Outer coupling member of constant velocity universal coupling

Abstract

The utility model discloses an outer side coupling member of a constant velocity universal coupling, which comprises a cup-shaped part and a shaft member, the shaft member is arranged at the tail end of the cup-shaped part, a cup seat is fixed at the tail end of the cup-shaped part, an outer spline is fixed at the center of the bottom of the cup seat, an inner spline is arranged at the center of the top of the shaft member, and the inner spline is fixed at the center of the bottom of the cup seat. The outer spline is inserted into the inner spline, and a reinforcing module is arranged at the joint of the cup base and the shaft component. The shaft component is fixed at the bottom of the cup-shaped part through a detachable structure, so that the shaft component can be conveniently and freely assembled according to the length requirements of different vehicle types on the shaft component, and the processing convenience is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of outer couplings, in particular to an outer coupling component of a constant velocity universal coupling. Background Art

[0002] The outer coupling member has a cup-shaped portion and a shaft portion, a raceway groove for rolling the torque transmission member is formed on the inner circumferential surface of the cup-shaped portion, and the shaft portion extends axially from the bottom of the cup-shaped portion. In most cases, the cup-shaped portion and the shaft portion are integrally formed by performing plastic processing such as forging, thinning and stretching processing, cutting, heat treatment, grinding, etc. on a solid rod-shaped material (round bar).

[0003] The length of the long-rod type shaft varies depending on the vehicle model, but is generally around 300 to 400 mm. Since the shaft of the long-rod type outer coupling member is long, it is difficult to form the cup-shaped portion and the shaft with high precision, which increases the difficulty of processing. Therefore, it is necessary to design an outer coupling member of a constant velocity universal joint. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an outer coupling component of a constant velocity universal coupling, in which the shaft component is fixed to the bottom of the cup-shaped portion by a detachable structure, which is convenient for free assembly according to the length requirements of different vehicle models, thereby greatly improving the convenience of processing.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an outer coupling component of a constant velocity universal coupling, comprising a cup-shaped portion and a shaft component, the rear end of the cup-shaped portion is provided with a shaft component, the rear end of the cup-shaped portion is fixed with a cup seat, an external spline is fixed at the bottom center of the cup seat, an internal spline is provided at the top center of the shaft component, the external spline is plugged into the inside of the internal spline, and a reinforcement module is provided at the connection between the cup seat and the shaft component.

[0006] Preferably, the reinforcement module comprises an upper T-slot, a threaded connection portion, a lower T-slot, an external reinforcement nut and a connection sheet;

[0007] An upper T-slot is symmetrically provided on the cup seat, and a lower T-slot is symmetrically provided on the top of the shaft component. The upper T-slot and the lower T-slot are connected to form a positioning groove, and a connecting piece is clamped inside the positioning groove. The outer walls of the cup seat and the shaft component are provided with a threaded connection part, and an external reinforcement nut is screwed on the threaded connection part.

[0008] Preferably, the connecting piece is an I-shaped connecting piece.

[0009] Preferably, a slot is provided at the tail end of the threaded connection portion of the shaft member, and a clamping ring in contact with the tail end of the external reinforcement nut is clamped inside the slot.

[0010] Preferably, the cup-shaped portion, the cup seat and the external spline are integrally formed.

[0011] The beneficial effects of the utility model are:

[0012] The shaft component is fixed to the bottom of the cup-shaped portion through a detachable structure, which facilitates free assembly according to the length requirements of the shaft component for different vehicle models, greatly improving the convenience of processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a schematic diagram of the overall planar structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall explosion structure of the utility model;

[0016] Numbers in the figure: 1, cup-shaped part; 2, shaft component; 3, reinforcement module; 4, clamping ring; 5, cup seat; 6, external spline; 7, upper T-slot; 8, threaded connection part; 9, internal spline; 10, lower T-slot; 11, clamping groove; 12, external reinforcement nut; 13, connecting piece. DETAILED DESCRIPTION

[0017] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0018] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model 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 therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0019] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0020] Depend on Figure 1 and Figure 2 The utility model provides the following technical solutions: an outer coupling member of a constant velocity universal coupling, comprising a cup-shaped portion 1 and a shaft member 2, the rear end of the cup-shaped portion 1 is provided with the shaft member 2, a cup seat 5 is fixed to the rear end of the cup-shaped portion 1, an external spline 6 is fixed at the bottom center of the cup seat 5, an internal spline 9 is provided at the top center of the shaft member 2, the external spline 6 is plugged into the inside of the internal spline 9, a reinforcement module 3 is provided at the connection between the cup seat 5 and the shaft member 2, the external spline 6 at the bottom of the cup-shaped portion 1 is plugged into the inside of the internal spline 9 at the top of the shaft member 2, and then reinforced by the reinforcement module 3, the shaft member 2 is fixed to the bottom of the cup-shaped portion 1 by a detachable structure, which is convenient for free assembly according to the length requirements of the shaft member 2 of different vehicle models, greatly improving the convenience of processing.

