CN213297578U

CN213297578U - Driving part for heavy-duty hinge body driving device

Info

Publication number: CN213297578U
Application number: CN202021879973.4U
Authority: CN
Inventors: 黄万强
Original assignee: Sichuan Xingmen Technology Co ltd
Current assignee: Sichuan Xingmen Technology Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-05-28
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a drive division for heavily carrying formula hinge body drive arrangement belongs to mechanical equipment's technical field, and this drive division includes: the box body is internally and rotatably provided with an output shaft; one end of the connecting rod is provided with a sleeve seat sleeved on the output shaft, and the interior of the sleeve seat is assembled and connected with the output shaft through a revolute pair; the connecting rod bearing is sleeved outside the sleeve seat and located on the same rotating axis with the sleeve seat, and the connecting rod bearing is installed in the box body, so that the purpose of long-term stable work can be achieved by optimizing the assembly mode between the connecting rod and the output shaft, designing the joint bearing which provides the degree of freedom at the end part of the connecting rod, and bearing the heavy load bending moment generated by the movement of the connecting rod.

Description

Driving part for heavy-duty hinge body driving device

Technical Field

The utility model belongs to the technical field of mechanical equipment, particularly, relate to a drive division for heavily carrying formula hinge body drive arrangement.

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) in the existing driving device, torque needs to be transmitted between an output shaft and a connecting rod, and the output shaft also needs to bear bending moment provided by the connecting rod, so that the phenomenon that the output shaft is easy to damage when running under heavy load is caused.

SUMMERY OF THE UTILITY MODEL

In view of this, in order to solve the above-mentioned problem that prior art exists, the utility model aims at providing a drive part for heavily loaded hinge body drive arrangement is in order to reach through the assembly methods of optimizing between connecting rod and the output shaft, and provides the joint bearing of degree of freedom at the tip design of connecting rod, can bear the produced heavy load moment of flexure of connecting rod motion, and then realizes the purpose of long-term stable work.

The utility model discloses the technical scheme who adopts does: a drive section for a heavy-duty hinge body drive device, the drive section comprising:

the box body is internally and rotatably provided with an output shaft;

one end of the connecting rod is provided with a sleeve seat sleeved on the output shaft, and the interior of the sleeve seat is assembled and connected with the output shaft through a revolute pair;

and the connecting rod bearing is sleeved outside the sleeve seat and positioned on the same rotating axis with the sleeve seat, and the connecting rod bearing is arranged in the box body.

Further, two ends of the output shaft are mounted in the box body through output shaft bearings, so that the output shaft can rotate accurately in the box body.

Further, the revolute pair includes:

a spline provided on an end portion of the output shaft;

the spline groove is arranged in the sleeve seat and matched with the spline;

to ensure that the output shaft can transmit torque to the connecting rod.

Furthermore, the other end of the connecting rod is provided with a joint bearing, and the connecting rod can axially rotate around the X direction, the Y direction and the Z direction through the joint bearing so as to meet the fault tolerance requirement of the connecting rod in the movement process.

Further, fixed connection and the cooperation structure for preventing relative rotation between the outer lane of joint bearing and the connecting rod between the two to reduce the assembly degree of difficulty between joint bearing and the connecting rod.

Furthermore, the matching structure comprises a locking head arranged on the joint bearing and a locking groove arranged at the end part of the connecting rod, the notch of the locking groove is designed to be rectangular, triangular, polygonal or tooth-shaped, the locking head is matched with the locking groove and is embedded in the locking groove, and various shapes can be adaptively selected according to actual processing conditions and can meet the requirement of preventing relative rotation.

Further, the output shaft is provided with a gear transmission set for driving the output shaft to rotate, so that the transmission of power is realized through the gear transmission set.

Furthermore, the end of the output shaft is provided with a clamp spring, the clamp spring abuts against the sleeve seat and limits the sleeve seat through the clamp spring, so that the stability of the connecting rod after installation is ensured.

Furthermore, the box body is internally provided with a mounting groove matched with the connecting rod bearing, one end of the connecting rod bearing is tightly propped against the sleeve seat, and the other end of the connecting rod bearing is tightly propped against the mounting groove, so that the bending moment load is transmitted to the box body through the connecting rod bearing to be borne.

The utility model has the advantages that:

1. by adopting the driving part for the heavy-duty hinge body driving device provided by the utility model, the transmission of torque is realized by adopting the revolute pair between the connecting rod and the output shaft through the optimized design of the assembling mode between the connecting rod and the driving part, and the output shaft ensures the normal rotation thereof through the bearing of the output shaft; meanwhile, in the motion process of the connecting rod, the transmission of the bending moment of the connecting rod to the box body is realized through the connecting rod bearing so as to prevent the output shaft from being deformed or damaged by a larger bending moment load, so that the driving part can bear the larger bending moment load in the driving process of the connecting rod, and the reliable guarantee is provided for the long-term stable work of the driving device.

Drawings

Fig. 1 is a schematic view of an overall structure of a driving portion of a heavy-duty hinge body driving device according to the present invention in practical use;

fig. 2 is a schematic overall structure diagram of a driving portion of the heavy-duty hinge body driving device provided by the present invention;

fig. 3 is a schematic view of an overall split structure of a driving part of the heavy-duty hinge body driving device provided by the present invention;

fig. 4 is a partial structural schematic view of a driving portion of the heavy-duty hinge body driving apparatus provided in the present invention;

FIG. 5 is a schematic illustration of the disassembled structure of FIG. 4;

fig. 6 is a schematic view of a split structure of a connecting rod used in a heavy-duty hinge body driving device provided by the present invention;

FIG. 7 is a schematic partial cross-sectional view of FIG. 2;

the drawings are labeled as follows:

the door comprises a door body 1, a connecting rod 2, a driving part 3, a guide rail assembly 4, a door frame 5, a sleeve seat 6, an output shaft 7, a gear transmission group 8, a box body 9, a snap spring 10, a connecting rod bearing 11, an output shaft bearing 12 and a joint bearing 13.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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, as 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, in the present invention, 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 position or the positional relationship is based on the position or the positional relationship shown in the drawings, or the position or the positional relationship that the utility model is usually placed when using, or the position or the positional relationship that the skilled person conventionally understands, or the position or the positional relationship that the utility model is usually placed when using, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or suggest that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus, 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 unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases for a person of ordinary skill in the art; the drawings in the embodiments are provided to clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Example 1

As shown in fig. 1, a driving portion for a heavy-duty hinge body driving device is specifically provided, in this embodiment, a vertical hinged door is taken as an example, the vertical hinged door includes a door body and a door frame which are connected in a hinged manner, and under the effect of the driving device, the door body performs an opening or closing motion relative to the door frame.

The door body and the door frame are respectively provided with a driving part and a guide rail assembly, the driving part mainly provides driving force action through a motor and a gearbox, the driving part transmits torque to the guide rail assembly through a connecting rod, and under the combined action of the driving part and the guide rail assembly, opening and closing actions between the door body and the door frame are completed.

When the driving part provides driving force for the connecting rod, torque is only transmitted between the output shaft and the connecting rod, and the bending moment of the connecting rod on the driving part is transmitted to the box body to bear, so that stable work can be guaranteed under heavy load. Therefore, the driving part is optimally designed as follows:

as shown in fig. 2, the power transmission device comprises a box body, the output shaft is installed in the box body through an output shaft bearing, so that the output shaft is rotatably arranged in the box body, the output shaft bearing is sleeved at the upper end and the lower end of the output shaft, the output shaft bearing is installed on a corresponding assembly position in the box body, and the output shaft performs power transmission with a motor through a gear transmission set, so that the functional requirements of the output shaft are met.

In order to further improve the driving device and work, the connecting rod and the output shaft only transmit torque, and the bending moment on the connecting rod is born by the box body, as shown in fig. 3 and fig. 5, the following design is adopted:

connect the one end of connecting rod on the output shaft through the revolute pair, in this embodiment, the revolute pair is: the outer wall of the end part of the output shaft is provided with a spline, the end part of the connecting rod is provided with a sleeve seat matched with the output shaft, the sleeve seat and the connecting rod are integrally formed, a spline groove matched with the spline is formed in the sleeve seat, the sleeve seat at the end part of the connecting rod is sleeved on the output shaft, and the spline groove are matched with each other to realize synchronous rotation between the connecting rod and the output shaft. Preferably, the end part of the output shaft is provided with a snap spring, and after the sleeve seat of the connecting rod is sleeved on the end part of the output shaft, the snap spring is installed on the output shaft so as to limit and lock the sleeve seat of the connecting rod and the output shaft.

As shown in fig. 4 and 7, a connecting rod bearing is sleeved outside the sleeve seat, the connecting rod bearing and the sleeve seat are located on the same rotation axis, that is, the connecting rod bearing and the rotation axis of the revolute pair are located on the same straight line, and the outer ring of the connecting rod bearing is installed and fixed on the box body, so that the revolute pair is installed on the box body through the connecting rod bearing. Specifically, a mounting groove is formed in the box body and is matched with the connecting rod bearing, the connecting rod bearing is installed in the mounting groove, the sleeve seat is sleeved with the inner ring of the connecting rod bearing, the end portion of the sleeve seat is abutted to one end of the connecting rod bearing, and the sleeve seat of the connecting rod is locked on the output shaft and transmits torque through the output shaft under the action of the clamp spring.

Based on the design, in the work, the bending moment on the connecting rod can be transmitted to the connecting rod bearing through the sleeve seat of the connecting rod, and then transmitted to the box body by the connecting rod bearing to bear, so that the driving device can still work stably for a long time under heavy load.

Because one end of the connecting rod is assembled on the output shaft through the sleeve seat, in order to realize that the connecting rod can axially rotate around three degrees of freedom in the X direction, the Y direction and the Z direction in the moving process, the other end of the connecting rod is provided with the joint bearing, and the connecting rod has enough fault-tolerant capability in the direction of the degree of freedom of axial rotation around the X direction, the Y direction and the Z direction through the joint bearing, as shown in fig. 2 and 6, the specific design is as follows:

the joint bearing is connected to the connecting rod, an outer ring of the joint bearing is fixedly connected with the connecting rod, and a matching structure for preventing relative rotation is arranged between the outer ring of the joint bearing and the connecting rod, so that the outer ring of the joint bearing and the connecting rod can synchronously rotate. Wherein, the locking groove of cooperation structure for locating the connecting rod tip is equipped with the locking head on joint bearing's outer lane, the notch in locking groove includes but is not limited to: the locking head is matched with the locking groove and can be embedded in the locking groove.

In this embodiment, the notch of the locking groove adopts a tooth shape, the locking head is composed of a plurality of tooth columns, each tooth column is located on the outer ring of the joint bearing, the locking head on the outer ring of the joint bearing is embedded into the locking groove at the end part of the connecting rod, the locking head and the locking groove are assembled, the purpose of limiting rotation between the connecting rod and the outer ring of the joint bearing is achieved, firm connection between the connecting rod and the joint bearing is realized, and after the connecting rod and the joint bearing are assembled, the end part of the connecting rod and the outer ring of the joint bearing are connected into a whole through welding.

The driving part for the heavy-duty hinge body driving device provided by the embodiment has the following installation and working processes:

s1: firstly, respectively installing a driving part and a guide rail assembly on a door body and a door frame;

s2: an output shaft of the driving part is installed and locked with one end of the connecting rod through a revolute pair, and meanwhile, the other end of the connecting rod is fixedly connected with an outer ring of the joint bearing through a matching structure.

The assembly between the driving part and the connecting rod is completed, and then the driving part provides driving force to realize the rotating motion of the door body relative to the door frame.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. A drive section for a heavy-duty hinge body drive device, characterized by comprising:

the box body is internally and rotatably provided with an output shaft;

the connecting rod bearing is sleeved outside the sleeve seat and positioned on the same rotating axis with the sleeve seat, and the connecting rod bearing is arranged in the box body.

2. The driving part for the heavy-duty hinge body driving device according to claim 1, wherein both ends of the output shaft are mounted in the case through output shaft bearings.

3. The drive section for a heavy-duty hinge body drive device according to claim 1, wherein said revolute pair comprises:

a spline provided on an end portion of the output shaft;

locate the spline groove in the cover seat, and spline groove and spline phase-match.

4. The drive section for a heavy-duty hinge body drive device according to claim 1, wherein the other end of the link is provided with a knuckle bearing by which axial rotation of the link about the X direction, the Y direction and the Z direction is achieved.

5. The driving portion of claim 4, wherein the outer ring of the knuckle bearing is fixedly connected with the connecting rod, and the outer ring of the knuckle bearing and the connecting rod are in a fit structure for preventing relative rotation.

6. The drive unit according to claim 5, wherein the engagement structure comprises a locking head provided on the joint bearing and a locking groove provided at an end of the link, and a notch of the locking groove is formed in a rectangular shape, a triangular shape, a polygonal shape or a tooth shape, and the locking head is fitted into the locking groove.

7. The drive section for a heavy-duty hinge body drive device according to claim 1, wherein said output shaft is provided with a gear transmission set for driving rotation thereof.

8. The driving portion of claim 1, wherein a clamp spring is disposed at an end of the output shaft, and the clamp spring abuts against the socket and is limited by the clamp spring.

9. The driving unit as claimed in claim 8, wherein the housing has a mounting groove for receiving the connecting rod bearing, one end of the connecting rod bearing is abutted against the housing, and the other end of the connecting rod bearing is abutted against the mounting groove.