WO2021077457A1 - 一体折叠脚架 - Google Patents

一体折叠脚架 Download PDF

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Publication number
WO2021077457A1
WO2021077457A1 PCT/CN2019/114850 CN2019114850W WO2021077457A1 WO 2021077457 A1 WO2021077457 A1 WO 2021077457A1 CN 2019114850 W CN2019114850 W CN 2019114850W WO 2021077457 A1 WO2021077457 A1 WO 2021077457A1
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WO
WIPO (PCT)
Prior art keywords
base
rod
foot
fixing
locking member
Prior art date
Application number
PCT/CN2019/114850
Other languages
English (en)
French (fr)
Inventor
王黎
汪辉
辛华君
Original Assignee
浙江华丰电动工具有限公司
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.)
Filing date
Publication date
Application filed by 浙江华丰电动工具有限公司 filed Critical 浙江华丰电动工具有限公司
Priority to DE212019000510.1U priority Critical patent/DE212019000510U1/de
Priority to US17/640,837 priority patent/US11607050B2/en
Priority to GB2203089.4A priority patent/GB2601696B/en
Priority to AU2019471046A priority patent/AU2019471046A1/en
Publication of WO2021077457A1 publication Critical patent/WO2021077457A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/242—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by spreading of the legs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/38—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C16/00—Stand-alone rests or supports for feet, legs, arms, back or head
    • A47C16/02—Footstools; Foot-rests; Leg-rests
    • A47C16/025—Footstools; Foot-rests; Leg-rests adjustable, swivelling, rocking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/02—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of table type
    • B25H1/04—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of table type portable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/02—Locking means

Definitions

  • the invention belongs to a bench-top tool support structure, and in particular relates to an integrated folding tripod, which is suitable for bench-top tools.
  • some desktop tools In the woodwork process, in order to provide a stable working environment and an appropriate working height, some desktop tools usually have a foldable and liftable tripod.
  • the existing tripod structure usually has a hinged structure and a positioning structure, and cannot be placed stably after being folded. To this end, the technical staff of this unit improved the structure of the tripod.
  • the present invention mainly aims at the shortcomings that the tripods of the existing desktop tools cannot be stably placed and supported after being folded, and invented an integrated folding tripod, which mainly improves the folding mechanism of the foot poles.
  • the folding method is: manually pressing the locking member to control The relative position of the head of the locking piece and the rotation limit groove realizes the rotation and locking of the foot rod.
  • the folding tripod is folded, the entire desktop tool can still be placed and supported stably, and the folded desktop tool can be placed directly on the work table for operation to provide an appropriate working height and a comfortable working environment; moreover, the folding mechanism Auxiliary feet are also added, which can be matched with the table.
  • the edge of the table and the auxiliary feet form a supporting surface, so that the entire desktop tool can be placed on the side and steadily. Store.
  • a foot rod folding mechanism including a base, a rotating base hinged to the base, and a foot rod connected to the rotating base.
  • the base is composed of a front base. It is symmetrically assembled with the rear base.
  • the front base includes the plate and the flange around the plate.
  • the rear base includes the plate and the flange around the plate.
  • the plates of the front base and the rear base are both provided with Hinge hole or hinge sleeve; the upper part of the rotating seat is inside the base, between the front base and the rear base, the upper end of the rotating seat is provided with a hinge hole, then the front base, the rear base, and the rotating seat pass
  • the shaft rotation hinge is characterized in that the lower part of the front base and the lower part of the rear base are both provided with an arc-shaped rotation limit slot, the two rotation limit slots are aligned horizontally, and the two rotation limit slots of each rotation limit slot are aligned horizontally. Both ends are provided with relatively inclined and outwardly expanded limit ends.
  • a section of hollow telescopic slide is provided on one side of the rotating seat, and the telescopic slide extends obliquely downward from the hinged part of the rotating seat to the middle and lower part of the rotating seat.
  • the lower end of the telescopic slide has a mounting sleeve.
  • An axially penetrating central hole is arranged in the sleeve, the central hole is communicated with the telescopic slideway, and the axial direction of the central hole is consistent with the axial direction of the telescopic slideway.
  • the telescopic slide is provided with a T-shaped locking member, the locking member includes a lateral limit part and a vertical telescopic part, the telescopic part is in the telescopic slide, and the limit part is exposed on the telescopic slide; the locking part Both ends of the limiting portion are respectively embedded in the rotation limiting grooves on the front base and the rear base.
  • the lower end of the telescopic part of the locking member extends to the mounting sleeve, and the lower end of the telescopic part is connected with a button, the outer end of the button is exposed on the mounting sleeve, and the telescopic part of the locking member is also sleeved with a compression spring. Located between the lower end of the telescopic slide and the button.
  • the button Under the action of the compression spring, the button is manually pressed, and the button drives the locking member to telescopically move in the telescopic slide, and control the relative position of the head of the locking member and the rotation limit slot.
  • the head of the locking member When the head of the locking member is in the limit of the rotation limit slot
  • the foot bar When the position is at the end, the foot bar is locked and cannot be rotated; when the locking member is separated from the limit end of the rotation limit slot, the foot bar can be rotated.
  • a relatively convex auxiliary foot is provided at the lower part of the base and on the side close to the mounting sleeve.
  • the auxiliary standing foot extends horizontally relative to the foot pole, and the auxiliary standing foot cooperates with the edge of the table top of the table tool to form a supporting surface, so that the folded table tool can be placed sideways and vertically. After the feet are folded, if the bench tool is placed horizontally, the lower end of the base serves as a support point.
  • the rotation limiting groove is located on the inner side of the front base and the rear base, and the rotating limiting groove is formed by a relatively concave inner surface, and both ends of the T-shaped head of the locking member are correspondingly embedded in the inner concave; or, If the rotation limit slot is set as a hollow, the two ends of the T-shaped head of the locking member are correspondingly embedded in the hollow.
  • the rotation limit slot is arranged in an arc shape with an opening facing upward, and the limit ends at both ends extend downwardly and obliquely.
  • the locking member is located below the rotation limit slot.
  • the lower part of the rotating seat is a hollow coupling sleeve, and the coupling sleeve is exposed on the base, and the upper end of the foot rod is inserted into the coupling sleeve; or, the lower part of the rotating seat is a cylindrical coupling piece, and the coupling piece is exposed outside In the base, the upper end of the foot rod is hollow and the ring sleeve is connected to the connecting piece.
  • An integrated folding tripod includes a table top support seat for supporting the table top.
  • the bottom of the table top support seat has four corners and bends, and is characterized in that each corner and bend is connected with the above-mentioned foot rod folding mechanism.
  • the countertop support seat includes a front support seat and a rear support seat that are parallel; the front support seat is arranged as a frame with three sides surrounding an opening on one side and the opening faces upward, and the front support seat includes a first crossbar in the middle. , A second rod connected to one end of the first crossbar and extending upward, a third rod connected to the other end of the first crossbar and extending upward, the connection between the first crossbar and the second rod forms a bend A bent corner is formed at the junction of the first cross bar and the third rod; the structure of the rear support seat is the same as that of the front support seat.
  • Desktop tools generally have four corners, and the angle of the corners is usually a right angle, or an acute angle slightly smaller than the right angle, or an obtuse angle slightly larger than the right angle.
  • the upper end of the front base has a first fixing portion extending upwards and a second fixing portion that extends obliquely upwards or obliquely downwards.
  • the upper end of the rear base has a first fixing portion extending upwards. Portion and a second fixing portion extending obliquely upward or obliquely downward; the first fixing portion and the second fixing portion are angled apart; the first fixing portion is correspondingly connected to the second rod or the second rod of the front support seat
  • the third rod, the second fixed part is correspondingly connected to the first crossbar of the front support seat, and the bent part of the front support seat is clamped and covered between the upper part of the front base and the rear base between.
  • the first fixing portion includes an upwardly extending plate and a folding edge around the plate, wherein the plate is provided with a fixing hole or a horizontally convex fixing post, and the uppermost folding edge has a concave notch.
  • the second rod or the third rod passes through the gap;
  • the second fixing part includes a plate extending obliquely downward and a peripheral flange, wherein the plate is fixed A hole or a horizontally convex fixed post, the edge of the end has a concave notch.
  • the first crossbar passes through the notch; at the same time, the lower end of the second rod
  • a fixing hole is correspondingly provided at a position close to the bending part
  • a fixing hole is correspondingly provided at the lower end of the third rod member and a position close to the bending part
  • both ends of the first cross bar and a position close to the bending part correspond to A fixing hole is provided.
  • the auxiliary foot on the base is located on the side facing away from the second rod member or the third rod member. Place the folded desktop tool sideways and vertically, and the auxiliary foot and the edge of the table surface together form a stable support.
  • the present invention has the following advantages:
  • the present invention improves the folding mechanism of the tripod.
  • the specific folding method is: manually pressing the locking member to control the relative position of the head of the locking member and the rotation limit slot to realize the rotation and locking of the foot bar; the foot bar of the present invention It can still be placed and supported stably after folding: the folded desktop tool can be directly placed on the work table for operation to provide an appropriate working height and a comfortable working environment; because the folding mechanism of the present invention also adds auxiliary feet, The auxiliary stand can be matched with the table. When the work is completed, the folded desktop tool is placed on the side. At this time, the edge of the table and the auxiliary stand form a supporting surface, so that the entire desktop tool can be placed on the side and steadily placed on the side for easy storage.
  • Figure 1 is a schematic diagram of the use state of the present invention
  • Figure 2 is a schematic diagram of the folded state of the present invention
  • Figure 3 is a schematic diagram of the lateral support of the present invention.
  • Figure 4 is an exploded view of the present invention
  • Figure 5 is a partial exploded view of the present invention.
  • Figure 6 is a schematic diagram of the foot rod folding mechanism of the present invention (folded state);
  • Figure 7 is a side sectional view of the foot rod folding mechanism of the present invention.
  • Figure 8 is a schematic diagram of the cooperation between the locking member and the rotation limit slot of the present invention (rotation state);
  • Fig. 9 is a schematic diagram of the cooperation between the locking member and the rotation limit groove of the present invention (locked state).
  • the labels in the figure are: 1. base; 11, front base; 12, rear base; 13, first fixing part; 14, second fixing part; 15, fixing post; 16, notch; 17, fixing hole; 2.
  • the integrated folding tripod is used for desktop tools to support the table top.
  • the table top is supported by the table top support seat 7 located below it.
  • the table top support seat 7 is composed of a parallel front support seat 70 and a rear support seat 74.
  • the front support seat 74 is formed by bending a hollow round tube, and is U-shaped with an opening facing upward; the middle of the front support seat 74 is a horizontal first crossbar 71, and one end of the first crossbar 71 is a relatively vertical first crossbar 71
  • Two rods 72, the other end of the first cross rod 71 is a relatively vertical third rod 73, that is, the transition part between the first cross rod 71 and the second rod 72 is bent and rounded at right angles, the first The transition part between the cross bar 71 and the third bar 73 is bent at a right angle and has rounded corners.
  • a fixing hole 17 is correspondingly provided at the lower end of the second rod 71 and near the bending part, and a fixing hole 17 is correspondingly provided at the lower end of the third rod 73 and near the bending part.
  • a fixing hole 17 is correspondingly provided at both ends of a cross bar 71 and a position close to the bending part.
  • the structure of the rear support seat 8 is the same as that of the front support seat 7.
  • the bottom of the table support seat 7 has four right-angled bending parts, and a foot rod folding mechanism is fixed at each right-angled bending part.
  • the foot rod folding mechanism includes a base 1, a rotating base 2 hinged to the base 1, and a foot rod 3 connected to the rotating base 2.
  • the base 1 is composed of a front base 11 and a rear base 12 symmetrically joined together, and the front base 11 and the rear base 12 are relatively clamped on the bending part of the table support seat 7.
  • the upper end of the front base 11 has a first fixing portion 13 that extends upward and a second fixing portion 14 that extends obliquely downward.
  • the upper end of the rear base 12 has a first fixing portion that extends upward.
  • Part 13 and a second fixing part 14 extending obliquely downward; the first fixing part 13 and the second fixing part 14 are bifurcated at an obtuse angle.
  • the first fixing portion 13 of the front base 11 includes an upwardly extending plate and a folded edge around the plate, wherein the plate has a horizontally convex fixing post 15 and the uppermost folded edge has a concave arc shape.
  • the second fixing portion 14 of the front base 11 includes a plate extending obliquely downwards and a peripheral flange, wherein the plate has a horizontal raised fixing column 15, and the flange at the end has an inner Concave arc-shaped gap 16.
  • the first fixing portion 13 of the rear base 12 includes an upwardly extending plate and a flange around the plate, wherein the plate has a fixing hole 17 and the uppermost flange has a concave arc-shaped notch 16;
  • the second fixing portion 14 of the base 12 described later includes a plate extending obliquely downward and a peripheral flange, wherein the plate has a fixing hole 17 and the flange at the end has a concave arc-shaped notch 16.
  • the front base 11 and the rear base 12 are symmetrically joined to clamp the bent portion of the table support 7 in the middle, wherein the first fixing portion 13 is correspondingly connected to the second rod 72 or the third rod 73,
  • the second fixing part 14 is correspondingly connected to the first crossbar 71; and the fixing post 15 of the first fixing part 13 and the fixing post 15 of the second fixing part 14 of the front base 11 pass through the second rod 72 and the third rod respectively.
  • the fixing hole 17 of the rod 73 and the fixing post 15 of the front base 11 are connected to the corresponding fixing hole 17 on the rear base 12.
  • the middle of the plate of the front base 11 has a horizontally convex hollow cylindrical connecting column, and at the same time, the middle of the plate of the rear base 12 has an annular sleeve, and the connecting column is inserted into the annular sleeve during assembly;
  • Both the lower part of the front base 11 and the lower part of the rear base 12 are provided with an arc-shaped rotation limit slot 5 with an upward opening.
