CN217518723U

CN217518723U - Engine tappet lubricating device

Info

Publication number: CN217518723U
Application number: CN202220854012.0U
Authority: CN
Inventors: 包建忠; 王正阳
Original assignee: Wuxi Xizhou Machinery Co ltd
Current assignee: Wuxi Xizhou Machinery Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-09-30
Anticipated expiration: 2032-04-11

Abstract

The utility model belongs to the technical field of tappets, in particular to an engine tappet lubricating device, which comprises a tappet body; a roller shaft is arranged in the tappet body; the roller shaft is rotatably connected with a steel ball body; a lubricating hole is formed in the roller shaft; an oil guide plate is fixedly connected inside the roller shaft; the inside of the roller shaft is rotatably connected with a ball; a plurality of groups of balls are arranged inside the roller shaft; the tappet body is provided with a sealing cover; a first oil guide hole is formed in the tappet body, and one end of the first oil guide hole is aligned with the lubricating hole; through the first oil guide hole and the first oil guide hole, lubricating oil can be guided into the roller shaft, the ball can rotate due to the rotation of the steel ball body, and the lubricating oil can be guided to the inner side wall of the steel ball body and the surface of the roller shaft due to the rotation of the ball, so that the loss condition of the steel ball body and the roller shaft due to the rotation abrasion is reduced, the service life of a product is prolonged, and the maintenance and replacement frequency of a tappet body is reduced.

Description

Engine tappet lubricating device

Technical Field

The utility model belongs to the technical field of the tappet, specific engine tappet lubricating arrangement that says so.

Background

The tappet is used for transmitting the thrust of the camshaft to the push rod and bearing the lateral force applied when the camshaft rotates; the tappet is provided with an adjusting screw at the top thereof for adjusting the valve clearance.

There are three forms of tappets: mushroom type, cylinder type, roller type; the roller type tappet is one kind of tappet and has the advantage of reducing the lateral force to support caused by friction.

In the prior art, the roller tappet needs to be periodically maintained, added with lubricating oil or replaced to ensure the roller of the roller tappet to rotate smoothly, the traditional roller tappet is simple in structure and has no lubricating structure, and the lubricating device for the engine tappet is provided.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art's not enough, solve among the prior art at present, roller type tappet needs regular maintenance to add lubricating oil or change, guarantees roller type tappet's gyro wheel and rotates smoothness nature, and traditional roller type tappet simple structure does not have lubricating structure's problem, the utility model provides an engine tappet lubricating arrangement.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to an engine tappet lubricating device, which comprises a tappet body; a roller shaft is arranged in the tappet body; the roller shaft is rotatably connected with a steel ball body; a lubricating hole is formed in the roller shaft; an oil guide plate is fixedly connected inside the roller shaft; the inside of the roller shaft is rotatably connected with a ball; a plurality of groups of balls are arranged inside the roller shaft; the tappet body is provided with a sealing cover; the tappet body is internally provided with a first oil guide hole, and one end of the first oil guide hole is aligned with the lubricating hole; the rotation of the ball can guide lubricating oil to the inner side wall of the steel ball body and the surface of the roller shaft, so that the loss condition of the steel ball body and the roller shaft caused by rotational wear is reduced, the service life of a product is prolonged, and the maintenance and replacement frequency of the tappet body is reduced.

Preferably, a second oil guide hole is formed in the tappet body; a first oil guide block is fixedly connected inside the tappet body; the top end of the first oil guide block is fixedly connected with a second oil guide block; one end of the second oil guide block is provided with a steel ball body; a plurality of groups of second oil guide blocks are arranged inside the tappet body; the rotation of the steel ball body can be contacted with the second oil guide block, and the rotation of the steel ball body can adsorb lubricating oil on the second oil guide block, so that the smoothness of the surface of the steel ball body is improved, and the influence of the rotational wear on the steel ball body is reduced.

Preferably, an elastic jacking block is fixedly connected inside the second oil guide block; the top end of the elastic top block is fixedly connected with a supporting block; the bottom end of the supporting block is fixedly connected with an elastic sheet; a plurality of groups of elastic jacking blocks and supporting blocks are arranged in the second oil guide block; avoid No. two to lead the surface that the oil cake can not contact the steel ball body to can not lubricate the steel ball body, the shell fragment can improve the toughness of supporting shoe, thereby improves the stability of No. two oil cake positions.

Preferably, the middle part of the sealing cover is fixedly connected with a first sealing ring; a second sealing ring is fixedly connected inside the tappet body; the first sealing ring corresponds to the second sealing ring; no. two sealing rings and sealing ring are made of rubber materials and have good sealing performance, and the sealing performance of the sealing cover can be improved through the matching of the sealing ring and the sealing ring No. two.

Preferably, a retaining block is fixedly connected inside the roller shaft; the retention block is rotatably connected with a ball; a plurality of groups of holes are formed in the retention block; the retaining block can limit the position of the ball, and the hole in the retaining block can facilitate the flow of lubricating oil in the roller shaft to the ball.

Preferably, a support rod is fixedly connected to the middle part of the elastic top block; the supporting rods are crossed on the elastic jacking blocks and the elastic sheets, and a plurality of groups of supporting rods are arranged inside the second oil guide block; therefore, the second oil guide block can be attached to the surface of the steel ball body, the supporting performance of the supporting block can be improved due to the elasticity of the supporting rod, and the probability of the second oil guide block being compressed is reduced.

The beneficial effects of the utility model are that:

1. the utility model provides an engine tappet lubricating arrangement, through leading oilhole and can be in lubricating oil direction roller shaft, the rotation of the steel spheroid can make the ball rotate, and the rotation of ball can be on the surface lubricating oil direction steel spheroidal inside wall and roller shaft to reduce the wearing and tearing to the wearing and tearing condition of steel spheroid and roller shaft, and then the life of extension product, reduce the frequency that the tappet body was maintained and was changed.

2. The utility model provides an engine tappet lubricating arrangement can make lubricating oil flow to No. two oil guiding holes through an oil guiding hole, lubricating oil can flow to an oil guiding block through No. two oil guiding holes, lubricating oil can be saved in the inside of an oil guiding block and No. two oil guiding blocks, the rotation of steel ball can contact with No. two oil guiding blocks, the rotation of steel ball can adsorb lubricating oil on No. two oil guiding blocks, thereby improve the smoothness nature on steel ball surface, reduce the influence of rotational wear to the steel ball.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

FIG. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is a cross-sectional view of the first embodiment;

FIG. 3 is a top view of the first embodiment;

FIG. 4 is a perspective view of a sealing cover structure according to the first embodiment;

FIG. 5 is a perspective view of a roller axle structure according to the first embodiment;

FIG. 6 is an enlarged view taken at A in FIG. 3;

FIG. 7 is an enlarged view at B in FIG. 3;

FIG. 8 is a schematic view showing another embodiment of the structure of the sealing cover according to the second embodiment;

illustration of the drawings:

1. a tappet body; 12. a roller shaft; 13. a steel sphere; 14. an oil guide plate; 15. a ball bearing; 16. a sealing cover; 17. a first oil guide hole; 18. a second oil guide hole; 19. a first oil guide block; 20. a second oil guide block; 21. a support block; 22. an elastic jacking block; 23. a spring plate; 24. a first sealing ring; 25. a second sealing ring; 26. a retention block; 27. a support bar; 28. and (6) disassembling the pull ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-7, an engine tappet lubrication device includes a tappet body 1; a roller shaft 12 is arranged in the tappet body 1; the roller shaft 12 is rotatably connected with a steel ball body 13; a lubricating hole is formed in the roller shaft 12; an oil guide plate 14 is fixedly connected inside the roller shaft 12; the inside of the roller shaft 12 is rotatably connected with a ball 15; a plurality of groups of the balls 15 are arranged inside the roller shaft 12; the tappet body 1 is provided with a sealing cover 16; a first oil guide hole 17 is formed in the tappet body 1, and one end of the first oil guide hole 17 is aligned with the lubricating hole; during operation, before operation, the sealing cover 16 is firstly opened to fill lubricating oil into the first oil guide hole 17 of the tappet body 1, then the sealing cover 16 is installed on the tappet body 1, the steel ball body 13 can rotate on the roller shaft 12 during operation of the tappet body 1, the lubricating oil in the first oil guide hole 17 flows into the lubricating hole in the roller shaft 12, the steel ball body 13 rotates to enable the ball 15 to rotate, the lubricating oil can be guided to the inner side wall of the steel ball body 13 and the surface of the roller shaft 12 through the rotation of the ball 15, loss of the steel ball body 13 and the roller shaft 12 due to rotational abrasion is reduced, the service life of a product is prolonged, the lubricating oil absorbed by the oil guide plate 14 can be attached to the surface of the ball 15, and the lubricating oil on the oil guide plate 14 can be guided out through the rotation of the ball 15.

