Harmonic reducer with pressing function

Abstract

The harmonic reducer with the pressing function comprises a shell, a first bearing is fixedly embedded in the inner bottom wall of the shell, the inner ring of the first bearing is fixedly connected with a connecting output rod, and a flexible spline is installed at the top end of the connecting output rod through a bolt. According to the device, through cooperation of the circular spline, the wave generator and the flexible spline, the device can be normally used, in the using process, the flexible spline can be conveniently supported and pressed under the cooperation of a plurality of springs and a pressing plate by installing a rotating frame capable of being rotationally supported on the bottom face of the flexible spline, and the device is convenient to use. By means of the device, the problem that the device is damaged due to the fact that deviation occurs between the flexible spline and the circular spline due to the fact that the pressure is too large when the flexible spline is used can be prevented, and the problem that the whole harmonic reducer is pressed externally generally through an existing device is effectively solved. However, the harmonic reducer is not internally provided with a pressing device.

Description

Technical Field

[0001] The utility model relates to the field of harmonic reducers, in particular to a harmonic reducer with a pressing function. Background Technique

[0002] A harmonic reducer is a speed reduction device mainly composed of three internal gear rigid wheels, a flexible gear, and a wave generator that causes radial deformation of the flexible gear. Compared with ordinary reducers, the harmonic reducer has the advantages of high precision and high bearing capacity, so it is widely used.

[0003] Chinese patent with publication number CN214946190U discloses a harmonic reducer with a pressing function, including a harmonic reducer. A first moving mechanism is installed on the harmonic reducer, a pressing mechanism is installed on the first moving mechanism, an output mechanism is installed at the lower end of the harmonic reducer, a second moving mechanism is fixedly connected to one end of the harmonic reducer away from the output mechanism, and a limiting mechanism is installed on the second moving mechanism. However, there are still some deficiencies in the existing device. The existing device generally presses the entire harmonic reducer externally, and there is no pressing device inside the harmonic reducer itself. For this reason, we propose a harmonic reducer with a pressing function to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a harmonic reducer with a pressing function to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A harmonic reducer with a pressing function includes a housing. The inner bottom wall of the housing is fixedly inlaid with a first bearing. The inner ring of the first bearing is fixedly connected to a connecting output rod. The top end of the connecting output rod is installed with a flexible spline through bolts. A circular sliding groove is opened on the inner wall of the housing. A circular slider is slidably connected inside the circular sliding groove. The inner ring of the circular slider is fixedly connected to a rotating frame. A plurality of springs are installed inside the rotating frame. The top ends of each spring are commonly fixedly connected to a pressing plate. The upper surface of the pressing plate is in contact with the bottom surface of the flexible spline. A circular spline is installed above the housing. A cover plate is installed above the circular spline through bolts. The bottom surface of the cover plate is fixedly inlaid with a second bearing. The inner ring of the second bearing is fixedly connected to a connecting rod. The bottom end of the connecting rod is fixedly connected to a wave generator.

[0007] In a further embodiment, the outer surface of the housing is fixedly connected with a plurality of mounting blocks, and each mounting block is provided with a mounting hole at the bottom surface.

[0008] In a further embodiment, a plurality of elongated sliding grooves are formed in the inner wall of the rotating frame, and a plurality of elongated sliding blocks are fixedly connected to the outer surface of the pressing plate, and each of the elongated sliding grooves is adapted to the elongated sliding block.

[0009] In a further embodiment, a connecting plate is fixedly connected to the bottom surface of the connecting output rod, and a plurality of connecting holes are formed in the bottom surface of the connecting plate.

[0010] In a further embodiment, a driving device is fixedly connected to the top end of the connecting rod, and an instruction label is pasted on the upper surface of the cover plate.

[0011] In a further embodiment, a mounting frame is fixedly connected to the bottom surface of the driving device, and the bottom surface of the mounting frame is threadedly connected to the cover plate through a plurality of bolts.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] A harmonic reducer with a pressing function according to the present utility model can enable the device to be used normally through the cooperation of a circular spline, a wave generator and a flexible spline. And during the use process, by installing a rotatable support rotating frame on the bottom surface of the flexible spline, with the cooperation of a plurality of springs and a pressing plate, it can conveniently support and press the flexible spline, thereby preventing the flexible spline from deviating between the flexible spline and the circular spline due to excessive pressure during use, resulting in damage to the device. Therefore, through this device, the problem that the existing devices generally press the entire harmonic reducer externally and there is no pressing device inside the harmonic reducer itself is effectively solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 FIG. is a three-dimensional structural schematic diagram of a harmonic reducer with a pressing function.

[0015] Figure 2 FIG. is a front sectional structural schematic diagram of a harmonic reducer with a pressing function.

[0016] Figure 3 FIG. is a top sectional structural schematic diagram of a harmonic reducer with a pressing function.

[0017] Figure 4 FIG. is a bottom structural schematic diagram of a harmonic reducer with a pressing function.

