CN214577255U - Diesel engine push rod with lubricating effect - Google Patents
Diesel engine push rod with lubricating effect Download PDFInfo
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- CN214577255U CN214577255U CN202120518630.3U CN202120518630U CN214577255U CN 214577255 U CN214577255 U CN 214577255U CN 202120518630 U CN202120518630 U CN 202120518630U CN 214577255 U CN214577255 U CN 214577255U
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Abstract
A diesel engine push rod with a lubricating effect comprises a rod body, a ball head seat arranged at the upper end of the rod body and a ball head arranged at the lower end of the rod body, wherein a spherical contact surface is arranged at the center of the upper surface of the ball head seat, a spherical groove is formed between the spherical contact surface and the upper surface of the ball head seat, and an upper oil cavity is arranged on the right side wall of the upper part of the rod body; an upper plug is screwed at the cavity opening of the upper oil cavity; an upper lubricating device matched with the spherical groove is arranged in the upper oil cavity; a lower oil cavity is formed in the right side wall of the lower part of the rod body; a lower plug is screwed on the cavity opening of the lower oil cavity; and a lower lubricating device matched with the ball head is arranged in the lower oil cavity. The utility model discloses a diesel engine push rod with lubrication action can play self-lubrication's effect when self and valve tappet, valve rocker contact, effectively avoids the condition that wearing and tearing appear in the contact position, guarantees power transmission's stability.
Description
Technical Field
The utility model relates to a diesel engine push rod, especially a diesel engine push rod with lubrication action.
Background
The diesel engine push rod is a power transmission part located between the valve lifter and the valve rocker, one end of the diesel engine push rod is provided with a ball head, the other end of the diesel engine push rod is provided with a ball head seat, the valve lifter and the ball head seat are both provided with spherical contact surfaces, and the ball head of the diesel engine push rod is in contact with the valve lifter and the ball head seat and the valve rocker through the spherical contact surfaces, so that power transmission is realized.
The contact each time between the bulb of diesel engine push rod and the valve tappet, the contact each time between bulb seat and the valve rocker all can form the friction, and long-time friction very easily causes the wearing and tearing of contact position, finally leads to the unable perfect laminating of contact position, influences the power transmission effect of push rod, appears the unstable condition of power transmission, influences the performance of diesel engine.
Disclosure of Invention
The utility model aims to solve the current technical problem and provide a diesel engine push rod with lubrication action, it can play self-lubricate's effect when self contacts with valve tappet, valve rocker, effectively avoids the condition that wearing and tearing appear in the contact position, guarantees power transmission's stability.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model discloses a diesel engine push rod with lubrication action, including the pole body, locate the bulb of pole body upper end headstock and locate the bulb of pole body lower extreme, bulb headstock upper surface center is equipped with spherical contact surface, forms spherical groove, its characterized in that between spherical contact surface and the bulb headstock upper surface: an upper oil cavity is arranged on the right side wall of the upper part of the rod body; an upper plug is screwed at the cavity opening of the upper oil cavity; an upper lubricating device matched with the spherical groove is arranged in the upper oil cavity; a lower oil cavity is formed in the right side wall of the lower part of the rod body; a lower plug is screwed on the cavity opening of the lower oil cavity; and a lower lubricating device matched with the ball head is arranged in the lower oil cavity.
The upper lubricating device comprises an upper pressing block which is attached to the upper side cavity wall of the upper oil cavity; an upper spring is arranged between the lower surface of the upper pressing block and the lower side cavity wall of the upper oil cavity; an upper oil outlet gap is formed between the peripheral surface of the upper pressing block and the left side wall of the upper plug; the upper oil cavity is communicated with the spherical groove through an upper telescopic hole; an upper telescopic rod matched with the upper telescopic hole is arranged in the center of the upper surface of the upper pressing block, and the upper end of the upper telescopic rod penetrates into the spherical groove; an upper oil outlet hole is formed in the center of the end face of the upper end of the upper telescopic rod; the outer wall of the lower end of the upper telescopic rod is provided with a plurality of upper oil inlet holes which are uniformly distributed in the circumferential direction, and the upper oil inlet holes are communicated with the upper oil outlet holes; the inner wall of the upper telescopic hole shields and seals the outer end orifice of the upper oil inlet hole.
