CN207526603U - Combined type top compression ring, engine and vehicle - Google Patents
Combined type top compression ring, engine and vehicle Download PDFInfo
- Publication number
- CN207526603U CN207526603U CN201721469542.9U CN201721469542U CN207526603U CN 207526603 U CN207526603 U CN 207526603U CN 201721469542 U CN201721469542 U CN 201721469542U CN 207526603 U CN207526603 U CN 207526603U
- Authority
- CN
- China
- Prior art keywords
- ring body
- section
- top compression
- opening
- lower ring
- 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
Links
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model provides a kind of combined type top compression ring, the combined type top compression ring includes upper ring body and lower ring body with opening, the lower surface of upper ring body and the upper surface of lower ring body fit, and the opening of upper ring body and the opening offset of lower ring body are arranged, the position limiting structure for preventing that circumferentially the opposite opening for sliding into the two coincides between upper ring body and lower ring body is equipped between the upper ring body and lower ring body.The combined type top compression ring of the utility model prevents to reduce or avoid the opening of upper ring body and lower ring body to overlap the risk of gas leakage with respect to the position limiting structure significantly slided between upper ring body and lower ring body by setting between upper ring body and lower ring body.On the other hand the utility model provides a kind of engine for being equipped with said combination formula top compression ring.The utility model another further aspect provides a kind of vehicle for being equipped with above-mentioned engine.
Description
Technical field
The utility model is related to a kind of combined type top compression ring and starting for the combined type top compression ring is installed
Machine and vehicle.
Background technology
At present in Engine Industry, top compression ring is a part in piston component, the effect of top compression ring
It is the sealing ensured between piston and cylinder wall, prevents high temperature, high-pressure gas from largely leaking into crankcase, while also by top land
Most of heat is transmitted to casing wall.
Existing top compression ring is substantially single ring body structurc, if the top compression ring air seal of single ring body structurc
Property it is bad, then high-temperature fuel gas will be directly channeled to by top compression ring in crankcase, if being packed into top compression ring in cylinder
Opened gap is bigger, then air leakage can also increase, and cause engine power loss, if gap is too small, ring expands after being heated
It is afterwards it is possible that stuck or fracture in piston gas ring slot, failure is caused, in addition monocyclic body increases piston ring during the motion
The excessive risk of stress concentration, the ability for bearing large deformation decline, and accelerate its fatigue failure.
The utility model of Patent No. " 201520340833.2 " discloses a kind of steel band combination top compression ring, including band
There are the upper ring body and lower ring body of opening, the outer circumference surface of the upper ring body and lower ring body is arc-shaped, the interior table of upper ring body
Face is linked together with upper ring body upper surface by fillet surface, and inner surface and the upper ring body lower surface of upper ring body pass through Chamfering fillet surface
Connection, the inner surface of lower ring body are connect with lower ring body upper surface by Chamfering fillet surface, and upper ring body is installed in same with lower ring body
In piston gas ring slot, and the opening of upper ring body and the opening of lower ring body are set in 180 degree direction.
The top compression ring of above structure is primarily present following fault of construction：
1st, upper ring body and lower ring body can be movable relatively, and have the risk that opening overlaps gas leakage.
2nd, the outer circumference surface of upper ring body and lower ring body is arc-shaped, and easy carbon distribution, accelerates top compression ring at faying face
Failure.
Utility model content
Of the prior art at least one in order to solve the problems, such as, one of the utility model aim provides a kind of combined type first
Road compression ring overlaps the risk of gas leakage with the opening for reducing or avoiding upper ring body and lower ring body.
The two of the utility model aim provide a kind of engine for being equipped with said combination formula top compression ring.
The three of the utility model aim provide a kind of vehicle for being equipped with above-mentioned engine.
In order to solve the above technical problems, on the one hand the utility model provides a kind of combined type top compression ring, described group
Box-like top compression ring includes upper ring body and lower ring body with opening, and the lower surface of upper ring body and the upper surface of lower ring body are affixed
It closes, and the opening offset of the opening of upper ring body and lower ring body is arranged, being equipped between the upper ring body and lower ring body prevents upper ring body
The position limiting structure that circumferentially the opposite opening for sliding into the two coincides between lower ring body.
In preferred technical solution, the position limiting structure is less than the clamp of opening width for outer diameter, and the clamp is located at
On the upper ring body, the clamp is stretched in the opening of the lower ring body；And/or the clamp is located on the lower ring body,
The clamp is stretched in the opening of the upper ring body.
In preferred technical solution, the position limiting structure includes being located at the groove of the lower surface of upper ring body and be located at
The boss of the upper surface of lower ring body, the boss stretch in the groove and can small range activities in a groove.
In preferred technical solution, the position limiting structure includes being located at the boss of the lower surface of upper ring body and be located at
The groove of the upper surface of lower ring body, the boss stretch in the groove and can small range activities in a groove.
In preferred technical solution, the opening of the upper ring body and the opening of lower ring body are arranged in 180 ° of dislocation.
In preferred technical solution, in up-narrow and down-wide trapezoidal faces, the lower ring body is cut in the section of the upper ring body
Face trapezoidal faces with a narrow upper and lower width.
It it is two sections on the outside of the section of the upper ring body and on the outside of the section of the lower ring body in preferred technical solution
Bending structure, the hypomere bending segment on the outside of the section of the upper ring body are supported with the epimere bending section on the outside of the section of the lower ring body
It connects.
It it is three sections on the inside of the section of the upper ring body and on the inside of the section of the lower ring body in preferred technical solution
Bending structure, the hypomere bending segment on the inside of the section of the upper ring body are supported with the epimere bending section on the inside of the section of the lower ring body
It connects.
The combined type top compression ring of the utility model, using two panels fabricated structure, two panels fabricated structure can be effective
Large deformation is resisted, reduces stress concentration, improves top compression ring service life, upper ring body and lower ring body are superimposed up and down, upper ring body
Opening and lower ring body opening offset assembling, entire top compression ring is made to form a completely circular structure, reduces gas leakage risk.Together
When, it is prevented between upper ring body and lower ring body with respect to the limiting knot significantly slided by being set between upper ring body and lower ring body
Structure can reduce or avoid the opening of upper ring body and lower ring body to overlap the risk of gas leakage.
On the other hand the utility model provides a kind of engine, which includes cylinder and the piston being located in cylinder,
The combined type top compression ring as described in any one of said program is equipped in the piston gas ring slot of the piston.
Since above-mentioned engine is equipped with combinations of the above formula top compression ring, thus above-mentioned engine has above-mentioned group
Whole technique effects of box-like top compression ring, details are not described herein.
The utility model another further aspect provides a kind of vehicle, which includes vehicle frame and the piggyback pod being located on vehicle frame, institute
It states and engine is equipped in piggyback pod, the engine is the engine described in said program.
Since above-mentioned vehicle is equipped with above-mentioned engine, above-mentioned engine is equipped with first of gas of combinations of the above formula
Ring, thus above-mentioned vehicle has whole technique effects of said combination formula top compression ring, details are not described herein.
Description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type do not form the improper restriction to the utility model for explaining the utility model.
In attached drawing：
Fig. 1 is the structure diagram in the combined type top compression ring specific embodiment of the utility model；
Fig. 2 is the structure diagram of the upper ring body in Fig. 1；
Fig. 3 is the structure diagram of the lower ring body in Fig. 1；
Fig. 4 is the sectional view of the combined type top compression ring subregion of the utility model；
Fig. 5 is a kind of structure diagram of embodiment of position limiting structure of the utility model；
Fig. 6 is the structure diagram of another embodiment of the position limiting structure of the utility model.
Reference numeral：
1-opening, 2-upper ring body, 3-lower ring body
4-groove, 5-boss
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the utility model can
To be combined with each other.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
In the description of the present invention, it is to be appreciated that term " on ", " under ", "front", "rear", etc. instructions side
Position or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of description the utility model and simplification is retouched
It states rather than indicates or imply signified device or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not intended that limitation to the utility model.In addition, term " first ", " second " are only used for description purpose, and cannot
It is interpreted as indicating or implying relative importance.