  • the two rotation limit slots 5 are aligned horizontally, and the two rotation limit slots 5 are respectively.
  • Located on the inner side of the front base 11 and the rear base 12, and the rotation limit groove 5 is formed by the inner surface relatively concavely, and the two ends of each rotation limit groove 5 are provided with relatively inclined and expanded limit ends 51.
  • the limit ends 51 at both ends are relatively inclined and extend downward.
  • a rotating base 2 is hinged between the lower part of the front base 11 and the rear base 12.
  • the upper part of the rotating base 2 is inside the base 1, between the front base 11 and the rear base 12.
  • the upper end of the rotating base 2 is provided with
  • the hinge hole is connected to the shaft 4 in a ring sleeve, and the front base 11, the rear base 12, and the rotating base 2 are rotationally hinged through the shaft 4.
  • the lower part of the rotating seat 2 is a hollow coupling sleeve 26, the coupling sleeve 26 is exposed on the base 1, and the upper end of the foot rod 3 is inserted into the coupling sleeve 26.
  • the upper side of the rotating base 2 has a section of hollow telescopic slide 21, which extends obliquely downward from the hinged part of the rotating base 2 to the middle and lower part of the rotating base 2.
  • the lower end of the telescopic slide 21 has A cylindrical hollow mounting sleeve 22 has an axially penetrating central hole in the mounting sleeve 22, the central hole communicates with the telescopic slide 21, and the axial direction of the central hole is consistent with the axial direction of the telescopic slide 21.
  • the telescopic slide 21 is provided with a T-shaped locking member 23.
  • the locking member 23 includes a transverse limit part and a vertical telescopic part.
  • the telescopic part is in the telescopic slide 21, and the limit part is exposed outside the telescopic slide.
  • Road 21; the two ends of the limiting portion of the locking member 23 are respectively embedded in the rotation limiting groove 5 on the front base 11 and the rear base 12 respectively.
