CN208457183U - Piston - Google Patents

Piston Download PDF

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Publication number
CN208457183U
CN208457183U CN201820937362.7U CN201820937362U CN208457183U CN 208457183 U CN208457183 U CN 208457183U CN 201820937362 U CN201820937362 U CN 201820937362U CN 208457183 U CN208457183 U CN 208457183U
Authority
CN
China
Prior art keywords
blind hole
cock body
face
circular trough
slot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201820937362.7U
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Chinese (zh)
Inventor
许建国
姜金万
胡佳深
李佳
蒋栋豪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Sanwei Datong Precision Forging Co.,Ltd.
Original Assignee
Zhejiang Three Dimensional Datong Precision Forging Technology Co Ltd
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Priority to CN201820937362.7U priority Critical patent/CN208457183U/en
Application granted granted Critical
Publication of CN208457183U publication Critical patent/CN208457183U/en
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Abstract

The utility model belongs to auto parts technical field, more particularly, to a kind of piston.Including the cock body being in the form of a column, cock body offers blind hole on one end, the cross section of blind hole includes equally distributed segmental arc on four circumferencial directions, it is connected between two neighboring segmental arc by straightway, two opposed straightways are parallel to each other, annular is equipped between blind hole inner face and blind hole side wall to incline face, annular incline face diameter from outside to inside component reduce, incline in annular and is equipped with inner arc guide face between face and blind hole side wall, cock body far from one end of blind hole be equipped with it is several along the circumferential direction on be uniformly distributed and the splayed slot of small end inwardly, splayed slot inner end is equipped with inclined slope.Compared with prior art, be the advantages of this piston: 1, rationally, job stability is strong, sound construction for design.2, good airproof performance has effectively ensured stabilization of equipment performance.3, the flowing stationarity for ensureing fluid, improves overall stability.

