CN214836598U

CN214836598U - Additional oil seal of valve rod

Info

Publication number: CN214836598U
Application number: CN202121702539.3U
Authority: CN
Inventors: 张洪兴
Original assignee: Dalian Lanbo Machine Building Co
Current assignee: Dalian Lanbo Machine Building Co
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-11-23
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses an install oil blanket additional of valve stem, including drive gear, drive gear's surface articulates there is the transfer line, the one end of transfer line articulates there is the valve stem, the fixed screw thread inner tube that is provided with in top of valve stem, the top screw thread of screw thread inner tube is provided with the valve stem oil blanket, the inner wall of valve stem oil blanket and screw thread inner tube closely laminates and has dustproof cloth, the surface activity of valve stem oil blanket is provided with valve guide. The utility model discloses a fixed threaded inner tube that is provided with in the top of valve stem, through the threaded connection between threaded inner tube and the valve stem oil blanket, the lubricating oil that prevents the splash through the mode of installing the valve stem oil blanket additional at the top of valve stem flows through the top of valve stem, still is provided with the dustproof cloth simultaneously between valve stem oil blanket and threaded inner tube, prevents dust through the dustproof cloth, prevents that the dust from entering into the inside of valve stem oil blanket and threaded inner tube to influence the normal operation of valve stem.

Description

Additional oil seal of valve rod

Technical Field

The utility model relates to a valve oil blanket technical field specifically is an install oil blanket additional of valve stem.

Background

The valve is used for specially inputting air into the engine and discharging combusted waste gas. From the engine structure, the engine is divided into an intake valve and an exhaust valve. The intake valve is used for sucking air into the engine to be mixed with fuel for combustion; the exhaust valve is used for discharging combusted waste gas and dissipating heat.

However, in the prior art, when in actual use, a valve and a guide pipe of an original diesel engine are not provided with a sealing device, sometimes lubricating oil splashed in a cylinder head leaks onto the valve through a valve rod and enters a cylinder through intake air or is exhausted into a manifold and is discharged into the atmosphere.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an install oil blanket additional of valve stem to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an install oil blanket additional of valve stem, includes drive gear, drive gear's surface articulates there is the transfer line, the one end of transfer line articulates there is the valve stem, the fixed screw thread inner tube that is provided with in top of valve stem, the top screw thread of screw thread inner tube is provided with the valve stem oil blanket, the inner wall of valve stem oil blanket and screw thread inner tube closely laminates and has dustproof cloth, the surface activity of valve stem oil blanket is provided with the valve pipe, the fixed combustion chamber that is provided with in top of valve pipe.

Preferably, the bottom surface of the valve rod is fixedly provided with a lower spring base, the top of the lower spring base is fixedly provided with a lower valve rod spring ring, the lower valve rod spring ring moves on the surface of the valve rod, and the lower valve rod spring ring is used for assisting in compression.

Preferably, the top end of the valve rod oil seal is fixedly provided with an upper spring base, the bottom of the upper spring base is fixedly provided with an upper valve rod spring ring, the upper valve rod spring ring moves on the surface of a valve rod, and the upper valve rod spring ring is used for assisting in compression.

Preferably, a valve locking clamp is fixedly arranged at the top of the upper spring base.

Preferably, the diameter of the lower valve rod spring ring is smaller than that of the upper valve rod spring ring, and the lower valve rod spring ring moves in the upper valve rod spring ring.

Preferably, the surface of the lower valve rod spring ring is provided with a driving unit.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a fixedly at the top of valve stem be provided with the screw thread inner tube, through the threaded connection between screw thread inner tube and the valve stem oil blanket, prevent the lubricating oil of splash through the top outflow of valve stem through the mode of installing the valve stem oil blanket additional at the top of valve stem, still be provided with dustproof cloth between valve stem oil blanket and screw thread inner tube simultaneously, prevent dust through dustproof cloth, prevent that the dust from entering into the inside of valve stem oil blanket and screw thread inner tube to influence the normal operation of valve stem;

2. the utility model discloses still be provided with down spring holder and lower valve stem spring coil simultaneously through the bottom at the valve stem, be provided with valve stem spring coil and last spring holder at the top of valve stem, drive gear when drive unit drives, drive gear drives the transfer line, the transfer line drives the valve stem when piston motion is done at the inner wall of valve guide, through last valve stem spring coil and lower buffer compression between the valve stem spring coil, make the valve stem more steady at the inside motion of valve guide, thereby the efficiency of acting is even, make the effect of acting better.

Drawings

FIG. 1 is a front sectional view of the whole structure of an oil seal of a valve stem of the present invention;

FIG. 2 is a schematic view of the structure of the valve stem of the present invention with an oil seal spring;

fig. 3 is an enlarged view of the structure near the dustproof cloth of the oil seal installed on the valve stem of the present invention.

