WO2015100852A1 - 一种滑块式电动推杆 - Google Patents

一种滑块式电动推杆 Download PDF

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Publication number
WO2015100852A1
WO2015100852A1 PCT/CN2014/073298 CN2014073298W WO2015100852A1 WO 2015100852 A1 WO2015100852 A1 WO 2015100852A1 CN 2014073298 W CN2014073298 W CN 2014073298W WO 2015100852 A1 WO2015100852 A1 WO 2015100852A1
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WO
WIPO (PCT)
Prior art keywords
slider
force sensor
electric push
push rod
type electric
Prior art date
Application number
PCT/CN2014/073298
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English (en)
French (fr)
Inventor
何少敦
Original Assignee
何少敦
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 何少敦 filed Critical 何少敦
Publication of WO2015100852A1 publication Critical patent/WO2015100852A1/zh

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/24—Devices for sensing torque, or actuated thereby

Definitions

  • the present invention relates to an electric push rod, and more particularly to a slider type electric push rod.
  • a linear drive device is often called a slider type electric push rod, which is also called an old chair electric push rod or a flat push slider push rod, which is installed by loading the load and the slider.
  • the slider is driven by the motor to realize various functions.
  • the problem is that today's slider-type electric actuators do not detect the push-pull force acting on the load in real time, making it difficult to meet higher requirements.
  • the present invention improves the structure of the slider type electric push rod, in the slider
  • the force sensor is arranged on the sensor to make the sensor both as a force transmission member between the slider and the load, and as a force detecting component, and the force sensor detects the force of the load in real time, so as to meet higher usage requirements, for example, real-time.
  • the magnitude of the detection force can also set the peak value of the push-pull force, so that the electric push rod automatically stops working when the push-pull force reaches a peak.
  • a slider type electric push rod which is mainly composed of a rod body, a power source, a hand controller and the like.
  • the rod body is provided with a motor and a slider, and the gear body is internally provided with a transmission component and a screw rod
  • the stroke control switch is sleeved on the rod body, and is further provided with a mounting seat.
  • the rod body is fixed by the mounting seat, and the motor drives the screw to rotate through the transmission component.
  • the screw is internally provided with a screw thread matched with the screw, and the slider screw
  • the tooth is connected with the screw and drives the slider to reciprocate linearly along the rod body when the screw is rotating forward and backward.
  • the slider is further disposed with a force sensor along the longitudinal direction of the rod body, and the force sensor has one end and a slider. The connection is fixed and the other end is fixed to the load, and the slider transmits the force to the load through the force sensor.
  • connection end of the force sensor and the slider is provided with a slider end mounting hole
  • connection end of the force sensor and the load is provided with a load end mounting hole
  • the slider is provided with a recess for accommodating the force sensor, and the force sensor is built in the longitudinal direction of the rod in the longitudinal direction of the rod.
  • the slider is provided with a key table
  • the force sensor is provided with a key groove
  • the force sensor is mounted on the slider, and the key table is received in the key groove.
  • the fifth preferred embodiment of the present invention a bolt is used to fix the sensor to the slider at the fixed end of the connection between the force sensor and the slider.
  • the sixth preferred embodiment of the present invention a pin sleeve is further disposed on the fixing bolt, and the outer sleeve of the fixing bolt is further disposed. After the pin sleeve is inserted into the slider end mounting hole of the force sensor, the force sensor is mounted on the slider, and the force sensor can be rotated around the pin sleeve.
  • the seventh aspect of the present invention is: the slider is provided with a pin, the pin end has a pin hole, and the pin is inserted into the slider end mounting hole. The force sensor is mounted on the slider and a screw is also provided at the end of the pin.
  • a first boss is provided on the slider at the mounting connection with the force sensor, and a second boss is provided at the other end of the slider.
  • a groove is respectively disposed on each side of the slider, and a force sensor is disposed on each of the side grooves.
  • the invention has the beneficial effects that: the invention improves the structure of the slider type electric push rod, and the force sensor is arranged on the slider as the force transmission member and the detecting member between the slider and the load, and the force sensor is passed Real-time detection of the force of the load, in order to meet the higher requirements of use, in addition to the ability to detect the force in real time, can also cooperate with other supporting instruments, such as the peak tester using the force sensor, by setting the peak, making the electric push The lever automatically stops when the push-pull force reaches its peak.
  • FIG. 1 is a schematic structural view of an embodiment of the prior art.
  • FIGS. 2, 3, and 4 are schematic views showing the structure of the first embodiment of the present invention.
  • 3 and 4 are partial structural diagrams, and
  • Fig. 4 is an enlarged schematic view of the structure.
  • FIG. 6, FIG. 7, and FIG. 8 are schematic structural views of a second embodiment of the present invention, wherein FIG. 6, FIG. 7, and FIG. 8 are partial structural views, wherein FIG. 7 is rotated by a small angle to display a screw hole 1.21. Position, Fig. 8 is an enlarged schematic view of a partial structure.
  • Fig. 9, Fig. 10, Fig. 11, and Fig. 12 are schematic views showing the structure of a third embodiment of the present invention, wherein Figs. 10, 11, and 12 are enlarged views of a partial structure.
  • FIG. 13 are partial structural views of a fourth embodiment of the present invention, wherein FIG. 15 is rotated by a small angle to show the position of the pin 1.26, and FIG. 16 is an enlarged schematic view of the partial structure.
  • Figure 17 is a partial structural view showing a fifth embodiment of the present invention.
  • 21 and 22 are partial structural views of a seventh embodiment of the present invention.
  • Rod body 1. 1 motor, 1. 2 slider, 1. 21 mounting screw hole, 1. 21A auxiliary mounting screw hole, 1. 22 sliding hole, 1. 23, 1. 24 groove, 1. 23A a boss, 1. 23B second boss, 1.25 key table, 1.26 pin, 1.261 pin hole;
  • FIG. 1 is a schematic structural view of an embodiment of the prior art.
  • the slider type electric push rod is mainly composed of a rod body 1.1, a power source 2, a hand controller and the like.
  • the rod body 1 is provided with a motor 1.1 and a slider 1.2, and a transmission unit and a screw are arranged inside the rod body.
  • the stroke control switch, the slider 1.2 is provided with a mounting screw hole 1.21 (the load is fixed by the mounting screw hole and the slider), the slider 1.2 is sleeved on the rod body 1, and the rod body 1 is provided with a mounting seat, and the rod body 1 is passed before
  • the mounting seat 4.1 and the rear mounting seat 4.2 are fixed and fixed, and the motor 1.1 drives the screw to rotate through the transmission component.
  • the slider 1.2 is internally provided with a screw thread matched with the screw, and the screw of the slider is connected with the screw and the screw is rotated forward and backward. The slider is driven to reciprocate linearly along the rod body.
  • FIGS. 2, 3, and 4 are schematic views showing the structure of the first embodiment of the present invention.
  • 3 and 4 are partial structural diagrams
  • Fig. 4 is an enlarged schematic view of the structure.
  • the figure shows that the slider type electric push rod proposed in this example is mainly composed of the rod body 1.1, the power source 2, the hand controller and the like.
  • the rod body 1 is provided with the motor 1.1 and the slider 1.2, and the transmission body and the screw are arranged inside the rod body.
  • the slider 1.2 is sleeved on the rod body 1, the rod body 1 is provided with a mounting seat, the rod body 1 is fixed by the front mounting seat 4.1, the rear mounting seat 4.2, and the motor 1.1 drives the screw to rotate through the transmission component, the slider 1.2
  • the threaded rod is matched with the screw, and the screw of the slider is connected with the screw and the screw rotates the rod to reciprocate linearly along the rod body when rotating forward and backward; unlike the prior art, the slider is 1.2 is also provided with a force sensor 3 in the longitudinal direction of the rod body 1, the end of the force sensor is connected to the slider and the other end is connected to the load, and the slider 1.2 transmits the force to the load through the force sensor 3.