The lower lubricating device comprises a lower pressing block attached to the cavity wall of the lower side of the lower oil cavity; a lower spring is arranged between the upper surface of the lower pressing block and the upper side cavity wall of the lower oil cavity; a lower oil outlet gap is formed between the peripheral surface of the lower pressing block and the left side wall of the lower plug; a lower telescopic hole is formed in the center of the lower side cavity wall of the lower oil cavity, and an orifice at the lower end of the lower telescopic hole is located in the center of the surface of the ball head; the center of the lower surface of the lower pressing block is provided with a lower telescopic rod matched with the lower telescopic hole, and the lower end of the lower telescopic rod protrudes downwards out of the surface of the ball head; a lower oil outlet hole is formed in the center of the end face of the lower end of the lower telescopic rod; the outer wall of the upper end of the lower telescopic rod is provided with a plurality of lower oil inlet holes which are uniformly distributed in the circumferential direction, and the lower oil inlet holes are communicated with the lower oil outlet holes; the inner wall of the lower telescopic hole shields and seals the outer end orifice of the lower oil inlet hole.
The outer wall of the upper telescopic rod is provided with an upper sealing groove positioned above the upper oil inlet hole, the outer wall of the lower telescopic rod is provided with a lower sealing groove positioned below the lower oil inlet hole, and the upper sealing groove and the lower sealing groove are both annular; and sealing rings matched with the upper sealing groove and the lower sealing groove are arranged in the upper sealing groove and the lower sealing groove.
The end face of the upper end of the upper telescopic rod and the end face of the lower end of the lower telescopic rod are both arc-shaped.
The center of the right side wall of the upper plug and the center of the right side wall of the lower plug are both provided with a straight groove.
The utility model has the advantages that:
compared with the prior art, adopt the utility model discloses lubricating arrangement plays the lubrication action when the spherical contact surface on valve rocker arm and the bulb seat contacts on the diesel engine push rod accessible with the lubrication action of structure, lubricating arrangement plays the lubrication action when the spherical contact surface on the bulb of diesel engine push rod and the valve tappet contacts under the accessible, effectively avoid diesel engine push rod and valve rocker arm, the condition of wearing and tearing appears in the long-term contact friction of valve tappet, play the abrasionproof and decrease effect, guarantee diesel engine push rod and valve rocker arm, laminating type when the valve tappet contacts, thereby effectively guarantee power transmission's stability.
Drawings
FIG. 1 is a schematic structural diagram of a lubricating diesel engine push rod of the present invention;
FIG. 2 is a schematic view of a part of the lubricating diesel engine push rod of the present invention;
fig. 3 is a schematic structural diagram of another part of the diesel engine push rod with a lubricating effect according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 to 3, the utility model provides a diesel engine push rod with lubricating effect, which comprises a rod body 1, a ball head seat 2 arranged at the upper end of the rod body 1 and a ball head 3 arranged at the lower end of the rod body 1, wherein a spherical contact surface 4 is arranged at the center of the upper surface of the ball head seat 2, a spherical groove 5 is formed between the spherical contact surface 4 and the upper surface of the ball head seat 2, and an upper oil cavity 6 is arranged on the right side wall of the upper part of the rod body 1; an upper plug 7 is screwed at the cavity opening of the upper oil cavity 6; an upper lubricating device matched with the spherical groove 5 is arranged in the upper oil cavity 6; a lower oil cavity 8 is arranged on the right side wall of the lower part of the rod body 1; a lower plug 9 is screwed at the cavity opening of the lower oil cavity 8; and a lower lubricating device matched with the ball head 3 is arranged in the lower oil cavity 8.
