CN212250260U - Automobile piston with good sealing performance - Google Patents
Automobile piston with good sealing performance Download PDFInfo
- Publication number
- CN212250260U CN212250260U CN202021067483.4U CN202021067483U CN212250260U CN 212250260 U CN212250260 U CN 212250260U CN 202021067483 U CN202021067483 U CN 202021067483U CN 212250260 U CN212250260 U CN 212250260U
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- Prior art keywords
- piston
- ring
- sealing performance
- piston head
- automobile
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- 238000012545 processing Methods 0.000 claims abstract description 5
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- 238000007906 compression Methods 0.000 claims description 5
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- 230000037431 insertion Effects 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 4
- 239000010705 motor oil Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 241001270131 Agaricus moelleri Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses an automobile piston that leakproofness is good, concretely relates to piston technical field, including the piston head, the piston ring has been cup jointed on piston head upper portion, the plain end groove has all been processed to piston head front side and rear side, plain end inslot side is connected with the shaft hole, the shaft hole is seted up inside the piston head, it has the inserted bar all to peg graft on anterior and interior rear portion in the piston head, the inserted bar passes the piston ring up, and the joint has the jump ring on the inserted bar, the jump ring is located plain end inslot top and interior bottom respectively, piston ring trailing flank one end an organic whole is connected with the lug, piston ring trailing flank other end processing is fluted, the lug matches the setting in the recess. The utility model discloses a lug matching sets up in the recess, has realized having avoided the production in gap with the complete lopping of piston ring, has improved the sealing performance of piston head, carries on spacingly through the inserted bar to the piston simultaneously, has then improved placing and sealing performance of piston ring.
Description
Technical Field
The utility model relates to a piston technical field, more specifically say, the utility model relates to an automobile piston that leakproofness is good.
Background
The piston is a reciprocating element in the cylinder body of the automobile engine. The basic structure of the piston can be divided into a crown, a crown and a skirt. The piston crown is the main part that makes up the combustion chamber and its shape is related to the combustion chamber form chosen. The gasoline engine mostly adopts a flat-top piston, and has the advantage of small heat absorption area. The top of the piston of a diesel engine often has various pits, the specific shape, position and size of which must be adapted to the requirements of the mixture formation and combustion of the diesel engine.
In the prior art, when the existing piston is used, a piston ring is generally opened, and then the piston ring is sleeved on the piston, and due to a gap on the piston ring, air pressure is easy to leak when the piston is operated, so that the sealing performance is reduced, and the using effect is poor.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above defects in the prior art, the embodiment of the present invention provides an automobile piston with good sealing performance, and the technical problems to be solved by the present invention are: when the existing piston is used, the sealing performance is poor.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automobile piston that leakproofness is good, includes the piston head, the piston ring has been cup jointed on piston head upper portion, the plain end groove has all been processed to piston head front side and rear side, plain end inslot side is connected with the shaft hole, the shaft hole is seted up inside the piston head, all peg graft on front portion and the interior rear portion in the piston head has the inserted bar, the inserted bar passes the piston ring up, and the joint has the jump ring on the inserted bar, the jump ring is located plain end inslot top and interior bottom respectively, piston ring trailing flank one end an organic whole is connected with the lug, piston ring trailing flank other end processing is fluted, the lug matches and sets up in the recess.
Through lug and the recess on the piston ring match the setting, realized carrying out complete lopping to the piston ring, realized cup jointing completely overhead at the piston, and then seal the gap between piston head and the cylinder, sealing performance has been improved, and then sealed new ability has further been improved through three piston ring, carry on spacingly through the inserted bar to the piston ring in addition, the stability of placing of piston ring has been improved, avoided its atress to warp and the pine takes off, it is sealed and the joint stability is good, excellent in use effect.
In a preferred embodiment, the piston head is coated on its upper side with a wear and heat resistant layer having a thickness of 5 to 10 microns.
In a preferred embodiment, the wear-resistant and heat-resistant layer is made of graphene, so that the wear-resistant and heat-resistant properties are improved.
In a preferred embodiment, the piston head has a front inner portion and a rear inner portion each formed with a socket, the piston ring has a front inner portion and a rear inner portion each formed with a through hole, the through hole has a central axis aligned with a central axis of the socket, and the plunger rod vertically passes through the through hole and the socket, thereby aligning the piston ring.
In a preferred embodiment, the inner diameter of the insertion hole is the same as that of the through hole, so that the insertion rod can stably extend into the insertion hole and the through hole, and the piston ring is limited.
In a preferred embodiment, processing has two ring groove on the inserted bar annular side, two all the joint has the jump ring on the ring groove, has realized conveniently stabilizing the jump ring and has placed, also is convenient for carry on spacingly through the jump ring to the inserted bar simultaneously.
In a preferred embodiment, three piston grooves are machined in the upper portion of the piston head at equal intervals, and piston rings are sleeved on all the three piston grooves, so that stable placement of the piston rings is facilitated.
In a preferred embodiment, the number of piston rings is three, and the three piston rings are two compression piston rings and one oil piston ring respectively, so that the sealing performance is improved, and the oil can be conveniently scraped.
The utility model discloses a technological effect and advantage:
the utility model discloses a be equipped with the piston ring, the lug, the recess, inserted bar and jump ring, set up in the recess through the lug matching, realized the complete lopping of piston ring, avoided the production in gap, improved the sealing performance of piston head, carry on spacingly through the inserted bar to the piston simultaneously, then improved placing and the sealing performance of piston ring, and be convenient for through carrying out the dismouting to the jump ring, and then the convenience carries out the dismouting change to inserted bar and piston ring, this device simple structure, and easy operation, excellent in use effect.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic sectional view of the present invention.
Fig. 3 is a schematic front view of the present invention.
Fig. 4 is a left side view of the present invention.
Fig. 5 is a schematic view of the overall structure of the middle insert rod of the present invention.
Fig. 6 is a schematic top view of a piston ring according to the present invention.
Fig. 7 is a rear view schematically illustrating a piston ring according to the present invention.
Fig. 8 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
The reference signs are: 1. a piston head; 2. a piston ring; 3. a wear and heat resistant layer; 4. a shaft hole; 5. inserting a rod; 6. a flat groove; 7. a piston groove; 8. a jack; 9. a clamp spring; 10. an annular neck; 21. a through hole; 22. a groove; 23. and (4) a bump.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides an automobile piston that leakproofness is good, including piston head 1, piston ring 2 has been cup jointed on 1 upper portion of piston head, plain end groove 6 has all been processed to 1 front side of piston head and rear side, the 6 medial surfaces in plain end groove are connected with shaft hole 4, shaft hole 4 is seted up inside piston head 1, it has inserted bar 5 all to peg graft on anterior and the interior rear portion in the piston head 1, inserted bar 5 passes piston ring 2 up, and the joint has jump ring 9 on inserted bar 5, jump ring 9 is located 6 interior top and interior bottoms in plain end groove respectively, 2 trailing flank one end an organic whole of piston ring is connected with lug 23, 2 trailing flank other end processing of piston ring is fluted 22, lug 23 matches the setting in recess 22.
The piston head 1 is provided with jacks 8 at the front part and the rear part, the piston ring 2 is provided with through holes 21 at the front part and the rear part, the central axis of the through hole 21 and the central axis of the jack 8 are on the same straight line, and the inserted rod 5 vertically penetrates through the through hole 21 and the jack 8.
The inner diameter of the insertion hole 8 is the same as that of the through hole 21.
Two annular clamping grooves 10 are processed on the annular side face of the inserted bar 5, and clamping springs 9 are clamped on the two annular clamping grooves 10.
Three piston grooves 7 are machined in the upper portion of the piston head 1 at equal intervals, and piston rings 2 are sleeved on the three piston grooves 7.
The number of the piston rings 2 is three, and the three piston rings 2 are two compression piston rings and one engine oil piston ring respectively.
As shown in fig. 1 to 8, the embodiment specifically is: the user separates the convex block 23 and the groove 22 on the piston ring 2, the piston ring 2 is opened at the moment, then the piston ring 2 is sleeved on the piston groove 7 on the piston head 1, then the convex block 23 is matched and arranged in the groove 22 under the self elastic action of the piston ring 2, meanwhile, two compression piston rings are positioned on the upper side of one engine oil piston ring, the sealing performance is improved through the two compression piston rings, then the inserted bar 5 penetrates through the jack 8 and the through hole 21 on the piston head 1 from bottom to top, then the clamp spring 9 is clamped in the annular clamp groove 10 on the inserted bar 5, and at the moment, the clamp spring 9 is positioned in the flat groove 6, the built-in design of the clamp spring 9 and the inserted bar 5 is realized, the space utilization rate is improved, the stable movement of the piston head 1 in the cylinder is facilitated, the limit of the piston ring 2 is realized through the inserted bar 5, and the complete looping and shape integrity of, and then improved the sealing performance between piston head 1 and the cylinder through piston ring 2, through carrying out the dismouting to jump ring 9 in addition, and then conveniently carry out the dismouting to inserted bar 5 and piston ring 2, simple structure, convenient operation is convenient for maintain and change, excellent in use effect.
The upper side of the piston head 1 is coated with a wear-resistant and heat-resistant layer 3, and the thickness of the wear-resistant and heat-resistant layer 3 is 5 micrometers to 10 micrometers.
The wear-resistant heat-resistant layer 3 is made of graphene.
As shown in fig. 1 to 4, the embodiment specifically is as follows: the wear-resistant and heat-resistant purposes are achieved through the wear-resistant and heat-resistant layer 3, the wear-resistant and heat-resistant layer 3 made of graphene materials can resist the high temperature of 1000 ℃, the wear-resistant and shock-resistant performance is good, the piston head is not prone to falling off, and the service life of the piston head 1 is greatly prolonged.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an automobile piston that leakproofness is good, includes piston head (1), its characterized in that: piston ring (2) have been cup jointed on piston head (1) upper portion, piston head (1) front side and rear side all process and have flat mouthful groove (6), flat mouthful groove (6) medial surface is connected with shaft hole (4), shaft hole (4) are seted up inside piston head (1), it has inserted bar (5) all to peg graft on front portion and the interior rear portion in piston head (1), piston ring (2) are passed up in inserted bar (5), and the joint has jump ring (9) on inserted bar (5), jump ring (9) are located flat mouthful groove (6) inner top and interior bottom respectively, piston ring (2) trailing flank one end an organic whole is connected with lug (23), piston ring (2) trailing flank other end processing (22), lug (23) match and set up in recess (22).
2. The piston for the automobile with good sealing performance as claimed in claim 1, wherein: the piston head (1) is coated with a wear-resistant and heat-resistant layer (3) on the upper side, and the thickness of the wear-resistant and heat-resistant layer (3) is 5-10 micrometers.
3. The piston for the automobile with good sealing performance as claimed in claim 2, wherein: the wear-resistant heat-resistant layer (3) is made of graphene.
4. The piston for the automobile with good sealing performance as claimed in claim 1, wherein: the piston head is characterized in that jacks (8) are machined in the front portion and the inner rear portion of the piston head (1), through holes (21) are machined in the front portion and the inner rear portion of the piston ring (2), the central axis of each through hole (21) is located on the same straight line with the central axis of each jack (8), and the inserted rod (5) vertically penetrates through the through holes (21) and the jacks (8).
5. The piston for the automobile with good sealing performance as claimed in claim 4, wherein: the inner diameter of the insertion hole (8) is the same as that of the through hole (21).
6. The piston for the automobile with good sealing performance as claimed in claim 1, wherein: two annular clamping grooves (10) are machined in the annular side face of the inserted rod (5), and the two annular clamping grooves (10) are all clamped with clamping springs (9).
7. The piston for the automobile with good sealing performance as claimed in claim 1, wherein: three piston grooves (7) are machined in the upper portion of the piston head (1) at equal intervals, and piston rings (2) are sleeved on the three piston grooves (7).
8. The piston for the automobile with good sealing performance as claimed in claim 1, wherein: the piston ring (2) is provided with three, and the three piston rings (2) are two compression piston rings (2) and an engine oil piston ring (2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021067483.4U CN212250260U (en) | 2020-06-11 | 2020-06-11 | Automobile piston with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021067483.4U CN212250260U (en) | 2020-06-11 | 2020-06-11 | Automobile piston with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212250260U true CN212250260U (en) | 2020-12-29 |
Family
ID=73988336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021067483.4U Expired - Fee Related CN212250260U (en) | 2020-06-11 | 2020-06-11 | Automobile piston with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212250260U (en) |
-
2020
- 2020-06-11 CN CN202021067483.4U patent/CN212250260U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |