WO2020015543A1 - 一种梯子 - Google Patents

一种梯子 Download PDF

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Publication number
WO2020015543A1
WO2020015543A1 PCT/CN2019/094846 CN2019094846W WO2020015543A1 WO 2020015543 A1 WO2020015543 A1 WO 2020015543A1 CN 2019094846 W CN2019094846 W CN 2019094846W WO 2020015543 A1 WO2020015543 A1 WO 2020015543A1
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WO
WIPO (PCT)
Prior art keywords
ladder
mounting
legs
plastic
metal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
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PCT/CN2019/094846
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English (en)
French (fr)
Inventor
朱晨辉
张勇健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Zhou Jijie Lntelligent Technology Co Ltd
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Jiangsu Zhou Jijie Lntelligent Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from CN201821119307.3U external-priority patent/CN208996619U/zh
Priority claimed from CN201920791717.0U external-priority patent/CN210768579U/zh
Application filed by Jiangsu Zhou Jijie Lntelligent Technology Co Ltd filed Critical Jiangsu Zhou Jijie Lntelligent Technology Co Ltd
Publication of WO2020015543A1 publication Critical patent/WO2020015543A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/08—Special construction of longitudinal members, or rungs or other treads

Definitions

  • the utility model relates to a ladder, which belongs to the technical field of household articles.
  • Ladder is a tool commonly used in daily operations.
  • Ladder pedals are essential components of ladders.
  • the ladder pedals of the prior art are made of plastic or metal, and plastic materials have low manufacturing cost but insufficient bearing capacity.
  • metal materials have excellent bearing performance, they have high manufacturing costs and heavy weight. ; Therefore, designing a low price and strong carrying capacity has become the design goal of technical staff.
  • a ladder includes a ladder frame and a composite pedal, and the composite pedal is connected to the ladder frame by using a connecting piece.
  • the composite pedal includes a plastic step and a metal piece, and the metal piece is embedded in the plastic step. At the outer edge of the plastic step, the metal piece extends circumferentially along the outer edge of the plastic step into an open or closed loop, and the metal piece has at least one bend.
  • the metal part is a hollow pipe.
  • the connecting piece connects the ladder frame and the metal piece to install the composite pedal on the ladder frame.
  • the ladder frame includes at least two ladder legs, and the two ends of the composite pedal are respectively connected to the ladder legs.
  • the ladder legs include an aluminum alloy profile and an iron pipe, and the aluminum alloy profile and the iron pipe are combined in parallel.
  • the aluminum alloy profile has a cavity in which an iron pipe can be embedded, and the iron pipe is disposed in the cavity.
  • the mounting component includes a metal liner and a plastic jacket, and the metal liner is disposed in the plastic jacket;
  • the ladder frame includes at least four ladder legs, and the fastener penetrates the metal liner, the plastic jacket and The two ladder legs are fixedly connected, and the fastener penetrates the metal inner lining, the plastic jacket and the other two legs are rotationally connected.
  • the plastic bridge also includes a plastic bridge and a reinforcing brace formed by pipe bending. Two ends of the plastic bridge are respectively connected to the ladder legs on both sides. The two ends of the reinforcing brace are bent to form a mounting portion. The reinforcing brace is provided on the two ladders. Inside the legs, the two mounting portions are fixedly connected to the inside of the two ladder legs, respectively.
  • the length of the two ladder legs is greater than the length of the other two legs, and further includes a plastic bridge piece and a reinforcing brace formed by pipe bending, and the two ends of the plastic bridge piece are respectively connected to the ends of the two ladder legs with relatively long lengths.
  • the two ends of the reinforcing brace are bent to form a mounting portion, and the reinforcing brace is provided on the inner side of the two ladder legs, and the two mounting portions are respectively fixedly connected to the inner sides of the two ladder legs.
  • the front surface of the plastic step is provided with a groove body for inserting metal pieces.
  • the plastic step includes a flat plate-shaped main body, and a peripheral edge fixedly connected to the main body is provided along an outer edge of the main body, and ribs arranged alternately with warp and weft are arranged in the peripheral edge.
  • the ladder frame includes two ladder legs, and a rung is provided between the two ladder legs; and a mounting member is also included, and the mounting member includes two mounting portions, a convex body is provided between the two mounting portions, and two mounting portions It is fixedly connected to the convex body, and the two ends of the crosspiece are provided with cavities into which the convex body of the mounting member can be embedded. After installation, the convex body of the mounting member is embedded in the crossbar, and the mounting portion of the mounting member is connected to the ladder leg.
  • the mounting member is a metal material of an integrated mechanism.
  • the mounting member is bent by using a metal plate to form an n-shaped convex body, and two sides of the n-shaped convex body are bent outward to form a mounting portion.
  • a first mounting hole is provided on the upper side of the rung
  • a second mounting hole is provided on the side wall of the convex body adjacent to the first mounting hole
  • a fastener is provided in the first mounting hole and the second mounting hole. Fixed with convex body.
  • a hole position is provided on a side of the ladder leg near the rung, a nut fixedly connected to the ladder leg is provided in the hole position, a third mounting hole is provided in the mounting portion, and the screw passes through the third mounting hole and is fastened with the nut Attach the rungs to the ladder legs.
  • the composite pedal of the present utility model combines the performance advantages of plastic and metal, so as to produce a composite pedal with low price and strong bearing capacity.
  • the ladder legs of the utility model realize the combination of two different metal materials and are applied to the main parts of the ladder, which can greatly reduce the manufacturing cost, and the bearing capacity of the ladder is not affected, and the economic advantages are prominent.
  • FIG. 1 is a schematic structural diagram of the exploded state of the present invention.
  • FIG. 2 is a schematic structural view of the present invention from another perspective.
  • FIG. 3 is a schematic structural view of another embodiment in which a metal piece is embedded in a plastic step according to the present invention.
  • FIG. 4 is a schematic structural diagram of the plastic step according to the present invention.
  • FIG. 5 is a schematic structural view of FIG. 4 from another perspective.
  • FIG. 6 is a schematic structural diagram of one embodiment of the ladder leg according to the present invention.
  • FIG. 7 is a schematic structural diagram of another embodiment of the ladder leg according to the present invention.
  • FIG. 8 is a schematic structural diagram of the present invention.
  • FIG. 9 is a schematic structural diagram of the connecting member according to the present invention.
  • FIG. 10 is a schematic structural diagram of a rung according to the present invention.
  • a ladder includes a ladder frame 2 and a composite pedal 1.
  • the composite pedal 1 is mounted on the ladder frame 2 by using a connecting member 3, and the ladder frame 2 includes a ladder leg 21.
  • the connecting member 3 is a fastener, such as a shaft-like connecting member 3 such as a rivet, a screw, a lock pin, etc.
  • the connecting member 3 is provided with a ladder frame 2 and a composite pedal 1 for installation.
  • the composite pedal 1 includes a plastic step 11 and a metal piece 12, and the metal piece 12 is embedded in the plastic step 11.
  • the metal part 12 embedded in the plastic step 11 includes, but is not limited to, two embodiments as shown in FIG. 1 and FIG.
  • the metal piece 12 described in this embodiment is disposed at the outer edge of the plastic step 11.
  • the metal piece 12 extends in an open loop or a closed loop along the outer edge of the plastic step 11.
  • the metal piece 12 has at least one bend.
  • the metal piece 12 is arranged on the outer edge of the plastic step 11, which has a better effect on the reinforced area and effect of the plastic step 11. Under the same surrounding conditions, the metal piece 12 has a longer extension distance and the reinforcement effect is better, but considering the cost factor, the metal piece 12 The extended length can be selected according to the most cost-effective method. After bending the metal part 12, the vertical load capacity is improved.
  • the metal part 12 described in this embodiment is a hollow pipe. Compared with a solid structure, the hollow pipe has a stronger yield resistance and a heavier weight.
  • the connecting member 3 described in this embodiment connects the ladder frame 2 and the metal piece 12 to mount the composite pedal 1 on the ladder frame 2.
  • the ladder frame 2 and the metal piece 12 are the main bearing components. With this connection structure, the load capacity of the composite pedal 1 is greatly improved.
  • the front surface of the plastic step 11 is provided with a groove body 10 for inserting a metal piece 12.
  • the metal piece 12 is disposed in the groove body 10 and is fixedly connected to the plastic step 11.
  • the manner of fixed connection includes conventional technical means in the art, such as riveting, bonding, tight fitting, snap-fitting, screw fastening, and the like.
  • the plastic step 11 described in this embodiment includes a flat plate-shaped main body 111.
  • a peripheral edge 112 fixedly connected to the main body 111 is provided along the outer edge of the main body 111.
  • the ladder frame 2 in this embodiment includes at least two ladder legs 21.
  • the two ends of the composite pedal 1 are respectively connected to the ladder legs 21.
  • the ladder legs 21 include an aluminum alloy profile 211 and an iron pipe 212.
  • the alloy profile 211 and the iron pipe 212 are combined in parallel.
  • the aluminum alloy profile 211 and the iron pipe 212 can be riveted, welded or glued together.
  • the price of the iron pipe 212 is significantly lower than that of the aluminum alloy profile 211.
  • the mechanical performance of the two structures is greatly improved, and the production cost is greatly reduced when the same mechanical performance is achieved.
  • the aluminum alloy profile 211 has an iron pipe 212 for embedding and a cavity, and the iron pipe 212 is disposed in the cavity.
  • the aluminum alloy profile 211 leaves space for installing the iron pipe 212, and the combination of the two is highly matched and reliable after matching.
  • This embodiment further includes a mounting assembly 4 including a metal inner lining 41 and a plastic outer casing 42.
  • the metal inner lining 41 is disposed in the plastic outer casing 42; the ladder frame 2 includes at least four ladder legs 21, The metal-permeable liner 41 and the plastic jacket 42 are fixedly connected to the two ladder legs 21, and the fastener penetrates the metal liner 41, the plastic jacket 42 and the other two ladder legs 21 to be rotationally connected.
  • This embodiment further includes a plastic bridge 5 and a reinforcing rod 51 formed by bending a pipe.
  • the two ends of the plastic bridge 5 are respectively connected to the ladder legs 21 on both sides, and the two ends of the reinforcing rod 51 are bent to form a mounting portion.
  • the rod 51 is provided inside the two ladder legs 21, and the two mounting portions are fixedly connected to the inside of the two ladder legs 21, respectively. This structure enhances the strength of the force of the single plastic bridge 5 and is properly arranged.
  • the reinforcing rod 51 has a supporting effect on the plastic bridge 5.
  • the length of the two ladder legs 21 in this embodiment is greater than the length of the other two ladder legs 21, and further includes a plastic bridge 5 and a reinforcing rod 51 formed by bending the pipe.
  • the two ends of the plastic bridge 5 are opposite in length.
  • both ends of the reinforcing rod 51 are bent to form a mounting portion.
  • the reinforcing rod 51 is disposed inside the two ladder legs 21, and the two mounting portions are fixedly connected to the inside of the two ladder legs 21, respectively.
  • this embodiment further includes a mounting member 2-2.
  • the mounting member 2-2 includes two mounting portions 2-21, and a convex body 2-22 is provided between the two mounting portions 2-21.
  • the two mounting portions 2-21 are fixedly connected to the convex body 2-22, and two ends of the crosspiece 2-3 are provided with a cavity 2-30 into which the convex body 2-22 of the mounting piece 2-2 can be embedded.
  • the convex body 2-22 of the mounting member 2-2 is embedded in the rung 2-3.
  • the convex body 2-22 of the mounting member 2-2 can be inserted into the cavity 2-30 of the rung 2-3. Fasteners are used for further fixing, and the mounting portion 2-21 of the mounting member 2-2 is connected to the ladder leg 1.
  • the mounting portion 2-21 and the convex body 2-22 can be welded and fixed, the convex body 2-22 is connected to the cross bar 2-3, and the mounting portion 2-21 is connected to the ladder leg 1.
  • the mounting portion 2-21 and the ladder leg 1 are fixed with rivets or other fasteners.
  • the crosspieces 2-3 in this embodiment refer to the components connected to the ladder legs 1 at both ends, and include a connecting rod for fixing and connecting, and also include a foot pedal used by a user as a foot pedal. After the crossbar 2-3 is installed in the above structure, the ladder leg 1 will not be damaged, so the bearing capacity of the ladder leg 1 will not be damaged.
  • the mounting member 2-2 described in this embodiment is a metallic material of an integrated mechanism.
  • the mounting member 2-2 is formed by bending a metal plate to form an n-shaped protrusion 2-22, and two sides of the n-shaped protrusion 2-22 Bend outward to form the mounting portion 2-21.
  • the mounting piece 2-2 is an integrated structure, and the assembly with the crosspiece 2-3 is simple and reliable, and the strength of the force is good.
  • the side wall of the n-shaped convex body 2-22 and the cross rail 2-3 are fixed by fasteners.
  • Fasteners include rivets, screws, and screws.
  • a first mounting hole 2-31 is provided on the upper side of the rung 2-3, and a second mounting hole 2 is provided on a side wall of the convex body 2-22 near the first mounting hole 2-31.
  • Fasteners are provided in the first mounting hole 2-31 and the second mounting hole 2-23 to fix the rail 2-3 with the convex body 2-22. Fasteners include rivets, screws, and screws.
  • the ladder leg 1 is provided with a hole position 2-10 on the side close to the rung 2-3, and the hole position 2-10 is provided with a nut 2-41 fixedly connected to the ladder leg 1, and the mounting part 2-21 is provided.
  • the screw 2-42 passes through the third mounting hole and is fastened with the nut 2-41.
  • the rail 2-3 is fixedly connected to the ladder leg 1.
  • the nut 2-41 in this embodiment also includes a non-standard nut formed in the form of a thread with a tubular inner wall, and also includes an integrated embodiment, such as the first
  • the three mounting holes are tapped to form an internal thread.
  • the nut 2-41 is formed on the ladder leg 1. This technical method still has a nut 2-41, but it has already been combined with the ladder leg 1. It still belongs to the protection scope of this application.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)

Abstract

一种梯子，包括梯架（2）和复合踏板（1），复合踏板（1）采用连接件（3）安装在梯架（2），复合踏板（1）包括塑料踏（11）和金属件（12），金属件（12）镶在塑料踏（11）；金属件（12）设在塑料踏（11）的外边缘处，金属件（12）沿塑料踏（11）的外边缘环向延伸呈开环或闭环，金属件（12）具有至少一个折弯。该梯子结合了塑料和金属的性能优势，价格低廉且承载能力强。

Description

一种梯子 技术领域
本实用新型涉及一种梯子，属于家居用品技术领域。
背景技术
梯子是日常作业常用到的工具。梯子脚踏是的梯子必备部件，现有技术的梯子脚踏为塑料材质或金属材质，而塑料材质制造成本低，但承载力不足；金属材质虽然承载性能优异，但制造成本高，质量重；因此设计一种价格低廉，承载能力强成为技术人员的设计目的。
实用新型内容
本实用新型的目的在于克服现有技术中存在的上述不足，而提供一种结构设计合理，制造成本低、稳定性优异的一种梯子。
本实用新型解决上述问题所采用的技术方案是：
一种梯子，所述梯子包括梯架和复合踏板，复合踏板采用连接件安装在梯架，所述复合踏板包括塑料踏和金属件，所述金属件镶在塑料踏；所述金属件设在塑料踏的外边缘处，金属件沿塑料踏的外边缘环向延伸呈开环或闭环，金属件具有至少一个折弯。
进一步说，所述金属件为空心管材。
进一步说，所述连接件分别连接梯架和金属件将复合踏板安装在梯架。
进一步说，所述梯架包括至少两梯腿，复合踏板两端分别连接梯腿，所述梯腿包括铝合金型材和铁管，所述铝合金型材和铁管并行结合。
进一步说，所述铝合金型材具有可供铁管嵌入的腔体，铁管设在该腔体内。
进一步说，还包括安装组件，安装组件包括金属内衬和塑料外套，金属内衬设置在塑料外套内；所述梯架包括至少四个梯腿，紧固件穿透金属内衬、塑料外套与两梯腿固定连接，紧固件穿透金属内衬、塑料外套与另两梯腿转动连接。
进一步说，还包括一塑料桥接件和采用管材折弯形成的加强撑，所述塑料桥接件两端分别连接两侧的梯腿，加强撑两端折弯形成安装部，加强撑设置在两梯腿内侧，两安装部分别与两梯腿内侧固定连接。
进一步说，两梯腿的长度大于另两梯腿的长度，还包括一塑料桥接件和采用管材折弯形成的加强撑，所述塑料桥接件两端分别连接长度相对长的两梯腿的末端，加强撑两端折弯形成安装部，加强撑设置在两梯腿内侧，两安装部分别与两梯腿内侧固定连接。
进一步说，所述塑料踏的正面设有用于镶金属件的槽体。
进一步说，所述塑料踏包括一平板状的主体，沿主体的外边缘设有与主体固定连接的围边，围边内设有呈经纬交错设置的筋条。
进一步说，所述梯架包括两梯腿，两梯腿之间设有横档；还包括一安装件，所述安装件包括两安装部，两安装部之间设有凸体，两安装部与凸体固定相连，所述横档两端设有可供安装件的凸体嵌入的空腔，安装后，所述安装件的凸体嵌入横档，安装件的安装部与梯腿相连。
进一步说，所述安装件为一体机构的金属材料，安装件采用金属板材折弯形成n形的凸体，n形的凸体两侧向外侧折弯形成安装部。
进一步说，n形的凸体的侧壁与横档采用紧固件固定。
进一步说，横档的上方面设有第一安装孔，靠近第一安装孔的凸体的侧壁设有第二安装孔，紧固件设置在第一安装孔和第二安装孔将横档与凸体固定。
进一步说，梯腿上靠近横档的一侧设有孔位，孔位内设有与梯腿固定相连的螺母，安装部设有第三安装孔，螺丝穿过第三安装孔与螺母紧固将横档与梯腿固定相连。
本实用新型与现有技术相比，具有以下优点和效果：
1、本实用新型的复合踏板，结合了塑料和金属的性能优势，从而制造出一种价格低廉，承载能力强的复合踏板。
2、本实用新型的梯腿，将两种不同的金属材质实现结合，并应用于梯子主件，可大幅降低制造成本，而梯子的承载能力不受影响，经济性优势凸显。
附图说明
图1是本实用新型分解状态的结构示意图。
图2是本实用新型另一视角的结构示意图。
图3是本实用新型所述金属件镶在塑料踏另一实施方式的结构示意图。
图4是本实用新型所述塑料踏的结构示意图。
图5是图4另一视角的结构示意图。
图6是本实用新型所述梯腿其中一实施方式的结构示意图。
图7是本实用新型所述梯腿另一实施方式的结构示意图。
图8是本实用新型的结构示意图。
图9是本实用新型所述连接件的结构示意图。
图10是本实用新型所述横档的结构示意图。
具体实施方式
下面结合附图并通过实施例对本实用新型作进一步的详细说明，以下实施例是对本实用新型的解释而本实用新型并不局限于以下实施例。
实施例1
如图1至3所示，一种梯子，所述梯子包括梯架2和复合踏板1，复合踏板1采用连接件3安装在梯架2，所述梯架2包括梯腿21。作为优选，连接件3为紧固件，如铆钉、螺丝、锁销等具轴类连接件3，连接件3穿设梯架2和复合踏板1实现安装。所述复合踏板1包括塑料踏11和金属件12，所述金属件12镶在塑料踏11。所述金属件12镶在塑料踏11包括但不限于如图1和图3的两种实施方式，前者金属件12两侧均有塑料踏11，后者只有单侧有塑料踏11。