  • the lower end of the telescopic portion of the locking member 23 extends to the mounting sleeve 22, and the lower end of the telescopic portion is connected to a button 24, the outer end of the button 24 is exposed on the mounting sleeve 22, and the telescopic portion of the locking member 23 is also looped A section of a compression spring 25, the compression spring 25 is located between the lower end of the telescopic slide 21 and the button 24, pressing the button 24 will drive the locking member 23 to telescope and translate as a whole.
  • the lower part of the base 1 and the side facing away from the second rod 72 or the third rod 73 is fixedly connected with an auxiliary foot 6.
  • the auxiliary foot 6 is relatively laterally convex and can cooperate with the edge of the table to form a supporting surface .
  • the lower end of the base 1 has a raised foot pad.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)
  • Passenger Equipment (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Abstract

一体折叠脚架，包括台面支撑座（7），其底部具有四个折角弯折部，在每一折角弯折部连接脚杆折叠机构，脚杆折叠机构包括基座（1）、旋转座（2）、脚杆（3），基座（1）由前基座（11）和后基座（12）对称拼合构成，前基座（11）和后基座（12）的下部均设置有旋转限位槽（5），旋转限位槽（5）的两个端部均设置有限位端（51）；旋转座（2）的一侧设置有伸缩滑道（21），伸缩滑道（21）内设置有T型的锁定件（23），锁定件（23）的限位部的两端分别对应嵌入旋转限位槽（5）内，锁定件（23）的伸缩部上环套一段压簧（25）。通过对脚杆折叠机构进行改进，可将折叠后的台式工具整体直接放置在工作桌面上进行作业；脚杆折叠机构增设了辅助立脚（6），辅助立脚（6）能够与台面配合形成支撑面，使台式工具整体可侧面着地平稳放置，便于存放。

Description

一体折叠脚架 技术领域
本发明属于台式工具支架结构，具体涉及一种一体折叠脚架，适用于台式工具。
背景技术
木工作业过程中，为了提供平稳的作业环境和适当的作业高度，一些台式工具通常都具备可折叠、可升降的脚架。现有的脚架结构，通常为铰接结构配合定位结构，而折叠后无法平稳放置。为此，本单位技术人员对脚架结构进行改进。
发明内容
本发明主要针对现有台式工具的脚架折叠后不能平稳放置和支撑的缺点，发明了一种一体折叠脚架，主要对脚杆的折叠机构进行改进，折叠方式是：手动按压锁定件来控制锁定件的头部与旋转限位槽的相对位置，实现对脚杆的旋转和锁定。当折叠脚架折叠后，整个台式工具依然能够稳定放置和支撑，可将折叠后的台式工具整体直接放置在工作桌面上进行作业，以提供适当的作业高度和舒适的作业环境；而且，折叠机构还增设了辅助立脚，辅助立脚能够与台面配合，当作业完毕后，将折叠后的台式工具侧放，此时的台面边缘和辅助立脚形成支撑面，使台式工具整体可侧面着地平稳放置，便于存放。
本发明的上述技术问题是通过以下技术方案得以实施的：一种脚杆折叠机构，包括基座、与基座铰接的旋转座、连接于旋转座的脚杆，所述基座由前基座和后基座对称拼合构成，前基座包括板件和板件周边的折边，后基座包括板件和板件周边的折边，前基座和后基座的板件上均设置有铰接孔或铰接轴套；所述旋转座的上部处于基座内部、位于前基座和后基座之间，旋转座的上端设置有铰接孔，则前基座、后基座、旋转座通过轴旋转铰接，其特征在于，所述前基座的下部、后基座的下部均设置有一道弧形的旋转限位槽，两道旋转限位槽水平对齐，每一旋转限位槽的两个端部均设置有相对倾斜外扩的限位端。
所述旋转座的一侧设置有一段镂空的伸缩滑道，该伸缩滑道从旋转座的铰接 部位倾斜向下延伸至旋转座的中下部，该伸缩滑道的下端具有一安装套，该安装套内设置有轴向贯通的中心孔，该中心孔与伸缩滑道连通，且中心孔的轴向与伸缩滑道的轴向一致。
所述伸缩滑道内设置有T型的锁定件，锁定件包括横向的限位部和竖向的伸缩部，则伸缩部处于伸缩滑道内，而限位部外露于伸缩滑道；所述锁定件的限位部的两端分别对应嵌入所述前基座和后基座上的旋转限位槽内。
所述锁定件的伸缩部的下端延伸至所述的安装套，且伸缩部的下端连接一按钮，按钮的外端外露于安装套，锁定件的伸缩部上还环套一段压簧，压簧处于伸缩滑道的下端和按钮之间。
在压簧的作用下，手动按压按钮，按钮带动锁定件在伸缩滑道内伸缩移动，控制锁定件的头部与旋转限位槽的相对位置，当锁定件的头部处于旋转限位槽的限位端时，脚杆被锁定，不能旋转；当锁定件脱离旋转限位槽的限位端后，脚杆可旋转。
作为优选，所述基座的下部且靠近所述安装套的一侧设置有相对外凸的辅助立脚。辅助立脚相对于脚杆呈横向延伸，辅助立脚与台式工具的台面边缘配合形成一个支撑面，使折叠后的台式工具可以侧向竖直平稳的放置。脚杆折叠后，若台式工具是水平放置，那么基座的下端作为支撑点。
作为优选，所述旋转限位槽位于前基座和后基座的内侧，且旋转限位槽由内表面相对内凹形成，则锁定件的T型头部两端对应嵌入内凹部；或者，所述旋转限位槽设置为镂空，则锁定件的T型头部两端对应嵌入镂空部。
作为优选，所述旋转限位槽设置为开口朝上的弧形，两端的限位端倾斜向下延伸。锁定件位于旋转限位槽的下方，当锁定件的T型头部处于限位端内时，由于受到压簧的作用，锁定件被向下拉；若要使锁定件脱离限位端，必须有相对向上的外力作用来对抗压簧。
作为优选，所述旋转座的下部为中空的联结套，联结套外露于基座，所述脚杆的上端插入联结套；或者，所述旋转座的下部为柱状的联结件，联结件外露于 基座，所述脚杆的上端中空且环套连接于联结件。
一种一体折叠脚架，包括支撑台面的台面支撑座，台面支撑座的底部具有四个折角弯折部，其特征在于，在每一折角弯折部连接上述的脚杆折叠机构。
作为优选，所述台面支撑座包括平行的前支撑座和后支撑座；所述前支撑座设置为三边围绕一边开口的框体且开口朝上，前支撑座包括位于中间的第一横杆、连接于第一横杆的一端且向上延伸的第二杆件、连接于第一横杆的另一端且向上延伸的第三杆件，第一横杆与第二杆件的连接处形成弯曲的折角部，第一横杆与第三杆件的连接处形成弯曲的折角部；所述后支撑座与前支撑座的结构相同。台式工具一般具有四个折角部，折角部的角度通常为直角，或者比直角稍微小一定角度的锐角，或者比直角稍微大一定角度的钝角。
作为优选，所述前基座的上端具有向上延伸的第一固定部和倾斜向上延伸或者倾斜向下延伸的第二固定部，对称的，所述后基座的上端具有向上延伸的第一固定部和倾斜向上延伸或者倾斜向下延伸的第二固定部；第一固定部和第二固定部呈角度叉开；所述第一固定部对应连接于所述前支撑座的第二杆件或第三杆件，第二固定部对应连接于所述前支撑座的第一横杆，而所述前支撑座的弯折部被夹持并包覆在前基座和后基座的上部之间。
作为优选，所述第一固定部包括向上延伸的板件和板件周边的折边，其中，板件上设置固定孔或者水平凸起的固定柱，最上端的折边具有内凹的缺口，前基座和后基座对称拼合后，第二杆件或者第三杆件穿过缺口；所述第二固定部包括倾斜向下延伸的板件和周边的折边，其中，板件上设置固定孔或者水平凸起的固定柱，端部的折边具有内凹的缺口，前基座和后基座对称拼合后，第一横杆穿过缺口；同时，所述第二杆件的下端且靠近弯折部的位置对应设置有固定孔，所述第三杆件的下端且靠近弯折部的位置对应设置有固定孔，所述第一横杆的两端且靠近弯折部的位置对应设置有固定孔。装配时，板件上的固定柱穿过杆件上的固定孔，又连接至与其对应的板件上的固定孔。
作为优选，所述基座上的辅助立脚位于背对第二杆件或背对第三杆件的一侧。 将折叠后的台式工具侧向竖直放置，辅助立脚和台面的边缘共同形成稳定支撑。
综上所述，本发明与现有技术相比具有如下优点：
本发明对脚架的折叠机构进行改进，具体折叠方式是：手动按压锁定件来控制锁定件的头部与旋转限位槽的相对位置，实现对脚杆的旋转和锁定；本发明的脚杆折叠后依然能够稳定放置和支撑：可将折叠后的台式工具整体直接放置在工作桌面上进行作业，以提供适当的作业高度和舒适的作业环境；由于本发明的折叠机构还增设了辅助立脚，辅助立脚能够与台面配合，当作业完毕后，将折叠后的台式工具侧放，此时的台面边缘和辅助立脚形成支撑面，使台式工具整体可侧面着地平稳放置，便于存放。
附图说明
图1是本发明的使用状态示意图；
图2是本发明的折叠状态示意图；
图3是本发明的侧立支撑示意图；
图4是本发明的爆炸图；
图5是本发明的局部爆炸图；
图6是本发明的脚杆折叠机构示意图(折叠状态)；
图7是本发明的脚杆折叠机构的侧剖图；
图8是本发明的锁定件和旋转限位槽的配合示意图(旋转状态)；
图9是本发明的锁定件和旋转限位槽的配合示意图(锁定状态)。
图中标号为：1、基座；11、前基座；12、后基座；13、第一固定部；14、第二固定部；15、固定柱；16、缺口；17、固定孔；2、旋转座；21、伸缩滑道；22、安装套；23、锁定件；24、按钮；25、压簧；26、联结套；3、脚杆；4、轴；5、旋转限位槽；51、限位端；6、辅助立脚；7、台面支撑座；70、前支撑座；71、第一横杆、72、第二杆件；73、第三杆件；74、后支撑座。
具体实施方式
下面结合附图和实施例对本发明进一步说明。
实施例1：
如图1-9所示，一体折叠脚架，应用于台式工具以支撑台面，台面由位于其下方的台面支撑座7支撑，台面支撑座7由平行的前支撑座70和后支撑座74构成，前支撑座74由空心圆管件弯折而成，呈开口朝上的U型；前支撑座74的中部是水平的第一横杆71，第一横杆71的一端是相对垂直向上的第二杆件72，第一横杆71的另一端是相对垂直向上的第三杆件73，即第一横杆71与第二杆件72的过渡部位呈直角弯折且倒圆角，第一横杆71与第三杆件73的过渡部位呈直角弯折且倒圆角。
所述第二杆件71的下端且靠近弯折部的位置对应设置一个固定孔17，所述第三杆件73的下端且靠近弯折部的位置对应设置有一个固定孔17，所述第一横杆71的两端且靠近弯折部的位置对应设置一个固定孔17。
所述后支撑座8与前支撑座7的结构相同。台面支撑座7的底部具有四个直角弯折部，在每一个直角弯折部固定一个脚杆折叠机构。
所述脚杆折叠机构，包括基座1、与基座1铰接的旋转座2、连接于旋转座2的脚杆3。所述基座1由前基座11和后基座12对称拼合构成，前基座11和后基座12相对夹持在台面支撑座7的弯折部。
具体的，所述前基座11的上端具有向上延伸的第一固定部13和倾斜向下延伸的第二固定部14，对称的，所述后基座12的上端具有向上延伸的第一固定部13和倾斜向下延伸的第二固定部14；第一固定部13和第二固定部14呈钝角度叉开。
所述前基座11的第一固定部13包括向上延伸的板件和板件周边的折边，其中，板件上具有水平凸起的固定柱15，最上端的折边具有内凹的弧形缺口16；所述前基座11的第二固定部14包括倾斜向下延伸的板件和周边的折边，其中，板件上具有水平凸起的固定柱15，端部的折边具有内凹的弧形缺口16。
所述后基座12的第一固定部13包括向上延伸的板件和板件周边的折边，其中，板件上具有固定孔17，最上端的折边具有内凹的弧形缺口16；所述后基座 12的第二固定部14包括倾斜向下延伸的板件和周边的折边，其中，板件上具有固定孔17，端部的折边具有内凹的弧形缺口16。
装配时，前基座11和后基座12对称拼合将台面支撑座7的弯折部夹持在中间，其中，第一固定部13对应连接于第二杆件72或第三杆件73，第二固定部14对应连接于第一横杆71；而前基座11的第一固定部13的固定柱15、第二固定部14的固定柱15对应穿过第二杆件72、第三杆件73的固定孔17，并且，前基座11的固定柱15连接至后基座12上的对应的固定孔17。
所述前基座11的板件中部具有水平凸起的中空圆柱状的连接柱，同时，在后基座12的板件中部具有圆环套，装配时，连接柱与圆环套插接；在前基座11和后基座12的板件下部具有带孔的铰接轴套，有一轴4连接于铰接轴套，该轴4作为旋转铰接中心。
在前基座11的下部、后基座12的下部均设置有一道开口朝上的圆弧形的旋转限位槽5，两道旋转限位槽5水平对齐，两道旋转限位槽5分别位于前基座11和后基座12的内侧，且旋转限位槽5由内表面相对内凹形成，每一旋转限位槽5的两个端部均设置有相对倾斜外扩的限位端51，两端的限位端51相对倾斜向下延伸。
在前基座11和后基座12的下部之间铰接旋转座2，旋转座2的上部处于基座1内部、位于前基座11和后基座12之间，旋转座2的上端设置有铰接孔并环套连接于所述的轴4，则前基座11、后基座12、旋转座2通过轴4旋转铰接。
所述旋转座2的下部为中空的联结套26，联结套26外露于基座1，脚杆3的上端插入联结套26。
所述旋转座2的上部一侧具有一段镂空的伸缩滑道21，该伸缩滑道21从旋转座2的铰接部位倾斜向下延伸至旋转座2的中下部，该伸缩滑道21的下端具有一圆柱状中空的安装套22，该安装套22内具有轴向贯通的中心孔，该中心孔与伸缩滑道21连通，且中心孔的轴向与伸缩滑道21的轴向一致。
所述伸缩滑道21内设置有T型的锁定件23，锁定件23包括横向的限位部 和竖向的伸缩部，则伸缩部处于伸缩滑道21内，而限位部外露于伸缩滑道21；所述锁定件23的限位部的两端分别对应嵌入所述前基座11和后基座12上的旋转限位槽5内。
所述锁定件23的伸缩部的下端延伸至所述的安装套22，且伸缩部的下端连接一按钮24，按钮24的外端外露于安装套22，锁定件23的伸缩部上还环套一段压簧25，该压簧25处于伸缩滑道21的下端和按钮24之间，按压按钮24则带动锁定件23整体伸缩平移。
所述基座1的下部且背对第二杆件72或背对第三杆件73的一侧固定连接一辅助立脚6，辅助立脚6相对横向外凸，可以与台面边缘配合形成一个支撑面。
所述基座1的下端具有凸起的脚垫。
文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明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，但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。

Claims (10)

  1. 一种脚杆折叠机构，包括基座(1)、与基座铰接的旋转座(2)、连接于旋转座的脚杆(3)，所述基座由前基座(11)和后基座(12)对称拼合构成，前基座包括板件和板件周边的折边，后基座包括板件和板件周边的折边，前基座和后基座的板件上均设置有铰接孔或铰接轴套；所述旋转座的上部处于基座内部、位于前基座和后基座之间，旋转座的上端设置有铰接孔，则前基座、后基座、旋转座通过轴(4)旋转铰接，其特征在于，所述前基座的下部、后基座的下部均设置有一道弧形的旋转限位槽(5)，两道旋转限位槽水平对齐，每一旋转限位槽的两个端部均设置有相对倾斜外扩的限位端(51)；
    所述旋转座的一侧设置有一段镂空的伸缩滑道(21)，该伸缩滑道从旋转座的铰接部位倾斜向下延伸至旋转座的中下部，该伸缩滑道的下端具有一安装套(22)，该安装套内设置有轴向贯通的中心孔，该中心孔与伸缩滑道连通，且中心孔的轴向与伸缩滑道的轴向一致；所述伸缩滑道内设置有T型的锁定件(23)，锁定件包括横向的限位部和竖向的伸缩部，则伸缩部处于伸缩滑道内，而限位部外露于伸缩滑道；所述锁定件的限位部的两端分别对应嵌入所述前基座和后基座上的旋转限位槽内；
    所述锁定件的伸缩部的下端延伸至所述的安装套，且伸缩部的下端连接一按钮(24)，按钮的外端外露于安装套，锁定件的伸缩部上还环套一段压簧(25)，压簧处于伸缩滑道的下端和按钮之间。
  2. 根据权利要求1所述的一体折叠脚架，其特征在于，所述基座的下部且靠近所述安装套的一侧设置有相对外凸的辅助立脚(6)。
  3. 根据权利要求1所述的一体折叠脚架，其特征在于，所述旋转限位槽位于前基座和后基座的内侧，且旋转限位槽由内表面相对内凹形成；或者，所述旋转限位槽设置为镂空。
  4. 根据权利要求3所述的一体折叠脚架，其特征在于，所述旋转限位槽设置为开口朝上的弧形，两端的限位端倾斜向下延伸。
  5. 根据权利要求4所述的一体折叠脚架，其特征在于，所述旋转座的下部为中 空的联结套(26)，联结套外露于基座，所述脚杆的上端插入联结套；或者，所述旋转座的下部为柱状的联结件，联结件外露于基座，所述脚杆的上端中空且环套连接于联结件。
  6. 一种一体折叠脚架，包括支撑台面的台面支撑座(7)，台面支撑座的的底部具有四个折角弯折部，其特征在于，在每一折角弯折部连接如权利要求1-5所述的脚杆折叠机构。
  7. 根据权利要求6所述的一体折叠脚架，其特征在于，所述台面支撑座包括平行的前支撑座(70)和后支撑座(74)；所述前支撑座设置为三边围绕一边开口的框体且开口朝上，前支撑座包括位于中间的第一横杆(71)、连接于第一横杆的一端且向上延伸的第二杆件(72)、连接于第一横杆的另一端且向上延伸的第三杆件(73)，第一横杆与第二杆件的连接处形成弯曲的折角部，第一横杆与第三杆件的连接处形成弯曲的折角部；所述后支撑座与前支撑座的结构相同。
  8. 根据权利要求7所述的一体折叠脚架，其特征在于，所述前基座的上端具有向上延伸的第一固定部(13)和倾斜向上延伸或者倾斜向下延伸的第二固定部(14)，对称的，所述后基座的上端具有向上延伸的第一固定部和倾斜向上延伸或者倾斜向下延伸的第二固定部；第一固定部和第二固定部呈角度叉开；
    所述第一固定部对应连接于所述前支撑座的第二杆件或第三杆件，第二固定部对应连接于所述前支撑座的第一横杆，而所述前支撑座的弯折部被夹持在前基座和后基座的上部之间。
  9. 根据权利要求8所述的一体折叠脚架，其特征在于，所述第一固定部包括向上延伸的板件和板件周边的折边，其中，板件上设置固定孔或者水平凸起的固定柱(15)，最上端的折边具有内凹的缺口(16)；所述第二固定部包括倾斜向下延伸的板件和周边的折边，其中，板件上设置固定孔或者水平凸起的固定柱，端部的折边具有内凹的缺口；同时，所述第二杆件的下端且靠近弯折部的位置对应设置有固定孔(17)，所述第三杆件的下端且靠近弯折部的位 置对应设置有固定孔，所述第一横杆的两端且靠近弯折部的位置对应设置有固定孔。
  10. 根据权利要求6所述的一体折叠脚架，其特征在于，所述基座上的辅助立脚位于背对第二杆件或背对第三杆件的一侧。
PCT/CN2019/114850 2019-10-22 2019-10-31 一体折叠脚架 WO2021077457A1 (zh)

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DE212019000510.1U DE212019000510U1 (de) 2019-10-22 2019-10-31 Integral faltbares Fußgestell und Fußstangen-Faltmechanismus
US17/640,837 US11607050B2 (en) 2019-10-22 2019-10-31 Integrated folding foot rest and leg folding mechanism thereof
GB2203089.4A GB2601696B (en) 2019-10-22 2019-10-31 Integrated folding foot rest
AU2019471046A AU2019471046A1 (en) 2019-10-22 2019-10-31 Integrated Folding Foot Stand and Leg Folding Mechanism Thereof

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CN201911006535.9A CN110762363B (zh) 2019-10-22 2019-10-22 一体折叠脚架

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DE212019000510U1 (de) 2022-02-09
CN110762363A (zh) 2020-02-07
CN110762363B (zh) 2024-08-13
US20220338638A1 (en) 2022-10-27
AU2019471046A1 (en) 2022-03-24
GB2601696B (en) 2023-09-13
GB2601696A (en) 2022-06-08
US11607050B2 (en) 2023-03-21
GB202203089D0 (en) 2022-04-20

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