WO2021082439A1 - 伸缩机的伸缩机构 - Google Patents

伸缩机的伸缩机构 Download PDF

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Publication number
WO2021082439A1
WO2021082439A1 PCT/CN2020/093839 CN2020093839W WO2021082439A1 WO 2021082439 A1 WO2021082439 A1 WO 2021082439A1 CN 2020093839 W CN2020093839 W CN 2020093839W WO 2021082439 A1 WO2021082439 A1 WO 2021082439A1
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WIPO (PCT)
Prior art keywords
telescopic
section
joint
telescopic section
steering
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PCT/CN2020/093839
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English (en)
French (fr)
Inventor
商积童
许兴攀
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苏州双祺自动化设备有限公司
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Publication of WO2021082439A1 publication Critical patent/WO2021082439A1/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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/10—Telescoping systems

Definitions

  • the utility model relates to the technical field of telescopic machines, in particular to a telescopic mechanism of a telescopic machine.
  • the existing telescopic machine When the existing telescopic machine expands and contracts the expansion joints, most of them rely on the moving drive mechanism to synchronize the expansion and contraction of the respective expansion joints, so that the load of the drive mechanism is too large.
  • the existing drive device of the telescopic machine has a movement phenomenon when it is telescopic, so the drive line drag chain must be added, which increases the processing cost of the telescopic machine and is not conducive to the installation of the telescopic machine.
  • the present invention provides a telescopic mechanism of a telescopic machine, which can realize the sequential expansion and contraction of each telescopic section, effectively reduce the processing cost of the telescopic machine, and improve the installation efficiency.
  • the telescopic mechanism of the telescopic machine of the present invention includes a first telescopic section and a second telescopic section, the first telescopic section is located above the second telescopic section, and the A end of the first telescopic section is suspended and can face Move closer to or away from the B end of the second telescopic section, the B end of the first telescopic section is above the second telescopic section, and the telescopic mechanism of the telescopic machine further includes a telescopic mechanism disposed on the second telescopic section.
  • the steering parts are respectively provided at the B end, the transmission device further includes a power transmission part, both ends of the power transmission part are fixed to the connecting column, and in turn are connected with the steering part and the A end of the second telescopic joint.
  • the driving device at the B end of the second telescopic joint is connected to the steering portion.
  • the driving device has a first driving direction and a second driving direction opposite to each other. When it is driven along the first driving direction, the The first telescopic section moves in the direction of its A end.
  • the power transmission part is driven by the driving device. Since the power transmission part is connected to the steering part of the A end of the second expansion joint after being connected with the connecting column of the first expansion joint, the first expansion and contraction energy saving is accompanied by the power transmission.
  • the second telescopic section moves relative to the second telescopic section, thereby realizing the telescopic action effect of the first telescopic section.
  • the telescopic mechanism of the telescopic machine of the present invention only drives one telescopic section at a time, thus effectively reducing the load of the driving device. . Since the driving device is arranged on the second telescopic section, there is no need to provide a driving wire drag chain, which greatly reduces the installation cost.
  • the third telescopic section located between the first telescopic section and the second telescopic section, and the A end of the third telescopic section is suspended in the air and is located below the B end of the first telescopic section,
  • the B end of the third telescopic joint is located above the A end of the second telescopic joint, and the A end of the third telescopic joint is provided with a steering part.
  • the third telescopic joint has two steering parts at the B end
  • the relative distance in the direction perpendicular to the extension direction of the extension mechanism of the telescopic machine is smaller than the relative distance of the two steering portions at the B end of the second telescopic joint in the same direction. Therefore, when the first expansion joint, the third expansion joint, and the second expansion joint are partially stacked sequentially from top to bottom, the power transmission part can be sequentially connected with the steering parts on each expansion joint without interfering with each other.
  • the power transmission part is connected to the connecting column of the first telescopic joint, it is also connected to the steering part of the A end of the third telescopic joint and the edge of the B end of the third telescopic joint close to the third telescopic joint.
  • the set steering part is connected.
