Multi-channel piston with oil control ring

By designing the connecting mechanism and the plug mechanism, the convenient disassembly and assembly of the multi-channel piston head with oil control ring and the effective isolation between the sealing ring and the oil ring are realized. This solves the problems of high maintenance costs and low sealing efficiency when the piston head is damaged, and improves the practicality and sealing performance of the piston.

CN224107654UActive Publication Date: 2026-04-10WUXI ANERDA MASCH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUXI ANERDA MASCH CO LTD
Filing Date
2025-05-27
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Traditional multi-groove pistons with oil control rings require complete replacement when the piston head is damaged, leading to increased maintenance costs. Furthermore, the sealing ring and oil ring are prone to interference, reducing sealing efficiency and increasing oil consumption.

Method used

The design incorporates a connecting mechanism, a plug mechanism, and a drive mechanism. The driving gear rotates the driven gear via the driving gear, enabling convenient assembly and disassembly of the piston head. Multiple mounting slots reduce interference between the sealing ring and the oil ring, thereby improving sealing efficiency.

Benefits of technology

It enables convenient disassembly and assembly of the piston head, reduces overall maintenance costs, minimizes mutual interference between the sealing ring and oil ring, improves sealing efficiency, and reduces oil consumption.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224107654U_ABST
    Figure CN224107654U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of pistons, and discloses a multi-channel piston with an oil control ring, which comprises a connecting mechanism, a chock plug mechanism and a driving mechanism, the connecting mechanism is positioned at the lower end of the chock plug mechanism, and the driving mechanism is positioned at the lower end of the connecting mechanism. The connecting mechanism comprises a connecting skirt, the upper end of the connecting skirt is fixedly connected with a connecting block, the inner wall of the connecting skirt is rotatably connected with a driven gear, and the upper end of the driven gear is fixedly connected with a threaded disc. Through the design that the driving gear drives the driven gear to rotate so as to drive the sliding frame at the upper end to stretch out and draw back, the purpose of conveniently fixing the position of the soybean milk piston head is achieved, so that the piston head can be conveniently disassembled and assembled when the piston head is damaged and needs to be replaced subsequently; and the situation that the complete piston needs to be replaced when the piston head is damaged is prevented, so that the overall maintenance cost of the piston in the later period is reduced, and the overall practicability of the piston is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to piston technical field especially relates to a multi -groove with oil control ring's piston. BACKGROUND

[0002] Multi -groove with oil control ring's piston technology is widely used in internal combustion engine, aims at promoting engine performance, reduces oil consumption and reduces the emission. With the progress of automobile industry and environmental protection regulations increasingly strict, engine design is also in continuous optimization to meet modern fuel efficiency and emission standards. Under this background, the traditional piston design gradually cannot satisfy the new technology demand, thereby giving birth to the innovative design of multi -groove oil control ring piston. This technology effectively solves the limitation of traditional design, promotes the realization of engine performance improvement and environmental protection target.

[0003] But in the use multi -groove with oil control ring's piston, sometimes due to the head of the piston long -term use friction and lead to its damage, but due to the piston head difficult to disassemble and replace alone and need to replace the entire piston, this leads to the increase of subsequent maintenance cost, especially in need of frequent maintenance or repair, may cause unnecessary resource waste and the additional burden of the car owner. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the utility model provides a multi -groove with oil control ring's piston.

[0005] The utility model adopts the following technical scheme realization: a multi -groove with oil control ring's piston, including connecting mechanism, plug head mechanism and drive mechanism, the connecting mechanism is located in the lower end of plug head mechanism, the drive mechanism is located in the lower end of connecting mechanism,

[0006] The connecting mechanism includes connecting apron, the upper end of connecting apron is fixedly connected with connecting block, the inner wall of connecting apron is rotatably connected with driven gear, the upper end of driven gear is fixedly connected with threaded disc, the inner wall of connecting block is slidably connected with sliding frame, the inner wall of connecting apron is rotatably connected with rotating shaft, the surface of rotating shaft is slidably connected with driving gear, the upper end of driving gear is fixedly connected with limit frame, the surface of limit frame is connected with the inner wall of connecting apron, the surface of limit frame is connected with the inner wall of connecting apron, the right end of driving gear is engaged with the left end of driven gear.

