CN210196293U - Cross axle universal joint assembly with heat dissipation capacity - Google Patents

Abstract

The utility model discloses a cross axle universal joint assembly that possesses heat-sinking capability, including the axis body, the equal fixedly connected with spindle nose all around on axis body surface, the pot head that the axis body was kept away from to the spindle nose is equipped with the axle head cover, the axle head cover is equipped with first sealing washer with the junction cover of spindle nose, the fixed frame of the equal fixedly connected with in positive surface and the back of axis body, the ring channel has been seted up to the positive surface and the back of axis body and the inner chamber that is located fixed frame, the inner chamber packing of ring channel has heat dissipation silicone grease, the axle center department at the positive surface of axis body and the back has all seted up. The utility model discloses a fixed frame, ring channel, heat dissipation silicone grease, flow oil hole, heat dissipation oil tank, oil filler point, fixed orifices, sprue, louvre, substrate layer, first heat dissipation layer and the cooperation on second heat dissipation layer are used, can carry out timely heat dissipation processing to the heat that this equipment during operation produced to the life of cross axle universal joint has been prolonged.

Description

Cross axle universal joint assembly with heat dissipation capacity

Technical Field

The utility model relates to a universal joint technical field, concretely relates to cross universal joint assembly that possesses heat-sinking capability.

Background

The universal joint is a universal joint, is a part for realizing variable-angle power transmission, is used for needing to change the position of the transmission axis direction, is a joint part of a universal transmission device of an automobile driving system, is combined with a transmission shaft and is called a universal joint transmission device, on a vehicle driven by a front engine and a rear wheel, the universal joint transmission device is arranged between an output shaft of a speed changer and an input shaft of a main speed reducer of a drive axle, the vehicle driven by the front engine and the front wheel omits the transmission shaft, and the universal joint is arranged between a front axle half shaft which is in charge of driving and steering and wheels;

the universal joint is a part for realizing variable angle power transmission, is used for changing the position of the transmission axis direction, and is a joint part of a universal transmission device of an automobile driving system. The cross shaft type rigid universal joint is a non-constant velocity universal joint widely used on an automobile, the maximum intersection angle of two adjacent shafts is allowed to be 15-20 degrees, and the cross shaft type rigid universal joint can generate heat when rotating and can cause certain damage to a body of the cross shaft type rigid universal joint after long-time use, but the existing cross shaft type rigid universal joint does not have a heat dissipation device, heat generated when the cross shaft type rigid universal joint works cannot be dissipated, and the service life of the cross shaft type rigid joint is further shortened.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a cross universal joint assembly who possesses heat-sinking capability possesses advantages such as heat-sinking capability, has solved current cross universal joint and has not heat abstractor, can not carry out the work of dispelling the heat to the heat that cross universal joint during operation produced, and then has reduced cross universal joint's life's problem.

The utility model discloses a cross axle universal joint assembly with heat dissipation capacity, including the axis body, the equal fixedly connected with spindle nose all around on the surface of axis body, the one pot head that the spindle nose kept away from the axis body is equipped with the spindle nose cover, the pot head covers with the junction cover of spindle nose and is equipped with first sealing washer, the positive surface and the back of axis body all fixedly connected with fixed frame, the cavity that the positive surface and the back of axis body and lie in fixed frame has seted up the ring channel, the inner chamber packing of ring channel has heat dissipation silicone grease, the axle center department of the positive surface and the back of axis body has all seted up the oil flow hole, the inner chamber threaded connection of fixed frame has the heat dissipation oil tank, the oil filler pipe that the heat dissipation oil tank lies in fixed frame cavity one side axle center of inner chamber is connected with the inner chamber screw thread of oil flow hole, the oil filler point has been seted up to the, the inner cavity of the fixed hole is provided with a block, and the block is in threaded connection with the oil filling hole.

Preferably, the periphery of one side, away from the axis body, of the heat dissipation oil tank is provided with heat dissipation holes, the surface of each heat dissipation hole is provided with a limiting hole, the two sides of the bottom of the inner cavity of each limiting hole are provided with mounting holes, the inner cavity of each mounting hole is fixedly connected with a spring, the inner cavity of each limiting hole is provided with a cover plate, and the bottom of each cover plate is fixedly connected with the spring.

Preferably, the inner cavity of the heat dissipation oil tank is fixedly connected with an oil-proof breathable film on the surface of the heat dissipation hole, and the oil-proof breathable film is made of PTFE (polytetrafluoroethylene) materials.

Preferably, the top of the fixed frame is fixedly connected with a second sealing ring, and an inner cavity of the second sealing ring is in close contact with the heat dissipation oil tank.

Preferably, the heat dissipation oil tank includes the substrate layer, the surface cladding of substrate layer has first heat dissipation layer, the surface cladding of first heat dissipation layer has the second heat dissipation layer.

Preferably, the substrate layer adopts the copper product material to make, first heat dissipation layer adopts graphite material to make, second heat dissipation layer adopts aluminum alloy material to make.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a fixed frame, ring channel, heat dissipation silicone grease, flow oil hole, heat dissipation oil tank, oil filler point, fixed orifices, sprue, louvre, substrate layer, first heat dissipation layer and the cooperation on second heat dissipation layer are used, can carry out timely heat dissipation processing to the heat that this equipment during operation produced to the life of cross axle universal joint has been prolonged.

2. The utility model discloses a set up the louvre, the heat that will dispel the heat the oil tank inner chamber that can be better carries out the thermal treatment, better assurance going on of heat dissipation work, through setting up spring and apron, can seal the louvre, and can utilize the heat that the during operation produced to promote the apron, better assurance going on of heat dissipation work, through setting up grease proofing ventilated membrane, the heat dissipation oil that can avoid the heat dissipation oil tank inner chamber leaks from the inner chamber of louvre, better assurance going on of heat dissipation work, through setting up the substrate layer, first heat dissipation layer and second heat dissipation layer, can utilize the characteristic of material itself to carry out the thermal treatment, better assurance the radiating effect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural view of the utility model;

FIG. 2 is a schematic view of the connection structure between the axle body and the cooling oil tank of the present invention;

fig. 3 is a schematic structural view of a cross-sectional view of the heat-dissipating oil tank of the present invention;

fig. 4 is an enlarged schematic view of a portion of the structure at a in fig. 2 according to the present invention;

fig. 5 is an enlarged schematic view of a portion of the structure at B in fig. 2 according to the present invention.

In the figure: 1. a shaft body; 2. a shaft head; 3. a shaft head sleeve; 4. a first seal ring; 5. a fixing frame; 6. an annular groove; 7. heat dissipation silicone grease; 8. a flow oil hole; 9. a heat dissipation oil tank; 10. an oil filler hole; 11. a fixing hole; 12. Blocking; 13. heat dissipation holes; 14. a limiting hole; 15. mounting holes; 16. a spring; 17. a cover plate; 18. An oil-proof breathable film; 19. a second seal ring; 20. a substrate layer; 21. a first heat dissipation layer; 22. and a second heat dissipation layer.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-5, a universal joint cross assembly with heat dissipation capability of the present invention comprises a shaft body 1, a shaft head 2 is fixedly connected around the surface of the shaft body 1, a shaft head sleeve 3 is sleeved on an end of the shaft head 2 away from the shaft body 1, a first sealing ring 4 is sleeved on a joint of the shaft head sleeve 3 and the shaft head 2, a fixing frame 5 is fixedly connected on the front surface and the back surface of the shaft body 1, a second sealing ring 19 is fixedly connected on the top of the fixing frame 5, an inner cavity of the second sealing ring 19 is in close contact with a heat dissipation oil tank 9, an annular groove 6 is formed on the front surface and the back surface of the shaft body 1 and in the inner cavity of the fixing frame 5, an inner cavity of the annular groove 6 is filled with heat dissipation silicone grease 7, oil flow holes 8 are formed on the axial centers of the front surface and the back surface of the shaft body 1, an inner cavity of the fixing frame, the surface of the first heat dissipation layer 21 is coated with the second heat dissipation layer 22, the base material layer 20 is made of a copper material, the first heat dissipation layer 21 is made of a graphite material, the second heat dissipation layer 22 is made of an aluminum alloy material, through the arrangement of the base material layer 20, the first heat dissipation layer 21 and the second heat dissipation layer 22, heat dissipation treatment can be carried out by utilizing the characteristics of the materials per se, the heat dissipation effect is better ensured, heat dissipation holes 13 are formed in the periphery of one side, away from the shaft body 1, of the heat dissipation oil tank 9, through the arrangement of the heat dissipation holes 13, heat dissipation treatment can be better carried out on heat in the inner cavity of the heat dissipation oil tank 9, heat dissipation work is better ensured, limiting holes 14 are formed in the surface of the heat dissipation holes 13, mounting holes 15 are formed in two sides of the bottom of the inner cavity of the limiting holes 14, springs 16 are fixedly connected to the inner cavity of, through arranging the spring 16 and the cover plate 17, the heat dissipation hole 13 can be sealed, and the cover plate 17 can be pushed by heat generated during working, so as to better ensure the proceeding of heat dissipation work, an oil-proof breathable film 18 is fixedly connected to the surface of the heat dissipation hole 13 in the inner cavity of the heat dissipation oil tank 9, the oil-proof breathable film 18 is made of PTFE material, through arranging the oil-proof breathable film 18, the leakage of heat dissipation oil in the inner cavity of the heat dissipation oil tank 9 from the inner cavity of the heat dissipation hole 13 can be avoided, the proceeding of heat dissipation work is better ensured, an oil filling pipe of the heat dissipation oil tank 9 at the axle center of one side of the inner cavity of the fixed frame 5 is in threaded connection with the inner cavity of the oil flow hole 8, an oil filling hole 10 is arranged at the axle center of one side of the heat dissipation oil tank 9 far from the axle body 1, the sprue 12 is in threaded connection with the oil filling hole 10, and the sprue 12 and the oil filling hole are used in a matched mode through the fixing frame 5, the annular groove 6, the heat dissipation silicone grease 7, the oil flow hole 8, the heat dissipation oil tank 9, the oil filling hole 10, the fixing hole 11, the sprue 12, the heat dissipation hole 13, the base material layer 20, the first heat dissipation layer 21 and the second heat dissipation layer 22, so that heat generated during working of the equipment can be dissipated timely, and the service life of the universal joint of the cross shaft is prolonged.