  • the power transmission part sequentially passes through the drive device at the B end of the second telescopic joint, the steering part at the B end of the second telescopic joint, the steering part at the B end of the third telescopic joint far away from the edge of the third telescopic joint, and the steering part of the first telescopic joint B
  • the connecting column at the end of the third telescopic joint, the steering part of the A end of the third telescopic joint, the steering part of the B end of the third telescopic joint close to the edge of the third telescopic joint, and the steering part of the A end of the second telescopic joint are connected to the driving device, thereby ,
  • the first telescopic section and the third telescopic section can be pushed out in sequence under the action of the driving device.
  • the connecting column of the first telescopic joint, the steering part of the B end of the second telescopic joint, and the steering part of the B end of the third telescopic joint away from the edge of the third telescopic joint are in the same straight line. on. Therefore, it can be ensured that the driving force for each expansion joint is kept constant.
  • the number of the third telescopic joints is at least two, each of the third telescopic joints is partially overlapped, and the end B of the third telescopic joint on the side close to the first telescopic joint is located It is located above the A end of the third telescopic joint on the side close to the second telescopic joint, and the power transmission part passes through the steering part of the A end and the B end of the third telescopic joint on the upper side in turn.
  • the rear part is sequentially connected to a steering part at the A end and a steering part at the B end of the third telescopic joint located on the lower side. That is, the number of the expansion joints is increased by arranging a plurality of third expansion joints with similar structures, so that the extension length of the expansion machine is effectively increased, but the load of the driving device is not increased.
  • the steering portion of the B end of each of the third telescopic joints away from the edge of the third telescopic joint, the connecting column and the steering portion of the B end of the second telescopic joint are all on the same straight line. Therefore, under different conditions, the transmission chain always maintains sufficient tension and ensures the effective connection between the power transmission part and each expansion joint.
  • each of the third telescopic sections arranged from top to bottom gradually increases, and the width of each of the third telescopic sections is larger than the width of the first telescopic section and smaller than the width of the second telescopic section. This facilitates the setting of the steering portion.
  • the power transmission part is a chain
  • the steering part is a gear that meshes with the power transmission part.
  • the setting position of the connecting column is adjustable. Therefore, the tightness of the chain can be adjusted.
  • Figure 1 is a schematic diagram of a three-dimensional structure of a preferred embodiment of the utility model
  • Figure 2 is a schematic top view of a preferred embodiment of the utility model
  • Fig. 3 is a partial enlarged schematic diagram of A in Fig. 2.
  • the telescopic mechanism of the telescopic machine of the present invention includes a first telescopic section 1 and a second telescopic section 2 which are partially overlapped from top to bottom.
  • the first telescopic section 1 is located at the end of the second telescopic section 2.
  • end A the end close to the extension direction of the telescopic mechanism
  • end B the end close to the retracting direction of the telescopic mechanism
  • the telescopic mechanism of the telescopic machine of the present invention further includes a third telescopic section 3 arranged between the first telescopic section 1 and the second telescopic section 2.
  • the end A of the third telescopic section 3 is suspended in the air and is located below the end B of the first telescopic section 1, and the end B of the third telescopic section 3 is located above the end A of the second telescopic section 2.
  • the number of third telescopic sections 3 exemplified in this embodiment is three, and each third telescopic section 3 is arranged overlapping from top to bottom, and is located at B of the third telescopic section 3 on the side close to the first telescopic section 1. The end is located above the A end of the third telescopic section 3 on the side close to the second telescopic section 2.
  • the telescopic machine is provided with tracks matching the first telescopic section 1 and the second telescopic section 2 respectively.
  • the first telescopic section 1, the three third telescopic sections 3, and the second telescopic section 2 of the telescopic mechanism of the telescopic machine of the present invention are partially overlapped from top to bottom.
  • the telescopic mechanism of the telescopic machine of the present invention also includes a drive motor arranged at the B end of the second telescopic section 2 and a transmission device connected with the drive motor.
  • the transmission device includes a transmission chain 51 and several gears connected with the transmission chain 51. Each gear They are respectively arranged on the first telescopic section 1, the second telescopic section 2 and the third telescopic section 3.
  • a connecting column 11 is provided at the B end of the first telescopic section 1, and a first gear 31 is provided at the A end of each third telescopic section 3.
  • a second gear 32 and a third gear 33 are provided at the B end of the section 3.
  • the second gear 32 is located at the B end of the third telescopic section close to the edge of the third telescopic section, and the third gear 33 is located at the third telescopic section.
  • the B end is far away from the edge of the third telescopic section.
  • the relative distance between the second gear 32 and the third gear 33 at the B end of each third telescopic section 3 arranged from top to bottom in the direction perpendicular to the extension direction of the extension mechanism of the telescopic machine gradually increases.
  • a fourth gear 21 is provided at the A end of the second telescopic section 2
  • a fifth gear 22 is also provided at the B end of the second telescopic section 2
  • a drive is provided at the edge close to the B end of the second telescopic section 2.
  • the gear 4, the drive gear 4 and the drive motor are coaxially connected.
  • the fifth gear 22 at the B end of the second telescopic section 2 of the present invention, the third gear 33 at the B end of each third telescopic section 3 and the connecting column 11 are all on the same straight line and parallel to the extension direction of the telescopic mechanism .
  • connection sequence of the transmission chain 51 and each gear of the present invention is that one end of the transmission chain 51 starts from the connecting column 11 and passes through the first gear 31 at the A end of the uppermost third telescopic section 3, and the second gear at the B end.
  • the gear 32 is then connected to the first gear 31 at the A end and the second gear 32 at the B end of the third telescopic section 3 on the lower side.
  • the transmission chain 5 is connected to each third telescopic section 3 in this way and then connected to
  • the drive gear 4 is coaxially connected with the drive motor of the second telescopic section 2, and is connected to the fifth gear 22 at the B end of the second telescopic section and then fixed to the connecting column 11.
  • the two ends of the transmission chain 51 are fixed to the connecting column 11.
  • the first gear 31 When the drive motor 4 rotates in the clockwise direction, the first gear 31 also rotates in the clockwise direction under the action of the transmission chain 51, and under the action of the transmission chain 51, the connecting column 11 of the first telescopic section 1 is applied to the telescopic machine With the force in the direction of extension, the drive chain 51 pushes the first telescopic section 1 outward under the action of each gear; when the first telescopic section 1 is extended into position, the second gear 32 of the third telescopic section 3 becomes a new And push each third telescopic section 3 to extend in turn to complete the extension action of the telescopic machine. Conversely, when the driving motor 4 is driven in a counterclockwise direction, the first telescopic section 1 and each third telescopic section 3 are retracted in sequence.
  • This embodiment only lists the case where the number of the third telescopic section 3 is three. It can also be less than three pieces or more than three pieces. When the number of third telescopic joints 3 is greater than three, the extension length of the telescopic machine can be effectively increased, but the input power is not increased, thus effectively reducing the load of the driving motor.
  • each third telescopic section 3 arranged from top to bottom of the telescopic mechanism of the telescopic machine of the present invention gradually increases, and the width of each third telescopic section 3 is greater than the width of the first telescopic section 1 and smaller than the width of the second telescopic section 2.
  • the width Therefore, it is convenient to connect the transmission chain 51 with each gear, and avoid mutual interference between the first telescopic section 1, the second telescopic section 2 and each third telescopic section 3.
  • a plurality of mounting holes can be provided on the first telescopic section 1, so as to realize the adjustment of the setting position of the connecting column 11, so that the tightness of the transmission chain 51 can be adjusted.