The upper lubricating device comprises an upper pressing block 10 which is attached to the upper side cavity wall of the upper oil cavity 6; an upper spring 11 is arranged between the lower surface of the upper pressing block 10 and the lower side cavity wall of the upper oil cavity 6; an upper oil outlet gap 12 is formed between the outer peripheral surface of the upper pressing block 10 and the left side wall of the upper plug 7; the upper oil cavity 6 is communicated with the spherical groove 5 through an upper telescopic hole 13; an upper telescopic rod 14 matched with the upper telescopic hole 13 is arranged at the center of the upper surface of the upper pressing block 10, and the upper end of the upper telescopic rod 14 penetrates into the spherical groove 5; an upper oil outlet 15 is arranged in the center of the end face of the upper end of the upper telescopic rod 14; the outer wall of the lower end of the upper telescopic rod 14 is provided with a plurality of upper oil inlet holes 16 which are uniformly distributed in the circumferential direction, and the upper oil inlet holes 16 are communicated with the upper oil outlet holes 15; the inner wall of the upper telescopic hole 13 shields and seals the outer end orifice of the upper oil inlet hole 16.
The lower lubricating device comprises a lower pressing block 17 attached to the lower side cavity wall of the lower oil cavity 8; a lower spring 18 is arranged between the upper surface of the lower pressing block 17 and the upper side cavity wall of the lower oil cavity 8; a lower oil outlet gap 19 is formed between the peripheral surface of the lower pressing block 17 and the left side wall of the lower plug 9; a lower telescopic hole 20 is formed in the center of the lower side cavity wall of the lower oil cavity 8, and an orifice at the lower end of the lower telescopic hole 20 is positioned in the center of the surface of the ball head 3; the center of the lower surface of the lower pressing block 17 is provided with a lower telescopic rod 21 matched with the lower telescopic hole 20, and the lower end of the lower telescopic rod 21 protrudes downwards out of the surface of the ball head 3; a lower oil outlet hole 22 is formed in the center of the end face of the lower end of the lower telescopic rod 21; the outer wall of the upper end of the lower telescopic rod 21 is provided with a plurality of lower oil inlet holes 23 which are uniformly distributed in the circumferential direction, and the lower oil inlet holes 23 are communicated with the lower oil outlet holes 22; the inner wall of the lower telescopic hole 20 shields and seals the outer end orifice of the lower oil inlet hole 23.
An upper sealing groove 24 positioned above the upper oil inlet hole 16 is formed in the outer wall of the upper telescopic rod 14, a lower sealing groove 25 positioned below the lower oil inlet hole 23 is formed in the outer wall of the lower telescopic rod 21, and the upper sealing groove 24 and the lower sealing groove 25 are both annular; and sealing rings 26 matched with the upper sealing groove 24 and the lower sealing groove 25 are arranged in the upper sealing groove and the lower sealing groove respectively.
The end surface of the upper end of the upper telescopic rod 14 and the end surface of the lower end of the lower telescopic rod 21 are both arc-shaped.
The center of the right side wall of the upper plug 7 and the center of the right side wall of the lower plug 9 are both provided with a straight groove 27.
The utility model discloses a use method as follows:
before using the diesel engine push rod, can insert a word screwdriver earlier in the word groove 27 of last end cap 7 or the word groove 27 of end cap 9 down, then spin upper end cap 7 or lower end cap 9, with upper end cap 7 from the 6 mouths in upper oil chamber, with end cap 9 from 8 mouths in lower oil pocket back-screwing out down, after upper end cap 7 back-screwing out, can fall the push rod side and add lubricating oil up in oil pocket 6, after the lubricating oil addition is accomplished, it can to screw to reset upper end cap 7 again, after end cap 9 back-screwing out down, can fall the push rod side and add lubricating oil down in the oil pocket, after the lubricating oil addition is accomplished, it can to screw to reset lower end cap 9 again.
