CN106989158B - Driving wheel structure of automobile engine water pump - Google Patents

Driving wheel structure of automobile engine water pump Download PDF

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Publication number
CN106989158B
CN106989158B CN201710375368.XA CN201710375368A CN106989158B CN 106989158 B CN106989158 B CN 106989158B CN 201710375368 A CN201710375368 A CN 201710375368A CN 106989158 B CN106989158 B CN 106989158B
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China
Prior art keywords
driving wheel
wheel body
tooth
assembling
assembly
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CN201710375368.XA
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CN106989158A (en
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陈惠莲
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Ningbo Jinxin Powder Metallurgy Co ltd
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Ningbo Jinxin Powder Metallurgy Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H55/00Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02Toothed members; Worms
    • F16H55/17Toothed wheels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00Shafts; Axles; Cranks; Eccentrics
    • F16C3/02Shafts; Axles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H55/00Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02Toothed members; Worms
    • F16H55/08Profiling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H55/00Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02Toothed members; Worms
    • F16H55/08Profiling
    • F16H2055/0866Profiles for improving radial engagement of gears, e.g. chamfers on the tips of the teeth

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a driving wheel structure of an automobile engine water pump, which comprises a driving wheel body, wherein an assembly shaft integrally formed with the driving wheel body is arranged in the center of the driving wheel body, an assembly hole is formed in the center of the assembly shaft, assembly bosses are respectively arranged at the upper end and the lower end of the assembly shaft, and front liners are arranged on the front surface of the driving wheel body at the two sides of the assembly shaft; the periphery of the driving wheel body is provided with a tooth manufacturing part, driving teeth are manufactured on the periphery of the tooth manufacturing part, tooth grooves are formed between adjacent driving teeth, arc-shaped bulges are arranged at the bottoms of the tooth grooves, and the surface of the driving wheel body is subjected to steam treatment to form a reinforcing layer. The invention has the advantages that: the structure is simple, and the stability is good; arc protruding that the bottom of tooth's socket set up can reduce the meshing wearing and tearing between the gear to improve the life of drive wheel, the surface forms the enhancement layer through steam treatment, makes the surface more glossy, reduces coefficient of friction, can also improve surface strength.

Description

Driving wheel structure of automobile engine water pump
Technical Field
The invention relates to a spare and accessory part of an automobile water pump, in particular to a driving wheel structure of an automobile engine water pump.
Background
It is known that when the engine is in operation, the cooling system is important, and the insufficient cooling or the excessive cooling can cause failure
As a result, the engine fails to operate normally, power is reduced, and life is shortened.
As one of the most important execution components in the engine cooling system, the water pump component is used for pressurizing cooling water, the water pump driving wheel is used for driving the water pump to work, the operation of the water pump component is realized through belt transmission with the engine, and the water pump component is driven by the water pump belt wheel to enable the cooling water to flow through the cooling system to perform forced circulation; when the engine is ready to operate, the generator rotates first, and the driving belt drives the water pump belt wheels to operate together, so that the normal operation of the engine is ensured.
The existing automobile water pump driving wheels in China are mostly formed by casting or hob machining, and have the defects of high cost, complex machining process, long production period and the like; in addition, the mechanical equipment has a heating phenomenon in the operation process, and if the heat cannot be dissipated, the equipment cannot stably operate for a long time, and even the equipment fails to operate.
Disclosure of Invention
Aiming at the current state of the art, the invention provides the driving wheel structure of the automobile engine water pump, which has the advantages of simple structure, good stability, large overall strength and long service life.
The technical scheme adopted for solving the technical problems is as follows:
the automobile engine water pump driving wheel structure comprises a driving wheel body, wherein an assembling shaft which is integrally formed with the driving wheel body is arranged in the center of the driving wheel body, an assembling hole is formed in the center of the assembling shaft, assembling bosses are respectively arranged at the upper end and the lower end of the assembling shaft, and front linings are arranged on the front surface of the driving wheel body on the two sides of the assembling shaft; the periphery of the driving wheel body is provided with a tooth manufacturing part, driving teeth are manufactured on the periphery of the tooth manufacturing part, tooth grooves are formed between adjacent driving teeth, arc-shaped bulges are arranged at the bottoms of the tooth grooves, and the surface of the driving wheel body is subjected to steam treatment to form a reinforcing layer.
The optimized technical measures also comprise:
and rear linings are arranged on the two sides of the assembly shaft and positioned on the back surface of the driving wheel body.
The rear lining and the corresponding front lining are arranged oppositely, and the corresponding rear lining and the front lining are arranged on two sides of the same position of the driving wheel body.
The two sides of the top of the driving tooth are arc-shaped structures.
The inner side of the tooth making part is of an inclined structure, and the joint of the inclined structure and the driving wheel body is provided with an arc transition.
The front end of the assembly shaft is provided with an assembly protrusion.
The weight reducing holes are formed in the driving wheel body.
The width of the tooth-making part is larger than the sum of the thickness of the driving wheel body and the height of the assembling boss and smaller than the length of the assembling shaft.
The assembling height of the assembling boss is 3.45mm.
The width of the tooth making part is 14.3mm to 14.7mm.
The driving wheel structure of the automobile engine water pump is simple in structure, the upper end and the lower end of the assembling shaft are respectively provided with the assembling bosses, and the front side of the driving wheel body, which is positioned at the two sides of the assembling shaft, is provided with the front lining, so that the structure not only can increase the strength of the assembling shaft part, but also can improve the assembling stability; the tooth making part is arranged, the width of the driving teeth can be increased, driving force is increased, arc protrusions arranged at the bottom of the tooth grooves can reduce meshing abrasion between gears, the service life of the driving wheels is prolonged, the surface is subjected to steam treatment to form a reinforcing layer, the surface is enabled to be more glossy, the friction coefficient is reduced, and the surface strength can be improved.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a cross-sectional view of B-B of FIG. 1;
FIG. 4 is a cross-sectional view of C-C of FIG. 1;
FIG. 5 is an enlarged view of portion D of FIG. 4;
FIG. 6 is an enlarged view of portion E of FIG. 5;
fig. 7 is a rear view of an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
The present invention is schematically illustrated in figures 1 to 7,
wherein the reference numerals are as follows: the driving wheel body 1, the reinforcing layer 1a, the tooth forming part 11, the weight reducing hole 12, the assembly shaft 2, the assembly hole 2a, the assembly boss 21, the assembly boss 22, the front lining 3, the driving teeth 4, the tooth grooves 41, the arc-shaped boss 42 and the rear lining 5.
As shown in figures 1 to 7 of the drawings,
the driving wheel structure of the automobile engine water pump comprises a driving wheel body 1, wherein an assembly shaft 2 integrally formed with the driving wheel body 1 is arranged in the center of the driving wheel body 1, an assembly hole 2a is formed in the center of the assembly shaft 2, assembly bosses 21 are respectively arranged at the upper end and the lower end of the assembly shaft 2, and front liners 3 are arranged on the front surface of the driving wheel body 1 at the two sides of the assembly shaft 2; the periphery of the driving wheel body 1 is provided with a tooth manufacturing part 11, the periphery of the tooth manufacturing part 11 is provided with driving teeth 4, tooth grooves 41 are formed between adjacent driving teeth 4, the bottom of each tooth groove 41 is provided with an arc-shaped bulge 42, and the surface of the driving wheel body 1 is subjected to steam treatment to form a reinforcing layer 1a.
In the embodiment, the rear lining 5 is arranged on both sides of the assembly shaft 2 on the back of the driving wheel body 1.
In the embodiment, the rear linings 5 are disposed opposite to the corresponding front linings 3, and the corresponding rear linings 5 and front linings 3 are disposed on both sides of the same position of the driving wheel body 1.
The provision of the rear gasket 5 can further increase the strength of the portion of the fitting shaft 2; and the corresponding back lining 5 is arranged corresponding to the front lining 3, so that the structure strengthening effect is better.
In the embodiment, the two sides of the top of the driving teeth 4 are arc-shaped.
In the embodiment, the inner side of the tooth forming part 11 is in an inclined structure, and the joint of the inclined structure and the driving wheel body 1 is provided with an arc transition. With this structure (as shown in fig. 3), stress concentration at the joint between the tooth forming portion 11 and the drive wheel body 1 can be reduced, and strength of the tooth forming portion 11 can be improved.
In the embodiment, the front end of the fitting shaft 2 is provided with a fitting projection 22 (as shown in fig. 6). The fitting projection 22 is fitted into the fitting hole of the fitting portion, and gives the front end of the fitting shaft 2 support and positioning, so that further fitting stability is enabled.
In the embodiment, the driving wheel body 1 is provided with a lightening hole 12. The weight reducing holes 12 can reduce the weight of the driving wheel, save raw materials and reduce the manufacturing cost.
In the embodiment, the width of the tooth forming portion 11 is larger than the sum of the thickness of the driving wheel body 1 and the height of the assembling boss 21, and smaller than the length of the assembling shaft 2.
In the embodiment, the fitting height of the fitting boss 21 is 3.45mm.
The width of the tooth-making portion 11 is 14.3mm to 14.7mm. In this embodiment, the width of the tooth-forming portion 11 is 14.5mm, and the length of the fitting shaft 2 is 17.05mm.
The water pump driving wheel is provided with the assembling bosses 21 at the upper end and the lower end of the assembling shaft 2 respectively to improve the assembling stability, the front lining 3 is arranged on the front surface of the driving wheel body 1 at the two sides of the assembling shaft 2, and the rear lining 5 is arranged at the opposite position of the back surface to improve the strength of the assembling shaft 2. The periphery of the driving wheel body 1 is provided with a tooth making part 11, the tooth making part 11 axially extends to the front of the driving wheel body 1, and the width of the driving teeth 4 is increased under the condition that the total weight of the driving wheel is not greatly increased, so that the driving force of the driving wheel can be effectively improved; the bottoms of the tooth grooves 41 between the adjacent driving teeth 4 are provided with arc-shaped protrusions 42, and the arc-shaped protrusions 42 can reduce the engagement wear between the gears, thereby improving the service life of the driving wheel.
The driving wheel of the water pump is manufactured by adopting a powder metallurgy process, so that the manufacturing is convenient, and the material utilization rate is high; and a reinforcing layer 1a is formed on the surface of the driving wheel body 1 by a surface vapor treatment technique commonly used in powder metallurgy manufacturing. The basic principle of the steam treatment is that the oxidation protection film is formed by oxidizing the surface of the product with steam. After surface steam treatment, the surface gloss can be increased, the friction coefficient can be reduced, the surface hardness can be improved, the wear resistance and the adhesive wear resistance can be improved, the corrosion resistance can be enhanced, and the storage time can be prolonged.
In order to ensure the quality of the product, sharp corners and burrs are removed after the product is processed, so that the surface of the product is smooth, and meanwhile, the product is strictly inspected, so that the defects such as cracks and sand holes are avoided.
The preferred embodiments of this invention have been described so far that various changes or modifications may be made by one of ordinary skill in the art without departing from the scope of this invention.

