High-strength ball cage

Abstract

The utility model discloses a high-strength ball cage, belongs to the technical field of ball cages, and solves the problems that after an inner star wheel is connected with a spline, once the acting force is poor, the spline is possibly abraded due to poor connection strength of the spline and the inner star wheel, and then the inner star wheel cannot be coaxially connected with an intermediate shaft. Comprising an intermediate shaft, a connecting column fixedly connected to the intermediate shaft and a plurality of staggered main splines fixedly connected to the outer ring of the connecting column. During assembly, the dustproof cover is sleeved on the intermediate shaft, and the deformation insertion piece and the main insertion piece are inserted into the insertion groove and the groove. The dislocation of the split inner star wheel is inserted into the pit of the outer ring of the connecting column under the guide of the inclined plane, and the inserting column is inserted into the groove to clamp the deformation inserting piece, so that the split inner star wheel is prevented from being separated. And subsequently installing the steel ball, the retainer and the bell-shaped shell, and connecting the bell-shaped shell with the dust cover by using the hose clamp. The assembling structure is firm in connection, even if the spline is damaged due to dislocation, the split inner star wheel can be replaced, and the structural strength is kept.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball cage technical field especially relates to a high strength ball cage. BACKGROUND

[0002] Ball cage is a kind of key mechanical component, is widely used in the occasion such as automobile transmission shaft and steering system and needs flexible power transmission.Ball cage is flexible to transmit power at different angles through the rolling of steel ball, and is suitable for complex motion environment.Its design and manufacturing precision directly affect performance and life, and high-quality ball cage has the characteristics of high-efficiency power transmission, low noise and long life.

[0003] The ball cage is mainly connected with the inner star wheel through the spline in the actual application, and then the ball cage can limit the steel ball, but the spline groove is shallow, and once the acting force difference occurs after the inner star wheel is connected with the spline, the connection strength of the spline and the inner star wheel is poor, which may cause the spline to be worn, and then the inner star wheel cannot be coaxially connected with the intermediate shaft.

[0004] Therefore, a high-strength ball cage is proposed to solve or alleviate the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a high-strength ball cage.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A high-strength ball cage, comprising an intermediate shaft, a connecting column fixedly connected to the intermediate shaft, a plurality of staggered main splines fixedly connected to the outer circle of the connecting column, and a plurality of split inner star wheels, the inner circle of the split inner star wheel is fixedly connected with a staggered slave spline that can be embedded between adjacent staggered main splines, and when the split inner star wheel is detachably connected to the outer side of the connecting column, the connecting column limits the split inner star wheel from leaving.

[0008] Preferably, the end of the connecting column away from the intermediate shaft is recessed inward to form a groove, the outer circle of the connecting column between adjacent staggered main splines is provided with a insertion slot communicating with the groove, the staggered slave spline is fixedly connected with a deformation insert piece that can be inserted into the insertion slot and extended into the groove, and the groove is embedded with an insertion column, and the outer circle of the insertion column and the inner circle of the groove hold the deformation insert piece.

[0009] Preferably, the end of the connecting column away from the intermediate shaft is provided with a downward recessed and communicated with the groove Sunk groove, and the outer circle of the insertion column in the sunk groove is provided with a through hole.

[0010] Preferably, the cross-sectional area of the misaligned main spline is gradually reduced from the inner ring to the outer ring, and the cross-sectional area of the misaligned spline is gradually reduced from the outer ring to the inner ring.

[0011] Preferably, further comprising a retainer, and a plurality of steel balls, the retainer is sleeved outside the plurality of split inner star wheels, and the plurality of steel balls are arranged between the retainer and the split inner star wheel.

[0012] Preferably, further comprising a bell-shaped shell, the bell-shaped shell is sleeved outside the retainer.

[0013] Preferably, the outer side of the intermediate shaft is sleeved with a dust cover, and the dust cover is connected with the bell-shaped shell through a throat clamp.

[0014] The utility model has the following beneficial effects:

[0015] The utility model assembles, first dust cover is sleeved on the intermediate shaft, and is inserted into the slot and the recess in the alignment of the deformation insert piece and the main insert piece. The misaligned spline of the split inner star wheel is inserted into the recess of the connecting column outer ring under the guidance of the inclined surface, the plug-in column is inserted into the recess and clamps the deformation insert piece, so that the split inner star wheel is prevented from being separated. The steel ball, the retainer and the bell-shaped shell are installed subsequently, and the bell-shaped shell and the dust cover are connected through the throat clamp. The assembly structure is firm in connection, even if the misaligned spline is damaged, the split inner star wheel can be replaced, and the structural strength is maintained. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as the limitation to the scope. For ordinary skilled in the art, other related drawings can also be obtained without creative labor under the premise of these drawings.

[0017] Figure 1 It is the structural schematic diagram of the utility model;

[0018] Figure 2 It is the structural schematic diagram of the utility model without dust cover and bell-shaped shell;

[0019] Figure 3 It is Figure 2 The enlarged view of the middle A;

[0020] Figure 4 It is the explosion diagram of the utility model without dust cover and bell-shaped shell;

[0021] Figure 5 It is Figure 4 The enlarged view of the middle B.