  • FIG. 4 is an enlarged schematic view of the structure of the sensor, and FIG. 4 shows that, in this example, the connection end of the force sensor 3 and the slider 1.2 is provided with a slider end mounting hole 3.1, and the connection end of the force sensor and the load is provided with a load end mounting hole 3.2.
  • the figure also shows that a slider end sub-mounting hole 3.1A is further provided at the connection end of the force sensor 3 and the slider.
  • Figure 2 and Figure 3 show that the mounting hole 3.11 and the slider end mounting hole 3.1A are respectively provided with a mounting screw hole 1.21, a sub-mounting screw hole 1.21A, and a mounting screw hole 1.21.
  • the sub-mounting screw hole 1.21A fixes the force sensor 3 to the slider 1.2 by means of fixing bolts 5.1, 5.1A.
  • Figure 4 also shows that the force sensor 3 has a detection element 3.3.
  • the load is fixed to the slider 1.2 through the load end mounting hole 3.2.
  • the slider 1.2 drives the load action through the force sensor 3, and the change of the force can be detected in real time through the detecting element 3.3 on the force sensor 3.
  • FIG. 6, FIG. 7, and FIG. 8 are schematic structural views of a second embodiment of the present invention, wherein FIG. 6, FIG. 7, and FIG. 8 are partial structural views, and FIG. 8 is an enlarged schematic view of a partial structure.
  • the figure shows that, unlike the prior art, in the example, a groove 1.23 for accommodating the force sensor 3 is provided on the slider 1.2, and the force sensor 3 is built in the groove 1.23 in the longitudinal direction of the rod 1.
  • Fig. 7 shows that a mounting screw hole 1.21. is provided in the groove 1.23 of the slider 1.2.
  • Figure 5 shows that the force sensor 3 is mounted on the groove 1.23 of the slider 1.2 at the slider end mounting hole 3.1 using a fixing bolt 5.1.
  • the present invention suggests that the force sensor 3 is built into the recess 1.23, and the sensor has a gap between the upper and lower walls of the groove to satisfy the deformation of the sensor due to tension or pressure.
  • FIG. 10, FIG. 11, and FIG. 12 are schematic views showing the structure of a third embodiment of the present invention, wherein FIG. 10, FIG. 11, and FIG. 12 are enlarged schematic views of a partial structure, which is different from the second embodiment.
  • a pin sleeve 5.2 is further disposed. After the bolt sleeve 5.1 is externally sleeved into the mounting hole 3.1, the force sensor is mounted on the groove 1.23, and the force sensor 3 can be rotated around the pin sleeve 5.2.
  • FIG. 13 are partial structural views of a fourth embodiment of the present invention, and FIG. 16 is an enlarged view of a partial structure.
  • a pin 1.26 is disposed on the groove 1.23 of the slider 1.2, and a pin hole 1.261 is disposed at the end of the pin 1.26, and the pin 1.26 is inserted into the pin
  • the slider end mounting hole 3.1 mounts the force sensor 3 on the groove 1.23 of the slider 1.2, and a tip screw and a spacer 5.3 are also disposed at the end of the pin 1.26.
  • Figure 17 is a partial structural view showing a fifth embodiment of the present invention.
  • the figure shows that, unlike the second embodiment, in this example, the groove 1.23 of the slider 1.2 is disposed at the mounting connection with the force sensor.
  • the function of the boss is to allow the force sensor to be overhead, so that the detecting element 3.3 on the sensor is prevented from being squeezed, which affects the accuracy of the detected data.
  • FIGS. 18, 19, and 20 are partial structural views of a sixth embodiment of the present invention.
  • the figure shows that, in contrast to the second embodiment, in the example, the slider 1.2 is provided with a key table 1.25 on the slider, and correspondingly, the force sensor 3 is provided with a key groove 3.4, the force sensor 3 Mounted on the slider 1.2, the key table 1.25 is housed in the keyway 3.4.
