CN207178479U - A kind of high-efficiency and low-cost main beating cap location structure - Google Patents

A kind of high-efficiency and low-cost main beating cap location structure Download PDF

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Publication number
CN207178479U
CN207178479U CN201721067185.3U CN201721067185U CN207178479U CN 207178479 U CN207178479 U CN 207178479U CN 201721067185 U CN201721067185 U CN 201721067185U CN 207178479 U CN207178479 U CN 207178479U
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CN
China
Prior art keywords
main
beating cap
bearing wall
main beating
main bearing
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Expired - Fee Related
Application number
CN201721067185.3U
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Chinese (zh)
Inventor
李伟
张俊强
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Lester Technology Center (shanghai) Ltd
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Lester Technology Center (shanghai) Ltd
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Priority to CN201721067185.3U priority Critical patent/CN207178479U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

A kind of high-efficiency and low-cost main beating cap location structure, comprising main bearing wall, main beating cap and Main bearing bolt, main bearing wall and main beating cap select the material of different hardness;One side of main bearing wall and main beating cap contact surface sets some location divisions, and another side relevant position sets depressed part, accommodates the location division.The utility model reduces number of parts and amount of machining, can improve production efficiency and reduce cost;Its design shape and position are flexible, are easy to the optimization of main beating cap and main bearing wall;It is favorably improved the work of cylinder body main bearing wall and the correct maintainability of bent axle.