In use the utility model discloses the time, the sprue 12 is opened to the staff, pour into the heat dissipation oil into through oil filler point 10 to the inner chamber of heat dissipation oil tank 9, the heat dissipation oil passes through the inner chamber that the oiling pipe pours into axis body 1, accomplish the packing of heat dissipation raw materials, when cross axle universal joint assembly work, absorb the heat through the heat dissipation oil, further absorbed heat through heat dissipation silicone grease 7, then through substrate layer 20, the characteristic of first heat dissipation layer 21 and second heat dissipation layer 22 itself carries out the heat dissipation treatment, when the heat of heat dissipation oil tank 9 inner chamber was too high, the heat will upwards promote apron 17, louvre 13 will be opened at this moment and carry out the heat dissipation treatment.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (6)

1. The utility model provides a cross universal joint assembly that possesses heat-sinking capability which characterized in that: comprises a shaft body (1), wherein the periphery of the surface of the shaft body (1) is fixedly connected with shaft heads (2), one end of each shaft head (2) far away from the shaft body (1) is sleeved with a shaft head sleeve (3), the joint of each shaft head sleeve (3) and each shaft head (2) is sleeved with a first sealing ring (4), the front surface and the back surface of the shaft body (1) are fixedly connected with fixed frames (5), the front surface and the back surface of the shaft body (1) and an inner cavity of each fixed frame (5) are respectively provided with an annular groove (6), the inner cavity of each annular groove (6) is filled with heat-dissipating silicone grease (7), the axle centers of the front surface and the back surface of the shaft body (1) are respectively provided with a flow oil hole (8), the inner cavity of each fixed frame (5) is in threaded connection with a heat-dissipating oil tank (9), and the oil tank (9) is positioned at, oil filler point (10) have been seted up to axle center department that axis body (1) one side was kept away from in heat dissipation oil tank (9), fixed orifices (11) have been seted up to one side that axis body (1) was kept away from in heat dissipation oil tank (9) and the periphery that is located oil filler point (10), the inner chamber of fixed orifices (11) is provided with sprue (12), sprue (12) and oil filler point (10) threaded connection.

2. The universal joint pin assembly with heat dissipation capability of claim 1, wherein: all seted up louvre (13) around axle body (1) one side is kept away from in heat dissipation oil tank (9), spacing hole (14) have been seted up on the surface of louvre (13), mounting hole (15) have all been seted up to the both sides of spacing hole (14) inner chamber bottom, the inner chamber fixedly connected with spring (16) of mounting hole (15), the inner chamber of spacing hole (14) is provided with apron (17), the bottom and spring (16) fixed connection of apron (17).

3. The universal joint pin assembly with heat dissipation capability of claim 1, wherein: the inner cavity of the heat dissipation oil tank (9) is fixedly connected with an oil-proof breathable film (18) on the surface of the heat dissipation hole (13), and the oil-proof breathable film (18) is made of PTFE materials.

4. The universal joint pin assembly with heat dissipation capability of claim 1, wherein: the top fixedly connected with second sealing washer (19) of fixed frame (5), the inner chamber and the radiating oil tank (9) in close contact with of second sealing washer (19).

5. The universal joint pin assembly with heat dissipation capability of claim 1, wherein: the heat dissipation oil tank (9) comprises a base material layer (20), the surface of the base material layer (20) is coated with a first heat dissipation layer (21), and the surface of the first heat dissipation layer (21) is coated with a second heat dissipation layer (22).

6. The universal joint pin assembly with heat dissipation capability of claim 5, wherein: the base material layer (20) adopts the copper product to make, first heat dissipation layer (21) adopt graphite material to make, second heat dissipation layer (22) adopt aluminum alloy material to make.

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