In the figure: 1. a drive gear; 2. a transmission rod; 3. a valve stem; 4. a valve stem oil seal; 5. a valve guide; 6. a combustion chamber; 7. a threaded inner tube; 8. a dust cloth; 10. a lower spring mount; 11. a lower valve stem spring ring; 12. an upper valve stem spring ring; 13. an upper spring base; 14. a valve collet.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an install oil blanket additional of valve stem, including drive gear 1, drive gear 1's surface articulates there is transfer line 2, the one end that drive gear 1 was kept away from to transfer line 2 articulates there is valve stem 3, the top fixed mounting of valve stem 3 has screw thread inner tube 7, the top threaded connection of screw thread inner tube 7 has valve stem oil blanket 4, the inner wall of valve stem oil blanket 4 and screw thread inner tube 7 closely laminates and has dustproof cloth 8, the surface swing joint of valve stem oil blanket 4 has valve pipe 5, the fixed combustion chamber 6 that is provided with in top of valve pipe 5.

The bottom surface fixed mounting of valve stem 3 has lower spring mount 10, and the top fixed mounting of lower spring mount 10 has lower valve stem spring circle 11, and lower valve stem spring circle 11 is in the surface activity of valve stem 3, and lower valve stem spring circle 11 is used for supplementary compression.

The top end of the valve rod oil seal 4 is fixedly provided with an upper spring base 13, the bottom of the upper spring base 13 is fixedly provided with an upper valve rod spring ring 12, the upper valve rod spring ring 12 moves on the surface of the valve rod 3, and the upper valve rod spring ring 12 is used for assisting in compression.

And a valve locking clamp 14 is fixedly arranged at the top of the upper spring base 13.

The diameter of the lower valve rod spring ring 11 is smaller than that of the upper valve rod spring ring 12, and the lower valve rod spring ring 11 moves in the upper valve rod spring ring 12.

The surface of the lower valve rod spring ring 11 is provided with a driving unit.

The working principle is as follows: when in use, the utility model prevents the splashed lubricating oil from flowing out through the top of the valve rod 3 by fixedly arranging the threaded inner tube 7 at the top of the valve rod 3, by the threaded connection between the threaded inner tube 7 and the valve rod oil seal 4 and additionally arranging the valve rod oil seal 4 at the top of the valve rod 3, and simultaneously arranging the dustproof cloth 8 between the valve rod oil seal 4 and the threaded inner tube 7, and preventing dust from entering the valve rod oil seal 4 and the threaded inner tube 7 by the dustproof cloth 8, thereby influencing the normal operation of the valve rod 3, the utility model also simultaneously arranges the lower spring base 10 and the lower valve rod spring ring 11 at the bottom of the valve rod 3, the upper valve rod 12 and the upper spring base 13 are arranged at the top of the valve rod 3, when the driving unit drives the driving gear 1, the driving gear 1 drives the transmission rod 2, when the transmission rod 2 drives the valve rod 3 to do piston motion on the inner wall of the valve guide pipe 5, the valve rod 3 moves more stably in the valve guide pipe 5 through the buffer compression between the upper valve rod spring ring 12 and the lower valve rod spring ring 11, so that the acting efficiency is even, and the acting effect is better.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an install oil blanket additional of valve stem, includes drive gear (1), its characterized in that: the surface of drive gear (1) articulates there is transfer line (2), the one end of transfer line (2) articulates there is valve stem (3), the fixed screw thread inner tube (7) that is provided with in top of valve stem (3), the top screw thread of screw thread inner tube (7) is provided with valve stem oil blanket (4), the inner wall of valve stem oil blanket (4) and screw thread inner tube (7) closely laminates and has dustproof cloth (8), the surface activity of valve stem oil blanket (4) is provided with valve pipe (5), the fixed combustion chamber (6) that is provided with in top of valve pipe (5).

2. The valve stem add-on oil seal of claim 1, wherein: the bottom fixed surface of valve rod (3) is provided with down spring base (10), the fixed valve rod spring ring (11) that is provided with down in top of spring base (10) down, valve rod spring ring (11) is at the surface activity of valve rod (3) down, valve rod spring ring (11) are used for supplementary compression down.

3. The valve stem add-on oil seal of claim 1, wherein: the valve rod oil seal is characterized in that the top end of the valve rod oil seal (4) is fixedly provided with an upper spring base (13), the bottom of the upper spring base (13) is fixedly provided with an upper valve rod spring ring (12), the upper valve rod spring ring (12) is movable on the surface of a valve rod (3), and the upper valve rod spring ring (12) is used for assisting in compression.

4. The valve stem add-on oil seal of claim 3, wherein: and a valve locking clamp (14) is fixedly arranged at the top of the upper spring base (13).

5. The valve stem add-on oil seal of claim 2, wherein: the diameter of the lower valve rod spring ring (11) is smaller than that of the upper valve rod spring ring (12), and the lower valve rod spring ring (11) moves in the upper valve rod spring ring (12).

6. The valve stem add-on oil seal of claim 2, wherein: the surface of the lower valve rod spring ring (11) is provided with a driving unit.