CN213744460U

CN213744460U - Thrust plate, crankshaft assembly and engine

Info

Publication number: CN213744460U
Application number: CN202022855773.1U
Authority: CN
Inventors: 豆刚; 周涛; 郭晓轩
Original assignee: Tianjin Terruijie Power Technology Co ltd
Current assignee: Tianjin Terruijie Power Technology Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-07-20
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a thrust plate, a crankshaft assembly and an engine, wherein the thrust plate comprises a thrust plate body, an arc-shaped hollow groove is arranged on the thrust plate body, and one or more rolling components are arranged in the hollow groove; wherein, rolling element is used for at bent axle operation in-process, makes and realizes rolling friction between thrust plate and the bent axle, the utility model discloses an adopt and set up fretwork groove on the thrust plate body to set up one or more rolling element in the fretwork inslot, with the friction mode between thrust plate and the bent axle, improve into rolling friction by sliding friction, great reduction the wear rate of thrust plate, prolonged life.

Description

Thrust plate, crankshaft assembly and engine

Technical Field

The utility model belongs to the technical field of the engine technique and specifically relates to a thrust plate, crankshaft assembly and engine are related to.

Background

In the engine manufacturing industry, in particular, the assembly of the engine inner parts directly affects the performance and quality of the whole engine. When the thrust plate of the crankshaft thrust block is assembled, the direction of the thrust plate is easy to assemble in the opposite direction. When the thrust plate is reversely assembled, the oil passing groove of the thrust plate is assembled towards the main bearing seat, and the reserved oil passing channel with the rotating crank surface is absent, so that an oil film cannot be established between the thrust plate and the rotating crank surface. Causing poor cooling and lubrication, resulting in failure of the main bearing shell, etc.

The other scheme is that a limit structure is added, so that the thrust plate has directionality and cannot be assembled in the reverse direction. Wherein, the probability of misloading can only be reduced through process control, and the problem can not be completely eradicated. Once the bearing bush is misassembled, the bearing bush holding effect is great, and even the life safety can be caused; the problem of wrong assembly can be avoided by adding the limiting structure, but the problem can be found only after the assembly is wrong, the problem can be found by manual assembly, and the problem of abrasion of the thrust plate cannot be solved by the method.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention discloses a thrust plate, which comprises a thrust plate body, wherein an arc-shaped hollow groove is formed in the thrust plate body, and one or more rolling components are arranged in the hollow groove;

wherein the rolling component is used for realizing rolling friction between the thrust plate and the crankshaft during the operation of the crankshaft.

According to some embodiments of the invention, the rolling member comprises at least one of: rollers, needles and balls.

According to some embodiments of the invention, the diameter of the rolling member is greater than or equal to the thickness of the thrust plate body.

According to some embodiments of the utility model, on the thrust plate body with the first side of bent axle contact and with the second side that the first side carried on the back mutually all be provided with the oil groove, every be provided with the oilhole on the oil groove, wherein, the oilhole on the first side with the connecting wire of the oilhole on the second side passes through thrust plate body center.

According to some embodiments of the utility model, the oilhole is the blind hole.

According to some embodiments of the invention, the distance between two adjacent rolling parts ranges from 1mm to 3 mm.

According to some embodiments of the present invention, the thickness of the thrust plate body is 1.0mm to 2.5mm, and the diameter of the roller is greater than the thickness of the thrust plate body by 0.2mm to 0.5 mm.

According to some embodiments of the invention, the thrust plate is a semi-circular structure.

The utility model also discloses a crankshaft assembly, include like above-mentioned thrust plate.

The utility model also discloses an engine, include like above-mentioned thrust plate.

Through the technical scheme, the utility model discloses a set up the fretwork groove on the thrust piece body to set up one or more rolling parts in the fretwork inslot, with the friction mode between thrust piece and the bent axle, improve to rolling friction by sliding friction, great reduction the wear rate of thrust piece, prolonged life.

Drawings

Fig. 1 schematically illustrates a structural schematic diagram of a thrust plate according to an embodiment of the present invention;

wherein, 1 represents a thrust washer body; 2 denotes a roller; 3 denotes an oil groove; and 4, an oil hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.

It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the invention. It may be evident, however, that one or more embodiments may be practiced without these specific details. Furthermore, in the following description, descriptions of well-known technologies are omitted so as to avoid unnecessarily obscuring the concepts of the present invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "comprising" as used herein indicates the presence of the features, steps, operations but does not preclude the presence or addition of one or more other features.