本实施例所述金属件12设在塑料踏11的外边缘处，金属件12沿塑料踏11的外边缘环向延伸呈开环或闭环，金属件12具有至少一个折弯。金属件12设置在塑料踏11的外边缘，对塑料踏11的加强区域和效果更优异，同样围度条件下金属件12的延伸距离更长加强效果更好，但考虑成本因素，金属件12的延伸长度可根据需要选择性价比最高的方式实施。金属件12折弯后竖向载荷能力提升。
本实施例所述金属件12为空心管材，空心管材相比实心结构，抗屈服性能更强，重量更强。
本实施例所述连接件3分别连接梯架2和金属件12将复合踏板1安装在梯架2。梯架2和金属件12为主要承载部件，采用该连接结构，复合踏板1的载荷能力大幅提升。
如图4所示，本实施例所述塑料踏11的正面设有用于镶金属件12的槽体10，金属件12设置在该槽体10内并与塑料踏11固定连接。固定连接的方式包括本领域的常规技术手段，如铆接、粘结、紧配、卡接、螺丝紧固等等。
如图5所示，本实施例所述塑料踏11包括一平板状的主体111，沿主体111的外边缘设有与主体111固定连接的围边112，围边112内设有呈经纬交错设置的筋条113。
如图6所示，本实施例所述梯架2包括至少两梯腿21，复合踏板1两端分别连接梯腿21，所述梯腿21包括铝合金型材211和铁管212，所述铝合金型材211和铁管212并行结合。作 为优选铝合金型材211和铁管212之间可铆接、焊接或采用胶体粘合。该结构中铁管212的价格明显低于铝合金型材211，然而两者结构后的受力性能大幅提升，而制作成本在达到同样的受力性能条件下大幅降低。
如图7所示，本实施例所述铝合金型材211具有可供铁管212嵌入和腔体，铁管212设在该腔体内。该结构中铝合金型材211留置了安装铁管212的空间，两者组合匹配度高，匹配后可靠。
本实施例还包括安装组件4，安装组件4包括金属内衬41和塑料外套42，金属内衬41设置在塑料外套42内；所述梯架2包括至少四个梯腿21，紧固件穿透金属内衬41、塑料外套42与两梯腿21固定连接，紧固件穿透金属内衬41、塑料外套42与另两梯腿21转动连接。现有技术中，单一的金属内衬41在寒冷温度条件下，做冲击试验，极易导致金属内衬41的开裂；而如果单一塑料外套42，其受力强度又不够，本申请中两者复合后，其在寒冷条件下的耐冲击和受力强度明显提升，具体显著的进度。
本实施例还包括一塑料桥接件5和采用管材折弯形成的加强杆51，所述塑料桥接件5两端分别连接两侧的梯腿21，加强杆51两端折弯形成安装部，加强杆51设置在两梯腿21内侧，两安装部分别与两梯腿21内侧固定连接。该结构增强了单一塑料桥接件5的受力强度，设置位置得当，加强杆51对塑料桥接件5又具有支撑效果。
本实施例所述两梯腿21的长度大于另两梯腿21的长度，还包括一塑料桥接件5和采用管材折弯形成的加强杆51，所述塑料桥接件5两端分别连接长度相对长的两梯腿21的末端，加强杆51两端折弯形成安装部，加强杆51设置在两梯腿21内侧，两安装部分别与两梯腿21内侧固定连接。
如图8至10所示，本实施例还包括一安装件2-2，所述安装件2-2包括两安装部2-21，两安装部2-21之间设有凸体2-22，两安装部2-21与凸体2-22固定相连，所述横档2-3两端设有可供安装件2-2的凸体2-22嵌入的空腔2-30，安装后，所述安装件2-2的凸体2-22嵌入横档2-3，作为优选，安装件2-2的凸体2-22嵌入横档2-3的空腔2-30后可再采用紧固件进一步固定，安装件2-2的安装部2-21与梯腿1相连。本实施例中的安装部2-21与凸体2-22可焊接固定，凸体2-22与横档2-3相连，安装部2-21与梯腿1相连。安装部2-21与梯腿1采用铆钉或其他紧固件固定。本实施例中所述横档2-3指两端连接梯腿1的部件，具体实施时包括起固定相连作用的连杆，也包括使用者作为脚踏的脚踏板。上述结构在安装横档2-3后，不会破坏梯腿1，因此不会有损梯腿1的承受力。
作为优选，本实施例所述安装件2-2为一体机构的金属材料，安装件2-2采用金属板材折弯形成n形的凸体2-22，n形的凸体2-22两侧向外侧折弯形成安装部2-21。安装件2-2为一体结构，与横档2-3的装配简单可靠，受力强度好。
作为优选，本实施例中n形的凸体2-22的侧壁与横档2-3采用紧固件固定。紧固件包括铆钉、螺丝、螺钉。
进一步作为优选，本实施例中横档2-3的上方面设有第一安装孔2-31，靠近第一安装孔2-31的凸体2-22的侧壁设有第二安装孔2-23，紧固件设置在第一安装孔2-31和第二安装孔2-23将横档2-3与凸体2-22固定。紧固件包括铆钉、螺丝、螺钉。
作为优选，梯腿1上靠近横档2-3的一侧设有孔位2-10，孔位2-10内设有与梯腿1固定相连的螺母2-41，安装部2-21设有第三安装孔，螺丝2-42穿过第三安装孔与螺母2-41紧固将横档2-3与梯腿1固定相连。本实施例中的螺母2-41除了常规的螺母2-41外，还包括一管状，管状内壁设有螺纹的形式形成的非标螺母，同时也包括一融合成一体的实施方式，如对第三安装孔攻丝形成内螺纹，此时的螺母2-41成型在梯腿1，该技术方式还是有螺母2-41，只是已经与梯腿1相结合。仍属于本申请的保护范围。
本说明书中所描述的以上内容仅仅是对本实用新型所作的举例说明。本实用新型所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，只要不偏离本实用新型说明书的内容或者超越本权利要求书所定义的范围，均应属于本实用新型的保护范围。

Claims (15)

  1. 一种梯子，其特征是，所述梯子包括梯架和复合踏板，复合踏板采用连接件安装在梯架，所述复合踏板包括塑料踏和金属件，所述金属件镶在塑料踏；所述金属件设在塑料踏的外边缘处，金属件沿塑料踏的外边缘环向延伸呈开环或闭环，金属件具有至少一个折弯。
  2. 如权利要求1所述的一种梯子，其特征是，所述金属件为空心管材。
  3. 如权利要求1或2所述的一种梯子，其特征是，所述连接件分别连接梯架和金属件将复合踏板安装在梯架。
  4. 如权利要求1或2所述的一种梯子，其特征是，所述梯架包括至少两梯腿，复合踏板两端分别连接梯腿，所述梯腿包括铝合金型材和铁管，所述铝合金型材和铁管并行结合。
  5. 如权利要求4所述的一种梯子，其特征是，所述铝合金型材具有可供铁管嵌入的腔体，铁管设在该腔体内。
  6. 如权利要求1或2所述的一种梯子，其特征是，还包括安装组件，安装组件包括金属内衬和塑料外套，金属内衬设置在塑料外套内；所述梯架包括至少四个梯腿，紧固件穿透金属内衬、塑料外套与两梯腿固定连接，紧固件穿透金属内衬、塑料外套与另两梯腿转动连接。
  7. 如权利要求4所述的一种梯子，其特征是，还包括一塑料桥接件和采用管材折弯形成的加强撑，所述塑料桥接件两端分别连接两侧的梯腿，加强撑两端折弯形成安装部，加强撑设置在两梯腿内侧，两安装部分别与两梯腿内侧固定连接。
  8. 如权利要求6所述的一种梯子，其特征是，两梯腿的长度大于另两梯腿的长度，还包括一塑料桥接件和采用管材折弯形成的加强撑，所述塑料桥接件两端分别连接长度相对长的两梯腿的末端，加强撑两端折弯形成安装部，加强撑设置在两梯腿内侧，两安装部分别与两梯腿内侧固定连接。
  9. 如权利要求1或2所述的一种梯子，其特征是，所述塑料踏的正面设有用于镶金属件的槽体。
  10. 如权利要求1或2所述的一种梯子，其特征是，所述塑料踏包括一平板状的主体，沿主体的外边缘设有与主体固定连接的围边，围边内设有呈经纬交错设置的筋条。
  11. 如权利要求1所述的一种梯子，其特征是，所述梯架包括两梯腿，两梯腿之间设有横档；还包括一安装件，所述安装件包括两安装部，两安装部之间设有凸体，两安装部与凸体固定相连，所述横档两端设有可供安装件的凸体嵌入的空腔，安装后，所述安装件的凸体嵌入横档，安装件的安装部与梯腿相连。
  12. 如权利要求11所述的一种梯子，其特征是，所述安装件为一体机构的金属材料，安装件采用金属板材折弯形成n形的凸体，n形的凸体两侧向外侧折弯形成安装部。
  13. 如权利要求12所述的一种梯子，其特征是，n形的凸体的侧壁与横档采用紧固件固定。
  14. 如权利要求13所述的一种梯子，其特征是，横档的上方面设有第一安装孔，靠近第一安装孔的凸体的侧壁设有第二安装孔，紧固件设置在第一安装孔和第二安装孔将横档与凸体固定。
  15. 如权利要求1所述的一种梯子，其特征是，梯腿上靠近横档的一侧设有孔位，孔位内设有与梯腿固定相连的螺母，安装部设有第三安装孔，螺丝穿过第三安装孔与螺母紧固将横档与梯腿固定相连。
PCT/CN2019/094846 2018-07-16 2019-07-05 一种梯子 Ceased WO2020015543A1 (zh)

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