filled into the inside of gap, so that the heat preservation effect when using insulation board is better, and glue injection pipe is set, and the diameter of glue injection pipe is smaller, and then glue injection pipe can be deeply filled into the gap between insulation board, so that sealant can be filled into the inside of gap.

The utility model discloses a high-strength aluminum alloy embedded channel which comprises an aluminum alloy frame body, a positioning channel is arranged in the middle of the aluminum alloy frame body, a first reinforcing mechanism is arranged on one side of the aluminum alloy frame body, and a second reinforcing mechanism is arranged on the other side of the aluminum alloy frame body. Each of the first reinforcing mechanism and the second reinforcing mechanism comprises a side reinforcing body and a plurality of reinforcing ribs connected to the middle of the side reinforcing body, each side reinforcing body comprises an aluminum alloy plate, a carbon steel sheet and screeding blocks, the carbon steel sheet is fixedly connected to one side of the aluminum alloy plate, and the screeding blocks are arranged on one side of the carbon steel sheet; according to the high-strength aluminum alloy pre-buried channel, the periphery of the whole aluminum alloy pre-buried channel is effectively reinforced, the supporting strength of the channel is improved, the channel is not prone to being extruded and deformed, therefore, the use strength is higher, the service life of the channel is prolonged, the service life of the channel is prolonged, and the service life of the channel is prolonged. The service life is prolonged.

The utility model relates to the technical field of underground engineering leakage point plugging, and discloses an underground engineering leakage point hole plugging structure which comprises a plugging plate and a bottom plate, second guide holes are formed in the top end and the bottom end of the interior of the plugging plate, and a buffer spring is connected to the outer side wall of one side of a buffer column. The bottom plate is fixedly installed through the installation bolts, the permeation holes are located in the reserved grooves, so that the stability of the bottom plate and the contact surface after installation is guaranteed, the bottom plate makes contact with the base plate firstly in the inserting process, and therefore the first guide columns can pass through the first positioning grooves firstly, and the second guide columns make contact with the second positioning grooves firstly. When the plugging plate is connected with the bottom plate, a second guide column firstly passes through a second positioning groove, meanwhile, a buffer spring contracts, and a buffer column moves in an adjusting groove, so that when the plugging plate is connected with the bottom plate, the buffering work during installation is also achieved, the operability is improved, and after corresponding insertion is finished, the plugging plate and the bottom plate are fixed through screws; and certain convenience is improved.

The utility model provides a high-flexibility electric wire and cable, and belongs to the field of cables, in order to solve the problem that fire-resistant protection is inconvenient, the high-flexibility electric wire and cable comprises a wire core, an insulating layer is fixedly connected to the wire core, a heat-insulating layer is fixedly connected to the insulating layer, a waterproof layer is fixedly connected to the heat-insulating layer, a filler is arranged in a reinforcing layer, and the reinforcing layer is provided with a waterproof layer. A protection layer is arranged on the strengthening layer, a wear-resisting layer is fixedly connected to the protection layer, and wear-resisting protruding blocks are fixedly connected to the wear-resisting layer. A reinforcing layer is arranged; when the produced wire and cable is used and the wire cores in the insulating layer conduct electricity, protection can be carried out through the heat insulation layer, the situation that the using effect is affected by high temperature is avoided, the reinforcing layer is in a net shape, the using strength of equipment can be improved, the reinforcing layer is made of a flexible material and can be bent, and the service life of the equipment is prolonged. And the filler filled in the net-shaped reinforcing layer is the flame-retardant particles, so that the flame-retardant and fireproof effects can be achieved, and the fireproof and fire-resistant performance is improved.

The present application relates to a kind of forging method of three-cylinder crankshaft, belong to engine parts manufacturing field.It includes: S1: heating to work temperature to bar stock;S2: using press bending die to press bend second connecting rod neck;S3: using connecting rod neck pre-pressing die to first connecting rod neck and third connecting rod neck are pre-pressed;S4: using balance block pre-pressing die to first connecting rod neck balance block and third connecting rod neck balance block are pre-pressed;S5: using final forging die to the product obtained in step S4 is final forged;S6: to the product obtained in step S5 is trimmed.The present application is favorable to reduce the amount of material flow to connecting rod neck surface in the process of crankshaft forging bar stock core portion, to improve the overall quality and use strength of crankshaft.

The utility model discloses an integral connecting seat type oil seal assembly which comprises a first installation framework and a second positioning block arranged on the rear side of the first installation framework, and the rear side of the second positioning block is connected with a second installation framework. The first positioning block is mounted in the first mounting framework, a supporting plate is connected to the rear side of the first positioning block, a sealing rubber ring is attached to the rear side of the supporting plate, and a first guide groove is formed in the front side of the first mounting framework. According to the integral connecting seat type oil seal assembly, the device can be conveniently and rapidly disassembled, assembled and replaced when being damaged, the whole device does not need to be replaced when being damaged, the maintenance and overhaul efficiency of the device is prevented from being affected, the maintenance cost of the device is reduced, meanwhile, the installation position can be conveniently positioned and guided in the oil seal assembly process, and the installation efficiency is improved. And the situation that the device is unstable in connection due to installation deviation is not prone to occurring, the installation stability of the device is improved, and the better using effect is achieved.

The utility model relates to the technical field of building decoration, and particularly discloses an aluminum honeycomb cabinet plate which comprises a plate main body, and the plate main body comprises a first honeycomb core layer and a second honeycomb core layer, the inner plate layers are arranged on the upper and lower sides of the first honeycomb core layer; the two second honeycomb core layers are respectively arranged on the outer sides of the two inner plate layers; the outer plate layers are respectively arranged on the outer sides of the two second honeycomb core layers; wherein the thickness of the outer plate layer is larger than that of the inner plate layer, and an edge sealing plate is arranged on the whole body of the plate body in a surrounding mode. The inner plate and the outer plate are combined with the multi-layer honeycomb core structure, so that the overall use strength is improved, the edge of the whole body is conveniently sealed, and the problem of insufficient nail-holding power of mounting screws of the honeycomb plate is solved.

The padlock comprises a padlock body, a padlock beam used in cooperation with the padlock body, and the anti-prying assembly rotationally installed on the upper portion of the padlock body and used for reinforcing the padlock beam. The center of the padlock beam is a carbon steel beam core, and the bending position of the padlock beam is sleeved with a nickel alloy reinforcing beam wall outside the carbon steel beam core; the anti-prying assembly comprises two L-shaped rotating plates which are installed in a relatively rotating mode, the corresponding sides of the two L-shaped rotating plates are each provided with a set of attaching plates, the upper portions of the attaching sides of the two sets of attaching plates are each provided with a set of arc-shaped grooves corresponding to the wall of the nickel alloy stiffening beam, and each set of attaching plates is provided with a set of locking grooves located in the middles of the arc-shaped grooves; the padlock beam is pressed downwards and then attached to the inner walls of the two sets of arc-shaped grooves. According to the utility model, the two groups of L-shaped rotating plates can have higher use strength, and the two groups of attaching plates are attached to each other, so that the filling of a gap between the padlock body and the padlock beam is completed, and the possibility of picking the padlock is avoided.

The utility model relates to the technical field of flexible freight bags, and discloses an outer barrier type leakproof flexible freight bag, the inner side of an outer mold is fixedly connected with an iron wire net, the inner side of the iron wire net is fixedly connected with a rubber layer, and lifting assemblies are arranged in two adjacent containing grooves. The iron gauze can integrally support the outer mold and the inner mold, material delivery is facilitated, collapse of the outer mold and the inner mold is avoided, meanwhile, the use strength of the outer mold and the inner mold is improved, and when the outer mold is subjected to external force in cooperation with the use of the rubber layer, the outer mold is not prone to falling off when the outer mold is subjected to external force. Due to the fact that the rubber layer has the material characteristic of strong toughness, the flexible freight bag is not prone to being punctured, if the flexible freight bag is punctured due to large force, the rubber layer can be automatically closed due to the resilience characteristic, and therefore materials are not prone to being leaked immediately after the flexible freight bag is punctured, the materials are prevented from being scattered on the ground, and troubles brought to work of workers are avoided.

The utility model provides a lead protection device of a bearing of a roller disc type coal mill. The lead protection device is characterized in that connectors are fixed on two sides of a metal tube; the bent pipe is connected to the connector, and a nut is arranged at the tail end of the bent pipe. The spring is wound on the metal tube; and the outer side wall of the spring is coated with a wear-resistant layer. According to the overall structure, the service life is prolonged, and meanwhile the use strength and the limiting protection capacity of the device are improved.

This application provides a planetary roller screw, relating to the field of mechanical transmission technology. The planetary roller screw includes an end cap assembly, a threaded component, a gear component, and a roller assembly. The threaded component has a first thread. The gear component has a first gear tooth, and its end is fixedly connected to a first position of the end cap assembly. The end of the roller assembly abuts against a second position of the end cap assembly. The roller assembly includes multiple roller structures disposed between the threaded component and the gear component. The outer surface of the roller structure has threaded teeth; the threaded teeth near the threaded component mate with the first thread, and the threaded teeth near the gear component mate with the first gear tooth. The planetary roller screw provided by this application simplifies the structure of the planetary roller screw, reduces its manufacturing cost, and lowers its assembly difficulty.

The utility model discloses a kind of wear-resistant UPVC electrician pipe sleeve, including inner tube and outer tube, buffer tube is equipped between the inner tube and outer tube, first wear layer is equipped on the outer side wall of outer tube, second wear layer is equipped on the inner side wall of inner tube, buffer tube includes outer protective tube and inner protective tube, a plurality of rubber heads are installed between the outer protective tube and inner protective tube, filling layer is equipped between a plurality of rubber heads (8), buffer layer is equipped between a plurality of rubber heads (8) and outer protective tube, the wear-resistant UPVC electrician pipe sleeve, overall has good wear resistance, high in use intensity, and the impact resistance of the whole pipe fitting is effectively increased by the internal buffer assembly setting, suitable for use widely.

The utility model discloses a forming die for a cable sheath, which comprises an extrusion molding head, the extrusion molding head comprises an inlet section (1), a forming section (2) and an outlet section (3), the inlet section (1), the forming section (2) and the outlet section (3) are sequentially arranged along the forming moving direction of a cable, the inlet section (1) and the forming section (2) are arranged on the inner wall of the extrusion molding head, the forming section (2) is horizontally arranged, and the outlet section (3) is arranged on the inner wall of the extrusion molding head. And the forming section (2) is coated with a PVD (Physical Vapor Deposition) layer (4). The utility model provides a forming die for a cable sheath, which is used for ensuring the forming quality of a protective layer of a large-length cable in the forming process.