CN114321202A - High abrasion-resistant clutch outer disc hub structure - Google Patents

Abstract

The invention discloses a high-abrasion-resistance clutch outer hub structure, which relates to the technical field of clutch hubs and comprises a shaft body and a disc body, wherein the disc body is sleeved on the surface of the shaft body, an inner tooth groove is formed between every two adjacent inner teeth, a plurality of heat dissipation windows distributed in an annular array are arranged on the surface of the disc body, a flow guide inclined plane is fixedly connected between every two adjacent heat dissipation windows, the clutch outer hub structure also comprises a damping mechanism, the damping mechanism comprises a plurality of outer damping springs, a plurality of mounting windows distributed in an annular array are arranged on the surface of the disc body, one end of each outer damping spring is fixedly connected with one side of the inner wall of each mounting window, the other end of each outer damping spring is fixedly connected with the other side of the inner wall of each mounting window, and a reinforcing damping mechanism is arranged on the inner wall of each mounting window. The product performance can be ensured, the mold is simple to manufacture and attractive in appearance, and the accurate pressing and embedding positioning effect is achieved.

Description

High abrasion-resistant clutch outer disc hub structure

Technical Field

The invention relates to the technical field of clutch disc hubs, in particular to a high-abrasion-resistance clutch outer disc hub structure.

Background

The hub plays an important role in a clutch of a vehicle. The hub is used for transmitting the torque of the driven disc assembly, in the driven disc assembly, the torque of the friction plate is transmitted to the hub through the spring, and the hub is transmitted to the gearbox, so that the torque is stably transmitted. With the rapid development of automobile clutch industry in China and even in the world, various new varieties of clutch disc assemblies continuously appear, and the press-fitting mode of a new disc hub is indispensable. However, most of the hubs in the prior art are integrated, and the hubs are partially in an old press-fit mode, so that the operation process is complex and the cost is quite high.

At present, the traditional outer hub on the market can cause the abrasion of the hub when being matched with other accessories of the clutch, during the installation, the torque transmission and the disassembly, thereby affecting the service life of the hub; and how to improve the structural strength of the hub and the heat dissipation effect are also problems at present.

Disclosure of Invention

The invention aims to provide a high-abrasion-resistance clutch outer hub structure which is simple in structure, good in strength and long in service life, an inner hub core and an outer hub sheet are tightly connected, the product performance can be guaranteed, a die is simple to manufacture and attractive in appearance, the pressing and embedding positioning effect is accurate, and the problems that most hubs in the prior art are integral, and the operation process is complex and the cost is quite high due to the fact that the old pressing and embedding mode is adopted in the other part of the hubs in the prior art are solved.

In order to achieve the purpose, the invention provides the following technical scheme: a high-abrasion-resistance clutch outer hub structure comprises a shaft body and a disc body, wherein the disc body is sleeved on the surface of the shaft body, a plurality of inner teeth are formed in the inner wall of the shaft body, inner tooth grooves are formed between every two adjacent inner teeth, a plurality of heat dissipation windows distributed in an annular array mode are formed in the surface of the disc body, a flow guide inclined plane is fixedly connected between every two adjacent heat dissipation windows, and the high-abrasion-resistance clutch outer hub structure also comprises a damping mechanism;

damping mechanism includes the outer damping spring of a plurality of, the installation window that a plurality of is ring array and distributes is seted up on the surface of disk body, outer damping spring's one end with one side fixed connection of installation window inner wall, outer damping spring's the other end with the opposite side fixed connection of installation window inner wall, the inner wall of installation window still is provided with strengthens damping mechanism.

Optionally, the reinforcing and damping mechanism includes an inner damping spring, one end of the inner damping spring is fixedly connected to one side of the inner wall of the mounting window, and the other end of the inner damping spring is fixedly connected to the other side of the inner wall of the mounting window.