A second oil guide hole 18 is formed in the tappet body 1; a first oil guide block 19 is fixedly connected inside the tappet body 1; the top end of the first oil guide block 19 is fixedly connected with a second oil guide block 20; one end of the second oil guide block 20 is provided with a steel ball body 13; a plurality of groups of second oil guide blocks 20 are arranged inside the tappet body 1; one part of lubricating oil in the first oil guide hole 17 flows to the roller shaft 12, the other part of lubricating oil flows to the second oil guide hole 18, the lubricating oil can flow to the first oil guide block 19 through the second oil guide hole 18, the first oil guide block 19 is made of sponge materials, the lubricating oil can be stored in the first oil guide block 19 and the second oil guide block 20, the steel ball body 13 can be in contact with the second oil guide block 20 in rotation, the lubricating oil on the second oil guide block 20 can be adsorbed by the rotation of the steel ball body 13, the smoothness of the surface of the steel ball body 13 is improved, and the influence of rotation abrasion on the steel ball body 13 is reduced.

An elastic top block 22 is fixedly connected inside the second oil guide block 20; the top end of the elastic top block 22 is fixedly connected with a supporting block 21; the bottom end of the supporting block 21 is fixedly connected with an elastic sheet 23; a plurality of groups of elastic jacking blocks 22 and supporting blocks 21 are arranged inside the second oil guide block 20; supporting shoe 21 and elasticity kicking block 22 are that the rubber material makes, good elasticity has, the position that No. two oil guide block 20 were injectd to the position that elasticity kicking block 22 can support supporting shoe 21, can make No. two oil guide block 20 laminates on the surface at steel spheroid 13, the rotation of avoiding long-time work steel spheroid 13 makes No. two oil guide block 20 compress, avoid No. two oil guide block 20 can not contact steel spheroid 13's surface, thereby can not lubricate steel spheroid 13, shell fragment 23 can improve the toughness of supporting shoe 21, thereby improve the stability of No. two oil guide block 20 positions.

A first sealing ring 24 is fixedly connected to the middle part of the sealing cover 16; a second sealing ring 25 is fixedly connected inside the tappet body 1; the first sealing ring 24 corresponds to the second sealing ring 25; the inside packing of oil guide hole 17 has lubricating oil, and sealed lid 16 is installed and can be avoided lubricating oil to leak on tappet body 1, and when sealed lid 16 was installed on tappet body 1, a sealing ring 24 can extrude on No. two sealing rings 25, and No. two sealing rings 25 and a sealing ring 24 are that the rubber material makes have good leakproofness, and the leakproofness of sealed lid 16 can be improved through the cooperation of a sealing ring 24 and No. two sealing rings 25.

A fixing block 26 is fixedly connected inside the roller shaft 12; the retaining block 26 is rotatably connected with a ball 15; a plurality of groups of holes are formed in the fixing block 26; the rotation of the steel ball 13 rotates the ball 15, the retention block 26 may define the position of the ball 15, and the hole in the retention block 26 may facilitate the flow of the lubricant in the roller axle 12 toward the ball 15.

A support rod 27 is fixedly connected to the middle part of the elastic top block 22; the supporting rods 27 are crossed on the elastic jacking blocks 22 and the elastic sheets 23, and a plurality of groups of supporting rods 27 are arranged inside the second oil guide block 20; the cooperation of supporting shoe 21 and elasticity kicking block 22 can improve the stability of No. two oil guide block 20 positions to make No. two oil guide block 20 can laminate on the surface of steel ball 13, the support nature of supporting shoe 21 can be improved to the elasticity of bracing piece 27, reduces the probability that No. two oil guide block 20 compressed.

Example two

Referring to fig. 8, in a first comparative example, as another embodiment of the present invention, a detaching ring 28 is fixedly connected to one end of the sealing cover 16; during operation, sealed lid 16 is installed and can be avoided the efficiency of lubricating oil on tappet body 1, and sealed lid 16 can improve position stability through the cooperation of a sealing ring 24 and No. two sealing rings 25, when needing to dismantle sealed lid 16, can conveniently extract sealed lid 16 through dismantling pull ring 28 to the convenience is led oilhole 17 to a and is filled lubricating oil.

The working principle is as follows: during operation, before operation, the sealing cover 16 of the tappet body 1 is opened to fill lubricating oil into the first oil guide hole 17, then the sealing cover 16 is installed on the tappet body 1, when the tappet body 1 operates, the steel ball body 13 can rotate on the roller shaft 12, the lubricating oil in the first oil guide hole 17 flows into the lubricating hole in the roller shaft 12, the steel ball body 13 rotates to enable the ball 15 to rotate, the rotation of the ball 15 can guide the lubricating oil to the inner side wall of the steel ball body 13 and the surface of the roller shaft 12, so that the loss condition of the steel ball body 13 and the roller shaft 12 caused by rotational abrasion is reduced, the service life of a product is prolonged, the lubricating oil absorbed by the oil guide plate 14 can be attached to the surface of the ball 15, and the rotation of the ball 15 can guide the lubricating oil on the oil guide plate 14 out; one part of lubricating oil in the first oil guide hole 17 flows into the roller shaft 12, the other part of lubricating oil flows into the second oil guide hole 18, the lubricating oil can flow to the first oil guide block 19 through the second oil guide hole 18, the first oil guide block 19 is made of sponge materials, the lubricating oil can be stored in the first oil guide block 19 and the second oil guide block 20, the steel ball body 13 can be in contact with the second oil guide block 20 in a rotating mode, the lubricating oil on the second oil guide block 20 can be adsorbed by the steel ball body 13 in the rotating mode, accordingly, the smoothness of the surface of the steel ball body 13 is improved, and the influence of rotating abrasion on the steel ball body 13 is reduced; supporting shoe 21 and elasticity kicking block 22 are that the rubber material makes, good elasticity has, the position that No. two oil guide block 20 were injectd to the position that elasticity kicking block 22 can support supporting shoe 21, can make No. two oil guide block 20 laminates on the surface at steel spheroid 13, the rotation of avoiding long-time work steel spheroid 13 makes No. two oil guide block 20 compress, avoid No. two oil guide block 20 can not contact steel spheroid 13's surface, thereby can not lubricate steel spheroid 13, shell fragment 23 can improve the toughness of supporting shoe 21, thereby improve the stability of No. two oil guide block 20 positions.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. An engine tappet lubricating arrangement which characterized in that: comprises a tappet body (1); a roller shaft (12) is arranged in the tappet body (1); the roller shaft (12) is rotatably connected with a steel ball body (13); a lubricating hole is formed in the roller shaft (12); an oil guide plate (14) is fixedly connected inside the roller shaft (12); the inside of the roller shaft (12) is rotatably connected with a ball (15); a plurality of groups of balls (15) are arranged inside the roller shaft (12); a sealing cover (16) is arranged on the tappet body (1); a first oil guide hole (17) is formed in the tappet body (1), and one end of the first oil guide hole (17) is aligned with the lubricating hole.

2. The engine tappet lubricating device according to claim 1, wherein: a second oil guide hole (18) is formed in the tappet body (1); a first oil guide block (19) is fixedly connected inside the tappet body (1); the top end of the first oil guide block (19) is fixedly connected with a second oil guide block (20); one end of the second oil guide block (20) is provided with a steel ball body (13); and a plurality of groups of No. two oil guide blocks (20) are arranged in the tappet body (1).

3. An engine tappet lubricating device according to claim 2, wherein: an elastic top block (22) is fixedly connected inside the second oil guide block (20); the top end of the elastic top block (22) is fixedly connected with a supporting block (21); the bottom end of the supporting block (21) is fixedly connected with an elastic sheet (23); and a plurality of groups of elastic jacking blocks (22) and supporting blocks (21) are arranged in the second oil guide block (20).

4. An engine tappet lubricating device according to claim 3, wherein: a first sealing ring (24) is fixedly connected to the middle part of the sealing cover (16); a second sealing ring (25) is fixedly connected inside the tappet body (1); the first sealing ring (24) corresponds to the second sealing ring (25).

5. The engine tappet lubricating device according to claim 4, wherein: a retaining block (26) is fixedly connected inside the roller shaft (12); the retaining block (26) is connected with a ball (15) in a rotating way; a plurality of groups of holes are arranged in the fixing block (26).

6. An engine tappet lubricating device according to claim 5, wherein: a support rod (27) is fixedly connected to the middle part of the elastic top block (22); the supporting rods (27) are crossed on the elastic jacking blocks (22) and the elastic sheets (23), and a plurality of groups of supporting rods (27) are arranged in the second oil guide block (20).