All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. It is noted that the terms used herein should be interpreted as having a meaning that is consistent with the context of this specification and should not be interpreted in an idealized or overly formal sense.

Fig. 1 schematically shows a schematic structural diagram of a thrust plate according to an embodiment of the present invention.

As shown in fig. 1, the utility model discloses a thrust plate, which comprises a thrust plate body 1, wherein an arc-shaped hollow groove is arranged on the thrust plate body, and one or more rolling components are arranged in the hollow groove;

the rolling component is used for realizing rolling friction between the thrust plate and the crankshaft during the operation of the crankshaft.

According to some embodiments of the utility model, the thrust plate fixed mounting is between the gap between bent axle and the organism for prevent bent axle along axial motion.

According to some embodiments of the utility model, one side butt bent axle of thrust plate is rolling friction between thrust plate and the bent axle.

According to the utility model discloses a some embodiments can be provided with between two adjacent rolling parts and keep the ware for strengthen rolling part and holistic strong enemy of structure, increase of service life.

According to some embodiments of the present invention, the thrust plate is an arc-shaped structure.

According to some embodiments of the present invention, the arc center angle of the hollow groove is identical to the arc center angle of the thrust plate.

According to some embodiments of the invention, the rolling member comprises at least one of: rollers 2, needles and balls.

According to some embodiments of the utility model, optionally, fretwork inslot is provided with spacing groove and bayonet lock, and the both ends restriction of roller 2 is at the spacing inslot rotation, and the bayonet lock prevents that roller 2 or kingpin from misplacing spacing groove exterior space.

According to some embodiments of the present invention, optionally, a retainer is provided in the hollow groove, and the roller is connected to the thrust plate body 1 through the retainer.

According to some embodiments of the utility model, rolling element's diameter is greater than or equal to thrust plate body 1's thickness for guarantee rolling element can with bent axle direct contact, and then take place rolling friction.

According to some embodiments of the utility model, the second side that contacts with the first side of bent axle and back on the back with the first side on the thrust plate body 1 all is provided with oil groove 4, is provided with oilhole 3 on every oil groove, and wherein, the connecting wire of oilhole 4 on the first side and the oilhole 4 on the second side passes through thrust plate body center.

According to some embodiments of the present invention, the hollow grooves are symmetrically disposed with the central point of the thrust plate body 1.

According to some embodiments of the present invention, all rolling members are symmetrically disposed with respect to the center point of the thrust plate body 1.

According to some embodiments of the utility model, oil groove 4 and oilhole 3 on the first side of thrust plate body 1 and the second side set up with thrust plate body 1's central point symmetry, also promptly when installing the thrust plate, no matter be thrust plate body 1's first side or second side butt bent axle, the anti-loss that leads to the axle bush and embrace the shadow of tile of thrust plate dress all can not appear, can fundamentally solve the thrust plate misloading problem.

According to some embodiments of the present invention, the oil groove 4 is a blind groove, and the oil groove 4 connects each rolling member and does not provide the lubricating oil for the rolling member.

According to some embodiments of the utility model, oilhole 4 is the blind hole, more accurate lubricating oil (machine oil) that provides.

According to some embodiments of the utility model, the quantity of oilhole 4 is a plurality ofly, and the oil outlet hole looks adaptation on specific quantity and the organism.

According to some embodiments of the present invention, the shape and size of the oil hole 4 are matched with the oil outlet hole on the machine body.

According to the utility model discloses a some embodiments, the distance scope between two adjacent rolling parts is at 1mm ~ 3mm, can be so that the more even of the last lubricating oil of rolling part, prevents that the unsmooth partial oil circuit of oil groove 4 from leading to unable formation oil film or oil film thickness is not enough or the oil film is discontinuous to cause abnormal wear between partial rolling part and the bent axle.

According to some embodiments of the utility model, the thickness of thrust plate body 1 is 1.0mm ~ 2.5mm, and specific size depends on the size of the size in clearance between bent axle and the organism, and the diameter of roller 2 is greater than the thickness 0.2mm ~ 0.5mm of thrust plate body, can guarantee the thickness of the oil film between roller 2 and the bent axle effectively, and the effect is good.

According to some embodiments of the invention, the diameter of the roller 2 is greater than the thickness of the thrust plate body by 0.3 mm.

The utility model also discloses a crankshaft assembly, including the thrust plate as above, wherein, the thrust plate includes thrust plate body 1, is provided with curved fretwork groove on thrust plate body 1, is provided with one or more rolling parts in the fretwork groove;

According to some embodiments of the present invention, the diameter of the rolling member is greater than or equal to the thickness of the thrust plate body 1.

According to some embodiments of the utility model, the second side that contacts with the first side of bent axle and back on the back with the first side on the thrust plate body 1 all is provided with oil groove 4, is provided with oilhole 3 on every oil groove 4, and wherein, the connecting wire of oilhole 3 on the first side and the oilhole 3 on the second side passes through thrust plate body center.

According to some embodiments of the utility model, oilhole 3 is the blind hole.

According to some embodiments of the present invention, the distance between two adjacent rolling elements ranges from 1mm to 3 mm.

According to some embodiments of the present invention, the thickness of the thrust plate body 1 is 1.0mm to 2.5mm, and the diameter of the roller 2 is greater than the thickness of the thrust plate body by 0.2mm to 0.5 mm.

Through the technical scheme, the utility model discloses a set up the fretwork groove on the thrust piece body to set up one or more rolling parts in the fretwork inslot, with the friction mode between thrust piece and the bent axle, for rolling friction by the sliding friction change, great reduction the wear rate of thrust piece, prolonged life. Through setting up fretwork groove, rolling element, oil groove and the oilhole with thrust plate body central point symmetry, can realize no matter the thrust plate is just adorning or reverse dress, all do not influence the use, fundamentally has solved positive and negative misloading problem.

So far, the embodiments of the present invention have been described in detail with reference to the accompanying drawings. It is to be noted that, in the attached drawings or in the description, the implementation modes not shown or described are all the modes known by the ordinary skilled person in the field of technology, and are not described in detail. In addition, the above definitions of the components are not limited to the specific structures, shapes or manners mentioned in the embodiments, and those skilled in the art may easily modify or replace them.

It should also be noted that, unless otherwise indicated, the numerical parameters set forth in the specification and attached claims are approximations that can vary depending upon the desired properties sought to be obtained by the teachings of the present invention. In particular, all numbers expressing dimensions, range conditions, and so forth, used in the specification and claims are to be understood as being modified in all instances by the term "about". Generally, the expression is meant to encompass variations of ± 10% in some embodiments, 5% in some embodiments, 1% in some embodiments, 0.5% in some embodiments by the specified amount.

It will be appreciated by a person skilled in the art that various combinations and/or combinations of features described in the various embodiments and/or the claims of the present invention are possible, even if such combinations or combinations are not explicitly described in the present invention. In particular, various combinations and/or combinations of the features recited in the various embodiments and/or claims of the present invention may be made without departing from the spirit and teachings of the invention. All such combinations and/or associations fall within the scope of the present invention.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The thrust plate is characterized by comprising a thrust plate body, wherein an arc-shaped hollow groove is formed in the thrust plate body, and one or more rolling components are arranged in the hollow groove;

2. The thrust plate of claim 1, wherein said rolling member comprises at least one of: rollers, needles and balls.

3. The thrust plate of claim 1, wherein a diameter of the rolling member is greater than or equal to a thickness of the thrust plate body.

4. The thrust plate of claim 1, wherein oil grooves are disposed on a first side of the thrust plate body contacting the crankshaft and a second side opposite to the first side, and each oil groove is provided with an oil hole, wherein a connecting line between the oil hole on the first side and the oil hole on the second side passes through a center of the thrust plate body.

5. The thrust plate of claim 4, wherein said oil bore is a blind bore.

6. The thrust plate as recited in any one of claims 1 to 5, wherein a distance between adjacent two of said rolling members ranges from 1mm to 3 mm.

7. The thrust plate of claim 1, wherein a thickness of the thrust plate body is 1.0mm to 2.5mm, and a diameter of the roller is 0.2mm to 0.5mm greater than the thickness of the thrust plate body.

8. The thrust plate of claim 1, wherein the thrust plate is a semi-circular structure.

9. A crankshaft assembly comprising a thrust plate as claimed in any one of claims 1 to 8.

10. An engine comprising the thrust plate of any one of claims 1 to 8.