When the valve rocker arm is contacted with the spherical contact surface on the ball head seat, the valve rocker arm enters the spherical groove 5 and extrudes the upper end of an upper telescopic rod 14 positioned in the spherical groove 5 downwards, at the moment, the upper telescopic rod 14 moves downwards along the track of the inner wall of an upper telescopic hole 13, an upper pressing block 10 moves downwards along with the upper telescopic rod, when the upper pressing block 10 moves downwards, an upper spring 11 is compressed and generates elasticity, when the upper telescopic rod 14 moves downwards, the lower end of the upper telescopic rod 14 enters an upper oil cavity 6, at the moment, the upper end orifice of an upper oil inlet hole 16 is not shielded and sealed by the inner wall of the upper telescopic hole 13, lubricating oil in the upper oil cavity 6 enters an upper oil inlet hole 16 through an upper oil outlet gap 12, then enters an upper oil outlet hole 15, finally enters the spherical groove 5 from the upper end orifice of the upper oil outlet hole 15 and is gradually covered with the spherical contact surface 4, so as to play a lubricating role when the valve rocker arm is contacted with the spherical contact surface 4 on the ball head seat 2, reduce the degree of friction between the two, effectively avoid both long-term contacts wearing and tearing to appear, play the condition of abrasionproof loss, after the valve rocker no longer contacts with spherical contact surface 4 on the ball headstock 2, go up telescopic link 14 and reset under the elastic action of last spring 11, go up telescopic hole 13 inner wall and shield sealed with 16 outer end drill ways of last oilhole once more, go up the lubricating oil of oil intracavity and no longer outwards export, avoid causing the waste of lubricating oil.
When the ball 3 of the diesel engine push rod contacts with the spherical contact surface on the valve lifter, the lower end of the lower telescopic rod 21 protruding out of the surface of the ball 3 is extruded by the spherical contact surface, so that the lower telescopic rod 21 moves towards the lower oil cavity 8 along the track of the inner wall of the lower telescopic hole 20, at the moment, the lower pressing block 17 moves upwards along with the lower telescopic rod 21, the lower spring 18 is compressed and generates elasticity, the upper end of the lower telescopic rod 21 enters the lower oil cavity 8, the inner wall of the lower telescopic hole 20 does not shield and seal the outer end orifice of the lower oil inlet 23, at the moment, lubricating oil in the lower oil cavity 8 enters the lower oil inlet 23 through the lower oil outlet gap 19 and then enters the lower oil outlet 22, and finally flows into the spherical contact surface 4 of the valve lifter from the lower end orifice of the lower oil outlet 22, so as to play a role of lubrication, the friction degree between the ball 3 and the valve lifter is effectively reduced, and the condition that the ball 3 is worn due to long-term contact with the valve lifter is avoided, the anti-abrasion effect is achieved, when the ball head 3 is not in contact with the valve lifter any more, the lower telescopic rod 21 can reset under the action of the lower spring 18, the outer end hole opening of the lower oil inlet hole 23 is shielded and sealed by the inner wall of the lower telescopic hole 20 again, lubricating oil in the lower oil cavity 8 is not output outwards any more, and the lubricating oil in the lower oil cavity 8 is prevented from being wasted.
In conclusion, the utility model discloses lubricating arrangement plays the lubrication action when spherical contact surface 4 on valve rocker and the bulb seat 2 contacts in the accessible, lubricating arrangement plays the lubrication action when the bulb of diesel engine push rod contacts with spherical contact surface 4 on the valve tappet under the accessible, effectively avoid diesel engine push rod and valve rocker, the condition of wearing and tearing appears in the long-term contact friction of valve tappet, play the abrasionproof and decrease effect, guarantee diesel engine push rod and valve rocker, laminating type when the valve tappet contacts, thereby effectively guarantee power transmission's stability.
Go up the telescopic link 14 outer wall and be equipped with the last seal groove 24 that is located the top of last oilhole 16, lower telescopic link 21 outer wall is equipped with the lower seal groove 25 that is located oil inlet 23 below down, go up seal groove 24 and seal groove 25 down and all be the annular, go up in the seal groove 24 and all be equipped with in the seal groove 25 down with self assorted sealing washer 26, go up sealing washer 26 in the seal groove 24 and can effectively guarantee the leakproofness between telescopic hole 13 and last telescopic link 14, the leakproofness between telescopic hole 20 and the lower telescopic link 21 can effectively be guaranteed to the sealing washer 26 in the lower seal groove 25.
The end face of the upper end of the upper telescopic rod 14 and the end face of the lower end of the lower telescopic rod 21 are both arc-shaped, so that the upper telescopic rod has smoothness, and the condition that the end parts are too sharp to cause abrasion when a push rod of a diesel engine is contacted with a valve rocker and a valve tappet is avoided.
