Flange shaft connecting structure of planetary gear speed reducer

Abstract

The utility model provides a planetary gear speed reducer flange shaft connecting structure which comprises a speed reducer shell, a planetary gear set, an input shaft, an output flange shaft, an output shell, a connecting flange shaft and a connecting and fixing mechanism, the planetary gear set is installed in the speed reducer shell, and the output shell is installed on the right end face of the speed reducer shell. An input shaft is installed on the left end face of the planetary gear set, a flange input shaft is installed on the right end face of the planetary gear set, a connecting and fixing mechanism is installed on the right end face of the flange input shaft, and a connecting flange shaft is installed on the right end face of the connecting and fixing mechanism. By means of the design, the problems that when an original device is used, two shaft bodies are prone to sliding when the two shaft bodies are preliminarily fixed, and using is troublesome are solved, the connecting and fixing mechanism is designed, the two shaft bodies can be rapidly and preliminarily fixed together when connected, the two shaft bodies do not slide when further fixed, and the connecting and fixing mechanism is simple in structure and convenient to use. And the use is more convenient and quicker.

Description

TECHNICAL FIELD

[0001] The utility model relates to a flange shaft connecting structure of planetary gear reducer belongs to the axle class spare technical field. BACKGROUND

[0002] The flange shaft is suitable for various industrial equipment, and is used in office appliances such as printers and fax machines, and rotary motors and automobile gearboxes, and the working conditions of the flange shaft are very complex, and the flange shaft is subjected to the interaction of various periodic stresses such as bending, torsion, vibration, friction and thermal stress in the working process.

[0003] The utility model discloses a kind of flange shaft connecting structures of new planetary reducer, by the cooperation of connecting key and strip slot, prevent when locating shaft in shaft body connection, from front to back sway and further influence its connection, it is convenient to improve the positioning accuracy between shaft body, but when using, the sliding of shaft body is prone to when preliminarily fixed to two shaft bodies, it is more troublesome when using, now there is an urgent need for a kind of flange shaft connecting structure of planetary gear reducer to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a flange shaft connecting structure of planetary gear reducer to solve the problems raised in the background art, the utility model designs a connecting and fixing mechanism, which can quickly preliminarily fix two shaft bodies together when connecting, and the two shaft bodies will not slide when further fixed, making it more convenient and fast to use.

[0005] In order to achieve the above object, the utility model is through the following technical scheme to realize: a kind of flange shaft connecting structure of planetary gear reducer, including reducer shell, planetary gear set, input shaft, output flange shaft, output shell, connecting flange shaft and connecting fixed mechanism, the inside of the reducer shell is installed with planetary gear set, the right end surface of the reducer shell is installed with output shell, the left end surface of the planetary gear set is installed with input shaft, the right end surface of the planetary gear set is installed with flange input shaft, the right end surface of the flange input shaft is installed with connecting fixed mechanism, the right end surface of the connecting fixed mechanism is installed with connecting flange shaft, the planetary gear set includes internal gear, sun gear, planetary gear, planetary gear carrier and output gear, the inside of the reducer shell is installed with internal gear, the inside of the internal gear is installed with sun gear, the circumferential surface of the sun gear is installed with planetary gear, the right end surface of the sun gear is installed with output gear, the right end of the output gear is installed with output flange shaft, the connecting fixed mechanism includes connecting column, center rotating shaft, driving shaft, spring baffle, return spring, clamping block, spring slot and limit strip, the inside of the connecting column is installed with center rotating shaft, the left end of the center rotating shaft is provided with driving shaft, the circumferential surface of the connecting column is provided with three spring slots, the inside of each spring slot is installed with return spring, the outside surface of the return spring is installed with clamping block, the inside surface of the return spring is installed with spring baffle, the circumferential surface of the center rotating shaft is installed with three connecting ropes, and the circumferential surface of the connecting column is fixed with six limit strips.

[0006] Further, the input shaft penetrates the left end surface of the reducer shell, the planetary gear penetrates the surface of the planetary gear carrier, the planetary gear is engaged with the internal gear, and the planetary gear is engaged with the sun gear.

[0007] Further, the output gear is engaged with the left end surface of the output flange shaft, the output flange shaft is located inside, the right end surface of the output flange shaft is provided with a connecting hole, the left end surface of the connecting flange shaft is provided with a connecting hole, and the two groups of connecting holes correspond to each other.

[0008] Further, the six limit strips are evenly located on the circumferential surface of the connecting column, the inside surface of the connecting flange shaft is provided with a clamping groove, the circumferential surface of the clamping groove is provided with six limit grooves, the position and size of each limit groove are the same as those of the corresponding limit strip, the inside surface of the connecting flange shaft is provided with three fixing grooves, and the cross-sectional size of the fixing groove is the same as that of the clamping block.

[0009] Further, the driving shaft is connected with the connecting column through threads, an inner hexagonal hole is arranged on the outer side surface of the driving shaft, the inner side of the driving shaft is engaged with the left end of the central rotating shaft, the clamping block is connected with the central rotating shaft through the connecting rope, the connecting rope is located in the reset spring, and the surface of the connecting column is provided with an axle hole.

