94 results about "Duroplast" patented technology

This article is a transfer aid made substantially of hard plastic (e.g., ultra-high molecular weight polyethylene) and used to transfer a person (patient) from a bed or the like to a wheelchair (or seat), or vice versa. The transfer aid (10) comprises a floor plate body (11) having a longitudinal length of approximately 400 to 1000 mm and a thickness of approximately 4 to 10 mm. A buttocks interference prevention part (12) is provided in the center of one side of the floor plate body (11), and under-buttocks insertion parts (13) are provided on both ends. The buttocks interference prevention part (12) has a through-hole and a handle (12a), and is configured to be bendable via a recess (12b) between it and the floor plate body (11). In addition, notches (14) are formed between the main body (11) of the floor plate and both sides of the buttock interference prevention section (12) to the under-buttock insertion section (13), making it easier for the caregiver to hold the item and insert it under the buttocks of the person being transferred. Furthermore, hook holes (15) are provided on both ends of the main body (11) at positions on the center of gravity, improving convenience for storage and portability. A non-slip plate (16) can be provided on the back of the main body (11), thereby increasing stability during use. Reference rear view 1, showing the state in use, shows the main body (11) with two non-slip plates (16) attached, while reference rear view 2, showing the state in use, shows the main body (11) with one non-slip plate (16) attached. The reference perspective view and the reference front view show the buttock interference prevention portion (12) folded and flat with the floor plate body (11).

The utility model discloses a hollow composite casing pipe with a sealing structure, which comprises a composite casing pipe main body, the composite casing pipe main body comprises a protective inner pipe and a reinforcing outer pipe, a detachable structure is arranged between the protective inner pipe and the reinforcing outer pipe, the protective inner pipe comprises an aluminum alloy wrapping pipe, a glass fiber heat insulation pipe and a hard plastic inner pipe, and a sealing structure is arranged between the reinforcing outer pipe and the protective inner pipe. The protective inner pipe in the hollow composite sleeve is subjected to composite reinforcement design, and the aluminum alloy wrapping pipe, the glass fiber heat insulation pipe and the hard plastic inner pipe are arranged to wrap and protect the hollow composite sleeve layer by layer, so that the hollow composite sleeve has good structural strength and hardness and is not prone to deformation and damage, and the service life of the hollow composite sleeve is prolonged. And meanwhile, a sealing structure is arranged between the reinforcing outer pipe and the protective inner pipe and used for achieving a good sealing protection effect, the phenomenon of leakage at the clamping position of the protective inner pipe and the reinforcing outer pipe is prevented, and the sealing performance of casing pipe installation is effectively improved.

The utility model relates to the technical field of oil seals, and discloses a high-pressure-resistant rotary oil seal. The high-pressure-resistant rotary oil seal is arranged on the outer side of a rotary shaft in a sleeving mode, and a rubber body, a framework and a check ring are sequentially arranged from top to bottom in the axial direction of the rotary shaft. The upper surface of the framework is adhered to the lower surface of the rubber body, and the check ring is adhered to the lower surface of the framework; the framework is a plastic ring made of high-temperature-resistant and high-pressure-resistant hard plastic, and the check ring is a metal ring made of high-temperature-resistant and high-pressure-resistant hard metal. According to the high-pressure oil seal, a high-rigidity metal framework is replaced by the plastic framework, the service life of the high-pressure oil seal is greatly prolonged, a sealing piece is prevented from being extruded out of a gap through the cooperation of the plastic framework and the metal check ring, and the pressure bearing capacity of the whole oil seal structure is enhanced.

The utility model discloses a pet bed, particularly relates to pet supplies, and comprises a bed body, the bed body comprises four bed columns and cross beam plates formed by combining two adjacent bed columns into a whole, and at least two supporting plates are installed between the two cross beam plates; the bed board comprises a non-woven fabric pad, no less than four hard plastic plates are arranged in the non-woven fabric pad, and the non-woven fabric pad part between every two adjacent hard plastic plates is a flexible bending part; the telescopic rods are inserted into the sleeving bags symmetrically and fixedly arranged on the back face of the non-woven fabric pad, and the number of the sleeving bags located on the same horizontal plane is not less than three. The pet cage is integrally made of light materials, is convenient to carry, disassemble and assemble, and greatly considers the requirements of renting houses and raising pets.