  • the telescopic mechanism of the telescopic machine of the utility model can realize the sequential extension or retraction of each telescopic section, thereby effectively reducing the load of the driving motor; and the structure is simple, easy to install, and brings great convenience to practical applications.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Steering Controls (AREA)

Abstract

一种伸缩机的伸缩机构，包括从上到下部分交叠设置的第一伸缩节（1）、第二伸缩节（2）以及设置于第一伸缩节（1）和第二伸缩节（2）中间的第三伸缩节（3），第一伸缩节（1）位于第二伸缩节（2）的上方；还包括设置于第二伸缩节（2）的B端的驱动装置和与驱动装置连接的传动装置，在第一伸缩节（1）的B端设置有连接柱（11），传动装置包括设置在第二伸缩节（2）的A端和B端分别设置的转向部，传动装置还包括动力传输部。该伸缩机的伸缩机构每次仅对一块伸缩节进行伸缩驱动，因而有效降低了驱动装置的负荷。由于驱动装置设置于第二伸缩节上，因而也无需设置驱动线拖链，因而使得安装成本大大降低。

Description

伸缩机的伸缩机构 技术领域
本实用新型涉及伸缩机技术领域，具体涉及一种伸缩机的伸缩机构。
背景技术
现有的伸缩机在对伸缩节进行伸缩时，大多依靠移动驱动机构而将各个伸缩节进行同步伸缩，因而使得驱动机构的负荷过大。此外，现有的伸缩机的驱动装置在伸缩时存在移动现象，因而必须增加驱动线拖链，因而增加了伸缩机的加工成本，也不利于伸缩机的安装。
实用新型内容
为了解决上述技术问题，本实用新型提供了一种伸缩机的伸缩机构，其能够实现各个伸缩节的依次伸缩，且有效减少了伸缩机的加工成本，提高了安装效率。
本实用新型的伸缩机的伸缩机构包括第一伸缩节和第二伸缩节，所述第一伸缩节位于所述第二伸缩节的上方，所述第一伸缩节的A端悬空设置并能朝向靠近或远离所述第二伸缩节的B端的方向移动，所述第一伸缩节的B端在所述第二伸缩节的上方，所述伸缩机的伸缩机构还包括设置于所述第二伸缩节的B端的驱动装置，和与所述驱动装置连接的传动装置，在所述第一伸缩节的B端设置有连接柱，所述传动装置包括设置在所述第二伸缩节的A端和B端分别设置的转向部，所述传动装置还包括动力传输部，所述动力传输部的两端均固定于所述连接柱上，并依次与第二伸缩节的A端的所述转向部、第二伸缩节的B端的所述驱动装置和所述转向部连接，所述驱动装置具有方向彼此相反的第一驱动方向和第二驱动方向，当其沿着第一驱动方向驱动时，所述第一伸缩节向其A端方向移动。因而，动力传输部在驱动装置的带动下传动，由于动力传输部是在与第一伸缩 节的连接柱连接后与第二伸缩节的A端的转向部连接，因而第一伸缩节能随着动力传输部的移动而相对第二伸缩节移动，从而实现第一伸缩节的伸缩的动作效果，本实用新型的伸缩机的伸缩机构每次仅对一块伸缩节进行驱动，因而有效降低了驱动装置的负荷。由于驱动装置设置于第二伸缩节上，因而也无需设置驱动线拖链，因而使得安装成本大大降低。
更进一步的，还包括位于所述第一伸缩节和所述第二伸缩节中间的第三伸缩节，所述第三伸缩节的A端悬空并位于所述第一伸缩节的B端下方，所述第三伸缩节的B端位于所述第二伸缩节的A端的上方，所述第三伸缩节的A端设置有一个转向部所述第三伸缩节的B端的两个所述转向部在与所述伸缩机的伸出机构的伸出方向相垂直的方向的相对距离小于第二伸缩节的B端的两个所述转向部在同一方向的相对距离。因而，在第一伸缩节，第三伸缩节和第二伸缩节从上到下依次部分叠放时，动力传输部能够依次与各个伸缩节上的转向部连接，不会相互干扰。
更进一步的，所述动力传输部在与第一伸缩节的连接柱连接后还与所述第三伸缩节的A端的转向部和所述第三伸缩节的B端的靠近第三伸缩节的边缘设置的转向部连接。动力传输部依次经过第二伸缩节的B端的驱动装置、第二伸缩节的B端的转向部、第三伸缩节的B端的远离第三伸缩节的边缘设置的转向部、第一伸缩节的B端的连接柱、第三伸缩节的A端的转向部、第三伸缩节的B端的靠近第三伸缩节的边缘设置的转向部、第二伸缩节的A端的转向部后与驱动装置连接，由此，能够在驱动装置的作用下依次将第一伸缩节和第三伸缩节推出。
更进一步的，所述第一伸缩节的连接柱、所述第二伸缩节的B端的转向部和所述第三伸缩节的B端的远离第三伸缩节的边缘设置的转向部在同一条直线上。因而，能够确保对各个伸缩节的驱动力保持恒定。
更进一步的，所述第三伸缩节的数量至少为两块，各个所述第三伸缩节部分交叠设置，处于靠近所述第一伸缩节一侧的所述第三伸缩节的B端位于处于靠近所述第二伸缩节一侧的所述第三伸缩节的A端的上方，所述动力传输部在依次经过位于上侧的所述第三伸缩节的A端的转向部、B端的一个转向部后与位于下侧的所述第三伸缩节的A端的转向部、B端的一个转向部依次连接。也即通过设置多块结构类似的第三伸缩节而增加了伸缩节的数量，从而使得伸缩机的伸出长度有效增加，但是，却并未增加驱动装置的负载。
更进一步的，从上到下设置的各个所述第三伸缩节的B端的两个所述转向部在与所述伸缩机的伸出机构的伸出方向相垂直的方向的相对距离逐渐增大。因而，便于动力传输部与各个伸缩节上的转向部的连接，不会相互干扰。
更进一步的，各个所述第三伸缩节的B端的远离第三伸缩节的边缘设置的转向部、与所述连接柱、所述第二伸缩节的B端的转向部均在同一条直线上。因而使得在不同状态下，传动链条始终保持足够的张紧力并确保动力输送部与各个伸缩节的有效连接。
进一步的，从上到下设置的各个所述第三伸缩节的宽度逐渐增加，各个所述第三伸缩节的宽度大于所述第一伸缩节的宽度，小于所述第二伸缩节的宽度。因而便于进行转向部的设置。
进一步的，所述动力传输部为链条，所述转向部为与所述动力传输部相互啮合的齿轮。
进一步的，所述连接柱的设置位置可调。因而能够对链条的松紧度进行调 节。
附图说明
图1为本实用新型一较佳实施例的立体结构示意图；
图2为本实用新型一较佳实施例的俯视结构示意图；
图3为图2中A处的局部放大示意图。
图中：
1-第一伸缩节、11-连接柱、2-第二伸缩节、3-第三伸缩节、31-第一齿轮、32-第二齿轮、33-第三齿轮、21-第四齿轮、22-第五齿轮、4-驱动齿轮、51-传动链条。
具体实施方式
下面结合附图对本实用新型的较佳实施例进行详细阐述，以使本实用新型的优点和特征能更易于被本领域技术人员理解，从而对本实用新型的保护范围做出更为清楚明确的界定。
参见图1所示，本实用新型的伸缩机的伸缩机构，包括从上到下部分交叠设置的第一伸缩节1和第二伸缩节2，第一伸缩节1位于第二伸缩节2的上方。本实用新型中，以靠近伸缩机构的伸出方向一端为A端，以靠近伸缩机构的缩回方向的一端为B端。第一伸缩节1的A端悬空。