Optionally, it is right still including being used for the lubricated mechanism that the internal tooth surface is lubricated, lubricated mechanism includes the oil storage tank and leads the oil groove, the extension groove has been seted up on the surface of axis body, the oil storage tank has been seted up the surface of disk body, lead the oil groove one end with the fixed surface intercommunication of oil storage tank, lead the oil groove the other end with the fixed surface intercommunication of extension groove.

Optionally, the aperture of the extension groove is gradually reduced from the outer wall of the shaft body to the inner wall of the shaft body.

Optionally, the surface of the diversion inclined plane is provided with a diversion trench, and two ends of the diversion trench are respectively fixedly communicated with opposite surfaces of two adjacent heat dissipation windows.

Optionally, a plurality of heat dissipation seams distributed in an annular array are further formed in the surface of the shaft body, a plurality of convex ridges are fixedly connected to the surfaces of the heat dissipation seams, heat dissipation grease is filled in the heat dissipation seams, and the end portions of the heat dissipation seams are arc-shaped.

Optionally, the outer damping spring and the inner damping spring are made of high-strength alloy materials, and the oil storage tank is annular.

Optionally, the disc body further comprises an inner disc hub core, the outer wall of the inner disc hub core is provided with a plurality of bosses distributed in an annular array, vacant positions are formed between every two adjacent bosses, adjusting seams are formed on the surfaces of the plurality of bosses, a plurality of positioning grooves are formed in the surface of the inner disc hub core, a plurality of positioning protrusions are formed in the surface of the disc body, the positioning grooves are matched with the positioning protrusions, and two sides of the lower surface of each boss are fillets.

Compared with the prior art, the invention has the following beneficial effects:

in order to improve the lubricating effect of the inner teeth on the inner wall of the shaft body, lubricating oil is added into an oil storage tank, the lubricating oil flows into an oil guide tank under the action of the fixed communication between the oil guide tank and the inner teeth, one end of the oil guide tank is communicated with the inner wall of the shaft body, the internal teeth can be protected, the lubricating effect of the internal teeth on both sides of the internal tooth groove can be realized, the internal teeth can be lubricated by the oil guide tank in the process of disassembling the internal teeth, the disassembly is convenient, the abrasion of a hub is prevented, and the lubricating effect of the inner wall of the shaft body is also improved.

The invention is characterized in that a flow guide inclined plane is arranged between two adjacent heat dissipation windows, a certain angle is formed between the flow guide inclined plane and the surface of the plate body, so that hot air flows are formed on the surface of the plate body, a plurality of flow guide grooves are arranged on the flow guide inclined plane, the flow guide grooves are wavy, and the flow guide grooves are arranged in a wavy manner, so that the heat dissipation area is increased in the hot air flowing process, and the good heat dissipation effect is further improved.

By adopting the structure, the gradually reduced caliber of the extension groove can form an oil seal effect in the extension groove, so that a certain storage effect on lubricating oil is achieved.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a front cross-sectional view of a first partial structure of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 1 at A according to the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 1 at B according to the present invention;

FIG. 5 is a front cross-sectional view of a second partial structure of the present invention;

fig. 6 is a rear view of a partial structure of the present invention.