[0022] 1, intermediate shaft; 2, dust cover; 3, bell housing; 4, connecting column; 5, staggered main spline; 6, slot; 7, sink groove; 8, groove; 9, plug column; 10, through hole; 11, split inner star wheel; 12, staggered slave spline; 13, main plug; 14, deformation plug; 15, retainer; 16, steel ball. DETAILED DESCRIPTION

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the following will be a clear and complete description of the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0025] It should be noted that: similar numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0026] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0027] In addition, the terms "first", "second", "third", and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0028] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] A high-strength ball cage, such as Figures 1 to 5 As shown, it includes an intermediate shaft 1, a connecting post 4 fixedly connected to the intermediate shaft 1, several misaligned main splines 5 fixedly connected to the outer ring of the connecting post 4, and several split internal star wheels 11. The inner ring of the split internal star wheel 11 is fixedly connected to a misaligned secondary spline 12 that can be embedded between adjacent misaligned main splines 5. When the split internal star wheel 11 is detachably connected to the outside of the connecting post 4, the connecting post 4 restricts the split internal star wheel 11 from leaving. The cross-sectional area of ​​the misaligned main spline 5 is gradually reduced from the inner ring to the outer ring, and the cross-sectional area of ​​the misaligned secondary spline 12 is gradually reduced from the outer ring to the inner ring.

[0030] The end of the connecting post 4 away from the intermediate shaft 1 is recessed inward to form a groove 8. The outer ring of the connecting post 4 located between adjacent misaligned main splines 5 is provided with a slot 6 communicating with the groove 8. A deformable insert 14 that can be inserted into the slot 6 and extends into the groove 8 is fixedly connected to the misaligned spline 12. A post 9 is embedded in the groove 8. The outer ring of the post 9 and the inner ring of the groove 8 are used to clamp the deformable insert 14. The end of the connecting post 4 away from the intermediate shaft 1 is provided with a recessed groove 7 that communicates with the groove 8. The outer ring of the post 9 located in the groove 7 is provided with a through hole 10.

[0031] It also includes a cage 15, several steel balls 16, and a bell-shaped shell 3. The cage 15 is fitted on the outside of several internal star wheels 11, and the several steel balls 16 are arranged between the cage 15 and the internal star wheels 11. The bell-shaped shell 3 is fitted on the outside of the cage 15. A dust cover 2 is fitted on the outside of the intermediate shaft 1. The dust cover 2 and the bell-shaped shell 3 are connected by a hose clamp.

[0032] The utility model discloses a dust cover 2 is connected through the throat hoop after the clock -shaped shell 3 is installed, can be.

[0033] The ball cage assembled through the above structure has good connecting strength between the connecting column 4 and the split inner star wheel 11, and is not easy to separate. In addition, even if the split female spline 12 is damaged, the split inner star wheel 11 can be replaced, so that the structural strength after installation and assembly is not reduced.

[0034] The above is only preferred embodiment of the utility model and is not used for limiting the utility model. For those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high strength ball cage characterized by, The utility model provides a kind of intermediate shaft (1), fixedly connected on the connecting column (4) of intermediate shaft (1), several fixedly connected in the outer circle of connecting column (4) staggered main spline (5), and several split inner star wheel (11), the inner circle of the split inner star wheel (11) is fixedly connected with the staggered from spline (12) that can be embedded between adjacent staggered main spline (5), and when the split inner star wheel (11) is detachably connected on the outside of connecting column (4), the connecting column (4) limits split inner star wheel (11) to leave.

2. A high strength ball cage according to claim 1, wherein The end of the connecting column (4) away from the intermediate shaft (1) is recessed inward to form a recess (8), the outer circle of the connecting column (4) located between adjacent staggered main spline (5) is provided with an insertion slot (6) in communication with the recess (8), the staggered from spline (12) is fixedly connected with a deformation insert piece (14) that can be inserted into the insertion slot (6) and extended into the recess (8), the recess (8) is embedded with an insertion column (9), and the outer circle of the insertion column (9) and the inner circle of the recess (8) hold the deformation insert piece (14).

3. A high strength ball cage according to claim 2, wherein, The end of the connecting column (4) away from the intermediate shaft (1) is provided with a sunken groove (7) recessed downward and in communication with the recess (8), and the outer circle of the insertion column (9) located in the sunken groove (7) is provided with a through hole (10).

4. A high strength ball cage according to claim 1, wherein The cross-sectional area of the staggered main spline (5) gradually decreases from the inner circle to the outer circle, and the cross-sectional area of the staggered from spline (12) gradually decreases from the outer circle to the inner circle.

5. A high strength ball cage according to claim 1 wherein, It further includes a retainer (15) and a plurality of steel balls (16), the retainer (15) is sleeved on the outside of the plurality of split inner star wheels (11), and the plurality of steel balls (16) are arranged between the retainer (15) and the split inner star wheels (11).

6. A high strength ball cage according to claim 5, wherein, It further includes a bell-shaped shell (3), and the bell-shaped shell (3) is sleeved on the outside of the retainer (15).

7. A high strength ball cage according to claim 6, wherein A dust cover (2) is sleeved on the outside of the intermediate shaft (1), and the dust cover (2) is connected with the bell-shaped shell (3) through a hose clamp.

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