CN219975162U - Heat radiation structure of constant speed drive shaft assembly - Google Patents
Heat radiation structure of constant speed drive shaft assembly Download PDFInfo
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- CN219975162U CN219975162U CN202321645992.4U CN202321645992U CN219975162U CN 219975162 U CN219975162 U CN 219975162U CN 202321645992 U CN202321645992 U CN 202321645992U CN 219975162 U CN219975162 U CN 219975162U
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- 230000005855 radiation Effects 0.000 title abstract description 10
- 230000017525 heat dissipation Effects 0.000 claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 230000001133 acceleration Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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Abstract
The utility model discloses a heat radiation structure of a constant-speed driving shaft assembly, which comprises a driving assembly, a driving assembly and a driving assembly, wherein the driving assembly comprises a shaft rod, an outer star wheel symmetrically fixed on the outer wall of the shaft rod, a protective cover symmetrically fixed on the outer wall of the shaft rod and a toothed ring fixed in the middle of the outer wall of the shaft rod; the heat dissipation assembly comprises a circular ring sleeved on the outer side of the shaft rod, fan blades symmetrically fixed on the outer wall of the circular ring and teeth symmetrically fixed on the inner wall of the circular ring and meshed with the toothed ring; the protection component comprises a rectangular cylinder sleeved on the outer wall of the circular ring, a connecting plate fixed at the top of the rectangular cylinder, a fixing plate fixed at the top of the connecting plate, and bottom fixing holes symmetrically formed in the fixing plate, wherein an annular groove is formed in the side wall of the circular ring, so that heat generated at the outer star wheel and the protective cover is blown away by acceleration, and the influence on the service life caused by poor heat dissipation effect of the constant-speed driving shaft assembly is avoided.
Description
Technical Field
The utility model relates to the field of constant-speed driving shaft assemblies, in particular to a heat dissipation structure of a constant-speed driving shaft assembly.
Background
The constant-speed driving shaft is a mechanism for connecting two shafts with non-coincident axes and transmitting the motion of the two shafts at the same angular speed, and has the function of transmitting the power of an engine from a speed changer to driving wheels of an automobile to meet the requirement of the outer end corner of a driving shaft of the automobile, so that the power of the engine is stably and reliably transmitted to the wheels. The ball cage is a node for connecting two direction shafts and comprises an inner star wheel and an outer star wheel, wherein the outer star wheel is connected with the hub through an external spline, the inner star wheel is connected with the prime motor through a driving shaft, and the inner star wheel is sleeved in the outer star wheel.
When the outer star wheel operates in the state that the included angle of the axis is larger for a long time, the heating value of the outer star wheel is increased, so that the dust cover is heated to be damaged or the service life is shortened, the lubrication effect between the inner star wheel and the outer star wheel is influenced, the conventional constant-speed driving shaft is not provided with a heat dissipation structure, the heat dissipation effect is poor, and the service life of the constant-speed driving shaft is influenced.
Disclosure of Invention
The utility model aims to provide a heat dissipation structure of a constant-speed driving shaft assembly, which solves the problems in the prior art.
In order to achieve the above purpose, the utility model provides a heat dissipation structure of a constant-speed driving shaft assembly, which comprises a driving component, a heat dissipation component and a protection component.
The driving assembly comprises a shaft lever, an outer star wheel symmetrically fixed on the outer wall of the shaft lever, a protective cover symmetrically fixed on the outer wall of the shaft lever and a toothed ring fixed in the middle of the outer wall of the shaft lever;
the heat dissipation assembly comprises a circular ring sleeved on the outer side of the shaft rod, fan blades symmetrically fixed on the outer wall of the circular ring and teeth symmetrically fixed on the inner wall of the circular ring and meshed with the toothed ring;
the protection assembly comprises a rectangular cylinder sleeved on the outer wall of the circular ring, a connecting plate fixed at the top of the rectangular cylinder, a fixing plate fixed at the top end of the connecting plate, and bottom fixing holes symmetrically formed in the fixing plate.
As a preferable scheme of the heat radiation structure of the constant-speed driving shaft assembly, the side wall of the circular ring is provided with an annular groove.
As a preferable scheme of the heat radiation structure of the constant-speed driving shaft assembly, limit rods are symmetrically fixed on the inner wall of the rectangular cylinder, limit pieces are fixed at the ends of the limit rods, and the limit pieces are clamped in the annular grooves.
As a preferable scheme of the heat radiation structure of the constant-speed driving shaft assembly, slots are symmetrically formed in the top of the rectangular cylinder, and threaded holes are symmetrically formed in the side wall of the rectangular cylinder.
As a preferable scheme of the heat radiation structure of the constant-speed driving shaft assembly, the heat radiation structure further comprises a dust-proof plate, wherein the dust-proof plate is inserted into the slot, round holes matched with the shaft lever are formed in the side wall of the dust-proof plate, heat radiation holes are uniformly formed in the side wall, an L-shaped plate is symmetrically fixed at the top end of the heat radiation structure, and positioning holes matched with the threaded holes are formed in the side wall of the L-shaped plate.
Compared with the prior art, the utility model has the following beneficial effects:
(1) When the shaft lever rotates, the toothed ring is driven to rotate, the teeth are driven to rotate synchronously, the circular ring rotates synchronously, the fan blades rotate synchronously to generate air flow, the air flow blows to the outer star wheel and the protective cover, heat generated at the outer star wheel and the protective cover is blown away by acceleration, and the influence on the service life caused by poor heat dissipation effect of the constant-speed driving shaft assembly is avoided.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of the overall construction of a drive assembly of a constant velocity drive shaft assembly according to the present utility model;
FIG. 2 is a schematic view of a heat sink assembly of a constant velocity drive shaft assembly according to the present utility model;
FIG. 3 is a schematic view of a sampling assembly of a guard assembly of a constant velocity drive shaft assembly according to the present utility model;
FIG. 4 is a schematic view of a stop lever of a constant velocity drive shaft assembly according to the present utility model;
FIG. 5 is a schematic structural view of an adjusting assembly of a heat dissipating structure of a constant velocity drive shaft assembly according to the present utility model;
fig. 6 is a schematic view of the dust guard of a constant velocity drive shaft assembly according to the present utility model.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Fig. 1 to 6 are schematic structural views of an embodiment of a heat dissipating structure of a constant velocity drive shaft assembly according to the present utility model, referring to fig. 1 to 6, a heat dissipating structure of a constant velocity drive shaft assembly according to the present utility model includes a main body portion including a driving component 100, a heat dissipating component 200 and a shielding component 300.
The driving assembly 100 includes a shaft 110, an outer star wheel 120 symmetrically fixed on the outer wall of the shaft 110, a shield 130 symmetrically fixed on the outer wall of the shaft 110, and a toothed ring 140 fixed in the middle of the outer wall of the shaft 110;
the heat dissipation assembly 200 comprises a circular ring 210 sleeved on the outer side of the shaft 110, fan blades 220 symmetrically fixed on the outer wall of the circular ring 210, and teeth 230 symmetrically fixed on the inner wall of the circular ring 210 and meshed with the toothed ring 140;
the protection assembly 300 comprises a rectangular cylinder 310 sleeved on the outer wall of the ring 210, a connecting plate 320 fixed at the top of the rectangular cylinder 310, a fixing plate 330 fixed at the top end of the connecting plate 320, and bottom fixing holes 330a symmetrically formed in the fixing plate 330.
Specifically, the two ends of the shaft lever 110 are respectively connected to the gearbox and the wheels, after the vehicle is started, the shaft lever 110 rotates to drive the toothed ring 140 to rotate, so that the meshed circular ring 210 is driven to rotate, the fan blades 220 synchronously rotate to generate air flow, the air flow blows to the protective cover 130 and the outer star wheel 120, heat generated at the protective cover 130 and the outer star wheel 120 is accelerated and blown away, and the influence on the service life caused by poor heat dissipation effect of the constant-speed driving shaft assembly is avoided.
Further, in the above heat dissipation process, after a long period of operation, the ring 210 may shift, so that the shaft 110 cannot drive the fan blade 220 to rotate. Based on this, the first and second light sources,
the side wall of the circular ring 210 is provided with an annular groove 210a;
the inner wall of the rectangular cylinder 310 is symmetrically fixed with a limiting rod 340, the end of the limiting rod 340 is fixed with a limiting piece 340a, and the limiting piece 340a is clamped in the annular groove 210 a.
Specifically, the plurality of limiting rods 340 are fixed on the inner wall of the rectangular tube 310, and the plurality of limiting plates 340a are synchronously clamped in the annular groove 210a, so that when the ring 210 rotates, the ring 210 is always limited by the limiting plates 340a, and the ring 210 is not deviated, so that the heat dissipation process is not interrupted.
Further, during the running of the vehicle, external dust may enter the rectangular cylinder 310, adhere to the ring gear 140 to form resistance, and may prevent the rotation of the fan blade 220, based on this.
Slots 310a are symmetrically formed in the top of the rectangular cylinder 310, and threaded holes 310b are symmetrically formed in the side wall of the rectangular cylinder 310;
the dustproof plate 400 is inserted into the slot 310a, round holes 400a matched with the shaft rod 110 are formed in the side wall of the dustproof plate 400, heat dissipation holes 400b are uniformly formed in the side wall, an L-shaped plate 400c is symmetrically fixed to the top end of the dustproof plate, and positioning holes 400d matched with the threaded holes 310b are formed in the side wall of the L-shaped plate 400 c.
Specifically, the dust-proof plate 400 is inserted into the slot 310a, so that the positioning hole 400d is coaxial with the threaded hole 310b, then the dust-proof plate 400 is fixed by screwing the bolts into the positioning hole 400d and the threaded hole 310b in sequence, dust is blocked by the dust-proof plate 400, when much dust is accumulated outside the dust-proof plate 400, the dust-proof plate 400 can be cleaned by screwing off the bolts, and excessive dust is prevented from interfering with heat dissipation.
While the fundamental principles, principal features, and advantages of the present utility model have been shown and described, it will be apparent to those skilled in the art that the present utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. A heat dissipating structure for a constant velocity drive shaft assembly, comprising:
the driving assembly (100) comprises a shaft lever (110), an outer star wheel (120) symmetrically fixed on the outer wall of the shaft lever (110), a protective cover (130) symmetrically fixed on the outer wall of the shaft lever (110) and a toothed ring (140) fixed in the middle of the outer wall of the shaft lever (110);
the heat dissipation assembly (200) comprises a circular ring (210) sleeved on the outer side of the shaft lever (110), fan blades (220) symmetrically fixed on the outer wall of the circular ring (210) and teeth (230) symmetrically fixed on the inner wall of the circular ring (210) and meshed with the toothed ring (140);
the protection assembly (300) comprises a rectangular cylinder (310) sleeved on the outer wall of the circular ring (210), a connecting plate (320) fixed at the top of the rectangular cylinder (310), a fixing plate (330) fixed at the top end of the connecting plate (320), and bottom fixing holes (330 a) symmetrically formed in the fixing plate (330).
2. A heat dissipating structure for a constant velocity drive shaft assembly according to claim 1, wherein said annular ring (210) has an annular groove (210 a) formed in a side wall thereof.
3. The heat dissipation structure of a constant velocity drive shaft assembly according to claim 2, wherein limit rods (340) are symmetrically fixed on the inner wall of the rectangular cylinder (310), limit pieces (340 a) are fixed at the ends of the limit rods (340), and the limit pieces (340 a) are clamped in the annular grooves (210 a).
4. The heat dissipating structure of a constant velocity drive shaft assembly according to claim 1, wherein slots (310 a) are symmetrically formed on the top of the rectangular tube (310), and threaded holes (310 b) are symmetrically formed on the side wall of the rectangular tube (310).
5. The heat dissipation structure of a constant velocity drive shaft assembly according to claim 4, further comprising a dust guard (400), wherein the dust guard (400) is inserted into the slot (310 a), a circular hole (400 a) adapted to the shaft lever (110) is formed in a side wall of the dust guard, heat dissipation holes (400 b) are uniformly formed in the side wall, an L-shaped plate (400 c) is symmetrically fixed to a top end of the side wall, and a positioning hole (400 d) adapted to the threaded hole (310 b) is formed in the side wall of the L-shaped plate (400 c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321645992.4U CN219975162U (en) | 2023-06-26 | 2023-06-26 | Heat radiation structure of constant speed drive shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321645992.4U CN219975162U (en) | 2023-06-26 | 2023-06-26 | Heat radiation structure of constant speed drive shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975162U true CN219975162U (en) | 2023-11-07 |
Family
ID=88582103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321645992.4U Active CN219975162U (en) | 2023-06-26 | 2023-06-26 | Heat radiation structure of constant speed drive shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975162U (en) |
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2023
- 2023-06-26 CN CN202321645992.4U patent/CN219975162U/en active Active
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