The present invention discloses a plastic separation and recovery device and a processing method for separating labels from crushed plastics, which relates to the field of plastic recovery devices and includes an air separation box, an air separation air pump installed on the air separation box, an air separation plate, a hard discharge frame, and a soft discharge frame installed in the air separation box, wherein the air separation air pump uses airflow to make soft plastics pass through the air separation plate and fall into the soft discharge frame, and the hard plastics in the air separation box can fall into the hard discharge frame, a selection conveyor belt is provided on one side of the air separation box, the soft discharge frame is provided above one end of the selection conveyor belt, and a cleaning component and several selection components are provided on the selection conveyor belt. The soft plastics and hard plastics can be further separated, the degree of separation is improved, further processing is facilitated, the cleaning hole and the discharge hole can be prevented from being blocked, the continuous operation of the equipment is ensured, and the selection efficiency is improved.

The invention relates to a polishing treatment device for the inner surface of a rocket conduit. The polishing treatment device comprises a hard plastic rod main body, an air source conduit, a visual camera, an inner rod and a pneumatic rotary polishing head, the hard plastic rod main body is of a hollow structure and is adjustable in length; the inner rod is of a hollow structure, the front end of the inner rod is closed, and the rear end of the inner rod is inserted into the hard plastic rod body from the front end of the hard plastic rod body. The visual camera is arranged at the front end of the inner rod and faces the direction away from the inner rod. The pneumatic rotary polishing head is arranged on the peripheral surface of the hard plastic rod main body and is positioned at a position close to the front end of the hard plastic rod main body; the rear end of the air source guide pipe is communicated with an external air source device, the front end of the air source guide pipe extends into the hard plastic rod body from the rear end of the hard plastic rod body, and the front end of the tracheal guide pipe penetrates through the circumferential face of the hard plastic rod body to be communicated with the pneumatic rotary polishing head. The inner surface of the rocket conduit can be prevented from being scratched, the device can be suitable for rocket conduits with different lengths, and the treatment condition of the inner surface of the rocket conduit can be observed in real time.

The present invention is an outdoor spigot protection device to prevent freezing and provide convenient access for operating the spigot. The device comprises a main cover body made of a hard plastic outer shell with an interior foam insulation layer, an open rear surface with a soft (i.e., compressible) foam ring for creating an airtight seal against an external or exterior wall, and a pull strap for securing the cover tightly to the spigot. A handle extends through the top of the cover and is operatively connected to the spigot valve via a fastening mechanism, enabling the valve to be turned without removing the cover. A hose aperture with weather-resistant materials accommodates a connected hose while preventing the entry of cold air and debris. The device can include an insulated wrap for protecting vertical pipes connected to free-standing spigots.

The invention discloses recycled plastic recycling pretreatment equipment which comprises a base, a certain oblique angle is formed between the top face of the base and the ground, a front end base and a rear end base are fixed to the top of the base, a smashing cavity assembly is rotationally arranged between the front end base and the rear end base, and a smashing transmission unit is arranged on one side of the rear end base and comprises a torque motor and two sets of smashing rollers. The two groups of crushing rollers are driven by the torque motor to oppositely rotate on the inner side of the crushing cavity assembly for crushing waste materials, the two groups of crushing rollers are arranged in the same direction and are conical, and the torque motor can drive the crushing cavity assembly to rotate while driving the crushing rollers to rotate; a material guiding mechanism is arranged on the inner side of the smashing cavity assembly and located above the single set of smashing rollers, and the material guiding mechanism is used for guiding fallen materials so that the fallen materials can fall on different area positions of the smashing rollers. The multi-stage crushing effect can be effectively achieved, damage of hard plastic to the crushing rollers and the motor is reduced, and meanwhile multiple-time reciprocating crushing operation of fragments is efficiently achieved in an integrated mode.

The invention relates to the technical field of electronic component packaging, and provides a resistance strain gauge packaging structure which comprises a substrate material layer, and the substrate material layer is provided with a flat surface and is used for bearing a resistance strain gauge; the resistance strain gauge comprises a substrate material layer and a low-viscosity film layer, the low-viscosity film layer is distributed on the surface of the substrate material layer in an array mode and makes contact with a macromolecule substrate material of the resistance strain gauge, the substrate material layer is a hard plastic sheet or paper, and the low-viscosity film layer is made of a silica gel film or a film with certain surface viscosity. According to the resistance strain gauge packaging structure, standardization of coordinate positions of strain gauge product packaging is achieved, follow-up procedures can be accurately butted through a fixed and unified coordinate form, production continuity and precision are improved, products can be firmly fixed through low-adhesion materials, physical damage and chemical pollution can be avoided, and the production efficiency is improved. Therefore, the product performance is guaranteed, regular placement and automatic vacuum suction cups are matched, taking is convenient, the production efficiency and quality are improved, and meanwhile, the product quality can be tracked and traced conveniently through standardized coordinate positions.

The utility model discloses an optical fiber cutting knife pressure pad made of composite materials, which comprises a base and soft rubber arranged on the base, two supporting blocks which are correspondingly arranged are arranged on the left side and the right side of the upper surface of the base, the soft rubber is arranged on the base between the supporting blocks, and the upper end faces of the supporting blocks and the upper end face of the soft rubber are coplanar. According to the optical fiber cutting device, the defects in the prior art are overcome, the supporting block can prevent one piece of soft rubber from being excessively deformed when the two pressure pads which are correspondingly arranged up and down are matched to fix the position of an optical fiber, so that the position of cutting the optical fiber every time is accurate, and the cutting precision of the optical fiber is improved.

The utility model relates to a foamed cotton mop head with a water scraping function. The foamed cotton mop head comprises a fixing piece and a foamed cotton head arranged on the fixing piece, the cleaning device is characterized by further comprising a scraping strip part independent of the foam cotton head, and the scraping strip part is arranged on the fixing piece and can expose the outer surface of the foam cotton head. The fixing part is generally made of hard plastic, the scraping strip part and the fixing part can be installed more conveniently, the mop head has the wiping function and the scraping function, water absorption and water scraping can be achieved during mopping, and the defect caused by insufficient water absorption is effectively overcome through foam cotton. The scraping strip function part is independent of the wiping body, and independent production and manufacturing are facilitated. The utility model further relates to a mop adopting the mop head.

According to the wall brick cement mortar thickness homogenizer, rigid plastic strip-shaped plates are manufactured into rigid plastic strip-shaped bayonet plates 1 with unilateral bayonets which are uniform, uniform in spacing and identical in thickness, the depth of the bayonets is half of the width of the plastic strip-shaped bayonet plates 1, and the rigid plastic strip-shaped bayonet plates 1 are clamped together in a transverse and vertical positive and negative cross mode to form a grid frame. Square plastic plates 2 with the same thickness as the rigid plastic strip-shaped bayonet plates 1 abut against the transverse and vertical rigid plastic strip-shaped bayonet plates 1 at the ends of the four corners of the grid frame, the square plastic plates 2 are fixed to the transverse and vertical rigid plastic strip-shaped bayonet plates 1 of the grid frame through screws 3, the square grid frame formed by clamping the rigid plastic strip-shaped bayonet plates 1 is supported, and deformation of the grid frame is prevented. The fixed hard plastic square grid frame is named as the wall brick cement mortar thickness homogenizer.

The utility model relates to the technical field of packaging boxes, in particular to a high-protection EPE damping packaging box easy for long-distance transportation, which comprises an EPE foam box, a hard plastic base plate is fixed on the bottom surface of the EPE foam box, a plurality of hard plastic angle plates are fixed on the top surface of the hard plastic base plate, the hard plastic angle plates penetrate through the corners of the EPE foam box, and the hard plastic base plate is fixed on the bottom surface of the EPE foam box. The height of the hard plastic angle plates is larger than that of the EPE foam box, an EPE foam cover plate is connected to the upper portion of the EPE foam box in a lap joint mode, and the EPE foam cover plate is inserted among the multiple hard plastic angle plates; the high-protection EPE shock absorption packaging box easy to transport for a long distance has the advantages that the EPE foam box is adopted as a main body structure, the packaging box has excellent shock absorption performance, and impact and vibration generated in the transportation process can be effectively absorbed and dispersed, so that goods are protected from being damaged.

The utility model discloses a pickup truck compartment cover, the pickup truck compartment cover comprises a plate body and a corner connector assembly, the plate body comprises a bottom cover and a surface cover, the surface cover and the bottom cover are arranged in a whole-surface fit mode, the bottom cover is made of hard plastic, and a main body of the surface cover is made of a carbon fiber material; the corner connector assembly is arranged on the side, away from the face cover, of the bottom cover and used for connecting the plate body to a vehicle body. The plate body of the pickup truck compartment cover is of the double-layer structure composed of the bottom cover body and the surface cover body, the inner-layer bottom cover body is made of the hard plastic, and the main body of the outer-layer surface cover body is made of the carbon fiber material, so that the overall mass of the plate body is small, and the plate body is convenient to install and carry; and the attractiveness of the surface of the compartment cover can be guaranteed for a long time.

The invention discloses a preparation method of an atomic oxygen erosion resistant rigid plastic foam material, which comprises the following steps: preparing a polymer, an initiator, a modifier, a foaming agent, a cross-linking agent and a nucleating agent into a material mixed solution according to a certain mass ratio, carrying out polymerization reaction, and heating and foaming to obtain the atomic oxygen erosion resistant rigid plastic foam material, the polymer is a mixture containing an acrylic acid compound, an acrylonitrile compound and a copolymerization reactant, and the modifier comprises polyhedral oligomeric silsesquioxane. The rigid plastic foam material obtained by the preparation method has good atomic oxygen resistance, and can be applied to the fields of aerospace and atomic oxygen environment resistant materials.

The application discloses a modular device suitable for liquid oxygen phase change rock breaking and a use method. The device comprises a shape memory type hard plastic pipe, a double-layer flexible film assembly, an aluminum metal input pipe, a spiral copper wire, a bottom packaging cover, a top packaging cover, an axial gradient density cellulose roll paper and an annular differential time ignition assembly. The cellulose roll paper is distributed in a gradient distribution of lower density at the lower part and higher density at the upper part along the axial direction, and the annular differential time sequential ignition forms a "spiral rising type phase change wave chain reaction". An air heat insulation interlayer is arranged between the double-layer film to reduce liquid oxygen evaporation loss and form a secondary air cushion buffer layer. The shape memory type PVC hard pipe is radially self-contracted to form a self-adaptive explosion chamber under the initiation high temperature. The spiral copper wire wound outside the metal input pipe simultaneously realizes electrostatic conduction and redundant ignition when the ignition head fails. Through the synergistic effect of the multiple innovative features, the application realizes the space-time controllable release of the rock breaking energy, prolongs the pressure relief duration by 2-3 times, expands the breaking radius by about 25%, reduces the liquid oxygen evaporation loss to below 8%, and has outstanding substantial features and significant technical progress.

To prevent a problem such that when pouring a liquid product for refill such as a detergent housed in a non-rigid plastic bag, a container body is empty and light so as to be easily moved and the liquid product is spilled or overflowed because it does not have a large pouring port which is required during refilling of the liquid product.SOLUTION: A nozzle is detachable and a cylinder is provided between a container body and an extraction cap, so that the cylinder can be detached from the container body, and when the nozzle or cylinder is removed, a large opening is made, and a liquid product such as a detergent is poured into the large opening, so that the liquid product can be refilled without spilling or overflowing.SELECTED DRAWING: Figure 4

The invention discloses a waste plastic recycling device which comprises a support body, a first smashing cutter set and a second smashing cutter set are arranged on the support body, a cleaning assembly is arranged between the first smashing cutter set and the second smashing cutter set, and a control assembly is arranged on the first smashing cutter set. The control assembly is used for driving the cleaning assembly to move front and back and locking the cleaning assembly. According to the plastic bag crushing device, rigid plastic is crushed through the first crushing cutter set, when the rigid plastic carries a plastic bag, the plastic bag is wound around the first crushing cutter, the torque of the first crushing cutter set can be increased, the rotating speed of the first crushing cutter set can be reduced, and a cleaning assembly is inserted into a gap of the first crushing cutter set; and when the first crushing cutter set returns to the normal torque and rotating speed, the cleaning assembly is drawn out and rotates to the position above the second crushing cutter set, and the plastic bags are conveyed to the second crushing cutter set to be crushed.

The utility model discloses a connecting piece for connecting a compressor and a valve body, which comprises a shell made of hard plastic, an air passage is arranged in the shell, an air inlet pipe is arranged at one end of the shell, an air outlet pipe is arranged at the other end of the shell, and the air inlet pipe and the air outlet pipe are communicated with the air passage and positioned on the same side of the shell. The shell and the air channel are both in a fold line shape. The connecting piece and the shell are made of hard plastic, the air inlet pipe and the air outlet pipe are both located on the same side of the shell, assembly is convenient, the problems of pipe explosion and falling off can be avoided in the working process of the oxygen generator, and due to the fact that the shell is in the fold line shape, the oxygen generator can be conveniently assembled. According to the connecting piece, the space between the air outlet of the compressor and the two-position five-way valve of the separating tower can be effectively utilized, the internal space of the oxygen generator cannot be additionally occupied, and the air outlet of the compressor is connected with the two-position five-way valve of the separating tower through the connecting piece, so that the noise of the whole machine can be effectively reduced.

The present invention discloses an intermediate plate injection molding assembly, a pump body, and a method for preparing the intermediate plate injection molding assembly, which relates to the technical field of pump body sealing. The intermediate plate injection molding assembly includes a main body and an annular sealing portion. A mating surface is formed on one side of the main body along its thickness direction. The material of the annular sealing portion is set to be a thermoplastic elastomer. The annular sealing portion is arranged on the mating surface and is integrally arranged with the main body. The annular sealing portion is used to tightly fit with external parts. The main body plays a supporting function, and the annular sealing portion tightly fits with external parts, thereby meeting the functional requirements of the intermediate plate injection molding assembly in the pump body. Compared with silicone materials, thermoplastic elastomers have the advantages of low cost and light weight, and can be integrally formed with hard plastics through injection molding. The sealing structure does not adopt a spherical seal consistent with the silicone sealing ring, but uses a groove-shaped seal, thereby being able to replace the existing silicone sealing ring combination structure, saving material costs and reducing turnover and assembly processes.

The present invention discloses a novel pressure test and plugging device for plastic pipes, comprising a positioning frame, wherein an intermediate sealing section is installed in the middle and upper part of the positioning frame, a movable left plug and a movable right plug are respectively provided at the left and right ends of the hard plastic pipe, a retaining ring is provided on the outside of the rubber sealing ring, a guide rail is provided on the upper right part of the positioning frame, a pressure measuring port is provided on the outer middle part of the movable right plug, a stop valve is provided on the upper surface of the movable right plug, and a pressure port is provided on the upper left part of the movable left plug. The novel pressure test and plugging device for plastic pipes has no direct contact with the hard plastic pipe because the movable left plug and the movable right plug do not directly contact the hard plastic pipe. Instead, the hard plastic pipe is placed inside the intermediate sealing section, and the sealing effect is achieved by the movable left plug, the movable right plug, the rubber sealing ring and the retaining ring, thereby eliminating the centering process of the traditional sealing structure and the axial force applied to the pipe during the test process.

The invention discloses a fuselage structure sinking glue forming device and method. The device comprises a glue gun, and the glue gun is used for spraying a sealant solution to a target groove area; wherein the target groove area is a groove area to be filled with glue on the fuselage structural component; one end of the glue scraping plate is a plane end, an arc-shaped groove is formed in the other end of the glue scraping plate, and the glue scraping plate is used for scraping a protruding glue solution in the middle area of the sealant glue solution through the arc-shaped groove; the hard plastic film is used for being laid on the surface of the sealant solution with the protruding sealant solution; the heating device comprises a shell, a heating element used for heating the flattened sealant solution is arranged on the shell, an inner groove is formed in the inner bottom of the shell, and the inner groove is located over the target groove area, and the device has the advantages that qualified sunken glue can be formed at a time, and the forming quality and efficiency are improved.

This utility model discloses a portable packaging cardboard box, belonging to the field of packaging cardboard box technology. The cardboard box includes a box body made of corrugated cardboard, with a reinforcing component made of rigid plastic inside. The reinforcing component is glued to the inner wall of the box body with environmentally friendly adhesive. The box body is a square trapezoid with a larger top and a smaller bottom, with the bottom surface smaller than the top surface. The side walls have an angle of 5°-10° with the vertical direction, and the four side walls have the same slope, allowing multiple boxes to be nested and stacked. The reinforcing component includes a top frame, a bottom frame, and side frames. The bottom frame fits into the bottom of the box, the top frame is flush with the top of the box body, and the side frames fit into the corners of the side walls, which can enhance the strength of the box body. The bottom frame has slots on the front and back sides, which can be inserted with partitions to achieve internal classification. This cardboard box achieves convenient stacking and saves space through its structural design; the reinforcing component improves protection; and the partition design increases the flexibility of use, making it suitable for packaging and storing various items.

The utility model discloses a plastic crusher for injection molding, which relates to the technical field of injection molding plastic crushing, and comprises a crushing part, a support frame is arranged on one side of the crushing part, the support frame is connected with a half gear, the half gear is in contact with a gear I, the gear I is connected with a rotating rod, the rotating rod is connected with a connecting rod, the connecting rod is connected with a fan gear, and the fan gear is connected with a motor. The sector gear makes contact with double gears, the double gears make contact with a rack rod, the rack rod is connected with a cutter, and a conveying belt is arranged on one side of the supporting frame. A series of transmission components are further linked through rotation of the half gear, so that the cutter can move up and down in a reciprocating mode, a large hard plastic block can be divided into a plurality of small blocks, when the half gear rotates to the other side, the second gear, the transmission wheel and the transmission belt can be driven to move, and therefore the cut plastic block is driven forwards. And meanwhile, a next uncut large plastic block can be conveyed to the position below the cutter, and the smashing effect and efficiency of large-size plastic are improved.

The utility model belongs to the technical field of mobile power supplies, and particularly relates to a high-stability power supply. Comprising a mobile power supply body, first clamping grooves are symmetrically formed in the mobile power supply body, rubber pads are symmetrically connected to the two ends of the mobile power supply body in a sleeving mode, clamping strips are arranged on the rubber pads corresponding to the first clamping grooves, a first hard plastic ring and a second hard plastic ring are connected to the rubber pads in a sleeving mode, and a plurality of second clamping grooves are evenly formed in the first hard plastic ring. A plurality of protective strips corresponding to the second clamping grooves are arranged on the second hard plastic ring, and the protective strips are matched with the second clamping grooves. Through structural improvement, the safety of the two end parts is ensured on the basis of the mobile power supply body, the body position with a larger proportion of the mobile power supply is effectively protected, the whole mobile power supply is convenient to mount and dismount, the occupied area is small, and the mobile power supply is convenient to carry about.

The invention relates to the technical field of woodworking clamps, and discloses a bamboo-wood flexible traceless spring clamp which comprises two sets of clamping arms, connecting bases are fixedly installed on the clamping arms, the two sets of clamping arms are rotationally connected through the connecting bases, a pin with a torsional spring is arranged between the two sets of connecting bases, and spring arms connected with the two sets of clamping arms are arranged at the two ends of the torsional spring. The clamping arms are made of continuous bamboo wood materials, the two sides, with the connecting base as the boundary, of each clamping arm are a clamping end and a force application end which adopt internode sections, and the connecting positions of the clamping arms and the connecting base adopt bamboo joint sections. The whole clamping arms are made of bamboo and wood materials, the hardness of the clamping arms is close to that of high-grade vulnerable articles, and the clamping pressure is effectively dispersed in combination with the flexible deformation characteristic of the internode sections; the problem that indentations and scratches are generated due to the fact that the contact area of a traditional metal or hard plastic clamping end is small and the hardness difference between the traditional metal or hard plastic clamping end and a clamped object is large is effectively solved.

To provide a laminate that reduces the time and effort required to separate plastics from the laminate. [Solution] The laminate (10) comprises a vapor-deposited layer (2) having a first surface (2a) and a second surface (2b). The laminate (10) further comprises a hard plastic layer (1) located on the first surface (2a) side of the vapor-deposited layer (2) and a soft plastic layer (4) located on the second surface (2b) side of the vapor-deposited layer (2). The laminate (10) satisfies either requirement (1) or (2) below. (1) The plastic soft layer (4) has a strain property such that its shrinkage rate at 80°C is between 2% and 50%. (2) The vapor deposition layer (2) is further provided with a plastic strain layer (3) located on the first surface (2a) side and facing the vapor deposition layer (2) via the plastic hard layer (1).

Mini basketball game set, comprehensive - at least one mini basketball (1), - a mini basketball hoop (2) with a back wall (2.1), a ring (2.2) attached thereto and a net (2.3), and - a fastening means for attaching the mini basketball hoop (2) to a load-bearing structure indoors or outdoors, characterized in that the mini basketball (1) has a ball body (1.1) made of a rigid plastic foam and a thin-walled shell (1.2) made of an elastomer material enclosing the ball body (1.1).

The utility model discloses an embedded sleeve easy to dismantle and capable of being repeatedly used, which belongs to the field of building equipment and comprises a hard sleeve, a connecting piece is arranged in the middle of the hard sleeve, the connecting piece penetrates through the hard sleeve and then is connected with a roof plate template, and a soft sleeve is arranged on the outer side of the hard sleeve. According to the principle that the hard plastic sleeve is sleeved with the soft leather sleeve, the diameter and the height of the embedded sleeve are selected according to the diameter of a pipeline and the thickness of a floor slab in the later period before concrete pouring, the thread opening is reserved in the middle of the hard sleeve, and the self-drilling screw is screwed into the hard sleeve and fixed to a roof plate formwork. The hard sleeve is sleeved with the soft sleeve with the height equal to that of the hard sleeve and the diameter one larger than that of the hard sleeve, then the sleeve can be embedded, the connecting piece is loosened firstly in the dismantling process, the embedded sleeve can be dismantled easily, the embedded sleeve can be used repeatedly, and cost is saved.