Description

Piston
Technical field
The utility model belongs to auto parts technical field, more particularly, to a kind of piston.
Background technique
Piston is one of common components on automobile.But that there is job stabilitys is poor for existing piston, is easy to The technical problems such as damage.
Summary of the invention
The purpose of this utility model be in view of the above-mentioned problems, provide it is a kind of design rationally, job stability is strong, sound construction Piston.
In order to achieve the above objectives, the utility model uses following technical proposal: this piston, which is characterized in that including being in Columnar cock body, offers blind hole on described cock body one end, the cross section of the blind hole include on four circumferencial directions The segmental arc of even distribution is connected between two neighboring segmental arc by straightway, and two opposed straightways are parallel to each other, institute It is equipped with annular between the blind hole inner face stated and blind hole side wall to incline face, the annular is inclined, and component contracts from outside to inside for the diameter in face It is small, incline in annular and be equipped with inner arc guide face between face and blind hole side wall, the cock body is equipped with several edges far from one end of blind hole It is uniformly distributed on circumferencial direction and the splayed slot of small end inwardly, the splayed slot inner end is described equipped with inclined slope For inclined slope from outer end to inner end gradually to inclination on the outside of splayed slot, several inclined slopes are round with first in the middle part of the cock body end Slot is connected, be equipped on the arc boss between any two neighboring splayed slot it is several using cock body central axes as the center of circle circumferentially The strip bulge for being uniformly distributed on direction and being axially arranged.
In above-mentioned piston, the cock body set far from one end of blind hole there are three being uniformly distributed on along the circumferential direction and The splayed slot of small end inwardly, three inclined slopes are connected with the first circular trough in the middle part of the cock body end.
In above-mentioned piston, be equipped on the arc boss between any two neighboring splayed slot ten with Cock body central axes are the strip bulge that the center of circle is uniformly distributed on along the circumferential direction and is axially arranged.
In above-mentioned piston, over-tilting face is equipped between the arc boss and splayed slot.
It is excessive that arc is equipped in above-mentioned piston, between adjacent segmental arc and straightway.
In above-mentioned piston, one end that the cock body is located at blind hole is equipped with inner chamfer, prolongs on the outside of the inner chamfer It extends on the outside of cock body.
In above-mentioned piston, the cock body overall length, cock body outer diameter, the groove depth of splayed slot, the depth of the first circular trough Degree, the diameter of the first circular trough, blind hole maximum gauge, the spacing between two opposed straightways are straight with blind hole inner end end face The ratio between diameter is 54:54.8:3.35:0.5:27:46.2:43.5.
In above-mentioned piston, the second circular trough is additionally provided in first circular trough, second circular trough Depth, the internal diameter of the second circular trough, the depth of the first circular trough and the diameter ratio of the first circular trough are 0.2:18:0.5: 46.2。
Compared with prior art, be the advantages of this piston: 1, rationally, job stability is strong, sound construction for design.2, Good airproof performance has effectively ensured stabilization of equipment performance.3, the flowing stationarity for ensureing fluid, improves overall stability.
Detailed description of the invention
Fig. 1 is overlooking structure diagram provided by the utility model.
Fig. 2 is present invention looks up structural representation provided by the utility model.
Fig. 3 is schematic cross-sectional view provided by the utility model.
In figure, cock body 1, blind hole 2, segmental arc 21, straightway 22, annular incline face 23, inner arc guide face 24, inclined slope 31, Splayed slot 3, the first circular trough 4, arc boss 5, strip bulge 51, over-tilting face 3a, the excessive 2a of arc, inner chamfer 6, Two circular troughs 41.
Specific embodiment
As shown in Figure 1-3, this piston offers blind hole 2, the cross of blind hole 2 including the cock body 1 being in the form of a column on 1 one end of cock body Section includes equally distributed segmental arc 21 on four circumferencial directions, passes through 22 phase of straightway between two neighboring segmental arc 21 Even, two opposed straightways 22 are parallel to each other, and annular is equipped between 2 side wall of 2 inner face of blind hole and blind hole and is inclined face 23, annular Inclining, component reduces from outside to inside for the diameter in face 23, inclines in annular and is equipped with inner arc guide face 24, cock body between 2 side wall of face 23 and blind hole 1 one end far from blind hole 2 be equipped with it is several along the circumferential direction on be uniformly distributed and the splayed slot 3 of small end inwardly, in splayed slot 3 End is equipped with inclined slope 31, inclined slope 31 from outer end to inner end gradually to tilting on the outside of splayed slot 3, several inclined slopes 31 with The first circular trough 4 in the middle part of the end of cock body 1 is connected, if being equipped on the arc boss 5 between any two neighboring splayed slot 3 The dry strip bulge 51 for being uniformly distributed on along the circumferential direction using 1 central axes of cock body as the center of circle and being axially arranged.
More specifically, cock body 1 far from one end of blind hole 2 set there are three be uniformly distributed on along the circumferential direction and small end inwardly Splayed slot 3, three inclined slopes 31 are connected with the first circular trough 4 in the middle part of the end of cock body 1;In any two neighboring eight word Arc boss 5 between shape slot 3 is equipped with ten and is uniformly distributed on along the circumferential direction using 1 central axes of cock body as the center of circle and is axially set The strip bulge 51 set;Over-tilting face 3a is equipped between arc boss 5 and splayed slot 3;Adjacent segmental arc 21 and straight line The excessive 2a of arc is equipped between section 22;One end that cock body 1 is located at blind hole 2 is equipped with inner chamfer 6, extends to cock body 1 on the outside of inner chamfer 6 Outside.
1 overall length of cock body, 1 outer diameter of cock body, the groove depth of splayed slot 3, the depth of the first circular trough 4, the first circular trough 4 it is straight Diameter, 2 maximum gauge of blind hole, the spacing between two opposed straightways 22 and the diameter ratio of 2 inner end end face of blind hole are 54: 54.8:3.35:0.5:27:46.2:43.5;The second circular trough 41, the depth of the second circular trough 41 are additionally provided in first circular trough 4 The diameter ratio of degree, the depth of the internal diameter of the second circular trough 41, the first circular trough 4 and the first circular trough 4 is 0.2:18:0.5: 46.2。
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although incline face 23, inner arc of cock body 1, blind hole 2, segmental arc 21, straightway 22, annular is used more herein to lead Face 24, inclined slope 31, splayed slot 3, the first circular trough 4, arc boss 5, strip bulge 51, over-tilting face 3a, arc mistake The terms such as 2a, inner chamfer 6, the second circular trough 41 are spent, but it does not exclude the possibility of using other terms.Only using these terms Merely to being more convenient to describe and explain the essence of the utility model, being construed as any additional limitation is all It is contrary to the spirit of the present invention.

Claims (8)

1. a kind of piston, which is characterized in that including the cock body (1) being in the form of a column, offer blind hole on the cock body (1) one end (2), the cross section of the blind hole (2) includes equally distributed segmental arc (21) on four circumferencial directions, two neighboring arc It is connected between section (21) by straightway (22), two opposed straightways (22) are parallel to each other, described blind hole (2) inner end Between face and blind hole (2) side wall be equipped with annular incline face (23), the annular incline face (23) diameter from outside to inside component reduce, Incline in annular and be equipped with inner arc guide face (24) between face (23) and blind hole (2) side wall, the cock body (1) is far from blind hole (2) One end be equipped with it is several along the circumferential direction on be uniformly distributed and the splayed slot (3) of small end inwardly, described splayed slot (3) inner end Portion is equipped with inclined slope (31), and the inclined slope (31) is from outer end to inner end gradually to inclination on the outside of splayed slot (3), Ruo Ganqing Slope (31) is connected with the first circular trough (4) in the middle part of cock body (1) end, between any two neighboring splayed slot (3) Arc boss (5) be equipped with and several are uniformly distributed on along the circumferential direction as the center of circle using cock body (1) central axes and are axially arranged Strip bulge (51).
2. piston according to claim 1, which is characterized in that the cock body (1) is equipped with three far from the one end of blind hole (2) It is a along the circumferential direction on be uniformly distributed and the splayed slot (3) of small end inwardly, three inclined slopes (31) are and in cock body (1) end First circular trough (4) in portion is connected.
3. piston according to claim 1, which is characterized in that described between any two neighboring splayed slot (3) Arc boss (5) be equipped with ten and be uniformly distributed on along the circumferential direction using cock body (1) central axes as the center of circle and be axially arranged Strip bulge (51).
4. piston according to claim 1, which is characterized in that set between the arc boss (5) and splayed slot (3) There is over-tilting face (3a).
5. piston according to claim 1, which is characterized in that be equipped between adjacent segmental arc (21) and straightway (22) Arc is excessively (2a).
6. piston according to claim 1, which is characterized in that one end that the cock body (1) is located at blind hole (2) is equipped with interior Chamfering (6), the inner chamfer (6) outside extend on the outside of cock body (1).
7. piston according to claim 1, which is characterized in that described cock body (1) overall length, cock body (1) outer diameter, splayed The groove depth of slot (3), the depth of the first circular trough (4), the diameter of the first circular trough (4), blind hole (2) maximum gauge, opposed two The diameter ratio of spacing and blind hole (2) inner end end face between a straightway (22) is 54:54.8:3.35:0.5:27:46.2: 43.5。
8. piston according to claim 7, which is characterized in that be additionally provided with the second circle in first circular trough (4) Slot (41), the depth of the second circular trough (41), the internal diameter of the second circular trough (41), the first circular trough (4) depth with The diameter ratio of first circular trough (4) is 0.2:18:0.5:46.2.
CN201820937362.7U 2018-06-15 2018-06-15 Piston Active CN208457183U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820937362.7U CN208457183U (en) 2018-06-15 2018-06-15 Piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820937362.7U CN208457183U (en) 2018-06-15 2018-06-15 Piston

Publications (1)

Publication Number Publication Date
CN208457183U true CN208457183U (en) 2019-02-01

Family

ID=65160996

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820937362.7U Active CN208457183U (en) 2018-06-15 2018-06-15 Piston

Country Status (1)

Country Link
CN (1) CN208457183U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 314300 Industrial Park, Shendang Town, Haiyan County, Jiaxing City, Zhejiang Province

Patentee after: Zhejiang Sanwei Datong Precision Forging Co.,Ltd.

Address before: 314300 Industrial Park, Shendang Town, Haiyan County, Jiaxing City, Zhejiang Province

Patentee before: ZHEJIANG 3D DATONG COLD EXTRUSION Co.,Ltd.

CP01 Change in the name or title of a patent holder
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: piston

Granted publication date: 20190201

Pledgee: Bank of China Limited Haiyan Branch

Pledgor: Zhejiang Sanwei Datong Precision Forging Co.,Ltd.

Registration number: Y2024980002596

PE01 Entry into force of the registration of the contract for pledge of patent right