Plastic gear with heat dissipation channel

Abstract

The utility model relates to the technical field of plastic gears, and discloses a plastic gear with a heat dissipation channel, which comprises a gear hub, a spline groove is arranged on the inner surface of the gear hub, a heat dissipation mechanism is arranged on the gear hub, and the heat dissipation mechanism comprises a support block, a hub cover, heat dissipation grooves, heat dissipation holes, a gear ring, teeth and arc-shaped grooves. According to the plastic gear with the heat dissipation channels, the ceramic heat dissipation plate on the outer surface of the hub cover has good heat conduction performance and can rapidly absorb heat on the hub cover, and the heat conduction silicone grease coating on the outer surface of the ceramic heat dissipation plate further enhances the heat conduction efficiency, so that the heat can be transmitted to the surface of the ceramic heat dissipation plate more rapidly; and the nanometer aluminum nitride water-based heat dissipation coating accelerates diffusion of heat in air through the special performance of the nanometer aluminum nitride water-based heat dissipation coating, so that effective heat dissipation of the gear is achieved, it is guaranteed that the gear is in a proper temperature range in the working process, the service life of the gear is prolonged, and the working stability of the gear is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic gear, concretely to a plastic gear with heat dissipation channel. BACKGROUND

[0002] The plastic gear refers to the gear whose material is plastic, and is mainly used for mechanical transmission and can realize the transmission of power and movement by meshing.

[0003] Since the gear is driven by the meshing between multiple gears during work, a large amount of heat is generated on the gear after long-time running and friction, but the current gear is not provided with a heat dissipation device, so that the gear is at a high temperature for a long time after work, which easily affects the service life of the gear, and the lubricity between the multiple gears decreases after long-time meshing transmission, thereby increasing the friction between the multiple gears and reducing the transmission stability of the gear. UTILITY MODEL CONTENTS

[0004] (I) Technical problem solved

[0005] In view of the deficiencies in the prior art, the utility model provides a plastic gear with heat dissipation channel, which solves the problem of poor heat dissipation of the plastic gear.

[0006] (II) Technical scheme

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a plastic gear with heat dissipation channel, comprising a gear hub, a plurality of fluted grooves are formed in the inner surface of the gear hub;

[0008] Among them, the gear hub is provided with a heat dissipation mechanism, and the heat dissipation mechanism comprises a supporting block, a hub cover, a heat dissipation groove, a heat dissipation hole, a gear ring, a tooth, an arc-shaped groove, a ceramic heat dissipation plate, a heat-conducting silicone coating and a nano aluminum nitride water-based heat dissipation coating.

[0009] Preferably, a plurality of supporting blocks are fixedly installed on the outer surface of the gear hub, and the gear ring is fixedly installed on the outer surface of the plurality of supporting blocks.

[0010] Preferably, the tooth is fixedly installed on the outer surface of the gear ring, and the arc-shaped groove is formed in the outer surface of the gear ring.

[0011] Preferably, two hub covers are fixedly installed on the two sides of the supporting block, and eight heat dissipation grooves are formed in the outer surfaces of the two hub covers.

[0012] Among them, eight heat dissipation holes are formed in the outer surfaces of the two hub covers.

[0013] Preferably, the outer surface of the hub cover is provided with a ceramic heat dissipation plate.

[0014] Preferably, the outer surface of the ceramic heat dissipation plate is connected with a heat-conducting silicone grease coating, and the outer surface of the ceramic heat dissipation plate is connected with a nano-aluminum nitride water-based heat dissipation coating.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the plastic gear with a heat dissipation channel has the following beneficial effects:

[0017] 1. The plastic gear with a heat dissipation channel, the ceramic heat dissipation plate on the outer surface of the hub cover has good heat conduction performance, can quickly absorb the heat on the hub cover, the heat-conducting silicone grease coating on the outer surface further enhances the heat conduction efficiency, so that the heat can be transferred to the surface of the ceramic heat dissipation plate more quickly, and the nano-aluminum nitride water-based heat dissipation coating accelerates the diffusion of heat in the air through its special performance, thereby realizing effective heat dissipation of the gear and ensuring that the gear is in a suitable temperature range during operation, improving the service life and working stability of the gear.

[0018] 2. The plastic gear with a heat dissipation channel, the heat dissipation grooves and heat dissipation holes on the hub cover form a heat dissipation channel, which accelerates the circulation of air and promotes the emission of heat to the outside.

[0019] 3. The plastic gear with a heat dissipation channel, the arc-shaped groove 9 can be used as a storage and conveying channel for lubricating oil or grease, and when the gear is running, the lubricating medium can be better brought to the tooth surface contact area, forming a more uniform oil film, thereby reducing the friction coefficient of the tooth surface, reducing wear, and improving the transmission efficiency and service life of the gear BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure schematic view of the plastic gear with a heat dissipation channel of the utility model;

[0021] Figure 2 It is a structure schematic view of the plastic gear with a heat dissipation channel of the utility model;

[0022] Figure 3 It is a structure schematic view of the plastic gear with a heat dissipation channel of the utility model;

[0023] Figure 4 It is a structure schematic view of the plastic gear with a heat dissipation channel of the utility model; Figure 3 It is a structure schematic view of the plastic gear with a heat dissipation channel of the utility model;

[0024] In the drawing: 1, gear hub; 2, spline groove; 3, support block; 4, hub cover; 5, heat dissipation groove; 6, heat dissipation hole; 7, tooth ring; 8, tooth; 9, arc-shaped groove; 10, ceramic heat dissipation plate; 11, heat-conducting silicone grease coating; 12, nano-aluminum nitride water-based heat dissipation coating. DETAILED DESCRIPTION

[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, and obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] Please refer to Figures 1-4 The present application provides a new technical solution: a plastic gear with a heat dissipation channel, comprising a gear hub 1, and a plurality of support blocks 3 are fixedly installed on the outer surface of the gear hub 1.

[0027] Among them, the gear hub 1 is provided with a heat dissipation mechanism, and the heat dissipation mechanism comprises a support block 3, a hub cover 4, a heat dissipation groove 5, a heat dissipation hole 6, a gear ring 7, a tooth 8, an arc-shaped groove 9, a ceramic heat dissipation plate 10, a heat-conducting silicone coating 11 and a nano aluminum nitride water-based heat dissipation coating 12.

[0028] Further, a plurality of support blocks 3 are fixedly installed on the outer surface of the gear hub 1, and the gear ring 7 is fixedly installed on the outer surface of the plurality of support blocks 3.

[0029] Further, the tooth 8 is fixedly installed on the outer surface of the gear ring 7, and the arc-shaped groove 9 is formed on the outer surface of the gear ring 7.

[0030] Further, two hub covers 4 are fixedly installed on the two sides of the support block 3, and eight heat dissipation grooves 5 are formed on the outer surfaces of the two hub covers 4.

[0031] Among them, eight heat dissipation holes 6 are formed on the outer surfaces of the two hub covers 4.

[0032] Further, the outer surface of the hub cover 4 is provided with a ceramic heat dissipation plate 10.

[0033] Further, the outer surface of the ceramic heat dissipation plate 10 is connected with a heat-conducting silicone coating 11, and the outer surface of the ceramic heat dissipation plate 10 is connected with a nano aluminum nitride water-based heat dissipation coating 12.

[0034] The plastic gear with heat dissipation channel, when the driving shaft is inserted into the spline groove 2 of the gear hub 1 and rotates, it drives the gear hub 1 to rotate, and then drives the gear ring 7 to rotate through the support block 3, the teeth 8 on the outer surface of the gear ring 7 are engaged with the teeth of other gears, realizing the transmission of power and the conversion of motion. In terms of heat dissipation, the gear generates heat during operation, which is first transmitted to the support block 3 and the gear ring 7 through the gear hub 1. The arc-shaped groove 9 on the gear ring 7 increases the contact area with air, which helps to preliminarily dissipate heat. At the same time, heat is conducted to the hub cover 4, and the heat dissipation groove 5 and the heat dissipation hole 6 on the hub cover 4 form a heat dissipation channel, which accelerates the circulation of air and promotes the dissipation of heat to the outside. The ceramic heat sink plate 10 on the outer surface of the hub cover 4 has good heat conduction performance and can quickly absorb the heat on the hub cover 4. The heat-conducting silicone grease coating 11 on the outer surface of the ceramic heat sink plate 10 further enhances the heat conduction efficiency, so that the heat can be transferred to the surface of the ceramic heat sink plate 10 more quickly. The nano aluminum nitride water-based heat dissipation coating 12 accelerates the diffusion of heat in the air through its special properties, thereby achieving effective heat dissipation of the gear and ensuring that the gear operates within the appropriate temperature range, improving the service life and working stability of the gear.

[0035] The plastic gear with heat dissipation channel, the ceramic heat sink plate 10 on the outer surface of the hub cover 4 has good heat conduction performance and can quickly absorb the heat on the hub cover 4. The heat-conducting silicone grease coating 11 on the outer surface of the ceramic heat sink plate 10 further enhances the heat conduction efficiency, so that the heat can be transferred to the surface of the ceramic heat sink plate 10 more quickly. The nano aluminum nitride water-based heat dissipation coating 12 accelerates the diffusion of heat in the air through its special properties, thereby achieving effective heat dissipation of the gear and ensuring that the gear operates within the appropriate temperature range, improving the service life and working stability of the gear. The plastic gear with heat dissipation channel, the heat dissipation groove 5 and the heat dissipation hole 6 on the hub cover 4 form a heat dissipation channel, which accelerates the circulation of air and promotes the dissipation of heat to the outside. The plastic gear with heat dissipation channel, the arc-shaped groove 9 can be used as a storage and delivery channel for lubricating oil or grease, which can better bring the lubricating medium to the tooth surface contact area during gear operation, forming a more uniform oil film, thereby reducing the friction coefficient of the tooth surface, reducing wear and tear, and improving the transmission efficiency and service life of the gear.

[0036] Structure description:

[0037] Gear hub 1: It is the core support structure of the gear, used for installation on the shaft to drive the entire gear to rotate, and provides a mounting base for other components.

[0038] Spline groove 2: Located on the inner surface of the gear hub 1, it can be matched with the spline on the shaft to realize the circumferential fixation of the gear and the shaft and the torque transmission, ensuring that the gear can accurately follow the rotation of the shaft.

[0039] Support block 3: fixedly installed on the outer surface of the gear hub 1, used to connect the gear hub 1 and the gear ring 7, plays a supporting role for the gear ring 7, so that the gear ring 7 and the gear hub 1 maintain a relatively fixed positional relationship.

[0040] Hub cover 4: two, fixedly installed on both sides of the support block 3, the main function is to close the internal structure of the gear, protect the rotating parts of the gear, and cooperate with the heat dissipation groove 5, heat dissipation hole 6, etc., to play a heat dissipation role.

[0041] Heat dissipation groove 5: opened on the outer surface of the two hub covers 4, which can increase the heat dissipation area, so that the heat is more easily dissipated to the surrounding environment, improving the heat dissipation efficiency.

[0042] Heat dissipation hole 6: also opened on the outer surface of the two hub covers 4, which can make the hot air inside the gear exchange with the outside cold air through these holes, accelerate the heat dissipation, and enhance the heat dissipation effect.

[0043] Gear ring 7: fixed on the gear hub 1 through the support block 3, its outer surface is installed with gear teeth 8, which is the part of the gear meshing with other gears or racks, used for power transmission and movement.

[0044] Gear teeth 8: fixedly installed on the outer surface of the gear ring 7, meshing with the gear teeth of other gears, transmitting force and movement through the contact of gear surfaces, realizing the change of rotational speed and torque.

[0045] Arc-shaped groove 9: opened on the outer surface of the gear ring 7, which may be to reduce the weight of the gear, or to increase the flexibility of the gear ring 7 without affecting the strength and performance of the gear, or to have certain auxiliary effect on heat dissipation, such as increasing the air flow area.

[0046] Ceramic heat dissipation plate 10: arranged on the outer surface of the hub cover 4, ceramic has good heat conductivity and high temperature resistance, which can quickly absorb the heat transferred by the hub cover 4 and dissipate the heat to the air, effectively improving the heat dissipation efficiency.

[0047] Thermal conductive silicone coating 11: connected to the outer surface of the ceramic heat dissipation plate 10, which fills the small gaps and uneven places on the surface of the ceramic heat dissipation plate 10, making the ceramic heat dissipation plate 10 better contact with the surrounding air or other heat dissipation components, improving the heat conduction efficiency and ensuring the smooth transmission of heat.

[0048] Nano-aluminum nitride water-based heat dissipation coating 12: also connected to the outer surface of the ceramic heat dissipation plate 10, nano-aluminum nitride has high thermal conductivity, and the water-based heat dissipation coating has good heat dissipation performance and environmental protection, which can further improve the heat dissipation effect, quickly dissipate the heat absorbed by the ceramic heat dissipation plate 10, and at the same time protect the surface of the ceramic heat dissipation plate 10 from corrosion and damage from the external environment.

[0049] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A plastic gear with heat dissipation channels, comprising a gear hub (1), characterized in that: The inner surface of the gear hub (1) is provided with a spline (2); Wherein, the gear hub (1) is provided with a heat dissipation mechanism, the heat dissipation mechanism includes support block (3), hub cover (4), heat dissipation groove (5), heat dissipation hole (6), gear ring (7), gear teeth (8), arc groove (9), ceramic heat dissipation plate (10), heat-conducting silicone coating (11) and nano aluminum nitride water-based heat dissipation coating (12).

2. The plastic gear with heat dissipation channels according to claim 1, characterized in that: A plurality of support blocks (3) are fixedly installed on the outer surface of the gear hub (1), and the gear ring (7) is fixedly installed on the outer surface of the plurality of support blocks (3).

3. The plastic gear with heat dissipation channels according to claim 1, wherein: The gear teeth (8) are fixedly installed on the outer surface of the gear ring (7), and the arc groove (9) is formed on the outer surface of the gear ring (7).

4. The plastic gear with heat dissipation channels according to claim 1, wherein: Two hub covers (4) are fixedly installed on the two sides of the support block (3), and eight heat dissipation grooves (5) are formed on the outer surfaces of the two hub covers (4) respectively. Wherein, eight heat dissipation holes (6) are formed on the outer surfaces of the two hub covers (4) respectively.

5. The plastic gear with heat dissipation channels according to claim 1, wherein: The outer surface of the hub cover (4) is provided with a ceramic heat dissipation plate (10).

6. The plastic gear with heat dissipation channels according to claim 1, wherein: The outer surface of the ceramic heat dissipation plate (10) is connected with a heat-conducting silicone coating (11), and the outer surface of the ceramic heat dissipation plate (10) is connected with a nano aluminum nitride water-based heat dissipation coating (12).

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