CN219472677U - Spiral bevel gear with good heat dissipation performance - Google Patents

Abstract

The utility model discloses a spiral bevel gear with good heat dissipation, which comprises an integrally formed gear body and a connecting shaft, wherein an axle is inserted into an inner cavity at the end part of the connecting shaft, a plurality of spiral teeth are uniformly distributed on the conical surface of the gear body, tooth grooves are formed in adjacent spiral teeth, two through holes are formed in the tooth grooves, the two through holes in the same tooth groove are separated by a baffle, and an annular groove communicated with the through holes is formed in the other side of the gear body. The gear body is scientifically and reasonably designed, stable connection of the gear body and the transmission mechanism is realized, the disassembly mode is simpler, a plurality of through holes are formed in the tooth grooves at the connecting end of the gear body, and meanwhile, the annular grooves communicated with the through holes are formed at the other end of the gear body, so that the air permeability of the gear body is effectively enhanced, the heat dissipation requirement of the gear body during working is ensured, the uniform and comprehensive contact of air flow and the conical surface of the gear body is further ensured, and the heat dissipation efficiency of the gear body is effectively improved.

Description

Spiral bevel gear with good heat dissipation performance

Technical Field

The utility model relates to the technical field of spiral bevel gear equipment, in particular to a spiral bevel gear with good heat dissipation.

Background

Spiral bevel gears, i.e. spiral bevel gears, are commonly used for motion and power transmission between two intersecting shafts. The teeth of the conical gear are distributed on the surface of a cone, and the tooth shape of the conical gear gradually decreases from the big end to the small end. In the prior art, in the car, spiral bevel gear includes gear core and helical tooth, and the outward appearance of gear core is the umbrella form structure, and helical tooth regards the center pin of gear core as the conical surface of evenly distributed on the gear core. Publication number CN105333101a proposes a spiral bevel gear, including integrated into one piece's teeth of a cogwheel portion, shaft portion and screw rod portion connect in order at the big footpath end of teeth of a cogwheel portion, and the diameter of this shaft portion and screw rod portion reduces in proper order the little footpath end of teeth of a cogwheel portion is equipped with along the outwards convex bearing installation section of axial. The gear is of an integrally formed integral solid structure, the air permeability is poor, heat is easy to accumulate in the gear during long-time working of the gear, the stability of the gear is affected, the gear is easy to deform, and the service life of the gear is reduced. Therefore, we propose a spiral bevel gear with good heat dissipation.

Disclosure of Invention

The utility model aims to provide a spiral bevel gear with good heat dissipation performance so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a spiral bevel gear that heat dissipation is good, includes integrated into one piece's gear body and connecting axle, the connecting axle tip inner chamber is pegged graft and is had the shaft, evenly distributed has a plurality of helical teeth on the conical surface of gear body, adjacent form the tooth's socket in the helical teeth, two through-holes have been seted up in the tooth's socket, and two in the same tooth's socket the through-hole passes through the baffle and separates, the ring channel with the through-hole intercommunication has been seted up to the gear body opposite side.

Preferably, the wheel axle is connected to the connecting shaft by means of a screw.

Preferably, the tail end of the wheel axle is provided with a threaded part.

Preferably, the rotation angle of the spiral teeth is 40-50 degrees left-handed.

Preferably, the side surface of the gear body is coaxially provided with a protruding section.

Preferably, an oil storage tank is further arranged in the tooth groove.

Compared with the prior art, the utility model has the beneficial effects that: this kind of spiral bevel gear that heat dissipation is good, structural design is simple reasonable, have stronger practicality, through adopting the mode of pegging graft with the shaft tip to install in the recess of connecting axle tip, it is fixed with shaft and connecting axle simultaneously under the effect of bolt, the stable connection of gear body and drive mechanism has been realized, the dismantlement mode is comparatively simple, can avoid producing the harm to the gear body, through set up a plurality of through-holes in the tooth's socket of gear body link, the ring channel with the through-hole intercommunication is offered to the gear body other end simultaneously, the gas permeability of gear body has effectively been strengthened, thereby the heat dissipation demand of gear body during operation has been guaranteed, and because through the baffle between two through-holes in same tooth's socket as blocking mechanism, can make the air current that gets into two through-holes from the ring channel to the opposite direction removal, and then guaranteed the even comprehensive contact of air current and gear body's conical surface, the radiating efficiency of gear body has effectively been promoted.

Drawings

FIG. 1 is a schematic side view of the present utility model.

Fig. 2 is a schematic front view of the gear body structure of the present utility model.

Fig. 3 is a schematic diagram of another side of the gear body structure of the present utility model.

In the figure: 1 gear body, 11 connecting shaft, 12 wheel axle, 13 screw thread portion, 14 bolt, 15 convex section, 16 helical tooth, 17 tooth groove, 18 through hole, 19 baffle, 2 ring groove, 21 oil storage tank.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a spiral bevel gear that thermal diffusivity is good, including integrated into one piece's gear body 1 and connecting axle 11, the grafting of connecting axle 11 tip inner chamber has shaft 12, evenly distributed has a plurality of helical teeth 16 on the conical surface of gear body 1, form tooth groove 17 in the adjacent helical teeth 16, in order to guarantee the structural strength of helical teeth 16, can set up the carburized layer of 1-2mm at the surface of helical teeth 16, with the wearability of reinforcing helical teeth 16, two through-holes 18 have been seted up in tooth groove 17, and two through-holes 18 separate through baffle 19 in same tooth groove 17, the tip of baffle 19 and the helical teeth 16 of side have the clearance between, the annular channel 2 with through-hole 18 intercommunication has been seted up to the gear body 1 opposite side, the design of through-hole 18 and annular channel 2 has reduced self quality when not influencing gear body 1 intensity, certain cost has been saved, through set up a plurality of through-holes 18 in tooth groove 17 at the gear body 1 link, simultaneously set up the annular channel 2 with through-hole 18 intercommunication, effectively strengthen the gas permeability of gear body 1, thereby the demand when gear body 1 during operation has been guaranteed, and because two through-holes 18 in same tooth groove 17 separate through-hole 18, and two through-hole 18 can block the annular channel 1 and the radial direction 1 from the complete contact of the gear body 1, the air flow direction has been guaranteed to the complete and has guaranteed that the thermal diffusivity can be moved to the opposite directions to the gear body 1.

Further, the wheel shaft 12 is connected with the connecting shaft 11 through the bolt 14, the end part of the wheel shaft 12 is installed in the groove at the end part of the connecting shaft 11 in an inserting mode, and meanwhile, the wheel shaft 12 is fixed with the connecting shaft 11 under the action of the bolt 14, so that the stable connection of the gear body 1 and the transmission mechanism is realized, the disassembly mode is simpler, and the damage to the gear body 1 can be avoided.

Further, the tail end of the wheel axle 12 is provided with a threaded portion 13, and the threaded portion 13 is used for connecting the wheel axle 12 with a transmission mechanism.

Further, the helical teeth 16 are rotated at an angle of 40-50 degrees left-hand.

Further, the side surface of the gear body 1 is coaxially provided with a protruding section 15, the protruding section 15 protrudes from the side surface of the gear body 1, and the cylindrical protruding section 15 can be correspondingly connected with a bearing.

Further, an oil storage tank 21 is further provided in the tooth space 17, and a certain amount of lubricating oil can be correspondingly stored in the oil storage tank 21.

Working principle: when the spiral bevel gear with good heat dissipation performance is used, the connecting end of the wheel shaft 12 is correspondingly inserted into the groove at the end part of the connecting shaft 11, then the connecting shaft 11 and the wheel shaft 12 are synchronously locked and fixed through the matching of the bolts 14, the threaded part 13 is correspondingly connected with a transmission mechanism, the threaded part 13 at the end part of the wheel shaft 12 rotates to drive the connecting shaft 11 and the gear body 1 to rotate, thereby achieving the stable transmission effect, the air permeability of the gear body 1 can be increased through the matching of the plurality of through holes 18 and the annular groove 2 in the rotating process, the quality of the gear body 1 is reduced under the condition that the internal stability of the gear body 1 is not damaged, the air inflow is increased under the action of the annular groove 2 to improve the heat dissipation effect, and the air flow enters the through holes 18 from the annular groove 2.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a spiral bevel gear that heat dissipation is good, includes integrated into one piece's gear body (1) and connecting axle (11), its characterized in that: the gear is characterized in that the inner cavity of the end part of the connecting shaft (11) is inserted with a wheel shaft (12), a plurality of spiral teeth (16) are uniformly distributed on the conical surface of the gear body (1), tooth grooves (17) are formed in adjacent spiral teeth (16), two through holes (18) are formed in the tooth grooves (17), the two through holes (18) in the same tooth groove (17) are separated by a baffle plate (19), and an annular groove (2) communicated with the through holes (18) is formed in the other side of the gear body (1).

2. The spiral bevel gear with good heat dissipation according to claim 1, wherein: the wheel axle (12) is connected with the connecting shaft (11) through a bolt (14).

3. The spiral bevel gear with good heat dissipation according to claim 1, wherein: the tail end of the wheel axle (12) is provided with a thread part (13).

4. The spiral bevel gear with good heat dissipation according to claim 1, wherein: the rotation angle of the spiral teeth (16) is 40-50 degrees of left rotation.

5. The spiral bevel gear with good heat dissipation according to claim 1, wherein: the side of the gear body (1) is coaxially provided with a protruding section (15).

6. The spiral bevel gear with good heat dissipation according to claim 1, wherein: an oil storage tank (21) is further arranged in the tooth groove (17).