Claims (6)
1. The utility model provides a diesel engine push rod with lubrication action, includes the pole body, locates the bulb seat of pole body upper end and locates the bulb of pole body lower extreme, and bulb seat upper surface center is equipped with spherical contact surface, forms spherical groove, its characterized in that between spherical contact surface and the bulb seat upper surface: an upper oil cavity is arranged on the right side wall of the upper part of the rod body; an upper plug is screwed at the cavity opening of the upper oil cavity; an upper lubricating device matched with the spherical groove is arranged in the upper oil cavity; a lower oil cavity is formed in the right side wall of the lower part of the rod body; a lower plug is screwed on the cavity opening of the lower oil cavity; and a lower lubricating device matched with the ball head is arranged in the lower oil cavity.
2. The diesel engine pushrod with lubrication according to claim 1, wherein: the upper lubricating device comprises an upper pressing block which is attached to the upper side cavity wall of the upper oil cavity; an upper spring is arranged between the lower surface of the upper pressing block and the lower side cavity wall of the upper oil cavity; an upper oil outlet gap is formed between the peripheral surface of the upper pressing block and the left side wall of the upper plug; the upper oil cavity is communicated with the spherical groove through an upper telescopic hole; an upper telescopic rod matched with the upper telescopic hole is arranged in the center of the upper surface of the upper pressing block, and the upper end of the upper telescopic rod penetrates into the spherical groove; an upper oil outlet hole is formed in the center of the end face of the upper end of the upper telescopic rod; the outer wall of the lower end of the upper telescopic rod is provided with a plurality of upper oil inlet holes which are uniformly distributed in the circumferential direction, and the upper oil inlet holes are communicated with the upper oil outlet holes; the inner wall of the upper telescopic hole shields and seals the outer end orifice of the upper oil inlet hole.
3. The diesel engine pushrod with lubrication according to claim 2, wherein: the lower lubricating device comprises a lower pressing block attached to the cavity wall of the lower side of the lower oil cavity; a lower spring is arranged between the upper surface of the lower pressing block and the upper side cavity wall of the lower oil cavity; a lower oil outlet gap is formed between the peripheral surface of the lower pressing block and the left side wall of the lower plug; a lower telescopic hole is formed in the center of the lower side cavity wall of the lower oil cavity, and an orifice at the lower end of the lower telescopic hole is located in the center of the surface of the ball head; the center of the lower surface of the lower pressing block is provided with a lower telescopic rod matched with the lower telescopic hole, and the lower end of the lower telescopic rod protrudes downwards out of the surface of the ball head; a lower oil outlet hole is formed in the center of the end face of the lower end of the lower telescopic rod; the outer wall of the upper end of the lower telescopic rod is provided with a plurality of lower oil inlet holes which are uniformly distributed in the circumferential direction, and the lower oil inlet holes are communicated with the lower oil outlet holes; the inner wall of the lower telescopic hole shields and seals the outer end orifice of the lower oil inlet hole.
4. A diesel engine pushrod with lubricating effect according to claim 3 wherein: the outer wall of the upper telescopic rod is provided with an upper sealing groove positioned above the upper oil inlet hole, the outer wall of the lower telescopic rod is provided with a lower sealing groove positioned below the lower oil inlet hole, and the upper sealing groove and the lower sealing groove are both annular; and sealing rings matched with the upper sealing groove and the lower sealing groove are arranged in the upper sealing groove and the lower sealing groove.
5. A diesel engine pushrod with lubricating effect according to claim 3 wherein: the end face of the upper end of the upper telescopic rod and the end face of the lower end of the lower telescopic rod are both arc-shaped.
6. The diesel engine pushrod with lubrication according to claim 1, wherein: the center of the right side wall of the upper plug and the center of the right side wall of the lower plug are both provided with a straight groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120518630.3U CN214577255U (en) | 2021-03-11 | 2021-03-11 | Diesel engine push rod with lubricating effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120518630.3U CN214577255U (en) | 2021-03-11 | 2021-03-11 | Diesel engine push rod with lubricating effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214577255U true CN214577255U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120518630.3U Active CN214577255U (en) | 2021-03-11 | 2021-03-11 | Diesel engine push rod with lubricating effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214577255U (en) |
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2021
- 2021-03-11 CN CN202120518630.3U patent/CN214577255U/en active Active
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