阅读说明：本技术 一种铰链体驱动装置 (Hinge body driving device ) 是由 黄万强 于 2020-09-01 设计创作，主要内容包括：本发明公开了一种铰链体驱动装置,属于机械设备的技术领域,所述驱动装置包括驱动部和导轨总成,还包括输出轴、滑块轴、连杆和关节组件,所述输出轴通过连杆传递力矩至滑块轴,且输出轴和/或滑块轴可拆卸装配于连杆上；所述输出轴与驱动部传动连接,滑块轴装配于关节组件内,且通过关节组件实现滑块轴在Z向的平动动作以及绕X向、Y向和Z向的轴向旋转动作；所述关节组件装于导轨总成上且通过导轨总成实现滑块轴在X向和Y向的平动动作,以达到通过优化连杆的方案设计,并提升六个自由度的容错能力,以实现长期稳定工作的目的。(The invention discloses a hinge body driving device, which belongs to the technical field of mechanical equipment, and comprises a driving part, a guide rail assembly, an output shaft, a sliding block shaft, a connecting rod and a joint assembly, wherein the output shaft transmits torque to the sliding block shaft through the connecting rod, and the output shaft and/or the sliding block shaft are/is detachably assembled on the connecting rod; the output shaft is in transmission connection with the driving part, the sliding block shaft is assembled in the joint component, and the sliding block shaft can perform translational motion in the Z direction and axial rotation motion around the X direction, the Y direction and the Z direction through the joint component; the joint component is arranged on the guide rail assembly, and the translation motion of the sliding block shaft in the X direction and the Y direction is realized through the guide rail assembly, so that the aim of realizing long-term stable work by optimizing the scheme design of the connecting rod and improving the fault-tolerant capability of six degrees of freedom is fulfilled.)

1. The hinge body driving device is characterized by comprising a driving part, a guide rail assembly, an output shaft, a slider shaft, a connecting rod and a joint assembly, wherein the output shaft transmits torque to the slider shaft through the connecting rod, and the output shaft and/or the slider shaft are/is detachably assembled on the connecting rod;

the output shaft is in transmission connection with the driving part, the sliding block shaft is assembled in the joint component, and the sliding block shaft can perform translational motion in the Z direction and axial rotation motion around the X direction, the Y direction and the Z direction through the joint component; the joint component is arranged on the guide rail assembly and realizes the translational motion of the slide block shaft in the X direction and the Y direction through the guide rail assembly.

2. The hinge body driving apparatus as claimed in claim 1, wherein the output shaft and/or the slider shaft are assembled to the link by a locking assembly and fixedly locked by a screw.

3. The hinge body driving device as claimed in claim 2, wherein the locking assembly comprises a locking male head disposed at an end of the connecting rod, the output shaft and/or the slider shaft is provided with a locking female head, and a fitting structure for preventing relative rotation is provided between the locking male head and the locking female head.

4. The hinge body driving device according to claim 3, wherein the locking pin is formed in a rectangular shape, a triangular shape, a polygonal shape or a tooth shape, and both end portions of the link are formed in the same type of locking pin or two types of locking pins which are different from each other.

5. The hinge body driving device according to claim 1, wherein the joint assembly comprises a slider fitting mounted on the guide rail assembly, an axial limit ring and a joint bearing are mounted in the slider fitting, and the joint bearing limits the Z-direction of the slider fitting through the axial limit ring; the inner ring of the knuckle bearing is movably sleeved with the slider shaft along the Z direction, and a clamp spring is arranged at the end part of the slider shaft.

6. The hinge body driving device according to claim 1, wherein the joint assembly comprises a slider fitting mounted on the guide rail assembly, a joint bearing is movably sleeved in the slider fitting along the Z direction, the slider shaft is fixedly sleeved on an inner ring of the joint bearing, and a clamp spring is arranged at an end of the slider shaft.

7. The hinge body driving device as claimed in claim 5 or 6, wherein the guide rail assembly comprises a guide rail mounting shell and a linear guide rail mounted in the guide rail mounting shell, the linear guide rail is slidably equipped with a linear guide rail slider, and the linear guide rail slider performs translational motion in the X direction and the Y direction of the linear guide rail.

8. The hinge body driving device according to claim 7, wherein the linear guide rail sliding block is provided with a sliding groove, and the sliding groove is nested on the linear guide rail.

9. The hinge body driving device according to claim 7, wherein a stepped hole is formed in the slider fitting, the axial retainer ring and the knuckle bearing are assembled in the stepped hole, and one end of the axial retainer ring abuts against the linear guide slider and the other end abuts against the knuckle bearing.

10. The hinge body driving device according to claim 7, wherein the slider fitting has a fitting hole formed therein, the fitting hole being matched with an outer race of the joint bearing, and the joint bearing freely slides in the fitting hole in the Z direction.

Technical Field

The invention belongs to the technical field of mechanical equipment, and particularly relates to a hinge body driving device.

Background

Two objects move relatively around the hinge in space, for example: in the application of a side hung door or a side hung window which is visible in our daily life; if the relative movement of two objects is to be controlled automatically, a corresponding driving device is required to be applied, in the prior art, the driving device mainly consists of three major parts, namely a driving part, a connecting rod and a guide rail assembly, but the driving device in the prior art mainly has the following defects in practical application:

(1) the connecting rod is high in machining difficulty, so that the manufacturing cost is high, and meanwhile, the existing connecting rod is high in difficulty and easy to deform in the installation process;

(2) the motion directions of two relative motions are not parallel due to processing, installation errors and the like, but the fault-tolerant capability of the existing driving device in six degrees of freedom (including translation in 3 orthogonal directions and the rotating directions of a shaft corresponding to the 3 orthogonal directions) directions is poor, and the long-term stable operation of the device cannot be ensured.

Disclosure of Invention

In view of the above, in order to solve the above problems in the prior art, the present invention provides a hinge body driving apparatus to achieve the purpose of achieving stable operation for a long time by optimizing the design of a link and improving the fault tolerance of six degrees of freedom.

The technical scheme adopted by the invention is as follows: a hinge body driving device comprises a driving part, a guide rail assembly, an output shaft, a slider shaft, a connecting rod and a joint assembly, wherein the output shaft transmits torque to the slider shaft through the connecting rod, and the output shaft and/or the slider shaft are/is detachably assembled on the connecting rod;

the output shaft is in transmission connection with the driving part, the sliding block shaft is assembled in the joint component, and the sliding block shaft can perform translational motion in the Z direction and axial rotation motion around the X direction, the Y direction and the Z direction through the joint component; the joint component is arranged on the guide rail assembly and realizes the translational motion of the slide block shaft in the X direction and the Y direction through the guide rail assembly.

Furthermore, the output shaft and/or the sliding block shaft are assembled on the connecting rod through the locking assembly and are fixedly locked through the screw, so that torque can be stably and reliably transmitted between the output shaft and the sliding block shaft through the connecting rod.

Further, the locking subassembly is including locating the public head of locking of connecting rod tip, be equipped with the female head of locking on output shaft and/or the slider axle, for preventing relative pivoted cooperation structure between public head of locking and the female head of locking, the design of this cooperation structure is favorable to reducing the assembly degree of difficulty and the processing degree of difficulty of connecting rod to can reduce the processing cost.

Further, the locking male heads are rectangular, triangular, polygonal or toothed, and two ends of the connecting rod are the same or two different locking male heads to meet different design requirements.

Furthermore, the joint component comprises a slide block accessory arranged on the guide rail assembly, an axial limiting ring and a joint bearing are arranged in the slide block accessory, and the joint bearing limits the slide block accessory in the Z direction through the axial limiting ring; the inner ring of the knuckle bearing is movably sleeved with the slider shaft along the Z direction, and the end part of the slider shaft is provided with a clamp spring so as to realize that the slider shaft can make translational motion in the Z direction and the slider shaft makes axial rotation around the X direction, the Y direction and the Z direction under the action of the knuckle bearing.

