Reinforced waveform end shaft

Abstract

The utility model relates to the technical field of end shafts, in particular to a reinforced waveform end shaft. According to the technical scheme, the end shaft comprises a mounting base plate and an end shaft body, the end shaft body is rotationally connected to the mounting base plate and composed of a basic shaft and a connecting shaft, the basic shaft is rotationally connected to the mounting base plate, a front end groove is formed in the front end of the basic shaft, the tail end of the connecting shaft is arranged in the front end groove, and the connecting shaft is arranged in the front end groove. A buffering sleeve is fixed between the outer side wall of the connecting shaft and the side wall of the front end groove, a buffering pad is fixed between the tail end of the connecting shaft and the inner wall of the front end groove, and the diameter of the connecting shaft is smaller than that of the base shaft. The end part main body is designed into a stepped structure of the basic shaft and the connecting shaft, so that the local sectional area can be increased, the strength is improved, a buffer structure is designed at the joint of the basic shaft and the connecting shaft, the transmission of impact stress is reduced, and the end shaft is protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to end shaft technical field, concretely is a kind of reinforced wave-shaped end shaft. BACKGROUND

[0002] End shaft refers to the shaft in mechanical device at one end, it is used to transmit power or movement, end shaft is the mechanical component of connecting power source and working part, it is usually located at the both ends of transmission system, for transmitting rotary motion from one component to another component.

[0003] In the process of limit connection, keyway is often used to carry out rotating shaft synchronous transmission, and the protruding end shaft can need to bear larger torque and bending force, especially in heavy industry machinery, large vehicles or heavy equipment, therefore, without end shaft strengthening protection, end shaft will appear deformation or cracking damage, cannot carry out normal transmission. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of reinforced wave-shaped end shaft to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: including installation base plate and end shaft body, the end shaft body is rotatably connected on installation base plate, the end shaft body is composed of base shaft and connecting shaft, the base shaft is rotatably connected on installation base plate, the front end of base shaft is provided with front end slot, the connecting shaft terminal end is arranged in front end slot, buffer sleeve is fixed between the outer side wall of connecting shaft and the side wall of front end slot, buffer pad is fixed between the terminal end of connecting shaft and the inner wall of front end slot, the diameter of connecting shaft is less than the diameter of base shaft.

[0006] Preferably, a group of limit posts are fixed on the periphery of the inner wall of the front end slot, a guide hole is formed in the terminal end of the connecting shaft and corresponds to the position of the limit post, and the front end of the limit post is slidably connected in the guide hole.

[0007] Preferably, keyways are formed in the front end and the outer side wall of the connecting shaft, which can increase the stress points of the connecting shaft and make the stress more uniform.

[0008] Preferably, a stabilizing sleeve is sleeved on the periphery of the base shaft, and a support frame is fixed between the outer side wall of the stabilizing sleeve and the installation base plate.

[0009] Preferably, balls are evenly installed on the inner side wall of the stabilizing sleeve, and the outer side of the balls abuts against the outer side wall of the base shaft.

[0010] Preferably, mounting holes are formed on the periphery of the installation base plate, a bearing sleeve is fixed at the center position of the installation base plate, and the base shaft is rotatably connected in the bearing sleeve.

[0011] Compared with the prior art, the end body is designed as a stepped structure of the base shaft and the connecting shaft, the local sectional area can be increased, the strength is improved, the buffer structure is designed at the connecting position of the base shaft and the connecting shaft, the transmission of the impact stress is reduced, and the end shaft is protected. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a schematic view of the side sectional structure of the reinforced wave-shaped end shaft of the utility model;

[0013] Fig. 2 It is a schematic view of the end structure of the connecting shaft of the reinforced wave-shaped end shaft of the utility model;

[0014] Fig. 3 It is a schematic view of the front appearance structure of the reinforced wave-shaped end shaft of the utility model.

[0015] In the figure: 1, mounting base plate; 11, mounting hole; 12, bearing sleeve; 2, end shaft body; 21, base shaft; 211, front end groove; 212, limiting column; 213, buffer pad; 22, connecting shaft; 221, key groove; 222, buffer sleeve; 223, guide hole; 3, stabilizing sleeve; 31, support frame. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0017] Please refer to Figs. 1-3 The utility model provides a technical scheme: including mounting base plate 1 and end shaft body 2, end shaft body 2 is rotatably connected on mounting base plate 1, end shaft body 2 is composed of base shaft 21 and connecting shaft 22, base shaft 21 is rotatably connected on mounting base plate 1, and base shaft 21 front end is provided with front end groove 211, and connecting shaft 22 end is arranged in front end groove 211, and connecting shaft 22 outer side wall is fixed with buffer sleeve 222 between front end groove 211 side wall, and connecting shaft 22 end is fixed with buffer pad 213 between front end groove 211 inner wall, and connecting shaft 22 diameter is less than base shaft 21 diameter, and mounting base plate 1 periphery is provided with mounting hole 11, and mounting base plate 1 center position is fixed with bearing sleeve 12, and base shaft 21 is rotatably connected in bearing sleeve 12.

[0018] A plurality of limiting columns 212 are fixed on the inner wall of the front end groove 211, a guide hole 223 is formed on the end of the connecting shaft 22 and corresponds to the position of the limiting column 212, the front end of the limiting column 212 is slidingly connected in the guide hole 223, and the front end and the outer side wall of the connecting shaft 22 are both provided with a key groove 221.

[0019] A stabilizing sleeve 3 is sleeved on the outer periphery of the base shaft 21, a support frame 31 is fixed between the outer side wall of the stabilizing sleeve 3 and the mounting base plate 1, and the inner side wall of the stabilizing sleeve 3 is uniformly provided with a plurality of rolling balls, and the outer side of the rolling balls abuts against the outer side wall of the base shaft 21.

[0020] Working principle: first, the base shaft 21 is installed on the mounting base plate 1 through the bearing seat, so that the base shaft 21 can rotate freely, and the limiting column 212 can drive the connecting shaft 22 to rotate synchronously, then the stabilizing sleeve 3 is sleeved on the outer side of the base shaft 21 of the end shaft body 2, so that the rolling balls in the inner side of the stabilizing sleeve 3 abut against the outer side wall of the base shaft 21, and the end of the support frame 31 fixed on the outer side of the stabilizing sleeve 3 is welded to the mounting base plate 1, in the process of rotating the base shaft 21, the stability of the end of the base shaft 21 can be increased, the risk of end shaking can be reduced, and the impact resistance can be increased by supporting protection of the support frame 31 when impacted, the impact resistance can be increased, when the end of the connecting shaft 22 is impacted, the impact stress is reduced by the buffering of the buffering pad 213 and the buffering sleeve 222 between the connecting shaft 22 and the base shaft 21, the purpose of increasing stability is achieved, and since the entire end shaft body 2 is arranged in a stepped structure of the base shaft 21 and the connecting shaft 22, the local cross-sectional area can be increased, thereby improving the strength, and the plurality of key grooves 221 arranged on the connecting shaft 22 can disperse the load, thereby further increasing the strength of the end shaft.

[0021] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or device.

[0022] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A reinforced waveform end shaft, comprising a mounting base (1) and an end shaft body (2), characterized in that: The end shaft body (2) is rotatably connected to the mounting base plate (1). The end shaft body (2) consists of a base shaft (21) and a connecting shaft (22). The base shaft (21) is rotatably connected to the mounting base plate (1). A front end groove (211) is provided at the front end of the base shaft (21). The end of the connecting shaft (22) is located in the front end groove (211). A buffer sleeve (222) is fixed between the outer side wall of the connecting shaft (22) and the side wall of the front end groove (211). A buffer pad (213) is fixed between the end of the connecting shaft (22) and the inner wall of the front end groove (211). The diameter of the connecting shaft (22) is smaller than the diameter of the base shaft (21).

2. The reinforced waveform end shaft according to claim 1, characterized in that: A set of limiting posts (212) is fixed on the outer periphery of the inner wall of the front groove (211). A guide hole (223) is opened at the end of the connecting shaft (22) and at the position corresponding to the limiting post (212). The front end of the limiting post (212) is slidably connected in the guide hole (223).

3. The reinforced waveform end shaft according to claim 1, characterized in that: The connecting shaft (22) has keyways (221) on both its front end and outer side wall.

4. The reinforced waveform end shaft according to claim 1, characterized in that: A stabilizing sleeve (3) is fitted around the base shaft (21), and a support frame (31) is fixed between the outer wall of the stabilizing sleeve (3) and the mounting base plate (1).

5. A reinforced waveform end shaft according to claim 4, characterized in that: The inner wall of the stabilizing sleeve (3) is uniformly equipped with balls, and the outer side of the balls abuts against the outer wall of the base shaft (21).

6. The reinforced waveform end shaft according to claim 1, characterized in that: The mounting base plate (1) has mounting holes (11) on its periphery. A bearing sleeve (12) is fixed at the center of the mounting base plate (1). The base shaft (21) is rotatably connected inside the bearing sleeve (12).

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