Referring to figs. 1 to shown in Fig. 6, the utility model provides a kind of combined type top compression ring, first of the combined type
Compression ring includes the upper ring body 2 for carrying opening 1 and lower ring body 3, the lower surface and the upper surface of lower ring body 3 of upper ring body 2 fit, and
The opening 1 of upper ring body 2 and the dislocation of opening 1 of lower ring body 3 arrange that being equipped between the upper ring body 2 and lower ring body 3 prevents upper ring body
The position limiting structure that circumferentially the opposite opening 1 for sliding into the two coincides between 2 and lower ring body 3.
Wherein, it is preferred that the opening 1 of the upper ring body 2 is arranged with the opening 1 of lower ring body 3 in 180 ° of dislocation, is substantially reduced
The leakage of gas, reduces the loss of power at compression ring opening 1.
The combined type top compression ring of the utility model, using two panels fabricated structure, two panels fabricated structure can be effective
Large deformation is resisted, reduces stress concentration, improves top compression ring service life, upper ring body 2 and lower ring body are superimposed about 3, upper ring
The opening 1 of body 2 and the dislocation assembling of opening 1 of lower ring body 3, make entire top compression ring form a completely circular structure, reduce gas leakage
Risk.Meanwhile it prevents from significantly sliding relatively between upper ring body 2 and lower ring body 3 by setting between upper ring body 2 and lower ring body 3
Dynamic position limiting structure can reduce or avoid the opening 1 of upper ring body 2 and lower ring body 3 to overlap the risk of gas leakage.
As a kind of specific embodiment of position limiting structure, the position limiting structure is less than the clamp of 1 width of opening for outer diameter,
The clamp is located on the upper ring body 2, the clamp stretch in the opening 1 of the lower ring body 3 and/or, the clamp is set
On the lower ring body 3, the clamp is stretched in the opening 1 of the upper ring body 2.Specifically, when clamp is located at the upper ring
When on body 2, the clamp stretch into the opening 1 of lower ring body 3 and with 1 clearance fit of opening of lower ring body 3, when clamp be located at it is described
When on lower ring body 3, the clamp stretch into the opening 1 of upper ring body 2 and with 1 clearance fit of opening of upper ring body 2.
As a kind of specific embodiment of position limiting structure, the position limiting structure includes being located at the lower surface of upper ring body 2
Groove 4 and be located at lower ring body 3 upper surface boss 5, the boss 5 stretches in the groove 4 and can be in groove 4
Small range activity.In the embodiment, 4 clearance fit of boss 5 and the groove forms follower structure, and one side upper ring body 2 is under
Big displacement relative motion will not occur between ring body 3, top compression ring is made to remain completely circular structure during exercise, reduce gas leakage
Risk；On the other hand, upper ring body 2 and lower ring body 3 is enable to be slid by a small margin by the cooperation between boss 5 and groove 4, is prevented
Top compression ring it is stuck, be conducive to absorb impact and large deformation.Preferably, the quantity of the boss 5 and the groove 4 is more
It is a, circumferentially uniformly it is located on top compression ring.
As another specific embodiment of position limiting structure, the position limiting structure includes being located at the following table of upper ring body 2
The boss 5 in face and be located at lower ring body 3 upper surface groove 4, the boss 5 stretches in the groove 4 and can be in groove
Small range activity in 4.In the embodiment, the boss 5 of upper ring body 2 forms follower structure, 2 He of upper ring body with the groove 4 of lower ring body 3
Lower ring body 3 moves together, and big displacement relative motion does not occur, and top compression ring can be made to remain full circle knot during exercise
Structure reduces gas leakage risk, and boss 5 can be made to be slid by a small margin in groove 4, prevents the stuck of top compression ring, absorbs impact
With large deformation.Preferably, the quantity of the boss 5 and the groove 4 is multiple, is circumferentially uniformly located on top compression ring.
As another specific embodiment of position limiting structure, position limiting structure includes being located at the lower surface of upper ring body 2
Boss 5 and groove 4 and the groove 4 of upper surface of lower ring body 3 and boss 5 are located at, the boss 5 of the lower surface of upper ring body 2 and recessed
Slot 4 respectively with 5 clearance fit of the groove of the upper surface of lower ring body 34 and boss.