In the figure: 1-shaft body, 2-disc body, 3-internal tooth, 4-internal tooth socket, 5-heat dissipation window, 6-flow guide inclined plane, 7-flow guide groove, 8-installation window, 9-external damping spring, 10-internal damping spring, 11-oil storage groove, 12-oil guide groove, 13-extension groove, 14-heat dissipation seam, 15-convex ridge, 16-internal disc hub core, 17-convex table, 18-regulation seam, 19-positioning groove, 20-positioning bulge and 21-vacancy.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution: a high abrasion-resistant clutch outer hub structure comprises a shaft body 1 and a disc body 2, wherein the disc body 2 is sleeved on the surface of the shaft body 1, a plurality of inner teeth 3 are arranged on the inner wall of the shaft body 1, inner tooth grooves 4 are formed between every two adjacent inner teeth 3, a plurality of heat dissipation windows 5 distributed in an annular array are arranged on the surface of the disc body 2, a diversion inclined plane 6 is fixedly connected between every two adjacent heat dissipation windows 5, a damping mechanism used for reducing vibration and abnormal sound is arranged on the surface of the disc body 2, the high abrasion-resistant clutch outer hub structure also comprises a lubricating mechanism used for lubricating the surfaces of the inner teeth 3, in order to improve the lubricating effect of the inner teeth 3 on the inner wall of the shaft body 1, lubricating oil is added into the lubricating mechanism, the lubricating oil flows into the lubricating mechanism under the action of the lubricating mechanism, one end of a part in the lubricating mechanism is communicated with the inner wall of the shaft body 1, and can protect the inner teeth 3, can also lubricate the effect to 3 teeth homoenergetic in 4 sides of internal tooth's socket, and in the in-process of dismantling it, the same lubricating effect that can rely on lubricating mechanism lubricates internal tooth 3, convenient to detach, prevent that the hub from taking place wearing and tearing, also improve the lubricating effect to 1 inner wall of axis body simultaneously, be equipped with a plurality of heat dissipation windows 5 on through disk body 2, a plurality of heat dissipation windows 5 through the setting, can improve the radiating effect to disk body 2, be equipped with water conservancy diversion inclined plane 6 between double-phase adjacent heat dissipation window 5, and with certain angle between water conservancy diversion inclined plane 6 and the disk body 2 surface, make the flow of forming hot air current on the surface at disk body 2, realize the effect of surging of air current with higher speed, heat dissipation window 5 adopts and is the annular array and distributes, make whole mechanism's stability higher.

Further, damper includes the outer damping spring 9 of a plurality of, the installation window 8 that a plurality of is the ring array and distributes is seted up on the surface of disk body 2, one side fixed connection of the one end of outer damping spring 9 and the 8 inner walls of installation window, the other end of outer damping spring 9 and the opposite side fixed connection of the 8 inner walls of installation window, the inner wall of installation window 8 still is provided with strengthens damper, adopt the high strength alloy material through outer damping spring 9, make bulk strength higher, life is longer, outer damping spring 9 can reduce vibrations on original basis, reduce the abnormal sound when the clutch idles, satisfy the customer's demand, improve the market competition of enterprise.

Further, strengthen damper and include interior damping spring 10, one end of interior damping spring 10 and one side fixed connection of 8 inner walls of installation window, the other end of interior damping spring 10 and the opposite side fixed connection of 8 inner walls of installation window, all adopt the high strength alloy material through interior damping spring 10, make the bulk strength higher, service life is longer, outer damping spring 9 and interior damping spring 10, can reduce vibrations on original basis, reduce the abnormal sound when the clutch idles, satisfy the customer's demand, improve the market competition of enterprise.

Further, the lubricating mechanism comprises an oil storage tank 11 and an oil guide tank 12, an extension tank 13 is arranged on the surface of the shaft body 1, the oil storage tank 11 is arranged on the surface of the disc body 2, one end of the oil guide tank 12 is fixedly communicated with the surface of the oil storage tank 11, the other end of the oil guide tank 12 is fixedly communicated with the surface of the extension tank 13, in order to improve the lubricating effect on the inner teeth 3 on the inner wall of the shaft body 1, lubricating oil is added into the oil storage tank 11 and flows into the oil guide tank 12 under the action of the fixed communication between the oil guide tank 12 and the inner teeth 3, one end of the oil guide tank 12 is communicated with the inner wall of the shaft body 1, so that the internal teeth 3 can be protected, the internal teeth 4 can be lubricated by the 3 teeth on both sides, in the process of disassembling the internal teeth, the internal teeth 3 can be lubricated by the oil guide tank 12, the disassembly is convenient, and the abrasion of the disc hub is prevented, and simultaneously, the lubricating effect on the inner wall of the shaft body 1 is also improved.

Further, the aperture of extending groove 13 is reduced gradually by the outer wall of axis body 1 toward axis body inner wall direction, through the setting of extending groove 13, and the aperture of each extending groove 13 is reduced gradually by the outer wall of axis body 1 toward axis body inner wall direction, adopts the above-mentioned structure setting, and the aperture of the extending groove 13 that reduces gradually can form the effect of oil blanket in extending groove 13 to form the storage effect to a certain extent of lubricating oil.

Further, guiding gutter 7 has been seted up on the surface of water conservancy diversion inclined plane 6, the both ends of guiding gutter 7 communicate with the opposite face of two adjacent heat dissipation windows 5 is fixed respectively, be equipped with water conservancy diversion inclined plane 6 between two adjacent heat dissipation windows 5, and have certain angle between water conservancy diversion inclined plane 6 and the 2 surfaces of disk body, make the flow of forming hot air current on the 2 surfaces of disk body, and be equipped with a plurality of guiding gutters 7 on the water conservancy diversion inclined plane, the shape of guiding gutter 7 is the wave, through all being wavy setting with each guiding gutter 7, make at the in-process that hot gas flows, the radiating area has been increased, and then good radiating effect has been improved.

Further, the surface of the shaft body 1 is further provided with a plurality of heat dissipation seams 14 distributed in an annular array, the surfaces of the plurality of heat dissipation seams 14 are fixedly connected with convex ribs 15, heat dissipation grease is filled in the heat dissipation seams 14, the end parts of the heat dissipation seams 14 are arc-shaped, heat dissipation grease is filled in the heat dissipation seams 14, the heat dissipation seams 14 can play a role in heat dissipation on one hand, and a certain amount of lubricating grease is stored in the heat dissipation seams 14 on the other hand to be used for matching with lubricating oil to reduce abrasion generated by the internal tooth grooves 4 during operation, so that the service life of the hub is prolonged, the end parts of the heat dissipation seams 14 are arc-shaped, stress concentration of a crack is avoided, the strength of the disk body 2 is influenced, at least one side of each heat dissipation seam 3 is provided with the convex ribs 15 which are equivalent to fan blades, when the disk body 2 rotates, the convex ribs 15 play a role in a fan, further effective heat dissipation and the service life is prolonged, and meanwhile, the convex ribs 15 also play a role in reinforcing ribs, the strength of the tray body 2 is improved.

Further, outer damping spring 9 and interior damping spring 10 are the high strength alloy material, and the shape of oil storage tank 11 is the annular, all adopts the high strength alloy material through outer damping spring 9 and interior damping spring 10 for bulk strength is higher, and life is longer, sets up to the annular through the shape of oil storage tank 11, makes lubricating oil in the annular of oil storage tank 11 can evenly get into through leading oil groove 12, and the flow reaches the surface of internal tooth 3.

Further, the disc type motor disc further comprises an inner disc hub core 16, a plurality of bosses 17 distributed in an annular array are arranged on the outer wall of the inner disc hub core 16, vacant positions 21 are formed between every two adjacent bosses 17, adjusting seams 18 are formed on the surfaces of the plurality of bosses 17, a plurality of positioning grooves 19 are formed in the surface of the inner disc hub core 16, a plurality of positioning protrusions 20 are formed in the surface of the disc body 2, the positioning grooves 19 are matched with the positioning protrusions 20, two sides of the lower surface of each boss 17 are rounded corners, the bosses 17 are uniformly arranged on the periphery of the inner disc hub core 16, inner tooth grooves 4 in interference fit with the bosses 17 are formed in the inner ring of the disc body 2, the structure is simple, the disc body 2 and the inner disc hub core 16 can be separately machined through the machining process, the operation process is simplified, the production line is realized, the respective strength is guaranteed, and the production cost is reduced; the two side edges of the lower surface of the boss 17 are provided with fillets, when the inner hub core 16 and the disc body 2 are assembled, the inner hub core 16 is pressed into the disc body 2 from top to bottom, due to the arrangement of the fillets, the inner hub core 16 and the disc body 2 which are in interference fit originally are easier to align with an installation position and easier to assemble and press, the inner hub core 16 and the disc body 2 are tightly connected, a heat dissipation seam 14 is arranged on the upper circumference of the disc body 2 at the bottom of the inner tooth groove 4, one end of the heat dissipation seam 14 is communicated with the inner tooth groove 4, heat dissipation grease is filled in the heat dissipation seam 14, the heat dissipation seam 14 can play a role in heat dissipation on one hand, and on the other hand, a certain amount of lubricating grease is stored in the heat dissipation seam 14 and is used for supplementing lubricating grease loss generated by mutual movement among the boss 17, the inner tooth groove 4 and the vacant position 21; reduce the boss 17 wearing and tearing, promote driven plate dish hub's life. The other end of the heat dissipation seam 14 is arc-shaped, so that the stress concentration of the crack is avoided, and the strength of the outer disc hub plate is prevented from being influenced. The position that is close to both sides tip on the boss 17 sets up respectively and adjusts seam 4 for leave the assembly surplus when the assembly, even processing has the error and also can carry out rapid Assembly, makes the assembly requirement lower, and the dismouting is more convenient, swift, and the maintenance of being more convenient for even processing has the error also can carry out rapid Assembly. The bottom surface of the boss 17 is provided with a positioning groove, and a positioning bulge which is matched with the positioning groove and extends out of the disc body 2. Because traditional driven plate dish hub has interior dish hub core and can appear straightness etc. and can not reach the requirement when inlaying with outer dish hub piece, thereby it is big finally to lead to the pendulum difference that the product appears after the driven plate assembly, influence the problem that the whole car of driven plate loading appears shaking, consequently the positioning groove of this embodiment and the bellied cooperation in location, it is perpendicular spacing to realize to the vertical installation position of driven plate hub, make the straightness that hangs down obviously promote after the driven plate hub processing, make the pendulum difference of driven plate hub promote, the influence that the driven plate was shaken to whole car has effectively been improved, the travelling comfort of driving has effectively been improved.

The working principle is as follows: when the high-abrasion-resistance clutch outer hub structure is used, in order to improve the lubricating effect on the internal teeth 3 on the inner wall of the shaft body 1, by adding the lubricating oil into the oil storage tank 11, the lubricating oil flows into the oil guide tank 12 under the action of the fixed communication between the oil guide tank 12 and the inner teeth 3, one end of the oil guide tank 12 is communicated with the inner wall of the shaft body 1, not only can the inner teeth 3 be protected, but also the lubricating effect can be realized on 3 teeth in two sides of the inner tooth groove 4, in the process of disassembling the disc hub, the internal teeth 3 can be lubricated by the oil guide groove 12, so that the disc hub is convenient to disassemble, the disc hub is prevented from being abraded, meanwhile, the lubricating effect on the inner wall of the shaft body 1 is improved, and the oil storage tank 11 is annular, so that the lubricating oil in the ring shape of the oil reservoir 11 can uniformly enter through the oil guide grooves 12 and flow to the surfaces of the internal teeth 3.

Be equipped with water conservancy diversion inclined plane 6 between two adjacent heat dissipation windows 5 to have certain angle between water conservancy diversion inclined plane 6 and the disk body 2 surface, make the flow that forms hot air current on the disk body 2 surface, and be equipped with a plurality of guiding gutter 7 on the water conservancy diversion inclined plane, the shape of guiding gutter 7 is the wave, through all being wavy setting with each guiding gutter 7, makes at the in-process that the steam flows, has increased radiating area, and then has improved good radiating effect.

Through the setting of extending groove 13, and the aperture of each extending groove 13 is reduced gradually by the outer wall of axis body 1 toward axis body inner wall direction, adopts the above-mentioned structure setting, and the effect of oil blanket can be formed in extending groove 13 to the bore of the extending groove 13 that reduces gradually to form the storage effect to a certain extent to lubricating oil.

The heat dissipation slits 14 are filled with heat dissipation grease, the heat dissipation slits 14 can play a role in heat dissipation, and a certain amount of lubricating grease is stored in the heat dissipation slits 14 and used for matching with lubricating oil to reduce abrasion of the inner tooth grooves 4 during operation, so that the service life of the disc hub is prolonged.

