Planetary reducer input gear shaft

Abstract

The utility model relates to the technical field of planetary gear reducers, in particular to an input gear shaft of a planetary reducer, which comprises a connecting base, a mounting ring, an input shaft and an input sun gear, the input shaft is fixedly arranged at one end of the mounting ring far away from the connecting base, and the input sun gear is fixedly arranged at one end of the input shaft far away from the input shaft. The end, away from the input sun gear, of the connecting base, the end, away from the input sun gear, of the installing circular ring and the end, away from the input sun gear, of the input shaft are all provided with assembling holes, and the external assembly and the input gear shaft of the planetary reducer are fixed through the assembling holes. Therefore, the problem that in the prior art, a convex shaft of the input gear shaft of the planetary reducer slips and idles at a concave hole is solved, and the service life of the planetary reducer provided with the input gear shaft of the planetary reducer is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of planetary gear reducers, in particular to an input gear shaft of a planetary reducer. Background Art

[0002] Planetary reducer is a commonly used mechanical transmission component that can reduce the motor speed and increase the output torque. Planetary reducer has the advantages of high precision, strong rigidity, small size, compact structure and easy installation, and is widely used in the machinery industry.

[0003] However, the planetary reducer input gear shaft in the transmission planetary reducer is composed of an input sun gear and an input shaft. When assembling the planetary reducer input gear shaft, the convex shaft part of the input sun gear needs to be press-fitted into the concave hole of the input shaft. However, after a certain period of use, the planetary reducer input gear shaft composed of the press-fit input sun gear and input shaft has the problem of slipping and idling at the concave hole, which affects the service life of the planetary reducer. Utility Model Content

[0004] The purpose of the utility model is to provide a planetary reducer input gear shaft, which solves the problem that the planetary reducer input gear shaft composed of a press-fit input sun gear and an input shaft in the prior art has the problem of slipping and idling of the convex shaft at the concave hole after a certain period of use, thereby affecting the service life of the planetary reducer.

[0005] To achieve the above-mentioned purpose, the utility model provides a planetary reducer input gear shaft, which includes a connecting base, a mounting ring, an input shaft and an input sun gear. The mounting ring is provided on the upper surface of the connecting base, the input shaft is fixedly provided at one end of the mounting ring away from the connecting base, the input sun gear is fixedly provided at one end of the input shaft away from the input shaft, the tooth portion of the input sun gear is arranged in an inclined structure, and the connecting base, the mounting ring and the end of the input shaft away from the input sun gear are all provided with assembly holes.

[0006] Wherein, a gap is arranged on a side of the mounting ring close to the connecting base.

[0007] Among them, a deformation groove is also provided on the connecting base, and the deformation groove is located below the gap. The end of the deformation groove close to the connecting base is connected with the assembly hole, and installation grooves and threaded holes are respectively provided on both sides of the deformation groove. The installation groove and the threaded hole are provided with installation through holes on one side close to the threaded hole.

[0008] Wherein, a transition section is arranged at one end of the input shaft close to the input sun gear, and the outer surface of the transition section is arranged in an arc-shaped structure.

[0009] Wherein, an annular groove is arranged on the outer surface of the input shaft.

[0010] The utility model discloses a planetary reducer input gear shaft, comprising a connecting base, a mounting ring, an input shaft and an input sun gear, wherein the input shaft is fixedly arranged at one end of the mounting ring away from the connecting base, and the input sun gear is fixedly arranged at one end of the input shaft away from the input shaft, and the fixing of an external component to the planetary reducer input gear shaft is completed by setting the assembly hole, and since the input sun gear is fixedly connected to the input shaft, the input sun gear and the input shaft are made in an integrally formed manner, thereby avoiding the problem of the convex shaft of the planetary reducer input gear shaft slipping and idling at the concave hole in the prior art, thereby improving the service life of the planetary reducer equipped with the planetary reducer input gear shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a structural schematic diagram of the input gear shaft of the planetary reducer provided by the utility model.

[0013] Figure 2 It is a bottom schematic diagram of the input gear shaft of the planetary reducer provided by the utility model.

[0014] Figure 3 It is a side view of the input gear shaft of the planetary reducer provided by the utility model.

[0015] 101-connecting base, 102-mounting ring, 103-input shaft, 104-input sun gear, 105-assembly hole, 106-transition section, 107-annular groove, 108-gap, 109-deformation groove, 110-mounting groove, 111-threaded hole, 112-mounting through hole. DETAILED DESCRIPTION

[0016] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0017] See also Figures 1 to 3The utility model provides an input gear shaft of a planetary reducer, which comprises a connecting base 101, a mounting ring 102, an input shaft 103 and an input sun gear 104. The mounting ring 102 is arranged on the upper surface of the connecting base 101, the input shaft 103 is fixedly arranged at one end of the mounting ring 102 away from the connecting base 101, the input sun gear 104 is fixedly arranged at one end of the input shaft 103 away from the input shaft 103, the teeth of the input sun gear 104 are arranged in an inclined structure, the connecting base 101, the mounting ring 102 and the end of the input shaft 103 away from the input sun gear 104 are all arranged with an assembling hole 105, the end of the input shaft 103 close to the input sun gear 104 is arranged with a transition section 106, the outer surface of the transition section 106 is arranged in an arc structure, and the outer surface of the input shaft 103 is arranged with an annular groove 107.

[0018] In this embodiment, the external component is fixed to the input gear shaft of the planetary reducer by setting the assembly hole 105. Since the input sun gear 104 is fixedly connected to the input shaft 103, the input sun gear 104 and the input shaft 103 are made in an integrally formed manner, thereby avoiding the problem of the convex shaft of the planetary reducer input gear shaft slipping and idling at the concave hole in the prior art, thereby improving the service life of the planetary reducer equipped with the planetary reducer input gear shaft.

[0019] Furthermore, a gap 108 is provided on a side of the mounting ring 102 close to the connecting base 101, and a deformation groove 109 is also provided on the connecting base 101, and the deformation groove 109 is located below the gap 108, and the end of the deformation groove 109 close to the connecting base 101 is connected to the assembly hole 105, and mounting grooves 110 and threaded holes 111 are respectively provided on both sides of the deformation groove 109, and mounting through holes 112 are provided on the side of the mounting groove 110 and the threaded hole 111 close to the threaded hole 111.

[0020] In this embodiment, by setting the gap 108 and the deformation groove 109, the mounting through hole 112 and the threaded hole 111 cooperate with each other. When a bolt is installed at the mounting groove 110, the size of the deformation groove 109 can be changed by the bolt, so that when the external component is fixed by using the assembly hole 105, the fixing structure is more secure.

[0021] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A planetary reducer input gear shaft, characterized in that: It includes a connecting base, a mounting ring, an input shaft and an input sun gear. The mounting ring is arranged on the upper surface of the connecting base, the input shaft is fixedly arranged at one end of the mounting ring away from the connecting base, the input sun gear is fixedly arranged at one end of the input shaft away from the input shaft, the teeth of the input sun gear are arranged in an inclined structure, and the connecting base, the mounting ring and the end of the input shaft away from the input sun gear are all provided with assembly holes.

2. The planetary reducer input gear shaft according to claim 1, characterized in that: A gap is arranged on one side of the mounting ring close to the connecting base.

3. The planetary reducer input gear shaft according to claim 2, characterized in that: A deformation groove is also provided on the connecting base, and the deformation groove is located below the gap. The end of the deformation groove close to the connecting base is connected with the assembly hole. Installation grooves and threaded holes are respectively provided on both sides of the deformation groove. Installation through holes are provided on the side of the installation groove and the threaded hole close to the threaded hole.

4. The planetary reducer input gear shaft according to claim 1, characterized in that: A transition section is arranged at one end of the input shaft close to the input sun gear, and an outer surface of the transition section is arranged in an arc-shaped structure.

5. The planetary reducer input gear shaft according to claim 1, characterized in that: The outer surface of the input shaft is provided with an annular groove.

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