In an advantageous embodiment, the section of the upper ring body 2 is in up-narrow and down-wide trapezoidal faces, the lower ring body 3
Section trapezoidal faces with a narrow upper and lower width.Thus it sets, using trapezoidal faces structure, the top compression ring of combination is formed upper lower ring body
Barrel-shaped face, effectively improves air seal, convenient for scraping carbon distribution.
It is caused in order to avoid forming wedge angle with the junction on the outside of the section of the lower ring body 3 on the outside of the section of upper ring body 2
Stress concentration, it is preferred that being passivated place with the junction on the outside of the section of the lower ring body 3 on the outside of the section of upper ring body 2
Reason so that with the junction arc-shaped transition on the outside of the section of the lower ring body 3 or seamlessly transitting on the outside of the section of upper ring body 2.Together
Sample causes stress collection in order to avoid forming wedge angle with the junction on the inside of the section of the lower ring body 3 on the inside of the section of upper ring body 2
In, to being passivated processing with the junction on the inside of the section of the lower ring body 3 on the inside of the section of upper ring body 2 so that upper ring body 2
Section on the inside of with the junction arc-shaped transition on the inside of the section of the lower ring body 3 or seamlessly transitting.
In a specific embodiment, in order to reduce the weight with reduce stress concentration, it is on the outside of the section of the upper ring body 2 and described
It is two sections of bending structures on the outside of the section of lower ring body 3, hypomere bending segment and the lower ring on the outside of the section of the upper ring body 2
Epimere bending section on the outside of the section of body 3 abuts.Meanwhile on the inside of the section of the upper ring body 2 and in the section of the lower ring body 3
Side is three sections of bending structures, the hypomere bending segment on the inside of the section of the upper ring body 2 on the inside of the section of the lower ring body 3
Epimere bending section abuts.
To sum up, the combined type top compression ring of the utility model, using two panels fabricated structure, two panels fabricated structure energy
Large deformation is effective against, reduces stress concentration, improves top compression ring service life, upper ring body and lower ring body are superimposed up and down, on
The opening of ring body and the opening offset assembling of lower ring body, make entire top compression ring form a completely circular structure, reduce gas leakage wind
Danger.Meanwhile it is prevented between upper ring body and lower ring body with respect to the limit significantly slided by being set between upper ring body and lower ring body
Bit architecture can reduce or avoid the opening of upper ring body and lower ring body to overlap the risk of gas leakage.
On the other hand the utility model provides a kind of engine, which includes cylinder and the piston being located in cylinder,
The combined type top compression ring as described in any one of above-described embodiment is equipped in the piston gas ring slot of the piston.
Since above-mentioned engine is equipped with combinations of the above formula top compression ring, thus above-mentioned engine has above-mentioned group
Whole technique effects of box-like top compression ring, details are not described herein.
The utility model another further aspect provides a kind of vehicle, which includes vehicle frame and the piggyback pod being located on vehicle frame, institute
It states and engine is equipped in piggyback pod, the engine is the engine described in above-described embodiment.
Since above-mentioned vehicle is equipped with above-mentioned engine, above-mentioned engine is equipped with first of gas of combinations of the above formula
Ring, thus above-mentioned vehicle has whole technique effects of said combination formula top compression ring, details are not described herein.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of combined type top compression ring, including carrying the opening upper ring body (2) of (1) and lower ring body (3), upper ring body (2)
The upper surface of lower surface and lower ring body (3) fits, and the opening (1) of upper ring body (2) and the opening (1) of lower ring body (3) misplace
Arrangement, it is characterised in that：Being equipped between the upper ring body (2) and lower ring body (3) prevents between upper ring body (2) and lower ring body (3)
The position limiting structure that circumferentially the opposite opening (1) for sliding into the two coincides.
2. combined type top compression ring according to claim 1, it is characterised in that：The position limiting structure is less than for outer diameter to be opened
The clamp of mouth (1) width, the clamp are located on the upper ring body (2), and the clamp stretches to the opening of the lower ring body (3)
(1) in；And/or the clamp is located on the lower ring body (3), the clamp stretches to the opening (1) of the upper ring body (2)
In.
3. combined type top compression ring according to claim 1, it is characterised in that：The position limiting structure includes being located at ring
The groove (4) of the lower surface of body (2) and be located at lower ring body (3) upper surface boss (5), the boss (5) stretches to institute
It states in groove (4) and can the small range activity in groove (4).