Description

A kind of high-efficiency and low-cost main beating cap location structure
Technical field
It the utility model is related to automobile engine bearings technical field, and in particular to a kind of high-efficiency and low-cost main beating cap Location structure.
Background technology
Existing automobile engine main bearing hole majority is all that will be combined after main beating cap and cylinder body assembling on machine ledger line Processing obtains, when engine assembly assembly line is assembled need to by the main beating cap of Combined machining separate after again with bent axle, axle Watt, thrust bearing etc. sequentially assemble together, the main bearing hole after re-assemblying should meet basic size and circularity, cylindricity, same The design requirement of the form and position tolerances such as axle degree, it is therefore desirable to have reliable high-precision positioning function between main beating cap and cylinder body.Such as It is traditional straight pin positioning method shown in Fig. 1 ~ Fig. 2, is traditional sleeve pin positioning method, also side as shown in Fig. 3 ~ Fig. 4 The modes such as face positioning, they are required for alignment pin part by individually processing and high-precision machining to ensure that its is reliable high Precision positioning function, this constitutional detail is more, and machining cost is high, and assembly process is more, has necessarily to the physical dimension of base bearing It is required that especially suitable for the engine that cylinder body is cast iron.For aluminium alloy cylinder engine, in view of the machine that aluminum alloy materials are special Tool performance, if the mode positioned with impression, it is possible to reduce number of parts, reduce machining, improve processing and efficiency of assembling, and It is finally reached high repetition assembly precision and reduces the purpose of cost.
Utility model content
The utility model aims to provide a kind of high-efficiency and low-cost main beating cap location structure, applied to car engine owner In bearing hole process, the positioning precision between main beating cap and cylinder body is improved.
A kind of high-efficiency and low-cost main beating cap location structure, it is main comprising main bearing wall, main beating cap and Main bearing bolt The hardness of bearing cap is more than the hardness of main bearing wall, and the main beating cap side setting of main bearing wall and main beating cap contact surface is some fixed Position portion;Position on main bearing wall corresponding to location division sets depressed part, accommodates the location division.
A kind of above-mentioned high-efficiency and low-cost main beating cap location structure, wherein, the material of main bearing wall is aluminium alloy, main The material of bearing cap is powdered metallurgical material.
A kind of high-efficiency and low-cost main beating cap location structure, it is main comprising main bearing wall, main beating cap and Main bearing bolt The hardness of bearing wall is more than the hardness of main beating cap, and the main bearing wall side setting of main bearing wall and main beating cap contact surface is some fixed Position portion;Position in main beating cap corresponding to location division sets depressed part, accommodates the location division.
A kind of above-mentioned high-efficiency and low-cost main beating cap location structure, wherein, the material of main beating cap is aluminium alloy, main The material of bearing wall is powdered metallurgical material.
Any one above-mentioned high-efficiency and low-cost main beating cap location structure, wherein, the quantity of the location division is even Number, is symmetrically distributed in main bearing wall and main beating cap contact surface Axisymmetric Distributed Line both sides.
Any one above-mentioned high-efficiency and low-cost main beating cap location structure, wherein, the location division be provided with pinnacle and/ Or it is provided with cutting edge in side.
Any one above-mentioned high-efficiency and low-cost main beating cap location structure, wherein, set around the location division bottom Avoiding space is put, the avoiding space is less than main bearing wall and main beating cap contact surface.
Any one above-mentioned high-efficiency and low-cost main beating cap location structure, wherein, corresponding to the location division, in master Avoiding space is set on bearing wall or main beating cap, and the avoiding space is less than main bearing wall and main beating cap contact surface.
Any one above-mentioned high-efficiency and low-cost main beating cap location structure, wherein, the avoiding space is circle, just Square or rectangle.
Any one above-mentioned high-efficiency and low-cost main beating cap location structure, wherein, the location division sinter molding.
Any one above-mentioned high-efficiency and low-cost main beating cap location structure, wherein, the location division is cone, cone Saltire shape or tack cross.
The advantages of the utility model and beneficial effect are:
1) positioned using sinter molding and impression, eliminate Cylindrical locating pins(Set), reduce number of parts.
2) supporting alignment pin is eliminated(Set)And positioning hole, reduce processing capacity, improve production efficiency.
3) supporting alignment pin is eliminated(Set)And positioning hole, avoid tiring out caused by conventional locating pins and hole machining Product error, improves assembly precision, product quality, and be easy to quality control.
4) supporting alignment pin is eliminated(Set)And positioning hole, simplify assembly technology, it is possible to increase efficiency of assembling.
5) location division shape is varied, and the optimization for main beating cap and cylinder body main bearing wall advantageously, is easy to reach To optimal design.
Brief description of the drawings
Fig. 1 is existing positioning pin positioning structure sectional view.
Fig. 2 is existing positioning pin positioning structure shaft side figure.
Fig. 3 is existing positioning sleeve location structure sectional view.
Fig. 4 is existing positioning sleeve location structure shaft side figure.
Fig. 5 is location structure sectional view in the utility model.
Fig. 6 is location structure shaft side figure in the utility model.
Fig. 7 is the detail sectional view that location structure amplifies in the utility model.
Fig. 8 is the detail view that location structure amplifies in the utility model.
Fig. 9 is taper cross location division in the utility model.
Figure 10 is tack cross location division in the utility model.
Figure 11 is conical location division in the utility model.
Figure 12 is circular avoiding space in the utility model.
Figure 13 is square avoiding space in the utility model.
Figure 14 is rectangle avoiding space in the utility model.
Figure 15 is the prefabricated avoiding space on main bearing wall in the utility model.
Embodiment
Below in conjunction with accompanying drawing, by describing several preferable specific embodiments in detail, the utility model is done and further explained State.
Automobile engine main bearing wall 1 and main beating cap 2 are carried out after being fastenedly connected by Main bearing bolt 3 in connecting portion Reprocessing, form main bearing hole.Thereafter Main bearing bolt 3 is eased out to carry out follow-up assembly manipulation, when finally retightening Location structure is needed to improve positioning precision.Main bearing wall 1 and main beating cap 2 use the material of different hardness in the utility model Material, wherein, the location division 4 of sharp protrusion is set on the higher part of material hardness, main shaft is utilized when being fastenedly connected for the first time Hold bolt 3 tighten caused by axle power form depressed part on the relatively low part of material hardness.The axle power ensures that location division 4 is complete It is pressed into the main bearing wall 1 or main beating cap 2 of pairing, it is produced permanent plastic deformation, and main bearing wall 1 and base bearing The faying face of lid 2 can be brought into close contact.So as to which the location division 4 of described sharp protrusion and described depressed part form positioning knot Structure, it is ensured that main bearing wall 1 and main beating cap 2 keep higher assembly precision when the later stage repeating to dismount.
As shown in figure 5, a kind of high-efficiency and low-cost main beating cap location structure, includes main bearing wall 1, the and of main beating cap 2 Main bearing bolt 3, wherein, the material of main bearing wall 1 and the selection different hardness of main beating cap 2;Main bearing wall 1 and main beating cap 2 One side of contact surface sets some location divisions 4, and another side relevant position sets depressed part, accommodates the location division 4.
Further, the hardness of main beating cap 2 is much larger than the hardness of main bearing wall 1, and main bearing wall 1 and main beating cap 2 connect The side of main beating cap 2 of contacting surface sets some location divisions 4;After Main bearing bolt 3 fastens main bearing wall 1 and main beating cap 2 for the first time, Position on main bearing wall 1 corresponding to location division 4 forms depressed part, accommodates the location division 4.
Or the hardness of main bearing wall 1 is much larger than the hardness of main beating cap 2, main bearing wall 1 and the contact surface of main beating cap 2 The side of main bearing wall 1 some location divisions 4 are set;After Main bearing bolt 3 fastens main bearing wall 1 and main beating cap 2 for the first time, main shaft Hold the position on lid 2 corresponding to location division 4 and form depressed part, accommodate the location division 4.
Further, the quantity of the location division 4 is even number, is symmetrically distributed in main bearing wall 1 and the contact surface of main beating cap 2 Axisymmetric Distributed Line both sides.In embodiment as shown in Figure 6, four location divisions 4 are respectively about main bearing hole center line 6 and two main shafts It is symmetrical to hold the bolt plane 7 of the composition of bolt 3, main bearing wall 1 and the contact surface of main beating cap 2 during ensuring that Main bearing bolt 3 is tightened Symmetrical stress.
Further, the parameter such as the strength grade of the Main bearing bolt 3, appearance and size and tightening method are according to experiment point Result is analysed to determine.
Further, the material of main bearing wall 1 is aluminium alloy, and the material of main beating cap 2 is powdered metallurgical material.
Or the material of main beating cap 2 is aluminium alloy, the material of main bearing wall 1 is powdered metallurgical material.
Further, the location division 4 is provided with sharp ogival and/or sharp side cutting edge.In Main bearing bolt 3 Axle power compress under, the higher location division 4 of hardness is easy in the relatively low main bearing wall 1 of penetration hardness or main beating cap 2, in main shaft Hold and depressed part is formed in wall 1 or main beating cap 2, location division 4 and depressed part coordinate the multi-direction affined positioning of composition.Follow-up Repeated disassembled and assembled in realize accurate positioning function between main bearing wall 1 and main beating cap 2.It is as shown in figure 9, criss-cross for taper Location division 4, its top is wedge angle, and there are four sharp cutting edges side.As shown in Figure 10, it is the criss-cross location division 4 of tack, its Formed for the triangular prism cross of two accumbency, top is criss-cross wedge angle.As shown in figure 11, it is conical location division 4, Its top is wedge angle, and the conical surface does not set cutting edge.In addition to diagram, location division 4 can also be polygon pyramid, more cutting edge petals or other Shape.
Further, avoiding space 5 is set around the bottom of location division 4, the avoiding space 5 is less than main bearing wall 1 With the contact surface of main beating cap 2, formed and be recessed around location division 4.The avoiding space 5 is used to accommodate main bearing wall 1 or base bearing Lid 2 is squeezed and is plastically deformed the material of the micro aluminium alloy so as to overflow.Or corresponding to the location division 4, in base bearing Avoiding space 5 is set on wall 1 or main beating cap 2, and the avoiding space 5 is less than main bearing wall 1 and the contact surface of main beating cap 2.Such as Shown in Figure 12 ~ 14, its shape has circular, square and rectangle etc. a variety of.When location division 4 and avoiding space 5 are respectively positioned at master When on bearing wall 1 and main beating cap 2, described depressed part overlaps with avoiding space 5.It is recessed what is formed after once assembling The portion of falling into is located in avoiding space 5.
Further, the sinter molding of location division 4, becames one with main beating cap, without other processing and assembler Skill, it is adapted to produce in enormous quantities, there is low-cost advantage.The location division 4 is formed in powder metallurgy sintered mould, without other Processing can be various shapes, it is necessary to analyze and test to determine and match with the technological level of powder metallurgy by calculating, And facilitate depanning.
Further, the casting of avoiding space 5 or machining.
As shown in figure 15, it is corresponding to the avoiding space 5 of location division 4 in main bearing wall 1 or main beating cap 2.The avoidance Space 5 is prefabricated on main bearing wall 1 or main beating cap 2 when manufacturing main bearing wall 1 or main beating cap 2, after once mounting, The micro aluminum alloy materials squeezed out by location division 4 are resided in this avoiding space 5.
Although content of the present utility model is discussed in detail by above preferred embodiment, but it should be appreciated that on The description stated is not considered as to limitation of the present utility model.After those skilled in the art have read the above, for A variety of modifications and substitutions of the present utility model all will be apparent.Therefore, the scope of protection of the utility model should be by appended Claim limit.

Claims (10)

1. a kind of high-efficiency and low-cost main beating cap location structure, includes main bearing wall(1), main beating cap(2)With base bearing spiral shell Bolt(3), it is characterised in that main beating cap(2)Hardness be more than main bearing wall(1)Hardness, main bearing wall(1)And main beating cap (2)The main beating cap of contact surface(2)Side sets some location divisions(4);Main bearing wall(1)It is upper to correspond to location division(4)Position Depressed part is set, accommodates the location division(4).
A kind of 2. high-efficiency and low-cost main beating cap location structure as claimed in claim 1, it is characterised in that main bearing wall (1)Material be aluminium alloy, main beating cap(2)Material be powdered metallurgical material.
3. a kind of high-efficiency and low-cost main beating cap location structure, includes main bearing wall(1), main beating cap(2)With base bearing spiral shell Bolt(3), it is characterised in that main bearing wall(1)Hardness be more than main beating cap(2)Hardness, main bearing wall(1)And main beating cap (2)The main bearing wall of contact surface(1)Side sets some location divisions(4);Main beating cap(2)It is upper to correspond to location division(4)Position Depressed part is set, accommodates the location division(4).
A kind of 4. high-efficiency and low-cost main beating cap location structure as claimed in claim 3, it is characterised in that main beating cap (2)Material be aluminium alloy, main bearing wall(1)Material be powdered metallurgical material.
5. a kind of high-efficiency and low-cost main beating cap location structure as described in claim 1 or 3, it is characterised in that described fixed Position portion(4)Quantity be even number, be symmetrically distributed in main bearing wall(1)And main beating cap(2)The Axisymmetric Distributed Line both sides of contact surface.
6. a kind of high-efficiency and low-cost main beating cap location structure as described in claim 1 or 3, it is characterised in that described fixed Position portion(4)Cutting edge is provided with provided with pinnacle and/or in side.
7. a kind of high-efficiency and low-cost main beating cap location structure as described in claim 1 or 3, it is characterised in that around institute State location division(4)Bottom sets avoiding space(5), the avoiding space(5)Less than main bearing wall(1)And main beating cap(2)Connect Contacting surface.
8. a kind of high-efficiency and low-cost main beating cap location structure as described in claim 1 or 3, it is characterised in that correspond to The location division(4), in main bearing wall(1)Or main beating cap(2)Upper setting avoiding space(5), the avoiding space(5)It is less than Main bearing wall(1)And main beating cap(2)Contact surface.
9. a kind of high-efficiency and low-cost main beating cap location structure as described in claim 1 or 3, it is characterised in that described fixed Position portion(4)Sinter molding.
10. a kind of high-efficiency and low-cost main beating cap location structure as described in claim 1 or 3, it is characterised in that described fixed Position portion(4)For cone, taper cross or tack cross.
CN201721067185.3U 2017-08-24 2017-08-24 A kind of high-efficiency and low-cost main beating cap location structure Expired - Fee Related CN207178479U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721067185.3U CN207178479U (en) 2017-08-24 2017-08-24 A kind of high-efficiency and low-cost main beating cap location structure

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Application Number Priority Date Filing Date Title
CN201721067185.3U CN207178479U (en) 2017-08-24 2017-08-24 A kind of high-efficiency and low-cost main beating cap location structure

Publications (1)

Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3102807A1 (en) * 2019-11-06 2021-05-07 Renault S.A.S Conical centering pin

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3102807A1 (en) * 2019-11-06 2021-05-07 Renault S.A.S Conical centering pin
EP3819508A1 (en) * 2019-11-06 2021-05-12 RENAULT s.a.s. Conical centring pin

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