Furthermore, the joint component comprises a sliding block accessory arranged on the guide rail assembly, a joint bearing is movably sleeved in the sliding block accessory along the Z direction, the sliding block shaft is fixedly sleeved on an inner ring of the joint bearing, and a clamp spring is arranged at the end part of the sliding block shaft, so that the sliding block shaft can make translational motion in the Z direction and can make axial rotation around the X direction, the Y direction and the Z direction under the action of the joint bearing.

Further, the guide rail assembly comprises a guide rail mounting shell and a linear guide rail mounted in the guide rail mounting shell, a linear guide rail sliding block is assembled on the linear guide rail in a sliding mode, and the linear guide rail sliding block performs translational motion in the X direction and the Y direction of the linear guide rail so as to finally realize translational motion in the X direction and the Y direction.

Furthermore, the sliding groove is formed in the linear guide rail sliding block and is embedded on the linear guide rail, and the mode is stable and reliable in the motion process.

Furthermore, a stepped hole is formed in the slider fitting, the axial limiting ring and the knuckle bearing are assembled in the stepped hole, one end of the axial limiting ring is abutted to the linear guide rail slider, and the other end of the axial limiting ring is abutted to the knuckle bearing, so that the knuckle bearing is mounted and limited through the axial limiting ring.

Furthermore, an assembly hole is formed in the slider fitting, the assembly hole is matched with an outer ring of the joint bearing, and the joint bearing freely slides in the assembly hole along the Z direction so as to meet the requirement of the translational motion of the joint bearing in the Z direction.

The invention has the beneficial effects that:

1. by adopting the hinge body driving device provided by the invention, the assembly mode among the connecting rod, the output shaft and the sliding block shaft is optimally designed, and the machining difficulty of the connecting rod can be reduced and the manufacturing cost can be saved under the action of the detachable assembly and the locking assembly; meanwhile, the sliding block shaft is arranged on the guide rail assembly through the joint assembly, and under the action of the joint assembly and the guide rail assembly, the sliding block shaft can have enough fault tolerance in six freedom directions, so that the stability and the reliability of the whole driving device in the motion process are improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a hinge body driving apparatus provided in the present invention;

fig. 2 is a schematic view of a disassembled structure of the hinge body driving device provided by the invention in embodiment 1;

FIG. 3 is a schematic partial cross-sectional view of FIG. 2;

fig. 4 is a schematic view of a disassembled structure of the hinge body driving device provided by the invention in embodiment 2;

FIG. 5 is a schematic partial cross-sectional view of FIG. 4;

FIG. 6 is a schematic view of a first structure of a connecting rod in the hinge body driving device provided by the present invention;

FIG. 7 is a schematic view of a second structure of a connecting rod in the hinge body driving apparatus provided by the present invention;

the drawings are labeled as follows:

the sliding block type door comprises a door body 1, a door frame 2, a driving part 3, a connecting rod 4, a guide rail mounting shell 5, a linear guide rail 6, a linear guide rail sliding block 7, an axial limiting ring 8, a sliding block fitting 9, a joint bearing 10, a sliding block shaft 11, an output shaft 12, a snap spring 13, a locking male head 14 and a locking female head 15.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that the indication of the orientation or the positional relationship is based on the orientation or the positional relationship shown in the drawings, or the orientation or the positional relationship which is usually placed when the product of the present invention is used, or the orientation or the positional relationship which is usually understood by those skilled in the art, or the orientation or the positional relationship which is usually placed when the product of the present invention is used, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, cannot be understood as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be further noted that the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases by those skilled in the art; the drawings in the embodiments are used for clearly and completely describing the technical scheme in the embodiments of the invention, and obviously, the described embodiments are a part of the embodiments of the invention, but not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.