[0007] Through the technical scheme, the design that the driving gear drives the driven gear to rotate to drive the upper end sliding frame to extend and retract is used, the purpose that the position of the soybean milk piston head is fixed conveniently is realized, when the piston head is damaged and needs to be replaced, the piston head can be conveniently disassembled and assembled, the situation that the complete piston needs to be replaced when the piston head is damaged is prevented, and therefore the maintenance cost of the piston as a whole is reduced, and the practicability of the piston as a whole is improved.

[0008] As a further improvement of the above-mentioned scheme, the plug mechanism comprises a piston head, a plurality of installation grooves are formed in the surface of the piston head, a clamping groove is formed in the inner wall of the piston head, a sealing ring is sleeved on the inner wall of the installation groove, an oil ring is sleeved on the inner wall of the installation groove, the oil ring is located at the lower end of the sealing ring, and the inner wall of the clamping groove is clamped with the surface of the sliding frame.

[0009] Through the technical scheme, the design that the driving gear drives the driven gear to rotate to drive the upper end sliding frame to extend and retract is used, the purpose that the position of the soybean milk piston head is fixed conveniently is realized, when the piston head is damaged and needs to be replaced, the piston head can be conveniently disassembled and assembled, the situation that the complete piston needs to be replaced when the piston head is damaged is prevented, and therefore the maintenance cost of the piston as a whole is reduced, and the practicability of the piston as a whole is improved.

[0010] As a further improvement of the above-mentioned scheme, the driving mechanism comprises a connecting shaft, the connecting shaft is rotatably connected with a connecting rod, the surface of the connecting shaft is fixedly connected with the inner wall of the connecting skirt, a threaded groove is formed in the lower end of the sliding frame, the upper end of the threaded disc is threadedly connected with the lower end of the sliding frame, and the surface of the threaded disc is rotatably connected with the inner wall of the connecting block.

[0011] Through the technical scheme, a basis is provided for connecting the subsequent piston and other components, and the use of the subsequent piston is more convenient.

[0012] Compared with the prior art, the beneficial effects of the utility model lie in:

[0013] The utility model discloses a connecting mechanism is set up, specifically is: the downward pressure driving gear makes it drive the spacer and the inner wall of connecting skirt seat separate, to this to remove the rotation limit of driving gear, subsequently rotate driving gear to drive driven gear and rotate, simultaneously drive the rotation of screw tray, and the sliding frame on its upper end is under the limit of connecting block and slides to the inner wall of connecting block under the rotation of screw tray, to this to make the inner wall of sliding frame and the joint groove separate, at this moment can remove piston head, after the removal is completed, the new piston head is inserted to the connecting block again, subsequently reverse rotation driving gear again and drive sliding frame to extend, to this to fix the position of new piston head, after fixing, loosen the pressure of driving gear, at this moment driving gear drives spacer to rise again under the action of spring, to this to be inserted into the inner wall of connecting skirt seat and limit its rotation, complete the reassembly of piston head, use the design that driving gear drives driven gear and rotates to drive the telescopic design of upper end sliding frame, realize the purpose that convenient soybean milk piston head position is fixed, when the subsequent piston head needs replacement when damaging, can conveniently assemble and disassemble, prevent the situation that complete piston needs replacement when piston head is damaged, thereby reduce the maintenance cost of piston whole in later period, improve the practicability of piston whole.

[0014] The utility model discloses a plug mechanism is set up, specifically is: the sealing ring is located on the upper half of piston head, directly contacts high temperature and high pressure gas, mainly bears the gas sealing function, prevents gas leakage to the crankcase, and simultaneously the oil ring is located below the sealing ring, is used for scraping the excess oil of cylinder wall and forms the uniform oil film, avoids the excessive oil to be into the combustion chamber, and simultaneously the joint groove of piston head inner wall is used for and other components and is docked, so that subsequent use, the design that uses multiple installation slot to install sealing ring and oil ring has realized the mutual interference of sealing ring and oil ring reduction, has promoted the sealing efficiency and reduced the oil consumption, makes the subsequent use of piston more convenient. ACCURACY OF DRAWINGS

[0015] Figure 1 It is whole structure schematic diagram of the utility model;

[0016] Figure 2 It is connecting mechanism structure schematic diagram of the utility model;

[0017] Figure 3 It is connecting mechanism internal structure schematic diagram of the utility model;

[0018] Figure 4 It is the utility model Figure 3 It is the structure schematic diagram of the utility model A place amplification;

[0019] Figure 5 It is plug mechanism structure schematic diagram of the utility model;

[0020] Figure 6The utility model discloses a part connecting structure schematic diagram.

[0021] Main symbol explanation:

[0022] 1, connecting mechanism, 101, connecting skirt, 102, connecting block, 103, driven gear, 104, threaded disc, 105, sliding frame, 106, rotating shaft, 107, driving gear, 108, limit frame, 109, spring, 2, plug head mechanism, 201, piston head, 202, mounting groove, 203, clamping groove, 204, sealing ring, 205, oil ring, 3, driving mechanism, 301, connecting shaft, 302, connecting rod. Specific embodiments

[0023] Below, combining the drawings and specific embodiments, the utility model is described further, need explaining, under the premise of not conflicting, the following described each embodiment or each technical feature between between can be arbitrary combination and form new embodiment.

[0024] Embodiment:

[0025] Please combine Figures 1-6 The utility model discloses a kind of multi-channel pistons with oil control ring, including connecting mechanism 1, plug head mechanism 2 and driving mechanism 3, connecting mechanism 1 is located in the lower end of plug head mechanism 2, driving mechanism 3 is located in the lower end of connecting mechanism 1;

[0026] Connecting mechanism 1 includes connecting skirt 101, the upper end of connecting skirt 101 is fixedly connected with connecting block 102, the inner wall of connecting skirt 101 is rotatably connected with driven gear 103, the upper end of driven gear 103 is fixedly connected with threaded disc 104, the inner wall of connecting block 102 is slidably connected with sliding frame 105, the inner wall of connecting skirt 101 is rotatably connected with rotating shaft 106, the surface of rotating shaft 106 is slidably connected with driving gear 107, the upper end of driving gear 107 is fixedly connected with limit frame 108, the surface of rotating shaft 106 is sleeved with spring 109, using driving gear 107 drives driven gear 103 to rotate to drive upper end sliding frame 105 to retract, the purpose of realizing that the position of convenient soya-bean milk piston head 201 is fixed is achieved, so that subsequent piston head 201 can be conveniently disassembled when needing replacement when damaging, to prevent the situation that complete piston needs to be replaced when piston head 201 is damaged, thereby reducing the maintenance cost of piston whole in later period, improve the practicability of piston whole.

[0027] Spring 109 is located in the lower end of driving gear 107, the surface of limit frame 108 is clamped with the inner wall of connecting skirt 101, the right end of driving gear 107 is engaged with the left end of driven gear 103.

[0028] The plug mechanism 2 comprises a piston head 201, a plurality of installation grooves 202 are arranged on the surface of the piston head 201, a clamping groove 203 is arranged on the inner wall of the piston head 201, a sealing ring 204 is sleeved on the inner wall of the installation groove 202, and an oil ring 205 is sleeved on the inner wall of the installation groove 202. The design that the sealing ring 204 and the oil ring 205 are installed by using a plurality of installation grooves 202 reduces the mutual interference between the sealing ring 204 and the oil ring 205, improves the sealing efficiency, reduces the oil consumption, and makes the subsequent use of the piston more convenient.

[0029] The oil ring 205 is located at the lower end of the sealing ring 204, and the inner wall of the clamping groove 203 is clamped with the surface of the sliding frame 105.

[0030] The driving mechanism 3 comprises a connecting shaft 301, and the connecting shaft 301 is rotationally connected with a connecting rod 302.

[0031] The surface of the connecting shaft 301 is fixedly connected with the inner wall of the connecting skirt 101.

[0032] A threaded groove is arranged at the lower end of the sliding frame 105, the upper end of the threaded disc 104 is threadedly connected with the lower end of the sliding frame 105, and the surface of the threaded disc 104 is rotationally connected with the inner wall of the connecting block 102.

[0033] The implementation principle of the piston with the oil control ring and multiple grooves in the embodiment of the application is as follows: when the piston is used, the sealing ring 204 is located on the upper half of the piston head 201 and directly contacts the high-temperature and high-pressure gas, mainly bearing the gas sealing function to prevent the gas from leaking into the crankcase, while the oil ring 205 is located below the sealing ring 204 and is used to scrape off the excess engine oil on the cylinder wall and form a uniform oil film to avoid the excessive engine oil from entering the combustion chamber, and the clamping groove 203 on the inner wall of the piston head 201 is used to be connected with other components for subsequent use, the design of using multiple installation grooves 202 to install the sealing ring 204 and the oil ring 205 reduces the mutual interference between the sealing ring 204 and the oil ring 205, improves the sealing efficiency, reduces the engine oil consumption, and makes the subsequent use of the piston more convenient, when the piston head 201 needs to be replaced due to long-term use, the driving gear 107 is first pressed downward to drive the limiting frame 108 to separate from the inner wall of the connecting skirt 101, so as to release the rotation limiting of the driving gear 107, then the driving gear 107 is rotated to drive the driven gear 103 to rotate, and the threaded disc 104 is also rotated, while the sliding frame 105 at the upper end of the threaded disc 104 slides to the inner wall of the connecting block 102 under the limiting of the connecting block 102, so as to separate the sliding frame 105 from the inner wall of the clamping groove 203, at this time, the piston head 201 can be removed, after the removal is completed, the new piston head 201 is inserted into the connecting block 102 again, then the driving gear 107 is reversely rotated again to drive the sliding frame 105 to extend, so as to fix the position of the new piston head 201, after the fixing is completed, the pressing of the driving gear 107 is released, at this time, the driving gear 107 drives the limiting frame 108 to rise again under the action of the spring 109, so as to be clamped into the inner wall of the connecting skirt 101 to limit the rotation, thus the reassembly and disassembly of the piston head 201 are completed, the design of using the driving gear 107 to drive the driven gear 103 to rotate to drive the upper end sliding frame 105 to extend and retract realizes the purpose of conveniently fixing the position of the piston head 201, so that the piston head 201 can be conveniently disassembled and assembled when it needs to be replaced, so as to prevent the complete piston from being replaced when the piston head 201 is damaged, thereby reducing the maintenance cost of the piston as a whole and improving the practicability of the piston as a whole.

[0034] The above embodiment is only a preferred embodiment of the application, and cannot be used to limit the protection scope of the application, and any non-substantial changes and replacements made by those skilled in the art on the basis of the application all belong to the protection scope of the application.

Claims

1. A multi-groove piston with an oil control ring, characterized in that, It includes a connecting mechanism (1), a plug mechanism (2), and a driving mechanism (3), wherein the connecting mechanism (1) is located at the lower end of the plug mechanism (2), and the driving mechanism (3) is located at the lower end of the connecting mechanism (1); The connecting mechanism (1) includes a connecting skirt (101), a connecting block (102) is fixedly connected to the upper end of the connecting skirt (101), a driven gear (103) is rotatably connected to the inner wall of the connecting skirt (101), a threaded disc (104) is fixedly connected to the upper end of the driven gear (103), a sliding frame (105) is slidably connected to the inner wall of the connecting block (102), a rotating shaft (106) is rotatably connected to the inner wall of the connecting skirt (101), a driving gear (107) is slidably connected to the surface of the rotating shaft (106), a limit frame (108) is fixedly connected to the upper end of the driving gear (107), and a spring (109) is sleeved on the surface of the rotating shaft (106).

2. The piston with a multi-channel oil control ring as described in claim 1, characterized in that: The spring (109) is located at the lower end of the drive gear (107), the surface of the limiting bracket (108) is engaged with the inner wall of the connecting skirt (101), and the right end of the drive gear (107) meshes with the left end of the driven gear (103).

3. A multi-channel piston with an oil control ring as described in claim 2, characterized in that: The plug mechanism (2) includes a piston head (201), the surface of which is provided with a plurality of mounting grooves (202), the inner wall of which is provided with a snap-fit ​​groove (203), a sealing ring (204) is fitted into the inner wall of the mounting groove (202), and an oil ring (205) is fitted into the inner wall of the mounting groove (202).

4. A multi-channel piston with an oil control ring as described in claim 3, characterized in that: The oil ring (205) is located at the lower end of the sealing ring (204), and the inner wall of the snap-fit ​​groove (203) snaps into the surface of the sliding frame (105).

5. A multi-channel piston with an oil control ring as described in claim 4, characterized in that: The drive mechanism (3) includes a connecting shaft (301), and a connecting rod (302) is rotatably connected to the surface of the connecting shaft (301).

6. A multi-channel piston with an oil control ring as described in claim 5, characterized in that: The surface of the connecting shaft (301) is fixedly connected to the inner wall of the connecting skirt (101).

7. A multi-channel piston with an oil control ring as described in claim 6, characterized in that: The lower end of the sliding frame (105) is provided with a threaded groove, the upper end of the threaded disc (104) is threadedly connected to the lower end of the sliding frame (105), and the surface of the threaded disc (104) is rotatably connected to the inner wall of the connecting block (102).