[0018] In the figure: 1. Outer shell; 2. Circular spline; 3. Cover plate; 4. Mounting bracket; 5. Instruction label; 6. Second bearing; 7. Flexible spline; 8. Driving device; 9. Pressing plate; 10. Spring; 11. Rotating frame; 12. First bearing; 13. Connecting output rod; 14. Connecting plate; 15. Circular slider; 16. Circular chute; 17. Wave generator; 18. Connecting rod; 19. Longitudinal slider; 20. Longitudinal chute; 21. Mounting block; 22. Mounting hole; 23. Connecting hole. Detailed implementation manner

[0019] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0020] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "mount", "connect", "couple" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1-4, in the present utility model, a harmonic reducer with a pressing function includes a housing 1. A first bearing 12 is fixedly embedded in the inner bottom wall of the housing 1. The inner ring of the first bearing 12 is fixedly connected to a connecting output rod 13. The top end of the connecting output rod 13 is installed with a flexible spline 7 through bolts. A circular sliding groove 16 is formed in the inner wall of the housing 1. A circular slider 15 is slidably connected inside the circular sliding groove 16. The inner ring of the circular slider 15 is fixedly connected to a rotating frame 11. A plurality of springs 10 are installed inside the rotating frame 11. The top ends of each spring 10 are commonly fixedly connected to a pressing plate 9. The upper surface of the pressing plate 9 is in contact with the bottom surface of the flexible spline 7. A circular spline 2 is installed above the housing 1. A cover plate 3 is installed above the circular spline 2 through bolts. A second bearing 6 is fixedly embedded in the bottom surface of the cover plate 3. The inner ring of the second bearing 6 is fixedly connected to a connecting rod 18. The bottom end of the connecting rod 18 is fixedly connected to a wave generator 17. By installing a rotatable support rotating frame 11 on the bottom surface of the flexible spline 7, with the cooperation of a plurality of springs 10 and the pressing plate 9, it is possible to conveniently support and press the flexible spline 7, thereby preventing deviation between the flexible spline 7 and the circular spline 2 due to excessive pressure during use.

[0023] A plurality of mounting blocks 21 are fixedly connected to the outer surface of the housing 1. Mounting holes 22 are formed in the bottom surface of each mounting block 21. A plurality of elongated sliding grooves 20 are formed in the inner wall of the rotating frame 11. A plurality of elongated sliders 19 are fixedly connected to the outer surface of the pressing plate 9. Each elongated sliding groove 20 is adapted to the elongated slider 19, which can make the device run more smoothly.

[0024] The bottom surface of the connecting output rod 13 is fixedly connected to a connecting plate 14. A plurality of connecting holes 23 are formed in the bottom surface of the connecting plate 14. The top end of the connecting rod 18 is fixedly connected to a driving device 8. An instruction label 5 is pasted on the upper surface of the cover plate 3. The bottom surface of the driving device 8 is fixedly connected to a mounting bracket 4. The bottom surface of the mounting bracket 4 is threadedly connected to the cover plate 3 through a plurality of bolts, which facilitates the installation of the driving device 8.

[0025] The working principle of the present utility model is:

[0026] When using this harmonic reducer with a pressing function, first, the staff places the device in a suitable position and checks various components in the device to ensure the normal operation of the device. Then, the flexible spline 7 in the device is installed inside the housing 1, and the bottom surface of the flexible spline 7 is supported and pressed by a plurality of springs 10 and the pressing plate 9 installed in the housing 1. Then, the circular spline 2, the wave generator 17, the cover plate 3, and the driving device 8 in the device are installed. Finally, under the operation of the staff, the device is installed in a suitable position.

[0027] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

[0028] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A harmonic reducer with a clamping function, characterized in that: The invention comprises a housing (1), wherein the inner bottom wall of the housing (1) is fixedly inlaid with a first bearing (12), the inner ring of the first bearing (12) is fixedly connected with a connecting output rod (13), the top end of the connecting output rod (13) is installed with a flexible spline (7) via bolts, the inner wall of the housing (1) is provided with a circular slide groove (16), the inside of the circular slide groove (16) is slidably connected with a circular slider (15), the inner ring of the circular slider (15) is fixedly connected with a rotating frame (11), and the inside of the rotating frame (11) is installed with a plurality of springs (10), the top of each of the springs (10) is fixedly connected to a clamping plate (9), the upper surface of the clamping plate (9) is in contact with the bottom surface of the flexible spline (7), a circular spline (2) is installed above the housing (1), a cover plate (3) is installed above the circular spline (2) by bolts, a second bearing (6) is fixedly embedded on the bottom surface of the cover plate (3), the inner ring of the second bearing (6) is fixedly connected to a connecting rod (18), and the bottom end of the connecting rod (18) is fixedly connected to a wave generator (17).

2. The harmonic reducer with a clamping function according to claim 1, characterized in that: A plurality of mounting blocks (21) are fixedly connected to the outer surface of the housing (1), and a mounting hole (22) is provided on the bottom surface of each mounting block (21).

3. The harmonic reducer with a clamping function according to claim 1, characterized in that: The inner wall of the rotating frame (11) is provided with a plurality of elongated sliding grooves (20), the outer surface of the pressing plate (9) is fixedly connected with a plurality of elongated sliding blocks (19), and each of the elongated sliding grooves (20) is adapted to the elongated sliding block (19).

4. The harmonic reducer with a clamping function according to claim 1, characterized in that: A connecting plate (14) is fixedly connected to the bottom surface of the connecting output rod (13), and a plurality of connecting holes (23) are provided on the bottom surface of the connecting plate (14).

5. The harmonic reducer with a clamping function according to claim 1, characterized in that: The top end of the connecting rod (18) is fixedly connected to a driving device (8), and an instruction label (5) is pasted on the upper surface of the cover plate (3).

6. The harmonic reducer with a clamping function according to claim 5, characterized in that: The bottom surface of the driving device (8) is fixedly connected to a mounting frame (4), and the bottom surface of the mounting frame (4) is threadedly connected to the cover plate (3) via a plurality of bolts.

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