  • the present invention suggests that the key table 1.25 is housed in the keyway 3.4 with a gap between the key stage and the keyway to accommodate deformation of the sensor due to tension or pressure.
  • Figure 22 is a partial view of the seventh embodiment of the present invention, the same as the second embodiment, in this example, the two sides of the slider 1.2 are provided with grooves 1.23, 1.24, and set the force sensors 3A, 3B respectively.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Transmission Devices (AREA)

Abstract

一种滑块式电动推杆，为了解决现今的滑块式电动推杆不能对作用在负载上的推拉力进行实时检测，因而难以满足更高的要求的问题，本发明对滑块式电动推杆的结构进行改进，在滑块上设置力传感器，使传感器既作为滑块与负载之间的力传递件，又作为力检测件，通过力传感器对负载的受力情况进行实时检测，以便满足更高的使用要求，比如可以实时检测力的大小，还可以设置推拉力的峰值，使电动推杆在推拉力达到峰值时自动停止工作。

Description

一种滑块式电动推杆
技术领域
本发明涉及一种电动推杆， 尤其涉及一种滑块式电动推杆。
背景技术
现今， 在一些行业比如家具行业中经常需要采用的一种线性驱动装置称为滑块式电动推杆， 又称为 老人椅电动推杆或平推滑块推杆， 通过将负载与滑块安装连接， 电动推杆工作时， 由电机驱动滑块滑行， 从而实现各种功能。 问题是， 现今的滑块式电动推杆不能对作用在负载上的推拉力进行实时检测， 因而难 以满足更高的要求。
发明内容
为了解决现今的滑块式电动推杆不能对作用在负载上的推拉力进行实时检测， 因而难以满足更高的要 求的问题， 本发明对滑块式电动推杆的结构进行改进， 在滑块上设置力传感器， 使传感器既作为滑块与负 载之间的力传递件， 又作为力检测件， 通过力传感器对负载的受力情况进行实时检测， 以便满足更高的使 用要求， 比如可以实时检测力的大小， 还可以设置推拉力的峰值， 使电动推杆在推拉力达到峰值时自动停 止工作。
本发明解决问题所采用的技术方案是： 一种滑块式电动推杆， 主要由杆体、 电源、 手控器等构件组 成， 杆体上设置有电机、 滑块， 杆体内部设置有传动组件、 螺杆、 行程控制开关， 滑块套接在杆体上， 还设置有安装座， 杆体通过安装座安装固定， 电机通过传动组件驱动螺杆转动， 滑块内部设置有与螺杆 配合的螺牙， 滑块的螺牙与螺杆构成连接并且当螺杆正、 反转动时带动滑块沿杆体做往复直线运动， 其 特征是， 在所述滑块上还沿杆体纵向设置有力传感器， 所述力传感器一端与滑块连接固定而另一端与负 载连接固定， 滑块通过力传感器将力传递至负载。
本发明的优选方案之一： 所述力传感器与滑块的连接端设置有滑块端安装孔， 力传感器与负载的连接 端设置有负载端安装孔。
本发明的优选方案之二： 在所述力传感器与滑块的连接固定端采用两个螺栓将传感器固定在滑块上。 本发明的优选方案之三： 所述滑块上设置有容纳力传感器的凹槽， 力传感器沿杆体纵向内置于凹槽里 面。
本发明的优选方案之四： 所述滑块上设置有键台， 所述力传感器上设置有键槽， 力传感器安装在滑块 上， 所述键台容纳于所述键槽。
在优选方案之三或四的基础上， 本发明优选方案之五： 在力传感器与滑块的连接固定端采用一个螺栓 将传感器固定在滑块上。
在优选方案之五的基础上， 本发明优选方案之六： 在所述固定螺栓上还设置有销套， 固定螺栓外部套 接销套之后插入力传感器的滑块端安装孔中将力传感器安装在滑块上， 所述力传感器可以绕销套转动。 在优选方案之三或四的基础上， 本发明优选方案之七： 所述滑块上设置有销柱， 销柱端头上具有销柱 孔， 所述销柱插入所述滑块端安装孔将力传感器安装在滑块上， 在销柱端头还设置有螺钉。
本发明的优选方案之八： 在滑块上与力传感器的安装连接处设置有第一凸台， 而在滑块另一端设置有 第二凸台。
本发明的优选方案之九： 在滑块的两侧分别各设置有凹槽， 在每一侧凹槽上各设置有力传感器。 本发明的有益效果是： 本发明通过对滑块式电动推杆的结构进行改进， 在滑块上设置力传感器， 使其 作为滑块与负载之间的力传递件和检测件， 通过力传感器对负载的受力情况进行实时检测， 以便满足更高 的使用要求， 除了可以实时检测力的大小，还可以与其它配套仪器配合， 比如利用力传感器的峰值测试仪， 通过设置峰值， 使电动推杆在推拉力达到峰值时自动停止运行。
附图说明 图 1为现有技术一个实施例的结构示意图。
图 2、 图 3、 图 4为本发明第一个实施例的结构示意图。 其中图 3、 图 4为局部结构示意图， 图 4为结 构放大示意图。
图 5、 图 6、 图 7、 图 8为本发明第二个实施例的结构示意图， 其中图 6、 图 7、 图 8为局部结构示意 图， 其中图 7转动一个小角度以便显示螺孔 1.21的位置， 图 8为局部结构放大示意图。
图 9、 图 10、 图 11、 图 12为本发明第三个实施例的结构示意图， 其中图 10、 图 11、 图 12为局部结 构放大示意图。
图 13、 图 14、 图 15、 图 16为本发明第四个实施例的局部结构示意图， 其中图 15转动一个小角度以 便显示销柱 1.26的位置， 其中图 16为局部结构放大示意图。
图 17为本发明第五个实施例的局部结构示意图。
图 18、 图 19、 图 20为本发明第六个实施例的局部结构示意图。
图 21、 图 22为本发明第七个实施例的局部结构示意图。
图中：
1.杆体， 1. 1电机， 1. 2滑块， 1. 21安装螺孔、 1. 21A副安装螺孔， 1. 22滑孔、 1. 23、 1. 24凹槽， 1. 23A 第一凸台、 1. 23B第二凸台， 1.25键台， 1.26销柱， 1.261销柱孔；
2.电源；
3. 3A、 3B力传感器， 3. 1滑块端安装孔、 3.1A滑块端副安装孔、 3. 2负载端安装孔， 3. 3检测元件， 3. 4键槽； 4. 1前安装座， 4. 2后安装座；
5. 1、 5. 1A固定螺栓， 5. 2销套， 5. 3端头螺钉及垫片。
具体实施方式
图 1为现有技术一个实施例的结构示意图。 图中显示， 现有技术中， 滑块式电动推杆主要由杆体 1.1、 电源 2、 手控器等构件组成， 杆体 1上设置有电机 1.1、 滑块 1.2， 杆体内部设置有传动组件、 螺杆、 行程 控制开关， 滑块 1.2 上设置有安装螺孔 1.21 (负载通过安装螺孔与滑块连接固定）， 滑块 1.2套接在杆体 1 上， 杆体 1上设置有安装座， 杆体 1通过前安装座 4.1、 后安装座 4.2安装固定， 电机 1.1通过传动组件驱动 螺杆转动， 滑块 1.2内部设置有与螺杆配合的螺牙， 滑块的螺牙与螺杆构成连接并且螺杆正、 反转动时带 动滑块沿杆体做往复直线运动。
由于属于现有技术， 本文中， 传动组件、 行程控制开关没有在图上显示出来。
本文提示， 在现有技术的其它实施例中， 也存在只设置后安装座而不设前安装座的例子。
图 2、 图 3、 图 4为本发明第一个实施例的结构示意图。 其中图 3、 图 4为局部结构示意图， 图 4为结 构放大示意图。 图中显示， 本例提出的滑块式电动推杆， 主要由杆体 1.1、 电源 2、 手控器等构件组成， 杆 体 1上设置有电机 1.1、 滑块 1.2， 杆体内部设置有传动组件、 螺杆、 行程控制开关， 滑块 1.2套接在杆体 1 上， 杆体 1上设置有安装座， 杆体 1通过前安装座 4.1、 后安装座 4.2安装固定， 电机 1.1通过传动组件驱动 螺杆转动， 滑块 1.2内部设置有与螺杆配合的螺牙， 滑块的螺牙与螺杆构成连接并且螺杆正、 反转动时带 动滑块沿杆体做往复直线运动； 与现有技术不同的是， 在所述滑块 1.2上还沿杆体 1纵向设置有力传感器 3， 所述力传感器 3—端与滑块连接而另一端与负载连接， 滑块 1.2通过力传感器 3将力传递至负载。
图 4为传感器的结构放大示意图， 图 4显示， 本例中， 力传感器 3与滑块 1.2的连接端设置有滑块端安 装孔 3.1， 力传感器与负载的连接端设置有负载端安装孔 3.2; 图中还显示， 在力传感器 3与滑块的连接端 处还设置有滑块端副安装孔 3.1A。 图 2、 图 3显示， 相对于滑块端安装孔 3.1、 滑块端副安装孔 3.1A分别 在滑块 1.2上设置有安装螺孔 1.21、 副安装螺孔 1.21A , 在安装螺孔 1.21、 副安装螺孔 1.21A采用固定螺栓 5.1、 5.1A将力传感器 3固定在滑块 1.2上。 图 4还显示， 力传感器 3上具有检测元件 3.3。
在图 2中， 负载通过负载端安装孔 3.2与滑块 1.2连接固定。 当电动推杆工作时， 滑块 1.2通过力传感 器 3驱动负载动作， 通过力传感器 3上的检测元件 3.3可以实时检测力的变化情况。
图 5、 图 6、 图 7、 图 8为本发明第二个实施例的结构示意图， 其中图 6、 图 7、 图 8为局部结构示意 图， 图 8 为局部结构放大示意图。 图中显示， 与现有技术不同的是， 本例中， 在滑块 1.2上设置有容纳力 传感器 3的凹槽 1.23， 力传感器 3沿杆体 1纵向内置于凹槽 1.23里面。 图 7显示， 在滑块 1.2的凹槽 1.23上设 置有安装螺孔 1.21。 图 5显示， 采用固定螺栓 5.1在滑块端安装孔 3.1处将力传感器 3安装在滑块 1.2的凹槽 1.23上。 本发明提示， 力传感器 3内置于凹槽 1.23里面， 传感器与凹槽上、 下壁之间具有间隙以满足传感器因 受到拉力或压力时产生的变形。
图 9、 图 10、 图 11、 图 12为本发明第三个实施例的结构示意图， 其中图 10、 图 11、 图 12为局部结 构放大示意图， 与第二个实施例不同的是， 本例中， 在螺栓 5. 1上还设置有销套 5.2， 在螺栓 5.1外部套接 销套 5.2后插入安装孔 3.1中将力传感器安装在凹槽 1.23上， 力传感器 3可以绕销套 5.2转动。
图 13、 图 14、 图 15、 图 16为本发明第四个实施例的局部结构示意图， 其中图 16为局部结构放大示 意图。与第二个实施例不同的是， 本例中， 在滑块 1.2的凹槽 1.23上设置有销柱 1.26， 销柱 1.26端头上设置 有销柱孔 1.261， 所述销柱 1.26插入所述滑块端安装孔 3.1将力传感器 3安装在滑块 1.2的凹槽 1.23上， 在销 柱 1.26端头还设置有端头螺钉及垫片 5.3。
图 17为本发明第五个实施例的局部结构示意图， 图中显示， 与第二个实施例不同的是， 本例中， 在 滑块 1.2 的凹槽 1.23上与力传感器的安装连接处设置有第一凸台 1. 23A , 而在另一端设置有第二凸台 1.23B。设置凸台的作用在于可以将力传感器架空， 避免传感器上的检测元件 3.3受到挤压， 影响检测数据 的精确性。
图 18、 图 19、 图 20为本发明第六个实施例的局部结构示意图。 图中显示， 与第二个实施例不同的是， 本例中， 在滑块 1.2上还所述滑块上设置有键台 1.25， 相应地在力传感器 3上设置有键槽 3.4， 力传感器 3 安装在滑块 1. 2上， 键台 1.25容纳于键槽 3.4当中。 本发明提示， 键台 1.25容纳于键槽 3.4当中， 键台与键 槽之间具有间隙以满足传感器因受到拉力或压力时产生的变形。
图 21、 图 22为本发明第七个实施例的局部结构示意图， 图中显示， 与第二个实施例不同的是， 本例 中， 在滑块 1. 2的两侧分别设置有凹槽 1.23、 1.24， 并分别设置力传感器 3A、 3B。

Claims

权 利 要 求 书
1. 一种滑块式电动推杆， 主要由杆体、 电源、 手控器等构件组成， 杆体上设置有电机、 滑块， 杆体内部 设置有传动组件、螺杆、行程控制开关， 滑块套接在杆体上， 还设置有安装座， 杆体通过安装座安装固定， 电机通过传动组件驱动螺杆转动， 滑块内部设置有与螺杆配合的螺牙， 滑块的螺牙与螺杆构成连接并且当 螺杆正、 反转动时带动滑块沿杆体做往复直线运动， 其特征是， 在所述滑块上还沿杆体纵向设置有力传感 器， 所述力传感器一端与滑块连接固定而另一端与负载连接固定， 滑块通过力传感器将力传递至负载。
2. 根据权利要求 1所述的滑块式电动推杆， 其特征是， 所述力传感器与滑块的连接端设置有滑块端安装 孔， 力传感器与负载的连接端设置有负载端安装孔。
3. 根据权利要求 2所述的滑块式电动推杆， 其特征是， 在所述力传感器与滑块的连接固定端采用两个螺 栓将传感器固定在滑块上。
4. 根据权利要求 2所述的滑块式电动推杆， 其特征是， 所述滑块上设置有容纳力传感器的凹槽， 力传感 器沿杆体纵向内置于凹槽里面。
5. 根据权利要求 2所述的滑块式电动推杆， 其特征是， 所述滑块上设置有键台， 所述力传感器上设置有 键槽， 力传感器安装在滑块上， 所述键台容纳于所述键槽。
6. 根据权利要求 4或 5所述的滑块式电动推杆， 其特征是， 在力传感器与滑块的连接固定端采用一个螺 栓将传感器固定在滑块上。
7. 根据权利要求 6所述的滑块式电动推杆， 其特征是， 在所述固定螺栓上还设置有销套， 固定螺栓外部 套接销套之后插入力传感器的滑块端安装孔中将力传感器安装在滑块上， 所述力传感器可以绕销套转动。
8. 根据权利要求 4或 5所述的滑块式电动推杆， 其特征是， 所述滑块上设置有销柱， 销柱端头上具有销 柱孔， 所述销柱插入所述滑块端安装孔将力传感器安装在滑块上， 在销柱端头还设置有螺钉。
9. 根据权利要求 1所述的滑块式电动推杆， 其特征是， 在滑块上与力传感器的安装连接处设置有第一凸 台， 而在滑块另一端设置有第二凸台。
10. 根据权利要求 1所述的滑块式电动推杆， 其特征是， 在滑块的两侧分别各设置有凹槽， 在每一侧凹槽 上各设置有力传感器。
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