本实用新型的伸缩机的伸缩机构还包括设置于第一伸缩节1和第二伸缩节2中间的第三伸缩节3。第三伸缩节3的A端悬空并位于第一伸缩节1的B端下方，第三伸缩节3的B端位于第二伸缩节2的A端的上方。本实施例中例举的第三伸缩节3的数量为三个，各个第三伸缩节3从上到下部分交叠设置，处于靠近第一伸缩节1一侧的第三伸缩节3的B端位于处于靠近第二伸缩节2一侧的第三伸缩节3的A端的上方。在伸缩机上与第一伸缩节1和第二伸缩节2分别相应的设置有与其匹配 的轨道。
因而，本实用新型的伸缩机的伸缩机构的第一伸缩节1、三块第三伸缩节3和第二伸缩节2从上到下部分交叠设置。
本实用新型的伸缩机的伸缩机构还包括设置于第二伸缩节2的B端的驱动电机和与驱动电机连接的传动装置，传动装置包括传动链条51和与传动链条51连接的若干齿轮，各个齿轮分别设置于第一伸缩节1、第二伸缩节2和第三伸缩节3上。
参见图2和图3所示，在第一伸缩节1的B端设置有一个连接柱11，在每一块第三伸缩节3的A端均设置一个第一齿轮31，在每一块第三伸缩节3的B端均设置有一个第二齿轮32和第三齿轮33，第二齿轮32位于第三伸缩节的B端的靠近第三伸缩节的边缘的位置，第三齿轮33位于第三伸缩节的B端远离第三伸缩节的边缘的位置。从上到下设置的各个第三伸缩节3的B端的第二齿轮32和第三齿轮33在与伸缩机的伸出机构的伸出方向相垂直的方向的相对距离逐渐增大。在第二伸缩节2的A端设置有一个第四齿轮21，在第二伸缩节2的B端还设置有一个第五齿轮22，在靠近第二伸缩节2的B端的边缘处设置有驱动齿轮4，驱动齿轮4与驱动电机同轴连接。本实用新型的第二伸缩节2的B端的第五齿轮22和各个第三伸缩节3的B端的第三齿轮33以及连接柱11均在同一条直线上并与伸缩机构的伸出方向相平行。
本实用新型的传动链条51与各个齿轮的连接顺序为，传动链条51的一端从连接柱11出发，并依次经过位于最上侧的第三伸缩节3的A端的第一齿轮31、B端的第二齿轮32后与位于其下侧的第三伸缩节3的A端的第一齿轮31、B端的第二齿轮32连接，传动链条5在与各个第三伸缩节3按照此方式依次连接后，连接于与第二伸缩节2的驱动电机同轴连接的驱动齿轮4上，并经与第二伸缩节的B端的第 五齿轮22连接后与连接柱11固定。传动链条51的两端被固定于连接柱11上。
在驱动电机4顺时针方向转动时，第一齿轮31也在传动链条51的作用下呈顺时针方向转动，并在传动链条51的作用下对第一伸缩节1的连接柱11施加向伸缩机伸出的方向的力，传动链条51在各个齿轮的作用下将第一伸缩节1向外推出；当第一伸缩节1伸出到位后，第三伸缩节3的第二齿轮32处成为新的受力点，并推动各个第三伸缩节3依次伸出从而完成伸缩机的伸出动作。反之，在驱动电机4按逆时针方向驱动时，第一伸缩节1和各个第三伸缩节3依次缩回。
本实施例仅列举了第三伸缩节3的数量为三块的情形。其也可以为小于三块或大于三块。当设置的第三伸缩节3的数量大于三块时，能够使伸缩机的伸出长度有效增加，但是，却并未增加输入动力，因而有效减轻了驱动电机的负荷。
本实用新型的伸缩机的伸缩机构的从上到下设置的各个第三伸缩节3的宽度逐渐增加，各个第三伸缩节3的宽度大于第一伸缩节1的宽度，小于第二伸缩节2的宽度。因而，便于将传动链条51与各个齿轮的连接，且避免第一伸缩节1、第二伸缩节2和各个第三伸缩节3之间的相互干扰。
作为本实用新型的一种优选的实施方式，可通过在第一伸缩节1上设置多个安装孔，从而实现对连接柱11的设置位置的调节，因而能够对传动链条51的松紧度的调节。
本实用新型的伸缩机的伸缩机构能够实现各个伸缩节的顺序伸出或收回，因而有效减轻了驱动电机的负载；且其结构简单，易于安装，给实际应用带来极大便利。
以上实施方式只为说明本实用新型的技术构思及特点，其目的在于让熟悉此项技术的人了解本实用新型的内容并加以实施，并不能以此限制本实用新型的保护范围，凡根据本实用新型精神实质所做的等效变化或修饰，都应涵盖在 本实用新型的保护范围内。

Claims (10)

  1. 伸缩机的伸缩机构，包括第一伸缩节和第二伸缩节，其特征在于，所述第一伸缩节位于所述第二伸缩节的上方，所述第一伸缩节的A端悬空设置并能朝向靠近或远离所述第二伸缩节的B端的方向移动，所述第一伸缩节的B端在所述第二伸缩节的上方，
    所述伸缩机的伸缩机构还包括设置于所述第二伸缩节的B端的驱动装置，和与所述驱动装置连接的传动装置，在所述第一伸缩节的B端设置有连接柱，所述传动装置包括设置在所述第二伸缩节的A端和B端分别设置的转向部，所述传动装置还包括动力传输部，所述动力传输部的两端均固定于所述连接柱上，并依次与第二伸缩节的A端的所述转向部、第二伸缩节的B端的所述驱动装置和所述转向部连接，所述驱动装置具有方向彼此相反的第一驱动方向和第二驱动方向，当其沿着第一驱动方向驱动时，所述第一伸缩节向其A端方向移动。
  2. 根据权利要求1所述的伸缩机的伸缩机构，其特征在于，还包括位于所述第一伸缩节和所述第二伸缩节中间的第三伸缩节，所述第三伸缩节的A端悬空并位于所述第一伸缩节的B端下方，所述第三伸缩节的B端位于所述第二伸缩节的A端的上方，所述第三伸缩节的A端设置有一个转向部所述第三伸缩节的B端的两个所述转向部在与所述伸缩机的伸出机构的伸出方向相垂直的方向的相对距离小于第二伸缩节的B端的两个所述转向部在同一方向的相对距离。
  3. 根据权利要求2所述的伸缩机的伸缩机构，其特征在于，所述动力传输部在与第一伸缩节的连接柱连接后还与所述第三伸缩节的A端的转向部和所述第三伸缩节的B端的靠近第三伸缩节的边缘设置的转向部连接。
  4. 根据权利要求3所述的伸缩机的伸缩机构，其特征在于，所述第一伸缩节的连接柱、所述第二伸缩节的B端的转向部和所述第三伸缩节的B端的远离第三伸缩节的边缘设置的转向部在同一条直线上。
  5. 根据权利要求4所述的伸缩机的伸缩机构，其特征在于，所述第三伸缩节的数量至少为两块，各个所述第三伸缩节部分交叠设置，处于靠近所述第一伸缩节一侧的所述第三伸缩节的B端位于处于靠近所述第二伸缩节一侧的所述第三伸缩节的A端的上方，所述动力传输部在依次经过位于上侧的所述第三伸缩节的A端的转向部、B端的一个转向部后与位于下侧的所述第三伸缩节的A端的转向部、B端的一个转向部依次连接。
  6. 根据权利要求5所述的伸缩机的伸缩机构，其特征在于，从上到下设置的各个所述第三伸缩节的B端的两个所述转向部在与所述伸缩机的伸出机构的伸出方向相垂直的方向的相对距离逐渐增大。
  7. 根据权利要求6所述的伸缩机的伸缩机构，其特征在于，各个所述第三伸缩节的B端的远离第三伸缩节的边缘设置的转向部、与所述连接柱、所述第二伸缩节的B端的转向部均在同一条直线上。
  8. 根据权利要求2所述的伸缩机的伸缩机构，其特征在于，从上到下设置的各个所述第三伸缩节的宽度逐渐增加，各个所述第三伸缩节的宽度大于所述第一伸缩节的宽度，小于所述第二伸缩节的宽度。
  9. 根据权利要求1所述的伸缩机的伸缩机构，其特征在于，所述动力传输部为链条，所述转向部为与所述动力传输部相互啮合的齿轮。
  10. 根据权利要求1所述的伸缩机的伸缩机构，其特征在于，所述连接柱的设置位置可调。
PCT/CN2020/093839 2019-10-30 2020-06-02 伸缩机的伸缩机构 WO2021082439A1 (zh)

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