[0021] Preferably, the reinforcement module 3 includes an upper T-slot 7, a threaded connection portion 8, a lower T-slot 10, an external reinforcement nut 12 and a connection piece 13;

[0022] The cup holder 5 is symmetrically provided with an upper T-slot 7, and the top of the shaft member 2 is symmetrically provided with a lower T-slot 10. The upper T-slot 7 and the lower T-slot 10 are connected to form a positioning groove, and a connecting piece 13 is clamped inside the positioning groove. The outer wall of the cup holder 5 and the shaft member 2 is provided with a threaded connection part 8, and an external reinforcement nut 12 is screwed on the threaded connection part 8. The external reinforcement nut 12 is screwed onto the shaft member 2, and then the external spline 6 at the bottom of the cup-shaped part 1 is inserted into the internal spline 9 at the top of the shaft member 2, and the outer spline 6 at the bottom of the cup-shaped part 1 is inserted into the inner spline 9 at the top of the shaft member 2, and the outer spline 6 at the bottom of the cup-shaped part 1 is screwed into the inner spline 9 at the top of the shaft member 2. The upper T-slot 7 on the cup holder 5 is precisely docked with the lower T-slot 10 on the shaft member 2 to form a complete I-shaped positioning groove, and then the I-shaped connecting piece 13 is snapped into the inside of the I-shaped positioning groove, and then the external reinforcement nut 12 is rotated to rotate it to the threaded connection part 8 at the connection between the cup holder 5 and the shaft member 2, and finally the top end of the external reinforcement nut 12 is pressed against the bottom of the cup-shaped part 1, which not only ensures the stability of the shaft member 2 fixed to the bottom of the cup holder 5, but also facilitates installation and disassembly.

[0023] Preferably, the connecting piece 13 is an I-shaped connecting piece.

[0024] Preferably, a slot 11 is provided at the tail end of the threaded connection portion 8 on the shaft member 2, and a clamping ring 4 in contact with the tail end of the external reinforcement nut 12 is clamped inside the slot 11, reinforcing the positioning of the external reinforcement nut 12 and preventing the external reinforcement nut 12 from sliding.

[0025] Preferably, the cup-shaped portion 1, the cup seat 5 and the external spline 6 are integrally formed, and the structural strength is high.

[0026] Working principle:

[0027] When assembling the utility model, firstly, the external reinforcement nut 12 is screwed onto the shaft member 2, then the external spline 6 at the bottom of the cup-shaped portion 1 is inserted into the internal spline 9 at the top of the shaft member 2, and the upper T-slot 7 on the cup seat 5 is precisely connected with the lower T-slot 10 on the shaft member 2 to form a complete I-shaped positioning groove, and then the I-shaped connecting piece 13 is clamped into the inside of the I-shaped positioning groove, and then the external reinforcement nut 12 is rotated to rotate it to the threaded connection part 8 at the connection between the cup seat 5 and the shaft member 2, and finally the top end of the external reinforcement nut 12 is pressed against the bottom of the cup-shaped portion 1, and finally the clamping ring 4 is clamped into the inside of the clamping groove 11, so that the clamping ring 4 is pressed against the bottom of the external reinforcement nut 12, and the shaft member 2 is fixed to the bottom of the cup-shaped portion 1 through a detachable structure, which is convenient for free assembly according to the length requirements of the shaft member 2 of different vehicle models, greatly improving the convenience of processing.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An outer coupling member of a constant velocity universal coupling, comprising a cup-shaped portion (1) and a shaft member (2), wherein the shaft member (2) is disposed at the rear end of the cup-shaped portion (1), characterized in that: A cup seat (5) is fixed to the rear end of the cup-shaped portion (1), an external spline (6) is fixed to the bottom center of the cup seat (5), an internal spline (9) is provided at the top center of the shaft component (2), the external spline (6) is plugged into the inside of the internal spline (9), and a reinforcement module (3) is provided at the connection between the cup seat (5) and the shaft component (2).

2. The outer coupling member of the constant velocity universal coupling according to claim 1, characterized in that: The reinforcement module (3) comprises an upper T-slot (7), a threaded connection portion (8), a lower T-slot (10), an external reinforcement nut (12) and a connection sheet (13); The cup seat (5) is symmetrically provided with an upper T-slot (7), and the top of the shaft member (2) is symmetrically provided with a lower T-slot (10), the upper T-slot (7) and the lower T-slot (10) are butted together to form a positioning groove, a connecting piece (13) is clamped inside the positioning groove, and the outer walls of the cup seat (5) and the shaft member (2) are provided with a threaded connection portion (8), and an external reinforcing nut (12) is screwed onto the threaded connection portion (8).

3. The outer coupling member of the constant velocity universal coupling according to claim 2, characterized in that: The connecting piece (13) is an I-shaped connecting piece.

4. The outer coupling member of the constant velocity universal coupling according to claim 2, characterized in that: A clamping groove (11) is provided on the shaft component (2) at the tail end of the threaded connection portion (8), and a clamping ring (4) in contact with the tail end of an external reinforcement nut (12) is clamped inside the clamping groove (11).

5. The outer coupling member of the constant velocity universal coupling according to claim 1, characterized in that: The cup-shaped portion (1), the cup seat (5) and the external spline (6) are integrally formed.

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