[0010] The planet gear reducer flange shaft connecting structure has the advantages that the connecting column, the axle hole, the central rotating shaft, the driving shaft, the spring baffle, the reset spring, the clamping block, the spring groove, the limiting strip and the connecting rope are added, the device has a reasonable structure and good practicability, a connecting and fixing mechanism is designed, two shaft bodies can be quickly and preliminarily fixed together when being connected, the two shaft bodies will not slide when being further fixed, and the device is more convenient and fast to use. BRIEF DESCRIPTION OF DRAWINGS

[0011] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments with reference to the attached drawings:

[0012] Figure 1 Fig. 1 is a whole structure perspective view of the planet gear reducer flange shaft connecting structure of the present application;

[0013] Figure 2 Fig. 2 is an exploded view of the planet gear reducer flange shaft connecting structure of the present application;

[0014] Figure 3 Fig. 3 is a planet gear set connecting view of the planet gear reducer flange shaft connecting structure of the present application;

[0015] Figure 4 Fig. 4 is a rear perspective view of the planet gear set of the planet gear reducer flange shaft connecting structure of the present application;

[0016] Figure 5 Fig. 5 is a cross-sectional view of the connecting flange shaft connecting and fixing mechanism of the planet gear reducer flange shaft connecting structure of the present application;

[0017] Figure 6 Fig. 6 is a three-dimensional view of the connecting flange shaft central rotating shaft of the planet gear reducer flange shaft connecting structure of the present application;

[0018] In the figure: 1 - reducer housing, 2 - planetary gear set, 21 - inner ring gear, 22 - sun gear, 23 - planetary gear, 24 - planetary gear carrier, 25 - output gear, 3 - input shaft, 4 - output flange shaft, 5 - output housing, 6 - connecting flange shaft, 61 - clamping groove, 7 - connecting fixing mechanism, 71 - connecting column, 711 - shaft hole, 72 - central rotating shaft, 73 - driving shaft, 74 - spring baffle, 75 - return spring, 76 - clamping block, 77 - spring groove, 78 - limiting strip, 79 - connecting rope. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0020] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a planetary gear 23 reducer flange shaft connecting structure, including reducer housing 1, planetary gear 23 group 2, input shaft 3, output flange shaft 4, output housing 5, connecting flange shaft 6 and connecting fixing mechanism 7, the inside of reducer housing 1 is installed with planetary gear 23 group 2, reducer housing 1 right end surface is installed with output housing 5, the left end surface of planetary gear 23 group 2 is installed with input shaft 3, the right end surface of flange input shaft 3 is installed with connecting fixing mechanism 7, the right end surface of connecting fixing mechanism 7 is installed with connecting flange shaft 6, planetary gear 23 group 2 includes inner ring gear 21, sun gear 22, planetary gear 23, planetary gear carrier 24 and output gear 25, the inside of reducer housing 1 is installed with inner ring gear 21, the inside of inner ring gear 21 is installed with sun gear 22, the circumferential surface of sun gear 22 is installed with planetary gear 23, the right end surface of sun gear 22 is installed with output gear 25, the right end of output gear 25 is installed with output flange shaft 4, connecting fixing mechanism 7 includes connecting column 71, central rotating shaft 72, driving shaft 73, spring baffle 74, return spring 75, clamping block 76, spring groove 77 and limiting strip 78, the inside of connecting column 71 is installed with central rotating shaft 72, the left end of central rotating shaft 72 is provided with driving shaft 73, the circumferential surface of connecting column 71 is provided with three spring grooves 77, the inside of each spring groove 77 is installed with return spring 75, the outside surface of return spring 75 is installed with clamping block 76, the inside surface of return spring 75 is installed with spring baffle 74, three connecting ropes 79 are installed on the circumferential surface of central rotating shaft 72, six limiting strips 78 are fixed on the circumferential surface of connecting column 71, the design solves the problem that shaft body is prone to sliding when two shaft bodies are preliminarily fixed in the use of original device, which is more troublesome in use.

[0021] As a first embodiment of the utility model: input shaft 3 runs through the left end face of speed reducer shell 1, planetary gear 23 runs through the surface of planetary gear frame 24, planetary gear 23 and internal gear 21 are engaged with each other, planetary gear 23 and sun gear 22 are engaged with each other, output gear 25 and the left end face of output flange shaft 4 are engaged with each other, output flange shaft 4 is located inside, the right end face of output flange shaft 4 is provided with connecting hole, the left end face of connecting flange shaft 6 is provided with connecting hole, and the two groups of connecting holes correspond to each other, six limit strips 78 are evenly located on the circumferential surface of connecting column 71, the inner side surface of connecting flange shaft 6 is provided with clamping groove 61, the circumferential surface of clamping groove 61 is provided with six limit grooves, the position and size of each limit groove are same with corresponding limit strip 78, the inner side surface of connecting flange shaft 6 is provided with three fixed slots, the cross-sectional dimension of fixed slot is same with the cross-sectional dimension of clamping block 76, by adding limit strip 78, driving shaft 73 is connected with connecting column 71 through thread, the outer side surface of driving shaft 73 is provided with internal hexagon hole, the inner side of driving shaft 73 and the left end of central rotating shaft 72 are engaged with each other, clamping block 76 is connected with central rotating shaft 72 through connecting rope 79, connecting rope 79 is located inside reset spring 75, the surface of connecting column 71 is provided with shaft hole 711, and the cross section of shaft hole 711 and driving shaft 73 is concentric circle.

[0022] As a second embodiment of the utility model: when connecting output flange shaft 4 and connecting flange shaft 6, first, use internal hexagonal spanner to drive driving shaft 73, driving shaft 73 rotates and drives central rotating shaft 72 to rotate, when central rotating shaft 72 rotates, connecting rope 79 is wound on the circumferential surface of central rotating shaft 72, so that connecting rope 79 pulls clamping block 76 to translate to the inner side until the outer side surface of clamping block 76 is flush with the circumferential surface of connecting column 71, at this time, reset spring 75 is compressed and shortened, then the right end of connecting column 71 is installed into clamping groove 61, when not completely entering clamping groove 61, reverse rotate driving shaft 73, so that the rope is not wound on central rotating shaft 72, clamping block 76 is contacted by the inner side surface of connecting column 71 at this time, until connecting column 71 completely enters clamping groove 61, reset spring 75 will push clamping block 76 into fixed slot, so that connecting rope 79 is straightened again, at this time, output flange shaft 4 and connecting flange shaft 6 are preliminarily connected together, further connected by bolt.

[0023] The basic principle and main features of the present application and the advantages of the present application are shown and described above. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0024] In addition, it should be understood that, although the present application is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A flange shaft connection structure of a planetary gear reducer, comprising a reducer housing, a planetary gear set, an input shaft, an output flange shaft, an output housing, a connecting flange shaft and a connecting fixing mechanism, characterized in that: The inside of the speed reducer shell is internally provided with a planetary gear set, the right end face of the speed reducer shell is provided with an output shell, the left end face of the planetary gear set is provided with an input shaft, the right end face of the planetary gear set is provided with a flange input shaft, the right end face of the flange input shaft is provided with a connecting and fixing mechanism, and the right end face of the connecting and fixing mechanism is provided with a connecting flange shaft; The planetary gear set comprises an inner ring gear, a sun gear, a planetary gear, a planetary gear carrier and an output gear, the inside of the speed reducer shell is internally provided with an inner ring gear, the inside of the inner ring gear is internally provided with a sun gear, the circumferential surface of the sun gear is provided with a planetary gear, the right end face of the sun gear is provided with an output gear, and the right end of the output gear is provided with an output flange shaft; The connecting and fixing mechanism comprises a connecting column, a central rotating shaft, a driving shaft, a spring baffle, a reset spring, a clamping block, a spring groove and a limiting strip, the inside of the connecting column is internally provided with a central rotating shaft, the left end of the central rotating shaft is provided with a driving shaft, the circumferential surface of the connecting column is provided with three spring grooves, the inside of each spring groove is internally provided with a reset spring, the outside surface of the reset spring is provided with a clamping block, the inside surface of the reset spring is provided with a spring baffle, the circumferential surface of the central rotating shaft is provided with three connecting ropes, and the circumferential surface of the connecting column is fixedly provided with six limiting strips.

2. The flange shaft connection structure of a planetary gear reducer according to claim 1, characterized in that: The input shaft penetrates through the left end face of the speed reducer shell, the planetary gear penetrates through the surface of the planetary gear carrier, the planetary gear and the inner ring gear are mutually engaged, and the planetary gear and the sun gear are mutually engaged.

3. The flange shaft connection structure of a planetary gear reducer according to claim 1, characterized in that: The output gear and the left end face of the output flange shaft are mutually engaged, the output flange shaft is located inside, the right end face of the output flange shaft is provided with a connecting hole, the left end face of the connecting flange shaft is provided with a connecting hole, and the two groups of connecting holes correspond to each other.

4. The flange shaft connection structure of a planetary gear reducer according to claim 1, characterized in that: The six limiting strips are uniformly located on the circumferential surface of the connecting column, the inside surface of the connecting flange shaft is provided with a clamping groove, the circumferential surface of the clamping groove is provided with six limiting grooves, the position and size of each limiting groove are same as those of the corresponding limiting strip, the inside surface of the connecting flange shaft is provided with three fixing grooves, and the cross-sectional size of the fixing groove is same as that of the clamping block.

5. The flange shaft connection structure of a planetary gear reducer according to claim 1, characterized in that: The driving shaft and the connecting column are connected through threads, the outside surface of the driving shaft is provided with an internal hexagonal hole, the inside of the driving shaft and the left end of the central rotating shaft are mutually engaged, the clamping block and the central rotating shaft are connected through the connecting rope, the connecting rope is located inside the reset spring, the surface of the connecting column is provided with a shaft hole, and the cross section of the shaft hole and the driving shaft is a concentric circle.

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