Claims (3)

1. The driving wheel structure of the automobile engine water pump comprises a driving wheel body (1), wherein an assembling shaft (2) integrally formed with the driving wheel body (1) is arranged in the center of the driving wheel body (1), and an assembling hole (2 a) is formed in the center of the assembling shaft (2); the outer periphery of the driving wheel body (1) is provided with a tooth manufacturing part (11), the outer periphery of the tooth manufacturing part (11) is provided with driving teeth (4), and tooth grooves (41) are formed between adjacent driving teeth (4); the method is characterized in that: the upper end and the lower end of the assembly shaft (2) are respectively provided with an assembly boss (21), and the front surface of the driving wheel body (1) positioned at the two sides of the assembly shaft (2) is provided with a front lining (3); the bottom of the tooth groove (41) is provided with an arc-shaped bulge (42), and the surface of the driving wheel body (1) is subjected to steam treatment to form a strengthening layer (1 a);
the two sides of the assembly shaft (2) are positioned on the back surface of the driving wheel body (1) and are provided with rear linings (5);
the rear linings (5) are arranged opposite to the corresponding front linings (3), and the corresponding rear linings (5) and the front linings (3) are arranged on two sides of the same position of the driving wheel body (1);
the inner side of the tooth making part (11) is of an inclined structure, and the joint of the inclined structure and the driving wheel body (1) is provided with arc transition;
the front end of the assembly shaft (2) is provided with an assembly bulge (22);
the width of the tooth forming part (11) is larger than the sum of the thickness of the driving wheel body (1) and the height of the assembling boss (21) and smaller than the length of the assembling shaft (2);
the assembling height of the assembling boss (21) is 3.45mm;
the width of the tooth making part (11) is 14.3mm to 14.7mm; the length of the assembly shaft (2) is 17.05mm.
2. The automobile engine water pump driving wheel structure according to claim 1, characterized in that: the two sides of the top of the driving tooth (4) are arc-shaped structures.
3. The automobile engine water pump driving wheel structure according to claim 2, characterized in that: the driving wheel body (1) is provided with a lightening hole (12).
CN201710375368.XA 2017-05-24 2017-05-24 Driving wheel structure of automobile engine water pump Active CN106989158B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201710375368.XA CN106989158B (en) 2017-05-24 2017-05-24 Driving wheel structure of automobile engine water pump

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CN106989158B true CN106989158B (en) 2023-07-14

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Publication number Priority date Publication date Assignee Title
CN201221398Y (en) * 2008-05-12 2009-04-15 奇瑞汽车股份有限公司 Engine water pump
CN202381659U (en) * 2011-11-12 2012-08-15 宁波金鑫粉末冶金有限公司 Belt pulley of gasoline engine
JP2015113916A (en) * 2013-12-11 2015-06-22 住友重機械工業株式会社 Eccentric oscillation type speed reducer and method of manufacturing eccentric body shaft gear
CN205937708U (en) * 2016-06-07 2017-02-08 上海锐拍智能科技有限公司 Integral type drive gear

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