4. combined type top compression ring according to claim 1, it is characterised in that：The position limiting structure includes being located at ring
The boss (5) of the lower surface of body (2) and be located at lower ring body (3) upper surface groove (4), the boss (5) stretches to institute
It states in groove (4) and can the small range activity in groove (4).
5. combined type top compression ring according to claim 1, it is characterised in that：The opening (1) of the upper ring body (2) with
The opening (1) of lower ring body (3) is arranged in 180 ° of dislocation.
6. according to claim 1-5 any one of them combined type top compression rings, it is characterised in that：The upper ring body (2)
Section is in up-narrow and down-wide trapezoidal faces, the section trapezoidal faces with a narrow upper and lower width of the lower ring body (3).
7. combined type top compression ring according to claim 6, it is characterised in that：On the outside of the section of the upper ring body (2)
Section outside with the lower ring body (3) is two sections of bending structures, the hypomere bending segment on the outside of the section of the upper ring body (2)
It is abutted with the epimere bending section on the outside of the section of the lower ring body (3).
8. combined type top compression ring according to claim 6, it is characterised in that：On the inside of the section of the upper ring body (2)
Section inside with the lower ring body (3) is three sections of bending structures, the hypomere bending segment on the inside of the section of the upper ring body (2)
It is abutted with the epimere bending section on the inside of the section of the lower ring body (3).
9. a kind of engine, including cylinder and the piston being located in cylinder, it is characterised in that：In the piston gas ring slot of the piston
Equipped with such as claim 1-8 any one of them combined type top compression ring.
10. a kind of vehicle including vehicle frame and the piggyback pod being located on vehicle frame, is equipped with engine in the piggyback pod, described to start
Machine is the engine described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721469542.9U CN207526603U (en) | 2017-11-07 | 2017-11-07 | Combined type top compression ring, engine and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721469542.9U CN207526603U (en) | 2017-11-07 | 2017-11-07 | Combined type top compression ring, engine and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207526603U true CN207526603U (en) | 2018-06-22 |
Family
ID=62572494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721469542.9U Active CN207526603U (en) | 2017-11-07 | 2017-11-07 | Combined type top compression ring, engine and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207526603U (en) |
-
2017
- 2017-11-07 CN CN201721469542.9U patent/CN207526603U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207569192U (en) | Circumferential sealing component and engine | |
| US9593639B2 (en) | Cylinder liner having annular coolant circulation groove | |
| CN207526603U (en) | Combined type top compression ring, engine and vehicle | |
| CN201306194Y (en) | Sealing structure for lubricant of supercharger | |
| CN106787375B (en) | Oil seal structure is taken turns to turbo generator | |
| CN207526604U (en) | Three piece combined first of piston gas ring, engine and vehicle | |
| CN101813034A (en) | Piston ring for optical controlled engine | |
| CN207538885U (en) | A kind of vehicle and its engine and valve retainer | |
| CN207852324U (en) | A kind of sealing structure of containment | |
| CN208323048U (en) | Simulate head gasket | |
| CN206860302U (en) | Wet cylinder sleeve of single-cylinder horizontal diesel engine | |
| CN208650996U (en) | A kind of engine piston | |
| CN204677311U (en) | High-efficient piston ring and piston assembly | |
| CN205518604U (en) | Single shale shaker that always holds | |
| CN212177292U (en) | Water seal device for internal combustion engine | |
| CN206419583U (en) | Antispray safe hydraulic pressure oil pipe | |
| CN105804884A (en) | Efficient piston ring and piston assembly | |
| CN104329247A (en) | Water channel welding type stuffing box | |
| CN204327270U (en) | Exhaust-gas turbocharger | |
| CN205677718U (en) | A kind of high-efficiency engine | |
| CN204327276U (en) | Exhaust-gas turbocharger | |
| CN212296646U (en) | Sand prevention card formula piston assembly | |
| CN204852315U (en) | Steam turbine draws gas against ending a door cylinderpiston | |
| CN203097956U (en) | Improved rotor sealing structure of turbocharger | |
| CN203335255U (en) | Cylinder cover bolt installation structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |