阅读说明：本技术 定珠伸缩风扇叶片 (Fixed bead telescopic fan blade ) 是由 毛永波 于 2020-03-16 设计创作，主要内容包括：定珠伸缩风扇叶片,包括：定珠、定珠架、多个触点滑块和最少两级限位卡止搭扣；特征是：定珠架连接每节伸缩扇叶滑道成限位卡扣；定珠定轴连接或无轴框套在定珠架或限位卡止搭扣上滑触扇叶；多个触点滑块设在伸缩扇叶的表面和滑道；限位卡止搭扣固定连接在每节伸缩扇叶滑道并分别最少直线阵列二个,形成最少一级卡扣二级防脱；套管一端横截面封塞加强扇叶不变形防脱扣；扇叶用定珠、墩子、坑槽或T型筋减少摩擦并加强抗弯力,塑料、橡胶或石墨触点滑块和扇叶粘附润滑剂或石墨粉滑触扇叶减少摩擦,条形触点滑块外凸或内凸触滑并清洁扇叶；扇叶连接防脱保险,多级卡扣防脱,保险索防脱,脱扣自动关闭电源,加大扇叶伸缩范围无须加大灯饰直径,灵活搭配灯饰。(Decide pearl extension fan blade includes: the device comprises a fixed bead, a fixed bead frame, a plurality of contact sliding blocks and at least two stages of limiting and clamping hasps; is characterized in that: the fixed bead frame is connected with each section of telescopic fan blade slideway to form a limiting buckle; the fixed bead fixed shaft is connected with or does not have a shaft frame to be sleeved on the fixed bead frame or the limit stop buckle to slide and contact the fan blades; the contact sliders are arranged on the surfaces of the telescopic fan blades and the slide ways; the limiting clamping hasp is fixedly connected to each section of telescopic fan blade slideway and is provided with at least two linear arrays respectively to form at least one primary buckle and two-stage anti-falling; the cross section of one end of the sleeve is plugged to strengthen the fan blades to prevent deformation and release; the fan blades are reduced in friction and enhanced in bending resistance by using fixed beads, piers, pits or T-shaped ribs, the plastic, rubber or graphite contact sliding blocks and the fan blades are adhered with lubricant or graphite powder to slide and contact the fan blades to reduce friction, and the strip-shaped contact sliding blocks protrude outwards or protrude inwards to slide and clean the fan blades; the fan blade is connected with an anti-drop safety, the multi-stage buckle is anti-drop, the safety cable is anti-drop, the power supply is automatically turned off by tripping, the expansion range of the fan blade is enlarged, the diameter of the lamp decoration is not required to be enlarged, and the lamp decoration is flexibly matched.)

1. Decide pearl extension fan blade, it includes: the fixed bead structure comprises fixed beads (4), a fixed bead frame (9), a plurality of contact sliding blocks (2) and at least two stages of limiting and clamping hasps (3); the method is characterized in that: the bead fixing frame (9) is fixedly connected to one end of a slideway of each section of telescopic fan blade (1) to form a limiting buckle; the fixed bead (4) is in fixed shaft connection or is sleeved on the limit stop hasp (3) without a shaft frame to slide and contact the telescopic fan blade (1); or the fixed bead (4) is in fixed shaft connection or is sleeved on the fixed bead frame (9) without a shaft frame to slide and contact the telescopic fan blades (1); the contact sliding blocks (2) are arranged on the surfaces of the telescopic fan blades (1) and on the slide ways to contact and slide the telescopic fan blades (1); the limiting clamping buckles (3) are fixedly connected to the inner side of one end of each section of telescopic fan blade slide way and the outer side of the other end of the slide way and are respectively provided with at least two linear arrays, so that at least one-stage buckle secondary anti-falling is formed; the contact sliding block (2) is fixedly connected with the limit stop hasp (3) to slide on the contact fan blade;

the fixed bead (4) is a fixed shaft rotor or a shaftless roller;

the fixed shaft rotor is a conical shaft wheel (40), a pit groove shaft wheel or a cylindrical shaft wheel (41), and is fixedly connected with the limit stop hasp (3) or the fixed bead frame (9) by a horizontal fixed shaft, a vertical fixed shaft or an oblique angle fixed shaft; the pit shaft wheel is a V-groove shaft wheel (4V) or a U-groove shaft wheel (4U); the ball fixing frame (9) is a V-shaped shaft wheel ball fixing frame (91) or a straight shaft wheel ball fixing frame (92);

the shaftless roller is a tapered roller (50), a pit groove roller, a cylindrical roller (51) or a rolling ball (55), and is positioned and rolled on the limit stop hasp (3) or the fixed ball frame (9) in a shaftless axial direction without a shaft frame sleeve in the horizontal axial direction, the vertical axial direction and the oblique angle; the pit roller is a V-groove roller (5V) or a U-groove roller (5U); the bead fixing frame (9) is a V-shaped roller bead fixing frame (93) or a straight roller bead fixing frame (94);

the telescopic fan blade (1) is a sleeve fan blade formed by coaxially sliding, telescoping and sleeving a plurality of large and small sleeves, and the inner side of one end of the sleeve and the outer side of the other end of the sleeve are respectively provided with a limiting stop hasp (3) for limiting and telescoping; or the telescopic fan blade (1) is a plate fan blade formed by connecting a plurality of plate blocks in a sliding and telescopic manner through buckles, the two sides of each plate block are provided with buckle slide ways for stretching, and one side of one end of each plate block and the other side of the other end of each plate block are respectively provided with a limiting and stopping buckle (3) for limiting and stretching; or the multi-section sleeve fan blade mixed plate fan blade is a tube plate mixed fan blade formed by sleeving a section of plate fan blade on the tail end section of the multi-section sleeve fan blade;

the limit stop hasp (3) is an additional fastener (31), and the additional fastener (31) is used for fixing the buckle, gluing, riveting or welding to limit the telescopic stroke of the telescopic fan blade (1); or the limit stop hasp (3) is a bevel (32), a curled edge (33), a convex position (34), a concave position (35) or a hole (30) of a fan blade original; the curled edge (33) is formed by an outer curled edge (33a) and an inner curled edge (33b) at two ends of a telescopic opening of the wind blowing surface and the leeward surface of the sleeve fan blade or the plate fan blade respectively, so that a curled edge limiting and clamping hasp is formed, and the shaping strength of the fan blade is transversely enhanced;

the contact sliding block (2) is a slideway inner boss sliding block (2B) which is connected to one end of the sleeve fan blade or the plate fan blade and is provided with an inner boss contact sliding sleeve to be sleeved with the outer wall of the slideway of the sleeve fan blade or the plate fan blade to slide and stretch, so that the friction force and the noise are reduced;

the contact sliding block (2) is made into a spherical sliding block or a conical sliding block (2d) which is provided with a plurality of fixed buckles, glued, riveted or welded on holes (30) on the inner and outer sides of the wind blowing surface and the leeward side at one end of the fan blade to contact the fan blade which is sleeved inside and outside;

the contact sliding block (2) is used for contacting and sliding the fan blades by a pier (36) of the fan blade original piece; the piers (36) are arrayed on the fan blade surface;

or the contact sliding block (2) is a pit groove (37) of a fan blade original part to contact the sliding fan blade; the pit grooves (37) are axially arranged along the extension direction of the fan blades and are arrayed on the surfaces of the fan blades to strengthen the bending resistance of the fan blades;

or the contact sliding block (2) is a T-shaped rib (38) of a fan blade original piece for contacting the sliding fan blade; the T-shaped ribs (38) are arranged along the telescopic axial direction of the fan blades and are arrayed on the surfaces of the fan blades to strengthen the bending resistance of the fan blades;

the contact sliding block (2) is made into a strip-shaped sliding block for fixing, buckling, gluing, riveting or welding at two ends of the fan blade, the strip-shaped sliding block at one end is outwards convex to contact with the sliding sleeve and is connected with the inner wall surface of the fan blade in a sliding and stretching mode and is cleaned, and the strip-shaped sliding block at the other end is inwards convex to contact with the sliding sleeve and is internally connected with the outer wall surface of the fan blade in a sliding and stretching mode;

the boss contact of the inner boss sliding block (2B) is arc-shaped, inclined pointed or plane; (ii) a

The multiple sections of large and small sleeves of the telescopic fan blades (1) are cambered straight tubes; the cambered surface straight barrel is a parallel cambered surface straight barrel with a cambered wind blowing surface parallel to a cambered leeward surface; or the cambered straight barrel is a crescent cambered straight barrel with an arc wind blowing surface and an arc leeward surface which are not parallel;

or the multiple sections of large and small sleeves of the telescopic fan blades (1) are angle straight tubes; the wind blowing surface and the leeward surface of the bevel straight barrel are parallel bevel groove straight barrels which are parallel to each other; or the wind blowing surface and the leeward surface of the bevel straight barrel are wing bevel straight barrels which are not parallel to each other;

or the multiple sections of large and small sleeves of the telescopic fan blades (1) are flat straight tubes; the wind blowing surface and the leeward surface of the flat straight body tube are planes parallel to each other;

the multi-section plate of the telescopic fan blade (1) is a plane plate, a cambered surface straight body plate or a bevel straight body plate; two sides of the sleeve fan blade or the plate fan blade are provided with a V-shaped slideway, a C-shaped slideway or a square slideway;

the contact sliding block (2) is made of plastic, rubber or graphite, so that friction force, noise and impact force are reduced;

the fixed beads (4) are made of plastic materials or metal materials;

the bead fixing frame (9) is made of plastic or metal;

the multi-section sleeve fan blade or the multi-section plate fan blade is made of metal;

or the multi-section sleeve fan blade or the multi-section plate fan blade is made of plastic;

or the sleeve fan blade or the plate fan blade is made of resin coagulated fiber;

or the multi-section sleeve fan blade or the multi-section plate fan blade is made of mixed materials; the mixed material is that the fixed base section of the multi-section sleeve fan blade or the multi-section plate fan blade is made of metal material, and the movable expansion joint is made of resin condensed fiber material or plastic material.

Each section of sleeve of the telescopic fan blade (1) is a hollow pipeline which is communicated end to end;

or each section of sleeve of the telescopic fan blade (1) is fixedly connected with a plug at one end by a cross-sectional panel to strengthen and shape, so that the fan blade is ensured not to deform and prevent tripping.

2. The beaded telescoping fan blade of claim 1, wherein: lubricating oil, lubricant or lubricating powder is adhered to the surfaces of the multiple sections of sleeve fan blades or the multiple sections of plate fan blades and the contact sliding block (2) to reduce friction force and noise; the lubricating powder is graphite powder.

3. The beaded telescoping fan blade of claim 1, wherein: the plastic material of the contact sliding block (2) is Polytetrafluoroethylene (PTFE), ultra-high molecular weight polyethylene or glass fiber reinforced polyamide 66 brand; or the rubber material of the contact sliding block (2) is natural rubber MR or polyurethane rubber AU \ EU; or the graphite material of the contact sliding block (2) is pure carbon graphite M191T or carbon fiber-based graphite TF 310; the graphite block made of graphite is fixedly connected with the limiting clamping hasp (3) to slide on the fan blade; or the graphite is made into a graphite film or a graphite coating which is adhered to the limiting clamping hasp (3) to form the sliding vane of the sliding block; or the graphite is made into a graphite film or a graphite coating which is adhered to the surface of the fan blade to touch the sliding fan blade; the graphite film or the graphite coating stripes or the check stripes are adhered to or coated on the surface of the fan blade.

4. The beaded telescoping fan blade of claim 1, wherein: the plastic material of the fixed beads (4) is Polytetrafluoroethylene (PTFE), ultra-high molecular weight polyethylene or glass fiber reinforced polyamide 66 grade; or the metal material of the fixed beads (4) is stainless steel or carbon steel.

5. The beaded telescoping fan blade of claim 1, wherein: the plastic material of the bead fixing frame (9) is Polytetrafluoroethylene (PTFE), ultra-high molecular weight polyethylene or glass fiber reinforced polyamide 66 grade; or the metal material of the bead fixing frame (9) is stainless steel or carbon steel.

6. The beaded telescoping fan blade of claim 1, wherein: the metal material of the multi-section sleeve fan blades or the multi-section plate fan blades is stainless steel, stainless steel composite carbon steel, carbon spring steel, alloy spring steel or magnesium aluminum alloy; the metal is preferably stainless steel; the stainless steel is 201, 304, 316, 410, 420 or 440; the carbon spring steel is 65, 70, 85 or 65 Mn; the alloy spring steel is 55Si2Mn, 60Si2Mn, SKS51, C80, 75Cr1, SUP6 or CK 85.

7. The beaded telescoping fan blade of claim 1, wherein: the plastic material of the multi-section sleeve fan blade or the multi-section plate fan blade is Polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), Polystyrene (PS), Acrylonitrile Butadiene Styrene (ABS), Polyamide (PA), Polycarbonate (PC), Polyformaldehyde (POM), Polyester (PBT) or polyphenylene oxide (PPO), or the plastic material of the multi-section sleeve fan blade or the multi-section plate fan blade is fiber reinforced plastic; the fiber reinforced plastic is glass fiber reinforced polyamide 66, carbon fiber reinforced polyimide TPI, carbon fiber reinforced polyphenylene sulfide PPS or carbon fiber reinforced polyether ether ketone PEEK.

8. The beaded telescoping fan blade of claim 1, wherein: the fiber of the resin coagulated fiber material of the multiple sections of sleeve fan blades or the multiple sections of plate fan blades is glass fiber, carbon fiber, aramid fiber, basalt fiber, graphene fiber or carbon nanotube fiber; the resin is vinyl polyester resin, epoxy resin, polyurethane resin, phenolic resin or hydrocarbon resin.

9. The beaded telescoping fan blade of claim 1, wherein: the multiple sections of large and small sleeves or the multiple sections of buckling plates of the telescopic fan blades (1) are connected with a fan turntable, a fan hub or a fan motor rotating shaft by taking the minimum sleeve or plate at the innermost layer as a fixed base section; or a plurality of sections of large and small sleeves or a plurality of sections of buckling plates of the telescopic fan blades (1) use the innermost minimum sleeve or plate as a fixed base section and are sleeved with a support rod body (11) along the telescopic axial direction on the fixed base section to strengthen the minimum sleeve to be fixedly connected with a fan turntable, a fan hub or a fan motor rotating shaft; or the multiple sections of large and small sleeves or the multiple sections of buckling plate blocks of the telescopic fan blades (1) are connected with the fan turntable, the fan hub or the rotating shaft of the fan motor by taking the largest sleeve or plate block at the outermost layer as a fixed base section.

10. The beaded telescoping fan blade of claim 1, wherein: the telescopic fan blades (1) are connected with an anti-drop fuse; the anti-falling insurance comprises: a safety cable (22) and a motor switch (44); the safety cable (22) is connected with the tail end section of the telescopic fan blade (1) by one end point, the safety cable (22) is connected with the fixed base section or the fan hub of the telescopic fan blade (1) by the other end point, and the safety cable (22) is connected with the control valve of the motor switch (44) by the middle point (8); the motor switch (44) is preset to connect a power supply to the fan motor for starting; the middle point (8) of the safety cable (22) is divided into a long section and a short section by the safety cable (22).

[ technical field ] A method for producing a semiconductor device

The invention relates to a wind wheel blade, in particular to a household ceiling fan blade, a large-scale industrial ceiling fan blade and a helicopter wind wheel blade.

[ background of the invention ]

The invisible fan can be more conveniently and automatically stored when the invisible fan is idle, the household environment is further concise and beautified, and the invisible fan becomes a concise furniture electrical appliance.

The existing large fans are fixed, the large fans are heavy, the installation height is extremely high, the installation, the disassembly and the maintenance are carried out by professional equipment, when the fans are idle in the cool weather, the large fans are difficult, the air dust of special factories is much, fan blades operated for a long time accelerate the air dust adhered thickly, the fan blades are extremely elegant, a large elevator needs to be erected for manual cleaning, the blades of the large fans are long, the large elevator also needs to be horizontally displaced along the ground for a long distance to clean one fan blade, the work difficulty is high, and time and labor are wasted.

Although the conventional hidden fan with the retractable swinging blade disc realizes the hiding of fan blades, the retracted fan blades of the swinging blade disc can still see the retracted fan blades, particularly the fan blades which run for a long time can turn black after adsorbing air dust, and even if the fan blades retract, the black dust adhered to the retracted fan blades can still be clearly seen, and the hidden fan needs to be cleaned manually at regular intervals; moreover, the fan blade extension range is small, an industrial-grade large fan cannot be manufactured, and the fan blade invisibility can be achieved only by increasing the lamp decoration diameter to carry out concealed decoration by slightly extending the fan blade range, so that the matched lamp decoration is not flexible enough, and one diameter lamp decoration can only be used as a fitting for one diameter fan.

The multi-section linear telescopic fan blade is characterized in that the large section sleeve pipe blade and the small section sleeve pipe blade are directly sleeved with the blade surface to be in friction sliding expansion, and the expansion and contraction of the fan blade are realized, so that the fan blade is expanded and contracted and automatically cleaned, but a larger friction surface is arranged between every two adjacent sections of blades, the friction force is large, the expansion and contraction action is not smooth, a non-contraction state or a semi-contraction state often exists, and the expansion and contraction friction area is too large to generate.

The telescopic invisible fan has the risk that the fan blades are deformed to trip and loose the hinge dart, so that potential safety hazards are formed.

The wind wheel blades of the helicopter occupy a large space, are difficult to store in a warehouse, and are difficult to assemble in an emergency if the blades are unloaded and stored in the warehouse.

[ summary of the invention ]

The invention aims to solve the defects of the existing invisible fan, and provides the fan blade which has small telescopic friction, is smoother and more silent and telescopic, and can synchronously scrape surfaces and be clean; the fan blade or the helicopter wind wheel has the advantages that the multistage buckle is prevented from falling off, the safety cable is prevented from falling off, the power supply of the fan motor is automatically turned off by the tripping to stop rotating, the tripping is not operated, absolute safety is guaranteed, the diameter of the fan blade is conveniently increased, the lamp decoration is flexibly matched, and the idle storage space is smaller.

The invention uses the fixed bead frame to connect each section of telescopic fan blade slideway to form a limit buckle; the fixed bead fixed shaft is connected with or does not have a shaft frame to be sleeved on the fixed bead frame or the limit stop buckle to slide and contact the fan blades; the contact sliders are arranged on the surfaces of the telescopic fan blades and the slide ways; the limiting clamping hasp is fixedly connected to each section of telescopic fan blade slideway and is provided with at least two linear arrays respectively to form at least one primary buckle and two-stage anti-falling; the cross section of one end of the sleeve is plugged to strengthen the fan blades to prevent deformation and release; the fan blades are reduced in friction and enhanced in bending resistance by using fixed beads, piers, pits or T-shaped ribs, the plastic, rubber or graphite contact sliding blocks and the fan blades are adhered with lubricant or graphite powder to slide and contact the fan blades to reduce friction, and the strip-shaped contact sliding blocks protrude outwards or protrude inwards to slide and clean the fan blades; the fan blades are connected with an anti-falling safety, a multi-stage buckle is used for preventing falling, a safety cable is used for preventing falling, and a power supply is automatically turned off by tripping, so that the large fan blades are contracted to avoid idle dead weight, falling and bending; the idle storage space of the fan blades is small; the diameter of the fan blade can be conveniently increased and the lamp can be flexibly matched.

The invention adopts the following technical scheme:

decide pearl extension fan blade, it includes: the device comprises a fixed bead, a fixed bead frame, a plurality of contact sliding blocks and at least two stages of limiting and clamping hasps; the method is characterized in that: the bead fixing frame is fixedly connected to one end of each section of telescopic fan blade slide way to form a limiting buckle; the fixed bead fixed shaft is connected with or does not have a shaft frame to be sleeved on the limit stop buckle to slide and contact the telescopic fan blades; or the fixed bead fixed shaft is connected with or sleeved on the fixed bead frame without a shaft frame to slide and contact the telescopic fan blades; the contact sliding blocks are arranged on the surfaces of the telescopic fan blades and on the slide ways to contact and slide the telescopic fan blades; the limiting clamping hasp is fixedly connected to the inner side of one end of each section of telescopic fan blade slideway and the outer side of the other end of each slideway, and at least two linear arrays are arranged respectively to form at least one primary buckle and two-stage anti-falling; the contact sliding block is fixedly connected with the limit stop hasp to slide on the contact fan blade;

the fixed ball is a fixed shaft rotor or a shaftless roller;

the fixed shaft rotor is a conical shaft wheel, a pit groove shaft wheel or a cylindrical shaft wheel, and is fixedly connected with a limit stop hasp or a fixed bead frame by a horizontal fixed shaft, a vertical fixed shaft or an oblique angle fixed shaft; the pit shaft wheel is a V-groove shaft wheel or a U-groove shaft wheel; the ball fixing frame is a V-shaped shaft wheel ball fixing frame or a straight shaft wheel ball fixing frame;

the shaftless roller is a conical roller, a pit groove roller, a cylindrical roller or a rolling ball, and is positioned and rolled on the limit stop hasp or the fixed ball frame in a shaftless axial direction without a shaft frame sleeve in the horizontal axial direction, the vertical axial direction and the oblique angle axial direction; the pit roller is a V-groove roller or a U-groove roller; the bead fixing frame is a V-shaped roller bead fixing frame or a straight-line roller bead fixing frame;

the telescopic fan blade is a sleeve fan blade formed by coaxially sliding, telescoping and sleeving a plurality of large and small sleeves, and limiting locking hasps are arranged on the inner side of one end of the sleeve and the outer side of the other end of the sleeve respectively for limiting and telescoping; or the telescopic fan blade is a plate fan blade formed by connecting a plurality of plate blocks in a sliding and telescopic manner through buckles, the two sides of each plate block are provided with buckle slide ways for stretching, and one side of one end of each plate block and the other side of the other end of each plate block are respectively provided with a limiting stop buckle for limiting stretching; or the multi-section sleeve fan blade mixed plate fan blade is a tube plate mixed fan blade formed by sleeving a section of plate fan blade on the tail end section of the multi-section sleeve fan blade;

the limit stop hasp is an additional fastener, and the additional fastener is used for fixing the buckle, gluing, riveting or welding the telescopic fan blade to limit the telescopic stroke; or the limit stop hasp is a folded angle, a curled edge, a convex position, a concave position or a hole of the fan blade original; the curled edges are formed by respectively forming an outer curled edge and an inner curled edge at two ends of a telescopic opening of the wind blowing surface and the leeward surface of the sleeve fan blade or the plate fan blade to form a curled edge limiting and clamping hasp and transversely strengthen the shaping strength of the fan blade;

the contact sliding block is a slideway inner boss sliding block which is connected to one end of the sleeve fan blade or the plate fan blade and is provided with an inner boss contact sliding to sleeve the outer wall of the slideway of the sleeve fan blade or the plate fan blade to slide and stretch, so that the friction force and the noise are reduced;

the contact sliding block is made into a spherical sliding block or a conical sliding block, and a plurality of fixed buckles are fixed, glued, riveted or welded on holes on the inner side and the outer side of the wind blowing surface and the leeward surface at one end of the fan blade to contact the fan blade which is sleeved inside and outside;

the contact sliding block is used for contacting and sliding the fan blade by a pier of the fan blade original piece; the mounds are arrayed on the surface of the fan blade;

or the contact sliding block is a pit slot sliding vane of the vane element; the pit grooves are axially arranged along the extension direction of the fan blades and are arrayed on the fan blade surfaces to strengthen the bending resistance of the fan blades;

or the contact sliding block is a T-shaped rib contact sliding fan blade of a fan blade original piece; the T-shaped ribs are arranged along the telescopic axial direction of the fan blades and are arrayed on the fan blade surfaces to strengthen the bending resistance of the fan blades;

the contact sliding block is made into a strip-shaped sliding block fixing buckle, glued, riveted or welded at two ends of the fan blade, the strip-shaped sliding block at one end is externally convex to contact with the sliding sleeve to be sleeved on the inner wall surface of the fan blade to slide, stretch and clean, and the strip-shaped sliding block at the other end is internally convex to contact with the sliding sleeve to be sleeved on the outer wall surface of the fan blade to slide, stretch and clean;

the boss contact of the inner boss sliding block (2B) is arc-shaped, inclined pointed or plane; (ii) a

The multiple sections of large and small sleeves of the telescopic fan blades are cambered straight pipes; the cambered surface straight barrel is a parallel cambered surface straight barrel with a cambered wind blowing surface parallel to a cambered leeward surface; or the cambered straight barrel is a crescent cambered straight barrel with an arc wind blowing surface and an arc leeward surface which are not parallel;

or the multiple sections of large and small sleeves of the telescopic fan blades are angle-folded straight tubes; the wind blowing surface and the leeward surface of the bevel straight barrel are parallel bevel groove straight barrels which are parallel to each other; or the wind blowing surface and the leeward surface of the bevel straight barrel are wing bevel straight barrels which are not parallel to each other;

or the multiple sections of large and small sleeves of the telescopic fan blades are flat straight tubes; the wind blowing surface and the leeward surface of the flat straight body tube are planes parallel to each other;

the multi-section plate of the telescopic fan blade is a plane plate, a cambered surface straight body plate or a bevel straight body plate;

two sides of the sleeve fan blade or the plate fan blade are provided with a V-shaped slideway, a C-shaped slideway or a square slideway;

the contact sliding block is made of plastic materials, rubber materials or graphite materials, so that friction force, noise and impact force are reduced;

the fixed beads are made of plastic or metal;

the bead fixing frame is made of plastic or metal;

the multi-section sleeve fan blade or the multi-section plate fan blade is made of metal;

or the multi-section sleeve fan blade or the multi-section plate fan blade is made of plastic;

or the sleeve fan blade or the plate fan blade is made of resin coagulated fiber;

or the multi-section sleeve fan blade or the multi-section plate fan blade is made of mixed materials; the mixed material is that the fixed base section of the multi-section sleeve fan blade or the multi-section plate fan blade is made of metal material, and the movable expansion joint is made of resin condensed fiber material or plastic material.

Each section of sleeve of the telescopic fan blade is a hollow pipeline which is communicated end to end;

or one end of each section of sleeve of the telescopic fan blade is fixedly connected with a plug through a cross-sectional panel to strengthen and shape, so that the fan blade is ensured not to deform and prevent tripping.

In the design scheme of the fixed-bead telescopic fan blade, lubricating oil, lubricant or lubricating powder is adhered to the surfaces of the multiple sections of sleeve fan blades or the multiple sections of plate fan blades and the contact slider to reduce friction and noise, wherein the lubricating oil is but not limited to 85W/90G L-5 type lubricating oil of great wall, the lubricant is but not limited to P L-3110 dry film lubricant of Antchuan fine chemical industry Co., Ltd, and the graphite powder is but not limited to Huatai HT-5-4 type crystalline flake graphite powder.

In the above design scheme of the fixed bead telescopic fan blade, the plastic material of the contact slider is but not limited to Polytetrafluoroethylene (PTFE), ultra-high molecular weight polyethylene or glass fiber reinforced polyamide 66 brand; or the rubber material of the contact sliding block (2) is but not limited to natural rubber NR or polyurethane rubber AU \ EU; or the graphite material of the contact slider is but not limited to pure carbon graphite M191T or carbon fiber-based graphite TF 310; the graphite block made of graphite is fixedly connected with the limiting clamping hasp to slide and touch the fan blade; or the graphite is made into a graphite film or a graphite coating which is adhered to the limiting and clamping hasp to form the sliding contact fan blade of the sliding block; or the graphite is made into a graphite film or a graphite coating which is adhered to the surface of the fan blade to touch the sliding fan blade; the graphite film or the graphite coating stripes or the check stripes are adhered to or coated on the surface of the fan blade.

In the above design scheme of the fixed bead telescopic fan blade, the plastic material of the fixed bead is but not limited to Polytetrafluoroethylene (PTFE), ultra-high molecular weight polyethylene or glass fiber reinforced polyamide 66 brand; or the metal material of the fixed beads is but not limited to stainless steel or carbon steel.

In the above design scheme of the fixed bead telescopic fan blade, the plastic material of the fixed bead frame is, but not limited to, Polytetrafluoroethylene (PTFE), ultra-high molecular weight polyethylene or glass fiber reinforced polyamide 66 brand; or the metal material of the bead fixing frame is but not limited to stainless steel or carbon steel.

In the above design scheme of the fixed bead telescopic fan blade, the metallic material of the multiple sections of casing fan blades or the multiple sections of plate fan blades is, but not limited to, stainless steel composite carbon steel, carbon spring steel, alloy spring steel or magnesium aluminum alloy; the metal is preferably stainless steel; the stainless steel is, but not limited to, 201, 304, 316, 410, 420 or 440; the carbon spring steel is but not limited to 65, 70, 85 or 65 Mn; the alloy spring steel is but not limited to 55Si2Mn, 60Si2Mn, SKS51, C80, 75Cr1, SUP6 or CK 85.

In the above design scheme of the fixed bead telescopic fan blade, the plastic material of the multiple sections of sleeve fan blades or the multiple sections of plate fan blades is but not limited to polyethylene PE, polypropylene PP, polyvinyl chloride PVC, polystyrene PS, ABS, polyamide PA, polycarbonate PC, polyoxymethylene POM, polyester PBT or polyphenylene oxide PPO, or the plastic material of the multiple sections of sleeve fan blades or the multiple sections of plate fan blades is fiber reinforced plastic; the fiber reinforced plastic is but not limited to glass fiber reinforced polyamide 66, carbon fiber reinforced polyimide TPI, carbon fiber reinforced polyphenylene sulfide PPS or carbon fiber reinforced polyether ether ketone PEEK.

In the above design scheme of the fixed bead telescopic fan blade, the fiber of the resin coagulated fiber material of the multiple sections of sleeve fan blades or the multiple sections of plate fan blades is but not limited to glass fiber, carbon fiber, aramid fiber, basalt fiber, graphene fiber or carbon nanotube fiber; the resin is, but not limited to, a vinyl polyester resin, an epoxy resin, a polyurethane resin, a phenol resin, or a hydrocarbon resin.

In the above design scheme of the fixed bead telescopic fan blade, a plurality of sections of large and small sleeves or a plurality of sections of buckling plates of the telescopic fan blade are connected with a fan turntable, a fan hub or a fan motor rotating shaft by using the minimum sleeve or plate at the innermost layer as a fixed base section; or the multiple sections of large and small sleeves or the multiple sections of buckle plates of the telescopic fan blades use the innermost minimum sleeve or plate as a fixed base section, and a support rod body is sleeved on the fixed base section along the telescopic axial direction to strengthen and support the minimum sleeve to be fixedly connected with a fan turntable, a fan hub or a fan motor rotating shaft; or the multiple sections of large and small sleeves or the multiple sections of buckling plates of the telescopic fan blades are connected with the fan turntable, the fan hub or the rotating shaft of the fan motor by taking the largest outermost sleeve or plate as a fixed base section.

In the design scheme of the fixed bead telescopic fan blade, the telescopic fan blade is connected with an anti-drop safety device; the anti-falling insurance comprises: a safety cable and a motor switch; the safety cable is connected with the tail end section of the telescopic fan blade by one end point, is connected with the fixed base section of the telescopic fan blade or the fan hub by the other end point, and is connected with the control valve of the motor switch by one point in the middle; the motor switch is preset to connect a power supply to the fan motor for starting; the middle point of the safety cable is segmented into a long section and a short section.

The invention has the beneficial effects that: the friction force is small, the fan blades can be more smoothly and more silently stretched, the complete shrinkage is ensured, and the fan blades are stretched and synchronously scraped to clean the fan blades; avoiding manual cleaning of the fan blades; the multistage buckle is prevented from falling off, the safety cable is prevented from falling off, the power supply of the fan motor is automatically turned off by tripping to stop rotating, and the tripping is not operated, so that absolute safety is ensured; the telescopic axial pot holes or T-shaped ribs reduce friction and strengthen the bending resistance of the fan blades; the idle storage space of the fan blades is small; the fan blade telescopic range is enlarged without increasing the diameter of the lamp decoration, only the number of fan blade sections is increased, one diameter lamp decoration is flexibly matched with fans with various diameters, the hidden decoration is not needed, and the telescopic effect is really hidden. The invention is described in further detail below with reference to the following detailed description and accompanying drawings:

[ description of the drawings ]

FIG. 1 is a V-shaped fixed bead frame 9, wherein the fixed bead frame 9 is welded at one end of a crescent cambered surface straight barrel fan blade and is connected with the V-shaped fixed bead frame 9 through a fixed bead 4 at an oblique angle;

FIG. 2 is a perspective view of the attachment fastener 31 of the limit stop buckle 3;

FIG. 3 shows a V-shaped axle wheel ball-fixing frame 91 for fixed-axis connection of the bevel angle of the fixed-axis rotor cylindrical axle wheel 41;

FIG. 4 is an enlarged perspective cut-away view of the bevel dead axle connection V-shaped axle wheel ball-fixing frame 91 of the dead axle rotor cylindrical axle wheel 41;

FIG. 5 shows the oblique-angle axial non-shaft-frame-sleeve positioning rolling of the non-shaft-roller cylindrical roller 51 on the V-shaped roller ball-fixing frame 93;

FIG. 6 is a three-dimensional cut-away view of the V-shaped roller ball-fixing frame 93 with the cylindrical roller 51 positioned and rolled on the oblique-angle axial frame;

FIG. 7 shows that the fixed shaft rotor cone shaft wheel 40 is horizontally fixed shaft connected with the limit stop hasp 3 and slides along the V-shaped slideway;

FIG. 8 is a perspective view of the fixed axis rotor cone pulley 40;

FIG. 9 shows the attachment of the additional fastener 31 of the limit stop buckle 3 to the horizontal fixed shaft;

FIG. 10 is an enlarged view of a portion of FIG. 7;

FIG. 11 shows that the ball 55 without the shaft roller is positioned and rolled on the V-shaped roller ball-fixing frame 93 to slide along the V-shaped slideway;

FIG. 12 shows the ball 55 without axial roller positioned and rolled on the V-shaped roller ball-fixing frame 93;

FIG. 13 is a sectional view of the ball 55 without a shaft roller, positioned and rolled on the V-shaped roller ball holder 93;

FIG. 14 is a cambered straight-body tube fan blade sleeve connected with a fan turntable by using the largest outermost sleeve as a fixed base joint;

FIG. 15 is a view of a wing angle-bending straight pipe using a minimum sleeve as a fixed base joint and sleeved with a support rod body 11 and a fan turntable;

FIG. 16 is a view showing that the crescent-shaped straight pipe uses the smallest sleeve as a fixed base joint and is sleeved with the supporting rod body 11 and the fan turntable;

FIG. 17 is a telescoping axial elevational view of FIG. 16;

FIG. 18 shows a plastic fan blade formed by injection molding with a mold to form an original protrusion 34 position-limiting buckle;

FIG. 19 shows the V-grooved shaft wheel 4V fixed on the straight shaft wheel ball-fixing frame 92 sliding along the V-shaped slide;

FIG. 20 is a V-groove arbor wheel 4V of the fixed-axis rotor pit arbor wheel;

fig. 21 is a V-groove roller 5V of the shaftless roller pit roller;

FIG. 22 shows the V-groove shaft wheel 4V of the fixed shaft rotor is fixedly connected to the straight shaft wheel ball fixing frame 92;

FIG. 23 shows a non-axle roller V-groove roller 5V rolling on a straight roller ball-fixing frame 94 in a vertical axial direction without an axle sleeve;

FIG. 24 is an exploded view of the assembly of two sections of cambered straight-body duct blades with a sliding block 2B in a slideway;

FIG. 25 shows the stop catch 3 being the folded corner 32 and the recessed part 35 of the blade element;

FIG. 26 is an inside perspective view of an in-ramp boss slide 2B;

FIG. 27 is an outside perspective view of an in-ramp boss slide 2B;

FIG. 28 is an elevation view of the fan blade of the fixed axis rotor with the cone shaft wheel 40 fixed to the position-limiting stop hasp 3 in a vertical direction;

fig. 29 shows another alternative way in-ramp slider 2B snapped onto a fan blade original dog-ear 32;

FIG. 30 is an outside perspective view of an alternative slide way boss block 2B;

FIG. 31 is an inside perspective view of an alternative slide in boss slide 2B;

FIG. 32 is an enlarged corner of the cone shaft wheel 40 vertically fixed to the fixed shaft and fixedly connected to the position-limiting locking hasp 3 and the ball-fixing frame 9;

FIG. 33 is a cross section of the cone shaft wheel 40 fixed on the position-limiting stop buckle 3 in the axial direction of the multiple fan blades;

FIG. 34 is a vertical fixed axis of the conical shaft wheel 40 with a limited stop buckle 3 with a section of parallel bevel groove straight tube axial section;

FIG. 35 is an axial cross section of a multi-section wing bevel straight tube of the cone shaft wheel 40 vertical fixed shaft connection limit stop hasp 3;

FIG. 36 is an axial cross section of a plurality of sections of angle-folded straight body plate blocks of a conical shaft wheel 40 vertical fixed shaft connection limit stop hasp 3;

FIG. 37 shows that the cambered straight tube cylindrical arbor wheel 41 slides along the V-shaped slideway by the V-shaped arbor wheel fixing frame 91 connected with the oblique angle and the fixed axis;

FIG. 38 shows that the cambered straight body plate cylindrical arbor wheel 41 is connected with the V-shaped arbor wheel fixing ball frame 91 along the V-shaped slideway by oblique angle fixed axis;

FIG. 39 is a schematic view showing a V-shaped shaft wheel fixing ball frame 91 connected to a wing bevel straight barrel cylindrical shaft wheel 41 through bevel and fixed axis connection;

FIG. 40 is an enlarged view of the V-shaped axle wheel ball holder 91;

FIG. 41 is an enlarged view of the V-shaped roller ball holder 93;

FIG. 42 shows the V-grooved arbor 4V vertical dead axle coupled to the inline wheel ball holder 92 and sliding along the V-shaped slide;

FIG. 43 shows the U-grooved pulley 4U vertically fixed-axis connected to the straight-axis pulley ball-fixing frame 92 and sliding along the C-shaped slide;

FIG. 44 shows the cylindrical pulley 41 vertically fixed to the ball holder 92 and sliding along the C-shaped slide;

FIG. 45 shows a V-grooved roller 5V with a vertical axial housing rolled on a linear roller ball-retaining frame 94 and sliding along a V-shaped slide;

FIG. 46 shows the U-groove roller 5U rolling vertically axially on the ball holder 94 and sliding along the C-shaped slide;

FIG. 47 shows the cone pulley 40 horizontally fixed-axis connected to the position-limiting locking hasp 3 and sliding along the V-shaped slideway;

FIG. 48 shows the cone pulley 40 horizontally fixed-axis connected to the position-limiting locking hasp 3 and sliding along the C-shaped slideway;

FIG. 49 shows the cylindrical shaft wheel 41 horizontally fixed-shaft connected to the limit stop hasp 3 and sliding along the square slideway;

FIG. 50 shows the cylindrical roller 51 rolling vertically axially on the linear roller ball-fixing frame 94 and sliding along the V-shaped slide;

FIG. 51 shows the cylindrical roller 51 rolling on the linear roller ball-fixing frame 94 along the square sliding way along the horizontal axis;

FIG. 52 is a view of the outer edge 33a of the expansion joint of the windward side and the leeward side of the crescent-shaped straight barrel;

FIG. 53 is an enlarged view of the inward curled edge 33b of the telescoping ports of the windward and leeward sides of the crescent-shaped straight barrel;

FIG. 54 is an enlarged view of the outer edge 33a of the expansion joint on the windward side and the leeward side of the crescent-shaped straight barrel;

FIG. 55 is a perspective view of the contact slider 2 made of a spherical or conical slider 2d plural number fastened to one end of the fan blade to contact the fan blade;

FIG. 56 is a cross-sectional view of the contact slider 2 made of a round ball or a conical slider 2d plural number fastened to one end of the fan blade to contact the fan blade;

fig. 57 shows the contact slider 2 is the fan blade of the fan blade original whose mound 36 slides and is sleeved inside and outside;

FIG. 58 shows the ball 55 without axial rollers positioned to roll on the inline roller ball holder 94 sliding along the C-shaped slide;

FIG. 59 shows that the fan blades of the bevel straight body plate block are positioned by rolling balls 55 and sleeved with frames to roll on the C-shaped slide ways to slide;

FIG. 60 is an assembled exploded view of a flat barrel fan blade positioned by a ball 55 and rolled on a linear roller ball-fixing frame 94 sliding along a C-shaped slideway;

FIG. 61 shows the retractable blades connected to the anti-dropping fuse and fuse circuit;

FIG. 62 is an enlarged, cross-sectional view of the blade of the crescent-shaped spar of FIG. 63;

FIG. 63 is a cross section of a crescent cambered straight pipe fan blade, wherein telescopic slideways are respectively arranged at two sides and a middle folding position of the fan blade.

[ detailed description ] embodiments

The present invention is illustrated in detail by the following examples, which include, but are not limited to, the following examples.

The material of the limit stop hasp 3 in the following embodiments from one to fourteen is the same as that of the sleeve fan blade or the plate fan blade so as to facilitate the gluing with the same property, the welding with the same type of material or the integral injection molding;

in the following embodiments from one to fourteen, as shown in fig. 26, 27, 30 and 31, the contact slider 2 is a slide inner boss slider 2B which is connected to one end of the sleeve fan blade or the plate fan blade and is provided with an inner boss contact to slide and stretch in the slide outer wall of the sleeve fan blade or the plate fan blade, so as to reduce friction and noise; the boss contact of the inner boss sliding block (2B) is arc-shaped, inclined pointed or plane;

in the following embodiments from one to fourteen, the contact slider 2 is made into a strip slider to fix the buckle, glue, rivet or weld at the two ends of the fan blade, the strip slider at one end is used for contacting the inner wall surface of the outer sleeve of the sliding sleeve to slide, stretch and clean, and the strip slider at the other end is used for contacting the outer wall surface of the inner sleeve of the sliding sleeve to slide, stretch and clean.

In the following embodiments two, three, four, seven, eight, nine and fourteen, each section of sleeve of the telescopic fan blade 1 is fixedly connected with a plug at one end by a cross-sectional panel to be strengthened and shaped, so that the fan blade is ensured not to deform and prevent tripping.

In the following embodiments one, five and six, each section of the sleeve of the telescopic fan blade 1 is a hollow pipeline which penetrates through from head to tail.

In the following embodiments from one to fourteen, as shown in fig. 61, an anti-dropping fuse is connected to each of the retractable blades 1, and the anti-dropping fuse includes: the safety cable 22 and the motor switch 44; the safety cable 22 is connected with the tail end section of the telescopic fan blade 1 by one end point, the safety cable 22 is connected with the fixed base section of the telescopic fan blade 1 or the fan hub by the other end point, and the safety cable 22 is connected with the control valve of the motor switch 44 by the middle point 8; the motor switch 44 is preset to connect the power supply to the fan motor for starting; the middle point 8 of the safety cable 22 is divided into a long section and a short section of the safety cable 22;

as shown in fig. 61, the length of the long section is the total length of the extended telescopic fan blade 1; the length of the short section is the positioning distance between the positioning of the motor switch 44 at one point in the middle and the fixed base section of the telescopic fan blade 1 connected with the other end point of the safety cable 22 plus the anti-falling limiting length of the two-stage clamping hasp 3; if one of the multiple telescopic fan blades 1 is tripped, the safety cable 22 is stretched beyond the total length of the multiple telescopic fan blades 1 to pull the motor switch 4 to cut off the power supply of the fan motor.

In the following embodiments one, five and six, the plastic material of the contact slider 2 is but not limited to PTFE, ultra-high molecular weight polyethylene or glass fiber reinforced polyamide 66.

In the following three, four, six, seven, eight, nine, ten, eleven and thirteen embodiments, the rubber material of the contact slider 2 is, but not limited to, natural rubber NR or urethane rubber AU \ EU.

In the following two, twelve and fourteen embodiments, the graphite material of the contact slider 2 is, but not limited to, pure carbon graphite M191T or carbon fiber-based graphite TF 310.

In the following examples five, six, seven, eight, nine, ten and eleven, the plastic material of the fixed beads 4 and the fixed bead frame 9 is but not limited to Polytetrafluoroethylene (PTFE), ultra-high molecular weight polyethylene or glass fiber reinforced polyamide (66) brand.

In the following examples one, two, three, four, twelve, thirteen and fourteen, the metal material of the fixed beads 4 and the fixed bead frame 9 is, but not limited to, stainless steel or carbon steel.

In the following embodiments one, two, three, four, eight, nine, twelve, thirteen and fourteen, the metal material of the multi-section sleeve fan blade or the multi-section plate fan blade is, but not limited to, stainless steel composite carbon steel, carbon spring steel, alloy spring steel or magnesium aluminum alloy; the metal is preferably stainless steel; the stainless steel is, but not limited to, 201, 304, 316, 410, 420 or 440; the carbon spring steel is but not limited to 65, 70, 85 or 65 Mn; the alloy spring steel is but not limited to 55Si2Mn, 60Si2Mn, SKS51, C80, 75Cr1, SUP6 or CK 85.

In the fifth embodiment and the sixth embodiment, the plastic material of the multi-section sleeve fan blade or the multi-section plate fan blade is, but not limited to, polyethylene PE, polypropylene PP, polyvinyl chloride PVC, polystyrene PS, ABS, polyamide PA, polycarbonate PC, polyoxymethylene POM, polyester PBT or polyphenylene oxide PPO; or the plastic material of the multi-section sleeve fan blade or the multi-section plate fan blade is fiber reinforced plastic; the fiber reinforced plastic is but not limited to glass fiber reinforced polyamide 66, carbon fiber reinforced polyimide TPI, carbon fiber reinforced polyphenylene sulfide PPS or carbon fiber reinforced polyether ether ketone PEEK.

In the seventh, eighth, ninth, tenth, eleventh and thirteenth embodiments, the fiber of the resin-coagulated fiber material of the multi-section sleeve fan blade or the multi-section plate fan blade is, but not limited to, a glass fiber, a carbon fiber, an aramid fiber, a basalt fiber, a graphene fiber or a carbon nanotube fiber; the resin is, but not limited to, a vinyl polyester resin, an epoxy resin, a polyurethane resin, a phenol resin, or a hydrocarbon resin.

In the following embodiments, the fan blade diameter is increased to expand the air sweeping area, and the lamp decoration diameter is not changed, the air sweeping area can be expanded by only increasing the number of the fan blade sections and increasing the extension length of the fan blade, the lamp decoration diameter is not required to be increased by increasing the number of the fan blade sections, a fan with various diameters can be flexibly matched and matched by one type of lamp decoration with the same diameter, and the power of a fan motor is correspondingly increased.