WO2021088541A1 - 一种桌腿长度调节装置 - Google Patents

一种桌腿长度调节装置 Download PDF

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Publication number
WO2021088541A1
WO2021088541A1 PCT/CN2020/116655 CN2020116655W WO2021088541A1 WO 2021088541 A1 WO2021088541 A1 WO 2021088541A1 CN 2020116655 W CN2020116655 W CN 2020116655W WO 2021088541 A1 WO2021088541 A1 WO 2021088541A1
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Prior art keywords
hole
screw
lever
pin
threaded
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PCT/CN2020/116655
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English (en)
French (fr)
Inventor
陈宏圣
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泰山学院
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Publication of WO2021088541A1 publication Critical patent/WO2021088541A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00—Details of tables or desks
    • A47B13/02—Underframes
    • A47B13/06—Underframes of metal
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B91/00—Feet for furniture in general
    • A47B91/02—Adjustable feet
    • A47B91/022—Adjustable feet using screw means
    • A47B91/026—Foot attached to a rotating nut supported on an external thread
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0035—Tables or desks with features relating to adjustability or folding
    • A47B2200/005—Leg adjustment
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2220/00—General furniture construction, e.g. fittings
    • A47B2220/0027—Feet
    • A47B2220/003—Height-adjustable feet or gliders for tables or desks

Definitions

  • the invention relates to a table leg, in particular to a device for steplessly adjusting the length of the table leg within a certain range.
  • the table is generally designed with four legs. When the table is placed, one leg is often suspended, causing the table to shake or uneven. There are many ways to adjust, some put a wedge at the bottom of the table, and some on the table leg A screw is set at the bottom of the, these two methods require people to squat down very low, which is very inconvenient to operate. It is also easy to scratch the ground when setting screws at the bottom of the table legs for adjustment.
  • the present invention provides an adjusting device capable of adjusting the length of the table leg in view of the above-mentioned defects of the prior art.
  • the leg length adjustment device is mainly composed of straight leg, lever, screw, threaded pin, and rotating pin.
  • a lever is hinged on the bottom end of the straight leg, and the lever is curved upward, and the upper end of the lever is drilled into the threaded pin and used
  • the spring clamp is axially fixed.
  • the straight leg is also drilled and fitted with a rotating pin.
  • the rotating pin is machined with a smooth hole, and the threaded pin is machined with a threaded hole.
  • the screw passes through the smooth hole on the rotating pin, and passes through the spring to match the thread in the threaded pin. .
  • the distance between the upper end of the lever and the straight table leg can be adjusted, so that the lower end of the lever can be adjusted downward or upward, thereby adjusting the length of the table leg.
  • a table leg length adjustment device is composed of straight table legs, screw rods, rotating pins, springs, rivets, levers, threaded pins, spring clamps, etc.
  • the levers and straight table legs are all made of square steel pipes, which are suitable for use in steel Occasions for making table legs.
  • the square hole in the upper middle of the lever is hinged with the lower end of the straight table leg with a rivet, and the hinge is the fulcrum of the lever.
  • the upper end of the lever has a round hole, and a threaded pin is inserted into the round hole.
  • the threaded pin has a stepped shaft structure. The small diameter end of the threaded pin is in clearance fit with the hole above the lever.
  • the threaded pin can rotate in the hole and the threaded pin passes through the upper end hole of the lever.
  • One end of the screw is axially positioned with a spring clamp ring, the large diameter end of the threaded pin has a hole, the axis of the hole is perpendicular to the axis of the threaded pin, and a thread is processed in the hole, and the thread is screwed with the screw.
  • a hole is drilled in the middle of the straight leg, and a rotating pin is inserted into the hole.
  • the rotating pin is matched with the hole.
  • the rotating pin can rotate in the hole.
  • the end of the rotating pin inserted into the straight leg is axially positioned with a spring clamp.
  • the large end of the rotating pin is drilled with a light hole, the axis of the light hole is perpendicular to the axis of the rotating pin, and the light hole is in clearance fit with the screw.
  • the screw is composed of a threaded rod part and a head.
  • the threaded rod part has threads, and the screw is matched with the threaded hole of the threaded pin.
  • the head of the screw is designed with a flange, and the flange is in contact with the end surface of the light hole of the rotating pin to realize the axial positioning of the screw.
  • the screw passes through the light hole on the rotating pin, and passes through the spring to fit with the thread in the threaded pin.
  • the large-diameter end of the rotating pin and the large-diameter end of the threaded pin, and the screw rod installed in them, are arranged on one side of the table leg and the lever.
  • Figure 1 is an axonometric view of the present invention
  • Figure 2 is a main cross-sectional view of the present invention
  • Figure 3 is a top view of the present invention.
  • Figure 4 is a front view of the present invention.
  • Figure 5 is a cross-sectional view of A-A in Figure 2;
  • Fig. 6 is a cross-sectional view of B-B in Fig. 2.
  • 1 is a straight leg
  • 2 is a screw
  • 3 is a rotating pin
  • 4 is a spring
  • 5 is a rivet
  • 6 is a lever
  • 7 is a threaded pin
  • 8 is a spring clamp ring.
  • a table leg length adjustment device consists of straight leg (1), screw (2), rotating pin (3), spring (4), rivet (5), lever (6), threaded pin (7), spring clamp ring (8) and other components.
  • the lever (6) and the straight legs (1) are all made of square steel pipes, which are suitable for steel table legs.
  • the lever (6) is bent in the middle, and a square hole is opened at the lower part of the bending position and the lower end of the straight table leg (1) is hinged with a rivet (5), and the hinge point is the fulcrum of the lever.
  • the upper end of the lever (6) has a round hole, and the threaded pin (7) is inserted into the round hole.
  • the threaded pin has a stepped shaft structure.
  • the small diameter end of the threaded pin (7) and the hole above the lever (6) are in clearance fit.
  • the threaded pin (7) It can be rotated in the hole.
  • One end of the threaded pin (7) passing through the hole is axially positioned with a spring clamp (8), the large diameter end of the threaded pin (7) has a hole, and the axis of the hole is aligned with the threaded pin (7)
  • the axes intersect perpendicularly, a thread is machined in the hole, and the thread is screwed with the thread of the screw (2).
  • the middle of the straight leg (1) is drilled, and the small diameter end of the rotating pin (3) is inserted into the hole.
  • the rotating pin (3) has a stepped shaft structure.
  • the small diameter end of the rotating pin (3) is in clearance fit with the hole, and the rotating pin ( 3) It can be rotated in the hole, and the small diameter end of the rotating pin (3) is inserted into the hole on the straight leg (1) and then axially positioned by the spring clamp (8).
  • the large-diameter end of the rotating pin (3) is drilled with a light hole, the axis of the light hole is perpendicular to the axis of the rotating pin (3), and the light hole is in clearance fit with the screw (2).
  • the screw (2) is composed of a threaded rod part and a head, and the screw is matched with the threaded hole in the threaded pin (7).
  • the head of the screw is designed with a flange, and the flange is in contact with the end surface of the light hole of the rotating pin (3) to realize the axial positioning of the screw (2).
  • the screw (2) passes through the light hole on the rotating pin (3), passes through the spring (4) and is matched with the thread in the threaded pin (7).
  • the large-diameter end of the rotating pin (3) and the large-diameter end of the threaded pin (7) and the screw (2) installed in them are arranged on one side of the straight leg (1) and the lever (6).

Landscapes

  • Legs For Furniture In General (AREA)

Abstract

一种桌腿长度调节装置由直桌腿（1）、螺杆（2）、旋转销钉（3）、弹簧（4）、铆钉（5）、杠杆（6）、螺纹销钉（7）、弹簧卡圈（8）等组成，杠杆（6）和直桌腿（1）都是由方钢管加工而成。杠杆（6）中间上方开方孔与直桌腿（1）下端在此处用铆钉（5）铰接。杠杆（6）的上端开圆孔，圆孔中插入螺纹销钉（7），弹簧卡圈轴向定位，螺纹销钉（7）可在孔中转动，螺纹销钉（7）大端有螺纹孔与螺杆（2）旋合。直桌腿（1）中部钻孔，孔中插入旋转销钉（3），弹簧卡圈（8）轴向定位，旋转销钉（3）可以旋转。旋转销钉（3）的大端钻有光孔与螺杆（2）间隙配合。当旋转螺杆（2）头部时，螺杆（2）和螺纹销钉（7）之间就有相对运动，带动杠杆（6）绕铆钉旋转，直桌腿（1）的竖直长度就会变化，桌子高度即可调整。当地面不平时，可以分别调整四个直桌腿（1）长度，以调平桌子或避免桌子晃动。

Description

一种桌腿长度调节装置 技术领域
本发明涉及一种桌腿，特别是涉及在一定范围无级调节桌子腿长度的装置。
背景技术
目前，桌子一般设计成四条腿，桌子摆放时经常遇到有一条腿悬空的情况，造成桌子晃动或不平，调整的方法有多种，有的在桌子底部垫楔块，有的在桌子腿的底部设置一个螺钉，这两种方法使用起来需要人把身子蹲得很低，操作起来很不方便。在桌子腿底部设置螺钉调整时也容易划伤地面。
发明内容
本发明针对现有技术的上述缺陷提供了一种可调节桌腿长度的调节装置。该桌腿长度调节装置主要由直桌腿、杠杆、螺杆、螺纹销钉、旋转销钉组成，在直桌腿的底端铰接一个杠杆、杠杆呈向上弯曲状，杠杆的上端钻孔装入螺纹销钉并用弹簧卡圈轴向固定。直桌腿上也钻孔并装入一个旋转销钉，旋转销钉中加工有光孔，螺纹销钉上加工有螺纹孔，螺杆穿过旋转销钉上的光孔，穿过弹簧与螺纹销钉中的螺纹配合。旋转螺杆头部时，可调节杠杆上端与直桌腿之间的距离，从而可调节杠杆下端下摆或上摆，从而调节桌腿的长度。当地面不平时，可以通过调整桌腿的长度，避免桌子晃动。
解决其技术问题采取的技术方案是：
一种桌腿长度调节装置由直桌腿、螺杆、旋转销钉、弹簧、铆钉、杠杆、螺纹销钉、弹簧卡圈等组成，杠杆和直桌腿都是由方钢管加工而成，适合用在钢制桌腿的场合。杠杆中间上方开方孔与直桌腿下端用铆钉铰接，铰接处为杠杆的支点。杠杆的上端开圆孔，圆孔中插入螺纹销钉，螺纹销钉为台阶轴结构，螺纹销钉小直径端与杠杆上方的孔为间隙配合，螺纹销钉可以在孔中转动，螺纹销钉穿过杠杆上端孔的一端用弹簧卡圈轴向 定位，螺纹销钉大直径端有孔，孔的轴线与螺纹销钉轴线垂直，孔中加工有螺纹，该螺纹与螺杆旋合。直桌腿中部钻孔，孔中插入旋转销钉，旋转销钉与孔间隙配合，旋转销钉可以在孔中旋转，旋转销钉插入直桌腿的一端用弹簧卡圈轴向定位。旋转销钉的大端钻有光孔，光孔轴线与旋转销钉轴线垂直，光孔与螺杆间隙配合。螺杆是由螺纹杆部分和头部构成，螺纹杆部分有螺纹，螺杆与螺纹销钉的螺纹孔配合。螺杆的头部设计有凸缘，凸缘与旋转销钉光孔端面接触实现螺杆的轴向定位。螺杆穿过旋转销钉上的光孔，穿过弹簧与螺纹销钉中的螺纹配合。
进一步，旋转销钉大直径端和螺纹销钉大直径端及装入它们中的螺杆，布置在桌腿和杠杆的一侧。
当顺时针旋转螺杆头部时，螺纹销钉相对于螺杆轴向移动，压缩弹簧，此时杠杆上端与直桌腿之间的距离减小，杠杆绕铆钉旋转，杠杆的下端，向下旋转，桌腿的垂直长度就会增长。反之，桌腿缩短。当地面不平时，可以通过旋转螺杆头部进一步调整桌腿的长度，避免桌子晃动。
附图说明
图1为本发明的轴测图；
图2为本发明的主剖视图；
图3为本发明的俯视图；
图4为本发明的主视图；
图5为图2中A-A剖视；
图6为图2中B-B剖视。
图中1为直桌腿，2为螺杆，3为旋转销钉，4为弹簧，5为铆钉，6为杠杆，7为螺纹销钉，8为弹簧卡圈。
具体实施方式
一种桌腿长度调节装置由直桌腿(1)、螺杆(2)、旋转销钉(3)、弹簧(4)、铆钉(5)、杠杆(6)、螺纹销钉(7)、弹簧卡圈(8)等组成，杠杆(6)和直桌腿(1)都是由方钢管加工而成，适合用在钢制桌腿的场合。杠杆(6)中间折弯，折弯处偏下方开方孔与直桌腿(1)下端用铆钉(5)铰接，铰接处为杠杆的支点。杠杆(6)的上端开圆孔，圆孔中插入 螺纹销钉(7)，螺纹销钉为台阶轴结构，螺纹销钉(7)的小直径端与杠杆(6)上方的孔为间隙配合，螺纹销钉(7)可以在孔中转动，螺纹销钉(7)穿过孔的一端用弹簧卡圈(8)轴向定位，螺纹销钉(7)大直径端有孔，孔的轴线与螺纹销钉(7)轴线垂直相交，孔中加工有螺纹，该螺纹与螺杆(2)的螺纹旋合。直桌腿(1)中部钻孔，孔中插入旋转销钉(3)的小直径端，旋转销钉(3)为台阶轴结构，旋转销钉(3)的小直径端与孔间隙配合，旋转销钉(3)可以在孔中旋转，旋转销钉(3)的小直径端插入直桌腿(1)上的孔后用弹簧卡圈(8)轴向定位。旋转销钉(3)的大直径端钻有光孔，光孔轴线与旋转销钉(3)轴线垂直相交，光孔与螺杆(2)间隙配合。螺杆(2)是由螺纹杆部分和头部构成，螺杆与螺纹销钉(7)中的螺纹孔配合。螺杆的头部设计有凸缘，凸缘与旋转销钉(3)光孔端面接触实现螺杆(2)的轴向定位。螺杆(2)穿过旋转销钉(3)上的光孔，穿过弹簧(4)与螺纹销钉(7)中的螺纹配合。
进一步，旋转销钉(3)大直径端和螺纹销钉(7)大直径端及装入它们中的螺杆(2)，布置在直桌腿(1)和杠杆(6)的一侧。
当顺时针旋转螺杆(2)头部时，螺纹销钉(7)相对于螺杆(2)轴向移动，压缩弹簧(4)，此时杠杆(6)上端与直桌腿(1)之间的距离减小，杠杆(6)绕铆钉(5)旋转，杠杆(6)的下端，向下旋转，桌腿的竖直长度就会增长。反之，桌腿缩短。当地面不平时，可通过旋转螺杆(2)头部进一步调整桌腿的长度，避免桌子晃动。

Claims (2)

  1. 一种桌腿长度调节装置其特征在于，由直桌腿(1)、螺杆(2)、旋转销钉(3)、弹簧(4)、铆钉(5)、杠杆(6)、螺纹销钉(7)、弹簧卡圈(8)等组成，杠杆(6)和直桌腿(1)都是由方钢管加工而成，适合用在钢制桌腿的场合；杠杆(6)中间折弯，折弯处偏下方开方孔与直桌腿(1)下端用铆钉(5)铰接，铰接处为杠杆的支点；杠杆(6)的上端开圆孔，圆孔中插入螺纹销钉(7)，螺纹销钉为台阶轴结构，螺纹销钉(7)的小直径端与杠杆(6)上方的孔为间隙配合，螺纹销钉(7)可以在孔中转动，螺纹销钉(7)穿过孔的一端用弹簧卡圈(8)轴向定位，螺纹销钉(7)大直径端有孔，孔的轴线与螺纹销钉(7)轴线垂直相交，孔中加工有螺纹，该螺纹与螺杆(2)的螺纹旋合；直桌腿(1)中部钻孔，孔中插入旋转销钉(3)的小直径端，旋转销钉(3)为台阶轴结构，旋转销钉(3)的小直径端与孔间隙配合，旋转销钉(3)可以在孔中旋转，旋转销钉(3)的小直径端插入直桌腿(1)上的孔后用弹簧卡圈(8)轴向定位；旋转销钉(3)的大直径端钻有光孔，光孔轴线与旋转销钉(3)轴线垂直相交，光孔与螺杆(2)间隙配合；螺杆(2)是由螺纹杆部分和头部构成，螺杆与螺纹销钉(7)中的螺纹孔配合；螺杆的头部设计有凸缘，凸缘与旋转销钉(3)光孔端面接触实现螺杆(2)的轴向定位；螺杆(2)穿过旋转销钉(3)上的光孔，穿过弹簧(4)与螺纹销钉(7)中的螺纹配合。
  2. 根据权利要求1所述的一种桌腿长度调节装置，其特征在于，旋转销钉(3)大直径端和螺纹销钉(7)大直径端及装入它们中的螺杆(2)，布置在直桌腿(1)和杠杆(6)的一侧。
PCT/CN2020/116655 2019-11-04 2020-09-22 一种桌腿长度调节装置 WO2021088541A1 (zh)

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CN110742391A (zh) * 2019-11-04 2020-02-04 泰山学院 一种桌腿长度调节装置

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