The tip of heat dissipation seam 14 is the arc, avoids the stress concentration of crack, influences the intensity of disk body 2, and 3 at least one side of heat dissipation seam set up the convex ridge 15 that is equivalent to the flabellum effect, and when rotatory from disk body 2, convex ridge 15 plays the effect of fan, further effective heat dissipation, increase of service life, convex ridge 15 still is equivalent to the effect of strengthening rib simultaneously, improves the intensity of disk body 2.

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

Claims (8)

1. The utility model provides a high abrasion-resistant type clutch outer disc hub structure, includes axis body (1) and disk body (2), its characterized in that: the disc body (2) is sleeved on the surface of the shaft body (1), a plurality of inner teeth (3) are formed in the inner wall of the shaft body (1), inner tooth grooves (4) are formed between every two adjacent inner teeth (3), a plurality of heat dissipation windows (5) distributed in an annular array are formed in the surface of the disc body (2), a flow guide inclined plane (6) is fixedly connected between every two adjacent heat dissipation windows (5), and the shock absorption mechanism is further included;

damper includes outer damping spring (9) of a plurality of, a plurality of is installation window (8) that the annular array distributes, the one end of outer damping spring (9) with one side fixed connection of installation window (8) inner wall, the other end of outer damping spring (9) with the opposite side fixed connection of installation window (8) inner wall, the inner wall of installation window (8) still is provided with strengthens damper.

2. The high wear resistance clutch outer hub structure of claim 1, wherein: strengthen damper includes interior damping spring (10), the one end of interior damping spring (10) with one side fixed connection of installation window (8) inner wall, the other end of interior damping spring (10) with the opposite side fixed connection of installation window (8) inner wall.

3. The high wear resistance clutch outer hub structure of claim 2, wherein: still including being used for right internal tooth (3) surface carries out lubricated mechanism, lubricated mechanism includes oil storage tank (11) and leads oil groove (12), extending groove (13) have been seted up on the surface of axis body (1), oil storage tank (11) have been seted up the surface of disk body (2), lead the one end of oil groove (12) with the fixed surface intercommunication of oil storage tank (11), lead the other end of oil groove (12) with the fixed surface intercommunication of extending groove (13).

4. The high wear resistance clutch outer hub structure of claim 3, wherein: the aperture of the extension groove (13) is gradually reduced from the outer wall of the shaft body (1) to the inner wall of the shaft body.

5. The high wear resistance clutch outer hub structure of claim 1, wherein: the surface of the diversion inclined plane (6) is provided with diversion trenches (7), and two ends of each diversion trench (7) are respectively fixedly communicated with opposite surfaces of two adjacent heat dissipation windows (5).

6. The high wear resistance clutch outer hub structure of claim 1, wherein: the surface of axis body (1) still seted up a plurality of and be heat dissipation seam (14) that the annular array distributes, a plurality of the equal fixedly connected with convex ridge (15) in surface of heat dissipation seam (14), heat dissipation seam (14) intussuseption is filled with the heat dissipation fat, the tip of heat dissipation seam (14) is the arc.

7. The high wear resistance clutch outer hub structure of claim 3, wherein: outer damping spring (9) with interior damping spring (10) are the high strength alloy material, the shape of oil storage tank (11) is the annular.

8. The high wear resistance clutch outer hub structure of claim 1, wherein: the novel disc is characterized by further comprising an inner disc hub core (16), a plurality of bosses (17) distributed in an annular array are arranged on the outer wall of the inner disc hub core (16), vacant sites (21) are formed between every two adjacent bosses (17), adjusting seams (18) are formed in the surfaces of the plurality of bosses (17), a plurality of positioning grooves (19) are formed in the surface of the inner disc hub core (16), a plurality of positioning protrusions (20) are formed in the surface of the disc body (2), the positioning grooves (19) are matched with the positioning protrusions (20), and two sides of the lower surface of each boss (17) are fillets.

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